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/cutils.h"
26 #include "qemu/help_option.h"
29 #include "sysemu/seccomp.h"
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
37 #if defined(__APPLE__) || defined(main)
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
42 return qemu_main(argc, argv, NULL);
45 #define main qemu_main
47 #endif /* CONFIG_SDL */
51 #define main qemu_main
52 #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 static int display_remote;
135 const char* keyboard_layout = NULL;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
141 NICInfo nd_table[MAX_NICS];
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
150 static bool grab_on_hover;
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
161 int acpi_enabled = 1;
164 static int no_reboot;
167 int graphic_rotate = 0;
168 const char *watchdog;
169 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 const char *qemu_name;
175 unsigned int nb_prom_envs = 0;
176 const char *prom_envs[MAX_PROM_ENVS];
179 uint8_t *boot_splash_filedata;
180 size_t boot_splash_filedata_size;
181 uint8_t qemu_extra_params_fw[2];
183 int icount_align_option;
185 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
186 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 uint8_t qemu_uuid[16];
191 static NotifierList exit_notifiers =
192 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194 static NotifierList machine_init_done_notifiers =
195 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199 enum xen_mode xen_mode = XEN_EMULATE;
201 static int has_defaults = 1;
202 static int default_serial = 1;
203 static int default_parallel = 1;
204 static int default_virtcon = 1;
205 static int default_sclp = 1;
206 static int default_monitor = 1;
207 static int default_floppy = 1;
208 static int default_cdrom = 1;
209 static int default_sdcard = 1;
210 static int default_vga = 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_trace_opts = {
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .type = QEMU_OPT_STRING,
276 .type = QEMU_OPT_STRING,
279 .type = QEMU_OPT_STRING,
281 { /* end of list */ }
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .type = QEMU_OPT_NUMBER,
295 .type = QEMU_OPT_STRING,
297 { /* end of list */ }
301 static QemuOptsList qemu_machine_opts = {
303 .implied_opt_name = "type",
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
316 static QemuOptsList qemu_boot_opts = {
318 .implied_opt_name = "order",
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .type = QEMU_OPT_STRING,
327 .type = QEMU_OPT_STRING,
330 .type = QEMU_OPT_BOOL,
333 .type = QEMU_OPT_STRING,
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
342 .type = QEMU_OPT_BOOL,
348 static QemuOptsList qemu_add_fd_opts = {
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
365 { /* end of list */ }
369 static QemuOptsList qemu_object_opts = {
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
378 static QemuOptsList qemu_tpmdev_opts = {
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
388 static QemuOptsList qemu_realtime_opts = {
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .type = QEMU_OPT_BOOL,
396 { /* end of list */ }
400 static QemuOptsList qemu_msg_opts = {
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
406 .type = QEMU_OPT_BOOL,
408 { /* end of list */ }
412 static QemuOptsList qemu_name_opts = {
414 .implied_opt_name = "guest",
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
435 { /* End of list */ }
439 static QemuOptsList qemu_mem_opts = {
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .type = QEMU_OPT_SIZE,
451 .type = QEMU_OPT_NUMBER,
455 .type = QEMU_OPT_SIZE,
457 { /* end of list */ }
461 static QemuOptsList qemu_icount_opts = {
463 .implied_opt_name = "shift",
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
469 .type = QEMU_OPT_STRING,
472 .type = QEMU_OPT_BOOL,
475 .type = QEMU_OPT_BOOL,
478 .type = QEMU_OPT_STRING,
481 .type = QEMU_OPT_STRING,
483 { /* end of list */ }
487 static QemuOptsList qemu_semihosting_config_opts = {
488 .name = "semihosting-config",
489 .implied_opt_name = "enable",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
494 .type = QEMU_OPT_BOOL,
497 .type = QEMU_OPT_STRING,
500 .type = QEMU_OPT_STRING,
502 { /* end of list */ }
506 static QemuOptsList qemu_fw_cfg_opts = {
508 .implied_opt_name = "name",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the fw_cfg name of the blob to be inserted",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets the name of the file from which\n"
519 "the fw_cfg blob will be loaded",
522 .type = QEMU_OPT_STRING,
523 .help = "Sets content of the blob to be inserted from a string",
525 { /* end of list */ }
530 * Get machine options
532 * Returns: machine options (never null).
534 QemuOpts *qemu_get_machine_opts(void)
536 return qemu_find_opts_singleton("machine");
539 const char *qemu_get_vm_name(void)
544 static void res_free(void)
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
550 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
552 const char *driver = qemu_opt_get(opts, "driver");
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
560 *(default_list[i].flag) = 0;
565 /***********************************************************/
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570 /* We use RUN_STATE__MAX but any invalid value will do */
571 static RunState vmstop_requested = RUN_STATE__MAX;
572 static QemuMutex vmstop_lock;
577 } RunStateTransition;
579 static const RunStateTransition runstate_transitions_def[] = {
581 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
582 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
592 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
595 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
601 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
602 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
622 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
625 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
628 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
632 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
633 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
635 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
642 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
643 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
644 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
647 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
648 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
655 { RUN_STATE__MAX, RUN_STATE__MAX },
658 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
660 bool runstate_check(RunState state)
662 return current_run_state == state;
665 bool runstate_store(char *str, size_t size)
667 const char *state = RunState_lookup[current_run_state];
668 size_t len = strlen(state) + 1;
673 memcpy(str, state, len);
677 static void runstate_init(void)
679 const RunStateTransition *p;
681 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
682 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
683 runstate_valid_transitions[p->from][p->to] = true;
686 qemu_mutex_init(&vmstop_lock);
689 /* This function will abort() on invalid state transitions */
690 void runstate_set(RunState new_state)
692 assert(new_state < RUN_STATE__MAX);
694 if (!runstate_valid_transitions[current_run_state][new_state]) {
695 error_report("invalid runstate transition: '%s' -> '%s'",
696 RunState_lookup[current_run_state],
697 RunState_lookup[new_state]);
700 trace_runstate_set(new_state);
701 current_run_state = new_state;
704 int runstate_is_running(void)
706 return runstate_check(RUN_STATE_RUNNING);
709 bool runstate_needs_reset(void)
711 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
712 runstate_check(RUN_STATE_SHUTDOWN);
715 StatusInfo *qmp_query_status(Error **errp)
717 StatusInfo *info = g_malloc0(sizeof(*info));
719 info->running = runstate_is_running();
720 info->singlestep = singlestep;
721 info->status = current_run_state;
726 static bool qemu_vmstop_requested(RunState *r)
728 qemu_mutex_lock(&vmstop_lock);
729 *r = vmstop_requested;
730 vmstop_requested = RUN_STATE__MAX;
731 qemu_mutex_unlock(&vmstop_lock);
732 return *r < RUN_STATE__MAX;
735 void qemu_system_vmstop_request_prepare(void)
737 qemu_mutex_lock(&vmstop_lock);
740 void qemu_system_vmstop_request(RunState state)
742 vmstop_requested = state;
743 qemu_mutex_unlock(&vmstop_lock);
751 qemu_vmstop_requested(&requested);
752 if (runstate_is_running() && requested == RUN_STATE__MAX) {
756 /* Ensure that a STOP/RESUME pair of events is emitted if a
757 * vmstop request was pending. The BLOCK_IO_ERROR event, for
758 * example, according to documentation is always followed by
761 if (runstate_is_running()) {
762 qapi_event_send_stop(&error_abort);
765 runstate_set(RUN_STATE_RUNNING);
766 vm_state_notify(1, RUN_STATE_RUNNING);
770 qapi_event_send_resume(&error_abort);
774 /***********************************************************/
775 /* real time host monotonic timer */
777 static time_t qemu_time(void)
779 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
782 /***********************************************************/
783 /* host time/date access */
784 void qemu_get_timedate(struct tm *tm, int offset)
786 time_t ti = qemu_time();
789 if (rtc_date_offset == -1) {
793 localtime_r(&ti, tm);
795 ti -= rtc_date_offset;
800 int qemu_timedate_diff(struct tm *tm)
804 if (rtc_date_offset == -1)
806 seconds = mktimegm(tm);
809 tmp.tm_isdst = -1; /* use timezone to figure it out */
810 seconds = mktime(&tmp);
813 seconds = mktimegm(tm) + rtc_date_offset;
815 return seconds - qemu_time();
818 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 time_t rtc_start_date;
823 if (!strcmp(startdate, "now") && legacy) {
824 rtc_date_offset = -1;
826 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
834 } else if (sscanf(startdate, "%d-%d-%d",
846 rtc_start_date = mktimegm(&tm);
847 if (rtc_start_date == -1) {
849 error_report("invalid date format");
850 error_printf("valid formats: "
851 "'2006-06-17T16:01:21' or '2006-06-17'\n");
854 rtc_date_offset = qemu_time() - rtc_start_date;
858 static void configure_rtc(QemuOpts *opts)
862 value = qemu_opt_get(opts, "base");
864 if (!strcmp(value, "utc")) {
866 } else if (!strcmp(value, "localtime")) {
867 Error *blocker = NULL;
869 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
870 "-rtc base=localtime");
871 replay_add_blocker(blocker);
873 configure_rtc_date_offset(value, 0);
876 value = qemu_opt_get(opts, "clock");
878 if (!strcmp(value, "host")) {
879 rtc_clock = QEMU_CLOCK_HOST;
880 } else if (!strcmp(value, "rt")) {
881 rtc_clock = QEMU_CLOCK_REALTIME;
882 } else if (!strcmp(value, "vm")) {
883 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 error_report("invalid option value '%s'", value);
889 value = qemu_opt_get(opts, "driftfix");
891 if (!strcmp(value, "slew")) {
892 static GlobalProperty slew_lost_ticks[] = {
894 .driver = "mc146818rtc",
895 .property = "lost_tick_policy",
898 { /* end of list */ }
901 qdev_prop_register_global_list(slew_lost_ticks);
902 } else if (!strcmp(value, "none")) {
903 /* discard is default */
905 error_report("invalid option value '%s'", value);
911 /***********************************************************/
912 /* Bluetooth support */
915 static struct HCIInfo *hci_table[MAX_NICS];
917 struct HCIInfo *qemu_next_hci(void)
919 if (cur_hci == nb_hcis)
922 return hci_table[cur_hci++];
925 static int bt_hci_parse(const char *str)
930 if (nb_hcis >= MAX_NICS) {
931 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
944 bdaddr.b[5] = 0x56 + nb_hcis;
945 hci->bdaddr_set(hci, bdaddr.b);
947 hci_table[nb_hcis++] = hci;
952 static void bt_vhci_add(int vlan_id)
954 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
957 error_report("warning: adding a VHCI to an empty scatternet %i",
960 bt_vhci_init(bt_new_hci(vlan));
963 static struct bt_device_s *bt_device_add(const char *opt)
965 struct bt_scatternet_s *vlan;
967 char *endp = strstr(opt, ",vlan=");
968 int len = (endp ? endp - opt : strlen(opt)) + 1;
971 pstrcpy(devname, MIN(sizeof(devname), len), opt);
