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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
37 #include <sys/times.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
46 #include <arpa/inet.h>
49 #include <sys/select.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
84 #if defined(__OpenBSD__)
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.h"
131 #include "net/slirp.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
143 #include "audio/audio.h"
144 #include "migration.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
153 #include "fsdev/qemu-fsdev.h"
158 #include "qemu_socket.h"
160 #include "slirp/libslirp.h"
163 #include "trace/control.h"
164 #include "qemu-queue.h"
166 #include "arch_init.h"
168 #include "ui/qemu-spice.h"
171 //#define DEBUG_SLIRP
173 #define DEFAULT_RAM_SIZE 128
175 #define MAX_VIRTIO_CONSOLES 1
177 static const char *data_dir;
178 const char *bios_name = NULL;
179 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180 DisplayType display_type = DT_DEFAULT;
181 int display_remote = 0;
182 const char* keyboard_layout = NULL;
184 const char *mem_path = NULL;
186 int mem_prealloc = 0; /* force preallocation of physical target memory */
189 NICInfo nd_table[MAX_NICS];
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
197 static int no_frame = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
212 const char *vnc_display;
214 int acpi_enabled = 1;
220 int graphic_rotate = 0;
221 uint8_t irq0override = 1;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
225 int semihosting_enabled = 0;
227 const char *qemu_name;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
237 typedef struct FWBootEntry FWBootEntry;
240 QTAILQ_ENTRY(FWBootEntry) link;
246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
249 uint64_t node_mem[MAX_NODES];
250 uint64_t node_cpumask[MAX_NODES];
252 uint8_t qemu_uuid[16];
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
263 static int tcg_allowed = 1;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_vga = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "vmware-svga", .flag = &default_vga },
296 { .driver = "isa-vga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
300 static void res_free(void)
302 if (boot_splash_filedata != NULL) {
303 g_free(boot_splash_filedata);
304 boot_splash_filedata = NULL;
308 static int default_driver_check(QemuOpts *opts, void *opaque)
310 const char *driver = qemu_opt_get(opts, "driver");
315 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
316 if (strcmp(default_list[i].driver, driver) != 0)
318 *(default_list[i].flag) = 0;
323 /***********************************************************/
326 static RunState current_run_state = RUN_STATE_PRELAUNCH;
331 } RunStateTransition;
333 static const RunStateTransition runstate_transitions_def[] = {
335 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
337 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
338 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
340 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
343 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
344 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
346 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
347 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
349 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
352 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
353 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
356 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
359 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
361 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
362 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
363 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
365 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
366 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
367 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
369 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
371 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
373 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
374 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
376 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
377 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
379 { RUN_STATE_MAX, RUN_STATE_MAX },
382 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
384 bool runstate_check(RunState state)
386 return current_run_state == state;
389 void runstate_init(void)
391 const RunStateTransition *p;
393 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
395 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
396 runstate_valid_transitions[p->from][p->to] = true;
400 /* This function will abort() on invalid state transitions */
401 void runstate_set(RunState new_state)
403 assert(new_state < RUN_STATE_MAX);
405 if (!runstate_valid_transitions[current_run_state][new_state]) {
406 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
407 RunState_lookup[current_run_state],
408 RunState_lookup[new_state]);
412 current_run_state = new_state;
415 int runstate_is_running(void)
417 return runstate_check(RUN_STATE_RUNNING);
420 StatusInfo *qmp_query_status(Error **errp)
422 StatusInfo *info = g_malloc0(sizeof(*info));
424 info->running = runstate_is_running();
425 info->singlestep = singlestep;
426 info->status = current_run_state;
431 /***********************************************************/
432 /* real time host monotonic timer */
434 /***********************************************************/
435 /* host time/date access */
436 void qemu_get_timedate(struct tm *tm, int offset)
443 if (rtc_date_offset == -1) {
447 ret = localtime(&ti);
449 ti -= rtc_date_offset;
453 memcpy(tm, ret, sizeof(struct tm));
456 int qemu_timedate_diff(struct tm *tm)
460 if (rtc_date_offset == -1)
462 seconds = mktimegm(tm);
465 tmp.tm_isdst = -1; /* use timezone to figure it out */
466 seconds = mktime(&tmp);
469 seconds = mktimegm(tm) + rtc_date_offset;
471 return seconds - time(NULL);
474 void rtc_change_mon_event(struct tm *tm)
478 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
479 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
480 qobject_decref(data);
483 static void configure_rtc_date_offset(const char *startdate, int legacy)
485 time_t rtc_start_date;
488 if (!strcmp(startdate, "now") && legacy) {
489 rtc_date_offset = -1;
491 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
499 } else if (sscanf(startdate, "%d-%d-%d",
511 rtc_start_date = mktimegm(&tm);
512 if (rtc_start_date == -1) {
514 fprintf(stderr, "Invalid date format. Valid formats are:\n"
515 "'2006-06-17T16:01:21' or '2006-06-17'\n");
518 rtc_date_offset = time(NULL) - rtc_start_date;
522 static void configure_rtc(QemuOpts *opts)
526 value = qemu_opt_get(opts, "base");
528 if (!strcmp(value, "utc")) {
530 } else if (!strcmp(value, "localtime")) {
533 configure_rtc_date_offset(value, 0);
536 value = qemu_opt_get(opts, "clock");
538 if (!strcmp(value, "host")) {
539 rtc_clock = host_clock;
540 } else if (!strcmp(value, "vm")) {
541 rtc_clock = vm_clock;
543 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
547 value = qemu_opt_get(opts, "driftfix");
549 if (!strcmp(value, "slew")) {
551 } else if (!strcmp(value, "none")) {
554 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
560 /***********************************************************/
561 /* Bluetooth support */
564 static struct HCIInfo *hci_table[MAX_NICS];
566 static struct bt_vlan_s {
567 struct bt_scatternet_s net;
569 struct bt_vlan_s *next;
572 /* find or alloc a new bluetooth "VLAN" */
573 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
575 struct bt_vlan_s **pvlan, *vlan;
576 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
580 vlan = g_malloc0(sizeof(struct bt_vlan_s));
582 pvlan = &first_bt_vlan;
