4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
83 #if defined(CONFIG_VDE)
84 #include <libvdeplug.h>
92 #if defined(__APPLE__) || defined(main)
94 int qemu_main(int argc, char **argv, char **envp);
95 int main(int argc, char **argv)
97 return qemu_main(argc, argv, NULL);
100 #define main qemu_main
102 #endif /* CONFIG_SDL */
106 #define main qemu_main
107 #endif /* CONFIG_COCOA */
112 #include "hw/boards.h"
114 #include "hw/pcmcia.h"
119 #include "hw/watchdog.h"
120 #include "hw/smbios.h"
123 #include "hw/loader.h"
126 #include "net/slirp.h"
131 #include "qemu-timer.h"
132 #include "qemu-char.h"
133 #include "cache-utils.h"
134 #include "blockdev.h"
135 #include "hw/block-common.h"
136 #include "block-migration.h"
138 #include "audio/audio.h"
139 #include "migration.h"
142 #include "qemu-option.h"
143 #include "qemu-config.h"
144 #include "qemu-options.h"
145 #include "qmp-commands.h"
146 #include "main-loop.h"
148 #include "fsdev/qemu-fsdev.h"
154 #include "qemu_socket.h"
156 #include "slirp/libslirp.h"
159 #include "trace/control.h"
160 #include "qemu-queue.h"
162 #include "arch_init.h"
165 #include "ui/qemu-spice.h"
168 //#define DEBUG_SLIRP
170 #define DEFAULT_RAM_SIZE 128
172 #define MAX_VIRTIO_CONSOLES 1
174 static const char *data_dir;
175 const char *bios_name = NULL;
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
178 int display_remote = 0;
179 const char* keyboard_layout = NULL;
181 const char *mem_path = NULL;
183 int mem_prealloc = 0; /* force preallocation of physical target memory */
186 NICInfo nd_table[MAX_NICS];
188 static int rtc_utc = 1;
189 static int rtc_date_offset = -1; /* -1 means no change */
190 QEMUClock *rtc_clock;
191 int vga_interface_type = VGA_NONE;
192 static int full_screen = 0;
194 static int no_frame = 0;
197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200 int win2k_install_hack = 0;
208 const char *vnc_display;
210 int acpi_enabled = 1;
216 int graphic_rotate = 0;
217 const char *watchdog;
218 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
220 int semihosting_enabled = 0;
222 const char *qemu_name;
225 unsigned int nb_prom_envs = 0;
226 const char *prom_envs[MAX_PROM_ENVS];
228 uint8_t *boot_splash_filedata;
229 int boot_splash_filedata_size;
230 uint8_t qemu_extra_params_fw[2];
232 typedef struct FWBootEntry FWBootEntry;
235 QTAILQ_ENTRY(FWBootEntry) link;
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
244 uint64_t node_mem[MAX_NODES];
245 unsigned long *node_cpumask[MAX_NODES];
247 uint8_t qemu_uuid[16];
249 static QEMUBootSetHandler *boot_set_handler;
250 static void *boot_set_opaque;
252 static NotifierList exit_notifiers =
253 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
255 static NotifierList machine_init_done_notifiers =
256 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
258 static int tcg_allowed = 1;
262 enum xen_mode xen_mode = XEN_EMULATE;
263 static int tcg_tb_size;
265 static int default_serial = 1;
266 static int default_parallel = 1;
267 static int default_virtcon = 1;
268 static int default_monitor = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272 static int default_vga = 1;
278 { .driver = "isa-serial", .flag = &default_serial },
279 { .driver = "isa-parallel", .flag = &default_parallel },
280 { .driver = "isa-fdc", .flag = &default_floppy },
281 { .driver = "ide-cd", .flag = &default_cdrom },
282 { .driver = "ide-hd", .flag = &default_cdrom },
283 { .driver = "ide-drive", .flag = &default_cdrom },
284 { .driver = "scsi-cd", .flag = &default_cdrom },
285 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
286 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
287 { .driver = "virtio-serial", .flag = &default_virtcon },
288 { .driver = "VGA", .flag = &default_vga },
289 { .driver = "isa-vga", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "isa-cirrus-vga", .flag = &default_vga },
292 { .driver = "vmware-svga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
296 const char *qemu_get_vm_name(void)
301 static void res_free(void)
303 if (boot_splash_filedata != NULL) {
304 g_free(boot_splash_filedata);
305 boot_splash_filedata = NULL;
309 static int default_driver_check(QemuOpts *opts, void *opaque)
311 const char *driver = qemu_opt_get(opts, "driver");
316 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
317 if (strcmp(default_list[i].driver, driver) != 0)
319 *(default_list[i].flag) = 0;
324 /***********************************************************/
327 static RunState current_run_state = RUN_STATE_PRELAUNCH;
332 } RunStateTransition;
334 static const RunStateTransition runstate_transitions_def[] = {
336 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
338 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
339 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
342 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
344 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
345 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
347 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
348 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
351 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
353 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
355 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
358 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
360 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
362 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
363 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
365 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
366 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
367 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
369 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
370 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
372 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
374 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
375 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
377 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
378 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
379 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
380 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
382 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
383 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
385 { RUN_STATE_MAX, RUN_STATE_MAX },
388 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
390 bool runstate_check(RunState state)
392 return current_run_state == state;
395 void runstate_init(void)
397 const RunStateTransition *p;
399 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
401 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
402 runstate_valid_transitions[p->from][p->to] = true;
406 /* This function will abort() on invalid state transitions */
407 void runstate_set(RunState new_state)
409 assert(new_state < RUN_STATE_MAX);
411 if (!runstate_valid_transitions[current_run_state][new_state]) {
412 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
413 RunState_lookup[current_run_state],
414 RunState_lookup[new_state]);
418 current_run_state = new_state;
421 int runstate_is_running(void)
423 return runstate_check(RUN_STATE_RUNNING);
426 StatusInfo *qmp_query_status(Error **errp)
428 StatusInfo *info = g_malloc0(sizeof(*info));
430 info->running = runstate_is_running();
431 info->singlestep = singlestep;
432 info->status = current_run_state;
437 /***********************************************************/
438 /* real time host monotonic timer */
440 /***********************************************************/
441 /* host time/date access */
442 void qemu_get_timedate(struct tm *tm, int offset)
449 if (rtc_date_offset == -1) {
453 ret = localtime(&ti);
455 ti -= rtc_date_offset;
459 memcpy(tm, ret, sizeof(struct tm));
462 int qemu_timedate_diff(struct tm *tm)
466 if (rtc_date_offset == -1)
468 seconds = mktimegm(tm);
471 tmp.tm_isdst = -1; /* use timezone to figure it out */
472 seconds = mktime(&tmp);
475 seconds = mktimegm(tm) + rtc_date_offset;
477 return seconds - time(NULL);
480 void rtc_change_mon_event(struct tm *tm)
484 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
485 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
486 qobject_decref(data);
489 static void configure_rtc_date_offset(const char *startdate, int legacy)
491 time_t rtc_start_date;
494 if (!strcmp(startdate, "now") && legacy) {
495 rtc_date_offset = -1;
497 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
505 } else if (sscanf(startdate, "%d-%d-%d",
517 rtc_start_date = mktimegm(&tm);
518 if (rtc_start_date == -1) {
520 fprintf(stderr, "Invalid date format. Valid formats are:\n"
521 "'2006-06-17T16:01:21' or '2006-06-17'\n");
524 rtc_date_offset = time(NULL) - rtc_start_date;
528 static void configure_rtc(QemuOpts *opts)
532 value = qemu_opt_get(opts, "base");
