ia64/linux-2.6.18-xen.hg

view arch/um/Makefile @ 854:950b9eb27661

usbback: fix urb interval value for interrupt urbs.

Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Apr 06 13:51:20 2009 +0100 (2009-04-06)
parents 831230e53067
children
line source
1 #
2 # This file is included by the global makefile so that you can add your own
3 # architecture-specific flags and dependencies.
4 #
5 # Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
6 # Licensed under the GPL
7 #
9 ARCH_DIR := arch/um
10 OS := $(shell uname -s)
11 # We require bash because the vmlinux link and loader script cpp use bash
12 # features.
13 SHELL := /bin/bash
15 filechk_gen_header = $<
17 core-y += $(ARCH_DIR)/kernel/ \
18 $(ARCH_DIR)/drivers/ \
19 $(ARCH_DIR)/os-$(OS)/
21 # Have to precede the include because the included Makefiles reference them.
22 SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \
23 module.h vm-flags.h elf.h host_ldt.h
24 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))
26 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
27 # ../os/include/file.h
28 #
29 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
30 # the Correct Thing(tm) to do!
31 ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/sysdep $(ARCH_DIR)/os \
32 $(SYMLINK_HEADERS) $(ARCH_DIR)/include/uml-config.h
34 um-modes-$(CONFIG_MODE_TT) += tt
35 um-modes-$(CONFIG_MODE_SKAS) += skas
37 MODE_INCLUDE += $(foreach mode,$(um-modes-y),\
38 -I$(srctree)/$(ARCH_DIR)/include/$(mode))
40 MAKEFILES-INCL += $(foreach mode,$(um-modes-y),\
41 $(srctree)/$(ARCH_DIR)/Makefile-$(mode))
43 ifneq ($(MAKEFILES-INCL),)
44 include $(MAKEFILES-INCL)
45 endif
47 ARCH_INCLUDE := -I$(ARCH_DIR)/include
48 ifneq ($(KBUILD_SRC),)
49 ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include
50 endif
51 SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH)
53 # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
54 # named - it's a common symbol in libpcap, so we get a binary which crashes.
55 #
56 # Same things for in6addr_loopback and mktime - found in libc. For these two we
57 # only get link-time error, luckily.
58 #
59 # These apply to USER_CFLAGS to.
61 CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
62 $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \
63 -Din6addr_loopback=kernel_in6addr_loopback
65 AFLAGS += $(ARCH_INCLUDE)
67 USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
68 USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
69 $(MODE_INCLUDE) -D_FILE_OFFSET_BITS=64
71 # -Derrno=kernel_errno - This turns all kernel references to errno into
72 # kernel_errno to separate them from the libc errno. This allows -fno-common
73 # in CFLAGS. Otherwise, it would cause ld to complain about the two different
74 # errnos.
75 # These apply to kernelspace only.
77 CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
78 -Dmktime=kernel_mktime
79 CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
81 include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
83 #This will adjust *FLAGS accordingly to the platform.
84 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
86 # These are needed for clean and mrproper, since in that case .config is not
87 # included; the values here are meaningless
89 CONFIG_NEST_LEVEL ?= 0
90 CONFIG_KERNEL_HALF_GIGS ?= 0
92 SIZE = (($(CONFIG_NEST_LEVEL) + $(CONFIG_KERNEL_HALF_GIGS)) * 0x20000000)
94 PHONY += linux
96 all: linux
98 linux: vmlinux
99 @echo ' LINK $@'
100 $(Q)ln -f $< $@
102 define archhelp
103 echo '* linux - Binary kernel image (./linux) - for backward'
104 echo ' compatibility only, this creates a hard link to the'
105 echo ' real kernel binary, the the "vmlinux" binary you'
106 echo ' find in the kernel root.'
107 endef
109 ifneq ($(KBUILD_SRC),)
110 $(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
111 else
112 $(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch)