583 while (*pvlan != NULL)
584 pvlan = &(*pvlan)->next;
589 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
593 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
598 static struct HCIInfo null_hci = {
599 .cmd_send = null_hci_send,
600 .sco_send = null_hci_send,
601 .acl_send = null_hci_send,
602 .bdaddr_set = null_hci_addr_set,
605 struct HCIInfo *qemu_next_hci(void)
607 if (cur_hci == nb_hcis)
610 return hci_table[cur_hci++];
613 static struct HCIInfo *hci_init(const char *str)
616 struct bt_scatternet_s *vlan = 0;
618 if (!strcmp(str, "null"))
621 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
623 return bt_host_hci(str[4] ? str + 5 : "hci0");
624 else if (!strncmp(str, "hci", 3)) {
627 if (!strncmp(str + 3, ",vlan=", 6)) {
628 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
633 vlan = qemu_find_bt_vlan(0);
635 return bt_new_hci(vlan);
638 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
643 static int bt_hci_parse(const char *str)
648 if (nb_hcis >= MAX_NICS) {
649 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
662 bdaddr.b[5] = 0x56 + nb_hcis;
663 hci->bdaddr_set(hci, bdaddr.b);
665 hci_table[nb_hcis++] = hci;
670 static void bt_vhci_add(int vlan_id)
672 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
675 fprintf(stderr, "qemu: warning: adding a VHCI to "
676 "an empty scatternet %i\n", vlan_id);
678 bt_vhci_init(bt_new_hci(vlan));
681 static struct bt_device_s *bt_device_add(const char *opt)
683 struct bt_scatternet_s *vlan;
685 char *endp = strstr(opt, ",vlan=");
686 int len = (endp ? endp - opt : strlen(opt)) + 1;
689 pstrcpy(devname, MIN(sizeof(devname), len), opt);
692 vlan_id = strtol(endp + 6, &endp, 0);
694 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
699 vlan = qemu_find_bt_vlan(vlan_id);
702 fprintf(stderr, "qemu: warning: adding a slave device to "
703 "an empty scatternet %i\n", vlan_id);
705 if (!strcmp(devname, "keyboard"))
706 return bt_keyboard_init(vlan);
708 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
712 static int bt_parse(const char *opt)
714 const char *endp, *p;
717 if (strstart(opt, "hci", &endp)) {
718 if (!*endp || *endp == ',') {
720 if (!strstart(endp, ",vlan=", 0))
723 return bt_hci_parse(opt);
725 } else if (strstart(opt, "vhci", &endp)) {
726 if (!*endp || *endp == ',') {
728 if (strstart(endp, ",vlan=", &p)) {
729 vlan = strtol(p, (char **) &endp, 0);
731 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
735 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
744 } else if (strstart(opt, "device:", &endp))
745 return !bt_device_add(endp);
747 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
751 /***********************************************************/
752 /* QEMU Block devices */
754 #define HD_OPTS "media=disk"
755 #define CDROM_OPTS "media=cdrom"
757 #define PFLASH_OPTS ""
761 static int drive_init_func(QemuOpts *opts, void *opaque)
763 int *use_scsi = opaque;
765 return drive_init(opts, *use_scsi) == NULL;
768 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
770 if (NULL == qemu_opt_get(opts, "snapshot")) {
771 qemu_opt_set(opts, "snapshot", "on");
776 static void default_drive(int enable, int snapshot, int use_scsi,
777 BlockInterfaceType type, int index,
782 if (type == IF_DEFAULT) {
783 type = use_scsi ? IF_SCSI : IF_IDE;
786 if (!enable || drive_get_by_index(type, index)) {
790 opts = drive_add(type, index, NULL, optstr);
792 drive_enable_snapshot(opts, NULL);
794 if (!drive_init(opts, use_scsi)) {
799 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
801 boot_set_handler = func;
802 boot_set_opaque = opaque;
805 int qemu_boot_set(const char *boot_devices)
807 if (!boot_set_handler) {
810 return boot_set_handler(boot_set_opaque, boot_devices);
813 static void validate_bootdevices(char *devices)
815 /* We just do some generic consistency checks */
819 for (p = devices; *p != '\0'; p++) {
820 /* Allowed boot devices are:
821 * a-b: floppy disk drives
822 * c-f: IDE disk drives
823 * g-m: machine implementation dependent drives
824 * n-p: network devices
825 * It's up to each machine implementation to check if the given boot
826 * devices match the actual hardware implementation and firmware
829 if (*p < 'a' || *p > 'p') {
830 fprintf(stderr, "Invalid boot device '%c'\n", *p);
833 if (bitmap & (1 << (*p - 'a'))) {
834 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
837 bitmap |= 1 << (*p - 'a');
841 static void restore_boot_devices(void *opaque)
843 char *standard_boot_devices = opaque;
844 static int first = 1;
846 /* Restore boot order and remove ourselves after the first boot */
852 qemu_boot_set(standard_boot_devices);
854 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
855 g_free(standard_boot_devices);
858 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
861 FWBootEntry *node, *i;
867 assert(dev != NULL || suffix != NULL);
869 node = g_malloc0(sizeof(FWBootEntry));
870 node->bootindex = bootindex;
871 node->suffix = suffix ? g_strdup(suffix) : NULL;
874 QTAILQ_FOREACH(i, &fw_boot_order, link) {
875 if (i->bootindex == bootindex) {
876 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
878 } else if (i->bootindex < bootindex) {
881 QTAILQ_INSERT_BEFORE(i, node, link);
884 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
888 * This function returns null terminated string that consist of new line
889 * separated device paths.
891 * memory pointed by "size" is assigned total length of the array in bytes
894 char *get_boot_devices_list(uint32_t *size)
900 QTAILQ_FOREACH(i, &fw_boot_order, link) {
901 char *devpath = NULL, *bootpath;
905 devpath = qdev_get_fw_dev_path(i->dev);
909 if (i->suffix && devpath) {
910 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
912 bootpath = g_malloc(bootpathlen);
913 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
915 } else if (devpath) {
919 bootpath = g_strdup(i->suffix);
923 list[total-1] = '\n';
925 len = strlen(bootpath) + 1;
926 list = g_realloc(list, total + len);
927 memcpy(&list[total], bootpath, len);
937 static void numa_add(const char *optarg)
941 unsigned long long value, endvalue;
944 optarg = get_opt_name(option, 128, optarg, ',') + 1;
945 if (!strcmp(option, "node")) {
946 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
947 nodenr = nb_numa_nodes;
949 nodenr = strtoull(option, NULL, 10);
952 if (get_param_value(option, 128, "mem", optarg) == 0) {
953 node_mem[nodenr] = 0;
956 sval = strtosz(option, &endptr);
957 if (sval < 0 || *endptr) {
958 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
961 node_mem[nodenr] = sval;
963 if (get_param_value(option, 128, "cpus", optarg) == 0) {
964 node_cpumask[nodenr] = 0;
966 value = strtoull(option, &endptr, 10);
969 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
971 if (*endptr == '-') {
972 endvalue = strtoull(endptr+1, &endptr, 10);
973 if (endvalue >= 63) {
976 "only 63 CPUs in NUMA mode supported.\n");
978 value = (2ULL << endvalue) - (1ULL << value);
980 value = 1ULL << value;
983 node_cpumask[nodenr] = value;
990 static void smp_parse(const char *optarg)
992 int smp, sockets = 0, threads = 0, cores = 0;
996 smp = strtoul(optarg, &endptr, 10);
997 if (endptr != optarg) {
998 if (*endptr == ',') {
1002 if (get_param_value(option, 128, "sockets", endptr) != 0)
1003 sockets = strtoull(option, NULL, 10);
1004 if (get_param_value(option, 128, "cores", endptr) != 0)
1005 cores = strtoull(option, NULL, 10);
1006 if (get_param_value(option, 128, "threads", endptr) != 0)
1007 threads = strtoull(option, NULL, 10);
1008 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1009 max_cpus = strtoull(option, NULL, 10);
1011 /* compute missing values, prefer sockets over cores over threads */
1012 if (smp == 0 || sockets == 0) {
1013 sockets = sockets > 0 ? sockets : 1;
1014 cores = cores > 0 ? cores : 1;
1015 threads = threads > 0 ? threads : 1;
