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-rw-r--r--vl.c273
1 files changed, 176 insertions, 97 deletions
diff --git a/vl.c b/vl.c
index 7db2881770..2ad182df62 100644
--- a/vl.c
+++ b/vl.c
@@ -23,7 +23,6 @@
*/
#include "vl.h"
-#include <getopt.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
@@ -1908,6 +1907,7 @@ void help(void)
"-initrd file use 'file' as initial ram disk\n"
"\n"
"Debug/Expert options:\n"
+ "-S freeze CPU at startup (use 'c' to start execution)\n"
"-s wait gdb connection to port %d\n"
"-p port change gdb connection port\n"
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
@@ -1937,29 +1937,85 @@ void help(void)
exit(1);
}
-struct option long_options[] = {
- { "initrd", 1, NULL, 0, },
- { "hda", 1, NULL, 0, },
- { "hdb", 1, NULL, 0, },
- { "snapshot", 0, NULL, 0, },
- { "hdachs", 1, NULL, 0, },
- { "nographic", 0, NULL, 0, },
- { "kernel", 1, NULL, 0, },
- { "append", 1, NULL, 0, },
- { "tun-fd", 1, NULL, 0, },
- { "hdc", 1, NULL, 0, },
- { "hdd", 1, NULL, 0, },
- { "cdrom", 1, NULL, 0, },
- { "boot", 1, NULL, 0, },
- { "fda", 1, NULL, 0, },
- { "fdb", 1, NULL, 0, },
- { "no-code-copy", 0, NULL, 0 },
- { "nics", 1, NULL, 0 },
- { "macaddr", 1, NULL, 0 },
- { "user-net", 0, NULL, 0 },
- { "dummy-net", 0, NULL, 0 },
- { "enable-audio", 0, NULL, 0 },
- { NULL, 0, NULL, 0 },
+#define HAS_ARG 0x0001
+
+enum {
+ QEMU_OPTION_h,
+
+ QEMU_OPTION_fda,
+ QEMU_OPTION_fdb,
+ QEMU_OPTION_hda,
+ QEMU_OPTION_hdb,
+ QEMU_OPTION_hdc,
+ QEMU_OPTION_hdd,
+ QEMU_OPTION_cdrom,
+ QEMU_OPTION_boot,
+ QEMU_OPTION_snapshot,
+ QEMU_OPTION_m,
+ QEMU_OPTION_nographic,
+ QEMU_OPTION_enable_audio,
+
+ QEMU_OPTION_nics,
+ QEMU_OPTION_macaddr,
+ QEMU_OPTION_n,
+ QEMU_OPTION_tun_fd,
+ QEMU_OPTION_user_net,
+ QEMU_OPTION_dummy_net,
+
+ QEMU_OPTION_kernel,
+ QEMU_OPTION_append,
+ QEMU_OPTION_initrd,
+
+ QEMU_OPTION_S,
+ QEMU_OPTION_s,
+ QEMU_OPTION_p,
+ QEMU_OPTION_d,
+ QEMU_OPTION_hdachs,
+ QEMU_OPTION_L,
+ QEMU_OPTION_no_code_copy,
+};
+
+typedef struct QEMUOption {
+ const char *name;
+ int flags;
+ int index;
+} QEMUOption;
+
+const QEMUOption qemu_options[] = {
+ { "h", 0, QEMU_OPTION_h },
+
+ { "fda", HAS_ARG, QEMU_OPTION_fda },
+ { "fdb", HAS_ARG, QEMU_OPTION_fdb },
+ { "hda", HAS_ARG, QEMU_OPTION_hda },
+ { "hdb", HAS_ARG, QEMU_OPTION_hdb },
+ { "hdc", HAS_ARG, QEMU_OPTION_hdc },
+ { "hdd", HAS_ARG, QEMU_OPTION_hdd },
+ { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
+ { "boot", HAS_ARG, QEMU_OPTION_boot },
+ { "snapshot", 0, QEMU_OPTION_snapshot },
+ { "m", HAS_ARG, QEMU_OPTION_m },
+ { "nographic", 0, QEMU_OPTION_nographic },
+ { "enable-audio", 0, QEMU_OPTION_enable_audio },
+
+ { "nics", HAS_ARG, QEMU_OPTION_nics},
+ { "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
+ { "n", HAS_ARG, QEMU_OPTION_d },
+ { "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
+ { "user-net", 0, QEMU_OPTION_user_net },
