auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 288 deletions

diff --git a/osdep.c b/osdep.c
deleted file mode 100644
index 49193e9..0000000
--- a/osdep.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * QEMU low level functions
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * 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.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#ifdef HOST_SOLARIS
-#include <sys/types.h>
-#include <sys/statvfs.h>
-#endif
-
-#include "qemu-common.h"
-#include "sysemu.h"
-
-#ifdef _WIN32
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#elif defined(_BSD)
-#include <stdlib.h>
-#else
-#include <malloc.h>
-#endif
-
-
-#if defined(_WIN32)
-void *qemu_memalign(size_t alignment, size_t size)
-{
-    return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
-}
-
-void *qemu_vmalloc(size_t size)
-{
-    /* FIXME: this is not exactly optimal solution since VirtualAlloc
-       has 64Kb granularity, but at least it guarantees us that the
-       memory is page aligned. */
-    return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
-}
-
-void qemu_vfree(void *ptr)
-{
-    VirtualFree(ptr, 0, MEM_RELEASE);
-}
-
-#else
-
-#if defined(USE_KQEMU)
-
-#ifdef __OpenBSD__
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/mount.h>
-#else
-#include <sys/vfs.h>
-#endif
-
-#include <sys/mman.h>
-#include <fcntl.h>
-
-static void *kqemu_vmalloc(size_t size)
-{
-    static int phys_ram_fd = -1;
-    static int phys_ram_size = 0;
-    void *ptr;
-
-#ifdef __OpenBSD__ /* no need (?) for a dummy file on OpenBSD */
-    int map_anon = MAP_ANON;
-#else
-    int map_anon = 0;
-    const char *tmpdir;
-    char phys_ram_file[1024];
-#ifdef HOST_SOLARIS
-    struct statvfs stfs;
-#else
-    struct statfs stfs;
-#endif
-
-    if (phys_ram_fd < 0) {
-        tmpdir = getenv("QEMU_TMPDIR");
-        if (!tmpdir)
-#ifdef HOST_SOLARIS
-            tmpdir = "/tmp";
-        if (statvfs(tmpdir, &stfs) == 0) {
-#else
-            tmpdir = "/dev/shm";
-        if (statfs(tmpdir, &stfs) == 0) {
-#endif
-            int64_t free_space;
-            int ram_mb;
-
-            free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;
-            if ((ram_size + 8192 * 1024) >= free_space) {
-                ram_mb = (ram_size / (1024 * 1024));
-                fprintf(stderr,
-                        "You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n",
-                        tmpdir, ram_mb);
-                if (strcmp(tmpdir, "/dev/shm") == 0) {
-                    fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n"
-                            "mount -o remount,size=%dm /dev/shm\n",
-                            ram_mb + 16);
-                } else {
-                    fprintf(stderr,
-                            "Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n"
-                            "QEMU_TMPDIR environment variable to set another directory where the QEMU\n"
-                            "temporary RAM file will be opened.\n");
-                }
-                fprintf(stderr, "Or disable the accelerator module with -no-kqemu\n");
-                exit(1);
-            }
-        }
-        snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
-                 tmpdir);
-        phys_ram_fd = mkstemp(phys_ram_file);
-        if (phys_ram_fd < 0) {
-            fprintf(stderr,
-                    "warning: could not create temporary file in '%s'.\n"
-                    "Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"
-                    "Using '/tmp' as fallback.\n",
-                    tmpdir);
-            snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
-                     "/tmp");
-            phys_ram_fd = mkstemp(phys_ram_file);
-            if (phys_ram_fd < 0) {
-                fprintf(stderr, "Could not create temporary memory file '%s'\n",
-                        phys_ram_file);
-                exit(1);
-            }
-        }
-        unlink(phys_ram_file);
-    }
-    size = (size + 4095) & ~4095;
-    ftruncate(phys_ram_fd, phys_ram_size + size);
-#endif /* !__OpenBSD__ */
-    ptr = mmap(NULL,
-               size,
-               PROT_WRITE | PROT_READ, map_anon | MAP_SHARED,
-               phys_ram_fd, phys_ram_size);
-    if (ptr == MAP_FAILED) {
-        fprintf(stderr, "Could not map physical memory\n");
-        exit(1);
-    }
-    phys_ram_size += size;
-    return ptr;
-}
-
-static void kqemu_vfree(void *ptr)
-{
-    /* may be useful some day, but currently we do not need to free */
-}
-
-#endif
-
-void *qemu_memalign(size_t alignment, size_t size)
-{
-#if defined(_POSIX_C_SOURCE)
-    int ret;
-    void *ptr;
-    ret = posix_memalign(&ptr, alignment, size);
-    if (ret != 0)
-        return NULL;
-    return ptr;
-#elif defined(_BSD)
-    return valloc(size);
-#else
-    return memalign(alignment, size);
-#endif
-}
-
-/* alloc shared memory pages */
-void *qemu_vmalloc(size_t size)
-{
-#if defined(USE_KQEMU)
-    if (kqemu_allowed)
-        return kqemu_vmalloc(size);
-#endif
-#ifdef _BSD
-    return valloc(size);
-#else
-    return memalign(4096, size);
-#endif
-}
-
-void qemu_vfree(void *ptr)
-{
-#if defined(USE_KQEMU)
-    if (kqemu_allowed)
-        kqemu_vfree(ptr);
-#endif
-    free(ptr);
-}
-
-#endif
-
-int qemu_create_pidfile(const char *filename)
-{
-    char buffer[128];
-    int len;
-#ifndef _WIN32
-    int fd;
-
-    fd = open(filename, O_RDWR | O_CREAT, 0600);
-    if (fd == -1)
-        return -1;
-
-    if (lockf(fd, F_TLOCK, 0) == -1)
-        return -1;
-
-    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
-    if (write(fd, buffer, len) != len)
-        return -1;
-#else
-    HANDLE file;
-    DWORD flags;
-    OVERLAPPED overlap;
-    BOOL ret;
-
-    /* Open for writing with no sharing. */
-    file = CreateFile(filename, GENERIC_WRITE, 0, NULL,
-		      OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-
-    if (file == INVALID_HANDLE_VALUE)
-      return -1;
-
-    flags = LOCKFILE_EXCLUSIVE_LOCK | LOCKFILE_FAIL_IMMEDIATELY;
-    overlap.hEvent = 0;
-    /* Lock 1 byte. */
-    ret = LockFileEx(file, flags, 0, 0, 1, &overlap);
-    if (ret == 0)
-      return -1;
-
-    /* Write PID to file. */
-    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
-    ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len,
-		      &overlap, NULL);
-    if (ret == 0)
-      return -1;
-#endif
-    return 0;
-}
-
-#ifdef _WIN32
-
-/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
-#define _W32_FT_OFFSET (116444736000000000ULL)
-
-int qemu_gettimeofday(qemu_timeval *tp)
-{
-  union {
-    unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
-    FILETIME ft;
-  }  _now;
-
-  if(tp)
-    {
-      GetSystemTimeAsFileTime (&_now.ft);
-      tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
-      tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
-    }
-  /* Always return 0 as per Open Group Base Specifications Issue 6.
-     Do not set errno on error.  */
-  return 0;
-}
-#endif /* _WIN32 */
-
-