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 "qemu-seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
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"
139 #include "blockdev.h"
140 #include "hw/block-common.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"
159 #include "qemu_socket.h"
161 #include "slirp/libslirp.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
167 #include "arch_init.h"
170 #include "ui/qemu-spice.h"
171 #include "qapi/string-input-visitor.h"
174 //#define DEBUG_SLIRP
176 #define DEFAULT_RAM_SIZE 128
178 #define MAX_VIRTIO_CONSOLES 1
180 static const char *data_dir;
181 const char *bios_name = NULL;
182 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
183 DisplayType display_type = DT_DEFAULT;
184 static int display_remote;
185 const char* keyboard_layout = NULL;
187 const char *mem_path = NULL;
189 int mem_prealloc = 0; /* force preallocation of physical target memory */
192 NICInfo nd_table[MAX_NICS];
194 static int rtc_utc = 1;
195 static int rtc_date_offset = -1; /* -1 means no change */
196 QEMUClock *rtc_clock;
197 int vga_interface_type = VGA_NONE;
198 static int full_screen = 0;
200 static int no_frame = 0;
203 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
204 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
205 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
206 int win2k_install_hack = 0;
213 const char *vnc_display;
215 int acpi_enabled = 1;
218 static int no_reboot;
221 int graphic_rotate = 0;
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 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
247 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
250 uint64_t node_mem[MAX_NODES];
251 unsigned long *node_cpumask[MAX_NODES];
253 uint8_t qemu_uuid[16];
255 static QEMUBootSetHandler *boot_set_handler;
256 static void *boot_set_opaque;
258 static NotifierList exit_notifiers =
259 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
261 static NotifierList machine_init_done_notifiers =
262 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
264 static int tcg_allowed = 1;
268 enum xen_mode xen_mode = XEN_EMULATE;
269 static int tcg_tb_size;
271 static int default_serial = 1;
272 static int default_parallel = 1;
273 static int default_virtcon = 1;
274 static int default_monitor = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
278 static int default_vga = 1;
284 { .driver = "isa-serial", .flag = &default_serial },
285 { .driver = "isa-parallel", .flag = &default_parallel },
286 { .driver = "isa-fdc", .flag = &default_floppy },
287 { .driver = "ide-cd", .flag = &default_cdrom },
288 { .driver = "ide-hd", .flag = &default_cdrom },
289 { .driver = "ide-drive", .flag = &default_cdrom },
290 { .driver = "scsi-cd", .flag = &default_cdrom },
291 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
292 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
293 { .driver = "virtio-serial", .flag = &default_virtcon },
294 { .driver = "VGA", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "cirrus-vga", .flag = &default_vga },
297 { .driver = "isa-cirrus-vga", .flag = &default_vga },
298 { .driver = "vmware-svga", .flag = &default_vga },
299 { .driver = "qxl-vga", .flag = &default_vga },
302 const char *qemu_get_vm_name(void)
307 static void res_free(void)
309 if (boot_splash_filedata != NULL) {
310 g_free(boot_splash_filedata);
311 boot_splash_filedata = NULL;
315 static int default_driver_check(QemuOpts *opts, void *opaque)
317 const char *driver = qemu_opt_get(opts, "driver");
322 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
323 if (strcmp(default_list[i].driver, driver) != 0)
325 *(default_list[i].flag) = 0;
330 /***********************************************************/
333 static RunState current_run_state = RUN_STATE_PRELAUNCH;
338 } RunStateTransition;
340 static const RunStateTransition runstate_transitions_def[] = {
342 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
344 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
345 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
347 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
348 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
350 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
351 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
353 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
354 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
356 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
357 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
360 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
361 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
363 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
364 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
366 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
368 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
369 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
370 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
371 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
372 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
373 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
374 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
375 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
376 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
378 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
380 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
381 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
383 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
384 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
385 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
386 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
388 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
389 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
391 { RUN_STATE_MAX, RUN_STATE_MAX },
394 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
396 bool runstate_check(RunState state)
398 return current_run_state == state;
401 static void runstate_init(void)
403 const RunStateTransition *p;
405 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
407 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
408 runstate_valid_transitions[p->from][p->to] = true;
412 /* This function will abort() on invalid state transitions */
413 void runstate_set(RunState new_state)
415 assert(new_state < RUN_STATE_MAX);
417 if (!runstate_valid_transitions[current_run_state][new_state]) {
418 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
419 RunState_lookup[current_run_state],
420 RunState_lookup[new_state]);
424 current_run_state = new_state;
427 int runstate_is_running(void)
429 return runstate_check(RUN_STATE_RUNNING);
432 StatusInfo *qmp_query_status(Error **errp)
434 StatusInfo *info = g_malloc0(sizeof(*info));
436 info->running = runstate_is_running();
437 info->singlestep = singlestep;
438 info->status = current_run_state;
443 /***********************************************************/
444 /* real time host monotonic timer */
446 /***********************************************************/
447 /* host time/date access */
448 void qemu_get_timedate(struct tm *tm, int offset)
455 if (rtc_date_offset == -1) {
459 ret = localtime(&ti);
461 ti -= rtc_date_offset;
465 memcpy(tm, ret, sizeof(struct tm));
468 int qemu_timedate_diff(struct tm *tm)
472 if (rtc_date_offset == -1)
474 seconds = mktimegm(tm);
477 tmp.tm_isdst = -1; /* use timezone to figure it out */
478 seconds = mktime(&tmp);
481 seconds = mktimegm(tm) + rtc_date_offset;
483 return seconds - time(NULL);
486 void rtc_change_mon_event(struct tm *tm)
490 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
491 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
492 qobject_decref(data);
495 static void configure_rtc_date_offset(const char *startdate, int legacy)
497 time_t rtc_start_date;
500 if (!strcmp(startdate, "now") && legacy) {
501 rtc_date_offset = -1;
503 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
511 } else if (sscanf(startdate, "%d-%d-%d",
523 rtc_start_date = mktimegm(&tm);
524 if (rtc_start_date == -1) {
526 fprintf(stderr, "Invalid date format. Valid formats are:\n"
527 "'2006-06-17T16:01:21' or '2006-06-17'\n");
530 rtc_date_offset = time(NULL) - rtc_start_date;
534 static void configure_rtc(QemuOpts *opts)
538 value = qemu_opt_get(opts, "base");
540 if (!strcmp(value, "utc")) {
542 } else if (!strcmp(value, "localtime")) {
545 configure_rtc_date_offset(value, 0);
548 value = qemu_opt_get(opts, "clock");
550 if (!strcmp(value, "host")) {
551 rtc_clock = host_clock;
552 } else if (!strcmp(value, "rt")) {
553 rtc_clock = rt_clock;
554 } else if (!strcmp(value, "vm")) {
555 rtc_clock = vm_clock;
557 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
561 value = qemu_opt_get(opts, "driftfix");
563 if (!strcmp(value, "slew")) {
564 static GlobalProperty slew_lost_ticks[] = {
566 .driver = "mc146818rtc",
567 .property = "lost_tick_policy",
570 { /* end of list */ }
573 qdev_prop_register_global_list(slew_lost_ticks);
574 } else if (!strcmp(value, "none")) {
575 /* discard is default */
577 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
583 /***********************************************************/
584 /* Bluetooth support */
587 static struct HCIInfo *hci_table[MAX_NICS];
589 static struct bt_vlan_s {
590 struct bt_scatternet_s net;
592 struct bt_vlan_s *next;
595 /* find or alloc a new bluetooth "VLAN" */
596 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
598 struct bt_vlan_s **pvlan, *vlan;
599 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
603 vlan = g_malloc0(sizeof(struct bt_vlan_s));
605 pvlan = &first_bt_vlan;