+ { "dummy-net", 0, QEMU_OPTION_dummy_net },
+
+ { "kernel", HAS_ARG, QEMU_OPTION_kernel },
+ { "append", HAS_ARG, QEMU_OPTION_append },
+ { "initrd", HAS_ARG, QEMU_OPTION_initrd },
+
+ { "S", 0, QEMU_OPTION_S },
+ { "s", 0, QEMU_OPTION_s },
+ { "p", HAS_ARG, QEMU_OPTION_p },
+ { "d", HAS_ARG, QEMU_OPTION_d },
+ { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
+ { "L", HAS_ARG, QEMU_OPTION_L },
+ { "no-code-copy", 0, QEMU_OPTION_no_code_copy },
+ { NULL },
};
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
@@ -1980,7 +2036,7 @@ int main(int argc, char **argv)
#ifdef CONFIG_GDBSTUB
int use_gdbstub, gdbstub_port;
#endif
- int c, i, long_index, has_cdrom;
+ int i, has_cdrom;
int snapshot, linux_boot;
CPUState *env;
const char *initrd_filename;
@@ -1991,7 +2047,9 @@ int main(int argc, char **argv)
int start_emulation = 1;
uint8_t macaddr[6];
int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
-
+ int optind;
+ const char *r, *optarg;
+
#if !defined(CONFIG_SOFTMMU)
/* we never want that malloc() uses mmap() */
mallopt(M_MMAP_THRESHOLD, 4096 * 1024);
@@ -2026,27 +2084,53 @@ int main(int argc, char **argv)
macaddr[4] = 0x34;
macaddr[5] = 0x56;
-
+ optind = 1;
for(;;) {
- c = getopt_long_only(argc, argv, "hm:d:n:sp:L:S", long_options, &long_index);
- if (c == -1)
+ if (optind >= argc)
break;
- switch(c) {
- case 0:
- switch(long_index) {
- case 0:
+ r = argv[optind];
+ if (r[0] != '-') {
+ hd_filename[0] = argv[optind++];
+ } else {
+ const QEMUOption *popt;
+
+ optind++;
+ popt = qemu_options;
+ for(;;) {
+ if (!popt->name) {
+ fprintf(stderr, "%s: invalid option -- '%s'\n",
+ argv[0], r);
+ exit(1);
+ }
+ if (!strcmp(popt->name, r + 1))
+ break;
+ popt++;
+ }
+ if (popt->flags & HAS_ARG) {
+ if (optind >= argc) {
+ fprintf(stderr, "%s: option '%s' requires an argument\n",
+ argv[0], r);
+ exit(1);
+ }
+ optarg = argv[optind++];
+ } else {
+ optarg = NULL;
+ }
+
+ switch(popt->index) {
+ case QEMU_OPTION_initrd:
initrd_filename = optarg;
break;
- case 1:
+ case QEMU_OPTION_hda:
hd_filename[0] = optarg;
break;
- case 2:
+ case QEMU_OPTION_hdb:
hd_filename[1] = optarg;
break;
- case 3:
+ case QEMU_OPTION_snapshot:
snapshot = 1;
break;
- case 4:
+ case QEMU_OPTION_hdachs:
{
const char *p;
p = optarg;
@@ -2065,16 +2149,16 @@ int main(int argc, char **argv)
}
}
break;
- case 5:
+ case QEMU_OPTION_nographic:
nographic = 1;
break;
- case 6:
+ case QEMU_OPTION_kernel:
kernel_filename = optarg;
break;
- case 7:
+ case QEMU_OPTION_append:
kernel_cmdline = optarg;
break;
- case 8:
+ case QEMU_OPTION_tun_fd:
{
const char *p;
int fd;
@@ -2089,18 +2173,18 @@ int main(int argc, char **argv)
}
}
break;
- case 9:
+ case QEMU_OPTION_hdc:
hd_filename[2] = optarg;
has_cdrom = 0;
break;
- case 10:
+ case QEMU_OPTION_hdd:
hd_filename[3] = optarg;
break;
- case 11:
+ case QEMU_OPTION_cdrom:
hd_filename[2] = optarg;
has_cdrom = 1;
