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",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets content of the blob to be inserted from a string",
520 { /* end of list */ }
525 * Get machine options
527 * Returns: machine options (never null).
529 QemuOpts *qemu_get_machine_opts(void)
531 return qemu_find_opts_singleton("machine");
534 const char *qemu_get_vm_name(void)
539 static void res_free(void)
541 g_free(boot_splash_filedata);
542 boot_splash_filedata = NULL;
545 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 const char *driver = qemu_opt_get(opts, "driver");
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
555 *(default_list[i].flag) = 0;
560 /***********************************************************/
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
565 /* We use RUN_STATE_MAX but any invalid value will do */
566 static RunState vmstop_requested = RUN_STATE_MAX;
567 static QemuMutex vmstop_lock;
572 } RunStateTransition;
574 static const RunStateTransition runstate_transitions_def[] = {
576 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
577 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
579 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
580 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
583 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
585 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
586 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
605 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
608 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
610 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
611 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
614 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
616 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
618 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
619 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
621 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
623 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
627 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
628 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
629 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_MAX, RUN_STATE_MAX },
640 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
642 bool runstate_check(RunState state)
644 return current_run_state == state;
647 bool runstate_store(char *str, size_t size)
649 const char *state = RunState_lookup[current_run_state];
650 size_t len = strlen(state) + 1;
655 memcpy(str, state, len);
659 static void runstate_init(void)
661 const RunStateTransition *p;
663 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
664 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
665 runstate_valid_transitions[p->from][p->to] = true;
668 qemu_mutex_init(&vmstop_lock);
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state)
674 assert(new_state < RUN_STATE_MAX);
676 if (!runstate_valid_transitions[current_run_state][new_state]) {
677 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
678 RunState_lookup[current_run_state],
679 RunState_lookup[new_state]);
682 trace_runstate_set(new_state);
683 current_run_state = new_state;
686 int runstate_is_running(void)
688 return runstate_check(RUN_STATE_RUNNING);
691 bool runstate_needs_reset(void)
693 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
694 runstate_check(RUN_STATE_SHUTDOWN);
697 StatusInfo *qmp_query_status(Error **errp)
699 StatusInfo *info = g_malloc0(sizeof(*info));
701 info->running = runstate_is_running();
702 info->singlestep = singlestep;
703 info->status = current_run_state;
708 static bool qemu_vmstop_requested(RunState *r)
710 qemu_mutex_lock(&vmstop_lock);
711 *r = vmstop_requested;
712 vmstop_requested = RUN_STATE_MAX;
713 qemu_mutex_unlock(&vmstop_lock);
714 return *r < RUN_STATE_MAX;
717 void qemu_system_vmstop_request_prepare(void)
719 qemu_mutex_lock(&vmstop_lock);
722 void qemu_system_vmstop_request(RunState state)
724 vmstop_requested = state;
725 qemu_mutex_unlock(&vmstop_lock);
733 qemu_vmstop_requested(&requested);
734 if (runstate_is_running() && requested == RUN_STATE_MAX) {
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort);
747 runstate_set(RUN_STATE_RUNNING);
748 vm_state_notify(1, RUN_STATE_RUNNING);
752 qapi_event_send_resume(&error_abort);
756 /***********************************************************/
757 /* real time host monotonic timer */
759 static time_t qemu_time(void)
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm *tm, int offset)
768 time_t ti = qemu_time();
771 if (rtc_date_offset == -1) {
775 localtime_r(&ti, tm);
777 ti -= rtc_date_offset;
782 int qemu_timedate_diff(struct tm *tm)
786 if (rtc_date_offset == -1)
788 seconds = mktimegm(tm);
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
795 seconds = mktimegm(tm) + rtc_date_offset;
797 return seconds - qemu_time();
800 static void configure_rtc_date_offset(const char *startdate, int legacy)
802 time_t rtc_start_date;
805 if (!strcmp(startdate, "now") && legacy) {
806 rtc_date_offset = -1;
808 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
816 } else if (sscanf(startdate, "%d-%d-%d",
828 rtc_start_date = mktimegm(&tm);
829 if (rtc_start_date == -1) {
831 fprintf(stderr, "Invalid date format. Valid formats are:\n"
832 "'2006-06-17T16:01:21' or '2006-06-17'\n");
835 rtc_date_offset = qemu_time() - rtc_start_date;
839 static void configure_rtc(QemuOpts *opts)
843 value = qemu_opt_get(opts, "base");
845 if (!strcmp(value, "utc")) {
847 } else if (!strcmp(value, "localtime")) {
850 configure_rtc_date_offset(value, 0);
853 value = qemu_opt_get(opts, "clock");
855 if (!strcmp(value, "host")) {
856 rtc_clock = QEMU_CLOCK_HOST;
857 } else if (!strcmp(value, "rt")) {
858 rtc_clock = QEMU_CLOCK_REALTIME;
859 } else if (!strcmp(value, "vm")) {
860 rtc_clock = QEMU_CLOCK_VIRTUAL;
862 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
866 value = qemu_opt_get(opts, "driftfix");
868 if (!strcmp(value, "slew")) {
869 static GlobalProperty slew_lost_ticks[] = {
871 .driver = "mc146818rtc",
872 .property = "lost_tick_policy",
875 { /* end of list */ }
878 qdev_prop_register_global_list(slew_lost_ticks);
879 } else if (!strcmp(value, "none")) {
880 /* discard is default */
882 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
888 /***********************************************************/
889 /* Bluetooth support */
892 static struct HCIInfo *hci_table[MAX_NICS];
894 struct HCIInfo *qemu_next_hci(void)
896 if (cur_hci == nb_hcis)
899 return hci_table[cur_hci++];
902 static int bt_hci_parse(const char *str)
907 if (nb_hcis >= MAX_NICS) {
908 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
921 bdaddr.b[5] = 0x56 + nb_hcis;
922 hci->bdaddr_set(hci, bdaddr.b);
924 hci_table[nb_hcis++] = hci;
929 static void bt_vhci_add(int vlan_id)
931 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
934 fprintf(stderr, "qemu: warning: adding a VHCI to "
935 "an empty scatternet %i\n", vlan_id);
937 bt_vhci_init(bt_new_hci(vlan));
940 static struct bt_device_s *bt_device_add(const char *opt)
942 struct bt_scatternet_s *vlan;
944 char *endp = strstr(opt, ",vlan=");
945 int len = (endp ? endp - opt : strlen(opt)) + 1;
948 pstrcpy(devname, MIN(sizeof(devname), len), opt);
951 vlan_id = strtol(endp + 6, &endp, 0);
953 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
958 vlan = qemu_find_bt_vlan(vlan_id);
961 fprintf(stderr, "qemu: warning: adding a slave device to "
962 "an empty scatternet %i\n", vlan_id);
964 if (!strcmp(devname, "keyboard"))
965 return bt_keyboard_init(vlan);
967 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
971 static int bt_parse(const char *opt)
