ia64/xen-unstable
changeset 7272:f1abe953e401
Remove linux-2.4 sparse tree.
Signed-off-by: Keir Fraser <keir@xensource.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
| author | kaf24@firebug.cl.cam.ac.uk |
|---|---|
| date | Fri Oct 07 23:36:26 2005 +0100 (2005-10-07) |
| parents | bf07490fab19 |
| children | 32c3658d7391 |
| files | Makefile README docs/misc/xen_config.html docs/src/user/installation.tex docs/src/user/introduction.tex |
line diff
1.1 --- a/Makefile Fri Oct 07 23:22:35 2005 +0100 1.2 +++ b/Makefile Fri Oct 07 23:36:26 2005 +0100 1.3 @@ -3,8 +3,7 @@ 1.4 # 1.5 1.6 KERNELS ?= linux-2.6-xen0 linux-2.6-xenU 1.7 -# linux-2.4-xen0 linux-2.4-xenU netbsd-2.0-xenU 1.8 -# You may use wildcards in the above e.g. KERNELS=*2.4* 1.9 +# You may use wildcards in the above e.g. KERNELS=*2.6* 1.10 1.11 XKERNELS := $(foreach kernel, $(KERNELS), $(patsubst buildconfigs/mk.%,%,$(wildcard buildconfigs/mk.$(kernel))) ) 1.12 1.13 @@ -188,12 +187,5 @@ uninstall: 1.14 rm -rf $(D)/usr/share/man/man8/xen* 1.15 1.16 # Legacy targets for compatibility 1.17 -linux24: 1.18 - $(MAKE) 'KERNELS=linux-2.4*' kernels 1.19 - 1.20 linux26: 1.21 $(MAKE) 'KERNELS=linux-2.6*' kernels 1.22 - 1.23 -netbsd20: 1.24 - $(MAKE) netbsd-2.0-xenU-build 1.25 -
2.1 --- a/README Fri Oct 07 23:22:35 2005 +0100 2.2 +++ b/README Fri Oct 07 23:36:26 2005 +0100 2.3 @@ -22,7 +22,7 @@ Xen is freely-distributable Open Source 2.4 GNU GPL. 2.5 2.6 The 2.0 release offers excellent performance, hardware support and 2.7 -enterprise-grade features such as live migration. Linux 2.6, 2.4 and 2.8 +enterprise-grade features such as live migration. Linux 2.6 and 2.9 NetBSD 2.0 are already available for Xen, with more operating system 2.10 ports on the way. 2.11 2.12 @@ -97,8 +97,8 @@ 1. Download and untar the source tarball 2.13 version for unstable. 2.14 2.15 2. cd to xen-unstable (or whatever you sensibly rename it to). 2.16 - The Linux (2.4 and 2.6), netbsd and freebsd kernel source 2.17 - trees are in the $os-$version-xen-sparse directories. 2.18 + The Linux, netbsd and freebsd kernel source trees are in 2.19 + the $os-$version-xen-sparse directories. 2.20 2.21 On Linux: 2.22
3.1 --- a/buildconfigs/mk.linux-2.4-xenU Fri Oct 07 23:22:35 2005 +0100 3.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 3.3 @@ -1,51 +0,0 @@ 3.4 - 3.5 -OS = linux 3.6 - 3.7 -LINUX_SERIES = 2.4 3.8 -LINUX_VER = 2.4.30 3.9 - 3.10 -EXTRAVERSION = xenU 3.11 - 3.12 -LINUX_DIR = $(OS)-$(LINUX_VER)-$(EXTRAVERSION) 3.13 - 3.14 -include buildconfigs/Rules.mk 3.15 - 3.16 -.PHONY: build clean delete 3.17 - 3.18 -# The real action starts here! 3.19 -build: $(LINUX_DIR)/include/linux/autoconf.h 3.20 - if grep "^CONFIG_MODULES=" $(LINUX_DIR)/.config ; then \ 3.21 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) modules ; \ 3.22 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) INSTALL_MOD_PATH=$(DESTDIR) modules_install ; \ 3.23 - fi 3.24 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) INSTALL_PATH=$(DESTDIR) install 3.25 - 3.26 -$(LINUX_DIR)/include/linux/autoconf.h: ref-$(OS)-$(LINUX_VER)/.valid-ref 3.27 - rm -rf $(LINUX_DIR) 3.28 - cp -al $(<D) $(LINUX_DIR) 3.29 - # Apply arch-xen patches 3.30 - ( cd linux-$(LINUX_SERIES)-xen-sparse ; \ 3.31 - LINUX_ARCH=$(LINUX_ARCH) ./mkbuildtree ../$(LINUX_DIR) ) 3.32 - # Re-use config from install dir if one exits else use default config 3.33 - CONFIG_VERSION=$$(sed -ne 's/^EXTRAVERSION = //p' $(LINUX_DIR)/Makefile); \ 3.34 - [ -r $(DESTDIR)/boot/config-$(LINUX_VER)$$CONFIG_VERSION-$(EXTRAVERSION) ] && \ 3.35 - cp $(DESTDIR)/boot/config-$(LINUX_VER)$$CONFIG_VERSION-$(EXTRAVERSION) $(LINUX_DIR)/.config \ 3.36 - || cp $(LINUX_DIR)/arch/xen/defconfig-$(EXTRAVERSION) \ 3.37 - $(LINUX_DIR)/.config 3.38 - # Patch kernel Makefile to set EXTRAVERSION 3.39 - ( cd $(LINUX_DIR) ; \ 3.40 - sed -e 's/^EXTRAVERSION.*/&$$(XENGUEST)\nXENGUEST = -$(EXTRAVERSION)/' Makefile >Mk.tmp ; \ 3.41 - rm -f Makefile ; mv Mk.tmp Makefile ) 3.42 - make -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) oldconfig 3.43 - make -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) dep 3.44 - 3.45 -config: CONFIGMODE = menuconfig 3.46 -config: $(LINUX_DIR)/include/linux/autoconf.h 3.47 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) $(CONFIGMODE) 3.48 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) dep 3.49 - 3.50 -clean:: 3.51 - $(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_ARCH) clean 3.52 - 3.53 -delete: 3.54 - rm -rf tmp-$(OS)-$(LINUX_VER) $(LINUX_DIR)
4.1 --- a/docs/misc/xen_config.html Fri Oct 07 23:22:35 2005 +0100 4.2 +++ b/docs/misc/xen_config.html Fri Oct 07 23:36:26 2005 +0100 4.3 @@ -154,7 +154,7 @@ one vif with default MAC. 4.4 (memory 64) 4.5 (image 4.6 (linux 4.7 - (kernel /boot/vmlinuz-2.4.26-xen) 4.8 + (kernel /boot/vmlinuz-2.6.12-xen) 4.9 (ip ::::xendom1:eth0:dhcp) 4.10 (root /dev/xda1) 4.11 (args 'rw fastboot 4')
5.1 --- a/docs/src/user/installation.tex Fri Oct 07 23:22:35 2005 +0100 5.2 +++ b/docs/src/user/installation.tex Fri Oct 07 23:36:26 2005 +0100 5.3 @@ -1,7 +1,7 @@ 5.4 \chapter{Installation} 5.5 5.6 The Xen distribution includes three main components: Xen itself, ports 5.7 -of Linux 2.4 and 2.6 and NetBSD to run on Xen, and the userspace 5.8 +of Linux and NetBSD to run on Xen, and the userspace 5.9 tools required to manage a Xen-based system. This chapter describes 5.10 how to install the Xen~2.0 distribution from source. Alternatively, 5.11 there may be pre-built packages available as part of your operating 5.12 @@ -169,7 +169,7 @@ KERNELS ?= mk.linux-2.6-xen0 mk.linux-2. 5.13 5.14 You can edit this line to include any set of operating system kernels 5.15 which have configurations in the top-level \path{buildconfigs/} 5.16 -directory, for example \path{mk.linux-2.4-xenU} to build a Linux 2.4 5.17 +directory, for example \path{mk.linux-2.6-xenU} to build a Linux 2.6 5.18 kernel containing only virtual device drivers. 5.19 5.20 %% Inspect the Makefile if you want to see what goes on during a 5.21 @@ -190,10 +190,6 @@ kernel containing only virtual device dr 5.22 %% mkbuildtree} script to add the Xen patches to the kernel. 5.23 5.24 5.25 -%% The procedure is similar to build the Linux 2.4 port: \\ 5.26 -%% \verb!# LINUX_SRC=/path/to/linux2.4/source make linux24! 5.27 - 5.28 - 5.29 %% \framebox{\parbox{5in}{ 5.30 %% {\bf Distro specific:} \\ 5.31 %% {\it Gentoo} --- if not using udev (most installations,
6.1 --- a/docs/src/user/introduction.tex Fri Oct 07 23:22:35 2005 +0100 6.2 +++ b/docs/src/user/introduction.tex Fri Oct 07 23:36:26 2005 +0100 6.3 @@ -28,7 +28,7 @@ system kernels must explicitly support X 6.4 space applications and libraries \emph{do not} require modification. 6.5 6.6 Xen support is available for increasingly many operating systems: 6.7 -right now, Linux 2.4, Linux 2.6 and NetBSD are available for Xen 2.0. 6.8 +right now, Linux and NetBSD are available for Xen 2.0. 6.9 A FreeBSD port is undergoing testing and will be incorporated into the 6.10 release soon. Other OS ports, including Plan 9, are in progress. We 6.11 hope that that arch-xen patches will be incorporated into the
7.1 --- a/linux-2.4-xen-sparse/Makefile Fri Oct 07 23:22:35 2005 +0100 7.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 7.3 @@ -1,592 +0,0 @@ 7.4 -VERSION = 2 7.5 -PATCHLEVEL = 4 7.6 -SUBLEVEL = 30 7.7 -EXTRAVERSION = 7.8 - 7.9 -KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) 7.10 - 7.11 -# SUBARCH always tells us the underlying machine architecture. 7.12 -# Unless overridden, by default ARCH is equivalent to SUBARCH. 7.13 -# This will be overriden for Xen and UML builds. 7.14 -SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/) 7.15 -ARCH ?= $(SUBARCH) 7.16 - 7.17 -## XXX The following hack can be discarded after users have adjusted to the 7.18 -## architectural name change 'xeno' -> 'xen'. 7.19 -ifeq ($(ARCH),xeno) 7.20 - ARCH := xen 7.21 -endif 7.22 - 7.23 -KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g") 7.24 - 7.25 -CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ 7.26 - else if [ -x /bin/bash ]; then echo /bin/bash; \ 7.27 - else echo sh; fi ; fi) 7.28 -TOPDIR := $(shell /bin/pwd) 7.29 - 7.30 -HPATH = $(TOPDIR)/include 7.31 -FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net $(HPATH)/math-emu 7.32 - 7.33 -HOSTCC = gcc 7.34 -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer 7.35 - 7.36 -CROSS_COMPILE = 7.37 - 7.38 -# 7.39 -# Include the make variables (CC, etc...) 7.40 -# 7.41 - 7.42 -AS = $(CROSS_COMPILE)as 7.43 -LD = $(CROSS_COMPILE)ld 7.44 -CC = $(CROSS_COMPILE)gcc 7.45 -CPP = $(CC) -E 7.46 -AR = $(CROSS_COMPILE)ar 7.47 -NM = $(CROSS_COMPILE)nm 7.48 -STRIP = $(CROSS_COMPILE)strip 7.49 -OBJCOPY = $(CROSS_COMPILE)objcopy 7.50 -OBJDUMP = $(CROSS_COMPILE)objdump 7.51 -MAKEFILES = $(TOPDIR)/.config 7.52 -GENKSYMS = /sbin/genksyms 7.53 -DEPMOD = /sbin/depmod 7.54 -MODFLAGS = -DMODULE 7.55 -CFLAGS_KERNEL = 7.56 -PERL = perl 7.57 -AWK = awk 7.58 -RPM := $(shell if [ -x "/usr/bin/rpmbuild" ]; then echo rpmbuild; \ 7.59 - else echo rpm; fi) 7.60 - 7.61 -export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \ 7.62 - CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \ 7.63 - CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS MODFLAGS PERL AWK 7.64 - 7.65 -all: do-it-all 7.66 - 7.67 -# 7.68 -# Make "config" the default target if there is no configuration file or 7.69 -# "depend" the target if there is no top-level dependency information. 7.70 -# 7.71 - 7.72 -ifeq (.config,$(wildcard .config)) 7.73 -include .config 7.74 -ifeq (.depend,$(wildcard .depend)) 7.75 -include .depend 7.76 -do-it-all: Version vmlinux 7.77 -else 7.78 -CONFIGURATION = depend 7.79 -do-it-all: depend 7.80 -endif 7.81 -else 7.82 -CONFIGURATION = config 7.83 -do-it-all: config 7.84 -endif 7.85 - 7.86 -# 7.87 -# INSTALL_PATH specifies where to place the updated kernel and system map 7.88 -# images. Uncomment if you want to place them anywhere other than root. 7.89 -# 7.90 - 7.91 -#export INSTALL_PATH=/boot 7.92 - 7.93 -# 7.94 -# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory 7.95 -# relocations required by build roots. This is not defined in the 7.96 -# makefile but the arguement can be passed to make if needed. 7.97 -# 7.98 - 7.99 -MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) 7.100 -export MODLIB 7.101 - 7.102 -# 7.103 -# standard CFLAGS 7.104 -# 7.105 - 7.106 -CPPFLAGS := -D__KERNEL__ -I$(HPATH) 7.107 - 7.108 -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ 7.109 - -fno-strict-aliasing -fno-common 7.110 -ifndef CONFIG_FRAME_POINTER 7.111 -CFLAGS += -fomit-frame-pointer 7.112 -endif 7.113 -AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) 7.114 - 7.115 -# 7.116 -# ROOT_DEV specifies the default root-device when making the image. 7.117 -# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case 7.118 -# the default of FLOPPY is used by 'build'. 7.119 -# This is i386 specific. 7.120 -# 7.121 - 7.122 -export ROOT_DEV = CURRENT 7.123 - 7.124 -# 7.125 -# If you want to preset the SVGA mode, uncomment the next line and 7.126 -# set SVGA_MODE to whatever number you want. 7.127 -# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. 7.128 -# The number is the same as you would ordinarily press at bootup. 7.129 -# This is i386 specific. 7.130 -# 7.131 - 7.132 -export SVGA_MODE = -DSVGA_MODE=NORMAL_VGA 7.133 - 7.134 -# 7.135 -# If you want the RAM disk device, define this to be the size in blocks. 7.136 -# This is i386 specific. 7.137 -# 7.138 - 7.139 -#export RAMDISK = -DRAMDISK=512 7.140 - 7.141 -CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o 7.142 -NETWORKS =net/network.o 7.143 - 7.144 -LIBS =$(TOPDIR)/lib/lib.a 7.145 -SUBDIRS =kernel drivers mm fs net ipc lib crypto 7.146 - 7.147 -DRIVERS-n := 7.148 -DRIVERS-y := 7.149 -DRIVERS-m := 7.150 -DRIVERS- := 7.151 - 7.152 -DRIVERS-$(CONFIG_ACPI_BOOT) += drivers/acpi/acpi.o 7.153 -DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o 7.154 -DRIVERS-y += drivers/char/char.o \ 7.155 - drivers/block/block.o \ 7.156 - drivers/misc/misc.o \ 7.157 - drivers/net/net.o 7.158 -DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o 7.159 -DRIVERS-$(CONFIG_DRM_NEW) += drivers/char/drm/drm.o 7.160 -DRIVERS-$(CONFIG_DRM_OLD) += drivers/char/drm-4.0/drm.o 7.161 -DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a 7.162 -DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.o 7.163 -DRIVERS-$(CONFIG_DEV_APPLETALK) += drivers/net/appletalk/appletalk.o 7.164 -DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.o 7.165 -DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.o 7.166 -DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnetdrv.o 7.167 -DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o 7.168 -DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o 7.169 -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a 7.170 -DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o 7.171 -DRIVERS-$(CONFIG_FUSION_BOOT) += drivers/message/fusion/fusion.o 7.172 -DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o 7.173 - 7.174 -ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),) 7.175 -DRIVERS-y += drivers/cdrom/driver.o 7.176 -endif 7.177 - 7.178 -DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o 7.179 -DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o 7.180 -DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o 7.181 -DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o 7.182 -DRIVERS-$(CONFIG_NET_PCMCIA) += drivers/net/pcmcia/pcmcia_net.o 7.183 -DRIVERS-$(CONFIG_NET_WIRELESS) += drivers/net/wireless/wireless_net.o 7.184 -DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o 7.185 -DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a 7.186 -DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o 7.187 -DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o 7.188 -DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a 7.189 -DRIVERS-$(CONFIG_PPC32) += drivers/macintosh/macintosh.o 7.190 -DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o 7.191 -DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o 7.192 -DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o 7.193 -DRIVERS-$(CONFIG_VT) += drivers/video/video.o 7.194 -DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a 7.195 -DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o 7.196 -DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a 7.197 -DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o 7.198 -DRIVERS-$(CONFIG_USB_GADGET) += drivers/usb/gadget/built-in.o 7.199 -DRIVERS-y +=drivers/media/media.o 7.200 -DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o 7.201 -DRIVERS-$(CONFIG_HIL) += drivers/hil/hil.o 7.202 -DRIVERS-$(CONFIG_I2O) += drivers/message/i2o/i2o.o 7.203 -DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda.o 7.204 -DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o 7.205 -DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o 7.206 -DRIVERS-$(CONFIG_GSC) += drivers/gsc/gscbus.o 7.207 -DRIVERS-$(CONFIG_BLUEZ) += drivers/bluetooth/bluetooth.o 7.208 -DRIVERS-$(CONFIG_HOTPLUG_PCI) += drivers/hotplug/vmlinux-obj.o 7.209 -DRIVERS-$(CONFIG_ISDN_BOOL) += drivers/isdn/vmlinux-obj.o 7.210 -DRIVERS-$(CONFIG_CRYPTO) += crypto/crypto.o 7.211 - 7.212 -DRIVERS := $(DRIVERS-y) 7.213 - 7.214 - 7.215 -# files removed with 'make clean' 7.216 -CLEAN_FILES = \ 7.217 - kernel/ksyms.lst include/linux/compile.h \ 7.218 - vmlinux System.map \ 7.219 - .tmp* \ 7.220 - drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \ 7.221 - drivers/char/conmakehash \ 7.222 - drivers/char/drm/*-mod.c \ 7.223 - drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \ 7.224 - drivers/zorro/devlist.h drivers/zorro/gen-devlist \ 7.225 - drivers/sound/bin2hex drivers/sound/hex2hex \ 7.226 - drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \ 7.227 - drivers/scsi/aic7xxx/aicasm/aicasm \ 7.228 - drivers/scsi/aic7xxx/aicasm/aicasm_gram.c \ 7.229 - drivers/scsi/aic7xxx/aicasm/aicasm_gram.h \ 7.230 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.c \ 7.231 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.h \ 7.232 - drivers/scsi/aic7xxx/aicasm/aicasm_macro_scan.c \ 7.233 - drivers/scsi/aic7xxx/aicasm/aicasm_scan.c \ 7.234 - drivers/scsi/aic7xxx/aicasm/aicdb.h \ 7.235 - drivers/scsi/aic7xxx/aicasm/y.tab.h \ 7.236 - drivers/scsi/53c700_d.h \ 7.237 - drivers/tc/lk201-map.c \ 7.238 - net/khttpd/make_times_h \ 7.239 - net/khttpd/times.h \ 7.240 - submenu* \ 7.241 - drivers/ieee1394/oui.c 7.242 -# directories removed with 'make clean' 7.243 -CLEAN_DIRS = \ 7.244 - modules 7.245 - 7.246 -# files removed with 'make mrproper' 7.247 -MRPROPER_FILES = \ 7.248 - include/linux/autoconf.h include/linux/version.h \ 7.249 - lib/crc32table.h lib/gen_crc32table \ 7.250 - drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \ 7.251 - drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \ 7.252 - drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \ 7.253 - drivers/net/hamradio/soundmodem/gentbl \ 7.254 - drivers/sound/*_boot.h drivers/sound/.*.boot \ 7.255 - drivers/sound/msndinit.c \ 7.256 - drivers/sound/msndperm.c \ 7.257 - drivers/sound/pndsperm.c \ 7.258 - drivers/sound/pndspini.c \ 7.259 - drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \ 7.260 - .version .config* config.in config.old \ 7.261 - scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \ 7.262 - scripts/lxdialog/*.o scripts/lxdialog/lxdialog \ 7.263 - .menuconfig.log \ 7.264 - include/asm \ 7.265 - .hdepend scripts/mkdep scripts/split-include scripts/docproc \ 7.266 - $(TOPDIR)/include/linux/modversions.h \ 7.267 - kernel.spec 7.268 - 7.269 -# directories removed with 'make mrproper' 7.270 -MRPROPER_DIRS = \ 7.271 - include/config \ 7.272 - $(TOPDIR)/include/linux/modules 7.273 - 7.274 - 7.275 -include arch/$(ARCH)/Makefile 7.276 - 7.277 -# Extra cflags for kbuild 2.4. The default is to forbid includes by kernel code 7.278 -# from user space headers. Some UML code requires user space headers, in the 7.279 -# UML Makefiles add 'kbuild_2_4_nostdinc :=' before include Rules.make. No 7.280 -# other kernel code should include user space headers, if you need 7.281 -# 'kbuild_2_4_nostdinc :=' or -I/usr/include for kernel code and you are not UML 7.282 -# then your code is broken! KAO. 7.283 - 7.284 -kbuild_2_4_nostdinc := -nostdinc -iwithprefix include 7.285 -export kbuild_2_4_nostdinc 7.286 - 7.287 -export CPPFLAGS CFLAGS CFLAGS_KERNEL AFLAGS AFLAGS_KERNEL 7.288 - 7.289 -export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS 7.290 - 7.291 -.S.s: 7.292 - $(CPP) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -o $*.s $< 7.293 -.S.o: 7.294 - $(CC) $(AFLAGS) $(AFLAGS_KERNEL) -traditional -c -o $*.o $< 7.295 - 7.296 -Version: dummy 7.297 - @rm -f include/linux/compile.h 7.298 - 7.299 -boot: vmlinux 7.300 - @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C arch/$(ARCH)/boot 7.301 - 7.302 -vmlinux: include/linux/version.h $(CONFIGURATION) init/main.o init/version.o init/do_mounts.o linuxsubdirs 7.303 - $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o init/do_mounts.o \ 7.304 - --start-group \ 7.305 - $(CORE_FILES) \ 7.306 - $(DRIVERS) \ 7.307 - $(NETWORKS) \ 7.308 - $(LIBS) \ 7.309 - --end-group \ 7.310 - -o vmlinux 7.311 - $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map 7.312 - 7.313 -symlinks: 7.314 - rm -f include/asm 7.315 - ( cd include ; ln -sf asm-$(ARCH) asm) 7.316 - @if [ ! -d include/linux/modules ]; then \ 7.317 - mkdir include/linux/modules; \ 7.318 - fi 7.319 - 7.320 -oldconfig: symlinks 7.321 - $(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in 7.322 - 7.323 -xconfig: symlinks 7.324 - $(MAKE) -C scripts kconfig.tk 7.325 - wish -f scripts/kconfig.tk 7.326 - 7.327 -menuconfig: include/linux/version.h symlinks 7.328 - $(MAKE) -C scripts/lxdialog all 7.329 - $(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in 7.330 - 7.331 -config: symlinks 7.332 - $(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in 7.333 - 7.334 -include/config/MARKER: scripts/split-include include/linux/autoconf.h 7.335 - scripts/split-include include/linux/autoconf.h include/config 7.336 - @ touch include/config/MARKER 7.337 - 7.338 -linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) 7.339 - 7.340 -$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER 7.341 - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@) 7.342 - 7.343 -$(TOPDIR)/include/linux/version.h: include/linux/version.h 7.344 -$(TOPDIR)/include/linux/compile.h: include/linux/compile.h 7.345 - 7.346 -newversion: 7.347 - . scripts/mkversion > .tmpversion 7.348 - @mv -f .tmpversion .version 7.349 - 7.350 -uts_len := 64 7.351 -uts_truncate := sed -e 's/\(.\{1,$(uts_len)\}\).*/\1/' 7.352 - 7.353 -include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion 7.354 - @echo -n \#`cat .version` > .ver1 7.355 - @if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver1; fi 7.356 - @if [ -f .name ]; then echo -n \-`cat .name` >> .ver1; fi 7.357 - @LANG=C echo ' '`date` >> .ver1 7.358 - @echo \#define UTS_VERSION \"`cat .ver1 | $(uts_truncate)`\" > .ver 7.359 - @LANG=C echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver 7.360 - @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver 7.361 - @echo \#define LINUX_COMPILE_HOST \"`hostname | $(uts_truncate)`\" >> .ver 7.362 - @([ -x /bin/dnsdomainname ] && /bin/dnsdomainname > .ver1) || \ 7.363 - ([ -x /bin/domainname ] && /bin/domainname > .ver1) || \ 7.364 - echo > .ver1 7.365 - @echo \#define LINUX_COMPILE_DOMAIN \"`cat .ver1 | $(uts_truncate)`\" >> .ver 7.366 - @echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -n 1`\" >> .ver 7.367 - @mv -f .ver $@ 7.368 - @rm -f .ver1 7.369 - 7.370 -include/linux/version.h: ./Makefile 7.371 - @expr length "$(KERNELRELEASE)" \<= $(uts_len) > /dev/null || \ 7.372 - (echo KERNELRELEASE \"$(KERNELRELEASE)\" exceeds $(uts_len) characters >&2; false) 7.373 - @echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver 7.374 - @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver 7.375 - @echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver 7.376 - @mv -f .ver $@ 7.377 - 7.378 -comma := , 7.379 - 7.380 -init/version.o: init/version.c include/linux/compile.h include/config/MARKER 7.381 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) -DUTS_MACHINE='"$(SUBARCH)"' -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o init/version.o init/version.c 7.382 - 7.383 -init/main.o: init/main.c include/config/MARKER 7.384 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< 7.385 - 7.386 -init/do_mounts.o: init/do_mounts.c include/config/MARKER 7.387 - $(CC) $(CFLAGS) $(CFLAGS_KERNEL) $(PROFILING) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c -o $@ $< 7.388 - 7.389 -fs lib mm ipc kernel drivers net: dummy 7.390 - $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" $(subst $@, _dir_$@, $@) 7.391 - 7.392 -TAGS: dummy 7.393 - { find include/asm-${ARCH} -name '*.h' -print ; \ 7.394 - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print ; \ 7.395 - find $(SUBDIRS) init arch/${ARCH} -name '*.[chS]' ; } | grep -v SCCS | grep -v '\.svn' | etags - 7.396 - 7.397 -# Exuberant ctags works better with -I 7.398 -tags: dummy 7.399 - CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \ 7.400 - ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \ 7.401 - find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \ 7.402 - find $(SUBDIRS) init -name '*.[ch]' | xargs ctags $$CTAGSF -a 7.403 - 7.404 -ifdef CONFIG_MODULES 7.405 -ifdef CONFIG_MODVERSIONS 7.406 -MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h 7.407 -endif 7.408 - 7.409 -.PHONY: modules 7.410 -modules: $(patsubst %, _mod_%, $(SUBDIRS)) 7.411 - 7.412 -.PHONY: $(patsubst %, _mod_%, $(SUBDIRS)) 7.413 -$(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER 7.414 - $(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules 7.415 - 7.416 -.PHONY: modules_install 7.417 -modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post 7.418 - 7.419 -.PHONY: _modinst_ 7.420 -_modinst_: 7.421 - @rm -rf $(MODLIB)/kernel 7.422 - @rm -f $(MODLIB)/build 7.423 - @mkdir -p $(MODLIB)/kernel 7.424 - @ln -s $(TOPDIR) $(MODLIB)/build 7.425 - 7.426 -# If System.map exists, run depmod. This deliberately does not have a 7.427 -# dependency on System.map since that would run the dependency tree on 7.428 -# vmlinux. This depmod is only for convenience to give the initial 7.429 -# boot a modules.dep even before / is mounted read-write. However the 7.430 -# boot script depmod is the master version. 7.431 -ifeq "$(strip $(INSTALL_MOD_PATH))" "" 7.432 -depmod_opts := 7.433 -else 7.434 -depmod_opts := -b $(INSTALL_MOD_PATH) -r 7.435 -endif 7.436 -.PHONY: _modinst_post 7.437 -_modinst_post: _modinst_post_pcmcia 7.438 - if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi 7.439 - 7.440 -# Backwards compatibilty symlinks for people still using old versions 7.441 -# of pcmcia-cs with hard coded pathnames on insmod. Remove 7.442 -# _modinst_post_pcmcia for kernel 2.4.1. 7.443 -.PHONY: _modinst_post_pcmcia 7.444 -_modinst_post_pcmcia: 7.445 - cd $(MODLIB); \ 7.446 - mkdir -p pcmcia; \ 7.447 - find kernel -path '*/pcmcia/*' -name '*.o' | xargs -i -r ln -sf ../{} pcmcia 7.448 - 7.449 -.PHONY: $(patsubst %, _modinst_%, $(SUBDIRS)) 7.450 -$(patsubst %, _modinst_%, $(SUBDIRS)) : 7.451 - $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install 7.452 - 7.453 -# modules disabled.... 7.454 - 7.455 -else 7.456 -modules modules_install: dummy 7.457 - @echo 7.458 - @echo "The present kernel configuration has modules disabled." 7.459 - @echo "Type 'make config' and enable loadable module support." 7.460 - @echo "Then build a kernel with module support enabled." 7.461 - @echo 7.462 - @exit 1 7.463 -endif 7.464 - 7.465 -clean: archclean 7.466 - find . \( -name '*.[oas]' -o -name core -o -name '.*.flags' \) -type f -print \ 7.467 - | grep -v lxdialog/ | xargs rm -f 7.468 - rm -f $(CLEAN_FILES) 7.469 - rm -rf $(CLEAN_DIRS) 7.470 - $(MAKE) -C Documentation/DocBook clean 7.471 - 7.472 -mrproper: clean archmrproper 7.473 - find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f 7.474 - rm -f $(MRPROPER_FILES) 7.475 - rm -rf $(MRPROPER_DIRS) 7.476 - $(MAKE) -C Documentation/DocBook mrproper 7.477 - 7.478 -distclean: mrproper 7.479 - rm -f core `find . \( -not -type d \) -and \ 7.480 - \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ 7.481 - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ 7.482 - -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -type f -print` TAGS tags 7.483 - 7.484 -backup: mrproper 7.485 - cd .. && tar cf - linux/ | gzip -9 > backup.gz 7.486 - sync 7.487 - 7.488 -sgmldocs: 7.489 - chmod 755 $(TOPDIR)/scripts/docgen 7.490 - chmod 755 $(TOPDIR)/scripts/gen-all-syms 7.491 - chmod 755 $(TOPDIR)/scripts/kernel-doc 7.492 - $(MAKE) -C $(TOPDIR)/Documentation/DocBook books 7.493 - 7.494 -psdocs: sgmldocs 7.495 - $(MAKE) -C Documentation/DocBook ps 7.496 - 7.497 -pdfdocs: sgmldocs 7.498 - $(MAKE) -C Documentation/DocBook pdf 7.499 - 7.500 -htmldocs: sgmldocs 7.501 - $(MAKE) -C Documentation/DocBook html 7.502 - 7.503 -mandocs: 7.504 - chmod 755 $(TOPDIR)/scripts/kernel-doc 7.505 - chmod 755 $(TOPDIR)/scripts/split-man 7.506 - $(MAKE) -C Documentation/DocBook man 7.507 - 7.508 -sums: 7.509 - find . -type f -print | sort | xargs sum > .SUMS 7.510 - 7.511 -dep-files: scripts/mkdep archdep include/linux/version.h 7.512 - rm -f .depend .hdepend 7.513 - $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" 7.514 -ifdef CONFIG_MODVERSIONS 7.515 - $(MAKE) update-modverfile 7.516 -endif 7.517 - scripts/mkdep -- `find $(FINDHPATH) \( -name SCCS -o -name .svn \) -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend 7.518 - scripts/mkdep -- init/*.c > .depend 7.519 - 7.520 -ifdef CONFIG_MODVERSIONS 7.521 -MODVERFILE := $(TOPDIR)/include/linux/modversions.h 7.522 -else 7.523 -MODVERFILE := 7.524 -endif 7.525 -export MODVERFILE 7.526 - 7.527 -depend dep: dep-files 7.528 - 7.529 -checkconfig: 7.530 - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkconfig.pl 7.531 - 7.532 -checkhelp: 7.533 - find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl 7.534 - 7.535 -checkincludes: 7.536 - find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl 7.537 - 7.538 -ifdef CONFIGURATION 7.539 -..$(CONFIGURATION): 7.540 - @echo 7.541 - @echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'" 7.542 - @echo 7.543 - $(MAKE) $(CONFIGURATION) 7.544 - @echo 7.545 - @echo "Successful. Try re-making (ignore the error that follows)" 7.546 - @echo 7.547 - exit 1 7.548 - 7.549 -#dummy: ..$(CONFIGURATION) 7.550 -dummy: 7.551 - 7.552 -else 7.553 - 7.554 -dummy: 7.555 - 7.556 -endif 7.557 - 7.558 -include Rules.make 7.559 - 7.560 -# 7.561 -# This generates dependencies for the .h files. 7.562 -# 7.563 - 7.564 -scripts/mkdep: scripts/mkdep.c 7.565 - $(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c 7.566 - 7.567 -scripts/split-include: scripts/split-include.c 7.568 - $(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c 7.569 - 7.570 -# 7.571 -# RPM target 7.572 -# 7.573 -# If you do a make spec before packing the tarball you can rpm -ta it 7.574 -# 7.575 -spec: 7.576 - . scripts/mkspec >kernel.spec 7.577 - 7.578 -# 7.579 -# Build a tar ball, generate an rpm from it and pack the result 7.580 -# There arw two bits of magic here 7.581 -# 1) The use of /. to avoid tar packing just the symlink 7.582 -# 2) Removing the .dep files as they have source paths in them that 7.583 -# will become invalid 7.584 -# 7.585 -rpm: clean spec 7.586 - find . \( -size 0 -o -name .depend -o -name .hdepend \) -type f -print | xargs rm -f 7.587 - set -e; \ 7.588 - cd $(TOPDIR)/.. ; \ 7.589 - ln -sf $(TOPDIR) $(KERNELPATH) ; \ 7.590 - tar -cvz --exclude CVS -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \ 7.591 - rm $(KERNELPATH) ; \ 7.592 - cd $(TOPDIR) ; \ 7.593 - . scripts/mkversion > .version ; \ 7.594 - $(RPM) -ta $(TOPDIR)/../$(KERNELPATH).tar.gz ; \ 7.595 - rm $(TOPDIR)/../$(KERNELPATH).tar.gz
8.1 --- a/linux-2.4-xen-sparse/arch/xen/Makefile Fri Oct 07 23:22:35 2005 +0100 8.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 8.3 @@ -1,137 +0,0 @@ 8.4 -# 8.5 -# xen/Makefile 8.6 -# 8.7 -# This file is included by the global makefile so that you can add your own 8.8 -# architecture-specific flags and dependencies. Remember to do have actions 8.9 -# for "archclean" and "archdep" for cleaning up and making dependencies for 8.10 -# this architecture 8.11 -# 8.12 -# This file is subject to the terms and conditions of the GNU General Public 8.13 -# License. See the file "COPYING" in the main directory of this archive 8.14 -# for more details. 8.15 -# 8.16 -# Copyright (C) 1994 by Linus Torvalds 8.17 -# 8.18 -# 19990713 Artur Skawina <skawina@geocities.com> 8.19 -# Added '-march' and '-mpreferred-stack-boundary' support 8.20 -# 8.21 - 8.22 -# If no .config file exists then use the appropriate defconfig-* file 8.23 -ifneq (.config,$(wildcard .config)) 8.24 -DUMMYX:=$(shell cp $(TOPDIR)/arch/xen/defconfig$(EXTRAVERSION) $(TOPDIR)/.config) 8.25 --include $(TOPDIR)/.config 8.26 -endif 8.27 - 8.28 -LD=$(CROSS_COMPILE)ld -m elf_i386 8.29 -OBJCOPY=$(CROSS_COMPILE)objcopy -R .note -R .comment -S 8.30 -LDFLAGS=-e stext 8.31 -LINKFLAGS =-T $(TOPDIR)/arch/xen/vmlinux.lds $(LDFLAGS) 8.32 - 8.33 -CFLAGS += -pipe 8.34 - 8.35 -check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi) 8.36 - 8.37 -# prevent gcc from keeping the stack 16 byte aligned 8.38 -CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,) 8.39 - 8.40 -ifdef CONFIG_M686 8.41 -CFLAGS += -march=i686 8.42 -endif 8.43 - 8.44 -ifdef CONFIG_MPENTIUMIII 8.45 -CFLAGS += -march=i686 8.46 -endif 8.47 - 8.48 -ifdef CONFIG_MPENTIUM4 8.49 -CFLAGS += -march=i686 8.50 -endif 8.51 - 8.52 -ifdef CONFIG_MK7 8.53 -CFLAGS += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4) 8.54 -endif 8.55 - 8.56 -# Disable unit-at-a-time mode, it makes gcc use a lot more stack 8.57 -# due to the lack of sharing of stacklots. 8.58 -CFLAGS += $(call check_gcc,-fno-unit-at-a-time,) 8.59 - 8.60 -HEAD := arch/xen/kernel/head.o arch/xen/kernel/init_task.o 8.61 - 8.62 -SUBDIRS += arch/xen/kernel arch/xen/mm arch/xen/lib 8.63 -SUBDIRS += arch/xen/drivers/console 8.64 -SUBDIRS += arch/xen/drivers/evtchn 8.65 -SUBDIRS += arch/xen/drivers/blkif 8.66 -SUBDIRS += arch/xen/drivers/netif 8.67 -SUBDIRS += arch/xen/drivers/balloon 8.68 -ifdef CONFIG_XEN_PRIVILEGED_GUEST 8.69 -SUBDIRS += arch/xen/drivers/dom0 8.70 -endif 8.71 - 8.72 -CORE_FILES += arch/xen/kernel/kernel.o arch/xen/mm/mm.o 8.73 -CORE_FILES += arch/xen/drivers/evtchn/drv.o 8.74 -CORE_FILES += arch/xen/drivers/console/drv.o 8.75 -DRIVERS += arch/xen/drivers/blkif/drv.o 8.76 -DRIVERS += arch/xen/drivers/netif/drv.o 8.77 -ifdef CONFIG_XEN_PRIVILEGED_GUEST 8.78 -CORE_FILES += arch/xen/drivers/dom0/drv.o 8.79 -endif 8.80 -CORE_FILES += arch/xen/drivers/balloon/drv.o 8.81 -LIBS := $(TOPDIR)/arch/xen/lib/lib.a $(LIBS) $(TOPDIR)/arch/xen/lib/lib.a 8.82 - 8.83 -arch/xen/kernel: dummy 8.84 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/kernel 8.85 - 8.86 -arch/xen/mm: dummy 8.87 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/mm 8.88 - 8.89 -arch/xen/drivers/console: dummy 8.90 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/drivers/console 8.91 - 8.92 -arch/xen/drivers/network: dummy 8.93 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/drivers/network 8.94 - 8.95 -arch/xen/drivers/block: dummy 8.96 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/drivers/block 8.97 - 8.98 -arch/xen/drivers/dom0: dummy 8.99 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/drivers/dom0 8.100 - 8.101 -arch/xen/drivers/balloon: dummy 8.102 - $(MAKE) linuxsubdirs SUBDIRS=arch/xen/drivers/balloon 8.103 - 8.104 -MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot 8.105 - 8.106 -vmlinux: arch/xen/vmlinux.lds 8.107 - 8.108 -FORCE: ; 8.109 - 8.110 -.PHONY: bzImage compressed clean archclean archmrproper archdep 8.111 - 8.112 - 8.113 -bzImage: vmlinux 8.114 - @$(MAKEBOOT) bzImage 8.115 - 8.116 -INSTALL_NAME ?= $(KERNELRELEASE) 8.117 -install: bzImage 8.118 - mkdir -p $(INSTALL_PATH)/boot 8.119 - ln -f -s vmlinuz-$(INSTALL_NAME)$(INSTALL_SUFFIX) $(INSTALL_PATH)/boot/vmlinuz-$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(XENGUEST)$(INSTALL_SUFFIX) 8.120 - rm -f $(INSTALL_PATH)/boot/vmlinuz-$(INSTALL_NAME)$(INSTALL_SUFFIX) 8.121 - install -m0644 arch/$(ARCH)/boot/bzImage $(INSTALL_PATH)/boot/vmlinuz-$(INSTALL_NAME)$(INSTALL_SUFFIX) 8.122 - install -m0644 vmlinux $(INSTALL_PATH)/boot/vmlinux-syms-$(INSTALL_NAME)$(INSTALL_SUFFIX) 8.123 - install -m0664 .config $(INSTALL_PATH)/boot/config-$(INSTALL_NAME)$(INSTALL_SUFFIX) 8.124 - install -m0664 System.map $(INSTALL_PATH)/boot/System.map-$(INSTALL_NAME)$(INSTALL_SUFFIX) 8.125 - ln -f -s vmlinuz-$(INSTALL_NAME)$(INSTALL_SUFFIX) $(INSTALL_PATH)/boot/vmlinuz-$(VERSION).$(PATCHLEVEL)$(XENGUEST)$(INSTALL_SUFFIX) 8.126 - 8.127 -%_config: arch/xen/defconfig-% 8.128 - rm -f .config arch/xen/defconfig 8.129 - cp -f arch/xen/defconfig-$(@:_config=) arch/xen/defconfig 8.130 - cp -f arch/xen/defconfig-$(@:_config=) .config 8.131 - 8.132 - 8.133 -archclean: 8.134 - @$(MAKEBOOT) clean 8.135 - 8.136 -archmrproper: 8.137 - rm -f include/asm-xen/xen-public/arch 8.138 - 8.139 -archdep: 8.140 - @$(MAKEBOOT) dep
9.1 --- a/linux-2.4-xen-sparse/arch/xen/boot/Makefile Fri Oct 07 23:22:35 2005 +0100 9.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 9.3 @@ -1,13 +0,0 @@ 9.4 -# 9.5 -# arch/xen/boot/Makefile 9.6 -# 9.7 - 9.8 -bzImage: $(TOPDIR)/vmlinux 9.9 - $(OBJCOPY) $< Image 9.10 - gzip -f -9 < Image > $@ 9.11 - rm -f Image 9.12 - 9.13 -dep: 9.14 - 9.15 -clean: 9.16 - rm -f bzImage Image
10.1 --- a/linux-2.4-xen-sparse/arch/xen/config.in Fri Oct 07 23:22:35 2005 +0100 10.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 10.3 @@ -1,327 +0,0 @@ 10.4 -# 10.5 -# For a description of the syntax of this configuration file, 10.6 -# see Documentation/kbuild/config-language.txt. 10.7 -# 10.8 -mainmenu_name "Linux Kernel Configuration" 10.9 - 10.10 -define_bool CONFIG_XEN y 10.11 - 10.12 -define_bool CONFIG_X86 y 10.13 -define_bool CONFIG_ISA y 10.14 -define_bool CONFIG_SBUS n 10.15 - 10.16 -define_bool CONFIG_UID16 y 10.17 - 10.18 -mainmenu_option next_comment 10.19 -comment 'Xen' 10.20 -bool 'Support for privileged operations (domain 0)' CONFIG_XEN_PRIVILEGED_GUEST 10.21 -bool 'Device-driver domain (physical device access)' CONFIG_XEN_PHYSDEV_ACCESS 10.22 -bool 'Scrub memory before freeing it to Xen' CONFIG_XEN_SCRUB_PAGES 10.23 -bool 'Network-device frontend driver' CONFIG_XEN_NETDEV_FRONTEND 10.24 -bool 'Block-device frontend driver' CONFIG_XEN_BLKDEV_FRONTEND 10.25 -bool 'Block-device uses grant tables' CONFIG_XEN_BLKDEV_GRANT 10.26 -endmenu 10.27 -# The IBM S/390 patch needs this. 10.28 -define_bool CONFIG_NO_IDLE_HZ y 10.29 - 10.30 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.31 - define_bool CONFIG_FOREIGN_PAGES y 10.32 -else 10.33 - define_bool CONFIG_FOREIGN_PAGES n 10.34 - define_bool CONFIG_NETDEVICES y 10.35 - define_bool CONFIG_VT n 10.36 -fi 10.37 - 10.38 -mainmenu_option next_comment 10.39 -comment 'Code maturity level options' 10.40 -bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL 10.41 -endmenu 10.42 - 10.43 -mainmenu_option next_comment 10.44 -comment 'Loadable module support' 10.45 -bool 'Enable loadable module support' CONFIG_MODULES 10.46 -if [ "$CONFIG_MODULES" = "y" ]; then 10.47 - bool ' Set version information on all module symbols' CONFIG_MODVERSIONS 10.48 - bool ' Kernel module loader' CONFIG_KMOD 10.49 -fi 10.50 -endmenu 10.51 - 10.52 -mainmenu_option next_comment 10.53 -comment 'Processor type and features' 10.54 -choice 'Processor family' \ 10.55 - "Pentium-Pro/Celeron/Pentium-II CONFIG_M686 \ 10.56 - Pentium-III/Celeron(Coppermine) CONFIG_MPENTIUMIII \ 10.57 - Pentium-4 CONFIG_MPENTIUM4 \ 10.58 - Athlon/Duron/K7 CONFIG_MK7 \ 10.59 - Opteron/Athlon64/Hammer/K8 CONFIG_MK8 \ 10.60 - VIA-C3-2 CONFIG_MVIAC3_2" Pentium-Pro 10.61 - 10.62 - define_bool CONFIG_X86_WP_WORKS_OK y 10.63 - define_bool CONFIG_X86_INVLPG y 10.64 - define_bool CONFIG_X86_CMPXCHG y 10.65 - define_bool CONFIG_X86_XADD y 10.66 - define_bool CONFIG_X86_BSWAP y 10.67 - define_bool CONFIG_X86_POPAD_OK y 10.68 - define_bool CONFIG_RWSEM_GENERIC_SPINLOCK n 10.69 - define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM y 10.70 - 10.71 - define_bool CONFIG_X86_GOOD_APIC y 10.72 - define_bool CONFIG_X86_PGE y 10.73 - define_bool CONFIG_X86_USE_PPRO_CHECKSUM y 10.74 - define_bool CONFIG_X86_TSC y 10.75 - 10.76 -if [ "$CONFIG_M686" = "y" ]; then 10.77 - define_int CONFIG_X86_L1_CACHE_SHIFT 5 10.78 -fi 10.79 -if [ "$CONFIG_MPENTIUMIII" = "y" ]; then 10.80 - define_int CONFIG_X86_L1_CACHE_SHIFT 5 10.81 -fi 10.82 -if [ "$CONFIG_MPENTIUM4" = "y" ]; then 10.83 - define_int CONFIG_X86_L1_CACHE_SHIFT 7 10.84 -fi 10.85 -if [ "$CONFIG_MK8" = "y" ]; then 10.86 - define_bool CONFIG_MK7 y 10.87 -fi 10.88 -if [ "$CONFIG_MK7" = "y" ]; then 10.89 - define_int CONFIG_X86_L1_CACHE_SHIFT 6 10.90 - define_bool CONFIG_X86_USE_3DNOW y 10.91 -fi 10.92 -if [ "$CONFIG_MVIAC3_2" = "y" ]; then 10.93 - define_int CONFIG_X86_L1_CACHE_SHIFT 5 10.94 -fi 10.95 - 10.96 -#if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then 10.97 -# tristate 'BIOS Enhanced Disk Drive calls determine boot disk (EXPERIMENTAL)' CONFIG_EDD 10.98 -#fi 10.99 - 10.100 -choice 'High Memory Support' \ 10.101 - "off CONFIG_NOHIGHMEM \ 10.102 - 4GB CONFIG_HIGHMEM4G" off 10.103 -# 64GB CONFIG_HIGHMEM64G" off 10.104 -if [ "$CONFIG_HIGHMEM4G" = "y" ]; then 10.105 - define_bool CONFIG_HIGHMEM y 10.106 -fi 10.107 -if [ "$CONFIG_HIGHMEM64G" = "y" ]; then 10.108 - define_bool CONFIG_HIGHMEM y 10.109 - define_bool CONFIG_X86_PAE y 10.110 -fi 10.111 - 10.112 -if [ "$CONFIG_HIGHMEM" = "y" ]; then 10.113 - bool 'HIGHMEM I/O support' CONFIG_HIGHIO 10.114 -fi 10.115 - 10.116 -define_int CONFIG_FORCE_MAX_ZONEORDER 11 10.117 - 10.118 -#bool 'Symmetric multi-processing support' CONFIG_SMP 10.119 -#if [ "$CONFIG_SMP" = "y" -a "$CONFIG_X86_CMPXCHG" = "y" ]; then 10.120 -# define_bool CONFIG_HAVE_DEC_LOCK y 10.121 -#fi 10.122 -endmenu 10.123 - 10.124 -mainmenu_option next_comment 10.125 -comment 'General setup' 10.126 - 10.127 -bool 'Networking support' CONFIG_NET 10.128 - 10.129 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.130 - bool 'PCI support' CONFIG_PCI 10.131 - source drivers/pci/Config.in 10.132 - 10.133 - bool 'Support for hot-pluggable devices' CONFIG_HOTPLUG 10.134 - 10.135 - if [ "$CONFIG_HOTPLUG" = "y" ] ; then 10.136 - source drivers/pcmcia/Config.in 10.137 - source drivers/hotplug/Config.in 10.138 - else 10.139 - define_bool CONFIG_PCMCIA n 10.140 - define_bool CONFIG_HOTPLUG_PCI n 10.141 - fi 10.142 -fi 10.143 - 10.144 -bool 'System V IPC' CONFIG_SYSVIPC 10.145 -bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT 10.146 -bool 'Sysctl support' CONFIG_SYSCTL 10.147 -if [ "$CONFIG_PROC_FS" = "y" ]; then 10.148 - choice 'Kernel core (/proc/kcore) format' \ 10.149 - "ELF CONFIG_KCORE_ELF \ 10.150 - A.OUT CONFIG_KCORE_AOUT" ELF 10.151 -fi 10.152 -tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT 10.153 -bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF 10.154 -tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC 10.155 -bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER 10.156 - 10.157 -endmenu 10.158 - 10.159 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.160 - source drivers/mtd/Config.in 10.161 - 10.162 - source drivers/parport/Config.in 10.163 - 10.164 - source drivers/pnp/Config.in 10.165 - 10.166 - source drivers/block/Config.in 10.167 - 10.168 - source drivers/md/Config.in 10.169 -fi 10.170 - 10.171 -if [ "$CONFIG_NET" = "y" ]; then 10.172 - source net/Config.in 10.173 -fi 10.174 - 10.175 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.176 - mainmenu_option next_comment 10.177 - comment 'ATA/IDE/MFM/RLL support' 10.178 - 10.179 - tristate 'ATA/IDE/MFM/RLL support' CONFIG_IDE 10.180 - 10.181 - if [ "$CONFIG_IDE" != "n" ]; then 10.182 - source drivers/ide/Config.in 10.183 - else 10.184 - define_bool CONFIG_BLK_DEV_HD n 10.185 - fi 10.186 - endmenu 10.187 -fi 10.188 - 10.189 -mainmenu_option next_comment 10.190 -comment 'SCSI support' 10.191 - 10.192 -tristate 'SCSI support' CONFIG_SCSI 10.193 - 10.194 -if [ "$CONFIG_SCSI" != "n" ]; then 10.195 - source drivers/scsi/Config.in 10.196 -fi 10.197 -endmenu 10.198 - 10.199 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.200 - source drivers/message/fusion/Config.in 10.201 - 10.202 - source drivers/ieee1394/Config.in 10.203 - 10.204 - source drivers/message/i2o/Config.in 10.205 - 10.206 - if [ "$CONFIG_NET" = "y" ]; then 10.207 - mainmenu_option next_comment 10.208 - comment 'Network device support' 10.209 - 10.210 - bool 'Network device support' CONFIG_NETDEVICES 10.211 - if [ "$CONFIG_NETDEVICES" = "y" ]; then 10.212 - source drivers/net/Config.in 10.213 - if [ "$CONFIG_ATM" = "y" -o "$CONFIG_ATM" = "m" ]; then 10.214 - source drivers/atm/Config.in 10.215 - fi 10.216 - fi 10.217 - endmenu 10.218 - fi 10.219 - 10.220 - source net/ax25/Config.in 10.221 - 10.222 - source net/irda/Config.in 10.223 - 10.224 - mainmenu_option next_comment 10.225 - comment 'ISDN subsystem' 10.226 - if [ "$CONFIG_NET" != "n" ]; then 10.227 - tristate 'ISDN support' CONFIG_ISDN 10.228 - if [ "$CONFIG_ISDN" != "n" ]; then 10.229 - source drivers/isdn/Config.in 10.230 - fi 10.231 - fi 10.232 - endmenu 10.233 - 10.234 - if [ "$CONFIG_ISA" = "y" ]; then 10.235 - mainmenu_option next_comment 10.236 - comment 'Old CD-ROM drivers (not SCSI, not IDE)' 10.237 - 10.238 - bool 'Support non-SCSI/IDE/ATAPI CDROM drives' CONFIG_CD_NO_IDESCSI 10.239 - if [ "$CONFIG_CD_NO_IDESCSI" != "n" ]; then 10.240 - source drivers/cdrom/Config.in 10.241 - fi 10.242 - endmenu 10.243 - fi 10.244 - 10.245 - # 10.246 - # input before char - char/joystick depends on it. As does USB. 10.247 - # 10.248 - source drivers/input/Config.in 10.249 -else 10.250 - # 10.251 - # Block device driver configuration 10.252 - # 10.253 - mainmenu_option next_comment 10.254 - comment 'Block devices' 10.255 - tristate 'Loopback device support' CONFIG_BLK_DEV_LOOP 10.256 - dep_tristate 'Network block device support' CONFIG_BLK_DEV_NBD $CONFIG_NET 10.257 - tristate 'RAM disk support' CONFIG_BLK_DEV_RAM 10.258 - if [ "$CONFIG_BLK_DEV_RAM" = "y" -o "$CONFIG_BLK_DEV_RAM" = "m" ]; then 10.259 - int ' Default RAM disk size' CONFIG_BLK_DEV_RAM_SIZE 4096 10.260 - fi 10.261 - dep_bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD $CONFIG_BLK_DEV_RAM 10.262 - bool 'Per partition statistics in /proc/partitions' CONFIG_BLK_STATS 10.263 - define_bool CONFIG_BLK_DEV_HD n 10.264 - endmenu 10.265 -fi 10.266 - 10.267 -source drivers/char/Config.in 10.268 - 10.269 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.270 - source drivers/media/Config.in 10.271 -fi 10.272 - 10.273 -source fs/Config.in 10.274 - 10.275 -mainmenu_option next_comment 10.276 -comment 'Console drivers' 10.277 - 10.278 -define_bool CONFIG_XEN_CONSOLE y 10.279 - 10.280 -if [ "$CONFIG_VT" = "y" ]; then 10.281 - bool 'VGA text console' CONFIG_VGA_CONSOLE 10.282 - bool 'Dummy console' CONFIG_DUMMY_CONSOLE 10.283 - if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.284 - bool 'Video mode selection support' CONFIG_VIDEO_SELECT 10.285 - if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then 10.286 - tristate 'MDA text console (dual-headed) (EXPERIMENTAL)' CONFIG_MDA_CONSOLE 10.287 - source drivers/video/Config.in 10.288 - fi 10.289 - fi 10.290 -fi 10.291 -endmenu 10.292 - 10.293 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.294 - mainmenu_option next_comment 10.295 - comment 'Sound' 10.296 - 10.297 - tristate 'Sound card support' CONFIG_SOUND 10.298 - if [ "$CONFIG_SOUND" != "n" ]; then 10.299 - source drivers/sound/Config.in 10.300 - fi 10.301 - endmenu 10.302 -fi 10.303 - 10.304 -if [ "$CONFIG_XEN_PHYSDEV_ACCESS" = "y" ]; then 10.305 - source drivers/usb/Config.in 10.306 - source net/bluetooth/Config.in 10.307 -fi 10.308 - 10.309 -mainmenu_option next_comment 10.310 -comment 'Kernel hacking' 10.311 - 10.312 -bool 'Kernel debugging' CONFIG_DEBUG_KERNEL 10.313 -if [ "$CONFIG_DEBUG_KERNEL" != "n" ]; then 10.314 - bool ' Check for stack overflows' CONFIG_DEBUG_STACKOVERFLOW 10.315 - bool ' Debug high memory support' CONFIG_DEBUG_HIGHMEM 10.316 - bool ' Debug memory allocations' CONFIG_DEBUG_SLAB 10.317 - bool ' Memory mapped I/O debugging' CONFIG_DEBUG_IOVIRT 10.318 - bool ' Magic SysRq key' CONFIG_MAGIC_SYSRQ 10.319 - bool ' Spinlock debugging' CONFIG_DEBUG_SPINLOCK 10.320 - bool ' Verbose BUG() reporting (adds 70K)' CONFIG_DEBUG_BUGVERBOSE 10.321 - bool ' Load all symbols for debugging' CONFIG_KALLSYMS 10.322 - bool ' Compile the kernel with frame pointers' CONFIG_FRAME_POINTER 10.323 -fi 10.324 - 10.325 -int 'Kernel messages buffer length shift (0 = default)' CONFIG_LOG_BUF_SHIFT 0 10.326 - 10.327 -endmenu 10.328 - 10.329 -source crypto/Config.in 10.330 -source lib/Config.in
