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
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
30 #include "sysemu/seccomp.h"
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
38 #if defined(__APPLE__) || defined(main)
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
43 return qemu_main(argc, argv, NULL);
46 #define main qemu_main
48 #endif /* CONFIG_SDL */
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
134 const char* keyboard_layout = NULL;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
140 NICInfo nd_table[MAX_NICS];
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
160 int acpi_enabled = 1;
163 static int no_reboot;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 const char *qemu_name;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
182 int icount_align_option;
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 uint8_t qemu_uuid[16];
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198 enum xen_mode xen_mode = XEN_EMULATE;
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210 static int default_net = 1;
216 { .driver = "isa-serial", .flag = &default_serial },
217 { .driver = "isa-parallel", .flag = &default_parallel },
218 { .driver = "isa-fdc", .flag = &default_floppy },
219 { .driver = "ide-cd", .flag = &default_cdrom },
220 { .driver = "ide-hd", .flag = &default_cdrom },
221 { .driver = "ide-drive", .flag = &default_cdrom },
222 { .driver = "scsi-cd", .flag = &default_cdrom },
223 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
224 { .driver = "virtio-serial", .flag = &default_virtcon },
225 { .driver = "VGA", .flag = &default_vga },
226 { .driver = "isa-vga", .flag = &default_vga },
227 { .driver = "cirrus-vga", .flag = &default_vga },
228 { .driver = "isa-cirrus-vga", .flag = &default_vga },
229 { .driver = "vmware-svga", .flag = &default_vga },
230 { .driver = "qxl-vga", .flag = &default_vga },
231 { .driver = "virtio-vga", .flag = &default_vga },
234 static QemuOptsList qemu_rtc_opts = {
236 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .type = QEMU_OPT_STRING,
243 .type = QEMU_OPT_STRING,
246 .type = QEMU_OPT_STRING,
248 { /* end of list */ }
252 static QemuOptsList qemu_sandbox_opts = {
254 .implied_opt_name = "enable",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .type = QEMU_OPT_BOOL,
261 { /* end of list */ }
265 static QemuOptsList qemu_option_rom_opts = {
266 .name = "option-rom",
267 .implied_opt_name = "romfile",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .type = QEMU_OPT_NUMBER,
275 .type = QEMU_OPT_STRING,
277 { /* end of list */ }
281 static QemuOptsList qemu_machine_opts = {
283 .implied_opt_name = "type",
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
288 * no elements => accept any
289 * sanity checking will happen later
290 * when setting machine properties
296 static QemuOptsList qemu_boot_opts = {
298 .implied_opt_name = "order",
300 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
304 .type = QEMU_OPT_STRING,
307 .type = QEMU_OPT_STRING,
310 .type = QEMU_OPT_BOOL,
313 .type = QEMU_OPT_STRING,
315 .name = "splash-time",
316 .type = QEMU_OPT_STRING,
318 .name = "reboot-timeout",
319 .type = QEMU_OPT_STRING,
322 .type = QEMU_OPT_BOOL,
328 static QemuOptsList qemu_add_fd_opts = {
330 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
334 .type = QEMU_OPT_NUMBER,
335 .help = "file descriptor of which a duplicate is added to fd set",
338 .type = QEMU_OPT_NUMBER,
339 .help = "ID of the fd set to add fd to",
342 .type = QEMU_OPT_STRING,
343 .help = "free-form string used to describe fd",
345 { /* end of list */ }
349 static QemuOptsList qemu_object_opts = {
351 .implied_opt_name = "qom-type",
352 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
358 static QemuOptsList qemu_tpmdev_opts = {
360 .implied_opt_name = "type",
361 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
363 /* options are defined in the TPM backends */
364 { /* end of list */ }
368 static QemuOptsList qemu_realtime_opts = {
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
374 .type = QEMU_OPT_BOOL,
376 { /* end of list */ }
380 static QemuOptsList qemu_msg_opts = {
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
386 .type = QEMU_OPT_BOOL,
388 { /* end of list */ }
392 static QemuOptsList qemu_name_opts = {
394 .implied_opt_name = "guest",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
400 .type = QEMU_OPT_STRING,
401 .help = "Sets the name of the guest.\n"
402 "This name will be displayed in the SDL window caption.\n"
403 "The name will also be used for the VNC server",
406 .type = QEMU_OPT_STRING,
407 .help = "Sets the name of the QEMU process, as shown in top etc",
409 .name = "debug-threads",
410 .type = QEMU_OPT_BOOL,
411 .help = "When enabled, name the individual threads; defaults off.\n"
412 "NOTE: The thread names are for debugging and not a\n"
415 { /* End of list */ }
419 static QemuOptsList qemu_mem_opts = {
421 .implied_opt_name = "size",
422 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
427 .type = QEMU_OPT_SIZE,
431 .type = QEMU_OPT_NUMBER,
435 .type = QEMU_OPT_SIZE,
437 { /* end of list */ }
441 static QemuOptsList qemu_icount_opts = {
443 .implied_opt_name = "shift",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
449 .type = QEMU_OPT_STRING,
452 .type = QEMU_OPT_BOOL,
455 .type = QEMU_OPT_BOOL,
458 .type = QEMU_OPT_STRING,
461 .type = QEMU_OPT_STRING,
463 { /* end of list */ }
467 static QemuOptsList qemu_semihosting_config_opts = {
468 .name = "semihosting-config",
469 .implied_opt_name = "enable",
470 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
474 .type = QEMU_OPT_BOOL,
477 .type = QEMU_OPT_STRING,
480 .type = QEMU_OPT_STRING,
482 { /* end of list */ }
486 static QemuOptsList qemu_fw_cfg_opts = {
488 .implied_opt_name = "name",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
493 .type = QEMU_OPT_STRING,
494 .help = "Sets the fw_cfg name of the blob to be inserted",
497 .type = QEMU_OPT_STRING,
498 .help = "Sets the name of the file from which\n"
499 "the fw_cfg blob will be loaded",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets content of the blob to be inserted from a string",
505 { /* end of list */ }
510 * Get machine options
512 * Returns: machine options (never null).
514 QemuOpts *qemu_get_machine_opts(void)
516 return qemu_find_opts_singleton("machine");
519 const char *qemu_get_vm_name(void)
524 static void res_free(void)
526 g_free(boot_splash_filedata);
527 boot_splash_filedata = NULL;
530 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
532 const char *driver = qemu_opt_get(opts, "driver");
537 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
538 if (strcmp(default_list[i].driver, driver) != 0)
540 *(default_list[i].flag) = 0;
545 /***********************************************************/
548 static RunState current_run_state = RUN_STATE_PRELAUNCH;
550 /* We use RUN_STATE__MAX but any invalid value will do */
551 static RunState vmstop_requested = RUN_STATE__MAX;
552 static QemuMutex vmstop_lock;
557 } RunStateTransition;
559 static const RunStateTransition runstate_transitions_def[] = {
561 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
562 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
563 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
565 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
566 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
567 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
568 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
569 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
570 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
571 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
572 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
573 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
574 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
575 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
577 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
578 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
579 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
581 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
582 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
585 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
586 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
589 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
591 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
593 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
594 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
597 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
601 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
602 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
628 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
632 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
635 { RUN_STATE__MAX, RUN_STATE__MAX },
638 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
640 bool runstate_check(RunState state)
642 return current_run_state == state;
645 bool runstate_store(char *str, size_t size)
647 const char *state = RunState_lookup[current_run_state];
648 size_t len = strlen(state) + 1;
653 memcpy(str, state, len);
657 static void runstate_init(void)
659 const RunStateTransition *p;
661 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
662 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
663 runstate_valid_transitions[p->from][p->to] = true;
666 qemu_mutex_init(&vmstop_lock);
669 /* This function will abort() on invalid state transitions */
670 void runstate_set(RunState new_state)
672 assert(new_state < RUN_STATE__MAX);
674 if (current_run_state == new_state) {
678 if (!runstate_valid_transitions[current_run_state][new_state]) {
679 error_report("invalid runstate transition: '%s' -> '%s'",
680 RunState_lookup[current_run_state],
681 RunState_lookup[new_state]);
684 trace_runstate_set(new_state);
685 current_run_state = new_state;
688 int runstate_is_running(void)
690 return runstate_check(RUN_STATE_RUNNING);
693 bool runstate_needs_reset(void)
695 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
696 runstate_check(RUN_STATE_SHUTDOWN);
699 StatusInfo *qmp_query_status(Error **errp)
701 StatusInfo *info = g_malloc0(sizeof(*info));
703 info->running = runstate_is_running();
704 info->singlestep = singlestep;
705 info->status = current_run_state;
710 static bool qemu_vmstop_requested(RunState *r)
712 qemu_mutex_lock(&vmstop_lock);
713 *r = vmstop_requested;
714 vmstop_requested = RUN_STATE__MAX;
715 qemu_mutex_unlock(&vmstop_lock);
716 return *r < RUN_STATE__MAX;
719 void qemu_system_vmstop_request_prepare(void)
721 qemu_mutex_lock(&vmstop_lock);
724 void qemu_system_vmstop_request(RunState state)
726 vmstop_requested = state;
727 qemu_mutex_unlock(&vmstop_lock);
735 qemu_vmstop_requested(&requested);
736 if (runstate_is_running() && requested == RUN_STATE__MAX) {
740 /* Ensure that a STOP/RESUME pair of events is emitted if a
741 * vmstop request was pending. The BLOCK_IO_ERROR event, for
742 * example, according to documentation is always followed by
745 if (runstate_is_running()) {
746 qapi_event_send_stop(&error_abort);
749 runstate_set(RUN_STATE_RUNNING);
750 vm_state_notify(1, RUN_STATE_RUNNING);
754 qapi_event_send_resume(&error_abort);
758 /***********************************************************/
759 /* real time host monotonic timer */
761 static time_t qemu_time(void)
763 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
766 /***********************************************************/
767 /* host time/date access */
768 void qemu_get_timedate(struct tm *tm, int offset)
770 time_t ti = qemu_time();
773 if (rtc_date_offset == -1) {
777 localtime_r(&ti, tm);
779 ti -= rtc_date_offset;
784 int qemu_timedate_diff(struct tm *tm)
788 if (rtc_date_offset == -1)
790 seconds = mktimegm(tm);
793 tmp.tm_isdst = -1; /* use timezone to figure it out */
794 seconds = mktime(&tmp);
797 seconds = mktimegm(tm) + rtc_date_offset;
799 return seconds - qemu_time();
802 static void configure_rtc_date_offset(const char *startdate, int legacy)
804 time_t rtc_start_date;
807 if (!strcmp(startdate, "now") && legacy) {
808 rtc_date_offset = -1;
810 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
818 } else if (sscanf(startdate, "%d-%d-%d",
830 rtc_start_date = mktimegm(&tm);
831 if (rtc_start_date == -1) {
833 error_report("invalid date format");
834 error_printf("valid formats: "
835 "'2006-06-17T16:01:21' or '2006-06-17'\n");
838 rtc_date_offset = qemu_time() - rtc_start_date;
842 static void configure_rtc(QemuOpts *opts)
846 value = qemu_opt_get(opts, "base");
848 if (!strcmp(value, "utc")) {
850 } else if (!strcmp(value, "localtime")) {
851 Error *blocker = NULL;
853 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
854 "-rtc base=localtime");
855 replay_add_blocker(blocker);
857 configure_rtc_date_offset(value, 0);
860 value = qemu_opt_get(opts, "clock");
862 if (!strcmp(value, "host")) {
863 rtc_clock = QEMU_CLOCK_HOST;
864 } else if (!strcmp(value, "rt")) {
865 rtc_clock = QEMU_CLOCK_REALTIME;