113 endif
115 archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/user_constants.h
116 prepare: $(ARCH_DIR)/include/kern_constants.h
118 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
119 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
121 CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) \
122 $(call cc-option, -fno-stack-protector,) \
123 $(call cc-option, -fno-stack-protector-all,)
125 CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
126 CONFIG_KERNEL_STACK_ORDER ?= 2
127 STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
129 ifndef START
130 START = $(shell echo $$[ $(TOP_ADDR) - $(SIZE) ] )
131 endif
133 CPPFLAGS_vmlinux.lds = -U$(SUBARCH) \
134 -DSTART=$(START) -DELF_ARCH=$(ELF_ARCH) \
135 -DELF_FORMAT="$(ELF_FORMAT)" $(CPP_MODE-y) \
136 -DKERNEL_STACK_SIZE=$(STACK_SIZE) \
137 -DUNMAP_PATH=arch/um/sys-$(SUBARCH)/unmap.o
139 #The wrappers will select whether using "malloc" or the kernel allocator.
140 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
142 CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS)
143 define cmd_vmlinux__
144 $(CC) $(CFLAGS_vmlinux) -o $@ \
145 -Wl,-T,$(vmlinux-lds) $(vmlinux-init) \
146 -Wl,--start-group $(vmlinux-main) -Wl,--end-group \
147 -lutil \
148 $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) \
149 FORCE ,$^) ; rm -f linux
150 endef
152 #When cleaning we don't include .config, so we don't include
153 #TT or skas makefiles and don't clean skas_ptregs.h.
154 CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
155 $(ARCH_DIR)/include/user_constants.h \
156 $(ARCH_DIR)/include/kern_constants.h $(ARCH_DIR)/Kconfig.arch
158 MRPROPER_FILES += $(ARCH_SYMLINKS)
160 archclean:
161 @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
162 -o -name '*.gcov' \) -type f -print | xargs rm -f
164 $(SYMLINK_HEADERS):
165 @echo ' SYMLINK $@'
166 ifneq ($(KBUILD_SRC),)
167 $(Q)mkdir -p $(objtree)/include/asm-um
168 $(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
169 else
170 $(Q)cd $(TOPDIR)/$(dir $@) ; \
171 ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $(notdir $@)
172 endif
174 include/asm-um/arch:
175 @echo ' SYMLINK $@'
176 ifneq ($(KBUILD_SRC),)
177 $(Q)mkdir -p $(objtree)/include/asm-um
178 $(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch
179 else
180 $(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
181 endif
183 $(objtree)/$(ARCH_DIR)/include:
184 @echo ' MKDIR $@'
185 $(Q)mkdir -p $@
187 $(ARCH_DIR)/include/sysdep: $(objtree)/$(ARCH_DIR)/include
188 @echo ' SYMLINK $@'
189 ifneq ($(KBUILD_SRC),)
190 $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
191 else
192 $(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep
193 endif
195 $(ARCH_DIR)/os:
196 @echo ' SYMLINK $@'
197 ifneq ($(KBUILD_SRC),)
198 $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $(ARCH_DIR)/os
199 else
200 $(Q)cd $(ARCH_DIR) && ln -sf os-$(OS) os
201 endif
203 # Generated files
204 define filechk_umlconfig
205 sed 's/ CONFIG/ UML_CONFIG/'
206 endef
208 $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
209 $(call filechk,umlconfig)
211 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
212 $(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
214 define filechk_gen-asm-offsets
215 (set -e; \
216 echo "/*"; \
217 echo " * DO NOT MODIFY."; \
218 echo " *"; \
219 echo " * This file was generated by arch/$(ARCH)/Makefile"; \
220 echo " *"; \
221 echo " */"; \
222 echo ""; \
223 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
224 echo ""; )
225 endef
227 $(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
228 $(call filechk,gen-asm-offsets)
230 $(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
231 @echo ' SYMLINK $@'
232 $(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
234 export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS