All of mini-os is more or less under xen/ now.
extra_incl := $(foreach dir,$(EXTRA_INC),-isystem $(MINI-OS_ROOT)/include/$(dir))
-DEF_CPPFLAGS += -isystem $(MINI-OS_ROOT)/include
+DEF_CPPFLAGS += -isystem $(MINI-OS_ROOT)/xen/include
.PHONY: links
links: $(ARCH_LINKS)
- [ -e include/xen ] || ln -sf $(XEN_HEADERS) include/xen
- [ -e include/mini-os/machine ] || ln -sf $(TARGET_ARCH_FAM) include/mini-os/machine
+ [ -e xen/include/xen ] || ln -sf $(XEN_HEADERS) xen/include/xen
+ [ -e xen/include/mini-os/machine ] || ln -sf $(TARGET_ARCH_FAM) xen/include/mini-os/machine
.PHONY: arch_lib
arch_lib:
rm -f $$dir/*.o; \
done
rm -f $(OBJ_DIR)/*.o *~ $(OBJ_DIR)/core minios.o rumprun.o rump-kernel
- rm -f include/xen include/mini-os/machine
+ rm -f xen/include/xen xen/include/mini-os/machine
rm -f tags TAGS
$(MAKE) -C httpd -f Makefile.boot clean
$(MAKE) -C tests clean
%rename cpp_options old_cpp_options
*cpp_options:
--nostdinc -isystem !BASE!/rump/include -isystem !BASE!/include %(old_cpp_options) !CPPFLAGS! -D__RUMPUSER_XEN__ -D__RUMPAPP__ -D__NetBSD__
+-nostdinc -isystem !BASE!/rump/include -isystem !BASE!/xen/include %(old_cpp_options) !CPPFLAGS! -D__RUMPUSER_XEN__ -D__RUMPAPP__ -D__NetBSD__
*linker:
!APPTOOLS!/ld --stunt-intermediate %g.link1 --stunt-final-script !LDSCRIPT!
%rename cpp_options old_cpp_options
*cpp_options:
--nostdinc -isystem !BASE!/rump/include -isystem !BASE!/include %(old_cpp_options) !CPPFLAGS! -D__RUMPUSER_XEN__ -D__RUMPAPP__ -D__NetBSD__
+-nostdinc -isystem !BASE!/rump/include -isystem !BASE!/xen/include %(old_cpp_options) !CPPFLAGS! -D__RUMPUSER_XEN__ -D__RUMPAPP__ -D__NetBSD__
*linker:
!APPTOOLS!/ld --stunt-intermediate %g.link1 --stunt-final-script !LDSCRIPT!
+++ /dev/null
-#ifndef _MINIOS_BLKFRONT_H_
-#define _MINIOS_BLKFRONT_H_
-
-#include <mini-os/wait.h>
-#include <xen/io/blkif.h>
-#include <mini-os/types.h>
-struct blkfront_dev;
-struct blkfront_aiocb
-{
- struct blkfront_dev *aio_dev;
- uint8_t *aio_buf;
- size_t aio_nbytes;
- off_t aio_offset;
- size_t total_bytes;
- uint8_t is_write;
- void *data;
-
- grant_ref_t gref[BLKIF_MAX_SEGMENTS_PER_REQUEST];
- int n;
-
- void (*aio_cb)(struct blkfront_aiocb *aiocb, int ret);
-};
-struct blkfront_info
-{
- uint64_t sectors;
- unsigned sector_size;
- int mode;
- int info;
- int barrier;
- int flush;
-};
-struct blkfront_dev *blkfront_init(char *nodename, struct blkfront_info *info);
-void blkfront_aio(struct blkfront_aiocb *aiocbp, int write);
-#define blkfront_aio_read(aiocbp) blkfront_aio(aiocbp, 0)
-#define blkfront_aio_write(aiocbp) blkfront_aio(aiocbp, 1)
-void blkfront_io(struct blkfront_aiocb *aiocbp, int write);
-#define blkfront_read(aiocbp) blkfront_io(aiocbp, 0)
-#define blkfront_write(aiocbp) blkfront_io(aiocbp, 1)
-void blkfront_aio_push_operation(struct blkfront_aiocb *aiocbp, uint8_t op);
-int blkfront_aio_poll(struct blkfront_dev *dev);
-void blkfront_sync(struct blkfront_dev *dev);
-void blkfront_shutdown(struct blkfront_dev *dev);
-
-extern struct wait_queue_head blkfront_queue;
-
-#endif /* _MINIOS_BLKFRONT_H_ */
+++ /dev/null
-/*
- ****************************************************************************
- * (C) 2006 - Grzegorz Milos - Cambridge University
- ****************************************************************************
- *
- * File: console.h
- * Author: Grzegorz Milos
- * Changes:
- *
- * Date: Mar 2006
- *
- * Environment: Xen Minimal OS
- * Description: Console interface.
- *
- * Handles console I/O. Defines printk.
- *
- ****************************************************************************
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-#ifndef _MINIOS_LIB_CONSOLE_H_
-#define _MINIOS_LIB_CONSOLE_H_
-
-#include <mini-os/os.h>
-#include <mini-os/types.h>
-#include <mini-os/xenbus.h>
-
-#include <mini-os/machine/traps.h>
-
-#include <xen/grant_table.h>
-#include <xen/io/console.h>
-#include <stdarg.h>
-
-struct consfront_dev {
- domid_t dom;
-
- struct xencons_interface *ring;
- grant_ref_t ring_ref;
- evtchn_port_t evtchn;
-
- char *nodename;
- char *backend;
-
- struct xenbus_event_queue events;
-
-};
-
-
-
-void print(int direct, const char *fmt, va_list args);
-void minios_printk(const char *fmt, ...);
-void xprintk(const char *fmt, ...);
-void panic(const char *fmt, ...);
-
-#define tprintk(_fmt, _args...) printk("[%s] " _fmt, current->name, ##_args)
-
-void xencons_rx(char *buf, unsigned len, struct pt_regs *regs);
-void xencons_tx(void);
-
-void init_console(void);
-void minios_console_print(struct consfront_dev *dev, char *data, int length);
-void fini_console(struct consfront_dev *dev);
-
-/* Low level functions defined in xencons_ring.c */
-extern struct wait_queue_head console_queue;
-struct consfront_dev *xencons_ring_init(void);
-struct consfront_dev *init_consfront(char *_nodename);
-int xencons_ring_send(struct consfront_dev *dev, const char *data, unsigned len);
-int xencons_ring_send_no_notify(struct consfront_dev *dev, const char *data, unsigned len);
-int xencons_ring_avail(struct consfront_dev *dev);
-int xencons_ring_recv(struct consfront_dev *dev, char *data, unsigned len);
-void free_consfront(struct consfront_dev *dev);
-
-#endif /* _MINIOS_LIB_CONSOLE_H_ */
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- ****************************************************************************
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
- ****************************************************************************
- *
- * File: events.h
- * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
- * Changes: Grzegorz Milos (gm281@cam.ac.uk)
- *
- * Date: Jul 2003, changes Jun 2005
- *
- * Environment: Xen Minimal OS
- * Description: Deals with events on the event channels
- *
- ****************************************************************************
- */
-
-#ifndef _MINIOS_EVENTS_H_
-#define _MINIOS_EVENTS_H_
-
-#include<xen/event_channel.h>
-
-typedef void (*evtchn_handler_t)(evtchn_port_t, struct pt_regs *, void *);
-
-/* prototypes */
-int do_event(evtchn_port_t port, struct pt_regs *regs);
-evtchn_port_t minios_bind_virq(uint32_t virq, evtchn_handler_t handler, void *data);
-evtchn_port_t minios_bind_pirq(uint32_t pirq, int will_share, evtchn_handler_t handler, void *data);
-evtchn_port_t minios_bind_evtchn(evtchn_port_t port, evtchn_handler_t handler,
- void *data);
-void minios_unbind_evtchn(evtchn_port_t port);
-void init_events(void);
-int minios_evtchn_alloc_unbound(domid_t pal, evtchn_handler_t handler,
- void *data, evtchn_port_t *port);
-int minios_evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port,
- evtchn_handler_t handler, void *data,
- evtchn_port_t *local_port);
-void unbind_all_ports(void);
-
-static inline int notify_remote_via_evtchn(evtchn_port_t port)
-{
- evtchn_send_t op;
- op.port = port;
- return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op);
-}
-
-void fini_events(void);
-
-#endif /* _MINIOS_EVENTS_H_ */
+++ /dev/null
-#ifndef _MINIOS_FBFRONT_H_
-#define _MINIOS_FBFRONT_H_
-
-#include <xen/io/kbdif.h>
-#include <xen/io/fbif.h>
-#include <mini-os/semaphore.h>
-#include <mini-os/wait.h>
-
-/* from <linux/input.h> */
-#ifndef BTN_LEFT
-#define BTN_LEFT 0x110
-#endif
-#ifndef BTN_RIGHT
-#define BTN_RIGHT 0x111
-#endif
-#ifndef BTN_MIDDLE
-#define BTN_MIDDLE 0x112
-#endif
-#ifndef KEY_Q
-#define KEY_Q 16
-#endif
-#ifndef KEY_MAX
-#define KEY_MAX 0x1ff
-#endif
-
-
-struct kbdfront_dev;
-struct kbdfront_dev *init_kbdfront(char *nodename, int abs_pointer);
-
-int kbdfront_receive(struct kbdfront_dev *dev, union xenkbd_in_event *buf, int n);
-extern struct wait_queue_head kbdfront_queue;
-
-void shutdown_kbdfront(struct kbdfront_dev *dev);
-
-
-struct fbfront_dev *init_fbfront(char *nodename, unsigned long *mfns, int width, int height, int depth, int stride, int n);
-
-int fbfront_receive(struct fbfront_dev *dev, union xenfb_in_event *buf, int n);
-extern struct wait_queue_head fbfront_queue;
-void fbfront_update(struct fbfront_dev *dev, int x, int y, int width, int height);
-void fbfront_resize(struct fbfront_dev *dev, int width, int height, int stride, int depth, int offset);
-
-void shutdown_fbfront(struct fbfront_dev *dev);
-
-#endif /* _MINIOS_FBFRONT_H_ */
+++ /dev/null
-#ifndef __MINIOS_GNTMAP_H__
-#define __MINIOS_GNTMAP_H__
-
-#include <mini-os/os.h>
-
-/*
- * Please consider struct gntmap opaque. If instead you choose to disregard
- * this message, I insist that you keep an eye out for raptors.
- */
-struct gntmap {
- int nentries;
- struct gntmap_entry *entries;
-};
-
-int
-gntmap_set_max_grants(struct gntmap *map, int count);
-
-int
-gntmap_munmap(struct gntmap *map, unsigned long start_address, int count);
-
-void*
-gntmap_map_grant_refs(struct gntmap *map,
- uint32_t count,
- uint32_t *domids,
- int domids_stride,
- uint32_t *refs,
- int writable);
-
-void
-gntmap_init(struct gntmap *map);
-
-void
-gntmap_fini(struct gntmap *map);
-
-#endif /* !__MINIOS_GNTMAP_H__ */
+++ /dev/null
-#ifndef __MINIOS_GNTTAB_H__
-#define __MINIOS_GNTTAB_H__
-
-#include <xen/grant_table.h>
-
-void init_gnttab(void);
-grant_ref_t gnttab_alloc_and_grant(void **map);
-grant_ref_t gnttab_grant_access(domid_t domid, unsigned long frame,
- int readonly);
-grant_ref_t gnttab_grant_transfer(domid_t domid, unsigned long pfn);
-unsigned long gnttab_end_transfer(grant_ref_t gref);
-int gnttab_end_access(grant_ref_t ref);
-const char *gnttabop_error(int16_t status);
-void fini_gnttab(void);
-
-#endif /* !__MINIOS_GNTTAB_H__ */
+++ /dev/null
-/******************************************************************************
- * hypervisor.h
- *
- * Hypervisor handling.
- *
- *
- * Copyright (c) 2002, K A Fraser
- * Copyright (c) 2005, Grzegorz Milos
- * Updates: Aravindh Puthiyaparambil <aravindh.puthiyaparambil@unisys.com>
- * Updates: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> for ia64
- */
-
-#ifndef _MINIOS_HYPERVISOR_H_
-#define _MINIOS_HYPERVISOR_H_
-
-#include <mini-os/types.h>
-#include <xen/xen.h>
-#if defined(__i386__)
-#include <mini-os/x86/x86_32/hypercall-x86_32.h>
-#elif defined(__x86_64__)
-#include <mini-os/x86/x86_64/hypercall-x86_64.h>
-#else
-#error "Unsupported architecture"
-#endif
-#include <mini-os/machine/traps.h>
-
-/*
- * a placeholder for the start of day information passed up from the hypervisor
- */
-union start_info_union
-{
- start_info_t start_info;
- char padding[512];
-};
-extern union start_info_union _minios_start_info_union;
-#define start_info (_minios_start_info_union.start_info)
-
-/* hypervisor.c */
-void minios_force_evtchn_callback(void);
-void minios_do_hypervisor_callback(struct pt_regs *regs);
-void minios_mask_evtchn(uint32_t port);
-void minios_unmask_evtchn(uint32_t port);
-void minios_clear_evtchn(uint32_t port);
-
-extern int _minios_in_hypervisor_callback;
-
-#endif /* __MINIOS_HYPERVISOR_H__ */
+++ /dev/null
-/**
- * Copyright (C) 2009 Netronome Systems, Inc. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-
-#ifndef _MINIOS_IOREMAP_H_
-#define _MINIOS_IOREMAP_H_
-
-void *ioremap(unsigned long phys_addr, unsigned long size);
-void *ioremap_nocache(unsigned long phys_addr, unsigned long size);
-void iounmap(void *virt_addr, unsigned long size);
-
-#endif /* _MINIOS_IOREMAP_H_ */
-
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 indent-tabs-mode:nil -*- */
+++ /dev/null
-#ifndef _MINIOS_KERNEL_H_
-#define _MINIOS_KERNEL_H_
-
-extern int app_main(start_info_t *);
-
-extern void minios_do_exit(void) __attribute__((noreturn));
-extern void minios_stop_kernel(void);
-
-/* Values should mirror SHUTDOWN_* in xen/sched.h */
-#define MINIOS_HALT_POWEROFF 0
-#define MINIOS_HALT_CRASH 3
-extern void minios_do_halt(int reason) __attribute__((noreturn));
-
-#endif /* _MINIOS_KERNEL_H_ */
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- ****************************************************************************
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- ****************************************************************************
- *
- * File: lib.h
- * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
- * Changes:
- *
- * Date: Aug 2003
- *
- * Environment: Xen Minimal OS
- * Description: Random useful library functions, contains some freebsd stuff
- *
- ****************************************************************************
- * $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
- ****************************************************************************
- *
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#ifndef _MINIOS_LIB_H_
-#define _MINIOS_LIB_H_
-
-#include <xen/xen.h>
-#include <xen/event_channel.h>
-#include "gntmap.h"
-
-#include <mini-os/console.h>
-
-#define RAND_MIX 2654435769U
-
-int rand(void);
-
-#include <mini-os/xenbus.h>
-
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-#define ASSERT(x) \
-do { \
- if (!(x)) { \
- minios_printk("ASSERTION FAILED: %s at %s:%d.\n", \
- # x , \
- __FILE__, \
- __LINE__); \
- BUG(); \
- } \
-} while(0)
-
-#define BUG_ON(x) ASSERT(!(x))
-
-/* Consistency check as much as possible. */
-void sanity_check(void);
-
-
-#endif /* _MINIOS_LIB_H_ */
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- *
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- * Copyright (c) 2005, Keir A Fraser
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef _MINIOS_MM_H_
-#define _MINIOS_MM_H_
-
-#if defined(__i386__)
-#include <xen/arch-x86_32.h>
-#elif defined(__x86_64__)
-#include <xen/arch-x86_64.h>
-#elif defined(__ia64__)
-#include <xen/arch-ia64.h>
-#else
-#error "Unsupported architecture"
-#endif
-
-#include <mini-os/lib.h>
-
-#include <mini-os/machine/limits.h>
-#include <mini-os/machine/mm.h>
-
-#define STACK_SIZE_PAGE_ORDER __STACK_SIZE_PAGE_ORDER
-#define STACK_SIZE __STACK_SIZE
-
-
-void init_mm(void);
-unsigned long minios_alloc_pages(int order);
-#define minios_alloc_page() minios_alloc_pages(0)
-void minios_free_pages(void *pointer, int order);
-#define minios_free_page(p) minios_free_pages(p, 0)
-
-static __inline__ int get_order(unsigned long size)
-{
- int order;
- size = (size-1) >> PAGE_SHIFT;
- for ( order = 0; size; order++ )
- size >>= 1;
- return order;
-}
-
-void arch_init_demand_mapping_area(unsigned long max_pfn);
-void arch_init_mm(unsigned long* start_pfn_p, unsigned long* max_pfn_p);
-void arch_init_p2m(unsigned long max_pfn_p);
-
-unsigned long allocate_ondemand(unsigned long n, unsigned long alignment);
-/* map f[i*stride]+i*increment for i in 0..n-1, aligned on alignment pages */
-void *map_frames_ex(const unsigned long *f, unsigned long n, unsigned long stride,
- unsigned long increment, unsigned long alignment, domid_t id,
- int *err, unsigned long prot);
-void do_map_frames(unsigned long addr,
- const unsigned long *f, unsigned long n, unsigned long stride,
- unsigned long increment, domid_t id, int *err, unsigned long prot);
-int unmap_frames(unsigned long va, unsigned long num_frames);
-unsigned long alloc_contig_pages(int order, unsigned int addr_bits);
-
-int free_physical_pages(xen_pfn_t *mfns, int n);
-void fini_mm(void);
-uint64_t minios_get_memsize(void);
-
-#endif /* _MINIOS_MM_H_ */
+++ /dev/null
-#ifndef _MINIOS_NETFRONT_H_
-#define _MINIOS_NETFRONT_H_
-
-#include <mini-os/wait.h>
-struct netfront_dev;
-struct netfront_dev *netfront_init(char *nodename, void (*netif_rx)(struct netfront_dev *, unsigned char *data, int len), unsigned char rawmac[6], char **ip, void *priv);
-void netfront_xmit(struct netfront_dev *dev, unsigned char* data,int len);
-void netfront_shutdown(struct netfront_dev *dev);
-
-void *netfront_get_private(struct netfront_dev *);
-
-extern struct wait_queue_head netfront_queue;
-
-#endif /* _MINIOS_NETFRONT_H_ */
+++ /dev/null
-#ifndef _MINIOS_OS_H_
-#define _MINIOS_OS_H_
-
-#define smp_processor_id() 0
-#define unlikely(x) __builtin_expect((x),0)
-#define likely(x) __builtin_expect((x),1)
-
-#include <mini-os/hypervisor.h>
-
-#ifndef __RUMP_KERNEL__
-
-#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
-#define __builtin_expect(x, expected_value) (x)
-#endif
-
-#ifndef __ASSEMBLY__
-#include <mini-os/types.h>
-#include <mini-os/kernel.h>
-#endif
-
-#define USED __attribute__ ((used))
-
-#define BUG minios_do_exit
-
-#include <mini-os/machine/os.h>
-
-#endif /* !__RUMP_KERNEL__ */
-
-#endif /* _MINIOS_OS_H_ */
+++ /dev/null
-#ifndef _MINIOS_PCIFRONT_H_
-#define _MINIOS_PCIFRONT_H_
-
-#include <mini-os/types.h>
-#include <xen/io/pciif.h>
-struct pcifront_dev;
-void pcifront_watches(void *opaque);
-struct pcifront_dev *init_pcifront(char *nodename);
-void pcifront_op(struct pcifront_dev *dev, struct xen_pci_op *op);
-void pcifront_scan(struct pcifront_dev *dev, void (*fun)(unsigned int domain, unsigned int bus, unsigned slot, unsigned int fun));
-int pcifront_conf_read(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun,
- unsigned int off, unsigned int size, unsigned int *val);
-int pcifront_conf_write(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun,
- unsigned int off, unsigned int size, unsigned int val);
-int pcifront_enable_msi(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun);
-int pcifront_disable_msi(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun);
-int pcifront_enable_msix(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun,
- struct xen_msix_entry *entries, int n);
-int pcifront_disable_msix(struct pcifront_dev *dev,
- unsigned int dom,
- unsigned int bus, unsigned int slot, unsigned long fun);
-void shutdown_pcifront(struct pcifront_dev *dev);
-
-#endif /* _MINIOS_PCIFRONT_H_ */
+++ /dev/null
-#ifndef MINIOS_QUEUE_H__
-#define MINIOS_QUEUE_H__
-
-#include <sys/queue.h>
-
-#define MINIOS_SLIST_EMPTY SLIST_EMPTY
-#define MINIOS_SLIST_ENTRY SLIST_ENTRY
-#define MINIOS_SLIST_FIRST SLIST_FIRST
-#define MINIOS_SLIST_FOREACH SLIST_FOREACH
-#define MINIOS_SLIST_FOREACH_SAFE SLIST_FOREACH_SAFE
-#define MINIOS_SLIST_HEAD SLIST_HEAD
-#define MINIOS_SLIST_HEAD_INITIALIZER SLIST_HEAD_INITIALIZER
-#define MINIOS_SLIST_INIT SLIST_INIT
-#define MINIOS_SLIST_INSERT_AFTER SLIST_INSERT_AFTER
-#define MINIOS_SLIST_INSERT_HEAD SLIST_INSERT_HEAD
-#define MINIOS_SLIST_NEXT SLIST_NEXT
-#define MINIOS_SLIST_REMOVE_AFTER SLIST_REMOVE_AFTER
-#define MINIOS_SLIST_REMOVE_HEAD SLIST_REMOVE_HEAD
-#define MINIOS_SLIST_REMOVE SLIST_REMOVE
-#define MINIOS_SLIST_SWAP SLIST_SWAP
-#define MINIOS_STAILQ_CONCAT STAILQ_CONCAT
-#define MINIOS_STAILQ_EMPTY STAILQ_EMPTY
-#define MINIOS_STAILQ_ENTRY STAILQ_ENTRY
-#define MINIOS_STAILQ_FIRST STAILQ_FIRST
-#define MINIOS_STAILQ_FOREACH STAILQ_FOREACH
-#define MINIOS_STAILQ_FOREACH_SAFE STAILQ_FOREACH_SAFE
-#define MINIOS_STAILQ_HEAD STAILQ_HEAD
-#define MINIOS_STAILQ_HEAD_INITIALIZER STAILQ_HEAD_INITIALIZER
-#define MINIOS_STAILQ_INIT STAILQ_INIT
-#define MINIOS_STAILQ_INSERT_AFTER STAILQ_INSERT_AFTER
-#define MINIOS_STAILQ_INSERT_HEAD STAILQ_INSERT_HEAD
-#define MINIOS_STAILQ_INSERT_TAIL STAILQ_INSERT_TAIL
-#define MINIOS_STAILQ_LAST STAILQ_LAST
-#define MINIOS_STAILQ_NEXT STAILQ_NEXT
-#define MINIOS_STAILQ_REMOVE_AFTER STAILQ_REMOVE_AFTER
-#define MINIOS_STAILQ_REMOVE_HEAD STAILQ_REMOVE_HEAD
-#define MINIOS_STAILQ_REMOVE STAILQ_REMOVE
-#define MINIOS_STAILQ_SWAP STAILQ_SWAP
-#define MINIOS_LIST_EMPTY LIST_EMPTY
-#define MINIOS_LIST_ENTRY LIST_ENTRY
-#define MINIOS_LIST_FIRST LIST_FIRST
-#define MINIOS_LIST_FOREACH LIST_FOREACH
-#define MINIOS_LIST_FOREACH_SAFE LIST_FOREACH_SAFE
-#define MINIOS_LIST_HEAD LIST_HEAD
-#define MINIOS_LIST_HEAD_INITIALIZER LIST_HEAD_INITIALIZER
-#define MINIOS_LIST_INIT LIST_INIT
-#define MINIOS_LIST_INSERT_AFTER LIST_INSERT_AFTER
-#define MINIOS_LIST_INSERT_BEFORE LIST_INSERT_BEFORE
-#define MINIOS_LIST_INSERT_HEAD LIST_INSERT_HEAD
-#define MINIOS_LIST_NEXT LIST_NEXT
-#define MINIOS_LIST_REMOVE LIST_REMOVE
-#define MINIOS_LIST_SWAP LIST_SWAP
-#define MINIOS_TAILQ_CONCAT TAILQ_CONCAT
-#define MINIOS_TAILQ_EMPTY TAILQ_EMPTY
-#define MINIOS_TAILQ_ENTRY TAILQ_ENTRY
-#define MINIOS_TAILQ_FIRST TAILQ_FIRST
-#define MINIOS_TAILQ_FOREACH TAILQ_FOREACH
-#define MINIOS_TAILQ_FOREACH_SAFE TAILQ_FOREACH_SAFE
-#define MINIOS_TAILQ_FOREACH_REVERSE TAILQ_FOREACH_REVERSE
-#define MINIOS_TAILQ_FOREACH_REVERSE_SAFE TAILQ_FOREACH_REVERSE_SAFE
-#define MINIOS_TAILQ_HEAD TAILQ_HEAD
-#define MINIOS_TAILQ_HEAD_INITIALIZER TAILQ_HEAD_INITIALIZER
-#define MINIOS_TAILQ_INIT TAILQ_INIT
-#define MINIOS_TAILQ_INSERT_AFTER TAILQ_INSERT_AFTER
-#define MINIOS_TAILQ_INSERT_BEFORE TAILQ_INSERT_BEFORE
-#define MINIOS_TAILQ_INSERT_HEAD TAILQ_INSERT_HEAD
-#define MINIOS_TAILQ_INSERT_TAIL TAILQ_INSERT_TAIL
-#define MINIOS_TAILQ_LAST TAILQ_LAST
-#define MINIOS_TAILQ_NEXT TAILQ_NEXT
-#define MINIOS_TAILQ_PREV TAILQ_PREV
-#define MINIOS_TAILQ_REMOVE TAILQ_REMOVE
-#define MINIOS_TAILQ_SWAP TAILQ_SWAP
-
-#endif /* MINIOS_QUEUE_H__ */
+++ /dev/null
-#ifndef __MINIOS_SCHED_H__
-#define __MINIOS_SCHED_H__
-
-#include <mini-os/time.h>
-#include <mini-os/machine/sched.h>
-
-#include <sys/queue.h>
-
-struct thread {
- const char *name;
- char *stack;
- size_t stack_size;
- struct thread_md md;
- TAILQ_ENTRY(thread) thread_list;
- uint32_t flags;
- s_time_t wakeup_time;
- int threrrno;
- void *lwp;
- void *cookie;
-};
-
-extern struct thread *idle_thread;
-void idle_thread_fn(void *unused);
-
-#define RUNNABLE_FLAG 0x00000001
-#define THREAD_MUSTJOIN 0x00000002
-#define THREAD_JOINED 0x00000004
-#define THREAD_EXTSTACK 0x00000008
-#define THREAD_TIMEDOUT 0x00000010
-
-#define is_runnable(_thread) (_thread->flags & RUNNABLE_FLAG)
-#define set_runnable(_thread) (_thread->flags |= RUNNABLE_FLAG)
-#define clear_runnable(_thread) (_thread->flags &= ~RUNNABLE_FLAG)
-
-void switch_threads(struct thread *prev, struct thread *next);
-
- /* Architecture specific setup of thread creation. */
-struct thread* arch_create_thread(const char *name, void (*function)(void *),
- void *data, void *stack);
-
-void init_sched(void);
-void run_idle_thread(void);
-struct thread* minios_create_thread(const char *name, void *cookie,
- void (*f)(void *), void *data, void *stack);
-void minios_exit_thread(void) __attribute__((noreturn));
-void minios_join_thread(struct thread *);
-void minios_set_sched_hook(void (*hook)(void *, void *));
-struct thread *minios_init_mainlwp(void *cookie);
-void minios_schedule(void);
-
-#define current get_current()
-
-void minios_wake(struct thread *thread);
-void minios_block(struct thread *thread);
-int minios_msleep(uint32_t millisecs);
-int minios_absmsleep(uint32_t millisecs);
-
-#endif /* __MINIOS_SCHED_H__ */
+++ /dev/null
-#ifndef _MINIOS_SEMAPHORE_H_
-#define _MINIOS_SEMAPHORE_H_
-
-#include <mini-os/wait.h>
-#include <mini-os/spinlock.h>
-
-/*
- * Implementation of semaphore in Mini-os is simple, because
- * there are no preemptive threads, the atomicity is guaranteed.
- */
-
-struct semaphore
-{
- int count;
- struct wait_queue_head wait;
-};
-
-/*
- * the semaphore definition
- */
-struct rw_semaphore {
- signed long count;
- spinlock_t wait_lock;
- int debug;
-};
-
-#define __SEMAPHORE_INITIALIZER(name, n) \
-{ \
- .count = n, \
- .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
-}
-
-#define __MUTEX_INITIALIZER(name) \
- __SEMAPHORE_INITIALIZER(name,1)
-
-#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
- struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
-
-#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
-
-#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
-
-static inline void init_SEMAPHORE(struct semaphore *sem, int count)
-{
- sem->count = count;
- minios_init_waitqueue_head(&sem->wait);
-}
-
-#define init_MUTEX(sem) init_SEMAPHORE(sem, 1)
-
-static inline int trydown(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 0;
- local_irq_save(flags);
- if (sem->count > 0) {
- ret = 1;
- sem->count--;
- }
- local_irq_restore(flags);
- return ret;
-}
-
-static void inline down(struct semaphore *sem)
-{
- unsigned long flags;
- while (1) {
- minios_wait_event(sem->wait, sem->count > 0);
- local_irq_save(flags);
- if (sem->count > 0)
- break;
- local_irq_restore(flags);
- }
- sem->count--;
- local_irq_restore(flags);
-}
-
-static void inline up(struct semaphore *sem)
-{
- unsigned long flags;
- local_irq_save(flags);
- sem->count++;
- minios_wake_up(&sem->wait);
- local_irq_restore(flags);
-}
-
-/* FIXME! Thre read/write semaphores are unimplemented! */
-static inline void init_rwsem(struct rw_semaphore *sem)
-{
- sem->count = 1;
-}
-
-static inline void down_read(struct rw_semaphore *sem)
-{
-}
-
-
-static inline void up_read(struct rw_semaphore *sem)
-{
-}
-
-static inline void up_write(struct rw_semaphore *sem)
-{
-}
-
-static inline void down_write(struct rw_semaphore *sem)
-{
-}
-
-#endif /* _MINIOS_SEMAPHORE_H */
+++ /dev/null
-#ifndef __MINIOS_ASM_SPINLOCK_H
-#define __MINIOS_ASM_SPINLOCK_H
-
-#ifndef __RUMP_KERNEL__
-#include <mini-os/lib.h>
-#endif
-
-/*
- * Your basic SMP spinlocks, allowing only a single CPU anywhere
- */
-
-typedef struct {
- volatile unsigned int slock;
-} spinlock_t;
-
-
-#include <mini-os/machine/spinlock.h>
-
-
-#define SPINLOCK_MAGIC 0xdead4ead
-
-#define SPIN_LOCK_UNLOCKED ARCH_SPIN_LOCK_UNLOCKED
-
-#define spin_lock_init(x) do { *(x) = SPIN_LOCK_UNLOCKED; } while(0)
-
-/*
- * Simple spin lock operations. There are two variants, one clears IRQ's
- * on the local processor, one does not.
- *
- * We make no fairness assumptions. They have a cost.
- */
-
-#define spin_is_locked(x) arch_spin_is_locked(x)
-
-#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
-
-
-#define _spin_trylock(lock) ({_raw_spin_trylock(lock) ? \
- 1 : ({ 0;});})
-
-#define _spin_lock(lock) \
-do { \
- _raw_spin_lock(lock); \
-} while(0)
-
-#define _spin_unlock(lock) \
-do { \
- _raw_spin_unlock(lock); \
-} while (0)
-
-
-#define spin_lock(lock) _spin_lock(lock)
-#define spin_unlock(lock) _spin_unlock(lock)
-
-#define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
-
-#endif
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- ****************************************************************************
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- * (C) 2005 - Grzegorz Milos - Intel Research Cambridge
- ****************************************************************************
- *
- * File: time.h
- * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
- * Changes: Grzegorz Milos (gm281@cam.ac.uk)
- * Robert Kaiser (kaiser@informatik.fh-wiesbaden.de)
- *
- * Date: Jul 2003, changes: Jun 2005, Sep 2006
- *
- * Environment: Xen Minimal OS
- * Description: Time and timer functions
- *
- ****************************************************************************
- */
-
-#ifndef _MINIOS_TIME_H_
-#define _MINIOS_TIME_H_
-#include <mini-os/types.h>
-
-/*
- * System Time
- * 64 bit value containing the nanoseconds elapsed since boot time.
- * This value is adjusted by frequency drift.
- * NOW() returns the current time.
- * The other macros are for convenience to approximate short intervals
- * of real time into system time
- */
-typedef int64_t s_time_t;
-#define NOW() ((s_time_t)monotonic_clock())
-#define SECONDS(_s) (((s_time_t)(_s)) * 1000000000UL )
-#define TENTHS(_ts) (((s_time_t)(_ts)) * 100000000UL )
-#define HUNDREDTHS(_hs) (((s_time_t)(_hs)) * 10000000UL )
-#define MILLISECS(_ms) (((s_time_t)(_ms)) * 1000000UL )
-#define MICROSECS(_us) (((s_time_t)(_us)) * 1000UL )
-#define Time_Max ((s_time_t) 0x7fffffffffffffffLL)
-#define FOREVER Time_Max
-#define NSEC_TO_USEC(_nsec) ((_nsec) / 1000UL)
-#define NSEC_TO_MSEC(_nsec) ((_nsec) / 1000000ULL)
-#define NSEC_TO_SEC(_nsec) ((_nsec) / 1000000000ULL)
-
-#include <sys/time.h>
-
-
-/* prototypes */
-void init_time(void);
-void fini_time(void);
-s_time_t get_s_time(void);
-s_time_t get_v_time(void);
-uint64_t monotonic_clock(void);
-void block_domain(s_time_t until);
-
-#endif /* _MINIOS_TIME_H_ */
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- ****************************************************************************
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- ****************************************************************************
- *
- * File: types.h
- * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
- * Changes:
- *
- * Date: May 2003
- *
- * Environment: Xen Minimal OS
- * Description: a random collection of type definitions
- *
- ****************************************************************************
- * $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
- ****************************************************************************
- */
-
-#ifndef _MINIOS_TYPES_H_
-#define _MINIOS_TYPES_H_
-
-#include <sys/types.h>
-#include <stdint.h>
-#include <stddef.h>
-
-#ifdef __i386__
-typedef struct { unsigned long pte_low, pte_high; } pte_t;
-
-#elif defined(__x86_64__) || defined(__ia64__)
-
-typedef struct { unsigned long pte; } pte_t;
-#endif /* __i386__ || __x86_64__ */
-
-#ifdef __x86_64__
-#define __pte(x) ((pte_t) { (x) } )
-#else
-#define __pte(x) ({ unsigned long long _x = (x); \
- ((pte_t) {(unsigned long)(_x), (unsigned long)(_x>>32)}); })
-#endif
-
-#endif /* _MINIOS_TYPES_H_ */
+++ /dev/null
-#ifndef __MINIOS_WAIT_H__
-#define __MINIOS_WAIT_H__
-
-#include <mini-os/sched.h>
-#include <mini-os/os.h>
-#include <mini-os/waittypes.h>
-
-#include <sys/queue.h>
-
-#define DEFINE_WAIT(name) \
-struct wait_queue name = { \
- .thread = get_current(), \
- .waiting = 0, \
-}
-
-
-static inline void minios_init_waitqueue_head(struct wait_queue_head *h)
-{
- STAILQ_INIT(h);
-}
-
-static inline void minios_init_waitqueue_entry(struct wait_queue *q, struct thread *thread)
-{
- q->thread = thread;
- q->waiting = 0;
-}
-
-static inline void minios_add_wait_queue(struct wait_queue_head *h, struct wait_queue *q)
-{
- if (!q->waiting) {
- STAILQ_INSERT_HEAD(h, q, thread_list);
- q->waiting = 1;
- }
-}
-
-static inline void minios_remove_wait_queue(struct wait_queue_head *h, struct wait_queue *q)
-{
- if (q->waiting) {
- STAILQ_REMOVE(h, q, wait_queue, thread_list);
- q->waiting = 0;
- }
-}
-
-static inline void minios_wake_up(struct wait_queue_head *head)
-{
- unsigned long flags;
- struct wait_queue *curr, *tmp;
- local_irq_save(flags);
- STAILQ_FOREACH_SAFE(curr, head, thread_list, tmp)
- minios_wake(curr->thread);
- local_irq_restore(flags);
-}
-
-#define minios_add_waiter(w, wq) do { \
- unsigned long flags; \
- local_irq_save(flags); \
- minios_add_wait_queue(&wq, &w); \
- minios_block(get_current()); \
- local_irq_restore(flags); \
-} while (0)
-
-#define minios_remove_waiter(w, wq) do { \
- unsigned long flags; \
- local_irq_save(flags); \
- minios_remove_wait_queue(&wq, &w); \
- local_irq_restore(flags); \
-} while (0)
-
-#define minios_wait_event_deadline(wq, condition, deadline) do { \
- unsigned long flags; \
- DEFINE_WAIT(__wait); \
- if(condition) \
- break; \
- for(;;) \
- { \
- /* protect the list */ \
- local_irq_save(flags); \
- minios_add_wait_queue(&wq, &__wait); \
- get_current()->wakeup_time = deadline; \
- clear_runnable(get_current()); \
- local_irq_restore(flags); \
- if((condition) || (deadline && NOW() >= deadline)) \
- break; \
- minios_schedule(); \
- } \
- local_irq_save(flags); \
- /* need to wake up */ \
- minios_wake(get_current()); \
- minios_remove_wait_queue(&wq, &__wait); \
- local_irq_restore(flags); \
-} while(0)
-
-#define minios_wait_event(wq, condition) minios_wait_event_deadline(wq, condition, 0)
-
-
-
-#endif /* __MINIOS_WAIT_H__ */
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
+++ /dev/null
-#ifndef __MINIOS_WAITTYPE_H__
-#define __MINIOS_WAITTYPE_H__
-
-#include <sys/queue.h>
-
-struct thread;
-struct wait_queue
-{
- int waiting;
- struct thread *thread;
- STAILQ_ENTRY(wait_queue) thread_list;
-};
-
-/* TODO - lock required? */
-STAILQ_HEAD(wait_queue_head, wait_queue);
-
-#define DECLARE_WAIT_QUEUE_HEAD(name) \
- struct wait_queue_head name = STAILQ_HEAD_INITIALIZER(name)
-
-#define __WAIT_QUEUE_HEAD_INITIALIZER(name) STAILQ_HEAD_INITIALIZER(name)
-
-#endif
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
+++ /dev/null
-
-#ifndef __ARCH_LIMITS_H__
-#define __ARCH_LIMITS_H__
-
-#define __PAGE_SHIFT 12
-
-#ifdef __ASSEMBLY__
-#define __PAGE_SIZE (1 << __PAGE_SHIFT)
-#else
-#ifdef __x86_64__
-#define __PAGE_SIZE (1UL << __PAGE_SHIFT)
-#else
-#define __PAGE_SIZE (1ULL << __PAGE_SHIFT)
-#endif
-#endif
-
-#define __STACK_SIZE_PAGE_ORDER 4
-#define __STACK_SIZE (__PAGE_SIZE * (1 << __STACK_SIZE_PAGE_ORDER))
-
-#endif /* __ARCH_LIMITS_H__ */
+++ /dev/null
-/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
- *
- * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
- * Copyright (c) 2005, Keir A Fraser
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef _ARCH_MM_H_
-#define _ARCH_MM_H_
-
-#ifndef __ASSEMBLY__
-#include <xen/xen.h>
-#if defined(__i386__)
-#include <xen/arch-x86_32.h>
-#elif defined(__x86_64__)
-#include <xen/arch-x86_64.h>
-#else
-#error "Unsupported architecture"
-#endif
-#endif
-
-#ifndef __RUMP_KERNEL__
-
-#define L1_FRAME 1
-#define L2_FRAME 2
-#define L3_FRAME 3
-
-#define L1_PAGETABLE_SHIFT 12
-
-#if defined(__i386__)
-
-#define L2_PAGETABLE_SHIFT 21
-#define L3_PAGETABLE_SHIFT 30
-
-#define L1_PAGETABLE_ENTRIES 512
-#define L2_PAGETABLE_ENTRIES 512
-#define L3_PAGETABLE_ENTRIES 4
-
-#define PADDR_BITS 44
-#define PADDR_MASK ((1ULL << PADDR_BITS)-1)
-
-#define L2_MASK ((1UL << L3_PAGETABLE_SHIFT) - 1)
-
-/*
- * If starting from virtual address greater than 0xc0000000,
- * this value will be 2 to account for final mid-level page
- * directory which is always mapped in at this location.
- */
-#define NOT_L1_FRAMES 3
-#define PRIpte "016llx"
-#ifndef __ASSEMBLY__
-typedef uint64_t pgentry_t;
-#endif
-
-#elif defined(__x86_64__)
-
-#define L2_PAGETABLE_SHIFT 21
-#define L3_PAGETABLE_SHIFT 30
-#define L4_PAGETABLE_SHIFT 39
-
-#define L1_PAGETABLE_ENTRIES 512
-#define L2_PAGETABLE_ENTRIES 512
-#define L3_PAGETABLE_ENTRIES 512
-#define L4_PAGETABLE_ENTRIES 512
-
-/* These are page-table limitations. Current CPUs support only 40-bit phys. */
-#define PADDR_BITS 52
-#define VADDR_BITS 48
-#define PADDR_MASK ((1UL << PADDR_BITS)-1)
-#define VADDR_MASK ((1UL << VADDR_BITS)-1)
-
-#define L2_MASK ((1UL << L3_PAGETABLE_SHIFT) - 1)
-#define L3_MASK ((1UL << L4_PAGETABLE_SHIFT) - 1)
-
-#define NOT_L1_FRAMES 3
-#define PRIpte "016lx"
-#ifndef __ASSEMBLY__
-typedef unsigned long pgentry_t;
-#endif
-
-#endif
-
-#define L1_MASK ((1UL << L2_PAGETABLE_SHIFT) - 1)
-
-/* Given a virtual address, get an entry offset into a page table. */
-#define l1_table_offset(_a) \
- (((_a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1))
-#define l2_table_offset(_a) \
- (((_a) >> L2_PAGETABLE_SHIFT) & (L2_PAGETABLE_ENTRIES - 1))
-#define l3_table_offset(_a) \
- (((_a) >> L3_PAGETABLE_SHIFT) & (L3_PAGETABLE_ENTRIES - 1))
-#if defined(__x86_64__)
-#define l4_table_offset(_a) \
- (((_a) >> L4_PAGETABLE_SHIFT) & (L4_PAGETABLE_ENTRIES - 1))
-#endif
-
-#define _PAGE_PRESENT 0x001ULL
-#define _PAGE_RW 0x002ULL
-#define _PAGE_USER 0x004ULL
-#define _PAGE_PWT 0x008ULL
-#define _PAGE_PCD 0x010ULL
-#define _PAGE_ACCESSED 0x020ULL
-#define _PAGE_DIRTY 0x040ULL
-#define _PAGE_PAT 0x080ULL
-#define _PAGE_PSE 0x080ULL
-#define _PAGE_GLOBAL 0x100ULL
-
-#if defined(__i386__)
-#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED)
-#define L1_PROT_RO (_PAGE_PRESENT|_PAGE_ACCESSED)
-#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY |_PAGE_USER)
-#define L3_PROT (_PAGE_PRESENT)
-#elif defined(__x86_64__)
-#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_USER)
-#define L1_PROT_RO (_PAGE_PRESENT|_PAGE_ACCESSED|_PAGE_USER)
-#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-#define L3_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-#define L4_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
-#endif /* __i386__ || __x86_64__ */
-
-/* flags for ioremap */
-#define IO_PROT (L1_PROT)
-#define IO_PROT_NOCACHE (L1_PROT | _PAGE_PCD)
-
-/* for P2M */
-#define INVALID_P2M_ENTRY (~0UL)
-
-#include <mini-os/machine/limits.h>
-#define PAGE_SIZE __PAGE_SIZE
-#define PAGE_SHIFT __PAGE_SHIFT
-#define PAGE_MASK (~(PAGE_SIZE-1))
-
-#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> L1_PAGETABLE_SHIFT)
-#define PFN_DOWN(x) ((x) >> L1_PAGETABLE_SHIFT)
-#define PFN_PHYS(x) ((uint64_t)(x) << L1_PAGETABLE_SHIFT)
-#define PHYS_PFN(x) ((x) >> L1_PAGETABLE_SHIFT)
-
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-
-#ifndef __ASSEMBLY__
-/* Definitions for machine and pseudophysical addresses. */
-#ifdef __i386__
-typedef unsigned long long paddr_t;
-typedef unsigned long long maddr_t;
-#else
-typedef unsigned long paddr_t;
-typedef unsigned long maddr_t;
-#endif
-
-extern unsigned long *_minios_phys_to_machine_mapping;
-extern char _text, _etext, _erodata, _edata, _end;
-extern unsigned long _minios_mfn_zero;
-#define pfn_to_mfn(_pfn) (_minios_phys_to_machine_mapping[(_pfn)])
-static __inline__ maddr_t phys_to_machine(paddr_t phys)
-{
- maddr_t machine = pfn_to_mfn(phys >> PAGE_SHIFT);
- machine = (machine << PAGE_SHIFT) | (phys & ~PAGE_MASK);
- return machine;
-}
-
-#define mfn_to_pfn(_mfn) (machine_to_phys_mapping[(_mfn)])
-static __inline__ paddr_t machine_to_phys(maddr_t machine)
-{
- paddr_t phys = mfn_to_pfn(machine >> PAGE_SHIFT);
- phys = (phys << PAGE_SHIFT) | (machine & ~PAGE_MASK);
- return phys;
-}
-#endif
-
-#define VIRT_START ((unsigned long)&_text)
-
-#define to_phys(x) ((unsigned long)(x)-VIRT_START)
-#define to_virt(x) ((void *)((unsigned long)(x)+VIRT_START))
-
-#define virt_to_pfn(_virt) (PFN_DOWN(to_phys(_virt)))
-#define virt_to_mfn(_virt) (pfn_to_mfn(virt_to_pfn(_virt)))
-#define mach_to_virt(_mach) (to_virt(machine_to_phys(_mach)))
-#define virt_to_mach(_virt) (phys_to_machine(to_phys(_virt)))
-#define mfn_to_virt(_mfn) (to_virt(mfn_to_pfn(_mfn) << PAGE_SHIFT))
-#define pfn_to_virt(_pfn) (to_virt((_pfn) << PAGE_SHIFT))
-
-/* Pagetable walking. */
-#define pte_to_mfn(_pte) (((_pte) & (PADDR_MASK&PAGE_MASK)) >> L1_PAGETABLE_SHIFT)
-#define pte_to_virt(_pte) to_virt(mfn_to_pfn(pte_to_mfn(_pte)) << PAGE_SHIFT)
-
-
-#define PT_BASE ((pgentry_t *)start_info.pt_base)
-
-#ifdef __x86_64__
-#define virtual_to_l3(_virt) ((pgentry_t *)pte_to_virt(PT_BASE[l4_table_offset(_virt)]))
-#else
-#define virtual_to_l3(_virt) PT_BASE
-#endif
-
-#define virtual_to_l2(_virt) ({ \
- unsigned long __virt2 = (_virt); \
- (pgentry_t *) pte_to_virt(virtual_to_l3(__virt2)[l3_table_offset(__virt2)]); \
-})
-
-#define virtual_to_l1(_virt) ({ \
- unsigned long __virt1 = (_virt); \
- (pgentry_t *) pte_to_virt(virtual_to_l2(__virt1)[l2_table_offset(__virt1)]); \
-})
-
-#define virtual_to_pte(_virt) ({ \
- unsigned long __virt0 = (unsigned long) (_virt); \
- virtual_to_l1(__virt0)[l1_table_offset(__virt0)]; \
-})
-#define virtual_to_mfn(_virt) pte_to_mfn(virtual_to_pte(_virt))
-
-#define map_frames(f, n) map_frames_ex(f, n, 1, 0, 1, DOMID_SELF, NULL, L1_PROT)
-#define map_zero(n, a) map_frames_ex(&mfn_zero, n, 0, 0, a, DOMID_SELF, NULL, L1_PROT_RO)
-#define do_map_zero(start, n) do_map_frames(start, &mfn_zero, n, 0, 0, DOMID_SELF, NULL, L1_PROT_RO)
-
-pgentry_t *need_pgt(unsigned long addr);
-int mfn_is_ram(unsigned long mfn);
-
-#endif /* !__RUMP_KERNEL__ */
-
-#endif /* _ARCH_MM_H_ */
+++ /dev/null
-/******************************************************************************
- * os.h
- *
- * random collection of macros and definition
- */
-
-#ifndef _MINIOS_X86_OS_H_
-#define _MINIOS_X86_OS_H_
-
-#include <xen/xen.h>
-
-#define __KERNEL_CS FLAT_KERNEL_CS
-#define __KERNEL_DS FLAT_KERNEL_DS
-#define __KERNEL_SS FLAT_KERNEL_SS
-
-#define TRAP_divide_error 0
-#define TRAP_debug 1
-#define TRAP_nmi 2
-#define TRAP_int3 3
-#define TRAP_overflow 4
-#define TRAP_bounds 5
-#define TRAP_invalid_op 6
-#define TRAP_no_device 7
-#define TRAP_double_fault 8
-#define TRAP_copro_seg 9
-#define TRAP_invalid_tss 10
-#define TRAP_no_segment 11
-#define TRAP_stack_error 12
-#define TRAP_gp_fault 13
-#define TRAP_page_fault 14
-#define TRAP_spurious_int 15
-#define TRAP_copro_error 16
-#define TRAP_alignment_check 17
-#define TRAP_machine_check 18
-#define TRAP_simd_error 19
-#define TRAP_deferred_nmi 31
-
-/* Everything below this point is not included by assembler (.S) files. */
-#ifndef __ASSEMBLY__
-
-extern shared_info_t *HYPERVISOR_shared_info;
-
-void trap_init(void);
-void trap_fini(void);
-
-void arch_init(start_info_t *si);
-void arch_print_info(void);
-void arch_fini(void);
-
-
-
-
-
-/*
- * The use of 'barrier' in the following reflects their use as local-lock
- * operations. Reentrancy must be prevented (e.g., __cli()) /before/ following
- * critical operations are executed. All critical operations must complete
- * /before/ reentrancy is permitted (e.g., __sti()). Alpha architecture also
- * includes these barriers, for example.
- */
-
-#define __cli() \
-do { \
- vcpu_info_t *_vcpu; \
- _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
- _vcpu->evtchn_upcall_mask = 1; \
- barrier(); \
-} while (0)
-
-#define __sti() \
-do { \
- vcpu_info_t *_vcpu; \
- barrier(); \
- _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
- _vcpu->evtchn_upcall_mask = 0; \
- barrier(); /* unmask then check (avoid races) */ \
- if ( unlikely(_vcpu->evtchn_upcall_pending) ) \
- minios_force_evtchn_callback(); \
-} while (0)
-
-#define __save_flags(x) \
-do { \
- vcpu_info_t *_vcpu; \
- _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
- (x) = _vcpu->evtchn_upcall_mask; \
-} while (0)
-
-#define __restore_flags(x) \
-do { \
- vcpu_info_t *_vcpu; \
- barrier(); \
- _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
- if ((_vcpu->evtchn_upcall_mask = (x)) == 0) { \
- barrier(); /* unmask then check (avoid races) */ \
- if ( unlikely(_vcpu->evtchn_upcall_pending) ) \
- minios_force_evtchn_callback(); \
- }\
-} while (0)
-
-#define safe_halt() ((void)0)
-
-#define __save_and_cli(x) \
-do { \
- vcpu_info_t *_vcpu; \
- _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
- (x) = _vcpu->evtchn_upcall_mask; \
- _vcpu->evtchn_upcall_mask = 1; \
- barrier(); \
-} while (0)
-
-#define local_irq_save(x) __save_and_cli(x)
-#define local_irq_restore(x) __restore_flags(x)
-#define local_save_flags(x) __save_flags(x)
-#define local_irq_disable() __cli()
-#define local_irq_enable() __sti()
-
-#define irqs_disabled() \
- HYPERVISOR_shared_info->vcpu_info[smp_processor_id()].evtchn_upcall_mask
-
-/* This is a barrier for the compiler only, NOT the processor! */
-#define barrier() __asm__ __volatile__("": : :"memory")
-
-#if defined(__i386__)
-#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
-#define rmb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
-#define wmb() __asm__ __volatile__ ("": : :"memory")
-#elif defined(__x86_64__)
-#define mb() __asm__ __volatile__ ("mfence":::"memory")
-#define rmb() __asm__ __volatile__ ("lfence":::"memory")
-#define wmb() __asm__ __volatile__ ("sfence" ::: "memory") /* From CONFIG_UNORDERED_IO (linux) */
-#endif
-
-
-#define LOCK_PREFIX ""
-#define LOCK ""
-#define ADDR (*(volatile long *) addr)
-/*
- * Make sure gcc doesn't try to be clever and move things around
- * on us. We need to use _exactly_ the address the user gave us,
- * not some alias that contains the same information.
- */
-typedef struct { volatile int counter; } atomic_t;
-
-
-/************************** i386 *******************************/
-#if defined (__i386__)
-
-#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
-struct __xchg_dummy { unsigned long a[100]; };
-#define __xg(x) ((struct __xchg_dummy *)(x))
-static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-{
- switch (size) {
- case 1:
- __asm__ __volatile__("xchgb %b0,%1"
- :"=q" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- case 2:
- __asm__ __volatile__("xchgw %w0,%1"
- :"=r" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- case 4:
- __asm__ __volatile__("xchgl %0,%1"
- :"=r" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- }
- return x;
-}
-
-/**
- * test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to clear
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.
- * It can be reorderdered on other architectures other than x86.
- * It also implies a memory barrier.
- */
-static inline int test_and_clear_bit(int nr, volatile unsigned long * addr)
-{
- int oldbit;
-
- __asm__ __volatile__( LOCK
- "btrl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"=m" (ADDR)
- :"Ir" (nr) : "memory");
- return oldbit;
-}
-
-static inline int constant_test_bit(int nr, const volatile unsigned long *addr)
-{
- return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0;
-}
-
-static inline int variable_test_bit(int nr, const volatile unsigned long * addr)
-{
- int oldbit;
-
- __asm__ __volatile__(
- "btl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit)
- :"m" (ADDR),"Ir" (nr));
- return oldbit;
-}
-
-#define test_bit(nr,addr) \
-(__builtin_constant_p(nr) ? \
- constant_test_bit((nr),(addr)) : \
- variable_test_bit((nr),(addr)))
-
-/**
- * set_bit - Atomically set a bit in memory
- * @nr: the bit to set
- * @addr: the address to start counting from
- *
- * This function is atomic and may not be reordered. See __set_bit()
- * if you do not require the atomic guarantees.
- *
- * Note: there are no guarantees that this function will not be reordered
- * on non x86 architectures, so if you are writting portable code,
- * make sure not to rely on its reordering guarantees.
- *
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-static inline void set_bit(int nr, volatile unsigned long * addr)
-{
- __asm__ __volatile__( LOCK
- "btsl %1,%0"
- :"=m" (ADDR)
- :"Ir" (nr));
-}
-
-/**
- * clear_bit - Clears a bit in memory
- * @nr: Bit to clear
- * @addr: Address to start counting from
- *
- * clear_bit() is atomic and may not be reordered. However, it does
- * not contain a memory barrier, so if it is used for locking purposes,
- * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
- * in order to ensure changes are visible on other processors.
- */
-static inline void clear_bit(int nr, volatile unsigned long * addr)
-{
- __asm__ __volatile__( LOCK
- "btrl %1,%0"
- :"=m" (ADDR)
- :"Ir" (nr));
-}
-
-/**
- * __ffs - find first bit in word.
- * @word: The word to search
- *
- * Undefined if no bit exists, so code should check against 0 first.
- */
-static inline unsigned long __ffs(unsigned long word)
-{
- __asm__("bsfl %1,%0"
- :"=r" (word)
- :"rm" (word));
- return word;
-}
-
-
-/*
- * These have to be done with inline assembly: that way the bit-setting
- * is guaranteed to be atomic. All bit operations return 0 if the bit
- * was cleared before the operation and != 0 if it was not.
- *
- * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
- */
-#define ADDR (*(volatile long *) addr)
-
-#define rdtscll(val) \
- __asm__ __volatile__("rdtsc" : "=A" (val))
-
-
-
-#elif defined(__x86_64__)/* ifdef __i386__ */
-/************************** x86_84 *******************************/
-
-#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
-#define __xg(x) ((volatile long *)(x))
-static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-{
- switch (size) {
- case 1:
- __asm__ __volatile__("xchgb %b0,%1"
- :"=q" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- case 2:
- __asm__ __volatile__("xchgw %w0,%1"
- :"=r" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- case 4:
- __asm__ __volatile__("xchgl %k0,%1"
- :"=r" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- case 8:
- __asm__ __volatile__("xchgq %0,%1"
- :"=r" (x)
- :"m" (*__xg(ptr)), "0" (x)
- :"memory");
- break;
- }
- return x;
-}
-
-/**
- * test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to clear
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.
- * It also implies a memory barrier.
- */
-static __inline__ int test_and_clear_bit(int nr, volatile void * addr)
-{
- int oldbit;
-
- __asm__ __volatile__( LOCK_PREFIX
- "btrl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit),"=m" (ADDR)
- :"dIr" (nr) : "memory");
- return oldbit;
-}
-
-static __inline__ int constant_test_bit(int nr, const volatile void * addr)
-{
- return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
-}
-
-static __inline__ int variable_test_bit(int nr, volatile const void * addr)
-{
- int oldbit;
-
- __asm__ __volatile__(
- "btl %2,%1\n\tsbbl %0,%0"
- :"=r" (oldbit)
- :"m" (ADDR),"dIr" (nr));
- return oldbit;
-}
-
-#define test_bit(nr,addr) \
-(__builtin_constant_p(nr) ? \
- constant_test_bit((nr),(addr)) : \
- variable_test_bit((nr),(addr)))
-
-
-/**
- * set_bit - Atomically set a bit in memory
- * @nr: the bit to set
- * @addr: the address to start counting from
- *
- * This function is atomic and may not be reordered. See __set_bit()
- * if you do not require the atomic guarantees.
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-static __inline__ void set_bit(int nr, volatile void * addr)
-{
- __asm__ __volatile__( LOCK_PREFIX
- "btsl %1,%0"
- :"=m" (ADDR)
- :"dIr" (nr) : "memory");
-}
-
-/**
- * clear_bit - Clears a bit in memory
- * @nr: Bit to clear
- * @addr: Address to start counting from
- *
- * clear_bit() is atomic and may not be reordered. However, it does
- * not contain a memory barrier, so if it is used for locking purposes,
- * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
- * in order to ensure changes are visible on other processors.
- */
-static __inline__ void clear_bit(int nr, volatile void * addr)
-{
- __asm__ __volatile__( LOCK_PREFIX
- "btrl %1,%0"
- :"=m" (ADDR)
- :"dIr" (nr));
-}
-
-/**
- * __ffs - find first bit in word.
- * @word: The word to search
- *
- * Undefined if no bit exists, so code should check against 0 first.
- */
-static __inline__ unsigned long __ffs(unsigned long word)
-{
- __asm__("bsfq %1,%0"
- :"=r" (word)
- :"rm" (word));
- return word;
-}
-
-#define ADDR (*(volatile long *) addr)
-
-#define rdtscll(val) do { \
- unsigned int __a,__d; \
- asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
- (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
-} while(0)
-
-#define wrmsr(msr,val1,val2) \
- __asm__ __volatile__("wrmsr" \
- : /* no outputs */ \
- : "c" (msr), "a" (val1), "d" (val2))
-
-#define wrmsrl(msr,val) wrmsr(msr,(uint32_t)((uint64_t)(val)),((uint64_t)(val))>>32)
-
-
-#else /* ifdef __x86_64__ */
-#error "Unsupported architecture"
-#endif
-
-/********************* common i386 and x86_64 ****************************/
-struct __synch_xchg_dummy { unsigned long a[100]; };
-#define __synch_xg(x) ((struct __synch_xchg_dummy *)(x))
-
-#define synch_cmpxchg(ptr, old, new) \
-((__typeof__(*(ptr)))__synch_cmpxchg((ptr),\
- (unsigned long)(old), \
- (unsigned long)(new), \
- sizeof(*(ptr))))
-
-static inline unsigned long __synch_cmpxchg(volatile void *ptr,
- unsigned long old,
- unsigned long new, int size)
-{
- unsigned long prev;
- switch (size) {
- case 1:
- __asm__ __volatile__("lock; cmpxchgb %b1,%2"
- : "=a"(prev)
- : "q"(new), "m"(*__synch_xg(ptr)),
- "0"(old)
- : "memory");
- return prev;
- case 2:
- __asm__ __volatile__("lock; cmpxchgw %w1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__synch_xg(ptr)),
- "0"(old)
- : "memory");
- return prev;
-#ifdef __x86_64__
- case 4:
- __asm__ __volatile__("lock; cmpxchgl %k1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__synch_xg(ptr)),
- "0"(old)
- : "memory");
- return prev;
- case 8:
- __asm__ __volatile__("lock; cmpxchgq %1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__synch_xg(ptr)),
- "0"(old)
- : "memory");
- return prev;
-#else
- case 4:
- __asm__ __volatile__("lock; cmpxchgl %1,%2"
- : "=a"(prev)
- : "r"(new), "m"(*__synch_xg(ptr)),
- "0"(old)
- : "memory");
- return prev;
-#endif
- }
- return old;
-}
-
-
-static __inline__ void synch_set_bit(int nr, volatile void * addr)
-{
- __asm__ __volatile__ (
- "lock btsl %1,%0"
- : "=m" (ADDR) : "Ir" (nr) : "memory" );
-}
-
-static __inline__ void synch_clear_bit(int nr, volatile void * addr)
-{
- __asm__ __volatile__ (
- "lock btrl %1,%0"
- : "=m" (ADDR) : "Ir" (nr) : "memory" );
-}
-
-static __inline__ int synch_test_and_set_bit(int nr, volatile void * addr)
-{
- int oldbit;
- __asm__ __volatile__ (
- "lock btsl %2,%1\n\tsbbl %0,%0"
- : "=r" (oldbit), "=m" (ADDR) : "Ir" (nr) : "memory");
- return oldbit;
-}
-
-static __inline__ int synch_test_and_clear_bit(int nr, volatile void * addr)
-{
- int oldbit;
- __asm__ __volatile__ (
- "lock btrl %2,%1\n\tsbbl %0,%0"
- : "=r" (oldbit), "=m" (ADDR) : "Ir" (nr) : "memory");
- return oldbit;
-}
-
-static __inline__ int synch_const_test_bit(int nr, const volatile void * addr)
-{
- return ((1UL << (nr & 31)) &
- (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
-}
-
-static __inline__ int synch_var_test_bit(int nr, volatile void * addr)
-{
- int oldbit;
- __asm__ __volatile__ (
- "btl %2,%1\n\tsbbl %0,%0"
- : "=r" (oldbit) : "m" (ADDR), "Ir" (nr) );
- return oldbit;
-}
-
-#define synch_test_bit(nr,addr) \
-(__builtin_constant_p(nr) ? \
- synch_const_test_bit((nr),(addr)) : \
- synch_var_test_bit((nr),(addr)))
-
-
-#undef ADDR
-
-#endif /* not assembly */
-#endif /* _MINIOS_X86_OS_H_ */
+++ /dev/null
-
-#ifndef __ARCH_SCHED_H__
-#define __ARCH_SCHED_H__
-
-#include <mini-os/machine/limits.h>
-
-static inline struct thread* get_current(void)
-{
- struct thread **current;
-#ifdef __i386__
- register unsigned long sp asm("esp");
-#else
- register unsigned long sp asm("rsp");
-#endif
- current = (void *)(unsigned long)(sp & ~(__STACK_SIZE-1));
- return *current;
-};
-
-struct thread_md {
- unsigned long thrmd_sp;
- unsigned long thrmd_ip;
-};
-#define thr_sp md.thrmd_sp
-#define thr_ip md.thrmd_ip
-
-extern void _minios_entry_arch_switch_threads(unsigned long *prevctx, unsigned long *nextctx);
-
-#define arch_switch_threads(prev,next) _minios_entry_arch_switch_threads(&(prev)->thr_sp, &(next)->thr_sp)
-
-#endif /* __ARCH_SCHED_H__ */
+++ /dev/null
-
-
-#ifndef __ARCH_ASM_SPINLOCK_H
-#define __ARCH_ASM_SPINLOCK_H
-
-#ifndef __RUMP_KERNEL__
-#include <mini-os/lib.h>
-#endif
-
-#include "os.h"
-
-
-#define ARCH_SPIN_LOCK_UNLOCKED { 1 }
-
-/*
- * Simple spin lock operations. There are two variants, one clears IRQ's
- * on the local processor, one does not.
- *
- * We make no fairness assumptions. They have a cost.
- */
-
-#define arch_spin_is_locked(x) (*(volatile signed char *)(&(x)->slock) <= 0)
-#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
-
-#define spin_lock_string \
- "1:\n" \
- LOCK \
- "decb %0\n\t" \
- "jns 3f\n" \
- "2:\t" \
- "rep;nop\n\t" \
- "cmpb $0,%0\n\t" \
- "jle 2b\n\t" \
- "jmp 1b\n" \
- "3:\n\t"
-
-#define spin_lock_string_flags \
- "1:\n" \
- LOCK \
- "decb %0\n\t" \
- "jns 4f\n\t" \
- "2:\t" \
- "testl $0x200, %1\n\t" \
- "jz 3f\n\t" \
- "#sti\n\t" \
- "3:\t" \
- "rep;nop\n\t" \
- "cmpb $0, %0\n\t" \
- "jle 3b\n\t" \
- "#cli\n\t" \
- "jmp 1b\n" \
- "4:\n\t"
-
-/*
- * This works. Despite all the confusion.
- * (except on PPro SMP or if we are using OOSTORE)
- * (PPro errata 66, 92)
- */
-
-#define spin_unlock_string \
- "xchgb %b0, %1" \
- :"=q" (oldval), "=m" (lock->slock) \
- :"0" (oldval) : "memory"
-
-static inline void _raw_spin_unlock(spinlock_t *lock)
-{
- char oldval = 1;
- __asm__ __volatile__(
- spin_unlock_string
- );
-}
-
-static inline int _raw_spin_trylock(spinlock_t *lock)
-{
- char oldval;
- __asm__ __volatile__(
- "xchgb %b0,%1\n"
- :"=q" (oldval), "=m" (lock->slock)
- :"0" (0) : "memory");
- return oldval > 0;
-}
-
-static inline void _raw_spin_lock(spinlock_t *lock)
-{
- __asm__ __volatile__(
- spin_lock_string
- :"=m" (lock->slock) : : "memory");
-}
-
-static inline void _raw_spin_lock_flags (spinlock_t *lock, unsigned long flags)
-{
- __asm__ __volatile__(
- spin_lock_string_flags
- :"=m" (lock->slock) : "r" (flags) : "memory");
-}
-
-#endif
+++ /dev/null
-/*
- ****************************************************************************
- * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
- ****************************************************************************
- *
- * File: traps.h
- * Author: Grzegorz Milos (gm281@cam.ac.uk)
- *
- * Date: Jun 2005
- *
- * Environment: Xen Minimal OS
- * Description: Deals with traps
- *
- ****************************************************************************
- */
-
-#ifndef _TRAPS_H_
-#define _TRAPS_H_
-
-#ifdef __i386__
-struct pt_regs {
- long ebx;
- long ecx;
- long edx;
- long esi;
- long edi;
- long ebp;
- long eax;
- int xds;
- int xes;
- long orig_eax;
- long eip;
- int xcs;
- long eflags;
- long esp;
- int xss;
-};
-#elif __x86_64__
-
-struct pt_regs {
- unsigned long r15;
- unsigned long r14;
- unsigned long r13;
- unsigned long r12;
- unsigned long rbp;
- unsigned long rbx;
-/* arguments: non interrupts/non tracing syscalls only save upto here*/
- unsigned long r11;
- unsigned long r10;
- unsigned long r9;
- unsigned long r8;
- unsigned long rax;
- unsigned long rcx;
- unsigned long rdx;
- unsigned long rsi;
- unsigned long rdi;
- unsigned long orig_rax;
-/* end of arguments */
-/* cpu exception frame or undefined */
- unsigned long rip;
- unsigned long cs;
- unsigned long eflags;
- unsigned long rsp;
- unsigned long ss;
-/* top of stack page */
-};
-
-
-#endif
-
-void dump_regs(struct pt_regs *regs);
-void stack_walk(void);
-
-#define TRAP_PF_PROT 0x1
-#define TRAP_PF_WRITE 0x2
-#define TRAP_PF_USER 0x4
-
-#endif /* _TRAPS_H_ */
+++ /dev/null
-/******************************************************************************
- * hypercall-x86_32.h
- *
- * Copied from XenLinux.