534 if (!strcmp(value, "utc")) {
536 } else if (!strcmp(value, "localtime")) {
539 configure_rtc_date_offset(value, 0);
542 value = qemu_opt_get(opts, "clock");
544 if (!strcmp(value, "host")) {
545 rtc_clock = host_clock;
546 } else if (!strcmp(value, "rt")) {
547 rtc_clock = rt_clock;
548 } else if (!strcmp(value, "vm")) {
549 rtc_clock = vm_clock;
551 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
555 value = qemu_opt_get(opts, "driftfix");
557 if (!strcmp(value, "slew")) {
558 static GlobalProperty slew_lost_ticks[] = {
560 .driver = "mc146818rtc",
561 .property = "lost_tick_policy",
564 { /* end of list */ }
567 qdev_prop_register_global_list(slew_lost_ticks);
568 } else if (!strcmp(value, "none")) {
569 /* discard is default */
571 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
577 /***********************************************************/
578 /* Bluetooth support */
581 static struct HCIInfo *hci_table[MAX_NICS];
583 static struct bt_vlan_s {
584 struct bt_scatternet_s net;
586 struct bt_vlan_s *next;
589 /* find or alloc a new bluetooth "VLAN" */
590 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
592 struct bt_vlan_s **pvlan, *vlan;
593 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
597 vlan = g_malloc0(sizeof(struct bt_vlan_s));
599 pvlan = &first_bt_vlan;
600 while (*pvlan != NULL)
601 pvlan = &(*pvlan)->next;
606 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
610 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
615 static struct HCIInfo null_hci = {
616 .cmd_send = null_hci_send,
617 .sco_send = null_hci_send,
618 .acl_send = null_hci_send,
619 .bdaddr_set = null_hci_addr_set,
622 struct HCIInfo *qemu_next_hci(void)
624 if (cur_hci == nb_hcis)
627 return hci_table[cur_hci++];
630 static struct HCIInfo *hci_init(const char *str)
633 struct bt_scatternet_s *vlan = 0;
635 if (!strcmp(str, "null"))
638 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
640 return bt_host_hci(str[4] ? str + 5 : "hci0");
641 else if (!strncmp(str, "hci", 3)) {
644 if (!strncmp(str + 3, ",vlan=", 6)) {
645 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
650 vlan = qemu_find_bt_vlan(0);
652 return bt_new_hci(vlan);
655 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
660 static int bt_hci_parse(const char *str)
665 if (nb_hcis >= MAX_NICS) {
666 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
679 bdaddr.b[5] = 0x56 + nb_hcis;
680 hci->bdaddr_set(hci, bdaddr.b);
682 hci_table[nb_hcis++] = hci;
687 static void bt_vhci_add(int vlan_id)
689 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
692 fprintf(stderr, "qemu: warning: adding a VHCI to "
693 "an empty scatternet %i\n", vlan_id);
695 bt_vhci_init(bt_new_hci(vlan));
698 static struct bt_device_s *bt_device_add(const char *opt)
700 struct bt_scatternet_s *vlan;
702 char *endp = strstr(opt, ",vlan=");
703 int len = (endp ? endp - opt : strlen(opt)) + 1;
706 pstrcpy(devname, MIN(sizeof(devname), len), opt);
709 vlan_id = strtol(endp + 6, &endp, 0);
711 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
716 vlan = qemu_find_bt_vlan(vlan_id);
719 fprintf(stderr, "qemu: warning: adding a slave device to "
720 "an empty scatternet %i\n", vlan_id);
722 if (!strcmp(devname, "keyboard"))
723 return bt_keyboard_init(vlan);
725 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
729 static int bt_parse(const char *opt)
731 const char *endp, *p;
734 if (strstart(opt, "hci", &endp)) {
735 if (!*endp || *endp == ',') {
737 if (!strstart(endp, ",vlan=", 0))
740 return bt_hci_parse(opt);
742 } else if (strstart(opt, "vhci", &endp)) {
743 if (!*endp || *endp == ',') {
745 if (strstart(endp, ",vlan=", &p)) {
746 vlan = strtol(p, (char **) &endp, 0);
748 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
752 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
761 } else if (strstart(opt, "device:", &endp))
762 return !bt_device_add(endp);
764 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
768 /***********************************************************/
769 /* QEMU Block devices */
771 #define HD_OPTS "media=disk"
772 #define CDROM_OPTS "media=cdrom"
774 #define PFLASH_OPTS ""
778 static int drive_init_func(QemuOpts *opts, void *opaque)
780 int *use_scsi = opaque;
782 return drive_init(opts, *use_scsi) == NULL;
785 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
787 if (NULL == qemu_opt_get(opts, "snapshot")) {
788 qemu_opt_set(opts, "snapshot", "on");
793 static void default_drive(int enable, int snapshot, int use_scsi,
794 BlockInterfaceType type, int index,
799 if (type == IF_DEFAULT) {
800 type = use_scsi ? IF_SCSI : IF_IDE;
803 if (!enable || drive_get_by_index(type, index)) {
807 opts = drive_add(type, index, NULL, optstr);
809 drive_enable_snapshot(opts, NULL);
811 if (!drive_init(opts, use_scsi)) {
816 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
818 boot_set_handler = func;
819 boot_set_opaque = opaque;
822 int qemu_boot_set(const char *boot_devices)
824 if (!boot_set_handler) {
827 return boot_set_handler(boot_set_opaque, boot_devices);
830 static void validate_bootdevices(char *devices)
832 /* We just do some generic consistency checks */
836 for (p = devices; *p != '\0'; p++) {
837 /* Allowed boot devices are:
838 * a-b: floppy disk drives
839 * c-f: IDE disk drives
840 * g-m: machine implementation dependent drives
841 * n-p: network devices
842 * It's up to each machine implementation to check if the given boot
843 * devices match the actual hardware implementation and firmware
846 if (*p < 'a' || *p > 'p') {
847 fprintf(stderr, "Invalid boot device '%c'\n", *p);
850 if (bitmap & (1 << (*p - 'a'))) {
851 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
854 bitmap |= 1 << (*p - 'a');
858 static void restore_boot_devices(void *opaque)
860 char *standard_boot_devices = opaque;
861 static int first = 1;
863 /* Restore boot order and remove ourselves after the first boot */
869 qemu_boot_set(standard_boot_devices);
871 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
872 g_free(standard_boot_devices);
875 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
878 FWBootEntry *node, *i;
884 assert(dev != NULL || suffix != NULL);
886 node = g_malloc0(sizeof(FWBootEntry));
887 node->bootindex = bootindex;
888 node->suffix = suffix ? g_strdup(suffix) : NULL;
891 QTAILQ_FOREACH(i, &fw_boot_order, link) {
892 if (i->bootindex == bootindex) {
893 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
895 } else if (i->bootindex < bootindex) {
898 QTAILQ_INSERT_BEFORE(i, node, link);
901 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
905 * This function returns null terminated string that consist of new line
906 * separated device paths.
908 * memory pointed by "size" is assigned total length of the array in bytes
911 char *get_boot_devices_list(uint32_t *size)
917 QTAILQ_FOREACH(i, &fw_boot_order, link) {
918 char *devpath = NULL, *bootpath;
922 devpath = qdev_get_fw_dev_path(i->dev);
926 if (i->suffix && devpath) {
927 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
929 bootpath = g_malloc(bootpathlen);
930 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
932 } else if (devpath) {
936 bootpath = g_strdup(i->suffix);
940 list[total-1] = '\n';
942 len = strlen(bootpath) + 1;
943 list = g_realloc(list, total + len);
944 memcpy(&list[total], bootpath, len);
954 static void numa_add(const char *optarg)
958 unsigned long long value, endvalue;
961 value = endvalue = 0ULL;
963 optarg = get_opt_name(option, 128, optarg, ',') + 1;
964 if (!strcmp(option, "node")) {
965 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
966 nodenr = nb_numa_nodes;
968 nodenr = strtoull(option, NULL, 10);
971 if (get_param_value(option, 128, "mem", optarg) == 0) {
972 node_mem[nodenr] = 0;
975 sval = strtosz(option, &endptr);
976 if (sval < 0 || *endptr) {
977 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
980 node_mem[nodenr] = sval;
982 if (get_param_value(option, 128, "cpus", optarg) != 0) {
983 value = strtoull(option, &endptr, 10);
984 if (*endptr == '-') {
985 endvalue = strtoull(endptr+1, &endptr, 10);
990 if (!(endvalue < MAX_CPUMASK_BITS)) {
991 endvalue = MAX_CPUMASK_BITS - 1;
993 "A max of %d CPUs are supported in a guest\n",
997 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1004 static void smp_parse(const char *optarg)
1006 int smp, sockets = 0, threads = 0, cores = 0;
1010 smp = strtoul(optarg, &endptr, 10);
1011 if (endptr != optarg) {
1012 if (*endptr == ',') {
1016 if (get_param_value(option, 128, "sockets", endptr) != 0)
1017 sockets = strtoull(option, NULL, 10);
1018 if (get_param_value(option, 128, "cores", endptr) != 0)
1019 cores = strtoull(option, NULL, 10);
1020 if (get_param_value(option, 128, "threads", endptr) != 0)
1021 threads = strtoull(option, NULL, 10);