606 while (*pvlan != NULL)
607 pvlan = &(*pvlan)->next;
612 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
616 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
621 static struct HCIInfo null_hci = {
622 .cmd_send = null_hci_send,
623 .sco_send = null_hci_send,
624 .acl_send = null_hci_send,
625 .bdaddr_set = null_hci_addr_set,
628 struct HCIInfo *qemu_next_hci(void)
630 if (cur_hci == nb_hcis)
633 return hci_table[cur_hci++];
636 static struct HCIInfo *hci_init(const char *str)
639 struct bt_scatternet_s *vlan = 0;
641 if (!strcmp(str, "null"))
644 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
646 return bt_host_hci(str[4] ? str + 5 : "hci0");
647 else if (!strncmp(str, "hci", 3)) {
650 if (!strncmp(str + 3, ",vlan=", 6)) {
651 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
656 vlan = qemu_find_bt_vlan(0);
658 return bt_new_hci(vlan);
661 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
666 static int bt_hci_parse(const char *str)
671 if (nb_hcis >= MAX_NICS) {
672 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
685 bdaddr.b[5] = 0x56 + nb_hcis;
686 hci->bdaddr_set(hci, bdaddr.b);
688 hci_table[nb_hcis++] = hci;
693 static void bt_vhci_add(int vlan_id)
695 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
698 fprintf(stderr, "qemu: warning: adding a VHCI to "
699 "an empty scatternet %i\n", vlan_id);
701 bt_vhci_init(bt_new_hci(vlan));
704 static struct bt_device_s *bt_device_add(const char *opt)
706 struct bt_scatternet_s *vlan;
708 char *endp = strstr(opt, ",vlan=");
709 int len = (endp ? endp - opt : strlen(opt)) + 1;
712 pstrcpy(devname, MIN(sizeof(devname), len), opt);
715 vlan_id = strtol(endp + 6, &endp, 0);
717 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
722 vlan = qemu_find_bt_vlan(vlan_id);
725 fprintf(stderr, "qemu: warning: adding a slave device to "
726 "an empty scatternet %i\n", vlan_id);
728 if (!strcmp(devname, "keyboard"))
729 return bt_keyboard_init(vlan);
731 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
735 static int bt_parse(const char *opt)
737 const char *endp, *p;
740 if (strstart(opt, "hci", &endp)) {
741 if (!*endp || *endp == ',') {
743 if (!strstart(endp, ",vlan=", 0))
746 return bt_hci_parse(opt);
748 } else if (strstart(opt, "vhci", &endp)) {
749 if (!*endp || *endp == ',') {
751 if (strstart(endp, ",vlan=", &p)) {
752 vlan = strtol(p, (char **) &endp, 0);
754 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
758 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
767 } else if (strstart(opt, "device:", &endp))
768 return !bt_device_add(endp);
770 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
774 static int parse_sandbox(QemuOpts *opts, void *opaque)
776 /* FIXME: change this to true for 1.3 */
777 if (qemu_opt_get_bool(opts, "enable", false)) {
778 #ifdef CONFIG_SECCOMP
779 if (seccomp_start() < 0) {
780 qerror_report(ERROR_CLASS_GENERIC_ERROR,
781 "failed to install seccomp syscall filter in the kernel");
785 qerror_report(ERROR_CLASS_GENERIC_ERROR,
786 "sandboxing request but seccomp is not compiled into this build");
794 /*********QEMU USB setting******/
795 bool usb_enabled(bool default_usb)
798 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
800 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
806 static int parse_add_fd(QemuOpts *opts, void *opaque)
808 int fd, dupfd, flags;
810 const char *fd_opaque = NULL;
812 fd = qemu_opt_get_number(opts, "fd", -1);
813 fdset_id = qemu_opt_get_number(opts, "set", -1);
814 fd_opaque = qemu_opt_get(opts, "opaque");
817 qerror_report(ERROR_CLASS_GENERIC_ERROR,
818 "fd option is required and must be non-negative");
822 if (fd <= STDERR_FILENO) {
823 qerror_report(ERROR_CLASS_GENERIC_ERROR,
824 "fd cannot be a standard I/O stream");
829 * All fds inherited across exec() necessarily have FD_CLOEXEC
830 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
832 flags = fcntl(fd, F_GETFD);
833 if (flags == -1 || (flags & FD_CLOEXEC)) {
834 qerror_report(ERROR_CLASS_GENERIC_ERROR,
835 "fd is not valid or already in use");
840 qerror_report(ERROR_CLASS_GENERIC_ERROR,
841 "set option is required and must be non-negative");
845 #ifdef F_DUPFD_CLOEXEC
846 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
850 qemu_set_cloexec(dupfd);
854 qerror_report(ERROR_CLASS_GENERIC_ERROR,
855 "Error duplicating fd: %s", strerror(errno));
859 /* add the duplicate fd, and optionally the opaque string, to the fd set */
860 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
866 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
870 fd = qemu_opt_get_number(opts, "fd", -1);
877 /***********************************************************/
878 /* QEMU Block devices */
880 #define HD_OPTS "media=disk"
881 #define CDROM_OPTS "media=cdrom"
883 #define PFLASH_OPTS ""
887 static int drive_init_func(QemuOpts *opts, void *opaque)
889 int *use_scsi = opaque;
891 return drive_init(opts, *use_scsi) == NULL;
894 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
896 if (NULL == qemu_opt_get(opts, "snapshot")) {
897 qemu_opt_set(opts, "snapshot", "on");
902 static void default_drive(int enable, int snapshot, int use_scsi,
903 BlockInterfaceType type, int index,
908 if (type == IF_DEFAULT) {
909 type = use_scsi ? IF_SCSI : IF_IDE;
912 if (!enable || drive_get_by_index(type, index)) {
916 opts = drive_add(type, index, NULL, optstr);
918 drive_enable_snapshot(opts, NULL);
920 if (!drive_init(opts, use_scsi)) {
925 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
927 boot_set_handler = func;
928 boot_set_opaque = opaque;
931 int qemu_boot_set(const char *boot_devices)
933 if (!boot_set_handler) {
936 return boot_set_handler(boot_set_opaque, boot_devices);
939 static void validate_bootdevices(char *devices)
941 /* We just do some generic consistency checks */
945 for (p = devices; *p != '\0'; p++) {
946 /* Allowed boot devices are:
947 * a-b: floppy disk drives
948 * c-f: IDE disk drives
949 * g-m: machine implementation dependent drives
950 * n-p: network devices
951 * It's up to each machine implementation to check if the given boot
952 * devices match the actual hardware implementation and firmware
955 if (*p < 'a' || *p > 'p') {
956 fprintf(stderr, "Invalid boot device '%c'\n", *p);
959 if (bitmap & (1 << (*p - 'a'))) {
960 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
963 bitmap |= 1 << (*p - 'a');
967 static void restore_boot_devices(void *opaque)
969 char *standard_boot_devices = opaque;
970 static int first = 1;
972 /* Restore boot order and remove ourselves after the first boot */
978 qemu_boot_set(standard_boot_devices);
980 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
981 g_free(standard_boot_devices);
984 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
987 FWBootEntry *node, *i;
993 assert(dev != NULL || suffix != NULL);
995 node = g_malloc0(sizeof(FWBootEntry));
996 node->bootindex = bootindex;
997 node->suffix = suffix ? g_strdup(suffix) : NULL;
1000 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1001 if (i->bootindex == bootindex) {
1002 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1004 } else if (i->bootindex < bootindex) {
1007 QTAILQ_INSERT_BEFORE(i, node, link);
1010 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1014 * This function returns null terminated string that consist of new line
1015 * separated device paths.
1017 * memory pointed by "size" is assigned total length of the array in bytes
1020 char *get_boot_devices_list(uint32_t *size)
1026 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1027 char *devpath = NULL, *bootpath;
1031 devpath = qdev_get_fw_dev_path(i->dev);
1035 if (i->suffix && devpath) {
1036 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1038 bootpath = g_malloc(bootpathlen);
1039 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1041 } else if (devpath) {
1045 bootpath = g_strdup(i->suffix);
1049 list[total-1] = '\n';
1051 len = strlen(bootpath) + 1;
1052 list = g_realloc(list, total + len);
1053 memcpy(&list[total], bootpath, len);
1063 static void numa_add(const char *optarg)
1067 unsigned long long value, endvalue;
1070 value = endvalue = 0ULL;
1072 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1073 if (!strcmp(option, "node")) {
1074 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1075 nodenr = nb_numa_nodes;
1077 nodenr = strtoull(option, NULL, 10);
1080 if (get_param_value(option, 128, "mem", optarg) == 0) {
1081 node_mem[nodenr] = 0;
1084 sval = strtosz(option, &endptr);
1085 if (sval < 0 || *endptr) {
1086 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1089 node_mem[nodenr] = sval;
1091 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1092 value = strtoull(option, &endptr, 10);
1093 if (*endptr == '-') {
1094 endvalue = strtoull(endptr+1, &endptr, 10);
1099 if (!(endvalue < MAX_CPUMASK_BITS)) {
1100 endvalue = MAX_CPUMASK_BITS - 1;
1102 "A max of %d CPUs are supported in a guest\n",
1106 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1112 static void smp_parse(const char *optarg)
1114 int smp, sockets = 0, threads = 0, cores = 0;
1118 smp = strtoul(optarg, &endptr, 10);
1119 if (endptr != optarg) {
1120 if (*endptr == ',') {
1124 if (get_param_value(option, 128, "sockets", endptr) != 0)
1125 sockets = strtoull(option, NULL, 10);
1126 if (get_param_value(option, 128, "cores", endptr) != 0)
1127 cores = strtoull(option, NULL, 10);
1128 if (get_param_value(option, 128, "threads", endptr) != 0)
1129 threads = strtoull(option, NULL, 10);
1130 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1131 max_cpus = strtoull(option, NULL, 10);
1133 /* compute missing values, prefer sockets over cores over threads */
1134 if (smp == 0 || sockets == 0) {