break;
- case 12:
+ case QEMU_OPTION_boot:
boot_device = optarg[0];
if (boot_device != 'a' && boot_device != 'b' &&
boot_device != 'c' && boot_device != 'd') {
@@ -2108,23 +2192,23 @@ int main(int argc, char **argv)
exit(1);
}
break;
- case 13:
+ case QEMU_OPTION_fda:
fd_filename[0] = optarg;
break;
- case 14:
+ case QEMU_OPTION_fdb:
fd_filename[1] = optarg;
break;
- case 15:
+ case QEMU_OPTION_no_code_copy:
code_copy_enabled = 0;
break;
- case 16:
+ case QEMU_OPTION_nics:
nb_nics = atoi(optarg);
if (nb_nics < 0 || nb_nics > MAX_NICS) {
fprintf(stderr, "qemu: invalid number of network interfaces\n");
exit(1);
}
break;
- case 17:
+ case QEMU_OPTION_macaddr:
{
const char *p;
int i;
@@ -2145,70 +2229,65 @@ int main(int argc, char **argv)
}
}
break;
- case 18:
+ case QEMU_OPTION_user_net:
net_if_type = NET_IF_USER;
break;
- case 19:
+ case QEMU_OPTION_dummy_net:
net_if_type = NET_IF_DUMMY;
break;
- case 20:
+ case QEMU_OPTION_enable_audio:
audio_enabled = 1;
break;
- }
- break;
- case 'h':
- help();
- break;
- case 'm':
- ram_size = atoi(optarg) * 1024 * 1024;
- if (ram_size <= 0)
+ case QEMU_OPTION_h:
help();
- if (ram_size > PHYS_RAM_MAX_SIZE) {
- fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
- PHYS_RAM_MAX_SIZE / (1024 * 1024));
- exit(1);
- }
- break;
- case 'd':
- {
- int mask;
- CPULogItem *item;
-
- mask = cpu_str_to_log_mask(optarg);
- if (!mask) {
- printf("Log items (comma separated):\n");
+ break;
+ case QEMU_OPTION_m:
+ ram_size = atoi(optarg) * 1024 * 1024;
+ if (ram_size <= 0)
+ help();
+ if (ram_size > PHYS_RAM_MAX_SIZE) {
+ fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
+ PHYS_RAM_MAX_SIZE / (1024 * 1024));
+ exit(1);
+ }
+ break;
+ case QEMU_OPTION_d:
+ {
+ int mask;
+ CPULogItem *item;
+
+ mask = cpu_str_to_log_mask(optarg);
+ if (!mask) {
+ printf("Log items (comma separated):\n");
for(item = cpu_log_items; item->mask != 0; item++) {
printf("%-10s %s\n", item->name, item->help);
}
exit(1);
+ }
+ cpu_set_log(mask);
}
- cpu_set_log(mask);
- }
- break;
- case 'n':
- pstrcpy(network_script, sizeof(network_script), optarg);
- break;
+ break;
+ case QEMU_OPTION_n:
+ pstrcpy(network_script, sizeof(network_script), optarg);
+ break;
#ifdef CONFIG_GDBSTUB
- case 's':
- use_gdbstub = 1;
- break;
- case 'p':
- gdbstub_port = atoi(optarg);
- break;
+ case QEMU_OPTION_s:
+ use_gdbstub = 1;
+ break;
+ case QEMU_OPTION_p:
+ gdbstub_port = atoi(optarg);
+ break;
#endif
- case 'L':
- bios_dir = optarg;
- break;
- case 'S':
- start_emulation = 0;
- break;
+ case QEMU_OPTION_L:
+ bios_dir = optarg;
+ break;
+ case QEMU_OPTION_S:
+ start_emulation = 0;
+ break;
+ }
}
}
- if (optind < argc) {
- hd_filename[0] = argv[optind++];
- }
-
linux_boot = (kernel_filename != NULL);
if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' &&
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-30 01:34:13 +0000