1022 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1023 max_cpus = strtoull(option, NULL, 10);
1025 /* compute missing values, prefer sockets over cores over threads */
1026 if (smp == 0 || sockets == 0) {
1027 sockets = sockets > 0 ? sockets : 1;
1028 cores = cores > 0 ? cores : 1;
1029 threads = threads > 0 ? threads : 1;
1031 smp = cores * threads * sockets;
1035 threads = threads > 0 ? threads : 1;
1036 cores = smp / (sockets * threads);
1038 threads = smp / (cores * sockets);
1042 smp_cores = cores > 0 ? cores : 1;
1043 smp_threads = threads > 0 ? threads : 1;
1045 max_cpus = smp_cpus;
1048 /***********************************************************/
1051 static int usb_device_add(const char *devname)
1054 USBDevice *dev = NULL;
1059 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060 dev = usbdevice_create(devname);
1064 /* the other ones */
1065 #ifndef CONFIG_LINUX
1066 /* only the linux version is qdev-ified, usb-bsd still needs this */
1067 if (strstart(devname, "host:", &p)) {
1068 dev = usb_host_device_open(usb_bus_find(-1), p);
1071 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1072 dev = usb_bt_init(usb_bus_find(-1),
1073 devname[2] ? hci_init(p)
1074 : bt_new_hci(qemu_find_bt_vlan(0)));
1085 static int usb_device_del(const char *devname)
1090 if (strstart(devname, "host:", &p))
1091 return usb_host_device_close(p);
1096 p = strchr(devname, '.');
1099 bus_num = strtoul(devname, NULL, 0);
1100 addr = strtoul(p + 1, NULL, 0);
1102 return usb_device_delete_addr(bus_num, addr);
1105 static int usb_parse(const char *cmdline)
1108 r = usb_device_add(cmdline);
1110 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1115 void do_usb_add(Monitor *mon, const QDict *qdict)
1117 const char *devname = qdict_get_str(qdict, "devname");
1118 if (usb_device_add(devname) < 0) {
1119 error_report("could not add USB device '%s'", devname);
1123 void do_usb_del(Monitor *mon, const QDict *qdict)
1125 const char *devname = qdict_get_str(qdict, "devname");
1126 if (usb_device_del(devname) < 0) {
1127 error_report("could not delete USB device '%s'", devname);
1131 /***********************************************************/
1132 /* PCMCIA/Cardbus */
1134 static struct pcmcia_socket_entry_s {
1135 PCMCIASocket *socket;
1136 struct pcmcia_socket_entry_s *next;
1137 } *pcmcia_sockets = 0;
1139 void pcmcia_socket_register(PCMCIASocket *socket)
1141 struct pcmcia_socket_entry_s *entry;
1143 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1144 entry->socket = socket;
1145 entry->next = pcmcia_sockets;
1146 pcmcia_sockets = entry;
1149 void pcmcia_socket_unregister(PCMCIASocket *socket)
1151 struct pcmcia_socket_entry_s *entry, **ptr;
1153 ptr = &pcmcia_sockets;
1154 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1155 if (entry->socket == socket) {
1161 void pcmcia_info(Monitor *mon)
1163 struct pcmcia_socket_entry_s *iter;
1165 if (!pcmcia_sockets)
1166 monitor_printf(mon, "No PCMCIA sockets\n");
1168 for (iter = pcmcia_sockets; iter; iter = iter->next)
1169 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1170 iter->socket->attached ? iter->socket->card_string :
1174 /***********************************************************/
1175 /* machine registration */
1177 static QEMUMachine *first_machine = NULL;
1178 QEMUMachine *current_machine = NULL;
1180 int qemu_register_machine(QEMUMachine *m)
1183 pm = &first_machine;
1191 static QEMUMachine *find_machine(const char *name)
1195 for(m = first_machine; m != NULL; m = m->next) {
1196 if (!strcmp(m->name, name))
1198 if (m->alias && !strcmp(m->alias, name))
1204 QEMUMachine *find_default_machine(void)
1208 for(m = first_machine; m != NULL; m = m->next) {
1209 if (m->is_default) {
1216 /***********************************************************/
1217 /* main execution loop */
1219 static void gui_update(void *opaque)
1221 uint64_t interval = GUI_REFRESH_INTERVAL;
1222 DisplayState *ds = opaque;
1223 DisplayChangeListener *dcl = ds->listeners;
1227 while (dcl != NULL) {
1228 if (dcl->gui_timer_interval &&
1229 dcl->gui_timer_interval < interval)
1230 interval = dcl->gui_timer_interval;
1233 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1236 struct vm_change_state_entry {
1237 VMChangeStateHandler *cb;
1239 QLIST_ENTRY (vm_change_state_entry) entries;
1242 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1244 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1247 VMChangeStateEntry *e;
1249 e = g_malloc0(sizeof (*e));
1253 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1257 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1259 QLIST_REMOVE (e, entries);
1263 void vm_state_notify(int running, RunState state)
1265 VMChangeStateEntry *e;
1267 trace_vm_state_notify(running, state);
1269 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1270 e->cb(e->opaque, running, state);
1276 if (!runstate_is_running()) {
1278 runstate_set(RUN_STATE_RUNNING);
1279 vm_state_notify(1, RUN_STATE_RUNNING);
1281 monitor_protocol_event(QEVENT_RESUME, NULL);
1285 /* reset/shutdown handler */
1287 typedef struct QEMUResetEntry {
1288 QTAILQ_ENTRY(QEMUResetEntry) entry;
1289 QEMUResetHandler *func;
1293 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1294 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1295 static int reset_requested;
1296 static int shutdown_requested, shutdown_signal = -1;
1297 static pid_t shutdown_pid;
1298 static int powerdown_requested;
1299 static int debug_requested;
1300 static int suspend_requested;
1301 static int wakeup_requested;
1302 static NotifierList suspend_notifiers =
1303 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1304 static NotifierList wakeup_notifiers =
1305 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1306 static uint32_t wakeup_reason_mask = ~0;
1307 static RunState vmstop_requested = RUN_STATE_MAX;
1309 int qemu_shutdown_requested_get(void)
1311 return shutdown_requested;
1314 int qemu_reset_requested_get(void)
1316 return reset_requested;
1319 int qemu_shutdown_requested(void)
1321 int r = shutdown_requested;
1322 shutdown_requested = 0;
1326 void qemu_kill_report(void)
1328 if (!qtest_enabled() && shutdown_signal != -1) {
1329 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1330 if (shutdown_pid == 0) {
1331 /* This happens for eg ^C at the terminal, so it's worth
1332 * avoiding printing an odd message in that case.
1334 fputc('\n', stderr);
1336 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1338 shutdown_signal = -1;
1342 int qemu_reset_requested(void)
1344 int r = reset_requested;
1345 reset_requested = 0;
1349 static int qemu_suspend_requested(void)
1351 int r = suspend_requested;
1352 suspend_requested = 0;
1356 static int qemu_wakeup_requested(void)
1358 int r = wakeup_requested;
1359 wakeup_requested = 0;
1363 int qemu_powerdown_requested(void)
1365 int r = powerdown_requested;
1366 powerdown_requested = 0;
1370 static int qemu_debug_requested(void)
1372 int r = debug_requested;
1373 debug_requested = 0;
1377 /* We use RUN_STATE_MAX but any invalid value will do */
1378 static bool qemu_vmstop_requested(RunState *r)
1380 if (vmstop_requested < RUN_STATE_MAX) {
1381 *r = vmstop_requested;
1382 vmstop_requested = RUN_STATE_MAX;
1389 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1391 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1394 re->opaque = opaque;
1395 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1398 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1402 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1403 if (re->func == func && re->opaque == opaque) {
1404 QTAILQ_REMOVE(&reset_handlers, re, entry);
1411 void qemu_system_reset(bool report)
1413 QEMUResetEntry *re, *nre;
1415 /* reset all devices */
1416 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1417 re->func(re->opaque);
1420 monitor_protocol_event(QEVENT_RESET, NULL);
1422 cpu_synchronize_all_post_reset();
1425 void qemu_system_reset_request(void)
1428 shutdown_requested = 1;
1430 reset_requested = 1;
1433 qemu_notify_event();
1436 static void qemu_system_suspend(void)
1439 notifier_list_notify(&suspend_notifiers, NULL);
1440 runstate_set(RUN_STATE_SUSPENDED);
1441 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1444 void qemu_system_suspend_request(void)
1446 if (runstate_check(RUN_STATE_SUSPENDED)) {
1449 suspend_requested = 1;
1451 qemu_notify_event();
1454 void qemu_register_suspend_notifier(Notifier *notifier)
1456 notifier_list_add(&suspend_notifiers, notifier);
1459 void qemu_system_wakeup_request(WakeupReason reason)
1461 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1464 if (!(wakeup_reason_mask & (1 << reason))) {
1467 runstate_set(RUN_STATE_RUNNING);
1468 notifier_list_notify(&wakeup_notifiers, &reason);
1469 wakeup_requested = 1;
1470 qemu_notify_event();