974 vlan_id = strtol(endp + 6, &endp, 0);
976 error_report("unrecognised bluetooth vlan Id");
981 vlan = qemu_find_bt_vlan(vlan_id);
984 error_report("warning: adding a slave device to an empty scatternet %i",
987 if (!strcmp(devname, "keyboard"))
988 return bt_keyboard_init(vlan);
990 error_report("unsupported bluetooth device '%s'", devname);
994 static int bt_parse(const char *opt)
996 const char *endp, *p;
999 if (strstart(opt, "hci", &endp)) {
1000 if (!*endp || *endp == ',') {
1002 if (!strstart(endp, ",vlan=", 0))
1005 return bt_hci_parse(opt);
1007 } else if (strstart(opt, "vhci", &endp)) {
1008 if (!*endp || *endp == ',') {
1010 if (strstart(endp, ",vlan=", &p)) {
1011 vlan = strtol(p, (char **) &endp, 0);
1013 error_report("bad scatternet '%s'", p);
1017 error_report("bad parameter '%s'", endp + 1);
1026 } else if (strstart(opt, "device:", &endp))
1027 return !bt_device_add(endp);
1029 error_report("bad bluetooth parameter '%s'", opt);
1033 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 /* FIXME: change this to true for 1.3 */
1036 if (qemu_opt_get_bool(opts, "enable", false)) {
1037 #ifdef CONFIG_SECCOMP
1038 if (seccomp_start() < 0) {
1039 error_report("failed to install seccomp syscall filter "
1044 error_report("seccomp support is disabled");
1052 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 const char *proc_name;
1056 if (qemu_opt_get(opts, "debug-threads")) {
1057 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 qemu_name = qemu_opt_get(opts, "guest");
1061 proc_name = qemu_opt_get(opts, "process");
1063 os_set_proc_name(proc_name);
1069 bool defaults_enabled(void)
1071 return has_defaults;
1074 bool usb_enabled(void)
1076 return machine_usb(current_machine);
1080 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 int fd, dupfd, flags;
1084 const char *fd_opaque = NULL;
1087 fd = qemu_opt_get_number(opts, "fd", -1);
1088 fdset_id = qemu_opt_get_number(opts, "set", -1);
1089 fd_opaque = qemu_opt_get(opts, "opaque");
1092 error_report("fd option is required and must be non-negative");
1096 if (fd <= STDERR_FILENO) {
1097 error_report("fd cannot be a standard I/O stream");
1102 * All fds inherited across exec() necessarily have FD_CLOEXEC
1103 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 flags = fcntl(fd, F_GETFD);
1106 if (flags == -1 || (flags & FD_CLOEXEC)) {
1107 error_report("fd is not valid or already in use");
1112 error_report("set option is required and must be non-negative");
1116 #ifdef F_DUPFD_CLOEXEC
1117 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1121 qemu_set_cloexec(dupfd);
1125 error_report("error duplicating fd: %s", strerror(errno));
1129 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1130 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1137 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1141 fd = qemu_opt_get_number(opts, "fd", -1);
1148 /***********************************************************/
1149 /* QEMU Block devices */
1151 #define HD_OPTS "media=disk"
1152 #define CDROM_OPTS "media=cdrom"
1154 #define PFLASH_OPTS ""
1158 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 BlockInterfaceType *block_default_type = opaque;
1162 return drive_new(opts, *block_default_type) == NULL;
1165 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 if (qemu_opt_get(opts, "snapshot") == NULL) {
1168 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1174 int index, const char *optstr)
1179 if (!enable || drive_get_by_index(type, index)) {
1183 opts = drive_add(type, index, NULL, optstr);
1185 drive_enable_snapshot(NULL, opts, NULL);
1188 dinfo = drive_new(opts, type);
1192 dinfo->is_default = true;
1196 static QemuOptsList qemu_smp_opts = {
1198 .implied_opt_name = "cpus",
1199 .merge_lists = true,
1200 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1204 .type = QEMU_OPT_NUMBER,
1207 .type = QEMU_OPT_NUMBER,
1210 .type = QEMU_OPT_NUMBER,
1213 .type = QEMU_OPT_NUMBER,
1216 .type = QEMU_OPT_NUMBER,
1218 { /*End of list */ }
1222 static void smp_parse(QemuOpts *opts)
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1237 cpus = cores * threads * sockets;
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 } else if (threads == 0) {
1243 threads = cpus / (cores * sockets);
1244 } else if (sockets * cores * threads < cpus) {
1245 error_report("cpu topology: "
1246 "sockets (%u) * cores (%u) * threads (%u) < "
1248 sockets, cores, threads, cpus);
1252 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1257 sockets, cores, threads, max_cpus);
1262 smp_cores = cores > 0 ? cores : 1;
1263 smp_threads = threads > 0 ? threads : 1;
1267 if (max_cpus == 0) {
1268 max_cpus = smp_cpus;
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1275 if (max_cpus < smp_cpus) {
1276 error_report("maxcpus must be equal to or greater than smp");
1280 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1281 Error *blocker = NULL;
1282 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1283 replay_add_blocker(blocker);
1287 static void realtime_init(void)
1290 if (os_mlock() < 0) {
1291 error_report("locking memory failed");
1298 static void configure_msg(QemuOpts *opts)
1300 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1303 /***********************************************************/
1306 typedef struct SemihostingConfig {
1308 SemihostingTarget target;
1311 const char *cmdline; /* concatenated argv */
1312 } SemihostingConfig;
1314 static SemihostingConfig semihosting;
1316 bool semihosting_enabled(void)
1318 return semihosting.enabled;
1321 SemihostingTarget semihosting_get_target(void)
1323 return semihosting.target;
1326 const char *semihosting_get_arg(int i)
1328 if (i >= semihosting.argc) {
1331 return semihosting.argv[i];
1334 int semihosting_get_argc(void)
1336 return semihosting.argc;
1339 const char *semihosting_get_cmdline(void)
1341 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1342 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 return semihosting.cmdline;
1347 static int add_semihosting_arg(void *opaque,
1348 const char *name, const char *val,
1351 SemihostingConfig *s = opaque;
1352 if (strcmp(name, "arg") == 0) {
1354 /* one extra element as g_strjoinv() expects NULL-terminated array */
1355 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1356 s->argv[s->argc - 1] = val;
1357 s->argv[s->argc] = NULL;
1362 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1363 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1368 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370 /* split -append and initialize argv[1..n] */
1371 cmd_token = strtok(g_strdup(cmd), " ");
1373 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1374 cmd_token = strtok(NULL, " ");
1378 /* Now we still need this for compatibility with XEN. */
1379 bool has_igd_gfx_passthru;
1380 static void igd_gfx_passthru(void)
1382 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1385 /***********************************************************/
1388 static int usb_device_add(const char *devname)
1390 USBDevice *dev = NULL;
1391 #ifndef CONFIG_LINUX
1395 if (!usb_enabled()) {
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev = usbdevice_create(devname);
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname, "host:", &p)) {
1408 dev = usb_host_device_open(usb_bus_find(-1), p);
1418 static int usb_device_del(const char *devname)
1423 if (strstart(devname, "host:", &p)) {
1427 if (!usb_enabled()) {
1431 p = strchr(devname, '.');
1434 bus_num = strtoul(devname, NULL, 0);
1435 addr = strtoul(p + 1, NULL, 0);
1437 return usb_device_delete_addr(bus_num, addr);
1440 static int usb_parse(const char *cmdline)
1443 r = usb_device_add(cmdline);
1445 error_report("could not add USB device '%s'", cmdline);
1450 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1452 const char *devname = qdict_get_str(qdict, "devname");
1453 if (usb_device_add(devname) < 0) {
1454 error_report("could not add USB device '%s'", devname);
1458 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1460 const char *devname = qdict_get_str(qdict, "devname");
1461 if (usb_device_del(devname) < 0) {
1462 error_report("could not delete USB device '%s'", devname);
1466 /***********************************************************/
1467 /* machine registration */
1469 MachineState *current_machine;
1471 static MachineClass *find_machine(const char *name)
1473 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1474 MachineClass *mc = NULL;
1476 for (el = machines; el; el = el->next) {
1477 MachineClass *temp = el->data;
1479 if (!strcmp(temp->name, name)) {
1484 !strcmp(temp->alias, name)) {
1490 g_slist_free(machines);
1494 MachineClass *find_default_machine(void)
1496 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1497 MachineClass *mc = NULL;
1499 for (el = machines; el; el = el->next) {
1500 MachineClass *temp = el->data;
1502 if (temp->is_default) {
1508 g_slist_free(machines);
1512 MachineInfoList *qmp_query_machines(Error **errp)
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineInfoList *mach_list = NULL;
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *mc = el->data;
1519 MachineInfoList *entry;
1522 info = g_malloc0(sizeof(*info));
1523 if (mc->is_default) {
1524 info->has_is_default = true;
1525 info->is_default = true;
1529 info->has_alias = true;
1530 info->alias = g_strdup(mc->alias);
1533 info->name = g_strdup(mc->name);
1534 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1536 entry = g_malloc0(sizeof(*entry));
1537 entry->value = info;
1538 entry->next = mach_list;
1542 g_slist_free(machines);
1546 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1548 ObjectProperty *prop;
1549 ObjectPropertyIterator iter;
1551 if (!qemu_opt_has_help_opt(opts)) {
1555 object_property_iter_init(&iter, OBJECT(machine));
1556 while ((prop = object_property_iter_next(&iter))) {
1561 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1562 prop->name, prop->type);
1563 if (prop->description) {
1564 error_printf(" (%s)\n", prop->description);
1573 /***********************************************************/
1574 /* main execution loop */
1576 struct vm_change_state_entry {
1577 VMChangeStateHandler *cb;
1579 QLIST_ENTRY (vm_change_state_entry) entries;
1582 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1584 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1587 VMChangeStateEntry *e;
1589 e = g_malloc0(sizeof (*e));
1593 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1597 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1599 QLIST_REMOVE (e, entries);
1603 void vm_state_notify(int running, RunState state)
1605 VMChangeStateEntry *e, *next;
1607 trace_vm_state_notify(running, state);
1609 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1610 e->cb(e->opaque, running, state);
1614 /* reset/shutdown handler */
1616 typedef struct QEMUResetEntry {
1617 QTAILQ_ENTRY(QEMUResetEntry) entry;
1618 QEMUResetHandler *func;
1622 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1623 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1624 static int reset_requested;
1625 static int shutdown_requested, shutdown_signal = -1;
1626 static pid_t shutdown_pid;
1627 static int powerdown_requested;
1628 static int debug_requested;
1629 static int suspend_requested;
1630 static WakeupReason wakeup_reason;
1631 static NotifierList powerdown_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1633 static NotifierList suspend_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1635 static NotifierList wakeup_notifiers =
1636 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1637 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1639 int qemu_shutdown_requested_get(void)
1641 return shutdown_requested;
1644 int qemu_reset_requested_get(void)
1646 return reset_requested;
1649 static int qemu_shutdown_requested(void)
1651 return atomic_xchg(&shutdown_requested, 0);
1654 static void qemu_kill_report(void)
1656 if (!qtest_driver() && shutdown_signal != -1) {
1657 if (shutdown_pid == 0) {
1658 /* This happens for eg ^C at the terminal, so it's worth
1659 * avoiding printing an odd message in that case.