1135 sockets = sockets > 0 ? sockets : 1;
1136 cores = cores > 0 ? cores : 1;
1137 threads = threads > 0 ? threads : 1;
1139 smp = cores * threads * sockets;
1143 threads = threads > 0 ? threads : 1;
1144 cores = smp / (sockets * threads);
1146 threads = smp / (cores * sockets);
1150 smp_cores = cores > 0 ? cores : 1;
1151 smp_threads = threads > 0 ? threads : 1;
1153 max_cpus = smp_cpus;
1156 /***********************************************************/
1159 static int usb_device_add(const char *devname)
1162 USBDevice *dev = NULL;
1164 if (!usb_enabled(false)) {
1168 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1169 dev = usbdevice_create(devname);
1173 /* the other ones */
1174 #ifndef CONFIG_LINUX
1175 /* only the linux version is qdev-ified, usb-bsd still needs this */
1176 if (strstart(devname, "host:", &p)) {
1177 dev = usb_host_device_open(usb_bus_find(-1), p);
1180 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1181 dev = usb_bt_init(usb_bus_find(-1),
1182 devname[2] ? hci_init(p)
1183 : bt_new_hci(qemu_find_bt_vlan(0)));
1194 static int usb_device_del(const char *devname)
1199 if (strstart(devname, "host:", &p))
1200 return usb_host_device_close(p);
1202 if (!usb_enabled(false)) {
1206 p = strchr(devname, '.');
1209 bus_num = strtoul(devname, NULL, 0);
1210 addr = strtoul(p + 1, NULL, 0);
1212 return usb_device_delete_addr(bus_num, addr);
1215 static int usb_parse(const char *cmdline)
1218 r = usb_device_add(cmdline);
1220 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1225 void do_usb_add(Monitor *mon, const QDict *qdict)
1227 const char *devname = qdict_get_str(qdict, "devname");
1228 if (usb_device_add(devname) < 0) {
1229 error_report("could not add USB device '%s'", devname);
1233 void do_usb_del(Monitor *mon, const QDict *qdict)
1235 const char *devname = qdict_get_str(qdict, "devname");
1236 if (usb_device_del(devname) < 0) {
1237 error_report("could not delete USB device '%s'", devname);
1241 /***********************************************************/
1242 /* PCMCIA/Cardbus */
1244 static struct pcmcia_socket_entry_s {
1245 PCMCIASocket *socket;
1246 struct pcmcia_socket_entry_s *next;
1247 } *pcmcia_sockets = 0;
1249 void pcmcia_socket_register(PCMCIASocket *socket)
1251 struct pcmcia_socket_entry_s *entry;
1253 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1254 entry->socket = socket;
1255 entry->next = pcmcia_sockets;
1256 pcmcia_sockets = entry;
1259 void pcmcia_socket_unregister(PCMCIASocket *socket)
1261 struct pcmcia_socket_entry_s *entry, **ptr;
1263 ptr = &pcmcia_sockets;
1264 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1265 if (entry->socket == socket) {
1271 void pcmcia_info(Monitor *mon)
1273 struct pcmcia_socket_entry_s *iter;
1275 if (!pcmcia_sockets)
1276 monitor_printf(mon, "No PCMCIA sockets\n");
1278 for (iter = pcmcia_sockets; iter; iter = iter->next)
1279 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1280 iter->socket->attached ? iter->socket->card_string :
1284 /***********************************************************/
1285 /* machine registration */
1287 static QEMUMachine *first_machine = NULL;
1288 QEMUMachine *current_machine = NULL;
1290 int qemu_register_machine(QEMUMachine *m)
1293 pm = &first_machine;
1301 static QEMUMachine *find_machine(const char *name)
1305 for(m = first_machine; m != NULL; m = m->next) {
1306 if (!strcmp(m->name, name))
1308 if (m->alias && !strcmp(m->alias, name))
1314 QEMUMachine *find_default_machine(void)
1318 for(m = first_machine; m != NULL; m = m->next) {
1319 if (m->is_default) {
1326 MachineInfoList *qmp_query_machines(Error **errp)
1328 MachineInfoList *mach_list = NULL;
1331 for (m = first_machine; m; m = m->next) {
1332 MachineInfoList *entry;
1335 info = g_malloc0(sizeof(*info));
1336 if (m->is_default) {
1337 info->has_is_default = true;
1338 info->is_default = true;
1342 info->has_alias = true;
1343 info->alias = g_strdup(m->alias);
1346 info->name = g_strdup(m->name);
1348 entry = g_malloc0(sizeof(*entry));
1349 entry->value = info;
1350 entry->next = mach_list;
1357 /***********************************************************/
1358 /* main execution loop */
1360 static void gui_update(void *opaque)
1362 uint64_t interval = GUI_REFRESH_INTERVAL;
1363 DisplayState *ds = opaque;
1364 DisplayChangeListener *dcl;
1368 QLIST_FOREACH(dcl, &ds->listeners, next) {
1369 if (dcl->gui_timer_interval &&
1370 dcl->gui_timer_interval < interval)
1371 interval = dcl->gui_timer_interval;
1373 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1376 void gui_setup_refresh(DisplayState *ds)
1378 DisplayChangeListener *dcl;
1379 bool need_timer = false;
1380 bool have_gfx = false;
1381 bool have_text = false;
1383 QLIST_FOREACH(dcl, &ds->listeners, next) {
1384 if (dcl->dpy_refresh != NULL) {
1387 if (dcl->dpy_gfx_update != NULL) {
1390 if (dcl->dpy_text_update != NULL) {
1395 if (need_timer && ds->gui_timer == NULL) {
1396 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1397 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1399 if (!need_timer && ds->gui_timer != NULL) {
1400 qemu_del_timer(ds->gui_timer);
1401 qemu_free_timer(ds->gui_timer);
1402 ds->gui_timer = NULL;
1405 ds->have_gfx = have_gfx;
1406 ds->have_text = have_text;
1409 struct vm_change_state_entry {
1410 VMChangeStateHandler *cb;
1412 QLIST_ENTRY (vm_change_state_entry) entries;
1415 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1417 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1420 VMChangeStateEntry *e;
1422 e = g_malloc0(sizeof (*e));
1426 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1430 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1432 QLIST_REMOVE (e, entries);
1436 void vm_state_notify(int running, RunState state)
1438 VMChangeStateEntry *e;
1440 trace_vm_state_notify(running, state);
1442 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1443 e->cb(e->opaque, running, state);
1449 if (!runstate_is_running()) {
1451 runstate_set(RUN_STATE_RUNNING);
1452 vm_state_notify(1, RUN_STATE_RUNNING);
1454 monitor_protocol_event(QEVENT_RESUME, NULL);
1458 /* reset/shutdown handler */
1460 typedef struct QEMUResetEntry {
1461 QTAILQ_ENTRY(QEMUResetEntry) entry;
1462 QEMUResetHandler *func;
1466 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1467 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1468 static int reset_requested;
1469 static int shutdown_requested, shutdown_signal = -1;
1470 static pid_t shutdown_pid;
1471 static int powerdown_requested;
1472 static int debug_requested;
1473 static int suspend_requested;
1474 static int wakeup_requested;
1475 static NotifierList powerdown_notifiers =
1476 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1477 static NotifierList suspend_notifiers =
1478 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1479 static NotifierList wakeup_notifiers =
1480 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1481 static uint32_t wakeup_reason_mask = ~0;
1482 static RunState vmstop_requested = RUN_STATE_MAX;
1484 int qemu_shutdown_requested_get(void)
1486 return shutdown_requested;
1489 int qemu_reset_requested_get(void)
1491 return reset_requested;
1494 static int qemu_shutdown_requested(void)
1496 int r = shutdown_requested;
1497 shutdown_requested = 0;
1501 static void qemu_kill_report(void)
1503 if (!qtest_enabled() && shutdown_signal != -1) {
1504 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1505 if (shutdown_pid == 0) {
1506 /* This happens for eg ^C at the terminal, so it's worth
1507 * avoiding printing an odd message in that case.
1509 fputc('\n', stderr);
1511 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1513 shutdown_signal = -1;
1517 static int qemu_reset_requested(void)
1519 int r = reset_requested;
1520 reset_requested = 0;
1524 static int qemu_suspend_requested(void)
1526 int r = suspend_requested;
1527 suspend_requested = 0;
1531 static int qemu_wakeup_requested(void)
1533 int r = wakeup_requested;
1534 wakeup_requested = 0;
1538 static int qemu_powerdown_requested(void)
1540 int r = powerdown_requested;
1541 powerdown_requested = 0;
1545 static int qemu_debug_requested(void)
1547 int r = debug_requested;
1548 debug_requested = 0;
1552 /* We use RUN_STATE_MAX but any invalid value will do */
1553 static bool qemu_vmstop_requested(RunState *r)
1555 if (vmstop_requested < RUN_STATE_MAX) {
1556 *r = vmstop_requested;
1557 vmstop_requested = RUN_STATE_MAX;
1564 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1566 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1569 re->opaque = opaque;
1570 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1573 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1577 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1578 if (re->func == func && re->opaque == opaque) {
1579 QTAILQ_REMOVE(&reset_handlers, re, entry);
1586 void qemu_devices_reset(void)
1588 QEMUResetEntry *re, *nre;
1590 /* reset all devices */
1591 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1592 re->func(re->opaque);
1596 void qemu_system_reset(bool report)
1598 if (current_machine && current_machine->reset) {
1599 current_machine->reset();
1601 qemu_devices_reset();
1604 monitor_protocol_event(QEVENT_RESET, NULL);
1606 cpu_synchronize_all_post_reset();
1609 void qemu_system_reset_request(void)
1612 shutdown_requested = 1;
1614 reset_requested = 1;
1617 qemu_notify_event();
1620 static void qemu_system_suspend(void)
1623 notifier_list_notify(&suspend_notifiers, NULL);
1624 runstate_set(RUN_STATE_SUSPENDED);
1625 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1628 void qemu_system_suspend_request(void)
1630 if (runstate_check(RUN_STATE_SUSPENDED)) {
1633 suspend_requested = 1;
1635 qemu_notify_event();