1017 smp = cores * threads * sockets;
1021 threads = threads > 0 ? threads : 1;
1022 cores = smp / (sockets * threads);
1024 threads = smp / (cores * sockets);
1028 smp_cores = cores > 0 ? cores : 1;
1029 smp_threads = threads > 0 ? threads : 1;
1031 max_cpus = smp_cpus;
1034 /***********************************************************/
1037 static int usb_device_add(const char *devname)
1040 USBDevice *dev = NULL;
1045 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1046 dev = usbdevice_create(devname);
1050 /* the other ones */
1051 #ifndef CONFIG_LINUX
1052 /* only the linux version is qdev-ified, usb-bsd still needs this */
1053 if (strstart(devname, "host:", &p)) {
1054 dev = usb_host_device_open(p);
1057 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1058 dev = usb_bt_init(devname[2] ? hci_init(p) :
1059 bt_new_hci(qemu_find_bt_vlan(0)));
1070 static int usb_device_del(const char *devname)
1075 if (strstart(devname, "host:", &p))
1076 return usb_host_device_close(p);
1081 p = strchr(devname, '.');
1084 bus_num = strtoul(devname, NULL, 0);
1085 addr = strtoul(p + 1, NULL, 0);
1087 return usb_device_delete_addr(bus_num, addr);
1090 static int usb_parse(const char *cmdline)
1093 r = usb_device_add(cmdline);
1095 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1100 void do_usb_add(Monitor *mon, const QDict *qdict)
1102 const char *devname = qdict_get_str(qdict, "devname");
1103 if (usb_device_add(devname) < 0) {
1104 error_report("could not add USB device '%s'", devname);
1108 void do_usb_del(Monitor *mon, const QDict *qdict)
1110 const char *devname = qdict_get_str(qdict, "devname");
1111 if (usb_device_del(devname) < 0) {
1112 error_report("could not delete USB device '%s'", devname);
1116 /***********************************************************/
1117 /* PCMCIA/Cardbus */
1119 static struct pcmcia_socket_entry_s {
1120 PCMCIASocket *socket;
1121 struct pcmcia_socket_entry_s *next;
1122 } *pcmcia_sockets = 0;
1124 void pcmcia_socket_register(PCMCIASocket *socket)
1126 struct pcmcia_socket_entry_s *entry;
1128 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1129 entry->socket = socket;
1130 entry->next = pcmcia_sockets;
1131 pcmcia_sockets = entry;
1134 void pcmcia_socket_unregister(PCMCIASocket *socket)
1136 struct pcmcia_socket_entry_s *entry, **ptr;
1138 ptr = &pcmcia_sockets;
1139 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1140 if (entry->socket == socket) {
1146 void pcmcia_info(Monitor *mon)
1148 struct pcmcia_socket_entry_s *iter;
1150 if (!pcmcia_sockets)
1151 monitor_printf(mon, "No PCMCIA sockets\n");
1153 for (iter = pcmcia_sockets; iter; iter = iter->next)
1154 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1155 iter->socket->attached ? iter->socket->card_string :
1159 /***********************************************************/
1160 /* machine registration */
1162 static QEMUMachine *first_machine = NULL;
1163 QEMUMachine *current_machine = NULL;
1165 int qemu_register_machine(QEMUMachine *m)
1168 pm = &first_machine;
1176 static QEMUMachine *find_machine(const char *name)
1180 for(m = first_machine; m != NULL; m = m->next) {
1181 if (!strcmp(m->name, name))
1183 if (m->alias && !strcmp(m->alias, name))
1189 static QEMUMachine *find_default_machine(void)
1193 for(m = first_machine; m != NULL; m = m->next) {
1194 if (m->is_default) {
1201 /***********************************************************/
1202 /* main execution loop */
1204 static void gui_update(void *opaque)
1206 uint64_t interval = GUI_REFRESH_INTERVAL;
1207 DisplayState *ds = opaque;
1208 DisplayChangeListener *dcl = ds->listeners;
1212 while (dcl != NULL) {
1213 if (dcl->gui_timer_interval &&
1214 dcl->gui_timer_interval < interval)
1215 interval = dcl->gui_timer_interval;
1218 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1221 struct vm_change_state_entry {
1222 VMChangeStateHandler *cb;
1224 QLIST_ENTRY (vm_change_state_entry) entries;
1227 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1229 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1232 VMChangeStateEntry *e;
1234 e = g_malloc0(sizeof (*e));
1238 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1242 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1244 QLIST_REMOVE (e, entries);
1248 void vm_state_notify(int running, RunState state)
1250 VMChangeStateEntry *e;
1252 trace_vm_state_notify(running, state);
1254 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1255 e->cb(e->opaque, running, state);
1261 if (!runstate_is_running()) {
1263 runstate_set(RUN_STATE_RUNNING);
1264 vm_state_notify(1, RUN_STATE_RUNNING);
1266 monitor_protocol_event(QEVENT_RESUME, NULL);
1270 /* reset/shutdown handler */
1272 typedef struct QEMUResetEntry {
1273 QTAILQ_ENTRY(QEMUResetEntry) entry;
1274 QEMUResetHandler *func;
1278 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1279 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1280 static int reset_requested;
1281 static int shutdown_requested, shutdown_signal = -1;
1282 static pid_t shutdown_pid;
1283 static int powerdown_requested;
1284 static int debug_requested;
1285 static RunState vmstop_requested = RUN_STATE_MAX;
1287 int qemu_shutdown_requested_get(void)
1289 return shutdown_requested;
1292 int qemu_reset_requested_get(void)
1294 return reset_requested;
1297 int qemu_shutdown_requested(void)
1299 int r = shutdown_requested;
1300 shutdown_requested = 0;
1304 void qemu_kill_report(void)
1306 if (shutdown_signal != -1) {
1307 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1308 if (shutdown_pid == 0) {
1309 /* This happens for eg ^C at the terminal, so it's worth
1310 * avoiding printing an odd message in that case.
1312 fputc('\n', stderr);
1314 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1316 shutdown_signal = -1;
1320 int qemu_reset_requested(void)
1322 int r = reset_requested;
1323 reset_requested = 0;
1327 int qemu_powerdown_requested(void)
1329 int r = powerdown_requested;
1330 powerdown_requested = 0;
1334 static int qemu_debug_requested(void)
1336 int r = debug_requested;
1337 debug_requested = 0;
1341 /* We use RUN_STATE_MAX but any invalid value will do */
1342 static bool qemu_vmstop_requested(RunState *r)
1344 if (vmstop_requested < RUN_STATE_MAX) {
1345 *r = vmstop_requested;
1346 vmstop_requested = RUN_STATE_MAX;
1353 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1355 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1358 re->opaque = opaque;
1359 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1362 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1366 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1367 if (re->func == func && re->opaque == opaque) {
1368 QTAILQ_REMOVE(&reset_handlers, re, entry);
1375 void qemu_system_reset(bool report)
1377 QEMUResetEntry *re, *nre;
1379 /* reset all devices */
1380 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1381 re->func(re->opaque);
1384 monitor_protocol_event(QEVENT_RESET, NULL);
1386 cpu_synchronize_all_post_reset();
1389 void qemu_system_reset_request(void)
1392 shutdown_requested = 1;
1394 reset_requested = 1;
1397 qemu_notify_event();
1400 void qemu_system_killed(int signal, pid_t pid)
1402 shutdown_signal = signal;
1405 qemu_system_shutdown_request();
1408 void qemu_system_shutdown_request(void)
1410 shutdown_requested = 1;
1411 qemu_notify_event();
1414 void qemu_system_powerdown_request(void)
1416 powerdown_requested = 1;
1417 qemu_notify_event();
1420 void qemu_system_debug_request(void)
1422 debug_requested = 1;
1423 qemu_notify_event();
1426 void qemu_system_vmstop_request(RunState state)
1428 vmstop_requested = state;
1429 qemu_notify_event();
1432 qemu_irq qemu_system_powerdown;
1434 static bool main_loop_should_exit(void)
1437 if (qemu_debug_requested()) {
1438 vm_stop(RUN_STATE_DEBUG);
1440 if (qemu_shutdown_requested()) {