1473 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1476 wakeup_reason_mask |= (1 << reason);
1478 wakeup_reason_mask &= ~(1 << reason);
1482 void qemu_register_wakeup_notifier(Notifier *notifier)
1484 notifier_list_add(&wakeup_notifiers, notifier);
1487 void qemu_system_killed(int signal, pid_t pid)
1489 shutdown_signal = signal;
1492 qemu_system_shutdown_request();
1495 void qemu_system_shutdown_request(void)
1497 shutdown_requested = 1;
1498 qemu_notify_event();
1501 void qemu_system_powerdown_request(void)
1503 powerdown_requested = 1;
1504 qemu_notify_event();
1507 void qemu_system_debug_request(void)
1509 debug_requested = 1;
1510 qemu_notify_event();
1513 void qemu_system_vmstop_request(RunState state)
1515 vmstop_requested = state;
1516 qemu_notify_event();
1519 qemu_irq qemu_system_powerdown;
1521 static bool main_loop_should_exit(void)
1524 if (qemu_debug_requested()) {
1525 vm_stop(RUN_STATE_DEBUG);
1527 if (qemu_suspend_requested()) {
1528 qemu_system_suspend();
1530 if (qemu_shutdown_requested()) {
1532 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1534 vm_stop(RUN_STATE_SHUTDOWN);
1539 if (qemu_reset_requested()) {
1541 cpu_synchronize_all_states();
1542 qemu_system_reset(VMRESET_REPORT);
1544 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1545 runstate_check(RUN_STATE_SHUTDOWN)) {
1546 runstate_set(RUN_STATE_PAUSED);
1549 if (qemu_wakeup_requested()) {
1551 cpu_synchronize_all_states();
1552 qemu_system_reset(VMRESET_SILENT);
1554 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1556 if (qemu_powerdown_requested()) {
1557 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1558 qemu_irq_raise(qemu_system_powerdown);
1560 if (qemu_vmstop_requested(&r)) {
1566 static void main_loop(void)
1570 #ifdef CONFIG_PROFILER
1574 nonblocking = !kvm_enabled() && last_io > 0;
1575 #ifdef CONFIG_PROFILER
1576 ti = profile_getclock();
1578 last_io = main_loop_wait(nonblocking);
1579 #ifdef CONFIG_PROFILER
1580 dev_time += profile_getclock() - ti;
1582 } while (!main_loop_should_exit());
1585 static void version(void)
1587 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1590 static void help(int exitcode)
1593 printf("usage: %s [options] [disk_image]\n\n"
1594 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1595 error_get_progname());
1597 #define QEMU_OPTIONS_GENERATE_HELP
1598 #include "qemu-options-wrapper.h"
1600 printf("\nDuring emulation, the following keys are useful:\n"
1601 "ctrl-alt-f toggle full screen\n"
1602 "ctrl-alt-n switch to virtual console 'n'\n"
1603 "ctrl-alt toggle mouse and keyboard grab\n"
1605 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1610 #define HAS_ARG 0x0001
1612 typedef struct QEMUOption {
1619 static const QEMUOption qemu_options[] = {
1620 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1621 #define QEMU_OPTIONS_GENERATE_OPTIONS
1622 #include "qemu-options-wrapper.h"
1626 static bool vga_available(void)
1628 return qdev_exists("VGA") || qdev_exists("isa-vga");
1631 static bool cirrus_vga_available(void)
1633 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1636 static bool vmware_vga_available(void)
1638 return qdev_exists("vmware-svga");
1641 static void select_vgahw (const char *p)
1645 vga_interface_type = VGA_NONE;
1646 if (strstart(p, "std", &opts)) {
1647 if (vga_available()) {
1648 vga_interface_type = VGA_STD;
1650 fprintf(stderr, "Error: standard VGA not available\n");
1653 } else if (strstart(p, "cirrus", &opts)) {
1654 if (cirrus_vga_available()) {
1655 vga_interface_type = VGA_CIRRUS;
1657 fprintf(stderr, "Error: Cirrus VGA not available\n");
1660 } else if (strstart(p, "vmware", &opts)) {
1661 if (vmware_vga_available()) {
1662 vga_interface_type = VGA_VMWARE;
1664 fprintf(stderr, "Error: VMWare SVGA not available\n");
1667 } else if (strstart(p, "xenfb", &opts)) {
1668 vga_interface_type = VGA_XENFB;
1669 } else if (strstart(p, "qxl", &opts)) {
1670 vga_interface_type = VGA_QXL;
1671 } else if (!strstart(p, "none", &opts)) {
1673 fprintf(stderr, "Unknown vga type: %s\n", p);
1677 const char *nextopt;
1679 if (strstart(opts, ",retrace=", &nextopt)) {
1681 if (strstart(opts, "dumb", &nextopt))
1682 vga_retrace_method = VGA_RETRACE_DUMB;
1683 else if (strstart(opts, "precise", &nextopt))
1684 vga_retrace_method = VGA_RETRACE_PRECISE;
1685 else goto invalid_vga;
1686 } else goto invalid_vga;
1691 static DisplayType select_display(const char *p)
1694 DisplayType display = DT_DEFAULT;
1696 if (strstart(p, "sdl", &opts)) {
1700 const char *nextopt;
1702 if (strstart(opts, ",frame=", &nextopt)) {
1704 if (strstart(opts, "on", &nextopt)) {
1706 } else if (strstart(opts, "off", &nextopt)) {
1709 goto invalid_sdl_args;
1711 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1713 if (strstart(opts, "on", &nextopt)) {
1715 } else if (strstart(opts, "off", &nextopt)) {
1718 goto invalid_sdl_args;
1720 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1722 if (strstart(opts, "on", &nextopt)) {
1724 } else if (strstart(opts, "off", &nextopt)) {
1727 goto invalid_sdl_args;
1729 } else if (strstart(opts, ",window_close=", &nextopt)) {
1731 if (strstart(opts, "on", &nextopt)) {
1733 } else if (strstart(opts, "off", &nextopt)) {
1736 goto invalid_sdl_args;
1740 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1746 fprintf(stderr, "SDL support is disabled\n");
1749 } else if (strstart(p, "vnc", &opts)) {
1754 const char *nextopt;
1756 if (strstart(opts, "=", &nextopt)) {
1757 vnc_display = nextopt;
1761 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1765 fprintf(stderr, "VNC support is disabled\n");
1768 } else if (strstart(p, "curses", &opts)) {
1769 #ifdef CONFIG_CURSES
1770 display = DT_CURSES;
1772 fprintf(stderr, "Curses support is disabled\n");
1775 } else if (strstart(p, "none", &opts)) {
1778 fprintf(stderr, "Unknown display type: %s\n", p);
1785 static int balloon_parse(const char *arg)
1789 if (strcmp(arg, "none") == 0) {
1793 if (!strncmp(arg, "virtio", 6)) {
1794 if (arg[6] == ',') {
1795 /* have params -> parse them */
1796 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1800 /* create empty opts */
1801 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1803 qemu_opt_set(opts, "driver", "virtio-balloon");
1810 char *qemu_find_file(int type, const char *name)
1816 /* Try the name as a straight path first */
1817 if (access(name, R_OK) == 0) {
1818 return g_strdup(name);
1821 case QEMU_FILE_TYPE_BIOS:
1824 case QEMU_FILE_TYPE_KEYMAP:
1825 subdir = "keymaps/";
1830 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1831 buf = g_malloc0(len);
1832 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1833 if (access(buf, R_OK)) {
1840 static int device_help_func(QemuOpts *opts, void *opaque)
1842 return qdev_device_help(opts);
1845 static int device_init_func(QemuOpts *opts, void *opaque)
1849 dev = qdev_device_add(opts);
1855 static int chardev_init_func(QemuOpts *opts, void *opaque)
1857 CharDriverState *chr;
1859 chr = qemu_chr_new_from_opts(opts, NULL);
1865 #ifdef CONFIG_VIRTFS
1866 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1869 ret = qemu_fsdev_add(opts);
1875 static int mon_init_func(QemuOpts *opts, void *opaque)
1877 CharDriverState *chr;
1878 const char *chardev;
1882 mode = qemu_opt_get(opts, "mode");
1886 if (strcmp(mode, "readline") == 0) {
1887 flags = MONITOR_USE_READLINE;
1888 } else if (strcmp(mode, "control") == 0) {
1889 flags = MONITOR_USE_CONTROL;
1891 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1895 if (qemu_opt_get_bool(opts, "pretty", 0))
1896 flags |= MONITOR_USE_PRETTY;
1898 if (qemu_opt_get_bool(opts, "default", 0))
1899 flags |= MONITOR_IS_DEFAULT;
1901 chardev = qemu_opt_get(opts, "chardev");
1902 chr = qemu_chr_find(chardev);
1904 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1908 monitor_init(chr, flags);
1912 static void monitor_parse(const char *optarg, const char *mode)
1914 static int monitor_device_index = 0;
1920 if (strstart(optarg, "chardev:", &p)) {
1921 snprintf(label, sizeof(label), "%s", p);
1923 snprintf(label, sizeof(label), "compat_monitor%d",
1924 monitor_device_index);
1925 if (monitor_device_index == 0) {
1928 opts = qemu_chr_parse_compat(label, optarg);
1930 fprintf(stderr, "parse error: %s\n", optarg);
1935 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1937 fprintf(stderr, "duplicate chardev: %s\n", label);
1940 qemu_opt_set(opts, "mode", mode);
1941 qemu_opt_set(opts, "chardev", label);
1943 qemu_opt_set(opts, "default", "on");
1944 monitor_device_index++;
1947 struct device_config {
1949 DEV_USB, /* -usbdevice */
1951 DEV_SERIAL, /* -serial */
1952 DEV_PARALLEL, /* -parallel */
1953 DEV_VIRTCON, /* -virtioconsole */
1954 DEV_DEBUGCON, /* -debugcon */
1955 DEV_GDB, /* -gdb, -s */
1957 const char *cmdline;
1959 QTAILQ_ENTRY(device_config) next;