1638 void qemu_register_suspend_notifier(Notifier *notifier)
1640 notifier_list_add(&suspend_notifiers, notifier);
1643 void qemu_system_wakeup_request(WakeupReason reason)
1645 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1648 if (!(wakeup_reason_mask & (1 << reason))) {
1651 runstate_set(RUN_STATE_RUNNING);
1652 notifier_list_notify(&wakeup_notifiers, &reason);
1653 wakeup_requested = 1;
1654 qemu_notify_event();
1657 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1660 wakeup_reason_mask |= (1 << reason);
1662 wakeup_reason_mask &= ~(1 << reason);
1666 void qemu_register_wakeup_notifier(Notifier *notifier)
1668 notifier_list_add(&wakeup_notifiers, notifier);
1671 void qemu_system_killed(int signal, pid_t pid)
1673 shutdown_signal = signal;
1676 qemu_system_shutdown_request();
1679 void qemu_system_shutdown_request(void)
1681 shutdown_requested = 1;
1682 qemu_notify_event();
1685 static void qemu_system_powerdown(void)
1687 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1688 notifier_list_notify(&powerdown_notifiers, NULL);
1691 void qemu_system_powerdown_request(void)
1693 powerdown_requested = 1;
1694 qemu_notify_event();
1697 void qemu_register_powerdown_notifier(Notifier *notifier)
1699 notifier_list_add(&powerdown_notifiers, notifier);
1702 void qemu_system_debug_request(void)
1704 debug_requested = 1;
1705 qemu_notify_event();
1708 void qemu_system_vmstop_request(RunState state)
1710 vmstop_requested = state;
1711 qemu_notify_event();
1714 static bool main_loop_should_exit(void)
1717 if (qemu_debug_requested()) {
1718 vm_stop(RUN_STATE_DEBUG);
1720 if (qemu_suspend_requested()) {
1721 qemu_system_suspend();
1723 if (qemu_shutdown_requested()) {
1725 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1727 vm_stop(RUN_STATE_SHUTDOWN);
1732 if (qemu_reset_requested()) {
1734 cpu_synchronize_all_states();
1735 qemu_system_reset(VMRESET_REPORT);
1737 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1738 runstate_check(RUN_STATE_SHUTDOWN)) {
1739 runstate_set(RUN_STATE_PAUSED);
1742 if (qemu_wakeup_requested()) {
1744 cpu_synchronize_all_states();
1745 qemu_system_reset(VMRESET_SILENT);
1747 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1749 if (qemu_powerdown_requested()) {
1750 qemu_system_powerdown();
1752 if (qemu_vmstop_requested(&r)) {
1758 static void main_loop(void)
1762 #ifdef CONFIG_PROFILER
1766 nonblocking = !kvm_enabled() && last_io > 0;
1767 #ifdef CONFIG_PROFILER
1768 ti = profile_getclock();
1770 last_io = main_loop_wait(nonblocking);
1771 #ifdef CONFIG_PROFILER
1772 dev_time += profile_getclock() - ti;
1774 } while (!main_loop_should_exit());
1777 static void version(void)
1779 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1782 static void help(int exitcode)
1785 printf("usage: %s [options] [disk_image]\n\n"
1786 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1787 error_get_progname());
1789 #define QEMU_OPTIONS_GENERATE_HELP
1790 #include "qemu-options-wrapper.h"
1792 printf("\nDuring emulation, the following keys are useful:\n"
1793 "ctrl-alt-f toggle full screen\n"
1794 "ctrl-alt-n switch to virtual console 'n'\n"
1795 "ctrl-alt toggle mouse and keyboard grab\n"
1797 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1802 #define HAS_ARG 0x0001
1804 typedef struct QEMUOption {
1811 static const QEMUOption qemu_options[] = {
1812 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1813 #define QEMU_OPTIONS_GENERATE_OPTIONS
1814 #include "qemu-options-wrapper.h"
1818 static bool vga_available(void)
1820 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1823 static bool cirrus_vga_available(void)
1825 return object_class_by_name("cirrus-vga")
1826 || object_class_by_name("isa-cirrus-vga");
1829 static bool vmware_vga_available(void)
1831 return object_class_by_name("vmware-svga");
1834 static bool qxl_vga_available(void)
1836 return object_class_by_name("qxl-vga");
1839 static void select_vgahw (const char *p)
1843 vga_interface_type = VGA_NONE;
1844 if (strstart(p, "std", &opts)) {
1845 if (vga_available()) {
1846 vga_interface_type = VGA_STD;
1848 fprintf(stderr, "Error: standard VGA not available\n");
1851 } else if (strstart(p, "cirrus", &opts)) {
1852 if (cirrus_vga_available()) {
1853 vga_interface_type = VGA_CIRRUS;
1855 fprintf(stderr, "Error: Cirrus VGA not available\n");
1858 } else if (strstart(p, "vmware", &opts)) {
1859 if (vmware_vga_available()) {
1860 vga_interface_type = VGA_VMWARE;
1862 fprintf(stderr, "Error: VMWare SVGA not available\n");
1865 } else if (strstart(p, "xenfb", &opts)) {
1866 vga_interface_type = VGA_XENFB;
1867 } else if (strstart(p, "qxl", &opts)) {
1868 if (qxl_vga_available()) {
1869 vga_interface_type = VGA_QXL;
1871 fprintf(stderr, "Error: QXL VGA not available\n");
1874 } else if (!strstart(p, "none", &opts)) {
1876 fprintf(stderr, "Unknown vga type: %s\n", p);
1880 const char *nextopt;
1882 if (strstart(opts, ",retrace=", &nextopt)) {
1884 if (strstart(opts, "dumb", &nextopt))
1885 vga_retrace_method = VGA_RETRACE_DUMB;
1886 else if (strstart(opts, "precise", &nextopt))
1887 vga_retrace_method = VGA_RETRACE_PRECISE;
1888 else goto invalid_vga;
1889 } else goto invalid_vga;
1894 static DisplayType select_display(const char *p)
1897 DisplayType display = DT_DEFAULT;
1899 if (strstart(p, "sdl", &opts)) {
1903 const char *nextopt;
1905 if (strstart(opts, ",frame=", &nextopt)) {
1907 if (strstart(opts, "on", &nextopt)) {
1909 } else if (strstart(opts, "off", &nextopt)) {
1912 goto invalid_sdl_args;
1914 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1916 if (strstart(opts, "on", &nextopt)) {
1918 } else if (strstart(opts, "off", &nextopt)) {
1921 goto invalid_sdl_args;
1923 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1925 if (strstart(opts, "on", &nextopt)) {
1927 } else if (strstart(opts, "off", &nextopt)) {
1930 goto invalid_sdl_args;
1932 } else if (strstart(opts, ",window_close=", &nextopt)) {
1934 if (strstart(opts, "on", &nextopt)) {
1936 } else if (strstart(opts, "off", &nextopt)) {
1939 goto invalid_sdl_args;
1943 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1949 fprintf(stderr, "SDL support is disabled\n");
1952 } else if (strstart(p, "vnc", &opts)) {
1957 const char *nextopt;
1959 if (strstart(opts, "=", &nextopt)) {
1960 vnc_display = nextopt;
1964 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1968 fprintf(stderr, "VNC support is disabled\n");
1971 } else if (strstart(p, "curses", &opts)) {
1972 #ifdef CONFIG_CURSES
1973 display = DT_CURSES;
1975 fprintf(stderr, "Curses support is disabled\n");
1978 } else if (strstart(p, "none", &opts)) {
1981 fprintf(stderr, "Unknown display type: %s\n", p);
1988 static int balloon_parse(const char *arg)
1992 if (strcmp(arg, "none") == 0) {
1996 if (!strncmp(arg, "virtio", 6)) {
1997 if (arg[6] == ',') {
1998 /* have params -> parse them */
1999 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2003 /* create empty opts */
2004 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
2006 qemu_opt_set(opts, "driver", "virtio-balloon");
2013 char *qemu_find_file(int type, const char *name)
2019 /* Try the name as a straight path first */
2020 if (access(name, R_OK) == 0) {
2021 return g_strdup(name);
2024 case QEMU_FILE_TYPE_BIOS:
2027 case QEMU_FILE_TYPE_KEYMAP:
2028 subdir = "keymaps/";
2033 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2034 buf = g_malloc0(len);
2035 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2036 if (access(buf, R_OK)) {
2043 static int device_help_func(QemuOpts *opts, void *opaque)
2045 return qdev_device_help(opts);
2048 static int device_init_func(QemuOpts *opts, void *opaque)
2052 dev = qdev_device_add(opts);
2058 static int chardev_init_func(QemuOpts *opts, void *opaque)
2060 CharDriverState *chr;
2062 chr = qemu_chr_new_from_opts(opts, NULL);
2068 #ifdef CONFIG_VIRTFS
2069 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2072 ret = qemu_fsdev_add(opts);
2078 static int mon_init_func(QemuOpts *opts, void *opaque)
2080 CharDriverState *chr;
2081 const char *chardev;
2085 mode = qemu_opt_get(opts, "mode");
2089 if (strcmp(mode, "readline") == 0) {
2090 flags = MONITOR_USE_READLINE;
2091 } else if (strcmp(mode, "control") == 0) {
2092 flags = MONITOR_USE_CONTROL;
2094 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2098 if (qemu_opt_get_bool(opts, "pretty", 0))
2099 flags |= MONITOR_USE_PRETTY;
2101 if (qemu_opt_get_bool(opts, "default", 0))
2102 flags |= MONITOR_IS_DEFAULT;
2104 chardev = qemu_opt_get(opts, "chardev");
2105 chr = qemu_chr_find(chardev);
2107 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2111 monitor_init(chr, flags);
2115 static void monitor_parse(const char *optarg, const char *mode)
2117 static int monitor_device_index = 0;
2123 if (strstart(optarg, "chardev:", &p)) {
2124 snprintf(label, sizeof(label), "%s", p);
2126 snprintf(label, sizeof(label), "compat_monitor%d",
2127 monitor_device_index);
2128 if (monitor_device_index == 0) {
2131 opts = qemu_chr_parse_compat(label, optarg);
2133 fprintf(stderr, "parse error: %s\n", optarg);
2138 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2140 fprintf(stderr, "duplicate chardev: %s\n", label);
2143 qemu_opt_set(opts, "mode", mode);
2144 qemu_opt_set(opts, "chardev", label);
2146 qemu_opt_set(opts, "default", "on");
2147 monitor_device_index++;
2150 struct device_config {
2152 DEV_USB, /* -usbdevice */
2154 DEV_SERIAL, /* -serial */
2155 DEV_PARALLEL, /* -parallel */
2156 DEV_VIRTCON, /* -virtioconsole */
2157 DEV_DEBUGCON, /* -debugcon */
2158 DEV_GDB, /* -gdb, -s */
2160 const char *cmdline;
2162 QTAILQ_ENTRY(device_config) next;
2165 static QTAILQ_HEAD(, device_config) device_configs =
