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
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
102 #include "fsdev/qemu-fsdev.h"
104 #include "sysemu/qtest.h"
106 #include "disas/disas.h"
109 #include "slirp/libslirp.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
143 NICInfo nd_table[MAX_NICS];
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
153 static bool grab_on_hover;
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
165 int acpi_enabled = 1;
168 static int no_reboot;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 const char *qemu_name;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
187 int icount_align_option;
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 uint8_t qemu_uuid[16];
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203 enum xen_mode xen_mode = XEN_EMULATE;
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
239 static QemuOptsList qemu_rtc_opts = {
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .type = QEMU_OPT_STRING,
248 .type = QEMU_OPT_STRING,
251 .type = QEMU_OPT_STRING,
253 { /* end of list */ }
257 static QemuOptsList qemu_sandbox_opts = {
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .type = QEMU_OPT_BOOL,
266 { /* end of list */ }
270 static QemuOptsList qemu_trace_opts = {
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .type = QEMU_OPT_STRING,
280 .type = QEMU_OPT_STRING,
282 { /* end of list */ }
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .type = QEMU_OPT_NUMBER,
296 .type = QEMU_OPT_STRING,
298 { /* end of list */ }
302 static QemuOptsList qemu_machine_opts = {
304 .implied_opt_name = "type",
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
317 static QemuOptsList qemu_boot_opts = {
319 .implied_opt_name = "order",
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .type = QEMU_OPT_STRING,
328 .type = QEMU_OPT_STRING,
331 .type = QEMU_OPT_BOOL,
334 .type = QEMU_OPT_STRING,
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
343 .type = QEMU_OPT_BOOL,
349 static QemuOptsList qemu_add_fd_opts = {
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts = {
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
379 static QemuOptsList qemu_tpmdev_opts = {
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts = {
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .type = QEMU_OPT_BOOL,
397 { /* end of list */ }
401 static QemuOptsList qemu_msg_opts = {
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .type = QEMU_OPT_BOOL,
409 { /* end of list */ }
413 static QemuOptsList qemu_name_opts = {
415 .implied_opt_name = "guest",
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
436 { /* End of list */ }
440 static QemuOptsList qemu_mem_opts = {
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
448 .type = QEMU_OPT_SIZE,
452 .type = QEMU_OPT_NUMBER,
456 .type = QEMU_OPT_SIZE,
458 { /* end of list */ }
462 static QemuOptsList qemu_icount_opts = {
464 .implied_opt_name = "shift",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .type = QEMU_OPT_STRING,
473 .type = QEMU_OPT_BOOL,
476 .type = QEMU_OPT_BOOL,
478 { /* end of list */ }
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
489 .type = QEMU_OPT_BOOL,
492 .type = QEMU_OPT_STRING,
495 .type = QEMU_OPT_STRING,
497 { /* end of list */ }
501 static QemuOptsList qemu_fw_cfg_opts = {
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
516 { /* end of list */ }
521 * Get machine options
523 * Returns: machine options (never null).
525 QemuOpts *qemu_get_machine_opts(void)
527 return qemu_find_opts_singleton("machine");
530 const char *qemu_get_vm_name(void)
535 static void res_free(void)
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
543 const char *driver = qemu_opt_get(opts, "driver");
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
551 *(default_list[i].flag) = 0;
556 /***********************************************************/
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_MAX, RUN_STATE_MAX },
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
637 bool runstate_check(RunState state)
639 return current_run_state == state;
642 bool runstate_store(char *str, size_t size)
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
650 memcpy(str, state, len);
654 static void runstate_init(void)
656 const RunStateTransition *p;
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
663 qemu_mutex_init(&vmstop_lock);
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
669 assert(new_state < RUN_STATE_MAX);
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
681 int runstate_is_running(void)
683 return runstate_check(RUN_STATE_RUNNING);
686 bool runstate_needs_reset(void)
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
692 StatusInfo *qmp_query_status(Error **errp)
694 StatusInfo *info = g_malloc0(sizeof(*info));
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
703 static bool qemu_vmstop_requested(RunState *r)
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
712 void qemu_system_vmstop_request_prepare(void)
714 qemu_mutex_lock(&vmstop_lock);
717 void qemu_system_vmstop_request(RunState state)
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
747 qapi_event_send_resume(&error_abort);
751 /***********************************************************/
752 /* real time host monotonic timer */
754 static time_t qemu_time(void)
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
763 time_t ti = qemu_time();
766 if (rtc_date_offset == -1) {
770 localtime_r(&ti, tm);
772 ti -= rtc_date_offset;
777 int qemu_timedate_diff(struct tm *tm)
781 if (rtc_date_offset == -1)
783 seconds = mktimegm(tm);
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
790 seconds = mktimegm(tm) + rtc_date_offset;
792 return seconds - qemu_time();
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
797 time_t rtc_start_date;
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
811 } else if (sscanf(startdate, "%d-%d-%d",
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 rtc_date_offset = qemu_time() - rtc_start_date;
834 static void configure_rtc(QemuOpts *opts)
838 value = qemu_opt_get(opts, "base");
840 if (!strcmp(value, "utc")) {
842 } else if (!strcmp(value, "localtime")) {
845 configure_rtc_date_offset(value, 0);
848 value = qemu_opt_get(opts, "clock");
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 value = qemu_opt_get(opts, "driftfix");
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
870 { /* end of list */ }
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 /***********************************************************/
884 /* Bluetooth support */
887 static struct HCIInfo *hci_table[MAX_NICS];
889 struct HCIInfo *qemu_next_hci(void)
891 if (cur_hci == nb_hcis)
894 return hci_table[cur_hci++];
897 static int bt_hci_parse(const char *str)
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
919 hci_table[nb_hcis++] = hci;
924 static void bt_vhci_add(int vlan_id)
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
932 bt_vhci_init(bt_new_hci(vlan));
935 static struct bt_device_s *bt_device_add(const char *opt)
937 struct bt_scatternet_s *vlan;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946 vlan_id = strtol(endp + 6, &endp, 0);
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
953 vlan = qemu_find_bt_vlan(vlan_id);
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
966 static int bt_parse(const char *opt)
968 const char *endp, *p;
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
974 if (!strstart(endp, ",vlan=", 0))
977 return bt_hci_parse(opt);
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1016 error_report("sandboxing request but seccomp is not compiled "
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1027 const char *proc_name;
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1032 qemu_name = qemu_opt_get(opts, "guest");
1034 proc_name = qemu_opt_get(opts, "process");
1036 os_set_proc_name(proc_name);
1042 bool defaults_enabled(void)
1044 return has_defaults;
1047 bool usb_enabled(void)
1049 return machine_usb(current_machine);
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1055 int fd, dupfd, flags;
1057 const char *fd_opaque = NULL;
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1065 error_report("fd option is required and must be non-negative");
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1085 error_report("set option is required and must be non-negative");
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1094 qemu_set_cloexec(dupfd);
1098 error_report("Error duplicating fd: %s", strerror(errno));
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1121 /***********************************************************/
1122 /* QEMU Block devices */
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1127 #define PFLASH_OPTS ""
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1133 BlockInterfaceType *block_default_type = opaque;
1135 return drive_new(opts, *block_default_type) == NULL;
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1152 if (!enable || drive_get_by_index(type, index)) {
1156 opts = drive_add(type, index, NULL, optstr);
1158 drive_enable_snapshot(NULL, opts, NULL);
1161 dinfo = drive_new(opts, type);
1165 dinfo->is_default = true;