1961 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1963 static void add_device_config(int type, const char *cmdline)
1965 struct device_config *conf;
1967 conf = g_malloc0(sizeof(*conf));
1969 conf->cmdline = cmdline;
1970 loc_save(&conf->loc);
1971 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1974 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1976 struct device_config *conf;
1979 QTAILQ_FOREACH(conf, &device_configs, next) {
1980 if (conf->type != type)
1982 loc_push_restore(&conf->loc);
1983 rc = func(conf->cmdline);
1984 loc_pop(&conf->loc);
1991 static int serial_parse(const char *devname)
1993 static int index = 0;
1996 if (strcmp(devname, "none") == 0)
1998 if (index == MAX_SERIAL_PORTS) {
1999 fprintf(stderr, "qemu: too many serial ports\n");
2002 snprintf(label, sizeof(label), "serial%d", index);
2003 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2004 if (!serial_hds[index]) {
2005 fprintf(stderr, "qemu: could not connect serial device"
2006 " to character backend '%s'\n", devname);
2013 static int parallel_parse(const char *devname)
2015 static int index = 0;
2018 if (strcmp(devname, "none") == 0)
2020 if (index == MAX_PARALLEL_PORTS) {
2021 fprintf(stderr, "qemu: too many parallel ports\n");
2024 snprintf(label, sizeof(label), "parallel%d", index);
2025 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2026 if (!parallel_hds[index]) {
2027 fprintf(stderr, "qemu: could not connect parallel device"
2028 " to character backend '%s'\n", devname);
2035 static int virtcon_parse(const char *devname)
2037 QemuOptsList *device = qemu_find_opts("device");
2038 static int index = 0;
2040 QemuOpts *bus_opts, *dev_opts;
2042 if (strcmp(devname, "none") == 0)
2044 if (index == MAX_VIRTIO_CONSOLES) {
2045 fprintf(stderr, "qemu: too many virtio consoles\n");
2049 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2050 if (arch_type == QEMU_ARCH_S390X) {
2051 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2053 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2056 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2057 qemu_opt_set(dev_opts, "driver", "virtconsole");
2059 snprintf(label, sizeof(label), "virtcon%d", index);
2060 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2061 if (!virtcon_hds[index]) {
2062 fprintf(stderr, "qemu: could not connect virtio console"
2063 " to character backend '%s'\n", devname);
2066 qemu_opt_set(dev_opts, "chardev", label);
2072 static int debugcon_parse(const char *devname)
2076 if (!qemu_chr_new("debugcon", devname, NULL)) {
2079 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2081 fprintf(stderr, "qemu: already have a debugcon device\n");
2084 qemu_opt_set(opts, "driver", "isa-debugcon");
2085 qemu_opt_set(opts, "chardev", "debugcon");
2089 static QEMUMachine *machine_parse(const char *name)
2091 QEMUMachine *m, *machine = NULL;
2094 machine = find_machine(name);
2099 printf("Supported machines are:\n");
2100 for (m = first_machine; m != NULL; m = m->next) {
2102 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2104 printf("%-20s %s%s\n", m->name, m->desc,
2105 m->is_default ? " (default)" : "");
2107 exit(!name || !is_help_option(name));
2110 static int tcg_init(void)
2112 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2117 const char *opt_name;
2119 int (*available)(void);
2123 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2124 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2125 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2126 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2129 static int configure_accelerator(void)
2131 const char *p = NULL;
2134 bool accel_initialised = 0;
2135 bool init_failed = 0;
2137 QemuOptsList *list = qemu_find_opts("machine");
2138 if (!QTAILQ_EMPTY(&list->head)) {
2139 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2143 /* Use the default "accelerator", tcg */
2147 while (!accel_initialised && *p != '\0') {
2151 p = get_opt_name(buf, sizeof (buf), p, ':');
2152 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2153 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2154 *(accel_list[i].allowed) = 1;
2155 ret = accel_list[i].init();
2158 if (!accel_list[i].available()) {
2159 printf("%s not supported for this target\n",
2160 accel_list[i].name);
2162 fprintf(stderr, "failed to initialize %s: %s\n",
2166 *(accel_list[i].allowed) = 0;
2168 accel_initialised = 1;
2173 if (i == ARRAY_SIZE(accel_list)) {
2174 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2178 if (!accel_initialised) {
2179 fprintf(stderr, "No accelerator found!\n");
2184 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2187 return !accel_initialised;
2190 void qemu_add_exit_notifier(Notifier *notify)
2192 notifier_list_add(&exit_notifiers, notify);
2195 void qemu_remove_exit_notifier(Notifier *notify)
2197 notifier_remove(notify);
2200 static void qemu_run_exit_notifiers(void)
2202 notifier_list_notify(&exit_notifiers, NULL);
2205 void qemu_add_machine_init_done_notifier(Notifier *notify)
2207 notifier_list_add(&machine_init_done_notifiers, notify);
2210 static void qemu_run_machine_init_done_notifiers(void)
2212 notifier_list_notify(&machine_init_done_notifiers, NULL);
2215 static const QEMUOption *lookup_opt(int argc, char **argv,
2216 const char **poptarg, int *poptind)
2218 const QEMUOption *popt;
2219 int optind = *poptind;
2220 char *r = argv[optind];
2223 loc_set_cmdline(argv, optind, 1);
2225 /* Treat --foo the same as -foo. */
2228 popt = qemu_options;
2231 error_report("invalid option");
2234 if (!strcmp(popt->name, r + 1))
2238 if (popt->flags & HAS_ARG) {
2239 if (optind >= argc) {
2240 error_report("requires an argument");
2243 optarg = argv[optind++];
2244 loc_set_cmdline(argv, optind - 2, 2);
2255 static gpointer malloc_and_trace(gsize n_bytes)
2257 void *ptr = malloc(n_bytes);
2258 trace_g_malloc(n_bytes, ptr);
2262 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2264 void *ptr = realloc(mem, n_bytes);
2265 trace_g_realloc(mem, n_bytes, ptr);
2269 static void free_and_trace(gpointer mem)
2275 int qemu_init_main_loop(void)
2277 return main_loop_init();
2280 int main(int argc, char **argv, char **envp)
2283 int snapshot, linux_boot;
2284 const char *icount_option = NULL;
2285 const char *initrd_filename;
2286 const char *kernel_filename, *kernel_cmdline;
2287 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2289 DisplayChangeListener *dcl;
2290 int cyls, heads, secs, translation;
2291 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2292 QemuOptsList *olist;
2295 const char *loadvm = NULL;
2296 QEMUMachine *machine;
2297 const char *cpu_model;
2298 const char *vga_model = "none";
2299 const char *pid_file = NULL;
2300 const char *incoming = NULL;
2302 int show_vnc_port = 0;
2304 bool defconfig = true;
2305 bool userconfig = true;
2306 const char *log_mask = NULL;
2307 const char *log_file = NULL;
2308 GMemVTable mem_trace = {
2309 .malloc = malloc_and_trace,
2310 .realloc = realloc_and_trace,
2311 .free = free_and_trace,
2313 const char *trace_events = NULL;
2314 const char *trace_file = NULL;
2316 atexit(qemu_run_exit_notifiers);
2317 error_set_progname(argv[0]);
2319 g_mem_set_vtable(&mem_trace);
2320 if (!g_thread_supported()) {
2321 #if !GLIB_CHECK_VERSION(2, 31, 0)
2322 g_thread_init(NULL);
2324 fprintf(stderr, "glib threading failed to initialize.\n");
2329 module_call_init(MODULE_INIT_QOM);
2334 rtc_clock = host_clock;
2336 qemu_cache_utils_init(envp);
2338 QLIST_INIT (&vm_change_state_head);
2339 os_setup_early_signal_handling();
2341 module_call_init(MODULE_INIT_MACHINE);
2342 machine = find_default_machine();
2346 cyls = heads = secs = 0;
2347 translation = BIOS_ATA_TRANSLATION_AUTO;
2349 for (i = 0; i < MAX_NODES; i++) {
2351 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2359 /* first pass of option parsing */
2361 while (optind < argc) {
2362 if (argv[optind][0] != '-') {
2367 const QEMUOption *popt;
2369 popt = lookup_opt(argc, argv, &optarg, &optind);
2370 switch (popt->index) {
2371 case QEMU_OPTION_nodefconfig:
2374 case QEMU_OPTION_nouserconfig:
2383 ret = qemu_read_default_config_files(userconfig);
2389 /* second pass of option parsing */
2394 if (argv[optind][0] != '-') {
2395 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2397 const QEMUOption *popt;
2399 popt = lookup_opt(argc, argv, &optarg, &optind);
2400 if (!(popt->arch_mask & arch_type)) {
2401 printf("Option %s not supported for this target\n", popt->name);
2404 switch(popt->index) {
2406 machine = machine_parse(optarg);
2408 case QEMU_OPTION_cpu:
2409 /* hw initialization will check this */
2412 case QEMU_OPTION_hda:
2416 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2418 snprintf(buf, sizeof(buf),
2419 "%s,cyls=%d,heads=%d,secs=%d%s",
2420 HD_OPTS , cyls, heads, secs,
2421 translation == BIOS_ATA_TRANSLATION_LBA ?