973 const char *endp, *p;
976 if (strstart(opt, "hci", &endp)) {
977 if (!*endp || *endp == ',') {
979 if (!strstart(endp, ",vlan=", 0))
982 return bt_hci_parse(opt);
984 } else if (strstart(opt, "vhci", &endp)) {
985 if (!*endp || *endp == ',') {
987 if (strstart(endp, ",vlan=", &p)) {
988 vlan = strtol(p, (char **) &endp, 0);
990 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
994 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1003 } else if (strstart(opt, "device:", &endp))
1004 return !bt_device_add(endp);
1006 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1010 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1012 /* FIXME: change this to true for 1.3 */
1013 if (qemu_opt_get_bool(opts, "enable", false)) {
1014 #ifdef CONFIG_SECCOMP
1015 if (seccomp_start() < 0) {
1016 error_report("failed to install seccomp syscall filter "
1021 error_report("sandboxing request but seccomp is not compiled "
1030 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1032 const char *proc_name;
1034 if (qemu_opt_get(opts, "debug-threads")) {
1035 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1037 qemu_name = qemu_opt_get(opts, "guest");
1039 proc_name = qemu_opt_get(opts, "process");
1041 os_set_proc_name(proc_name);
1047 bool defaults_enabled(void)
1049 return has_defaults;
1052 bool usb_enabled(void)
1054 return machine_usb(current_machine);
1058 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1060 int fd, dupfd, flags;
1062 const char *fd_opaque = NULL;
1065 fd = qemu_opt_get_number(opts, "fd", -1);
1066 fdset_id = qemu_opt_get_number(opts, "set", -1);
1067 fd_opaque = qemu_opt_get(opts, "opaque");
1070 error_report("fd option is required and must be non-negative");
1074 if (fd <= STDERR_FILENO) {
1075 error_report("fd cannot be a standard I/O stream");
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 error_report("fd is not valid or already in use");
1090 error_report("set option is required and must be non-negative");
1094 #ifdef F_DUPFD_CLOEXEC
1095 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1099 qemu_set_cloexec(dupfd);
1103 error_report("Error duplicating fd: %s", strerror(errno));
1107 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1108 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1115 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1119 fd = qemu_opt_get_number(opts, "fd", -1);
1126 /***********************************************************/
1127 /* QEMU Block devices */
1129 #define HD_OPTS "media=disk"
1130 #define CDROM_OPTS "media=cdrom"
1132 #define PFLASH_OPTS ""
1136 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1138 BlockInterfaceType *block_default_type = opaque;
1140 return drive_new(opts, *block_default_type) == NULL;
1143 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1145 if (qemu_opt_get(opts, "snapshot") == NULL) {
1146 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1151 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1152 int index, const char *optstr)
1157 if (!enable || drive_get_by_index(type, index)) {
1161 opts = drive_add(type, index, NULL, optstr);
1163 drive_enable_snapshot(NULL, opts, NULL);
1166 dinfo = drive_new(opts, type);
1170 dinfo->is_default = true;
1174 static QemuOptsList qemu_smp_opts = {
1176 .implied_opt_name = "cpus",
1177 .merge_lists = true,
1178 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1182 .type = QEMU_OPT_NUMBER,
1185 .type = QEMU_OPT_NUMBER,
1188 .type = QEMU_OPT_NUMBER,
1191 .type = QEMU_OPT_NUMBER,
1194 .type = QEMU_OPT_NUMBER,
1196 { /*End of list */ }
1200 static void smp_parse(QemuOpts *opts)
1204 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1205 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1206 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1207 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1209 /* compute missing values, prefer sockets over cores over threads */
1210 if (cpus == 0 || sockets == 0) {
1211 sockets = sockets > 0 ? sockets : 1;
1212 cores = cores > 0 ? cores : 1;
1213 threads = threads > 0 ? threads : 1;
1215 cpus = cores * threads * sockets;
1217 } else if (cores == 0) {
1218 threads = threads > 0 ? threads : 1;
1219 cores = cpus / (sockets * threads);
1220 } else if (threads == 0) {
1221 threads = cpus / (cores * sockets);
1222 } else if (sockets * cores * threads < cpus) {
1223 fprintf(stderr, "cpu topology: error: "
1224 "sockets (%u) * cores (%u) * threads (%u) < "
1226 sockets, cores, threads, cpus);
1230 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1231 if (sockets * cores * threads > max_cpus) {
1232 fprintf(stderr, "cpu topology: error: "
1233 "sockets (%u) * cores (%u) * threads (%u) > maxcpus (%u)\n",
1234 sockets, cores, threads, max_cpus);
1239 smp_cores = cores > 0 ? cores : 1;
1240 smp_threads = threads > 0 ? threads : 1;
1244 if (max_cpus == 0) {
1245 max_cpus = smp_cpus;
1248 if (max_cpus > MAX_CPUMASK_BITS) {
1249 fprintf(stderr, "Unsupported number of maxcpus\n");
1252 if (max_cpus < smp_cpus) {
1253 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1259 static void realtime_init(void)
1262 if (os_mlock() < 0) {
1263 fprintf(stderr, "qemu: locking memory failed\n");
1270 static void configure_msg(QemuOpts *opts)
1272 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 /***********************************************************/
1278 typedef struct SemihostingConfig {
1280 SemihostingTarget target;
1283 const char *cmdline; /* concatenated argv */
1284 } SemihostingConfig;
1286 static SemihostingConfig semihosting;
1288 bool semihosting_enabled(void)
1290 return semihosting.enabled;
1293 SemihostingTarget semihosting_get_target(void)
1295 return semihosting.target;
1298 const char *semihosting_get_arg(int i)
1300 if (i >= semihosting.argc) {
1303 return semihosting.argv[i];
1306 int semihosting_get_argc(void)
1308 return semihosting.argc;
1311 const char *semihosting_get_cmdline(void)
1313 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1314 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1316 return semihosting.cmdline;
1319 static int add_semihosting_arg(void *opaque,
1320 const char *name, const char *val,
1323 SemihostingConfig *s = opaque;
1324 if (strcmp(name, "arg") == 0) {
1326 /* one extra element as g_strjoinv() expects NULL-terminated array */
1327 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1328 s->argv[s->argc - 1] = val;
1329 s->argv[s->argc] = NULL;
1334 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1335 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1340 add_semihosting_arg(&semihosting, "arg", file, NULL);
1342 /* split -append and initialize argv[1..n] */
1343 cmd_token = strtok(g_strdup(cmd), " ");
1345 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1346 cmd_token = strtok(NULL, " ");
1350 /* Now we still need this for compatibility with XEN. */
1351 bool has_igd_gfx_passthru;
1352 static void igd_gfx_passthru(void)
1354 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 /***********************************************************/
1360 static int usb_device_add(const char *devname)
1362 USBDevice *dev = NULL;
1363 #ifndef CONFIG_LINUX
1367 if (!usb_enabled()) {
1371 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1372 dev = usbdevice_create(devname);
1376 /* the other ones */
1377 #ifndef CONFIG_LINUX
1378 /* only the linux version is qdev-ified, usb-bsd still needs this */
1379 if (strstart(devname, "host:", &p)) {
1380 dev = usb_host_device_open(usb_bus_find(-1), p);
1390 static int usb_device_del(const char *devname)
1395 if (strstart(devname, "host:", &p)) {
1399 if (!usb_enabled()) {
1403 p = strchr(devname, '.');