11.1 --- a/linux-2.4-xen-sparse/arch/xen/defconfig-xen0 Fri Oct 07 23:22:35 2005 +0100 11.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 11.3 @@ -1,927 +0,0 @@ 11.4 -# 11.5 -# Automatically generated by make menuconfig: don't edit 11.6 -# 11.7 -CONFIG_XEN=y 11.8 -CONFIG_X86=y 11.9 -CONFIG_ISA=y 11.10 -# CONFIG_SBUS is not set 11.11 -CONFIG_UID16=y 11.12 - 11.13 -# 11.14 -# Xen 11.15 -# 11.16 -CONFIG_XEN_PRIVILEGED_GUEST=y 11.17 -CONFIG_XEN_PHYSDEV_ACCESS=y 11.18 -# CONFIG_XEN_USB_BACKEND is not set 11.19 -CONFIG_XEN_SCRUB_PAGES=y 11.20 -CONFIG_XEN_NETDEV_FRONTEND=y 11.21 -CONFIG_XEN_BLKDEV_FRONTEND=y 11.22 -CONFIG_XEN_BLKDEV_GRANT=y 11.23 -# CONFIG_XEN_USB_FRONTEND is not set 11.24 -CONFIG_NO_IDLE_HZ=y 11.25 -CONFIG_FOREIGN_PAGES=y 11.26 - 11.27 -# 11.28 -# Code maturity level options 11.29 -# 11.30 -CONFIG_EXPERIMENTAL=y 11.31 - 11.32 -# 11.33 -# Loadable module support 11.34 -# 11.35 -CONFIG_MODULES=y 11.36 -CONFIG_MODVERSIONS=y 11.37 -CONFIG_KMOD=y 11.38 - 11.39 -# 11.40 -# Processor type and features 11.41 -# 11.42 -CONFIG_M686=y 11.43 -# CONFIG_MPENTIUMIII is not set 11.44 -# CONFIG_MPENTIUM4 is not set 11.45 -# CONFIG_MK7 is not set 11.46 -# CONFIG_MK8 is not set 11.47 -# CONFIG_MVIAC3_2 is not set 11.48 -CONFIG_X86_WP_WORKS_OK=y 11.49 -CONFIG_X86_INVLPG=y 11.50 -CONFIG_X86_CMPXCHG=y 11.51 -CONFIG_X86_XADD=y 11.52 -CONFIG_X86_BSWAP=y 11.53 -CONFIG_X86_POPAD_OK=y 11.54 -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set 11.55 -CONFIG_RWSEM_XCHGADD_ALGORITHM=y 11.56 -CONFIG_X86_GOOD_APIC=y 11.57 -CONFIG_X86_PGE=y 11.58 -CONFIG_X86_USE_PPRO_CHECKSUM=y 11.59 -CONFIG_X86_TSC=y 11.60 -CONFIG_X86_L1_CACHE_SHIFT=5 11.61 -CONFIG_NOHIGHMEM=y 11.62 -# CONFIG_HIGHMEM4G is not set 11.63 -CONFIG_FORCE_MAX_ZONEORDER=11 11.64 - 11.65 -# 11.66 -# General setup 11.67 -# 11.68 -CONFIG_NET=y 11.69 -CONFIG_PCI=y 11.70 -CONFIG_PCI_NAMES=y 11.71 -CONFIG_HOTPLUG=y 11.72 - 11.73 -# 11.74 -# PCMCIA/CardBus support 11.75 -# 11.76 -# CONFIG_PCMCIA is not set 11.77 - 11.78 -# 11.79 -# PCI Hotplug Support 11.80 -# 11.81 -# CONFIG_HOTPLUG_PCI is not set 11.82 -# CONFIG_HOTPLUG_PCI_COMPAQ is not set 11.83 -# CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM is not set 11.84 -# CONFIG_HOTPLUG_PCI_SHPC is not set 11.85 -# CONFIG_HOTPLUG_PCI_SHPC_POLL_EVENT_MODE is not set 11.86 -# CONFIG_HOTPLUG_PCI_PCIE is not set 11.87 -# CONFIG_HOTPLUG_PCI_PCIE_POLL_EVENT_MODE is not set 11.88 -CONFIG_SYSVIPC=y 11.89 -# CONFIG_BSD_PROCESS_ACCT is not set 11.90 -CONFIG_SYSCTL=y 11.91 -CONFIG_KCORE_ELF=y 11.92 -# CONFIG_KCORE_AOUT is not set 11.93 -CONFIG_BINFMT_AOUT=y 11.94 -CONFIG_BINFMT_ELF=y 11.95 -# CONFIG_BINFMT_MISC is not set 11.96 -# CONFIG_OOM_KILLER is not set 11.97 - 11.98 -# 11.99 -# Memory Technology Devices (MTD) 11.100 -# 11.101 -# CONFIG_MTD is not set 11.102 - 11.103 -# 11.104 -# Parallel port support 11.105 -# 11.106 -# CONFIG_PARPORT is not set 11.107 - 11.108 -# 11.109 -# Plug and Play configuration 11.110 -# 11.111 -CONFIG_PNP=y 11.112 -# CONFIG_ISAPNP is not set 11.113 - 11.114 -# 11.115 -# Block devices 11.116 -# 11.117 -# CONFIG_BLK_DEV_FD is not set 11.118 -# CONFIG_BLK_DEV_XD is not set 11.119 -# CONFIG_PARIDE is not set 11.120 -# CONFIG_BLK_CPQ_DA is not set 11.121 -# CONFIG_BLK_CPQ_CISS_DA is not set 11.122 -# CONFIG_CISS_SCSI_TAPE is not set 11.123 -# CONFIG_CISS_MONITOR_THREAD is not set 11.124 -# CONFIG_BLK_DEV_DAC960 is not set 11.125 -# CONFIG_BLK_DEV_UMEM is not set 11.126 -# CONFIG_BLK_DEV_SX8 is not set 11.127 -CONFIG_BLK_DEV_LOOP=y 11.128 -CONFIG_BLK_DEV_NBD=y 11.129 -CONFIG_BLK_DEV_RAM=y 11.130 -CONFIG_BLK_DEV_RAM_SIZE=4096 11.131 -CONFIG_BLK_DEV_INITRD=y 11.132 -# CONFIG_BLK_STATS is not set 11.133 - 11.134 -# 11.135 -# Multi-device support (RAID and LVM) 11.136 -# 11.137 -CONFIG_MD=y 11.138 -CONFIG_BLK_DEV_MD=y 11.139 -CONFIG_MD_LINEAR=y 11.140 -# CONFIG_MD_RAID0 is not set 11.141 -CONFIG_MD_RAID1=y 11.142 -# CONFIG_MD_RAID5 is not set 11.143 -# CONFIG_MD_MULTIPATH is not set 11.144 -CONFIG_BLK_DEV_LVM=y 11.145 - 11.146 -# 11.147 -# Networking options 11.148 -# 11.149 -CONFIG_PACKET=y 11.150 -CONFIG_PACKET_MMAP=y 11.151 -# CONFIG_NETLINK_DEV is not set 11.152 -CONFIG_NETFILTER=y 11.153 -# CONFIG_NETFILTER_DEBUG is not set 11.154 -CONFIG_FILTER=y 11.155 -CONFIG_UNIX=y 11.156 -CONFIG_INET=y 11.157 -# CONFIG_IP_MULTICAST is not set 11.158 -# CONFIG_IP_ADVANCED_ROUTER is not set 11.159 -CONFIG_IP_PNP=y 11.160 -CONFIG_IP_PNP_DHCP=y 11.161 -# CONFIG_IP_PNP_BOOTP is not set 11.162 -# CONFIG_IP_PNP_RARP is not set 11.163 -# CONFIG_NET_IPIP is not set 11.164 -# CONFIG_NET_IPGRE is not set 11.165 -# CONFIG_ARPD is not set 11.166 -# CONFIG_INET_ECN is not set 11.167 -# CONFIG_SYN_COOKIES is not set 11.168 - 11.169 -# 11.170 -# IP: Netfilter Configuration 11.171 -# 11.172 -CONFIG_IP_NF_CONNTRACK=m 11.173 -CONFIG_IP_NF_FTP=m 11.174 -# CONFIG_IP_NF_AMANDA is not set 11.175 -CONFIG_IP_NF_TFTP=m 11.176 -CONFIG_IP_NF_IRC=m 11.177 -# CONFIG_IP_NF_QUEUE is not set 11.178 -CONFIG_IP_NF_IPTABLES=y 11.179 -# CONFIG_IP_NF_MATCH_LIMIT is not set 11.180 -# CONFIG_IP_NF_MATCH_MAC is not set 11.181 -# CONFIG_IP_NF_MATCH_PKTTYPE is not set 11.182 -# CONFIG_IP_NF_MATCH_MARK is not set 11.183 -# CONFIG_IP_NF_MATCH_MULTIPORT is not set 11.184 -# CONFIG_IP_NF_MATCH_TOS is not set 11.185 -# CONFIG_IP_NF_MATCH_RECENT is not set 11.186 -# CONFIG_IP_NF_MATCH_ECN is not set 11.187 -# CONFIG_IP_NF_MATCH_DSCP is not set 11.188 -# CONFIG_IP_NF_MATCH_AH_ESP is not set 11.189 -# CONFIG_IP_NF_MATCH_LENGTH is not set 11.190 -# CONFIG_IP_NF_MATCH_TTL is not set 11.191 -# CONFIG_IP_NF_MATCH_TCPMSS is not set 11.192 -# CONFIG_IP_NF_MATCH_HELPER is not set 11.193 -CONFIG_IP_NF_MATCH_STATE=m 11.194 -CONFIG_IP_NF_MATCH_CONNTRACK=m 11.195 -# CONFIG_IP_NF_MATCH_UNCLEAN is not set 11.196 -# CONFIG_IP_NF_MATCH_OWNER is not set 11.197 -CONFIG_IP_NF_MATCH_PHYSDEV=y 11.198 -CONFIG_IP_NF_FILTER=y 11.199 -CONFIG_IP_NF_TARGET_REJECT=y 11.200 -# CONFIG_IP_NF_TARGET_MIRROR is not set 11.201 -CONFIG_IP_NF_NAT=m 11.202 -CONFIG_IP_NF_NAT_NEEDED=y 11.203 -CONFIG_IP_NF_TARGET_MASQUERADE=m 11.204 -CONFIG_IP_NF_TARGET_REDIRECT=m 11.205 -# CONFIG_IP_NF_NAT_SNMP_BASIC is not set 11.206 -CONFIG_IP_NF_NAT_IRC=m 11.207 -CONFIG_IP_NF_NAT_FTP=m 11.208 -CONFIG_IP_NF_NAT_TFTP=m 11.209 -# CONFIG_IP_NF_MANGLE is not set 11.210 -CONFIG_IP_NF_TARGET_LOG=y 11.211 -CONFIG_IP_NF_TARGET_ULOG=y 11.212 -# CONFIG_IP_NF_TARGET_TCPMSS is not set 11.213 -# CONFIG_IP_NF_ARPTABLES is not set 11.214 - 11.215 -# 11.216 -# IP: Virtual Server Configuration 11.217 -# 11.218 -# CONFIG_IP_VS is not set 11.219 -# CONFIG_IPV6 is not set 11.220 -# CONFIG_KHTTPD is not set 11.221 - 11.222 -# 11.223 -# SCTP Configuration (EXPERIMENTAL) 11.224 -# 11.225 -# CONFIG_IP_SCTP is not set 11.226 -# CONFIG_ATM is not set 11.227 -CONFIG_VLAN_8021Q=y 11.228 -# CONFIG_IPX is not set 11.229 -# CONFIG_ATALK is not set 11.230 -# CONFIG_DECNET is not set 11.231 -CONFIG_BRIDGE=y 11.232 -CONFIG_BRIDGE_NF_EBTABLES=m 11.233 -CONFIG_BRIDGE_EBT_T_FILTER=m 11.234 -CONFIG_BRIDGE_EBT_T_NAT=m 11.235 -CONFIG_BRIDGE_EBT_BROUTE=m 11.236 -CONFIG_BRIDGE_EBT_LOG=m 11.237 -CONFIG_BRIDGE_EBT_IPF=m 11.238 -CONFIG_BRIDGE_EBT_ARPF=m 11.239 -CONFIG_BRIDGE_EBT_AMONG=m 11.240 -CONFIG_BRIDGE_EBT_LIMIT=m 11.241 -CONFIG_BRIDGE_EBT_VLANF=m 11.242 -CONFIG_BRIDGE_EBT_802_3=m 11.243 -CONFIG_BRIDGE_EBT_PKTTYPE=m 11.244 -CONFIG_BRIDGE_EBT_STP=m 11.245 -CONFIG_BRIDGE_EBT_MARKF=m 11.246 -CONFIG_BRIDGE_EBT_ARPREPLY=m 11.247 -CONFIG_BRIDGE_EBT_SNAT=m 11.248 -CONFIG_BRIDGE_EBT_DNAT=m 11.249 -CONFIG_BRIDGE_EBT_REDIRECT=m 11.250 -CONFIG_BRIDGE_EBT_MARK_T=m 11.251 -# CONFIG_X25 is not set 11.252 -# CONFIG_LAPB is not set 11.253 -# CONFIG_LLC is not set 11.254 -# CONFIG_NET_DIVERT is not set 11.255 -# CONFIG_ECONET is not set 11.256 -# CONFIG_WAN_ROUTER is not set 11.257 -# CONFIG_NET_FASTROUTE is not set 11.258 -# CONFIG_NET_HW_FLOWCONTROL is not set 11.259 - 11.260 -# 11.261 -# QoS and/or fair queueing 11.262 -# 11.263 -# CONFIG_NET_SCHED is not set 11.264 - 11.265 -# 11.266 -# Network testing 11.267 -# 11.268 -# CONFIG_NET_PKTGEN is not set 11.269 - 11.270 -# 11.271 -# ATA/IDE/MFM/RLL support 11.272 -# 11.273 -CONFIG_IDE=y 11.274 - 11.275 -# 11.276 -# IDE, ATA and ATAPI Block devices 11.277 -# 11.278 -CONFIG_BLK_DEV_IDE=y 11.279 -# CONFIG_BLK_DEV_HD_IDE is not set 11.280 -# CONFIG_BLK_DEV_HD is not set 11.281 -# CONFIG_BLK_DEV_IDE_SATA is not set 11.282 -CONFIG_BLK_DEV_IDEDISK=y 11.283 -CONFIG_IDEDISK_MULTI_MODE=y 11.284 -CONFIG_IDEDISK_STROKE=y 11.285 -# CONFIG_BLK_DEV_IDECS is not set 11.286 -# CONFIG_BLK_DEV_DELKIN is not set 11.287 -CONFIG_BLK_DEV_IDECD=y 11.288 -CONFIG_BLK_DEV_IDETAPE=y 11.289 -CONFIG_BLK_DEV_IDEFLOPPY=y 11.290 -CONFIG_BLK_DEV_IDESCSI=y 11.291 -CONFIG_IDE_TASK_IOCTL=y 11.292 -CONFIG_BLK_DEV_CMD640=y 11.293 -CONFIG_BLK_DEV_CMD640_ENHANCED=y 11.294 -# CONFIG_BLK_DEV_ISAPNP is not set 11.295 -CONFIG_BLK_DEV_IDEPCI=y 11.296 -CONFIG_BLK_DEV_GENERIC=y 11.297 -CONFIG_IDEPCI_SHARE_IRQ=y 11.298 -CONFIG_BLK_DEV_IDEDMA_PCI=y 11.299 -CONFIG_BLK_DEV_OFFBOARD=y 11.300 -# CONFIG_BLK_DEV_IDEDMA_FORCED is not set 11.301 -CONFIG_IDEDMA_PCI_AUTO=y 11.302 -# CONFIG_IDEDMA_ONLYDISK is not set 11.303 -CONFIG_BLK_DEV_IDEDMA=y 11.304 -# CONFIG_IDEDMA_PCI_WIP is not set 11.305 -CONFIG_BLK_DEV_ADMA100=y 11.306 -CONFIG_BLK_DEV_AEC62XX=y 11.307 -CONFIG_BLK_DEV_ALI15X3=y 11.308 -CONFIG_WDC_ALI15X3=y 11.309 -CONFIG_BLK_DEV_AMD74XX=y 11.310 -CONFIG_AMD74XX_OVERRIDE=y 11.311 -# CONFIG_BLK_DEV_ATIIXP is not set 11.312 -CONFIG_BLK_DEV_CMD64X=y 11.313 -CONFIG_BLK_DEV_TRIFLEX=y 11.314 -CONFIG_BLK_DEV_CY82C693=y 11.315 -CONFIG_BLK_DEV_CS5530=y 11.316 -CONFIG_BLK_DEV_HPT34X=y 11.317 -# CONFIG_HPT34X_AUTODMA is not set 11.318 -CONFIG_BLK_DEV_HPT366=y 11.319 -CONFIG_BLK_DEV_PIIX=y 11.320 -CONFIG_BLK_DEV_NS87415=y 11.321 -# CONFIG_BLK_DEV_OPTI621 is not set 11.322 -CONFIG_BLK_DEV_PDC202XX_OLD=y 11.323 -CONFIG_PDC202XX_BURST=y 11.324 -CONFIG_BLK_DEV_PDC202XX_NEW=y 11.325 -CONFIG_PDC202XX_FORCE=y 11.326 -CONFIG_BLK_DEV_RZ1000=y 11.327 -CONFIG_BLK_DEV_SC1200=y 11.328 -CONFIG_BLK_DEV_SVWKS=y 11.329 -CONFIG_BLK_DEV_SIIMAGE=y 11.330 -CONFIG_BLK_DEV_SIS5513=y 11.331 -CONFIG_BLK_DEV_SLC90E66=y 11.332 -CONFIG_BLK_DEV_TRM290=y 11.333 -CONFIG_BLK_DEV_VIA82CXXX=y 11.334 -CONFIG_IDE_CHIPSETS=y 11.335 -# CONFIG_BLK_DEV_4DRIVES is not set 11.336 -# CONFIG_BLK_DEV_ALI14XX is not set 11.337 -# CONFIG_BLK_DEV_DTC2278 is not set 11.338 -# CONFIG_BLK_DEV_HT6560B is not set 11.339 -# CONFIG_BLK_DEV_PDC4030 is not set 11.340 -# CONFIG_BLK_DEV_QD65XX is not set 11.341 -# CONFIG_BLK_DEV_UMC8672 is not set 11.342 -CONFIG_IDEDMA_AUTO=y 11.343 -# CONFIG_IDEDMA_IVB is not set 11.344 -# CONFIG_DMA_NONPCI is not set 11.345 -CONFIG_BLK_DEV_PDC202XX=y 11.346 -# CONFIG_BLK_DEV_ATARAID is not set 11.347 -# CONFIG_BLK_DEV_ATARAID_PDC is not set 11.348 -# CONFIG_BLK_DEV_ATARAID_HPT is not set 11.349 -# CONFIG_BLK_DEV_ATARAID_MEDLEY is not set 11.350 -# CONFIG_BLK_DEV_ATARAID_SII is not set 11.351 - 11.352 -# 11.353 -# SCSI support 11.354 -# 11.355 -CONFIG_SCSI=y 11.356 -CONFIG_BLK_DEV_SD=y 11.357 -CONFIG_SD_EXTRA_DEVS=40 11.358 -# CONFIG_CHR_DEV_ST is not set 11.359 -# CONFIG_CHR_DEV_OSST is not set 11.360 -# CONFIG_BLK_DEV_SR is not set 11.361 -CONFIG_CHR_DEV_SG=y 11.362 -# CONFIG_SCSI_DEBUG_QUEUES is not set 11.363 -# CONFIG_SCSI_MULTI_LUN is not set 11.364 -# CONFIG_SCSI_CONSTANTS is not set 11.365 -# CONFIG_SCSI_LOGGING is not set 11.366 - 11.367 -# 11.368 -# SCSI low-level drivers 11.369 -# 11.370 -# CONFIG_BLK_DEV_3W_XXXX_RAID is not set 11.371 -# CONFIG_SCSI_7000FASST is not set 11.372 -# CONFIG_SCSI_ACARD is not set 11.373 -# CONFIG_SCSI_AHA152X is not set 11.374 -# CONFIG_SCSI_AHA1542 is not set 11.375 -# CONFIG_SCSI_AHA1740 is not set 11.376 -CONFIG_SCSI_AACRAID=y 11.377 -CONFIG_SCSI_AIC7XXX=y 11.378 -CONFIG_AIC7XXX_CMDS_PER_DEVICE=32 11.379 -CONFIG_AIC7XXX_RESET_DELAY_MS=15000 11.380 -# CONFIG_AIC7XXX_PROBE_EISA_VL is not set 11.381 -# CONFIG_AIC7XXX_BUILD_FIRMWARE is not set 11.382 -# CONFIG_AIC7XXX_DEBUG_ENABLE is not set 11.383 -CONFIG_AIC7XXX_DEBUG_MASK=0 11.384 -# CONFIG_AIC7XXX_REG_PRETTY_PRINT is not set 11.385 -CONFIG_SCSI_AIC79XX=y 11.386 -CONFIG_AIC79XX_CMDS_PER_DEVICE=32 11.387 -CONFIG_AIC79XX_RESET_DELAY_MS=15000 11.388 -# CONFIG_AIC79XX_BUILD_FIRMWARE is not set 11.389 -# CONFIG_AIC79XX_ENABLE_RD_STRM is not set 11.390 -# CONFIG_AIC79XX_DEBUG_ENABLE is not set 11.391 -CONFIG_AIC79XX_DEBUG_MASK=0 11.392 -# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set 11.393 -# CONFIG_SCSI_DPT_I2O is not set 11.394 -# CONFIG_SCSI_ADVANSYS is not set 11.395 -# CONFIG_SCSI_IN2000 is not set 11.396 -# CONFIG_SCSI_AM53C974 is not set 11.397 -CONFIG_SCSI_MEGARAID=y 11.398 -# CONFIG_SCSI_MEGARAID2 is not set 11.399 -CONFIG_SCSI_SATA=y 11.400 -# CONFIG_SCSI_SATA_AHCI is not set 11.401 -# CONFIG_SCSI_SATA_SVW is not set 11.402 -CONFIG_SCSI_ATA_PIIX=y 11.403 -# CONFIG_SCSI_SATA_NV is not set 11.404 -# CONFIG_SCSI_SATA_QSTOR is not set 11.405 -CONFIG_SCSI_SATA_PROMISE=y 11.406 -CONFIG_SCSI_SATA_SX4=y 11.407 -CONFIG_SCSI_SATA_SIL=y 11.408 -CONFIG_SCSI_SATA_SIS=y 11.409 -# CONFIG_SCSI_SATA_ULI is not set 11.410 -CONFIG_SCSI_SATA_VIA=y 11.411 -CONFIG_SCSI_SATA_VITESSE=y 11.412 -CONFIG_SCSI_BUSLOGIC=y 11.413 -# CONFIG_SCSI_OMIT_FLASHPOINT is not set 11.414 -# CONFIG_SCSI_CPQFCTS is not set 11.415 -# CONFIG_SCSI_DMX3191D is not set 11.416 -# CONFIG_SCSI_DTC3280 is not set 11.417 -# CONFIG_SCSI_EATA is not set 11.418 -# CONFIG_SCSI_EATA_DMA is not set 11.419 -# CONFIG_SCSI_EATA_PIO is not set 11.420 -# CONFIG_SCSI_FUTURE_DOMAIN is not set 11.421 -# CONFIG_SCSI_GDTH is not set 11.422 -# CONFIG_SCSI_GENERIC_NCR5380 is not set 11.423 -# CONFIG_SCSI_IPS is not set 11.424 -# CONFIG_SCSI_INITIO is not set 11.425 -# CONFIG_SCSI_INIA100 is not set 11.426 -# CONFIG_SCSI_NCR53C406A is not set 11.427 -# CONFIG_SCSI_NCR53C7xx is not set 11.428 -CONFIG_SCSI_SYM53C8XX_2=y 11.429 -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1 11.430 -CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16 11.431 -CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 11.432 -# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set 11.433 -# CONFIG_SCSI_PAS16 is not set 11.434 -# CONFIG_SCSI_PCI2000 is not set 11.435 -# CONFIG_SCSI_PCI2220I is not set 11.436 -# CONFIG_SCSI_PSI240I is not set 11.437 -# CONFIG_SCSI_QLOGIC_FAS is not set 11.438 -# CONFIG_SCSI_QLOGIC_ISP is not set 11.439 -# CONFIG_SCSI_QLOGIC_FC is not set 11.440 -# CONFIG_SCSI_QLOGIC_1280 is not set 11.441 -# CONFIG_SCSI_SEAGATE is not set 11.442 -# CONFIG_SCSI_SIM710 is not set 11.443 -# CONFIG_SCSI_SYM53C416 is not set 11.444 -# CONFIG_SCSI_DC390T is not set 11.445 -# CONFIG_SCSI_T128 is not set 11.446 -# CONFIG_SCSI_U14_34F is not set 11.447 -# CONFIG_SCSI_ULTRASTOR is not set 11.448 -# CONFIG_SCSI_NSP32 is not set 11.449 -# CONFIG_SCSI_DEBUG is not set 11.450 - 11.451 -# 11.452 -# Fusion MPT device support 11.453 -# 11.454 -# CONFIG_FUSION is not set 11.455 -# CONFIG_FUSION_BOOT is not set 11.456 -# CONFIG_FUSION_ISENSE is not set 11.457 -# CONFIG_FUSION_CTL is not set 11.458 -# CONFIG_FUSION_LAN is not set 11.459 - 11.460 -# 11.461 -# IEEE 1394 (FireWire) support (EXPERIMENTAL) 11.462 -# 11.463 -# CONFIG_IEEE1394 is not set 11.464 - 11.465 -# 11.466 -# I2O device support 11.467 -# 11.468 -# CONFIG_I2O is not set 11.469 -# CONFIG_I2O_PCI is not set 11.470 -# CONFIG_I2O_BLOCK is not set 11.471 -# CONFIG_I2O_LAN is not set 11.472 -# CONFIG_I2O_SCSI is not set 11.473 -# CONFIG_I2O_PROC is not set 11.474 - 11.475 -# 11.476 -# Network device support 11.477 -# 11.478 -CONFIG_NETDEVICES=y 11.479 - 11.480 -# 11.481 -# ARCnet devices 11.482 -# 11.483 -# CONFIG_ARCNET is not set 11.484 -# CONFIG_DUMMY is not set 11.485 -# CONFIG_BONDING is not set 11.486 -# CONFIG_EQUALIZER is not set 11.487 -# CONFIG_TUN is not set 11.488 -# CONFIG_ETHERTAP is not set 11.489 - 11.490 -# 11.491 -# Ethernet (10 or 100Mbit) 11.492 -# 11.493 -CONFIG_NET_ETHERNET=y 11.494 -# CONFIG_SUNLANCE is not set 11.495 -# CONFIG_HAPPYMEAL is not set 11.496 -# CONFIG_SUNBMAC is not set 11.497 -# CONFIG_SUNQE is not set 11.498 -# CONFIG_SUNGEM is not set 11.499 -CONFIG_NET_VENDOR_3COM=y 11.500 -# CONFIG_EL1 is not set 11.501 -# CONFIG_EL2 is not set 11.502 -# CONFIG_ELPLUS is not set 11.503 -# CONFIG_EL16 is not set 11.504 -# CONFIG_EL3 is not set 11.505 -# CONFIG_3C515 is not set 11.506 -# CONFIG_ELMC is not set 11.507 -# CONFIG_ELMC_II is not set 11.508 -CONFIG_VORTEX=y 11.509 -# CONFIG_TYPHOON is not set 11.510 -# CONFIG_LANCE is not set 11.511 -# CONFIG_NET_VENDOR_SMC is not set 11.512 -# CONFIG_NET_VENDOR_RACAL is not set 11.513 -# CONFIG_AT1700 is not set 11.514 -# CONFIG_DEPCA is not set 11.515 -# CONFIG_HP100 is not set 11.516 -# CONFIG_NET_ISA is not set 11.517 -CONFIG_NET_PCI=y 11.518 -CONFIG_PCNET32=y 11.519 -# CONFIG_AMD8111_ETH is not set 11.520 -# CONFIG_ADAPTEC_STARFIRE is not set 11.521 -# CONFIG_AC3200 is not set 11.522 -# CONFIG_APRICOT is not set 11.523 -# CONFIG_B44 is not set 11.524 -# CONFIG_CS89x0 is not set 11.525 -# CONFIG_TULIP is not set 11.526 -# CONFIG_DE4X5 is not set 11.527 -# CONFIG_DGRS is not set 11.528 -# CONFIG_DM9102 is not set 11.529 -# CONFIG_EEPRO100 is not set 11.530 -# CONFIG_EEPRO100_PIO is not set 11.531 -CONFIG_E100=y 11.532 -# CONFIG_LNE390 is not set 11.533 -# CONFIG_FEALNX is not set 11.534 -# CONFIG_NATSEMI is not set 11.535 -CONFIG_NE2K_PCI=y 11.536 -# CONFIG_FORCEDETH is not set 11.537 -# CONFIG_NE3210 is not set 11.538 -# CONFIG_ES3210 is not set 11.539 -# CONFIG_8139CP is not set 11.540 -# CONFIG_8139TOO is not set 11.541 -# CONFIG_8139TOO_PIO is not set 11.542 -# CONFIG_8139TOO_TUNE_TWISTER is not set 11.543 -# CONFIG_8139TOO_8129 is not set 11.544 -# CONFIG_8139_OLD_RX_RESET is not set 11.545 -# CONFIG_SIS900 is not set 11.546 -# CONFIG_EPIC100 is not set 11.547 -# CONFIG_SUNDANCE is not set 11.548 -# CONFIG_SUNDANCE_MMIO is not set 11.549 -# CONFIG_TLAN is not set 11.550 -# CONFIG_VIA_RHINE is not set 11.551 -# CONFIG_VIA_RHINE_MMIO is not set 11.552 -# CONFIG_WINBOND_840 is not set 11.553 -# CONFIG_NET_POCKET is not set 11.554 - 11.555 -# 11.556 -# Ethernet (1000 Mbit) 11.557 -# 11.558 -# CONFIG_ACENIC is not set 11.559 -# CONFIG_DL2K is not set 11.560 -CONFIG_E1000=y 11.561 -# CONFIG_E1000_NAPI is not set 11.562 -# CONFIG_MYRI_SBUS is not set 11.563 -# CONFIG_NS83820 is not set 11.564 -# CONFIG_HAMACHI is not set 11.565 -# CONFIG_YELLOWFIN is not set 11.566 -# CONFIG_R8169 is not set 11.567 -# CONFIG_SK98LIN is not set 11.568 -CONFIG_TIGON3=y 11.569 -# CONFIG_FDDI is not set 11.570 -# CONFIG_HIPPI is not set 11.571 -# CONFIG_PLIP is not set 11.572 -# CONFIG_PPP is not set 11.573 -# CONFIG_SLIP is not set 11.574 - 11.575 -# 11.576 -# Wireless LAN (non-hamradio) 11.577 -# 11.578 -# CONFIG_NET_RADIO is not set 11.579 - 11.580 -# 11.581 -# Token Ring devices 11.582 -# 11.583 -# CONFIG_TR is not set 11.584 -# CONFIG_NET_FC is not set 11.585 -# CONFIG_RCPCI is not set 11.586 -# CONFIG_SHAPER is not set 11.587 - 11.588 -# 11.589 -# Wan interfaces 11.590 -# 11.591 -# CONFIG_WAN is not set 11.592 - 11.593 -# 11.594 -# Amateur Radio support 11.595 -# 11.596 -# CONFIG_HAMRADIO is not set 11.597 - 11.598 -# 11.599 -# IrDA (infrared) support 11.600 -# 11.601 -# CONFIG_IRDA is not set 11.602 - 11.603 -# 11.604 -# ISDN subsystem 11.605 -# 11.606 -# CONFIG_ISDN is not set 11.607 - 11.608 -# 11.609 -# Old CD-ROM drivers (not SCSI, not IDE) 11.610 -# 11.611 -# CONFIG_CD_NO_IDESCSI is not set 11.612 - 11.613 -# 11.614 -# Input core support 11.615 -# 11.616 -# CONFIG_INPUT is not set 11.617 -# CONFIG_INPUT_KEYBDEV is not set 11.618 -# CONFIG_INPUT_MOUSEDEV is not set 11.619 -# CONFIG_INPUT_JOYDEV is not set 11.620 -# CONFIG_INPUT_EVDEV is not set 11.621 -# CONFIG_INPUT_UINPUT is not set 11.622 - 11.623 -# 11.624 -# Character devices 11.625 -# 11.626 -CONFIG_VT=y 11.627 -CONFIG_VT_CONSOLE=y 11.628 -# CONFIG_SERIAL is not set 11.629 -# CONFIG_SERIAL_EXTENDED is not set 11.630 -# CONFIG_SERIAL_NONSTANDARD is not set 11.631 -CONFIG_UNIX98_PTYS=y 11.632 -CONFIG_UNIX98_PTY_COUNT=256 11.633 - 11.634 -# 11.635 -# I2C support 11.636 -# 11.637 -# CONFIG_I2C is not set 11.638 - 11.639 -# 11.640 -# Mice 11.641 -# 11.642 -# CONFIG_BUSMOUSE is not set 11.643 -CONFIG_MOUSE=y 11.644 -CONFIG_PSMOUSE=y 11.645 -# CONFIG_82C710_MOUSE is not set 11.646 -# CONFIG_PC110_PAD is not set 11.647 -# CONFIG_MK712_MOUSE is not set 11.648 - 11.649 -# 11.650 -# Joysticks 11.651 -# 11.652 -# CONFIG_INPUT_GAMEPORT is not set 11.653 -# CONFIG_QIC02_TAPE is not set 11.654 -# CONFIG_IPMI_HANDLER is not set 11.655 -# CONFIG_IPMI_PANIC_EVENT is not set 11.656 -# CONFIG_IPMI_DEVICE_INTERFACE is not set 11.657 -# CONFIG_IPMI_KCS is not set 11.658 -# CONFIG_IPMI_WATCHDOG is not set 11.659 - 11.660 -# 11.661 -# Watchdog Cards 11.662 -# 11.663 -# CONFIG_WATCHDOG is not set 11.664 -# CONFIG_SCx200 is not set 11.665 -# CONFIG_SCx200_GPIO is not set 11.666 -# CONFIG_AMD_RNG is not set 11.667 -# CONFIG_INTEL_RNG is not set 11.668 -# CONFIG_HW_RANDOM is not set 11.669 -# CONFIG_AMD_PM768 is not set 11.670 -# CONFIG_NVRAM is not set 11.671 -# CONFIG_RTC is not set 11.672 -# CONFIG_DTLK is not set 11.673 -# CONFIG_R3964 is not set 11.674 -# CONFIG_APPLICOM is not set 11.675 -# CONFIG_SONYPI is not set 11.676 - 11.677 -# 11.678 -# Ftape, the floppy tape device driver 11.679 -# 11.680 -# CONFIG_FTAPE is not set 11.681 -# CONFIG_AGP is not set 11.682 - 11.683 -# 11.684 -# Direct Rendering Manager (XFree86 DRI support) 11.685 -# 11.686 -# CONFIG_DRM is not set 11.687 -# CONFIG_MWAVE is not set 11.688 -# CONFIG_OBMOUSE is not set 11.689 - 11.690 -# 11.691 -# Multimedia devices 11.692 -# 11.693 -# CONFIG_VIDEO_DEV is not set 11.694 - 11.695 -# 11.696 -# File systems 11.697 -# 11.698 -# CONFIG_QUOTA is not set 11.699 -# CONFIG_QFMT_V2 is not set 11.700 -CONFIG_AUTOFS_FS=y 11.701 -CONFIG_AUTOFS4_FS=y 11.702 -# CONFIG_REISERFS_FS is not set 11.703 -# CONFIG_REISERFS_CHECK is not set 11.704 -# CONFIG_REISERFS_PROC_INFO is not set 11.705 -# CONFIG_ADFS_FS is not set 11.706 -# CONFIG_ADFS_FS_RW is not set 11.707 -# CONFIG_AFFS_FS is not set 11.708 -# CONFIG_HFS_FS is not set 11.709 -# CONFIG_HFSPLUS_FS is not set 11.710 -# CONFIG_BEFS_FS is not set 11.711 -# CONFIG_BEFS_DEBUG is not set 11.712 -# CONFIG_BFS_FS is not set 11.713 -CONFIG_EXT3_FS=y 11.714 -CONFIG_JBD=y 11.715 -# CONFIG_JBD_DEBUG is not set 11.716 -CONFIG_FAT_FS=y 11.717 -CONFIG_MSDOS_FS=y 11.718 -CONFIG_UMSDOS_FS=y 11.719 -CONFIG_VFAT_FS=y 11.720 -# CONFIG_EFS_FS is not set 11.721 -# CONFIG_JFFS_FS is not set 11.722 -# CONFIG_JFFS2_FS is not set 11.723 -# CONFIG_CRAMFS is not set 11.724 -CONFIG_TMPFS=y 11.725 -CONFIG_RAMFS=y 11.726 -CONFIG_ISO9660_FS=y 11.727 -CONFIG_JOLIET=y 11.728 -CONFIG_ZISOFS=y 11.729 -# CONFIG_JFS_FS is not set 11.730 -# CONFIG_JFS_DEBUG is not set 11.731 -# CONFIG_JFS_STATISTICS is not set 11.732 -# CONFIG_MINIX_FS is not set 11.733 -# CONFIG_VXFS_FS is not set 11.734 -# CONFIG_NTFS_FS is not set 11.735 -# CONFIG_NTFS_RW is not set 11.736 -# CONFIG_HPFS_FS is not set 11.737 -CONFIG_PROC_FS=y 11.738 -# CONFIG_DEVFS_FS is not set 11.739 -# CONFIG_DEVFS_MOUNT is not set 11.740 -# CONFIG_DEVFS_DEBUG is not set 11.741 -CONFIG_DEVPTS_FS=y 11.742 -# CONFIG_QNX4FS_FS is not set 11.743 -# CONFIG_QNX4FS_RW is not set 11.744 -# CONFIG_ROMFS_FS is not set 11.745 -CONFIG_EXT2_FS=y 11.746 -# CONFIG_SYSV_FS is not set 11.747 -# CONFIG_UDF_FS is not set 11.748 -# CONFIG_UDF_RW is not set 11.749 -# CONFIG_UFS_FS is not set 11.750 -# CONFIG_UFS_FS_WRITE is not set 11.751 -# CONFIG_XFS_FS is not set 11.752 -# CONFIG_XFS_QUOTA is not set 11.753 -# CONFIG_XFS_RT is not set 11.754 -# CONFIG_XFS_TRACE is not set 11.755 -# CONFIG_XFS_DEBUG is not set 11.756 - 11.757 -# 11.758 -# Network File Systems 11.759 -# 11.760 -# CONFIG_CODA_FS is not set 11.761 -# CONFIG_INTERMEZZO_FS is not set 11.762 -CONFIG_NFS_FS=y 11.763 -CONFIG_NFS_V3=y 11.764 -# CONFIG_NFS_DIRECTIO is not set 11.765 -CONFIG_ROOT_NFS=y 11.766 -CONFIG_NFSD=y 11.767 -CONFIG_NFSD_V3=y 11.768 -# CONFIG_NFSD_TCP is not set 11.769 -CONFIG_SUNRPC=y 11.770 -CONFIG_LOCKD=y 11.771 -CONFIG_LOCKD_V4=y 11.772 -# CONFIG_SMB_FS is not set 11.773 -# CONFIG_NCP_FS is not set 11.774 -# CONFIG_NCPFS_PACKET_SIGNING is not set 11.775 -# CONFIG_NCPFS_IOCTL_LOCKING is not set 11.776 -# CONFIG_NCPFS_STRONG is not set 11.777 -# CONFIG_NCPFS_NFS_NS is not set 11.778 -# CONFIG_NCPFS_OS2_NS is not set 11.779 -# CONFIG_NCPFS_SMALLDOS is not set 11.780 -# CONFIG_NCPFS_NLS is not set 11.781 -# CONFIG_NCPFS_EXTRAS is not set 11.782 -CONFIG_ZISOFS_FS=y 11.783 - 11.784 -# 11.785 -# Partition Types 11.786 -# 11.787 -CONFIG_PARTITION_ADVANCED=y 11.788 -# CONFIG_ACORN_PARTITION is not set 11.789 -# CONFIG_OSF_PARTITION is not set 11.790 -# CONFIG_AMIGA_PARTITION is not set 11.791 -# CONFIG_ATARI_PARTITION is not set 11.792 -# CONFIG_MAC_PARTITION is not set 11.793 -CONFIG_MSDOS_PARTITION=y 11.794 -# CONFIG_BSD_DISKLABEL is not set 11.795 -# CONFIG_MINIX_SUBPARTITION is not set 11.796 -# CONFIG_SOLARIS_X86_PARTITION is not set 11.797 -# CONFIG_UNIXWARE_DISKLABEL is not set 11.798 -# CONFIG_LDM_PARTITION is not set 11.799 -# CONFIG_SGI_PARTITION is not set 11.800 -# CONFIG_ULTRIX_PARTITION is not set 11.801 -# CONFIG_SUN_PARTITION is not set 11.802 -# CONFIG_EFI_PARTITION is not set 11.803 -# CONFIG_SMB_NLS is not set 11.804 -CONFIG_NLS=y 11.805 - 11.806 -# 11.807 -# Native Language Support 11.808 -# 11.809 -CONFIG_NLS_DEFAULT="iso8559-1" 11.810 -# CONFIG_NLS_CODEPAGE_437 is not set 11.811 -# CONFIG_NLS_CODEPAGE_737 is not set 11.812 -# CONFIG_NLS_CODEPAGE_775 is not set 11.813 -# CONFIG_NLS_CODEPAGE_850 is not set 11.814 -# CONFIG_NLS_CODEPAGE_852 is not set 11.815 -# CONFIG_NLS_CODEPAGE_855 is not set 11.816 -# CONFIG_NLS_CODEPAGE_857 is not set 11.817 -# CONFIG_NLS_CODEPAGE_860 is not set 11.818 -# CONFIG_NLS_CODEPAGE_861 is not set 11.819 -# CONFIG_NLS_CODEPAGE_862 is not set 11.820 -# CONFIG_NLS_CODEPAGE_863 is not set 11.821 -# CONFIG_NLS_CODEPAGE_864 is not set 11.822 -# CONFIG_NLS_CODEPAGE_865 is not set 11.823 -# CONFIG_NLS_CODEPAGE_866 is not set 11.824 -# CONFIG_NLS_CODEPAGE_869 is not set 11.825 -# CONFIG_NLS_CODEPAGE_936 is not set 11.826 -# CONFIG_NLS_CODEPAGE_950 is not set 11.827 -# CONFIG_NLS_CODEPAGE_932 is not set 11.828 -# CONFIG_NLS_CODEPAGE_949 is not set 11.829 -# CONFIG_NLS_CODEPAGE_874 is not set 11.830 -# CONFIG_NLS_ISO8859_8 is not set 11.831 -# CONFIG_NLS_CODEPAGE_1250 is not set 11.832 -# CONFIG_NLS_CODEPAGE_1251 is not set 11.833 -CONFIG_NLS_ISO8859_1=y 11.834 -# CONFIG_NLS_ISO8859_2 is not set 11.835 -# CONFIG_NLS_ISO8859_3 is not set 11.836 -# CONFIG_NLS_ISO8859_4 is not set 11.837 -# CONFIG_NLS_ISO8859_5 is not set 11.838 -# CONFIG_NLS_ISO8859_6 is not set 11.839 -# CONFIG_NLS_ISO8859_7 is not set 11.840 -# CONFIG_NLS_ISO8859_9 is not set 11.841 -# CONFIG_NLS_ISO8859_13 is not set 11.842 -# CONFIG_NLS_ISO8859_14 is not set 11.843 -# CONFIG_NLS_ISO8859_15 is not set 11.844 -# CONFIG_NLS_KOI8_R is not set 11.845 -# CONFIG_NLS_KOI8_U is not set 11.846 -# CONFIG_NLS_UTF8 is not set 11.847 - 11.848 -# 11.849 -# Console drivers 11.850 -# 11.851 -CONFIG_XEN_CONSOLE=y 11.852 -CONFIG_VGA_CONSOLE=y 11.853 -CONFIG_DUMMY_CONSOLE=y 11.854 -# CONFIG_VIDEO_SELECT is not set 11.855 -# CONFIG_MDA_CONSOLE is not set 11.856 - 11.857 -# 11.858 -# Frame-buffer support 11.859 -# 11.860 -# CONFIG_FB is not set 11.861 - 11.862 -# 11.863 -# Sound 11.864 -# 11.865 -# CONFIG_SOUND is not set 11.866 - 11.867 -# 11.868 -# USB support 11.869 -# 11.870 -# CONFIG_USB is not set 11.871 - 11.872 -# 11.873 -# Support for USB gadgets 11.874 -# 11.875 -# CONFIG_USB_GADGET is not set 11.876 - 11.877 -# 11.878 -# Bluetooth support 11.879 -# 11.880 -# CONFIG_BLUEZ is not set 11.881 - 11.882 -# 11.883 -# Kernel hacking 11.884 -# 11.885 -CONFIG_DEBUG_KERNEL=y 11.886 -# CONFIG_DEBUG_STACKOVERFLOW is not set 11.887 -# CONFIG_DEBUG_HIGHMEM is not set 11.888 -# CONFIG_DEBUG_SLAB is not set 11.889 -# CONFIG_DEBUG_IOVIRT is not set 11.890 -# CONFIG_MAGIC_SYSRQ is not set 11.891 -# CONFIG_DEBUG_SPINLOCK is not set 11.892 -# CONFIG_DEBUG_BUGVERBOSE is not set 11.893 -CONFIG_KALLSYMS=y 11.894 -# CONFIG_FRAME_POINTER is not set 11.895 -CONFIG_LOG_BUF_SHIFT=0 11.896 - 11.897 -# 11.898 -# Cryptographic options 11.899 -# 11.900 -CONFIG_CRYPTO=y 11.901 -CONFIG_CRYPTO_HMAC=y 11.902 -CONFIG_CRYPTO_NULL=m 11.903 -CONFIG_CRYPTO_MD4=m 11.904 -CONFIG_CRYPTO_MD5=m 11.905 -CONFIG_CRYPTO_SHA1=m 11.906 -CONFIG_CRYPTO_SHA256=m 11.907 -CONFIG_CRYPTO_SHA512=m 11.908 -# CONFIG_CRYPTO_WP512 is not set 11.909 -CONFIG_CRYPTO_DES=m 11.910 -CONFIG_CRYPTO_BLOWFISH=m 11.911 -CONFIG_CRYPTO_TWOFISH=m 11.912 -CONFIG_CRYPTO_SERPENT=m 11.913 -CONFIG_CRYPTO_AES=m 11.914 -CONFIG_CRYPTO_CAST5=m 11.915 -CONFIG_CRYPTO_CAST6=m 11.916 -# CONFIG_CRYPTO_TEA is not set 11.917 -# CONFIG_CRYPTO_KHAZAD is not set 11.918 -# CONFIG_CRYPTO_ANUBIS is not set 11.919 -CONFIG_CRYPTO_ARC4=m 11.920 -CONFIG_CRYPTO_DEFLATE=m 11.921 -# CONFIG_CRYPTO_MICHAEL_MIC is not set 11.922 -# CONFIG_CRYPTO_TEST is not set 11.923 - 11.924 -# 11.925 -# Library routines 11.926 -# 11.927 -# CONFIG_CRC32 is not set 11.928 -CONFIG_ZLIB_INFLATE=y 11.929 -CONFIG_ZLIB_DEFLATE=m 11.930 -# CONFIG_FW_LOADER is not set
12.1 --- a/linux-2.4-xen-sparse/arch/xen/defconfig-xenU Fri Oct 07 23:22:35 2005 +0100 12.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 12.3 @@ -1,562 +0,0 @@ 12.4 -# 12.5 -# Automatically generated make config: don't edit 12.6 -# 12.7 -CONFIG_XEN=y 12.8 -CONFIG_X86=y 12.9 -CONFIG_ISA=y 12.10 -# CONFIG_SBUS is not set 12.11 -CONFIG_UID16=y 12.12 - 12.13 -# 12.14 -# Xen 12.15 -# 12.16 -# CONFIG_XEN_PRIVILEGED_GUEST is not set 12.17 -# CONFIG_XEN_PHYSDEV_ACCESS is not set 12.18 -CONFIG_XEN_SCRUB_PAGES=y 12.19 -CONFIG_XEN_NETDEV_FRONTEND=y 12.20 -CONFIG_XEN_BLKDEV_FRONTEND=y 12.21 -CONFIG_XEN_BLKDEV_GRANT=y 12.22 -# CONFIG_XEN_USB_FRONTEND is not set 12.23 -CONFIG_NO_IDLE_HZ=y 12.24 -# CONFIG_FOREIGN_PAGES is not set 12.25 -CONFIG_NETDEVICES=y 12.26 -# CONFIG_VT is not set 12.27 - 12.28 -# 12.29 -# Code maturity level options 12.30 -# 12.31 -CONFIG_EXPERIMENTAL=y 12.32 - 12.33 -# 12.34 -# Loadable module support 12.35 -# 12.36 -CONFIG_MODULES=y 12.37 -CONFIG_MODVERSIONS=y 12.38 -CONFIG_KMOD=y 12.39 - 12.40 -# 12.41 -# Processor type and features 12.42 -# 12.43 -CONFIG_M686=y 12.44 -# CONFIG_MPENTIUMIII is not set 12.45 -# CONFIG_MPENTIUM4 is not set 12.46 -# CONFIG_MK7 is not set 12.47 -# CONFIG_MK8 is not set 12.48 -# CONFIG_MVIAC3_2 is not set 12.49 -CONFIG_X86_WP_WORKS_OK=y 12.50 -CONFIG_X86_INVLPG=y 12.51 -CONFIG_X86_CMPXCHG=y 12.52 -CONFIG_X86_XADD=y 12.53 -CONFIG_X86_BSWAP=y 12.54 -CONFIG_X86_POPAD_OK=y 12.55 -# CONFIG_RWSEM_GENERIC_SPINLOCK is not set 12.56 -CONFIG_RWSEM_XCHGADD_ALGORITHM=y 12.57 -CONFIG_X86_GOOD_APIC=y 12.58 -CONFIG_X86_PGE=y 12.59 -CONFIG_X86_USE_PPRO_CHECKSUM=y 12.60 -CONFIG_X86_TSC=y 12.61 -CONFIG_X86_L1_CACHE_SHIFT=5 12.62 -CONFIG_NOHIGHMEM=y 12.63 -# CONFIG_HIGHMEM4G is not set 12.64 -CONFIG_FORCE_MAX_ZONEORDER=11 12.65 - 12.66 -# 12.67 -# General setup 12.68 -# 12.69 -CONFIG_NET=y 12.70 -CONFIG_SYSVIPC=y 12.71 -# CONFIG_BSD_PROCESS_ACCT is not set 12.72 -CONFIG_SYSCTL=y 12.73 -CONFIG_KCORE_ELF=y 12.74 -# CONFIG_KCORE_AOUT is not set 12.75 -CONFIG_BINFMT_AOUT=y 12.76 -CONFIG_BINFMT_ELF=y 12.77 -# CONFIG_BINFMT_MISC is not set 12.78 -# CONFIG_OOM_KILLER is not set 12.79 - 12.80 -# 12.81 -# Networking options 12.82 -# 12.83 -CONFIG_PACKET=y 12.84 -CONFIG_PACKET_MMAP=y 12.85 -# CONFIG_NETLINK_DEV is not set 12.86 -CONFIG_NETFILTER=y 12.87 -# CONFIG_NETFILTER_DEBUG is not set 12.88 -CONFIG_FILTER=y 12.89 -CONFIG_UNIX=y 12.90 -CONFIG_INET=y 12.91 -# CONFIG_IP_MULTICAST is not set 12.92 -# CONFIG_IP_ADVANCED_ROUTER is not set 12.93 -CONFIG_IP_PNP=y 12.94 -CONFIG_IP_PNP_DHCP=y 12.95 -# CONFIG_IP_PNP_BOOTP is not set 12.96 -# CONFIG_IP_PNP_RARP is not set 12.97 -# CONFIG_NET_IPIP is not set 12.98 -# CONFIG_NET_IPGRE is not set 12.99 -# CONFIG_ARPD is not set 12.100 -# CONFIG_INET_ECN is not set 12.101 -# CONFIG_SYN_COOKIES is not set 12.102 - 12.103 -# 12.104 -# IP: Netfilter Configuration 12.105 -# 12.106 -CONFIG_IP_NF_CONNTRACK=y 12.107 -CONFIG_IP_NF_FTP=y 12.108 -# CONFIG_IP_NF_AMANDA is not set 12.109 -CONFIG_IP_NF_TFTP=y 12.110 -CONFIG_IP_NF_IRC=y 12.111 -# CONFIG_IP_NF_QUEUE is not set 12.112 -CONFIG_IP_NF_IPTABLES=y 12.113 -# CONFIG_IP_NF_MATCH_LIMIT is not set 12.114 -# CONFIG_IP_NF_MATCH_MAC is not set 12.115 -# CONFIG_IP_NF_MATCH_PKTTYPE is not set 12.116 -# CONFIG_IP_NF_MATCH_MARK is not set 12.117 -# CONFIG_IP_NF_MATCH_MULTIPORT is not set 12.118 -# CONFIG_IP_NF_MATCH_TOS is not set 12.119 -# CONFIG_IP_NF_MATCH_RECENT is not set 12.120 -# CONFIG_IP_NF_MATCH_ECN is not set 12.121 -# CONFIG_IP_NF_MATCH_DSCP is not set 12.122 -# CONFIG_IP_NF_MATCH_AH_ESP is not set 12.123 -# CONFIG_IP_NF_MATCH_LENGTH is not set 12.124 -# CONFIG_IP_NF_MATCH_TTL is not set 12.125 -# CONFIG_IP_NF_MATCH_TCPMSS is not set 12.126 -# CONFIG_IP_NF_MATCH_HELPER is not set 12.127 -CONFIG_IP_NF_MATCH_STATE=y 12.128 -CONFIG_IP_NF_MATCH_CONNTRACK=y 12.129 -# CONFIG_IP_NF_MATCH_UNCLEAN is not set 12.130 -# CONFIG_IP_NF_MATCH_OWNER is not set 12.131 -CONFIG_IP_NF_FILTER=y 12.132 -CONFIG_IP_NF_TARGET_REJECT=y 12.133 -# CONFIG_IP_NF_TARGET_MIRROR is not set 12.134 -CONFIG_IP_NF_NAT=y 12.135 -CONFIG_IP_NF_NAT_NEEDED=y 12.136 -CONFIG_IP_NF_TARGET_MASQUERADE=y 12.137 -CONFIG_IP_NF_TARGET_REDIRECT=y 12.138 -# CONFIG_IP_NF_NAT_SNMP_BASIC is not set 12.139 -CONFIG_IP_NF_NAT_IRC=y 12.140 -CONFIG_IP_NF_NAT_FTP=y 12.141 -CONFIG_IP_NF_NAT_TFTP=y 12.142 -# CONFIG_IP_NF_MANGLE is not set 12.143 -CONFIG_IP_NF_TARGET_LOG=y 12.144 -CONFIG_IP_NF_TARGET_ULOG=y 12.145 -# CONFIG_IP_NF_TARGET_TCPMSS is not set 12.146 -# CONFIG_IP_NF_ARPTABLES is not set 12.147 - 12.148 -# 12.149 -# IP: Virtual Server Configuration 12.150 -# 12.151 -# CONFIG_IP_VS is not set 12.152 -# CONFIG_IPV6 is not set 12.153 -# CONFIG_KHTTPD is not set 12.154 - 12.155 -# 12.156 -# SCTP Configuration (EXPERIMENTAL) 12.157 -# 12.158 -# CONFIG_IP_SCTP is not set 12.159 -# CONFIG_ATM is not set 12.160 -CONFIG_VLAN_8021Q=y 12.161 - 12.162 -# 12.163 -# 12.164 -# 12.165 -# CONFIG_IPX is not set 12.166 -# CONFIG_ATALK is not set 12.167 -# CONFIG_DECNET is not set 12.168 -# CONFIG_BRIDGE is not set 12.169 -# CONFIG_X25 is not set 12.170 -# CONFIG_LAPB is not set 12.171 -# CONFIG_LLC is not set 12.172 -# CONFIG_NET_DIVERT is not set 12.173 -# CONFIG_ECONET is not set 12.174 -# CONFIG_WAN_ROUTER is not set 12.175 -# CONFIG_NET_FASTROUTE is not set 12.176 -# CONFIG_NET_HW_FLOWCONTROL is not set 12.177 - 12.178 -# 12.179 -# QoS and/or fair queueing 12.180 -# 12.181 -# CONFIG_NET_SCHED is not set 12.182 - 12.183 -# 12.184 -# Network testing 12.185 -# 12.186 -# CONFIG_NET_PKTGEN is not set 12.187 - 12.188 -# 12.189 -# SCSI support 12.190 -# 12.191 -CONFIG_SCSI=y 12.192 - 12.193 -# 12.194 -# SCSI support type (disk, tape, CD-ROM) 12.195 -# 12.196 -CONFIG_BLK_DEV_SD=y 12.197 -CONFIG_SD_EXTRA_DEVS=40 12.198 -# CONFIG_CHR_DEV_ST is not set 12.199 -# CONFIG_CHR_DEV_OSST is not set 12.200 -# CONFIG_BLK_DEV_SR is not set 12.201 -CONFIG_CHR_DEV_SG=y 12.202 - 12.203 -# 12.204 -# Some SCSI devices (e.g. CD jukebox) support multiple LUNs 12.205 -# 12.206 -# CONFIG_SCSI_DEBUG_QUEUES is not set 12.207 -# CONFIG_SCSI_MULTI_LUN is not set 12.208 -# CONFIG_SCSI_CONSTANTS is not set 12.209 -# CONFIG_SCSI_LOGGING is not set 12.210 - 12.211 -# 12.212 -# SCSI low-level drivers 12.213 -# 12.214 -# CONFIG_SCSI_7000FASST is not set 12.215 -# CONFIG_SCSI_ACARD is not set 12.216 -# CONFIG_SCSI_AHA152X is not set 12.217 -# CONFIG_SCSI_AHA1542 is not set 12.218 -# CONFIG_SCSI_AHA1740 is not set 12.219 -# CONFIG_SCSI_AACRAID is not set 12.220 -# CONFIG_SCSI_AIC7XXX is not set 12.221 -# CONFIG_SCSI_AIC79XX is not set 12.222 -# CONFIG_SCSI_AIC7XXX_OLD is not set 12.223 -# CONFIG_SCSI_DPT_I2O is not set 12.224 -# CONFIG_SCSI_ADVANSYS is not set 12.225 -# CONFIG_SCSI_IN2000 is not set 12.226 -# CONFIG_SCSI_AM53C974 is not set 12.227 -# CONFIG_SCSI_MEGARAID is not set 12.228 -# CONFIG_SCSI_MEGARAID2 is not set 12.229 -# CONFIG_SCSI_SATA is not set 12.230 -# CONFIG_SCSI_SATA_AHCI is not set 12.231 -# CONFIG_SCSI_SATA_SVW is not set 12.232 -# CONFIG_SCSI_ATA_PIIX is not set 12.233 -# CONFIG_SCSI_SATA_NV is not set 12.234 -# CONFIG_SCSI_SATA_QSTOR is not set 12.235 -# CONFIG_SCSI_SATA_PROMISE is not set 12.236 -# CONFIG_SCSI_SATA_SX4 is not set 12.237 -# CONFIG_SCSI_SATA_SIL is not set 12.238 -# CONFIG_SCSI_SATA_SIS is not set 12.239 -# CONFIG_SCSI_SATA_ULI is not set 12.240 -# CONFIG_SCSI_SATA_VIA is not set 12.241 -# CONFIG_SCSI_SATA_VITESSE is not set 12.242 -# CONFIG_SCSI_BUSLOGIC is not set 12.243 -# CONFIG_SCSI_DMX3191D is not set 12.244 -# CONFIG_SCSI_DTC3280 is not set 12.245 -# CONFIG_SCSI_EATA is not set 12.246 -# CONFIG_SCSI_EATA_DMA is not set 12.247 -# CONFIG_SCSI_EATA_PIO is not set 12.248 -# CONFIG_SCSI_FUTURE_DOMAIN is not set 12.249 -# CONFIG_SCSI_GDTH is not set 12.250 -# CONFIG_SCSI_GENERIC_NCR5380 is not set 12.251 -# CONFIG_SCSI_IPS is not set 12.252 -# CONFIG_SCSI_INITIO is not set 12.253 -# CONFIG_SCSI_INIA100 is not set 12.254 -# CONFIG_SCSI_PPA is not set 12.255 -# CONFIG_SCSI_IMM is not set 12.256 -# CONFIG_SCSI_NCR53C406A is not set 12.257 -# CONFIG_SCSI_NCR53C7xx is not set 12.258 -# CONFIG_SCSI_PAS16 is not set 12.259 -# CONFIG_SCSI_PCI2000 is not set 12.260 -# CONFIG_SCSI_PCI2220I is not set 12.261 -# CONFIG_SCSI_PSI240I is not set 12.262 -# CONFIG_SCSI_QLOGIC_FAS is not set 12.263 -# CONFIG_SCSI_SEAGATE is not set 12.264 -# CONFIG_SCSI_SIM710 is not set 12.265 -# CONFIG_SCSI_SYM53C416 is not set 12.266 -# CONFIG_SCSI_T128 is not set 12.267 -# CONFIG_SCSI_U14_34F is not set 12.268 -# CONFIG_SCSI_ULTRASTOR is not set 12.269 -# CONFIG_SCSI_NSP32 is not set 12.270 -# CONFIG_SCSI_DEBUG is not set 12.271 - 12.272 -# 12.273 -# Block devices 12.274 -# 12.275 -CONFIG_BLK_DEV_LOOP=y 12.276 -CONFIG_BLK_DEV_NBD=y 12.277 -CONFIG_BLK_DEV_RAM=y 12.278 -CONFIG_BLK_DEV_RAM_SIZE=4096 12.279 -CONFIG_BLK_DEV_INITRD=y 12.280 -# CONFIG_BLK_STATS is not set 12.281 -# CONFIG_BLK_DEV_HD is not set 12.282 - 12.283 -# 12.284 -# Character devices 12.285 -# 12.286 -# CONFIG_VT is not set 12.287 -# CONFIG_SERIAL is not set 12.288 -# CONFIG_SERIAL_EXTENDED is not set 12.289 -# CONFIG_SERIAL_NONSTANDARD is not set 12.290 -CONFIG_UNIX98_PTYS=y 12.291 -CONFIG_UNIX98_PTY_COUNT=256 12.292 -# CONFIG_PRINTER is not set 12.293 -# CONFIG_PPDEV is not set 12.294 -# CONFIG_TIPAR is not set 12.295 - 12.296 -# 12.297 -# I2C support 12.298 -# 12.299 -# CONFIG_I2C is not set 12.300 - 12.301 -# 12.302 -# Mice 12.303 -# 12.304 -# CONFIG_BUSMOUSE is not set 12.305 -CONFIG_MOUSE=y 12.306 -CONFIG_PSMOUSE=y 12.307 -# CONFIG_82C710_MOUSE is not set 12.308 -# CONFIG_PC110_PAD is not set 12.309 -# CONFIG_MK712_MOUSE is not set 12.310 - 12.311 -# 12.312 -# Joysticks 12.313 -# 12.314 -# CONFIG_INPUT_GAMEPORT is not set 12.315 -# CONFIG_INPUT_NS558 is not set 12.316 -# CONFIG_INPUT_LIGHTNING is not set 12.317 -# CONFIG_INPUT_PCIGAME is not set 12.318 -# CONFIG_INPUT_CS461X is not set 12.319 -# CONFIG_INPUT_EMU10K1 is not set 12.320 -# CONFIG_INPUT_SERIO is not set 12.321 -# CONFIG_INPUT_SERPORT is not set 12.322 - 12.323 -# 12.324 -# Joysticks 12.325 -# 12.326 -# CONFIG_INPUT_ANALOG is not set 12.327 -# CONFIG_INPUT_A3D is not set 12.328 -# CONFIG_INPUT_ADI is not set 12.329 -# CONFIG_INPUT_COBRA is not set 12.330 -# CONFIG_INPUT_GF2K is not set 12.331 -# CONFIG_INPUT_GRIP is not set 12.332 -# CONFIG_INPUT_INTERACT is not set 12.333 -# CONFIG_INPUT_TMDC is not set 12.334 -# CONFIG_INPUT_SIDEWINDER is not set 12.335 -# CONFIG_INPUT_IFORCE_USB is not set 12.336 -# CONFIG_INPUT_IFORCE_232 is not set 12.337 -# CONFIG_INPUT_WARRIOR is not set 12.338 -# CONFIG_INPUT_MAGELLAN is not set 12.339 -# CONFIG_INPUT_SPACEORB is not set 12.340 -# CONFIG_INPUT_SPACEBALL is not set 12.341 -# CONFIG_INPUT_STINGER is not set 12.342 -# CONFIG_INPUT_DB9 is not set 12.343 -# CONFIG_INPUT_GAMECON is not set 12.344 -# CONFIG_INPUT_TURBOGRAFX is not set 12.345 -# CONFIG_QIC02_TAPE is not set 12.346 -# CONFIG_IPMI_HANDLER is not set 12.347 -# CONFIG_IPMI_PANIC_EVENT is not set 12.348 -# CONFIG_IPMI_DEVICE_INTERFACE is not set 12.349 -# CONFIG_IPMI_KCS is not set 12.350 -# CONFIG_IPMI_WATCHDOG is not set 12.351 - 12.352 -# 12.353 -# Watchdog Cards 12.354 -# 12.355 -# CONFIG_WATCHDOG is not set 12.356 -# CONFIG_SCx200 is not set 12.357 -# CONFIG_SCx200_GPIO is not set 12.358 -# CONFIG_AMD_RNG is not set 12.359 -# CONFIG_INTEL_RNG is not set 12.360 -# CONFIG_HW_RANDOM is not set 12.361 -# CONFIG_AMD_PM768 is not set 12.362 -# CONFIG_NVRAM is not set 12.363 -# CONFIG_RTC is not set 12.364 -# CONFIG_DTLK is not set 12.365 -# CONFIG_R3964 is not set 12.366 -# CONFIG_APPLICOM is not set 12.367 -# CONFIG_SONYPI is not set 12.368 - 12.369 -# 12.370 -# Ftape, the floppy tape device driver 12.371 -# 12.372 -# CONFIG_FTAPE is not set 12.373 -# CONFIG_AGP is not set 12.374 - 12.375 -# 12.376 -# Direct Rendering Manager (XFree86 DRI support) 12.377 -# 12.378 -# CONFIG_DRM is not set 12.379 -# CONFIG_MWAVE is not set 12.380 -# CONFIG_OBMOUSE is not set 12.381 - 12.382 -# 12.383 -# File systems 12.384 -# 12.385 -# CONFIG_QUOTA is not set 12.386 -# CONFIG_QFMT_V2 is not set 12.387 -CONFIG_AUTOFS_FS=y 12.388 -CONFIG_AUTOFS4_FS=y 12.389 -# CONFIG_REISERFS_FS is not set 12.390 -# CONFIG_REISERFS_CHECK is not set 12.391 -# CONFIG_REISERFS_PROC_INFO is not set 12.392 -# CONFIG_ADFS_FS is not set 12.393 -# CONFIG_ADFS_FS_RW is not set 12.394 -# CONFIG_AFFS_FS is not set 12.395 -# CONFIG_HFS_FS is not set 12.396 -# CONFIG_HFSPLUS_FS is not set 12.397 -# CONFIG_BEFS_FS is not set 12.398 -# CONFIG_BEFS_DEBUG is not set 12.399 -# CONFIG_BFS_FS is not set 12.400 -CONFIG_EXT3_FS=y 12.401 -CONFIG_JBD=y 12.402 -# CONFIG_JBD_DEBUG is not set 12.403 -CONFIG_FAT_FS=y 12.404 -CONFIG_MSDOS_FS=y 12.405 -CONFIG_UMSDOS_FS=y 12.406 -CONFIG_VFAT_FS=y 12.407 -# CONFIG_EFS_FS is not set 12.408 -# CONFIG_JFFS_FS is not set 12.409 -# CONFIG_JFFS2_FS is not set 12.410 -# CONFIG_CRAMFS is not set 12.411 -CONFIG_TMPFS=y 12.412 -CONFIG_RAMFS=y 12.413 -CONFIG_ISO9660_FS=y 12.414 -CONFIG_JOLIET=y 12.415 -CONFIG_ZISOFS=y 12.416 -# CONFIG_JFS_FS is not set 12.417 -# CONFIG_JFS_DEBUG is not set 12.418 -# CONFIG_JFS_STATISTICS is not set 12.419 -# CONFIG_MINIX_FS is not set 12.420 -# CONFIG_VXFS_FS is not set 12.421 -# CONFIG_NTFS_FS is not set 12.422 -# CONFIG_NTFS_RW is not set 12.423 -# CONFIG_HPFS_FS is not set 12.424 -CONFIG_PROC_FS=y 12.425 -# CONFIG_DEVFS_FS is not set 12.426 -# CONFIG_DEVFS_MOUNT is not set 12.427 -# CONFIG_DEVFS_DEBUG is not set 12.428 -CONFIG_DEVPTS_FS=y 12.429 -# CONFIG_QNX4FS_FS is not set 12.430 -# CONFIG_QNX4FS_RW is not set 12.431 -# CONFIG_ROMFS_FS is not set 12.432 -CONFIG_EXT2_FS=y 12.433 -# CONFIG_SYSV_FS is not set 12.434 -# CONFIG_UDF_FS is not set 12.435 -# CONFIG_UDF_RW is not set 12.436 -# CONFIG_UFS_FS is not set 12.437 -# CONFIG_UFS_FS_WRITE is not set 12.438 -# CONFIG_XFS_FS is not set 12.439 -# CONFIG_XFS_QUOTA is not set 12.440 -# CONFIG_XFS_RT is not set 12.441 -# CONFIG_XFS_TRACE is not set 12.442 -# CONFIG_XFS_DEBUG is not set 12.443 - 12.444 -# 12.445 -# Network File Systems 12.446 -# 12.447 -# CONFIG_CODA_FS is not set 12.448 -# CONFIG_INTERMEZZO_FS is not set 12.449 -CONFIG_NFS_FS=y 12.450 -CONFIG_NFS_V3=y 12.451 -# CONFIG_NFS_DIRECTIO is not set 12.452 -CONFIG_ROOT_NFS=y 12.453 -CONFIG_NFSD=y 12.454 -CONFIG_NFSD_V3=y 12.455 -# CONFIG_NFSD_TCP is not set 12.456 -CONFIG_SUNRPC=y 12.457 -CONFIG_LOCKD=y 12.458 -CONFIG_LOCKD_V4=y 12.459 -# CONFIG_SMB_FS is not set 12.460 -# CONFIG_NCP_FS is not set 12.461 -# CONFIG_NCPFS_PACKET_SIGNING is not set 12.462 -# CONFIG_NCPFS_IOCTL_LOCKING is not set 12.463 -# CONFIG_NCPFS_STRONG is not set 12.464 -# CONFIG_NCPFS_NFS_NS is not set 12.465 -# CONFIG_NCPFS_OS2_NS is not set 12.466 -# CONFIG_NCPFS_SMALLDOS is not set 12.467 -# CONFIG_NCPFS_NLS is not set 12.468 -# CONFIG_NCPFS_EXTRAS is not set 12.469 -CONFIG_ZISOFS_FS=y 12.470 - 12.471 -# 12.472 -# Partition Types 12.473 -# 12.474 -CONFIG_PARTITION_ADVANCED=y 12.475 -# CONFIG_ACORN_PARTITION is not set 12.476 -# CONFIG_OSF_PARTITION is not set 12.477 -# CONFIG_AMIGA_PARTITION is not set 12.478 -# CONFIG_ATARI_PARTITION is not set 12.479 -# CONFIG_MAC_PARTITION is not set 12.480 -CONFIG_MSDOS_PARTITION=y 12.481 -# CONFIG_BSD_DISKLABEL is not set 12.482 -# CONFIG_MINIX_SUBPARTITION is not set 12.483 -# CONFIG_SOLARIS_X86_PARTITION is not set 12.484 -# CONFIG_UNIXWARE_DISKLABEL is not set 12.485 -# CONFIG_LDM_PARTITION is not set 12.486 -# CONFIG_SGI_PARTITION is not set 12.487 -# CONFIG_ULTRIX_PARTITION is not set 12.488 -# CONFIG_SUN_PARTITION is not set 12.489 -# CONFIG_EFI_PARTITION is not set 12.490 -# CONFIG_SMB_NLS is not set 12.491 -CONFIG_NLS=y 12.492 - 12.493 -# 12.494 -# Native Language Support 12.495 -# 12.496 -CONFIG_NLS_DEFAULT="iso8559-1" 12.497 -# CONFIG_NLS_CODEPAGE_437 is not set 12.498 -# CONFIG_NLS_CODEPAGE_737 is not set 12.499 -# CONFIG_NLS_CODEPAGE_775 is not set 12.500 -# CONFIG_NLS_CODEPAGE_850 is not set 12.501 -# CONFIG_NLS_CODEPAGE_852 is not set 12.502 -# CONFIG_NLS_CODEPAGE_855 is not set 12.503 -# CONFIG_NLS_CODEPAGE_857 is not set 12.504 -# CONFIG_NLS_CODEPAGE_860 is not set 12.505 -# CONFIG_NLS_CODEPAGE_861 is not set 12.506 -# CONFIG_NLS_CODEPAGE_862 is not set 12.507 -# CONFIG_NLS_CODEPAGE_863 is not set 12.508 -# CONFIG_NLS_CODEPAGE_864 is not set 12.509 -# CONFIG_NLS_CODEPAGE_865 is not set 12.510 -# CONFIG_NLS_CODEPAGE_866 is not set 12.511 -# CONFIG_NLS_CODEPAGE_869 is not set 12.512 -# CONFIG_NLS_CODEPAGE_936 is not set 12.513 -# CONFIG_NLS_CODEPAGE_950 is not set 12.514 -# CONFIG_NLS_CODEPAGE_932 is not set 12.515 -# CONFIG_NLS_CODEPAGE_949 is not set 12.516 -# CONFIG_NLS_CODEPAGE_874 is not set 12.517 -# CONFIG_NLS_ISO8859_8 is not set 12.518 -# CONFIG_NLS_CODEPAGE_1250 is not set 12.519 -# CONFIG_NLS_CODEPAGE_1251 is not set 12.520 -CONFIG_NLS_ISO8859_1=y 12.521 -# CONFIG_NLS_ISO8859_2 is not set 12.522 -# CONFIG_NLS_ISO8859_3 is not set 12.523 -# CONFIG_NLS_ISO8859_4 is not set 12.524 -# CONFIG_NLS_ISO8859_5 is not set 12.525 -# CONFIG_NLS_ISO8859_6 is not set 12.526 -# CONFIG_NLS_ISO8859_7 is not set 12.527 -# CONFIG_NLS_ISO8859_9 is not set 12.528 -# CONFIG_NLS_ISO8859_13 is not set 12.529 -# CONFIG_NLS_ISO8859_14 is not set 12.530 -# CONFIG_NLS_ISO8859_15 is not set 12.531 -# CONFIG_NLS_KOI8_R is not set 12.532 -# CONFIG_NLS_KOI8_U is not set 12.533 -# CONFIG_NLS_UTF8 is not set 12.534 - 12.535 -# 12.536 -# Console drivers 12.537 -# 12.538 -CONFIG_XEN_CONSOLE=y 12.539 - 12.540 -# 12.541 -# Kernel hacking 12.542 -# 12.543 -CONFIG_DEBUG_KERNEL=y 12.544 -# CONFIG_DEBUG_STACKOVERFLOW is not set 12.545 -# CONFIG_DEBUG_HIGHMEM is not set 12.546 -# CONFIG_DEBUG_SLAB is not set 12.547 -# CONFIG_DEBUG_IOVIRT is not set 12.548 -# CONFIG_MAGIC_SYSRQ is not set 12.549 -# CONFIG_DEBUG_SPINLOCK is not set 12.550 -# CONFIG_DEBUG_BUGVERBOSE is not set 12.551 -CONFIG_KALLSYMS=y 12.552 -# CONFIG_FRAME_POINTER is not set 12.553 -CONFIG_LOG_BUF_SHIFT=0 12.554 - 12.555 -# 12.556 -# Cryptographic options 12.557 -# 12.558 -# CONFIG_CRYPTO is not set 12.559 - 12.560 -# 12.561 -# Library routines 12.562 -# 12.563 -# CONFIG_CRC32 is not set 12.564 -CONFIG_ZLIB_INFLATE=y 12.565 -# CONFIG_ZLIB_DEFLATE is not set
13.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/balloon/Makefile Fri Oct 07 23:22:35 2005 +0100 13.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 13.3 @@ -1,4 +0,0 @@ 13.4 -O_TARGET := drv.o 13.5 -export-objs := balloon.o 13.6 -obj-y := balloon.o 13.7 -include $(TOPDIR)/Rules.make
14.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/blkif/Makefile Fri Oct 07 23:22:35 2005 +0100 14.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 14.3 @@ -1,10 +0,0 @@ 14.4 - 14.5 -O_TARGET := drv.o 14.6 - 14.7 -subdir-$(CONFIG_XEN_BLKDEV_FRONTEND) += frontend 14.8 -obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += frontend/drv.o 14.9 - 14.10 -subdir-$(CONFIG_XEN_PHYSDEV_ACCESS) += backend 14.11 -obj-$(CONFIG_XEN_PHYSDEV_ACCESS) += backend/drv.o 14.12 - 14.13 -include $(TOPDIR)/Rules.make
15.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/blkif/backend/Makefile Fri Oct 07 23:22:35 2005 +0100 15.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 15.3 @@ -1,3 +0,0 @@ 15.4 -O_TARGET := drv.o 15.5 -obj-y := main.o control.o interface.o vbd.o 15.6 -include $(TOPDIR)/Rules.make
16.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/blkif/frontend/Makefile Fri Oct 07 23:22:35 2005 +0100 16.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 16.3 @@ -1,3 +0,0 @@ 16.4 -O_TARGET := drv.o 16.5 -obj-y := blkfront.o vbd.o 16.6 -include $(TOPDIR)/Rules.make
17.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/blkif/frontend/common.h Fri Oct 07 23:22:35 2005 +0100 17.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 17.3 @@ -1,93 +0,0 @@ 17.4 -/****************************************************************************** 17.5 - * arch/xen/drivers/blkif/frontend/common.h 17.6 - * 17.7 - * Shared definitions between all levels of XenoLinux Virtual block devices. 17.8 - */ 17.9 - 17.10 -#ifndef __XEN_DRIVERS_COMMON_H__ 17.11 -#define __XEN_DRIVERS_COMMON_H__ 17.12 - 17.13 -#include <linux/config.h> 17.14 -#include <linux/module.h> 17.15 -#include <linux/kernel.h> 17.16 -#include <linux/sched.h> 17.17 -#include <linux/slab.h> 17.18 -#include <linux/string.h> 17.19 -#include <linux/errno.h> 17.20 -#include <linux/fs.h> 17.21 -#include <linux/hdreg.h> 17.22 -#include <linux/blkdev.h> 17.23 -#include <linux/major.h> 17.24 -#include <asm-xen/xen-public/xen.h> 17.25 -#include <asm/io.h> 17.26 -#include <asm/atomic.h> 17.27 -#include <asm/uaccess.h> 17.28 -#include <asm-xen/xen-public/io/blkif.h> 17.29 - 17.30 -#if 1 17.31 -#define IPRINTK(fmt, args...) \ 17.32 - printk(KERN_INFO "xen_blk: " fmt, ##args) 17.33 -#else 17.34 -#define IPRINTK(fmt, args...) ((void)0) 17.35 -#endif 17.36 - 17.37 -#if 1 17.38 -#define WPRINTK(fmt, args...) \ 17.39 - printk(KERN_WARNING "xen_blk: " fmt, ##args) 17.40 -#else 17.41 -#define WPRINTK(fmt, args...) ((void)0) 17.42 -#endif 17.43 - 17.44 -#if 0 17.45 -#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a ) 17.46 -#else 17.47 -#define DPRINTK(_f, _a...) ((void)0) 17.48 -#endif 17.49 - 17.50 -#if 0 17.51 -#define DPRINTK_IOCTL(_f, _a...) printk ( KERN_ALERT _f , ## _a ) 17.52 -#else 17.53 -#define DPRINTK_IOCTL(_f, _a...) ((void)0) 17.54 -#endif 17.55 - 17.56 -/* Private gendisk->flags[] values. */ 17.57 -#define GENHD_FL_XEN 2 /* Is unit a Xen block device? */ 17.58 -#define GENHD_FL_VIRT_PARTNS 4 /* Are unit partitions virtual? */ 17.59 - 17.60 -/* 17.61 - * We have one of these per vbd, whether ide, scsi or 'other'. 17.62 - * They hang in an array off the gendisk structure. We may end up putting 17.63 - * all kinds of interesting stuff here :-) 17.64 - */ 17.65 -typedef struct xl_disk { 17.66 - int usage; 17.67 -} xl_disk_t; 17.68 - 17.69 -extern int blkif_open(struct inode *inode, struct file *filep); 17.70 -extern int blkif_release(struct inode *inode, struct file *filep); 17.71 -extern int blkif_ioctl(struct inode *inode, struct file *filep, 17.72 - unsigned command, unsigned long argument); 17.73 -extern int blkif_check(kdev_t dev); 17.74 -extern int blkif_revalidate(kdev_t dev); 17.75 -extern void blkif_control_send(blkif_request_t *req, blkif_response_t *rsp); 17.76 -extern void do_blkif_request (request_queue_t *rq); 17.77 - 17.78 -extern void xlvbd_update_vbds(void); 17.79 - 17.80 -static inline xl_disk_t *xldev_to_xldisk(kdev_t xldev) 17.81 -{ 17.82 - struct gendisk *gd = get_gendisk(xldev); 17.83 - 17.84 - if ( gd == NULL ) 17.85 - return NULL; 17.86 - 17.87 - return (xl_disk_t *)gd->real_devices + 17.88 - (MINOR(xldev) >> gd->minor_shift); 17.89 -} 17.90 - 17.91 - 17.92 -/* Virtual block-device subsystem. */ 17.93 -extern int xlvbd_init(void); 17.94 -extern void xlvbd_cleanup(void); 17.95 - 17.96 -#endif /* __XEN_DRIVERS_COMMON_H__ */
18.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/blkif/frontend/vbd.c Fri Oct 07 23:22:35 2005 +0100 18.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 18.3 @@ -1,540 +0,0 @@ 18.4 -/****************************************************************************** 18.5 - * arch/xen/drivers/blkif/frontend/vbd.c 18.6 - * 18.7 - * Xenolinux virtual block-device driver. 18.8 - * 18.9 - * Copyright (c) 2003-2004, Keir Fraser & Steve Hand 18.10 - * Modifications by Mark A. Williamson are (c) Intel Research Cambridge 18.11 - */ 18.12 - 18.13 -#include "common.h" 18.14 -#include <linux/blk.h> 18.15 - 18.16 -/* 18.17 - * For convenience we distinguish between ide, scsi and 'other' (i.e. 18.18 - * potentially combinations of the two) in the naming scheme and in a few 18.19 - * other places (like default readahead, etc). 18.20 - */ 18.21 -#define XLIDE_MAJOR_NAME "hd" 18.22 -#define XLSCSI_MAJOR_NAME "sd" 18.23 -#define XLVBD_MAJOR_NAME "xvd" 18.24 - 18.25 -#define XLIDE_DEVS_PER_MAJOR 2 18.26 -#define XLSCSI_DEVS_PER_MAJOR 16 18.27 -#define XLVBD_DEVS_PER_MAJOR 16 18.28 - 18.29 -#define XLIDE_PARTN_SHIFT 6 /* amount to shift minor to get 'real' minor */ 18.30 -#define XLIDE_MAX_PART (1 << XLIDE_PARTN_SHIFT) /* minors per ide vbd */ 18.31 - 18.32 -#define XLSCSI_PARTN_SHIFT 4 /* amount to shift minor to get 'real' minor */ 18.33 -#define XLSCSI_MAX_PART (1 << XLSCSI_PARTN_SHIFT) /* minors per scsi vbd */ 18.34 - 18.35 -#define XLVBD_PARTN_SHIFT 4 /* amount to shift minor to get 'real' minor */ 18.36 -#define XLVBD_MAX_PART (1 << XLVBD_PARTN_SHIFT) /* minors per 'other' vbd */ 18.37 - 18.38 -/* The below are for the generic drivers/block/ll_rw_block.c code. */ 18.39 -static int xlide_blksize_size[256]; 18.40 -static int xlide_hardsect_size[256]; 18.41 -static int xlide_max_sectors[256]; 18.42 -static int xlscsi_blksize_size[256]; 18.43 -static int xlscsi_hardsect_size[256]; 18.44 -static int xlscsi_max_sectors[256]; 18.45 -static int xlvbd_blksize_size[256]; 18.46 -static int xlvbd_hardsect_size[256]; 18.47 -static int xlvbd_max_sectors[256]; 18.48 - 18.49 -/* Information about our VBDs. */ 18.50 -#define MAX_VBDS 64 18.51 -static int nr_vbds; 18.52 -static vdisk_t *vbd_info; 18.53 - 18.54 -static struct block_device_operations xlvbd_block_fops = 18.55 -{ 18.56 - open: blkif_open, 18.57 - release: blkif_release, 18.58 - ioctl: blkif_ioctl, 18.59 - check_media_change: blkif_check, 18.60 - revalidate: blkif_revalidate, 18.61 -}; 18.62 - 18.63 -static int xlvbd_get_vbd_info(vdisk_t *disk_info) 18.64 -{ 18.65 - vdisk_t *buf = (vdisk_t *)__get_free_page(GFP_KERNEL); 18.66 - blkif_request_t req; 18.67 - blkif_response_t rsp; 18.68 - int nr; 18.69 - 18.70 - memset(&req, 0, sizeof(req)); 18.71 - req.operation = BLKIF_OP_PROBE; 18.72 - req.nr_segments = 1; 18.73 -#ifdef CONFIG_XEN_BLKDEV_GRANT 18.74 - blkif_control_probe_send(&req, &rsp, 18.75 - (unsigned long)(virt_to_machine(buf))); 18.76 -#else 18.77 - req.frame_and_sects[0] = virt_to_machine(buf) | 7; 18.78 - 18.79 - blkif_control_send(&req, &rsp); 18.80 -#endif 18.81 - 18.82 - if ( rsp.status <= 0 ) 18.83 - { 18.84 - printk(KERN_ALERT "Could not probe disks (%d)\n", rsp.status); 18.85 - return -1; 18.86 - } 18.87 - 18.88 - if ( (nr = rsp.status) > MAX_VBDS ) 18.89 - nr = MAX_VBDS; 18.90 - memcpy(disk_info, buf, nr * sizeof(vdisk_t)); 18.91 - 18.92 - return nr; 18.93 -} 18.94 - 18.95 -/* 18.96 - * xlvbd_init_device - initialise a VBD device 18.97 - * @disk: a vdisk_t describing the VBD 18.98 - * 18.99 - * Takes a vdisk_t * that describes a VBD the domain has access to. 18.100 - * Performs appropriate initialisation and registration of the device. 18.101 - * 18.102 - * Care needs to be taken when making re-entrant calls to ensure that 18.103 - * corruption does not occur. Also, devices that are in use should not have 18.104 - * their details updated. This is the caller's responsibility. 18.105 - */ 18.106 -static int xlvbd_init_device(vdisk_t *xd) 18.107 -{ 18.108 - int device = xd->device; 18.109 - int major = MAJOR(device); 18.110 - int minor = MINOR(device); 18.111 - int is_ide = IDE_DISK_MAJOR(major); /* is this an ide device? */ 18.112 - int is_scsi= SCSI_BLK_MAJOR(major); /* is this a scsi device? */ 18.113 - char *major_name; 18.114 - struct gendisk *gd; 18.115 - struct block_device *bd; 18.116 - xl_disk_t *disk; 18.117 - int i, rc = 0, max_part, partno; 18.118 - unsigned long capacity; 18.119 - 18.120 - unsigned char buf[64]; 18.121 - 18.122 - if ( (bd = bdget(device)) == NULL ) 18.123 - return -1; 18.124 - 18.125 - if ( ((disk = xldev_to_xldisk(device)) != NULL) && (disk->usage != 0) ) 18.126 - { 18.127 - printk(KERN_ALERT "VBD update failed - in use [dev=%x]\n", device); 18.128 - rc = -1; 18.129 - goto out; 18.130 - } 18.131 - 18.132 - if ( is_ide ) { 18.133 - 18.134 - major_name = XLIDE_MAJOR_NAME; 18.135 - max_part = XLIDE_MAX_PART; 18.136 - 18.137 - } else if ( is_scsi ) { 18.138 - 18.139 - major_name = XLSCSI_MAJOR_NAME; 18.140 - max_part = XLSCSI_MAX_PART; 18.141 - 18.142 - } else { 18.143 - 18.144 - /* SMH: hmm - probably a CCISS driver or sim; assume CCISS for now */ 18.145 - printk(KERN_ALERT "Assuming device %02x:%02x is CCISS/SCSI\n", 18.146 - major, minor); 18.147 - is_scsi = 1; 18.148 - major_name = "cciss"; 18.149 - max_part = XLSCSI_MAX_PART; 18.150 - 18.151 - } 18.152 - 18.153 - partno = minor & (max_part - 1); 18.154 - 18.155 - if ( (gd = get_gendisk(device)) == NULL ) 18.156 - { 18.157 - rc = register_blkdev(major, major_name, &xlvbd_block_fops); 18.158 - if ( rc < 0 ) 18.159 - { 18.160 - printk(KERN_ALERT "XL VBD: can't get major %d\n", major); 18.161 - goto out; 18.162 - } 18.163 - 18.164 - if ( is_ide ) 18.165 - { 18.166 - blksize_size[major] = xlide_blksize_size; 18.167 - hardsect_size[major] = xlide_hardsect_size; 18.168 - max_sectors[major] = xlide_max_sectors; 18.169 - read_ahead[major] = 8; 18.170 - } 18.171 - else if ( is_scsi ) 18.172 - { 18.173 - blksize_size[major] = xlscsi_blksize_size; 18.174 - hardsect_size[major] = xlscsi_hardsect_size; 18.175 - max_sectors[major] = xlscsi_max_sectors; 18.176 - read_ahead[major] = 8; 18.177 - } 18.178 - else 18.179 - { 18.180 - blksize_size[major] = xlvbd_blksize_size; 18.181 - hardsect_size[major] = xlvbd_hardsect_size; 18.182 - max_sectors[major] = xlvbd_max_sectors; 18.183 - read_ahead[major] = 8; 18.184 - } 18.185 - 18.186 - blk_init_queue(BLK_DEFAULT_QUEUE(major), do_blkif_request); 18.187 - 18.188 - /* 18.189 - * Turn off barking 'headactive' mode. We dequeue buffer heads as 18.190 - * soon as we pass them to the back-end driver. 18.191 - */ 18.192 - blk_queue_headactive(BLK_DEFAULT_QUEUE(major), 0); 18.193 - 18.194 - /* Construct an appropriate gendisk structure. */ 18.195 - gd = kmalloc(sizeof(struct gendisk), GFP_KERNEL); 18.196 - gd->major = major; 18.197 - gd->major_name = major_name; 18.198 - 18.199 - gd->max_p = max_part; 18.200 - if ( is_ide ) 18.201 - { 18.202 - gd->minor_shift = XLIDE_PARTN_SHIFT; 18.203 - gd->nr_real = XLIDE_DEVS_PER_MAJOR; 18.204 - } 18.205 - else if ( is_scsi ) 18.206 - { 18.207 - gd->minor_shift = XLSCSI_PARTN_SHIFT; 18.208 - gd->nr_real = XLSCSI_DEVS_PER_MAJOR; 18.209 - } 18.210 - else 18.211 - { 18.212 - gd->minor_shift = XLVBD_PARTN_SHIFT; 18.213 - gd->nr_real = XLVBD_DEVS_PER_MAJOR; 18.214 - } 18.215 - 18.216 - /* 18.217 - ** The sizes[] and part[] arrays hold the sizes and other 18.218 - ** information about every partition with this 'major' (i.e. 18.219 - ** every disk sharing the 8 bit prefix * max partns per disk) 18.220 - */ 18.221 - gd->sizes = kmalloc(max_part*gd->nr_real*sizeof(int), GFP_KERNEL); 18.222 - gd->part = kmalloc(max_part*gd->nr_real*sizeof(struct hd_struct), 18.223 - GFP_KERNEL); 18.224 - memset(gd->sizes, 0, max_part * gd->nr_real * sizeof(int)); 18.225 - memset(gd->part, 0, max_part * gd->nr_real 18.226 - * sizeof(struct hd_struct)); 18.227 - 18.228 - 18.229 - gd->real_devices = kmalloc(gd->nr_real * sizeof(xl_disk_t), 18.230 - GFP_KERNEL); 18.231 - memset(gd->real_devices, 0, gd->nr_real * sizeof(xl_disk_t)); 18.232 - 18.233 - gd->next = NULL; 18.234 - gd->fops = &xlvbd_block_fops; 18.235 - 18.236 - gd->de_arr = kmalloc(gd->nr_real * sizeof(*gd->de_arr), 18.237 - GFP_KERNEL); 18.238 - gd->flags = kmalloc(gd->nr_real * sizeof(*gd->flags), GFP_KERNEL); 18.239 - 18.240 - memset(gd->de_arr, 0, gd->nr_real * sizeof(*gd->de_arr)); 18.241 - memset(gd->flags, 0, gd->nr_real * sizeof(*gd->flags)); 18.242 - 18.243 - add_gendisk(gd); 18.244 - 18.245 - blk_size[major] = gd->sizes; 18.246 - } 18.247 - 18.248 - if ( xd->info & VDISK_READONLY ) 18.249 - set_device_ro(device, 1); 18.250 - 18.251 - gd->flags[minor >> gd->minor_shift] |= GENHD_FL_XEN; 18.252 - 18.253 - /* NB. Linux 2.4 only handles 32-bit sector offsets and capacities. */ 18.254 - capacity = (unsigned long)xd->capacity; 18.255 - 18.256 - if ( partno != 0 ) 18.257 - { 18.258 - /* 18.259 - * If this was previously set up as a real disc we will have set 18.260 - * up partition-table information. Virtual partitions override 18.261 - * 'real' partitions, and the two cannot coexist on a device. 18.262 - */ 18.263 - if ( !(gd->flags[minor >> gd->minor_shift] & GENHD_FL_VIRT_PARTNS) && 18.264 - (gd->sizes[minor & ~(max_part-1)] != 0) ) 18.265 - { 18.266 - /* 18.267 - * Any non-zero sub-partition entries must be cleaned out before 18.268 - * installing 'virtual' partition entries. The two types cannot 18.269 - * coexist, and virtual partitions are favoured. 18.270 - */ 18.271 - kdev_t dev = device & ~(max_part-1); 18.272 - for ( i = max_part - 1; i > 0; i-- ) 18.273 - { 18.274 - invalidate_device(dev+i, 1); 18.275 - gd->part[MINOR(dev+i)].start_sect = 0; 18.276 - gd->part[MINOR(dev+i)].nr_sects = 0; 18.277 - gd->sizes[MINOR(dev+i)] = 0; 18.278 - } 18.279 - printk(KERN_ALERT 18.280 - "Virtual partitions found for /dev/%s - ignoring any " 18.281 - "real partition information we may have found.\n", 18.282 - disk_name(gd, MINOR(device), buf)); 18.283 - } 18.284 - 18.285 - /* Need to skankily setup 'partition' information */ 18.286 - gd->part[minor].start_sect = 0; 18.287 - gd->part[minor].nr_sects = capacity; 18.288 - gd->sizes[minor] = capacity >>(BLOCK_SIZE_BITS-9); 18.289 - 18.290 - gd->flags[minor >> gd->minor_shift] |= GENHD_FL_VIRT_PARTNS; 18.291 - } 18.292 - else 18.293 - { 18.294 - gd->part[minor].nr_sects = capacity; 18.295 - gd->sizes[minor] = capacity>>(BLOCK_SIZE_BITS-9); 18.296 - 18.297 - /* Some final fix-ups depending on the device type */ 18.298 - if ( xd->info & VDISK_REMOVABLE ) 18.299 - { 18.300 - gd->flags[minor >> gd->minor_shift] |= GENHD_FL_REMOVABLE; 18.301 - printk(KERN_ALERT 18.302 - "Skipping partition check on %s /dev/%s\n", 18.303 - (xd->info & VDISK_CDROM) ? "cdrom" : "removable", 18.304 - disk_name(gd, MINOR(device), buf)); 18.305 - } 18.306 - else 18.307 - { 18.308 - /* Only check partitions on real discs (not virtual!). */ 18.309 - if ( gd->flags[minor>>gd->minor_shift] & GENHD_FL_VIRT_PARTNS ) 18.310 - { 18.311 - printk(KERN_ALERT 18.312 - "Skipping partition check on virtual /dev/%s\n", 18.313 - disk_name(gd, MINOR(device), buf)); 18.314 - break; 18.315 - } 18.316 - register_disk(gd, device, gd->max_p, &xlvbd_block_fops, capacity); 18.317 - } 18.318 - } 18.319 - 18.320 - out: 18.321 - bdput(bd); 18.322 - return rc; 18.323 -} 18.324 - 18.325 - 18.326 -/* 18.327 - * xlvbd_remove_device - remove a device node if possible 18.328 - * @device: numeric device ID 18.329 - * 18.330 - * Updates the gendisk structure and invalidates devices. 18.331 - * 18.332 - * This is OK for now but in future, should perhaps consider where this should 18.333 - * deallocate gendisks / unregister devices. 18.334 - */ 18.335 -static int xlvbd_remove_device(int device) 18.336 -{ 18.337 - int i, rc = 0, minor = MINOR(device); 18.338 - struct gendisk *gd; 18.339 - struct block_device *bd; 18.340 - xl_disk_t *disk = NULL; 18.341 - 18.342 - if ( (bd = bdget(device)) == NULL ) 18.343 - return -1; 18.344 - 18.345 - if ( ((gd = get_gendisk(device)) == NULL) || 18.346 - ((disk = xldev_to_xldisk(device)) == NULL) ) 18.347 - BUG(); 18.348 - 18.349 - if ( disk->usage != 0 ) 18.350 - { 18.351 - printk(KERN_ALERT "VBD removal failed - in use [dev=%x]\n", device); 18.352 - rc = -1; 18.353 - goto out; 18.354 - } 18.355 - 18.356 - if ( (minor & (gd->max_p-1)) != 0 ) 18.357 - { 18.358 - /* 1: The VBD is mapped to a partition rather than a whole unit. */ 18.359 - invalidate_device(device, 1); 18.360 - gd->part[minor].start_sect = 0; 18.361 - gd->part[minor].nr_sects = 0; 18.362 - gd->sizes[minor] = 0; 18.363 - 18.364 - /* Clear the consists-of-virtual-partitions flag if possible. */ 18.365 - gd->flags[minor >> gd->minor_shift] &= ~GENHD_FL_VIRT_PARTNS; 18.366 - for ( i = 1; i < gd->max_p; i++ ) 18.367 - if ( gd->sizes[(minor & ~(gd->max_p-1)) + i] != 0 ) 18.368 - gd->flags[minor >> gd->minor_shift] |= GENHD_FL_VIRT_PARTNS; 18.369 - 18.370 - /* 18.371 - * If all virtual partitions are now gone, and a 'whole unit' VBD is 18.372 - * present, then we can try to grok the unit's real partition table. 18.373 - */ 18.374 - if ( !(gd->flags[minor >> gd->minor_shift] & GENHD_FL_VIRT_PARTNS) && 18.375 - (gd->sizes[minor & ~(gd->max_p-1)] != 0) && 18.376 - !(gd->flags[minor >> gd->minor_shift] & GENHD_FL_REMOVABLE) ) 18.377 - { 18.378 - register_disk(gd, 18.379 - device&~(gd->max_p-1), 18.380 - gd->max_p, 18.381 - &xlvbd_block_fops, 18.382 - gd->part[minor&~(gd->max_p-1)].nr_sects); 18.383 - } 18.384 - } 18.385 - else 18.386 - { 18.387 - /* 18.388 - * 2: The VBD is mapped to an entire 'unit'. Clear all partitions. 18.389 - * NB. The partition entries are only cleared if there are no VBDs 18.390 - * mapped to individual partitions on this unit. 18.391 - */ 18.392 - i = gd->max_p - 1; /* Default: clear subpartitions as well. */ 18.393 - if ( gd->flags[minor >> gd->minor_shift] & GENHD_FL_VIRT_PARTNS ) 18.394 - i = 0; /* 'Virtual' mode: only clear the 'whole unit' entry. */ 18.395 - while ( i >= 0 ) 18.396 - { 18.397 - invalidate_device(device+i, 1); 18.398 - gd->part[minor+i].start_sect = 0; 18.399 - gd->part[minor+i].nr_sects = 0; 18.400 - gd->sizes[minor+i] = 0; 18.401 - i--; 18.402 - } 18.403 - } 18.404 - 18.405 - out: 18.406 - bdput(bd); 18.407 - return rc; 18.408 -} 18.409 - 18.410 -/* 18.411 - * xlvbd_update_vbds - reprobes the VBD status and performs updates driver 18.412 - * state. The VBDs need to be updated in this way when the domain is 18.413 - * initialised and also each time we receive an XLBLK_UPDATE event. 18.414 - */ 18.415 -void xlvbd_update_vbds(void) 18.416 -{ 18.417 - int i, j, k, old_nr, new_nr; 18.418 - vdisk_t *old_info, *new_info, *merged_info; 18.419 - 18.420 - old_info = vbd_info; 18.421 - old_nr = nr_vbds; 18.422 - 18.423 - new_info = kmalloc(MAX_VBDS * sizeof(vdisk_t), GFP_KERNEL); 18.424 - if (!new_info) 18.425 - return; 18.426 - 18.427 - if ( unlikely(new_nr = xlvbd_get_vbd_info(new_info)) < 0 ) 18.428 - goto out; 18.429 - 18.430 - /* 18.431 - * Final list maximum size is old list + new list. This occurs only when 18.432 - * old list and new list do not overlap at all, and we cannot yet destroy 18.433 - * VBDs in the old list because the usage counts are busy. 18.434 - */ 18.435 - merged_info = kmalloc((old_nr + new_nr) * sizeof(vdisk_t), GFP_KERNEL); 18.436 - if (!merged_info) 18.437 - goto out; 18.438 - 18.439 - /* @i tracks old list; @j tracks new list; @k tracks merged list. */ 18.440 - i = j = k = 0; 18.441 - 18.442 - while ( (i < old_nr) && (j < new_nr) ) 18.443 - { 18.444 - if ( old_info[i].device < new_info[j].device ) 18.445 - { 18.446 - if ( xlvbd_remove_device(old_info[i].device) != 0 ) 18.447 - memcpy(&merged_info[k++], &old_info[i], sizeof(vdisk_t)); 18.448 - i++; 18.449 - } 18.450 - else if ( old_info[i].device > new_info[j].device ) 18.451 - { 18.452 - if ( xlvbd_init_device(&new_info[j]) == 0 ) 18.453 - memcpy(&merged_info[k++], &new_info[j], sizeof(vdisk_t)); 18.454 - j++; 18.455 - } 18.456 - else 18.457 - { 18.458 - if ( ((old_info[i].capacity == new_info[j].capacity) && 18.459 - (old_info[i].info == new_info[j].info)) || 18.460 - (xlvbd_remove_device(old_info[i].device) != 0) ) 18.461 - memcpy(&merged_info[k++], &old_info[i], sizeof(vdisk_t)); 18.462 - else if ( xlvbd_init_device(&new_info[j]) == 0 ) 18.463 - memcpy(&merged_info[k++], &new_info[j], sizeof(vdisk_t)); 18.464 - i++; j++; 18.465 - } 18.466 - } 18.467 - 18.468 - for ( ; i < old_nr; i++ ) 18.469 - { 18.470 - if ( xlvbd_remove_device(old_info[i].device) != 0 ) 18.471 - memcpy(&merged_info[k++], &old_info[i], sizeof(vdisk_t)); 18.472 - } 18.473 - 18.474 - for ( ; j < new_nr; j++ ) 18.475 - { 18.476 - if ( xlvbd_init_device(&new_info[j]) == 0 ) 18.477 - memcpy(&merged_info[k++], &new_info[j], sizeof(vdisk_t)); 18.478 - } 18.479 - 18.480 - vbd_info = merged_info; 18.481 - nr_vbds = k; 18.482 - 18.483 - kfree(old_info); 18.484 -out: 18.485 - kfree(new_info); 18.486 -} 18.487 - 18.488 - 18.489 -/* 18.490 - * Set up all the linux device goop for the virtual block devices (vbd's) that 18.491 - * we know about. Note that although from the backend driver's p.o.v. VBDs are 18.492 - * addressed simply an opaque 16-bit device number, the domain creation tools 18.493 - * conventionally allocate these numbers to correspond to those used by 'real' 18.494 - * linux -- this is just for convenience as it means e.g. that the same 18.495 - * /etc/fstab can be used when booting with or without Xen. 18.496 - */ 18.497 -int xlvbd_init(void) 18.498 -{ 18.499 - int i; 18.500 - 18.501 - /* 18.502 - * If compiled as a module, we don't support unloading yet. We therefore 18.503 - * permanently increment the reference count to disallow it. 18.504 - */ 18.505 - SET_MODULE_OWNER(&xlvbd_block_fops); 18.506 - MOD_INC_USE_COUNT; 18.507 - 18.508 - /* Initialize the global arrays. */ 18.509 - for ( i = 0; i < 256; i++ ) 18.510 - { 18.511 - xlide_blksize_size[i] = 1024; 18.512 - xlide_hardsect_size[i] = 512; 18.513 - xlide_max_sectors[i] = 512; 18.514 - 18.515 - xlscsi_blksize_size[i] = 1024; 18.516 - xlscsi_hardsect_size[i] = 512; 18.517 - xlscsi_max_sectors[i] = 512; 18.518 - 18.519 - xlvbd_blksize_size[i] = 512; 18.520 - xlvbd_hardsect_size[i] = 512; 18.521 - xlvbd_max_sectors[i] = 512; 18.522 - } 18.523 - 18.524 - vbd_info = kmalloc(MAX_VBDS * sizeof(vdisk_t), GFP_KERNEL); 18.525 - if (!vbd_info) 18.526 - return -ENOMEM; 18.527 - 18.528 - nr_vbds = xlvbd_get_vbd_info(vbd_info); 18.529 - 18.530 - if ( nr_vbds < 0 ) 18.531 - { 18.532 - kfree(vbd_info); 18.533 - vbd_info = NULL; 18.534 - nr_vbds = 0; 18.535 - } 18.536 - else 18.537 - { 18.538 - for ( i = 0; i < nr_vbds; i++ ) 18.539 - xlvbd_init_device(&vbd_info[i]); 18.540 - } 18.541 - 18.542 - return 0; 18.543 -}
19.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/console/Makefile Fri Oct 07 23:22:35 2005 +0100 19.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 19.3 @@ -1,3 +0,0 @@ 19.4 -O_TARGET := drv.o 19.5 -obj-$(CONFIG_XEN_CONSOLE) := console.o 19.6 -include $(TOPDIR)/Rules.make
20.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/dom0/Makefile Fri Oct 07 23:22:35 2005 +0100 20.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 20.3 @@ -1,3 +0,0 @@ 20.4 -O_TARGET := drv.o 20.5 -obj-y := core.o 20.6 -include $(TOPDIR)/Rules.make
21.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/evtchn/Makefile Fri Oct 07 23:22:35 2005 +0100 21.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 21.3 @@ -1,3 +0,0 @@ 21.4 -O_TARGET := drv.o 21.5 -obj-y := evtchn.o 21.6 -include $(TOPDIR)/Rules.make
22.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/netif/Makefile Fri Oct 07 23:22:35 2005 +0100 22.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 22.3 @@ -1,10 +0,0 @@ 22.4 - 22.5 -O_TARGET := drv.o 22.6 - 22.7 -subdir-$(CONFIG_XEN_NETDEV_FRONTEND) += frontend 22.8 -obj-$(CONFIG_XEN_NETDEV_FRONTEND) += frontend/drv.o 22.9 - 22.10 -subdir-$(CONFIG_XEN_PHYSDEV_ACCESS) += backend 22.11 -obj-$(CONFIG_XEN_PHYSDEV_ACCESS) += backend/drv.o 22.12 - 22.13 -include $(TOPDIR)/Rules.make
23.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/netif/backend/Makefile Fri Oct 07 23:22:35 2005 +0100 23.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 23.3 @@ -1,4 +0,0 @@ 23.4 -O_TARGET := drv.o 23.5 -export-objs := interface.o 23.6 -obj-y := main.o control.o interface.o 23.7 -include $(TOPDIR)/Rules.make
24.1 --- a/linux-2.4-xen-sparse/arch/xen/drivers/netif/frontend/Makefile Fri Oct 07 23:22:35 2005 +0100 24.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 24.3 @@ -1,3 +0,0 @@ 24.4 -O_TARGET := drv.o 24.5 -obj-y := main.o 24.6 -include $(TOPDIR)/Rules.make
25.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/Makefile Fri Oct 07 23:22:35 2005 +0100 25.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 25.3 @@ -1,20 +0,0 @@ 25.4 - 25.5 -.S.o: 25.6 - $(CC) $(AFLAGS) -traditional -c $< -o $*.o 25.7 - 25.8 -all: kernel.o head.o init_task.o 25.9 - 25.10 -O_TARGET := kernel.o 25.11 - 25.12 -export-objs := i386_ksyms.o gnttab.o skbuff.o ctrl_if.o 25.13 - 25.14 -obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ 25.15 - ptrace.o ioport.o ldt.o setup.o time.o sys_i386.o \ 25.16 - i386_ksyms.o i387.o evtchn.o ctrl_if.o pci-dma.o \ 25.17 - reboot.o fixup.o gnttab.o skbuff.o 25.18 - 25.19 -ifdef CONFIG_PCI 25.20 -obj-y += pci-i386.o pci-pc.o 25.21 -endif 25.22 - 25.23 -include $(TOPDIR)/Rules.make