1442 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1444 vm_stop(RUN_STATE_SHUTDOWN);
1449 if (qemu_reset_requested()) {
1451 cpu_synchronize_all_states();
1452 qemu_system_reset(VMRESET_REPORT);
1454 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1455 runstate_check(RUN_STATE_SHUTDOWN)) {
1456 runstate_set(RUN_STATE_PAUSED);
1459 if (qemu_powerdown_requested()) {
1460 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1461 qemu_irq_raise(qemu_system_powerdown);
1463 if (qemu_vmstop_requested(&r)) {
1469 static void main_loop(void)
1473 #ifdef CONFIG_PROFILER
1477 nonblocking = !kvm_enabled() && last_io > 0;
1478 #ifdef CONFIG_PROFILER
1479 ti = profile_getclock();
1481 last_io = main_loop_wait(nonblocking);
1482 #ifdef CONFIG_PROFILER
1483 dev_time += profile_getclock() - ti;
1485 } while (!main_loop_should_exit());
1488 static void version(void)
1490 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1493 static void help(int exitcode)
1496 printf("usage: %s [options] [disk_image]\n\n"
1497 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1498 error_get_progname());
1500 #define QEMU_OPTIONS_GENERATE_HELP
1501 #include "qemu-options-wrapper.h"
1503 printf("\nDuring emulation, the following keys are useful:\n"
1504 "ctrl-alt-f toggle full screen\n"
1505 "ctrl-alt-n switch to virtual console 'n'\n"
1506 "ctrl-alt toggle mouse and keyboard grab\n"
1508 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1513 #define HAS_ARG 0x0001
1515 typedef struct QEMUOption {
1522 static const QEMUOption qemu_options[] = {
1523 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1524 #define QEMU_OPTIONS_GENERATE_OPTIONS
1525 #include "qemu-options-wrapper.h"
1528 static void select_vgahw (const char *p)
1533 vga_interface_type = VGA_NONE;
1534 if (strstart(p, "std", &opts)) {
1535 vga_interface_type = VGA_STD;
1536 } else if (strstart(p, "cirrus", &opts)) {
1537 vga_interface_type = VGA_CIRRUS;
1538 } else if (strstart(p, "vmware", &opts)) {
1539 vga_interface_type = VGA_VMWARE;
1540 } else if (strstart(p, "xenfb", &opts)) {
1541 vga_interface_type = VGA_XENFB;
1542 } else if (strstart(p, "qxl", &opts)) {
1543 vga_interface_type = VGA_QXL;
1544 } else if (!strstart(p, "none", &opts)) {
1546 fprintf(stderr, "Unknown vga type: %s\n", p);
1550 const char *nextopt;
1552 if (strstart(opts, ",retrace=", &nextopt)) {
1554 if (strstart(opts, "dumb", &nextopt))
1555 vga_retrace_method = VGA_RETRACE_DUMB;
1556 else if (strstart(opts, "precise", &nextopt))
1557 vga_retrace_method = VGA_RETRACE_PRECISE;
1558 else goto invalid_vga;
1559 } else goto invalid_vga;
1564 static DisplayType select_display(const char *p)
1567 DisplayType display = DT_DEFAULT;
1569 if (strstart(p, "sdl", &opts)) {
1573 const char *nextopt;
1575 if (strstart(opts, ",frame=", &nextopt)) {
1577 if (strstart(opts, "on", &nextopt)) {
1579 } else if (strstart(opts, "off", &nextopt)) {
1582 goto invalid_sdl_args;
1584 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1586 if (strstart(opts, "on", &nextopt)) {
1588 } else if (strstart(opts, "off", &nextopt)) {
1591 goto invalid_sdl_args;
1593 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1595 if (strstart(opts, "on", &nextopt)) {
1597 } else if (strstart(opts, "off", &nextopt)) {
1600 goto invalid_sdl_args;
1602 } else if (strstart(opts, ",window_close=", &nextopt)) {
1604 if (strstart(opts, "on", &nextopt)) {
1606 } else if (strstart(opts, "off", &nextopt)) {
1609 goto invalid_sdl_args;
1613 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1619 fprintf(stderr, "SDL support is disabled\n");
1622 } else if (strstart(p, "vnc", &opts)) {
1627 const char *nextopt;
1629 if (strstart(opts, "=", &nextopt)) {
1630 vnc_display = nextopt;
1634 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1638 fprintf(stderr, "VNC support is disabled\n");
1641 } else if (strstart(p, "curses", &opts)) {
1642 #ifdef CONFIG_CURSES
1643 display = DT_CURSES;
1645 fprintf(stderr, "Curses support is disabled\n");
1648 } else if (strstart(p, "none", &opts)) {
1651 fprintf(stderr, "Unknown display type: %s\n", p);
1658 static int balloon_parse(const char *arg)
1662 if (strcmp(arg, "none") == 0) {
1666 if (!strncmp(arg, "virtio", 6)) {
1667 if (arg[6] == ',') {
1668 /* have params -> parse them */
1669 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1673 /* create empty opts */
1674 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1676 qemu_opt_set(opts, "driver", "virtio-balloon");
1683 char *qemu_find_file(int type, const char *name)
1689 /* If name contains path separators then try it as a straight path. */
1690 if ((strchr(name, '/') || strchr(name, '\\'))
1691 && access(name, R_OK) == 0) {
1692 return g_strdup(name);
1695 case QEMU_FILE_TYPE_BIOS:
1698 case QEMU_FILE_TYPE_KEYMAP:
1699 subdir = "keymaps/";
1704 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1705 buf = g_malloc0(len);
1706 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1707 if (access(buf, R_OK)) {
1714 static int device_help_func(QemuOpts *opts, void *opaque)
1716 return qdev_device_help(opts);
1719 static int device_init_func(QemuOpts *opts, void *opaque)
1723 dev = qdev_device_add(opts);
1729 static int chardev_init_func(QemuOpts *opts, void *opaque)
1731 CharDriverState *chr;
1733 chr = qemu_chr_new_from_opts(opts, NULL);
1739 #ifdef CONFIG_VIRTFS
1740 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1743 ret = qemu_fsdev_add(opts);
1749 static int mon_init_func(QemuOpts *opts, void *opaque)
1751 CharDriverState *chr;
1752 const char *chardev;
1756 mode = qemu_opt_get(opts, "mode");
1760 if (strcmp(mode, "readline") == 0) {
1761 flags = MONITOR_USE_READLINE;
1762 } else if (strcmp(mode, "control") == 0) {
1763 flags = MONITOR_USE_CONTROL;
1765 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1769 if (qemu_opt_get_bool(opts, "pretty", 0))
1770 flags |= MONITOR_USE_PRETTY;
1772 if (qemu_opt_get_bool(opts, "default", 0))
1773 flags |= MONITOR_IS_DEFAULT;
1775 chardev = qemu_opt_get(opts, "chardev");
1776 chr = qemu_chr_find(chardev);
1778 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1782 monitor_init(chr, flags);
1786 static void monitor_parse(const char *optarg, const char *mode)
1788 static int monitor_device_index = 0;
1794 if (strstart(optarg, "chardev:", &p)) {
1795 snprintf(label, sizeof(label), "%s", p);
1797 snprintf(label, sizeof(label), "compat_monitor%d",
1798 monitor_device_index);
1799 if (monitor_device_index == 0) {
1802 opts = qemu_chr_parse_compat(label, optarg);
1804 fprintf(stderr, "parse error: %s\n", optarg);
1809 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1811 fprintf(stderr, "duplicate chardev: %s\n", label);
1814 qemu_opt_set(opts, "mode", mode);
1815 qemu_opt_set(opts, "chardev", label);
1817 qemu_opt_set(opts, "default", "on");
1818 monitor_device_index++;
1821 struct device_config {
1823 DEV_USB, /* -usbdevice */
1825 DEV_SERIAL, /* -serial */
1826 DEV_PARALLEL, /* -parallel */
1827 DEV_VIRTCON, /* -virtioconsole */
1828 DEV_DEBUGCON, /* -debugcon */
1830 const char *cmdline;
1831 QTAILQ_ENTRY(device_config) next;
1833 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1835 static void add_device_config(int type, const char *cmdline)
1837 struct device_config *conf;
1839 conf = g_malloc0(sizeof(*conf));
1841 conf->cmdline = cmdline;
1842 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1845 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1847 struct device_config *conf;
1850 QTAILQ_FOREACH(conf, &device_configs, next) {
1851 if (conf->type != type)
1853 rc = func(conf->cmdline);
1860 static int serial_parse(const char *devname)
1862 static int index = 0;
1865 if (strcmp(devname, "none") == 0)
1867 if (index == MAX_SERIAL_PORTS) {
1868 fprintf(stderr, "qemu: too many serial ports\n");
1871 snprintf(label, sizeof(label), "serial%d", index);