1661 error_report("terminating on signal %d", shutdown_signal);
1663 error_report("terminating on signal %d from pid " FMT_pid,
1664 shutdown_signal, shutdown_pid);
1666 shutdown_signal = -1;
1670 static int qemu_reset_requested(void)
1672 int r = reset_requested;
1673 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1674 reset_requested = 0;
1680 static int qemu_suspend_requested(void)
1682 int r = suspend_requested;
1683 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1684 suspend_requested = 0;
1690 static WakeupReason qemu_wakeup_requested(void)
1692 return wakeup_reason;
1695 static int qemu_powerdown_requested(void)
1697 int r = powerdown_requested;
1698 powerdown_requested = 0;
1702 static int qemu_debug_requested(void)
1704 int r = debug_requested;
1705 debug_requested = 0;
1709 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1711 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1714 re->opaque = opaque;
1715 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1718 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1722 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1723 if (re->func == func && re->opaque == opaque) {
1724 QTAILQ_REMOVE(&reset_handlers, re, entry);
1731 void qemu_devices_reset(void)
1733 QEMUResetEntry *re, *nre;
1735 /* reset all devices */
1736 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1737 re->func(re->opaque);
1741 void qemu_system_reset(bool report)
1745 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1747 cpu_synchronize_all_states();
1749 if (mc && mc->reset) {
1752 qemu_devices_reset();
1755 qapi_event_send_reset(&error_abort);
1757 cpu_synchronize_all_post_reset();
1760 void qemu_system_guest_panicked(void)
1763 current_cpu->crash_occurred = true;
1765 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1766 vm_stop(RUN_STATE_GUEST_PANICKED);
1769 void qemu_system_reset_request(void)
1772 shutdown_requested = 1;
1774 reset_requested = 1;
1777 qemu_notify_event();
1780 static void qemu_system_suspend(void)
1783 notifier_list_notify(&suspend_notifiers, NULL);
1784 runstate_set(RUN_STATE_SUSPENDED);
1785 qapi_event_send_suspend(&error_abort);
1788 void qemu_system_suspend_request(void)
1790 if (runstate_check(RUN_STATE_SUSPENDED)) {
1793 suspend_requested = 1;
1795 qemu_notify_event();
1798 void qemu_register_suspend_notifier(Notifier *notifier)
1800 notifier_list_add(&suspend_notifiers, notifier);
1803 void qemu_system_wakeup_request(WakeupReason reason)
1805 trace_system_wakeup_request(reason);
1807 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1810 if (!(wakeup_reason_mask & (1 << reason))) {
1813 runstate_set(RUN_STATE_RUNNING);
1814 wakeup_reason = reason;
1815 qemu_notify_event();
1818 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1821 wakeup_reason_mask |= (1 << reason);
1823 wakeup_reason_mask &= ~(1 << reason);
1827 void qemu_register_wakeup_notifier(Notifier *notifier)
1829 notifier_list_add(&wakeup_notifiers, notifier);
1832 void qemu_system_killed(int signal, pid_t pid)
1834 shutdown_signal = signal;
1838 /* Cannot call qemu_system_shutdown_request directly because
1839 * we are in a signal handler.
1841 shutdown_requested = 1;
1842 qemu_notify_event();
1845 void qemu_system_shutdown_request(void)
1847 trace_qemu_system_shutdown_request();
1848 replay_shutdown_request();
1849 shutdown_requested = 1;
1850 qemu_notify_event();
1853 static void qemu_system_powerdown(void)
1855 qapi_event_send_powerdown(&error_abort);
1856 notifier_list_notify(&powerdown_notifiers, NULL);
1859 void qemu_system_powerdown_request(void)
1861 trace_qemu_system_powerdown_request();
1862 powerdown_requested = 1;
1863 qemu_notify_event();
1866 void qemu_register_powerdown_notifier(Notifier *notifier)
1868 notifier_list_add(&powerdown_notifiers, notifier);
1871 void qemu_system_debug_request(void)
1873 debug_requested = 1;
1874 qemu_notify_event();
1877 static bool main_loop_should_exit(void)
1880 if (qemu_debug_requested()) {
1881 vm_stop(RUN_STATE_DEBUG);
1883 if (qemu_suspend_requested()) {
1884 qemu_system_suspend();
1886 if (qemu_shutdown_requested()) {
1888 qapi_event_send_shutdown(&error_abort);
1890 vm_stop(RUN_STATE_SHUTDOWN);
1895 if (qemu_reset_requested()) {
1897 qemu_system_reset(VMRESET_REPORT);
1899 if (!runstate_check(RUN_STATE_RUNNING) &&
1900 !runstate_check(RUN_STATE_INMIGRATE)) {
1901 runstate_set(RUN_STATE_PRELAUNCH);
1904 if (qemu_wakeup_requested()) {
1906 qemu_system_reset(VMRESET_SILENT);
1907 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1908 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1910 qapi_event_send_wakeup(&error_abort);
1912 if (qemu_powerdown_requested()) {
1913 qemu_system_powerdown();
1915 if (qemu_vmstop_requested(&r)) {
1921 static void main_loop(void)
1925 #ifdef CONFIG_PROFILER
1929 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1930 #ifdef CONFIG_PROFILER
1931 ti = profile_getclock();
1933 last_io = main_loop_wait(nonblocking);
1934 #ifdef CONFIG_PROFILER
1935 dev_time += profile_getclock() - ti;
1937 } while (!main_loop_should_exit());
1940 static void version(void)
1942 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1945 static void help(int exitcode)
1948 printf("usage: %s [options] [disk_image]\n\n"
1949 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1950 error_get_progname());
1952 #define QEMU_OPTIONS_GENERATE_HELP
1953 #include "qemu-options-wrapper.h"
1955 printf("\nDuring emulation, the following keys are useful:\n"
1956 "ctrl-alt-f toggle full screen\n"
1957 "ctrl-alt-n switch to virtual console 'n'\n"
1958 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1965 #define HAS_ARG 0x0001
1967 typedef struct QEMUOption {
1974 static const QEMUOption qemu_options[] = {
1975 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1976 #define QEMU_OPTIONS_GENERATE_OPTIONS
1977 #include "qemu-options-wrapper.h"
1981 typedef struct VGAInterfaceInfo {
1982 const char *opt_name; /* option name */
1983 const char *name; /* human-readable name */
1984 /* Class names indicating that support is available.