1406 bus_num = strtoul(devname, NULL, 0);
1407 addr = strtoul(p + 1, NULL, 0);
1409 return usb_device_delete_addr(bus_num, addr);
1412 static int usb_parse(const char *cmdline)
1415 r = usb_device_add(cmdline);
1417 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1422 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1424 const char *devname = qdict_get_str(qdict, "devname");
1425 if (usb_device_add(devname) < 0) {
1426 error_report("could not add USB device '%s'", devname);
1430 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1432 const char *devname = qdict_get_str(qdict, "devname");
1433 if (usb_device_del(devname) < 0) {
1434 error_report("could not delete USB device '%s'", devname);
1438 /***********************************************************/
1439 /* machine registration */
1441 MachineState *current_machine;
1443 static MachineClass *find_machine(const char *name)
1445 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1446 MachineClass *mc = NULL;
1448 for (el = machines; el; el = el->next) {
1449 MachineClass *temp = el->data;
1451 if (!strcmp(temp->name, name)) {
1456 !strcmp(temp->alias, name)) {
1462 g_slist_free(machines);
1466 MachineClass *find_default_machine(void)
1468 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1469 MachineClass *mc = NULL;
1471 for (el = machines; el; el = el->next) {
1472 MachineClass *temp = el->data;
1474 if (temp->is_default) {
1480 g_slist_free(machines);
1484 MachineInfoList *qmp_query_machines(Error **errp)
1486 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1487 MachineInfoList *mach_list = NULL;
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *mc = el->data;
1491 MachineInfoList *entry;
1494 info = g_malloc0(sizeof(*info));
1495 if (mc->is_default) {
1496 info->has_is_default = true;
1497 info->is_default = true;
1501 info->has_alias = true;
1502 info->alias = g_strdup(mc->alias);
1505 info->name = g_strdup(mc->name);
1506 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1508 entry = g_malloc0(sizeof(*entry));
1509 entry->value = info;
1510 entry->next = mach_list;
1514 g_slist_free(machines);
1518 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1520 ObjectProperty *prop;
1522 if (!qemu_opt_has_help_opt(opts)) {
1526 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1531 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1532 prop->name, prop->type);
1533 if (prop->description) {
1534 error_printf(" (%s)\n", prop->description);
1543 /***********************************************************/
1544 /* main execution loop */
1546 struct vm_change_state_entry {
1547 VMChangeStateHandler *cb;
1549 QLIST_ENTRY (vm_change_state_entry) entries;
1552 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1554 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1557 VMChangeStateEntry *e;
1559 e = g_malloc0(sizeof (*e));
1563 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1567 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1569 QLIST_REMOVE (e, entries);
1573 void vm_state_notify(int running, RunState state)
1575 VMChangeStateEntry *e, *next;
1577 trace_vm_state_notify(running, state);
1579 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1580 e->cb(e->opaque, running, state);
1584 /* reset/shutdown handler */
1586 typedef struct QEMUResetEntry {
1587 QTAILQ_ENTRY(QEMUResetEntry) entry;
1588 QEMUResetHandler *func;
1592 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1593 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1594 static int reset_requested;
1595 static int shutdown_requested, shutdown_signal = -1;
1596 static pid_t shutdown_pid;
1597 static int powerdown_requested;
1598 static int debug_requested;
1599 static int suspend_requested;
1600 static WakeupReason wakeup_reason;
1601 static NotifierList powerdown_notifiers =
1602 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1603 static NotifierList suspend_notifiers =
1604 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1605 static NotifierList wakeup_notifiers =
1606 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1607 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1609 int qemu_shutdown_requested_get(void)
1611 return shutdown_requested;
1614 int qemu_reset_requested_get(void)
1616 return reset_requested;
1619 static int qemu_shutdown_requested(void)
1621 return atomic_xchg(&shutdown_requested, 0);
1624 static void qemu_kill_report(void)
1626 if (!qtest_driver() && shutdown_signal != -1) {
1627 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1628 if (shutdown_pid == 0) {
1629 /* This happens for eg ^C at the terminal, so it's worth
1630 * avoiding printing an odd message in that case.
1632 fputc('\n', stderr);
1634 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1636 shutdown_signal = -1;
1640 static int qemu_reset_requested(void)
1642 int r = reset_requested;
1643 reset_requested = 0;
1647 static int qemu_suspend_requested(void)
1649 int r = suspend_requested;
1650 suspend_requested = 0;
1654 static WakeupReason qemu_wakeup_requested(void)
1656 return wakeup_reason;
1659 static int qemu_powerdown_requested(void)
1661 int r = powerdown_requested;
1662 powerdown_requested = 0;
1666 static int qemu_debug_requested(void)
1668 int r = debug_requested;
1669 debug_requested = 0;
1673 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1675 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1678 re->opaque = opaque;
1679 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1682 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1686 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1687 if (re->func == func && re->opaque == opaque) {
1688 QTAILQ_REMOVE(&reset_handlers, re, entry);
1695 void qemu_devices_reset(void)
1697 QEMUResetEntry *re, *nre;
1699 /* reset all devices */
1700 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1701 re->func(re->opaque);
1705 void qemu_system_reset(bool report)
1709 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1711 if (mc && mc->reset) {
1714 qemu_devices_reset();
1717 qapi_event_send_reset(&error_abort);
1719 cpu_synchronize_all_post_reset();
1722 void qemu_system_guest_panicked(void)
1725 current_cpu->crash_occurred = true;
1727 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1728 vm_stop(RUN_STATE_GUEST_PANICKED);
1731 void qemu_system_reset_request(void)
1734 shutdown_requested = 1;
1736 reset_requested = 1;
1739 qemu_notify_event();
1742 static void qemu_system_suspend(void)
1745 notifier_list_notify(&suspend_notifiers, NULL);
1746 runstate_set(RUN_STATE_SUSPENDED);
1747 qapi_event_send_suspend(&error_abort);
1750 void qemu_system_suspend_request(void)
1752 if (runstate_check(RUN_STATE_SUSPENDED)) {
1755 suspend_requested = 1;
1757 qemu_notify_event();
1760 void qemu_register_suspend_notifier(Notifier *notifier)
1762 notifier_list_add(&suspend_notifiers, notifier);
1765 void qemu_system_wakeup_request(WakeupReason reason)
1767 trace_system_wakeup_request(reason);
1769 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1772 if (!(wakeup_reason_mask & (1 << reason))) {
1775 runstate_set(RUN_STATE_RUNNING);
1776 wakeup_reason = reason;
1777 qemu_notify_event();
1780 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1783 wakeup_reason_mask |= (1 << reason);
1785 wakeup_reason_mask &= ~(1 << reason);
1789 void qemu_register_wakeup_notifier(Notifier *notifier)
1791 notifier_list_add(&wakeup_notifiers, notifier);
1794 void qemu_system_killed(int signal, pid_t pid)
1796 shutdown_signal = signal;
1799 qemu_system_shutdown_request();
1802 void qemu_system_shutdown_request(void)
1804 trace_qemu_system_shutdown_request();
1805 shutdown_requested = 1;
1806 qemu_notify_event();