1169 static QemuOptsList qemu_smp_opts = {
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1177 .type = QEMU_OPT_NUMBER,
1180 .type = QEMU_OPT_NUMBER,
1183 .type = QEMU_OPT_NUMBER,
1186 .type = QEMU_OPT_NUMBER,
1189 .type = QEMU_OPT_NUMBER,
1191 { /*End of list */ }
1195 static void smp_parse(QemuOpts *opts)
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1210 cpus = cores * threads * sockets;
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1221 sockets, cores, threads, cpus);
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1248 static void realtime_init(void)
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1259 static void configure_msg(QemuOpts *opts)
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 /***********************************************************/
1267 typedef struct SemihostingConfig {
1269 SemihostingTarget target;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1275 static SemihostingConfig semihosting;
1277 bool semihosting_enabled(void)
1279 return semihosting.enabled;
1282 SemihostingTarget semihosting_get_target(void)
1284 return semihosting.target;
1287 const char *semihosting_get_arg(int i)
1289 if (i >= semihosting.argc) {
1292 return semihosting.argv[i];
1295 int semihosting_get_argc(void)
1297 return semihosting.argc;
1300 const char *semihosting_get_cmdline(void)
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1305 return semihosting.cmdline;
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 /***********************************************************/
1349 static int usb_device_add(const char *devname)
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1356 if (!usb_enabled()) {
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1379 static int usb_device_del(const char *devname)
1384 if (strstart(devname, "host:", &p)) {
1388 if (!usb_enabled()) {
1392 p = strchr(devname, '.');
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1398 return usb_device_delete_addr(bus_num, addr);
1401 static int usb_parse(const char *cmdline)
1404 r = usb_device_add(cmdline);
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1427 /***********************************************************/
1428 /* machine registration */
1430 MachineState *current_machine;
1432 static MachineClass *find_machine(const char *name)
1434 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1435 MachineClass *mc = NULL;
1437 for (el = machines; el; el = el->next) {
1438 MachineClass *temp = el->data;
1440 if (!strcmp(temp->name, name)) {
1445 !strcmp(temp->alias, name)) {
1451 g_slist_free(machines);
1455 MachineClass *find_default_machine(void)
1457 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1458 MachineClass *mc = NULL;
1460 for (el = machines; el; el = el->next) {
1461 MachineClass *temp = el->data;
1463 if (temp->is_default) {
1469 g_slist_free(machines);
1473 MachineInfoList *qmp_query_machines(Error **errp)
1475 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1476 MachineInfoList *mach_list = NULL;
1478 for (el = machines; el; el = el->next) {
1479 MachineClass *mc = el->data;
1480 MachineInfoList *entry;
1483 info = g_malloc0(sizeof(*info));
1484 if (mc->is_default) {
1485 info->has_is_default = true;
1486 info->is_default = true;
1490 info->has_alias = true;
1491 info->alias = g_strdup(mc->alias);
1494 info->name = g_strdup(mc->name);
1495 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1497 entry = g_malloc0(sizeof(*entry));
1498 entry->value = info;
1499 entry->next = mach_list;
1503 g_slist_free(machines);
1507 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1509 ObjectProperty *prop;
1511 if (!qemu_opt_has_help_opt(opts)) {
1515 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1520 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1521 prop->name, prop->type);
1522 if (prop->description) {
1523 error_printf(" (%s)\n", prop->description);
1532 /***********************************************************/
1533 /* main execution loop */
1535 struct vm_change_state_entry {
1536 VMChangeStateHandler *cb;
1538 QLIST_ENTRY (vm_change_state_entry) entries;
1541 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1543 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1546 VMChangeStateEntry *e;
1548 e = g_malloc0(sizeof (*e));
1552 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1556 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1558 QLIST_REMOVE (e, entries);
1562 void vm_state_notify(int running, RunState state)
1564 VMChangeStateEntry *e, *next;
1566 trace_vm_state_notify(running, state);
1568 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1569 e->cb(e->opaque, running, state);
1573 /* reset/shutdown handler */
1575 typedef struct QEMUResetEntry {
1576 QTAILQ_ENTRY(QEMUResetEntry) entry;
1577 QEMUResetHandler *func;
1581 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1582 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1583 static int reset_requested;
1584 static int shutdown_requested, shutdown_signal = -1;
1585 static pid_t shutdown_pid;
1586 static int powerdown_requested;
1587 static int debug_requested;
1588 static int suspend_requested;
1589 static WakeupReason wakeup_reason;
1590 static NotifierList powerdown_notifiers =
1591 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1592 static NotifierList suspend_notifiers =
1593 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1594 static NotifierList wakeup_notifiers =
1595 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1596 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1598 int qemu_shutdown_requested_get(void)
1600 return shutdown_requested;
1603 int qemu_reset_requested_get(void)
1605 return reset_requested;
1608 static int qemu_shutdown_requested(void)
1610 return atomic_xchg(&shutdown_requested, 0);
1613 static void qemu_kill_report(void)
1615 if (!qtest_driver() && shutdown_signal != -1) {
1616 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1617 if (shutdown_pid == 0) {
1618 /* This happens for eg ^C at the terminal, so it's worth
1619 * avoiding printing an odd message in that case.
1621 fputc('\n', stderr);
1623 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1625 shutdown_signal = -1;
1629 static int qemu_reset_requested(void)
1631 int r = reset_requested;
1632 reset_requested = 0;
1636 static int qemu_suspend_requested(void)
1638 int r = suspend_requested;
1639 suspend_requested = 0;
1643 static WakeupReason qemu_wakeup_requested(void)
1645 return wakeup_reason;
1648 static int qemu_powerdown_requested(void)
1650 int r = powerdown_requested;
1651 powerdown_requested = 0;
1655 static int qemu_debug_requested(void)
1657 int r = debug_requested;
1658 debug_requested = 0;
1662 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1664 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1667 re->opaque = opaque;
1668 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1671 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1675 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1676 if (re->func == func && re->opaque == opaque) {
1677 QTAILQ_REMOVE(&reset_handlers, re, entry);
1684 void qemu_devices_reset(void)
1686 QEMUResetEntry *re, *nre;
1688 /* reset all devices */
1689 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1690 re->func(re->opaque);
1694 void qemu_system_reset(bool report)
1698 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1700 if (mc && mc->reset) {
1703 qemu_devices_reset();
1706 qapi_event_send_reset(&error_abort);
1708 cpu_synchronize_all_post_reset();
1711 void qemu_system_guest_panicked(void)
1714 current_cpu->crash_occurred = true;
1716 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1717 vm_stop(RUN_STATE_GUEST_PANICKED);
1720 void qemu_system_reset_request(void)
1723 shutdown_requested = 1;
1725 reset_requested = 1;
1728 qemu_notify_event();
1731 static void qemu_system_suspend(void)
1734 notifier_list_notify(&suspend_notifiers, NULL);
1735 runstate_set(RUN_STATE_SUSPENDED);
1736 qapi_event_send_suspend(&error_abort);
1739 void qemu_system_suspend_request(void)
1741 if (runstate_check(RUN_STATE_SUSPENDED)) {
1744 suspend_requested = 1;
1746 qemu_notify_event();
1749 void qemu_register_suspend_notifier(Notifier *notifier)
1751 notifier_list_add(&suspend_notifiers, notifier);
1754 void qemu_system_wakeup_request(WakeupReason reason)
1756 trace_system_wakeup_request(reason);
1758 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 if (!(wakeup_reason_mask & (1 << reason))) {
1764 runstate_set(RUN_STATE_RUNNING);
1765 wakeup_reason = reason;
1766 qemu_notify_event();
1769 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1772 wakeup_reason_mask |= (1 << reason);
1774 wakeup_reason_mask &= ~(1 << reason);
1778 void qemu_register_wakeup_notifier(Notifier *notifier)
1780 notifier_list_add(&wakeup_notifiers, notifier);
1783 void qemu_system_killed(int signal, pid_t pid)
1785 shutdown_signal = signal;
1788 qemu_system_shutdown_request();
1791 void qemu_system_shutdown_request(void)
1793 trace_qemu_system_shutdown_request();
1794 shutdown_requested = 1;
1795 qemu_notify_event();
1798 static void qemu_system_powerdown(void)
1800 qapi_event_send_powerdown(&error_abort);
1801 notifier_list_notify(&powerdown_notifiers, NULL);