1985 * If no class is specified, the interface is always available */
1986 const char *class_names[2];
1989 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1995 .name = "standard VGA",
1996 .class_names = { "VGA", "isa-vga" },
1999 .opt_name = "cirrus",
2000 .name = "Cirrus VGA",
2001 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2004 .opt_name = "vmware",
2005 .name = "VMWare SVGA",
2006 .class_names = { "vmware-svga" },
2009 .opt_name = "virtio",
2010 .name = "Virtio VGA",
2011 .class_names = { "virtio-vga" },
2016 .class_names = { "qxl-vga" },
2020 .name = "TCX framebuffer",
2021 .class_names = { "SUNW,tcx" },
2025 .name = "CG3 framebuffer",
2026 .class_names = { "cgthree" },
2029 .opt_name = "xenfb",
2033 static bool vga_interface_available(VGAInterfaceType t)
2035 VGAInterfaceInfo *ti = &vga_interfaces[t];
2037 assert(t < VGA_TYPE_MAX);
2038 return !ti->class_names[0] ||
2039 object_class_by_name(ti->class_names[0]) ||
2040 object_class_by_name(ti->class_names[1]);
2043 static void select_vgahw(const char *p)
2048 assert(vga_interface_type == VGA_NONE);
2049 for (t = 0; t < VGA_TYPE_MAX; t++) {
2050 VGAInterfaceInfo *ti = &vga_interfaces[t];
2051 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2052 if (!vga_interface_available(t)) {
2053 error_report("%s not available", ti->name);
2056 vga_interface_type = t;
2060 if (t == VGA_TYPE_MAX) {
2062 error_report("unknown vga type: %s", p);
2066 const char *nextopt;
2068 if (strstart(opts, ",retrace=", &nextopt)) {
2070 if (strstart(opts, "dumb", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_DUMB;
2072 else if (strstart(opts, "precise", &nextopt))
2073 vga_retrace_method = VGA_RETRACE_PRECISE;
2074 else goto invalid_vga;
2075 } else goto invalid_vga;
2080 static DisplayType select_display(const char *p)
2083 DisplayType display = DT_DEFAULT;
2085 if (strstart(p, "sdl", &opts)) {
2089 const char *nextopt;
2091 if (strstart(opts, ",frame=", &nextopt)) {
2093 if (strstart(opts, "on", &nextopt)) {
2095 } else if (strstart(opts, "off", &nextopt)) {
2098 goto invalid_sdl_args;
2100 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2102 if (strstart(opts, "on", &nextopt)) {
2104 } else if (strstart(opts, "off", &nextopt)) {
2107 goto invalid_sdl_args;
2109 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2111 if (strstart(opts, "on", &nextopt)) {
2113 } else if (strstart(opts, "off", &nextopt)) {
2116 goto invalid_sdl_args;
2118 } else if (strstart(opts, ",window_close=", &nextopt)) {
2120 if (strstart(opts, "on", &nextopt)) {
2122 } else if (strstart(opts, "off", &nextopt)) {
2125 goto invalid_sdl_args;
2127 } else if (strstart(opts, ",gl=", &nextopt)) {
2129 if (strstart(opts, "on", &nextopt)) {
2131 } else if (strstart(opts, "off", &nextopt)) {
2134 goto invalid_sdl_args;
2138 error_report("invalid SDL option string");
2144 error_report("SDL support is disabled");
2147 } else if (strstart(p, "vnc", &opts)) {
2150 if (vnc_parse(opts + 1, &err) == NULL) {
2151 error_report_err(err);
2155 error_report("VNC requires a display argument vnc=<display>");
2158 } else if (strstart(p, "curses", &opts)) {
2159 #ifdef CONFIG_CURSES
2160 display = DT_CURSES;
2162 error_report("curses support is disabled");
2165 } else if (strstart(p, "gtk", &opts)) {
2169 const char *nextopt;
2171 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 if (strstart(opts, "on", &nextopt)) {
2174 grab_on_hover = true;
2175 } else if (strstart(opts, "off", &nextopt)) {
2176 grab_on_hover = false;
2178 goto invalid_gtk_args;
2180 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 if (strstart(opts, "on", &nextopt)) {
2184 } else if (strstart(opts, "off", &nextopt)) {
2187 goto invalid_gtk_args;
2191 error_report("invalid GTK option string");
2197 error_report("GTK support is disabled");
2200 } else if (strstart(p, "none", &opts)) {
2203 error_report("unknown display type");
2210 static int balloon_parse(const char *arg)
2214 if (strcmp(arg, "none") == 0) {
2218 if (!strncmp(arg, "virtio", 6)) {
2219 if (arg[6] == ',') {
2220 /* have params -> parse them */
2221 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2226 /* create empty opts */
2227 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2230 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2237 char *qemu_find_file(int type, const char *name)
2243 /* Try the name as a straight path first */
2244 if (access(name, R_OK) == 0) {
2245 trace_load_file(name, name);
2246 return g_strdup(name);
2250 case QEMU_FILE_TYPE_BIOS:
2253 case QEMU_FILE_TYPE_KEYMAP:
2254 subdir = "keymaps/";
2260 for (i = 0; i < data_dir_idx; i++) {
2261 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2262 if (access(buf, R_OK) == 0) {
2263 trace_load_file(name, buf);
2271 static inline bool nonempty_str(const char *str)
2276 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2280 const char *name, *file, *str;
2281 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2283 if (fw_cfg == NULL) {
2284 error_report("fw_cfg device not available");
2287 name = qemu_opt_get(opts, "name");
2288 file = qemu_opt_get(opts, "file");
2289 str = qemu_opt_get(opts, "string");
2291 /* we need name and either a file or the content string */
2292 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2293 error_report("invalid argument(s)");
2296 if (nonempty_str(file) && nonempty_str(str)) {
2297 error_report("file and string are mutually exclusive");
2300 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2301 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2304 if (strncmp(name, "opt/", 4) != 0) {
2305 error_report("warning: externally provided fw_cfg item names "
2306 "should be prefixed with \"opt/\"");
2308 if (nonempty_str(str)) {
2309 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2310 buf = g_memdup(str, size);
2312 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2313 error_report("can't load %s", file);
2317 /* For legacy, keep user files in a specific global order. */
2318 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2319 fw_cfg_add_file(fw_cfg, name, buf, size);
2320 fw_cfg_reset_order_override(fw_cfg);
2324 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2326 return qdev_device_help(opts);
2329 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2334 dev = qdev_device_add(opts, &err);
2336 error_report_err(err);
2339 object_unref(OBJECT(dev));
2343 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 Error *local_err = NULL;
2347 qemu_chr_new_from_opts(opts, NULL, &local_err);
2349 error_report_err(local_err);
2355 #ifdef CONFIG_VIRTFS
2356 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2359 ret = qemu_fsdev_add(opts);
2365 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 CharDriverState *chr;
2368 const char *chardev;
2372 mode = qemu_opt_get(opts, "mode");
2376 if (strcmp(mode, "readline") == 0) {
2377 flags = MONITOR_USE_READLINE;
2378 } else if (strcmp(mode, "control") == 0) {
2379 flags = MONITOR_USE_CONTROL;
2381 error_report("unknown monitor mode \"%s\"", mode);
2385 if (qemu_opt_get_bool(opts, "pretty", 0))
2386 flags |= MONITOR_USE_PRETTY;
2388 if (qemu_opt_get_bool(opts, "default", 0))
2389 flags |= MONITOR_IS_DEFAULT;
2391 chardev = qemu_opt_get(opts, "chardev");
2392 chr = qemu_chr_find(chardev);
2394 error_report("chardev \"%s\" not found", chardev);
2398 qemu_chr_fe_claim_no_fail(chr);
2399 monitor_init(chr, flags);
2403 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 static int monitor_device_index = 0;
2406 Error *local_err = NULL;
2412 if (strstart(optarg, "chardev:", &p)) {
2413 snprintf(label, sizeof(label), "%s", p);
2415 snprintf(label, sizeof(label), "compat_monitor%d",
2416 monitor_device_index);
2417 if (monitor_device_index == 0) {
2420 opts = qemu_chr_parse_compat(label, optarg);
2422 error_report("parse error: %s", optarg);
2427 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2429 error_report_err(local_err);
2432 qemu_opt_set(opts, "mode", mode, &error_abort);
2433 qemu_opt_set(opts, "chardev", label, &error_abort);
2434 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2436 qemu_opt_set(opts, "default", "on", &error_abort);
2437 monitor_device_index++;
2440 struct device_config {
2442 DEV_USB, /* -usbdevice */
2444 DEV_SERIAL, /* -serial */
2445 DEV_PARALLEL, /* -parallel */
2446 DEV_VIRTCON, /* -virtioconsole */
2447 DEV_DEBUGCON, /* -debugcon */
2448 DEV_GDB, /* -gdb, -s */
2449 DEV_SCLP, /* s390 sclp */
2451 const char *cmdline;
2453 QTAILQ_ENTRY(device_config) next;
2456 static QTAILQ_HEAD(, device_config) device_configs =
2457 QTAILQ_HEAD_INITIALIZER(device_configs);
2459 static void add_device_config(int type, const char *cmdline)
2461 struct device_config *conf;
2463 conf = g_malloc0(sizeof(*conf));
2465 conf->cmdline = cmdline;
2466 loc_save(&conf->loc);
2467 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2470 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2472 struct device_config *conf;
2475 QTAILQ_FOREACH(conf, &device_configs, next) {
2476 if (conf->type != type)
2478 loc_push_restore(&conf->loc);
2479 rc = func(conf->cmdline);
2480 loc_pop(&conf->loc);
2488 static int serial_parse(const char *devname)
2490 static int index = 0;
2493 if (strcmp(devname, "none") == 0)
2495 if (index == MAX_SERIAL_PORTS) {
2496 error_report("too many serial ports");
2499 snprintf(label, sizeof(label), "serial%d", index);
2500 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2501 if (!serial_hds[index]) {
2502 error_report("could not connect serial device"
2503 " to character backend '%s'", devname);
2510 static int parallel_parse(const char *devname)
2512 static int index = 0;
2515 if (strcmp(devname, "none") == 0)
2517 if (index == MAX_PARALLEL_PORTS) {
2518 error_report("too many parallel ports");
2521 snprintf(label, sizeof(label), "parallel%d", index);
2522 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2523 if (!parallel_hds[index]) {
2524 error_report("could not connect parallel device"
2525 " to character backend '%s'", devname);
2532 static int virtcon_parse(const char *devname)
2534 QemuOptsList *device = qemu_find_opts("device");
2535 static int index = 0;
2537 QemuOpts *bus_opts, *dev_opts;
2539 if (strcmp(devname, "none") == 0)
2541 if (index == MAX_VIRTIO_CONSOLES) {
2542 error_report("too many virtio consoles");
2546 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2547 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2549 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2550 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2552 snprintf(label, sizeof(label), "virtcon%d", index);
2553 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2554 if (!virtcon_hds[index]) {
2555 error_report("could not connect virtio console"
2556 " to character backend '%s'", devname);
2559 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2565 static int sclp_parse(const char *devname)
2567 QemuOptsList *device = qemu_find_opts("device");
2568 static int index = 0;
2572 if (strcmp(devname, "none") == 0) {
2575 if (index == MAX_SCLP_CONSOLES) {
2576 error_report("too many sclp consoles");
2580 assert(arch_type == QEMU_ARCH_S390X);
2582 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2583 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2585 snprintf(label, sizeof(label), "sclpcon%d", index);
2586 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2587 if (!sclp_hds[index]) {
2588 error_report("could not connect sclp console"
2589 " to character backend '%s'", devname);
2592 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2598 static int debugcon_parse(const char *devname)
2602 if (!qemu_chr_new("debugcon", devname, NULL)) {
2605 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2607 error_report("already have a debugcon device");
2610 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2611 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2615 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2617 const MachineClass *mc1 = a, *mc2 = b;
2620 if (mc1->family == NULL) {
2621 if (mc2->family == NULL) {
2622 /* Compare standalone machine types against each other; they sort
2623 * in increasing order.