26.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/entry.S Fri Oct 07 23:22:35 2005 +0100 26.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 26.3 @@ -1,779 +0,0 @@ 26.4 -/* 26.5 - * linux/arch/i386/entry.S 26.6 - * 26.7 - * Copyright (C) 1991, 1992 Linus Torvalds 26.8 - */ 26.9 - 26.10 -/* 26.11 - * entry.S contains the system-call and fault low-level handling routines. 26.12 - * This also contains the timer-interrupt handler, as well as all interrupts 26.13 - * and faults that can result in a task-switch. 26.14 - * 26.15 - * NOTE: This code handles signal-recognition, which happens every time 26.16 - * after a timer-interrupt and after each system call. 26.17 - * 26.18 - * I changed all the .align's to 4 (16 byte alignment), as that's faster 26.19 - * on a 486. 26.20 - * 26.21 - * Stack layout in 'ret_to_user': 26.22 - * ptrace needs to have all regs on the stack. 26.23 - * if the order here is changed, it needs to be 26.24 - * updated in fork.c:copy_process, signal.c:do_signal, 26.25 - * ptrace.c and ptrace.h 26.26 - * 26.27 - * 0(%esp) - %ebx 26.28 - * 4(%esp) - %ecx 26.29 - * 8(%esp) - %edx 26.30 - * C(%esp) - %esi 26.31 - * 10(%esp) - %edi 26.32 - * 14(%esp) - %ebp 26.33 - * 18(%esp) - %eax 26.34 - * 1C(%esp) - %ds 26.35 - * 20(%esp) - %es 26.36 - * 24(%esp) - orig_eax 26.37 - * 28(%esp) - %eip 26.38 - * 2C(%esp) - %cs 26.39 - * 30(%esp) - %eflags 26.40 - * 34(%esp) - %oldesp 26.41 - * 38(%esp) - %oldss 26.42 - * 26.43 - * "current" is in register %ebx during any slow entries. 26.44 - */ 26.45 - 26.46 -#include <linux/config.h> 26.47 -#include <linux/sys.h> 26.48 -#include <linux/linkage.h> 26.49 -#include <asm/segment.h> 26.50 -#include <asm/smp.h> 26.51 - 26.52 -EBX = 0x00 26.53 -ECX = 0x04 26.54 -EDX = 0x08 26.55 -ESI = 0x0C 26.56 -EDI = 0x10 26.57 -EBP = 0x14 26.58 -EAX = 0x18 26.59 -DS = 0x1C 26.60 -ES = 0x20 26.61 -ORIG_EAX = 0x24 26.62 -EIP = 0x28 26.63 -CS = 0x2C 26.64 -EFLAGS = 0x30 26.65 -OLDESP = 0x34 26.66 -OLDSS = 0x38 26.67 - 26.68 -CF_MASK = 0x00000001 26.69 -TF_MASK = 0x00000100 26.70 -IF_MASK = 0x00000200 26.71 -DF_MASK = 0x00000400 26.72 -NT_MASK = 0x00004000 26.73 - 26.74 -/* Offsets into task_struct. */ 26.75 -state = 0 26.76 -flags = 4 26.77 -sigpending = 8 26.78 -addr_limit = 12 26.79 -exec_domain = 16 26.80 -need_resched = 20 26.81 -tsk_ptrace = 24 26.82 -processor = 52 26.83 - 26.84 -/* Offsets into shared_info_t. */ 26.85 -#define evtchn_upcall_pending /* 0 */ 26.86 -#define evtchn_upcall_mask 1 26.87 - 26.88 -ENOSYS = 38 26.89 - 26.90 - 26.91 -#define SAVE_ALL \ 26.92 - cld; \ 26.93 - pushl %es; \ 26.94 - pushl %ds; \ 26.95 - pushl %eax; \ 26.96 - pushl %ebp; \ 26.97 - pushl %edi; \ 26.98 - pushl %esi; \ 26.99 - pushl %edx; \ 26.100 - pushl %ecx; \ 26.101 - pushl %ebx; \ 26.102 - movl $(__KERNEL_DS),%edx; \ 26.103 - movl %edx,%ds; \ 26.104 - movl %edx,%es; 26.105 - 26.106 -#define RESTORE_ALL \ 26.107 - popl %ebx; \ 26.108 - popl %ecx; \ 26.109 - popl %edx; \ 26.110 - popl %esi; \ 26.111 - popl %edi; \ 26.112 - popl %ebp; \ 26.113 - popl %eax; \ 26.114 -1: popl %ds; \ 26.115 -2: popl %es; \ 26.116 - addl $4,%esp; \ 26.117 -3: iret; \ 26.118 -.section .fixup,"ax"; \ 26.119 -4: movl $0,(%esp); \ 26.120 - jmp 1b; \ 26.121 -5: movl $0,(%esp); \ 26.122 - jmp 2b; \ 26.123 -6: pushl %ss; \ 26.124 - popl %ds; \ 26.125 - pushl %ss; \ 26.126 - popl %es; \ 26.127 - pushl $11; \ 26.128 - call do_exit; \ 26.129 -.previous; \ 26.130 -.section __ex_table,"a";\ 26.131 - .align 4; \ 26.132 - .long 1b,4b; \ 26.133 - .long 2b,5b; \ 26.134 - .long 3b,6b; \ 26.135 -.previous 26.136 - 26.137 -#define GET_CURRENT(reg) \ 26.138 - movl $-8192, reg; \ 26.139 - andl %esp, reg 26.140 - 26.141 -ENTRY(lcall7) 26.142 - pushfl # We get a different stack layout with call 26.143 - pushl %eax # gates, which has to be cleaned up later.. 26.144 - SAVE_ALL 26.145 - movl EIP(%esp),%eax # due to call gates, this is eflags, not eip.. 26.146 - movl CS(%esp),%edx # this is eip.. 26.147 - movl EFLAGS(%esp),%ecx # and this is cs.. 26.148 - movl %eax,EFLAGS(%esp) # 26.149 - andl $~(NT_MASK|TF_MASK|DF_MASK), %eax 26.150 - pushl %eax 26.151 - popfl 26.152 - movl %edx,EIP(%esp) # Now we move them to their "normal" places 26.153 - movl %ecx,CS(%esp) # 26.154 - movl %esp,%ebx 26.155 - pushl %ebx 26.156 - andl $-8192,%ebx # GET_CURRENT 26.157 - movl exec_domain(%ebx),%edx # Get the execution domain 26.158 - movl 4(%edx),%edx # Get the lcall7 handler for the domain 26.159 - pushl $0x7 26.160 - call *%edx 26.161 - addl $4, %esp 26.162 - popl %eax 26.163 - jmp ret_to_user 26.164 - 26.165 -ENTRY(lcall27) 26.166 - pushfl # We get a different stack layout with call 26.167 - pushl %eax # gates, which has to be cleaned up later.. 26.168 - SAVE_ALL 26.169 - movl EIP(%esp),%eax # due to call gates, this is eflags, not eip.. 26.170 - movl CS(%esp),%edx # this is eip.. 26.171 - movl EFLAGS(%esp),%ecx # and this is cs.. 26.172 - movl %eax,EFLAGS(%esp) # 26.173 - andl $~(NT_MASK|TF_MASK|DF_MASK), %eax 26.174 - pushl %eax 26.175 - popfl 26.176 - movl %edx,EIP(%esp) # Now we move them to their "normal" places 26.177 - movl %ecx,CS(%esp) # 26.178 - movl %esp,%ebx 26.179 - pushl %ebx 26.180 - andl $-8192,%ebx # GET_CURRENT 26.181 - movl exec_domain(%ebx),%edx # Get the execution domain 26.182 - movl 4(%edx),%edx # Get the lcall7 handler for the domain 26.183 - pushl $0x27 26.184 - call *%edx 26.185 - addl $4, %esp 26.186 - popl %eax 26.187 - jmp ret_to_user 26.188 - 26.189 -ENTRY(ret_from_fork) 26.190 - pushl %ebx 26.191 - call SYMBOL_NAME(schedule_tail) 26.192 - addl $4, %esp 26.193 - GET_CURRENT(%ebx) 26.194 - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS 26.195 - jne tracesys_exit 26.196 - jmp ret_to_user 26.197 - 26.198 -/* 26.199 - * Return to user mode is not as complex as all this looks, 26.200 - * but we want the default path for a system call return to 26.201 - * go as quickly as possible which is why some of this is 26.202 - * less clear than it otherwise should be. 26.203 - */ 26.204 -ENTRY(system_call) 26.205 - pushl %eax # save orig_eax 26.206 - SAVE_ALL 26.207 - GET_CURRENT(%ebx) 26.208 - testb $0x02,tsk_ptrace(%ebx) # PT_TRACESYS 26.209 - jne tracesys 26.210 - cmpl $(NR_syscalls),%eax 26.211 - jae badsys 26.212 - call *SYMBOL_NAME(sys_call_table)(,%eax,4) 26.213 - movl %eax,EAX(%esp) # save the return value 26.214 -ret_to_user: 26.215 - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi 26.216 - movb $1,evtchn_upcall_mask(%esi) # make tests atomic 26.217 -ret_to_user_nocli: 26.218 - cmpl $0,need_resched(%ebx) 26.219 - jne reschedule 26.220 - cmpl $0,sigpending(%ebx) 26.221 - je safesti # ensure need_resched updates are seen 26.222 -/*signal_return:*/ 26.223 - movb $0,evtchn_upcall_mask(%esi) # reenable event callbacks 26.224 - movl %esp,%eax 26.225 - xorl %edx,%edx 26.226 - call SYMBOL_NAME(do_signal) 26.227 - jmp safesti 26.228 - 26.229 - ALIGN 26.230 -restore_all: 26.231 - RESTORE_ALL 26.232 - 26.233 - ALIGN 26.234 -tracesys: 26.235 - movl $-ENOSYS,EAX(%esp) 26.236 - call SYMBOL_NAME(syscall_trace) 26.237 - movl ORIG_EAX(%esp),%eax 26.238 - cmpl $(NR_syscalls),%eax 26.239 - jae tracesys_exit 26.240 - call *SYMBOL_NAME(sys_call_table)(,%eax,4) 26.241 - movl %eax,EAX(%esp) # save the return value 26.242 -tracesys_exit: 26.243 - call SYMBOL_NAME(syscall_trace) 26.244 - jmp ret_to_user 26.245 -badsys: 26.246 - movl $-ENOSYS,EAX(%esp) 26.247 - jmp ret_to_user 26.248 - 26.249 - ALIGN 26.250 -ENTRY(ret_from_intr) 26.251 - GET_CURRENT(%ebx) 26.252 -ret_from_exception: 26.253 - movb CS(%esp),%al 26.254 - testl $2,%eax 26.255 - jne ret_to_user 26.256 - jmp restore_all 26.257 - 26.258 - ALIGN 26.259 -reschedule: 26.260 - movb $0,evtchn_upcall_mask(%esi) # reenable event callbacks 26.261 - call SYMBOL_NAME(schedule) # test 26.262 - jmp ret_to_user 26.263 - 26.264 -ENTRY(divide_error) 26.265 - pushl $0 # no error code 26.266 - pushl $ SYMBOL_NAME(do_divide_error) 26.267 - ALIGN 26.268 -error_code: 26.269 - pushl %ds 26.270 - pushl %eax 26.271 - xorl %eax,%eax 26.272 - pushl %ebp 26.273 - pushl %edi 26.274 - pushl %esi 26.275 - pushl %edx 26.276 - decl %eax # eax = -1 26.277 - pushl %ecx 26.278 - pushl %ebx 26.279 - GET_CURRENT(%ebx) 26.280 - cld 26.281 - movl %es,%ecx 26.282 - movl ORIG_EAX(%esp), %esi # get the error code 26.283 - movl ES(%esp), %edi # get the function address 26.284 - movl %eax, ORIG_EAX(%esp) 26.285 - movl %ecx, ES(%esp) 26.286 - movl %esp,%edx 26.287 - pushl %esi # push the error code 26.288 - pushl %edx # push the pt_regs pointer 26.289 - movl $(__KERNEL_DS),%edx 26.290 - movl %edx,%ds 26.291 - movl %edx,%es 26.292 - call *%edi 26.293 - addl $8,%esp 26.294 - jmp ret_from_exception 26.295 - 26.296 -# A note on the "critical region" in our callback handler. 26.297 -# We want to avoid stacking callback handlers due to events occurring 26.298 -# during handling of the last event. To do this, we keep events disabled 26.299 -# until we've done all processing. HOWEVER, we must enable events before 26.300 -# popping the stack frame (can't be done atomically) and so it would still 26.301 -# be possible to get enough handler activations to overflow the stack. 26.302 -# Although unlikely, bugs of that kind are hard to track down, so we'd 26.303 -# like to avoid the possibility. 26.304 -# So, on entry to the handler we detect whether we interrupted an 26.305 -# existing activation in its critical region -- if so, we pop the current 26.306 -# activation and restart the handler using the previous one. 26.307 -ENTRY(hypervisor_callback) 26.308 - pushl %eax 26.309 - SAVE_ALL 26.310 - GET_CURRENT(%ebx) 26.311 - movl EIP(%esp),%eax 26.312 - cmpl $scrit,%eax 26.313 - jb 11f 26.314 - cmpl $ecrit,%eax 26.315 - jb critical_region_fixup 26.316 -11: push %esp 26.317 - call evtchn_do_upcall 26.318 - add $4,%esp 26.319 - movl SYMBOL_NAME(HYPERVISOR_shared_info),%esi 26.320 - movb CS(%esp),%cl 26.321 - test $2,%cl # slow return to ring 2 or 3 26.322 - jne ret_to_user_nocli 26.323 -safesti:movb $0,evtchn_upcall_mask(%esi) # reenable event callbacks 26.324 -scrit: /**** START OF CRITICAL REGION ****/ 26.325 - testb $0xFF,evtchn_upcall_pending(%esi) 26.326 - jnz 14f # process more events if necessary... 26.327 - RESTORE_ALL 26.328 -14: movb $1,evtchn_upcall_mask(%esi) 26.329 - jmp 11b 26.330 -ecrit: /**** END OF CRITICAL REGION ****/ 26.331 -# [How we do the fixup]. We want to merge the current stack frame with the 26.332 -# just-interrupted frame. How we do this depends on where in the critical 26.333 -# region the interrupted handler was executing, and so how many saved 26.334 -# registers are in each frame. We do this quickly using the lookup table 26.335 -# 'critical_fixup_table'. For each byte offset in the critical region, it 26.336 -# provides the number of bytes which have already been popped from the 26.337 -# interrupted stack frame. 26.338 -critical_region_fixup: 26.339 - addl $critical_fixup_table-scrit,%eax 26.340 - movzbl (%eax),%eax # %eax contains num bytes popped 26.341 - mov %esp,%esi 26.342 - add %eax,%esi # %esi points at end of src region 26.343 - mov %esp,%edi 26.344 - add $0x34,%edi # %edi points at end of dst region 26.345 - mov %eax,%ecx 26.346 - shr $2,%ecx # convert words to bytes 26.347 - je 16f # skip loop if nothing to copy 26.348 -15: subl $4,%esi # pre-decrementing copy loop 26.349 - subl $4,%edi 26.350 - movl (%esi),%eax 26.351 - movl %eax,(%edi) 26.352 - loop 15b 26.353 -16: movl %edi,%esp # final %edi is top of merged stack 26.354 - jmp 11b 26.355 - 26.356 -critical_fixup_table: 26.357 - .byte 0x00,0x00,0x00 # testb $0xFF,(%esi) 26.358 - .byte 0x00,0x00 # jnz 14f 26.359 - .byte 0x00 # pop %ebx 26.360 - .byte 0x04 # pop %ecx 26.361 - .byte 0x08 # pop %edx 26.362 - .byte 0x0c # pop %esi 26.363 - .byte 0x10 # pop %edi 26.364 - .byte 0x14 # pop %ebp 26.365 - .byte 0x18 # pop %eax 26.366 - .byte 0x1c # pop %ds 26.367 - .byte 0x20 # pop %es 26.368 - .byte 0x24,0x24,0x24 # add $4,%esp 26.369 - .byte 0x28 # iret 26.370 - .byte 0x00,0x00,0x00,0x00 # movb $1,4(%esi) 26.371 - .byte 0x00,0x00 # jmp 11b 26.372 - 26.373 -# Hypervisor uses this for application faults while it executes. 26.374 -ENTRY(failsafe_callback) 26.375 -1: popl %ds 26.376 -2: popl %es 26.377 -3: popl %fs 26.378 -4: popl %gs 26.379 -5: iret 26.380 -.section .fixup,"ax"; \ 26.381 -6: movl $0,(%esp); \ 26.382 - jmp 1b; \ 26.383 -7: movl $0,(%esp); \ 26.384 - jmp 2b; \ 26.385 -8: movl $0,(%esp); \ 26.386 - jmp 3b; \ 26.387 -9: movl $0,(%esp); \ 26.388 - jmp 4b; \ 26.389 -10: pushl %ss; \ 26.390 - popl %ds; \ 26.391 - pushl %ss; \ 26.392 - popl %es; \ 26.393 - pushl $11; \ 26.394 - call do_exit; \ 26.395 -.previous; \ 26.396 -.section __ex_table,"a";\ 26.397 - .align 4; \ 26.398 - .long 1b,6b; \ 26.399 - .long 2b,7b; \ 26.400 - .long 3b,8b; \ 26.401 - .long 4b,9b; \ 26.402 - .long 5b,10b; \ 26.403 -.previous 26.404 - 26.405 -ENTRY(coprocessor_error) 26.406 - pushl $0 26.407 - pushl $ SYMBOL_NAME(do_coprocessor_error) 26.408 - jmp error_code 26.409 - 26.410 -ENTRY(simd_coprocessor_error) 26.411 - pushl $0 26.412 - pushl $ SYMBOL_NAME(do_simd_coprocessor_error) 26.413 - jmp error_code 26.414 - 26.415 -ENTRY(device_not_available) 26.416 - pushl $-1 # mark this as an int 26.417 - SAVE_ALL 26.418 - GET_CURRENT(%ebx) 26.419 - call SYMBOL_NAME(math_state_restore) 26.420 - jmp ret_from_exception 26.421 - 26.422 -ENTRY(debug) 26.423 - pushl $0 26.424 - pushl $ SYMBOL_NAME(do_debug) 26.425 - jmp error_code 26.426 - 26.427 -ENTRY(int3) 26.428 - pushl $0 26.429 - pushl $ SYMBOL_NAME(do_int3) 26.430 - jmp error_code 26.431 - 26.432 -ENTRY(overflow) 26.433 - pushl $0 26.434 - pushl $ SYMBOL_NAME(do_overflow) 26.435 - jmp error_code 26.436 - 26.437 -ENTRY(bounds) 26.438 - pushl $0 26.439 - pushl $ SYMBOL_NAME(do_bounds) 26.440 - jmp error_code 26.441 - 26.442 -ENTRY(invalid_op) 26.443 - pushl $0 26.444 - pushl $ SYMBOL_NAME(do_invalid_op) 26.445 - jmp error_code 26.446 - 26.447 -ENTRY(coprocessor_segment_overrun) 26.448 - pushl $0 26.449 - pushl $ SYMBOL_NAME(do_coprocessor_segment_overrun) 26.450 - jmp error_code 26.451 - 26.452 -ENTRY(double_fault) 26.453 - pushl $ SYMBOL_NAME(do_double_fault) 26.454 - jmp error_code 26.455 - 26.456 -ENTRY(invalid_TSS) 26.457 - pushl $ SYMBOL_NAME(do_invalid_TSS) 26.458 - jmp error_code 26.459 - 26.460 -ENTRY(segment_not_present) 26.461 - pushl $ SYMBOL_NAME(do_segment_not_present) 26.462 - jmp error_code 26.463 - 26.464 -ENTRY(stack_segment) 26.465 - pushl $ SYMBOL_NAME(do_stack_segment) 26.466 - jmp error_code 26.467 - 26.468 -ENTRY(general_protection) 26.469 - pushl $ SYMBOL_NAME(do_general_protection) 26.470 - jmp error_code 26.471 - 26.472 -ENTRY(alignment_check) 26.473 - pushl $ SYMBOL_NAME(do_alignment_check) 26.474 - jmp error_code 26.475 - 26.476 -# This handler is special, because it gets an extra value on its stack, 26.477 -# which is the linear faulting address. 26.478 -#define PAGE_FAULT_STUB(_name1, _name2) \ 26.479 -ENTRY(_name1) \ 26.480 - pushl %ds ; \ 26.481 - pushl %eax ; \ 26.482 - xorl %eax,%eax ; \ 26.483 - pushl %ebp ; \ 26.484 - pushl %edi ; \ 26.485 - pushl %esi ; \ 26.486 - pushl %edx ; \ 26.487 - decl %eax /* eax = -1 */ ; \ 26.488 - pushl %ecx ; \ 26.489 - pushl %ebx ; \ 26.490 - GET_CURRENT(%ebx) ; \ 26.491 - cld ; \ 26.492 - movl %es,%ecx ; \ 26.493 - movl ORIG_EAX(%esp), %esi /* get the error code */ ; \ 26.494 - movl ES(%esp), %edi /* get the faulting address */ ; \ 26.495 - movl %eax, ORIG_EAX(%esp) ; \ 26.496 - movl %ecx, ES(%esp) ; \ 26.497 - movl %esp,%edx ; \ 26.498 - pushl %edi /* push the faulting address */ ; \ 26.499 - pushl %esi /* push the error code */ ; \ 26.500 - pushl %edx /* push the pt_regs pointer */ ; \ 26.501 - movl $(__KERNEL_DS),%edx ; \ 26.502 - movl %edx,%ds ; \ 26.503 - movl %edx,%es ; \ 26.504 - call SYMBOL_NAME(_name2) ; \ 26.505 - addl $12,%esp ; \ 26.506 - jmp ret_from_exception ; 26.507 -PAGE_FAULT_STUB(page_fault, do_page_fault) 26.508 - 26.509 -ENTRY(machine_check) 26.510 - pushl $0 26.511 - pushl $ SYMBOL_NAME(do_machine_check) 26.512 - jmp error_code 26.513 - 26.514 -ENTRY(fixup_4gb_segment) 26.515 - pushl $ SYMBOL_NAME(do_fixup_4gb_segment) 26.516 - jmp error_code 26.517 - 26.518 -.data 26.519 -ENTRY(sys_call_table) 26.520 - .long SYMBOL_NAME(sys_ni_syscall) /* 0 - old "setup()" system call*/ 26.521 - .long SYMBOL_NAME(sys_exit) 26.522 - .long SYMBOL_NAME(sys_fork) 26.523 - .long SYMBOL_NAME(sys_read) 26.524 - .long SYMBOL_NAME(sys_write) 26.525 - .long SYMBOL_NAME(sys_open) /* 5 */ 26.526 - .long SYMBOL_NAME(sys_close) 26.527 - .long SYMBOL_NAME(sys_waitpid) 26.528 - .long SYMBOL_NAME(sys_creat) 26.529 - .long SYMBOL_NAME(sys_link) 26.530 - .long SYMBOL_NAME(sys_unlink) /* 10 */ 26.531 - .long SYMBOL_NAME(sys_execve) 26.532 - .long SYMBOL_NAME(sys_chdir) 26.533 - .long SYMBOL_NAME(sys_time) 26.534 - .long SYMBOL_NAME(sys_mknod) 26.535 - .long SYMBOL_NAME(sys_chmod) /* 15 */ 26.536 - .long SYMBOL_NAME(sys_lchown16) 26.537 - .long SYMBOL_NAME(sys_ni_syscall) /* old break syscall holder */ 26.538 - .long SYMBOL_NAME(sys_stat) 26.539 - .long SYMBOL_NAME(sys_lseek) 26.540 - .long SYMBOL_NAME(sys_getpid) /* 20 */ 26.541 - .long SYMBOL_NAME(sys_mount) 26.542 - .long SYMBOL_NAME(sys_oldumount) 26.543 - .long SYMBOL_NAME(sys_setuid16) 26.544 - .long SYMBOL_NAME(sys_getuid16) 26.545 - .long SYMBOL_NAME(sys_stime) /* 25 */ 26.546 - .long SYMBOL_NAME(sys_ptrace) 26.547 - .long SYMBOL_NAME(sys_alarm) 26.548 - .long SYMBOL_NAME(sys_fstat) 26.549 - .long SYMBOL_NAME(sys_pause) 26.550 - .long SYMBOL_NAME(sys_utime) /* 30 */ 26.551 - .long SYMBOL_NAME(sys_ni_syscall) /* old stty syscall holder */ 26.552 - .long SYMBOL_NAME(sys_ni_syscall) /* old gtty syscall holder */ 26.553 - .long SYMBOL_NAME(sys_access) 26.554 - .long SYMBOL_NAME(sys_nice) 26.555 - .long SYMBOL_NAME(sys_ni_syscall) /* 35 */ /* old ftime syscall holder */ 26.556 - .long SYMBOL_NAME(sys_sync) 26.557 - .long SYMBOL_NAME(sys_kill) 26.558 - .long SYMBOL_NAME(sys_rename) 26.559 - .long SYMBOL_NAME(sys_mkdir) 26.560 - .long SYMBOL_NAME(sys_rmdir) /* 40 */ 26.561 - .long SYMBOL_NAME(sys_dup) 26.562 - .long SYMBOL_NAME(sys_pipe) 26.563 - .long SYMBOL_NAME(sys_times) 26.564 - .long SYMBOL_NAME(sys_ni_syscall) /* old prof syscall holder */ 26.565 - .long SYMBOL_NAME(sys_brk) /* 45 */ 26.566 - .long SYMBOL_NAME(sys_setgid16) 26.567 - .long SYMBOL_NAME(sys_getgid16) 26.568 - .long SYMBOL_NAME(sys_signal) 26.569 - .long SYMBOL_NAME(sys_geteuid16) 26.570 - .long SYMBOL_NAME(sys_getegid16) /* 50 */ 26.571 - .long SYMBOL_NAME(sys_acct) 26.572 - .long SYMBOL_NAME(sys_umount) /* recycled never used phys() */ 26.573 - .long SYMBOL_NAME(sys_ni_syscall) /* old lock syscall holder */ 26.574 - .long SYMBOL_NAME(sys_ioctl) 26.575 - .long SYMBOL_NAME(sys_fcntl) /* 55 */ 26.576 - .long SYMBOL_NAME(sys_ni_syscall) /* old mpx syscall holder */ 26.577 - .long SYMBOL_NAME(sys_setpgid) 26.578 - .long SYMBOL_NAME(sys_ni_syscall) /* old ulimit syscall holder */ 26.579 - .long SYMBOL_NAME(sys_olduname) 26.580 - .long SYMBOL_NAME(sys_umask) /* 60 */ 26.581 - .long SYMBOL_NAME(sys_chroot) 26.582 - .long SYMBOL_NAME(sys_ustat) 26.583 - .long SYMBOL_NAME(sys_dup2) 26.584 - .long SYMBOL_NAME(sys_getppid) 26.585 - .long SYMBOL_NAME(sys_getpgrp) /* 65 */ 26.586 - .long SYMBOL_NAME(sys_setsid) 26.587 - .long SYMBOL_NAME(sys_sigaction) 26.588 - .long SYMBOL_NAME(sys_sgetmask) 26.589 - .long SYMBOL_NAME(sys_ssetmask) 26.590 - .long SYMBOL_NAME(sys_setreuid16) /* 70 */ 26.591 - .long SYMBOL_NAME(sys_setregid16) 26.592 - .long SYMBOL_NAME(sys_sigsuspend) 26.593 - .long SYMBOL_NAME(sys_sigpending) 26.594 - .long SYMBOL_NAME(sys_sethostname) 26.595 - .long SYMBOL_NAME(sys_setrlimit) /* 75 */ 26.596 - .long SYMBOL_NAME(sys_old_getrlimit) 26.597 - .long SYMBOL_NAME(sys_getrusage) 26.598 - .long SYMBOL_NAME(sys_gettimeofday) 26.599 - .long SYMBOL_NAME(sys_settimeofday) 26.600 - .long SYMBOL_NAME(sys_getgroups16) /* 80 */ 26.601 - .long SYMBOL_NAME(sys_setgroups16) 26.602 - .long SYMBOL_NAME(old_select) 26.603 - .long SYMBOL_NAME(sys_symlink) 26.604 - .long SYMBOL_NAME(sys_lstat) 26.605 - .long SYMBOL_NAME(sys_readlink) /* 85 */ 26.606 - .long SYMBOL_NAME(sys_uselib) 26.607 - .long SYMBOL_NAME(sys_swapon) 26.608 - .long SYMBOL_NAME(sys_reboot) 26.609 - .long SYMBOL_NAME(old_readdir) 26.610 - .long SYMBOL_NAME(old_mmap) /* 90 */ 26.611 - .long SYMBOL_NAME(sys_munmap) 26.612 - .long SYMBOL_NAME(sys_truncate) 26.613 - .long SYMBOL_NAME(sys_ftruncate) 26.614 - .long SYMBOL_NAME(sys_fchmod) 26.615 - .long SYMBOL_NAME(sys_fchown16) /* 95 */ 26.616 - .long SYMBOL_NAME(sys_getpriority) 26.617 - .long SYMBOL_NAME(sys_setpriority) 26.618 - .long SYMBOL_NAME(sys_ni_syscall) /* old profil syscall holder */ 26.619 - .long SYMBOL_NAME(sys_statfs) 26.620 - .long SYMBOL_NAME(sys_fstatfs) /* 100 */ 26.621 - .long SYMBOL_NAME(sys_ioperm) 26.622 - .long SYMBOL_NAME(sys_socketcall) 26.623 - .long SYMBOL_NAME(sys_syslog) 26.624 - .long SYMBOL_NAME(sys_setitimer) 26.625 - .long SYMBOL_NAME(sys_getitimer) /* 105 */ 26.626 - .long SYMBOL_NAME(sys_newstat) 26.627 - .long SYMBOL_NAME(sys_newlstat) 26.628 - .long SYMBOL_NAME(sys_newfstat) 26.629 - .long SYMBOL_NAME(sys_uname) 26.630 - .long SYMBOL_NAME(sys_iopl) /* 110 */ 26.631 - .long SYMBOL_NAME(sys_vhangup) 26.632 - .long SYMBOL_NAME(sys_ni_syscall) /* old "idle" system call */ 26.633 - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ 26.634 - .long SYMBOL_NAME(sys_wait4) 26.635 - .long SYMBOL_NAME(sys_swapoff) /* 115 */ 26.636 - .long SYMBOL_NAME(sys_sysinfo) 26.637 - .long SYMBOL_NAME(sys_ipc) 26.638 - .long SYMBOL_NAME(sys_fsync) 26.639 - .long SYMBOL_NAME(sys_sigreturn) 26.640 - .long SYMBOL_NAME(sys_clone) /* 120 */ 26.641 - .long SYMBOL_NAME(sys_setdomainname) 26.642 - .long SYMBOL_NAME(sys_newuname) 26.643 - .long SYMBOL_NAME(sys_modify_ldt) 26.644 - .long SYMBOL_NAME(sys_adjtimex) 26.645 - .long SYMBOL_NAME(sys_mprotect) /* 125 */ 26.646 - .long SYMBOL_NAME(sys_sigprocmask) 26.647 - .long SYMBOL_NAME(sys_create_module) 26.648 - .long SYMBOL_NAME(sys_init_module) 26.649 - .long SYMBOL_NAME(sys_delete_module) 26.650 - .long SYMBOL_NAME(sys_get_kernel_syms) /* 130 */ 26.651 - .long SYMBOL_NAME(sys_quotactl) 26.652 - .long SYMBOL_NAME(sys_getpgid) 26.653 - .long SYMBOL_NAME(sys_fchdir) 26.654 - .long SYMBOL_NAME(sys_bdflush) 26.655 - .long SYMBOL_NAME(sys_sysfs) /* 135 */ 26.656 - .long SYMBOL_NAME(sys_personality) 26.657 - .long SYMBOL_NAME(sys_ni_syscall) /* for afs_syscall */ 26.658 - .long SYMBOL_NAME(sys_setfsuid16) 26.659 - .long SYMBOL_NAME(sys_setfsgid16) 26.660 - .long SYMBOL_NAME(sys_llseek) /* 140 */ 26.661 - .long SYMBOL_NAME(sys_getdents) 26.662 - .long SYMBOL_NAME(sys_select) 26.663 - .long SYMBOL_NAME(sys_flock) 26.664 - .long SYMBOL_NAME(sys_msync) 26.665 - .long SYMBOL_NAME(sys_readv) /* 145 */ 26.666 - .long SYMBOL_NAME(sys_writev) 26.667 - .long SYMBOL_NAME(sys_getsid) 26.668 - .long SYMBOL_NAME(sys_fdatasync) 26.669 - .long SYMBOL_NAME(sys_sysctl) 26.670 - .long SYMBOL_NAME(sys_mlock) /* 150 */ 26.671 - .long SYMBOL_NAME(sys_munlock) 26.672 - .long SYMBOL_NAME(sys_mlockall) 26.673 - .long SYMBOL_NAME(sys_munlockall) 26.674 - .long SYMBOL_NAME(sys_sched_setparam) 26.675 - .long SYMBOL_NAME(sys_sched_getparam) /* 155 */ 26.676 - .long SYMBOL_NAME(sys_sched_setscheduler) 26.677 - .long SYMBOL_NAME(sys_sched_getscheduler) 26.678 - .long SYMBOL_NAME(sys_sched_yield) 26.679 - .long SYMBOL_NAME(sys_sched_get_priority_max) 26.680 - .long SYMBOL_NAME(sys_sched_get_priority_min) /* 160 */ 26.681 - .long SYMBOL_NAME(sys_sched_rr_get_interval) 26.682 - .long SYMBOL_NAME(sys_nanosleep) 26.683 - .long SYMBOL_NAME(sys_mremap) 26.684 - .long SYMBOL_NAME(sys_setresuid16) 26.685 - .long SYMBOL_NAME(sys_getresuid16) /* 165 */ 26.686 - .long SYMBOL_NAME(sys_ni_syscall) /* was VM86 */ 26.687 - .long SYMBOL_NAME(sys_query_module) 26.688 - .long SYMBOL_NAME(sys_poll) 26.689 - .long SYMBOL_NAME(sys_nfsservctl) 26.690 - .long SYMBOL_NAME(sys_setresgid16) /* 170 */ 26.691 - .long SYMBOL_NAME(sys_getresgid16) 26.692 - .long SYMBOL_NAME(sys_prctl) 26.693 - .long SYMBOL_NAME(sys_rt_sigreturn) 26.694 - .long SYMBOL_NAME(sys_rt_sigaction) 26.695 - .long SYMBOL_NAME(sys_rt_sigprocmask) /* 175 */ 26.696 - .long SYMBOL_NAME(sys_rt_sigpending) 26.697 - .long SYMBOL_NAME(sys_rt_sigtimedwait) 26.698 - .long SYMBOL_NAME(sys_rt_sigqueueinfo) 26.699 - .long SYMBOL_NAME(sys_rt_sigsuspend) 26.700 - .long SYMBOL_NAME(sys_pread) /* 180 */ 26.701 - .long SYMBOL_NAME(sys_pwrite) 26.702 - .long SYMBOL_NAME(sys_chown16) 26.703 - .long SYMBOL_NAME(sys_getcwd) 26.704 - .long SYMBOL_NAME(sys_capget) 26.705 - .long SYMBOL_NAME(sys_capset) /* 185 */ 26.706 - .long SYMBOL_NAME(sys_sigaltstack) 26.707 - .long SYMBOL_NAME(sys_sendfile) 26.708 - .long SYMBOL_NAME(sys_ni_syscall) /* streams1 */ 26.709 - .long SYMBOL_NAME(sys_ni_syscall) /* streams2 */ 26.710 - .long SYMBOL_NAME(sys_vfork) /* 190 */ 26.711 - .long SYMBOL_NAME(sys_getrlimit) 26.712 - .long SYMBOL_NAME(sys_mmap2) 26.713 - .long SYMBOL_NAME(sys_truncate64) 26.714 - .long SYMBOL_NAME(sys_ftruncate64) 26.715 - .long SYMBOL_NAME(sys_stat64) /* 195 */ 26.716 - .long SYMBOL_NAME(sys_lstat64) 26.717 - .long SYMBOL_NAME(sys_fstat64) 26.718 - .long SYMBOL_NAME(sys_lchown) 26.719 - .long SYMBOL_NAME(sys_getuid) 26.720 - .long SYMBOL_NAME(sys_getgid) /* 200 */ 26.721 - .long SYMBOL_NAME(sys_geteuid) 26.722 - .long SYMBOL_NAME(sys_getegid) 26.723 - .long SYMBOL_NAME(sys_setreuid) 26.724 - .long SYMBOL_NAME(sys_setregid) 26.725 - .long SYMBOL_NAME(sys_getgroups) /* 205 */ 26.726 - .long SYMBOL_NAME(sys_setgroups) 26.727 - .long SYMBOL_NAME(sys_fchown) 26.728 - .long SYMBOL_NAME(sys_setresuid) 26.729 - .long SYMBOL_NAME(sys_getresuid) 26.730 - .long SYMBOL_NAME(sys_setresgid) /* 210 */ 26.731 - .long SYMBOL_NAME(sys_getresgid) 26.732 - .long SYMBOL_NAME(sys_chown) 26.733 - .long SYMBOL_NAME(sys_setuid) 26.734 - .long SYMBOL_NAME(sys_setgid) 26.735 - .long SYMBOL_NAME(sys_setfsuid) /* 215 */ 26.736 - .long SYMBOL_NAME(sys_setfsgid) 26.737 - .long SYMBOL_NAME(sys_pivot_root) 26.738 - .long SYMBOL_NAME(sys_mincore) 26.739 - .long SYMBOL_NAME(sys_madvise) 26.740 - .long SYMBOL_NAME(sys_getdents64) /* 220 */ 26.741 - .long SYMBOL_NAME(sys_fcntl64) 26.742 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for TUX */ 26.743 - .long SYMBOL_NAME(sys_ni_syscall) /* Reserved for Security */ 26.744 - .long SYMBOL_NAME(sys_gettid) 26.745 - .long SYMBOL_NAME(sys_readahead) /* 225 */ 26.746 - .long SYMBOL_NAME(sys_setxattr) 26.747 - .long SYMBOL_NAME(sys_lsetxattr) 26.748 - .long SYMBOL_NAME(sys_fsetxattr) 26.749 - .long SYMBOL_NAME(sys_getxattr) 26.750 - .long SYMBOL_NAME(sys_lgetxattr) /* 230 */ 26.751 - .long SYMBOL_NAME(sys_fgetxattr) 26.752 - .long SYMBOL_NAME(sys_listxattr) 26.753 - .long SYMBOL_NAME(sys_llistxattr) 26.754 - .long SYMBOL_NAME(sys_flistxattr) 26.755 - .long SYMBOL_NAME(sys_removexattr) /* 235 */ 26.756 - .long SYMBOL_NAME(sys_lremovexattr) 26.757 - .long SYMBOL_NAME(sys_fremovexattr) 26.758 - .long SYMBOL_NAME(sys_tkill) 26.759 - .long SYMBOL_NAME(sys_sendfile64) 26.760 - .long SYMBOL_NAME(sys_ni_syscall) /* 240 reserved for futex */ 26.761 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_setaffinity */ 26.762 - .long SYMBOL_NAME(sys_ni_syscall) /* reserved for sched_getaffinity */ 26.763 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_set_thread_area */ 26.764 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_get_thread_area */ 26.765 - .long SYMBOL_NAME(sys_ni_syscall) /* 245 sys_io_setup */ 26.766 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_destroy */ 26.767 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_getevents */ 26.768 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_submit */ 26.769 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_io_cancel */ 26.770 - .long SYMBOL_NAME(sys_ni_syscall) /* 250 sys_alloc_hugepages */ 26.771 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_free_hugepages */ 26.772 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_exit_group */ 26.773 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_lookup_dcookie */ 26.774 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_create */ 26.775 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_ctl 255 */ 26.776 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_epoll_wait */ 26.777 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_remap_file_pages */ 26.778 - .long SYMBOL_NAME(sys_ni_syscall) /* sys_set_tid_address */ 26.779 - 26.780 - .rept NR_syscalls-(.-sys_call_table)/4 26.781 - .long SYMBOL_NAME(sys_ni_syscall) 26.782 - .endr
27.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/head.S Fri Oct 07 23:22:35 2005 +0100 27.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 27.3 @@ -1,41 +0,0 @@ 27.4 - 27.5 -.section __xen_guest 27.6 - .ascii "GUEST_OS=linux,GUEST_VER=2.4,XEN_VER=3.0,VIRT_BASE=0xC0000000" 27.7 - .ascii ",LOADER=generic" 27.8 - .byte 0 27.9 - 27.10 -.text 27.11 -#include <linux/config.h> 27.12 -#include <linux/threads.h> 27.13 -#include <linux/linkage.h> 27.14 -#include <asm/segment.h> 27.15 -#include <asm/page.h> 27.16 -#include <asm/pgtable.h> 27.17 -#include <asm/desc.h> 27.18 - 27.19 -ENTRY(stext) 27.20 -ENTRY(_stext) 27.21 - cld 27.22 - lss stack_start,%esp 27.23 - /* Copy the necessary stuff from xen_start_info structure. */ 27.24 - mov $SYMBOL_NAME(xen_start_info_union),%edi 27.25 - mov $128,%ecx 27.26 - rep movsl 27.27 - jmp SYMBOL_NAME(start_kernel) 27.28 - 27.29 -ENTRY(stack_start) 27.30 - .long SYMBOL_NAME(init_task_union)+8192, __KERNEL_DS 27.31 - 27.32 -.org 0x1000 27.33 -ENTRY(empty_zero_page) 27.34 - 27.35 -.org 0x2000 27.36 -ENTRY(default_ldt) 27.37 - 27.38 -.org 0x3000 27.39 -ENTRY(cpu0_pte_quicklist) 27.40 - 27.41 -.org 0x3400 27.42 -ENTRY(cpu0_pgd_quicklist) 27.43 - 27.44 -.org 0x3800
28.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/i386_ksyms.c Fri Oct 07 23:22:35 2005 +0100 28.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 28.3 @@ -1,180 +0,0 @@ 28.4 -#include <linux/config.h> 28.5 -#include <linux/module.h> 28.6 -#include <linux/smp.h> 28.7 -#include <linux/user.h> 28.8 -#include <linux/elfcore.h> 28.9 -#include <linux/mca.h> 28.10 -#include <linux/sched.h> 28.11 -#include <linux/in6.h> 28.12 -#include <linux/interrupt.h> 28.13 -#include <linux/smp_lock.h> 28.14 -#include <linux/pm.h> 28.15 -#include <linux/pci.h> 28.16 -#include <linux/apm_bios.h> 28.17 -#include <linux/kernel.h> 28.18 -#include <linux/string.h> 28.19 -#include <linux/tty.h> 28.20 - 28.21 -#include <asm/semaphore.h> 28.22 -#include <asm/processor.h> 28.23 -#include <asm/i387.h> 28.24 -#include <asm/uaccess.h> 28.25 -#include <asm/checksum.h> 28.26 -#include <asm/io.h> 28.27 -#include <asm/hardirq.h> 28.28 -#include <asm/delay.h> 28.29 -#include <asm/irq.h> 28.30 -#include <asm/mmx.h> 28.31 -#include <asm/desc.h> 28.32 -#include <asm/pgtable.h> 28.33 -#include <asm/pgalloc.h> 28.34 - 28.35 -extern void dump_thread(struct pt_regs *, struct user *); 28.36 -extern spinlock_t rtc_lock; 28.37 - 28.38 -#if defined(CONFIG_APMXXX) || defined(CONFIG_APM_MODULEXXX) 28.39 -extern void machine_real_restart(unsigned char *, int); 28.40 -EXPORT_SYMBOL(machine_real_restart); 28.41 -extern void default_idle(void); 28.42 -EXPORT_SYMBOL(default_idle); 28.43 -#endif 28.44 - 28.45 -#ifdef CONFIG_SMP 28.46 -extern void FASTCALL( __write_lock_failed(rwlock_t *rw)); 28.47 -extern void FASTCALL( __read_lock_failed(rwlock_t *rw)); 28.48 -#endif 28.49 - 28.50 -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) 28.51 -extern struct drive_info_struct drive_info; 28.52 -EXPORT_SYMBOL(drive_info); 28.53 -#endif 28.54 - 28.55 -// XXX extern unsigned long get_cmos_time(void); 28.56 - 28.57 -/* platform dependent support */ 28.58 -EXPORT_SYMBOL(boot_cpu_data); 28.59 -EXPORT_SYMBOL(dump_thread); 28.60 -EXPORT_SYMBOL(dump_fpu); 28.61 -EXPORT_SYMBOL(dump_extended_fpu); 28.62 -EXPORT_SYMBOL(__ioremap); 28.63 -EXPORT_SYMBOL(iounmap); 28.64 -EXPORT_SYMBOL(enable_irq); 28.65 -EXPORT_SYMBOL(disable_irq); 28.66 -EXPORT_SYMBOL(disable_irq_nosync); 28.67 -EXPORT_SYMBOL(probe_irq_mask); 28.68 -EXPORT_SYMBOL(kernel_thread); 28.69 -EXPORT_SYMBOL(pm_idle); 28.70 -EXPORT_SYMBOL(pm_power_off); 28.71 -EXPORT_SYMBOL(apm_info); 28.72 -//EXPORT_SYMBOL(gdt); 28.73 -EXPORT_SYMBOL(empty_zero_page); 28.74 -EXPORT_SYMBOL(phys_to_machine_mapping); 28.75 - 28.76 - 28.77 -#ifdef CONFIG_DEBUG_IOVIRT 28.78 -EXPORT_SYMBOL(__io_virt_debug); 28.79 -#endif 28.80 - 28.81 -EXPORT_SYMBOL_NOVERS(__down_failed); 28.82 -EXPORT_SYMBOL_NOVERS(__down_failed_interruptible); 28.83 -EXPORT_SYMBOL_NOVERS(__down_failed_trylock); 28.84 -EXPORT_SYMBOL_NOVERS(__up_wakeup); 28.85 -/* Networking helper routines. */ 28.86 -EXPORT_SYMBOL(csum_partial_copy_generic); 28.87 -/* Delay loops */ 28.88 -EXPORT_SYMBOL(__ndelay); 28.89 -EXPORT_SYMBOL(__udelay); 28.90 -EXPORT_SYMBOL(__delay); 28.91 -EXPORT_SYMBOL(__const_udelay); 28.92 - 28.93 -EXPORT_SYMBOL_NOVERS(__get_user_1); 28.94 -EXPORT_SYMBOL_NOVERS(__get_user_2); 28.95 -EXPORT_SYMBOL_NOVERS(__get_user_4); 28.96 - 28.97 -EXPORT_SYMBOL(strtok); 28.98 -EXPORT_SYMBOL(strpbrk); 28.99 -EXPORT_SYMBOL(strstr); 28.100 - 28.101 -EXPORT_SYMBOL(strncpy_from_user); 28.102 -EXPORT_SYMBOL(__strncpy_from_user); 28.103 -EXPORT_SYMBOL(clear_user); 28.104 -EXPORT_SYMBOL(__clear_user); 28.105 -EXPORT_SYMBOL(__generic_copy_from_user); 28.106 -EXPORT_SYMBOL(__generic_copy_to_user); 28.107 -EXPORT_SYMBOL(strnlen_user); 28.108 - 28.109 - 28.110 -EXPORT_SYMBOL(pci_alloc_consistent); 28.111 -EXPORT_SYMBOL(pci_free_consistent); 28.112 - 28.113 -#ifdef CONFIG_PCI 28.114 -EXPORT_SYMBOL(pcibios_penalize_isa_irq); 28.115 -EXPORT_SYMBOL(pci_mem_start); 28.116 -#endif 28.117 - 28.118 - 28.119 -#ifdef CONFIG_X86_USE_3DNOW 28.120 -EXPORT_SYMBOL(_mmx_memcpy); 28.121 -EXPORT_SYMBOL(mmx_clear_page); 28.122 -EXPORT_SYMBOL(mmx_copy_page); 28.123 -#endif 28.124 - 28.125 -#ifdef CONFIG_SMP 28.126 -EXPORT_SYMBOL(cpu_data); 28.127 -EXPORT_SYMBOL(kernel_flag_cacheline); 28.128 -EXPORT_SYMBOL(smp_num_cpus); 28.129 -EXPORT_SYMBOL(cpu_online_map); 28.130 -EXPORT_SYMBOL_NOVERS(__write_lock_failed); 28.131 -EXPORT_SYMBOL_NOVERS(__read_lock_failed); 28.132 - 28.133 -/* Global SMP irq stuff */ 28.134 -EXPORT_SYMBOL(synchronize_irq); 28.135 -EXPORT_SYMBOL(global_irq_holder); 28.136 -EXPORT_SYMBOL(__global_cli); 28.137 -EXPORT_SYMBOL(__global_sti); 28.138 -EXPORT_SYMBOL(__global_save_flags); 28.139 -EXPORT_SYMBOL(__global_restore_flags); 28.140 -EXPORT_SYMBOL(smp_call_function); 28.141 - 28.142 -/* TLB flushing */ 28.143 -EXPORT_SYMBOL(flush_tlb_page); 28.144 - 28.145 -/* HT support */ 28.146 -EXPORT_SYMBOL(smp_num_siblings); 28.147 -EXPORT_SYMBOL(cpu_sibling_map); 28.148 -#endif 28.149 - 28.150 -#ifdef CONFIG_X86_IO_APIC 28.151 -EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); 28.152 -#endif 28.153 - 28.154 -#ifdef CONFIG_VT 28.155 -EXPORT_SYMBOL(screen_info); 28.156 -#endif 28.157 - 28.158 -EXPORT_SYMBOL(get_wchan); 28.159 - 28.160 -EXPORT_SYMBOL(rtc_lock); 28.161 - 28.162 -#undef memcpy 28.163 -#undef memset 28.164 -extern void * memset(void *,int,__kernel_size_t); 28.165 -extern void * memcpy(void *,const void *,__kernel_size_t); 28.166 -EXPORT_SYMBOL_NOVERS(memcpy); 28.167 -EXPORT_SYMBOL_NOVERS(memset); 28.168 - 28.169 -#ifdef CONFIG_HAVE_DEC_LOCK 28.170 -EXPORT_SYMBOL(atomic_dec_and_lock); 28.171 -#endif 28.172 - 28.173 -#ifdef CONFIG_MULTIQUAD 28.174 -EXPORT_SYMBOL(xquad_portio); 28.175 -#endif 28.176 - 28.177 -#include <asm/xen_proc.h> 28.178 -EXPORT_SYMBOL(create_xen_proc_entry); 28.179 -EXPORT_SYMBOL(remove_xen_proc_entry); 28.180 - 28.181 -EXPORT_SYMBOL(evtchn_do_upcall); 28.182 -EXPORT_SYMBOL(force_evtchn_callback); 28.183 -EXPORT_SYMBOL(HYPERVISOR_shared_info);
29.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/irq.c Fri Oct 07 23:22:35 2005 +0100 29.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 29.3 @@ -1,1242 +0,0 @@ 29.4 -/* 29.5 - * linux/arch/i386/kernel/irq.c 29.6 - * 29.7 - * Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar 29.8 - * 29.9 - * This file contains the code used by various IRQ handling routines: 29.10 - * asking for different IRQ's should be done through these routines 29.11 - * instead of just grabbing them. Thus setups with different IRQ numbers 29.12 - * shouldn't result in any weird surprises, and installing new handlers 29.13 - * should be easier. 29.14 - */ 29.15 - 29.16 -/* 29.17 - * (mostly architecture independent, will move to kernel/irq.c in 2.5.) 29.18 - * 29.19 - * IRQs are in fact implemented a bit like signal handlers for the kernel. 29.20 - * Naturally it's not a 1:1 relation, but there are similarities. 29.21 - */ 29.22 - 29.23 -#include <linux/config.h> 29.24 -#include <linux/ptrace.h> 29.25 -#include <linux/errno.h> 29.26 -#include <linux/signal.h> 29.27 -#include <linux/sched.h> 29.28 -#include <linux/ioport.h> 29.29 -#include <linux/interrupt.h> 29.30 -#include <linux/timex.h> 29.31 -#include <linux/slab.h> 29.32 -#include <linux/random.h> 29.33 -#include <linux/smp_lock.h> 29.34 -#include <linux/init.h> 29.35 -#include <linux/kernel_stat.h> 29.36 -#include <linux/irq.h> 29.37 -#include <linux/proc_fs.h> 29.38 -#include <linux/seq_file.h> 29.39 - 29.40 -#include <asm/atomic.h> 29.41 -#include <asm/io.h> 29.42 -#include <asm/smp.h> 29.43 -#include <asm/system.h> 29.44 -#include <asm/bitops.h> 29.45 -#include <asm/uaccess.h> 29.46 -#include <asm/pgalloc.h> 29.47 -#include <asm/delay.h> 29.48 -#include <asm/desc.h> 29.49 -#include <asm/irq.h> 29.50 - 29.51 - 29.52 - 29.53 -/* 29.54 - * Linux has a controller-independent x86 interrupt architecture. 29.55 - * every controller has a 'controller-template', that is used 29.56 - * by the main code to do the right thing. Each driver-visible 29.57 - * interrupt source is transparently wired to the apropriate 29.58 - * controller. Thus drivers need not be aware of the 29.59 - * interrupt-controller. 29.60 - * 29.61 - * Various interrupt controllers we handle: 8259 PIC, SMP IO-APIC, 29.62 - * PIIX4's internal 8259 PIC and SGI's Visual Workstation Cobalt (IO-)APIC. 29.63 - * (IO-APICs assumed to be messaging to Pentium local-APICs) 29.64 - * 29.65 - * the code is designed to be easily extended with new/different 29.66 - * interrupt controllers, without having to do assembly magic. 29.67 - */ 29.68 - 29.69 -/* 29.70 - * Controller mappings for all interrupt sources: 29.71 - */ 29.72 -irq_desc_t irq_desc[NR_IRQS] __cacheline_aligned = 29.73 - { [0 ... NR_IRQS-1] = { 0, &no_irq_type, NULL, 0, SPIN_LOCK_UNLOCKED}}; 29.74 - 29.75 -static void register_irq_proc (unsigned int irq); 29.76 - 29.77 -/* 29.78 - * Special irq handlers. 29.79 - */ 29.80 - 29.81 -void no_action(int cpl, void *dev_id, struct pt_regs *regs) { } 29.82 - 29.83 -/* 29.84 - * Generic no controller code 29.85 - */ 29.86 - 29.87 -static void enable_none(unsigned int irq) { } 29.88 -static unsigned int startup_none(unsigned int irq) { return 0; } 29.89 -static void disable_none(unsigned int irq) { } 29.90 -static void ack_none(unsigned int irq) 29.91 -{ 29.92 -/* 29.93 - * 'what should we do if we get a hw irq event on an illegal vector'. 29.94 - * each architecture has to answer this themselves, it doesnt deserve 29.95 - * a generic callback i think. 29.96 - */ 29.97 -#if CONFIG_X86 29.98 - printk("unexpected IRQ trap at vector %02x\n", irq); 29.99 -#ifdef CONFIG_X86_LOCAL_APIC 29.100 - /* 29.101 - * Currently unexpected vectors happen only on SMP and APIC. 29.102 - * We _must_ ack these because every local APIC has only N 29.103 - * irq slots per priority level, and a 'hanging, unacked' IRQ 29.104 - * holds up an irq slot - in excessive cases (when multiple 29.105 - * unexpected vectors occur) that might lock up the APIC 29.106 - * completely. 29.107 - */ 29.108 - ack_APIC_irq(); 29.109 -#endif 29.110 -#endif 29.111 -} 29.112 - 29.113 -/* startup is the same as "enable", shutdown is same as "disable" */ 29.114 -#define shutdown_none disable_none 29.115 -#define end_none enable_none 29.116 - 29.117 -struct hw_interrupt_type no_irq_type = { 29.118 - "none", 29.119 - startup_none, 29.120 - shutdown_none, 29.121 - enable_none, 29.122 - disable_none, 29.123 - ack_none, 29.124 - end_none 29.125 -}; 29.126 - 29.127 -atomic_t irq_err_count; 29.128 -#ifdef CONFIG_X86_IO_APIC 29.129 -#ifdef APIC_MISMATCH_DEBUG 29.130 -atomic_t irq_mis_count; 29.131 -#endif 29.132 -#endif 29.133 - 29.134 -/* 29.135 - * Generic, controller-independent functions: 29.136 - */ 29.137 - 29.138 -int show_interrupts(struct seq_file *p, void *v) 29.139 -{ 29.140 - int i, j; 29.141 - struct irqaction * action; 29.142 - 29.143 - seq_printf(p, " "); 29.144 - for (j=0; j<smp_num_cpus; j++) 29.145 - seq_printf(p, "CPU%d ",j); 29.146 - seq_putc(p,'\n'); 29.147 - 29.148 - for (i = 0 ; i < NR_IRQS ; i++) { 29.149 - action = irq_desc[i].action; 29.150 - if (!action) 29.151 - continue; 29.152 - seq_printf(p, "%3d: ",i); 29.153 -#ifndef CONFIG_SMP 29.154 - seq_printf(p, "%10u ", kstat_irqs(i)); 29.155 -#else 29.156 - for (j = 0; j < smp_num_cpus; j++) 29.157 - seq_printf(p, "%10u ", 29.158 - kstat.irqs[cpu_logical_map(j)][i]); 29.159 -#endif 29.160 - seq_printf(p, " %14s", irq_desc[i].handler->typename); 29.161 - seq_printf(p, " %s", action->name); 29.162 - 29.163 - for (action=action->next; action; action = action->next) 29.164 - seq_printf(p, ", %s", action->name); 29.165 - seq_putc(p,'\n'); 29.166 - } 29.167 - seq_printf(p, "NMI: "); 29.168 - for (j = 0; j < smp_num_cpus; j++) 29.169 - seq_printf(p, "%10u ", 29.170 - nmi_count(cpu_logical_map(j))); 29.171 - seq_printf(p, "\n"); 29.172 -#if CONFIG_X86_LOCAL_APIC 29.173 - seq_printf(p, "LOC: "); 29.174 - for (j = 0; j < smp_num_cpus; j++) 29.175 - seq_printf(p, "%10u ", 29.176 - apic_timer_irqs[cpu_logical_map(j)]); 29.177 - seq_printf(p, "\n"); 29.178 -#endif 29.179 - seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); 29.180 -#ifdef CONFIG_X86_IO_APIC 29.181 -#ifdef APIC_MISMATCH_DEBUG 29.182 - seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); 29.183 -#endif 29.184 -#endif 29.185 - 29.186 - return 0; 29.187 -} 29.188 - 29.189 - 29.190 -/* 29.191 - * Global interrupt locks for SMP. Allow interrupts to come in on any 29.192 - * CPU, yet make cli/sti act globally to protect critical regions.. 29.193 - */ 29.194 - 29.195 -#ifdef CONFIG_SMP 29.196 -unsigned char global_irq_holder = NO_PROC_ID; 29.197 -unsigned volatile long global_irq_lock; /* pendantic: long for set_bit --RR */ 29.198 - 29.199 -extern void show_stack(unsigned long* esp); 29.200 - 29.201 -static void show(char * str) 29.202 -{ 29.203 - int i; 29.204 - int cpu = smp_processor_id(); 29.205 - 29.206 - printk("\n%s, CPU %d:\n", str, cpu); 29.207 - printk("irq: %d [",irqs_running()); 29.208 - for(i=0;i < smp_num_cpus;i++) 29.209 - printk(" %d",local_irq_count(i)); 29.210 - printk(" ]\nbh: %d [",spin_is_locked(&global_bh_lock) ? 1 : 0); 29.211 - for(i=0;i < smp_num_cpus;i++) 29.212 - printk(" %d",local_bh_count(i)); 29.213 - 29.214 - printk(" ]\nStack dumps:"); 29.215 - for(i = 0; i < smp_num_cpus; i++) { 29.216 - unsigned long esp; 29.217 - if (i == cpu) 29.218 - continue; 29.219 - printk("\nCPU %d:",i); 29.220 - esp = init_tss[i].esp0; 29.221 - if (!esp) { 29.222 - /* tss->esp0 is set to NULL in cpu_init(), 29.223 - * it's initialized when the cpu returns to user 29.224 - * space. -- manfreds 29.225 - */ 29.226 - printk(" <unknown> "); 29.227 - continue; 29.228 - } 29.229 - esp &= ~(THREAD_SIZE-1); 29.230 - esp += sizeof(struct task_struct); 29.231 - show_stack((void*)esp); 29.232 - } 29.233 - printk("\nCPU %d:",cpu); 29.234 - show_stack(NULL); 29.235 - printk("\n"); 29.236 -} 29.237 - 29.238 -#define MAXCOUNT 100000000 29.239 - 29.240 -/* 29.241 - * I had a lockup scenario where a tight loop doing 29.242 - * spin_unlock()/spin_lock() on CPU#1 was racing with 29.243 - * spin_lock() on CPU#0. CPU#0 should have noticed spin_unlock(), but 29.244 - * apparently the spin_unlock() information did not make it 29.245 - * through to CPU#0 ... nasty, is this by design, do we have to limit 29.246 - * 'memory update oscillation frequency' artificially like here? 29.247 - * 29.248 - * Such 'high frequency update' races can be avoided by careful design, but 29.249 - * some of our major constructs like spinlocks use similar techniques, 29.250 - * it would be nice to clarify this issue. Set this define to 0 if you 29.251 - * want to check whether your system freezes. I suspect the delay done 29.252 - * by SYNC_OTHER_CORES() is in correlation with 'snooping latency', but 29.253 - * i thought that such things are guaranteed by design, since we use 29.254 - * the 'LOCK' prefix. 29.255 - */ 29.256 -#define SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 0 29.257 - 29.258 -#if SUSPECTED_CPU_OR_CHIPSET_BUG_WORKAROUND 29.259 -# define SYNC_OTHER_CORES(x) udelay(x+1) 29.260 -#else 29.261 -/* 29.262 - * We have to allow irqs to arrive between __sti and __cli 29.263 - */ 29.264 -# define SYNC_OTHER_CORES(x) __asm__ __volatile__ ("nop") 29.265 -#endif 29.266 - 29.267 -static inline void wait_on_irq(int cpu) 29.268 -{ 29.269 - int count = MAXCOUNT; 29.270 - 29.271 - for (;;) { 29.272 - 29.273 - /* 29.274 - * Wait until all interrupts are gone. Wait 29.275 - * for bottom half handlers unless we're 29.276 - * already executing in one.. 29.277 - */ 29.278 - if (!irqs_running()) 29.279 - if (local_bh_count(cpu) || !spin_is_locked(&global_bh_lock)) 29.280 - break; 29.281 - 29.282 - /* Duh, we have to loop. Release the lock to avoid deadlocks */ 29.283 - clear_bit(0,&global_irq_lock); 29.284 - 29.285 - for (;;) { 29.286 - if (!--count) { 29.287 - show("wait_on_irq"); 29.288 - count = ~0; 29.289 - } 29.290 - __sti(); 29.291 - SYNC_OTHER_CORES(cpu); 29.292 - __cli(); 29.293 - if (irqs_running()) 29.294 - continue; 29.295 - if (global_irq_lock) 29.296 - continue; 29.297 - if (!local_bh_count(cpu) && spin_is_locked(&global_bh_lock)) 29.298 - continue; 29.299 - if (!test_and_set_bit(0,&global_irq_lock)) 29.300 - break; 29.301 - } 29.302 - } 29.303 -} 29.304 - 29.305 -/* 29.306 - * This is called when we want to synchronize with 29.307 - * interrupts. We may for example tell a device to 29.308 - * stop sending interrupts: but to make sure there 29.309 - * are no interrupts that are executing on another 29.310 - * CPU we need to call this function. 