1872 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1873 if (!serial_hds[index]) {
1874 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1875 devname, strerror(errno));
1882 static int parallel_parse(const char *devname)
1884 static int index = 0;
1887 if (strcmp(devname, "none") == 0)
1889 if (index == MAX_PARALLEL_PORTS) {
1890 fprintf(stderr, "qemu: too many parallel ports\n");
1893 snprintf(label, sizeof(label), "parallel%d", index);
1894 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1895 if (!parallel_hds[index]) {
1896 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1897 devname, strerror(errno));
1904 static int virtcon_parse(const char *devname)
1906 QemuOptsList *device = qemu_find_opts("device");
1907 static int index = 0;
1909 QemuOpts *bus_opts, *dev_opts;
1911 if (strcmp(devname, "none") == 0)
1913 if (index == MAX_VIRTIO_CONSOLES) {
1914 fprintf(stderr, "qemu: too many virtio consoles\n");
1918 bus_opts = qemu_opts_create(device, NULL, 0);
1919 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1921 dev_opts = qemu_opts_create(device, NULL, 0);
1922 qemu_opt_set(dev_opts, "driver", "virtconsole");
1924 snprintf(label, sizeof(label), "virtcon%d", index);
1925 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1926 if (!virtcon_hds[index]) {
1927 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1928 devname, strerror(errno));
1931 qemu_opt_set(dev_opts, "chardev", label);
1937 static int debugcon_parse(const char *devname)
1941 if (!qemu_chr_new("debugcon", devname, NULL)) {
1944 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1946 fprintf(stderr, "qemu: already have a debugcon device\n");
1949 qemu_opt_set(opts, "driver", "isa-debugcon");
1950 qemu_opt_set(opts, "chardev", "debugcon");
1954 static QEMUMachine *machine_parse(const char *name)
1956 QEMUMachine *m, *machine = NULL;
1959 machine = find_machine(name);
1964 printf("Supported machines are:\n");
1965 for (m = first_machine; m != NULL; m = m->next) {
1967 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1969 printf("%-10s %s%s\n", m->name, m->desc,
1970 m->is_default ? " (default)" : "");
1972 exit(!name || *name != '?');
1975 static int tcg_init(void)
1977 tcg_exec_init(tcg_tb_size * 1024 * 1024);
1982 const char *opt_name;
1984 int (*available)(void);
1988 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1989 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1990 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1993 static int configure_accelerator(void)
1995 const char *p = NULL;
1998 bool accel_initalised = 0;
1999 bool init_failed = 0;
2001 QemuOptsList *list = qemu_find_opts("machine");
2002 if (!QTAILQ_EMPTY(&list->head)) {
2003 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2007 /* Use the default "accelerator", tcg */
2011 while (!accel_initalised && *p != '\0') {
2015 p = get_opt_name(buf, sizeof (buf), p, ':');
2016 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2017 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2018 *(accel_list[i].allowed) = 1;
2019 ret = accel_list[i].init();
2022 if (!accel_list[i].available()) {
2023 printf("%s not supported for this target\n",
2024 accel_list[i].name);
2026 fprintf(stderr, "failed to initialize %s: %s\n",
2030 *(accel_list[i].allowed) = 0;
2032 accel_initalised = 1;
2037 if (i == ARRAY_SIZE(accel_list)) {
2038 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2042 if (!accel_initalised) {
2043 fprintf(stderr, "No accelerator found!\n");
2048 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2051 return !accel_initalised;
2054 void qemu_add_exit_notifier(Notifier *notify)
2056 notifier_list_add(&exit_notifiers, notify);
2059 void qemu_remove_exit_notifier(Notifier *notify)
2061 notifier_list_remove(&exit_notifiers, notify);
2064 static void qemu_run_exit_notifiers(void)
2066 notifier_list_notify(&exit_notifiers, NULL);
2069 void qemu_add_machine_init_done_notifier(Notifier *notify)
2071 notifier_list_add(&machine_init_done_notifiers, notify);
2074 static void qemu_run_machine_init_done_notifiers(void)
2076 notifier_list_notify(&machine_init_done_notifiers, NULL);
2079 static const QEMUOption *lookup_opt(int argc, char **argv,
2080 const char **poptarg, int *poptind)
2082 const QEMUOption *popt;
2083 int optind = *poptind;
2084 char *r = argv[optind];
2087 loc_set_cmdline(argv, optind, 1);
2089 /* Treat --foo the same as -foo. */
2092 popt = qemu_options;
2095 error_report("invalid option");
2098 if (!strcmp(popt->name, r + 1))
2102 if (popt->flags & HAS_ARG) {
2103 if (optind >= argc) {
2104 error_report("requires an argument");
2107 optarg = argv[optind++];
2108 loc_set_cmdline(argv, optind - 2, 2);
2119 static gpointer malloc_and_trace(gsize n_bytes)
2121 void *ptr = malloc(n_bytes);
2122 trace_g_malloc(n_bytes, ptr);
2126 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2128 void *ptr = realloc(mem, n_bytes);
2129 trace_g_realloc(mem, n_bytes, ptr);
2133 static void free_and_trace(gpointer mem)
2139 int main(int argc, char **argv, char **envp)
2141 const char *gdbstub_dev = NULL;
2143 int snapshot, linux_boot;
2144 const char *icount_option = NULL;
2145 const char *initrd_filename;
2146 const char *kernel_filename, *kernel_cmdline;
2147 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2149 DisplayChangeListener *dcl;
2150 int cyls, heads, secs, translation;
2151 QemuOpts *hda_opts = NULL, *opts;
2152 QemuOptsList *olist;
2155 const char *loadvm = NULL;
2156 QEMUMachine *machine;
2157 const char *cpu_model;
2158 const char *pid_file = NULL;
2159 const char *incoming = NULL;
2161 int show_vnc_port = 0;
2164 const char *log_mask = NULL;
2165 const char *log_file = NULL;
2166 GMemVTable mem_trace = {
2167 .malloc = malloc_and_trace,
2168 .realloc = realloc_and_trace,
2169 .free = free_and_trace,
2171 const char *trace_events = NULL;
2172 const char *trace_file = NULL;
2174 atexit(qemu_run_exit_notifiers);
2175 error_set_progname(argv[0]);
2177 g_mem_set_vtable(&mem_trace);
2178 if (!g_thread_supported()) {
2179 g_thread_init(NULL);
2185 rtc_clock = host_clock;
2187 qemu_cache_utils_init(envp);
2189 QLIST_INIT (&vm_change_state_head);
2190 os_setup_early_signal_handling();
2192 module_call_init(MODULE_INIT_MACHINE);
2193 machine = find_default_machine();
2195 initrd_filename = NULL;
2198 kernel_filename = NULL;
2199 kernel_cmdline = "";
2200 cyls = heads = secs = 0;
2201 translation = BIOS_ATA_TRANSLATION_AUTO;
2203 for (i = 0; i < MAX_NODES; i++) {
2205 node_cpumask[i] = 0;
2213 /* first pass of option parsing */
2215 while (optind < argc) {
2216 if (argv[optind][0] != '-') {
2221 const QEMUOption *popt;
2223 popt = lookup_opt(argc, argv, &optarg, &optind);
2224 switch (popt->index) {
2225 case QEMU_OPTION_nodefconfig:
2235 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2236 if (ret < 0 && ret != -ENOENT) {
2240 ret = qemu_read_config_file(arch_config_name);
2241 if (ret < 0 && ret != -ENOENT) {
2247 /* second pass of option parsing */
2252 if (argv[optind][0] != '-') {
2253 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2255 const QEMUOption *popt;
2257 popt = lookup_opt(argc, argv, &optarg, &optind);
2258 if (!(popt->arch_mask & arch_type)) {
2259 printf("Option %s not supported for this target\n", popt->name);
2262 switch(popt->index) {
2264 machine = machine_parse(optarg);
2266 case QEMU_OPTION_cpu:
2267 /* hw initialization will check this */
2268 if (*optarg == '?') {
2269 list_cpus(stdout, &fprintf, optarg);
2275 case QEMU_OPTION_initrd:
2276 initrd_filename = optarg;
2278 case QEMU_OPTION_hda:
2282 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2284 snprintf(buf, sizeof(buf),
2285 "%s,cyls=%d,heads=%d,secs=%d%s",
2286 HD_OPTS , cyls, heads, secs,
2287 translation == BIOS_ATA_TRANSLATION_LBA ?
2289 translation == BIOS_ATA_TRANSLATION_NONE ?