1804 void qemu_system_powerdown_request(void)
1806 trace_qemu_system_powerdown_request();
1807 powerdown_requested = 1;
1808 qemu_notify_event();
1811 void qemu_register_powerdown_notifier(Notifier *notifier)
1813 notifier_list_add(&powerdown_notifiers, notifier);
1816 void qemu_system_debug_request(void)
1818 debug_requested = 1;
1819 qemu_notify_event();
1822 static bool main_loop_should_exit(void)
1825 if (qemu_debug_requested()) {
1826 vm_stop(RUN_STATE_DEBUG);
1828 if (qemu_suspend_requested()) {
1829 qemu_system_suspend();
1831 if (qemu_shutdown_requested()) {
1833 qapi_event_send_shutdown(&error_abort);
1835 vm_stop(RUN_STATE_SHUTDOWN);
1840 if (qemu_reset_requested()) {
1842 cpu_synchronize_all_states();
1843 qemu_system_reset(VMRESET_REPORT);
1845 if (runstate_needs_reset()) {
1846 runstate_set(RUN_STATE_PAUSED);
1849 if (qemu_wakeup_requested()) {
1851 cpu_synchronize_all_states();
1852 qemu_system_reset(VMRESET_SILENT);
1853 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1854 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1856 qapi_event_send_wakeup(&error_abort);
1858 if (qemu_powerdown_requested()) {
1859 qemu_system_powerdown();
1861 if (qemu_vmstop_requested(&r)) {
1867 static void main_loop(void)
1871 #ifdef CONFIG_PROFILER
1875 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1876 #ifdef CONFIG_PROFILER
1877 ti = profile_getclock();
1879 last_io = main_loop_wait(nonblocking);
1880 #ifdef CONFIG_PROFILER
1881 dev_time += profile_getclock() - ti;
1883 } while (!main_loop_should_exit());
1886 static void version(void)
1888 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1891 static void help(int exitcode)
1894 printf("usage: %s [options] [disk_image]\n\n"
1895 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1896 error_get_progname());
1898 #define QEMU_OPTIONS_GENERATE_HELP
1899 #include "qemu-options-wrapper.h"
1901 printf("\nDuring emulation, the following keys are useful:\n"
1902 "ctrl-alt-f toggle full screen\n"
1903 "ctrl-alt-n switch to virtual console 'n'\n"
1904 "ctrl-alt toggle mouse and keyboard grab\n"
1906 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1911 #define HAS_ARG 0x0001
1913 typedef struct QEMUOption {
1920 static const QEMUOption qemu_options[] = {
1921 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1922 #define QEMU_OPTIONS_GENERATE_OPTIONS
1923 #include "qemu-options-wrapper.h"
1927 static bool vga_available(void)
1929 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1932 static bool cirrus_vga_available(void)
1934 return object_class_by_name("cirrus-vga")
1935 || object_class_by_name("isa-cirrus-vga");
1938 static bool vmware_vga_available(void)
1940 return object_class_by_name("vmware-svga");
1943 static bool qxl_vga_available(void)
1945 return object_class_by_name("qxl-vga");
1948 static bool tcx_vga_available(void)
1950 return object_class_by_name("SUNW,tcx");
1953 static bool cg3_vga_available(void)
1955 return object_class_by_name("cgthree");
1958 static bool virtio_vga_available(void)
1960 return object_class_by_name("virtio-vga");
1963 static void select_vgahw (const char *p)
1967 assert(vga_interface_type == VGA_NONE);
1968 if (strstart(p, "std", &opts)) {
1969 if (vga_available()) {
1970 vga_interface_type = VGA_STD;
1972 fprintf(stderr, "Error: standard VGA not available\n");
1975 } else if (strstart(p, "cirrus", &opts)) {
1976 if (cirrus_vga_available()) {
1977 vga_interface_type = VGA_CIRRUS;
1979 fprintf(stderr, "Error: Cirrus VGA not available\n");
1982 } else if (strstart(p, "vmware", &opts)) {
1983 if (vmware_vga_available()) {
1984 vga_interface_type = VGA_VMWARE;
1986 fprintf(stderr, "Error: VMWare SVGA not available\n");
1989 } else if (strstart(p, "virtio", &opts)) {
1990 if (virtio_vga_available()) {
1991 vga_interface_type = VGA_VIRTIO;
1993 fprintf(stderr, "Error: Virtio VGA not available\n");
1996 } else if (strstart(p, "xenfb", &opts)) {
1997 vga_interface_type = VGA_XENFB;
1998 } else if (strstart(p, "qxl", &opts)) {
1999 if (qxl_vga_available()) {
2000 vga_interface_type = VGA_QXL;
2002 fprintf(stderr, "Error: QXL VGA not available\n");
2005 } else if (strstart(p, "tcx", &opts)) {
2006 if (tcx_vga_available()) {
2007 vga_interface_type = VGA_TCX;
2009 fprintf(stderr, "Error: TCX framebuffer not available\n");
2012 } else if (strstart(p, "cg3", &opts)) {
2013 if (cg3_vga_available()) {
2014 vga_interface_type = VGA_CG3;
2016 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2019 } else if (!strstart(p, "none", &opts)) {
2021 fprintf(stderr, "Unknown vga type: %s\n", p);
2025 const char *nextopt;
2027 if (strstart(opts, ",retrace=", &nextopt)) {
2029 if (strstart(opts, "dumb", &nextopt))
2030 vga_retrace_method = VGA_RETRACE_DUMB;
2031 else if (strstart(opts, "precise", &nextopt))
2032 vga_retrace_method = VGA_RETRACE_PRECISE;
2033 else goto invalid_vga;
2034 } else goto invalid_vga;
2039 static DisplayType select_display(const char *p)
2042 DisplayType display = DT_DEFAULT;
2044 if (strstart(p, "sdl", &opts)) {
2048 const char *nextopt;
2050 if (strstart(opts, ",frame=", &nextopt)) {
2052 if (strstart(opts, "on", &nextopt)) {
2054 } else if (strstart(opts, "off", &nextopt)) {
2057 goto invalid_sdl_args;
2059 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2061 if (strstart(opts, "on", &nextopt)) {
2063 } else if (strstart(opts, "off", &nextopt)) {
2066 goto invalid_sdl_args;
2068 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2070 if (strstart(opts, "on", &nextopt)) {
2072 } else if (strstart(opts, "off", &nextopt)) {
2075 goto invalid_sdl_args;
2077 } else if (strstart(opts, ",window_close=", &nextopt)) {
2079 if (strstart(opts, "on", &nextopt)) {
2081 } else if (strstart(opts, "off", &nextopt)) {
2084 goto invalid_sdl_args;
2086 } else if (strstart(opts, ",gl=", &nextopt)) {
2088 if (strstart(opts, "on", &nextopt)) {
2090 } else if (strstart(opts, "off", &nextopt)) {
2093 goto invalid_sdl_args;
2097 error_report("Invalid SDL option string");
2103 error_report("SDL support is disabled");
2106 } else if (strstart(p, "vnc", &opts)) {
2110 if (vnc_parse(opts + 1, &err) == NULL) {
2111 error_report_err(err);
2115 error_report("VNC requires a display argument vnc=<display>");
2119 error_report("VNC support is disabled");
2122 } else if (strstart(p, "curses", &opts)) {
2123 #ifdef CONFIG_CURSES
2124 display = DT_CURSES;
2126 error_report("Curses support is disabled");
2129 } else if (strstart(p, "gtk", &opts)) {
2133 const char *nextopt;
2135 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2137 if (strstart(opts, "on", &nextopt)) {
2138 grab_on_hover = true;
2139 } else if (strstart(opts, "off", &nextopt)) {
2140 grab_on_hover = false;
2142 goto invalid_gtk_args;
2144 } else if (strstart(opts, ",gl=", &nextopt)) {
2146 if (strstart(opts, "on", &nextopt)) {
2148 } else if (strstart(opts, "off", &nextopt)) {
2151 goto invalid_gtk_args;
2155 error_report("Invalid GTK option string");
2161 error_report("GTK support is disabled");
2164 } else if (strstart(p, "none", &opts)) {
2167 error_report("Unknown display type");
2174 static int balloon_parse(const char *arg)
2178 if (strcmp(arg, "none") == 0) {
2182 if (!strncmp(arg, "virtio", 6)) {
2183 if (arg[6] == ',') {
2184 /* have params -> parse them */
2185 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2190 /* create empty opts */
2191 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2194 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2201 char *qemu_find_file(int type, const char *name)
2207 /* Try the name as a straight path first */
2208 if (access(name, R_OK) == 0) {
2209 trace_load_file(name, name);
2210 return g_strdup(name);
2214 case QEMU_FILE_TYPE_BIOS:
2217 case QEMU_FILE_TYPE_KEYMAP:
2218 subdir = "keymaps/";
2224 for (i = 0; i < data_dir_idx; i++) {
2225 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2226 if (access(buf, R_OK) == 0) {
2227 trace_load_file(name, buf);
2235 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2239 const char *name, *file;
2241 if (opaque == NULL) {
2242 error_report("fw_cfg device not available");
2245 name = qemu_opt_get(opts, "name");
2246 file = qemu_opt_get(opts, "file");
2247 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2248 error_report("invalid argument value");
2251 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2252 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2255 if (strncmp(name, "opt/", 4) != 0) {
2256 error_report("WARNING: externally provided fw_cfg item names "
2257 "should be prefixed with \"opt/\"!");
2259 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2260 error_report("can't load %s", file);
2263 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2267 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2269 return qdev_device_help(opts);
2272 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2277 dev = qdev_device_add(opts, &err);
2279 error_report_err(err);
2282 object_unref(OBJECT(dev));
2286 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 Error *local_err = NULL;
2290 qemu_chr_new_from_opts(opts, NULL, &local_err);
2292 error_report_err(local_err);
2298 #ifdef CONFIG_VIRTFS
2299 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2302 ret = qemu_fsdev_add(opts);