29.311 - */ 29.312 -void synchronize_irq(void) 29.313 -{ 29.314 - if (irqs_running()) { 29.315 - /* Stupid approach */ 29.316 - cli(); 29.317 - sti(); 29.318 - } 29.319 -} 29.320 - 29.321 -static inline void get_irqlock(int cpu) 29.322 -{ 29.323 - if (test_and_set_bit(0,&global_irq_lock)) { 29.324 - /* do we already hold the lock? */ 29.325 - if ((unsigned char) cpu == global_irq_holder) 29.326 - return; 29.327 - /* Uhhuh.. Somebody else got it. Wait.. */ 29.328 - do { 29.329 - do { 29.330 - rep_nop(); 29.331 - } while (test_bit(0,&global_irq_lock)); 29.332 - } while (test_and_set_bit(0,&global_irq_lock)); 29.333 - } 29.334 - /* 29.335 - * We also to make sure that nobody else is running 29.336 - * in an interrupt context. 29.337 - */ 29.338 - wait_on_irq(cpu); 29.339 - 29.340 - /* 29.341 - * Ok, finally.. 29.342 - */ 29.343 - global_irq_holder = cpu; 29.344 -} 29.345 - 29.346 -/* 29.347 - * A global "cli()" while in an interrupt context 29.348 - * turns into just a local cli(). Interrupts 29.349 - * should use spinlocks for the (very unlikely) 29.350 - * case that they ever want to protect against 29.351 - * each other. 29.352 - * 29.353 - * If we already have local interrupts disabled, 29.354 - * this will not turn a local disable into a 29.355 - * global one (problems with spinlocks: this makes 29.356 - * save_flags+cli+sti usable inside a spinlock). 29.357 - */ 29.358 -void __global_cli(void) 29.359 -{ 29.360 - unsigned int flags; 29.361 - 29.362 - __save_flags(flags); 29.363 - if (!flags) { 29.364 - int cpu = smp_processor_id(); 29.365 - __cli(); 29.366 - if (!local_irq_count(cpu)) 29.367 - get_irqlock(cpu); 29.368 - } 29.369 -} 29.370 - 29.371 -void __global_sti(void) 29.372 -{ 29.373 - int cpu = smp_processor_id(); 29.374 - 29.375 - if (!local_irq_count(cpu)) 29.376 - release_irqlock(cpu); 29.377 - __sti(); 29.378 -} 29.379 - 29.380 -/* 29.381 - * SMP flags value to restore to: 29.382 - * 0 - global cli 29.383 - * 1 - global sti 29.384 - * 2 - local cli 29.385 - * 3 - local sti 29.386 - */ 29.387 -unsigned long __global_save_flags(void) 29.388 -{ 29.389 - int retval; 29.390 - int local_enabled; 29.391 - unsigned long flags; 29.392 - int cpu = smp_processor_id(); 29.393 - 29.394 - __save_flags(flags); 29.395 - local_enabled = !flags; 29.396 - /* default to local */ 29.397 - retval = 2 + local_enabled; 29.398 - 29.399 - /* check for global flags if we're not in an interrupt */ 29.400 - if (!local_irq_count(cpu)) { 29.401 - if (local_enabled) 29.402 - retval = 1; 29.403 - if (global_irq_holder == cpu) 29.404 - retval = 0; 29.405 - } 29.406 - return retval; 29.407 -} 29.408 - 29.409 -void __global_restore_flags(unsigned long flags) 29.410 -{ 29.411 - switch (flags) { 29.412 - case 0: 29.413 - __global_cli(); 29.414 - break; 29.415 - case 1: 29.416 - __global_sti(); 29.417 - break; 29.418 - case 2: 29.419 - __cli(); 29.420 - break; 29.421 - case 3: 29.422 - __sti(); 29.423 - break; 29.424 - default: 29.425 - printk("global_restore_flags: %08lx (%08lx)\n", 29.426 - flags, (&flags)[-1]); 29.427 - } 29.428 -} 29.429 - 29.430 -#endif 29.431 - 29.432 -/* 29.433 - * This should really return information about whether 29.434 - * we should do bottom half handling etc. Right now we 29.435 - * end up _always_ checking the bottom half, which is a 29.436 - * waste of time and is not what some drivers would 29.437 - * prefer. 29.438 - */ 29.439 -int handle_IRQ_event(unsigned int irq, struct pt_regs * regs, struct irqaction * action) 29.440 -{ 29.441 - int status; 29.442 - int cpu = smp_processor_id(); 29.443 - 29.444 - irq_enter(cpu, irq); 29.445 - 29.446 - status = 1; /* Force the "do bottom halves" bit */ 29.447 - 29.448 - if (!(action->flags & SA_INTERRUPT)) 29.449 - __sti(); 29.450 - 29.451 - do { 29.452 - status |= action->flags; 29.453 - action->handler(irq, action->dev_id, regs); 29.454 - action = action->next; 29.455 - } while (action); 29.456 - if (status & SA_SAMPLE_RANDOM) 29.457 - add_interrupt_randomness(irq); 29.458 - __cli(); 29.459 - 29.460 - irq_exit(cpu, irq); 29.461 - 29.462 - return status; 29.463 -} 29.464 - 29.465 -/* 29.466 - * Generic enable/disable code: this just calls 29.467 - * down into the PIC-specific version for the actual 29.468 - * hardware disable after having gotten the irq 29.469 - * controller lock. 29.470 - */ 29.471 - 29.472 -/** 29.473 - * disable_irq_nosync - disable an irq without waiting 29.474 - * @irq: Interrupt to disable 29.475 - * 29.476 - * Disable the selected interrupt line. Disables and Enables are 29.477 - * nested. 29.478 - * Unlike disable_irq(), this function does not ensure existing 29.479 - * instances of the IRQ handler have completed before returning. 29.480 - * 29.481 - * This function may be called from IRQ context. 29.482 - */ 29.483 - 29.484 -inline void disable_irq_nosync(unsigned int irq) 29.485 -{ 29.486 - irq_desc_t *desc = irq_desc + irq; 29.487 - unsigned long flags; 29.488 - 29.489 - spin_lock_irqsave(&desc->lock, flags); 29.490 - if (!desc->depth++) { 29.491 - desc->status |= IRQ_DISABLED; 29.492 - desc->handler->disable(irq); 29.493 - } 29.494 - spin_unlock_irqrestore(&desc->lock, flags); 29.495 -} 29.496 - 29.497 -/** 29.498 - * disable_irq - disable an irq and wait for completion 29.499 - * @irq: Interrupt to disable 29.500 - * 29.501 - * Disable the selected interrupt line. Enables and Disables are 29.502 - * nested. 29.503 - * This function waits for any pending IRQ handlers for this interrupt 29.504 - * to complete before returning. If you use this function while 29.505 - * holding a resource the IRQ handler may need you will deadlock. 29.506 - * 29.507 - * This function may be called - with care - from IRQ context. 29.508 - */ 29.509 - 29.510 -void disable_irq(unsigned int irq) 29.511 -{ 29.512 - disable_irq_nosync(irq); 29.513 - 29.514 - if (!local_irq_count(smp_processor_id())) { 29.515 - do { 29.516 - barrier(); 29.517 - cpu_relax(); 29.518 - } while (irq_desc[irq].status & IRQ_INPROGRESS); 29.519 - } 29.520 -} 29.521 - 29.522 -/** 29.523 - * enable_irq - enable handling of an irq 29.524 - * @irq: Interrupt to enable 29.525 - * 29.526 - * Undoes the effect of one call to disable_irq(). If this 29.527 - * matches the last disable, processing of interrupts on this 29.528 - * IRQ line is re-enabled. 29.529 - * 29.530 - * This function may be called from IRQ context. 29.531 - */ 29.532 - 29.533 -void enable_irq(unsigned int irq) 29.534 -{ 29.535 - irq_desc_t *desc = irq_desc + irq; 29.536 - unsigned long flags; 29.537 - 29.538 - spin_lock_irqsave(&desc->lock, flags); 29.539 - switch (desc->depth) { 29.540 - case 1: { 29.541 - unsigned int status = desc->status & ~IRQ_DISABLED; 29.542 - desc->status = status; 29.543 - if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { 29.544 - desc->status = status | IRQ_REPLAY; 29.545 - hw_resend_irq(desc->handler,irq); 29.546 - } 29.547 - desc->handler->enable(irq); 29.548 - /* fall-through */ 29.549 - } 29.550 - default: 29.551 - desc->depth--; 29.552 - break; 29.553 - case 0: 29.554 - printk("enable_irq(%u) unbalanced from %p\n", irq, 29.555 - __builtin_return_address(0)); 29.556 - } 29.557 - spin_unlock_irqrestore(&desc->lock, flags); 29.558 -} 29.559 - 29.560 -/* 29.561 - * do_IRQ handles all normal device IRQ's (the special 29.562 - * SMP cross-CPU interrupts have their own specific 29.563 - * handlers). 29.564 - */ 29.565 -asmlinkage unsigned int do_IRQ(struct pt_regs *regs) 29.566 -{ 29.567 - /* 29.568 - * We ack quickly, we don't want the irq controller 29.569 - * thinking we're snobs just because some other CPU has 29.570 - * disabled global interrupts (we have already done the 29.571 - * INT_ACK cycles, it's too late to try to pretend to the 29.572 - * controller that we aren't taking the interrupt). 29.573 - * 29.574 - * 0 return value means that this irq is already being 29.575 - * handled by some other CPU. (or is disabled) 29.576 - */ 29.577 - int irq = regs->orig_eax & 0xff; /* high bits used in ret_from_ code */ 29.578 - int cpu = smp_processor_id(); 29.579 - irq_desc_t *desc = irq_desc + irq; 29.580 - struct irqaction * action; 29.581 - unsigned int status; 29.582 -#ifdef CONFIG_DEBUG_STACKOVERFLOW 29.583 - long esp; 29.584 - 29.585 - /* Debugging check for stack overflow: is there less than 1KB free? */ 29.586 - __asm__ __volatile__("andl %%esp,%0" : "=r" (esp) : "0" (8191)); 29.587 - if (unlikely(esp < (sizeof(struct task_struct) + 1024))) { 29.588 - extern void show_stack(unsigned long *); 29.589 - 29.590 - printk("do_IRQ: stack overflow: %ld\n", 29.591 - esp - sizeof(struct task_struct)); 29.592 - __asm__ __volatile__("movl %%esp,%0" : "=r" (esp)); 29.593 - show_stack((void *)esp); 29.594 - } 29.595 -#endif 29.596 - 29.597 - kstat.irqs[cpu][irq]++; 29.598 - spin_lock(&desc->lock); 29.599 - desc->handler->ack(irq); 29.600 - /* 29.601 - REPLAY is when Linux resends an IRQ that was dropped earlier 29.602 - WAITING is used by probe to mark irqs that are being tested 29.603 - */ 29.604 - status = desc->status & ~(IRQ_REPLAY | IRQ_WAITING); 29.605 - status |= IRQ_PENDING; /* we _want_ to handle it */ 29.606 - 29.607 - /* 29.608 - * If the IRQ is disabled for whatever reason, we cannot 29.609 - * use the action we have. 29.610 - */ 29.611 - action = NULL; 29.612 - if (!(status & (IRQ_DISABLED | IRQ_INPROGRESS))) { 29.613 - action = desc->action; 29.614 - status &= ~IRQ_PENDING; /* we commit to handling */ 29.615 - status |= IRQ_INPROGRESS; /* we are handling it */ 29.616 - } 29.617 - desc->status = status; 29.618 - 29.619 - /* 29.620 - * If there is no IRQ handler or it was disabled, exit early. 29.621 - Since we set PENDING, if another processor is handling 29.622 - a different instance of this same irq, the other processor 29.623 - will take care of it. 29.624 - */ 29.625 - if (!action) 29.626 - goto out; 29.627 - 29.628 - /* 29.629 - * Edge triggered interrupts need to remember 29.630 - * pending events. 29.631 - * This applies to any hw interrupts that allow a second 29.632 - * instance of the same irq to arrive while we are in do_IRQ 29.633 - * or in the handler. But the code here only handles the _second_ 29.634 - * instance of the irq, not the third or fourth. So it is mostly 29.635 - * useful for irq hardware that does not mask cleanly in an 29.636 - * SMP environment. 29.637 - */ 29.638 - for (;;) { 29.639 - spin_unlock(&desc->lock); 29.640 - handle_IRQ_event(irq, regs, action); 29.641 - spin_lock(&desc->lock); 29.642 - 29.643 - if (!(desc->status & IRQ_PENDING)) 29.644 - break; 29.645 - desc->status &= ~IRQ_PENDING; 29.646 - } 29.647 - desc->status &= ~IRQ_INPROGRESS; 29.648 -out: 29.649 - /* 29.650 - * The ->end() handler has to deal with interrupts which got 29.651 - * disabled while the handler was running. 29.652 - */ 29.653 - desc->handler->end(irq); 29.654 - spin_unlock(&desc->lock); 29.655 - 29.656 - if (softirq_pending(cpu)) 29.657 - do_softirq(); 29.658 - return 1; 29.659 -} 29.660 - 29.661 -/** 29.662 - * request_irq - allocate an interrupt line 29.663 - * @irq: Interrupt line to allocate 29.664 - * @handler: Function to be called when the IRQ occurs 29.665 - * @irqflags: Interrupt type flags 29.666 - * @devname: An ascii name for the claiming device 29.667 - * @dev_id: A cookie passed back to the handler function 29.668 - * 29.669 - * This call allocates interrupt resources and enables the 29.670 - * interrupt line and IRQ handling. From the point this 29.671 - * call is made your handler function may be invoked. Since 29.672 - * your handler function must clear any interrupt the board 29.673 - * raises, you must take care both to initialise your hardware 29.674 - * and to set up the interrupt handler in the right order. 29.675 - * 29.676 - * Dev_id must be globally unique. Normally the address of the 29.677 - * device data structure is used as the cookie. Since the handler 29.678 - * receives this value it makes sense to use it. 29.679 - * 29.680 - * If your interrupt is shared you must pass a non NULL dev_id 29.681 - * as this is required when freeing the interrupt. 29.682 - * 29.683 - * Flags: 29.684 - * 29.685 - * SA_SHIRQ Interrupt is shared 29.686 - * 29.687 - * SA_INTERRUPT Disable local interrupts while processing 29.688 - * 29.689 - * SA_SAMPLE_RANDOM The interrupt can be used for entropy 29.690 - * 29.691 - */ 29.692 - 29.693 -int request_irq(unsigned int irq, 29.694 - void (*handler)(int, void *, struct pt_regs *), 29.695 - unsigned long irqflags, 29.696 - const char * devname, 29.697 - void *dev_id) 29.698 -{ 29.699 - int retval; 29.700 - struct irqaction * action; 29.701 - 29.702 -#if 1 29.703 - /* 29.704 - * Sanity-check: shared interrupts should REALLY pass in 29.705 - * a real dev-ID, otherwise we'll have trouble later trying 29.706 - * to figure out which interrupt is which (messes up the 29.707 - * interrupt freeing logic etc). 29.708 - */ 29.709 - if (irqflags & SA_SHIRQ) { 29.710 - if (!dev_id) 29.711 - printk("Bad boy: %s (at 0x%x) called us without a dev_id!\n", devname, (&irq)[-1]); 29.712 - } 29.713 -#endif 29.714 - 29.715 - if (irq >= NR_IRQS) 29.716 - return -EINVAL; 29.717 - if (!handler) 29.718 - return -EINVAL; 29.719 - 29.720 - action = (struct irqaction *) 29.721 - kmalloc(sizeof(struct irqaction), GFP_KERNEL); 29.722 - if (!action) 29.723 - return -ENOMEM; 29.724 - 29.725 - action->handler = handler; 29.726 - action->flags = irqflags; 29.727 - action->mask = 0; 29.728 - action->name = devname; 29.729 - action->next = NULL; 29.730 - action->dev_id = dev_id; 29.731 - 29.732 - retval = setup_irq(irq, action); 29.733 - if (retval) 29.734 - kfree(action); 29.735 - return retval; 29.736 -} 29.737 - 29.738 -/* 29.739 - * Internal function to unregister an irqaction - typically used to 29.740 - * deallocate special interrupts that are part of the architecture. 29.741 - */ 29.742 -int teardown_irq(unsigned int irq, struct irqaction * old) 29.743 -{ 29.744 - irq_desc_t *desc; 29.745 - struct irqaction **p; 29.746 - unsigned long flags; 29.747 - 29.748 - if (irq >= NR_IRQS) 29.749 - return -ENOENT; 29.750 - 29.751 - desc = irq_desc + irq; 29.752 - spin_lock_irqsave(&desc->lock,flags); 29.753 - p = &desc->action; 29.754 - for (;;) { 29.755 - struct irqaction * action = *p; 29.756 - if (action) { 29.757 - struct irqaction **pp = p; 29.758 - p = &action->next; 29.759 - if (action != old) 29.760 - continue; 29.761 - 29.762 - /* Found it - now remove it from the list of entries */ 29.763 - *pp = action->next; 29.764 - if (!desc->action) { 29.765 - desc->status |= IRQ_DISABLED; 29.766 - desc->handler->shutdown(irq); 29.767 - } 29.768 - spin_unlock_irqrestore(&desc->lock,flags); 29.769 - 29.770 -#ifdef CONFIG_SMP 29.771 - /* Wait to make sure it's not being used on another CPU */ 29.772 - while (desc->status & IRQ_INPROGRESS) { 29.773 - barrier(); 29.774 - cpu_relax(); 29.775 - } 29.776 -#endif 29.777 - return 0; 29.778 - } 29.779 - printk("Trying to free free IRQ%d\n",irq); 29.780 - spin_unlock_irqrestore(&desc->lock,flags); 29.781 - return -ENOENT; 29.782 - } 29.783 -} 29.784 - 29.785 -/** 29.786 - * free_irq - free an interrupt 29.787 - * @irq: Interrupt line to free 29.788 - * @dev_id: Device identity to free 29.789 - * 29.790 - * Remove an interrupt handler. The handler is removed and if the 29.791 - * interrupt line is no longer in use by any driver it is disabled. 29.792 - * On a shared IRQ the caller must ensure the interrupt is disabled 29.793 - * on the card it drives before calling this function. The function 29.794 - * does not return until any executing interrupts for this IRQ 29.795 - * have completed. 29.796 - * 29.797 - * This function may be called from interrupt context. 29.798 - * 29.799 - * Bugs: Attempting to free an irq in a handler for the same irq hangs 29.800 - * the machine. 29.801 - */ 29.802 - 29.803 -void free_irq(unsigned int irq, void *dev_id) 29.804 -{ 29.805 - irq_desc_t *desc; 29.806 - struct irqaction *action; 29.807 - unsigned long flags; 29.808 - 29.809 - if (irq >= NR_IRQS) 29.810 - return; 29.811 - 29.812 - desc = irq_desc + irq; 29.813 - spin_lock_irqsave(&desc->lock,flags); 29.814 - for (action = desc->action; action != NULL; action = action->next) { 29.815 - if (action->dev_id != dev_id) 29.816 - continue; 29.817 - 29.818 - spin_unlock_irqrestore(&desc->lock,flags); 29.819 - 29.820 - if (teardown_irq(irq, action) == 0) 29.821 - kfree(action); 29.822 - return; 29.823 - } 29.824 - printk("Trying to free free IRQ%d\n",irq); 29.825 - spin_unlock_irqrestore(&desc->lock,flags); 29.826 - return; 29.827 -} 29.828 - 29.829 -/* 29.830 - * IRQ autodetection code.. 29.831 - * 29.832 - * This depends on the fact that any interrupt that 29.833 - * comes in on to an unassigned handler will get stuck 29.834 - * with "IRQ_WAITING" cleared and the interrupt 29.835 - * disabled. 29.836 - */ 29.837 - 29.838 -static DECLARE_MUTEX(probe_sem); 29.839 - 29.840 -/** 29.841 - * probe_irq_on - begin an interrupt autodetect 29.842 - * 29.843 - * Commence probing for an interrupt. The interrupts are scanned 29.844 - * and a mask of potential interrupt lines is returned. 29.845 - * 29.846 - */ 29.847 - 29.848 -unsigned long probe_irq_on(void) 29.849 -{ 29.850 - unsigned int i; 29.851 - irq_desc_t *desc; 29.852 - unsigned long val; 29.853 - unsigned long delay; 29.854 - 29.855 - down(&probe_sem); 29.856 - /* 29.857 - * something may have generated an irq long ago and we want to 29.858 - * flush such a longstanding irq before considering it as spurious. 29.859 - */ 29.860 - for (i = NR_PIRQS-1; i > 0; i--) { 29.861 - desc = irq_desc + i; 29.862 - 29.863 - spin_lock_irq(&desc->lock); 29.864 - if (!irq_desc[i].action) 29.865 - irq_desc[i].handler->startup(i); 29.866 - spin_unlock_irq(&desc->lock); 29.867 - } 29.868 - 29.869 - /* Wait for longstanding interrupts to trigger. */ 29.870 - for (delay = jiffies + HZ/50; time_after(delay, jiffies); ) 29.871 - /* about 20ms delay */ synchronize_irq(); 29.872 - 29.873 - /* 29.874 - * enable any unassigned irqs 29.875 - * (we must startup again here because if a longstanding irq 29.876 - * happened in the previous stage, it may have masked itself) 29.877 - */ 29.878 - for (i = NR_PIRQS-1; i > 0; i--) { 29.879 - desc = irq_desc + i; 29.880 - 29.881 - spin_lock_irq(&desc->lock); 29.882 - if (!desc->action) { 29.883 - desc->status |= IRQ_AUTODETECT | IRQ_WAITING; 29.884 - if (desc->handler->startup(i)) 29.885 - desc->status |= IRQ_PENDING; 29.886 - } 29.887 - spin_unlock_irq(&desc->lock); 29.888 - } 29.889 - 29.890 - /* 29.891 - * Wait for spurious interrupts to trigger 29.892 - */ 29.893 - for (delay = jiffies + HZ/10; time_after(delay, jiffies); ) 29.894 - /* about 100ms delay */ synchronize_irq(); 29.895 - 29.896 - /* 29.897 - * Now filter out any obviously spurious interrupts 29.898 - */ 29.899 - val = 0; 29.900 - for (i = 0; i < NR_PIRQS; i++) { 29.901 - irq_desc_t *desc = irq_desc + i; 29.902 - unsigned int status; 29.903 - 29.904 - spin_lock_irq(&desc->lock); 29.905 - status = desc->status; 29.906 - 29.907 - if (status & IRQ_AUTODETECT) { 29.908 - /* It triggered already - consider it spurious. */ 29.909 - if (!(status & IRQ_WAITING)) { 29.910 - desc->status = status & ~IRQ_AUTODETECT; 29.911 - desc->handler->shutdown(i); 29.912 - } else 29.913 - if (i < 32) 29.914 - val |= 1 << i; 29.915 - } 29.916 - spin_unlock_irq(&desc->lock); 29.917 - } 29.918 - 29.919 - return val; 29.920 -} 29.921 - 29.922 -/* 29.923 - * Return a mask of triggered interrupts (this 29.924 - * can handle only legacy ISA interrupts). 29.925 - */ 29.926 - 29.927 -/** 29.928 - * probe_irq_mask - scan a bitmap of interrupt lines 29.929 - * @val: mask of interrupts to consider 29.930 - * 29.931 - * Scan the ISA bus interrupt lines and return a bitmap of 29.932 - * active interrupts. The interrupt probe logic state is then 29.933 - * returned to its previous value. 29.934 - * 29.935 - * Note: we need to scan all the irq's even though we will 29.936 - * only return ISA irq numbers - just so that we reset them 29.937 - * all to a known state. 29.938 - */ 29.939 -unsigned int probe_irq_mask(unsigned long val) 29.940 -{ 29.941 - int i; 29.942 - unsigned int mask; 29.943 - 29.944 - mask = 0; 29.945 - for (i = 0; i < NR_PIRQS; i++) { 29.946 - irq_desc_t *desc = irq_desc + i; 29.947 - unsigned int status; 29.948 - 29.949 - spin_lock_irq(&desc->lock); 29.950 - status = desc->status; 29.951 - 29.952 - if (status & IRQ_AUTODETECT) { 29.953 - if (i < 16 && !(status & IRQ_WAITING)) 29.954 - mask |= 1 << i; 29.955 - 29.956 - desc->status = status & ~IRQ_AUTODETECT; 29.957 - desc->handler->shutdown(i); 29.958 - } 29.959 - spin_unlock_irq(&desc->lock); 29.960 - } 29.961 - up(&probe_sem); 29.962 - 29.963 - return mask & val; 29.964 -} 29.965 - 29.966 -/* 29.967 - * Return the one interrupt that triggered (this can 29.968 - * handle any interrupt source). 29.969 - */ 29.970 - 29.971 -/** 29.972 - * probe_irq_off - end an interrupt autodetect 29.973 - * @val: mask of potential interrupts (unused) 29.974 - * 29.975 - * Scans the unused interrupt lines and returns the line which 29.976 - * appears to have triggered the interrupt. If no interrupt was 29.977 - * found then zero is returned. If more than one interrupt is 29.978 - * found then minus the first candidate is returned to indicate 29.979 - * their is doubt. 29.980 - * 29.981 - * The interrupt probe logic state is returned to its previous 29.982 - * value. 29.983 - * 29.984 - * BUGS: When used in a module (which arguably shouldnt happen) 29.985 - * nothing prevents two IRQ probe callers from overlapping. The 29.986 - * results of this are non-optimal. 29.987 - */ 29.988 - 29.989 -int probe_irq_off(unsigned long val) 29.990 -{ 29.991 - int i, irq_found, nr_irqs; 29.992 - 29.993 - nr_irqs = 0; 29.994 - irq_found = 0; 29.995 - for (i = 0; i < NR_PIRQS; i++) { 29.996 - irq_desc_t *desc = irq_desc + i; 29.997 - unsigned int status; 29.998 - 29.999 - spin_lock_irq(&desc->lock); 29.1000 - status = desc->status; 29.1001 - 29.1002 - if (status & IRQ_AUTODETECT) { 29.1003 - if (!(status & IRQ_WAITING)) { 29.1004 - if (!nr_irqs) 29.1005 - irq_found = i; 29.1006 - nr_irqs++; 29.1007 - } 29.1008 - desc->status = status & ~IRQ_AUTODETECT; 29.1009 - desc->handler->shutdown(i); 29.1010 - } 29.1011 - spin_unlock_irq(&desc->lock); 29.1012 - } 29.1013 - up(&probe_sem); 29.1014 - 29.1015 - if (nr_irqs > 1) 29.1016 - irq_found = -irq_found; 29.1017 - return irq_found; 29.1018 -} 29.1019 - 29.1020 -/* this was setup_x86_irq but it seems pretty generic */ 29.1021 -int setup_irq(unsigned int irq, struct irqaction * new) 29.1022 -{ 29.1023 - int shared = 0; 29.1024 - unsigned long flags; 29.1025 - struct irqaction *old, **p; 29.1026 - irq_desc_t *desc = irq_desc + irq; 29.1027 - 29.1028 - /* 29.1029 - * Some drivers like serial.c use request_irq() heavily, 29.1030 - * so we have to be careful not to interfere with a 29.1031 - * running system. 29.1032 - */ 29.1033 - if (new->flags & SA_SAMPLE_RANDOM) { 29.1034 - /* 29.1035 - * This function might sleep, we want to call it first, 29.1036 - * outside of the atomic block. 29.1037 - * Yes, this might clear the entropy pool if the wrong 29.1038 - * driver is attempted to be loaded, without actually 29.1039 - * installing a new handler, but is this really a problem, 29.1040 - * only the sysadmin is able to do this. 29.1041 - */ 29.1042 - rand_initialize_irq(irq); 29.1043 - } 29.1044 - 29.1045 - /* 29.1046 - * The following block of code has to be executed atomically 29.1047 - */ 29.1048 - spin_lock_irqsave(&desc->lock,flags); 29.1049 - p = &desc->action; 29.1050 - if ((old = *p) != NULL) { 29.1051 - /* Can't share interrupts unless both agree to */ 29.1052 - if (!(old->flags & new->flags & SA_SHIRQ)) { 29.1053 - spin_unlock_irqrestore(&desc->lock,flags); 29.1054 - return -EBUSY; 29.1055 - } 29.1056 - 29.1057 - /* add new interrupt at end of irq queue */ 29.1058 - do { 29.1059 - p = &old->next; 29.1060 - old = *p; 29.1061 - } while (old); 29.1062 - shared = 1; 29.1063 - } 29.1064 - 29.1065 - *p = new; 29.1066 - 29.1067 - if (!shared) { 29.1068 - desc->depth = 0; 29.1069 - desc->status &= ~(IRQ_DISABLED | IRQ_AUTODETECT | IRQ_WAITING | IRQ_INPROGRESS); 29.1070 - desc->handler->startup(irq); 29.1071 - } 29.1072 - spin_unlock_irqrestore(&desc->lock,flags); 29.1073 - 29.1074 - register_irq_proc(irq); 29.1075 - return 0; 29.1076 -} 29.1077 - 29.1078 -static struct proc_dir_entry * root_irq_dir; 29.1079 -static struct proc_dir_entry * irq_dir [NR_IRQS]; 29.1080 - 29.1081 -#define HEX_DIGITS 8 29.1082 - 29.1083 -static unsigned int parse_hex_value (const char *buffer, 29.1084 - unsigned long count, unsigned long *ret) 29.1085 -{ 29.1086 - unsigned char hexnum [HEX_DIGITS]; 29.1087 - unsigned long value; 29.1088 - int i; 29.1089 - 29.1090 - if (!count) 29.1091 - return -EINVAL; 29.1092 - if (count > HEX_DIGITS) 29.1093 - count = HEX_DIGITS; 29.1094 - if (copy_from_user(hexnum, buffer, count)) 29.1095 - return -EFAULT; 29.1096 - 29.1097 - /* 29.1098 - * Parse the first 8 characters as a hex string, any non-hex char 29.1099 - * is end-of-string. '00e1', 'e1', '00E1', 'E1' are all the same. 29.1100 - */ 29.1101 - value = 0; 29.1102 - 29.1103 - for (i = 0; i < count; i++) { 29.1104 - unsigned int c = hexnum[i]; 29.1105 - 29.1106 - switch (c) { 29.1107 - case '0' ... '9': c -= '0'; break; 29.1108 - case 'a' ... 'f': c -= 'a'-10; break; 29.1109 - case 'A' ... 'F': c -= 'A'-10; break; 29.1110 - default: 29.1111 - goto out; 29.1112 - } 29.1113 - value = (value << 4) | c; 29.1114 - } 29.1115 -out: 29.1116 - *ret = value; 29.1117 - return 0; 29.1118 -} 29.1119 - 29.1120 -#if CONFIG_SMP 29.1121 - 29.1122 -static struct proc_dir_entry * smp_affinity_entry [NR_IRQS]; 29.1123 - 29.1124 -static unsigned long irq_affinity [NR_IRQS] = { [0 ... NR_IRQS-1] = ~0UL }; 29.1125 -static int irq_affinity_read_proc (char *page, char **start, off_t off, 29.1126 - int count, int *eof, void *data) 29.1127 -{ 29.1128 - if (count < HEX_DIGITS+1) 29.1129 - return -EINVAL; 29.1130 - return sprintf (page, "%08lx\n", irq_affinity[(long)data]); 29.1131 -} 29.1132 - 29.1133 -static int irq_affinity_write_proc (struct file *file, const char *buffer, 29.1134 - unsigned long count, void *data) 29.1135 -{ 29.1136 - int irq = (long) data, full_count = count, err; 29.1137 - unsigned long new_value; 29.1138 - 29.1139 - if (!irq_desc[irq].handler->set_affinity) 29.1140 - return -EIO; 29.1141 - 29.1142 - err = parse_hex_value(buffer, count, &new_value); 29.1143 - 29.1144 - /* 29.1145 - * Do not allow disabling IRQs completely - it's a too easy 29.1146 - * way to make the system unusable accidentally :-) At least 29.1147 - * one online CPU still has to be targeted. 29.1148 - */ 29.1149 - if (!(new_value & cpu_online_map)) 29.1150 - return -EINVAL; 29.1151 - 29.1152 - irq_affinity[irq] = new_value; 29.1153 - irq_desc[irq].handler->set_affinity(irq, new_value); 29.1154 - 29.1155 - return full_count; 29.1156 -} 29.1157 - 29.1158 -#endif 29.1159 - 29.1160 -static int prof_cpu_mask_read_proc (char *page, char **start, off_t off, 29.1161 - int count, int *eof, void *data) 29.1162 -{ 29.1163 - unsigned long *mask = (unsigned long *) data; 29.1164 - if (count < HEX_DIGITS+1) 29.1165 - return -EINVAL; 29.1166 - return sprintf (page, "%08lx\n", *mask); 29.1167 -} 29.1168 - 29.1169 -static int prof_cpu_mask_write_proc (struct file *file, const char *buffer, 29.1170 - unsigned long count, void *data) 29.1171 -{ 29.1172 - unsigned long *mask = (unsigned long *) data, full_count = count, err; 29.1173 - unsigned long new_value; 29.1174 - 29.1175 - err = parse_hex_value(buffer, count, &new_value); 29.1176 - if (err) 29.1177 - return err; 29.1178 - 29.1179 - *mask = new_value; 29.1180 - return full_count; 29.1181 -} 29.1182 - 29.1183 -#define MAX_NAMELEN 10 29.1184 - 29.1185 -static void register_irq_proc (unsigned int irq) 29.1186 -{ 29.1187 - char name [MAX_NAMELEN]; 29.1188 - 29.1189 - if (!root_irq_dir || (irq_desc[irq].handler == &no_irq_type) || 29.1190 - irq_dir[irq]) 29.1191 - return; 29.1192 - 29.1193 - memset(name, 0, MAX_NAMELEN); 29.1194 - sprintf(name, "%d", irq); 29.1195 - 29.1196 - /* create /proc/irq/1234 */ 29.1197 - irq_dir[irq] = proc_mkdir(name, root_irq_dir); 29.1198 - 29.1199 -#if CONFIG_SMP 29.1200 - { 29.1201 - struct proc_dir_entry *entry; 29.1202 - 29.1203 - /* create /proc/irq/1234/smp_affinity */ 29.1204 - entry = create_proc_entry("smp_affinity", 0600, irq_dir[irq]); 29.1205 - 29.1206 - if (entry) { 29.1207 - entry->nlink = 1; 29.1208 - entry->data = (void *)(long)irq; 29.1209 - entry->read_proc = irq_affinity_read_proc; 29.1210 - entry->write_proc = irq_affinity_write_proc; 29.1211 - } 29.1212 - 29.1213 - smp_affinity_entry[irq] = entry; 29.1214 - } 29.1215 -#endif 29.1216 -} 29.1217 - 29.1218 -unsigned long prof_cpu_mask = -1; 29.1219 - 29.1220 -void init_irq_proc (void) 29.1221 -{ 29.1222 - struct proc_dir_entry *entry; 29.1223 - int i; 29.1224 - 29.1225 - /* create /proc/irq */ 29.1226 - root_irq_dir = proc_mkdir("irq", 0); 29.1227 - 29.1228 - /* create /proc/irq/prof_cpu_mask */ 29.1229 - entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir); 29.1230 - 29.1231 - if (!entry) 29.1232 - return; 29.1233 - 29.1234 - entry->nlink = 1; 29.1235 - entry->data = (void *)&prof_cpu_mask; 29.1236 - entry->read_proc = prof_cpu_mask_read_proc; 29.1237 - entry->write_proc = prof_cpu_mask_write_proc; 29.1238 - 29.1239 - /* 29.1240 - * Create entries for all existing IRQs. 29.1241 - */ 29.1242 - for (i = 0; i < NR_IRQS; i++) 29.1243 - register_irq_proc(i); 29.1244 -} 29.1245 -
30.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/ldt.c Fri Oct 07 23:22:35 2005 +0100 30.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 30.3 @@ -1,272 +0,0 @@ 30.4 -/* 30.5 - * linux/kernel/ldt.c 30.6 - * 30.7 - * Copyright (C) 1992 Krishna Balasubramanian and Linus Torvalds 30.8 - * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com> 30.9 - */ 30.10 - 30.11 -#include <linux/errno.h> 30.12 -#include <linux/sched.h> 30.13 -#include <linux/string.h> 30.14 -#include <linux/mm.h> 30.15 -#include <linux/smp.h> 30.16 -#include <linux/smp_lock.h> 30.17 -#include <linux/vmalloc.h> 30.18 -#include <linux/slab.h> 30.19 - 30.20 -#include <asm/mmu_context.h> 30.21 -#include <asm/uaccess.h> 30.22 -#include <asm/system.h> 30.23 -#include <asm/ldt.h> 30.24 -#include <asm/desc.h> 30.25 - 30.26 -#ifdef CONFIG_SMP /* avoids "defined but not used" warnig */ 30.27 -static void flush_ldt(void *mm) 30.28 -{ 30.29 - if (current->active_mm) 30.30 - load_LDT(¤t->active_mm->context); 30.31 -} 30.32 -#endif 30.33 - 30.34 -static int alloc_ldt(mm_context_t *pc, int mincount, int reload) 30.35 -{ 30.36 - void *oldldt; 30.37 - void *newldt; 30.38 - int oldsize; 30.39 - 30.40 - if (mincount <= pc->size) 30.41 - return 0; 30.42 - oldsize = pc->size; 30.43 - mincount = (mincount+511)&(~511); 30.44 - if (mincount*LDT_ENTRY_SIZE > PAGE_SIZE) 30.45 - newldt = vmalloc(mincount*LDT_ENTRY_SIZE); 30.46 - else 30.47 - newldt = kmalloc(mincount*LDT_ENTRY_SIZE, GFP_KERNEL); 30.48 - 30.49 - if (!newldt) 30.50 - return -ENOMEM; 30.51 - 30.52 - if (oldsize) 30.53 - memcpy(newldt, pc->ldt, oldsize*LDT_ENTRY_SIZE); 30.54 - 30.55 - oldldt = pc->ldt; 30.56 - memset(newldt+oldsize*LDT_ENTRY_SIZE, 0, (mincount-oldsize)*LDT_ENTRY_SIZE); 30.57 - wmb(); 30.58 - pc->ldt = newldt; 30.59 - pc->size = mincount; 30.60 - if (reload) { 30.61 - make_pages_readonly( 30.62 - pc->ldt, 30.63 - (pc->size*LDT_ENTRY_SIZE)/PAGE_SIZE); 30.64 - load_LDT(pc); 30.65 -#ifdef CONFIG_SMP 30.66 - if (current->mm->cpu_vm_mask != (1<<smp_processor_id())) 30.67 - smp_call_function(flush_ldt, 0, 1, 1); 30.68 -#endif 30.69 - } 30.70 - wmb(); 30.71 - if (oldsize) { 30.72 - make_pages_writable( 30.73 - oldldt, (oldsize*LDT_ENTRY_SIZE)/PAGE_SIZE); 30.74 - if (oldsize*LDT_ENTRY_SIZE > PAGE_SIZE) 30.75 - vfree(oldldt); 30.76 - else 30.77 - kfree(oldldt); 30.78 - } 30.79 - return 0; 30.80 -} 30.81 - 30.82 -static inline int copy_ldt(mm_context_t *new, mm_context_t *old) 30.83 -{ 30.84 - int err = alloc_ldt(new, old->size, 0); 30.85 - if (err < 0) { 30.86 - printk(KERN_WARNING "ldt allocation failed\n"); 30.87 - new->size = 0; 30.88 - return err; 30.89 - } 30.90 - memcpy(new->ldt, old->ldt, old->size*LDT_ENTRY_SIZE); 30.91 - make_pages_readonly(new->ldt, (new->size*LDT_ENTRY_SIZE)/PAGE_SIZE); 30.92 - return 0; 30.93 -} 30.94 - 30.95 -/* 30.96 - * we do not have to muck with descriptors here, that is 30.97 - * done in switch_mm() as needed. 30.98 - */ 30.99 -int init_new_context(struct task_struct *tsk, struct mm_struct *mm) 30.100 -{ 30.101 - struct mm_struct * old_mm; 30.102 - int retval = 0; 30.103 - 30.104 - init_MUTEX(&mm->context.sem); 30.105 - mm->context.size = 0; 30.106 - old_mm = current->mm; 30.107 - if (old_mm && old_mm->context.size > 0) { 30.108 - down(&old_mm->context.sem); 30.109 - retval = copy_ldt(&mm->context, &old_mm->context); 30.110 - up(&old_mm->context.sem); 30.111 - } 30.112 - return retval; 30.113 -} 30.114 - 30.115 -/* 30.116 - * No need to lock the MM as we are the last user 30.117 - * Do not touch the ldt register, we are already 30.118 - * in the next thread. 30.119 - */ 30.120 -void destroy_context(struct mm_struct *mm) 30.121 -{ 30.122 - if (mm->context.size) { 30.123 - make_pages_writable( 30.124 - mm->context.ldt, 30.125 - (mm->context.size*LDT_ENTRY_SIZE)/PAGE_SIZE); 30.126 - if (mm->context.size*LDT_ENTRY_SIZE > PAGE_SIZE) 30.127 - vfree(mm->context.ldt); 30.128 - else 30.129 - kfree(mm->context.ldt); 30.130 - mm->context.size = 0; 30.131 - } 30.132 -} 30.133 - 30.134 -static int read_ldt(void * ptr, unsigned long bytecount) 30.135 -{ 30.136 - int err; 30.137 - unsigned long size; 30.138 - struct mm_struct * mm = current->mm; 30.139 - 30.140 - if (!mm->context.size) 30.141 - return 0; 30.142 - if (bytecount > LDT_ENTRY_SIZE*LDT_ENTRIES) 30.143 - bytecount = LDT_ENTRY_SIZE*LDT_ENTRIES; 30.144 - 30.145 - down(&mm->context.sem); 30.146 - size = mm->context.size*LDT_ENTRY_SIZE; 30.147 - if (size > bytecount) 30.148 - size = bytecount; 30.149 - 30.150 - err = 0; 30.151 - if (copy_to_user(ptr, mm->context.ldt, size)) 30.152 - err = -EFAULT; 30.153 - up(&mm->context.sem); 30.154 - if (err < 0) 30.155 - return err; 30.156 - if (size != bytecount) { 30.157 - /* zero-fill the rest */ 30.158 - clear_user(ptr+size, bytecount-size); 30.159 - } 30.160 - return bytecount; 30.161 -} 30.162 - 30.163 -static int read_default_ldt(void * ptr, unsigned long bytecount) 30.164 -{ 30.165 - int err; 30.166 - unsigned long size; 30.167 - void *address; 30.168 - 30.169 - err = 0; 30.170 - address = &default_ldt[0]; 30.171 - size = 5*sizeof(struct desc_struct); 30.172 - if (size > bytecount) 30.173 - size = bytecount; 30.174 - 30.175 - err = size; 30.176 - if (copy_to_user(ptr, address, size)) 30.177 - err = -EFAULT; 30.178 - 30.179 - return err; 30.180 -} 30.181 - 30.182 -static int write_ldt(void * ptr, unsigned long bytecount, int oldmode) 30.183 -{ 30.184 - struct mm_struct * mm = current->mm; 30.185 - __u32 entry_1, entry_2, *lp; 30.186 - unsigned long mach_lp; 30.187 - int error; 30.188 - struct modify_ldt_ldt_s ldt_info; 30.189 - 30.190 - error = -EINVAL; 30.191 - if (bytecount != sizeof(ldt_info)) 30.192 - goto out; 30.193 - error = -EFAULT; 30.194 - if (copy_from_user(&ldt_info, ptr, sizeof(ldt_info))) 30.195 - goto out; 30.196 - 30.197 - error = -EINVAL; 30.198 - if (ldt_info.entry_number >= LDT_ENTRIES) 30.199 - goto out; 30.200 - if (ldt_info.contents == 3) { 30.201 - if (oldmode) 30.202 - goto out; 30.203 - if (ldt_info.seg_not_present == 0) 30.204 - goto out; 30.205 - } 30.206 - 30.207 - down(&mm->context.sem); 30.208 - if (ldt_info.entry_number >= mm->context.size) { 30.209 - error = alloc_ldt(¤t->mm->context, ldt_info.entry_number+1, 1); 30.210 - if (error < 0) 30.211 - goto out_unlock; 30.212 - } 30.213 - 30.214 - lp = (__u32 *) ((ldt_info.entry_number << 3) + (char *) mm->context.ldt); 30.215 - mach_lp = arbitrary_virt_to_machine(lp); 30.216 - 30.217 - /* Allow LDTs to be cleared by the user. */ 30.218 - if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { 30.219 - if (oldmode || 30.220 - (ldt_info.contents == 0 && 30.221 - ldt_info.read_exec_only == 1 && 30.222 - ldt_info.seg_32bit == 0 && 30.223 - ldt_info.limit_in_pages == 0 && 30.224 - ldt_info.seg_not_present == 1 && 30.225 - ldt_info.useable == 0 )) { 30.226 - entry_1 = 0; 30.227 - entry_2 = 0; 30.228 - goto install; 30.229 - } 30.230 - } 30.231 - 30.232 - entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | 30.233 - (ldt_info.limit & 0x0ffff); 30.234 - entry_2 = (ldt_info.base_addr & 0xff000000) | 30.235 - ((ldt_info.base_addr & 0x00ff0000) >> 16) | 30.236 - (ldt_info.limit & 0xf0000) | 30.237 - ((ldt_info.read_exec_only ^ 1) << 9) | 30.238 - (ldt_info.contents << 10) | 30.239 - ((ldt_info.seg_not_present ^ 1) << 15) | 30.240 - (ldt_info.seg_32bit << 22) | 30.241 - (ldt_info.limit_in_pages << 23) | 30.242 - 0x7000; 30.243 - if (!oldmode) 30.244 - entry_2 |= (ldt_info.useable << 20); 30.245 - 30.246 - /* Install the new entry ... */ 30.247 -install: 30.248 - error = HYPERVISOR_update_descriptor(mach_lp, entry_1, entry_2); 30.249 - 30.250 -out_unlock: 30.251 - up(&mm->context.sem); 30.252 -out: 30.253 - return error; 30.254 -} 30.255 - 30.256 -asmlinkage int sys_modify_ldt(int func, void *ptr, unsigned long bytecount) 30.257 -{ 30.258 - int ret = -ENOSYS; 30.259 - 30.260 - switch (func) { 30.261 - case 0: 30.262 - ret = read_ldt(ptr, bytecount); 30.263 - break; 30.264 - case 1: 30.265 - ret = write_ldt(ptr, bytecount, 1); 30.266 - break; 30.267 - case 2: 30.268 - ret = read_default_ldt(ptr, bytecount); 30.269 - break; 30.270 - case 0x11: 30.271 - ret = write_ldt(ptr, bytecount, 0); 30.272 - break; 30.273 - } 30.274 - return ret; 30.275 -}