2290 ",trans=none" : "");
2291 drive_add(IF_DEFAULT, 0, optarg, buf);
2294 case QEMU_OPTION_hdb:
2295 case QEMU_OPTION_hdc:
2296 case QEMU_OPTION_hdd:
2297 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2300 case QEMU_OPTION_drive:
2301 if (drive_def(optarg) == NULL) {
2305 case QEMU_OPTION_set:
2306 if (qemu_set_option(optarg) != 0)
2309 case QEMU_OPTION_global:
2310 if (qemu_global_option(optarg) != 0)
2313 case QEMU_OPTION_mtdblock:
2314 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2316 case QEMU_OPTION_sd:
2317 drive_add(IF_SD, 0, optarg, SD_OPTS);
2319 case QEMU_OPTION_pflash:
2320 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2322 case QEMU_OPTION_snapshot:
2325 case QEMU_OPTION_hdachs:
2329 cyls = strtol(p, (char **)&p, 0);
2330 if (cyls < 1 || cyls > 16383)
2335 heads = strtol(p, (char **)&p, 0);
2336 if (heads < 1 || heads > 16)
2341 secs = strtol(p, (char **)&p, 0);
2342 if (secs < 1 || secs > 63)
2346 if (!strcmp(p, "none"))
2347 translation = BIOS_ATA_TRANSLATION_NONE;
2348 else if (!strcmp(p, "lba"))
2349 translation = BIOS_ATA_TRANSLATION_LBA;
2350 else if (!strcmp(p, "auto"))
2351 translation = BIOS_ATA_TRANSLATION_AUTO;
2354 } else if (*p != '\0') {
2356 fprintf(stderr, "qemu: invalid physical CHS format\n");
2359 if (hda_opts != NULL) {
2361 snprintf(num, sizeof(num), "%d", cyls);
2362 qemu_opt_set(hda_opts, "cyls", num);
2363 snprintf(num, sizeof(num), "%d", heads);
2364 qemu_opt_set(hda_opts, "heads", num);
2365 snprintf(num, sizeof(num), "%d", secs);
2366 qemu_opt_set(hda_opts, "secs", num);
2367 if (translation == BIOS_ATA_TRANSLATION_LBA)
2368 qemu_opt_set(hda_opts, "trans", "lba");
2369 if (translation == BIOS_ATA_TRANSLATION_NONE)
2370 qemu_opt_set(hda_opts, "trans", "none");
2374 case QEMU_OPTION_numa:
2375 if (nb_numa_nodes >= MAX_NODES) {
2376 fprintf(stderr, "qemu: too many NUMA nodes\n");
2381 case QEMU_OPTION_display:
2382 display_type = select_display(optarg);
2384 case QEMU_OPTION_nographic:
2385 display_type = DT_NOGRAPHIC;
2387 case QEMU_OPTION_curses:
2388 #ifdef CONFIG_CURSES
2389 display_type = DT_CURSES;
2391 fprintf(stderr, "Curses support is disabled\n");
2395 case QEMU_OPTION_portrait:
2396 graphic_rotate = 90;
2398 case QEMU_OPTION_rotate:
2399 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2400 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2401 graphic_rotate != 180 && graphic_rotate != 270) {
2403 "qemu: only 90, 180, 270 deg rotation is available\n");
2407 case QEMU_OPTION_kernel:
2408 kernel_filename = optarg;
2410 case QEMU_OPTION_append:
2411 kernel_cmdline = optarg;
2413 case QEMU_OPTION_cdrom:
2414 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2416 case QEMU_OPTION_boot:
2418 static const char * const params[] = {
2419 "order", "once", "menu",
2420 "splash", "splash-time", NULL
2422 char buf[sizeof(boot_devices)];
2423 char *standard_boot_devices;
2426 if (!strchr(optarg, '=')) {
2428 pstrcpy(buf, sizeof(buf), optarg);
2429 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2431 "qemu: unknown boot parameter '%s' in '%s'\n",
2437 get_param_value(buf, sizeof(buf), "order", optarg)) {
2438 validate_bootdevices(buf);
2439 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2442 if (get_param_value(buf, sizeof(buf),
2444 validate_bootdevices(buf);
2445 standard_boot_devices = g_strdup(boot_devices);
2446 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2447 qemu_register_reset(restore_boot_devices,
2448 standard_boot_devices);
2450 if (get_param_value(buf, sizeof(buf),
2452 if (!strcmp(buf, "on")) {
2454 } else if (!strcmp(buf, "off")) {
2458 "qemu: invalid option value '%s'\n",
2463 qemu_opts_parse(qemu_find_opts("boot-opts"),
2468 case QEMU_OPTION_fda:
2469 case QEMU_OPTION_fdb:
2470 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2473 case QEMU_OPTION_no_fd_bootchk:
2476 case QEMU_OPTION_netdev:
2477 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2481 case QEMU_OPTION_net:
2482 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2487 case QEMU_OPTION_tftp:
2488 legacy_tftp_prefix = optarg;
2490 case QEMU_OPTION_bootp:
2491 legacy_bootp_filename = optarg;
2493 case QEMU_OPTION_redir:
2494 if (net_slirp_redir(optarg) < 0)
2498 case QEMU_OPTION_bt:
2499 add_device_config(DEV_BT, optarg);
2501 case QEMU_OPTION_audio_help:
2502 if (!(audio_available())) {
2503 printf("Option %s not supported for this target\n", popt->name);
2509 case QEMU_OPTION_soundhw:
2510 if (!(audio_available())) {
2511 printf("Option %s not supported for this target\n", popt->name);
2514 select_soundhw (optarg);
2519 case QEMU_OPTION_version:
2523 case QEMU_OPTION_m: {
2527 value = strtosz(optarg, &end);
2528 if (value < 0 || *end) {
2529 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2533 if (value != (uint64_t)(ram_addr_t)value) {
2534 fprintf(stderr, "qemu: ram size too large\n");
2540 case QEMU_OPTION_mempath:
2544 case QEMU_OPTION_mem_prealloc:
2555 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2557 case QEMU_OPTION_gdb:
2558 gdbstub_dev = optarg;
2563 case QEMU_OPTION_bios:
2566 case QEMU_OPTION_singlestep:
2573 keyboard_layout = optarg;
2575 case QEMU_OPTION_localtime:
2578 case QEMU_OPTION_vga:
2579 select_vgahw (optarg);
2586 w = strtol(p, (char **)&p, 10);
2589 fprintf(stderr, "qemu: invalid resolution or depth\n");
2595 h = strtol(p, (char **)&p, 10);
2600 depth = strtol(p, (char **)&p, 10);
2601 if (depth != 8 && depth != 15 && depth != 16 &&
2602 depth != 24 && depth != 32)
2604 } else if (*p == '\0') {
2605 depth = graphic_depth;
2612 graphic_depth = depth;
2615 case QEMU_OPTION_echr:
2618 term_escape_char = strtol(optarg, &r, 0);
2620 printf("Bad argument to echr\n");
2623 case QEMU_OPTION_monitor:
2624 monitor_parse(optarg, "readline");
2625 default_monitor = 0;
2627 case QEMU_OPTION_qmp:
2628 monitor_parse(optarg, "control");
2629 default_monitor = 0;
2631 case QEMU_OPTION_mon:
2632 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2636 default_monitor = 0;
2638 case QEMU_OPTION_chardev:
2639 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2644 case QEMU_OPTION_fsdev:
2645 olist = qemu_find_opts("fsdev");
2647 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2650 opts = qemu_opts_parse(olist, optarg, 1);
2652 fprintf(stderr, "parse error: %s\n", optarg);
2656 case QEMU_OPTION_virtfs: {
2659 const char *writeout;
2661 olist = qemu_find_opts("virtfs");
2663 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2666 opts = qemu_opts_parse(olist, optarg, 1);
2668 fprintf(stderr, "parse error: %s\n", optarg);
2672 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2673 qemu_opt_get(opts, "mount_tag") == NULL ||
2674 qemu_opt_get(opts, "path") == NULL) {
2675 fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
2676 "[security_model={mapped|passthrough|none}],"
2677 "mount_tag=tag.\n");
2680 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2681 qemu_opt_get(opts, "mount_tag"), 1);
2683 fprintf(stderr, "duplicate fsdev id: %s\n",
2684 qemu_opt_get(opts, "mount_tag"));
2688 writeout = qemu_opt_get(opts, "writeout");
2690 #ifdef CONFIG_SYNC_FILE_RANGE