- *
- * Copyright (c) 2002-2004, K A Fraser
- *
- * This file may be distributed separately from the Linux kernel, or
- * incorporated into other software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#ifndef __HYPERCALL_X86_32_H__
-#define __HYPERCALL_X86_32_H__
-
-#include <xen/xen.h>
-#include <xen/sched.h>
-#include <xen/nmi.h>
-#include <mini-os/mm.h>
-
-#define __STR(x) #x
-#define STR(x) __STR(x)
-
-extern char _minios_hypercall_page[PAGE_SIZE];
-
-#define _hypercall0(type, name) \
-({ \
- long __res; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res) \
- : \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall1(type, name, a1) \
-({ \
- long __res, __ign1; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=b" (__ign1) \
- : "1" ((long)(a1)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall2(type, name, a1, a2) \
-({ \
- long __res, __ign1, __ign2; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=b" (__ign1), "=c" (__ign2) \
- : "1" ((long)(a1)), "2" ((long)(a2)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall3(type, name, a1, a2, a3) \
-({ \
- long __res, __ign1, __ign2, __ign3; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
- "=d" (__ign3) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall4(type, name, a1, a2, a3, a4) \
-({ \
- long __res, __ign1, __ign2, __ign3, __ign4; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
- "=d" (__ign3), "=S" (__ign4) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)), "4" ((long)(a4)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
-({ \
- long __res, __ign1, __ign2, __ign3, __ign4, __ign5; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
- "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)), "4" ((long)(a4)), \
- "5" ((long)(a5)) \
- : "memory" ); \
- (type)__res; \
-})
-
-static inline int
-HYPERVISOR_set_trap_table(
- trap_info_t *table)
-{
- return _hypercall1(int, set_trap_table, table);
-}
-
-static inline int
-HYPERVISOR_mmu_update(
- mmu_update_t *req, int count, int *success_count, domid_t domid)
-{
- return _hypercall4(int, mmu_update, req, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_mmuext_op(
- struct mmuext_op *op, int count, int *success_count, domid_t domid)
-{
- return _hypercall4(int, mmuext_op, op, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_set_gdt(
- unsigned long *frame_list, int entries)
-{
- return _hypercall2(int, set_gdt, frame_list, entries);
-}
-
-static inline int
-HYPERVISOR_stack_switch(
- unsigned long ss, unsigned long esp)
-{
- return _hypercall2(int, stack_switch, ss, esp);
-}
-
-static inline int
-HYPERVISOR_set_callbacks(
- unsigned long event_selector, unsigned long event_address,
- unsigned long failsafe_selector, unsigned long failsafe_address)
-{
- return _hypercall4(int, set_callbacks,
- event_selector, event_address,
- failsafe_selector, failsafe_address);
-}
-
-static inline int
-HYPERVISOR_fpu_taskswitch(
- int set)
-{
- return _hypercall1(int, fpu_taskswitch, set);
-}
-
-static inline int
-HYPERVISOR_sched_op(
- int cmd, void *arg)
-{
- return _hypercall2(int, sched_op, cmd, arg);
-}
-
-static inline long
-HYPERVISOR_set_timer_op(
- uint64_t timeout)
-{
- unsigned long timeout_hi = (unsigned long)(timeout>>32);
- unsigned long timeout_lo = (unsigned long)timeout;
- return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
-}
-
-static inline int
-HYPERVISOR_set_debugreg(
- int reg, unsigned long value)
-{
- return _hypercall2(int, set_debugreg, reg, value);
-}
-
-static inline unsigned long
-HYPERVISOR_get_debugreg(
- int reg)
-{
- return _hypercall1(unsigned long, get_debugreg, reg);
-}
-
-static inline int
-HYPERVISOR_update_descriptor(
- uint64_t ma, uint64_t desc)
-{
- return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
-}
-
-static inline int
-HYPERVISOR_memory_op(
- unsigned int cmd, void *arg)
-{
- return _hypercall2(int, memory_op, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_multicall(
- void *call_list, int nr_calls)
-{
- return _hypercall2(int, multicall, call_list, nr_calls);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping(
- unsigned long va, pte_t new_val, unsigned long flags)
-{
- return _hypercall4(int, update_va_mapping, va,
- new_val.pte_low, new_val.pte_high, flags);
-}
-
-static inline int
-HYPERVISOR_event_channel_op(
- int cmd, void *op)
-{
- return _hypercall2(int, event_channel_op, cmd, op);
-}
-
-static inline int
-HYPERVISOR_xen_version(
- int cmd, void *arg)
-{
- return _hypercall2(int, xen_version, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_console_io(
- int cmd, int count, char *str)
-{
- return _hypercall3(int, console_io, cmd, count, str);
-}
-
-static inline int
-HYPERVISOR_physdev_op(
- void *physdev_op)
-{
- return _hypercall1(int, physdev_op, physdev_op);
-}
-
-static inline int
-HYPERVISOR_grant_table_op(
- unsigned int cmd, void *uop, unsigned int count)
-{
- return _hypercall3(int, grant_table_op, cmd, uop, count);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping_otherdomain(
- unsigned long va, pte_t new_val, unsigned long flags, domid_t domid)
-{
- return _hypercall5(int, update_va_mapping_otherdomain, va,
- new_val.pte_low, new_val.pte_high, flags, domid);
-}
-
-static inline int
-HYPERVISOR_vm_assist(
- unsigned int cmd, unsigned int type)
-{
- return _hypercall2(int, vm_assist, cmd, type);
-}
-
-static inline int
-HYPERVISOR_vcpu_op(
- int cmd, int vcpuid, void *extra_args)
-{
- return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
-}
-
-static inline int
-HYPERVISOR_suspend(
- unsigned long srec)
-{
- return _hypercall3(int, sched_op, SCHEDOP_shutdown,
- SHUTDOWN_suspend, srec);
-}
-
-static inline int
-HYPERVISOR_nmi_op(
- unsigned long op,
- unsigned long arg)
-{
- return _hypercall2(int, nmi_op, op, arg);
-}
-
-static inline int
-HYPERVISOR_sysctl(
- unsigned long op)
-{
- return _hypercall1(int, sysctl, op);
-}
-
-static inline int
-HYPERVISOR_domctl(
- unsigned long op)
-{
- return _hypercall1(int, domctl, op);
-}
-
-#endif /* __HYPERCALL_X86_32_H__ */
-
-/*
- * Local variables:
- * c-file-style: "linux"
- * indent-tabs-mode: t
- * c-indent-level: 8
- * c-basic-offset: 8
- * tab-width: 8
- * End:
- */
+++ /dev/null
-/******************************************************************************
- * hypercall-x86_64.h
- *
- * Copied from XenLinux.
- *
- * Copyright (c) 2002-2004, K A Fraser
- *
- * 64-bit updates:
- * Benjamin Liu <benjamin.liu@intel.com>
- * Jun Nakajima <jun.nakajima@intel.com>
- *
- * This file may be distributed separately from the Linux kernel, or
- * incorporated into other software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#ifndef __HYPERCALL_X86_64_H__
-#define __HYPERCALL_X86_64_H__
-
-#include <xen/xen.h>
-#include <xen/sched.h>
-#include <mini-os/mm.h>
-
-#define __STR(x) #x
-#define STR(x) __STR(x)
-
-extern char _minios_hypercall_page[PAGE_SIZE];
-
-#define _hypercall0(type, name) \
-({ \
- long __res; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res) \
- : \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall1(type, name, a1) \
-({ \
- long __res, __ign1; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=D" (__ign1) \
- : "1" ((long)(a1)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall2(type, name, a1, a2) \
-({ \
- long __res, __ign1, __ign2; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=D" (__ign1), "=S" (__ign2) \
- : "1" ((long)(a1)), "2" ((long)(a2)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall3(type, name, a1, a2, a3) \
-({ \
- long __res, __ign1, __ign2, __ign3; \
- asm volatile ( \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
- "=d" (__ign3) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)) \
- : "memory" ); \
- (type)__res; \
-})
-
-#define _hypercall4(type, name, a1, a2, a3, a4) \
-({ \
- long __res, __ign1, __ign2, __ign3; \
- asm volatile ( \
- "movq %7,%%r10; " \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
- "=d" (__ign3) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)), "g" ((long)(a4)) \
- : "memory", "r10" ); \
- (type)__res; \
-})
-
-#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
-({ \
- long __res, __ign1, __ign2, __ign3; \
- asm volatile ( \
- "movq %7,%%r10; movq %8,%%r8; " \
- "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
- : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
- "=d" (__ign3) \
- : "1" ((long)(a1)), "2" ((long)(a2)), \
- "3" ((long)(a3)), "g" ((long)(a4)), \
- "g" ((long)(a5)) \
- : "memory", "r10", "r8" ); \
- (type)__res; \
-})
-
-static inline int
-HYPERVISOR_set_trap_table(
- trap_info_t *table)
-{
- return _hypercall1(int, set_trap_table, table);
-}
-
-static inline int
-HYPERVISOR_mmu_update(
- mmu_update_t *req, int count, int *success_count, domid_t domid)
-{
- return _hypercall4(int, mmu_update, req, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_mmuext_op(
- struct mmuext_op *op, int count, int *success_count, domid_t domid)
-{
- return _hypercall4(int, mmuext_op, op, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_set_gdt(
- unsigned long *frame_list, int entries)
-{
- return _hypercall2(int, set_gdt, frame_list, entries);
-}
-
-static inline int
-HYPERVISOR_stack_switch(
- unsigned long ss, unsigned long esp)
-{
- return _hypercall2(int, stack_switch, ss, esp);
-}
-
-static inline int
-HYPERVISOR_set_callbacks(
- unsigned long event_address, unsigned long failsafe_address,
- unsigned long syscall_address)
-{
- return _hypercall3(int, set_callbacks,
- event_address, failsafe_address, syscall_address);
-}
-
-static inline int
-HYPERVISOR_fpu_taskswitch(
- int set)
-{
- return _hypercall1(int, fpu_taskswitch, set);
-}
-
-static inline int
-HYPERVISOR_sched_op(
- int cmd, void *arg)
-{
- return _hypercall2(int, sched_op, cmd, arg);
-}
-
-static inline long
-HYPERVISOR_set_timer_op(
- uint64_t timeout)
-{
- return _hypercall1(long, set_timer_op, timeout);
-}
-
-static inline int
-HYPERVISOR_set_debugreg(
- int reg, unsigned long value)
-{
- return _hypercall2(int, set_debugreg, reg, value);
-}
-
-static inline unsigned long
-HYPERVISOR_get_debugreg(
- int reg)
-{
- return _hypercall1(unsigned long, get_debugreg, reg);
-}
-
-static inline int
-HYPERVISOR_update_descriptor(
- unsigned long ma, unsigned long word)
-{
- return _hypercall2(int, update_descriptor, ma, word);
-}
-
-static inline int
-HYPERVISOR_memory_op(
- unsigned int cmd, void *arg)
-{
- return _hypercall2(int, memory_op, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_multicall(
- void *call_list, int nr_calls)
-{
- return _hypercall2(int, multicall, call_list, nr_calls);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping(
- unsigned long va, pte_t new_val, unsigned long flags)
-{
- return _hypercall3(int, update_va_mapping, va, new_val.pte, flags);
-}
-
-static inline int
-HYPERVISOR_event_channel_op(
- int cmd, void *op)
-{
- return _hypercall2(int, event_channel_op, cmd, op);
-}
-
-static inline int
-HYPERVISOR_xen_version(
- int cmd, void *arg)
-{
- return _hypercall2(int, xen_version, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_console_io(
- int cmd, int count, char *str)
-{
- return _hypercall3(int, console_io, cmd, count, str);
-}
-
-static inline int
-HYPERVISOR_physdev_op(
- void *physdev_op)
-{
- return _hypercall1(int, physdev_op, physdev_op);
-}
-
-static inline int
-HYPERVISOR_grant_table_op(
- unsigned int cmd, void *uop, unsigned int count)
-{
- return _hypercall3(int, grant_table_op, cmd, uop, count);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping_otherdomain(
- unsigned long va, pte_t new_val, unsigned long flags, domid_t domid)
-{
- return _hypercall4(int, update_va_mapping_otherdomain, va,
- new_val.pte, flags, domid);
-}
-
-static inline int
-HYPERVISOR_vm_assist(
- unsigned int cmd, unsigned int type)
-{
- return _hypercall2(int, vm_assist, cmd, type);
-}
-
-static inline int
-HYPERVISOR_vcpu_op(
- int cmd, int vcpuid, void *extra_args)
-{
- return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
-}
-
-static inline int
-HYPERVISOR_set_segment_base(
- int reg, unsigned long value)
-{
- return _hypercall2(int, set_segment_base, reg, value);
-}
-
-static inline int
-HYPERVISOR_suspend(
- unsigned long srec)
-{
- return _hypercall3(int, sched_op, SCHEDOP_shutdown,
- SHUTDOWN_suspend, srec);
-}
-
-static inline int
-HYPERVISOR_nmi_op(
- unsigned long op,
- unsigned long arg)
-{
- return _hypercall2(int, nmi_op, op, arg);
-}
-
-static inline int
-HYPERVISOR_sysctl(
- unsigned long op)
-{
- return _hypercall1(int, sysctl, op);
-}
-
-static inline int
-HYPERVISOR_domctl(
- unsigned long op)
-{
- return _hypercall1(int, domctl, op);
-}
-
-#endif /* __HYPERCALL_X86_64_H__ */
-
-/*
- * Local variables:
- * c-file-style: "linux"
- * indent-tabs-mode: t
- * c-indent-level: 8
- * c-basic-offset: 8
- * tab-width: 8
- * End:
- */
+++ /dev/null
-#ifndef MINIOS_XENBUS_H__
-#define MINIOS_XENBUS_H__
-
-#include <xen/io/xenbus.h>
-#include <mini-os/sched.h>
-#include <mini-os/waittypes.h>
-#include <mini-os/queue.h>
-#include <mini-os/spinlock.h>
-
-typedef unsigned long xenbus_transaction_t;
-#define XBT_NIL ((xenbus_transaction_t)0)
-
-#ifdef CONFIG_XENBUS
-/* Initialize the XenBus system. */
-void init_xenbus(void);
-#else
-static inline void init_xenbus(void)
-{
-}
-#endif
-
-/* Read the value associated with a path. Returns a malloc'd error
- string on failure and sets *value to NULL. On success, *value is
- set to a malloc'd copy of the value. */
-char *xenbus_read(xenbus_transaction_t xbt, const char *path, char **value);
-
-/* All accesses to an active xenbus_event_queue must occur with this
- * lock held. The public functions here will do that for you, but
- * your own accesses to the queue (including the contained waitq)
- * must be protected by the lock. */
-extern spinlock_t xenbus_req_lock;
-
-/* Queue for events (watches or async request replies - see below) */
-struct xenbus_event {
- union {
- struct {
- /* must be first, both for the bare minios xs.c, and for
- * xenbus_wait_for_watch's handling */
- char *path;
- char *token;
- };
- struct xsd_sockmsg *reply;
- };
- struct xenbus_watch *watch;
- MINIOS_STAILQ_ENTRY(xenbus_event) entry;
-};
-struct xenbus_event_queue {
- MINIOS_STAILQ_HEAD(, xenbus_event) events;
- void (*wakeup)(struct xenbus_event_queue*); /* can be safely ignored */
- struct wait_queue_head waitq;
-};
-
-void xenbus_event_queue_init(struct xenbus_event_queue *queue);
-
-char *xenbus_watch_path_token(xenbus_transaction_t xbt, const char *path, const char *token, struct xenbus_event_queue *events);
-char *xenbus_unwatch_path_token(xenbus_transaction_t xbt, const char *path, const char *token);
-void xenbus_wait_for_watch(struct xenbus_event_queue *queue);
-char **xenbus_wait_for_watch_return(struct xenbus_event_queue *queue);
-char* xenbus_wait_for_value(const char *path, const char *value, struct xenbus_event_queue *queue);
-char *xenbus_wait_for_state_change(const char* path, XenbusState *state, struct xenbus_event_queue *queue);
-char *xenbus_switch_state(xenbus_transaction_t xbt, const char* path, XenbusState state);
-
-/* When no token is provided, use a global queue. */
-#define XENBUS_WATCH_PATH_TOKEN "xenbus_watch_path"
-extern struct xenbus_event_queue xenbus_default_watch_queue;
-#define xenbus_watch_path(xbt, path) xenbus_watch_path_token(xbt, path, XENBUS_WATCH_PATH_TOKEN, NULL)
-#define xenbus_unwatch_path(xbt, path) xenbus_unwatch_path_token(xbt, path, XENBUS_WATCH_PATH_TOKEN)
-
-
-/* Associates a value with a path. Returns a malloc'd error string on
- failure. */
-char *xenbus_write(xenbus_transaction_t xbt, const char *path, const char *value);
-
-struct write_req {
- const void *data;
- unsigned len;
-};
-
-/* Send a message to xenbus, in the same fashion as xb_write, and
- block waiting for a reply. The reply is malloced and should be
- freed by the caller. */
-struct xsd_sockmsg *
-xenbus_msg_reply(int type,
- xenbus_transaction_t trans,
- struct write_req *io,
- int nr_reqs);
-
-/* Removes the value associated with a path. Returns a malloc'd error
- string on failure. */
-char *xenbus_rm(xenbus_transaction_t xbt, const char *path);
-
-/* List the contents of a directory. Returns a malloc'd error string
- on failure and sets *contents to NULL. On success, *contents is
- set to a malloc'd array of pointers to malloc'd strings. The array
- is NULL terminated. May block. */
-char *xenbus_ls(xenbus_transaction_t xbt, const char *prefix, char ***contents);
-
-/* Reads permissions associated with a path. Returns a malloc'd error
- string on failure and sets *value to NULL. On success, *value is
- set to a malloc'd copy of the value. */
-char *xenbus_get_perms(xenbus_transaction_t xbt, const char *path, char **value);
-
-/* Sets the permissions associated with a path. Returns a malloc'd
- error string on failure. */
-char *xenbus_set_perms(xenbus_transaction_t xbt, const char *path, domid_t dom, char perm);
-
-/* Start a xenbus transaction. Returns the transaction in xbt on
- success or a malloc'd error string otherwise. */
-char *xenbus_transaction_start(xenbus_transaction_t *xbt);
-
-/* End a xenbus transaction. Returns a malloc'd error string if it
- fails. abort says whether the transaction should be aborted.
- Returns 1 in *retry iff the transaction should be retried. */
-char *xenbus_transaction_end(xenbus_transaction_t, int abort,
- int *retry);
-
-/* Read path and parse it as an integer. Returns -1 on error. */
-int xenbus_read_integer(const char *path);
-
-/* Contraction of snprintf and xenbus_write(path/node). */
-char* xenbus_printf(xenbus_transaction_t xbt,
- const char* node, const char* path,
- const char* fmt, ...)
- __attribute__((__format__(printf, 4, 5)));
-
-/* Utility function to figure out our domain id */
-domid_t xenbus_get_self_id(void);
-
-/*
- * ----- asynchronous low-level interface -----
- */
-
-/*
- * Use of queue->wakeup:
- *
- * If queue->wakeup is set, it will be called instead of
- * wake_up(&queue->waitq);
- *
- * queue->wakeup is initialised (to a function which just calls
- * wake_up) by xenbus_event_queue_init. The user who wants something
- * different should set ->wakeup after the init, but before the queue
- * is used for xenbus_id_allocate or xenbus_watch_prepare.
- *
- * queue->wakeup() is called with the req_lock held.
- */
-
-/* Allocate an identifier for a xenbus request. Blocks if none are
- * available. Cannot fail. On return, we may use the returned value
- * as the id in a xenbus request.
- *
- * for_queue must already be allocated, but may be uninitialised.
- *
- * for_queue->watch is not touched by the xenbus machinery for
- * handling requests/replies but should probably be initialised by the
- * caller (probably to NULL) because this will help the caller
- * distinguish the reply from any watch events which might end up in
- * the same queue.
- *
- * reply_queue must exist and have been initialised.
- *
- * When the response arrives, the reply message will stored in
- * for_queue->reply and for_queue will be queued on reply_queue. The
- * id must be then explicitly released (or, used again, if desired).
- * After ->reply is done with the caller must pass it to free().
- * (Do not use the id for more than one request at a time.) */
-int xenbus_id_allocate(struct xenbus_event_queue *reply_queue,
- struct xenbus_event *for_queue);
-void xenbus_id_release(int id);
-
-/* Allocating a token for a watch.
- *
- * To use this:
- * - Include struct xenbus_watch in your own struct.
- * - Set events; then call prepare. This will set token.
- * You may then use token in a WATCH request.
- * - You must UNWATCH before you call release.
- * Do not modify token yourself.
- * entry is private for the xenbus driver.
- *
- * When the watch fires, a new struct xenbus_event will be allocated
- * and queued on events. The field xenbus_event->watch will have been
- * set to watch by the xenbus machinery, and xenbus_event->path will
- * be the watch path. After the caller is done with the event,
- * its pointer should simply be passed to free(). */
-struct xenbus_watch {
- char *token;
- struct xenbus_event_queue *events;
- MINIOS_LIST_ENTRY(xenbus_watch) entry;
-};
-void xenbus_watch_init(struct xenbus_watch *watch); /* makes release a noop */
-void xenbus_watch_prepare(struct xenbus_watch *watch); /* need not be init'd */
-void xenbus_watch_release(struct xenbus_watch *watch); /* idempotent */
-
-
-/* Send data to xenbus. This can block. All of the requests are seen
- * by xenbus as if sent atomically. The header is added
- * automatically, using type %type, req_id %req_id, and trans_id
- * %trans_id. */
-void xenbus_xb_write(int type, int req_id, xenbus_transaction_t trans_id,
- const struct write_req *req, int nr_reqs);
-
-void xenbus_free(void*);
-/* If the caller is in a scope which uses a different malloc arena,
- * it must use this rather than free() when freeing data received
- * from xenbus. */
-
-#ifdef CONFIG_XENBUS
-/* Reset the XenBus system. */
-void fini_xenbus(void);
-#else
-static inline void fini_xenbus(void)
-{
-}
-#endif
-
-#endif /* MINIOS_XENBUS_H__ */
+++ /dev/null
-#ifndef __MINIOS_XMALLOC_H__
-#define __MINIOS_XMALLOC_H__
-
-
-#include <limits.h>
-
-void * memalloc(size_t, size_t);
-void memfree(void *);
-void free(void *);
-int posix_memalign(void **, size_t, size_t);
-void * realloc(void *, size_t);
-void * calloc(size_t, size_t);
-
-#define DEFAULT_ALIGN (sizeof(unsigned long))
-
-/* compat */
-#define _xmalloc(size, align) memalloc(size, align)
-#define xfree(ptr) free(ptr)
-
-
-static inline void *_xmalloc_array(size_t size, size_t align, size_t num)
-{
- /* Check for overflow. */
- if (size && num > UINT_MAX / size)
- return NULL;
- return _xmalloc(size * num, align);
-}
-
-/* Allocate space for typed object. */
-#define xmalloc(_type) ((_type *)_xmalloc(sizeof(_type), __alignof__(_type)))
-
-/* Allocate space for array of typed objects. */
-#define xmalloc_array(_type, _num) ((_type *)_xmalloc_array(sizeof(_type), __alignof__(_type), _num))
-
-#endif /* __MINIOS_XMALLOC_H__ */
--- /dev/null
+#ifndef _MINIOS_BLKFRONT_H_
+#define _MINIOS_BLKFRONT_H_
+
+#include <mini-os/wait.h>
+#include <xen/io/blkif.h>
+#include <mini-os/types.h>
+struct blkfront_dev;
+struct blkfront_aiocb
+{
+ struct blkfront_dev *aio_dev;
+ uint8_t *aio_buf;
+ size_t aio_nbytes;
+ off_t aio_offset;
+ size_t total_bytes;
+ uint8_t is_write;
+ void *data;
+
+ grant_ref_t gref[BLKIF_MAX_SEGMENTS_PER_REQUEST];
+ int n;
+
+ void (*aio_cb)(struct blkfront_aiocb *aiocb, int ret);
+};
+struct blkfront_info
+{
+ uint64_t sectors;
+ unsigned sector_size;
+ int mode;
+ int info;
+ int barrier;
+ int flush;
+};
+struct blkfront_dev *blkfront_init(char *nodename, struct blkfront_info *info);
+void blkfront_aio(struct blkfront_aiocb *aiocbp, int write);
+#define blkfront_aio_read(aiocbp) blkfront_aio(aiocbp, 0)
+#define blkfront_aio_write(aiocbp) blkfront_aio(aiocbp, 1)
+void blkfront_io(struct blkfront_aiocb *aiocbp, int write);
+#define blkfront_read(aiocbp) blkfront_io(aiocbp, 0)
+#define blkfront_write(aiocbp) blkfront_io(aiocbp, 1)
+void blkfront_aio_push_operation(struct blkfront_aiocb *aiocbp, uint8_t op);
+int blkfront_aio_poll(struct blkfront_dev *dev);
+void blkfront_sync(struct blkfront_dev *dev);
+void blkfront_shutdown(struct blkfront_dev *dev);
+
+extern struct wait_queue_head blkfront_queue;
+
+#endif /* _MINIOS_BLKFRONT_H_ */
--- /dev/null
+/*
+ ****************************************************************************
+ * (C) 2006 - Grzegorz Milos - Cambridge University
+ ****************************************************************************
+ *
+ * File: console.h
+ * Author: Grzegorz Milos
+ * Changes:
+ *
+ * Date: Mar 2006
+ *
+ * Environment: Xen Minimal OS
+ * Description: Console interface.
+ *
+ * Handles console I/O. Defines printk.
+ *
+ ****************************************************************************
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _MINIOS_LIB_CONSOLE_H_
+#define _MINIOS_LIB_CONSOLE_H_
+
+#include <mini-os/os.h>
+#include <mini-os/types.h>
+#include <mini-os/xenbus.h>
+
+#include <mini-os/machine/traps.h>
+
+#include <xen/grant_table.h>
+#include <xen/io/console.h>
+#include <stdarg.h>
+
+struct consfront_dev {
+ domid_t dom;
+
+ struct xencons_interface *ring;
+ grant_ref_t ring_ref;
+ evtchn_port_t evtchn;
+
+ char *nodename;
+ char *backend;
+
+ struct xenbus_event_queue events;
+
+};
+
+
+
+void print(int direct, const char *fmt, va_list args);
+void minios_printk(const char *fmt, ...);
+void xprintk(const char *fmt, ...);
+void panic(const char *fmt, ...);
+
+#define tprintk(_fmt, _args...) printk("[%s] " _fmt, current->name, ##_args)
+
+void xencons_rx(char *buf, unsigned len, struct pt_regs *regs);
+void xencons_tx(void);
+
+void init_console(void);
+void minios_console_print(struct consfront_dev *dev, char *data, int length);
+void fini_console(struct consfront_dev *dev);
+
+/* Low level functions defined in xencons_ring.c */
+extern struct wait_queue_head console_queue;
+struct consfront_dev *xencons_ring_init(void);
+struct consfront_dev *init_consfront(char *_nodename);
+int xencons_ring_send(struct consfront_dev *dev, const char *data, unsigned len);
+int xencons_ring_send_no_notify(struct consfront_dev *dev, const char *data, unsigned len);
+int xencons_ring_avail(struct consfront_dev *dev);
+int xencons_ring_recv(struct consfront_dev *dev, char *data, unsigned len);
+void free_consfront(struct consfront_dev *dev);
+
+#endif /* _MINIOS_LIB_CONSOLE_H_ */
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ ****************************************************************************
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
+ ****************************************************************************
+ *
+ * File: events.h
+ * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
+ * Changes: Grzegorz Milos (gm281@cam.ac.uk)
+ *
+ * Date: Jul 2003, changes Jun 2005
+ *
+ * Environment: Xen Minimal OS
+ * Description: Deals with events on the event channels
+ *
+ ****************************************************************************
+ */
+
+#ifndef _MINIOS_EVENTS_H_
+#define _MINIOS_EVENTS_H_
+
+#include<xen/event_channel.h>
+
+typedef void (*evtchn_handler_t)(evtchn_port_t, struct pt_regs *, void *);
+
+/* prototypes */
+int do_event(evtchn_port_t port, struct pt_regs *regs);
+evtchn_port_t minios_bind_virq(uint32_t virq, evtchn_handler_t handler, void *data);
+evtchn_port_t minios_bind_pirq(uint32_t pirq, int will_share, evtchn_handler_t handler, void *data);
+evtchn_port_t minios_bind_evtchn(evtchn_port_t port, evtchn_handler_t handler,
+ void *data);
+void minios_unbind_evtchn(evtchn_port_t port);
+void init_events(void);
+int minios_evtchn_alloc_unbound(domid_t pal, evtchn_handler_t handler,
+ void *data, evtchn_port_t *port);
+int minios_evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port,
+ evtchn_handler_t handler, void *data,
+ evtchn_port_t *local_port);
+void unbind_all_ports(void);
+
+static inline int notify_remote_via_evtchn(evtchn_port_t port)
+{
+ evtchn_send_t op;
+ op.port = port;
+ return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op);
+}
+
+void fini_events(void);
+
+#endif /* _MINIOS_EVENTS_H_ */
--- /dev/null
+#ifndef _MINIOS_FBFRONT_H_
+#define _MINIOS_FBFRONT_H_
+
+#include <xen/io/kbdif.h>
+#include <xen/io/fbif.h>
+#include <mini-os/semaphore.h>
+#include <mini-os/wait.h>
+
+/* from <linux/input.h> */
+#ifndef BTN_LEFT
+#define BTN_LEFT 0x110
+#endif
+#ifndef BTN_RIGHT
+#define BTN_RIGHT 0x111
+#endif
+#ifndef BTN_MIDDLE
+#define BTN_MIDDLE 0x112
+#endif
+#ifndef KEY_Q
+#define KEY_Q 16
+#endif
+#ifndef KEY_MAX
+#define KEY_MAX 0x1ff
+#endif
+
+
+struct kbdfront_dev;
+struct kbdfront_dev *init_kbdfront(char *nodename, int abs_pointer);
+
+int kbdfront_receive(struct kbdfront_dev *dev, union xenkbd_in_event *buf, int n);
+extern struct wait_queue_head kbdfront_queue;
+
+void shutdown_kbdfront(struct kbdfront_dev *dev);
+
+
+struct fbfront_dev *init_fbfront(char *nodename, unsigned long *mfns, int width, int height, int depth, int stride, int n);
+
+int fbfront_receive(struct fbfront_dev *dev, union xenfb_in_event *buf, int n);
+extern struct wait_queue_head fbfront_queue;
+void fbfront_update(struct fbfront_dev *dev, int x, int y, int width, int height);
+void fbfront_resize(struct fbfront_dev *dev, int width, int height, int stride, int depth, int offset);
+
+void shutdown_fbfront(struct fbfront_dev *dev);
+
+#endif /* _MINIOS_FBFRONT_H_ */
--- /dev/null
+#ifndef __MINIOS_GNTMAP_H__
+#define __MINIOS_GNTMAP_H__
+
+#include <mini-os/os.h>
+
+/*
+ * Please consider struct gntmap opaque. If instead you choose to disregard
+ * this message, I insist that you keep an eye out for raptors.
+ */
+struct gntmap {
+ int nentries;
+ struct gntmap_entry *entries;
+};
+
+int
+gntmap_set_max_grants(struct gntmap *map, int count);
+
+int
+gntmap_munmap(struct gntmap *map, unsigned long start_address, int count);
+
+void*
+gntmap_map_grant_refs(struct gntmap *map,
+ uint32_t count,
+ uint32_t *domids,
+ int domids_stride,
+ uint32_t *refs,
+ int writable);
+
+void
+gntmap_init(struct gntmap *map);
+
+void
+gntmap_fini(struct gntmap *map);
+
+#endif /* !__MINIOS_GNTMAP_H__ */
--- /dev/null
+#ifndef __MINIOS_GNTTAB_H__
+#define __MINIOS_GNTTAB_H__
+
+#include <xen/grant_table.h>
+
+void init_gnttab(void);
+grant_ref_t gnttab_alloc_and_grant(void **map);
+grant_ref_t gnttab_grant_access(domid_t domid, unsigned long frame,
+ int readonly);
+grant_ref_t gnttab_grant_transfer(domid_t domid, unsigned long pfn);
+unsigned long gnttab_end_transfer(grant_ref_t gref);
+int gnttab_end_access(grant_ref_t ref);
+const char *gnttabop_error(int16_t status);
+void fini_gnttab(void);
+
+#endif /* !__MINIOS_GNTTAB_H__ */
--- /dev/null
+/******************************************************************************
+ * hypervisor.h
+ *
+ * Hypervisor handling.
+ *
+ *
+ * Copyright (c) 2002, K A Fraser
+ * Copyright (c) 2005, Grzegorz Milos
+ * Updates: Aravindh Puthiyaparambil <aravindh.puthiyaparambil@unisys.com>
+ * Updates: Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com> for ia64
+ */
+
+#ifndef _MINIOS_HYPERVISOR_H_
+#define _MINIOS_HYPERVISOR_H_
+
+#include <mini-os/types.h>
+#include <xen/xen.h>
+#if defined(__i386__)
+#include <mini-os/x86/x86_32/hypercall-x86_32.h>
+#elif defined(__x86_64__)
+#include <mini-os/x86/x86_64/hypercall-x86_64.h>
+#else
+#error "Unsupported architecture"
+#endif
+#include <mini-os/machine/traps.h>
+
+/*
+ * a placeholder for the start of day information passed up from the hypervisor
+ */
+union start_info_union
+{
+ start_info_t start_info;
+ char padding[512];
+};
+extern union start_info_union _minios_start_info_union;
+#define start_info (_minios_start_info_union.start_info)
+
+/* hypervisor.c */
+void minios_force_evtchn_callback(void);
+void minios_do_hypervisor_callback(struct pt_regs *regs);
+void minios_mask_evtchn(uint32_t port);
+void minios_unmask_evtchn(uint32_t port);
+void minios_clear_evtchn(uint32_t port);
+
+extern int _minios_in_hypervisor_callback;
+
+#endif /* __MINIOS_HYPERVISOR_H__ */
--- /dev/null
+/**
+ * Copyright (C) 2009 Netronome Systems, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef _MINIOS_IOREMAP_H_
+#define _MINIOS_IOREMAP_H_
+
+void *ioremap(unsigned long phys_addr, unsigned long size);
+void *ioremap_nocache(unsigned long phys_addr, unsigned long size);
+void iounmap(void *virt_addr, unsigned long size);
+
+#endif /* _MINIOS_IOREMAP_H_ */
+
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 indent-tabs-mode:nil -*- */
--- /dev/null
+#ifndef _MINIOS_KERNEL_H_
+#define _MINIOS_KERNEL_H_
+
+extern int app_main(start_info_t *);
+
+extern void minios_do_exit(void) __attribute__((noreturn));
+extern void minios_stop_kernel(void);
+
+/* Values should mirror SHUTDOWN_* in xen/sched.h */
+#define MINIOS_HALT_POWEROFF 0
+#define MINIOS_HALT_CRASH 3
+extern void minios_do_halt(int reason) __attribute__((noreturn));
+
+#endif /* _MINIOS_KERNEL_H_ */
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ ****************************************************************************
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ ****************************************************************************
+ *
+ * File: lib.h
+ * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
+ * Changes:
+ *
+ * Date: Aug 2003
+ *
+ * Environment: Xen Minimal OS
+ * Description: Random useful library functions, contains some freebsd stuff
+ *
+ ****************************************************************************
+ * $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
+ ****************************************************************************
+ *
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#ifndef _MINIOS_LIB_H_
+#define _MINIOS_LIB_H_
+
+#include <xen/xen.h>
+#include <xen/event_channel.h>
+#include "gntmap.h"
+
+#include <mini-os/console.h>
+
+#define RAND_MIX 2654435769U
+
+int rand(void);
+
+#include <mini-os/xenbus.h>
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+#define ASSERT(x) \
+do { \
+ if (!(x)) { \
+ minios_printk("ASSERTION FAILED: %s at %s:%d.\n", \
+ # x , \
+ __FILE__, \
+ __LINE__); \
+ BUG(); \
+ } \
+} while(0)
+
+#define BUG_ON(x) ASSERT(!(x))
+
+/* Consistency check as much as possible. */
+void sanity_check(void);
+
+
+#endif /* _MINIOS_LIB_H_ */
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ *
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ * Copyright (c) 2005, Keir A Fraser
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _MINIOS_MM_H_
+#define _MINIOS_MM_H_
+
+#if defined(__i386__)
+#include <xen/arch-x86_32.h>
+#elif defined(__x86_64__)
+#include <xen/arch-x86_64.h>
+#elif defined(__ia64__)
+#include <xen/arch-ia64.h>
+#else
+#error "Unsupported architecture"
+#endif
+
+#include <mini-os/lib.h>
+
+#include <mini-os/machine/limits.h>
+#include <mini-os/machine/mm.h>
+
+#define STACK_SIZE_PAGE_ORDER __STACK_SIZE_PAGE_ORDER
+#define STACK_SIZE __STACK_SIZE
+
+
+void init_mm(void);
+unsigned long minios_alloc_pages(int order);
+#define minios_alloc_page() minios_alloc_pages(0)
+void minios_free_pages(void *pointer, int order);
+#define minios_free_page(p) minios_free_pages(p, 0)
+
+static __inline__ int get_order(unsigned long size)
+{
+ int order;
+ size = (size-1) >> PAGE_SHIFT;
+ for ( order = 0; size; order++ )
+ size >>= 1;
+ return order;
+}
+
+void arch_init_demand_mapping_area(unsigned long max_pfn);
+void arch_init_mm(unsigned long* start_pfn_p, unsigned long* max_pfn_p);
+void arch_init_p2m(unsigned long max_pfn_p);
+
+unsigned long allocate_ondemand(unsigned long n, unsigned long alignment);
+/* map f[i*stride]+i*increment for i in 0..n-1, aligned on alignment pages */
+void *map_frames_ex(const unsigned long *f, unsigned long n, unsigned long stride,
+ unsigned long increment, unsigned long alignment, domid_t id,
+ int *err, unsigned long prot);
+void do_map_frames(unsigned long addr,
+ const unsigned long *f, unsigned long n, unsigned long stride,
+ unsigned long increment, domid_t id, int *err, unsigned long prot);
+int unmap_frames(unsigned long va, unsigned long num_frames);
+unsigned long alloc_contig_pages(int order, unsigned int addr_bits);
+
+int free_physical_pages(xen_pfn_t *mfns, int n);
+void fini_mm(void);
+uint64_t minios_get_memsize(void);
+
+#endif /* _MINIOS_MM_H_ */
--- /dev/null
+#ifndef _MINIOS_NETFRONT_H_
+#define _MINIOS_NETFRONT_H_
+
+#include <mini-os/wait.h>
+struct netfront_dev;
+struct netfront_dev *netfront_init(char *nodename, void (*netif_rx)(struct netfront_dev *, unsigned char *data, int len), unsigned char rawmac[6], char **ip, void *priv);
+void netfront_xmit(struct netfront_dev *dev, unsigned char* data,int len);
+void netfront_shutdown(struct netfront_dev *dev);
+
+void *netfront_get_private(struct netfront_dev *);
+
+extern struct wait_queue_head netfront_queue;
+
+#endif /* _MINIOS_NETFRONT_H_ */
--- /dev/null
+#ifndef _MINIOS_OS_H_
+#define _MINIOS_OS_H_
+
+#define smp_processor_id() 0
+#define unlikely(x) __builtin_expect((x),0)
+#define likely(x) __builtin_expect((x),1)
+
+#include <mini-os/hypervisor.h>
+
+#ifndef __RUMP_KERNEL__
+
+#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
+#define __builtin_expect(x, expected_value) (x)
+#endif
+
+#ifndef __ASSEMBLY__
+#include <mini-os/types.h>
+#include <mini-os/kernel.h>
+#endif
+
+#define USED __attribute__ ((used))
+
+#define BUG minios_do_exit
+
+#include <mini-os/machine/os.h>
+
+#endif /* !__RUMP_KERNEL__ */
+
+#endif /* _MINIOS_OS_H_ */
--- /dev/null
+#ifndef _MINIOS_PCIFRONT_H_
+#define _MINIOS_PCIFRONT_H_
+
+#include <mini-os/types.h>
+#include <xen/io/pciif.h>
+struct pcifront_dev;
+void pcifront_watches(void *opaque);
+struct pcifront_dev *init_pcifront(char *nodename);
+void pcifront_op(struct pcifront_dev *dev, struct xen_pci_op *op);
+void pcifront_scan(struct pcifront_dev *dev, void (*fun)(unsigned int domain, unsigned int bus, unsigned slot, unsigned int fun));
+int pcifront_conf_read(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun,
+ unsigned int off, unsigned int size, unsigned int *val);
+int pcifront_conf_write(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun,
+ unsigned int off, unsigned int size, unsigned int val);
+int pcifront_enable_msi(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun);
+int pcifront_disable_msi(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun);
+int pcifront_enable_msix(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun,
+ struct xen_msix_entry *entries, int n);
+int pcifront_disable_msix(struct pcifront_dev *dev,
+ unsigned int dom,
+ unsigned int bus, unsigned int slot, unsigned long fun);
+void shutdown_pcifront(struct pcifront_dev *dev);
+
+#endif /* _MINIOS_PCIFRONT_H_ */
--- /dev/null
+#ifndef MINIOS_QUEUE_H__
+#define MINIOS_QUEUE_H__
+
+#include <sys/queue.h>
+
+#define MINIOS_SLIST_EMPTY SLIST_EMPTY
+#define MINIOS_SLIST_ENTRY SLIST_ENTRY
+#define MINIOS_SLIST_FIRST SLIST_FIRST
+#define MINIOS_SLIST_FOREACH SLIST_FOREACH
+#define MINIOS_SLIST_FOREACH_SAFE SLIST_FOREACH_SAFE
+#define MINIOS_SLIST_HEAD SLIST_HEAD
+#define MINIOS_SLIST_HEAD_INITIALIZER SLIST_HEAD_INITIALIZER
+#define MINIOS_SLIST_INIT SLIST_INIT
+#define MINIOS_SLIST_INSERT_AFTER SLIST_INSERT_AFTER
+#define MINIOS_SLIST_INSERT_HEAD SLIST_INSERT_HEAD
+#define MINIOS_SLIST_NEXT SLIST_NEXT
+#define MINIOS_SLIST_REMOVE_AFTER SLIST_REMOVE_AFTER
+#define MINIOS_SLIST_REMOVE_HEAD SLIST_REMOVE_HEAD
+#define MINIOS_SLIST_REMOVE SLIST_REMOVE
+#define MINIOS_SLIST_SWAP SLIST_SWAP
+#define MINIOS_STAILQ_CONCAT STAILQ_CONCAT
+#define MINIOS_STAILQ_EMPTY STAILQ_EMPTY
+#define MINIOS_STAILQ_ENTRY STAILQ_ENTRY
+#define MINIOS_STAILQ_FIRST STAILQ_FIRST
+#define MINIOS_STAILQ_FOREACH STAILQ_FOREACH
+#define MINIOS_STAILQ_FOREACH_SAFE STAILQ_FOREACH_SAFE
+#define MINIOS_STAILQ_HEAD STAILQ_HEAD
+#define MINIOS_STAILQ_HEAD_INITIALIZER STAILQ_HEAD_INITIALIZER
+#define MINIOS_STAILQ_INIT STAILQ_INIT
+#define MINIOS_STAILQ_INSERT_AFTER STAILQ_INSERT_AFTER
+#define MINIOS_STAILQ_INSERT_HEAD STAILQ_INSERT_HEAD
+#define MINIOS_STAILQ_INSERT_TAIL STAILQ_INSERT_TAIL
+#define MINIOS_STAILQ_LAST STAILQ_LAST
+#define MINIOS_STAILQ_NEXT STAILQ_NEXT
+#define MINIOS_STAILQ_REMOVE_AFTER STAILQ_REMOVE_AFTER
+#define MINIOS_STAILQ_REMOVE_HEAD STAILQ_REMOVE_HEAD
+#define MINIOS_STAILQ_REMOVE STAILQ_REMOVE
+#define MINIOS_STAILQ_SWAP STAILQ_SWAP
+#define MINIOS_LIST_EMPTY LIST_EMPTY
+#define MINIOS_LIST_ENTRY LIST_ENTRY
+#define MINIOS_LIST_FIRST LIST_FIRST
+#define MINIOS_LIST_FOREACH LIST_FOREACH
+#define MINIOS_LIST_FOREACH_SAFE LIST_FOREACH_SAFE
+#define MINIOS_LIST_HEAD LIST_HEAD
+#define MINIOS_LIST_HEAD_INITIALIZER LIST_HEAD_INITIALIZER
+#define MINIOS_LIST_INIT LIST_INIT
+#define MINIOS_LIST_INSERT_AFTER LIST_INSERT_AFTER
+#define MINIOS_LIST_INSERT_BEFORE LIST_INSERT_BEFORE
+#define MINIOS_LIST_INSERT_HEAD LIST_INSERT_HEAD
+#define MINIOS_LIST_NEXT LIST_NEXT
+#define MINIOS_LIST_REMOVE LIST_REMOVE
+#define MINIOS_LIST_SWAP LIST_SWAP
+#define MINIOS_TAILQ_CONCAT TAILQ_CONCAT
+#define MINIOS_TAILQ_EMPTY TAILQ_EMPTY
+#define MINIOS_TAILQ_ENTRY TAILQ_ENTRY
+#define MINIOS_TAILQ_FIRST TAILQ_FIRST
+#define MINIOS_TAILQ_FOREACH TAILQ_FOREACH
+#define MINIOS_TAILQ_FOREACH_SAFE TAILQ_FOREACH_SAFE
+#define MINIOS_TAILQ_FOREACH_REVERSE TAILQ_FOREACH_REVERSE
+#define MINIOS_TAILQ_FOREACH_REVERSE_SAFE TAILQ_FOREACH_REVERSE_SAFE
+#define MINIOS_TAILQ_HEAD TAILQ_HEAD
+#define MINIOS_TAILQ_HEAD_INITIALIZER TAILQ_HEAD_INITIALIZER
+#define MINIOS_TAILQ_INIT TAILQ_INIT
+#define MINIOS_TAILQ_INSERT_AFTER TAILQ_INSERT_AFTER
+#define MINIOS_TAILQ_INSERT_BEFORE TAILQ_INSERT_BEFORE
+#define MINIOS_TAILQ_INSERT_HEAD TAILQ_INSERT_HEAD
+#define MINIOS_TAILQ_INSERT_TAIL TAILQ_INSERT_TAIL
+#define MINIOS_TAILQ_LAST TAILQ_LAST
+#define MINIOS_TAILQ_NEXT TAILQ_NEXT
+#define MINIOS_TAILQ_PREV TAILQ_PREV
+#define MINIOS_TAILQ_REMOVE TAILQ_REMOVE
+#define MINIOS_TAILQ_SWAP TAILQ_SWAP
+
+#endif /* MINIOS_QUEUE_H__ */
--- /dev/null
+#ifndef __MINIOS_SCHED_H__
+#define __MINIOS_SCHED_H__
+
+#include <mini-os/time.h>
+#include <mini-os/machine/sched.h>
+
+#include <sys/queue.h>
+
+struct thread {
+ const char *name;
+ char *stack;
+ size_t stack_size;
+ struct thread_md md;
+ TAILQ_ENTRY(thread) thread_list;
+ uint32_t flags;
+ s_time_t wakeup_time;
+ int threrrno;
+ void *lwp;
+ void *cookie;
+};
+
+extern struct thread *idle_thread;
+void idle_thread_fn(void *unused);
+
+#define RUNNABLE_FLAG 0x00000001
+#define THREAD_MUSTJOIN 0x00000002
+#define THREAD_JOINED 0x00000004
+#define THREAD_EXTSTACK 0x00000008
+#define THREAD_TIMEDOUT 0x00000010
+
+#define is_runnable(_thread) (_thread->flags & RUNNABLE_FLAG)
+#define set_runnable(_thread) (_thread->flags |= RUNNABLE_FLAG)
+#define clear_runnable(_thread) (_thread->flags &= ~RUNNABLE_FLAG)
+
+void switch_threads(struct thread *prev, struct thread *next);
+
+ /* Architecture specific setup of thread creation. */
+struct thread* arch_create_thread(const char *name, void (*function)(void *),
+ void *data, void *stack);
+
+void init_sched(void);
+void run_idle_thread(void);
+struct thread* minios_create_thread(const char *name, void *cookie,
+ void (*f)(void *), void *data, void *stack);
+void minios_exit_thread(void) __attribute__((noreturn));
+void minios_join_thread(struct thread *);
+void minios_set_sched_hook(void (*hook)(void *, void *));
+struct thread *minios_init_mainlwp(void *cookie);
+void minios_schedule(void);
+
+#define current get_current()
+
+void minios_wake(struct thread *thread);
+void minios_block(struct thread *thread);
+int minios_msleep(uint32_t millisecs);
+int minios_absmsleep(uint32_t millisecs);
+
+#endif /* __MINIOS_SCHED_H__ */
--- /dev/null
+#ifndef _MINIOS_SEMAPHORE_H_
+#define _MINIOS_SEMAPHORE_H_
+
+#include <mini-os/wait.h>
+#include <mini-os/spinlock.h>
+
+/*
+ * Implementation of semaphore in Mini-os is simple, because
+ * there are no preemptive threads, the atomicity is guaranteed.