866 } else if (!strcmp(value, "vm")) {
867 rtc_clock = QEMU_CLOCK_VIRTUAL;
869 error_report("invalid option value '%s'", value);
873 value = qemu_opt_get(opts, "driftfix");
875 if (!strcmp(value, "slew")) {
876 static GlobalProperty slew_lost_ticks = {
877 .driver = "mc146818rtc",
878 .property = "lost_tick_policy",
882 qdev_prop_register_global(&slew_lost_ticks);
883 } else if (!strcmp(value, "none")) {
884 /* discard is default */
886 error_report("invalid option value '%s'", value);
892 /***********************************************************/
893 /* Bluetooth support */
896 static struct HCIInfo *hci_table[MAX_NICS];
898 struct HCIInfo *qemu_next_hci(void)
900 if (cur_hci == nb_hcis)
903 return hci_table[cur_hci++];
906 static int bt_hci_parse(const char *str)
911 if (nb_hcis >= MAX_NICS) {
912 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
925 bdaddr.b[5] = 0x56 + nb_hcis;
926 hci->bdaddr_set(hci, bdaddr.b);
928 hci_table[nb_hcis++] = hci;
933 static void bt_vhci_add(int vlan_id)
935 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
938 error_report("warning: adding a VHCI to an empty scatternet %i",
941 bt_vhci_init(bt_new_hci(vlan));
944 static struct bt_device_s *bt_device_add(const char *opt)
946 struct bt_scatternet_s *vlan;
948 char *endp = strstr(opt, ",vlan=");
949 int len = (endp ? endp - opt : strlen(opt)) + 1;
952 pstrcpy(devname, MIN(sizeof(devname), len), opt);
955 vlan_id = strtol(endp + 6, &endp, 0);
957 error_report("unrecognised bluetooth vlan Id");
962 vlan = qemu_find_bt_vlan(vlan_id);
965 error_report("warning: adding a slave device to an empty scatternet %i",
968 if (!strcmp(devname, "keyboard"))
969 return bt_keyboard_init(vlan);
971 error_report("unsupported bluetooth device '%s'", devname);
975 static int bt_parse(const char *opt)
977 const char *endp, *p;
980 if (strstart(opt, "hci", &endp)) {
981 if (!*endp || *endp == ',') {
983 if (!strstart(endp, ",vlan=", 0))
986 return bt_hci_parse(opt);
988 } else if (strstart(opt, "vhci", &endp)) {
989 if (!*endp || *endp == ',') {
991 if (strstart(endp, ",vlan=", &p)) {
992 vlan = strtol(p, (char **) &endp, 0);
994 error_report("bad scatternet '%s'", p);
998 error_report("bad parameter '%s'", endp + 1);
1007 } else if (strstart(opt, "device:", &endp))
1008 return !bt_device_add(endp);
1010 error_report("bad bluetooth parameter '%s'", opt);
1014 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1016 /* FIXME: change this to true for 1.3 */
1017 if (qemu_opt_get_bool(opts, "enable", false)) {
1018 #ifdef CONFIG_SECCOMP
1019 if (seccomp_start() < 0) {
1020 error_report("failed to install seccomp syscall filter "
1025 error_report("seccomp support is disabled");
1033 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1035 const char *proc_name;
1037 if (qemu_opt_get(opts, "debug-threads")) {
1038 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1040 qemu_name = qemu_opt_get(opts, "guest");
1042 proc_name = qemu_opt_get(opts, "process");
1044 os_set_proc_name(proc_name);
1050 bool defaults_enabled(void)
1052 return has_defaults;
1056 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1058 int fd, dupfd, flags;
1060 const char *fd_opaque = NULL;
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1064 fdset_id = qemu_opt_get_number(opts, "set", -1);
1065 fd_opaque = qemu_opt_get(opts, "opaque");
1068 error_report("fd option is required and must be non-negative");
1072 if (fd <= STDERR_FILENO) {
1073 error_report("fd cannot be a standard I/O stream");
1078 * All fds inherited across exec() necessarily have FD_CLOEXEC
1079 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1081 flags = fcntl(fd, F_GETFD);
1082 if (flags == -1 || (flags & FD_CLOEXEC)) {
1083 error_report("fd is not valid or already in use");
1088 error_report("set option is required and must be non-negative");
1092 #ifdef F_DUPFD_CLOEXEC
1093 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1097 qemu_set_cloexec(dupfd);
1101 error_report("error duplicating fd: %s", strerror(errno));
1105 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1106 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1113 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1117 fd = qemu_opt_get_number(opts, "fd", -1);
1124 /***********************************************************/
1125 /* QEMU Block devices */
1127 #define HD_OPTS "media=disk"
1128 #define CDROM_OPTS "media=cdrom"
1130 #define PFLASH_OPTS ""
1134 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1136 BlockInterfaceType *block_default_type = opaque;
1138 return drive_new(opts, *block_default_type) == NULL;
1141 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1143 if (qemu_opt_get(opts, "snapshot") == NULL) {
1144 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1149 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1150 int index, const char *optstr)
1155 if (!enable || drive_get_by_index(type, index)) {
1159 opts = drive_add(type, index, NULL, optstr);
1161 drive_enable_snapshot(NULL, opts, NULL);
1164 dinfo = drive_new(opts, type);
1168 dinfo->is_default = true;
1172 static QemuOptsList qemu_smp_opts = {
1174 .implied_opt_name = "cpus",
1175 .merge_lists = true,
1176 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1180 .type = QEMU_OPT_NUMBER,
1183 .type = QEMU_OPT_NUMBER,
1186 .type = QEMU_OPT_NUMBER,
1189 .type = QEMU_OPT_NUMBER,
1192 .type = QEMU_OPT_NUMBER,
1194 { /*End of list */ }
1198 static void smp_parse(QemuOpts *opts)
1201 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1202 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1203 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1204 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1206 /* compute missing values, prefer sockets over cores over threads */
1207 if (cpus == 0 || sockets == 0) {
1208 sockets = sockets > 0 ? sockets : 1;
1209 cores = cores > 0 ? cores : 1;
1210 threads = threads > 0 ? threads : 1;
1212 cpus = cores * threads * sockets;
1214 } else if (cores == 0) {
1215 threads = threads > 0 ? threads : 1;
1216 cores = cpus / (sockets * threads);
1217 cores = cores > 0 ? cores : 1;
1218 } else if (threads == 0) {
1219 threads = cpus / (cores * sockets);
1220 threads = threads > 0 ? threads : 1;
1221 } else if (sockets * cores * threads < cpus) {
1222 error_report("cpu topology: "
1223 "sockets (%u) * cores (%u) * threads (%u) < "
1225 sockets, cores, threads, cpus);
1229 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1231 if (max_cpus > MAX_CPUMASK_BITS) {
1232 error_report("unsupported number of maxcpus");
1236 if (max_cpus < cpus) {
1237 error_report("maxcpus must be equal to or greater than smp");
1241 if (sockets * cores * threads > max_cpus) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) > "
1245 sockets, cores, threads, max_cpus);
1251 smp_threads = threads;
1255 Error *blocker = NULL;
1256 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1257 replay_add_blocker(blocker);
1261 static void realtime_init(void)
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1272 static void configure_msg(QemuOpts *opts)
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1277 /***********************************************************/
1280 typedef struct SemihostingConfig {
1282 SemihostingTarget target;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1288 static SemihostingConfig semihosting;
1290 bool semihosting_enabled(void)
1292 return semihosting.enabled;
1295 SemihostingTarget semihosting_get_target(void)
1297 return semihosting.target;
1300 const char *semihosting_get_arg(int i)
1302 if (i >= semihosting.argc) {
1305 return semihosting.argv[i];
1308 int semihosting_get_argc(void)
1310 return semihosting.argc;
1313 const char *semihosting_get_cmdline(void)
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1318 return semihosting.cmdline;
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1359 /***********************************************************/
1362 static int usb_device_add(const char *devname)
1364 USBDevice *dev = NULL;
1365 #ifndef CONFIG_LINUX
1369 if (!machine_usb(current_machine)) {
1373 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1374 dev = usbdevice_create(devname);
1378 /* the other ones */
1379 #ifndef CONFIG_LINUX
1380 /* only the linux version is qdev-ified, usb-bsd still needs this */
1381 if (strstart(devname, "host:", &p)) {
1382 dev = usb_host_device_open(usb_bus_find(-1), p);
1392 static int usb_device_del(const char *devname)
1397 if (strstart(devname, "host:", &p)) {
1401 if (!machine_usb(current_machine)) {
1405 p = strchr(devname, '.');
1408 bus_num = strtoul(devname, NULL, 0);
1409 addr = strtoul(p + 1, NULL, 0);
1411 return usb_device_delete_addr(bus_num, addr);
1414 static int usb_parse(const char *cmdline)
1417 r = usb_device_add(cmdline);
1419 error_report("could not add USB device '%s'", cmdline);
1424 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1426 const char *devname = qdict_get_str(qdict, "devname");
1427 if (usb_device_add(devname) < 0) {
1428 error_report("could not add USB device '%s'", devname);
1432 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1434 const char *devname = qdict_get_str(qdict, "devname");
1435 if (usb_device_del(devname) < 0) {
1436 error_report("could not delete USB device '%s'", devname);
1440 /***********************************************************/
1441 /* machine registration */
1443 MachineState *current_machine;
1445 static MachineClass *find_machine(const char *name)
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1453 if (!strcmp(temp->name, name)) {
1458 !strcmp(temp->alias, name)) {
1464 g_slist_free(machines);
1468 MachineClass *find_default_machine(void)
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1476 if (temp->is_default) {
1482 g_slist_free(machines);
1486 MachineInfoList *qmp_query_machines(Error **errp)
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineInfoList *mach_list = NULL;
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *mc = el->data;
1493 MachineInfoList *entry;
1496 info = g_malloc0(sizeof(*info));
1497 if (mc->is_default) {
1498 info->has_is_default = true;
1499 info->is_default = true;
1503 info->has_alias = true;
1504 info->alias = g_strdup(mc->alias);
1507 info->name = g_strdup(mc->name);
1508 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1509 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1511 entry = g_malloc0(sizeof(*entry));
1512 entry->value = info;
1513 entry->next = mach_list;
1517 g_slist_free(machines);
1521 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1523 ObjectProperty *prop;
1524 ObjectPropertyIterator iter;
1526 if (!qemu_opt_has_help_opt(opts)) {
1530 object_property_iter_init(&iter, OBJECT(machine));
1531 while ((prop = object_property_iter_next(&iter))) {
1536 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1537 prop->name, prop->type);
1538 if (prop->description) {
1539 error_printf(" (%s)\n", prop->description);
1548 /***********************************************************/
1549 /* main execution loop */
1551 struct vm_change_state_entry {
1552 VMChangeStateHandler *cb;
1554 QLIST_ENTRY (vm_change_state_entry) entries;
1557 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1559 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1562 VMChangeStateEntry *e;
1564 e = g_malloc0(sizeof (*e));
1568 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1572 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1574 QLIST_REMOVE (e, entries);
1578 void vm_state_notify(int running, RunState state)
1580 VMChangeStateEntry *e, *next;
1582 trace_vm_state_notify(running, state);
1584 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1585 e->cb(e->opaque, running, state);
1589 /* reset/shutdown handler */
1591 typedef struct QEMUResetEntry {
1592 QTAILQ_ENTRY(QEMUResetEntry) entry;
1593 QEMUResetHandler *func;
1597 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1598 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1599 static int reset_requested;
1600 static int shutdown_requested, shutdown_signal = -1;
1601 static pid_t shutdown_pid;
1602 static int powerdown_requested;
1603 static int debug_requested;
1604 static int suspend_requested;
1605 static WakeupReason wakeup_reason;
1606 static NotifierList powerdown_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1608 static NotifierList suspend_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1610 static NotifierList wakeup_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1612 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1614 int qemu_shutdown_requested_get(void)
1616 return shutdown_requested;
1619 int qemu_reset_requested_get(void)
1621 return reset_requested;
1624 static int qemu_shutdown_requested(void)
1626 return atomic_xchg(&shutdown_requested, 0);
1629 static void qemu_kill_report(void)
1631 if (!qtest_driver() && shutdown_signal != -1) {
1632 if (shutdown_pid == 0) {
1633 /* This happens for eg ^C at the terminal, so it's worth
1634 * avoiding printing an odd message in that case.