1809 static void qemu_system_powerdown(void)
1811 qapi_event_send_powerdown(&error_abort);
1812 notifier_list_notify(&powerdown_notifiers, NULL);
1815 void qemu_system_powerdown_request(void)
1817 trace_qemu_system_powerdown_request();
1818 powerdown_requested = 1;
1819 qemu_notify_event();
1822 void qemu_register_powerdown_notifier(Notifier *notifier)
1824 notifier_list_add(&powerdown_notifiers, notifier);
1827 void qemu_system_debug_request(void)
1829 debug_requested = 1;
1830 qemu_notify_event();
1833 static bool main_loop_should_exit(void)
1836 if (qemu_debug_requested()) {
1837 vm_stop(RUN_STATE_DEBUG);
1839 if (qemu_suspend_requested()) {
1840 qemu_system_suspend();
1842 if (qemu_shutdown_requested()) {
1844 qapi_event_send_shutdown(&error_abort);
1846 vm_stop(RUN_STATE_SHUTDOWN);
1851 if (qemu_reset_requested()) {
1853 cpu_synchronize_all_states();
1854 qemu_system_reset(VMRESET_REPORT);
1856 if (runstate_needs_reset()) {
1857 runstate_set(RUN_STATE_PAUSED);
1860 if (qemu_wakeup_requested()) {
1862 cpu_synchronize_all_states();
1863 qemu_system_reset(VMRESET_SILENT);
1864 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1865 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1867 qapi_event_send_wakeup(&error_abort);
1869 if (qemu_powerdown_requested()) {
1870 qemu_system_powerdown();
1872 if (qemu_vmstop_requested(&r)) {
1878 static void main_loop(void)
1882 #ifdef CONFIG_PROFILER
1886 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1887 #ifdef CONFIG_PROFILER
1888 ti = profile_getclock();
1890 last_io = main_loop_wait(nonblocking);
1891 #ifdef CONFIG_PROFILER
1892 dev_time += profile_getclock() - ti;
1894 } while (!main_loop_should_exit());
1897 static void version(void)
1899 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1902 static void help(int exitcode)
1905 printf("usage: %s [options] [disk_image]\n\n"
1906 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1907 error_get_progname());
1909 #define QEMU_OPTIONS_GENERATE_HELP
1910 #include "qemu-options-wrapper.h"
1912 printf("\nDuring emulation, the following keys are useful:\n"
1913 "ctrl-alt-f toggle full screen\n"
1914 "ctrl-alt-n switch to virtual console 'n'\n"
1915 "ctrl-alt toggle mouse and keyboard grab\n"
1917 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1922 #define HAS_ARG 0x0001
1924 typedef struct QEMUOption {
1931 static const QEMUOption qemu_options[] = {
1932 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1933 #define QEMU_OPTIONS_GENERATE_OPTIONS
1934 #include "qemu-options-wrapper.h"
1938 static bool vga_available(void)
1940 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1943 static bool cirrus_vga_available(void)
1945 return object_class_by_name("cirrus-vga")
1946 || object_class_by_name("isa-cirrus-vga");
1949 static bool vmware_vga_available(void)
1951 return object_class_by_name("vmware-svga");
1954 static bool qxl_vga_available(void)
1956 return object_class_by_name("qxl-vga");
1959 static bool tcx_vga_available(void)
1961 return object_class_by_name("SUNW,tcx");
1964 static bool cg3_vga_available(void)
1966 return object_class_by_name("cgthree");
1969 static bool virtio_vga_available(void)
1971 return object_class_by_name("virtio-vga");
1974 static void select_vgahw (const char *p)
1978 assert(vga_interface_type == VGA_NONE);
1979 if (strstart(p, "std", &opts)) {
1980 if (vga_available()) {
1981 vga_interface_type = VGA_STD;
1983 fprintf(stderr, "Error: standard VGA not available\n");
1986 } else if (strstart(p, "cirrus", &opts)) {
1987 if (cirrus_vga_available()) {
1988 vga_interface_type = VGA_CIRRUS;
1990 fprintf(stderr, "Error: Cirrus VGA not available\n");
1993 } else if (strstart(p, "vmware", &opts)) {
1994 if (vmware_vga_available()) {
1995 vga_interface_type = VGA_VMWARE;
1997 fprintf(stderr, "Error: VMWare SVGA not available\n");
2000 } else if (strstart(p, "virtio", &opts)) {
2001 if (virtio_vga_available()) {
2002 vga_interface_type = VGA_VIRTIO;
2004 fprintf(stderr, "Error: Virtio VGA not available\n");
2007 } else if (strstart(p, "xenfb", &opts)) {
2008 vga_interface_type = VGA_XENFB;
2009 } else if (strstart(p, "qxl", &opts)) {
2010 if (qxl_vga_available()) {
2011 vga_interface_type = VGA_QXL;
2013 fprintf(stderr, "Error: QXL VGA not available\n");
2016 } else if (strstart(p, "tcx", &opts)) {
2017 if (tcx_vga_available()) {
2018 vga_interface_type = VGA_TCX;
2020 fprintf(stderr, "Error: TCX framebuffer not available\n");
2023 } else if (strstart(p, "cg3", &opts)) {
2024 if (cg3_vga_available()) {
2025 vga_interface_type = VGA_CG3;
2027 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2030 } else if (!strstart(p, "none", &opts)) {
2032 fprintf(stderr, "Unknown vga type: %s\n", p);
2036 const char *nextopt;
2038 if (strstart(opts, ",retrace=", &nextopt)) {
2040 if (strstart(opts, "dumb", &nextopt))
2041 vga_retrace_method = VGA_RETRACE_DUMB;
2042 else if (strstart(opts, "precise", &nextopt))
2043 vga_retrace_method = VGA_RETRACE_PRECISE;
2044 else goto invalid_vga;
2045 } else goto invalid_vga;
2050 static DisplayType select_display(const char *p)
2053 DisplayType display = DT_DEFAULT;
2055 if (strstart(p, "sdl", &opts)) {
2059 const char *nextopt;
2061 if (strstart(opts, ",frame=", &nextopt)) {
2063 if (strstart(opts, "on", &nextopt)) {
2065 } else if (strstart(opts, "off", &nextopt)) {
2068 goto invalid_sdl_args;
2070 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2072 if (strstart(opts, "on", &nextopt)) {
2074 } else if (strstart(opts, "off", &nextopt)) {
2077 goto invalid_sdl_args;
2079 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2081 if (strstart(opts, "on", &nextopt)) {
2083 } else if (strstart(opts, "off", &nextopt)) {
2086 goto invalid_sdl_args;
2088 } else if (strstart(opts, ",window_close=", &nextopt)) {
2090 if (strstart(opts, "on", &nextopt)) {
2092 } else if (strstart(opts, "off", &nextopt)) {
2095 goto invalid_sdl_args;
2097 } else if (strstart(opts, ",gl=", &nextopt)) {
2099 if (strstart(opts, "on", &nextopt)) {
2101 } else if (strstart(opts, "off", &nextopt)) {
2104 goto invalid_sdl_args;
2108 error_report("Invalid SDL option string");
2114 error_report("SDL support is disabled");
2117 } else if (strstart(p, "vnc", &opts)) {
2121 if (vnc_parse(opts + 1, &err) == NULL) {
2122 error_report_err(err);
2126 error_report("VNC requires a display argument vnc=<display>");
2130 error_report("VNC support is disabled");
2133 } else if (strstart(p, "curses", &opts)) {
2134 #ifdef CONFIG_CURSES
2135 display = DT_CURSES;
2137 error_report("Curses support is disabled");
2140 } else if (strstart(p, "gtk", &opts)) {
2144 const char *nextopt;
2146 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2148 if (strstart(opts, "on", &nextopt)) {
2149 grab_on_hover = true;
2150 } else if (strstart(opts, "off", &nextopt)) {
2151 grab_on_hover = false;
2153 goto invalid_gtk_args;
2155 } else if (strstart(opts, ",gl=", &nextopt)) {
2157 if (strstart(opts, "on", &nextopt)) {
2159 } else if (strstart(opts, "off", &nextopt)) {
2162 goto invalid_gtk_args;
2166 error_report("Invalid GTK option string");
2172 error_report("GTK support is disabled");
2175 } else if (strstart(p, "none", &opts)) {
2178 error_report("Unknown display type");
2185 static int balloon_parse(const char *arg)
2189 if (strcmp(arg, "none") == 0) {
2193 if (!strncmp(arg, "virtio", 6)) {
2194 if (arg[6] == ',') {
2195 /* have params -> parse them */
2196 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2201 /* create empty opts */
2202 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2205 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2212 char *qemu_find_file(int type, const char *name)
2218 /* Try the name as a straight path first */