31.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/pci-pc.c Fri Oct 07 23:22:35 2005 +0100 31.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 31.3 @@ -1,260 +0,0 @@ 31.4 -/* 31.5 - * Low-Level PCI Support for PC 31.6 - * 31.7 - * (c) 1999--2000 Martin Mares <mj@ucw.cz> 31.8 - * 31.9 - * Adjusted to use Xen's interface by Rolf Neugebauer, Intel Research Cambridge 31.10 - * Further modifications by Keir Fraser, University of Cambridge 31.11 - */ 31.12 - 31.13 -#include <linux/config.h> 31.14 -#include <linux/types.h> 31.15 -#include <linux/kernel.h> 31.16 -#include <linux/sched.h> 31.17 -#include <linux/pci.h> 31.18 -#include <linux/init.h> 31.19 -#include <linux/ioport.h> 31.20 - 31.21 -#include <asm/segment.h> 31.22 -#include <asm/io.h> 31.23 - 31.24 -#include <asm-xen/xen-public/xen.h> 31.25 -#include <asm-xen/xen-public/physdev.h> 31.26 - 31.27 -#include "pci-i386.h" 31.28 - 31.29 -/* 31.30 - * NB. The following interface functions are not included here: 31.31 - * 1. void eisa_set_level_irq(unsigned int irq) 31.32 - * 2. irq_routing_table * __devinit pcibios_get_irq_routing_table(void) 31.33 - * 3. int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) 31.34 - * All are used by the ACPI driver. This should be ported to Xen if it is 31.35 - * ever required -- Xen is the ultimate source for IRQ-routing knowledge. 31.36 - */ 31.37 - 31.38 -struct pci_ops *pci_root_ops = NULL; 31.39 - 31.40 -int (*pci_config_read)(int seg, int bus, int dev, int fn, 31.41 - int reg, int len, u32 *value) = NULL; 31.42 -int (*pci_config_write)(int seg, int bus, int dev, int fn, 31.43 - int reg, int len, u32 value) = NULL; 31.44 - 31.45 -unsigned int pci_probe = PCI_PROBE_BIOS; 31.46 - 31.47 -struct pci_fixup pcibios_fixups[] = { { 0 } }; 31.48 - 31.49 -static int pci_confx_read(int seg, int bus, int dev, int fn, int reg, 31.50 - int len, u32 *value) 31.51 -{ 31.52 - int ret; 31.53 - physdev_op_t op; 31.54 - 31.55 - if (bus > 255 || dev > 31 || fn > 7 || reg > 255) 31.56 - return -EINVAL; 31.57 - 31.58 - op.cmd = PHYSDEVOP_PCI_CFGREG_READ; 31.59 - op.u.pci_cfgreg_read.bus = bus; 31.60 - op.u.pci_cfgreg_read.dev = dev; 31.61 - op.u.pci_cfgreg_read.func = fn; 31.62 - op.u.pci_cfgreg_read.reg = reg; 31.63 - op.u.pci_cfgreg_read.len = len; 31.64 - 31.65 - if ( (ret = HYPERVISOR_physdev_op(&op)) != 0 ) 31.66 - return ret; 31.67 - 31.68 - *value = op.u.pci_cfgreg_read.value; 31.69 - 31.70 - return 0; 31.71 -} 31.72 - 31.73 -static int pci_confx_write(int seg, int bus, int dev, int fn, int reg, 31.74 - int len, u32 value) 31.75 -{ 31.76 - int ret; 31.77 - physdev_op_t op; 31.78 - 31.79 - if ((bus > 255 || dev > 31 || fn > 7 || reg > 255)) 31.80 - return -EINVAL; 31.81 - 31.82 - op.cmd = PHYSDEVOP_PCI_CFGREG_WRITE; 31.83 - op.u.pci_cfgreg_write.bus = bus; 31.84 - op.u.pci_cfgreg_write.dev = dev; 31.85 - op.u.pci_cfgreg_write.func = fn; 31.86 - op.u.pci_cfgreg_write.reg = reg; 31.87 - op.u.pci_cfgreg_write.len = len; 31.88 - op.u.pci_cfgreg_write.value = value; 31.89 - 31.90 - if ( (ret = HYPERVISOR_physdev_op(&op)) != 0 ) 31.91 - return ret; 31.92 - return 0; 31.93 -} 31.94 - 31.95 - 31.96 -static int pci_confx_read_config_byte(struct pci_dev *dev, 31.97 - int where, u8 *value) 31.98 -{ 31.99 - int result; 31.100 - u32 data; 31.101 - 31.102 - result = pci_confx_read(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.103 - PCI_FUNC(dev->devfn), where, 1, &data); 31.104 - 31.105 - *value = (u8)data; 31.106 - 31.107 - return result; 31.108 -} 31.109 - 31.110 -static int pci_confx_read_config_word(struct pci_dev *dev, 31.111 - int where, u16 *value) 31.112 -{ 31.113 - int result; 31.114 - u32 data; 31.115 - 31.116 - result = pci_confx_read(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.117 - PCI_FUNC(dev->devfn), where, 2, &data); 31.118 - 31.119 - *value = (u16)data; 31.120 - 31.121 - return result; 31.122 -} 31.123 - 31.124 -static int pci_confx_read_config_dword(struct pci_dev *dev, 31.125 - int where, u32 *value) 31.126 -{ 31.127 - return pci_confx_read(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.128 - PCI_FUNC(dev->devfn), where, 4, value); 31.129 -} 31.130 - 31.131 -static int pci_confx_write_config_byte(struct pci_dev *dev, 31.132 - int where, u8 value) 31.133 -{ 31.134 - return pci_confx_write(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.135 - PCI_FUNC(dev->devfn), where, 1, value); 31.136 -} 31.137 - 31.138 -static int pci_confx_write_config_word(struct pci_dev *dev, 31.139 - int where, u16 value) 31.140 -{ 31.141 - return pci_confx_write(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.142 - PCI_FUNC(dev->devfn), where, 2, value); 31.143 -} 31.144 - 31.145 -static int pci_confx_write_config_dword(struct pci_dev *dev, 31.146 - int where, u32 value) 31.147 -{ 31.148 - return pci_confx_write(0, dev->bus->number, PCI_SLOT(dev->devfn), 31.149 - PCI_FUNC(dev->devfn), where, 4, value); 31.150 -} 31.151 - 31.152 -static struct pci_ops pci_conf_xen = { 31.153 - pci_confx_read_config_byte, 31.154 - pci_confx_read_config_word, 31.155 - pci_confx_read_config_dword, 31.156 - pci_confx_write_config_byte, 31.157 - pci_confx_write_config_word, 31.158 - pci_confx_write_config_dword 31.159 -}; 31.160 - 31.161 -void pcibios_penalize_isa_irq(int irq) 31.162 -{ 31.163 - /* nothing */ 31.164 -} 31.165 - 31.166 -void __devinit pcibios_fixup_bus(struct pci_bus *b) 31.167 -{ 31.168 - pci_read_bridge_bases(b); 31.169 -} 31.170 - 31.171 -struct pci_bus * __devinit pcibios_scan_root(int busnum) 31.172 -{ 31.173 - struct list_head *list; 31.174 - struct pci_bus *bus; 31.175 - 31.176 - list_for_each ( list, &pci_root_buses ) 31.177 - { 31.178 - bus = pci_bus_b(list); 31.179 - if ( bus->number == busnum ) 31.180 - return bus; 31.181 - } 31.182 - 31.183 - printk("PCI: Probing PCI hardware (bus %02x)\n", busnum); 31.184 - return pci_scan_bus(busnum, pci_root_ops, NULL); 31.185 -} 31.186 - 31.187 -void __init pcibios_init(void) 31.188 -{ 31.189 - int bus; 31.190 - physdev_op_t op; 31.191 - 31.192 - if ( !pci_probe ) 31.193 - return; 31.194 - 31.195 - pci_root_ops = &pci_conf_xen; 31.196 - pci_config_read = pci_confx_read; 31.197 - pci_config_write = pci_confx_write; 31.198 - 31.199 - pcibios_set_cacheline_size(); 31.200 - 31.201 - op.cmd = PHYSDEVOP_PCI_PROBE_ROOT_BUSES; 31.202 - if ( HYPERVISOR_physdev_op(&op) != 0 ) 31.203 - { 31.204 - printk(KERN_WARNING "PCI: System does not support PCI\n"); 31.205 - return; 31.206 - } 31.207 - 31.208 - printk(KERN_INFO "PCI: Probing PCI hardware\n"); 31.209 - for ( bus = 0; bus < 256; bus++ ) 31.210 - if ( test_bit(bus, &op.u.pci_probe_root_buses.busmask[0]) ) 31.211 - (void)pcibios_scan_root(bus); 31.212 - 31.213 - pcibios_resource_survey(); 31.214 -} 31.215 - 31.216 -char * __devinit pcibios_setup(char *str) 31.217 -{ 31.218 - if ( !strcmp(str, "off") ) 31.219 - pci_probe = 0; 31.220 - return NULL; 31.221 -} 31.222 - 31.223 -unsigned int pcibios_assign_all_busses(void) 31.224 -{ 31.225 - return 0; 31.226 -} 31.227 - 31.228 -int pcibios_enable_device(struct pci_dev *dev, int mask) 31.229 -{ 31.230 - int err; 31.231 - u8 pin; 31.232 - physdev_op_t op; 31.233 - 31.234 - /* Inform Xen that we are going to use this device. */ 31.235 - op.cmd = PHYSDEVOP_PCI_INITIALISE_DEVICE; 31.236 - op.u.pci_initialise_device.bus = dev->bus->number; 31.237 - op.u.pci_initialise_device.dev = PCI_SLOT(dev->devfn); 31.238 - op.u.pci_initialise_device.func = PCI_FUNC(dev->devfn); 31.239 - if ( (err = HYPERVISOR_physdev_op(&op)) != 0 ) 31.240 - return err; 31.241 - 31.242 - /* Now we can bind to the very final IRQ line. */ 31.243 - pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &pin); 31.244 - dev->irq = pin; 31.245 - 31.246 - /* Turn on device I/O and memory access as necessary. */ 31.247 - if ( (err = pcibios_enable_resources(dev, mask)) < 0 ) 31.248 - return err; 31.249 - 31.250 - /* Sanity-check that an interrupt-producing device is routed to an IRQ. */ 31.251 - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); 31.252 - if ( pin != 0 ) 31.253 - { 31.254 - if ( dev->irq != 0 ) 31.255 - printk(KERN_INFO "PCI: Obtained IRQ %d for device %s\n", 31.256 - dev->irq, dev->slot_name); 31.257 - else 31.258 - printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of " 31.259 - "device %s.\n", 'A' + pin - 1, dev->slot_name); 31.260 - } 31.261 - 31.262 - return 0; 31.263 -}
32.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/process.c Fri Oct 07 23:22:35 2005 +0100 32.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 32.3 @@ -1,448 +0,0 @@ 32.4 -/* 32.5 - * linux/arch/i386/kernel/process.c 32.6 - * 32.7 - * Copyright (C) 1995 Linus Torvalds 32.8 - * 32.9 - * Pentium III FXSR, SSE support 32.10 - * Gareth Hughes <gareth@valinux.com>, May 2000 32.11 - */ 32.12 - 32.13 -/* 32.14 - * This file handles the architecture-dependent parts of process handling.. 32.15 - */ 32.16 - 32.17 -#define __KERNEL_SYSCALLS__ 32.18 -#include <stdarg.h> 32.19 - 32.20 -#include <linux/errno.h> 32.21 -#include <linux/sched.h> 32.22 -#include <linux/kernel.h> 32.23 -#include <linux/mm.h> 32.24 -#include <linux/smp.h> 32.25 -#include <linux/smp_lock.h> 32.26 -#include <linux/stddef.h> 32.27 -#include <linux/unistd.h> 32.28 -#include <linux/ptrace.h> 32.29 -#include <linux/slab.h> 32.30 -#include <linux/vmalloc.h> 32.31 -#include <linux/user.h> 32.32 -#include <linux/a.out.h> 32.33 -#include <linux/interrupt.h> 32.34 -#include <linux/config.h> 32.35 -#include <linux/delay.h> 32.36 -#include <linux/reboot.h> 32.37 -#include <linux/init.h> 32.38 -#include <linux/mc146818rtc.h> 32.39 - 32.40 -#include <asm/uaccess.h> 32.41 -#include <asm/pgtable.h> 32.42 -#include <asm/system.h> 32.43 -#include <asm/io.h> 32.44 -#include <asm/ldt.h> 32.45 -#include <asm/processor.h> 32.46 -#include <asm/i387.h> 32.47 -#include <asm/desc.h> 32.48 -#include <asm/mmu_context.h> 32.49 -#include <asm-xen/xen-public/physdev.h> 32.50 - 32.51 -#include <linux/irq.h> 32.52 - 32.53 -asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); 32.54 - 32.55 -int hlt_counter; 32.56 - 32.57 -/* 32.58 - * Powermanagement idle function, if any.. 32.59 - */ 32.60 -void (*pm_idle)(void); 32.61 - 32.62 -/* 32.63 - * Power off function, if any 32.64 - */ 32.65 -void (*pm_power_off)(void); 32.66 - 32.67 -void disable_hlt(void) 32.68 -{ 32.69 - hlt_counter++; 32.70 -} 32.71 - 32.72 -void enable_hlt(void) 32.73 -{ 32.74 - hlt_counter--; 32.75 -} 32.76 - 32.77 -/* 32.78 - * The idle thread. There's no useful work to be 32.79 - * done, so just try to conserve power and have a 32.80 - * low exit latency (ie sit in a loop waiting for 32.81 - * somebody to say that they'd like to reschedule) 32.82 - */ 32.83 -void cpu_idle (void) 32.84 -{ 32.85 - extern int set_timeout_timer(void); 32.86 - 32.87 - /* Endless idle loop with no priority at all. */ 32.88 - init_idle(); 32.89 - current->nice = 20; 32.90 - current->counter = -100; 32.91 - 32.92 - for ( ; ; ) 32.93 - { 32.94 - while ( !current->need_resched ) 32.95 - { 32.96 - __cli(); 32.97 - if ( current->need_resched ) 32.98 - { 32.99 - /* The race-free check for events failed. */ 32.100 - __sti(); 32.101 - break; 32.102 - } 32.103 - else if ( set_timeout_timer() == 0 ) 32.104 - { 32.105 - /* NB. Blocking reenable events in a race-free manner. */ 32.106 - HYPERVISOR_block(); 32.107 - } 32.108 - else 32.109 - { 32.110 - /* No race here: yielding will get us the CPU again anyway. */ 32.111 - __sti(); 32.112 - HYPERVISOR_yield(); 32.113 - } 32.114 - } 32.115 - schedule(); 32.116 - check_pgt_cache(); 32.117 - } 32.118 -} 32.119 - 32.120 -extern void show_trace(unsigned long* esp); 32.121 - 32.122 -void show_regs(struct pt_regs * regs) 32.123 -{ 32.124 - printk("\n"); 32.125 - printk("Pid: %d, comm: %20s\n", current->pid, current->comm); 32.126 - printk("EIP: %04x:[<%08lx>] CPU: %d",0xffff & regs->xcs,regs->eip, smp_processor_id()); 32.127 - if (regs->xcs & 2) 32.128 - printk(" ESP: %04x:%08lx",0xffff & regs->xss,regs->esp); 32.129 - printk(" EFLAGS: %08lx %s\n",regs->eflags, print_tainted()); 32.130 - printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", 32.131 - regs->eax,regs->ebx,regs->ecx,regs->edx); 32.132 - printk("ESI: %08lx EDI: %08lx EBP: %08lx", 32.133 - regs->esi, regs->edi, regs->ebp); 32.134 - printk(" DS: %04x ES: %04x\n", 32.135 - 0xffff & regs->xds,0xffff & regs->xes); 32.136 - 32.137 - show_trace(®s->esp); 32.138 -} 32.139 - 32.140 - 32.141 -/* 32.142 - * Create a kernel thread 32.143 - */ 32.144 -int arch_kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) 32.145 -{ 32.146 - long retval, d0; 32.147 - 32.148 - __asm__ __volatile__( 32.149 - "movl %%esp,%%esi\n\t" 32.150 - "int $0x80\n\t" /* Linux/i386 system call */ 32.151 - "cmpl %%esp,%%esi\n\t" /* child or parent? */ 32.152 - "je 1f\n\t" /* parent - jump */ 32.153 - /* Load the argument into eax, and push it. That way, it does 32.154 - * not matter whether the called function is compiled with 32.155 - * -mregparm or not. */ 32.156 - "movl %4,%%eax\n\t" 32.157 - "pushl %%eax\n\t" 32.158 - "call *%5\n\t" /* call fn */ 32.159 - "movl %3,%0\n\t" /* exit */ 32.160 - "int $0x80\n" 32.161 - "1:\t" 32.162 - :"=&a" (retval), "=&S" (d0) 32.163 - :"0" (__NR_clone), "i" (__NR_exit), 32.164 - "r" (arg), "r" (fn), 32.165 - "b" (flags | CLONE_VM) 32.166 - : "memory"); 32.167 - 32.168 - return retval; 32.169 -} 32.170 - 32.171 -/* 32.172 - * Free current thread data structures etc.. 32.173 - */ 32.174 -void exit_thread(void) 32.175 -{ 32.176 - /* nothing to do ... */ 32.177 -} 32.178 - 32.179 -void flush_thread(void) 32.180 -{ 32.181 - struct task_struct *tsk = current; 32.182 - 32.183 - memset(tsk->thread.debugreg, 0, sizeof(unsigned long)*8); 32.184 - 32.185 - /* 32.186 - * Forget coprocessor state.. 32.187 - */ 32.188 - clear_fpu(tsk); 32.189 - tsk->used_math = 0; 32.190 -} 32.191 - 32.192 -void release_thread(struct task_struct *dead_task) 32.193 -{ 32.194 - if (dead_task->mm) { 32.195 - // temporary debugging check 32.196 - if (dead_task->mm->context.size) { 32.197 - printk("WARNING: dead process %8s still has LDT? <%p/%08x>\n", 32.198 - dead_task->comm, 32.199 - dead_task->mm->context.ldt, 32.200 - dead_task->mm->context.size); 32.201 - BUG(); 32.202 - } 32.203 - } 32.204 - //release_x86_irqs(dead_task); 32.205 -} 32.206 - 32.207 - 32.208 -/* 32.209 - * Save a segment. 32.210 - */ 32.211 -#define savesegment(seg,value) \ 32.212 - asm volatile("movl %%" #seg ",%0":"=m" (*(int *)&(value))) 32.213 - 32.214 -int copy_thread(int nr, unsigned long clone_flags, unsigned long esp, 32.215 - unsigned long unused, 32.216 - struct task_struct * p, struct pt_regs * regs) 32.217 -{ 32.218 - struct pt_regs * childregs; 32.219 - 32.220 - childregs = ((struct pt_regs *) (THREAD_SIZE + (unsigned long) p)) - 1; 32.221 - struct_cpy(childregs, regs); 32.222 - childregs->eax = 0; 32.223 - childregs->esp = esp; 32.224 - 32.225 - p->thread.esp = (unsigned long) childregs; 32.226 - p->thread.esp0 = (unsigned long) (childregs+1); 32.227 - 32.228 - p->thread.eip = (unsigned long) ret_from_fork; 32.229 - 32.230 - savesegment(fs,p->thread.fs); 32.231 - savesegment(gs,p->thread.gs); 32.232 - 32.233 - unlazy_fpu(current); 32.234 - struct_cpy(&p->thread.i387, ¤t->thread.i387); 32.235 - 32.236 - p->thread.io_pl = current->thread.io_pl; 32.237 - 32.238 - return 0; 32.239 -} 32.240 - 32.241 -/* 32.242 - * fill in the user structure for a core dump.. 32.243 - */ 32.244 -void dump_thread(struct pt_regs * regs, struct user * dump) 32.245 -{ 32.246 - int i; 32.247 - 32.248 -/* changed the size calculations - should hopefully work better. lbt */ 32.249 - dump->magic = CMAGIC; 32.250 - dump->start_code = 0; 32.251 - dump->start_stack = regs->esp & ~(PAGE_SIZE - 1); 32.252 - dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; 32.253 - dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1))) >> PAGE_SHIFT; 32.254 - dump->u_dsize -= dump->u_tsize; 32.255 - dump->u_ssize = 0; 32.256 - for (i = 0; i < 8; i++) 32.257 - dump->u_debugreg[i] = current->thread.debugreg[i]; 32.258 - 32.259 - if (dump->start_stack < TASK_SIZE) 32.260 - dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT; 32.261 - 32.262 - dump->regs.ebx = regs->ebx; 32.263 - dump->regs.ecx = regs->ecx; 32.264 - dump->regs.edx = regs->edx; 32.265 - dump->regs.esi = regs->esi; 32.266 - dump->regs.edi = regs->edi; 32.267 - dump->regs.ebp = regs->ebp; 32.268 - dump->regs.eax = regs->eax; 32.269 - dump->regs.ds = regs->xds; 32.270 - dump->regs.es = regs->xes; 32.271 - savesegment(fs,dump->regs.fs); 32.272 - savesegment(gs,dump->regs.gs); 32.273 - dump->regs.orig_eax = regs->orig_eax; 32.274 - dump->regs.eip = regs->eip; 32.275 - dump->regs.cs = regs->xcs; 32.276 - dump->regs.eflags = regs->eflags; 32.277 - dump->regs.esp = regs->esp; 32.278 - dump->regs.ss = regs->xss; 32.279 - 32.280 - dump->u_fpvalid = dump_fpu (regs, &dump->i387); 32.281 -} 32.282 - 32.283 -/* 32.284 - * switch_to(x,yn) should switch tasks from x to y. 32.285 - * 32.286 - * We fsave/fwait so that an exception goes off at the right time 32.287 - * (as a call from the fsave or fwait in effect) rather than to 32.288 - * the wrong process. Lazy FP saving no longer makes any sense 32.289 - * with modern CPU's, and this simplifies a lot of things (SMP 32.290 - * and UP become the same). 32.291 - * 32.292 - * NOTE! We used to use the x86 hardware context switching. The 32.293 - * reason for not using it any more becomes apparent when you 32.294 - * try to recover gracefully from saved state that is no longer 32.295 - * valid (stale segment register values in particular). With the 32.296 - * hardware task-switch, there is no way to fix up bad state in 32.297 - * a reasonable manner. 32.298 - * 32.299 - * The fact that Intel documents the hardware task-switching to 32.300 - * be slow is a fairly red herring - this code is not noticeably 32.301 - * faster. However, there _is_ some room for improvement here, 32.302 - * so the performance issues may eventually be a valid point. 32.303 - * More important, however, is the fact that this allows us much 32.304 - * more flexibility. 32.305 - */ 32.306 -void fastcall __switch_to(struct task_struct *prev_p, struct task_struct *next_p) 32.307 -{ 32.308 - struct thread_struct *next = &next_p->thread; 32.309 - physdev_op_t op; 32.310 - multicall_entry_t _mcl[8], *mcl = _mcl; 32.311 - 32.312 - /* 32.313 - * This is basically 'unlazy_fpu', except that we queue a multicall to 32.314 - * indicate FPU task switch, rather than synchronously trapping to Xen. 32.315 - */ 32.316 - if ( prev_p->flags & PF_USEDFPU ) 32.317 - { 32.318 - if ( cpu_has_fxsr ) 32.319 - asm volatile( "fxsave %0 ; fnclex" 32.320 - : "=m" (prev_p->thread.i387.fxsave) ); 32.321 - else 32.322 - asm volatile( "fnsave %0 ; fwait" 32.323 - : "=m" (prev_p->thread.i387.fsave) ); 32.324 - prev_p->flags &= ~PF_USEDFPU; 32.325 - mcl->op = __HYPERVISOR_fpu_taskswitch; 32.326 - mcl->args[0] = 1; 32.327 - mcl++; 32.328 - } 32.329 - 32.330 - mcl->op = __HYPERVISOR_stack_switch; 32.331 - mcl->args[0] = __KERNEL_DS; 32.332 - mcl->args[1] = next->esp0; 32.333 - mcl++; 32.334 - 32.335 - if ( prev_p->thread.io_pl != next->io_pl ) 32.336 - { 32.337 - op.cmd = PHYSDEVOP_SET_IOPL; 32.338 - op.u.set_iopl.iopl = next->io_pl; 32.339 - mcl->op = __HYPERVISOR_physdev_op; 32.340 - mcl->args[0] = (unsigned long)&op; 32.341 - mcl++; 32.342 - } 32.343 - 32.344 - (void)HYPERVISOR_multicall(_mcl, mcl - _mcl); 32.345 - 32.346 - /* 32.347 - * Restore %fs and %gs. 32.348 - */ 32.349 - loadsegment(fs, next->fs); 32.350 - loadsegment(gs, next->gs); 32.351 - 32.352 - /* 32.353 - * Now maybe reload the debug registers 32.354 - */ 32.355 - if ( next->debugreg[7] != 0 ) 32.356 - { 32.357 - HYPERVISOR_set_debugreg(0, next->debugreg[0]); 32.358 - HYPERVISOR_set_debugreg(1, next->debugreg[1]); 32.359 - HYPERVISOR_set_debugreg(2, next->debugreg[2]); 32.360 - HYPERVISOR_set_debugreg(3, next->debugreg[3]); 32.361 - /* no 4 and 5 */ 32.362 - HYPERVISOR_set_debugreg(6, next->debugreg[6]); 32.363 - HYPERVISOR_set_debugreg(7, next->debugreg[7]); 32.364 - } 32.365 -} 32.366 - 32.367 -asmlinkage int sys_fork(struct pt_regs regs) 32.368 -{ 32.369 - return do_fork(SIGCHLD, regs.esp, ®s, 0); 32.370 -} 32.371 - 32.372 -asmlinkage int sys_clone(struct pt_regs regs) 32.373 -{ 32.374 - unsigned long clone_flags; 32.375 - unsigned long newsp; 32.376 - 32.377 - clone_flags = regs.ebx; 32.378 - newsp = regs.ecx; 32.379 - if (!newsp) 32.380 - newsp = regs.esp; 32.381 - return do_fork(clone_flags, newsp, ®s, 0); 32.382 -} 32.383 - 32.384 -/* 32.385 - * This is trivial, and on the face of it looks like it 32.386 - * could equally well be done in user mode. 32.387 - * 32.388 - * Not so, for quite unobvious reasons - register pressure. 32.389 - * In user mode vfork() cannot have a stack frame, and if 32.390 - * done by calling the "clone()" system call directly, you 32.391 - * do not have enough call-clobbered registers to hold all 32.392 - * the information you need. 32.393 - */ 32.394 -asmlinkage int sys_vfork(struct pt_regs regs) 32.395 -{ 32.396 - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.esp, ®s, 0); 32.397 -} 32.398 - 32.399 -/* 32.400 - * sys_execve() executes a new program. 32.401 - */ 32.402 -asmlinkage int sys_execve(struct pt_regs regs) 32.403 -{ 32.404 - int error; 32.405 - char * filename; 32.406 - 32.407 - filename = getname((char *) regs.ebx); 32.408 - error = PTR_ERR(filename); 32.409 - if (IS_ERR(filename)) 32.410 - goto out; 32.411 - error = do_execve(filename, (char **) regs.ecx, (char **) regs.edx, ®s); 32.412 - if (error == 0) 32.413 - current->ptrace &= ~PT_DTRACE; 32.414 - putname(filename); 32.415 - out: 32.416 - return error; 32.417 -} 32.418 - 32.419 -/* 32.420 - * These bracket the sleeping functions.. 32.421 - */ 32.422 -extern void scheduling_functions_start_here(void); 32.423 -extern void scheduling_functions_end_here(void); 32.424 -#define first_sched ((unsigned long) scheduling_functions_start_here) 32.425 -#define last_sched ((unsigned long) scheduling_functions_end_here) 32.426 - 32.427 -unsigned long get_wchan(struct task_struct *p) 32.428 -{ 32.429 - unsigned long ebp, esp, eip; 32.430 - unsigned long stack_page; 32.431 - int count = 0; 32.432 - if (!p || p == current || p->state == TASK_RUNNING) 32.433 - return 0; 32.434 - stack_page = (unsigned long)p; 32.435 - esp = p->thread.esp; 32.436 - if (!stack_page || esp < stack_page || esp > 8188+stack_page) 32.437 - return 0; 32.438 - /* include/asm-i386/system.h:switch_to() pushes ebp last. */ 32.439 - ebp = *(unsigned long *) esp; 32.440 - do { 32.441 - if (ebp < stack_page || ebp > 8184+stack_page) 32.442 - return 0; 32.443 - eip = *(unsigned long *) (ebp+4); 32.444 - if (eip < first_sched || eip >= last_sched) 32.445 - return eip; 32.446 - ebp = *(unsigned long *) ebp; 32.447 - } while (count++ < 16); 32.448 - return 0; 32.449 -} 32.450 -#undef last_sched 32.451 -#undef first_sched
33.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/setup.c Fri Oct 07 23:22:35 2005 +0100 33.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 33.3 @@ -1,1213 +0,0 @@ 33.4 -/* 33.5 - * linux/arch/i386/kernel/setup.c 33.6 - * 33.7 - * Copyright (C) 1995 Linus Torvalds 33.8 - */ 33.9 - 33.10 -/* 33.11 - * This file handles the architecture-dependent parts of initialization 33.12 - */ 33.13 - 33.14 -#define __KERNEL_SYSCALLS__ 33.15 -static int errno; 33.16 -#include <linux/errno.h> 33.17 -#include <linux/sched.h> 33.18 -#include <linux/kernel.h> 33.19 -#include <linux/mm.h> 33.20 -#include <linux/stddef.h> 33.21 -#include <linux/unistd.h> 33.22 -#include <linux/ptrace.h> 33.23 -#include <linux/slab.h> 33.24 -#include <linux/user.h> 33.25 -#include <linux/a.out.h> 33.26 -#include <linux/tty.h> 33.27 -#include <linux/ioport.h> 33.28 -#include <linux/delay.h> 33.29 -#include <linux/config.h> 33.30 -#include <linux/init.h> 33.31 -#include <linux/apm_bios.h> 33.32 -#ifdef CONFIG_BLK_DEV_RAM 33.33 -#include <linux/blk.h> 33.34 -#endif 33.35 -#include <linux/highmem.h> 33.36 -#include <linux/bootmem.h> 33.37 -#include <linux/seq_file.h> 33.38 -#include <linux/reboot.h> 33.39 -#include <asm/processor.h> 33.40 -#include <linux/console.h> 33.41 -#include <linux/module.h> 33.42 -#include <asm/mtrr.h> 33.43 -#include <asm/uaccess.h> 33.44 -#include <asm/system.h> 33.45 -#include <asm/io.h> 33.46 -#include <asm/smp.h> 33.47 -#include <asm/msr.h> 33.48 -#include <asm/desc.h> 33.49 -#include <asm/dma.h> 33.50 -#include <asm/mpspec.h> 33.51 -#include <asm/mmu_context.h> 33.52 -#include <asm/ctrl_if.h> 33.53 -#include <asm/hypervisor.h> 33.54 -#include <asm-xen/xen-public/physdev.h> 33.55 -#include <linux/netdevice.h> 33.56 -#include <linux/rtnetlink.h> 33.57 -#include <linux/tqueue.h> 33.58 -#include <net/pkt_sched.h> /* dev_(de)activate */ 33.59 - 33.60 -/* 33.61 - * Point at the empty zero page to start with. We map the real shared_info 33.62 - * page as soon as fixmap is up and running. 33.63 - */ 33.64 -shared_info_t *HYPERVISOR_shared_info = (shared_info_t *)empty_zero_page; 33.65 - 33.66 -unsigned int *phys_to_machine_mapping, *pfn_to_mfn_frame_list; 33.67 - 33.68 -/* 33.69 - * Machine setup.. 33.70 - */ 33.71 - 33.72 -char ignore_irq13; /* set if exception 16 works */ 33.73 -struct cpuinfo_x86 boot_cpu_data = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; 33.74 - 33.75 -unsigned long mmu_cr4_features; 33.76 - 33.77 -unsigned char * vgacon_mmap; 33.78 - 33.79 -/* 33.80 - * Bus types .. 33.81 - */ 33.82 -#ifdef CONFIG_EISA 33.83 -int EISA_bus; 33.84 -#endif 33.85 -int MCA_bus; 33.86 - 33.87 -/* for MCA, but anyone else can use it if they want */ 33.88 -unsigned int machine_id; 33.89 -unsigned int machine_submodel_id; 33.90 -unsigned int BIOS_revision; 33.91 -unsigned int mca_pentium_flag; 33.92 - 33.93 -/* For PCI or other memory-mapped resources */ 33.94 -unsigned long pci_mem_start = 0x10000000; 33.95 - 33.96 -/* 33.97 - * Setup options 33.98 - */ 33.99 -struct drive_info_struct { char dummy[32]; } drive_info; 33.100 -struct screen_info screen_info; 33.101 -struct apm_info apm_info; 33.102 -struct sys_desc_table_struct { 33.103 - unsigned short length; 33.104 - unsigned char table[0]; 33.105 -}; 33.106 - 33.107 -unsigned char aux_device_present; 33.108 - 33.109 -extern int root_mountflags; 33.110 -extern char _text, _etext, _edata, _end; 33.111 - 33.112 -extern int blk_nohighio; 33.113 - 33.114 -int enable_acpi_smp_table; 33.115 - 33.116 -/* Raw start-of-day parameters from the hypervisor. */ 33.117 -union xen_start_info_union xen_start_info_union; 33.118 - 33.119 -#define COMMAND_LINE_SIZE MAX_GUEST_CMDLINE 33.120 -static char command_line[COMMAND_LINE_SIZE]; 33.121 -char saved_command_line[COMMAND_LINE_SIZE]; 33.122 - 33.123 -/* parse_mem_cmdline() 33.124 - * returns the value of the mem= boot param converted to pages or 0 33.125 - */ 33.126 -static int __init parse_mem_cmdline (char ** cmdline_p) 33.127 -{ 33.128 - char c = ' ', *to = command_line, *from = saved_command_line; 33.129 - int len = 0; 33.130 - unsigned long long bytes; 33.131 - int mem_param = 0; 33.132 - 33.133 - /* Save unparsed command line copy for /proc/cmdline */ 33.134 - memcpy(saved_command_line, xen_start_info.cmd_line, COMMAND_LINE_SIZE); 33.135 - saved_command_line[COMMAND_LINE_SIZE-1] = '\0'; 33.136 - 33.137 - for (;;) { 33.138 - /* 33.139 - * "mem=nopentium" disables the 4MB page tables. 33.140 - * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM 33.141 - * to <mem>, overriding the bios size. 33.142 - * "mem=XXX[KkmM]@XXX[KkmM]" defines a memory region from 33.143 - * <start> to <start>+<mem>, overriding the bios size. 33.144 - */ 33.145 - if (c == ' ' && !memcmp(from, "mem=", 4)) { 33.146 - if (to != command_line) 33.147 - to--; 33.148 - if (!memcmp(from+4, "nopentium", 9)) { 33.149 - from += 9+4; 33.150 - } else if (!memcmp(from+4, "exactmap", 8)) { 33.151 - from += 8+4; 33.152 - } else { 33.153 - bytes = memparse(from+4, &from); 33.154 - mem_param = bytes>>PAGE_SHIFT; 33.155 - if (*from == '@') 33.156 - (void)memparse(from+1, &from); 33.157 - } 33.158 - } 33.159 - 33.160 - c = *(from++); 33.161 - if (!c) 33.162 - break; 33.163 - if (COMMAND_LINE_SIZE <= ++len) 33.164 - break; 33.165 - *(to++) = c; 33.166 - } 33.167 - *to = '\0'; 33.168 - *cmdline_p = command_line; 33.169 - 33.170 - return mem_param; 33.171 -} 33.172 - 33.173 -/* 33.174 - * Every exception-fixup table is sorted (i.e., kernel main table, and every 33.175 - * module table. Some elements may be out of order if they reference text.init, 33.176 - * for example. 33.177 - */ 33.178 -static void sort_exception_table(struct exception_table_entry *start, 33.179 - struct exception_table_entry *end) 33.180 -{ 33.181 - struct exception_table_entry *p, *q, tmp; 33.182 - 33.183 - for ( p = start; p < end; p++ ) 33.184 - { 33.185 - for ( q = p-1; q > start; q-- ) 33.186 - if ( p->insn > q->insn ) 33.187 - break; 33.188 - if ( ++q != p ) 33.189 - { 33.190 - tmp = *p; 33.191 - memmove(q+1, q, (p-q)*sizeof(*p)); 33.192 - *q = tmp; 33.193 - } 33.194 - } 33.195 -} 33.196 - 33.197 -int xen_module_init(struct module *mod) 33.198 -{ 33.199 - sort_exception_table(mod->ex_table_start, mod->ex_table_end); 33.200 - return 0; 33.201 -} 33.202 - 33.203 -void __init setup_arch(char **cmdline_p) 33.204 -{ 33.205 - int i,j; 33.206 - unsigned long bootmap_size, start_pfn, lmax_low_pfn; 33.207 - int mem_param; /* user specified memory size in pages */ 33.208 - int boot_pfn; /* low pages available for bootmem */ 33.209 - physdev_op_t op; 33.210 - 33.211 - extern void hypervisor_callback(void); 33.212 - extern void failsafe_callback(void); 33.213 - 33.214 - extern unsigned long cpu0_pte_quicklist[]; 33.215 - extern unsigned long cpu0_pgd_quicklist[]; 33.216 - 33.217 - extern const struct exception_table_entry __start___ex_table[]; 33.218 - extern const struct exception_table_entry __stop___ex_table[]; 33.219 - 33.220 - extern char _stext; 33.221 - 33.222 - /* Force a quick death if the kernel panics. */ 33.223 - extern int panic_timeout; 33.224 - if ( panic_timeout == 0 ) 33.225 - panic_timeout = 1; 33.226 - 33.227 - /* Ensure that the kernel exception-fixup table is sorted. */ 33.228 - sort_exception_table(__start___ex_table, __stop___ex_table); 33.229 - 33.230 -#ifndef CONFIG_HIGHIO 33.231 - blk_nohighio = 1; 33.232 -#endif 33.233 - 33.234 - HYPERVISOR_vm_assist( 33.235 - VMASST_CMD_enable, VMASST_TYPE_4gb_segments); 33.236 - HYPERVISOR_vm_assist( 33.237 - VMASST_CMD_enable, VMASST_TYPE_writable_pagetables); 33.238 - 33.239 - HYPERVISOR_set_callbacks( 33.240 - __KERNEL_CS, (unsigned long)hypervisor_callback, 33.241 - __KERNEL_CS, (unsigned long)failsafe_callback); 33.242 - 33.243 - boot_cpu_data.pgd_quick = cpu0_pgd_quicklist; 33.244 - boot_cpu_data.pte_quick = cpu0_pte_quicklist; 33.245 - 33.246 - /* This must be initialized to UNNAMED_MAJOR for ipconfig to work 33.247 - properly. Setting ROOT_DEV to default to /dev/ram0 breaks initrd. */ 33.248 - ROOT_DEV = MKDEV(UNNAMED_MAJOR,0); 33.249 - memset(&drive_info, 0, sizeof(drive_info)); 33.250 - memset(&screen_info, 0, sizeof(screen_info)); 33.251 - 33.252 - /* This is drawn from a dump from vgacon:startup in standard Linux. */ 33.253 - screen_info.orig_video_mode = 3; 33.254 - screen_info.orig_video_isVGA = 1; 33.255 - screen_info.orig_video_lines = 25; 33.256 - screen_info.orig_video_cols = 80; 33.257 - screen_info.orig_video_ega_bx = 3; 33.258 - screen_info.orig_video_points = 16; 33.259 - 33.260 - memset(&apm_info.bios, 0, sizeof(apm_info.bios)); 33.261 - aux_device_present = 0; 33.262 -#ifdef CONFIG_BLK_DEV_RAM 33.263 - rd_image_start = 0; 33.264 - rd_prompt = 0; 33.265 - rd_doload = 0; 33.266 -#endif 33.267 - 33.268 - root_mountflags &= ~MS_RDONLY; 33.269 - init_mm.start_code = (unsigned long) &_text; 33.270 - init_mm.end_code = (unsigned long) &_etext; 33.271 - init_mm.end_data = (unsigned long) &_edata; 33.272 - init_mm.brk = (unsigned long) &_end; 33.273 - 33.274 - /* The mem= kernel command line param overrides the detected amount 33.275 - * of memory. For xenolinux, if this override is larger than detected 33.276 - * memory, then boot using only detected memory and make provisions to 33.277 - * use all of the override value. The hypervisor can give this 33.278 - * domain more memory later on and it will be added to the free 33.279 - * lists at that time. See claim_new_pages() in 33.280 - * arch/xen/drivers/balloon/balloon.c 33.281 - */ 33.282 - mem_param = parse_mem_cmdline(cmdline_p); 33.283 - if (mem_param < xen_start_info.nr_pages) 33.284 - mem_param = xen_start_info.nr_pages; 33.285 - 33.286 -#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) 33.287 -#define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 33.288 -#define PFN_PHYS(x) ((x) << PAGE_SHIFT) 33.289 - 33.290 -/* 33.291 - * 128MB for vmalloc(), iomap(), kmap(), and fixaddr mappings. 33.292 - */ 33.293 -#define VMALLOC_RESERVE (unsigned long)(128 << 20) 33.294 -#define MAXMEM (unsigned long)(HYPERVISOR_VIRT_START-PAGE_OFFSET-VMALLOC_RESERVE) 33.295 -#define MAXMEM_PFN PFN_DOWN(MAXMEM) 33.296 -#define MAX_NONPAE_PFN (1 << 20) 33.297 - 33.298 - /* 33.299 - * Determine low and high memory ranges: 33.300 - */ 33.301 - lmax_low_pfn = max_pfn = mem_param; 33.302 - if (lmax_low_pfn > MAXMEM_PFN) { 33.303 - lmax_low_pfn = MAXMEM_PFN; 33.304 -#ifndef CONFIG_HIGHMEM 33.305 - /* Maximum memory usable is what is directly addressable */ 33.306 - printk(KERN_WARNING "Warning only %ldMB will be used.\n", 33.307 - MAXMEM>>20); 33.308 - if (max_pfn > MAX_NONPAE_PFN) 33.309 - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); 33.310 - else 33.311 - printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); 33.312 - max_pfn = lmax_low_pfn; 33.313 -#else /* !CONFIG_HIGHMEM */ 33.314 -#ifndef CONFIG_X86_PAE 33.315 - if (max_pfn > MAX_NONPAE_PFN) { 33.316 - max_pfn = MAX_NONPAE_PFN; 33.317 - printk(KERN_WARNING "Warning only 4GB will be used.\n"); 33.318 - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); 33.319 - } 33.320 -#endif /* !CONFIG_X86_PAE */ 33.321 -#endif /* !CONFIG_HIGHMEM */ 33.322 - } 33.323 - 33.324 -#ifdef CONFIG_HIGHMEM 33.325 - highstart_pfn = highend_pfn = max_pfn; 33.326 - if (max_pfn > MAXMEM_PFN) { 33.327 - highstart_pfn = MAXMEM_PFN; 33.328 - printk(KERN_NOTICE "%ldMB HIGHMEM available.\n", 33.329 - pages_to_mb(highend_pfn - highstart_pfn)); 33.330 - } 33.331 -#endif 33.332 - 33.333 - phys_to_machine_mapping = (unsigned int *)xen_start_info.mfn_list; 33.334 - cur_pgd = init_mm.pgd = (pgd_t *)xen_start_info.pt_base; 33.335 - 33.336 - start_pfn = (__pa(xen_start_info.pt_base) >> PAGE_SHIFT) + 33.337 - xen_start_info.nr_pt_frames; 33.338 - 33.339 - /* 33.340 - * Initialize the boot-time allocator, and free up all RAM. Then reserve 33.341 - * space for OS image, initrd, phys->machine table, bootstrap page table, 33.342 - * and the bootmem bitmap. 33.343 - * NB. There is definitely enough room for the bootmem bitmap in the 33.344 - * bootstrap page table. We are guaranteed to get >=512kB unused 'padding' 33.345 - * for our own use after all bootstrap elements 33.346 - * (see asm-xen/xen-public/xen.h). 33.347 - */ 33.348 - boot_pfn = min((int)xen_start_info.nr_pages,lmax_low_pfn); 33.349 - bootmap_size = init_bootmem(start_pfn,boot_pfn); 33.350 - free_bootmem(0, PFN_PHYS(boot_pfn)); 33.351 - reserve_bootmem(__pa(&_stext), 33.352 - PFN_PHYS(start_pfn) + bootmap_size + PAGE_SIZE-1 - 33.353 - __pa(&_stext)); 33.354 - 33.355 - /* init_bootmem() set the global max_low_pfn to boot_pfn. Now max_low_pfn 33.356 - * can be set to the override value. 33.357 - */ 33.358 - max_low_pfn = lmax_low_pfn; 33.359 - 33.360 -#ifdef CONFIG_BLK_DEV_INITRD 33.361 - if ( xen_start_info.mod_start != 0 ) 33.362 - { 33.363 - if ( (__pa(xen_start_info.mod_start) + xen_start_info.mod_len) <= 33.364 - (max_low_pfn << PAGE_SHIFT) ) 33.365 - { 33.366 - initrd_start = xen_start_info.mod_start; 33.367 - initrd_end = initrd_start + xen_start_info.mod_len; 33.368 - initrd_below_start_ok = 1; 33.369 - } 33.370 - else 33.371 - { 33.372 - printk(KERN_ERR "initrd extends beyond end of memory " 33.373 - "(0x%08lx > 0x%08lx)\ndisabling initrd\n", 33.374 - __pa(xen_start_info.mod_start) + xen_start_info.mod_len, 33.375 - max_low_pfn << PAGE_SHIFT); 33.376 - initrd_start = 0; 33.377 - } 33.378 - } 33.379 -#endif 33.380 - 33.381 - paging_init(); 33.382 - 33.383 - /* Make sure we have a correctly sized P->M table. */ 33.384 - if ( max_pfn != xen_start_info.nr_pages ) 33.385 - { 33.386 - phys_to_machine_mapping = alloc_bootmem_low_pages( 33.387 - max_pfn * sizeof(unsigned long)); 33.388 - if ( max_pfn > xen_start_info.nr_pages ) 33.389 - { 33.390 - memset(phys_to_machine_mapping, ~0, 33.391 - max_pfn * sizeof(unsigned long)); 33.392 - memcpy(phys_to_machine_mapping, 33.393 - (unsigned long *)xen_start_info.mfn_list, 33.394 - xen_start_info.nr_pages * sizeof(unsigned long)); 33.395 - } 33.396 - else 33.397 - { 33.398 - memcpy(phys_to_machine_mapping, 33.399 - (unsigned long *)xen_start_info.mfn_list, 33.400 - max_pfn * sizeof(unsigned long)); 33.401 - if (HYPERVISOR_dom_mem_op( 33.402 - MEMOP_decrease_reservation, 33.403 - (unsigned long *)xen_start_info.mfn_list + max_pfn, 33.404 - xen_start_info.nr_pages - max_pfn, 0) != 33.405 - (xen_start_info.nr_pages - max_pfn)) 33.406 - BUG(); 33.407 - } 33.408 - free_bootmem(__pa(xen_start_info.mfn_list), 33.409 - PFN_PHYS(PFN_UP(xen_start_info.nr_pages * 33.410 - sizeof(unsigned long)))); 33.411 - } 33.412 - 33.413 - pfn_to_mfn_frame_list = alloc_bootmem_low_pages(PAGE_SIZE); 33.414 - for ( i=0, j=0; i < max_pfn; i+=(PAGE_SIZE/sizeof(unsigned long)), j++ ) 33.415 - { 33.416 - pfn_to_mfn_frame_list[j] = 33.417 - virt_to_machine(&phys_to_machine_mapping[i]) >> PAGE_SHIFT; 33.418 - } 33.419 - HYPERVISOR_shared_info->arch.pfn_to_mfn_frame_list = 33.420 - virt_to_machine(pfn_to_mfn_frame_list) >> PAGE_SHIFT; 33.421 - 33.422 - op.cmd = PHYSDEVOP_SET_IOPL; 33.423 - op.u.set_iopl.iopl = current->thread.io_pl = 1; 33.424 - HYPERVISOR_physdev_op(&op); 33.425 - 33.426 - if (xen_start_info.flags & SIF_INITDOMAIN ) 33.427 - { 33.428 - if( !(xen_start_info.flags & SIF_PRIVILEGED) ) 33.429 - panic("Xen granted us console access but not privileged status"); 33.430 - 33.431 -#if defined(CONFIG_VT) 33.432 -#if defined(CONFIG_VGA_CONSOLE) 33.433 - conswitchp = &vga_con; 33.434 -#elif defined(CONFIG_DUMMY_CONSOLE) 33.435 - conswitchp = &dummy_con; 33.436 -#endif 33.437 -#endif 33.438 - } 33.439 -} 33.440 - 33.441 -static int cachesize_override __initdata = -1; 33.442 -static int __init cachesize_setup(char *str) 33.443 -{ 33.444 - get_option (&str, &cachesize_override); 33.445 - return 1; 33.446 -} 33.447 -__setup("cachesize=", cachesize_setup); 33.448 - 33.449 -static int __init highio_setup(char *str) 33.450 -{ 33.451 - printk("i386: disabling HIGHMEM block I/O\n"); 33.452 - blk_nohighio = 1; 33.453 - return 1; 33.454 -} 33.455 -__setup("nohighio", highio_setup); 33.456 - 33.457 -static int __init get_model_name(struct cpuinfo_x86 *c) 33.458 -{ 33.459 - unsigned int *v; 33.460 - char *p, *q; 33.461 - 33.462 - if (cpuid_eax(0x80000000) < 0x80000004) 33.463 - return 0; 33.464 - 33.465 - v = (unsigned int *) c->x86_model_id; 33.466 - cpuid(0x80000002, &v[0], &v[1], &v[2], &v[3]); 33.467 - cpuid(0x80000003, &v[4], &v[5], &v[6], &v[7]); 33.468 - cpuid(0x80000004, &v[8], &v[9], &v[10], &v[11]); 33.469 - c->x86_model_id[48] = 0; 33.470 - 33.471 - /* Intel chips right-justify this string for some dumb reason; 33.472 - undo that brain damage */ 33.473 - p = q = &c->x86_model_id[0]; 33.474 - while ( *p == ' ' ) 33.475 - p++; 33.476 - if ( p != q ) { 33.477 - while ( *p ) 33.478 - *q++ = *p++; 33.479 - while ( q <= &c->x86_model_id[48] ) 33.480 - *q++ = '\0'; /* Zero-pad the rest */ 33.481 - } 33.482 - 33.483 - return 1; 33.484 -} 33.485 - 33.486 - 33.487 -static void __init display_cacheinfo(struct cpuinfo_x86 *c) 33.488 -{ 33.489 - unsigned int n, dummy, ecx, edx, l2size; 33.490 - 33.491 - n = cpuid_eax(0x80000000); 33.492 - 33.493 - if (n >= 0x80000005) { 33.494 - cpuid(0x80000005, &dummy, &dummy, &ecx, &edx); 33.495 - printk(KERN_INFO "CPU: L1 I Cache: %dK (%d bytes/line), D cache %dK (%d bytes/line)\n", 33.496 - edx>>24, edx&0xFF, ecx>>24, ecx&0xFF); 33.497 - c->x86_cache_size=(ecx>>24)+(edx>>24); 33.498 - } 33.499 - 33.500 - if (n < 0x80000006) /* Some chips just has a large L1. */ 33.501 - return; 33.502 - 33.503 - ecx = cpuid_ecx(0x80000006); 33.504 - l2size = ecx >> 16; 33.505 - 33.506 - /* AMD errata T13 (order #21922) */ 33.507 - if ((c->x86_vendor == X86_VENDOR_AMD) && (c->x86 == 6)) { 33.508 - if (c->x86_model == 3 && c->x86_mask == 0) /* Duron Rev A0 */ 33.509 - l2size = 64; 33.510 - if (c->x86_model == 4 && 33.511 - (c->x86_mask==0 || c->x86_mask==1)) /* Tbird rev A1/A2 */ 33.512 - l2size = 256; 33.513 - } 33.514 - 33.515 - /* Intel PIII Tualatin. This comes in two flavours. 33.516 - * One has 256kb of cache, the other 512. We have no way 33.517 - * to determine which, so we use a boottime override 33.518 - * for the 512kb model, and assume 256 otherwise. 33.519 - */ 33.520 - if ((c->x86_vendor == X86_VENDOR_INTEL) && (c->x86 == 6) && 33.521 - (c->x86_model == 11) && (l2size == 0)) 33.522 - l2size = 256; 33.523 - 33.524 - if (c->x86_vendor == X86_VENDOR_CENTAUR) { 33.525 - /* VIA C3 CPUs (670-68F) need further shifting. */ 33.526 - if ((c->x86 == 6) && 33.527 - ((c->x86_model == 7) || (c->x86_model == 8))) { 33.528 - l2size >>= 8; 33.529 - } 33.530 - 33.531 - /* VIA also screwed up Nehemiah stepping 1, and made 33.532 - it return '65KB' instead of '64KB' 33.533 - - Note, it seems this may only be in engineering samples. */ 33.534 - if ((c->x86==6) && (c->x86_model==9) && 33.535 - (c->x86_mask==1) && (l2size==65)) 33.536 - l2size -= 1; 33.537 - } 33.538 - 33.539 - /* Allow user to override all this if necessary. */ 33.540 - if (cachesize_override != -1) 33.541 - l2size = cachesize_override; 33.542 - 33.543 - if ( l2size == 0 ) 33.544 - return; /* Again, no L2 cache is possible */ 33.545 - 33.546 - c->x86_cache_size = l2size; 33.547 - 33.548 - printk(KERN_INFO "CPU: L2 Cache: %dK (%d bytes/line)\n", 33.549 - l2size, ecx & 0xFF); 33.550 -} 33.551 - 33.552 -static void __init init_c3(struct cpuinfo_x86 *c) 33.553 -{ 33.554 - /* Test for Centaur Extended Feature Flags presence */ 33.555 - if (cpuid_eax(0xC0000000) >= 0xC0000001) { 33.556 - /* store Centaur Extended Feature Flags as 33.557 - * word 5 of the CPU capability bit array 33.558 - */ 33.559 - c->x86_capability[5] = cpuid_edx(0xC0000001); 33.560 - } 33.561 - 33.562 - switch (c->x86_model) { 33.563 - case 9: /* Nehemiah */ 33.564 - default: 33.565 - get_model_name(c); 33.566 - display_cacheinfo(c); 33.567 - break; 33.568 - } 33.569 -} 33.570 - 33.571 -static void __init init_centaur(struct cpuinfo_x86 *c) 33.572 -{ 33.573 - /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; 33.574 - 3DNow is IDd by bit 31 in extended CPUID (1*3231) anyway */ 33.575 - clear_bit(0*32+31, &c->x86_capability); 33.576 - 33.577 - switch (c->x86) { 33.578 - case 6: 33.579 - init_c3(c); 33.580 - break; 33.581 - default: 33.582 - panic("Unsupported Centaur CPU (%i)\n", c->x86); 33.583 - } 33.584 -} 33.585 - 33.586 -static int __init init_amd(struct cpuinfo_x86 *c) 33.587 -{ 33.588 - int r; 33.589 - 33.590 - /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; 33.591 - 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */ 33.592 - clear_bit(0*32+31, &c->x86_capability); 33.593 - 33.594 - r = get_model_name(c); 33.595 - 33.596 - switch(c->x86) 33.597 - { 33.598 - case 5: /* We don't like AMD K6 */ 33.599 - panic("Unsupported AMD processor\n"); 33.600 - case 6: /* An Athlon/Duron. We can trust the BIOS probably */ 33.601 - break; 33.602 - } 33.603 - 33.604 - display_cacheinfo(c); 33.605 - return r; 33.606 -} 33.607 - 33.608 - 33.609 -static void __init init_intel(struct cpuinfo_x86 *c) 33.610 -{ 33.611 - char *p = NULL; 33.612 - unsigned int l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */ 33.613 - 33.614 - if (c->cpuid_level > 1) { 33.615 - /* supports eax=2 call */ 33.616 - int i, j, n; 33.617 - int regs[4]; 33.618 - unsigned char *dp = (unsigned char *)regs; 33.619 - 33.620 - /* Number of times to iterate */ 33.621 - n = cpuid_eax(2) & 0xFF; 33.622 - 33.623 - for ( i = 0 ; i < n ; i++ ) { 33.624 - cpuid(2, ®s[0], ®s[1], ®s[2], ®s[3]); 33.625 - 33.626 - /* If bit 31 is set, this is an unknown format */ 33.627 - for ( j = 0 ; j < 3 ; j++ ) { 33.628 - if ( regs[j] < 0 ) regs[j] = 0; 33.629 - } 33.630 - 33.631 - /* Byte 0 is level count, not a descriptor */ 33.632 - for ( j = 1 ; j < 16 ; j++ ) { 33.633 - unsigned char des = dp[j]; 33.634 - unsigned char dl, dh; 33.635 - unsigned int cs; 33.636 - 33.637 - dh = des >> 4; 33.638 - dl = des & 0x0F; 33.639 - 33.640 - /* Black magic... */ 33.641 - 33.642 - switch ( dh ) 33.643 - { 33.644 - case 0: 33.645 - switch ( dl ) { 33.646 - case 6: 33.647 - /* L1 I cache */ 33.648 - l1i += 8; 33.649 - break; 33.650 - case 8: 33.651 - /* L1 I cache */ 33.652 - l1i += 16; 33.653 - break; 33.654 - case 10: 33.655 - /* L1 D cache */ 33.656 - l1d += 8; 33.657 - break; 33.658 - case 12: 33.659 - /* L1 D cache */ 33.660 - l1d += 16; 33.661 - break; 33.662 - default:; 33.663 - /* TLB, or unknown */ 33.664 - } 33.665 - break; 33.666 - case 2: 33.667 - if ( dl ) { 33.668 - /* L3 cache */ 33.669 - cs = (dl-1) << 9; 33.670 - l3 += cs; 33.671 - } 33.672 - break; 33.673 - case 4: 33.674 - if ( c->x86 > 6 && dl ) { 33.675 - /* P4 family */ 33.676 - /* L3 cache */ 33.677 - cs = 128 << (dl-1); 33.678 - l3 += cs; 33.679 - break; 33.680 - } 33.681 - /* else same as 8 - fall through */ 33.682 - case 8: 33.683 - if ( dl ) { 33.684 - /* L2 cache */ 33.685 - cs = 128 << (dl-1); 33.686 - l2 += cs; 33.687 - } 33.688 - break; 33.689 - case 6: 33.690 - if (dl > 5) { 33.691 - /* L1 D cache */ 33.692 - cs = 8<<(dl-6); 33.693 - l1d += cs; 33.694 - } 33.695 - break; 33.696 - case 7: 33.697 - if ( dl >= 8 ) 33.698 - { 33.699 - /* L2 cache */ 33.700 - cs = 64<<(dl-8); 33.701 - l2 += cs; 33.702 - } else { 33.703 - /* L0 I cache, count as L1 */ 33.704 - cs = dl ? (16 << (dl-1)) : 12; 33.705 - l1i += cs; 33.706 - } 33.707 - break; 33.708 - default: 33.709 - /* TLB, or something else we don't know about */ 33.710 - break; 33.711 - } 33.712 - } 33.713 - } 33.714 - if ( l1i || l1d ) 33.715 - printk(KERN_INFO "CPU: L1 I cache: %dK, L1 D cache: %dK\n", 33.716 - l1i, l1d); 33.717 - if ( l2 ) 33.718 - printk(KERN_INFO "CPU: L2 cache: %dK\n", l2); 33.719 - if ( l3 ) 33.720 - printk(KERN_INFO "CPU: L3 cache: %dK\n", l3); 33.721 - 33.722 - /* 33.723 - * This assumes the L3 cache is shared; it typically lives in 33.724 - * the northbridge. The L1 caches are included by the L2 33.725 - * cache, and so should not be included for the purpose of 33.726 - * SMP switching weights. 