1636 error_report("terminating on signal %d", shutdown_signal);
1638 error_report("terminating on signal %d from pid " FMT_pid,
1639 shutdown_signal, shutdown_pid);
1641 shutdown_signal = -1;
1645 static int qemu_reset_requested(void)
1647 int r = reset_requested;
1648 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1649 reset_requested = 0;
1655 static int qemu_suspend_requested(void)
1657 int r = suspend_requested;
1658 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1659 suspend_requested = 0;
1665 static WakeupReason qemu_wakeup_requested(void)
1667 return wakeup_reason;
1670 static int qemu_powerdown_requested(void)
1672 int r = powerdown_requested;
1673 powerdown_requested = 0;
1677 static int qemu_debug_requested(void)
1679 int r = debug_requested;
1680 debug_requested = 0;
1684 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1686 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1689 re->opaque = opaque;
1690 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1693 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1697 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1698 if (re->func == func && re->opaque == opaque) {
1699 QTAILQ_REMOVE(&reset_handlers, re, entry);
1706 void qemu_devices_reset(void)
1708 QEMUResetEntry *re, *nre;
1710 /* reset all devices */
1711 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1712 re->func(re->opaque);
1716 void qemu_system_reset(bool report)
1720 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1722 cpu_synchronize_all_states();
1724 if (mc && mc->reset) {
1727 qemu_devices_reset();
1730 qapi_event_send_reset(&error_abort);
1732 cpu_synchronize_all_post_reset();
1735 void qemu_system_guest_panicked(void)
1738 current_cpu->crash_occurred = true;
1740 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1741 vm_stop(RUN_STATE_GUEST_PANICKED);
1744 void qemu_system_reset_request(void)
1747 shutdown_requested = 1;
1749 reset_requested = 1;
1752 qemu_notify_event();
1755 static void qemu_system_suspend(void)
1758 notifier_list_notify(&suspend_notifiers, NULL);
1759 runstate_set(RUN_STATE_SUSPENDED);
1760 qapi_event_send_suspend(&error_abort);
1763 void qemu_system_suspend_request(void)
1765 if (runstate_check(RUN_STATE_SUSPENDED)) {
1768 suspend_requested = 1;
1770 qemu_notify_event();
1773 void qemu_register_suspend_notifier(Notifier *notifier)
1775 notifier_list_add(&suspend_notifiers, notifier);
1778 void qemu_system_wakeup_request(WakeupReason reason)
1780 trace_system_wakeup_request(reason);
1782 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1785 if (!(wakeup_reason_mask & (1 << reason))) {
1788 runstate_set(RUN_STATE_RUNNING);
1789 wakeup_reason = reason;
1790 qemu_notify_event();
1793 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1796 wakeup_reason_mask |= (1 << reason);
1798 wakeup_reason_mask &= ~(1 << reason);
1802 void qemu_register_wakeup_notifier(Notifier *notifier)
1804 notifier_list_add(&wakeup_notifiers, notifier);
1807 void qemu_system_killed(int signal, pid_t pid)
1809 shutdown_signal = signal;
1813 /* Cannot call qemu_system_shutdown_request directly because
1814 * we are in a signal handler.
1816 shutdown_requested = 1;
1817 qemu_notify_event();
1820 void qemu_system_shutdown_request(void)
1822 trace_qemu_system_shutdown_request();
1823 replay_shutdown_request();
1824 shutdown_requested = 1;
1825 qemu_notify_event();
1828 static void qemu_system_powerdown(void)
1830 qapi_event_send_powerdown(&error_abort);
1831 notifier_list_notify(&powerdown_notifiers, NULL);
1834 void qemu_system_powerdown_request(void)
1836 trace_qemu_system_powerdown_request();
1837 powerdown_requested = 1;
1838 qemu_notify_event();
1841 void qemu_register_powerdown_notifier(Notifier *notifier)
1843 notifier_list_add(&powerdown_notifiers, notifier);
1846 void qemu_system_debug_request(void)
1848 debug_requested = 1;
1849 qemu_notify_event();
1852 static bool main_loop_should_exit(void)
1855 if (qemu_debug_requested()) {
1856 vm_stop(RUN_STATE_DEBUG);
1858 if (qemu_suspend_requested()) {
1859 qemu_system_suspend();
1861 if (qemu_shutdown_requested()) {
1863 qapi_event_send_shutdown(&error_abort);
1865 vm_stop(RUN_STATE_SHUTDOWN);
1870 if (qemu_reset_requested()) {
1872 qemu_system_reset(VMRESET_REPORT);
1874 if (!runstate_check(RUN_STATE_RUNNING) &&
1875 !runstate_check(RUN_STATE_INMIGRATE)) {
1876 runstate_set(RUN_STATE_PRELAUNCH);
1879 if (qemu_wakeup_requested()) {
1881 qemu_system_reset(VMRESET_SILENT);
1882 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1883 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1885 qapi_event_send_wakeup(&error_abort);
1887 if (qemu_powerdown_requested()) {
1888 qemu_system_powerdown();
1890 if (qemu_vmstop_requested(&r)) {
1896 static void main_loop(void)
1900 #ifdef CONFIG_PROFILER
1904 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1905 #ifdef CONFIG_PROFILER
1906 ti = profile_getclock();
1908 last_io = main_loop_wait(nonblocking);
1909 #ifdef CONFIG_PROFILER
1910 dev_time += profile_getclock() - ti;
1912 } while (!main_loop_should_exit());
1915 static void version(void)
1917 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1920 static void help(int exitcode)
1923 printf("usage: %s [options] [disk_image]\n\n"
1924 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1925 error_get_progname());
1927 #define QEMU_OPTIONS_GENERATE_HELP
1928 #include "qemu-options-wrapper.h"
1930 printf("\nDuring emulation, the following keys are useful:\n"
1931 "ctrl-alt-f toggle full screen\n"
1932 "ctrl-alt-n switch to virtual console 'n'\n"
1933 "ctrl-alt toggle mouse and keyboard grab\n"
1935 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1940 #define HAS_ARG 0x0001
1942 typedef struct QEMUOption {
1949 static const QEMUOption qemu_options[] = {
1950 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1951 #define QEMU_OPTIONS_GENERATE_OPTIONS
1952 #include "qemu-options-wrapper.h"
1956 typedef struct VGAInterfaceInfo {
1957 const char *opt_name; /* option name */
1958 const char *name; /* human-readable name */
1959 /* Class names indicating that support is available.