2219 if (access(name, R_OK) == 0) {
2220 trace_load_file(name, name);
2221 return g_strdup(name);
2225 case QEMU_FILE_TYPE_BIOS:
2228 case QEMU_FILE_TYPE_KEYMAP:
2229 subdir = "keymaps/";
2235 for (i = 0; i < data_dir_idx; i++) {
2236 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2237 if (access(buf, R_OK) == 0) {
2238 trace_load_file(name, buf);
2246 static inline bool nonempty_str(const char *str)
2251 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2255 const char *name, *file, *str;
2257 if (opaque == NULL) {
2258 error_report("fw_cfg device not available");
2261 name = qemu_opt_get(opts, "name");
2262 file = qemu_opt_get(opts, "file");
2263 str = qemu_opt_get(opts, "string");
2265 /* we need name and either a file or the content string */
2266 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2267 error_report("invalid argument(s)");
2270 if (nonempty_str(file) && nonempty_str(str)) {
2271 error_report("file and string are mutually exclusive");
2274 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2275 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2278 if (strncmp(name, "opt/", 4) != 0) {
2279 error_report("WARNING: externally provided fw_cfg item names "
2280 "should be prefixed with \"opt/\"!");
2282 if (nonempty_str(str)) {
2283 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2284 buf = g_memdup(str, size);
2286 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2287 error_report("can't load %s", file);
2291 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2295 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2297 return qdev_device_help(opts);
2300 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2305 dev = qdev_device_add(opts, &err);
2307 error_report_err(err);
2310 object_unref(OBJECT(dev));
2314 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2316 Error *local_err = NULL;
2318 qemu_chr_new_from_opts(opts, NULL, &local_err);
2320 error_report_err(local_err);
2326 #ifdef CONFIG_VIRTFS
2327 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 ret = qemu_fsdev_add(opts);
2336 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338 CharDriverState *chr;
2339 const char *chardev;
2343 mode = qemu_opt_get(opts, "mode");
2347 if (strcmp(mode, "readline") == 0) {
2348 flags = MONITOR_USE_READLINE;
2349 } else if (strcmp(mode, "control") == 0) {
2350 flags = MONITOR_USE_CONTROL;
2352 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2356 if (qemu_opt_get_bool(opts, "pretty", 0))
2357 flags |= MONITOR_USE_PRETTY;
2359 if (qemu_opt_get_bool(opts, "default", 0))
2360 flags |= MONITOR_IS_DEFAULT;
2362 chardev = qemu_opt_get(opts, "chardev");
2363 chr = qemu_chr_find(chardev);
2365 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2369 qemu_chr_fe_claim_no_fail(chr);
2370 monitor_init(chr, flags);
2374 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2376 static int monitor_device_index = 0;
2377 Error *local_err = NULL;
2383 if (strstart(optarg, "chardev:", &p)) {
2384 snprintf(label, sizeof(label), "%s", p);
2386 snprintf(label, sizeof(label), "compat_monitor%d",
2387 monitor_device_index);
2388 if (monitor_device_index == 0) {
2391 opts = qemu_chr_parse_compat(label, optarg);
2393 fprintf(stderr, "parse error: %s\n", optarg);
2398 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2400 error_report_err(local_err);
2403 qemu_opt_set(opts, "mode", mode, &error_abort);
2404 qemu_opt_set(opts, "chardev", label, &error_abort);
2405 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2407 qemu_opt_set(opts, "default", "on", &error_abort);
2408 monitor_device_index++;
2411 struct device_config {
2413 DEV_USB, /* -usbdevice */
2415 DEV_SERIAL, /* -serial */
2416 DEV_PARALLEL, /* -parallel */
2417 DEV_VIRTCON, /* -virtioconsole */
2418 DEV_DEBUGCON, /* -debugcon */
2419 DEV_GDB, /* -gdb, -s */
2420 DEV_SCLP, /* s390 sclp */
2422 const char *cmdline;
2424 QTAILQ_ENTRY(device_config) next;
2427 static QTAILQ_HEAD(, device_config) device_configs =
2428 QTAILQ_HEAD_INITIALIZER(device_configs);
2430 static void add_device_config(int type, const char *cmdline)
2432 struct device_config *conf;
2434 conf = g_malloc0(sizeof(*conf));
2436 conf->cmdline = cmdline;
2437 loc_save(&conf->loc);
2438 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2441 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2443 struct device_config *conf;
2446 QTAILQ_FOREACH(conf, &device_configs, next) {
2447 if (conf->type != type)
2449 loc_push_restore(&conf->loc);
2450 rc = func(conf->cmdline);
2451 loc_pop(&conf->loc);
2459 static int serial_parse(const char *devname)
2461 static int index = 0;
2464 if (strcmp(devname, "none") == 0)
2466 if (index == MAX_SERIAL_PORTS) {
2467 fprintf(stderr, "qemu: too many serial ports\n");
2470 snprintf(label, sizeof(label), "serial%d", index);
2471 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2472 if (!serial_hds[index]) {
2473 fprintf(stderr, "qemu: could not connect serial device"
2474 " to character backend '%s'\n", devname);
2481 static int parallel_parse(const char *devname)
2483 static int index = 0;
2486 if (strcmp(devname, "none") == 0)
2488 if (index == MAX_PARALLEL_PORTS) {
2489 fprintf(stderr, "qemu: too many parallel ports\n");
2492 snprintf(label, sizeof(label), "parallel%d", index);
2493 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2494 if (!parallel_hds[index]) {
2495 fprintf(stderr, "qemu: could not connect parallel device"
2496 " to character backend '%s'\n", devname);
2503 static int virtcon_parse(const char *devname)
2505 QemuOptsList *device = qemu_find_opts("device");
2506 static int index = 0;
2508 QemuOpts *bus_opts, *dev_opts;
2510 if (strcmp(devname, "none") == 0)
2512 if (index == MAX_VIRTIO_CONSOLES) {
2513 fprintf(stderr, "qemu: too many virtio consoles\n");
2517 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2518 if (arch_type == QEMU_ARCH_S390X) {
2519 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2524 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2525 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2527 snprintf(label, sizeof(label), "virtcon%d", index);
2528 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!virtcon_hds[index]) {
2530 fprintf(stderr, "qemu: could not connect virtio console"
2531 " to character backend '%s'\n", devname);
2534 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2540 static int sclp_parse(const char *devname)
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2547 if (strcmp(devname, "none") == 0) {
2550 if (index == MAX_SCLP_CONSOLES) {
2551 fprintf(stderr, "qemu: too many sclp consoles\n");
2555 assert(arch_type == QEMU_ARCH_S390X);
2557 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2558 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2560 snprintf(label, sizeof(label), "sclpcon%d", index);
2561 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!sclp_hds[index]) {
2563 fprintf(stderr, "qemu: could not connect sclp console"
2564 " to character backend '%s'\n", devname);
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573 static int debugcon_parse(const char *devname)
2577 if (!qemu_chr_new("debugcon", devname, NULL)) {
2580 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2582 fprintf(stderr, "qemu: already have a debugcon device\n");
2585 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2586 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2590 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2592 const MachineClass *mc1 = a, *mc2 = b;
2595 if (mc1->family == NULL) {
2596 if (mc2->family == NULL) {
2597 /* Compare standalone machine types against each other; they sort
2598 * in increasing order.