2625 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2626 object_class_get_name(OBJECT_CLASS(mc2)));
2629 /* Standalone machine types sort after families. */
2633 if (mc2->family == NULL) {
2634 /* Families sort before standalone machine types. */
2638 /* Families sort between each other alphabetically increasingly. */
2639 res = strcmp(mc1->family, mc2->family);
2644 /* Within the same family, machine types sort in decreasing order. */
2645 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2646 object_class_get_name(OBJECT_CLASS(mc1)));
2649 static MachineClass *machine_parse(const char *name)
2651 MachineClass *mc = NULL;
2652 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2655 mc = find_machine(name);
2658 g_slist_free(machines);
2661 if (name && !is_help_option(name)) {
2662 error_report("unsupported machine type");
2663 error_printf("Use -machine help to list supported machines\n");
2665 printf("Supported machines are:\n");
2666 machines = g_slist_sort(machines, machine_class_cmp);
2667 for (el = machines; el; el = el->next) {
2668 MachineClass *mc = el->data;
2670 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2672 printf("%-20s %s%s\n", mc->name, mc->desc,
2673 mc->is_default ? " (default)" : "");
2677 g_slist_free(machines);
2678 exit(!name || !is_help_option(name));
2681 void qemu_add_exit_notifier(Notifier *notify)
2683 notifier_list_add(&exit_notifiers, notify);
2686 void qemu_remove_exit_notifier(Notifier *notify)
2688 notifier_remove(notify);
2691 static void qemu_run_exit_notifiers(void)
2693 notifier_list_notify(&exit_notifiers, NULL);
2696 static bool machine_init_done;
2698 void qemu_add_machine_init_done_notifier(Notifier *notify)
2700 notifier_list_add(&machine_init_done_notifiers, notify);
2701 if (machine_init_done) {
2702 notify->notify(notify, NULL);
2706 static void qemu_run_machine_init_done_notifiers(void)
2708 notifier_list_notify(&machine_init_done_notifiers, NULL);
2709 machine_init_done = true;
2712 static const QEMUOption *lookup_opt(int argc, char **argv,
2713 const char **poptarg, int *poptind)
2715 const QEMUOption *popt;
2716 int optind = *poptind;
2717 char *r = argv[optind];
2720 loc_set_cmdline(argv, optind, 1);
2722 /* Treat --foo the same as -foo. */
2725 popt = qemu_options;
2728 error_report("invalid option");
2731 if (!strcmp(popt->name, r + 1))
2735 if (popt->flags & HAS_ARG) {
2736 if (optind >= argc) {
2737 error_report("requires an argument");
2740 optarg = argv[optind++];
2741 loc_set_cmdline(argv, optind - 2, 2);
2752 static MachineClass *select_machine(void)
2754 MachineClass *machine_class = find_default_machine();
2759 loc_push_none(&loc);
2761 opts = qemu_get_machine_opts();
2762 qemu_opts_loc_restore(opts);
2764 optarg = qemu_opt_get(opts, "type");
2766 machine_class = machine_parse(optarg);
2769 if (!machine_class) {
2770 error_report("No machine specified, and there is no default");
2771 error_printf("Use -machine help to list supported machines\n");
2776 return machine_class;
2779 static int machine_set_property(void *opaque,
2780 const char *name, const char *value,
2783 Object *obj = OBJECT(opaque);
2784 Error *local_err = NULL;
2787 if (strcmp(name, "type") == 0) {
2791 qom_name = g_strdup(name);
2799 object_property_parse(obj, value, qom_name, &local_err);
2803 error_report_err(local_err);
2812 * Initial object creation happens before all other
2813 * QEMU data types are created. The majority of objects
2814 * can be created at this point. The rng-egd object
2815 * cannot be created here, as it depends on the chardev
2818 static bool object_create_initial(const char *type)
2820 if (g_str_equal(type, "rng-egd")) {
2825 * return false for concrete netfilters since
2826 * they depend on netdevs already existing
2828 if (g_str_equal(type, "filter-buffer") ||
2829 g_str_equal(type, "filter-dump") ||
2830 g_str_equal(type, "filter-mirror") ||
2831 g_str_equal(type, "filter-redirector")) {
2840 * The remainder of object creation happens after the
2841 * creation of chardev, fsdev, net clients and device data types.
2843 static bool object_create_delayed(const char *type)
2845 return !object_create_initial(type);
2849 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2853 const char *mem_str;
2854 const char *maxmem_str, *slots_str;
2855 const ram_addr_t default_ram_size = mc->default_ram_size;
2856 QemuOpts *opts = qemu_find_opts_singleton("memory");
2859 loc_push_none(&loc);
2860 qemu_opts_loc_restore(opts);
2863 mem_str = qemu_opt_get(opts, "size");
2866 error_report("missing 'size' option value");
2870 sz = qemu_opt_get_size(opts, "size", ram_size);
2872 /* Fix up legacy suffix-less format */
2873 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2874 uint64_t overflow_check = sz;
2877 if ((sz >> 20) != overflow_check) {
2878 error_report("too large 'size' option value");
2884 /* backward compatibility behaviour for case "-m 0" */
2886 sz = default_ram_size;
2889 sz = QEMU_ALIGN_UP(sz, 8192);
2891 if (ram_size != sz) {
2892 error_report("ram size too large");
2896 /* store value for the future use */
2897 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2898 *maxram_size = ram_size;
2900 maxmem_str = qemu_opt_get(opts, "maxmem");
2901 slots_str = qemu_opt_get(opts, "slots");
2902 if (maxmem_str && slots_str) {
2905 sz = qemu_opt_get_size(opts, "maxmem", 0);
2906 slots = qemu_opt_get_number(opts, "slots", 0);
2907 if (sz < ram_size) {
2908 error_report("invalid value of -m option maxmem: "
2909 "maximum memory size (0x%" PRIx64 ") must be at least "
2910 "the initial memory size (0x" RAM_ADDR_FMT ")",
2913 } else if (sz > ram_size) {
2915 error_report("invalid value of -m option: maxmem was "
2916 "specified, but no hotplug slots were specified");
2920 error_report("invalid value of -m option maxmem: "
2921 "memory slots were specified but maximum memory size "
2922 "(0x%" PRIx64 ") is equal to the initial memory size "
2923 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2929 } else if ((!maxmem_str && slots_str) ||
2930 (maxmem_str && !slots_str)) {
2931 error_report("invalid -m option value: missing "
2932 "'%s' option", slots_str ? "maxmem" : "slots");
2939 int main(int argc, char **argv, char **envp)
2942 int snapshot, linux_boot;
2943 const char *initrd_filename;
2944 const char *kernel_filename, *kernel_cmdline;
2945 const char *boot_order = NULL;
2946 const char *boot_once = NULL;
2948 int cyls, heads, secs, translation;
2949 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2950 QemuOptsList *olist;
2953 const char *loadvm = NULL;
2954 MachineClass *machine_class;
2955 const char *cpu_model;
2956 const char *vga_model = NULL;
2957 const char *qtest_chrdev = NULL;
2958 const char *qtest_log = NULL;
2959 const char *pid_file = NULL;
2960 const char *incoming = NULL;
2961 int show_vnc_port = 0;
2962 bool defconfig = true;
2963 bool userconfig = true;
2964 bool nographic = false;
2965 DisplayType display_type = DT_DEFAULT;
2966 const char *log_mask = NULL;
2967 const char *log_file = NULL;
2968 char *trace_file = NULL;
2969 ram_addr_t maxram_size;
2970 uint64_t ram_slots = 0;
2971 FILE *vmstate_dump_file = NULL;
2972 Error *main_loop_err = NULL;
2975 qemu_init_cpu_loop();
2976 qemu_mutex_lock_iothread();
2978 atexit(qemu_run_exit_notifiers);
2979 error_set_progname(argv[0]);
2980 qemu_init_exec_dir(argv[0]);
2982 module_call_init(MODULE_INIT_QOM);
2984 qemu_add_opts(&qemu_drive_opts);
2985 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2986 qemu_add_drive_opts(&qemu_common_drive_opts);
2987 qemu_add_drive_opts(&qemu_drive_opts);
2988 qemu_add_opts(&qemu_chardev_opts);
2989 qemu_add_opts(&qemu_device_opts);
2990 qemu_add_opts(&qemu_netdev_opts);
2991 qemu_add_opts(&qemu_net_opts);
2992 qemu_add_opts(&qemu_rtc_opts);
2993 qemu_add_opts(&qemu_global_opts);
2994 qemu_add_opts(&qemu_mon_opts);
2995 qemu_add_opts(&qemu_trace_opts);
2996 qemu_add_opts(&qemu_option_rom_opts);
2997 qemu_add_opts(&qemu_machine_opts);
2998 qemu_add_opts(&qemu_mem_opts);
2999 qemu_add_opts(&qemu_smp_opts);
3000 qemu_add_opts(&qemu_boot_opts);
3001 qemu_add_opts(&qemu_sandbox_opts);
3002 qemu_add_opts(&qemu_add_fd_opts);
3003 qemu_add_opts(&qemu_object_opts);
3004 qemu_add_opts(&qemu_tpmdev_opts);
3005 qemu_add_opts(&qemu_realtime_opts);
3006 qemu_add_opts(&qemu_msg_opts);
3007 qemu_add_opts(&qemu_name_opts);
3008 qemu_add_opts(&qemu_numa_opts);
3009 qemu_add_opts(&qemu_icount_opts);
3010 qemu_add_opts(&qemu_semihosting_config_opts);
3011 qemu_add_opts(&qemu_fw_cfg_opts);
3012 module_call_init(MODULE_INIT_OPTS);
3016 if (qcrypto_init(&err) < 0) {
3017 error_reportf_err(err, "cannot initialize crypto: ");
3020 rtc_clock = QEMU_CLOCK_HOST;
3022 QLIST_INIT (&vm_change_state_head);
3023 os_setup_early_signal_handling();
3027 cyls = heads = secs = 0;
3028 translation = BIOS_ATA_TRANSLATION_AUTO;
3032 bdrv_init_with_whitelist();
3036 /* first pass of option parsing */
3038 while (optind < argc) {
3039 if (argv[optind][0] != '-') {
3043 const QEMUOption *popt;
3045 popt = lookup_opt(argc, argv, &optarg, &optind);
3046 switch (popt->index) {
3047 case QEMU_OPTION_nodefconfig:
3050 case QEMU_OPTION_nouserconfig:
3059 ret = qemu_read_default_config_files(userconfig);
3065 /* second pass of option parsing */
3070 if (argv[optind][0] != '-') {
3071 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 const QEMUOption *popt;
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 if (!(popt->arch_mask & arch_type)) {
3077 printf("Option %s not supported for this target\n", popt->name);
3080 switch(popt->index) {
3081 case QEMU_OPTION_no_kvm_irqchip: {
3082 olist = qemu_find_opts("machine");
3083 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3086 case QEMU_OPTION_cpu:
3087 /* hw initialization will check this */
3090 case QEMU_OPTION_hda:
3094 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3096 snprintf(buf, sizeof(buf),
3097 "%s,cyls=%d,heads=%d,secs=%d%s",
3098 HD_OPTS , cyls, heads, secs,
3099 translation == BIOS_ATA_TRANSLATION_LBA ?