33.727 - */ 33.728 - c->x86_cache_size = l2 ? l2 : (l1i+l1d); 33.729 - } 33.730 - 33.731 - /* SEP CPUID bug: Pentium Pro reports SEP but doesn't have it */ 33.732 - if ( c->x86 == 6 && c->x86_model < 3 && c->x86_mask < 3 ) 33.733 - clear_bit(X86_FEATURE_SEP, &c->x86_capability); 33.734 - 33.735 - /* Names for the Pentium II/Celeron processors 33.736 - detectable only by also checking the cache size. 33.737 - Dixon is NOT a Celeron. */ 33.738 - if (c->x86 == 6) { 33.739 - switch (c->x86_model) { 33.740 - case 5: 33.741 - if (l2 == 0) 33.742 - p = "Celeron (Covington)"; 33.743 - if (l2 == 256) 33.744 - p = "Mobile Pentium II (Dixon)"; 33.745 - break; 33.746 - 33.747 - case 6: 33.748 - if (l2 == 128) 33.749 - p = "Celeron (Mendocino)"; 33.750 - break; 33.751 - 33.752 - case 8: 33.753 - if (l2 == 128) 33.754 - p = "Celeron (Coppermine)"; 33.755 - break; 33.756 - } 33.757 - } 33.758 - 33.759 - if ( p ) 33.760 - strcpy(c->x86_model_id, p); 33.761 -} 33.762 - 33.763 -void __init get_cpu_vendor(struct cpuinfo_x86 *c) 33.764 -{ 33.765 - char *v = c->x86_vendor_id; 33.766 - 33.767 - if (!strcmp(v, "GenuineIntel")) 33.768 - c->x86_vendor = X86_VENDOR_INTEL; 33.769 - else if (!strcmp(v, "AuthenticAMD")) 33.770 - c->x86_vendor = X86_VENDOR_AMD; 33.771 - else if (!strcmp(v, "CentaurHauls")) 33.772 - c->x86_vendor = X86_VENDOR_CENTAUR; 33.773 - else 33.774 - c->x86_vendor = X86_VENDOR_UNKNOWN; 33.775 -} 33.776 - 33.777 -struct cpu_model_info { 33.778 - int vendor; 33.779 - int family; 33.780 - char *model_names[16]; 33.781 -}; 33.782 - 33.783 -/* Naming convention should be: <Name> [(<Codename>)] */ 33.784 -/* This table only is used unless init_<vendor>() below doesn't set it; */ 33.785 -/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */ 33.786 -static struct cpu_model_info cpu_models[] __initdata = { 33.787 - { X86_VENDOR_INTEL, 6, 33.788 - { "Pentium Pro A-step", "Pentium Pro", NULL, "Pentium II (Klamath)", 33.789 - NULL, "Pentium II (Deschutes)", "Mobile Pentium II", 33.790 - "Pentium III (Katmai)", "Pentium III (Coppermine)", NULL, 33.791 - "Pentium III (Cascades)", NULL, NULL, NULL, NULL }}, 33.792 - { X86_VENDOR_AMD, 6, /* Is this this really necessary?? */ 33.793 - { "Athlon", "Athlon", 33.794 - "Athlon", NULL, "Athlon", NULL, 33.795 - NULL, NULL, NULL, 33.796 - NULL, NULL, NULL, NULL, NULL, NULL, NULL }} 33.797 -}; 33.798 - 33.799 -/* Look up CPU names by table lookup. */ 33.800 -static char __init *table_lookup_model(struct cpuinfo_x86 *c) 33.801 -{ 33.802 - struct cpu_model_info *info = cpu_models; 33.803 - int i; 33.804 - 33.805 - if ( c->x86_model >= 16 ) 33.806 - return NULL; /* Range check */ 33.807 - 33.808 - for ( i = 0 ; i < sizeof(cpu_models)/sizeof(struct cpu_model_info) ; i++ ) { 33.809 - if ( info->vendor == c->x86_vendor && 33.810 - info->family == c->x86 ) { 33.811 - return info->model_names[c->x86_model]; 33.812 - } 33.813 - info++; 33.814 - } 33.815 - return NULL; /* Not found */ 33.816 -} 33.817 - 33.818 - 33.819 - 33.820 -/* Standard macro to see if a specific flag is changeable */ 33.821 -static inline int flag_is_changeable_p(u32 flag) 33.822 -{ 33.823 - u32 f1, f2; 33.824 - 33.825 - asm("pushfl\n\t" 33.826 - "pushfl\n\t" 33.827 - "popl %0\n\t" 33.828 - "movl %0,%1\n\t" 33.829 - "xorl %2,%0\n\t" 33.830 - "pushl %0\n\t" 33.831 - "popfl\n\t" 33.832 - "pushfl\n\t" 33.833 - "popl %0\n\t" 33.834 - "popfl\n\t" 33.835 - : "=&r" (f1), "=&r" (f2) 33.836 - : "ir" (flag)); 33.837 - 33.838 - return ((f1^f2) & flag) != 0; 33.839 -} 33.840 - 33.841 - 33.842 -/* Probe for the CPUID instruction */ 33.843 -static int __init have_cpuid_p(void) 33.844 -{ 33.845 - return flag_is_changeable_p(X86_EFLAGS_ID); 33.846 -} 33.847 - 33.848 - 33.849 - 33.850 -#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE) 33.851 -unsigned char eddnr; 33.852 -struct edd_info edd[EDDMAXNR]; 33.853 -unsigned int edd_disk80_sig; 33.854 -/** 33.855 - * copy_edd() - Copy the BIOS EDD information 33.856 - * from empty_zero_page into a safe place. 33.857 - * 33.858 - */ 33.859 -static inline void copy_edd(void) 33.860 -{ 33.861 - eddnr = EDD_NR; 33.862 - memcpy(edd, EDD_BUF, sizeof(edd)); 33.863 - edd_disk80_sig = DISK80_SIGNATURE_BUFFER; 33.864 -} 33.865 -#else 33.866 -static inline void copy_edd(void) {} 33.867 -#endif 33.868 - 33.869 -/* 33.870 - * This does the hard work of actually picking apart the CPU stuff... 33.871 - */ 33.872 -void __init identify_cpu(struct cpuinfo_x86 *c) 33.873 -{ 33.874 - int junk, i; 33.875 - u32 xlvl, tfms; 33.876 - 33.877 - c->loops_per_jiffy = loops_per_jiffy; 33.878 - c->x86_cache_size = -1; 33.879 - c->x86_vendor = X86_VENDOR_UNKNOWN; 33.880 - c->cpuid_level = -1; /* CPUID not detected */ 33.881 - c->x86_model = c->x86_mask = 0; /* So far unknown... */ 33.882 - c->x86_vendor_id[0] = '\0'; /* Unset */ 33.883 - c->x86_model_id[0] = '\0'; /* Unset */ 33.884 - memset(&c->x86_capability, 0, sizeof c->x86_capability); 33.885 - c->hard_math = 1; 33.886 - 33.887 - if ( !have_cpuid_p() ) { 33.888 - panic("Processor must support CPUID\n"); 33.889 - } else { 33.890 - /* CPU does have CPUID */ 33.891 - 33.892 - /* Get vendor name */ 33.893 - cpuid(0x00000000, &c->cpuid_level, 33.894 - (int *)&c->x86_vendor_id[0], 33.895 - (int *)&c->x86_vendor_id[8], 33.896 - (int *)&c->x86_vendor_id[4]); 33.897 - 33.898 - get_cpu_vendor(c); 33.899 - /* Initialize the standard set of capabilities */ 33.900 - /* Note that the vendor-specific code below might override */ 33.901 - 33.902 - /* Intel-defined flags: level 0x00000001 */ 33.903 - if ( c->cpuid_level >= 0x00000001 ) { 33.904 - u32 capability, excap; 33.905 - cpuid(0x00000001, &tfms, &junk, &excap, &capability); 33.906 - c->x86_capability[0] = capability; 33.907 - c->x86_capability[4] = excap; 33.908 - c->x86 = (tfms >> 8) & 15; 33.909 - c->x86_model = (tfms >> 4) & 15; 33.910 - if (c->x86 == 0xf) { 33.911 - c->x86 += (tfms >> 20) & 0xff; 33.912 - c->x86_model += ((tfms >> 16) & 0xF) << 4; 33.913 - } 33.914 - c->x86_mask = tfms & 15; 33.915 - } else { 33.916 - /* Have CPUID level 0 only - unheard of */ 33.917 - c->x86 = 4; 33.918 - } 33.919 - 33.920 - /* AMD-defined flags: level 0x80000001 */ 33.921 - xlvl = cpuid_eax(0x80000000); 33.922 - if ( (xlvl & 0xffff0000) == 0x80000000 ) { 33.923 - if ( xlvl >= 0x80000001 ) 33.924 - c->x86_capability[1] = cpuid_edx(0x80000001); 33.925 - if ( xlvl >= 0x80000004 ) 33.926 - get_model_name(c); /* Default name */ 33.927 - } 33.928 - 33.929 - /* Transmeta-defined flags: level 0x80860001 */ 33.930 - xlvl = cpuid_eax(0x80860000); 33.931 - if ( (xlvl & 0xffff0000) == 0x80860000 ) { 33.932 - if ( xlvl >= 0x80860001 ) 33.933 - c->x86_capability[2] = cpuid_edx(0x80860001); 33.934 - } 33.935 - } 33.936 - 33.937 - printk(KERN_DEBUG "CPU: Before vendor init, caps: %08x %08x %08x, vendor = %d\n", 33.938 - c->x86_capability[0], 33.939 - c->x86_capability[1], 33.940 - c->x86_capability[2], 33.941 - c->x86_vendor); 33.942 - 33.943 - /* 33.944 - * Vendor-specific initialization. In this section we 33.945 - * canonicalize the feature flags, meaning if there are 33.946 - * features a certain CPU supports which CPUID doesn't 33.947 - * tell us, CPUID claiming incorrect flags, or other bugs, 33.948 - * we handle them here. 33.949 - * 33.950 - * At the end of this section, c->x86_capability better 33.951 - * indicate the features this CPU genuinely supports! 33.952 - */ 33.953 - switch ( c->x86_vendor ) { 33.954 - case X86_VENDOR_AMD: 33.955 - init_amd(c); 33.956 - break; 33.957 - 33.958 - case X86_VENDOR_INTEL: 33.959 - init_intel(c); 33.960 - break; 33.961 - 33.962 - case X86_VENDOR_CENTAUR: 33.963 - init_centaur(c); 33.964 - break; 33.965 - 33.966 - default: 33.967 - printk("Unsupported CPU vendor (%d) -- please report!\n", 33.968 - c->x86_vendor); 33.969 - } 33.970 - 33.971 - printk(KERN_DEBUG "CPU: After vendor init, caps: %08x %08x %08x %08x\n", 33.972 - c->x86_capability[0], 33.973 - c->x86_capability[1], 33.974 - c->x86_capability[2], 33.975 - c->x86_capability[3]); 33.976 - 33.977 - 33.978 - /* If the model name is still unset, do table lookup. */ 33.979 - if ( !c->x86_model_id[0] ) { 33.980 - char *p; 33.981 - p = table_lookup_model(c); 33.982 - if ( p ) 33.983 - strcpy(c->x86_model_id, p); 33.984 - else 33.985 - /* Last resort... */ 33.986 - sprintf(c->x86_model_id, "%02x/%02x", 33.987 - c->x86_vendor, c->x86_model); 33.988 - } 33.989 - 33.990 - /* Now the feature flags better reflect actual CPU features! */ 33.991 - 33.992 - printk(KERN_DEBUG "CPU: After generic, caps: %08x %08x %08x %08x\n", 33.993 - c->x86_capability[0], 33.994 - c->x86_capability[1], 33.995 - c->x86_capability[2], 33.996 - c->x86_capability[3]); 33.997 - 33.998 - /* 33.999 - * On SMP, boot_cpu_data holds the common feature set between 33.1000 - * all CPUs; so make sure that we indicate which features are 33.1001 - * common between the CPUs. The first time this routine gets 33.1002 - * executed, c == &boot_cpu_data. 33.1003 - */ 33.1004 - if ( c != &boot_cpu_data ) { 33.1005 - /* AND the already accumulated flags with these */ 33.1006 - for ( i = 0 ; i < NCAPINTS ; i++ ) 33.1007 - boot_cpu_data.x86_capability[i] &= c->x86_capability[i]; 33.1008 - } 33.1009 - 33.1010 - printk(KERN_DEBUG "CPU: Common caps: %08x %08x %08x %08x\n", 33.1011 - boot_cpu_data.x86_capability[0], 33.1012 - boot_cpu_data.x86_capability[1], 33.1013 - boot_cpu_data.x86_capability[2], 33.1014 - boot_cpu_data.x86_capability[3]); 33.1015 -} 33.1016 - 33.1017 - 33.1018 -/* These need to match <asm/processor.h> */ 33.1019 -static char *cpu_vendor_names[] __initdata = { 33.1020 - "Intel", "Cyrix", "AMD", "UMC", "NexGen", "Centaur", "Rise", "Transmeta" }; 33.1021 - 33.1022 - 33.1023 -void __init print_cpu_info(struct cpuinfo_x86 *c) 33.1024 -{ 33.1025 - char *vendor = NULL; 33.1026 - 33.1027 - if (c->x86_vendor < sizeof(cpu_vendor_names)/sizeof(char *)) 33.1028 - vendor = cpu_vendor_names[c->x86_vendor]; 33.1029 - else if (c->cpuid_level >= 0) 33.1030 - vendor = c->x86_vendor_id; 33.1031 - 33.1032 - if (vendor && strncmp(c->x86_model_id, vendor, strlen(vendor))) 33.1033 - printk("%s ", vendor); 33.1034 - 33.1035 - if (!c->x86_model_id[0]) 33.1036 - printk("%d86", c->x86); 33.1037 - else 33.1038 - printk("%s", c->x86_model_id); 33.1039 - 33.1040 - if (c->x86_mask || c->cpuid_level >= 0) 33.1041 - printk(" stepping %02x\n", c->x86_mask); 33.1042 - else 33.1043 - printk("\n"); 33.1044 -} 33.1045 - 33.1046 -/* 33.1047 - * Get CPU information for use by the procfs. 33.1048 - */ 33.1049 -static int show_cpuinfo(struct seq_file *m, void *v) 33.1050 -{ 33.1051 - /* 33.1052 - * These flag bits must match the definitions in <asm/cpufeature.h>. 33.1053 - * NULL means this bit is undefined or reserved; either way it doesn't 33.1054 - * have meaning as far as Linux is concerned. Note that it's important 33.1055 - * to realize there is a difference between this table and CPUID -- if 33.1056 - * applications want to get the raw CPUID data, they should access 33.1057 - * /dev/cpu/<cpu_nr>/cpuid instead. 33.1058 - */ 33.1059 - static char *x86_cap_flags[] = { 33.1060 - /* Intel-defined */ 33.1061 - "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", 33.1062 - "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", 33.1063 - "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", 33.1064 - "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe", 33.1065 - 33.1066 - /* AMD-defined */ 33.1067 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1068 - NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL, 33.1069 - NULL, NULL, NULL, "mp", NULL, NULL, "mmxext", NULL, 33.1070 - NULL, NULL, NULL, NULL, NULL, "lm", "3dnowext", "3dnow", 33.1071 - 33.1072 - /* Transmeta-defined */ 33.1073 - "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL, 33.1074 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1075 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1076 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1077 - 33.1078 - /* Other (Linux-defined) */ 33.1079 - "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", 33.1080 - NULL, NULL, NULL, NULL, 33.1081 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1082 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1083 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1084 - 33.1085 - /* Intel-defined (#2) */ 33.1086 - "pni", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "tm2", 33.1087 - "est", NULL, "cid", NULL, NULL, NULL, NULL, NULL, 33.1088 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1089 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1090 - 33.1091 - /* VIA/Cyrix/Centaur-defined */ 33.1092 - NULL, NULL, "xstore", NULL, NULL, NULL, NULL, NULL, 33.1093 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1094 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1095 - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 33.1096 - 33.1097 - }; 33.1098 - struct cpuinfo_x86 *c = v; 33.1099 - int i, n = c - cpu_data; 33.1100 - int fpu_exception; 33.1101 - 33.1102 -#ifdef CONFIG_SMP 33.1103 - if (!(cpu_online_map & (1<<n))) 33.1104 - return 0; 33.1105 -#endif 33.1106 - seq_printf(m, "processor\t: %d\n" 33.1107 - "vendor_id\t: %s\n" 33.1108 - "cpu family\t: %d\n" 33.1109 - "model\t\t: %d\n" 33.1110 - "model name\t: %s\n", 33.1111 - n, 33.1112 - c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown", 33.1113 - c->x86, 33.1114 - c->x86_model, 33.1115 - c->x86_model_id[0] ? c->x86_model_id : "unknown"); 33.1116 - 33.1117 - if (c->x86_mask || c->cpuid_level >= 0) 33.1118 - seq_printf(m, "stepping\t: %d\n", c->x86_mask); 33.1119 - else 33.1120 - seq_printf(m, "stepping\t: unknown\n"); 33.1121 - 33.1122 - if ( test_bit(X86_FEATURE_TSC, &c->x86_capability) ) { 33.1123 - seq_printf(m, "cpu MHz\t\t: %lu.%03lu\n", 33.1124 - cpu_khz / 1000, (cpu_khz % 1000)); 33.1125 - } 33.1126 - 33.1127 - /* Cache size */ 33.1128 - if (c->x86_cache_size >= 0) 33.1129 - seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size); 33.1130 - 33.1131 - /* We use exception 16 if we have hardware math and we've either seen it or the CPU claims it is internal */ 33.1132 - fpu_exception = c->hard_math && (ignore_irq13 || cpu_has_fpu); 33.1133 - seq_printf(m, "fdiv_bug\t: %s\n" 33.1134 - "hlt_bug\t\t: %s\n" 33.1135 - "f00f_bug\t: %s\n" 33.1136 - "coma_bug\t: %s\n" 33.1137 - "fpu\t\t: %s\n" 33.1138 - "fpu_exception\t: %s\n" 33.1139 - "cpuid level\t: %d\n" 33.1140 - "wp\t\t: %s\n" 33.1141 - "flags\t\t:", 33.1142 - c->fdiv_bug ? "yes" : "no", 33.1143 - c->hlt_works_ok ? "no" : "yes", 33.1144 - c->f00f_bug ? "yes" : "no", 33.1145 - c->coma_bug ? "yes" : "no", 33.1146 - c->hard_math ? "yes" : "no", 33.1147 - fpu_exception ? "yes" : "no", 33.1148 - c->cpuid_level, 33.1149 - c->wp_works_ok ? "yes" : "no"); 33.1150 - 33.1151 - for ( i = 0 ; i < 32*NCAPINTS ; i++ ) 33.1152 - if ( test_bit(i, &c->x86_capability) && 33.1153 - x86_cap_flags[i] != NULL ) 33.1154 - seq_printf(m, " %s", x86_cap_flags[i]); 33.1155 - 33.1156 - seq_printf(m, "\nbogomips\t: %lu.%02lu\n\n", 33.1157 - c->loops_per_jiffy/(500000/HZ), 33.1158 - (c->loops_per_jiffy/(5000/HZ)) % 100); 33.1159 - return 0; 33.1160 -} 33.1161 - 33.1162 -static void *c_start(struct seq_file *m, loff_t *pos) 33.1163 -{ 33.1164 - return *pos < NR_CPUS ? cpu_data + *pos : NULL; 33.1165 -} 33.1166 -static void *c_next(struct seq_file *m, void *v, loff_t *pos) 33.1167 -{ 33.1168 - ++*pos; 33.1169 - return c_start(m, pos); 33.1170 -} 33.1171 -static void c_stop(struct seq_file *m, void *v) 33.1172 -{ 33.1173 -} 33.1174 -struct seq_operations cpuinfo_op = { 33.1175 - start: c_start, 33.1176 - next: c_next, 33.1177 - stop: c_stop, 33.1178 - show: show_cpuinfo, 33.1179 -}; 33.1180 - 33.1181 -unsigned long cpu_initialized __initdata = 0; 33.1182 - 33.1183 -/* 33.1184 - * cpu_init() initializes state that is per-CPU. Some data is already 33.1185 - * initialized (naturally) in the bootstrap process, such as the GDT 33.1186 - * and IDT. We reload them nevertheless, this function acts as a 33.1187 - * 'CPU state barrier', nothing should get across. 33.1188 - */ 33.1189 -void __init cpu_init (void) 33.1190 -{ 33.1191 - int nr = smp_processor_id(); 33.1192 - 33.1193 - if (test_and_set_bit(nr, &cpu_initialized)) { 33.1194 - printk(KERN_WARNING "CPU#%d already initialized!\n", nr); 33.1195 - for (;;) __sti(); 33.1196 - } 33.1197 - printk(KERN_INFO "Initializing CPU#%d\n", nr); 33.1198 - 33.1199 - /* 33.1200 - * set up and load the per-CPU TSS and LDT 33.1201 - */ 33.1202 - atomic_inc(&init_mm.mm_count); 33.1203 - current->active_mm = &init_mm; 33.1204 - if(current->mm) 33.1205 - BUG(); 33.1206 - enter_lazy_tlb(&init_mm, current, nr); 33.1207 - 33.1208 - HYPERVISOR_stack_switch(__KERNEL_DS, current->thread.esp0); 33.1209 - 33.1210 - load_LDT(&init_mm.context); 33.1211 - 33.1212 - /* Force FPU initialization. */ 33.1213 - current->flags &= ~PF_USEDFPU; 33.1214 - current->used_math = 0; 33.1215 - stts(); 33.1216 -}
34.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/signal.c Fri Oct 07 23:22:35 2005 +0100 34.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 34.3 @@ -1,717 +0,0 @@ 34.4 -/* 34.5 - * linux/arch/i386/kernel/signal.c 34.6 - * 34.7 - * Copyright (C) 1991, 1992 Linus Torvalds 34.8 - * 34.9 - * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson 34.10 - * 2000-06-20 Pentium III FXSR, SSE support by Gareth Hughes 34.11 - */ 34.12 - 34.13 -#include <linux/sched.h> 34.14 -#include <linux/mm.h> 34.15 -#include <linux/smp.h> 34.16 -#include <linux/smp_lock.h> 34.17 -#include <linux/kernel.h> 34.18 -#include <linux/signal.h> 34.19 -#include <linux/errno.h> 34.20 -#include <linux/wait.h> 34.21 -#include <linux/ptrace.h> 34.22 -#include <linux/unistd.h> 34.23 -#include <linux/stddef.h> 34.24 -#include <linux/tty.h> 34.25 -#include <linux/personality.h> 34.26 -#include <asm/ucontext.h> 34.27 -#include <asm/uaccess.h> 34.28 -#include <asm/i387.h> 34.29 - 34.30 -#define DEBUG_SIG 0 34.31 - 34.32 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) 34.33 - 34.34 -int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset)); 34.35 - 34.36 -int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from) 34.37 -{ 34.38 - if (!access_ok (VERIFY_WRITE, to, sizeof(siginfo_t))) 34.39 - return -EFAULT; 34.40 - if (from->si_code < 0) 34.41 - return __copy_to_user(to, from, sizeof(siginfo_t)); 34.42 - else { 34.43 - int err; 34.44 - 34.45 - /* If you change siginfo_t structure, please be sure 34.46 - this code is fixed accordingly. 34.47 - It should never copy any pad contained in the structure 34.48 - to avoid security leaks, but must copy the generic 34.49 - 3 ints plus the relevant union member. */ 34.50 - err = __put_user(from->si_signo, &to->si_signo); 34.51 - err |= __put_user(from->si_errno, &to->si_errno); 34.52 - err |= __put_user((short)from->si_code, &to->si_code); 34.53 - /* First 32bits of unions are always present. */ 34.54 - err |= __put_user(from->si_pid, &to->si_pid); 34.55 - switch (from->si_code >> 16) { 34.56 - case __SI_FAULT >> 16: 34.57 - break; 34.58 - case __SI_CHLD >> 16: 34.59 - err |= __put_user(from->si_utime, &to->si_utime); 34.60 - err |= __put_user(from->si_stime, &to->si_stime); 34.61 - err |= __put_user(from->si_status, &to->si_status); 34.62 - default: 34.63 - err |= __put_user(from->si_uid, &to->si_uid); 34.64 - break; 34.65 - /* case __SI_RT: This is not generated by the kernel as of now. */ 34.66 - } 34.67 - return err; 34.68 - } 34.69 -} 34.70 - 34.71 -/* 34.72 - * Atomically swap in the new signal mask, and wait for a signal. 34.73 - */ 34.74 -asmlinkage int 34.75 -sys_sigsuspend(int history0, int history1, old_sigset_t mask) 34.76 -{ 34.77 - struct pt_regs * regs = (struct pt_regs *) &history0; 34.78 - sigset_t saveset; 34.79 - 34.80 - mask &= _BLOCKABLE; 34.81 - spin_lock_irq(¤t->sigmask_lock); 34.82 - saveset = current->blocked; 34.83 - siginitset(¤t->blocked, mask); 34.84 - recalc_sigpending(current); 34.85 - spin_unlock_irq(¤t->sigmask_lock); 34.86 - 34.87 - regs->eax = -EINTR; 34.88 - while (1) { 34.89 - current->state = TASK_INTERRUPTIBLE; 34.90 - schedule(); 34.91 - if (do_signal(regs, &saveset)) 34.92 - return -EINTR; 34.93 - } 34.94 -} 34.95 - 34.96 -asmlinkage int 34.97 -sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize) 34.98 -{ 34.99 - struct pt_regs * regs = (struct pt_regs *) &unewset; 34.100 - sigset_t saveset, newset; 34.101 - 34.102 - /* XXX: Don't preclude handling different sized sigset_t's. */ 34.103 - if (sigsetsize != sizeof(sigset_t)) 34.104 - return -EINVAL; 34.105 - 34.106 - if (copy_from_user(&newset, unewset, sizeof(newset))) 34.107 - return -EFAULT; 34.108 - sigdelsetmask(&newset, ~_BLOCKABLE); 34.109 - 34.110 - spin_lock_irq(¤t->sigmask_lock); 34.111 - saveset = current->blocked; 34.112 - current->blocked = newset; 34.113 - recalc_sigpending(current); 34.114 - spin_unlock_irq(¤t->sigmask_lock); 34.115 - 34.116 - regs->eax = -EINTR; 34.117 - while (1) { 34.118 - current->state = TASK_INTERRUPTIBLE; 34.119 - schedule(); 34.120 - if (do_signal(regs, &saveset)) 34.121 - return -EINTR; 34.122 - } 34.123 -} 34.124 - 34.125 -asmlinkage int 34.126 -sys_sigaction(int sig, const struct old_sigaction *act, 34.127 - struct old_sigaction *oact) 34.128 -{ 34.129 - struct k_sigaction new_ka, old_ka; 34.130 - int ret; 34.131 - 34.132 - if (act) { 34.133 - old_sigset_t mask; 34.134 - if (verify_area(VERIFY_READ, act, sizeof(*act)) || 34.135 - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || 34.136 - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) 34.137 - return -EFAULT; 34.138 - __get_user(new_ka.sa.sa_flags, &act->sa_flags); 34.139 - __get_user(mask, &act->sa_mask); 34.140 - siginitset(&new_ka.sa.sa_mask, mask); 34.141 - } 34.142 - 34.143 - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); 34.144 - 34.145 - if (!ret && oact) { 34.146 - if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) || 34.147 - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || 34.148 - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) 34.149 - return -EFAULT; 34.150 - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); 34.151 - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); 34.152 - } 34.153 - 34.154 - return ret; 34.155 -} 34.156 - 34.157 -asmlinkage int 34.158 -sys_sigaltstack(const stack_t *uss, stack_t *uoss) 34.159 -{ 34.160 - struct pt_regs *regs = (struct pt_regs *) &uss; 34.161 - return do_sigaltstack(uss, uoss, regs->esp); 34.162 -} 34.163 - 34.164 - 34.165 -/* 34.166 - * Do a signal return; undo the signal stack. 34.167 - */ 34.168 - 34.169 -struct sigframe 34.170 -{ 34.171 - char *pretcode; 34.172 - int sig; 34.173 - struct sigcontext sc; 34.174 - struct _fpstate fpstate; 34.175 - unsigned long extramask[_NSIG_WORDS-1]; 34.176 - char retcode[8]; 34.177 -}; 34.178 - 34.179 -struct rt_sigframe 34.180 -{ 34.181 - char *pretcode; 34.182 - int sig; 34.183 - struct siginfo *pinfo; 34.184 - void *puc; 34.185 - struct siginfo info; 34.186 - struct ucontext uc; 34.187 - struct _fpstate fpstate; 34.188 - char retcode[8]; 34.189 -}; 34.190 - 34.191 -static int 34.192 -restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc, int *peax) 34.193 -{ 34.194 - unsigned int err = 0; 34.195 - 34.196 -#define COPY(x) err |= __get_user(regs->x, &sc->x) 34.197 - 34.198 -#define COPY_SEG(seg) \ 34.199 - { unsigned short tmp; \ 34.200 - err |= __get_user(tmp, &sc->seg); \ 34.201 - regs->x##seg = tmp; } 34.202 - 34.203 -#define COPY_SEG_STRICT(seg) \ 34.204 - { unsigned short tmp; \ 34.205 - err |= __get_user(tmp, &sc->seg); \ 34.206 - regs->x##seg = tmp|3; } 34.207 - 34.208 -#define GET_SEG(seg) \ 34.209 - { unsigned short tmp; \ 34.210 - err |= __get_user(tmp, &sc->seg); \ 34.211 - loadsegment(seg,tmp); } 34.212 - 34.213 - GET_SEG(gs); 34.214 - GET_SEG(fs); 34.215 - COPY_SEG(es); 34.216 - COPY_SEG(ds); 34.217 - COPY(edi); 34.218 - COPY(esi); 34.219 - COPY(ebp); 34.220 - COPY(esp); 34.221 - COPY(ebx); 34.222 - COPY(edx); 34.223 - COPY(ecx); 34.224 - COPY(eip); 34.225 - COPY_SEG_STRICT(cs); 34.226 - COPY_SEG_STRICT(ss); 34.227 - 34.228 - { 34.229 - unsigned int tmpflags; 34.230 - err |= __get_user(tmpflags, &sc->eflags); 34.231 - regs->eflags = (regs->eflags & ~0x40DD5) | (tmpflags & 0x40DD5); 34.232 - regs->orig_eax = -1; /* disable syscall checks */ 34.233 - } 34.234 - 34.235 - { 34.236 - struct _fpstate * buf; 34.237 - err |= __get_user(buf, &sc->fpstate); 34.238 - if (buf) { 34.239 - if (verify_area(VERIFY_READ, buf, sizeof(*buf))) 34.240 - goto badframe; 34.241 - err |= restore_i387(buf); 34.242 - } 34.243 - } 34.244 - 34.245 - err |= __get_user(*peax, &sc->eax); 34.246 - return err; 34.247 - 34.248 -badframe: 34.249 - return 1; 34.250 -} 34.251 - 34.252 -asmlinkage int sys_sigreturn(unsigned long __unused) 34.253 -{ 34.254 - struct pt_regs *regs = (struct pt_regs *) &__unused; 34.255 - struct sigframe *frame = (struct sigframe *)(regs->esp - 8); 34.256 - sigset_t set; 34.257 - int eax; 34.258 - 34.259 - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) 34.260 - goto badframe; 34.261 - if (__get_user(set.sig[0], &frame->sc.oldmask) 34.262 - || (_NSIG_WORDS > 1 34.263 - && __copy_from_user(&set.sig[1], &frame->extramask, 34.264 - sizeof(frame->extramask)))) 34.265 - goto badframe; 34.266 - 34.267 - sigdelsetmask(&set, ~_BLOCKABLE); 34.268 - spin_lock_irq(¤t->sigmask_lock); 34.269 - current->blocked = set; 34.270 - recalc_sigpending(current); 34.271 - spin_unlock_irq(¤t->sigmask_lock); 34.272 - 34.273 - if (restore_sigcontext(regs, &frame->sc, &eax)) 34.274 - goto badframe; 34.275 - return eax; 34.276 - 34.277 -badframe: 34.278 - force_sig(SIGSEGV, current); 34.279 - return 0; 34.280 -} 34.281 - 34.282 -asmlinkage int sys_rt_sigreturn(unsigned long __unused) 34.283 -{ 34.284 - struct pt_regs *regs = (struct pt_regs *) &__unused; 34.285 - struct rt_sigframe *frame = (struct rt_sigframe *)(regs->esp - 4); 34.286 - sigset_t set; 34.287 - stack_t st; 34.288 - int eax; 34.289 - 34.290 - if (verify_area(VERIFY_READ, frame, sizeof(*frame))) 34.291 - goto badframe; 34.292 - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) 34.293 - goto badframe; 34.294 - 34.295 - sigdelsetmask(&set, ~_BLOCKABLE); 34.296 - spin_lock_irq(¤t->sigmask_lock); 34.297 - current->blocked = set; 34.298 - recalc_sigpending(current); 34.299 - spin_unlock_irq(¤t->sigmask_lock); 34.300 - 34.301 - if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &eax)) 34.302 - goto badframe; 34.303 - 34.304 - if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st))) 34.305 - goto badframe; 34.306 - /* It is more difficult to avoid calling this function than to 34.307 - call it and ignore errors. */ 34.308 - do_sigaltstack(&st, NULL, regs->esp); 34.309 - 34.310 - return eax; 34.311 - 34.312 -badframe: 34.313 - force_sig(SIGSEGV, current); 34.314 - return 0; 34.315 -} 34.316 - 34.317 -/* 34.318 - * Set up a signal frame. 34.319 - */ 34.320 - 34.321 -static int 34.322 -setup_sigcontext(struct sigcontext *sc, struct _fpstate *fpstate, 34.323 - struct pt_regs *regs, unsigned long mask) 34.324 -{ 34.325 - int tmp, err = 0; 34.326 - 34.327 - tmp = 0; 34.328 - __asm__("movl %%gs,%0" : "=r"(tmp): "0"(tmp)); 34.329 - err |= __put_user(tmp, (unsigned int *)&sc->gs); 34.330 - __asm__("movl %%fs,%0" : "=r"(tmp): "0"(tmp)); 34.331 - err |= __put_user(tmp, (unsigned int *)&sc->fs); 34.332 - 34.333 - err |= __put_user(regs->xes, (unsigned int *)&sc->es); 34.334 - err |= __put_user(regs->xds, (unsigned int *)&sc->ds); 34.335 - err |= __put_user(regs->edi, &sc->edi); 34.336 - err |= __put_user(regs->esi, &sc->esi); 34.337 - err |= __put_user(regs->ebp, &sc->ebp); 34.338 - err |= __put_user(regs->esp, &sc->esp); 34.339 - err |= __put_user(regs->ebx, &sc->ebx); 34.340 - err |= __put_user(regs->edx, &sc->edx); 34.341 - err |= __put_user(regs->ecx, &sc->ecx); 34.342 - err |= __put_user(regs->eax, &sc->eax); 34.343 - err |= __put_user(current->thread.trap_no, &sc->trapno); 34.344 - err |= __put_user(current->thread.error_code, &sc->err); 34.345 - err |= __put_user(regs->eip, &sc->eip); 34.346 - err |= __put_user(regs->xcs, (unsigned int *)&sc->cs); 34.347 - err |= __put_user(regs->eflags, &sc->eflags); 34.348 - err |= __put_user(regs->esp, &sc->esp_at_signal); 34.349 - err |= __put_user(regs->xss, (unsigned int *)&sc->ss); 34.350 - 34.351 - tmp = save_i387(fpstate); 34.352 - if (tmp < 0) 34.353 - err = 1; 34.354 - else 34.355 - err |= __put_user(tmp ? fpstate : NULL, &sc->fpstate); 34.356 - 34.357 - /* non-iBCS2 extensions.. */ 34.358 - err |= __put_user(mask, &sc->oldmask); 34.359 - err |= __put_user(current->thread.cr2, &sc->cr2); 34.360 - 34.361 - return err; 34.362 -} 34.363 - 34.364 -/* 34.365 - * Determine which stack to use.. 34.366 - */ 34.367 -static inline void * 34.368 -get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) 34.369 -{ 34.370 - unsigned long esp; 34.371 - 34.372 - /* Default to using normal stack */ 34.373 - esp = regs->esp; 34.374 - 34.375 - /* This is the X/Open sanctioned signal stack switching. */ 34.376 - if (ka->sa.sa_flags & SA_ONSTACK) { 34.377 - if (sas_ss_flags(esp) == 0) 34.378 - esp = current->sas_ss_sp + current->sas_ss_size; 34.379 - } 34.380 - 34.381 - /* This is the legacy signal stack switching. */ 34.382 - else if ((regs->xss & 0xffff) != __USER_DS && 34.383 - !(ka->sa.sa_flags & SA_RESTORER) && 34.384 - ka->sa.sa_restorer) { 34.385 - esp = (unsigned long) ka->sa.sa_restorer; 34.386 - } 34.387 - 34.388 - return (void *)((esp - frame_size) & -8ul); 34.389 -} 34.390 - 34.391 -static void setup_frame(int sig, struct k_sigaction *ka, 34.392 - sigset_t *set, struct pt_regs * regs) 34.393 -{ 34.394 - struct sigframe *frame; 34.395 - int err = 0; 34.396 - 34.397 - frame = get_sigframe(ka, regs, sizeof(*frame)); 34.398 - 34.399 - if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) 34.400 - goto give_sigsegv; 34.401 - 34.402 - err |= __put_user((current->exec_domain 34.403 - && current->exec_domain->signal_invmap 34.404 - && sig < 32 34.405 - ? current->exec_domain->signal_invmap[sig] 34.406 - : sig), 34.407 - &frame->sig); 34.408 - if (err) 34.409 - goto give_sigsegv; 34.410 - 34.411 - err |= setup_sigcontext(&frame->sc, &frame->fpstate, regs, set->sig[0]); 34.412 - if (err) 34.413 - goto give_sigsegv; 34.414 - 34.415 - if (_NSIG_WORDS > 1) { 34.416 - err |= __copy_to_user(frame->extramask, &set->sig[1], 34.417 - sizeof(frame->extramask)); 34.418 - } 34.419 - if (err) 34.420 - goto give_sigsegv; 34.421 - 34.422 - /* Set up to return from userspace. If provided, use a stub 34.423 - already in userspace. */ 34.424 - if (ka->sa.sa_flags & SA_RESTORER) { 34.425 - err |= __put_user(ka->sa.sa_restorer, &frame->pretcode); 34.426 - } else { 34.427 - err |= __put_user(frame->retcode, &frame->pretcode); 34.428 - /* This is popl %eax ; movl $,%eax ; int $0x80 */ 34.429 - err |= __put_user(0xb858, (short *)(frame->retcode+0)); 34.430 - err |= __put_user(__NR_sigreturn, (int *)(frame->retcode+2)); 34.431 - err |= __put_user(0x80cd, (short *)(frame->retcode+6)); 34.432 - } 34.433 - 34.434 - if (err) 34.435 - goto give_sigsegv; 34.436 - 34.437 - /* Set up registers for signal handler */ 34.438 - regs->esp = (unsigned long) frame; 34.439 - regs->eip = (unsigned long) ka->sa.sa_handler; 34.440 - 34.441 - set_fs(USER_DS); 34.442 - regs->xds = __USER_DS; 34.443 - regs->xes = __USER_DS; 34.444 - regs->xss = __USER_DS; 34.445 - regs->xcs = __USER_CS; 34.446 - regs->eflags &= ~TF_MASK; 34.447 - 34.448 -#if DEBUG_SIG 34.449 - printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n", 34.450 - current->comm, current->pid, frame, regs->eip, frame->pretcode); 34.451 -#endif 34.452 - 34.453 - return; 34.454 - 34.455 -give_sigsegv: 34.456 - if (sig == SIGSEGV) 34.457 - ka->sa.sa_handler = SIG_DFL; 34.458 - force_sig(SIGSEGV, current); 34.459 -} 34.460 - 34.461 -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 34.462 - sigset_t *set, struct pt_regs * regs) 34.463 -{ 34.464 - struct rt_sigframe *frame; 34.465 - int err = 0; 34.466 - 34.467 - frame = get_sigframe(ka, regs, sizeof(*frame)); 34.468 - 34.469 - if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) 34.470 - goto give_sigsegv; 34.471 - 34.472 - err |= __put_user((current->exec_domain 34.473 - && current->exec_domain->signal_invmap 34.474 - && sig < 32 34.475 - ? current->exec_domain->signal_invmap[sig] 34.476 - : sig), 34.477 - &frame->sig); 34.478 - err |= __put_user(&frame->info, &frame->pinfo); 34.479 - err |= __put_user(&frame->uc, &frame->puc); 34.480 - err |= copy_siginfo_to_user(&frame->info, info); 34.481 - if (err) 34.482 - goto give_sigsegv; 34.483 - 34.484 - /* Create the ucontext. */ 34.485 - err |= __put_user(0, &frame->uc.uc_flags); 34.486 - err |= __put_user(0, &frame->uc.uc_link); 34.487 - err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); 34.488 - err |= __put_user(sas_ss_flags(regs->esp), 34.489 - &frame->uc.uc_stack.ss_flags); 34.490 - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); 34.491 - err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate, 34.492 - regs, set->sig[0]); 34.493 - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); 34.494 - if (err) 34.495 - goto give_sigsegv; 34.496 - 34.497 - /* Set up to return from userspace. If provided, use a stub 34.498 - already in userspace. */ 34.499 - if (ka->sa.sa_flags & SA_RESTORER) { 34.500 - err |= __put_user(ka->sa.sa_restorer, &frame->pretcode); 34.501 - } else { 34.502 - err |= __put_user(frame->retcode, &frame->pretcode); 34.503 - /* This is movl $,%eax ; int $0x80 */ 34.504 - err |= __put_user(0xb8, (char *)(frame->retcode+0)); 34.505 - err |= __put_user(__NR_rt_sigreturn, (int *)(frame->retcode+1)); 34.506 - err |= __put_user(0x80cd, (short *)(frame->retcode+5)); 34.507 - } 34.508 - 34.509 - if (err) 34.510 - goto give_sigsegv; 34.511 - 34.512 - /* Set up registers for signal handler */ 34.513 - regs->esp = (unsigned long) frame; 34.514 - regs->eip = (unsigned long) ka->sa.sa_handler; 34.515 - 34.516 - set_fs(USER_DS); 34.517 - regs->xds = __USER_DS; 34.518 - regs->xes = __USER_DS; 34.519 - regs->xss = __USER_DS; 34.520 - regs->xcs = __USER_CS; 34.521 - regs->eflags &= ~TF_MASK; 34.522 - 34.523 -#if DEBUG_SIG 34.524 - printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n", 34.525 - current->comm, current->pid, frame, regs->eip, frame->pretcode); 34.526 -#endif 34.527 - 34.528 - return; 34.529 - 34.530 -give_sigsegv: 34.531 - if (sig == SIGSEGV) 34.532 - ka->sa.sa_handler = SIG_DFL; 34.533 - force_sig(SIGSEGV, current); 34.534 -} 34.535 - 34.536 -/* 34.537 - * OK, we're invoking a handler 34.538 - */ 34.539 - 34.540 -static void 34.541 -handle_signal(unsigned long sig, struct k_sigaction *ka, 34.542 - siginfo_t *info, sigset_t *oldset, struct pt_regs * regs) 34.543 -{ 34.544 - /* Are we from a system call? */ 34.545 - if (regs->orig_eax >= 0) { 34.546 - /* If so, check system call restarting.. */ 34.547 - switch (regs->eax) { 34.548 - case -ERESTARTNOHAND: 34.549 - regs->eax = -EINTR; 34.550 - break; 34.551 - 34.552 - case -ERESTARTSYS: 34.553 - if (!(ka->sa.sa_flags & SA_RESTART)) { 34.554 - regs->eax = -EINTR; 34.555 - break; 34.556 - } 34.557 - /* fallthrough */ 34.558 - case -ERESTARTNOINTR: 34.559 - regs->eax = regs->orig_eax; 34.560 - regs->eip -= 2; 34.561 - } 34.562 - } 34.563 - 34.564 - /* Set up the stack frame */ 34.565 - if (ka->sa.sa_flags & SA_SIGINFO) 34.566 - setup_rt_frame(sig, ka, info, oldset, regs); 34.567 - else 34.568 - setup_frame(sig, ka, oldset, regs); 34.569 - 34.570 - if (ka->sa.sa_flags & SA_ONESHOT) 34.571 - ka->sa.sa_handler = SIG_DFL; 34.572 - 34.573 - if (!(ka->sa.sa_flags & SA_NODEFER)) { 34.574 - spin_lock_irq(¤t->sigmask_lock); 34.575 - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); 34.576 - sigaddset(¤t->blocked,sig); 34.577 - recalc_sigpending(current); 34.578 - spin_unlock_irq(¤t->sigmask_lock); 34.579 - } 34.580 -} 34.581 - 34.582 -/* 34.583 - * Note that 'init' is a special process: it doesn't get signals it doesn't 34.584 - * want to handle. Thus you cannot kill init even with a SIGKILL even by 34.585 - * mistake. 34.586 - */ 34.587 -int fastcall do_signal(struct pt_regs *regs, sigset_t *oldset) 34.588 -{ 34.589 - siginfo_t info; 34.590 - struct k_sigaction *ka; 34.591 - 34.592 - /* 34.593 - * We want the common case to go fast, which 34.594 - * is why we may in certain cases get here from 34.595 - * kernel mode. Just return without doing anything 34.596 - * if so. 34.597 - */ 34.598 - if ((regs->xcs & 2) != 2) 34.599 - return 1; 34.600 - 34.601 - if (!oldset) 34.602 - oldset = ¤t->blocked; 34.603 - 34.604 - for (;;) { 34.605 - unsigned long signr; 34.606 - 34.607 - spin_lock_irq(¤t->sigmask_lock); 34.608 - signr = dequeue_signal(¤t->blocked, &info); 34.609 - spin_unlock_irq(¤t->sigmask_lock); 34.610 - 34.611 - if (!signr) 34.612 - break; 34.613 - 34.614 - if ((current->ptrace & PT_PTRACED) && signr != SIGKILL) { 34.615 - /* Let the debugger run. */ 34.616 - current->exit_code = signr; 34.617 - current->state = TASK_STOPPED; 34.618 - notify_parent(current, SIGCHLD); 34.619 - schedule(); 34.620 - 34.621 - /* We're back. Did the debugger cancel the sig? */ 34.622 - if (!(signr = current->exit_code)) 34.623 - continue; 34.624 - current->exit_code = 0; 34.625 - 34.626 - /* The debugger continued. Ignore SIGSTOP. */ 34.627 - if (signr == SIGSTOP) 34.628 - continue; 34.629 - 34.630 - /* Update the siginfo structure. Is this good? */ 34.631 - if (signr != info.si_signo) { 34.632 - info.si_signo = signr; 34.633 - info.si_errno = 0; 34.634 - info.si_code = SI_USER; 34.635 - info.si_pid = current->p_pptr->pid; 34.636 - info.si_uid = current->p_pptr->uid; 34.637 - } 34.638 - 34.639 - /* If the (new) signal is now blocked, requeue it. */ 34.640 - if (sigismember(¤t->blocked, signr)) { 34.641 - send_sig_info(signr, &info, current); 34.642 - continue; 34.643 - } 34.644 - } 34.645 - 34.646 - ka = ¤t->sig->action[signr-1]; 34.647 - if (ka->sa.sa_handler == SIG_IGN) { 34.648 - if (signr != SIGCHLD) 34.649 - continue; 34.650 - /* Check for SIGCHLD: it's special. */ 34.651 - while (sys_wait4(-1, NULL, WNOHANG, NULL) > 0) 34.652 - /* nothing */; 34.653 - continue; 34.654 - } 34.655 - 34.656 - if (ka->sa.sa_handler == SIG_DFL) { 34.657 - int exit_code = signr; 34.658 - 34.659 - /* Init gets no signals it doesn't want. */ 34.660 - if (current->pid == 1) 34.661 - continue; 34.662 - 34.663 - switch (signr) { 34.664 - case SIGCONT: case SIGCHLD: case SIGWINCH: case SIGURG: 34.665 - continue; 34.666 - 34.667 - case SIGTSTP: case SIGTTIN: case SIGTTOU: 34.668 - if (is_orphaned_pgrp(current->pgrp)) 34.669 - continue; 34.670 - /* FALLTHRU */ 34.671 - 34.672 - case SIGSTOP: { 34.673 - struct signal_struct *sig; 34.674 - current->state = TASK_STOPPED; 34.675 - current->exit_code = signr; 34.676 - sig = current->p_pptr->sig; 34.677 - if (sig && !(sig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDSTOP)) 34.678 - notify_parent(current, SIGCHLD); 34.679 - schedule(); 34.680 - continue; 34.681 - } 34.682 - 34.683 - case SIGQUIT: case SIGILL: case SIGTRAP: 34.684 - case SIGABRT: case SIGFPE: case SIGSEGV: 34.685 - case SIGBUS: case SIGSYS: case SIGXCPU: case SIGXFSZ: 34.686 - if (do_coredump(signr, regs)) 34.687 - exit_code |= 0x80; 34.688 - /* FALLTHRU */ 34.689 - 34.690 - default: 34.691 - sig_exit(signr, exit_code, &info); 34.692 - /* NOTREACHED */ 34.693 - } 34.694 - } 34.695 - 34.696 - /* Reenable any watchpoints before delivering the 34.697 - * signal to user space. The processor register will 34.698 - * have been cleared if the watchpoint triggered 34.699 - * inside the kernel. 34.700 - */ 34.701 - if ( current->thread.debugreg[7] != 0 ) 34.702 - HYPERVISOR_set_debugreg(7, current->thread.debugreg[7]); 34.703 - 34.704 - /* Whee! Actually deliver the signal. */ 34.705 - handle_signal(signr, ka, &info, oldset, regs); 34.706 - return 1; 34.707 - } 34.708 - 34.709 - /* Did we come from a system call? */ 34.710 - if (regs->orig_eax >= 0) { 34.711 - /* Restart the system call - no handlers present */ 34.712 - if (regs->eax == -ERESTARTNOHAND || 34.713 - regs->eax == -ERESTARTSYS || 34.714 - regs->eax == -ERESTARTNOINTR) { 34.715 - regs->eax = regs->orig_eax; 34.716 - regs->eip -= 2; 34.717 - } 34.718 - } 34.719 - return 0; 34.720 -}