2308 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2310 CharDriverState *chr;
2311 const char *chardev;
2315 mode = qemu_opt_get(opts, "mode");
2319 if (strcmp(mode, "readline") == 0) {
2320 flags = MONITOR_USE_READLINE;
2321 } else if (strcmp(mode, "control") == 0) {
2322 flags = MONITOR_USE_CONTROL;
2324 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2328 if (qemu_opt_get_bool(opts, "pretty", 0))
2329 flags |= MONITOR_USE_PRETTY;
2331 if (qemu_opt_get_bool(opts, "default", 0))
2332 flags |= MONITOR_IS_DEFAULT;
2334 chardev = qemu_opt_get(opts, "chardev");
2335 chr = qemu_chr_find(chardev);
2337 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2341 qemu_chr_fe_claim_no_fail(chr);
2342 monitor_init(chr, flags);
2346 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2348 static int monitor_device_index = 0;
2349 Error *local_err = NULL;
2355 if (strstart(optarg, "chardev:", &p)) {
2356 snprintf(label, sizeof(label), "%s", p);
2358 snprintf(label, sizeof(label), "compat_monitor%d",
2359 monitor_device_index);
2360 if (monitor_device_index == 0) {
2363 opts = qemu_chr_parse_compat(label, optarg);
2365 fprintf(stderr, "parse error: %s\n", optarg);
2370 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2372 error_report_err(local_err);
2375 qemu_opt_set(opts, "mode", mode, &error_abort);
2376 qemu_opt_set(opts, "chardev", label, &error_abort);
2377 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2379 qemu_opt_set(opts, "default", "on", &error_abort);
2380 monitor_device_index++;
2383 struct device_config {
2385 DEV_USB, /* -usbdevice */
2387 DEV_SERIAL, /* -serial */
2388 DEV_PARALLEL, /* -parallel */
2389 DEV_VIRTCON, /* -virtioconsole */
2390 DEV_DEBUGCON, /* -debugcon */
2391 DEV_GDB, /* -gdb, -s */
2392 DEV_SCLP, /* s390 sclp */
2394 const char *cmdline;
2396 QTAILQ_ENTRY(device_config) next;
2399 static QTAILQ_HEAD(, device_config) device_configs =
2400 QTAILQ_HEAD_INITIALIZER(device_configs);
2402 static void add_device_config(int type, const char *cmdline)
2404 struct device_config *conf;
2406 conf = g_malloc0(sizeof(*conf));
2408 conf->cmdline = cmdline;
2409 loc_save(&conf->loc);
2410 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2413 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2415 struct device_config *conf;
2418 QTAILQ_FOREACH(conf, &device_configs, next) {
2419 if (conf->type != type)
2421 loc_push_restore(&conf->loc);
2422 rc = func(conf->cmdline);
2423 loc_pop(&conf->loc);
2431 static int serial_parse(const char *devname)
2433 static int index = 0;
2436 if (strcmp(devname, "none") == 0)
2438 if (index == MAX_SERIAL_PORTS) {
2439 fprintf(stderr, "qemu: too many serial ports\n");
2442 snprintf(label, sizeof(label), "serial%d", index);
2443 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2444 if (!serial_hds[index]) {
2445 fprintf(stderr, "qemu: could not connect serial device"
2446 " to character backend '%s'\n", devname);
2453 static int parallel_parse(const char *devname)
2455 static int index = 0;
2458 if (strcmp(devname, "none") == 0)
2460 if (index == MAX_PARALLEL_PORTS) {
2461 fprintf(stderr, "qemu: too many parallel ports\n");
2464 snprintf(label, sizeof(label), "parallel%d", index);
2465 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2466 if (!parallel_hds[index]) {
2467 fprintf(stderr, "qemu: could not connect parallel device"
2468 " to character backend '%s'\n", devname);
2475 static int virtcon_parse(const char *devname)
2477 QemuOptsList *device = qemu_find_opts("device");
2478 static int index = 0;
2480 QemuOpts *bus_opts, *dev_opts;
2482 if (strcmp(devname, "none") == 0)
2484 if (index == MAX_VIRTIO_CONSOLES) {
2485 fprintf(stderr, "qemu: too many virtio consoles\n");
2489 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2490 if (arch_type == QEMU_ARCH_S390X) {
2491 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2496 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2497 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2499 snprintf(label, sizeof(label), "virtcon%d", index);
2500 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2501 if (!virtcon_hds[index]) {
2502 fprintf(stderr, "qemu: could not connect virtio console"
2503 " to character backend '%s'\n", devname);
2506 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2512 static int sclp_parse(const char *devname)
2514 QemuOptsList *device = qemu_find_opts("device");
2515 static int index = 0;
2519 if (strcmp(devname, "none") == 0) {
2522 if (index == MAX_SCLP_CONSOLES) {
2523 fprintf(stderr, "qemu: too many sclp consoles\n");
2527 assert(arch_type == QEMU_ARCH_S390X);
2529 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2530 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2532 snprintf(label, sizeof(label), "sclpcon%d", index);
2533 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2534 if (!sclp_hds[index]) {
2535 fprintf(stderr, "qemu: could not connect sclp console"
2536 " to character backend '%s'\n", devname);
2539 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2545 static int debugcon_parse(const char *devname)
2549 if (!qemu_chr_new("debugcon", devname, NULL)) {
2552 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2554 fprintf(stderr, "qemu: already have a debugcon device\n");
2557 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2558 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2562 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2564 const MachineClass *mc1 = a, *mc2 = b;
2567 if (mc1->family == NULL) {
2568 if (mc2->family == NULL) {
2569 /* Compare standalone machine types against each other; they sort
2570 * in increasing order.
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2573 object_class_get_name(OBJECT_CLASS(mc2)));
2576 /* Standalone machine types sort after families. */
2580 if (mc2->family == NULL) {
2581 /* Families sort before standalone machine types. */
2585 /* Families sort between each other alphabetically increasingly. */
2586 res = strcmp(mc1->family, mc2->family);
2591 /* Within the same family, machine types sort in decreasing order. */
2592 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2593 object_class_get_name(OBJECT_CLASS(mc1)));
2596 static MachineClass *machine_parse(const char *name)
2598 MachineClass *mc = NULL;
2599 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2602 mc = find_machine(name);
2605 g_slist_free(machines);
2608 if (name && !is_help_option(name)) {
2609 error_report("Unsupported machine type");
2610 error_printf("Use -machine help to list supported machines!\n");
2612 printf("Supported machines are:\n");
2613 machines = g_slist_sort(machines, machine_class_cmp);
2614 for (el = machines; el; el = el->next) {
2615 MachineClass *mc = el->data;
2617 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2619 printf("%-20s %s%s\n", mc->name, mc->desc,
2620 mc->is_default ? " (default)" : "");
2624 g_slist_free(machines);
2625 exit(!name || !is_help_option(name));
2628 void qemu_add_exit_notifier(Notifier *notify)
2630 notifier_list_add(&exit_notifiers, notify);
2633 void qemu_remove_exit_notifier(Notifier *notify)
2635 notifier_remove(notify);
2638 static void qemu_run_exit_notifiers(void)
2640 notifier_list_notify(&exit_notifiers, NULL);
2643 static bool machine_init_done;
2645 void qemu_add_machine_init_done_notifier(Notifier *notify)
2647 notifier_list_add(&machine_init_done_notifiers, notify);
2648 if (machine_init_done) {
2649 notify->notify(notify, NULL);
2653 static void qemu_run_machine_init_done_notifiers(void)
2655 notifier_list_notify(&machine_init_done_notifiers, NULL);
2656 machine_init_done = true;
2659 static const QEMUOption *lookup_opt(int argc, char **argv,
2660 const char **poptarg, int *poptind)
2662 const QEMUOption *popt;
2663 int optind = *poptind;
2664 char *r = argv[optind];
2667 loc_set_cmdline(argv, optind, 1);
2669 /* Treat --foo the same as -foo. */
2672 popt = qemu_options;
2675 error_report("invalid option");
2678 if (!strcmp(popt->name, r + 1))
2682 if (popt->flags & HAS_ARG) {
2683 if (optind >= argc) {
2684 error_report("requires an argument");
2687 optarg = argv[optind++];
2688 loc_set_cmdline(argv, optind - 2, 2);
2699 static gpointer malloc_and_trace(gsize n_bytes)
2701 void *ptr = malloc(n_bytes);
2702 trace_g_malloc(n_bytes, ptr);
2706 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2708 void *ptr = realloc(mem, n_bytes);
2709 trace_g_realloc(mem, n_bytes, ptr);
2713 static void free_and_trace(gpointer mem)
2719 static int machine_set_property(void *opaque,
2720 const char *name, const char *value,
2723 Object *obj = OBJECT(opaque);
2724 Error *local_err = NULL;
2727 if (strcmp(name, "type") == 0) {
2731 qom_name = g_strdup(name);
2739 object_property_parse(obj, value, qom_name, &local_err);
2743 error_report_err(local_err);
2752 * Initial object creation happens before all other
2753 * QEMU data types are created. The majority of objects
2754 * can be created at this point. The rng-egd object
2755 * cannot be created here, as it depends on the chardev
2758 static bool object_create_initial(const char *type)
2760 if (g_str_equal(type, "rng-egd")) {
2768 * The remainder of object creation happens after the
2769 * creation of chardev, fsdev and device data types.