+ */
+
+struct semaphore
+{
+ int count;
+ struct wait_queue_head wait;
+};
+
+/*
+ * the semaphore definition
+ */
+struct rw_semaphore {
+ signed long count;
+ spinlock_t wait_lock;
+ int debug;
+};
+
+#define __SEMAPHORE_INITIALIZER(name, n) \
+{ \
+ .count = n, \
+ .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
+}
+
+#define __MUTEX_INITIALIZER(name) \
+ __SEMAPHORE_INITIALIZER(name,1)
+
+#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
+ struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
+
+#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
+
+#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
+
+static inline void init_SEMAPHORE(struct semaphore *sem, int count)
+{
+ sem->count = count;
+ minios_init_waitqueue_head(&sem->wait);
+}
+
+#define init_MUTEX(sem) init_SEMAPHORE(sem, 1)
+
+static inline int trydown(struct semaphore *sem)
+{
+ unsigned long flags;
+ int ret = 0;
+ local_irq_save(flags);
+ if (sem->count > 0) {
+ ret = 1;
+ sem->count--;
+ }
+ local_irq_restore(flags);
+ return ret;
+}
+
+static void inline down(struct semaphore *sem)
+{
+ unsigned long flags;
+ while (1) {
+ minios_wait_event(sem->wait, sem->count > 0);
+ local_irq_save(flags);
+ if (sem->count > 0)
+ break;
+ local_irq_restore(flags);
+ }
+ sem->count--;
+ local_irq_restore(flags);
+}
+
+static void inline up(struct semaphore *sem)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ sem->count++;
+ minios_wake_up(&sem->wait);
+ local_irq_restore(flags);
+}
+
+/* FIXME! Thre read/write semaphores are unimplemented! */
+static inline void init_rwsem(struct rw_semaphore *sem)
+{
+ sem->count = 1;
+}
+
+static inline void down_read(struct rw_semaphore *sem)
+{
+}
+
+
+static inline void up_read(struct rw_semaphore *sem)
+{
+}
+
+static inline void up_write(struct rw_semaphore *sem)
+{
+}
+
+static inline void down_write(struct rw_semaphore *sem)
+{
+}
+
+#endif /* _MINIOS_SEMAPHORE_H */
--- /dev/null
+#ifndef __MINIOS_ASM_SPINLOCK_H
+#define __MINIOS_ASM_SPINLOCK_H
+
+#ifndef __RUMP_KERNEL__
+#include <mini-os/lib.h>
+#endif
+
+/*
+ * Your basic SMP spinlocks, allowing only a single CPU anywhere
+ */
+
+typedef struct {
+ volatile unsigned int slock;
+} spinlock_t;
+
+
+#include <mini-os/machine/spinlock.h>
+
+
+#define SPINLOCK_MAGIC 0xdead4ead
+
+#define SPIN_LOCK_UNLOCKED ARCH_SPIN_LOCK_UNLOCKED
+
+#define spin_lock_init(x) do { *(x) = SPIN_LOCK_UNLOCKED; } while(0)
+
+/*
+ * Simple spin lock operations. There are two variants, one clears IRQ's
+ * on the local processor, one does not.
+ *
+ * We make no fairness assumptions. They have a cost.
+ */
+
+#define spin_is_locked(x) arch_spin_is_locked(x)
+
+#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
+
+
+#define _spin_trylock(lock) ({_raw_spin_trylock(lock) ? \
+ 1 : ({ 0;});})
+
+#define _spin_lock(lock) \
+do { \
+ _raw_spin_lock(lock); \
+} while(0)
+
+#define _spin_unlock(lock) \
+do { \
+ _raw_spin_unlock(lock); \
+} while (0)
+
+
+#define spin_lock(lock) _spin_lock(lock)
+#define spin_unlock(lock) _spin_unlock(lock)
+
+#define DEFINE_SPINLOCK(x) spinlock_t x = SPIN_LOCK_UNLOCKED
+
+#endif
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ ****************************************************************************
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ * (C) 2005 - Grzegorz Milos - Intel Research Cambridge
+ ****************************************************************************
+ *
+ * File: time.h
+ * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
+ * Changes: Grzegorz Milos (gm281@cam.ac.uk)
+ * Robert Kaiser (kaiser@informatik.fh-wiesbaden.de)
+ *
+ * Date: Jul 2003, changes: Jun 2005, Sep 2006
+ *
+ * Environment: Xen Minimal OS
+ * Description: Time and timer functions
+ *
+ ****************************************************************************
+ */
+
+#ifndef _MINIOS_TIME_H_
+#define _MINIOS_TIME_H_
+#include <mini-os/types.h>
+
+/*
+ * System Time
+ * 64 bit value containing the nanoseconds elapsed since boot time.
+ * This value is adjusted by frequency drift.
+ * NOW() returns the current time.
+ * The other macros are for convenience to approximate short intervals
+ * of real time into system time
+ */
+typedef int64_t s_time_t;
+#define NOW() ((s_time_t)monotonic_clock())
+#define SECONDS(_s) (((s_time_t)(_s)) * 1000000000UL )
+#define TENTHS(_ts) (((s_time_t)(_ts)) * 100000000UL )
+#define HUNDREDTHS(_hs) (((s_time_t)(_hs)) * 10000000UL )
+#define MILLISECS(_ms) (((s_time_t)(_ms)) * 1000000UL )
+#define MICROSECS(_us) (((s_time_t)(_us)) * 1000UL )
+#define Time_Max ((s_time_t) 0x7fffffffffffffffLL)
+#define FOREVER Time_Max
+#define NSEC_TO_USEC(_nsec) ((_nsec) / 1000UL)
+#define NSEC_TO_MSEC(_nsec) ((_nsec) / 1000000ULL)
+#define NSEC_TO_SEC(_nsec) ((_nsec) / 1000000000ULL)
+
+#include <sys/time.h>
+
+
+/* prototypes */
+void init_time(void);
+void fini_time(void);
+s_time_t get_s_time(void);
+s_time_t get_v_time(void);
+uint64_t monotonic_clock(void);
+void block_domain(s_time_t until);
+
+#endif /* _MINIOS_TIME_H_ */
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ ****************************************************************************
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ ****************************************************************************
+ *
+ * File: types.h
+ * Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
+ * Changes:
+ *
+ * Date: May 2003
+ *
+ * Environment: Xen Minimal OS
+ * Description: a random collection of type definitions
+ *
+ ****************************************************************************
+ * $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
+ ****************************************************************************
+ */
+
+#ifndef _MINIOS_TYPES_H_
+#define _MINIOS_TYPES_H_
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __i386__
+typedef struct { unsigned long pte_low, pte_high; } pte_t;
+
+#elif defined(__x86_64__) || defined(__ia64__)
+
+typedef struct { unsigned long pte; } pte_t;
+#endif /* __i386__ || __x86_64__ */
+
+#ifdef __x86_64__
+#define __pte(x) ((pte_t) { (x) } )
+#else
+#define __pte(x) ({ unsigned long long _x = (x); \
+ ((pte_t) {(unsigned long)(_x), (unsigned long)(_x>>32)}); })
+#endif
+
+#endif /* _MINIOS_TYPES_H_ */
--- /dev/null
+#ifndef __MINIOS_WAIT_H__
+#define __MINIOS_WAIT_H__
+
+#include <mini-os/sched.h>
+#include <mini-os/os.h>
+#include <mini-os/waittypes.h>
+
+#include <sys/queue.h>
+
+#define DEFINE_WAIT(name) \
+struct wait_queue name = { \
+ .thread = get_current(), \
+ .waiting = 0, \
+}
+
+
+static inline void minios_init_waitqueue_head(struct wait_queue_head *h)
+{
+ STAILQ_INIT(h);
+}
+
+static inline void minios_init_waitqueue_entry(struct wait_queue *q, struct thread *thread)
+{
+ q->thread = thread;
+ q->waiting = 0;
+}
+
+static inline void minios_add_wait_queue(struct wait_queue_head *h, struct wait_queue *q)
+{
+ if (!q->waiting) {
+ STAILQ_INSERT_HEAD(h, q, thread_list);
+ q->waiting = 1;
+ }
+}
+
+static inline void minios_remove_wait_queue(struct wait_queue_head *h, struct wait_queue *q)
+{
+ if (q->waiting) {
+ STAILQ_REMOVE(h, q, wait_queue, thread_list);
+ q->waiting = 0;
+ }
+}
+
+static inline void minios_wake_up(struct wait_queue_head *head)
+{
+ unsigned long flags;
+ struct wait_queue *curr, *tmp;
+ local_irq_save(flags);
+ STAILQ_FOREACH_SAFE(curr, head, thread_list, tmp)
+ minios_wake(curr->thread);
+ local_irq_restore(flags);
+}
+
+#define minios_add_waiter(w, wq) do { \
+ unsigned long flags; \
+ local_irq_save(flags); \
+ minios_add_wait_queue(&wq, &w); \
+ minios_block(get_current()); \
+ local_irq_restore(flags); \
+} while (0)
+
+#define minios_remove_waiter(w, wq) do { \
+ unsigned long flags; \
+ local_irq_save(flags); \
+ minios_remove_wait_queue(&wq, &w); \
+ local_irq_restore(flags); \
+} while (0)
+
+#define minios_wait_event_deadline(wq, condition, deadline) do { \
+ unsigned long flags; \
+ DEFINE_WAIT(__wait); \
+ if(condition) \
+ break; \
+ for(;;) \
+ { \
+ /* protect the list */ \
+ local_irq_save(flags); \
+ minios_add_wait_queue(&wq, &__wait); \
+ get_current()->wakeup_time = deadline; \
+ clear_runnable(get_current()); \
+ local_irq_restore(flags); \
+ if((condition) || (deadline && NOW() >= deadline)) \
+ break; \
+ minios_schedule(); \
+ } \
+ local_irq_save(flags); \
+ /* need to wake up */ \
+ minios_wake(get_current()); \
+ minios_remove_wait_queue(&wq, &__wait); \
+ local_irq_restore(flags); \
+} while(0)
+
+#define minios_wait_event(wq, condition) minios_wait_event_deadline(wq, condition, 0)
+
+
+
+#endif /* __MINIOS_WAIT_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--- /dev/null
+#ifndef __MINIOS_WAITTYPE_H__
+#define __MINIOS_WAITTYPE_H__
+
+#include <sys/queue.h>
+
+struct thread;
+struct wait_queue
+{
+ int waiting;
+ struct thread *thread;
+ STAILQ_ENTRY(wait_queue) thread_list;
+};
+
+/* TODO - lock required? */
+STAILQ_HEAD(wait_queue_head, wait_queue);
+
+#define DECLARE_WAIT_QUEUE_HEAD(name) \
+ struct wait_queue_head name = STAILQ_HEAD_INITIALIZER(name)
+
+#define __WAIT_QUEUE_HEAD_INITIALIZER(name) STAILQ_HEAD_INITIALIZER(name)
+
+#endif
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--- /dev/null
+
+#ifndef __ARCH_LIMITS_H__
+#define __ARCH_LIMITS_H__
+
+#define __PAGE_SHIFT 12
+
+#ifdef __ASSEMBLY__
+#define __PAGE_SIZE (1 << __PAGE_SHIFT)
+#else
+#ifdef __x86_64__
+#define __PAGE_SIZE (1UL << __PAGE_SHIFT)
+#else
+#define __PAGE_SIZE (1ULL << __PAGE_SHIFT)
+#endif
+#endif
+
+#define __STACK_SIZE_PAGE_ORDER 4
+#define __STACK_SIZE (__PAGE_SIZE * (1 << __STACK_SIZE_PAGE_ORDER))
+
+#endif /* __ARCH_LIMITS_H__ */
--- /dev/null
+/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
+ *
+ * (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
+ * Copyright (c) 2005, Keir A Fraser
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _ARCH_MM_H_
+#define _ARCH_MM_H_
+
+#ifndef __ASSEMBLY__
+#include <xen/xen.h>
+#if defined(__i386__)
+#include <xen/arch-x86_32.h>
+#elif defined(__x86_64__)
+#include <xen/arch-x86_64.h>
+#else
+#error "Unsupported architecture"
+#endif
+#endif
+
+#ifndef __RUMP_KERNEL__
+
+#define L1_FRAME 1
+#define L2_FRAME 2
+#define L3_FRAME 3
+
+#define L1_PAGETABLE_SHIFT 12
+
+#if defined(__i386__)
+
+#define L2_PAGETABLE_SHIFT 21
+#define L3_PAGETABLE_SHIFT 30
+
+#define L1_PAGETABLE_ENTRIES 512
+#define L2_PAGETABLE_ENTRIES 512
+#define L3_PAGETABLE_ENTRIES 4
+
+#define PADDR_BITS 44
+#define PADDR_MASK ((1ULL << PADDR_BITS)-1)
+
+#define L2_MASK ((1UL << L3_PAGETABLE_SHIFT) - 1)
+
+/*
+ * If starting from virtual address greater than 0xc0000000,
+ * this value will be 2 to account for final mid-level page
+ * directory which is always mapped in at this location.
+ */
+#define NOT_L1_FRAMES 3
+#define PRIpte "016llx"
+#ifndef __ASSEMBLY__
+typedef uint64_t pgentry_t;
+#endif
+
+#elif defined(__x86_64__)
+
+#define L2_PAGETABLE_SHIFT 21
+#define L3_PAGETABLE_SHIFT 30
+#define L4_PAGETABLE_SHIFT 39
+
+#define L1_PAGETABLE_ENTRIES 512
+#define L2_PAGETABLE_ENTRIES 512
+#define L3_PAGETABLE_ENTRIES 512
+#define L4_PAGETABLE_ENTRIES 512
+
+/* These are page-table limitations. Current CPUs support only 40-bit phys. */
+#define PADDR_BITS 52
+#define VADDR_BITS 48
+#define PADDR_MASK ((1UL << PADDR_BITS)-1)
+#define VADDR_MASK ((1UL << VADDR_BITS)-1)
+
+#define L2_MASK ((1UL << L3_PAGETABLE_SHIFT) - 1)
+#define L3_MASK ((1UL << L4_PAGETABLE_SHIFT) - 1)
+
+#define NOT_L1_FRAMES 3
+#define PRIpte "016lx"
+#ifndef __ASSEMBLY__
+typedef unsigned long pgentry_t;
+#endif
+
+#endif
+
+#define L1_MASK ((1UL << L2_PAGETABLE_SHIFT) - 1)
+
+/* Given a virtual address, get an entry offset into a page table. */
+#define l1_table_offset(_a) \
+ (((_a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1))
+#define l2_table_offset(_a) \
+ (((_a) >> L2_PAGETABLE_SHIFT) & (L2_PAGETABLE_ENTRIES - 1))
+#define l3_table_offset(_a) \
+ (((_a) >> L3_PAGETABLE_SHIFT) & (L3_PAGETABLE_ENTRIES - 1))
+#if defined(__x86_64__)
+#define l4_table_offset(_a) \
+ (((_a) >> L4_PAGETABLE_SHIFT) & (L4_PAGETABLE_ENTRIES - 1))
+#endif
+
+#define _PAGE_PRESENT 0x001ULL
+#define _PAGE_RW 0x002ULL
+#define _PAGE_USER 0x004ULL
+#define _PAGE_PWT 0x008ULL
+#define _PAGE_PCD 0x010ULL
+#define _PAGE_ACCESSED 0x020ULL
+#define _PAGE_DIRTY 0x040ULL
+#define _PAGE_PAT 0x080ULL
+#define _PAGE_PSE 0x080ULL
+#define _PAGE_GLOBAL 0x100ULL
+
+#if defined(__i386__)
+#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED)
+#define L1_PROT_RO (_PAGE_PRESENT|_PAGE_ACCESSED)
+#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY |_PAGE_USER)
+#define L3_PROT (_PAGE_PRESENT)
+#elif defined(__x86_64__)
+#define L1_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_USER)
+#define L1_PROT_RO (_PAGE_PRESENT|_PAGE_ACCESSED|_PAGE_USER)
+#define L2_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
+#define L3_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
+#define L4_PROT (_PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY|_PAGE_USER)
+#endif /* __i386__ || __x86_64__ */
+
+/* flags for ioremap */
+#define IO_PROT (L1_PROT)
+#define IO_PROT_NOCACHE (L1_PROT | _PAGE_PCD)
+
+/* for P2M */
+#define INVALID_P2M_ENTRY (~0UL)
+
+#include <mini-os/machine/limits.h>
+#define PAGE_SIZE __PAGE_SIZE
+#define PAGE_SHIFT __PAGE_SHIFT
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> L1_PAGETABLE_SHIFT)
+#define PFN_DOWN(x) ((x) >> L1_PAGETABLE_SHIFT)
+#define PFN_PHYS(x) ((uint64_t)(x) << L1_PAGETABLE_SHIFT)
+#define PHYS_PFN(x) ((x) >> L1_PAGETABLE_SHIFT)
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+#ifndef __ASSEMBLY__
+/* Definitions for machine and pseudophysical addresses. */
+#ifdef __i386__
+typedef unsigned long long paddr_t;
+typedef unsigned long long maddr_t;
+#else
+typedef unsigned long paddr_t;
+typedef unsigned long maddr_t;
+#endif
+
+extern unsigned long *_minios_phys_to_machine_mapping;
+extern char _text, _etext, _erodata, _edata, _end;
+extern unsigned long _minios_mfn_zero;
+#define pfn_to_mfn(_pfn) (_minios_phys_to_machine_mapping[(_pfn)])
+static __inline__ maddr_t phys_to_machine(paddr_t phys)
+{
+ maddr_t machine = pfn_to_mfn(phys >> PAGE_SHIFT);
+ machine = (machine << PAGE_SHIFT) | (phys & ~PAGE_MASK);
+ return machine;
+}
+
+#define mfn_to_pfn(_mfn) (machine_to_phys_mapping[(_mfn)])
+static __inline__ paddr_t machine_to_phys(maddr_t machine)
+{
+ paddr_t phys = mfn_to_pfn(machine >> PAGE_SHIFT);
+ phys = (phys << PAGE_SHIFT) | (machine & ~PAGE_MASK);
+ return phys;
+}
+#endif
+
+#define VIRT_START ((unsigned long)&_text)
+
+#define to_phys(x) ((unsigned long)(x)-VIRT_START)
+#define to_virt(x) ((void *)((unsigned long)(x)+VIRT_START))
+
+#define virt_to_pfn(_virt) (PFN_DOWN(to_phys(_virt)))
+#define virt_to_mfn(_virt) (pfn_to_mfn(virt_to_pfn(_virt)))
+#define mach_to_virt(_mach) (to_virt(machine_to_phys(_mach)))
+#define virt_to_mach(_virt) (phys_to_machine(to_phys(_virt)))
+#define mfn_to_virt(_mfn) (to_virt(mfn_to_pfn(_mfn) << PAGE_SHIFT))
+#define pfn_to_virt(_pfn) (to_virt((_pfn) << PAGE_SHIFT))
+
+/* Pagetable walking. */
+#define pte_to_mfn(_pte) (((_pte) & (PADDR_MASK&PAGE_MASK)) >> L1_PAGETABLE_SHIFT)
+#define pte_to_virt(_pte) to_virt(mfn_to_pfn(pte_to_mfn(_pte)) << PAGE_SHIFT)
+
+
+#define PT_BASE ((pgentry_t *)start_info.pt_base)
+
+#ifdef __x86_64__
+#define virtual_to_l3(_virt) ((pgentry_t *)pte_to_virt(PT_BASE[l4_table_offset(_virt)]))
+#else
+#define virtual_to_l3(_virt) PT_BASE
+#endif
+
+#define virtual_to_l2(_virt) ({ \
+ unsigned long __virt2 = (_virt); \
+ (pgentry_t *) pte_to_virt(virtual_to_l3(__virt2)[l3_table_offset(__virt2)]); \
+})
+
+#define virtual_to_l1(_virt) ({ \
+ unsigned long __virt1 = (_virt); \
+ (pgentry_t *) pte_to_virt(virtual_to_l2(__virt1)[l2_table_offset(__virt1)]); \
+})
+
+#define virtual_to_pte(_virt) ({ \
+ unsigned long __virt0 = (unsigned long) (_virt); \
+ virtual_to_l1(__virt0)[l1_table_offset(__virt0)]; \
+})
+#define virtual_to_mfn(_virt) pte_to_mfn(virtual_to_pte(_virt))
+
+#define map_frames(f, n) map_frames_ex(f, n, 1, 0, 1, DOMID_SELF, NULL, L1_PROT)
+#define map_zero(n, a) map_frames_ex(&mfn_zero, n, 0, 0, a, DOMID_SELF, NULL, L1_PROT_RO)
+#define do_map_zero(start, n) do_map_frames(start, &mfn_zero, n, 0, 0, DOMID_SELF, NULL, L1_PROT_RO)
+
+pgentry_t *need_pgt(unsigned long addr);
+int mfn_is_ram(unsigned long mfn);
+
+#endif /* !__RUMP_KERNEL__ */
+
+#endif /* _ARCH_MM_H_ */
--- /dev/null
+/******************************************************************************
+ * os.h
+ *
+ * random collection of macros and definition
+ */
+
+#ifndef _MINIOS_X86_OS_H_
+#define _MINIOS_X86_OS_H_
+
+#include <xen/xen.h>
+
+#define __KERNEL_CS FLAT_KERNEL_CS
+#define __KERNEL_DS FLAT_KERNEL_DS
+#define __KERNEL_SS FLAT_KERNEL_SS
+
+#define TRAP_divide_error 0
+#define TRAP_debug 1
+#define TRAP_nmi 2
+#define TRAP_int3 3
+#define TRAP_overflow 4
+#define TRAP_bounds 5
+#define TRAP_invalid_op 6
+#define TRAP_no_device 7
+#define TRAP_double_fault 8
+#define TRAP_copro_seg 9
+#define TRAP_invalid_tss 10
+#define TRAP_no_segment 11
+#define TRAP_stack_error 12
+#define TRAP_gp_fault 13
+#define TRAP_page_fault 14
+#define TRAP_spurious_int 15
+#define TRAP_copro_error 16
+#define TRAP_alignment_check 17
+#define TRAP_machine_check 18
+#define TRAP_simd_error 19
+#define TRAP_deferred_nmi 31
+
+/* Everything below this point is not included by assembler (.S) files. */
+#ifndef __ASSEMBLY__
+
+extern shared_info_t *HYPERVISOR_shared_info;
+
+void trap_init(void);
+void trap_fini(void);
+
+void arch_init(start_info_t *si);
+void arch_print_info(void);
+void arch_fini(void);
+
+
+
+
+
+/*
+ * The use of 'barrier' in the following reflects their use as local-lock
+ * operations. Reentrancy must be prevented (e.g., __cli()) /before/ following
+ * critical operations are executed. All critical operations must complete
+ * /before/ reentrancy is permitted (e.g., __sti()). Alpha architecture also
+ * includes these barriers, for example.