3101 translation == BIOS_ATA_TRANSLATION_NONE ?
3102 ",trans=none" : "");
3103 drive_add(IF_DEFAULT, 0, optarg, buf);
3106 case QEMU_OPTION_hdb:
3107 case QEMU_OPTION_hdc:
3108 case QEMU_OPTION_hdd:
3109 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3112 case QEMU_OPTION_drive:
3113 if (drive_def(optarg) == NULL) {
3117 case QEMU_OPTION_set:
3118 if (qemu_set_option(optarg) != 0)
3121 case QEMU_OPTION_global:
3122 if (qemu_global_option(optarg) != 0)
3125 case QEMU_OPTION_mtdblock:
3126 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3128 case QEMU_OPTION_sd:
3129 drive_add(IF_SD, -1, optarg, SD_OPTS);
3131 case QEMU_OPTION_pflash:
3132 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3134 case QEMU_OPTION_snapshot:
3137 case QEMU_OPTION_hdachs:
3141 cyls = strtol(p, (char **)&p, 0);
3142 if (cyls < 1 || cyls > 16383)
3147 heads = strtol(p, (char **)&p, 0);
3148 if (heads < 1 || heads > 16)
3153 secs = strtol(p, (char **)&p, 0);
3154 if (secs < 1 || secs > 63)
3158 if (!strcmp(p, "large")) {
3159 translation = BIOS_ATA_TRANSLATION_LARGE;
3160 } else if (!strcmp(p, "rechs")) {
3161 translation = BIOS_ATA_TRANSLATION_RECHS;
3162 } else if (!strcmp(p, "none")) {
3163 translation = BIOS_ATA_TRANSLATION_NONE;
3164 } else if (!strcmp(p, "lba")) {
3165 translation = BIOS_ATA_TRANSLATION_LBA;
3166 } else if (!strcmp(p, "auto")) {
3167 translation = BIOS_ATA_TRANSLATION_AUTO;
3171 } else if (*p != '\0') {
3173 error_report("invalid physical CHS format");
3176 if (hda_opts != NULL) {
3177 qemu_opt_set_number(hda_opts, "cyls", cyls,
3179 qemu_opt_set_number(hda_opts, "heads", heads,
3181 qemu_opt_set_number(hda_opts, "secs", secs,
3183 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3184 qemu_opt_set(hda_opts, "trans", "large",
3186 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3187 qemu_opt_set(hda_opts, "trans", "rechs",
3189 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3190 qemu_opt_set(hda_opts, "trans", "lba",
3192 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3193 qemu_opt_set(hda_opts, "trans", "none",
3199 case QEMU_OPTION_numa:
3200 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3206 case QEMU_OPTION_display:
3207 display_type = select_display(optarg);
3209 case QEMU_OPTION_nographic:
3210 olist = qemu_find_opts("machine");
3211 qemu_opts_parse_noisily(olist, "graphics=off", false);
3213 display_type = DT_NONE;
3215 case QEMU_OPTION_curses:
3216 #ifdef CONFIG_CURSES
3217 display_type = DT_CURSES;
3219 error_report("curses support is disabled");
3223 case QEMU_OPTION_portrait:
3224 graphic_rotate = 90;
3226 case QEMU_OPTION_rotate:
3227 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3228 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3229 graphic_rotate != 180 && graphic_rotate != 270) {
3230 error_report("only 90, 180, 270 deg rotation is available");
3234 case QEMU_OPTION_kernel:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3238 case QEMU_OPTION_initrd:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3242 case QEMU_OPTION_append:
3243 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3246 case QEMU_OPTION_dtb:
3247 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3250 case QEMU_OPTION_cdrom:
3251 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3253 case QEMU_OPTION_boot:
3254 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3260 case QEMU_OPTION_fda:
3261 case QEMU_OPTION_fdb:
3262 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3265 case QEMU_OPTION_no_fd_bootchk:
3268 case QEMU_OPTION_netdev:
3269 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3273 case QEMU_OPTION_net:
3274 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3278 #ifdef CONFIG_LIBISCSI
3279 case QEMU_OPTION_iscsi:
3280 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3288 case QEMU_OPTION_tftp:
3289 error_report("The -tftp option is deprecated. "
3290 "Please use '-netdev user,tftp=...' instead.");
3291 legacy_tftp_prefix = optarg;
3293 case QEMU_OPTION_bootp:
3294 error_report("The -bootp option is deprecated. "
3295 "Please use '-netdev user,bootfile=...' instead.");
3296 legacy_bootp_filename = optarg;
3298 case QEMU_OPTION_redir:
3299 error_report("The -redir option is deprecated. "
3300 "Please use '-netdev user,hostfwd=...' instead.");
3301 if (net_slirp_redir(optarg) < 0)
3305 case QEMU_OPTION_bt:
3306 add_device_config(DEV_BT, optarg);
3308 case QEMU_OPTION_audio_help:
3312 case QEMU_OPTION_soundhw:
3313 select_soundhw (optarg);
3318 case QEMU_OPTION_version:
3323 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3330 case QEMU_OPTION_tpmdev:
3331 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3336 case QEMU_OPTION_mempath:
3339 case QEMU_OPTION_mem_prealloc:
3348 case QEMU_OPTION_DFILTER:
3349 qemu_set_dfilter_ranges(optarg);
3352 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3354 case QEMU_OPTION_gdb:
3355 add_device_config(DEV_GDB, optarg);
3358 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3359 data_dir[data_dir_idx++] = optarg;
3362 case QEMU_OPTION_bios:
3363 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3366 case QEMU_OPTION_singlestep:
3373 keyboard_layout = optarg;
3375 case QEMU_OPTION_localtime:
3378 case QEMU_OPTION_vga:
3387 w = strtol(p, (char **)&p, 10);
3390 error_report("invalid resolution or depth");
3396 h = strtol(p, (char **)&p, 10);
3401 depth = strtol(p, (char **)&p, 10);
3402 if (depth != 8 && depth != 15 && depth != 16 &&
3403 depth != 24 && depth != 32)
3405 } else if (*p == '\0') {
3406 depth = graphic_depth;
3413 graphic_depth = depth;
3416 case QEMU_OPTION_echr:
3419 term_escape_char = strtol(optarg, &r, 0);
3421 printf("Bad argument to echr\n");
3424 case QEMU_OPTION_monitor:
3425 default_monitor = 0;
3426 if (strncmp(optarg, "none", 4)) {
3427 monitor_parse(optarg, "readline", false);
3430 case QEMU_OPTION_qmp:
3431 monitor_parse(optarg, "control", false);
3432 default_monitor = 0;
3434 case QEMU_OPTION_qmp_pretty:
3435 monitor_parse(optarg, "control", true);
3436 default_monitor = 0;
3438 case QEMU_OPTION_mon:
3439 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3444 default_monitor = 0;
3446 case QEMU_OPTION_chardev:
3447 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3453 case QEMU_OPTION_fsdev:
3454 olist = qemu_find_opts("fsdev");
3456 error_report("fsdev support is disabled");
3459 opts = qemu_opts_parse_noisily(olist, optarg, true);
3464 case QEMU_OPTION_virtfs: {
3467 const char *writeout, *sock_fd, *socket;
3469 olist = qemu_find_opts("virtfs");
3471 error_report("virtfs support is disabled");
3474 opts = qemu_opts_parse_noisily(olist, optarg, true);
3479 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3480 qemu_opt_get(opts, "mount_tag") == NULL) {
3481 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3484 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3485 qemu_opt_get(opts, "mount_tag"),
3488 error_report("duplicate fsdev id: %s",
3489 qemu_opt_get(opts, "mount_tag"));
3493 writeout = qemu_opt_get(opts, "writeout");
3495 #ifdef CONFIG_SYNC_FILE_RANGE
3496 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3498 error_report("writeout=immediate not supported "
3499 "on this platform");
3503 qemu_opt_set(fsdev, "fsdriver",
3504 qemu_opt_get(opts, "fsdriver"), &error_abort);
3505 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3507 qemu_opt_set(fsdev, "security_model",
3508 qemu_opt_get(opts, "security_model"),
3510 socket = qemu_opt_get(opts, "socket");
3512 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3514 sock_fd = qemu_opt_get(opts, "sock_fd");
3516 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3519 qemu_opt_set_bool(fsdev, "readonly",
3520 qemu_opt_get_bool(opts, "readonly", 0),
3522 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3524 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3525 qemu_opt_set(device, "fsdev",
3526 qemu_opt_get(opts, "mount_tag"), &error_abort);
3527 qemu_opt_set(device, "mount_tag",
3528 qemu_opt_get(opts, "mount_tag"), &error_abort);
3531 case QEMU_OPTION_virtfs_synth: {
3535 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3538 error_report("duplicate option: %s", "virtfs_synth");
3541 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3543 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3545 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3546 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3547 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3550 case QEMU_OPTION_serial:
3551 add_device_config(DEV_SERIAL, optarg);
3553 if (strncmp(optarg, "mon:", 4) == 0) {
3554 default_monitor = 0;
3557 case QEMU_OPTION_watchdog:
3559 error_report("only one watchdog option may be given");
3564 case QEMU_OPTION_watchdog_action:
3565 if (select_watchdog_action(optarg) == -1) {
3566 error_report("unknown -watchdog-action parameter");
3570 case QEMU_OPTION_virtiocon:
3571 add_device_config(DEV_VIRTCON, optarg);
3572 default_virtcon = 0;
3573 if (strncmp(optarg, "mon:", 4) == 0) {
3574 default_monitor = 0;
3577 case QEMU_OPTION_parallel:
3578 add_device_config(DEV_PARALLEL, optarg);
3579 default_parallel = 0;
3580 if (strncmp(optarg, "mon:", 4) == 0) {
3581 default_monitor = 0;
3584 case QEMU_OPTION_debugcon:
3585 add_device_config(DEV_DEBUGCON, optarg);
3587 case QEMU_OPTION_loadvm:
3590 case QEMU_OPTION_full_screen:
3593 case QEMU_OPTION_no_frame:
3596 case QEMU_OPTION_alt_grab:
3599 case QEMU_OPTION_ctrl_grab:
3602 case QEMU_OPTION_no_quit:
3605 case QEMU_OPTION_sdl:
3607 display_type = DT_SDL;
3610 error_report("SDL support is disabled");
3613 case QEMU_OPTION_pidfile:
3616 case QEMU_OPTION_win2k_hack:
3617 win2k_install_hack = 1;