2771 static bool object_create_delayed(const char *type)
2773 return !object_create_initial(type);
2777 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2785 bool (*type_predicate)(const char *) = opaque;
2787 ov = opts_visitor_new(opts);
2788 pdict = qemu_opts_to_qdict(opts, NULL);
2790 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2795 qdict_del(pdict, "qom-type");
2796 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2800 if (!type_predicate(type)) {
2804 qdict_del(pdict, "id");
2805 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2810 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2814 visit_end_struct(opts_get_visitor(ov), &err);
2816 qmp_object_del(id, NULL);
2820 opts_visitor_cleanup(ov);
2827 error_report_err(err);
2833 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2837 const char *mem_str;
2838 const char *maxmem_str, *slots_str;
2839 const ram_addr_t default_ram_size = mc->default_ram_size;
2840 QemuOpts *opts = qemu_find_opts_singleton("memory");
2843 mem_str = qemu_opt_get(opts, "size");
2846 error_report("missing 'size' option value");
2850 sz = qemu_opt_get_size(opts, "size", ram_size);
2852 /* Fix up legacy suffix-less format */
2853 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2854 uint64_t overflow_check = sz;
2857 if ((sz >> 20) != overflow_check) {
2858 error_report("too large 'size' option value");
2864 /* backward compatibility behaviour for case "-m 0" */
2866 sz = default_ram_size;
2869 sz = QEMU_ALIGN_UP(sz, 8192);
2871 if (ram_size != sz) {
2872 error_report("ram size too large");
2876 /* store value for the future use */
2877 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2878 *maxram_size = ram_size;
2880 maxmem_str = qemu_opt_get(opts, "maxmem");
2881 slots_str = qemu_opt_get(opts, "slots");
2882 if (maxmem_str && slots_str) {
2885 sz = qemu_opt_get_size(opts, "maxmem", 0);
2886 slots = qemu_opt_get_number(opts, "slots", 0);
2887 if (sz < ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "maximum memory size (0x%" PRIx64 ") must be at least "
2890 "the initial memory size (0x" RAM_ADDR_FMT ")",
2893 } else if (sz > ram_size) {
2895 error_report("invalid value of -m option: maxmem was "
2896 "specified, but no hotplug slots were specified");
2900 error_report("invalid value of -m option maxmem: "
2901 "memory slots were specified but maximum memory size "
2902 "(0x%" PRIx64 ") is equal to the initial memory size "
2903 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2909 } else if ((!maxmem_str && slots_str) ||
2910 (maxmem_str && !slots_str)) {
2911 error_report("invalid -m option value: missing "
2912 "'%s' option", slots_str ? "maxmem" : "slots");
2917 int main(int argc, char **argv, char **envp)
2920 int snapshot, linux_boot;
2921 const char *initrd_filename;
2922 const char *kernel_filename, *kernel_cmdline;
2923 const char *boot_order = NULL;
2924 const char *boot_once = NULL;
2926 int cyls, heads, secs, translation;
2927 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2928 QemuOptsList *olist;
2931 const char *loadvm = NULL;
2932 MachineClass *machine_class;
2933 const char *cpu_model;
2934 const char *vga_model = NULL;
2935 const char *qtest_chrdev = NULL;
2936 const char *qtest_log = NULL;
2937 const char *pid_file = NULL;
2938 const char *incoming = NULL;
2940 int show_vnc_port = 0;
2942 bool defconfig = true;
2943 bool userconfig = true;
2944 const char *log_mask = NULL;
2945 const char *log_file = NULL;
2946 GMemVTable mem_trace = {
2947 .malloc = malloc_and_trace,
2948 .realloc = realloc_and_trace,
2949 .free = free_and_trace,
2951 const char *trace_events = NULL;
2952 const char *trace_file = NULL;
2953 ram_addr_t maxram_size;
2954 uint64_t ram_slots = 0;
2955 FILE *vmstate_dump_file = NULL;
2956 Error *main_loop_err = NULL;
2959 qemu_init_cpu_loop();
2960 qemu_mutex_lock_iothread();
2962 atexit(qemu_run_exit_notifiers);
2963 error_set_progname(argv[0]);
2964 qemu_init_exec_dir(argv[0]);
2966 g_mem_set_vtable(&mem_trace);
2968 module_call_init(MODULE_INIT_QOM);
2970 qemu_add_opts(&qemu_drive_opts);
2971 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2972 qemu_add_drive_opts(&qemu_common_drive_opts);
2973 qemu_add_drive_opts(&qemu_drive_opts);
2974 qemu_add_opts(&qemu_chardev_opts);
2975 qemu_add_opts(&qemu_device_opts);
2976 qemu_add_opts(&qemu_netdev_opts);
2977 qemu_add_opts(&qemu_net_opts);
2978 qemu_add_opts(&qemu_rtc_opts);
2979 qemu_add_opts(&qemu_global_opts);
2980 qemu_add_opts(&qemu_mon_opts);
2981 qemu_add_opts(&qemu_trace_opts);
2982 qemu_add_opts(&qemu_option_rom_opts);
2983 qemu_add_opts(&qemu_machine_opts);
2984 qemu_add_opts(&qemu_mem_opts);
2985 qemu_add_opts(&qemu_smp_opts);
2986 qemu_add_opts(&qemu_boot_opts);
2987 qemu_add_opts(&qemu_sandbox_opts);
2988 qemu_add_opts(&qemu_add_fd_opts);
2989 qemu_add_opts(&qemu_object_opts);
2990 qemu_add_opts(&qemu_tpmdev_opts);
2991 qemu_add_opts(&qemu_realtime_opts);
2992 qemu_add_opts(&qemu_msg_opts);
2993 qemu_add_opts(&qemu_name_opts);
2994 qemu_add_opts(&qemu_numa_opts);
2995 qemu_add_opts(&qemu_icount_opts);
2996 qemu_add_opts(&qemu_semihosting_config_opts);
2997 qemu_add_opts(&qemu_fw_cfg_opts);
3001 if (qcrypto_init(&err) < 0) {
3002 fprintf(stderr, "Cannot initialize crypto: %s\n",
3003 error_get_pretty(err));
3006 rtc_clock = QEMU_CLOCK_HOST;
3008 QLIST_INIT (&vm_change_state_head);
3009 os_setup_early_signal_handling();
3011 module_call_init(MODULE_INIT_MACHINE);
3012 machine_class = find_default_machine();
3015 cyls = heads = secs = 0;
3016 translation = BIOS_ATA_TRANSLATION_AUTO;
3020 bdrv_init_with_whitelist();
3024 /* first pass of option parsing */
3026 while (optind < argc) {
3027 if (argv[optind][0] != '-') {
3031 const QEMUOption *popt;
3033 popt = lookup_opt(argc, argv, &optarg, &optind);
3034 switch (popt->index) {
3035 case QEMU_OPTION_nodefconfig:
3038 case QEMU_OPTION_nouserconfig:
3047 ret = qemu_read_default_config_files(userconfig);
3053 /* second pass of option parsing */
3058 if (argv[optind][0] != '-') {
3059 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3061 const QEMUOption *popt;
3063 popt = lookup_opt(argc, argv, &optarg, &optind);
3064 if (!(popt->arch_mask & arch_type)) {
3065 printf("Option %s not supported for this target\n", popt->name);
3068 switch(popt->index) {
3069 case QEMU_OPTION_no_kvm_irqchip: {
3070 olist = qemu_find_opts("machine");
3071 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3074 case QEMU_OPTION_cpu:
3075 /* hw initialization will check this */
3078 case QEMU_OPTION_hda:
3082 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3084 snprintf(buf, sizeof(buf),
3085 "%s,cyls=%d,heads=%d,secs=%d%s",
3086 HD_OPTS , cyls, heads, secs,
3087 translation == BIOS_ATA_TRANSLATION_LBA ?
3089 translation == BIOS_ATA_TRANSLATION_NONE ?