1960 * If no class is specified, the interface is always available */
1961 const char *class_names[2];
1964 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1970 .name = "standard VGA",
1971 .class_names = { "VGA", "isa-vga" },
1974 .opt_name = "cirrus",
1975 .name = "Cirrus VGA",
1976 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1979 .opt_name = "vmware",
1980 .name = "VMWare SVGA",
1981 .class_names = { "vmware-svga" },
1984 .opt_name = "virtio",
1985 .name = "Virtio VGA",
1986 .class_names = { "virtio-vga" },
1991 .class_names = { "qxl-vga" },
1995 .name = "TCX framebuffer",
1996 .class_names = { "SUNW,tcx" },
2000 .name = "CG3 framebuffer",
2001 .class_names = { "cgthree" },
2004 .opt_name = "xenfb",
2008 static bool vga_interface_available(VGAInterfaceType t)
2010 VGAInterfaceInfo *ti = &vga_interfaces[t];
2012 assert(t < VGA_TYPE_MAX);
2013 return !ti->class_names[0] ||
2014 object_class_by_name(ti->class_names[0]) ||
2015 object_class_by_name(ti->class_names[1]);
2018 static void select_vgahw(const char *p)
2023 assert(vga_interface_type == VGA_NONE);
2024 for (t = 0; t < VGA_TYPE_MAX; t++) {
2025 VGAInterfaceInfo *ti = &vga_interfaces[t];
2026 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2027 if (!vga_interface_available(t)) {
2028 error_report("%s not available", ti->name);
2031 vga_interface_type = t;
2035 if (t == VGA_TYPE_MAX) {
2037 error_report("unknown vga type: %s", p);
2041 const char *nextopt;
2043 if (strstart(opts, ",retrace=", &nextopt)) {
2045 if (strstart(opts, "dumb", &nextopt))
2046 vga_retrace_method = VGA_RETRACE_DUMB;
2047 else if (strstart(opts, "precise", &nextopt))
2048 vga_retrace_method = VGA_RETRACE_PRECISE;
2049 else goto invalid_vga;
2050 } else goto invalid_vga;
2055 typedef enum DisplayType {
2064 static DisplayType select_display(const char *p)
2067 DisplayType display = DT_DEFAULT;
2069 if (strstart(p, "sdl", &opts)) {
2073 const char *nextopt;
2075 if (strstart(opts, ",frame=", &nextopt)) {
2077 if (strstart(opts, "on", &nextopt)) {
2079 } else if (strstart(opts, "off", &nextopt)) {
2082 goto invalid_sdl_args;
2084 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2086 if (strstart(opts, "on", &nextopt)) {
2088 } else if (strstart(opts, "off", &nextopt)) {
2091 goto invalid_sdl_args;
2093 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2095 if (strstart(opts, "on", &nextopt)) {
2097 } else if (strstart(opts, "off", &nextopt)) {
2100 goto invalid_sdl_args;
2102 } else if (strstart(opts, ",window_close=", &nextopt)) {
2104 if (strstart(opts, "on", &nextopt)) {
2106 } else if (strstart(opts, "off", &nextopt)) {
2109 goto invalid_sdl_args;
2111 } else if (strstart(opts, ",gl=", &nextopt)) {
2113 if (strstart(opts, "on", &nextopt)) {
2115 } else if (strstart(opts, "off", &nextopt)) {
2118 goto invalid_sdl_args;
2122 error_report("invalid SDL option string");
2128 error_report("SDL support is disabled");
2131 } else if (strstart(p, "vnc", &opts)) {
2133 vnc_parse(opts + 1, &error_fatal);
2135 error_report("VNC requires a display argument vnc=<display>");
2138 } else if (strstart(p, "curses", &opts)) {
2139 #ifdef CONFIG_CURSES
2140 display = DT_CURSES;
2142 error_report("curses support is disabled");
2145 } else if (strstart(p, "gtk", &opts)) {
2149 const char *nextopt;
2151 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2153 if (strstart(opts, "on", &nextopt)) {
2154 grab_on_hover = true;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 grab_on_hover = false;
2158 goto invalid_gtk_args;
2160 } else if (strstart(opts, ",gl=", &nextopt)) {
2162 if (strstart(opts, "on", &nextopt)) {
2164 } else if (strstart(opts, "off", &nextopt)) {
2167 goto invalid_gtk_args;
2171 error_report("invalid GTK option string");
2177 error_report("GTK support is disabled");
2180 } else if (strstart(p, "none", &opts)) {
2183 error_report("unknown display type");
2190 static int balloon_parse(const char *arg)
2194 if (strcmp(arg, "none") == 0) {
2198 if (!strncmp(arg, "virtio", 6)) {
2199 if (arg[6] == ',') {
2200 /* have params -> parse them */
2201 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2206 /* create empty opts */
2207 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2210 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2217 char *qemu_find_file(int type, const char *name)
2223 /* Try the name as a straight path first */
2224 if (access(name, R_OK) == 0) {
2225 trace_load_file(name, name);
2226 return g_strdup(name);
2230 case QEMU_FILE_TYPE_BIOS:
2233 case QEMU_FILE_TYPE_KEYMAP:
2234 subdir = "keymaps/";
2240 for (i = 0; i < data_dir_idx; i++) {
2241 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2242 if (access(buf, R_OK) == 0) {
2243 trace_load_file(name, buf);
2251 static inline bool nonempty_str(const char *str)
2256 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2260 const char *name, *file, *str;
2261 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2263 if (fw_cfg == NULL) {
2264 error_report("fw_cfg device not available");
2267 name = qemu_opt_get(opts, "name");
2268 file = qemu_opt_get(opts, "file");
2269 str = qemu_opt_get(opts, "string");
2271 /* we need name and either a file or the content string */
2272 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2273 error_report("invalid argument(s)");
2276 if (nonempty_str(file) && nonempty_str(str)) {
2277 error_report("file and string are mutually exclusive");
2280 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2281 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2284 if (strncmp(name, "opt/", 4) != 0) {
2285 error_report("warning: externally provided fw_cfg item names "
2286 "should be prefixed with \"opt/\"");
2288 if (nonempty_str(str)) {
2289 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2290 buf = g_memdup(str, size);
2292 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2293 error_report("can't load %s", file);
2297 /* For legacy, keep user files in a specific global order. */
2298 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2299 fw_cfg_add_file(fw_cfg, name, buf, size);
2300 fw_cfg_reset_order_override(fw_cfg);
2304 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2306 return qdev_device_help(opts);
2309 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2314 dev = qdev_device_add(opts, &err);
2316 error_report_err(err);
2319 object_unref(OBJECT(dev));
2323 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2325 Error *local_err = NULL;
2327 qemu_chr_new_from_opts(opts, NULL, &local_err);
2329 error_report_err(local_err);
2335 #ifdef CONFIG_VIRTFS
2336 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338 return qemu_fsdev_add(opts);
2342 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2344 CharDriverState *chr;
2345 const char *chardev;
2349 mode = qemu_opt_get(opts, "mode");
2353 if (strcmp(mode, "readline") == 0) {
2354 flags = MONITOR_USE_READLINE;
2355 } else if (strcmp(mode, "control") == 0) {
2356 flags = MONITOR_USE_CONTROL;
2358 error_report("unknown monitor mode \"%s\"", mode);
2362 if (qemu_opt_get_bool(opts, "pretty", 0))
2363 flags |= MONITOR_USE_PRETTY;
2365 if (qemu_opt_get_bool(opts, "default", 0))
2366 flags |= MONITOR_IS_DEFAULT;
2368 chardev = qemu_opt_get(opts, "chardev");
2369 chr = qemu_chr_find(chardev);
2371 error_report("chardev \"%s\" not found", chardev);
2375 qemu_chr_fe_claim_no_fail(chr);
2376 monitor_init(chr, flags);
2380 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2382 static int monitor_device_index = 0;
2388 if (strstart(optarg, "chardev:", &p)) {
2389 snprintf(label, sizeof(label), "%s", p);
2391 snprintf(label, sizeof(label), "compat_monitor%d",
2392 monitor_device_index);
2393 if (monitor_device_index == 0) {
2396 opts = qemu_chr_parse_compat(label, optarg);
2398 error_report("parse error: %s", optarg);
2403 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2404 qemu_opt_set(opts, "mode", mode, &error_abort);
2405 qemu_opt_set(opts, "chardev", label, &error_abort);
2406 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2408 qemu_opt_set(opts, "default", "on", &error_abort);
2409 monitor_device_index++;
2412 struct device_config {
2414 DEV_USB, /* -usbdevice */
2416 DEV_SERIAL, /* -serial */
2417 DEV_PARALLEL, /* -parallel */
2418 DEV_VIRTCON, /* -virtioconsole */
2419 DEV_DEBUGCON, /* -debugcon */
2420 DEV_GDB, /* -gdb, -s */
2421 DEV_SCLP, /* s390 sclp */
2423 const char *cmdline;
2425 QTAILQ_ENTRY(device_config) next;
2428 static QTAILQ_HEAD(, device_config) device_configs =
2429 QTAILQ_HEAD_INITIALIZER(device_configs);
2431 static void add_device_config(int type, const char *cmdline)
2433 struct device_config *conf;
2435 conf = g_malloc0(sizeof(*conf));
2437 conf->cmdline = cmdline;
2438 loc_save(&conf->loc);
2439 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2442 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2444 struct device_config *conf;
2447 QTAILQ_FOREACH(conf, &device_configs, next) {
2448 if (conf->type != type)
2450 loc_push_restore(&conf->loc);
2451 rc = func(conf->cmdline);
2452 loc_pop(&conf->loc);
2460 static int serial_parse(const char *devname)
2462 static int index = 0;
2465 if (strcmp(devname, "none") == 0)
2467 if (index == MAX_SERIAL_PORTS) {
2468 error_report("too many serial ports");
2471 snprintf(label, sizeof(label), "serial%d", index);
2472 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!serial_hds[index]) {
2474 error_report("could not connect serial device"
2475 " to character backend '%s'", devname);
2482 static int parallel_parse(const char *devname)
2484 static int index = 0;
2487 if (strcmp(devname, "none") == 0)
2489 if (index == MAX_PARALLEL_PORTS) {
2490 error_report("too many parallel ports");
2493 snprintf(label, sizeof(label), "parallel%d", index);
2494 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2495 if (!parallel_hds[index]) {
2496 error_report("could not connect parallel device"
2497 " to character backend '%s'", devname);
2504 static int virtcon_parse(const char *devname)
2506 QemuOptsList *device = qemu_find_opts("device");
2507 static int index = 0;
2509 QemuOpts *bus_opts, *dev_opts;
2511 if (strcmp(devname, "none") == 0)
2513 if (index == MAX_VIRTIO_CONSOLES) {
2514 error_report("too many virtio consoles");
2518 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2519 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2521 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2522 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2524 snprintf(label, sizeof(label), "virtcon%d", index);
2525 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2526 if (!virtcon_hds[index]) {
2527 error_report("could not connect virtio console"
2528 " to character backend '%s'", devname);
2531 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2537 static int sclp_parse(const char *devname)
2539 QemuOptsList *device = qemu_find_opts("device");
2540 static int index = 0;
2544 if (strcmp(devname, "none") == 0) {
2547 if (index == MAX_SCLP_CONSOLES) {
2548 error_report("too many sclp consoles");
2552 assert(arch_type == QEMU_ARCH_S390X);
2554 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2555 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2557 snprintf(label, sizeof(label), "sclpcon%d", index);
2558 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2559 if (!sclp_hds[index]) {
2560 error_report("could not connect sclp console"
2561 " to character backend '%s'", devname);
2564 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2570 static int debugcon_parse(const char *devname)
2574 if (!qemu_chr_new("debugcon", devname, NULL)) {
2577 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2579 error_report("already have a debugcon device");
2582 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2583 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2587 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2589 const MachineClass *mc1 = a, *mc2 = b;
2592 if (mc1->family == NULL) {
2593 if (mc2->family == NULL) {
2594 /* Compare standalone machine types against each other; they sort
2595 * in increasing order.