3619 case QEMU_OPTION_rtc_td_hack: {
3620 static GlobalProperty slew_lost_ticks[] = {
3622 .driver = "mc146818rtc",
3623 .property = "lost_tick_policy",
3626 { /* end of list */ }
3629 qdev_prop_register_global_list(slew_lost_ticks);
3632 case QEMU_OPTION_acpitable:
3633 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3638 do_acpitable_option(opts);
3640 case QEMU_OPTION_smbios:
3641 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3646 do_smbios_option(opts);
3648 case QEMU_OPTION_fwcfg:
3649 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3655 case QEMU_OPTION_enable_kvm:
3656 olist = qemu_find_opts("machine");
3657 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3660 case QEMU_OPTION_machine:
3661 olist = qemu_find_opts("machine");
3662 opts = qemu_opts_parse_noisily(olist, optarg, true);
3667 case QEMU_OPTION_no_kvm:
3668 olist = qemu_find_opts("machine");
3669 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3671 case QEMU_OPTION_no_kvm_pit: {
3672 error_report("warning: ignoring deprecated option");
3675 case QEMU_OPTION_no_kvm_pit_reinjection: {
3676 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3678 .driver = "kvm-pit",
3679 .property = "lost_tick_policy",
3682 { /* end of list */ }
3685 error_report("warning: deprecated, replaced by "
3686 "-global kvm-pit.lost_tick_policy=discard");
3687 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3690 case QEMU_OPTION_usb:
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist, "usb=on", false);
3694 case QEMU_OPTION_usbdevice:
3695 olist = qemu_find_opts("machine");
3696 qemu_opts_parse_noisily(olist, "usb=on", false);
3697 add_device_config(DEV_USB, optarg);
3699 case QEMU_OPTION_device:
3700 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3705 case QEMU_OPTION_smp:
3706 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3711 case QEMU_OPTION_vnc:
3713 Error *local_err = NULL;
3715 if (vnc_parse(optarg, &local_err) == NULL) {
3716 error_report_err(local_err);
3721 case QEMU_OPTION_no_acpi:
3724 case QEMU_OPTION_no_hpet:
3727 case QEMU_OPTION_balloon:
3728 if (balloon_parse(optarg) < 0) {
3729 error_report("unknown -balloon argument %s", optarg);
3733 case QEMU_OPTION_no_reboot:
3736 case QEMU_OPTION_no_shutdown:
3739 case QEMU_OPTION_show_cursor:
3742 case QEMU_OPTION_uuid:
3743 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3744 error_report("failed to parse UUID string: wrong format");
3747 qemu_uuid_set = true;
3749 case QEMU_OPTION_option_rom:
3750 if (nb_option_roms >= MAX_OPTION_ROMS) {
3751 error_report("too many option ROMs");
3754 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3759 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3760 option_rom[nb_option_roms].bootindex =
3761 qemu_opt_get_number(opts, "bootindex", -1);
3762 if (!option_rom[nb_option_roms].name) {
3763 error_report("Option ROM file is not specified");
3768 case QEMU_OPTION_semihosting:
3769 semihosting.enabled = true;
3770 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 case QEMU_OPTION_semihosting_config:
3773 semihosting.enabled = true;
3774 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3777 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3779 const char *target = qemu_opt_get(opts, "target");
3780 if (target != NULL) {
3781 if (strcmp("native", target) == 0) {
3782 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3783 } else if (strcmp("gdb", target) == 0) {
3784 semihosting.target = SEMIHOSTING_TARGET_GDB;
3785 } else if (strcmp("auto", target) == 0) {
3786 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3788 error_report("unsupported semihosting-config %s",
3793 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3795 /* Set semihosting argument count and vector */
3796 qemu_opt_foreach(opts, add_semihosting_arg,
3797 &semihosting, NULL);
3799 error_report("unsupported semihosting-config %s", optarg);
3803 case QEMU_OPTION_tdf:
3804 error_report("warning: ignoring deprecated option");
3806 case QEMU_OPTION_name:
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3813 case QEMU_OPTION_prom_env:
3814 if (nb_prom_envs >= MAX_PROM_ENVS) {
3815 error_report("too many prom variables");
3818 prom_envs[nb_prom_envs] = optarg;
3821 case QEMU_OPTION_old_param:
3824 case QEMU_OPTION_clock:
3825 /* Clock options no longer exist. Keep this option for
3826 * backward compatibility.
3829 case QEMU_OPTION_startdate:
3830 configure_rtc_date_offset(optarg, 1);
3832 case QEMU_OPTION_rtc:
3833 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3838 configure_rtc(opts);
3840 case QEMU_OPTION_tb_size:
3841 tcg_tb_size = strtol(optarg, NULL, 0);
3842 if (tcg_tb_size < 0) {
3846 case QEMU_OPTION_icount:
3847 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3853 case QEMU_OPTION_incoming:
3855 runstate_set(RUN_STATE_INMIGRATE);
3859 case QEMU_OPTION_nodefaults:
3862 case QEMU_OPTION_xen_domid:
3863 if (!(xen_available())) {
3864 printf("Option %s not supported for this target\n", popt->name);
3867 xen_domid = atoi(optarg);
3869 case QEMU_OPTION_xen_create:
3870 if (!(xen_available())) {
3871 printf("Option %s not supported for this target\n", popt->name);
3874 xen_mode = XEN_CREATE;
3876 case QEMU_OPTION_xen_attach:
3877 if (!(xen_available())) {
3878 printf("Option %s not supported for this target\n", popt->name);
3881 xen_mode = XEN_ATTACH;
3883 case QEMU_OPTION_trace:
3885 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3890 if (qemu_opt_get(opts, "enable")) {
3891 trace_enable_events(qemu_opt_get(opts, "enable"));
3893 trace_init_events(qemu_opt_get(opts, "events"));
3897 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3898 qemu_opts_del(opts);
3901 case QEMU_OPTION_readconfig:
3903 int ret = qemu_read_config_file(optarg);
3905 error_report("read config %s: %s", optarg,
3911 case QEMU_OPTION_spice:
3912 olist = qemu_find_opts("spice");
3914 error_report("spice support is disabled");
3917 opts = qemu_opts_parse_noisily(olist, optarg, false);
3923 case QEMU_OPTION_writeconfig:
3926 if (strcmp(optarg, "-") == 0) {
3929 fp = fopen(optarg, "w");
3931 error_report("open %s: %s", optarg,
3936 qemu_config_write(fp);
3942 case QEMU_OPTION_qtest:
3943 qtest_chrdev = optarg;
3945 case QEMU_OPTION_qtest_log:
3948 case QEMU_OPTION_sandbox:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3955 case QEMU_OPTION_add_fd:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3963 error_report("File descriptor passing is disabled on this "
3968 case QEMU_OPTION_object:
3969 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3975 case QEMU_OPTION_realtime:
3976 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3981 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3983 case QEMU_OPTION_msg:
3984 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3989 configure_msg(opts);
3991 case QEMU_OPTION_dump_vmstate:
3992 if (vmstate_dump_file) {
3993 error_report("only one '-dump-vmstate' "
3994 "option may be given");
3997 vmstate_dump_file = fopen(optarg, "w");
3998 if (vmstate_dump_file == NULL) {
3999 error_report("open %s: %s", optarg, strerror(errno));
4004 os_parse_cmd_args(popt->index, optarg);
4009 * Clear error location left behind by the loop.
4010 * Best done right after the loop. Do not insert code here!
4014 replay_configure(icount_opts);
4016 machine_class = select_machine();
4018 set_memory_options(&ram_slots, &maxram_size, machine_class);
4022 if (qemu_init_main_loop(&main_loop_err)) {
4023 error_report_err(main_loop_err);
4027 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4028 parse_sandbox, NULL, NULL)) {
4032 if (qemu_opts_foreach(qemu_find_opts("name"),
4033 parse_name, NULL, NULL)) {
4038 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4039 parse_add_fd, NULL, NULL)) {
4043 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4044 cleanup_add_fd, NULL, NULL)) {
4049 current_machine = MACHINE(object_new(object_class_get_name(
4050 OBJECT_CLASS(machine_class))));
4051 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4054 object_property_add_child(object_get_root(), "machine",
4055 OBJECT(current_machine), &error_abort);
4056 cpu_exec_init_all();
4058 if (machine_class->hw_version) {
4059 qemu_set_hw_version(machine_class->hw_version);
4062 /* Init CPU def lists, based on config
4063 * - Must be called after all the qemu_read_config_file() calls
4064 * - Must be called before list_cpus()
4065 * - Must be called before machine_class->init()
4069 if (cpu_model && is_help_option(cpu_model)) {
4070 list_cpus(stdout, &fprintf, cpu_model);
4074 if (!trace_init_backends()) {
4077 trace_init_file(trace_file);
4079 /* Open the logfile at this point and set the log mask if necessary.
4082 qemu_set_log_filename(log_file);
4087 mask = qemu_str_to_log_mask(log_mask);
4089 qemu_print_log_usage(stdout);
4097 /* If no data_dir is specified then try to find it relative to the
4099 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4100 data_dir[data_dir_idx] = os_find_datadir();
4101 if (data_dir[data_dir_idx] != NULL) {
4105 /* If all else fails use the install path specified when building. */
4106 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4107 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4110 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4112 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4113 if (max_cpus > machine_class->max_cpus) {
4114 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4115 "supported by machine '%s' (%d)", max_cpus,
4116 machine_class->name, machine_class->max_cpus);
4121 * Get the default machine options from the machine if it is not already
4122 * specified either by the configuration file or by the command line.