3090 ",trans=none" : "");
3091 drive_add(IF_DEFAULT, 0, optarg, buf);
3094 case QEMU_OPTION_hdb:
3095 case QEMU_OPTION_hdc:
3096 case QEMU_OPTION_hdd:
3097 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3100 case QEMU_OPTION_drive:
3101 if (drive_def(optarg) == NULL) {
3105 case QEMU_OPTION_set:
3106 if (qemu_set_option(optarg) != 0)
3109 case QEMU_OPTION_global:
3110 if (qemu_global_option(optarg) != 0)
3113 case QEMU_OPTION_mtdblock:
3114 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3116 case QEMU_OPTION_sd:
3117 drive_add(IF_SD, -1, optarg, SD_OPTS);
3119 case QEMU_OPTION_pflash:
3120 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3122 case QEMU_OPTION_snapshot:
3125 case QEMU_OPTION_hdachs:
3129 cyls = strtol(p, (char **)&p, 0);
3130 if (cyls < 1 || cyls > 16383)
3135 heads = strtol(p, (char **)&p, 0);
3136 if (heads < 1 || heads > 16)
3141 secs = strtol(p, (char **)&p, 0);
3142 if (secs < 1 || secs > 63)
3146 if (!strcmp(p, "large")) {
3147 translation = BIOS_ATA_TRANSLATION_LARGE;
3148 } else if (!strcmp(p, "rechs")) {
3149 translation = BIOS_ATA_TRANSLATION_RECHS;
3150 } else if (!strcmp(p, "none")) {
3151 translation = BIOS_ATA_TRANSLATION_NONE;
3152 } else if (!strcmp(p, "lba")) {
3153 translation = BIOS_ATA_TRANSLATION_LBA;
3154 } else if (!strcmp(p, "auto")) {
3155 translation = BIOS_ATA_TRANSLATION_AUTO;
3159 } else if (*p != '\0') {
3161 fprintf(stderr, "qemu: invalid physical CHS format\n");
3164 if (hda_opts != NULL) {
3165 qemu_opt_set_number(hda_opts, "cyls", cyls,
3167 qemu_opt_set_number(hda_opts, "heads", heads,
3169 qemu_opt_set_number(hda_opts, "secs", secs,
3171 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3172 qemu_opt_set(hda_opts, "trans", "large",
3174 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3175 qemu_opt_set(hda_opts, "trans", "rechs",
3177 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3178 qemu_opt_set(hda_opts, "trans", "lba",
3180 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3181 qemu_opt_set(hda_opts, "trans", "none",
3187 case QEMU_OPTION_numa:
3188 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3194 case QEMU_OPTION_display:
3195 display_type = select_display(optarg);
3197 case QEMU_OPTION_nographic:
3198 display_type = DT_NOGRAPHIC;
3200 case QEMU_OPTION_curses:
3201 #ifdef CONFIG_CURSES
3202 display_type = DT_CURSES;
3204 fprintf(stderr, "Curses support is disabled\n");
3208 case QEMU_OPTION_portrait:
3209 graphic_rotate = 90;
3211 case QEMU_OPTION_rotate:
3212 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3213 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3214 graphic_rotate != 180 && graphic_rotate != 270) {
3216 "qemu: only 90, 180, 270 deg rotation is available\n");
3220 case QEMU_OPTION_kernel:
3221 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3224 case QEMU_OPTION_initrd:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3228 case QEMU_OPTION_append:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3232 case QEMU_OPTION_dtb:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3236 case QEMU_OPTION_cdrom:
3237 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3239 case QEMU_OPTION_boot:
3240 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3246 case QEMU_OPTION_fda:
3247 case QEMU_OPTION_fdb:
3248 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3251 case QEMU_OPTION_no_fd_bootchk:
3254 case QEMU_OPTION_netdev:
3255 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3259 case QEMU_OPTION_net:
3260 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3264 #ifdef CONFIG_LIBISCSI
3265 case QEMU_OPTION_iscsi:
3266 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3274 case QEMU_OPTION_tftp:
3275 legacy_tftp_prefix = optarg;
3277 case QEMU_OPTION_bootp:
3278 legacy_bootp_filename = optarg;
3280 case QEMU_OPTION_redir:
3281 if (net_slirp_redir(optarg) < 0)
3285 case QEMU_OPTION_bt:
3286 add_device_config(DEV_BT, optarg);
3288 case QEMU_OPTION_audio_help:
3292 case QEMU_OPTION_soundhw:
3293 select_soundhw (optarg);
3298 case QEMU_OPTION_version:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3310 case QEMU_OPTION_tpmdev:
3311 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3316 case QEMU_OPTION_mempath:
3319 case QEMU_OPTION_mem_prealloc:
3329 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3331 case QEMU_OPTION_gdb:
3332 add_device_config(DEV_GDB, optarg);
3335 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3336 data_dir[data_dir_idx++] = optarg;
3339 case QEMU_OPTION_bios:
3340 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3343 case QEMU_OPTION_singlestep:
3350 keyboard_layout = optarg;
3352 case QEMU_OPTION_localtime:
3355 case QEMU_OPTION_vga:
3364 w = strtol(p, (char **)&p, 10);
3367 fprintf(stderr, "qemu: invalid resolution or depth\n");
3373 h = strtol(p, (char **)&p, 10);
3378 depth = strtol(p, (char **)&p, 10);
3379 if (depth != 8 && depth != 15 && depth != 16 &&
3380 depth != 24 && depth != 32)
3382 } else if (*p == '\0') {
3383 depth = graphic_depth;
3390 graphic_depth = depth;
3393 case QEMU_OPTION_echr:
3396 term_escape_char = strtol(optarg, &r, 0);
3398 printf("Bad argument to echr\n");
3401 case QEMU_OPTION_monitor:
3402 default_monitor = 0;
3403 if (strncmp(optarg, "none", 4)) {
3404 monitor_parse(optarg, "readline", false);
3407 case QEMU_OPTION_qmp:
3408 monitor_parse(optarg, "control", false);
3409 default_monitor = 0;
3411 case QEMU_OPTION_qmp_pretty:
3412 monitor_parse(optarg, "control", true);
3413 default_monitor = 0;
3415 case QEMU_OPTION_mon:
3416 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3421 default_monitor = 0;
3423 case QEMU_OPTION_chardev:
3424 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3430 case QEMU_OPTION_fsdev:
3431 olist = qemu_find_opts("fsdev");
3433 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3436 opts = qemu_opts_parse_noisily(olist, optarg, true);
3441 case QEMU_OPTION_virtfs: {
3444 const char *writeout, *sock_fd, *socket;
3446 olist = qemu_find_opts("virtfs");
3448 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3451 opts = qemu_opts_parse_noisily(olist, optarg, true);
3456 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3457 qemu_opt_get(opts, "mount_tag") == NULL) {
3458 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3461 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3462 qemu_opt_get(opts, "mount_tag"),
3465 fprintf(stderr, "duplicate fsdev id: %s\n",
3466 qemu_opt_get(opts, "mount_tag"));
3470 writeout = qemu_opt_get(opts, "writeout");
3472 #ifdef CONFIG_SYNC_FILE_RANGE
3473 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3475 fprintf(stderr, "writeout=immediate not supported on "
3480 qemu_opt_set(fsdev, "fsdriver",
3481 qemu_opt_get(opts, "fsdriver"), &error_abort);
3482 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3484 qemu_opt_set(fsdev, "security_model",
3485 qemu_opt_get(opts, "security_model"),
3487 socket = qemu_opt_get(opts, "socket");
3489 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3491 sock_fd = qemu_opt_get(opts, "sock_fd");
3493 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3496 qemu_opt_set_bool(fsdev, "readonly",
3497 qemu_opt_get_bool(opts, "readonly", 0),
3499 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3501 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3502 qemu_opt_set(device, "fsdev",
3503 qemu_opt_get(opts, "mount_tag"), &error_abort);
3504 qemu_opt_set(device, "mount_tag",
3505 qemu_opt_get(opts, "mount_tag"), &error_abort);
3508 case QEMU_OPTION_virtfs_synth: {
3512 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3515 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3518 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3520 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3522 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3523 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3524 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3527 case QEMU_OPTION_serial:
3528 add_device_config(DEV_SERIAL, optarg);
3530 if (strncmp(optarg, "mon:", 4) == 0) {
3531 default_monitor = 0;
3534 case QEMU_OPTION_watchdog:
3537 "qemu: only one watchdog option may be given\n");
3542 case QEMU_OPTION_watchdog_action:
3543 if (select_watchdog_action(optarg) == -1) {
3544 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3548 case QEMU_OPTION_virtiocon:
3549 add_device_config(DEV_VIRTCON, optarg);
3550 default_virtcon = 0;
3551 if (strncmp(optarg, "mon:", 4) == 0) {
3552 default_monitor = 0;
3555 case QEMU_OPTION_parallel:
3556 add_device_config(DEV_PARALLEL, optarg);
3557 default_parallel = 0;
3558 if (strncmp(optarg, "mon:", 4) == 0) {
3559 default_monitor = 0;
3562 case QEMU_OPTION_debugcon:
3563 add_device_config(DEV_DEBUGCON, optarg);
3565 case QEMU_OPTION_loadvm:
3568 case QEMU_OPTION_full_screen:
3571 case QEMU_OPTION_no_frame:
3574 case QEMU_OPTION_alt_grab:
3577 case QEMU_OPTION_ctrl_grab:
3580 case QEMU_OPTION_no_quit:
3583 case QEMU_OPTION_sdl:
3585 display_type = DT_SDL;
3588 fprintf(stderr, "SDL support is disabled\n");
3591 case QEMU_OPTION_pidfile:
3594 case QEMU_OPTION_win2k_hack:
3595 win2k_install_hack = 1;
3597 case QEMU_OPTION_rtc_td_hack: {
3598 static GlobalProperty slew_lost_ticks[] = {
3600 .driver = "mc146818rtc",
3601 .property = "lost_tick_policy",
3604 { /* end of list */ }
3607 qdev_prop_register_global_list(slew_lost_ticks);
3610 case QEMU_OPTION_acpitable:
3611 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3616 do_acpitable_option(opts);
3618 case QEMU_OPTION_smbios:
3619 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3624 do_smbios_option(opts);
3626 case QEMU_OPTION_fwcfg:
3627 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3633 case QEMU_OPTION_enable_kvm:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3638 case QEMU_OPTION_machine:
3639 olist = qemu_find_opts("machine");
3640 opts = qemu_opts_parse_noisily(olist, optarg, true);
3645 case QEMU_OPTION_no_kvm:
3646 olist = qemu_find_opts("machine");
3647 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3649 case QEMU_OPTION_no_kvm_pit: {
3650 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3654 case QEMU_OPTION_no_kvm_pit_reinjection: {
3655 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3657 .driver = "kvm-pit",
3658 .property = "lost_tick_policy",
3661 { /* end of list */ }
3664 fprintf(stderr, "Warning: option deprecated, use "
3665 "lost_tick_policy property of kvm-pit instead.\n");
3666 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3669 case QEMU_OPTION_usb:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse_noisily(olist, "usb=on", false);
3673 case QEMU_OPTION_usbdevice:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse_noisily(olist, "usb=on", false);
3676 add_device_config(DEV_USB, optarg);
3678 case QEMU_OPTION_device:
3679 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3684 case QEMU_OPTION_smp:
3685 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3690 case QEMU_OPTION_vnc:
3693 Error *local_err = NULL;
3695 if (vnc_parse(optarg, &local_err) == NULL) {
3696 error_report_err(local_err);
3700 fprintf(stderr, "VNC support is disabled\n");
3705 case QEMU_OPTION_no_acpi:
3708 case QEMU_OPTION_no_hpet:
3711 case QEMU_OPTION_balloon:
3712 if (balloon_parse(optarg) < 0) {
3713 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3717 case QEMU_OPTION_no_reboot:
3720 case QEMU_OPTION_no_shutdown:
3723 case QEMU_OPTION_show_cursor:
3726 case QEMU_OPTION_uuid:
3727 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3728 fprintf(stderr, "Fail to parse UUID string."