+ */
+
+#define __cli() \
+do { \
+ vcpu_info_t *_vcpu; \
+ _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
+ _vcpu->evtchn_upcall_mask = 1; \
+ barrier(); \
+} while (0)
+
+#define __sti() \
+do { \
+ vcpu_info_t *_vcpu; \
+ barrier(); \
+ _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
+ _vcpu->evtchn_upcall_mask = 0; \
+ barrier(); /* unmask then check (avoid races) */ \
+ if ( unlikely(_vcpu->evtchn_upcall_pending) ) \
+ minios_force_evtchn_callback(); \
+} while (0)
+
+#define __save_flags(x) \
+do { \
+ vcpu_info_t *_vcpu; \
+ _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
+ (x) = _vcpu->evtchn_upcall_mask; \
+} while (0)
+
+#define __restore_flags(x) \
+do { \
+ vcpu_info_t *_vcpu; \
+ barrier(); \
+ _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
+ if ((_vcpu->evtchn_upcall_mask = (x)) == 0) { \
+ barrier(); /* unmask then check (avoid races) */ \
+ if ( unlikely(_vcpu->evtchn_upcall_pending) ) \
+ minios_force_evtchn_callback(); \
+ }\
+} while (0)
+
+#define safe_halt() ((void)0)
+
+#define __save_and_cli(x) \
+do { \
+ vcpu_info_t *_vcpu; \
+ _vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()]; \
+ (x) = _vcpu->evtchn_upcall_mask; \
+ _vcpu->evtchn_upcall_mask = 1; \
+ barrier(); \
+} while (0)
+
+#define local_irq_save(x) __save_and_cli(x)
+#define local_irq_restore(x) __restore_flags(x)
+#define local_save_flags(x) __save_flags(x)
+#define local_irq_disable() __cli()
+#define local_irq_enable() __sti()
+
+#define irqs_disabled() \
+ HYPERVISOR_shared_info->vcpu_info[smp_processor_id()].evtchn_upcall_mask
+
+/* This is a barrier for the compiler only, NOT the processor! */
+#define barrier() __asm__ __volatile__("": : :"memory")
+
+#if defined(__i386__)
+#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
+#define rmb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
+#define wmb() __asm__ __volatile__ ("": : :"memory")
+#elif defined(__x86_64__)
+#define mb() __asm__ __volatile__ ("mfence":::"memory")
+#define rmb() __asm__ __volatile__ ("lfence":::"memory")
+#define wmb() __asm__ __volatile__ ("sfence" ::: "memory") /* From CONFIG_UNORDERED_IO (linux) */
+#endif
+
+
+#define LOCK_PREFIX ""
+#define LOCK ""
+#define ADDR (*(volatile long *) addr)
+/*
+ * Make sure gcc doesn't try to be clever and move things around
+ * on us. We need to use _exactly_ the address the user gave us,
+ * not some alias that contains the same information.
+ */
+typedef struct { volatile int counter; } atomic_t;
+
+
+/************************** i386 *******************************/
+#if defined (__i386__)
+
+#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__("xchgb %b0,%1"
+ :"=q" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 2:
+ __asm__ __volatile__("xchgw %w0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 4:
+ __asm__ __volatile__("xchgl %0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ }
+ return x;
+}
+
+/**
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It can be reorderdered on other architectures other than x86.
+ * It also implies a memory barrier.
+ */
+static inline int test_and_clear_bit(int nr, volatile unsigned long * addr)
+{
+ int oldbit;
+
+ __asm__ __volatile__( LOCK
+ "btrl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit),"=m" (ADDR)
+ :"Ir" (nr) : "memory");
+ return oldbit;
+}
+
+static inline int constant_test_bit(int nr, const volatile unsigned long *addr)
+{
+ return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0;
+}
+
+static inline int variable_test_bit(int nr, const volatile unsigned long * addr)
+{
+ int oldbit;
+
+ __asm__ __volatile__(
+ "btl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit)
+ :"m" (ADDR),"Ir" (nr));
+ return oldbit;
+}
+
+#define test_bit(nr,addr) \
+(__builtin_constant_p(nr) ? \
+ constant_test_bit((nr),(addr)) : \
+ variable_test_bit((nr),(addr)))
+
+/**
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered. See __set_bit()
+ * if you do not require the atomic guarantees.
+ *
+ * Note: there are no guarantees that this function will not be reordered
+ * on non x86 architectures, so if you are writting portable code,
+ * make sure not to rely on its reordering guarantees.
+ *
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+static inline void set_bit(int nr, volatile unsigned long * addr)
+{
+ __asm__ __volatile__( LOCK
+ "btsl %1,%0"
+ :"=m" (ADDR)
+ :"Ir" (nr));
+}
+
+/**
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered. However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
+ * in order to ensure changes are visible on other processors.
+ */
+static inline void clear_bit(int nr, volatile unsigned long * addr)
+{
+ __asm__ __volatile__( LOCK
+ "btrl %1,%0"
+ :"=m" (ADDR)
+ :"Ir" (nr));
+}
+
+/**
+ * __ffs - find first bit in word.
+ * @word: The word to search
+ *
+ * Undefined if no bit exists, so code should check against 0 first.
+ */
+static inline unsigned long __ffs(unsigned long word)
+{
+ __asm__("bsfl %1,%0"
+ :"=r" (word)
+ :"rm" (word));
+ return word;
+}
+
+
+/*
+ * These have to be done with inline assembly: that way the bit-setting
+ * is guaranteed to be atomic. All bit operations return 0 if the bit
+ * was cleared before the operation and != 0 if it was not.
+ *
+ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
+ */
+#define ADDR (*(volatile long *) addr)
+
+#define rdtscll(val) \
+ __asm__ __volatile__("rdtsc" : "=A" (val))
+
+
+
+#elif defined(__x86_64__)/* ifdef __i386__ */
+/************************** x86_84 *******************************/
+
+#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
+#define __xg(x) ((volatile long *)(x))
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__("xchgb %b0,%1"
+ :"=q" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 2:
+ __asm__ __volatile__("xchgw %w0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 4:
+ __asm__ __volatile__("xchgl %k0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 8:
+ __asm__ __volatile__("xchgq %0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ }
+ return x;
+}
+
+/**
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.
+ * It also implies a memory barrier.
+ */
+static __inline__ int test_and_clear_bit(int nr, volatile void * addr)
+{
+ int oldbit;
+
+ __asm__ __volatile__( LOCK_PREFIX
+ "btrl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit),"=m" (ADDR)
+ :"dIr" (nr) : "memory");
+ return oldbit;
+}
+
+static __inline__ int constant_test_bit(int nr, const volatile void * addr)
+{
+ return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+static __inline__ int variable_test_bit(int nr, volatile const void * addr)
+{
+ int oldbit;
+
+ __asm__ __volatile__(
+ "btl %2,%1\n\tsbbl %0,%0"
+ :"=r" (oldbit)
+ :"m" (ADDR),"dIr" (nr));
+ return oldbit;
+}
+
+#define test_bit(nr,addr) \
+(__builtin_constant_p(nr) ? \
+ constant_test_bit((nr),(addr)) : \
+ variable_test_bit((nr),(addr)))
+
+
+/**
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered. See __set_bit()
+ * if you do not require the atomic guarantees.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+static __inline__ void set_bit(int nr, volatile void * addr)
+{
+ __asm__ __volatile__( LOCK_PREFIX
+ "btsl %1,%0"
+ :"=m" (ADDR)
+ :"dIr" (nr) : "memory");
+}
+
+/**
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered. However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
+ * in order to ensure changes are visible on other processors.
+ */
+static __inline__ void clear_bit(int nr, volatile void * addr)
+{
+ __asm__ __volatile__( LOCK_PREFIX
+ "btrl %1,%0"
+ :"=m" (ADDR)
+ :"dIr" (nr));
+}
+
+/**
+ * __ffs - find first bit in word.
+ * @word: The word to search
+ *
+ * Undefined if no bit exists, so code should check against 0 first.
+ */
+static __inline__ unsigned long __ffs(unsigned long word)
+{
+ __asm__("bsfq %1,%0"
+ :"=r" (word)
+ :"rm" (word));
+ return word;
+}
+
+#define ADDR (*(volatile long *) addr)
+
+#define rdtscll(val) do { \
+ unsigned int __a,__d; \
+ asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
+ (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
+} while(0)
+
+#define wrmsr(msr,val1,val2) \
+ __asm__ __volatile__("wrmsr" \
+ : /* no outputs */ \
+ : "c" (msr), "a" (val1), "d" (val2))
+
+#define wrmsrl(msr,val) wrmsr(msr,(uint32_t)((uint64_t)(val)),((uint64_t)(val))>>32)
+
+
+#else /* ifdef __x86_64__ */
+#error "Unsupported architecture"
+#endif
+
+/********************* common i386 and x86_64 ****************************/
+struct __synch_xchg_dummy { unsigned long a[100]; };
+#define __synch_xg(x) ((struct __synch_xchg_dummy *)(x))
+
+#define synch_cmpxchg(ptr, old, new) \
+((__typeof__(*(ptr)))__synch_cmpxchg((ptr),\
+ (unsigned long)(old), \
+ (unsigned long)(new), \
+ sizeof(*(ptr))))
+
+static inline unsigned long __synch_cmpxchg(volatile void *ptr,
+ unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long prev;
+ switch (size) {
+ case 1:
+ __asm__ __volatile__("lock; cmpxchgb %b1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__synch_xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+ case 2:
+ __asm__ __volatile__("lock; cmpxchgw %w1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__synch_xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+#ifdef __x86_64__
+ case 4:
+ __asm__ __volatile__("lock; cmpxchgl %k1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__synch_xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+ case 8:
+ __asm__ __volatile__("lock; cmpxchgq %1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__synch_xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+#else
+ case 4:
+ __asm__ __volatile__("lock; cmpxchgl %1,%2"
+ : "=a"(prev)
+ : "r"(new), "m"(*__synch_xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+#endif
+ }
+ return old;
+}
+
+
+static __inline__ void synch_set_bit(int nr, volatile void * addr)
+{
+ __asm__ __volatile__ (
+ "lock btsl %1,%0"
+ : "=m" (ADDR) : "Ir" (nr) : "memory" );
+}
+
+static __inline__ void synch_clear_bit(int nr, volatile void * addr)
+{
+ __asm__ __volatile__ (
+ "lock btrl %1,%0"
+ : "=m" (ADDR) : "Ir" (nr) : "memory" );
+}
+
+static __inline__ int synch_test_and_set_bit(int nr, volatile void * addr)
+{
+ int oldbit;
+ __asm__ __volatile__ (
+ "lock btsl %2,%1\n\tsbbl %0,%0"
+ : "=r" (oldbit), "=m" (ADDR) : "Ir" (nr) : "memory");
+ return oldbit;
+}
+
+static __inline__ int synch_test_and_clear_bit(int nr, volatile void * addr)
+{
+ int oldbit;
+ __asm__ __volatile__ (
+ "lock btrl %2,%1\n\tsbbl %0,%0"
+ : "=r" (oldbit), "=m" (ADDR) : "Ir" (nr) : "memory");
+ return oldbit;
+}
+
+static __inline__ int synch_const_test_bit(int nr, const volatile void * addr)
+{
+ return ((1UL << (nr & 31)) &
+ (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+static __inline__ int synch_var_test_bit(int nr, volatile void * addr)
+{
+ int oldbit;
+ __asm__ __volatile__ (
+ "btl %2,%1\n\tsbbl %0,%0"
+ : "=r" (oldbit) : "m" (ADDR), "Ir" (nr) );
+ return oldbit;
+}
+
+#define synch_test_bit(nr,addr) \
+(__builtin_constant_p(nr) ? \
+ synch_const_test_bit((nr),(addr)) : \
+ synch_var_test_bit((nr),(addr)))
+
+
+#undef ADDR
+
+#endif /* not assembly */
+#endif /* _MINIOS_X86_OS_H_ */
--- /dev/null
+
+#ifndef __ARCH_SCHED_H__
+#define __ARCH_SCHED_H__
+
+#include <mini-os/machine/limits.h>
+
+static inline struct thread* get_current(void)
+{
+ struct thread **current;
+#ifdef __i386__
+ register unsigned long sp asm("esp");
+#else
+ register unsigned long sp asm("rsp");
+#endif
+ current = (void *)(unsigned long)(sp & ~(__STACK_SIZE-1));
+ return *current;
+};
+
+struct thread_md {
+ unsigned long thrmd_sp;
+ unsigned long thrmd_ip;
+};
+#define thr_sp md.thrmd_sp
+#define thr_ip md.thrmd_ip
+
+extern void _minios_entry_arch_switch_threads(unsigned long *prevctx, unsigned long *nextctx);
+
+#define arch_switch_threads(prev,next) _minios_entry_arch_switch_threads(&(prev)->thr_sp, &(next)->thr_sp)
+
+#endif /* __ARCH_SCHED_H__ */
--- /dev/null
+
+
+#ifndef __ARCH_ASM_SPINLOCK_H
+#define __ARCH_ASM_SPINLOCK_H
+
+#ifndef __RUMP_KERNEL__
+#include <mini-os/lib.h>
+#endif
+
+#include "os.h"
+
+
+#define ARCH_SPIN_LOCK_UNLOCKED { 1 }
+
+/*
+ * Simple spin lock operations. There are two variants, one clears IRQ's
+ * on the local processor, one does not.
+ *
+ * We make no fairness assumptions. They have a cost.
+ */
+
+#define arch_spin_is_locked(x) (*(volatile signed char *)(&(x)->slock) <= 0)
+#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
+
+#define spin_lock_string \
+ "1:\n" \
+ LOCK \
+ "decb %0\n\t" \
+ "jns 3f\n" \
+ "2:\t" \
+ "rep;nop\n\t" \
+ "cmpb $0,%0\n\t" \
+ "jle 2b\n\t" \
+ "jmp 1b\n" \
+ "3:\n\t"
+
+#define spin_lock_string_flags \
+ "1:\n" \
+ LOCK \
+ "decb %0\n\t" \
+ "jns 4f\n\t" \
+ "2:\t" \
+ "testl $0x200, %1\n\t" \
+ "jz 3f\n\t" \
+ "#sti\n\t" \
+ "3:\t" \
+ "rep;nop\n\t" \
+ "cmpb $0, %0\n\t" \
+ "jle 3b\n\t" \
+ "#cli\n\t" \
+ "jmp 1b\n" \
+ "4:\n\t"
+
+/*
+ * This works. Despite all the confusion.
+ * (except on PPro SMP or if we are using OOSTORE)
+ * (PPro errata 66, 92)
+ */
+
+#define spin_unlock_string \
+ "xchgb %b0, %1" \
+ :"=q" (oldval), "=m" (lock->slock) \
+ :"0" (oldval) : "memory"
+
+static inline void _raw_spin_unlock(spinlock_t *lock)
+{
+ char oldval = 1;
+ __asm__ __volatile__(
+ spin_unlock_string
+ );
+}
+
+static inline int _raw_spin_trylock(spinlock_t *lock)
+{
+ char oldval;
+ __asm__ __volatile__(
+ "xchgb %b0,%1\n"
+ :"=q" (oldval), "=m" (lock->slock)
+ :"0" (0) : "memory");
+ return oldval > 0;
+}
+
+static inline void _raw_spin_lock(spinlock_t *lock)
+{
+ __asm__ __volatile__(
+ spin_lock_string
+ :"=m" (lock->slock) : : "memory");
+}
+
+static inline void _raw_spin_lock_flags (spinlock_t *lock, unsigned long flags)
+{
+ __asm__ __volatile__(
+ spin_lock_string_flags
+ :"=m" (lock->slock) : "r" (flags) : "memory");
+}
+
+#endif
--- /dev/null
+/*
+ ****************************************************************************
+ * (C) 2005 - Grzegorz Milos - Intel Reseach Cambridge
+ ****************************************************************************
+ *
+ * File: traps.h
+ * Author: Grzegorz Milos (gm281@cam.ac.uk)
+ *
+ * Date: Jun 2005
+ *
+ * Environment: Xen Minimal OS
+ * Description: Deals with traps
+ *
+ ****************************************************************************
+ */
+
+#ifndef _TRAPS_H_
+#define _TRAPS_H_
+
+#ifdef __i386__
+struct pt_regs {
+ long ebx;
+ long ecx;
+ long edx;
+ long esi;
+ long edi;
+ long ebp;
+ long eax;
+ int xds;
+ int xes;
+ long orig_eax;
+ long eip;
+ int xcs;
+ long eflags;
+ long esp;
+ int xss;
+};
+#elif __x86_64__
+
+struct pt_regs {
+ unsigned long r15;
+ unsigned long r14;
+ unsigned long r13;
+ unsigned long r12;
+ unsigned long rbp;
+ unsigned long rbx;
+/* arguments: non interrupts/non tracing syscalls only save upto here*/
+ unsigned long r11;
+ unsigned long r10;
+ unsigned long r9;
+ unsigned long r8;
+ unsigned long rax;
+ unsigned long rcx;
+ unsigned long rdx;
+ unsigned long rsi;
+ unsigned long rdi;
+ unsigned long orig_rax;
+/* end of arguments */
+/* cpu exception frame or undefined */
+ unsigned long rip;
+ unsigned long cs;
+ unsigned long eflags;
+ unsigned long rsp;
+ unsigned long ss;
+/* top of stack page */
+};
+
+
+#endif
+
+void dump_regs(struct pt_regs *regs);
+void stack_walk(void);
+
+#define TRAP_PF_PROT 0x1
+#define TRAP_PF_WRITE 0x2
+#define TRAP_PF_USER 0x4
+
+#endif /* _TRAPS_H_ */
--- /dev/null
+/******************************************************************************
+ * hypercall-x86_32.h
+ *
+ * Copied from XenLinux.