4124 if (machine_class->default_machine_opts) {
4125 qemu_opts_set_defaults(qemu_find_opts("machine"),
4126 machine_class->default_machine_opts, 0);
4129 qemu_opts_foreach(qemu_find_opts("device"),
4130 default_driver_check, NULL, NULL);
4131 qemu_opts_foreach(qemu_find_opts("global"),
4132 default_driver_check, NULL, NULL);
4134 if (!vga_model && !default_vga) {
4135 vga_interface_type = VGA_DEVICE;
4137 if (!has_defaults || machine_class->no_serial) {
4140 if (!has_defaults || machine_class->no_parallel) {
4141 default_parallel = 0;
4143 if (!has_defaults || !machine_class->use_virtcon) {
4144 default_virtcon = 0;
4146 if (!has_defaults || !machine_class->use_sclp) {
4149 if (!has_defaults || machine_class->no_floppy) {
4152 if (!has_defaults || machine_class->no_cdrom) {
4155 if (!has_defaults || machine_class->no_sdcard) {
4158 if (!has_defaults) {
4159 default_monitor = 0;
4164 if (is_daemonized()) {
4165 /* According to documentation and historically, -nographic redirects
4166 * serial port, parallel port and monitor to stdio, which does not work
4167 * with -daemonize. We can redirect these to null instead, but since
4168 * -nographic is legacy, let's just error out.
4169 * We disallow -nographic only if all other ports are not redirected
4170 * explicitly, to not break existing legacy setups which uses
4171 * -nographic _and_ redirects all ports explicitly - this is valid
4172 * usage, -nographic is just a no-op in this case.
4175 && (default_parallel || default_serial
4176 || default_monitor || default_virtcon)) {
4177 error_report("-nographic cannot be used with -daemonize");
4180 #ifdef CONFIG_CURSES
4181 if (display_type == DT_CURSES) {
4182 error_report("curses display cannot be used with -daemonize");
4189 if (default_parallel)
4190 add_device_config(DEV_PARALLEL, "null");
4191 if (default_serial && default_monitor) {
4192 add_device_config(DEV_SERIAL, "mon:stdio");
4193 } else if (default_virtcon && default_monitor) {
4194 add_device_config(DEV_VIRTCON, "mon:stdio");
4195 } else if (default_sclp && default_monitor) {
4196 add_device_config(DEV_SCLP, "mon:stdio");
4199 add_device_config(DEV_SERIAL, "stdio");
4200 if (default_virtcon)
4201 add_device_config(DEV_VIRTCON, "stdio");
4203 add_device_config(DEV_SCLP, "stdio");
4205 if (default_monitor)
4206 monitor_parse("stdio", "readline", false);
4210 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4211 if (default_parallel)
4212 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4213 if (default_monitor)
4214 monitor_parse("vc:80Cx24C", "readline", false);
4215 if (default_virtcon)
4216 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4218 add_device_config(DEV_SCLP, "vc:80Cx24C");
4222 #if defined(CONFIG_VNC)
4223 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4227 if (display_type == DT_DEFAULT && !display_remote) {
4228 #if defined(CONFIG_GTK)
4229 display_type = DT_GTK;
4230 #elif defined(CONFIG_SDL)
4231 display_type = DT_SDL;
4232 #elif defined(CONFIG_COCOA)
4233 display_type = DT_COCOA;
4234 #elif defined(CONFIG_VNC)
4235 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4238 display_type = DT_NONE;
4242 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4246 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4247 error_report("-no-quit is only valid for GTK and SDL, "
4251 if (display_type == DT_GTK) {
4252 early_gtk_display_init(request_opengl);
4255 if (display_type == DT_SDL) {
4256 sdl_display_early_init(request_opengl);
4259 if (request_opengl == 1 && display_opengl == 0) {
4260 #if defined(CONFIG_OPENGL)
4261 error_report("OpenGL is not supported by the display");
4263 error_report("OpenGL support is disabled");
4271 if (qemu_opts_foreach(qemu_find_opts("object"),
4272 user_creatable_add_opts_foreach,
4273 object_create_initial, NULL)) {
4277 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4278 chardev_init_func, NULL, NULL)) {
4282 #ifdef CONFIG_VIRTFS
4283 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4284 fsdev_init_func, NULL, NULL)) {
4289 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4290 error_report("could not acquire pid file: %s", strerror(errno));
4294 if (qemu_opts_foreach(qemu_find_opts("device"),
4295 device_help_func, NULL, NULL)) {
4299 machine_opts = qemu_get_machine_opts();
4300 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4302 object_unref(OBJECT(current_machine));
4306 configure_accelerator(current_machine);
4309 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4312 machine_opts = qemu_get_machine_opts();
4313 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4314 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4315 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4316 bios_name = qemu_opt_get(machine_opts, "firmware");
4318 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4320 boot_order = qemu_opt_get(opts, "order");
4322 validate_bootdevices(boot_order, &error_fatal);
4325 boot_once = qemu_opt_get(opts, "once");
4327 validate_bootdevices(boot_once, &error_fatal);
4330 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4331 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4335 boot_order = machine_class->default_boot_order;
4338 if (!kernel_cmdline) {
4339 kernel_cmdline = "";
4340 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4343 linux_boot = (kernel_filename != NULL);
4345 if (!linux_boot && *kernel_cmdline != '\0') {
4346 error_report("-append only allowed with -kernel option");
4350 if (!linux_boot && initrd_filename != NULL) {
4351 error_report("-initrd only allowed with -kernel option");
4355 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4356 error_report("-dtb only allowed with -kernel option");
4360 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4361 /* fall back to the -kernel/-append */
4362 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4365 os_set_line_buffering();
4367 /* spice needs the timers to be initialized by this point */
4372 if (kvm_enabled() || xen_enabled()) {
4373 error_report("-icount is not allowed with kvm or xen");
4376 configure_icount(icount_opts, &error_abort);
4377 qemu_opts_del(icount_opts);
4380 /* clean up network at qemu process termination */
4381 atexit(&net_cleanup);
4383 if (net_init_clients() < 0) {
4387 if (qemu_opts_foreach(qemu_find_opts("object"),
4388 user_creatable_add_opts_foreach,
4389 object_create_delayed, NULL)) {
4394 if (tpm_init() < 0) {
4399 /* init the bluetooth world */
4400 if (foreach_device_config(DEV_BT, bt_parse))
4403 if (!xen_enabled()) {
4404 /* On 32-bit hosts, QEMU is limited by virtual address space */
4405 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4406 error_report("at most 2047 MB RAM can be simulated");
4414 /* If the currently selected machine wishes to override the units-per-bus
4415 * property of its default HBA interface type, do so now. */
4416 if (machine_class->units_per_default_bus) {
4417 override_max_devs(machine_class->block_default_type,
4418 machine_class->units_per_default_bus);
4421 /* open the virtual block devices */
4422 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4423 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4427 &machine_class->block_default_type, NULL)) {
4431 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4433 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4434 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4436 parse_numa_opts(machine_class);
4438 if (qemu_opts_foreach(qemu_find_opts("mon"),
4439 mon_init_func, NULL, NULL)) {
4443 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4445 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4447 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4449 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4452 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4455 /* If no default VGA is requested, the default is "none". */
4457 if (machine_class->default_display) {
4458 vga_model = machine_class->default_display;
4459 } else if (vga_interface_available(VGA_CIRRUS)) {
4460 vga_model = "cirrus";
4461 } else if (vga_interface_available(VGA_STD)) {
4466 select_vgahw(vga_model);
4470 i = select_watchdog(watchdog);
4472 exit (i == 1 ? 1 : 0);
4475 if (machine_class->compat_props) {
4476 qdev_prop_register_global_list(machine_class->compat_props);
4480 /* This checkpoint is required by replay to separate prior clock
4481 reading from the other reads, because timer polling functions query
4482 clock values from the log. */
4483 replay_checkpoint(CHECKPOINT_INIT);
4484 qdev_machine_init();
4486 current_machine->ram_size = ram_size;
4487 current_machine->maxram_size = maxram_size;
4488 current_machine->ram_slots = ram_slots;
4489 current_machine->boot_order = boot_order;
4490 current_machine->cpu_model = cpu_model;
4492 machine_class->init(current_machine);
4498 cpu_synchronize_all_post_init();
4500 numa_post_machine_init();
4502 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4503 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4507 /* init USB devices */
4508 if (usb_enabled()) {
4509 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4513 /* Check if IGD GFX passthrough. */
4516 /* init generic devices */
4517 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4518 if (qemu_opts_foreach(qemu_find_opts("device"),
4519 device_init_func, NULL, NULL)) {
4522 rom_reset_order_override();
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4527 net_check_clients();
4530 qemu_boot_set(boot_once, &error_fatal);
4531 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4534 ds = init_displaystate();
4536 /* init local displays */
4537 switch (display_type) {
4539 curses_display_init(ds, full_screen);
4542 sdl_display_init(ds, full_screen, no_frame);
4545 cocoa_display_init(ds, full_screen);
4548 gtk_display_init(ds, full_screen, grab_on_hover);
4554 /* must be after terminal init, SDL library changes signal handlers */
4555 os_setup_signal_handling();
4557 /* init remote displays */
4558 qemu_opts_foreach(qemu_find_opts("vnc"),
4559 vnc_init_func, NULL, NULL);
4560 if (show_vnc_port) {
4561 char *ret = vnc_display_local_addr("default");
4562 printf("VNC server running on '%s'\n", ret);
4567 qemu_spice_display_init();
4570 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4574 qdev_machine_creation_done();
4576 /* TODO: once all bus devices are qdevified, this should be done
4577 * when bus is created by qdev.c */
4578 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4579 qemu_run_machine_init_done_notifiers();
4581 if (rom_check_and_register_reset() != 0) {
4582 error_report("rom check and register reset failed");
4588 /* This checkpoint is required by replay to separate prior clock
4589 reading from the other reads, because timer polling functions query
4590 clock values from the log. */
4591 replay_checkpoint(CHECKPOINT_RESET);
4592 qemu_system_reset(VMRESET_SILENT);
4593 register_global_state();
4595 if (load_vmstate(loadvm) < 0) {
4600 qdev_prop_check_globals();
4601 if (vmstate_dump_file) {
4603 dump_vmstate_json_to_file(vmstate_dump_file);
4608 Error *local_err = NULL;
4609 qemu_start_incoming_migration(incoming, &local_err);
4611 error_reportf_err(local_err, "-incoming %s: ", incoming);
4614 } else if (autostart) {
4621 replay_disable_events();