2597 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2598 object_class_get_name(OBJECT_CLASS(mc2)));
2601 /* Standalone machine types sort after families. */
2605 if (mc2->family == NULL) {
2606 /* Families sort before standalone machine types. */
2610 /* Families sort between each other alphabetically increasingly. */
2611 res = strcmp(mc1->family, mc2->family);
2616 /* Within the same family, machine types sort in decreasing order. */
2617 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2618 object_class_get_name(OBJECT_CLASS(mc1)));
2621 static MachineClass *machine_parse(const char *name)
2623 MachineClass *mc = NULL;
2624 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2627 mc = find_machine(name);
2630 g_slist_free(machines);
2633 if (name && !is_help_option(name)) {
2634 error_report("unsupported machine type");
2635 error_printf("Use -machine help to list supported machines\n");
2637 printf("Supported machines are:\n");
2638 machines = g_slist_sort(machines, machine_class_cmp);
2639 for (el = machines; el; el = el->next) {
2640 MachineClass *mc = el->data;
2642 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2644 printf("%-20s %s%s\n", mc->name, mc->desc,
2645 mc->is_default ? " (default)" : "");
2649 g_slist_free(machines);
2650 exit(!name || !is_help_option(name));
2653 void qemu_add_exit_notifier(Notifier *notify)
2655 notifier_list_add(&exit_notifiers, notify);
2658 void qemu_remove_exit_notifier(Notifier *notify)
2660 notifier_remove(notify);
2663 static void qemu_run_exit_notifiers(void)
2665 notifier_list_notify(&exit_notifiers, NULL);
2668 static bool machine_init_done;
2670 void qemu_add_machine_init_done_notifier(Notifier *notify)
2672 notifier_list_add(&machine_init_done_notifiers, notify);
2673 if (machine_init_done) {
2674 notify->notify(notify, NULL);
2678 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2680 notifier_remove(notify);
2683 static void qemu_run_machine_init_done_notifiers(void)
2685 notifier_list_notify(&machine_init_done_notifiers, NULL);
2686 machine_init_done = true;
2689 static const QEMUOption *lookup_opt(int argc, char **argv,
2690 const char **poptarg, int *poptind)
2692 const QEMUOption *popt;
2693 int optind = *poptind;
2694 char *r = argv[optind];
2697 loc_set_cmdline(argv, optind, 1);
2699 /* Treat --foo the same as -foo. */
2702 popt = qemu_options;
2705 error_report("invalid option");
2708 if (!strcmp(popt->name, r + 1))
2712 if (popt->flags & HAS_ARG) {
2713 if (optind >= argc) {
2714 error_report("requires an argument");
2717 optarg = argv[optind++];
2718 loc_set_cmdline(argv, optind - 2, 2);
2729 static MachineClass *select_machine(void)
2731 MachineClass *machine_class = find_default_machine();
2736 loc_push_none(&loc);
2738 opts = qemu_get_machine_opts();
2739 qemu_opts_loc_restore(opts);
2741 optarg = qemu_opt_get(opts, "type");
2743 machine_class = machine_parse(optarg);
2746 if (!machine_class) {
2747 error_report("No machine specified, and there is no default");
2748 error_printf("Use -machine help to list supported machines\n");
2753 return machine_class;
2756 static int machine_set_property(void *opaque,
2757 const char *name, const char *value,
2760 Object *obj = OBJECT(opaque);
2761 Error *local_err = NULL;
2764 if (strcmp(name, "type") == 0) {
2768 qom_name = g_strdup(name);
2776 object_property_parse(obj, value, qom_name, &local_err);
2780 error_report_err(local_err);
2789 * Initial object creation happens before all other
2790 * QEMU data types are created. The majority of objects
2791 * can be created at this point. The rng-egd object
2792 * cannot be created here, as it depends on the chardev
2795 static bool object_create_initial(const char *type)
2797 if (g_str_equal(type, "rng-egd")) {
2802 * return false for concrete netfilters since
2803 * they depend on netdevs already existing
2805 if (g_str_equal(type, "filter-buffer") ||
2806 g_str_equal(type, "filter-dump") ||
2807 g_str_equal(type, "filter-mirror") ||
2808 g_str_equal(type, "filter-redirector")) {
2817 * The remainder of object creation happens after the
2818 * creation of chardev, fsdev, net clients and device data types.
2820 static bool object_create_delayed(const char *type)
2822 return !object_create_initial(type);
2826 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2830 const char *mem_str;
2831 const char *maxmem_str, *slots_str;
2832 const ram_addr_t default_ram_size = mc->default_ram_size;
2833 QemuOpts *opts = qemu_find_opts_singleton("memory");
2836 loc_push_none(&loc);
2837 qemu_opts_loc_restore(opts);
2840 mem_str = qemu_opt_get(opts, "size");
2843 error_report("missing 'size' option value");
2847 sz = qemu_opt_get_size(opts, "size", ram_size);
2849 /* Fix up legacy suffix-less format */
2850 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2851 uint64_t overflow_check = sz;
2854 if ((sz >> 20) != overflow_check) {
2855 error_report("too large 'size' option value");
2861 /* backward compatibility behaviour for case "-m 0" */
2863 sz = default_ram_size;
2866 sz = QEMU_ALIGN_UP(sz, 8192);
2868 if (ram_size != sz) {
2869 error_report("ram size too large");
2873 /* store value for the future use */
2874 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2875 *maxram_size = ram_size;
2877 maxmem_str = qemu_opt_get(opts, "maxmem");
2878 slots_str = qemu_opt_get(opts, "slots");
2879 if (maxmem_str && slots_str) {
2882 sz = qemu_opt_get_size(opts, "maxmem", 0);
2883 slots = qemu_opt_get_number(opts, "slots", 0);
2884 if (sz < ram_size) {
2885 error_report("invalid value of -m option maxmem: "
2886 "maximum memory size (0x%" PRIx64 ") must be at least "
2887 "the initial memory size (0x" RAM_ADDR_FMT ")",
2890 } else if (sz > ram_size) {
2892 error_report("invalid value of -m option: maxmem was "
2893 "specified, but no hotplug slots were specified");
2897 error_report("invalid value of -m option maxmem: "
2898 "memory slots were specified but maximum memory size "
2899 "(0x%" PRIx64 ") is equal to the initial memory size "
2900 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2906 } else if ((!maxmem_str && slots_str) ||
2907 (maxmem_str && !slots_str)) {
2908 error_report("invalid -m option value: missing "
2909 "'%s' option", slots_str ? "maxmem" : "slots");
2916 int main(int argc, char **argv, char **envp)
2919 int snapshot, linux_boot;
2920 const char *initrd_filename;
2921 const char *kernel_filename, *kernel_cmdline;
2922 const char *boot_order = NULL;
2923 const char *boot_once = NULL;
2925 int cyls, heads, secs, translation;
2926 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2927 QemuOptsList *olist;
2930 const char *loadvm = NULL;
2931 MachineClass *machine_class;
2932 const char *cpu_model;
2933 const char *vga_model = NULL;
2934 const char *qtest_chrdev = NULL;
2935 const char *qtest_log = NULL;
2936 const char *pid_file = NULL;
2937 const char *incoming = NULL;
2938 bool defconfig = true;
2939 bool userconfig = true;
2940 bool nographic = false;
2941 DisplayType display_type = DT_DEFAULT;
2942 int display_remote = 0;
2943 const char *log_mask = NULL;
2944 const char *log_file = NULL;
2945 char *trace_file = NULL;
2946 ram_addr_t maxram_size;
2947 uint64_t ram_slots = 0;
2948 FILE *vmstate_dump_file = NULL;
2949 Error *main_loop_err = NULL;
2951 bool list_data_dirs = false;
2953 qemu_init_cpu_loop();
2954 qemu_mutex_lock_iothread();
2956 atexit(qemu_run_exit_notifiers);
2957 error_set_progname(argv[0]);
2958 qemu_init_exec_dir(argv[0]);
2960 module_call_init(MODULE_INIT_QOM);
2962 qemu_add_opts(&qemu_drive_opts);
2963 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2964 qemu_add_drive_opts(&qemu_common_drive_opts);
2965 qemu_add_drive_opts(&qemu_drive_opts);
2966 qemu_add_opts(&qemu_chardev_opts);
2967 qemu_add_opts(&qemu_device_opts);
2968 qemu_add_opts(&qemu_netdev_opts);
2969 qemu_add_opts(&qemu_net_opts);
2970 qemu_add_opts(&qemu_rtc_opts);
2971 qemu_add_opts(&qemu_global_opts);
2972 qemu_add_opts(&qemu_mon_opts);
2973 qemu_add_opts(&qemu_trace_opts);
2974 qemu_add_opts(&qemu_option_rom_opts);
2975 qemu_add_opts(&qemu_machine_opts);
2976 qemu_add_opts(&qemu_mem_opts);
2977 qemu_add_opts(&qemu_smp_opts);
2978 qemu_add_opts(&qemu_boot_opts);
2979 qemu_add_opts(&qemu_sandbox_opts);
2980 qemu_add_opts(&qemu_add_fd_opts);
2981 qemu_add_opts(&qemu_object_opts);
2982 qemu_add_opts(&qemu_tpmdev_opts);
2983 qemu_add_opts(&qemu_realtime_opts);
2984 qemu_add_opts(&qemu_msg_opts);
2985 qemu_add_opts(&qemu_name_opts);
2986 qemu_add_opts(&qemu_numa_opts);
2987 qemu_add_opts(&qemu_icount_opts);
2988 qemu_add_opts(&qemu_semihosting_config_opts);
2989 qemu_add_opts(&qemu_fw_cfg_opts);
2990 module_call_init(MODULE_INIT_OPTS);
2994 if (qcrypto_init(&err) < 0) {
2995 error_reportf_err(err, "cannot initialize crypto: ");
2998 rtc_clock = QEMU_CLOCK_HOST;
3000 QLIST_INIT (&vm_change_state_head);
3001 os_setup_early_signal_handling();
3005 cyls = heads = secs = 0;
3006 translation = BIOS_ATA_TRANSLATION_AUTO;
3010 bdrv_init_with_whitelist();
3014 /* first pass of option parsing */
3016 while (optind < argc) {
3017 if (argv[optind][0] != '-') {
3021 const QEMUOption *popt;
3023 popt = lookup_opt(argc, argv, &optarg, &optind);
3024 switch (popt->index) {
3025 case QEMU_OPTION_nodefconfig:
3028 case QEMU_OPTION_nouserconfig:
3037 ret = qemu_read_default_config_files(userconfig);
3043 /* second pass of option parsing */
3048 if (argv[optind][0] != '-') {
3049 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3051 const QEMUOption *popt;
3053 popt = lookup_opt(argc, argv, &optarg, &optind);
3054 if (!(popt->arch_mask & arch_type)) {
3055 error_report("Option not supported for this target");
3058 switch(popt->index) {
3059 case QEMU_OPTION_no_kvm_irqchip: {
3060 olist = qemu_find_opts("machine");
3061 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3064 case QEMU_OPTION_cpu:
3065 /* hw initialization will check this */
3068 case QEMU_OPTION_hda:
3072 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3074 snprintf(buf, sizeof(buf),
3075 "%s,cyls=%d,heads=%d,secs=%d%s",
3076 HD_OPTS , cyls, heads, secs,
3077 translation == BIOS_ATA_TRANSLATION_LBA ?