2691 qemu_opt_set(fsdev, "writeout", writeout);
2693 fprintf(stderr, "writeout=immediate not supported on "
2698 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2699 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2700 qemu_opt_set(fsdev, "security_model",
2701 qemu_opt_get(opts, "security_model"));
2703 qemu_opt_set_bool(fsdev, "readonly",
2704 qemu_opt_get_bool(opts, "readonly", 0));
2705 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2706 qemu_opt_set(device, "driver", "virtio-9p-pci");
2707 qemu_opt_set(device, "fsdev",
2708 qemu_opt_get(opts, "mount_tag"));
2709 qemu_opt_set(device, "mount_tag",
2710 qemu_opt_get(opts, "mount_tag"));
2713 case QEMU_OPTION_virtfs_synth: {
2717 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2719 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2722 qemu_opt_set(fsdev, "fsdriver", "synth");
2723 qemu_opt_set(fsdev, "path", "/"); /* ignored */
2725 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2726 qemu_opt_set(device, "driver", "virtio-9p-pci");
2727 qemu_opt_set(device, "fsdev", "v_synth");
2728 qemu_opt_set(device, "mount_tag", "v_synth");
2731 case QEMU_OPTION_serial:
2732 add_device_config(DEV_SERIAL, optarg);
2734 if (strncmp(optarg, "mon:", 4) == 0) {
2735 default_monitor = 0;
2738 case QEMU_OPTION_watchdog:
2741 "qemu: only one watchdog option may be given\n");
2746 case QEMU_OPTION_watchdog_action:
2747 if (select_watchdog_action(optarg) == -1) {
2748 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2752 case QEMU_OPTION_virtiocon:
2753 add_device_config(DEV_VIRTCON, optarg);
2754 default_virtcon = 0;
2755 if (strncmp(optarg, "mon:", 4) == 0) {
2756 default_monitor = 0;
2759 case QEMU_OPTION_parallel:
2760 add_device_config(DEV_PARALLEL, optarg);
2761 default_parallel = 0;
2762 if (strncmp(optarg, "mon:", 4) == 0) {
2763 default_monitor = 0;
2766 case QEMU_OPTION_debugcon:
2767 add_device_config(DEV_DEBUGCON, optarg);
2769 case QEMU_OPTION_loadvm:
2772 case QEMU_OPTION_full_screen:
2776 case QEMU_OPTION_no_frame:
2779 case QEMU_OPTION_alt_grab:
2782 case QEMU_OPTION_ctrl_grab:
2785 case QEMU_OPTION_no_quit:
2788 case QEMU_OPTION_sdl:
2789 display_type = DT_SDL;
2792 case QEMU_OPTION_no_frame:
2793 case QEMU_OPTION_alt_grab:
2794 case QEMU_OPTION_ctrl_grab:
2795 case QEMU_OPTION_no_quit:
2796 case QEMU_OPTION_sdl:
2797 fprintf(stderr, "SDL support is disabled\n");
2800 case QEMU_OPTION_pidfile:
2803 case QEMU_OPTION_win2k_hack:
2804 win2k_install_hack = 1;
2806 case QEMU_OPTION_rtc_td_hack:
2809 case QEMU_OPTION_acpitable:
2810 do_acpitable_option(optarg);
2812 case QEMU_OPTION_smbios:
2813 do_smbios_option(optarg);
2815 case QEMU_OPTION_enable_kvm:
2816 olist = qemu_find_opts("machine");
2817 qemu_opts_reset(olist);
2818 qemu_opts_parse(olist, "accel=kvm", 0);
2820 case QEMU_OPTION_machine:
2821 olist = qemu_find_opts("machine");
2822 qemu_opts_reset(olist);
2823 opts = qemu_opts_parse(olist, optarg, 1);
2825 fprintf(stderr, "parse error: %s\n", optarg);
2828 optarg = qemu_opt_get(opts, "type");
2830 machine = machine_parse(optarg);
2833 case QEMU_OPTION_usb:
2836 case QEMU_OPTION_usbdevice:
2838 add_device_config(DEV_USB, optarg);
2840 case QEMU_OPTION_device:
2841 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2845 case QEMU_OPTION_smp:
2848 fprintf(stderr, "Invalid number of CPUs\n");
2851 if (max_cpus < smp_cpus) {
2852 fprintf(stderr, "maxcpus must be equal to or greater than "
2856 if (max_cpus > 255) {
2857 fprintf(stderr, "Unsupported number of maxcpus\n");
2861 case QEMU_OPTION_vnc:
2864 vnc_display = optarg;
2866 fprintf(stderr, "VNC support is disabled\n");
2870 case QEMU_OPTION_no_acpi:
2873 case QEMU_OPTION_no_hpet:
2876 case QEMU_OPTION_balloon:
2877 if (balloon_parse(optarg) < 0) {
2878 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2882 case QEMU_OPTION_no_reboot:
2885 case QEMU_OPTION_no_shutdown:
2888 case QEMU_OPTION_show_cursor:
2891 case QEMU_OPTION_uuid:
2892 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2893 fprintf(stderr, "Fail to parse UUID string."
2894 " Wrong format.\n");
2898 case QEMU_OPTION_option_rom:
2899 if (nb_option_roms >= MAX_OPTION_ROMS) {
2900 fprintf(stderr, "Too many option ROMs\n");
2903 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2904 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2905 option_rom[nb_option_roms].bootindex =
2906 qemu_opt_get_number(opts, "bootindex", -1);
2907 if (!option_rom[nb_option_roms].name) {
2908 fprintf(stderr, "Option ROM file is not specified\n");
2913 case QEMU_OPTION_semihosting:
2914 semihosting_enabled = 1;
2916 case QEMU_OPTION_name:
2917 qemu_name = g_strdup(optarg);
2919 char *p = strchr(qemu_name, ',');
2922 if (strncmp(p, "process=", 8)) {
2923 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2927 os_set_proc_name(p);
2931 case QEMU_OPTION_prom_env:
2932 if (nb_prom_envs >= MAX_PROM_ENVS) {
2933 fprintf(stderr, "Too many prom variables\n");
2936 prom_envs[nb_prom_envs] = optarg;
2939 case QEMU_OPTION_old_param:
2942 case QEMU_OPTION_clock:
2943 configure_alarms(optarg);
2945 case QEMU_OPTION_startdate:
2946 configure_rtc_date_offset(optarg, 1);
2948 case QEMU_OPTION_rtc:
2949 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2953 configure_rtc(opts);
2955 case QEMU_OPTION_tb_size:
2956 tcg_tb_size = strtol(optarg, NULL, 0);
2957 if (tcg_tb_size < 0) {
2961 case QEMU_OPTION_icount:
2962 icount_option = optarg;
2964 case QEMU_OPTION_incoming:
2967 case QEMU_OPTION_nodefaults:
2969 default_parallel = 0;
2970 default_virtcon = 0;
2971 default_monitor = 0;
2978 case QEMU_OPTION_xen_domid:
2979 if (!(xen_available())) {
2980 printf("Option %s not supported for this target\n", popt->name);
2983 xen_domid = atoi(optarg);
2985 case QEMU_OPTION_xen_create:
2986 if (!(xen_available())) {
2987 printf("Option %s not supported for this target\n", popt->name);
2990 xen_mode = XEN_CREATE;
2992 case QEMU_OPTION_xen_attach:
2993 if (!(xen_available())) {
2994 printf("Option %s not supported for this target\n", popt->name);
2997 xen_mode = XEN_ATTACH;
2999 case QEMU_OPTION_trace:
3001 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3005 trace_events = qemu_opt_get(opts, "events");
3006 trace_file = qemu_opt_get(opts, "file");
3009 case QEMU_OPTION_readconfig:
3011 int ret = qemu_read_config_file(optarg);
3013 fprintf(stderr, "read config %s: %s\n", optarg,
3019 case QEMU_OPTION_spice:
3020 olist = qemu_find_opts("spice");
3022 fprintf(stderr, "spice is not supported by this qemu build.\n");
3025 opts = qemu_opts_parse(olist, optarg, 0);
3027 fprintf(stderr, "parse error: %s\n", optarg);
3031 case QEMU_OPTION_writeconfig:
3034 if (strcmp(optarg, "-") == 0) {
3037 fp = fopen(optarg, "w");
3039 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3043 qemu_config_write(fp);
3048 os_parse_cmd_args(popt->index, optarg);
3054 /* Open the logfile at this point, if necessary. We can't open the logfile
3055 * when encountering either of the logging options (-d or -D) because the
3056 * other one may be encountered later on the command line, changing the
3057 * location or level of logging.
