--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/osdep.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,323 @@
+/*
+ * 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
+
+#include "qemu_socket.h"
+
+#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
+#ifndef __FreeBSD__
+#include <sys/vfs.h>
+#endif
+#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;
+
+/* no need (?) for a dummy file on OpenBSD/FreeBSD */
+#if defined(__OpenBSD__) || defined(__FreeBSD__)
+ 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__ || __FreeBSD__) */
+ 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
+ return qemu_memalign(getpagesize(), size);
+}
+
+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;
+}
+
+struct tm *localtime_r(const time_t *timep, struct tm *result)
+{
+ *result = *localtime(timep);
+ return result;
+}
+
+struct tm *gmtime_r(const time_t *timep, struct tm *result)
+{
+ *result = *gmtime(timep);
+ return result;
+}
+#endif /* _WIN32 */
+
+
+#ifdef _WIN32
+void socket_set_nonblock(int fd)
+{
+ unsigned long opt = 1;
+ ioctlsocket(fd, FIONBIO, &opt);
+}
+
+int inet_aton(const char *cp, struct in_addr *ia)
+{
+ uint32_t addr = inet_addr(cp);
+ if (addr == 0xffffffff)
+ return 0;
+ ia->s_addr = addr;
+ return 1;
+}
+#else
+void socket_set_nonblock(int fd)
+{
+ int f;
+ f = fcntl(fd, F_GETFL);
+ fcntl(fd, F_SETFL, f | O_NONBLOCK);
+}
+#endif