2166 QTAILQ_HEAD_INITIALIZER(device_configs);
2168 static void add_device_config(int type, const char *cmdline)
2170 struct device_config *conf;
2172 conf = g_malloc0(sizeof(*conf));
2174 conf->cmdline = cmdline;
2175 loc_save(&conf->loc);
2176 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2179 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2181 struct device_config *conf;
2184 QTAILQ_FOREACH(conf, &device_configs, next) {
2185 if (conf->type != type)
2187 loc_push_restore(&conf->loc);
2188 rc = func(conf->cmdline);
2189 loc_pop(&conf->loc);
2196 static int serial_parse(const char *devname)
2198 static int index = 0;
2201 if (strcmp(devname, "none") == 0)
2203 if (index == MAX_SERIAL_PORTS) {
2204 fprintf(stderr, "qemu: too many serial ports\n");
2207 snprintf(label, sizeof(label), "serial%d", index);
2208 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2209 if (!serial_hds[index]) {
2210 fprintf(stderr, "qemu: could not connect serial device"
2211 " to character backend '%s'\n", devname);
2218 static int parallel_parse(const char *devname)
2220 static int index = 0;
2223 if (strcmp(devname, "none") == 0)
2225 if (index == MAX_PARALLEL_PORTS) {
2226 fprintf(stderr, "qemu: too many parallel ports\n");
2229 snprintf(label, sizeof(label), "parallel%d", index);
2230 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2231 if (!parallel_hds[index]) {
2232 fprintf(stderr, "qemu: could not connect parallel device"
2233 " to character backend '%s'\n", devname);
2240 static int virtcon_parse(const char *devname)
2242 QemuOptsList *device = qemu_find_opts("device");
2243 static int index = 0;
2245 QemuOpts *bus_opts, *dev_opts;
2247 if (strcmp(devname, "none") == 0)
2249 if (index == MAX_VIRTIO_CONSOLES) {
2250 fprintf(stderr, "qemu: too many virtio consoles\n");
2254 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2255 if (arch_type == QEMU_ARCH_S390X) {
2256 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2258 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2261 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2262 qemu_opt_set(dev_opts, "driver", "virtconsole");
2264 snprintf(label, sizeof(label), "virtcon%d", index);
2265 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2266 if (!virtcon_hds[index]) {
2267 fprintf(stderr, "qemu: could not connect virtio console"
2268 " to character backend '%s'\n", devname);
2271 qemu_opt_set(dev_opts, "chardev", label);
2277 static int debugcon_parse(const char *devname)
2281 if (!qemu_chr_new("debugcon", devname, NULL)) {
2284 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2286 fprintf(stderr, "qemu: already have a debugcon device\n");
2289 qemu_opt_set(opts, "driver", "isa-debugcon");
2290 qemu_opt_set(opts, "chardev", "debugcon");
2294 static QEMUMachine *machine_parse(const char *name)
2296 QEMUMachine *m, *machine = NULL;
2299 machine = find_machine(name);
2304 printf("Supported machines are:\n");
2305 for (m = first_machine; m != NULL; m = m->next) {
2307 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2309 printf("%-20s %s%s\n", m->name, m->desc,
2310 m->is_default ? " (default)" : "");
2312 exit(!name || !is_help_option(name));
2315 static int tcg_init(void)
2317 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2322 const char *opt_name;
2324 int (*available)(void);
2328 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2329 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2330 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2331 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2334 static int configure_accelerator(void)
2336 const char *p = NULL;
2339 bool accel_initialised = 0;
2340 bool init_failed = 0;
2342 QemuOptsList *list = qemu_find_opts("machine");
2343 if (!QTAILQ_EMPTY(&list->head)) {
2344 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2348 /* Use the default "accelerator", tcg */
2352 while (!accel_initialised && *p != '\0') {
2356 p = get_opt_name(buf, sizeof (buf), p, ':');
2357 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2358 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2359 *(accel_list[i].allowed) = 1;
2360 ret = accel_list[i].init();
2363 if (!accel_list[i].available()) {
2364 printf("%s not supported for this target\n",
2365 accel_list[i].name);
2367 fprintf(stderr, "failed to initialize %s: %s\n",
2371 *(accel_list[i].allowed) = 0;
2373 accel_initialised = 1;
2378 if (i == ARRAY_SIZE(accel_list)) {
2379 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2383 if (!accel_initialised) {
2384 fprintf(stderr, "No accelerator found!\n");
2389 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2392 return !accel_initialised;
2395 void qemu_add_exit_notifier(Notifier *notify)
2397 notifier_list_add(&exit_notifiers, notify);
2400 void qemu_remove_exit_notifier(Notifier *notify)
2402 notifier_remove(notify);
2405 static void qemu_run_exit_notifiers(void)
2407 notifier_list_notify(&exit_notifiers, NULL);
2410 void qemu_add_machine_init_done_notifier(Notifier *notify)
2412 notifier_list_add(&machine_init_done_notifiers, notify);
2415 static void qemu_run_machine_init_done_notifiers(void)
2417 notifier_list_notify(&machine_init_done_notifiers, NULL);
2420 static const QEMUOption *lookup_opt(int argc, char **argv,
2421 const char **poptarg, int *poptind)
2423 const QEMUOption *popt;
2424 int optind = *poptind;
2425 char *r = argv[optind];
2428 loc_set_cmdline(argv, optind, 1);
2430 /* Treat --foo the same as -foo. */
2433 popt = qemu_options;
2436 error_report("invalid option");
2439 if (!strcmp(popt->name, r + 1))
2443 if (popt->flags & HAS_ARG) {
2444 if (optind >= argc) {
2445 error_report("requires an argument");
2448 optarg = argv[optind++];
2449 loc_set_cmdline(argv, optind - 2, 2);
2460 static gpointer malloc_and_trace(gsize n_bytes)
2462 void *ptr = malloc(n_bytes);
2463 trace_g_malloc(n_bytes, ptr);
2467 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2469 void *ptr = realloc(mem, n_bytes);
2470 trace_g_realloc(mem, n_bytes, ptr);
2474 static void free_and_trace(gpointer mem)
2480 static int object_set_property(const char *name, const char *value, void *opaque)
2482 Object *obj = OBJECT(opaque);
2483 StringInputVisitor *siv;
2484 Error *local_err = NULL;
2486 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2490 siv = string_input_visitor_new(value);
2491 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2492 string_input_visitor_cleanup(siv);
2495 qerror_report_err(local_err);
2496 error_free(local_err);
2503 static int object_create(QemuOpts *opts, void *opaque)
2505 const char *type = qemu_opt_get(opts, "qom-type");
2506 const char *id = qemu_opts_id(opts);
2509 g_assert(type != NULL);
2512 qerror_report(QERR_MISSING_PARAMETER, "id");
2516 obj = object_new(type);
2517 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2521 object_property_add_child(container_get(object_get_root(), "/objects"),
2527 int main(int argc, char **argv, char **envp)
2530 int snapshot, linux_boot;
2531 const char *icount_option = NULL;
2532 const char *initrd_filename;
2533 const char *kernel_filename, *kernel_cmdline;
2534 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2536 int cyls, heads, secs, translation;
2537 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2538 QemuOptsList *olist;
2541 const char *loadvm = NULL;
2542 QEMUMachine *machine;
2543 const char *cpu_model;
2544 const char *vga_model = "none";
2545 const char *pid_file = NULL;
2546 const char *incoming = NULL;
2548 int show_vnc_port = 0;
2550 bool defconfig = true;
2551 bool userconfig = true;
2552 const char *log_mask = NULL;
2553 const char *log_file = NULL;
2554 GMemVTable mem_trace = {
2555 .malloc = malloc_and_trace,
2556 .realloc = realloc_and_trace,
2557 .free = free_and_trace,
2559 const char *trace_events = NULL;
2560 const char *trace_file = NULL;
2562 atexit(qemu_run_exit_notifiers);
2563 error_set_progname(argv[0]);
2565 g_mem_set_vtable(&mem_trace);
2566 if (!g_thread_supported()) {
2567 #if !GLIB_CHECK_VERSION(2, 31, 0)
2568 g_thread_init(NULL);
2570 fprintf(stderr, "glib threading failed to initialize.\n");
2575 module_call_init(MODULE_INIT_QOM);
2580 rtc_clock = host_clock;
2582 qemu_cache_utils_init(envp);
2584 QLIST_INIT (&vm_change_state_head);
2585 os_setup_early_signal_handling();
2587 module_call_init(MODULE_INIT_MACHINE);
2588 machine = find_default_machine();
2592 cyls = heads = secs = 0;
2593 translation = BIOS_ATA_TRANSLATION_AUTO;
2595 for (i = 0; i < MAX_NODES; i++) {
2597 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2605 /* first pass of option parsing */
2607 while (optind < argc) {
2608 if (argv[optind][0] != '-') {
2613 const QEMUOption *popt;
2615 popt = lookup_opt(argc, argv, &optarg, &optind);
2616 switch (popt->index) {
2617 case QEMU_OPTION_nodefconfig:
2620 case QEMU_OPTION_nouserconfig:
2629 ret = qemu_read_default_config_files(userconfig);
2635 /* second pass of option parsing */
2640 if (argv[optind][0] != '-') {
2641 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2643 const QEMUOption *popt;
2645 popt = lookup_opt(argc, argv, &optarg, &optind);
2646 if (!(popt->arch_mask & arch_type)) {
2647 printf("Option %s not supported for this target\n", popt->name);
2650 switch(popt->index) {
2652 machine = machine_parse(optarg);
2654 case QEMU_OPTION_no_kvm_irqchip: {
2655 olist = qemu_find_opts("machine");
2656 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2659 case QEMU_OPTION_cpu:
2660 /* hw initialization will check this */
2663 case QEMU_OPTION_hda:
2667 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2669 snprintf(buf, sizeof(buf),
2670 "%s,cyls=%d,heads=%d,secs=%d%s",
2671 HD_OPTS , cyls, heads, secs,
2672 translation == BIOS_ATA_TRANSLATION_LBA ?