2423 translation == BIOS_ATA_TRANSLATION_NONE ?
2424 ",trans=none" : "");
2425 drive_add(IF_DEFAULT, 0, optarg, buf);
2428 case QEMU_OPTION_hdb:
2429 case QEMU_OPTION_hdc:
2430 case QEMU_OPTION_hdd:
2431 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2434 case QEMU_OPTION_drive:
2435 if (drive_def(optarg) == NULL) {
2439 case QEMU_OPTION_set:
2440 if (qemu_set_option(optarg) != 0)
2443 case QEMU_OPTION_global:
2444 if (qemu_global_option(optarg) != 0)
2447 case QEMU_OPTION_mtdblock:
2448 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2450 case QEMU_OPTION_sd:
2451 drive_add(IF_SD, 0, optarg, SD_OPTS);
2453 case QEMU_OPTION_pflash:
2454 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2456 case QEMU_OPTION_snapshot:
2459 case QEMU_OPTION_hdachs:
2463 cyls = strtol(p, (char **)&p, 0);
2464 if (cyls < 1 || cyls > 16383)
2469 heads = strtol(p, (char **)&p, 0);
2470 if (heads < 1 || heads > 16)
2475 secs = strtol(p, (char **)&p, 0);
2476 if (secs < 1 || secs > 63)
2480 if (!strcmp(p, "none"))
2481 translation = BIOS_ATA_TRANSLATION_NONE;
2482 else if (!strcmp(p, "lba"))
2483 translation = BIOS_ATA_TRANSLATION_LBA;
2484 else if (!strcmp(p, "auto"))
2485 translation = BIOS_ATA_TRANSLATION_AUTO;
2488 } else if (*p != '\0') {
2490 fprintf(stderr, "qemu: invalid physical CHS format\n");
2493 if (hda_opts != NULL) {
2495 snprintf(num, sizeof(num), "%d", cyls);
2496 qemu_opt_set(hda_opts, "cyls", num);
2497 snprintf(num, sizeof(num), "%d", heads);
2498 qemu_opt_set(hda_opts, "heads", num);
2499 snprintf(num, sizeof(num), "%d", secs);
2500 qemu_opt_set(hda_opts, "secs", num);
2501 if (translation == BIOS_ATA_TRANSLATION_LBA)
2502 qemu_opt_set(hda_opts, "trans", "lba");
2503 if (translation == BIOS_ATA_TRANSLATION_NONE)
2504 qemu_opt_set(hda_opts, "trans", "none");
2508 case QEMU_OPTION_numa:
2509 if (nb_numa_nodes >= MAX_NODES) {
2510 fprintf(stderr, "qemu: too many NUMA nodes\n");
2515 case QEMU_OPTION_display:
2516 display_type = select_display(optarg);
2518 case QEMU_OPTION_nographic:
2519 display_type = DT_NOGRAPHIC;
2521 case QEMU_OPTION_curses:
2522 #ifdef CONFIG_CURSES
2523 display_type = DT_CURSES;
2525 fprintf(stderr, "Curses support is disabled\n");
2529 case QEMU_OPTION_portrait:
2530 graphic_rotate = 90;
2532 case QEMU_OPTION_rotate:
2533 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2534 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2535 graphic_rotate != 180 && graphic_rotate != 270) {
2537 "qemu: only 90, 180, 270 deg rotation is available\n");
2541 case QEMU_OPTION_kernel:
2542 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2544 case QEMU_OPTION_initrd:
2545 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2547 case QEMU_OPTION_append:
2548 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2550 case QEMU_OPTION_dtb:
2551 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2553 case QEMU_OPTION_cdrom:
2554 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2556 case QEMU_OPTION_boot:
2558 static const char * const params[] = {
2559 "order", "once", "menu",
2560 "splash", "splash-time", NULL
2562 char buf[sizeof(boot_devices)];
2563 char *standard_boot_devices;
2566 if (!strchr(optarg, '=')) {
2568 pstrcpy(buf, sizeof(buf), optarg);
2569 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2571 "qemu: unknown boot parameter '%s' in '%s'\n",
2577 get_param_value(buf, sizeof(buf), "order", optarg)) {
2578 validate_bootdevices(buf);
2579 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2582 if (get_param_value(buf, sizeof(buf),
2584 validate_bootdevices(buf);
2585 standard_boot_devices = g_strdup(boot_devices);
2586 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2587 qemu_register_reset(restore_boot_devices,
2588 standard_boot_devices);
2590 if (get_param_value(buf, sizeof(buf),
2592 if (!strcmp(buf, "on")) {
2594 } else if (!strcmp(buf, "off")) {
2598 "qemu: invalid option value '%s'\n",
2603 qemu_opts_parse(qemu_find_opts("boot-opts"),
2608 case QEMU_OPTION_fda:
2609 case QEMU_OPTION_fdb:
2610 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2613 case QEMU_OPTION_no_fd_bootchk:
2616 case QEMU_OPTION_netdev:
2617 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2621 case QEMU_OPTION_net:
2622 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2626 #ifdef CONFIG_LIBISCSI
2627 case QEMU_OPTION_iscsi:
2628 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2635 case QEMU_OPTION_tftp:
2636 legacy_tftp_prefix = optarg;
2638 case QEMU_OPTION_bootp:
2639 legacy_bootp_filename = optarg;
2641 case QEMU_OPTION_redir:
2642 if (net_slirp_redir(optarg) < 0)
2646 case QEMU_OPTION_bt:
2647 add_device_config(DEV_BT, optarg);
2649 case QEMU_OPTION_audio_help:
2650 if (!(audio_available())) {
2651 printf("Option %s not supported for this target\n", popt->name);
2657 case QEMU_OPTION_soundhw:
2658 if (!(audio_available())) {
2659 printf("Option %s not supported for this target\n", popt->name);
2662 select_soundhw (optarg);
2667 case QEMU_OPTION_version:
2671 case QEMU_OPTION_m: {
2675 value = strtosz(optarg, &end);
2676 if (value < 0 || *end) {
2677 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2681 if (value != (uint64_t)(ram_addr_t)value) {
2682 fprintf(stderr, "qemu: ram size too large\n");
2688 case QEMU_OPTION_mempath:
2692 case QEMU_OPTION_mem_prealloc:
2703 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2705 case QEMU_OPTION_gdb:
2706 add_device_config(DEV_GDB, optarg);
2711 case QEMU_OPTION_bios:
2714 case QEMU_OPTION_singlestep:
2721 keyboard_layout = optarg;
2723 case QEMU_OPTION_localtime:
2726 case QEMU_OPTION_vga:
2735 w = strtol(p, (char **)&p, 10);
2738 fprintf(stderr, "qemu: invalid resolution or depth\n");
2744 h = strtol(p, (char **)&p, 10);
2749 depth = strtol(p, (char **)&p, 10);
2750 if (depth != 8 && depth != 15 && depth != 16 &&
2751 depth != 24 && depth != 32)
2753 } else if (*p == '\0') {
2754 depth = graphic_depth;
2761 graphic_depth = depth;
2764 case QEMU_OPTION_echr:
2767 term_escape_char = strtol(optarg, &r, 0);
2769 printf("Bad argument to echr\n");
2772 case QEMU_OPTION_monitor:
2773 monitor_parse(optarg, "readline");
2774 default_monitor = 0;
2776 case QEMU_OPTION_qmp:
2777 monitor_parse(optarg, "control");
2778 default_monitor = 0;
2780 case QEMU_OPTION_mon:
2781 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2785 default_monitor = 0;
2787 case QEMU_OPTION_chardev:
2788 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2793 case QEMU_OPTION_fsdev:
2794 olist = qemu_find_opts("fsdev");
2796 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2799 opts = qemu_opts_parse(olist, optarg, 1);
2801 fprintf(stderr, "parse error: %s\n", optarg);
2805 case QEMU_OPTION_virtfs: {
2808 const char *writeout, *sock_fd, *socket;
2810 olist = qemu_find_opts("virtfs");
2812 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2815 opts = qemu_opts_parse(olist, optarg, 1);
2817 fprintf(stderr, "parse error: %s\n", optarg);
2821 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2822 qemu_opt_get(opts, "mount_tag") == NULL) {
2823 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2826 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2827 qemu_opt_get(opts, "mount_tag"),
2830 fprintf(stderr, "duplicate fsdev id: %s\n",
2831 qemu_opt_get(opts, "mount_tag"));
2835 writeout = qemu_opt_get(opts, "writeout");
2837 #ifdef CONFIG_SYNC_FILE_RANGE
2838 qemu_opt_set(fsdev, "writeout", writeout);
2840 fprintf(stderr, "writeout=immediate not supported on "
2845 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2846 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2847 qemu_opt_set(fsdev, "security_model",
2848 qemu_opt_get(opts, "security_model"));