2600 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2601 object_class_get_name(OBJECT_CLASS(mc2)));
2604 /* Standalone machine types sort after families. */
2608 if (mc2->family == NULL) {
2609 /* Families sort before standalone machine types. */
2613 /* Families sort between each other alphabetically increasingly. */
2614 res = strcmp(mc1->family, mc2->family);
2619 /* Within the same family, machine types sort in decreasing order. */
2620 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2621 object_class_get_name(OBJECT_CLASS(mc1)));
2624 static MachineClass *machine_parse(const char *name)
2626 MachineClass *mc = NULL;
2627 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2630 mc = find_machine(name);
2633 g_slist_free(machines);
2636 if (name && !is_help_option(name)) {
2637 error_report("Unsupported machine type");
2638 error_printf("Use -machine help to list supported machines!\n");
2640 printf("Supported machines are:\n");
2641 machines = g_slist_sort(machines, machine_class_cmp);
2642 for (el = machines; el; el = el->next) {
2643 MachineClass *mc = el->data;
2645 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2647 printf("%-20s %s%s\n", mc->name, mc->desc,
2648 mc->is_default ? " (default)" : "");
2652 g_slist_free(machines);
2653 exit(!name || !is_help_option(name));
2656 void qemu_add_exit_notifier(Notifier *notify)
2658 notifier_list_add(&exit_notifiers, notify);
2661 void qemu_remove_exit_notifier(Notifier *notify)
2663 notifier_remove(notify);
2666 static void qemu_run_exit_notifiers(void)
2668 notifier_list_notify(&exit_notifiers, NULL);
2671 static bool machine_init_done;
2673 void qemu_add_machine_init_done_notifier(Notifier *notify)
2675 notifier_list_add(&machine_init_done_notifiers, notify);
2676 if (machine_init_done) {
2677 notify->notify(notify, NULL);
2681 static void qemu_run_machine_init_done_notifiers(void)
2683 notifier_list_notify(&machine_init_done_notifiers, NULL);
2684 machine_init_done = true;
2687 static const QEMUOption *lookup_opt(int argc, char **argv,
2688 const char **poptarg, int *poptind)
2690 const QEMUOption *popt;
2691 int optind = *poptind;
2692 char *r = argv[optind];
2695 loc_set_cmdline(argv, optind, 1);
2697 /* Treat --foo the same as -foo. */
2700 popt = qemu_options;
2703 error_report("invalid option");
2706 if (!strcmp(popt->name, r + 1))
2710 if (popt->flags & HAS_ARG) {
2711 if (optind >= argc) {
2712 error_report("requires an argument");
2715 optarg = argv[optind++];
2716 loc_set_cmdline(argv, optind - 2, 2);
2727 static int machine_set_property(void *opaque,
2728 const char *name, const char *value,
2731 Object *obj = OBJECT(opaque);
2732 Error *local_err = NULL;
2735 if (strcmp(name, "type") == 0) {
2739 qom_name = g_strdup(name);
2747 object_property_parse(obj, value, qom_name, &local_err);
2751 error_report_err(local_err);
2760 * Initial object creation happens before all other
2761 * QEMU data types are created. The majority of objects
2762 * can be created at this point. The rng-egd object
2763 * cannot be created here, as it depends on the chardev
2766 static bool object_create_initial(const char *type)
2768 if (g_str_equal(type, "rng-egd")) {
2772 if (g_str_equal(type, "filter-buffer")) {
2781 * The remainder of object creation happens after the
2782 * creation of chardev, fsdev, net clients and device data types.
2784 static bool object_create_delayed(const char *type)
2786 return !object_create_initial(type);
2790 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2798 bool (*type_predicate)(const char *) = opaque;
2800 ov = opts_visitor_new(opts);
2801 pdict = qemu_opts_to_qdict(opts, NULL);
2803 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2808 qdict_del(pdict, "qom-type");
2809 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2813 if (!type_predicate(type)) {
2817 qdict_del(pdict, "id");
2818 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2823 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2827 visit_end_struct(opts_get_visitor(ov), &err);
2829 qmp_object_del(id, NULL);
2833 opts_visitor_cleanup(ov);
2840 error_report_err(err);
2846 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2850 const char *mem_str;
2851 const char *maxmem_str, *slots_str;
2852 const ram_addr_t default_ram_size = mc->default_ram_size;
2853 QemuOpts *opts = qemu_find_opts_singleton("memory");
2856 mem_str = qemu_opt_get(opts, "size");
2859 error_report("missing 'size' option value");
2863 sz = qemu_opt_get_size(opts, "size", ram_size);
2865 /* Fix up legacy suffix-less format */
2866 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2867 uint64_t overflow_check = sz;
2870 if ((sz >> 20) != overflow_check) {
2871 error_report("too large 'size' option value");
2877 /* backward compatibility behaviour for case "-m 0" */
2879 sz = default_ram_size;
2882 sz = QEMU_ALIGN_UP(sz, 8192);
2884 if (ram_size != sz) {
2885 error_report("ram size too large");
2889 /* store value for the future use */
2890 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2891 *maxram_size = ram_size;
2893 maxmem_str = qemu_opt_get(opts, "maxmem");
2894 slots_str = qemu_opt_get(opts, "slots");
2895 if (maxmem_str && slots_str) {
2898 sz = qemu_opt_get_size(opts, "maxmem", 0);
2899 slots = qemu_opt_get_number(opts, "slots", 0);
2900 if (sz < ram_size) {
2901 error_report("invalid value of -m option maxmem: "
2902 "maximum memory size (0x%" PRIx64 ") must be at least "
2903 "the initial memory size (0x" RAM_ADDR_FMT ")",
2906 } else if (sz > ram_size) {
2908 error_report("invalid value of -m option: maxmem was "
2909 "specified, but no hotplug slots were specified");
2913 error_report("invalid value of -m option maxmem: "
2914 "memory slots were specified but maximum memory size "
2915 "(0x%" PRIx64 ") is equal to the initial memory size "
2916 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2922 } else if ((!maxmem_str && slots_str) ||
2923 (maxmem_str && !slots_str)) {
2924 error_report("invalid -m option value: missing "
2925 "'%s' option", slots_str ? "maxmem" : "slots");
2930 int main(int argc, char **argv, char **envp)
2933 int snapshot, linux_boot;
2934 const char *initrd_filename;
2935 const char *kernel_filename, *kernel_cmdline;
2936 const char *boot_order = NULL;
2937 const char *boot_once = NULL;