2674 translation == BIOS_ATA_TRANSLATION_NONE ?
2675 ",trans=none" : "");
2676 drive_add(IF_DEFAULT, 0, optarg, buf);
2679 case QEMU_OPTION_hdb:
2680 case QEMU_OPTION_hdc:
2681 case QEMU_OPTION_hdd:
2682 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2685 case QEMU_OPTION_drive:
2686 if (drive_def(optarg) == NULL) {
2690 case QEMU_OPTION_set:
2691 if (qemu_set_option(optarg) != 0)
2694 case QEMU_OPTION_global:
2695 if (qemu_global_option(optarg) != 0)
2698 case QEMU_OPTION_mtdblock:
2699 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2701 case QEMU_OPTION_sd:
2702 drive_add(IF_SD, 0, optarg, SD_OPTS);
2704 case QEMU_OPTION_pflash:
2705 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2707 case QEMU_OPTION_snapshot:
2710 case QEMU_OPTION_hdachs:
2714 cyls = strtol(p, (char **)&p, 0);
2715 if (cyls < 1 || cyls > 16383)
2720 heads = strtol(p, (char **)&p, 0);
2721 if (heads < 1 || heads > 16)
2726 secs = strtol(p, (char **)&p, 0);
2727 if (secs < 1 || secs > 63)
2731 if (!strcmp(p, "none"))
2732 translation = BIOS_ATA_TRANSLATION_NONE;
2733 else if (!strcmp(p, "lba"))
2734 translation = BIOS_ATA_TRANSLATION_LBA;
2735 else if (!strcmp(p, "auto"))
2736 translation = BIOS_ATA_TRANSLATION_AUTO;
2739 } else if (*p != '\0') {
2741 fprintf(stderr, "qemu: invalid physical CHS format\n");
2744 if (hda_opts != NULL) {
2746 snprintf(num, sizeof(num), "%d", cyls);
2747 qemu_opt_set(hda_opts, "cyls", num);
2748 snprintf(num, sizeof(num), "%d", heads);
2749 qemu_opt_set(hda_opts, "heads", num);
2750 snprintf(num, sizeof(num), "%d", secs);
2751 qemu_opt_set(hda_opts, "secs", num);
2752 if (translation == BIOS_ATA_TRANSLATION_LBA)
2753 qemu_opt_set(hda_opts, "trans", "lba");
2754 if (translation == BIOS_ATA_TRANSLATION_NONE)
2755 qemu_opt_set(hda_opts, "trans", "none");
2759 case QEMU_OPTION_numa:
2760 if (nb_numa_nodes >= MAX_NODES) {
2761 fprintf(stderr, "qemu: too many NUMA nodes\n");
2766 case QEMU_OPTION_display:
2767 display_type = select_display(optarg);
2769 case QEMU_OPTION_nographic:
2770 display_type = DT_NOGRAPHIC;
2772 case QEMU_OPTION_curses:
2773 #ifdef CONFIG_CURSES
2774 display_type = DT_CURSES;
2776 fprintf(stderr, "Curses support is disabled\n");
2780 case QEMU_OPTION_portrait:
2781 graphic_rotate = 90;
2783 case QEMU_OPTION_rotate:
2784 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2785 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2786 graphic_rotate != 180 && graphic_rotate != 270) {
2788 "qemu: only 90, 180, 270 deg rotation is available\n");
2792 case QEMU_OPTION_kernel:
2793 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2795 case QEMU_OPTION_initrd:
2796 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2798 case QEMU_OPTION_append:
2799 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2801 case QEMU_OPTION_dtb:
2802 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2804 case QEMU_OPTION_cdrom:
2805 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2807 case QEMU_OPTION_boot:
2809 static const char * const params[] = {
2810 "order", "once", "menu",
2811 "splash", "splash-time",
2812 "reboot-timeout", NULL
2814 char buf[sizeof(boot_devices)];
2815 char *standard_boot_devices;
2818 if (!strchr(optarg, '=')) {
2820 pstrcpy(buf, sizeof(buf), optarg);
2821 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2823 "qemu: unknown boot parameter '%s' in '%s'\n",
2829 get_param_value(buf, sizeof(buf), "order", optarg)) {
2830 validate_bootdevices(buf);
2831 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2834 if (get_param_value(buf, sizeof(buf),
2836 validate_bootdevices(buf);
2837 standard_boot_devices = g_strdup(boot_devices);
2838 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2839 qemu_register_reset(restore_boot_devices,
2840 standard_boot_devices);
2842 if (get_param_value(buf, sizeof(buf),
2844 if (!strcmp(buf, "on")) {
2846 } else if (!strcmp(buf, "off")) {
2850 "qemu: invalid option value '%s'\n",
2855 qemu_opts_parse(qemu_find_opts("boot-opts"),
2860 case QEMU_OPTION_fda:
2861 case QEMU_OPTION_fdb:
2862 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2865 case QEMU_OPTION_no_fd_bootchk:
2868 case QEMU_OPTION_netdev:
2869 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2873 case QEMU_OPTION_net:
2874 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2878 #ifdef CONFIG_LIBISCSI
2879 case QEMU_OPTION_iscsi:
2880 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2887 case QEMU_OPTION_tftp:
2888 legacy_tftp_prefix = optarg;
2890 case QEMU_OPTION_bootp:
2891 legacy_bootp_filename = optarg;
2893 case QEMU_OPTION_redir:
2894 if (net_slirp_redir(optarg) < 0)
2898 case QEMU_OPTION_bt:
2899 add_device_config(DEV_BT, optarg);
2901 case QEMU_OPTION_audio_help:
2902 if (!(audio_available())) {
2903 printf("Option %s not supported for this target\n", popt->name);
2909 case QEMU_OPTION_soundhw:
2910 if (!(audio_available())) {
2911 printf("Option %s not supported for this target\n", popt->name);
2914 select_soundhw (optarg);
2919 case QEMU_OPTION_version:
2923 case QEMU_OPTION_m: {
2928 value = strtosz(optarg, &end);
2929 if (value < 0 || *end) {
2930 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2933 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2935 if (ram_size != sz) {
2936 fprintf(stderr, "qemu: ram size too large\n");
2941 case QEMU_OPTION_mempath:
2945 case QEMU_OPTION_mem_prealloc:
2956 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2958 case QEMU_OPTION_gdb:
2959 add_device_config(DEV_GDB, optarg);
2964 case QEMU_OPTION_bios:
2967 case QEMU_OPTION_singlestep:
2974 keyboard_layout = optarg;
2976 case QEMU_OPTION_localtime:
2979 case QEMU_OPTION_vga:
2988 w = strtol(p, (char **)&p, 10);
2991 fprintf(stderr, "qemu: invalid resolution or depth\n");
2997 h = strtol(p, (char **)&p, 10);
3002 depth = strtol(p, (char **)&p, 10);
3003 if (depth != 8 && depth != 15 && depth != 16 &&
3004 depth != 24 && depth != 32)
3006 } else if (*p == '\0') {
3007 depth = graphic_depth;
3014 graphic_depth = depth;
3017 case QEMU_OPTION_echr:
3020 term_escape_char = strtol(optarg, &r, 0);
3022 printf("Bad argument to echr\n");
3025 case QEMU_OPTION_monitor:
3026 monitor_parse(optarg, "readline");
3027 default_monitor = 0;
3029 case QEMU_OPTION_qmp:
3030 monitor_parse(optarg, "control");
3031 default_monitor = 0;
3033 case QEMU_OPTION_mon:
3034 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3038 default_monitor = 0;
3040 case QEMU_OPTION_chardev:
3041 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3046 case QEMU_OPTION_fsdev:
3047 olist = qemu_find_opts("fsdev");
3049 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3052 opts = qemu_opts_parse(olist, optarg, 1);
3054 fprintf(stderr, "parse error: %s\n", optarg);
3058 case QEMU_OPTION_virtfs: {
3061 const char *writeout, *sock_fd, *socket;
3063 olist = qemu_find_opts("virtfs");
3065 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3068 opts = qemu_opts_parse(olist, optarg, 1);
3070 fprintf(stderr, "parse error: %s\n", optarg);
3074 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3075 qemu_opt_get(opts, "mount_tag") == NULL) {
3076 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3079 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3080 qemu_opt_get(opts, "mount_tag"),
3083 fprintf(stderr, "duplicate fsdev id: %s\n",
3084 qemu_opt_get(opts, "mount_tag"));
3088 writeout = qemu_opt_get(opts, "writeout");
3090 #ifdef CONFIG_SYNC_FILE_RANGE
3091 qemu_opt_set(fsdev, "writeout", writeout);
3093 fprintf(stderr, "writeout=immediate not supported on "
3098 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3099 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3100 qemu_opt_set(fsdev, "security_model",
3101 qemu_opt_get(opts, "security_model"));
3102 socket = qemu_opt_get(opts, "socket");
3104 qemu_opt_set(fsdev, "socket", socket);
3106 sock_fd = qemu_opt_get(opts, "sock_fd");
3108 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3111 qemu_opt_set_bool(fsdev, "readonly",
3112 qemu_opt_get_bool(opts, "readonly", 0));
3113 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3115 qemu_opt_set(device, "driver", "virtio-9p-pci");
3116 qemu_opt_set(device, "fsdev",
3117 qemu_opt_get(opts, "mount_tag"));
3118 qemu_opt_set(device, "mount_tag",
3119 qemu_opt_get(opts, "mount_tag"));
3122 case QEMU_OPTION_virtfs_synth: {
3126 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3129 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3132 qemu_opt_set(fsdev, "fsdriver", "synth");