3729 " Wrong format.\n");
3732 qemu_uuid_set = true;
3734 case QEMU_OPTION_option_rom:
3735 if (nb_option_roms >= MAX_OPTION_ROMS) {
3736 fprintf(stderr, "Too many option ROMs\n");
3739 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3744 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3745 option_rom[nb_option_roms].bootindex =
3746 qemu_opt_get_number(opts, "bootindex", -1);
3747 if (!option_rom[nb_option_roms].name) {
3748 fprintf(stderr, "Option ROM file is not specified\n");
3753 case QEMU_OPTION_semihosting:
3754 semihosting.enabled = true;
3755 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3757 case QEMU_OPTION_semihosting_config:
3758 semihosting.enabled = true;
3759 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3762 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3764 const char *target = qemu_opt_get(opts, "target");
3765 if (target != NULL) {
3766 if (strcmp("native", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3768 } else if (strcmp("gdb", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_GDB;
3770 } else if (strcmp("auto", target) == 0) {
3771 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3773 fprintf(stderr, "Unsupported semihosting-config"
3779 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3781 /* Set semihosting argument count and vector */
3782 qemu_opt_foreach(opts, add_semihosting_arg,
3783 &semihosting, NULL);
3785 fprintf(stderr, "Unsupported semihosting-config %s\n",
3790 case QEMU_OPTION_tdf:
3791 fprintf(stderr, "Warning: user space PIT time drift fix "
3792 "is no longer supported.\n");
3794 case QEMU_OPTION_name:
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3801 case QEMU_OPTION_prom_env:
3802 if (nb_prom_envs >= MAX_PROM_ENVS) {
3803 fprintf(stderr, "Too many prom variables\n");
3806 prom_envs[nb_prom_envs] = optarg;
3809 case QEMU_OPTION_old_param:
3812 case QEMU_OPTION_clock:
3813 /* Clock options no longer exist. Keep this option for
3814 * backward compatibility.
3817 case QEMU_OPTION_startdate:
3818 configure_rtc_date_offset(optarg, 1);
3820 case QEMU_OPTION_rtc:
3821 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3826 configure_rtc(opts);
3828 case QEMU_OPTION_tb_size:
3829 tcg_tb_size = strtol(optarg, NULL, 0);
3830 if (tcg_tb_size < 0) {
3834 case QEMU_OPTION_icount:
3835 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3841 case QEMU_OPTION_incoming:
3843 runstate_set(RUN_STATE_INMIGRATE);
3847 case QEMU_OPTION_nodefaults:
3850 case QEMU_OPTION_xen_domid:
3851 if (!(xen_available())) {
3852 printf("Option %s not supported for this target\n", popt->name);
3855 xen_domid = atoi(optarg);
3857 case QEMU_OPTION_xen_create:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3862 xen_mode = XEN_CREATE;
3864 case QEMU_OPTION_xen_attach:
3865 if (!(xen_available())) {
3866 printf("Option %s not supported for this target\n", popt->name);
3869 xen_mode = XEN_ATTACH;
3871 case QEMU_OPTION_trace:
3873 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3878 trace_events = qemu_opt_get(opts, "events");
3879 trace_file = qemu_opt_get(opts, "file");
3882 case QEMU_OPTION_readconfig:
3884 int ret = qemu_read_config_file(optarg);
3886 fprintf(stderr, "read config %s: %s\n", optarg,
3892 case QEMU_OPTION_spice:
3893 olist = qemu_find_opts("spice");
3895 fprintf(stderr, "spice is not supported by this qemu build.\n");
3898 opts = qemu_opts_parse_noisily(olist, optarg, false);
3904 case QEMU_OPTION_writeconfig:
3907 if (strcmp(optarg, "-") == 0) {
3910 fp = fopen(optarg, "w");
3912 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3916 qemu_config_write(fp);
3922 case QEMU_OPTION_qtest:
3923 qtest_chrdev = optarg;
3925 case QEMU_OPTION_qtest_log:
3928 case QEMU_OPTION_sandbox:
3929 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3935 case QEMU_OPTION_add_fd:
3937 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3943 error_report("File descriptor passing is disabled on this "
3948 case QEMU_OPTION_object:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3955 case QEMU_OPTION_realtime:
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3961 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3963 case QEMU_OPTION_msg:
3964 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3969 configure_msg(opts);
3971 case QEMU_OPTION_dump_vmstate:
3972 if (vmstate_dump_file) {
3973 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3974 "option may be given\n");
3977 vmstate_dump_file = fopen(optarg, "w");
3978 if (vmstate_dump_file == NULL) {
3979 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3984 os_parse_cmd_args(popt->index, optarg);
3989 opts = qemu_get_machine_opts();
3990 optarg = qemu_opt_get(opts, "type");
3992 machine_class = machine_parse(optarg);
3995 if (machine_class == NULL) {
3996 fprintf(stderr, "No machine specified, and there is no default.\n"
3997 "Use -machine help to list supported machines!\n");
4001 set_memory_options(&ram_slots, &maxram_size, machine_class);
4007 if (qemu_init_main_loop(&main_loop_err)) {
4008 error_report_err(main_loop_err);
4012 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4013 parse_sandbox, NULL, NULL)) {
4017 if (qemu_opts_foreach(qemu_find_opts("name"),
4018 parse_name, NULL, NULL)) {
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4024 parse_add_fd, NULL, NULL)) {
4028 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 cleanup_add_fd, NULL, NULL)) {
4034 current_machine = MACHINE(object_new(object_class_get_name(
4035 OBJECT_CLASS(machine_class))));
4036 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4039 object_property_add_child(object_get_root(), "machine",
4040 OBJECT(current_machine), &error_abort);
4041 cpu_exec_init_all();
4043 if (machine_class->hw_version) {
4044 qemu_set_version(machine_class->hw_version);
4047 /* Init CPU def lists, based on config
4048 * - Must be called after all the qemu_read_config_file() calls
4049 * - Must be called before list_cpus()
4050 * - Must be called before machine->init()
4054 if (cpu_model && is_help_option(cpu_model)) {
4055 list_cpus(stdout, &fprintf, cpu_model);
4059 /* Open the logfile at this point and set the log mask if necessary.