+ *
+ * Copyright (c) 2002-2004, K A Fraser
+ *
+ * This file may be distributed separately from the Linux kernel, or
+ * incorporated into other software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef __HYPERCALL_X86_32_H__
+#define __HYPERCALL_X86_32_H__
+
+#include <xen/xen.h>
+#include <xen/sched.h>
+#include <xen/nmi.h>
+#include <mini-os/mm.h>
+
+#define __STR(x) #x
+#define STR(x) __STR(x)
+
+extern char _minios_hypercall_page[PAGE_SIZE];
+
+#define _hypercall0(type, name) \
+({ \
+ long __res; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res) \
+ : \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall1(type, name, a1) \
+({ \
+ long __res, __ign1; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=b" (__ign1) \
+ : "1" ((long)(a1)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall2(type, name, a1, a2) \
+({ \
+ long __res, __ign1, __ign2; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=b" (__ign1), "=c" (__ign2) \
+ : "1" ((long)(a1)), "2" ((long)(a2)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall3(type, name, a1, a2, a3) \
+({ \
+ long __res, __ign1, __ign2, __ign3; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
+ "=d" (__ign3) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall4(type, name, a1, a2, a3, a4) \
+({ \
+ long __res, __ign1, __ign2, __ign3, __ign4; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
+ "=d" (__ign3), "=S" (__ign4) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)), "4" ((long)(a4)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
+({ \
+ long __res, __ign1, __ign2, __ign3, __ign4, __ign5; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=b" (__ign1), "=c" (__ign2), \
+ "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)), "4" ((long)(a4)), \
+ "5" ((long)(a5)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+static inline int
+HYPERVISOR_set_trap_table(
+ trap_info_t *table)
+{
+ return _hypercall1(int, set_trap_table, table);
+}
+
+static inline int
+HYPERVISOR_mmu_update(
+ mmu_update_t *req, int count, int *success_count, domid_t domid)
+{
+ return _hypercall4(int, mmu_update, req, count, success_count, domid);
+}
+
+static inline int
+HYPERVISOR_mmuext_op(
+ struct mmuext_op *op, int count, int *success_count, domid_t domid)
+{
+ return _hypercall4(int, mmuext_op, op, count, success_count, domid);
+}
+
+static inline int
+HYPERVISOR_set_gdt(
+ unsigned long *frame_list, int entries)
+{
+ return _hypercall2(int, set_gdt, frame_list, entries);
+}
+
+static inline int
+HYPERVISOR_stack_switch(
+ unsigned long ss, unsigned long esp)
+{
+ return _hypercall2(int, stack_switch, ss, esp);
+}
+
+static inline int
+HYPERVISOR_set_callbacks(
+ unsigned long event_selector, unsigned long event_address,
+ unsigned long failsafe_selector, unsigned long failsafe_address)
+{
+ return _hypercall4(int, set_callbacks,
+ event_selector, event_address,
+ failsafe_selector, failsafe_address);
+}
+
+static inline int
+HYPERVISOR_fpu_taskswitch(
+ int set)
+{
+ return _hypercall1(int, fpu_taskswitch, set);
+}
+
+static inline int
+HYPERVISOR_sched_op(
+ int cmd, void *arg)
+{
+ return _hypercall2(int, sched_op, cmd, arg);
+}
+
+static inline long
+HYPERVISOR_set_timer_op(
+ uint64_t timeout)
+{
+ unsigned long timeout_hi = (unsigned long)(timeout>>32);
+ unsigned long timeout_lo = (unsigned long)timeout;
+ return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
+}
+
+static inline int
+HYPERVISOR_set_debugreg(
+ int reg, unsigned long value)
+{
+ return _hypercall2(int, set_debugreg, reg, value);
+}
+
+static inline unsigned long
+HYPERVISOR_get_debugreg(
+ int reg)
+{
+ return _hypercall1(unsigned long, get_debugreg, reg);
+}
+
+static inline int
+HYPERVISOR_update_descriptor(
+ uint64_t ma, uint64_t desc)
+{
+ return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
+}
+
+static inline int
+HYPERVISOR_memory_op(
+ unsigned int cmd, void *arg)
+{
+ return _hypercall2(int, memory_op, cmd, arg);
+}
+
+static inline int
+HYPERVISOR_multicall(
+ void *call_list, int nr_calls)
+{
+ return _hypercall2(int, multicall, call_list, nr_calls);
+}
+
+static inline int
+HYPERVISOR_update_va_mapping(
+ unsigned long va, pte_t new_val, unsigned long flags)
+{
+ return _hypercall4(int, update_va_mapping, va,
+ new_val.pte_low, new_val.pte_high, flags);
+}
+
+static inline int
+HYPERVISOR_event_channel_op(
+ int cmd, void *op)
+{
+ return _hypercall2(int, event_channel_op, cmd, op);
+}
+
+static inline int
+HYPERVISOR_xen_version(
+ int cmd, void *arg)
+{
+ return _hypercall2(int, xen_version, cmd, arg);
+}
+
+static inline int
+HYPERVISOR_console_io(
+ int cmd, int count, char *str)
+{
+ return _hypercall3(int, console_io, cmd, count, str);
+}
+
+static inline int
+HYPERVISOR_physdev_op(
+ void *physdev_op)
+{
+ return _hypercall1(int, physdev_op, physdev_op);
+}
+
+static inline int
+HYPERVISOR_grant_table_op(
+ unsigned int cmd, void *uop, unsigned int count)
+{
+ return _hypercall3(int, grant_table_op, cmd, uop, count);
+}
+
+static inline int
+HYPERVISOR_update_va_mapping_otherdomain(
+ unsigned long va, pte_t new_val, unsigned long flags, domid_t domid)
+{
+ return _hypercall5(int, update_va_mapping_otherdomain, va,
+ new_val.pte_low, new_val.pte_high, flags, domid);
+}
+
+static inline int
+HYPERVISOR_vm_assist(
+ unsigned int cmd, unsigned int type)
+{
+ return _hypercall2(int, vm_assist, cmd, type);
+}
+
+static inline int
+HYPERVISOR_vcpu_op(
+ int cmd, int vcpuid, void *extra_args)
+{
+ return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
+}
+
+static inline int
+HYPERVISOR_suspend(
+ unsigned long srec)
+{
+ return _hypercall3(int, sched_op, SCHEDOP_shutdown,
+ SHUTDOWN_suspend, srec);
+}
+
+static inline int
+HYPERVISOR_nmi_op(
+ unsigned long op,
+ unsigned long arg)
+{
+ return _hypercall2(int, nmi_op, op, arg);
+}
+
+static inline int
+HYPERVISOR_sysctl(
+ unsigned long op)
+{
+ return _hypercall1(int, sysctl, op);
+}
+
+static inline int
+HYPERVISOR_domctl(
+ unsigned long op)
+{
+ return _hypercall1(int, domctl, op);
+}
+
+#endif /* __HYPERCALL_X86_32_H__ */
+
+/*
+ * Local variables:
+ * c-file-style: "linux"
+ * indent-tabs-mode: t
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * tab-width: 8
+ * End:
+ */
--- /dev/null
+/******************************************************************************
+ * hypercall-x86_64.h
+ *
+ * Copied from XenLinux.
+ *
+ * Copyright (c) 2002-2004, K A Fraser
+ *
+ * 64-bit updates:
+ * Benjamin Liu <benjamin.liu@intel.com>
+ * Jun Nakajima <jun.nakajima@intel.com>
+ *
+ * This file may be distributed separately from the Linux kernel, or
+ * incorporated into other software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef __HYPERCALL_X86_64_H__
+#define __HYPERCALL_X86_64_H__
+
+#include <xen/xen.h>
+#include <xen/sched.h>
+#include <mini-os/mm.h>
+
+#define __STR(x) #x
+#define STR(x) __STR(x)
+
+extern char _minios_hypercall_page[PAGE_SIZE];
+
+#define _hypercall0(type, name) \
+({ \
+ long __res; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res) \
+ : \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall1(type, name, a1) \
+({ \
+ long __res, __ign1; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=D" (__ign1) \
+ : "1" ((long)(a1)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall2(type, name, a1, a2) \
+({ \
+ long __res, __ign1, __ign2; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=D" (__ign1), "=S" (__ign2) \
+ : "1" ((long)(a1)), "2" ((long)(a2)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall3(type, name, a1, a2, a3) \
+({ \
+ long __res, __ign1, __ign2, __ign3; \
+ asm volatile ( \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
+ "=d" (__ign3) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)) \
+ : "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall4(type, name, a1, a2, a3, a4) \
+({ \
+ long __res, __ign1, __ign2, __ign3; \
+ asm volatile ( \
+ "movq %7,%%r10; " \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
+ "=d" (__ign3) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)), "g" ((long)(a4)) \
+ : "memory", "r10" ); \
+ (type)__res; \
+})
+
+#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
+({ \
+ long __res, __ign1, __ign2, __ign3; \
+ asm volatile ( \
+ "movq %7,%%r10; movq %8,%%r8; " \
+ "call _minios_hypercall_page + ("STR(__HYPERVISOR_##name)" * 32)"\
+ : "=a" (__res), "=D" (__ign1), "=S" (__ign2), \
+ "=d" (__ign3) \
+ : "1" ((long)(a1)), "2" ((long)(a2)), \
+ "3" ((long)(a3)), "g" ((long)(a4)), \
+ "g" ((long)(a5)) \
+ : "memory", "r10", "r8" ); \
+ (type)__res; \
+})
+
+static inline int
+HYPERVISOR_set_trap_table(
+ trap_info_t *table)
+{
+ return _hypercall1(int, set_trap_table, table);
+}
+
+static inline int
+HYPERVISOR_mmu_update(
+ mmu_update_t *req, int count, int *success_count, domid_t domid)
+{
+ return _hypercall4(int, mmu_update, req, count, success_count, domid);
+}
+
+static inline int
+HYPERVISOR_mmuext_op(
+ struct mmuext_op *op, int count, int *success_count, domid_t domid)
+{
+ return _hypercall4(int, mmuext_op, op, count, success_count, domid);
+}
+
+static inline int
+HYPERVISOR_set_gdt(
+ unsigned long *frame_list, int entries)
+{
+ return _hypercall2(int, set_gdt, frame_list, entries);
+}
+
+static inline int
+HYPERVISOR_stack_switch(
+ unsigned long ss, unsigned long esp)
+{
+ return _hypercall2(int, stack_switch, ss, esp);
+}
+
+static inline int
+HYPERVISOR_set_callbacks(
+ unsigned long event_address, unsigned long failsafe_address,
+ unsigned long syscall_address)
+{
+ return _hypercall3(int, set_callbacks,
+ event_address, failsafe_address, syscall_address);
+}
+
+static inline int
+HYPERVISOR_fpu_taskswitch(
+ int set)
+{
+ return _hypercall1(int, fpu_taskswitch, set);
+}
+
+static inline int
+HYPERVISOR_sched_op(
+ int cmd, void *arg)
+{
+ return _hypercall2(int, sched_op, cmd, arg);
+}
+
+static inline long
+HYPERVISOR_set_timer_op(
+ uint64_t timeout)
+{
+ return _hypercall1(long, set_timer_op, timeout);
+}
+
+static inline int
+HYPERVISOR_set_debugreg(
+ int reg, unsigned long value)
+{
+ return _hypercall2(int, set_debugreg, reg, value);
+}
+
+static inline unsigned long
+HYPERVISOR_get_debugreg(
+ int reg)
+{
+ return _hypercall1(unsigned long, get_debugreg, reg);
+}
+
+static inline int
+HYPERVISOR_update_descriptor(
+ unsigned long ma, unsigned long word)
+{
+ return _hypercall2(int, update_descriptor, ma, word);
+}
+
+static inline int
+HYPERVISOR_memory_op(
+ unsigned int cmd, void *arg)
+{
+ return _hypercall2(int, memory_op, cmd, arg);
+}
+
+static inline int
+HYPERVISOR_multicall(
+ void *call_list, int nr_calls)
+{
+ return _hypercall2(int, multicall, call_list, nr_calls);
+}
+
+static inline int
+HYPERVISOR_update_va_mapping(
+ unsigned long va, pte_t new_val, unsigned long flags)
+{
+ return _hypercall3(int, update_va_mapping, va, new_val.pte, flags);
+}
+
+static inline int
+HYPERVISOR_event_channel_op(
+ int cmd, void *op)
+{
+ return _hypercall2(int, event_channel_op, cmd, op);
+}
+
+static inline int
+HYPERVISOR_xen_version(
+ int cmd, void *arg)
+{
+ return _hypercall2(int, xen_version, cmd, arg);
+}
+
+static inline int
+HYPERVISOR_console_io(
+ int cmd, int count, char *str)
+{
+ return _hypercall3(int, console_io, cmd, count, str);
+}
+
+static inline int
+HYPERVISOR_physdev_op(
+ void *physdev_op)
+{
+ return _hypercall1(int, physdev_op, physdev_op);
+}
+
+static inline int
+HYPERVISOR_grant_table_op(
+ unsigned int cmd, void *uop, unsigned int count)
+{
+ return _hypercall3(int, grant_table_op, cmd, uop, count);
+}
+
+static inline int
+HYPERVISOR_update_va_mapping_otherdomain(
+ unsigned long va, pte_t new_val, unsigned long flags, domid_t domid)
+{
+ return _hypercall4(int, update_va_mapping_otherdomain, va,
+ new_val.pte, flags, domid);
+}
+
+static inline int
+HYPERVISOR_vm_assist(
+ unsigned int cmd, unsigned int type)
+{
+ return _hypercall2(int, vm_assist, cmd, type);
+}
+
+static inline int
+HYPERVISOR_vcpu_op(
+ int cmd, int vcpuid, void *extra_args)
+{
+ return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
+}
+
+static inline int
+HYPERVISOR_set_segment_base(
+ int reg, unsigned long value)
+{
+ return _hypercall2(int, set_segment_base, reg, value);
+}
+
+static inline int
+HYPERVISOR_suspend(
+ unsigned long srec)
+{
+ return _hypercall3(int, sched_op, SCHEDOP_shutdown,
+ SHUTDOWN_suspend, srec);
+}
+
+static inline int
+HYPERVISOR_nmi_op(
+ unsigned long op,
+ unsigned long arg)
+{
+ return _hypercall2(int, nmi_op, op, arg);
+}
+
+static inline int
+HYPERVISOR_sysctl(
+ unsigned long op)
+{
+ return _hypercall1(int, sysctl, op);
+}
+
+static inline int
+HYPERVISOR_domctl(
+ unsigned long op)
+{
+ return _hypercall1(int, domctl, op);
+}
+
+#endif /* __HYPERCALL_X86_64_H__ */
+
+/*
+ * Local variables:
+ * c-file-style: "linux"
+ * indent-tabs-mode: t
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * tab-width: 8
+ * End:
+ */
--- /dev/null
+#ifndef MINIOS_XENBUS_H__
+#define MINIOS_XENBUS_H__
+
+#include <xen/io/xenbus.h>
+#include <mini-os/sched.h>
+#include <mini-os/waittypes.h>
+#include <mini-os/queue.h>
+#include <mini-os/spinlock.h>
+
+typedef unsigned long xenbus_transaction_t;
+#define XBT_NIL ((xenbus_transaction_t)0)
+
+#ifdef CONFIG_XENBUS
+/* Initialize the XenBus system. */
+void init_xenbus(void);
+#else
+static inline void init_xenbus(void)
+{
+}
+#endif
+
+/* Read the value associated with a path. Returns a malloc'd error
+ string on failure and sets *value to NULL. On success, *value is
+ set to a malloc'd copy of the value. */
+char *xenbus_read(xenbus_transaction_t xbt, const char *path, char **value);
+
+/* All accesses to an active xenbus_event_queue must occur with this
+ * lock held. The public functions here will do that for you, but
+ * your own accesses to the queue (including the contained waitq)
+ * must be protected by the lock. */
+extern spinlock_t xenbus_req_lock;
+
+/* Queue for events (watches or async request replies - see below) */
+struct xenbus_event {
+ union {
+ struct {
+ /* must be first, both for the bare minios xs.c, and for
+ * xenbus_wait_for_watch's handling */
+ char *path;
+ char *token;
+ };
+ struct xsd_sockmsg *reply;
+ };
+ struct xenbus_watch *watch;
+ MINIOS_STAILQ_ENTRY(xenbus_event) entry;
+};
+struct xenbus_event_queue {
+ MINIOS_STAILQ_HEAD(, xenbus_event) events;
+ void (*wakeup)(struct xenbus_event_queue*); /* can be safely ignored */
+ struct wait_queue_head waitq;
+};
+
+void xenbus_event_queue_init(struct xenbus_event_queue *queue);
+
+char *xenbus_watch_path_token(xenbus_transaction_t xbt, const char *path, const char *token, struct xenbus_event_queue *events);
+char *xenbus_unwatch_path_token(xenbus_transaction_t xbt, const char *path, const char *token);
+void xenbus_wait_for_watch(struct xenbus_event_queue *queue);
+char **xenbus_wait_for_watch_return(struct xenbus_event_queue *queue);
+char* xenbus_wait_for_value(const char *path, const char *value, struct xenbus_event_queue *queue);
+char *xenbus_wait_for_state_change(const char* path, XenbusState *state, struct xenbus_event_queue *queue);
+char *xenbus_switch_state(xenbus_transaction_t xbt, const char* path, XenbusState state);
+
+/* When no token is provided, use a global queue. */
+#define XENBUS_WATCH_PATH_TOKEN "xenbus_watch_path"
+extern struct xenbus_event_queue xenbus_default_watch_queue;
+#define xenbus_watch_path(xbt, path) xenbus_watch_path_token(xbt, path, XENBUS_WATCH_PATH_TOKEN, NULL)
+#define xenbus_unwatch_path(xbt, path) xenbus_unwatch_path_token(xbt, path, XENBUS_WATCH_PATH_TOKEN)
+
+
+/* Associates a value with a path. Returns a malloc'd error string on
+ failure. */
+char *xenbus_write(xenbus_transaction_t xbt, const char *path, const char *value);
+
+struct write_req {
+ const void *data;
+ unsigned len;
+};
+
+/* Send a message to xenbus, in the same fashion as xb_write, and
+ block waiting for a reply. The reply is malloced and should be
+ freed by the caller. */
+struct xsd_sockmsg *
+xenbus_msg_reply(int type,
+ xenbus_transaction_t trans,
+ struct write_req *io,
+ int nr_reqs);
+
+/* Removes the value associated with a path. Returns a malloc'd error
+ string on failure. */
+char *xenbus_rm(xenbus_transaction_t xbt, const char *path);
+
+/* List the contents of a directory. Returns a malloc'd error string
+ on failure and sets *contents to NULL. On success, *contents is
+ set to a malloc'd array of pointers to malloc'd strings. The array
+ is NULL terminated. May block. */
+char *xenbus_ls(xenbus_transaction_t xbt, const char *prefix, char ***contents);
+
+/* Reads permissions associated with a path. Returns a malloc'd error
+ string on failure and sets *value to NULL. On success, *value is
+ set to a malloc'd copy of the value. */
+char *xenbus_get_perms(xenbus_transaction_t xbt, const char *path, char **value);
+
+/* Sets the permissions associated with a path. Returns a malloc'd
+ error string on failure. */
+char *xenbus_set_perms(xenbus_transaction_t xbt, const char *path, domid_t dom, char perm);
+
+/* Start a xenbus transaction. Returns the transaction in xbt on
+ success or a malloc'd error string otherwise. */
+char *xenbus_transaction_start(xenbus_transaction_t *xbt);
+
+/* End a xenbus transaction. Returns a malloc'd error string if it
+ fails. abort says whether the transaction should be aborted.
+ Returns 1 in *retry iff the transaction should be retried. */
+char *xenbus_transaction_end(xenbus_transaction_t, int abort,
+ int *retry);
+
+/* Read path and parse it as an integer. Returns -1 on error. */
+int xenbus_read_integer(const char *path);
+
+/* Contraction of snprintf and xenbus_write(path/node). */
+char* xenbus_printf(xenbus_transaction_t xbt,
+ const char* node, const char* path,
+ const char* fmt, ...)
+ __attribute__((__format__(printf, 4, 5)));
+
+/* Utility function to figure out our domain id */
+domid_t xenbus_get_self_id(void);
+
+/*
+ * ----- asynchronous low-level interface -----
+ */
+
+/*
+ * Use of queue->wakeup:
+ *
+ * If queue->wakeup is set, it will be called instead of
+ * wake_up(&queue->waitq);
+ *
+ * queue->wakeup is initialised (to a function which just calls
+ * wake_up) by xenbus_event_queue_init. The user who wants something
+ * different should set ->wakeup after the init, but before the queue
+ * is used for xenbus_id_allocate or xenbus_watch_prepare.
+ *
+ * queue->wakeup() is called with the req_lock held.
+ */
+
+/* Allocate an identifier for a xenbus request. Blocks if none are
+ * available. Cannot fail. On return, we may use the returned value
+ * as the id in a xenbus request.
+ *
+ * for_queue must already be allocated, but may be uninitialised.
+ *
+ * for_queue->watch is not touched by the xenbus machinery for
+ * handling requests/replies but should probably be initialised by the
+ * caller (probably to NULL) because this will help the caller
+ * distinguish the reply from any watch events which might end up in
+ * the same queue.
+ *
+ * reply_queue must exist and have been initialised.
+ *
+ * When the response arrives, the reply message will stored in
+ * for_queue->reply and for_queue will be queued on reply_queue. The
+ * id must be then explicitly released (or, used again, if desired).
+ * After ->reply is done with the caller must pass it to free().
+ * (Do not use the id for more than one request at a time.) */
+int xenbus_id_allocate(struct xenbus_event_queue *reply_queue,
+ struct xenbus_event *for_queue);
+void xenbus_id_release(int id);
+
+/* Allocating a token for a watch.
+ *
+ * To use this:
+ * - Include struct xenbus_watch in your own struct.
+ * - Set events; then call prepare. This will set token.
+ * You may then use token in a WATCH request.
+ * - You must UNWATCH before you call release.
+ * Do not modify token yourself.
+ * entry is private for the xenbus driver.
+ *
+ * When the watch fires, a new struct xenbus_event will be allocated
+ * and queued on events. The field xenbus_event->watch will have been
+ * set to watch by the xenbus machinery, and xenbus_event->path will
+ * be the watch path. After the caller is done with the event,
+ * its pointer should simply be passed to free(). */
+struct xenbus_watch {
+ char *token;
+ struct xenbus_event_queue *events;
+ MINIOS_LIST_ENTRY(xenbus_watch) entry;
+};
+void xenbus_watch_init(struct xenbus_watch *watch); /* makes release a noop */
+void xenbus_watch_prepare(struct xenbus_watch *watch); /* need not be init'd */
+void xenbus_watch_release(struct xenbus_watch *watch); /* idempotent */
+
+
+/* Send data to xenbus. This can block. All of the requests are seen
+ * by xenbus as if sent atomically. The header is added
+ * automatically, using type %type, req_id %req_id, and trans_id
+ * %trans_id. */
+void xenbus_xb_write(int type, int req_id, xenbus_transaction_t trans_id,
+ const struct write_req *req, int nr_reqs);
+
+void xenbus_free(void*);
+/* If the caller is in a scope which uses a different malloc arena,
+ * it must use this rather than free() when freeing data received
+ * from xenbus. */
+
+#ifdef CONFIG_XENBUS
+/* Reset the XenBus system. */
+void fini_xenbus(void);
+#else
+static inline void fini_xenbus(void)
+{
+}
+#endif
+
+#endif /* MINIOS_XENBUS_H__ */
--- /dev/null
+#ifndef __MINIOS_XMALLOC_H__
+#define __MINIOS_XMALLOC_H__
+
+
+#include <limits.h>
+
+void * memalloc(size_t, size_t);
+void memfree(void *);
+void free(void *);
+int posix_memalign(void **, size_t, size_t);
+void * realloc(void *, size_t);
+void * calloc(size_t, size_t);
+
+#define DEFAULT_ALIGN (sizeof(unsigned long))
+
+/* compat */
+#define _xmalloc(size, align) memalloc(size, align)
+#define xfree(ptr) free(ptr)
+
+
+static inline void *_xmalloc_array(size_t size, size_t align, size_t num)
+{
+ /* Check for overflow. */
+ if (size && num > UINT_MAX / size)
+ return NULL;
+ return _xmalloc(size * num, align);
+}
+
+/* Allocate space for typed object. */
+#define xmalloc(_type) ((_type *)_xmalloc(sizeof(_type), __alignof__(_type)))
+
+/* Allocate space for array of typed objects. */
+#define xmalloc_array(_type, _num) ((_type *)_xmalloc_array(sizeof(_type), __alignof__(_type), _num))
+
+#endif /* __MINIOS_XMALLOC_H__ */
projects / rumpuser-xen.git / commitdiff