3134 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3136 qemu_opt_set(device, "driver", "virtio-9p-pci");
3137 qemu_opt_set(device, "fsdev", "v_synth");
3138 qemu_opt_set(device, "mount_tag", "v_synth");
3141 case QEMU_OPTION_serial:
3142 add_device_config(DEV_SERIAL, optarg);
3144 if (strncmp(optarg, "mon:", 4) == 0) {
3145 default_monitor = 0;
3148 case QEMU_OPTION_watchdog:
3151 "qemu: only one watchdog option may be given\n");
3156 case QEMU_OPTION_watchdog_action:
3157 if (select_watchdog_action(optarg) == -1) {
3158 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3162 case QEMU_OPTION_virtiocon:
3163 add_device_config(DEV_VIRTCON, optarg);
3164 default_virtcon = 0;
3165 if (strncmp(optarg, "mon:", 4) == 0) {
3166 default_monitor = 0;
3169 case QEMU_OPTION_parallel:
3170 add_device_config(DEV_PARALLEL, optarg);
3171 default_parallel = 0;
3172 if (strncmp(optarg, "mon:", 4) == 0) {
3173 default_monitor = 0;
3176 case QEMU_OPTION_debugcon:
3177 add_device_config(DEV_DEBUGCON, optarg);
3179 case QEMU_OPTION_loadvm:
3182 case QEMU_OPTION_full_screen:
3186 case QEMU_OPTION_no_frame:
3189 case QEMU_OPTION_alt_grab:
3192 case QEMU_OPTION_ctrl_grab:
3195 case QEMU_OPTION_no_quit:
3198 case QEMU_OPTION_sdl:
3199 display_type = DT_SDL;
3202 case QEMU_OPTION_no_frame:
3203 case QEMU_OPTION_alt_grab:
3204 case QEMU_OPTION_ctrl_grab:
3205 case QEMU_OPTION_no_quit:
3206 case QEMU_OPTION_sdl:
3207 fprintf(stderr, "SDL support is disabled\n");
3210 case QEMU_OPTION_pidfile:
3213 case QEMU_OPTION_win2k_hack:
3214 win2k_install_hack = 1;
3216 case QEMU_OPTION_rtc_td_hack: {
3217 static GlobalProperty slew_lost_ticks[] = {
3219 .driver = "mc146818rtc",
3220 .property = "lost_tick_policy",
3223 { /* end of list */ }
3226 qdev_prop_register_global_list(slew_lost_ticks);
3229 case QEMU_OPTION_acpitable:
3230 do_acpitable_option(optarg);
3232 case QEMU_OPTION_smbios:
3233 do_smbios_option(optarg);
3235 case QEMU_OPTION_enable_kvm:
3236 olist = qemu_find_opts("machine");
3237 qemu_opts_parse(olist, "accel=kvm", 0);
3239 case QEMU_OPTION_machine:
3240 olist = qemu_find_opts("machine");
3241 opts = qemu_opts_parse(olist, optarg, 1);
3243 fprintf(stderr, "parse error: %s\n", optarg);
3246 optarg = qemu_opt_get(opts, "type");
3248 machine = machine_parse(optarg);
3251 case QEMU_OPTION_no_kvm:
3252 olist = qemu_find_opts("machine");
3253 qemu_opts_parse(olist, "accel=tcg", 0);
3255 case QEMU_OPTION_no_kvm_pit: {
3256 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3260 case QEMU_OPTION_no_kvm_pit_reinjection: {
3261 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3263 .driver = "kvm-pit",
3264 .property = "lost_tick_policy",
3267 { /* end of list */ }
3270 fprintf(stderr, "Warning: option deprecated, use "
3271 "lost_tick_policy property of kvm-pit instead.\n");
3272 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3275 case QEMU_OPTION_usb:
3276 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3278 qemu_opt_set_bool(machine_opts, "usb", true);
3281 case QEMU_OPTION_usbdevice:
3282 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3284 qemu_opt_set_bool(machine_opts, "usb", true);
3286 add_device_config(DEV_USB, optarg);
3288 case QEMU_OPTION_device:
3289 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3293 case QEMU_OPTION_smp:
3296 fprintf(stderr, "Invalid number of CPUs\n");
3299 if (max_cpus < smp_cpus) {
3300 fprintf(stderr, "maxcpus must be equal to or greater than "
3304 if (max_cpus > 255) {
3305 fprintf(stderr, "Unsupported number of maxcpus\n");
3309 case QEMU_OPTION_vnc:
3312 vnc_display = optarg;
3314 fprintf(stderr, "VNC support is disabled\n");
3318 case QEMU_OPTION_no_acpi:
3321 case QEMU_OPTION_no_hpet:
3324 case QEMU_OPTION_balloon:
3325 if (balloon_parse(optarg) < 0) {
3326 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3330 case QEMU_OPTION_no_reboot:
3333 case QEMU_OPTION_no_shutdown:
3336 case QEMU_OPTION_show_cursor:
3339 case QEMU_OPTION_uuid:
3340 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3341 fprintf(stderr, "Fail to parse UUID string."
3342 " Wrong format.\n");
3346 case QEMU_OPTION_option_rom:
3347 if (nb_option_roms >= MAX_OPTION_ROMS) {
3348 fprintf(stderr, "Too many option ROMs\n");
3351 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3352 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3353 option_rom[nb_option_roms].bootindex =
3354 qemu_opt_get_number(opts, "bootindex", -1);
3355 if (!option_rom[nb_option_roms].name) {
3356 fprintf(stderr, "Option ROM file is not specified\n");
3361 case QEMU_OPTION_semihosting:
3362 semihosting_enabled = 1;
3364 case QEMU_OPTION_tdf:
3365 fprintf(stderr, "Warning: user space PIT time drift fix "
3366 "is no longer supported.\n");
3368 case QEMU_OPTION_name:
3369 qemu_name = g_strdup(optarg);
3371 char *p = strchr(qemu_name, ',');
3374 if (strncmp(p, "process=", 8)) {
3375 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3379 os_set_proc_name(p);
3383 case QEMU_OPTION_prom_env:
3384 if (nb_prom_envs >= MAX_PROM_ENVS) {
3385 fprintf(stderr, "Too many prom variables\n");
3388 prom_envs[nb_prom_envs] = optarg;
3391 case QEMU_OPTION_old_param:
3394 case QEMU_OPTION_clock:
3395 configure_alarms(optarg);
3397 case QEMU_OPTION_startdate:
3398 configure_rtc_date_offset(optarg, 1);
3400 case QEMU_OPTION_rtc:
3401 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3405 configure_rtc(opts);
3407 case QEMU_OPTION_tb_size:
3408 tcg_tb_size = strtol(optarg, NULL, 0);
3409 if (tcg_tb_size < 0) {
3413 case QEMU_OPTION_icount:
3414 icount_option = optarg;
3416 case QEMU_OPTION_incoming:
3418 runstate_set(RUN_STATE_INMIGRATE);
3420 case QEMU_OPTION_nodefaults:
3422 default_parallel = 0;
3423 default_virtcon = 0;
3424 default_monitor = 0;
3431 case QEMU_OPTION_xen_domid:
3432 if (!(xen_available())) {
3433 printf("Option %s not supported for this target\n", popt->name);
3436 xen_domid = atoi(optarg);
3438 case QEMU_OPTION_xen_create:
3439 if (!(xen_available())) {
3440 printf("Option %s not supported for this target\n", popt->name);
3443 xen_mode = XEN_CREATE;
3445 case QEMU_OPTION_xen_attach:
3446 if (!(xen_available())) {
3447 printf("Option %s not supported for this target\n", popt->name);
3450 xen_mode = XEN_ATTACH;
3452 case QEMU_OPTION_trace:
3454 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3458 trace_events = qemu_opt_get(opts, "events");
3459 trace_file = qemu_opt_get(opts, "file");
3462 case QEMU_OPTION_readconfig:
3464 int ret = qemu_read_config_file(optarg);
3466 fprintf(stderr, "read config %s: %s\n", optarg,
3472 case QEMU_OPTION_spice:
3473 olist = qemu_find_opts("spice");
3475 fprintf(stderr, "spice is not supported by this qemu build.\n");
3478 opts = qemu_opts_parse(olist, optarg, 0);
3480 fprintf(stderr, "parse error: %s\n", optarg);
3484 case QEMU_OPTION_writeconfig:
3487 if (strcmp(optarg, "-") == 0) {
3490 fp = fopen(optarg, "w");
3492 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3496 qemu_config_write(fp);
3500 case QEMU_OPTION_qtest:
3501 qtest_chrdev = optarg;
3503 case QEMU_OPTION_qtest_log:
3506 case QEMU_OPTION_sandbox:
3507 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3512 case QEMU_OPTION_add_fd:
3514 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3519 error_report("File descriptor passing is disabled on this "
3524 case QEMU_OPTION_object:
3525 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3528 os_parse_cmd_args(popt->index, optarg);
3534 if (qemu_init_main_loop()) {
3535 fprintf(stderr, "qemu_init_main_loop failed\n");
3539 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3544 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3548 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3553 if (machine == NULL) {
3554 fprintf(stderr, "No machine found.\n");
3558 if (machine->hw_version) {
3559 qemu_set_version(machine->hw_version);
3562 if (qemu_opts_foreach(qemu_find_opts("object"),
3563 object_create, NULL, 0) != 0) {
3567 /* Init CPU def lists, based on config
3568 * - Must be called after all the qemu_read_config_file() calls
3569 * - Must be called before list_cpus()
3570 * - Must be called before machine->init()
3574 if (cpu_model && is_help_option(cpu_model)) {
3575 list_cpus(stdout, &fprintf, cpu_model);
3579 /* Open the logfile at this point, if necessary. We can't open the logfile
3580 * when encountering either of the logging options (-d or -D) because the
3581 * other one may be encountered later on the command line, changing the
3582 * location or level of logging.