35.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/time.c Fri Oct 07 23:22:35 2005 +0100 35.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 35.3 @@ -1,741 +0,0 @@ 35.4 -/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*- 35.5 - **************************************************************************** 35.6 - * (C) 2002-2003 - Rolf Neugebauer - Intel Research Cambridge 35.7 - * (C) 2002-2003 - Keir Fraser - University of Cambridge 35.8 - **************************************************************************** 35.9 - * 35.10 - * File: arch/xen/kernel/time.c 35.11 - * Author: Rolf Neugebauer and Keir Fraser 35.12 - * 35.13 - * Description: Interface with Xen to get correct notion of time 35.14 - */ 35.15 - 35.16 -/* 35.17 - * linux/arch/i386/kernel/time.c 35.18 - * 35.19 - * Copyright (C) 1991, 1992, 1995 Linus Torvalds 35.20 - * 35.21 - * This file contains the PC-specific time handling details: 35.22 - * reading the RTC at bootup, etc.. 35.23 - * 1994-07-02 Alan Modra 35.24 - * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime 35.25 - * 1995-03-26 Markus Kuhn 35.26 - * fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887 35.27 - * precision CMOS clock update 35.28 - * 1996-05-03 Ingo Molnar 35.29 - * fixed time warps in do_[slow|fast]_gettimeoffset() 35.30 - * 1997-09-10 Updated NTP code according to technical memorandum Jan '96 35.31 - * "A Kernel Model for Precision Timekeeping" by Dave Mills 35.32 - * 1998-09-05 (Various) 35.33 - * More robust do_fast_gettimeoffset() algorithm implemented 35.34 - * (works with APM, Cyrix 6x86MX and Centaur C6), 35.35 - * monotonic gettimeofday() with fast_get_timeoffset(), 35.36 - * drift-proof precision TSC calibration on boot 35.37 - * (C. Scott Ananian <cananian@alumni.princeton.edu>, Andrew D. 35.38 - * Balsa <andrebalsa@altern.org>, Philip Gladstone <philip@raptor.com>; 35.39 - * ported from 2.0.35 Jumbo-9 by Michael Krause <m.krause@tu-harburg.de>). 35.40 - * 1998-12-16 Andrea Arcangeli 35.41 - * Fixed Jumbo-9 code in 2.1.131: do_gettimeofday was missing 1 jiffy 35.42 - * because was not accounting lost_ticks. 35.43 - * 1998-12-24 Copyright (C) 1998 Andrea Arcangeli 35.44 - * Fixed a xtime SMP race (we need the xtime_lock rw spinlock to 35.45 - * serialize accesses to xtime/lost_ticks). 35.46 - */ 35.47 - 35.48 -#include <asm/smp.h> 35.49 -#include <asm/irq.h> 35.50 -#include <asm/msr.h> 35.51 -#include <asm/delay.h> 35.52 -#include <asm/mpspec.h> 35.53 -#include <asm/uaccess.h> 35.54 -#include <asm/processor.h> 35.55 - 35.56 -#include <asm/div64.h> 35.57 -#include <asm/hypervisor.h> 35.58 -#include <asm-xen/xen-public/dom0_ops.h> 35.59 - 35.60 -#include <linux/mc146818rtc.h> 35.61 -#include <linux/kernel.h> 35.62 -#include <linux/interrupt.h> 35.63 -#include <linux/time.h> 35.64 -#include <linux/init.h> 35.65 -#include <linux/smp.h> 35.66 -#include <linux/irq.h> 35.67 -#include <linux/sysctl.h> 35.68 -#include <linux/sysrq.h> 35.69 - 35.70 -spinlock_t rtc_lock = SPIN_LOCK_UNLOCKED; 35.71 -extern rwlock_t xtime_lock; 35.72 -extern unsigned long wall_jiffies; 35.73 - 35.74 -unsigned long cpu_khz; /* get this from Xen, used elsewhere */ 35.75 - 35.76 -static unsigned int rdtsc_bitshift; 35.77 -static u32 st_scale_f; /* convert ticks -> usecs */ 35.78 -static u32 st_scale_i; /* convert ticks -> usecs */ 35.79 - 35.80 -/* These are peridically updated in shared_info, and then copied here. */ 35.81 -static u32 shadow_tsc_stamp; 35.82 -static u64 shadow_system_time; 35.83 -static u32 shadow_time_version; 35.84 -static struct timeval shadow_tv; 35.85 - 35.86 -/* 35.87 - * We use this to ensure that gettimeofday() is monotonically increasing. We 35.88 - * only break this guarantee if the wall clock jumps backwards "a long way". 35.89 - */ 35.90 -static struct timeval last_seen_tv = {0,0}; 35.91 - 35.92 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST 35.93 -/* Periodically propagate synchronised time base to the RTC and to Xen. */ 35.94 -static long last_update_to_rtc, last_update_to_xen; 35.95 -#endif 35.96 - 35.97 -/* Periodically take synchronised time base from Xen, if we need it. */ 35.98 -static long last_update_from_xen; /* UTC seconds when last read Xen clock. */ 35.99 - 35.100 -/* Keep track of last time we did processing/updating of jiffies and xtime. */ 35.101 -static u64 processed_system_time; /* System time (ns) at last processing. */ 35.102 - 35.103 -#define NS_PER_TICK (1000000000ULL/HZ) 35.104 - 35.105 -#ifndef NSEC_PER_SEC 35.106 -#define NSEC_PER_SEC (1000000000L) 35.107 -#endif 35.108 - 35.109 -#define HANDLE_USEC_UNDERFLOW(_tv) \ 35.110 - do { \ 35.111 - while ( (_tv).tv_usec < 0 ) \ 35.112 - { \ 35.113 - (_tv).tv_usec += 1000000; \ 35.114 - (_tv).tv_sec--; \ 35.115 - } \ 35.116 - } while ( 0 ) 35.117 -#define HANDLE_USEC_OVERFLOW(_tv) \ 35.118 - do { \ 35.119 - while ( (_tv).tv_usec >= 1000000 ) \ 35.120 - { \ 35.121 - (_tv).tv_usec -= 1000000; \ 35.122 - (_tv).tv_sec++; \ 35.123 - } \ 35.124 - } while ( 0 ) 35.125 -static inline void __normalize_time(time_t *sec, s64 *nsec) 35.126 -{ 35.127 - while (*nsec >= NSEC_PER_SEC) { 35.128 - (*nsec) -= NSEC_PER_SEC; 35.129 - (*sec)++; 35.130 - } 35.131 - while (*nsec < 0) { 35.132 - (*nsec) += NSEC_PER_SEC; 35.133 - (*sec)--; 35.134 - } 35.135 -} 35.136 - 35.137 -/* Dynamically-mapped IRQs. */ 35.138 -static int time_irq, debug_irq; 35.139 - 35.140 -/* Does this guest OS track Xen time, or set its wall clock independently? */ 35.141 -static int independent_wallclock = 0; 35.142 -static int __init __independent_wallclock(char *str) 35.143 -{ 35.144 - independent_wallclock = 1; 35.145 - return 1; 35.146 -} 35.147 -__setup("independent_wallclock", __independent_wallclock); 35.148 -#define INDEPENDENT_WALLCLOCK() \ 35.149 - (independent_wallclock || (xen_start_info.flags & SIF_INITDOMAIN)) 35.150 - 35.151 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST 35.152 -/* 35.153 - * In order to set the CMOS clock precisely, set_rtc_mmss has to be 35.154 - * called 500 ms after the second nowtime has started, because when 35.155 - * nowtime is written into the registers of the CMOS clock, it will 35.156 - * jump to the next second precisely 500 ms later. Check the Motorola 35.157 - * MC146818A or Dallas DS12887 data sheet for details. 35.158 - * 35.159 - * BUG: This routine does not handle hour overflow properly; it just 35.160 - * sets the minutes. Usually you'll only notice that after reboot! 35.161 - */ 35.162 -static int set_rtc_mmss(unsigned long nowtime) 35.163 -{ 35.164 - int retval = 0; 35.165 - int real_seconds, real_minutes, cmos_minutes; 35.166 - unsigned char save_control, save_freq_select; 35.167 - 35.168 - /* gets recalled with irq locally disabled */ 35.169 - spin_lock(&rtc_lock); 35.170 - save_control = CMOS_READ(RTC_CONTROL); 35.171 - CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); 35.172 - 35.173 - save_freq_select = CMOS_READ(RTC_FREQ_SELECT); 35.174 - CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); 35.175 - 35.176 - cmos_minutes = CMOS_READ(RTC_MINUTES); 35.177 - if ( !(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD ) 35.178 - BCD_TO_BIN(cmos_minutes); 35.179 - 35.180 - /* 35.181 - * since we're only adjusting minutes and seconds, don't interfere with 35.182 - * hour overflow. This avoids messing with unknown time zones but requires 35.183 - * your RTC not to be off by more than 15 minutes 35.184 - */ 35.185 - real_seconds = nowtime % 60; 35.186 - real_minutes = nowtime / 60; 35.187 - if ( ((abs(real_minutes - cmos_minutes) + 15)/30) & 1 ) 35.188 - real_minutes += 30; /* correct for half hour time zone */ 35.189 - real_minutes %= 60; 35.190 - 35.191 - if ( abs(real_minutes - cmos_minutes) < 30 ) 35.192 - { 35.193 - if ( !(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD ) 35.194 - { 35.195 - BIN_TO_BCD(real_seconds); 35.196 - BIN_TO_BCD(real_minutes); 35.197 - } 35.198 - CMOS_WRITE(real_seconds,RTC_SECONDS); 35.199 - CMOS_WRITE(real_minutes,RTC_MINUTES); 35.200 - } 35.201 - else 35.202 - { 35.203 - printk(KERN_WARNING 35.204 - "set_rtc_mmss: can't update from %d to %d\n", 35.205 - cmos_minutes, real_minutes); 35.206 - retval = -1; 35.207 - } 35.208 - 35.209 - /* The following flags have to be released exactly in this order, 35.210 - * otherwise the DS12887 (popular MC146818A clone with integrated 35.211 - * battery and quartz) will not reset the oscillator and will not 35.212 - * update precisely 500 ms later. You won't find this mentioned in 35.213 - * the Dallas Semiconductor data sheets, but who believes data 35.214 - * sheets anyway ... -- Markus Kuhn 35.215 - */ 35.216 - CMOS_WRITE(save_control, RTC_CONTROL); 35.217 - CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); 35.218 - spin_unlock(&rtc_lock); 35.219 - 35.220 - return retval; 35.221 -} 35.222 -#endif 35.223 - 35.224 - 35.225 -/* 35.226 - * Reads a consistent set of time-base values from Xen, into a shadow data 35.227 - * area. Must be called with the xtime_lock held for writing. 35.228 - */ 35.229 -static void __get_time_values_from_xen(void) 35.230 -{ 35.231 - shared_info_t *s = HYPERVISOR_shared_info; 35.232 - struct vcpu_time_info *src; 35.233 - struct shadow_time_info *dst; 35.234 - 35.235 - src = &s->vcpu_time[smp_processor_id()]; 35.236 - dst = &per_cpu(shadow_time, smp_processor_id()); 35.237 - 35.238 - do { 35.239 - dst->version = src->time_version2; 35.240 - rmb(); 35.241 - dst->tsc_timestamp = src->tsc_timestamp; 35.242 - dst->system_timestamp = src->system_time; 35.243 - dst->tsc_to_nsec_mul = src->tsc_to_system_mul; 35.244 - dst->tsc_shift = src->tsc_shift; 35.245 - rmb(); 35.246 - } 35.247 - while (dst->version != src->time_version1); 35.248 - 35.249 - dst->tsc_to_usec_mul = dst->tsc_to_nsec_mul / 1000; 35.250 - 35.251 - if ((shadow_tv.tv_sec != s->wc_sec) || 35.252 - (shadow_tv.tv_usec != s->wc_usec)) 35.253 - update_wallclock(); 35.254 -} 35.255 - 35.256 - 35.257 -/* 35.258 - * Returns the system time elapsed, in ns, since the current shadow_timestamp 35.259 - * was calculated. Must be called with the xtime_lock held for reading. 35.260 - */ 35.261 -static inline unsigned long __get_time_delta_usecs(void) 35.262 -{ 35.263 - s32 delta_tsc; 35.264 - u32 low; 35.265 - u64 delta, tsc; 35.266 - 35.267 - rdtscll(tsc); 35.268 - low = (u32)(tsc >> rdtsc_bitshift); 35.269 - delta_tsc = (s32)(low - shadow_tsc_stamp); 35.270 - if ( unlikely(delta_tsc < 0) ) delta_tsc = 0; 35.271 - delta = ((u64)delta_tsc * st_scale_f); 35.272 - delta >>= 32; 35.273 - delta += ((u64)delta_tsc * st_scale_i); 35.274 - 35.275 - return (unsigned long)delta; 35.276 -} 35.277 - 35.278 -static inline int time_values_up_to_date() 35.279 -{ 35.280 - struct vcpu_time_info *src; 35.281 - struct shadow_time_info *dst; 35.282 - 35.283 - src = &HYPERVISOR_shared_info->vcpu_time[smp_processor_id()]; 35.284 - dst = &per_cpu(shadow_time, smp_processor_id()); 35.285 - 35.286 - return (dst->version == src->time_version2); 35.287 -} 35.288 - 35.289 - 35.290 -/* 35.291 - * Returns the current time-of-day in UTC timeval format. 35.292 - */ 35.293 -void do_gettimeofday(struct timeval *tv) 35.294 -{ 35.295 - unsigned long flags, lost; 35.296 - struct timeval _tv; 35.297 - s64 nsec; 35.298 - 35.299 - again: 35.300 - read_lock_irqsave(&xtime_lock, flags); 35.301 - 35.302 - _tv.tv_usec = __get_time_delta_usecs(); 35.303 - if ( (lost = (jiffies - wall_jiffies)) != 0 ) 35.304 - _tv.tv_usec += lost * (1000000 / HZ); 35.305 - _tv.tv_sec = xtime.tv_sec; 35.306 - _tv.tv_usec += xtime.tv_usec; 35.307 - 35.308 - nsec = shadow_system_time - processed_system_time; 35.309 - __normalize_time(&_tv.tv_sec, &nsec); 35.310 - _tv.tv_usec += (long)nsec / 1000L; 35.311 - 35.312 - if ( unlikely(!time_values_up_to_date()) ) 35.313 - { 35.314 - /* 35.315 - * We may have blocked for a long time, rendering our calculations 35.316 - * invalid (e.g. the time delta may have overflowed). Detect that 35.317 - * and recalculate with fresh values. 35.318 - */ 35.319 - read_unlock_irqrestore(&xtime_lock, flags); 35.320 - write_lock_irqsave(&xtime_lock, flags); 35.321 - __get_time_values_from_xen(); 35.322 - write_unlock_irqrestore(&xtime_lock, flags); 35.323 - goto again; 35.324 - } 35.325 - 35.326 - HANDLE_USEC_OVERFLOW(_tv); 35.327 - 35.328 - /* Ensure that time-of-day is monotonically increasing. */ 35.329 - if ( (_tv.tv_sec < last_seen_tv.tv_sec) || 35.330 - ((_tv.tv_sec == last_seen_tv.tv_sec) && 35.331 - (_tv.tv_usec < last_seen_tv.tv_usec)) ) 35.332 - _tv = last_seen_tv; 35.333 - last_seen_tv = _tv; 35.334 - 35.335 - read_unlock_irqrestore(&xtime_lock, flags); 35.336 - 35.337 - *tv = _tv; 35.338 -} 35.339 - 35.340 - 35.341 -/* 35.342 - * Sets the current time-of-day based on passed-in UTC timeval parameter. 35.343 - */ 35.344 -void do_settimeofday(struct timeval *tv) 35.345 -{ 35.346 - struct timeval newtv; 35.347 - s64 nsec; 35.348 - suseconds_t usec; 35.349 - 35.350 - if ( !INDEPENDENT_WALLCLOCK() ) 35.351 - return; 35.352 - 35.353 - write_lock_irq(&xtime_lock); 35.354 - 35.355 - /* 35.356 - * Ensure we don't get blocked for a long time so that our time delta 35.357 - * overflows. If that were to happen then our shadow time values would 35.358 - * be stale, so we can retry with fresh ones. 35.359 - */ 35.360 - again: 35.361 - usec = tv->tv_usec - __get_time_delta_usecs(); 35.362 - 35.363 - nsec = shadow_system_time - processed_system_time; 35.364 - __normalize_time(&tv->tv_sec, &nsec); 35.365 - usec -= (long)nsec / 1000L; 35.366 - 35.367 - if ( unlikely(!TIME_VALUES_UP_TO_DATE) ) 35.368 - { 35.369 - __get_time_values_from_xen(); 35.370 - goto again; 35.371 - } 35.372 - tv->tv_usec = usec; 35.373 - 35.374 - HANDLE_USEC_UNDERFLOW(*tv); 35.375 - 35.376 - newtv = *tv; 35.377 - 35.378 - tv->tv_usec -= (jiffies - wall_jiffies) * (1000000 / HZ); 35.379 - HANDLE_USEC_UNDERFLOW(*tv); 35.380 - 35.381 - xtime = *tv; 35.382 - time_adjust = 0; /* stop active adjtime() */ 35.383 - time_status |= STA_UNSYNC; 35.384 - time_maxerror = NTP_PHASE_LIMIT; 35.385 - time_esterror = NTP_PHASE_LIMIT; 35.386 - 35.387 - /* Reset all our running time counts. They make no sense now. */ 35.388 - last_seen_tv.tv_sec = 0; 35.389 - last_update_from_xen = 0; 35.390 - 35.391 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST 35.392 - if ( xen_start_info.flags & SIF_INITDOMAIN ) 35.393 - { 35.394 - dom0_op_t op; 35.395 - last_update_to_rtc = last_update_to_xen = 0; 35.396 - op.cmd = DOM0_SETTIME; 35.397 - op.u.settime.secs = newtv.tv_sec; 35.398 - op.u.settime.usecs = newtv.tv_usec; 35.399 - op.u.settime.system_time = shadow_system_time; 35.400 - write_unlock_irq(&xtime_lock); 35.401 - HYPERVISOR_dom0_op(&op); 35.402 - } 35.403 - else 35.404 -#endif 35.405 - { 35.406 - write_unlock_irq(&xtime_lock); 35.407 - } 35.408 -} 35.409 - 35.410 - 35.411 -asmlinkage long sys_stime(int *tptr) 35.412 -{ 35.413 - int value; 35.414 - struct timeval tv; 35.415 - 35.416 - if ( !capable(CAP_SYS_TIME) ) 35.417 - return -EPERM; 35.418 - 35.419 - if ( get_user(value, tptr) ) 35.420 - return -EFAULT; 35.421 - 35.422 - tv.tv_sec = value; 35.423 - tv.tv_usec = 0; 35.424 - 35.425 - do_settimeofday(&tv); 35.426 - 35.427 - return 0; 35.428 -} 35.429 - 35.430 - 35.431 -/* Convert jiffies to system time. Call with xtime_lock held for reading. */ 35.432 -static inline u64 __jiffies_to_st(unsigned long j) 35.433 -{ 35.434 - return processed_system_time + ((j - jiffies) * NS_PER_TICK); 35.435 -} 35.436 - 35.437 - 35.438 -static inline void do_timer_interrupt(int irq, void *dev_id, 35.439 - struct pt_regs *regs) 35.440 -{ 35.441 - s64 delta; 35.442 - unsigned long ticks = 0; 35.443 - long sec_diff; 35.444 - 35.445 - do { 35.446 - __get_time_values_from_xen(); 35.447 - 35.448 - delta = (s64)(shadow_system_time + 35.449 - ((s64)__get_time_delta_usecs() * 1000LL) - 35.450 - processed_system_time); 35.451 - } 35.452 - while ( !TIME_VALUES_UP_TO_DATE ); 35.453 - 35.454 - if ( unlikely(delta < 0) ) 35.455 - { 35.456 - printk("Timer ISR: Time went backwards: %lld\n", delta); 35.457 - return; 35.458 - } 35.459 - 35.460 - /* Process elapsed jiffies since last call. */ 35.461 - while ( delta >= NS_PER_TICK ) 35.462 - { 35.463 - ticks++; 35.464 - delta -= NS_PER_TICK; 35.465 - processed_system_time += NS_PER_TICK; 35.466 - } 35.467 - 35.468 - if ( ticks != 0 ) 35.469 - { 35.470 - do_timer_ticks(ticks); 35.471 - 35.472 - if ( user_mode(regs) ) 35.473 - update_process_times_us(ticks, 0); 35.474 - else 35.475 - update_process_times_us(0, ticks); 35.476 - } 35.477 - 35.478 - /* 35.479 - * Take synchronised time from Xen once a minute if we're not 35.480 - * synchronised ourselves, and we haven't chosen to keep an independent 35.481 - * time base. 35.482 - */ 35.483 - if ( !INDEPENDENT_WALLCLOCK() && 35.484 - ((time_status & STA_UNSYNC) != 0) && 35.485 - (xtime.tv_sec > (last_update_from_xen + 60)) ) 35.486 - { 35.487 - /* Adjust shadow timeval for jiffies that haven't updated xtime yet. */ 35.488 - shadow_tv.tv_usec -= (jiffies - wall_jiffies) * (1000000/HZ); 35.489 - HANDLE_USEC_UNDERFLOW(shadow_tv); 35.490 - 35.491 - /* 35.492 - * Reset our running time counts if they are invalidated by a warp 35.493 - * backwards of more than 500ms. 35.494 - */ 35.495 - sec_diff = xtime.tv_sec - shadow_tv.tv_sec; 35.496 - if ( unlikely(abs(sec_diff) > 1) || 35.497 - unlikely(((sec_diff * 1000000) + 35.498 - xtime.tv_usec - shadow_tv.tv_usec) > 500000) ) 35.499 - { 35.500 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST 35.501 - last_update_to_rtc = last_update_to_xen = 0; 35.502 -#endif 35.503 - last_seen_tv.tv_sec = 0; 35.504 - } 35.505 - 35.506 - /* Update our unsynchronised xtime appropriately. */ 35.507 - xtime = shadow_tv; 35.508 - 35.509 - last_update_from_xen = xtime.tv_sec; 35.510 - } 35.511 - 35.512 -#ifdef CONFIG_XEN_PRIVILEGED_GUEST 35.513 - if ( (xen_start_info.flags & SIF_INITDOMAIN) && 35.514 - ((time_status & STA_UNSYNC) == 0) ) 35.515 - { 35.516 - /* Send synchronised time to Xen approximately every minute. */ 35.517 - if ( xtime.tv_sec > (last_update_to_xen + 60) ) 35.518 - { 35.519 - dom0_op_t op; 35.520 - struct timeval tv = xtime; 35.521 - 35.522 - tv.tv_usec += (jiffies - wall_jiffies) * (1000000/HZ); 35.523 - HANDLE_USEC_OVERFLOW(tv); 35.524 - 35.525 - op.cmd = DOM0_SETTIME; 35.526 - op.u.settime.secs = tv.tv_sec; 35.527 - op.u.settime.usecs = tv.tv_usec; 35.528 - op.u.settime.system_time = shadow_system_time; 35.529 - HYPERVISOR_dom0_op(&op); 35.530 - 35.531 - last_update_to_xen = xtime.tv_sec; 35.532 - } 35.533 - 35.534 - /* 35.535 - * If we have an externally synchronized Linux clock, then update CMOS 35.536 - * clock accordingly every ~11 minutes. Set_rtc_mmss() has to be called 35.537 - * as close as possible to 500 ms before the new second starts. 35.538 - */ 35.539 - if ( (xtime.tv_sec > (last_update_to_rtc + 660)) && 35.540 - (xtime.tv_usec >= (500000 - ((unsigned) tick) / 2)) && 35.541 - (xtime.tv_usec <= (500000 + ((unsigned) tick) / 2)) ) 35.542 - { 35.543 - if ( set_rtc_mmss(xtime.tv_sec) == 0 ) 35.544 - last_update_to_rtc = xtime.tv_sec; 35.545 - else 35.546 - last_update_to_rtc = xtime.tv_sec - 600; 35.547 - } 35.548 - } 35.549 -#endif 35.550 -} 35.551 - 35.552 - 35.553 -static void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) 35.554 -{ 35.555 - write_lock(&xtime_lock); 35.556 - do_timer_interrupt(irq, NULL, regs); 35.557 - write_unlock(&xtime_lock); 35.558 -} 35.559 - 35.560 -static struct irqaction irq_timer = { 35.561 - timer_interrupt, 35.562 - SA_INTERRUPT, 35.563 - 0, 35.564 - "timer", 35.565 - NULL, 35.566 - NULL 35.567 -}; 35.568 - 35.569 - 35.570 -/* 35.571 - * This function works out when the the next timer function has to be 35.572 - * executed (by looking at the timer list) and sets the Xen one-shot 35.573 - * domain timer to the appropriate value. This is typically called in 35.574 - * cpu_idle() before the domain blocks. 35.575 - * 35.576 - * The function returns a non-0 value on error conditions. 35.577 - * 35.578 - * It must be called with interrupts disabled. 35.579 - */ 35.580 -extern spinlock_t timerlist_lock; 35.581 -int set_timeout_timer(void) 35.582 -{ 35.583 - struct timer_list *timer; 35.584 - u64 alarm = 0; 35.585 - int ret = 0; 35.586 - 35.587 - spin_lock(&timerlist_lock); 35.588 - 35.589 - /* 35.590 - * This is safe against long blocking (since calculations are not based on 35.591 - * TSC deltas). It is also safe against warped system time since 35.592 - * suspend-resume is cooperative and we would first get locked out. It is 35.593 - * safe against normal updates of jiffies since interrupts are off. 35.594 - */ 35.595 - if ( (timer = next_timer_event()) != NULL ) 35.596 - alarm = __jiffies_to_st(timer->expires); 35.597 - 35.598 - /* Tasks on the timer task queue expect to be executed on the next tick. */ 35.599 - if ( TQ_ACTIVE(tq_timer) ) 35.600 - alarm = __jiffies_to_st(jiffies + 1); 35.601 - 35.602 - /* Failure is pretty bad, but we'd best soldier on. */ 35.603 - if ( HYPERVISOR_set_timer_op(alarm) != 0 ) 35.604 - ret = -1; 35.605 - 35.606 - spin_unlock(&timerlist_lock); 35.607 - 35.608 - return ret; 35.609 -} 35.610 - 35.611 - 35.612 -/* Time debugging. */ 35.613 -static void dbg_time_int(int irq, void *dev_id, struct pt_regs *ptregs) 35.614 -{ 35.615 - unsigned long flags, j; 35.616 - u64 s_now, j_st; 35.617 - struct timeval s_tv, tv; 35.618 - 35.619 - struct timer_list *timer; 35.620 - u64 t_st; 35.621 - 35.622 - read_lock_irqsave(&xtime_lock, flags); 35.623 - s_tv.tv_sec = shadow_tv.tv_sec; 35.624 - s_tv.tv_usec = shadow_tv.tv_usec; 35.625 - s_now = shadow_system_time; 35.626 - read_unlock_irqrestore(&xtime_lock, flags); 35.627 - 35.628 - do_gettimeofday(&tv); 35.629 - 35.630 - j = jiffies; 35.631 - j_st = __jiffies_to_st(j); 35.632 - 35.633 - timer = next_timer_event(); 35.634 - t_st = __jiffies_to_st(timer->expires); 35.635 - 35.636 - printk(KERN_ALERT "time: shadow_st=0x%X:%08X\n", 35.637 - (u32)(s_now>>32), (u32)s_now); 35.638 - printk(KERN_ALERT "time: wct=%lds %ldus shadow_wct=%lds %ldus\n", 35.639 - tv.tv_sec, tv.tv_usec, s_tv.tv_sec, s_tv.tv_usec); 35.640 - printk(KERN_ALERT "time: jiffies=%lu(0x%X:%08X) timeout=%lu(0x%X:%08X)\n", 35.641 - jiffies,(u32)(j_st>>32), (u32)j_st, 35.642 - timer->expires,(u32)(t_st>>32), (u32)t_st); 35.643 - printk(KERN_ALERT "time: processed_system_time=0x%X:%08X\n", 35.644 - (u32)(processed_system_time>>32), (u32)processed_system_time); 35.645 - 35.646 -#ifdef CONFIG_MAGIC_SYSRQ 35.647 - handle_sysrq('t',NULL,NULL,NULL); 35.648 -#endif 35.649 -} 35.650 - 35.651 -static struct irqaction dbg_time = { 35.652 - dbg_time_int, 35.653 - SA_SHIRQ, 35.654 - 0, 35.655 - "timer_dbg", 35.656 - &dbg_time_int, 35.657 - NULL 35.658 -}; 35.659 - 35.660 -void __init time_init(void) 35.661 -{ 35.662 - unsigned long long alarm; 35.663 - u64 __cpu_khz, __cpu_ghz, cpu_freq, scale, scale2; 35.664 - unsigned int cpu_ghz; 35.665 - 35.666 - __cpu_khz = __cpu_ghz = cpu_freq = HYPERVISOR_shared_info->cpu_freq; 35.667 - do_div(__cpu_khz, 1000UL); 35.668 - cpu_khz = (u32)__cpu_khz; 35.669 - do_div(__cpu_ghz, 1000000000UL); 35.670 - cpu_ghz = (unsigned int)__cpu_ghz; 35.671 - 35.672 - printk("Xen reported: %lu.%03lu MHz processor.\n", 35.673 - cpu_khz / 1000, cpu_khz % 1000); 35.674 - 35.675 - xtime.tv_sec = HYPERVISOR_shared_info->wc_sec; 35.676 - xtime.tv_usec = HYPERVISOR_shared_info->wc_usec; 35.677 - processed_system_time = shadow_system_time; 35.678 - 35.679 - for ( rdtsc_bitshift = 0; cpu_ghz != 0; rdtsc_bitshift++, cpu_ghz >>= 1 ) 35.680 - continue; 35.681 - 35.682 - scale = 1000000LL << (32 + rdtsc_bitshift); 35.683 - do_div(scale, (u32)cpu_freq); 35.684 - 35.685 - if ( (cpu_freq >> 32) != 0 ) 35.686 - { 35.687 - scale2 = 1000000LL << rdtsc_bitshift; 35.688 - do_div(scale2, (u32)(cpu_freq>>32)); 35.689 - scale += scale2; 35.690 - } 35.691 - 35.692 - st_scale_f = scale & 0xffffffff; 35.693 - st_scale_i = scale >> 32; 35.694 - 35.695 - __get_time_values_from_xen(); 35.696 - processed_system_time = shadow_system_time; 35.697 - 35.698 - time_irq = bind_virq_to_irq(VIRQ_TIMER); 35.699 - debug_irq = bind_virq_to_irq(VIRQ_DEBUG); 35.700 - 35.701 - (void)setup_irq(time_irq, &irq_timer); 35.702 - (void)setup_irq(debug_irq, &dbg_time); 35.703 - 35.704 - rdtscll(alarm); 35.705 -} 35.706 - 35.707 -void time_suspend(void) 35.708 -{ 35.709 -} 35.710 - 35.711 -void time_resume(void) 35.712 -{ 35.713 - unsigned long flags; 35.714 - write_lock_irqsave(&xtime_lock, flags); 35.715 - /* Get timebases for new environment. */ 35.716 - __get_time_values_from_xen(); 35.717 - /* Reset our own concept of passage of system time. */ 35.718 - processed_system_time = shadow_system_time; 35.719 - /* Accept a warp in UTC (wall-clock) time. */ 35.720 - last_seen_tv.tv_sec = 0; 35.721 - /* Make sure we resync UTC time with Xen on next timer interrupt. */ 35.722 - last_update_from_xen = 0; 35.723 - write_unlock_irqrestore(&xtime_lock, flags); 35.724 -} 35.725 - 35.726 -/* 35.727 - * /proc/sys/xen: This really belongs in another file. It can stay here for 35.728 - * now however. 35.729 - */ 35.730 -static ctl_table xen_subtable[] = { 35.731 - {1, "independent_wallclock", &independent_wallclock, 35.732 - sizeof(independent_wallclock), 0644, NULL, proc_dointvec}, 35.733 - {0} 35.734 -}; 35.735 -static ctl_table xen_table[] = { 35.736 - {123, "xen", NULL, 0, 0555, xen_subtable}, 35.737 - {0} 35.738 -}; 35.739 -static int __init xen_sysctl_init(void) 35.740 -{ 35.741 - (void)register_sysctl_table(xen_table, 0); 35.742 - return 0; 35.743 -} 35.744 -__initcall(xen_sysctl_init);
36.1 --- a/linux-2.4-xen-sparse/arch/xen/kernel/traps.c Fri Oct 07 23:22:35 2005 +0100 36.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 36.3 @@ -1,619 +0,0 @@ 36.4 -/* 36.5 - * linux/arch/i386/traps.c 36.6 - * 36.7 - * Copyright (C) 1991, 1992 Linus Torvalds 36.8 - * 36.9 - * Pentium III FXSR, SSE support 36.10 - * Gareth Hughes <gareth@valinux.com>, May 2000 36.11 - */ 36.12 - 36.13 -/* 36.14 - * 'Traps.c' handles hardware traps and faults after we have saved some 36.15 - * state in 'asm.s'. 36.16 - */ 36.17 -#include <linux/config.h> 36.18 -#include <linux/sched.h> 36.19 -#include <linux/kernel.h> 36.20 -#include <linux/string.h> 36.21 -#include <linux/errno.h> 36.22 -#include <linux/ptrace.h> 36.23 -#include <linux/timer.h> 36.24 -#include <linux/mm.h> 36.25 -#include <linux/init.h> 36.26 -#include <linux/delay.h> 36.27 -#include <linux/spinlock.h> 36.28 -#include <linux/interrupt.h> 36.29 -#include <linux/highmem.h> 36.30 - 36.31 -#include <asm/system.h> 36.32 -#include <asm/uaccess.h> 36.33 -#include <asm/io.h> 36.34 -#include <asm/atomic.h> 36.35 -#include <asm/debugreg.h> 36.36 -#include <asm/desc.h> 36.37 -#include <asm/i387.h> 36.38 - 36.39 -#include <asm/smp.h> 36.40 -#include <asm/pgalloc.h> 36.41 - 36.42 -#include <asm/hypervisor.h> 36.43 - 36.44 -#include <linux/irq.h> 36.45 -#include <linux/module.h> 36.46 - 36.47 -asmlinkage int system_call(void); 36.48 -asmlinkage void lcall7(void); 36.49 -asmlinkage void lcall27(void); 36.50 - 36.51 -asmlinkage void divide_error(void); 36.52 -asmlinkage void debug(void); 36.53 -asmlinkage void int3(void); 36.54 -asmlinkage void overflow(void); 36.55 -asmlinkage void bounds(void); 36.56 -asmlinkage void invalid_op(void); 36.57 -asmlinkage void device_not_available(void); 36.58 -asmlinkage void double_fault(void); 36.59 -asmlinkage void coprocessor_segment_overrun(void); 36.60 -asmlinkage void invalid_TSS(void); 36.61 -asmlinkage void segment_not_present(void); 36.62 -asmlinkage void stack_segment(void); 36.63 -asmlinkage void general_protection(void); 36.64 -asmlinkage void page_fault(void); 36.65 -asmlinkage void coprocessor_error(void); 36.66 -asmlinkage void simd_coprocessor_error(void); 36.67 -asmlinkage void alignment_check(void); 36.68 -asmlinkage void fixup_4gb_segment(void); 36.69 -asmlinkage void machine_check(void); 36.70 - 36.71 -int kstack_depth_to_print = 24; 36.72 - 36.73 - 36.74 -/* 36.75 - * If the address is either in the .text section of the 36.76 - * kernel, or in the vmalloc'ed module regions, it *may* 36.77 - * be the address of a calling routine 36.78 - */ 36.79 - 36.80 -#ifdef CONFIG_MODULES 36.81 - 36.82 -extern struct module *module_list; 36.83 -extern struct module kernel_module; 36.84 - 36.85 -static inline int kernel_text_address(unsigned long addr) 36.86 -{ 36.87 - int retval = 0; 36.88 - struct module *mod; 36.89 - 36.90 - if (addr >= (unsigned long) &_stext && 36.91 - addr <= (unsigned long) &_etext) 36.92 - return 1; 36.93 - 36.94 - for (mod = module_list; mod != &kernel_module; mod = mod->next) { 36.95 - /* mod_bound tests for addr being inside the vmalloc'ed 36.96 - * module area. Of course it'd be better to test only 36.97 - * for the .text subset... */ 36.98 - if (mod_bound(addr, 0, mod)) { 36.99 - retval = 1; 36.100 - break; 36.101 - } 36.102 - } 36.103 - 36.104 - return retval; 36.105 -} 36.106 - 36.107 -#else 36.108 - 36.109 -static inline int kernel_text_address(unsigned long addr) 36.110 -{ 36.111 - return (addr >= (unsigned long) &_stext && 36.112 - addr <= (unsigned long) &_etext); 36.113 -} 36.114 - 36.115 -#endif 36.116 - 36.117 -void show_trace(unsigned long * stack) 36.118 -{ 36.119 - int i; 36.120 - unsigned long addr; 36.121 - 36.122 - if (!stack) 36.123 - stack = (unsigned long*)&stack; 36.124 - 36.125 - printk("Call Trace: "); 36.126 - i = 1; 36.127 - while (((long) stack & (THREAD_SIZE-1)) != 0) { 36.128 - addr = *stack++; 36.129 - if (kernel_text_address(addr)) { 36.130 - if (i && ((i % 6) == 0)) 36.131 - printk("\n "); 36.132 - printk("[<%08lx>] ", addr); 36.133 - i++; 36.134 - } 36.135 - } 36.136 - printk("\n"); 36.137 -} 36.138 - 36.139 -void show_trace_task(struct task_struct *tsk) 36.140 -{ 36.141 - unsigned long esp = tsk->thread.esp; 36.142 - 36.143 - /* User space on another CPU? */ 36.144 - if ((esp ^ (unsigned long)tsk) & (PAGE_MASK<<1)) 36.145 - return; 36.146 - show_trace((unsigned long *)esp); 36.147 -} 36.148 - 36.149 -void show_stack(unsigned long * esp) 36.150 -{ 36.151 - unsigned long *stack; 36.152 - int i; 36.153 - 36.154 - // debugging aid: "show_stack(NULL);" prints the 36.155 - // back trace for this cpu. 36.156 - 36.157 - if(esp==NULL) 36.158 - esp=(unsigned long*)&esp; 36.159 - 36.160 - stack = esp; 36.161 - for(i=0; i < kstack_depth_to_print; i++) { 36.162 - if (((long) stack & (THREAD_SIZE-1)) == 0) 36.163 - break; 36.164 - if (i && ((i % 8) == 0)) 36.165 - printk("\n "); 36.166 - printk("%08lx ", *stack++); 36.167 - } 36.168 - printk("\n"); 36.169 - show_trace(esp); 36.170 -} 36.171 - 36.172 -void show_registers(struct pt_regs *regs) 36.173 -{ 36.174 - int in_kernel = 1; 36.175 - unsigned long esp; 36.176 - unsigned short ss; 36.177 - 36.178 - esp = (unsigned long) (®s->esp); 36.179 - ss = __KERNEL_DS; 36.180 - if (regs->xcs & 2) { 36.181 - in_kernel = 0; 36.182 - esp = regs->esp; 36.183 - ss = regs->xss & 0xffff; 36.184 - } 36.185 - printk(KERN_ALERT "CPU: %d\n", smp_processor_id() ); 36.186 - printk(KERN_ALERT "EIP: %04x:[<%08lx>] %s\n", 36.187 - 0xffff & regs->xcs, regs->eip, print_tainted()); 36.188 - printk(KERN_ALERT "EFLAGS: %08lx\n",regs->eflags); 36.189 - printk(KERN_ALERT "eax: %08lx ebx: %08lx ecx: %08lx edx: %08lx\n", 36.190 - regs->eax, regs->ebx, regs->ecx, regs->edx); 36.191 - printk(KERN_ALERT "esi: %08lx edi: %08lx ebp: %08lx esp: %08lx\n", 36.192 - regs->esi, regs->edi, regs->ebp, esp); 36.193 - printk(KERN_ALERT "ds: %04x es: %04x ss: %04x\n", 36.194 - regs->xds & 0xffff, regs->xes & 0xffff, ss); 36.195 - printk(KERN_ALERT "Process %s (pid: %d, stackpage=%08lx)", 36.196 - current->comm, current->pid, 4096+(unsigned long)current); 36.197 - /* 36.198 - * When in-kernel, we also print out the stack and code at the 36.199 - * time of the fault.. 36.200 - */ 36.201 - if (in_kernel) { 36.202 - 36.203 - printk(KERN_ALERT "\nStack: "); 36.204 - show_stack((unsigned long*)esp); 36.205 - 36.206 -#if 0 36.207 - { 36.208 - int i; 36.209 - printk(KERN_ALERT "\nCode: "); 36.210 - if(regs->eip < PAGE_OFFSET) 36.211 - goto bad; 36.212 - 36.213 - for(i=0;i<20;i++) 36.214 - { 36.215 - unsigned char c; 36.216 - if(__get_user(c, &((unsigned char*)regs->eip)[i])) { 36.217 -bad: 36.218 - printk(KERN_ALERT " Bad EIP value."); 36.219 - break; 36.220 - } 36.221 - printk("%02x ", c); 36.222 - } 36.223 - } 36.224 -#endif 36.225 - } 36.226 - printk(KERN_ALERT "\n"); 36.227 -} 36.228 - 36.229 -spinlock_t die_lock = SPIN_LOCK_UNLOCKED; 36.230 - 36.231 -void die(const char * str, struct pt_regs * regs, long err) 36.232 -{ 36.233 - console_verbose(); 36.234 - spin_lock_irq(&die_lock); 36.235 - bust_spinlocks(1); 36.236 - printk("%s: %04lx\n", str, err & 0xffff); 36.237 - show_registers(regs); 36.238 - bust_spinlocks(0); 36.239 - spin_unlock_irq(&die_lock); 36.240 - do_exit(SIGSEGV); 36.241 -} 36.242 - 36.243 -static inline void die_if_kernel(const char * str, struct pt_regs * regs, long err) 36.244 -{ 36.245 - if (!(2 & regs->xcs)) 36.246 - die(str, regs, err); 36.247 -} 36.248 - 36.249 - 36.250 -static void inline do_trap(int trapnr, int signr, char *str, 36.251 - struct pt_regs * regs, long error_code, 36.252 - siginfo_t *info) 36.253 -{ 36.254 - if (!(regs->xcs & 2)) 36.255 - goto kernel_trap; 36.256 - 36.257 - /*trap_signal:*/ { 36.258 - struct task_struct *tsk = current; 36.259 - tsk->thread.error_code = error_code; 36.260 - tsk->thread.trap_no = trapnr; 36.261 - if (info) 36.262 - force_sig_info(signr, info, tsk); 36.263 - else 36.264 - force_sig(signr, tsk); 36.265 - return; 36.266 - } 36.267 - 36.268 - kernel_trap: { 36.269 - unsigned long fixup = search_exception_table(regs->eip); 36.270 - if (fixup) 36.271 - regs->eip = fixup; 36.272 - else 36.273 - die(str, regs, error_code); 36.274 - return; 36.275 - } 36.276 -} 36.277 - 36.278 -#define DO_ERROR(trapnr, signr, str, name) \ 36.279 -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ 36.280 -{ \ 36.281 - do_trap(trapnr, signr, str, regs, error_code, NULL); \ 36.282 -} 36.283 - 36.284 -#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ 36.285 -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ 36.286 -{ \ 36.287 - siginfo_t info; \ 36.288 - info.si_signo = signr; \ 36.289 - info.si_errno = 0; \ 36.290 - info.si_code = sicode; \ 36.291 - info.si_addr = (void *)siaddr; \ 36.292 - do_trap(trapnr, signr, str, regs, error_code, &info); \ 36.293 -} 36.294 - 36.295 -DO_ERROR_INFO( 0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->eip) 36.296 -DO_ERROR( 3, SIGTRAP, "int3", int3) 36.297 -DO_ERROR( 4, SIGSEGV, "overflow", overflow) 36.298 -DO_ERROR( 5, SIGSEGV, "bounds", bounds) 36.299 -DO_ERROR_INFO( 6, SIGILL, "invalid operand", invalid_op, ILL_ILLOPN, regs->eip) 36.300 -DO_ERROR( 7, SIGSEGV, "device not available", device_not_available) 36.301 -DO_ERROR( 8, SIGSEGV, "double fault", double_fault) 36.302 -DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) 36.303 -DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) 36.304 -DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) 36.305 -DO_ERROR(12, SIGBUS, "stack segment", stack_segment) 36.306 -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) 36.307 -DO_ERROR(18, SIGBUS, "machine check", machine_check) 36.308 - 36.309 -asmlinkage void do_general_protection(struct pt_regs * regs, long error_code) 36.310 -{ 36.311 - /* 36.312 - * If we trapped on an LDT access then ensure that the default_ldt is 36.313 - * loaded, if nothing else. We load default_ldt lazily because LDT 36.314 - * switching costs time and many applications don't need it. 36.315 - */ 36.316 - if ( unlikely((error_code & 6) == 4) ) 36.317 - { 36.318 - unsigned long ldt; 36.319 - __asm__ __volatile__ ( "sldt %0" : "=r" (ldt) ); 36.320 - if ( ldt == 0 ) 36.321 - { 36.322 - xen_set_ldt((unsigned long)&default_ldt[0], 5); 36.323 - return; 36.324 - } 36.325 - } 36.326 - 36.327 - if (!(regs->xcs & 2)) 36.328 - goto gp_in_kernel; 36.329 - 36.330 - current->thread.error_code = error_code; 36.331 - current->thread.trap_no = 13; 36.332 - force_sig(SIGSEGV, current); 36.333 - return; 36.334 - 36.335 -gp_in_kernel: 36.336 - { 36.337 - unsigned long fixup; 36.338 - fixup = search_exception_table(regs->eip); 36.339 - if (fixup) { 36.340 - regs->eip = fixup; 36.341 - return; 36.342 - } 36.343 - die("general protection fault", regs, error_code); 36.344 - } 36.345 -} 36.346 - 36.347 - 36.348 -asmlinkage void do_debug(struct pt_regs * regs, long error_code) 36.349 -{ 36.350 - unsigned int condition; 36.351 - struct task_struct *tsk = current; 36.352 - siginfo_t info; 36.353 - 36.354 - condition = HYPERVISOR_get_debugreg(6); 36.355 - 36.356 - /* Mask out spurious debug traps due to lazy DR7 setting */ 36.357 - if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) { 36.358 - if (!tsk->thread.debugreg[7]) 36.359 - goto clear_dr7; 36.360 - } 36.361 - 36.362 - /* Save debug status register where ptrace can see it */ 36.363 - tsk->thread.debugreg[6] = condition; 36.364 - 36.365 - /* Mask out spurious TF errors due to lazy TF clearing */ 36.366 - if (condition & DR_STEP) { 36.367 - /* 36.368 - * The TF error should be masked out only if the current 36.369 - * process is not traced and if the TRAP flag has been set 36.370 - * previously by a tracing process (condition detected by 36.371 - * the PT_DTRACE flag); remember that the i386 TRAP flag 36.372 - * can be modified by the process itself in user mode, 36.373 - * allowing programs to debug themselves without the ptrace() 36.374 - * interface. 36.375 - */ 36.376 - if ((tsk->ptrace & (PT_DTRACE|PT_PTRACED)) == PT_DTRACE) 36.377 - goto clear_TF; 36.378 - } 36.379 - 36.380 - /* Ok, finally something we can handle */ 36.381 - tsk->thread.trap_no = 1; 36.382 - tsk->thread.error_code = error_code; 36.383 - info.si_signo = SIGTRAP; 36.384 - info.si_errno = 0; 36.385 - info.si_code = TRAP_BRKPT; 36.386 - 36.387 - /* If this is a kernel mode trap, save the user PC on entry to 36.388 - * the kernel, that's what the debugger can make sense of. 36.389 - */ 36.390 - info.si_addr = ((regs->xcs & 2) == 0) ? (void *)tsk->thread.eip : 36.391 - (void *)regs->eip; 36.392 - force_sig_info(SIGTRAP, &info, tsk); 36.393 - 36.394 - /* Disable additional traps. They'll be re-enabled when 36.395 - * the signal is delivered. 36.396 - */ 36.397 - clear_dr7: 36.398 - HYPERVISOR_set_debugreg(7, 0); 36.399 - return; 36.400 - 36.401 - clear_TF: 36.402 - regs->eflags &= ~TF_MASK; 36.403 - return; 36.404 -} 36.405 - 36.406 - 36.407 -/* 36.408 - * Note that we play around with the 'TS' bit in an attempt to get 36.409 - * the correct behaviour even in the presence of the asynchronous 36.410 - * IRQ13 behaviour 36.411 - */ 36.412 -void math_error(void *eip) 36.413 -{ 36.414 - struct task_struct * task; 36.415 - siginfo_t info; 36.416 - unsigned short cwd, swd; 36.417 - 36.418 - /* 36.419 - * Save the info for the exception handler and clear the error. 36.420 - */ 36.421 - task = current; 36.422 - save_init_fpu(task); 36.423 - task->thread.trap_no = 16; 36.424 - task->thread.error_code = 0; 36.425 - info.si_signo = SIGFPE; 36.426 - info.si_errno = 0; 36.427 - info.si_code = __SI_FAULT; 36.428 - info.si_addr = eip; 36.429 - /* 36.430 - * (~cwd & swd) will mask out exceptions that are not set to unmasked 36.431 - * status. 0x3f is the exception bits in these regs, 0x200 is the 36.432 - * C1 reg you need in case of a stack fault, 0x040 is the stack 36.433 - * fault bit. We should only be taking one exception at a time, 36.434 - * so if this combination doesn't produce any single exception, 36.435 - * then we have a bad program that isn't syncronizing its FPU usage 36.436 - * and it will suffer the consequences since we won't be able to 36.437 - * fully reproduce the context of the exception 36.438 - */ 36.439 - cwd = get_fpu_cwd(task); 36.440 - swd = get_fpu_swd(task); 36.441 - switch (((~cwd) & swd & 0x3f) | (swd & 0x240)) { 36.442 - case 0x000: 36.443 - default: 36.444 - break; 36.445 - case 0x001: /* Invalid Op */ 36.446 - case 0x041: /* Stack Fault */ 36.447 - case 0x241: /* Stack Fault | Direction */ 36.448 - info.si_code = FPE_FLTINV; 36.449 - break; 36.450 - case 0x002: /* Denormalize */ 36.451 - case 0x010: /* Underflow */ 36.452 - info.si_code = FPE_FLTUND; 36.453 - break; 36.454 - case 0x004: /* Zero Divide */ 36.455 - info.si_code = FPE_FLTDIV; 36.456 - break; 36.457 - case 0x008: /* Overflow */ 36.458 - info.si_code = FPE_FLTOVF; 36.459 - break; 36.460 - case 0x020: /* Precision */ 36.461 - info.si_code = FPE_FLTRES; 36.462 - break; 36.463 - } 36.464 - force_sig_info(SIGFPE, &info, task); 36.465 -} 36.466 - 36.467 -asmlinkage void do_coprocessor_error(struct pt_regs * regs, long error_code) 36.468 -{ 36.469 - ignore_irq13 = 1; 36.470 - math_error((void *)regs->eip); 36.471 -} 36.472 - 36.473 -void simd_math_error(void *eip) 36.474 -{ 36.475 - struct task_struct * task; 36.476 - siginfo_t info; 36.477 - unsigned short mxcsr; 36.478 - 36.479 - /* 36.480 - * Save the info for the exception handler and clear the error. 36.481 - */ 36.482 - task = current; 36.483 - save_init_fpu(task); 36.484 - task->thread.trap_no = 19; 36.485 - task->thread.error_code = 0; 36.486 - info.si_signo = SIGFPE; 36.487 - info.si_errno = 0; 36.488 - info.si_code = __SI_FAULT; 36.489 - info.si_addr = eip; 36.490 - /* 36.491 - * The SIMD FPU exceptions are handled a little differently, as there 36.492 - * is only a single status/control register. Thus, to determine which 36.493 - * unmasked exception was caught we must mask the exception mask bits 36.494 - * at 0x1f80, and then use these to mask the exception bits at 0x3f. 36.495 - */ 36.496 - mxcsr = get_fpu_mxcsr(task); 36.497 - switch (~((mxcsr & 0x1f80) >> 7) & (mxcsr & 0x3f)) { 36.498 - case 0x000: 36.499 - default: 36.500 - break; 36.501 - case 0x001: /* Invalid Op */ 36.502 - info.si_code = FPE_FLTINV; 36.503 - break; 36.504 - case 0x002: /* Denormalize */ 36.505 - case 0x010: /* Underflow */ 36.506 - info.si_code = FPE_FLTUND; 36.507 - break; 36.508 - case 0x004: /* Zero Divide */ 36.509 - info.si_code = FPE_FLTDIV; 36.510 - break; 36.511 - case 0x008: /* Overflow */ 36.512 - info.si_code = FPE_FLTOVF;