#include "config-host.h"
#ifndef _WIN32
+#include <libgen.h>
#include <pwd.h>
#include <sys/times.h>
#include <sys/wait.h>
/* XXX: use a two level table to limit memory usage */
#define MAX_IOPORTS 65536
-const char *bios_dir = CONFIG_QEMU_SHAREDIR;
+static const char *data_dir;
const char *bios_name = NULL;
static void *ioport_opaque[MAX_IOPORTS];
static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
{
ram_addr_t addr;
- if (cpu_physical_sync_dirty_bitmap(0, last_ram_offset) != 0) {
+ if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
qemu_file_set_error(f);
return 0;
}
#endif
+#ifdef _WIN32
+/* Look for support files in the same directory as the executable. */
+static char *find_datadir(const char *argv0)
+{
+ char *p;
+ char buf[MAX_PATH];
+ DWORD len;
+
+ len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+ if (len == 0) {
+ return len;
+ }
+
+ buf[len] = 0;
+ p = buf + len - 1;
+ while (p != buf && *p != '\\')
+ p--;
+ *p = 0;
+ if (access(buf, R_OK) == 0) {
+ return qemu_strdup(buf);
+ }
+ return NULL;
+}
+#else /* !_WIN32 */
+
+/* Find a likely location for support files using the location of the binary.
+ For installed binaries this will be "$bindir/../share/qemu". When
+ running from the build tree this will be "$bindir/../pc-bios". */
+#define SHARE_SUFFIX "/share/qemu"
+#define BUILD_SUFFIX "/pc-bios"
+static char *find_datadir(const char *argv0)
+{
+ char *dir;
+ char *p = NULL;
+ char *res;
+#ifdef PATH_MAX
+ char buf[PATH_MAX];
+#endif
+
+#if defined(__linux__)
+ {
+ int len;
+ len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#elif defined(__FreeBSD__)
+ {
+ int len;
+ len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
+ if (len > 0) {
+ buf[len] = 0;
+ p = buf;
+ }
+ }
+#endif
+ /* If we don't have any way of figuring out the actual executable
+ location then try argv[0]. */
+ if (!p) {
+#ifdef PATH_MAX
+ p = buf;
+#endif
+ p = realpath(argv0, p);
+ if (!p) {
+ return NULL;
+ }
+ }
+ dir = dirname(p);
+ dir = dirname(dir);
+
+ res = qemu_mallocz(strlen(dir) +
+ MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1);
+ sprintf(res, "%s%s", dir, SHARE_SUFFIX);
+ if (access(res, R_OK)) {
+ sprintf(res, "%s%s", dir, BUILD_SUFFIX);
+ if (access(res, R_OK)) {
+ qemu_free(res);
+ res = NULL;
+ }
+ }
+#ifndef PATH_MAX
+ free(p);
+#endif
+ return res;
+}
+#undef SHARE_SUFFIX
+#undef BUILD_SUFFIX
+#endif
+
+char *qemu_find_file(int type, const char *name)
+{
+ int len;
+ const char *subdir;
+ char *buf;
+
+ /* If name contains path separators then try it as a straight path. */
+ if ((strchr(name, '/') || strchr(name, '\\'))
+ && access(name, R_OK) == 0) {
+ return strdup(name);
+ }
+ switch (type) {
+ case QEMU_FILE_TYPE_BIOS:
+ subdir = "";
+ break;
+ case QEMU_FILE_TYPE_KEYMAP:
+ subdir = "keymaps/";
+ break;
+ default:
+ abort();
+ }
+ len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
+ buf = qemu_mallocz(len);
+ sprintf(buf, "%s/%s%s", data_dir, subdir, name);
+ if (access(buf, R_OK)) {
+ qemu_free(buf);
+ return NULL;
+ }
+ return buf;
+}
+
int main(int argc, char **argv, char **envp)
{
const char *gdbstub_dev = NULL;
break;
#endif
case QEMU_OPTION_redir:
- net_slirp_redir(NULL, optarg);
+ net_slirp_redir(NULL, optarg, NULL);
break;
#endif
case QEMU_OPTION_bt:
gdbstub_dev = optarg;
break;
case QEMU_OPTION_L:
- bios_dir = optarg;
+ data_dir = optarg;
break;
case QEMU_OPTION_bios:
bios_name = optarg;
}
}
+ /* If no data_dir is specified then try to find it relative to the
+ executable path. */
+ if (!data_dir) {
+ data_dir = find_datadir(argv[0]);
+ }
+ /* If all else fails use the install patch specified when building. */
+ if (!data_dir) {
+ data_dir = CONFIG_QEMU_SHAREDIR;
+ }
+
#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
if (kvm_allowed && kqemu_allowed) {
fprintf(stderr,
for (i = 0; i < nb_nics && i < 4; i++) {
const char *model = nd_table[i].model;
char buf[1024];
+ char *filename;
if (net_boot & (1 << i)) {
if (model == NULL)
model = "ne2k_pci";
- snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
- if (get_image_size(buf) > 0) {
+ snprintf(buf, sizeof(buf), "pxe-%s.bin", model);
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf);
+ if (filename && get_image_size(filename) > 0) {
if (nb_option_roms >= MAX_OPTION_ROMS) {
fprintf(stderr, "Too many option ROMs\n");
exit(1);
}
- option_rom[nb_option_roms] = strdup(buf);
+ option_rom[nb_option_roms] = qemu_strdup(buf);
nb_option_roms++;
netroms++;
}
+ if (filename) {
+ qemu_free(filename);
+ }
}
}
if (netroms == 0) {
projects / qemu / blobdiff