3586 set_cpu_log_filename(log_file);
3588 set_cpu_log(log_mask);
3591 if (!trace_backend_init(trace_events, trace_file)) {
3595 /* If no data_dir is specified then try to find it relative to the
3598 data_dir = os_find_datadir(argv[0]);
3600 /* If all else fails use the install path specified when building. */
3602 data_dir = CONFIG_QEMU_DATADIR;
3606 * Default to max_cpus = smp_cpus, in case the user doesn't
3607 * specify a max_cpus value.
3610 max_cpus = smp_cpus;
3612 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3613 if (smp_cpus > machine->max_cpus) {
3614 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3615 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3621 * Get the default machine options from the machine if it is not already
3622 * specified either by the configuration file or by the command line.
3624 if (machine->default_machine_opts) {
3625 qemu_opts_set_defaults(qemu_find_opts("machine"),
3626 machine->default_machine_opts, 0);
3629 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3630 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3632 if (machine->no_serial) {
3635 if (machine->no_parallel) {
3636 default_parallel = 0;
3638 if (!machine->use_virtcon) {
3639 default_virtcon = 0;
3641 if (machine->no_floppy) {
3644 if (machine->no_cdrom) {
3647 if (machine->no_sdcard) {
3651 if (display_type == DT_NOGRAPHIC) {
3652 if (default_parallel)
3653 add_device_config(DEV_PARALLEL, "null");
3654 if (default_serial && default_monitor) {
3655 add_device_config(DEV_SERIAL, "mon:stdio");
3656 } else if (default_virtcon && default_monitor) {
3657 add_device_config(DEV_VIRTCON, "mon:stdio");
3660 add_device_config(DEV_SERIAL, "stdio");
3661 if (default_virtcon)
3662 add_device_config(DEV_VIRTCON, "stdio");
3663 if (default_monitor)
3664 monitor_parse("stdio", "readline");
3668 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3669 if (default_parallel)
3670 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3671 if (default_monitor)
3672 monitor_parse("vc:80Cx24C", "readline");
3673 if (default_virtcon)
3674 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3679 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3681 #ifdef CONFIG_VIRTFS
3682 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3689 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3694 /* init the memory */
3695 if (ram_size == 0) {
3696 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3699 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3704 configure_accelerator();
3706 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3708 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3709 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3710 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3712 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3715 if (!kernel_cmdline) {
3716 kernel_cmdline = "";
3719 linux_boot = (kernel_filename != NULL);
3721 if (!linux_boot && *kernel_cmdline != '\0') {
3722 fprintf(stderr, "-append only allowed with -kernel option\n");
3726 if (!linux_boot && initrd_filename != NULL) {
3727 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3731 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3732 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3736 os_set_line_buffering();
3738 qemu_init_cpu_loop();
3739 qemu_mutex_lock_iothread();
3742 /* spice needs the timers to be initialized by this point */
3746 if (icount_option && (kvm_enabled() || xen_enabled())) {
3747 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3750 configure_icount(icount_option);
3752 if (net_init_clients() < 0) {
3756 /* init the bluetooth world */
3757 if (foreach_device_config(DEV_BT, bt_parse))
3760 if (!xen_enabled()) {
3761 /* On 32-bit hosts, QEMU is limited by virtual address space */
3762 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3763 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3768 cpu_exec_init_all();
3770 bdrv_init_with_whitelist();
3774 /* open the virtual block devices */
3776 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3777 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3780 default_drive(default_cdrom, snapshot, machine->use_scsi,
3781 IF_DEFAULT, 2, CDROM_OPTS);
3782 default_drive(default_floppy, snapshot, machine->use_scsi,
3783 IF_FLOPPY, 0, FD_OPTS);
3784 default_drive(default_sdcard, snapshot, machine->use_scsi,
3787 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3789 if (nb_numa_nodes > 0) {
3792 if (nb_numa_nodes > MAX_NODES) {
3793 nb_numa_nodes = MAX_NODES;
3796 /* If no memory size if given for any node, assume the default case
3797 * and distribute the available memory equally across all nodes
3799 for (i = 0; i < nb_numa_nodes; i++) {
3800 if (node_mem[i] != 0)
3803 if (i == nb_numa_nodes) {
3804 uint64_t usedmem = 0;
3806 /* On Linux, the each node's border has to be 8MB aligned,
3807 * the final node gets the rest.
3809 for (i = 0; i < nb_numa_nodes - 1; i++) {
3810 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3811 usedmem += node_mem[i];
3813 node_mem[i] = ram_size - usedmem;
3816 for (i = 0; i < nb_numa_nodes; i++) {
3817 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3821 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3822 * must cope with this anyway, because there are BIOSes out there in
3823 * real machines which also use this scheme.
3825 if (i == nb_numa_nodes) {
3826 for (i = 0; i < max_cpus; i++) {
3827 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3832 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3836 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3838 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3840 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3842 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3845 /* If no default VGA is requested, the default is "none". */
3847 if (cirrus_vga_available()) {
3848 vga_model = "cirrus";
3849 } else if (vga_available()) {
3853 select_vgahw(vga_model);
3856 i = select_watchdog(watchdog);
3858 exit (i == 1 ? 1 : 0);
3861 if (machine->compat_props) {
3862 qdev_prop_register_global_list(machine->compat_props);
3866 qdev_machine_init();
3868 QEMUMachineInitArgs args = { .ram_size = ram_size,
3869 .boot_device = boot_devices,
3870 .kernel_filename = kernel_filename,
3871 .kernel_cmdline = kernel_cmdline,
3872 .initrd_filename = initrd_filename,
3873 .cpu_model = cpu_model };
3874 machine->init(&args);
3876 cpu_synchronize_all_post_init();
3880 current_machine = machine;
3882 /* init USB devices */
3883 if (usb_enabled(false)) {
3884 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3888 /* init generic devices */
3889 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3892 net_check_clients();
3894 /* just use the first displaystate for the moment */
3895 ds = get_displaystate();
3899 if (display_type == DT_DEFAULT && !display_remote) {
3900 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3901 display_type = DT_SDL;
3902 #elif defined(CONFIG_VNC)
3903 vnc_display = "localhost:0,to=99";
3906 display_type = DT_NONE;
3911 /* init local displays */
3912 switch (display_type) {
3915 #if defined(CONFIG_CURSES)
3917 if (!is_daemonized()) {
3918 curses_display_init(ds, full_screen);
3922 #if defined(CONFIG_SDL)
3924 sdl_display_init(ds, full_screen, no_frame);
3926 #elif defined(CONFIG_COCOA)
3928 cocoa_display_init(ds, full_screen);
3935 /* must be after terminal init, SDL library changes signal handlers */
3936 os_setup_signal_handling();
3939 /* init remote displays */
3941 Error *local_err = NULL;
3942 vnc_display_init(ds);
3943 vnc_display_open(ds, vnc_display, &local_err);
3944 if (local_err != NULL) {
3945 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3946 vnc_display, error_get_pretty(local_err));
3947 error_free(local_err);
3951 if (show_vnc_port) {
3952 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3957 if (using_spice && !qxl_enabled) {
3958 qemu_spice_display_init(ds);
3963 text_consoles_set_display(ds);
3965 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3969 qdev_machine_creation_done();
3971 if (rom_load_all() != 0) {
3972 fprintf(stderr, "rom loading failed\n");
3976 /* TODO: once all bus devices are qdevified, this should be done
3977 * when bus is created by qdev.c */
3978 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3979 qemu_run_machine_init_done_notifiers();
3981 qemu_system_reset(VMRESET_SILENT);
3983 if (load_vmstate(loadvm) < 0) {
3989 Error *local_err = NULL;
3990 qemu_start_incoming_migration(incoming, &local_err);
3992 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3993 error_free(local_err);
3996 } else if (autostart) {