3079 translation == BIOS_ATA_TRANSLATION_NONE ?
3080 ",trans=none" : "");
3081 drive_add(IF_DEFAULT, 0, optarg, buf);
3084 case QEMU_OPTION_hdb:
3085 case QEMU_OPTION_hdc:
3086 case QEMU_OPTION_hdd:
3087 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3090 case QEMU_OPTION_drive:
3091 if (drive_def(optarg) == NULL) {
3095 case QEMU_OPTION_set:
3096 if (qemu_set_option(optarg) != 0)
3099 case QEMU_OPTION_global:
3100 if (qemu_global_option(optarg) != 0)
3103 case QEMU_OPTION_mtdblock:
3104 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3106 case QEMU_OPTION_sd:
3107 drive_add(IF_SD, -1, optarg, SD_OPTS);
3109 case QEMU_OPTION_pflash:
3110 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3112 case QEMU_OPTION_snapshot:
3115 case QEMU_OPTION_hdachs:
3119 cyls = strtol(p, (char **)&p, 0);
3120 if (cyls < 1 || cyls > 16383)
3125 heads = strtol(p, (char **)&p, 0);
3126 if (heads < 1 || heads > 16)
3131 secs = strtol(p, (char **)&p, 0);
3132 if (secs < 1 || secs > 63)
3136 if (!strcmp(p, "large")) {
3137 translation = BIOS_ATA_TRANSLATION_LARGE;
3138 } else if (!strcmp(p, "rechs")) {
3139 translation = BIOS_ATA_TRANSLATION_RECHS;
3140 } else if (!strcmp(p, "none")) {
3141 translation = BIOS_ATA_TRANSLATION_NONE;
3142 } else if (!strcmp(p, "lba")) {
3143 translation = BIOS_ATA_TRANSLATION_LBA;
3144 } else if (!strcmp(p, "auto")) {
3145 translation = BIOS_ATA_TRANSLATION_AUTO;
3149 } else if (*p != '\0') {
3151 error_report("invalid physical CHS format");
3154 if (hda_opts != NULL) {
3155 qemu_opt_set_number(hda_opts, "cyls", cyls,
3157 qemu_opt_set_number(hda_opts, "heads", heads,
3159 qemu_opt_set_number(hda_opts, "secs", secs,
3161 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3162 qemu_opt_set(hda_opts, "trans", "large",
3164 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3165 qemu_opt_set(hda_opts, "trans", "rechs",
3167 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3168 qemu_opt_set(hda_opts, "trans", "lba",
3170 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3171 qemu_opt_set(hda_opts, "trans", "none",
3177 case QEMU_OPTION_numa:
3178 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3184 case QEMU_OPTION_display:
3185 display_type = select_display(optarg);
3187 case QEMU_OPTION_nographic:
3188 olist = qemu_find_opts("machine");
3189 qemu_opts_parse_noisily(olist, "graphics=off", false);
3191 display_type = DT_NONE;
3193 case QEMU_OPTION_curses:
3194 #ifdef CONFIG_CURSES
3195 display_type = DT_CURSES;
3197 error_report("curses support is disabled");
3201 case QEMU_OPTION_portrait:
3202 graphic_rotate = 90;
3204 case QEMU_OPTION_rotate:
3205 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3206 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3207 graphic_rotate != 180 && graphic_rotate != 270) {
3208 error_report("only 90, 180, 270 deg rotation is available");
3212 case QEMU_OPTION_kernel:
3213 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3216 case QEMU_OPTION_initrd:
3217 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3220 case QEMU_OPTION_append:
3221 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3224 case QEMU_OPTION_dtb:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3228 case QEMU_OPTION_cdrom:
3229 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3231 case QEMU_OPTION_boot:
3232 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3238 case QEMU_OPTION_fda:
3239 case QEMU_OPTION_fdb:
3240 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3243 case QEMU_OPTION_no_fd_bootchk:
3246 case QEMU_OPTION_netdev:
3248 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3252 case QEMU_OPTION_net:
3254 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3258 #ifdef CONFIG_LIBISCSI
3259 case QEMU_OPTION_iscsi:
3260 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3268 case QEMU_OPTION_tftp:
3269 error_report("The -tftp option is deprecated. "
3270 "Please use '-netdev user,tftp=...' instead.");
3271 legacy_tftp_prefix = optarg;
3273 case QEMU_OPTION_bootp:
3274 error_report("The -bootp option is deprecated. "
3275 "Please use '-netdev user,bootfile=...' instead.");
3276 legacy_bootp_filename = optarg;
3278 case QEMU_OPTION_redir:
3279 error_report("The -redir option is deprecated. "
3280 "Please use '-netdev user,hostfwd=...' instead.");
3281 if (net_slirp_redir(optarg) < 0)
3285 case QEMU_OPTION_bt:
3286 add_device_config(DEV_BT, optarg);
3288 case QEMU_OPTION_audio_help:
3292 case QEMU_OPTION_soundhw:
3293 select_soundhw (optarg);
3298 case QEMU_OPTION_version:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3310 case QEMU_OPTION_tpmdev:
3311 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3316 case QEMU_OPTION_mempath:
3319 case QEMU_OPTION_mem_prealloc:
3328 case QEMU_OPTION_DFILTER:
3329 qemu_set_dfilter_ranges(optarg, &error_fatal);
3332 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3334 case QEMU_OPTION_gdb:
3335 add_device_config(DEV_GDB, optarg);
3338 if (is_help_option(optarg)) {
3339 list_data_dirs = true;
3340 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3341 data_dir[data_dir_idx++] = optarg;
3344 case QEMU_OPTION_bios:
3345 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3348 case QEMU_OPTION_singlestep:
3355 keyboard_layout = optarg;
3357 case QEMU_OPTION_localtime:
3360 case QEMU_OPTION_vga:
3369 w = strtol(p, (char **)&p, 10);
3372 error_report("invalid resolution or depth");
3378 h = strtol(p, (char **)&p, 10);
3383 depth = strtol(p, (char **)&p, 10);
3384 if (depth != 8 && depth != 15 && depth != 16 &&
3385 depth != 24 && depth != 32)
3387 } else if (*p == '\0') {
3388 depth = graphic_depth;
3395 graphic_depth = depth;
3398 case QEMU_OPTION_echr:
3401 term_escape_char = strtol(optarg, &r, 0);
3403 printf("Bad argument to echr\n");
3406 case QEMU_OPTION_monitor:
3407 default_monitor = 0;
3408 if (strncmp(optarg, "none", 4)) {
3409 monitor_parse(optarg, "readline", false);
3412 case QEMU_OPTION_qmp:
3413 monitor_parse(optarg, "control", false);
3414 default_monitor = 0;
3416 case QEMU_OPTION_qmp_pretty:
3417 monitor_parse(optarg, "control", true);
3418 default_monitor = 0;
3420 case QEMU_OPTION_mon:
3421 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3426 default_monitor = 0;
3428 case QEMU_OPTION_chardev:
3429 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3435 case QEMU_OPTION_fsdev:
3436 olist = qemu_find_opts("fsdev");
3438 error_report("fsdev support is disabled");
3441 opts = qemu_opts_parse_noisily(olist, optarg, true);
3446 case QEMU_OPTION_virtfs: {
3449 const char *writeout, *sock_fd, *socket;
3451 olist = qemu_find_opts("virtfs");
3453 error_report("virtfs support is disabled");
3456 opts = qemu_opts_parse_noisily(olist, optarg, true);
3461 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3462 qemu_opt_get(opts, "mount_tag") == NULL) {
3463 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3466 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3467 qemu_opt_get(opts, "mount_tag"),
3470 error_report("duplicate fsdev id: %s",
3471 qemu_opt_get(opts, "mount_tag"));
3475 writeout = qemu_opt_get(opts, "writeout");
3477 #ifdef CONFIG_SYNC_FILE_RANGE
3478 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3480 error_report("writeout=immediate not supported "
3481 "on this platform");
3485 qemu_opt_set(fsdev, "fsdriver",
3486 qemu_opt_get(opts, "fsdriver"), &error_abort);
3487 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3489 qemu_opt_set(fsdev, "security_model",
3490 qemu_opt_get(opts, "security_model"),
3492 socket = qemu_opt_get(opts, "socket");
3494 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3496 sock_fd = qemu_opt_get(opts, "sock_fd");
3498 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3501 qemu_opt_set_bool(fsdev, "readonly",
3502 qemu_opt_get_bool(opts, "readonly", 0),
3504 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3506 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3507 qemu_opt_set(device, "fsdev",
3508 qemu_opt_get(opts, "mount_tag"), &error_abort);
3509 qemu_opt_set(device, "mount_tag",
3510 qemu_opt_get(opts, "mount_tag"), &error_abort);
3513 case QEMU_OPTION_virtfs_synth: {
3517 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3520 error_report("duplicate option: %s", "virtfs_synth");
3523 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3525 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3527 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3528 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3529 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3532 case QEMU_OPTION_serial:
3533 add_device_config(DEV_SERIAL, optarg);
3535 if (strncmp(optarg, "mon:", 4) == 0) {
3536 default_monitor = 0;
3539 case QEMU_OPTION_watchdog:
3541 error_report("only one watchdog option may be given");
3546 case QEMU_OPTION_watchdog_action:
3547 if (select_watchdog_action(optarg) == -1) {
3548 error_report("unknown -watchdog-action parameter");
3552 case QEMU_OPTION_virtiocon:
3553 add_device_config(DEV_VIRTCON, optarg);
3554 default_virtcon = 0;
3555 if (strncmp(optarg, "mon:", 4) == 0) {
3556 default_monitor = 0;
3559 case QEMU_OPTION_parallel:
3560 add_device_config(DEV_PARALLEL, optarg);
3561 default_parallel = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3566 case QEMU_OPTION_debugcon:
3567 add_device_config(DEV_DEBUGCON, optarg);
3569 case QEMU_OPTION_loadvm:
3572 case QEMU_OPTION_full_screen:
3575 case QEMU_OPTION_no_frame:
3578 case QEMU_OPTION_alt_grab:
3581 case QEMU_OPTION_ctrl_grab:
3584 case QEMU_OPTION_no_quit:
3587 case QEMU_OPTION_sdl:
3589 display_type = DT_SDL;
3592 error_report("SDL support is disabled");
3595 case QEMU_OPTION_pidfile:
3598 case QEMU_OPTION_win2k_hack:
3599 win2k_install_hack = 1;
3601 case QEMU_OPTION_rtc_td_hack: {
3602 static GlobalProperty slew_lost_ticks = {
3603 .driver = "mc146818rtc",
3604 .property = "lost_tick_policy",
3608 qdev_prop_register_global(&slew_lost_ticks);
3611 case QEMU_OPTION_acpitable:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3617 do_acpitable_option(opts);
3619 case QEMU_OPTION_smbios:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3625 do_smbios_option(opts);
3627 case QEMU_OPTION_fwcfg:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3634 case QEMU_OPTION_enable_kvm:
3635 olist = qemu_find_opts("machine");
3636 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3639 case QEMU_OPTION_machine:
3640 olist = qemu_find_opts("machine");
3641 opts = qemu_opts_parse_noisily(olist, optarg, true);
3646 case QEMU_OPTION_no_kvm:
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3650 case QEMU_OPTION_no_kvm_pit: {
3651 error_report("warning: ignoring deprecated option");
3654 case QEMU_OPTION_no_kvm_pit_reinjection: {
3655 static GlobalProperty kvm_pit_lost_tick_policy = {
3656 .driver = "kvm-pit",
3657 .property = "lost_tick_policy",
3661 error_report("warning: deprecated, replaced by "
3662 "-global kvm-pit.lost_tick_policy=discard");
3663 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3666 case QEMU_OPTION_usb:
3667 olist = qemu_find_opts("machine");
3668 qemu_opts_parse_noisily(olist, "usb=on", false);
3670 case QEMU_OPTION_usbdevice:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "usb=on", false);
3673 add_device_config(DEV_USB, optarg);
3675 case QEMU_OPTION_device:
3676 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3681 case QEMU_OPTION_smp:
3682 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3687 case QEMU_OPTION_vnc:
3688 vnc_parse(optarg, &error_fatal);
3690 case QEMU_OPTION_no_acpi:
3693 case QEMU_OPTION_no_hpet:
3696 case QEMU_OPTION_balloon:
3697 if (balloon_parse(optarg) < 0) {
3698 error_report("unknown -balloon argument %s", optarg);
3702 case QEMU_OPTION_no_reboot:
3705 case QEMU_OPTION_no_shutdown:
3708 case QEMU_OPTION_show_cursor:
3711 case QEMU_OPTION_uuid:
3712 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3713 error_report("failed to parse UUID string: wrong format");
3716 qemu_uuid_set = true;
3718 case QEMU_OPTION_option_rom:
3719 if (nb_option_roms >= MAX_OPTION_ROMS) {
3720 error_report("too many option ROMs");
3723 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3728 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3729 option_rom[nb_option_roms].bootindex =
3730 qemu_opt_get_number(opts, "bootindex", -1);
3731 if (!option_rom[nb_option_roms].name) {
3732 error_report("Option ROM file is not specified");
3737 case QEMU_OPTION_semihosting:
3738 semihosting.enabled = true;
3739 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3741 case QEMU_OPTION_semihosting_config:
3742 semihosting.enabled = true;
3743 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3746 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3748 const char *target = qemu_opt_get(opts, "target");
3749 if (target != NULL) {
3750 if (strcmp("native", target) == 0) {
3751 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3752 } else if (strcmp("gdb", target) == 0) {
3753 semihosting.target = SEMIHOSTING_TARGET_GDB;
3754 } else if (strcmp("auto", target) == 0) {
3755 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3757 error_report("unsupported semihosting-config %s",
3762 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3764 /* Set semihosting argument count and vector */
3765 qemu_opt_foreach(opts, add_semihosting_arg,
3766 &semihosting, NULL);
3768 error_report("unsupported semihosting-config %s", optarg);
3772 case QEMU_OPTION_tdf:
3773 error_report("warning: ignoring deprecated option");
3775 case QEMU_OPTION_name:
3776 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3782 case QEMU_OPTION_prom_env:
3783 if (nb_prom_envs >= MAX_PROM_ENVS) {
3784 error_report("too many prom variables");
3787 prom_envs[nb_prom_envs] = optarg;
3790 case QEMU_OPTION_old_param:
3793 case QEMU_OPTION_clock:
3794 /* Clock options no longer exist. Keep this option for
3795 * backward compatibility.
3798 case QEMU_OPTION_startdate:
3799 configure_rtc_date_offset(optarg, 1);
3801 case QEMU_OPTION_rtc:
3802 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3807 configure_rtc(opts);
3809 case QEMU_OPTION_tb_size:
3810 tcg_tb_size = strtol(optarg, NULL, 0);
3811 if (tcg_tb_size < 0) {
3815 case QEMU_OPTION_icount:
3816 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3822 case QEMU_OPTION_incoming:
3824 runstate_set(RUN_STATE_INMIGRATE);
3828 case QEMU_OPTION_nodefaults:
3831 case QEMU_OPTION_xen_domid:
3832 if (!(xen_available())) {
3833 error_report("Option not supported for this target");
3836 xen_domid = atoi(optarg);
3838 case QEMU_OPTION_xen_create:
3839 if (!(xen_available())) {
3840 error_report("Option not supported for this target");
3843 xen_mode = XEN_CREATE;
3845 case QEMU_OPTION_xen_attach:
3846 if (!(xen_available())) {
3847 error_report("Option not supported for this target");
3850 xen_mode = XEN_ATTACH;
3852 case QEMU_OPTION_trace:
3854 trace_file = trace_opt_parse(optarg);
3856 case QEMU_OPTION_readconfig:
3858 int ret = qemu_read_config_file(optarg);
3860 error_report("read config %s: %s", optarg,
3866 case QEMU_OPTION_spice:
3867 olist = qemu_find_opts("spice");
3869 error_report("spice support is disabled");
3872 opts = qemu_opts_parse_noisily(olist, optarg, false);
3878 case QEMU_OPTION_writeconfig:
3881 if (strcmp(optarg, "-") == 0) {
3884 fp = fopen(optarg, "w");
3886 error_report("open %s: %s", optarg,
3891 qemu_config_write(fp);
3897 case QEMU_OPTION_qtest:
3898 qtest_chrdev = optarg;
3900 case QEMU_OPTION_qtest_log:
3903 case QEMU_OPTION_sandbox:
3904 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3910 case QEMU_OPTION_add_fd:
3912 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3918 error_report("File descriptor passing is disabled on this "
3923 case QEMU_OPTION_object:
3924 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3930 case QEMU_OPTION_realtime:
3931 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3936 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3938 case QEMU_OPTION_msg:
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3944 configure_msg(opts);
3946 case QEMU_OPTION_dump_vmstate:
3947 if (vmstate_dump_file) {
3948 error_report("only one '-dump-vmstate' "
3949 "option may be given");
3952 vmstate_dump_file = fopen(optarg, "w");
3953 if (vmstate_dump_file == NULL) {
3954 error_report("open %s: %s", optarg, strerror(errno));
3959 os_parse_cmd_args(popt->index, optarg);
3964 * Clear error location left behind by the loop.
3965 * Best done right after the loop. Do not insert code here!
3969 replay_configure(icount_opts);
3971 machine_class = select_machine();
3973 set_memory_options(&ram_slots, &maxram_size, machine_class);
3977 if (qemu_init_main_loop(&main_loop_err)) {
3978 error_report_err(main_loop_err);
3982 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3983 parse_sandbox, NULL, NULL)) {
3987 if (qemu_opts_foreach(qemu_find_opts("name"),
3988 parse_name, NULL, NULL)) {
3993 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3994 parse_add_fd, NULL, NULL)) {
3998 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3999 cleanup_add_fd, NULL, NULL)) {
4004 current_machine = MACHINE(object_new(object_class_get_name(
4005 OBJECT_CLASS(machine_class))));
4006 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4009 object_property_add_child(object_get_root(), "machine",
4010 OBJECT(current_machine), &error_abort);
4011 cpu_exec_init_all();
4013 if (machine_class->hw_version) {
4014 qemu_set_hw_version(machine_class->hw_version);
4017 if (cpu_model && is_help_option(cpu_model)) {
4018 list_cpus(stdout, &fprintf, cpu_model);
4022 if (!trace_init_backends()) {
4025 trace_init_file(trace_file);
4027 /* Open the logfile at this point and set the log mask if necessary.
4030 qemu_set_log_filename(log_file, &error_fatal);
4035 mask = qemu_str_to_log_mask(log_mask);
4037 qemu_print_log_usage(stdout);
4045 /* If no data_dir is specified then try to find it relative to the
4047 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4048 data_dir[data_dir_idx] = os_find_datadir();
4049 if (data_dir[data_dir_idx] != NULL) {
4053 /* If all else fails use the install path specified when building. */
4054 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4055 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4058 /* -L help lists the data directories and exits. */
4059 if (list_data_dirs) {
4060 for (i = 0; i < data_dir_idx; i++) {
4061 printf("%s\n", data_dir[i]);
4066 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4068 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4069 if (max_cpus > machine_class->max_cpus) {
4070 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4071 "supported by machine '%s' (%d)", max_cpus,
4072 machine_class->name, machine_class->max_cpus);
4077 * Get the default machine options from the machine if it is not already
4078 * specified either by the configuration file or by the command line.