2849 socket = qemu_opt_get(opts, "socket");
2851 qemu_opt_set(fsdev, "socket", socket);
2853 sock_fd = qemu_opt_get(opts, "sock_fd");
2855 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2858 qemu_opt_set_bool(fsdev, "readonly",
2859 qemu_opt_get_bool(opts, "readonly", 0));
2860 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2862 qemu_opt_set(device, "driver", "virtio-9p-pci");
2863 qemu_opt_set(device, "fsdev",
2864 qemu_opt_get(opts, "mount_tag"));
2865 qemu_opt_set(device, "mount_tag",
2866 qemu_opt_get(opts, "mount_tag"));
2869 case QEMU_OPTION_virtfs_synth: {
2873 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2876 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2879 qemu_opt_set(fsdev, "fsdriver", "synth");
2881 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2883 qemu_opt_set(device, "driver", "virtio-9p-pci");
2884 qemu_opt_set(device, "fsdev", "v_synth");
2885 qemu_opt_set(device, "mount_tag", "v_synth");
2888 case QEMU_OPTION_serial:
2889 add_device_config(DEV_SERIAL, optarg);
2891 if (strncmp(optarg, "mon:", 4) == 0) {
2892 default_monitor = 0;
2895 case QEMU_OPTION_watchdog:
2898 "qemu: only one watchdog option may be given\n");
2903 case QEMU_OPTION_watchdog_action:
2904 if (select_watchdog_action(optarg) == -1) {
2905 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2909 case QEMU_OPTION_virtiocon:
2910 add_device_config(DEV_VIRTCON, optarg);
2911 default_virtcon = 0;
2912 if (strncmp(optarg, "mon:", 4) == 0) {
2913 default_monitor = 0;
2916 case QEMU_OPTION_parallel:
2917 add_device_config(DEV_PARALLEL, optarg);
2918 default_parallel = 0;
2919 if (strncmp(optarg, "mon:", 4) == 0) {
2920 default_monitor = 0;
2923 case QEMU_OPTION_debugcon:
2924 add_device_config(DEV_DEBUGCON, optarg);
2926 case QEMU_OPTION_loadvm:
2929 case QEMU_OPTION_full_screen:
2933 case QEMU_OPTION_no_frame:
2936 case QEMU_OPTION_alt_grab:
2939 case QEMU_OPTION_ctrl_grab:
2942 case QEMU_OPTION_no_quit:
2945 case QEMU_OPTION_sdl:
2946 display_type = DT_SDL;
2949 case QEMU_OPTION_no_frame:
2950 case QEMU_OPTION_alt_grab:
2951 case QEMU_OPTION_ctrl_grab:
2952 case QEMU_OPTION_no_quit:
2953 case QEMU_OPTION_sdl:
2954 fprintf(stderr, "SDL support is disabled\n");
2957 case QEMU_OPTION_pidfile:
2960 case QEMU_OPTION_win2k_hack:
2961 win2k_install_hack = 1;
2963 case QEMU_OPTION_rtc_td_hack: {
2964 static GlobalProperty slew_lost_ticks[] = {
2966 .driver = "mc146818rtc",
2967 .property = "lost_tick_policy",
2970 { /* end of list */ }
2973 qdev_prop_register_global_list(slew_lost_ticks);
2976 case QEMU_OPTION_acpitable:
2977 do_acpitable_option(optarg);
2979 case QEMU_OPTION_smbios:
2980 do_smbios_option(optarg);
2982 case QEMU_OPTION_enable_kvm:
2983 olist = qemu_find_opts("machine");
2984 qemu_opts_parse(olist, "accel=kvm", 0);
2986 case QEMU_OPTION_machine:
2987 olist = qemu_find_opts("machine");
2988 opts = qemu_opts_parse(olist, optarg, 1);
2990 fprintf(stderr, "parse error: %s\n", optarg);
2993 optarg = qemu_opt_get(opts, "type");
2995 machine = machine_parse(optarg);
2998 case QEMU_OPTION_usb:
3001 case QEMU_OPTION_usbdevice:
3003 add_device_config(DEV_USB, optarg);
3005 case QEMU_OPTION_device:
3006 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3010 case QEMU_OPTION_smp:
3013 fprintf(stderr, "Invalid number of CPUs\n");
3016 if (max_cpus < smp_cpus) {
3017 fprintf(stderr, "maxcpus must be equal to or greater than "
3021 if (max_cpus > 255) {
3022 fprintf(stderr, "Unsupported number of maxcpus\n");
3026 case QEMU_OPTION_vnc:
3029 vnc_display = optarg;
3031 fprintf(stderr, "VNC support is disabled\n");
3035 case QEMU_OPTION_no_acpi:
3038 case QEMU_OPTION_no_hpet:
3041 case QEMU_OPTION_balloon:
3042 if (balloon_parse(optarg) < 0) {
3043 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3047 case QEMU_OPTION_no_reboot:
3050 case QEMU_OPTION_no_shutdown:
3053 case QEMU_OPTION_show_cursor:
3056 case QEMU_OPTION_uuid:
3057 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3058 fprintf(stderr, "Fail to parse UUID string."
3059 " Wrong format.\n");
3063 case QEMU_OPTION_option_rom:
3064 if (nb_option_roms >= MAX_OPTION_ROMS) {
3065 fprintf(stderr, "Too many option ROMs\n");
3068 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3069 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3070 option_rom[nb_option_roms].bootindex =
3071 qemu_opt_get_number(opts, "bootindex", -1);
3072 if (!option_rom[nb_option_roms].name) {
3073 fprintf(stderr, "Option ROM file is not specified\n");
3078 case QEMU_OPTION_semihosting:
3079 semihosting_enabled = 1;
3081 case QEMU_OPTION_name:
3082 qemu_name = g_strdup(optarg);
3084 char *p = strchr(qemu_name, ',');
3087 if (strncmp(p, "process=", 8)) {
3088 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3092 os_set_proc_name(p);
3096 case QEMU_OPTION_prom_env:
3097 if (nb_prom_envs >= MAX_PROM_ENVS) {
3098 fprintf(stderr, "Too many prom variables\n");
3101 prom_envs[nb_prom_envs] = optarg;
3104 case QEMU_OPTION_old_param:
3107 case QEMU_OPTION_clock:
3108 configure_alarms(optarg);
3110 case QEMU_OPTION_startdate:
3111 configure_rtc_date_offset(optarg, 1);
3113 case QEMU_OPTION_rtc:
3114 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3118 configure_rtc(opts);
3120 case QEMU_OPTION_tb_size:
3121 tcg_tb_size = strtol(optarg, NULL, 0);
3122 if (tcg_tb_size < 0) {
3126 case QEMU_OPTION_icount:
3127 icount_option = optarg;
3129 case QEMU_OPTION_incoming:
3131 runstate_set(RUN_STATE_INMIGRATE);
3133 case QEMU_OPTION_nodefaults:
3135 default_parallel = 0;
3136 default_virtcon = 0;
3137 default_monitor = 0;
3144 case QEMU_OPTION_xen_domid:
3145 if (!(xen_available())) {
3146 printf("Option %s not supported for this target\n", popt->name);
3149 xen_domid = atoi(optarg);
3151 case QEMU_OPTION_xen_create:
3152 if (!(xen_available())) {
3153 printf("Option %s not supported for this target\n", popt->name);
3156 xen_mode = XEN_CREATE;
3158 case QEMU_OPTION_xen_attach:
3159 if (!(xen_available())) {
3160 printf("Option %s not supported for this target\n", popt->name);
3163 xen_mode = XEN_ATTACH;
3165 case QEMU_OPTION_trace:
3167 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3171 trace_events = qemu_opt_get(opts, "events");
3172 trace_file = qemu_opt_get(opts, "file");
3175 case QEMU_OPTION_readconfig:
3177 int ret = qemu_read_config_file(optarg);
3179 fprintf(stderr, "read config %s: %s\n", optarg,
3185 case QEMU_OPTION_spice:
3186 olist = qemu_find_opts("spice");
3188 fprintf(stderr, "spice is not supported by this qemu build.\n");
3191 opts = qemu_opts_parse(olist, optarg, 0);
3193 fprintf(stderr, "parse error: %s\n", optarg);
3197 case QEMU_OPTION_writeconfig:
3200 if (strcmp(optarg, "-") == 0) {
3203 fp = fopen(optarg, "w");
3205 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3209 qemu_config_write(fp);
3213 case QEMU_OPTION_qtest:
3214 qtest_chrdev = optarg;
3216 case QEMU_OPTION_qtest_log:
3220 os_parse_cmd_args(popt->index, optarg);
3226 if (machine == NULL) {
3227 fprintf(stderr, "No machine found.\n");
3231 if (machine->hw_version) {
3232 qemu_set_version(machine->hw_version);
3235 /* Init CPU def lists, based on config
3236 * - Must be called after all the qemu_read_config_file() calls
3237 * - Must be called before list_cpus()
3238 * - Must be called before machine->init()
3242 if (cpu_model && is_help_option(cpu_model)) {
3243 list_cpus(stdout, &fprintf, cpu_model);
3247 /* Open the logfile at this point, if necessary. We can't open the logfile
3248 * when encountering either of the logging options (-d or -D) because the
3249 * other one may be encountered later on the command line, changing the
3250 * location or level of logging.