3061 set_cpu_log_filename(log_file);
3063 set_cpu_log(log_mask);
3066 if (!trace_backend_init(trace_events, trace_file)) {
3070 /* If no data_dir is specified then try to find it relative to the
3073 data_dir = os_find_datadir(argv[0]);
3075 /* If all else fails use the install path specified when building. */
3077 data_dir = CONFIG_QEMU_DATADIR;
3080 if (machine == NULL) {
3081 fprintf(stderr, "No machine found.\n");
3086 * Default to max_cpus = smp_cpus, in case the user doesn't
3087 * specify a max_cpus value.
3090 max_cpus = smp_cpus;
3092 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3093 if (smp_cpus > machine->max_cpus) {
3094 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3095 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3101 * Get the default machine options from the machine if it is not already
3102 * specified either by the configuration file or by the command line.
3104 if (machine->default_machine_opts) {
3105 QemuOptsList *list = qemu_find_opts("machine");
3106 const char *p = NULL;
3108 if (!QTAILQ_EMPTY(&list->head)) {
3109 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3112 qemu_opts_reset(list);
3113 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3115 fprintf(stderr, "parse error for machine %s: %s\n",
3116 machine->name, machine->default_machine_opts);
3122 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3123 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3125 if (machine->no_serial) {
3128 if (machine->no_parallel) {
3129 default_parallel = 0;
3131 if (!machine->use_virtcon) {
3132 default_virtcon = 0;
3134 if (machine->no_vga) {
3137 if (machine->no_floppy) {
3140 if (machine->no_cdrom) {
3143 if (machine->no_sdcard) {
3147 if (display_type == DT_NOGRAPHIC) {
3148 if (default_parallel)
3149 add_device_config(DEV_PARALLEL, "null");
3150 if (default_serial && default_monitor) {
3151 add_device_config(DEV_SERIAL, "mon:stdio");
3152 } else if (default_virtcon && default_monitor) {
3153 add_device_config(DEV_VIRTCON, "mon:stdio");
3156 add_device_config(DEV_SERIAL, "stdio");
3157 if (default_virtcon)
3158 add_device_config(DEV_VIRTCON, "stdio");
3159 if (default_monitor)
3160 monitor_parse("stdio", "readline");
3164 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3165 if (default_parallel)
3166 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3167 if (default_monitor)
3168 monitor_parse("vc:80Cx24C", "readline");
3169 if (default_virtcon)
3170 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3173 vga_interface_type = VGA_CIRRUS;
3177 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3179 #ifdef CONFIG_VIRTFS
3180 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3187 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3192 /* init the memory */
3193 if (ram_size == 0) {
3194 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3197 configure_accelerator();
3199 qemu_init_cpu_loop();
3200 if (qemu_init_main_loop()) {
3201 fprintf(stderr, "qemu_init_main_loop failed\n");
3204 linux_boot = (kernel_filename != NULL);
3206 if (!linux_boot && *kernel_cmdline != '\0') {
3207 fprintf(stderr, "-append only allowed with -kernel option\n");
3211 if (!linux_boot && initrd_filename != NULL) {
3212 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3216 os_set_line_buffering();
3218 if (init_timer_alarm() < 0) {
3219 fprintf(stderr, "could not initialize alarm timer\n");
3223 if (icount_option && (kvm_enabled() || xen_enabled())) {
3224 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3227 configure_icount(icount_option);
3229 if (net_init_clients() < 0) {
3233 /* init the bluetooth world */
3234 if (foreach_device_config(DEV_BT, bt_parse))
3237 if (!xen_enabled()) {
3238 /* On 32-bit hosts, QEMU is limited by virtual address space */
3239 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3240 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3245 cpu_exec_init_all();
3247 bdrv_init_with_whitelist();
3251 /* open the virtual block devices */
3253 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3254 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3257 default_drive(default_cdrom, snapshot, machine->use_scsi,
3258 IF_DEFAULT, 2, CDROM_OPTS);
3259 default_drive(default_floppy, snapshot, machine->use_scsi,
3260 IF_FLOPPY, 0, FD_OPTS);
3261 default_drive(default_sdcard, snapshot, machine->use_scsi,
3264 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3267 if (nb_numa_nodes > 0) {
3270 if (nb_numa_nodes > MAX_NODES) {
3271 nb_numa_nodes = MAX_NODES;
3274 /* If no memory size if given for any node, assume the default case
3275 * and distribute the available memory equally across all nodes
3277 for (i = 0; i < nb_numa_nodes; i++) {
3278 if (node_mem[i] != 0)
3281 if (i == nb_numa_nodes) {
3282 uint64_t usedmem = 0;
3284 /* On Linux, the each node's border has to be 8MB aligned,
3285 * the final node gets the rest.
3287 for (i = 0; i < nb_numa_nodes - 1; i++) {
3288 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3289 usedmem += node_mem[i];
3291 node_mem[i] = ram_size - usedmem;
3294 for (i = 0; i < nb_numa_nodes; i++) {
3295 if (node_cpumask[i] != 0)
3298 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3299 * must cope with this anyway, because there are BIOSes out there in
3300 * real machines which also use this scheme.
3302 if (i == nb_numa_nodes) {
3303 for (i = 0; i < smp_cpus; i++) {
3304 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3309 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3313 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3315 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3317 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3319 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3322 module_call_init(MODULE_INIT_DEVICE);
3324 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3328 i = select_watchdog(watchdog);
3330 exit (i == 1 ? 1 : 0);
3333 if (machine->compat_props) {
3334 qdev_prop_register_global_list(machine->compat_props);
3338 machine->init(ram_size, boot_devices,
3339 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3341 cpu_synchronize_all_post_init();
3345 current_machine = machine;
3347 /* init USB devices */
3349 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3353 /* init generic devices */
3354 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3357 net_check_clients();
3359 /* just use the first displaystate for the moment */
3360 ds = get_displaystate();
3364 if (display_type == DT_DEFAULT && !display_remote) {
3365 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3366 display_type = DT_SDL;
3367 #elif defined(CONFIG_VNC)
3368 vnc_display = "localhost:0,to=99";
3371 display_type = DT_NONE;
3376 /* init local displays */
3377 switch (display_type) {
3380 #if defined(CONFIG_CURSES)
3382 curses_display_init(ds, full_screen);
3385 #if defined(CONFIG_SDL)
3387 sdl_display_init(ds, full_screen, no_frame);
3389 #elif defined(CONFIG_COCOA)
3391 cocoa_display_init(ds, full_screen);
3398 /* must be after terminal init, SDL library changes signal handlers */
3399 os_setup_signal_handling();
3402 /* init remote displays */
3404 vnc_display_init(ds);
3405 if (vnc_display_open(ds, vnc_display) < 0)
3408 if (show_vnc_port) {
3409 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3414 if (using_spice && !qxl_enabled) {
3415 qemu_spice_display_init(ds);
3421 dcl = ds->listeners;
3422 while (dcl != NULL) {
3423 if (dcl->dpy_refresh != NULL) {
3424 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3425 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3430 text_consoles_set_display(ds);
3432 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3433 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3438 qdev_machine_creation_done();
3440 if (rom_load_all() != 0) {
3441 fprintf(stderr, "rom loading failed\n");
3445 /* TODO: once all bus devices are qdevified, this should be done
3446 * when bus is created by qdev.c */
3447 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3448 qemu_run_machine_init_done_notifiers();
3450 qemu_system_reset(VMRESET_SILENT);
3452 if (load_vmstate(loadvm) < 0) {
3458 runstate_set(RUN_STATE_INMIGRATE);
3459 int ret = qemu_start_incoming_migration(incoming);
3461 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3465 } else if (autostart) {