4080 if (machine_class->default_machine_opts) {
4081 qemu_opts_set_defaults(qemu_find_opts("machine"),
4082 machine_class->default_machine_opts, 0);
4085 qemu_opts_foreach(qemu_find_opts("device"),
4086 default_driver_check, NULL, NULL);
4087 qemu_opts_foreach(qemu_find_opts("global"),
4088 default_driver_check, NULL, NULL);
4090 if (!vga_model && !default_vga) {
4091 vga_interface_type = VGA_DEVICE;
4093 if (!has_defaults || machine_class->no_serial) {
4096 if (!has_defaults || machine_class->no_parallel) {
4097 default_parallel = 0;
4099 if (!has_defaults || !machine_class->use_virtcon) {
4100 default_virtcon = 0;
4102 if (!has_defaults || !machine_class->use_sclp) {
4105 if (!has_defaults || machine_class->no_floppy) {
4108 if (!has_defaults || machine_class->no_cdrom) {
4111 if (!has_defaults || machine_class->no_sdcard) {
4114 if (!has_defaults) {
4115 default_monitor = 0;
4120 if (is_daemonized()) {
4121 /* According to documentation and historically, -nographic redirects
4122 * serial port, parallel port and monitor to stdio, which does not work
4123 * with -daemonize. We can redirect these to null instead, but since
4124 * -nographic is legacy, let's just error out.
4125 * We disallow -nographic only if all other ports are not redirected
4126 * explicitly, to not break existing legacy setups which uses
4127 * -nographic _and_ redirects all ports explicitly - this is valid
4128 * usage, -nographic is just a no-op in this case.
4131 && (default_parallel || default_serial
4132 || default_monitor || default_virtcon)) {
4133 error_report("-nographic cannot be used with -daemonize");
4136 #ifdef CONFIG_CURSES
4137 if (display_type == DT_CURSES) {
4138 error_report("curses display cannot be used with -daemonize");
4145 if (default_parallel)
4146 add_device_config(DEV_PARALLEL, "null");
4147 if (default_serial && default_monitor) {
4148 add_device_config(DEV_SERIAL, "mon:stdio");
4149 } else if (default_virtcon && default_monitor) {
4150 add_device_config(DEV_VIRTCON, "mon:stdio");
4151 } else if (default_sclp && default_monitor) {
4152 add_device_config(DEV_SCLP, "mon:stdio");
4155 add_device_config(DEV_SERIAL, "stdio");
4156 if (default_virtcon)
4157 add_device_config(DEV_VIRTCON, "stdio");
4159 add_device_config(DEV_SCLP, "stdio");
4161 if (default_monitor)
4162 monitor_parse("stdio", "readline", false);
4166 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4167 if (default_parallel)
4168 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4169 if (default_monitor)
4170 monitor_parse("vc:80Cx24C", "readline", false);
4171 if (default_virtcon)
4172 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4174 add_device_config(DEV_SCLP, "vc:80Cx24C");
4178 #if defined(CONFIG_VNC)
4179 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4183 if (display_type == DT_DEFAULT && !display_remote) {
4184 #if defined(CONFIG_GTK)
4185 display_type = DT_GTK;
4186 #elif defined(CONFIG_SDL)
4187 display_type = DT_SDL;
4188 #elif defined(CONFIG_COCOA)
4189 display_type = DT_COCOA;
4190 #elif defined(CONFIG_VNC)
4191 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4193 display_type = DT_NONE;
4197 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4198 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4199 "for SDL, ignoring option");
4201 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4202 error_report("-no-quit is only valid for GTK and SDL, "
4206 if (display_type == DT_GTK) {
4207 early_gtk_display_init(request_opengl);
4210 if (display_type == DT_SDL) {
4211 sdl_display_early_init(request_opengl);
4214 if (request_opengl == 1 && display_opengl == 0) {
4215 #if defined(CONFIG_OPENGL)
4216 error_report("OpenGL is not supported by the display");
4218 error_report("OpenGL support is disabled");
4226 if (qemu_opts_foreach(qemu_find_opts("object"),
4227 user_creatable_add_opts_foreach,
4228 object_create_initial, NULL)) {
4232 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4233 chardev_init_func, NULL, NULL)) {
4237 #ifdef CONFIG_VIRTFS
4238 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4239 fsdev_init_func, NULL, NULL)) {
4244 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4245 error_report("could not acquire pid file: %s", strerror(errno));
4249 if (qemu_opts_foreach(qemu_find_opts("device"),
4250 device_help_func, NULL, NULL)) {
4254 machine_opts = qemu_get_machine_opts();
4255 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4257 object_unref(OBJECT(current_machine));
4261 configure_accelerator(current_machine);
4264 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4267 machine_opts = qemu_get_machine_opts();
4268 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4269 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4270 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4271 bios_name = qemu_opt_get(machine_opts, "firmware");
4273 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4275 boot_order = qemu_opt_get(opts, "order");
4277 validate_bootdevices(boot_order, &error_fatal);
4280 boot_once = qemu_opt_get(opts, "once");
4282 validate_bootdevices(boot_once, &error_fatal);
4285 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4286 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4290 boot_order = machine_class->default_boot_order;
4293 if (!kernel_cmdline) {
4294 kernel_cmdline = "";
4295 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4298 linux_boot = (kernel_filename != NULL);
4300 if (!linux_boot && *kernel_cmdline != '\0') {
4301 error_report("-append only allowed with -kernel option");
4305 if (!linux_boot && initrd_filename != NULL) {
4306 error_report("-initrd only allowed with -kernel option");
4310 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4311 error_report("-dtb only allowed with -kernel option");
4315 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4316 /* fall back to the -kernel/-append */
4317 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4320 os_set_line_buffering();
4322 /* spice needs the timers to be initialized by this point */
4327 if (kvm_enabled() || xen_enabled()) {
4328 error_report("-icount is not allowed with kvm or xen");
4331 configure_icount(icount_opts, &error_abort);
4332 qemu_opts_del(icount_opts);
4335 /* clean up network at qemu process termination */
4336 atexit(&net_cleanup);
4339 QemuOptsList *net = qemu_find_opts("net");
4340 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4342 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4346 if (net_init_clients() < 0) {
4350 if (qemu_opts_foreach(qemu_find_opts("object"),
4351 user_creatable_add_opts_foreach,
4352 object_create_delayed, NULL)) {
4357 if (tpm_init() < 0) {
4362 /* init the bluetooth world */
4363 if (foreach_device_config(DEV_BT, bt_parse))
4366 if (!xen_enabled()) {
4367 /* On 32-bit hosts, QEMU is limited by virtual address space */
4368 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4369 error_report("at most 2047 MB RAM can be simulated");
4377 /* If the currently selected machine wishes to override the units-per-bus
4378 * property of its default HBA interface type, do so now. */
4379 if (machine_class->units_per_default_bus) {
4380 override_max_devs(machine_class->block_default_type,
4381 machine_class->units_per_default_bus);
4384 /* open the virtual block devices */
4385 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4386 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4389 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4390 &machine_class->block_default_type, NULL)) {
4394 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4396 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4397 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4399 parse_numa_opts(machine_class);
4401 if (qemu_opts_foreach(qemu_find_opts("mon"),
4402 mon_init_func, NULL, NULL)) {
4406 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4408 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4410 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4412 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4415 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4418 /* If no default VGA is requested, the default is "none". */
4420 if (machine_class->default_display) {
4421 vga_model = machine_class->default_display;
4422 } else if (vga_interface_available(VGA_CIRRUS)) {
4423 vga_model = "cirrus";
4424 } else if (vga_interface_available(VGA_STD)) {
4429 select_vgahw(vga_model);
4433 i = select_watchdog(watchdog);
4435 exit (i == 1 ? 1 : 0);
4438 if (machine_class->compat_props) {
4440 for (i = 0; i < machine_class->compat_props->len; i++) {
4441 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4442 qdev_prop_register_global(p);
4447 /* This checkpoint is required by replay to separate prior clock
4448 reading from the other reads, because timer polling functions query
4449 clock values from the log. */
4450 replay_checkpoint(CHECKPOINT_INIT);
4451 qdev_machine_init();
4453 current_machine->ram_size = ram_size;
4454 current_machine->maxram_size = maxram_size;
4455 current_machine->ram_slots = ram_slots;
4456 current_machine->boot_order = boot_order;
4457 current_machine->cpu_model = cpu_model;
4459 machine_class->init(current_machine);
4465 cpu_synchronize_all_post_init();
4467 numa_post_machine_init();
4469 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4470 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4474 /* init USB devices */
4475 if (machine_usb(current_machine)) {
4476 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4480 /* Check if IGD GFX passthrough. */
4483 /* init generic devices */
4484 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4485 if (qemu_opts_foreach(qemu_find_opts("device"),
4486 device_init_func, NULL, NULL)) {
4489 rom_reset_order_override();
4491 /* Did we create any drives that we failed to create a device for? */
4492 drive_check_orphaned();
4494 /* Don't warn about the default network setup that you get if
4495 * no command line -net or -netdev options are specified. There
4496 * are two cases that we would otherwise complain about:
4497 * (1) board doesn't support a NIC but the implicit "-net nic"
4499 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4500 * sets up a nic that isn't connected to anything.
4503 net_check_clients();
4508 qemu_boot_set(boot_once, &error_fatal);
4509 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4512 ds = init_displaystate();
4514 /* init local displays */
4515 switch (display_type) {
4517 curses_display_init(ds, full_screen);
4520 sdl_display_init(ds, full_screen, no_frame);
4523 cocoa_display_init(ds, full_screen);
4526 gtk_display_init(ds, full_screen, grab_on_hover);
4532 /* must be after terminal init, SDL library changes signal handlers */
4533 os_setup_signal_handling();
4535 /* init remote displays */
4537 qemu_opts_foreach(qemu_find_opts("vnc"),
4538 vnc_init_func, NULL, NULL);
4542 qemu_spice_display_init();
4545 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4549 qdev_machine_creation_done();
4551 /* TODO: once all bus devices are qdevified, this should be done
4552 * when bus is created by qdev.c */
4553 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4554 qemu_run_machine_init_done_notifiers();
4556 if (rom_check_and_register_reset() != 0) {
4557 error_report("rom check and register reset failed");
4563 /* This checkpoint is required by replay to separate prior clock
4564 reading from the other reads, because timer polling functions query
4565 clock values from the log. */
4566 replay_checkpoint(CHECKPOINT_RESET);
4567 qemu_system_reset(VMRESET_SILENT);
4568 register_global_state();
4570 if (load_vmstate(loadvm) < 0) {
4575 qdev_prop_check_globals();
4576 if (vmstate_dump_file) {
4578 dump_vmstate_json_to_file(vmstate_dump_file);
4583 Error *local_err = NULL;
4584 qemu_start_incoming_migration(incoming, &local_err);
4586 error_reportf_err(local_err, "-incoming %s: ", incoming);
4589 } else if (autostart) {
4596 replay_disable_events();