4062 qemu_set_log_filename(log_file);
4067 mask = qemu_str_to_log_mask(log_mask);
4069 qemu_print_log_usage(stdout);
4075 if (!is_daemonized()) {
4076 if (!trace_init_backends(trace_events, trace_file)) {
4081 /* If no data_dir is specified then try to find it relative to the
4083 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4084 data_dir[data_dir_idx] = os_find_datadir();
4085 if (data_dir[data_dir_idx] != NULL) {
4089 /* If all else fails use the install path specified when building. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (max_cpus > machine_class->max_cpus) {
4098 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4099 "supported by machine `%s' (%d)\n", max_cpus,
4100 machine_class->name, machine_class->max_cpus);
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4113 qemu_opts_foreach(qemu_find_opts("device"),
4114 default_driver_check, NULL, NULL);
4115 qemu_opts_foreach(qemu_find_opts("global"),
4116 default_driver_check, NULL, NULL);
4118 if (!vga_model && !default_vga) {
4119 vga_interface_type = VGA_DEVICE;
4121 if (!has_defaults || machine_class->no_serial) {
4124 if (!has_defaults || machine_class->no_parallel) {
4125 default_parallel = 0;
4127 if (!has_defaults || !machine_class->use_virtcon) {
4128 default_virtcon = 0;
4130 if (!has_defaults || !machine_class->use_sclp) {
4133 if (!has_defaults || machine_class->no_floppy) {
4136 if (!has_defaults || machine_class->no_cdrom) {
4139 if (!has_defaults || machine_class->no_sdcard) {
4142 if (!has_defaults) {
4143 default_monitor = 0;
4148 if (is_daemonized()) {
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4158 if (display_type == DT_NOGRAPHIC
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4164 #ifdef CONFIG_CURSES
4165 if (display_type == DT_CURSES) {
4166 fprintf(stderr, "curses display can not be used with -daemonize\n");
4172 if (display_type == DT_NOGRAPHIC) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else if (default_sclp && default_monitor) {
4180 add_device_config(DEV_SCLP, "mon:stdio");
4183 add_device_config(DEV_SERIAL, "stdio");
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "stdio");
4187 add_device_config(DEV_SCLP, "stdio");
4189 if (default_monitor)
4190 monitor_parse("stdio", "readline", false);
4194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4195 if (default_parallel)
4196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4197 if (default_monitor)
4198 monitor_parse("vc:80Cx24C", "readline", false);
4199 if (default_virtcon)
4200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4202 add_device_config(DEV_SCLP, "vc:80Cx24C");
4206 #if defined(CONFIG_VNC)
4207 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4211 if (display_type == DT_DEFAULT && !display_remote) {
4212 #if defined(CONFIG_GTK)
4213 display_type = DT_GTK;
4214 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4215 display_type = DT_SDL;
4216 #elif defined(CONFIG_VNC)
4217 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4220 display_type = DT_NONE;
4224 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4225 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4226 "for SDL, ignoring option\n");
4228 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4229 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4230 "ignoring option\n");
4233 #if defined(CONFIG_GTK)
4234 if (display_type == DT_GTK) {
4235 early_gtk_display_init(request_opengl);
4238 #if defined(CONFIG_SDL)
4239 if (display_type == DT_SDL) {
4240 sdl_display_early_init(request_opengl);
4243 if (request_opengl == 1 && display_opengl == 0) {
4244 #if defined(CONFIG_OPENGL)
4245 fprintf(stderr, "OpenGL is not supported by the display.\n");
4247 fprintf(stderr, "QEMU was built without opengl support.\n");
4254 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 object_create_initial, NULL)) {
4260 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4261 chardev_init_func, NULL, NULL)) {
4265 #ifdef CONFIG_VIRTFS
4266 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4267 fsdev_init_func, NULL, NULL)) {
4272 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4273 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4277 if (qemu_opts_foreach(qemu_find_opts("device"),
4278 device_help_func, NULL, NULL)) {
4282 if (qemu_opts_foreach(qemu_find_opts("object"),
4284 object_create_delayed, NULL)) {
4288 machine_opts = qemu_get_machine_opts();
4289 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4291 object_unref(OBJECT(current_machine));
4295 configure_accelerator(current_machine);
4298 Error *local_err = NULL;
4299 qtest_init(qtest_chrdev, qtest_log, &local_err);
4301 error_report_err(local_err);
4306 machine_opts = qemu_get_machine_opts();
4307 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4308 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4309 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4310 bios_name = qemu_opt_get(machine_opts, "firmware");
4312 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4314 Error *local_err = NULL;
4316 boot_order = qemu_opt_get(opts, "order");
4318 validate_bootdevices(boot_order, &local_err);
4320 error_report_err(local_err);
4325 boot_once = qemu_opt_get(opts, "once");
4327 validate_bootdevices(boot_once, &local_err);
4329 error_report_err(local_err);
4334 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4335 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4339 boot_order = machine_class->default_boot_order;
4342 if (!kernel_cmdline) {
4343 kernel_cmdline = "";
4344 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4347 linux_boot = (kernel_filename != NULL);
4349 if (!linux_boot && *kernel_cmdline != '\0') {
4350 fprintf(stderr, "-append only allowed with -kernel option\n");
4354 if (!linux_boot && initrd_filename != NULL) {
4355 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4359 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4360 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4364 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4365 /* fall back to the -kernel/-append */
4366 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4369 os_set_line_buffering();
4372 /* spice needs the timers to be initialized by this point */
4378 if (kvm_enabled() || xen_enabled()) {
4379 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4382 configure_icount(icount_opts, &error_abort);
4383 qemu_opts_del(icount_opts);
4386 /* clean up network at qemu process termination */
4387 atexit(&net_cleanup);
4389 if (net_init_clients() < 0) {
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 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
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 */
4423 qemu_opts_foreach(qemu_find_opts("drive"),
4424 drive_enable_snapshot, NULL, NULL);
4425 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4426 &machine_class->block_default_type, NULL)) {
4430 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4432 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4433 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4435 parse_numa_opts(machine_class);
4437 if (qemu_opts_foreach(qemu_find_opts("mon"),
4438 mon_init_func, NULL, NULL)) {
4442 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4444 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4446 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4448 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4451 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4454 /* If no default VGA is requested, the default is "none". */
4456 if (machine_class->default_display) {
4457 vga_model = machine_class->default_display;
4458 } else if (cirrus_vga_available()) {
4459 vga_model = "cirrus";
4460 } else if (vga_available()) {
4465 select_vgahw(vga_model);
4469 i = select_watchdog(watchdog);
4471 exit (i == 1 ? 1 : 0);
4474 if (machine_class->compat_props) {
4475 qdev_prop_register_global_list(machine_class->compat_props);
4479 qdev_machine_init();
4481 current_machine->ram_size = ram_size;
4482 current_machine->maxram_size = maxram_size;
4483 current_machine->ram_slots = ram_slots;
4484 current_machine->boot_order = boot_order;
4485 current_machine->cpu_model = cpu_model;
4487 machine_class->init(current_machine);
4493 cpu_synchronize_all_post_init();
4495 numa_post_machine_init();
4497 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4498 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4502 /* init USB devices */
4503 if (usb_enabled()) {
4504 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4508 /* Check if IGD GFX passthrough. */
4511 /* init generic devices */
4512 if (qemu_opts_foreach(qemu_find_opts("device"),
4513 device_init_func, NULL, NULL)) {
4517 /* Did we create any drives that we failed to create a device for? */
4518 drive_check_orphaned();
4520 net_check_clients();
4523 Error *local_err = NULL;
4524 qemu_boot_set(boot_once, &local_err);
4526 error_report("%s", error_get_pretty(local_err));
4529 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4532 ds = init_displaystate();
4534 /* init local displays */
4535 switch (display_type) {
4537 (void)ds; /* avoid warning if no display is configured */
4539 #if defined(CONFIG_CURSES)
4541 curses_display_init(ds, full_screen);
4544 #if defined(CONFIG_SDL)
4546 sdl_display_init(ds, full_screen, no_frame);
4548 #elif defined(CONFIG_COCOA)
4550 cocoa_display_init(ds, full_screen);
4553 #if defined(CONFIG_GTK)
4555 gtk_display_init(ds, full_screen, grab_on_hover);
4562 /* must be after terminal init, SDL library changes signal handlers */
4563 os_setup_signal_handling();
4566 /* init remote displays */
4567 qemu_opts_foreach(qemu_find_opts("vnc"),
4568 vnc_init_func, NULL, NULL);
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on `%s'\n", ret);
4577 qemu_spice_display_init();
4581 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4585 qdev_machine_creation_done();
4587 /* TODO: once all bus devices are qdevified, this should be done
4588 * when bus is created by qdev.c */
4589 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4590 qemu_run_machine_init_done_notifiers();
4592 if (rom_check_and_register_reset() != 0) {
4593 fprintf(stderr, "rom check and register reset failed\n");
4597 qemu_system_reset(VMRESET_SILENT);
4598 register_global_state();
4600 if (load_vmstate(loadvm) < 0) {
4605 qdev_prop_check_globals();
4606 if (vmstate_dump_file) {
4608 dump_vmstate_json_to_file(vmstate_dump_file);
4613 Error *local_err = NULL;
4614 qemu_start_incoming_migration(incoming, &local_err);
4616 error_report("-incoming %s: %s", incoming,
4617 error_get_pretty(local_err));
4618 error_free(local_err);
4621 } else if (autostart) {
4627 if (is_daemonized()) {
4628 if (!trace_init_backends(trace_events, trace_file)) {