3254 set_cpu_log_filename(log_file);
3256 set_cpu_log(log_mask);
3259 if (!trace_backend_init(trace_events, trace_file)) {
3263 /* If no data_dir is specified then try to find it relative to the
3266 data_dir = os_find_datadir(argv[0]);
3268 /* If all else fails use the install path specified when building. */
3270 data_dir = CONFIG_QEMU_DATADIR;
3274 * Default to max_cpus = smp_cpus, in case the user doesn't
3275 * specify a max_cpus value.
3278 max_cpus = smp_cpus;
3280 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3281 if (smp_cpus > machine->max_cpus) {
3282 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3283 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3289 * Get the default machine options from the machine if it is not already
3290 * specified either by the configuration file or by the command line.
3292 if (machine->default_machine_opts) {
3293 qemu_opts_set_defaults(qemu_find_opts("machine"),
3294 machine->default_machine_opts, 0);
3297 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3298 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3300 if (machine->no_serial) {
3303 if (machine->no_parallel) {
3304 default_parallel = 0;
3306 if (!machine->use_virtcon) {
3307 default_virtcon = 0;
3309 if (machine->no_floppy) {
3312 if (machine->no_cdrom) {
3315 if (machine->no_sdcard) {
3319 if (display_type == DT_NOGRAPHIC) {
3320 if (default_parallel)
3321 add_device_config(DEV_PARALLEL, "null");
3322 if (default_serial && default_monitor) {
3323 add_device_config(DEV_SERIAL, "mon:stdio");
3324 } else if (default_virtcon && default_monitor) {
3325 add_device_config(DEV_VIRTCON, "mon:stdio");
3328 add_device_config(DEV_SERIAL, "stdio");
3329 if (default_virtcon)
3330 add_device_config(DEV_VIRTCON, "stdio");
3331 if (default_monitor)
3332 monitor_parse("stdio", "readline");
3336 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3337 if (default_parallel)
3338 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3339 if (default_monitor)
3340 monitor_parse("vc:80Cx24C", "readline");
3341 if (default_virtcon)
3342 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3347 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3349 #ifdef CONFIG_VIRTFS
3350 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3357 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3362 /* init the memory */
3363 if (ram_size == 0) {
3364 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3367 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3372 configure_accelerator();
3374 qemu_init_cpu_loop();
3375 if (qemu_init_main_loop()) {
3376 fprintf(stderr, "qemu_init_main_loop failed\n");
3380 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3382 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3383 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3384 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3386 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3389 if (!kernel_cmdline) {
3390 kernel_cmdline = "";
3393 linux_boot = (kernel_filename != NULL);
3395 if (!linux_boot && *kernel_cmdline != '\0') {
3396 fprintf(stderr, "-append only allowed with -kernel option\n");
3400 if (!linux_boot && initrd_filename != NULL) {
3401 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3405 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3406 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3410 os_set_line_buffering();
3412 if (init_timer_alarm() < 0) {
3413 fprintf(stderr, "could not initialize alarm timer\n");
3418 /* spice needs the timers to be initialized by this point */
3422 if (icount_option && (kvm_enabled() || xen_enabled())) {
3423 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3426 configure_icount(icount_option);
3428 if (net_init_clients() < 0) {
3432 /* init the bluetooth world */
3433 if (foreach_device_config(DEV_BT, bt_parse))
3436 if (!xen_enabled()) {
3437 /* On 32-bit hosts, QEMU is limited by virtual address space */
3438 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3439 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3444 cpu_exec_init_all();
3446 bdrv_init_with_whitelist();
3450 /* open the virtual block devices */
3452 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3453 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3456 default_drive(default_cdrom, snapshot, machine->use_scsi,
3457 IF_DEFAULT, 2, CDROM_OPTS);
3458 default_drive(default_floppy, snapshot, machine->use_scsi,
3459 IF_FLOPPY, 0, FD_OPTS);
3460 default_drive(default_sdcard, snapshot, machine->use_scsi,
3463 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3465 if (nb_numa_nodes > 0) {
3468 if (nb_numa_nodes > MAX_NODES) {
3469 nb_numa_nodes = MAX_NODES;
3472 /* If no memory size if given for any node, assume the default case
3473 * and distribute the available memory equally across all nodes
3475 for (i = 0; i < nb_numa_nodes; i++) {
3476 if (node_mem[i] != 0)
3479 if (i == nb_numa_nodes) {
3480 uint64_t usedmem = 0;
3482 /* On Linux, the each node's border has to be 8MB aligned,
3483 * the final node gets the rest.
3485 for (i = 0; i < nb_numa_nodes - 1; i++) {
3486 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3487 usedmem += node_mem[i];
3489 node_mem[i] = ram_size - usedmem;
3492 for (i = 0; i < nb_numa_nodes; i++) {
3493 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3497 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3498 * must cope with this anyway, because there are BIOSes out there in
3499 * real machines which also use this scheme.
3501 if (i == nb_numa_nodes) {
3502 for (i = 0; i < max_cpus; i++) {
3503 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3508 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3512 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3514 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3516 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3518 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3521 /* If no default VGA is requested, the default is "none". */
3522 if (default_vga && cirrus_vga_available()) {
3523 vga_model = "cirrus";
3525 select_vgahw(vga_model);
3528 i = select_watchdog(watchdog);
3530 exit (i == 1 ? 1 : 0);
3533 if (machine->compat_props) {
3534 qdev_prop_register_global_list(machine->compat_props);
3538 qdev_machine_init();
3540 machine->init(ram_size, boot_devices,
3541 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3543 cpu_synchronize_all_post_init();
3547 current_machine = machine;
3549 /* init USB devices */
3551 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3555 /* init generic devices */
3556 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3559 net_check_clients();
3561 /* just use the first displaystate for the moment */
3562 ds = get_displaystate();
3566 if (display_type == DT_DEFAULT && !display_remote) {
3567 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3568 display_type = DT_SDL;
3569 #elif defined(CONFIG_VNC)
3570 vnc_display = "localhost:0,to=99";
3573 display_type = DT_NONE;
3578 /* init local displays */
3579 switch (display_type) {
3582 #if defined(CONFIG_CURSES)
3584 curses_display_init(ds, full_screen);
3587 #if defined(CONFIG_SDL)
3589 sdl_display_init(ds, full_screen, no_frame);
3591 #elif defined(CONFIG_COCOA)
3593 cocoa_display_init(ds, full_screen);
3600 /* must be after terminal init, SDL library changes signal handlers */
3601 os_setup_signal_handling();
3604 /* init remote displays */
3606 vnc_display_init(ds);
3607 if (vnc_display_open(ds, vnc_display) < 0) {
3608 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3613 if (show_vnc_port) {
3614 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3619 if (using_spice && !qxl_enabled) {
3620 qemu_spice_display_init(ds);
3626 dcl = ds->listeners;
3627 while (dcl != NULL) {
3628 if (dcl->dpy_refresh != NULL) {
3629 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3630 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3635 text_consoles_set_display(ds);
3637 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3641 qdev_machine_creation_done();
3643 if (rom_load_all() != 0) {
3644 fprintf(stderr, "rom loading failed\n");
3648 /* TODO: once all bus devices are qdevified, this should be done
3649 * when bus is created by qdev.c */
3650 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3651 qemu_run_machine_init_done_notifiers();
3653 qemu_system_reset(VMRESET_SILENT);
3655 if (load_vmstate(loadvm) < 0) {
3662 int ret = qemu_start_incoming_migration(incoming, &errp);
3664 if (error_is_set(&errp)) {
3665 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3668 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3672 } else if (autostart) {