2939 int cyls, heads, secs, translation;
2940 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2941 QemuOptsList *olist;
2944 const char *loadvm = NULL;
2945 MachineClass *machine_class;
2946 const char *cpu_model;
2947 const char *vga_model = NULL;
2948 const char *qtest_chrdev = NULL;
2949 const char *qtest_log = NULL;
2950 const char *pid_file = NULL;
2951 const char *incoming = NULL;
2953 int show_vnc_port = 0;
2955 bool defconfig = true;
2956 bool userconfig = true;
2957 const char *log_mask = NULL;
2958 const char *log_file = NULL;
2959 const char *trace_events = NULL;
2960 const char *trace_file = NULL;
2961 ram_addr_t maxram_size;
2962 uint64_t ram_slots = 0;
2963 FILE *vmstate_dump_file = NULL;
2964 Error *main_loop_err = NULL;
2967 qemu_init_cpu_loop();
2968 qemu_mutex_lock_iothread();
2970 atexit(qemu_run_exit_notifiers);
2971 error_set_progname(argv[0]);
2972 qemu_init_exec_dir(argv[0]);
2974 module_call_init(MODULE_INIT_QOM);
2976 qemu_add_opts(&qemu_drive_opts);
2977 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2978 qemu_add_drive_opts(&qemu_common_drive_opts);
2979 qemu_add_drive_opts(&qemu_drive_opts);
2980 qemu_add_opts(&qemu_chardev_opts);
2981 qemu_add_opts(&qemu_device_opts);
2982 qemu_add_opts(&qemu_netdev_opts);
2983 qemu_add_opts(&qemu_net_opts);
2984 qemu_add_opts(&qemu_rtc_opts);
2985 qemu_add_opts(&qemu_global_opts);
2986 qemu_add_opts(&qemu_mon_opts);
2987 qemu_add_opts(&qemu_trace_opts);
2988 qemu_add_opts(&qemu_option_rom_opts);
2989 qemu_add_opts(&qemu_machine_opts);
2990 qemu_add_opts(&qemu_mem_opts);
2991 qemu_add_opts(&qemu_smp_opts);
2992 qemu_add_opts(&qemu_boot_opts);
2993 qemu_add_opts(&qemu_sandbox_opts);
2994 qemu_add_opts(&qemu_add_fd_opts);
2995 qemu_add_opts(&qemu_object_opts);
2996 qemu_add_opts(&qemu_tpmdev_opts);
2997 qemu_add_opts(&qemu_realtime_opts);
2998 qemu_add_opts(&qemu_msg_opts);
2999 qemu_add_opts(&qemu_name_opts);
3000 qemu_add_opts(&qemu_numa_opts);
3001 qemu_add_opts(&qemu_icount_opts);
3002 qemu_add_opts(&qemu_semihosting_config_opts);
3003 qemu_add_opts(&qemu_fw_cfg_opts);
3007 if (qcrypto_init(&err) < 0) {
3008 fprintf(stderr, "Cannot initialize crypto: %s\n",
3009 error_get_pretty(err));
3012 rtc_clock = QEMU_CLOCK_HOST;
3014 QLIST_INIT (&vm_change_state_head);
3015 os_setup_early_signal_handling();
3017 module_call_init(MODULE_INIT_MACHINE);
3018 machine_class = find_default_machine();
3021 cyls = heads = secs = 0;
3022 translation = BIOS_ATA_TRANSLATION_AUTO;
3026 bdrv_init_with_whitelist();
3030 /* first pass of option parsing */
3032 while (optind < argc) {
3033 if (argv[optind][0] != '-') {
3037 const QEMUOption *popt;
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 switch (popt->index) {
3041 case QEMU_OPTION_nodefconfig:
3044 case QEMU_OPTION_nouserconfig:
3053 ret = qemu_read_default_config_files(userconfig);
3059 /* second pass of option parsing */
3064 if (argv[optind][0] != '-') {
3065 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3067 const QEMUOption *popt;
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 if (!(popt->arch_mask & arch_type)) {
3071 printf("Option %s not supported for this target\n", popt->name);
3074 switch(popt->index) {
3075 case QEMU_OPTION_no_kvm_irqchip: {
3076 olist = qemu_find_opts("machine");
3077 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3080 case QEMU_OPTION_cpu:
3081 /* hw initialization will check this */
3084 case QEMU_OPTION_hda:
3088 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3090 snprintf(buf, sizeof(buf),
3091 "%s,cyls=%d,heads=%d,secs=%d%s",
3092 HD_OPTS , cyls, heads, secs,
3093 translation == BIOS_ATA_TRANSLATION_LBA ?
3095 translation == BIOS_ATA_TRANSLATION_NONE ?
3096 ",trans=none" : "");
3097 drive_add(IF_DEFAULT, 0, optarg, buf);
3100 case QEMU_OPTION_hdb:
3101 case QEMU_OPTION_hdc:
3102 case QEMU_OPTION_hdd:
3103 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3106 case QEMU_OPTION_drive:
3107 if (drive_def(optarg) == NULL) {
3111 case QEMU_OPTION_set:
3112 if (qemu_set_option(optarg) != 0)
3115 case QEMU_OPTION_global:
3116 if (qemu_global_option(optarg) != 0)
3119 case QEMU_OPTION_mtdblock:
3120 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3122 case QEMU_OPTION_sd:
3123 drive_add(IF_SD, -1, optarg, SD_OPTS);
3125 case QEMU_OPTION_pflash:
3126 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3128 case QEMU_OPTION_snapshot:
3131 case QEMU_OPTION_hdachs:
3135 cyls = strtol(p, (char **)&p, 0);
3136 if (cyls < 1 || cyls > 16383)
3141 heads = strtol(p, (char **)&p, 0);
3142 if (heads < 1 || heads > 16)
3147 secs = strtol(p, (char **)&p, 0);
3148 if (secs < 1 || secs > 63)
3152 if (!strcmp(p, "large")) {
3153 translation = BIOS_ATA_TRANSLATION_LARGE;
3154 } else if (!strcmp(p, "rechs")) {
3155 translation = BIOS_ATA_TRANSLATION_RECHS;
3156 } else if (!strcmp(p, "none")) {
3157 translation = BIOS_ATA_TRANSLATION_NONE;
3158 } else if (!strcmp(p, "lba")) {
3159 translation = BIOS_ATA_TRANSLATION_LBA;
3160 } else if (!strcmp(p, "auto")) {
3161 translation = BIOS_ATA_TRANSLATION_AUTO;
3165 } else if (*p != '\0') {
3167 fprintf(stderr, "qemu: invalid physical CHS format\n");
3170 if (hda_opts != NULL) {
3171 qemu_opt_set_number(hda_opts, "cyls", cyls,
3173 qemu_opt_set_number(hda_opts, "heads", heads,
3175 qemu_opt_set_number(hda_opts, "secs", secs,
3177 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3178 qemu_opt_set(hda_opts, "trans", "large",
3180 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3181 qemu_opt_set(hda_opts, "trans", "rechs",
3183 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3184 qemu_opt_set(hda_opts, "trans", "lba",
3186 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3187 qemu_opt_set(hda_opts, "trans", "none",
3193 case QEMU_OPTION_numa:
3194 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3200 case QEMU_OPTION_display:
3201 display_type = select_display(optarg);
3203 case QEMU_OPTION_nographic:
3204 display_type = DT_NOGRAPHIC;
3206 case QEMU_OPTION_curses:
3207 #ifdef CONFIG_CURSES
3208 display_type = DT_CURSES;
3210 fprintf(stderr, "Curses support is disabled\n");
3214 case QEMU_OPTION_portrait:
3215 graphic_rotate = 90;
3217 case QEMU_OPTION_rotate:
3218 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3219 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3220 graphic_rotate != 180 && graphic_rotate != 270) {
3222 "qemu: only 90, 180, 270 deg rotation is available\n");
3226 case QEMU_OPTION_kernel:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3230 case QEMU_OPTION_initrd:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3234 case QEMU_OPTION_append:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3238 case QEMU_OPTION_dtb:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3242 case QEMU_OPTION_cdrom:
3243 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3245 case QEMU_OPTION_boot:
3246 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3257 case QEMU_OPTION_no_fd_bootchk:
3260 case QEMU_OPTION_netdev:
3261 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3265 case QEMU_OPTION_net:
3266 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3270 #ifdef CONFIG_LIBISCSI
3271 case QEMU_OPTION_iscsi:
3272 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3280 case QEMU_OPTION_tftp:
3281 legacy_tftp_prefix = optarg;
3283 case QEMU_OPTION_bootp:
3284 legacy_bootp_filename = optarg;
3286 case QEMU_OPTION_redir:
3287 if (net_slirp_redir(optarg) < 0)
3291 case QEMU_OPTION_bt:
3292 add_device_config(DEV_BT, optarg);
3294 case QEMU_OPTION_audio_help:
3298 case QEMU_OPTION_soundhw:
3299 select_soundhw (optarg);
3304 case QEMU_OPTION_version:
3309 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3316 case QEMU_OPTION_tpmdev:
3317 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3322 case QEMU_OPTION_mempath:
3325 case QEMU_OPTION_mem_prealloc:
3335 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3337 case QEMU_OPTION_gdb:
3338 add_device_config(DEV_GDB, optarg);
3341 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3342 data_dir[data_dir_idx++] = optarg;
3345 case QEMU_OPTION_bios:
3346 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3349 case QEMU_OPTION_singlestep:
3356 keyboard_layout = optarg;
3358 case QEMU_OPTION_localtime:
3361 case QEMU_OPTION_vga:
3370 w = strtol(p, (char **)&p, 10);
3373 fprintf(stderr, "qemu: invalid resolution or depth\n");
3379 h = strtol(p, (char **)&p, 10);
3384 depth = strtol(p, (char **)&p, 10);
3385 if (depth != 8 && depth != 15 && depth != 16 &&
3386 depth != 24 && depth != 32)
3388 } else if (*p == '\0') {
3389 depth = graphic_depth;
3396 graphic_depth = depth;
3399 case QEMU_OPTION_echr:
3402 term_escape_char = strtol(optarg, &r, 0);
3404 printf("Bad argument to echr\n");
3407 case QEMU_OPTION_monitor:
3408 default_monitor = 0;
3409 if (strncmp(optarg, "none", 4)) {
3410 monitor_parse(optarg, "readline", false);
3413 case QEMU_OPTION_qmp:
3414 monitor_parse(optarg, "control", false);
3415 default_monitor = 0;
3417 case QEMU_OPTION_qmp_pretty:
3418 monitor_parse(optarg, "control", true);
3419 default_monitor = 0;
3421 case QEMU_OPTION_mon:
3422 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3427 default_monitor = 0;
3429 case QEMU_OPTION_chardev:
3430 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3436 case QEMU_OPTION_fsdev:
3437 olist = qemu_find_opts("fsdev");
3439 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3442 opts = qemu_opts_parse_noisily(olist, optarg, true);
3447 case QEMU_OPTION_virtfs: {
3450 const char *writeout, *sock_fd, *socket;
3452 olist = qemu_find_opts("virtfs");
3454 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3457 opts = qemu_opts_parse_noisily(olist, optarg, true);
3462 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3463 qemu_opt_get(opts, "mount_tag") == NULL) {
3464 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3467 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3468 qemu_opt_get(opts, "mount_tag"),
3471 fprintf(stderr, "duplicate fsdev id: %s\n",
3472 qemu_opt_get(opts, "mount_tag"));
3476 writeout = qemu_opt_get(opts, "writeout");
3478 #ifdef CONFIG_SYNC_FILE_RANGE
3479 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3481 fprintf(stderr, "writeout=immediate not supported on "
3486 qemu_opt_set(fsdev, "fsdriver",
3487 qemu_opt_get(opts, "fsdriver"), &error_abort);
3488 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3490 qemu_opt_set(fsdev, "security_model",
3491 qemu_opt_get(opts, "security_model"),
3493 socket = qemu_opt_get(opts, "socket");
3495 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3497 sock_fd = qemu_opt_get(opts, "sock_fd");
3499 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3502 qemu_opt_set_bool(fsdev, "readonly",
3503 qemu_opt_get_bool(opts, "readonly", 0),
3505 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3507 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3508 qemu_opt_set(device, "fsdev",
3509 qemu_opt_get(opts, "mount_tag"), &error_abort);
3510 qemu_opt_set(device, "mount_tag",
3511 qemu_opt_get(opts, "mount_tag"), &error_abort);
3514 case QEMU_OPTION_virtfs_synth: {
3518 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3521 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3524 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3526 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3528 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3529 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3530 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3533 case QEMU_OPTION_serial:
3534 add_device_config(DEV_SERIAL, optarg);
3536 if (strncmp(optarg, "mon:", 4) == 0) {
3537 default_monitor = 0;
3540 case QEMU_OPTION_watchdog:
3543 "qemu: only one watchdog option may be given\n");
3548 case QEMU_OPTION_watchdog_action:
3549 if (select_watchdog_action(optarg) == -1) {
3550 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3554 case QEMU_OPTION_virtiocon:
3555 add_device_config(DEV_VIRTCON, optarg);
3556 default_virtcon = 0;
3557 if (strncmp(optarg, "mon:", 4) == 0) {
3558 default_monitor = 0;
3561 case QEMU_OPTION_parallel:
3562 add_device_config(DEV_PARALLEL, optarg);
3563 default_parallel = 0;
3564 if (strncmp(optarg, "mon:", 4) == 0) {
3565 default_monitor = 0;
3568 case QEMU_OPTION_debugcon:
3569 add_device_config(DEV_DEBUGCON, optarg);
3571 case QEMU_OPTION_loadvm:
3574 case QEMU_OPTION_full_screen:
3577 case QEMU_OPTION_no_frame:
3580 case QEMU_OPTION_alt_grab:
3583 case QEMU_OPTION_ctrl_grab:
3586 case QEMU_OPTION_no_quit:
3589 case QEMU_OPTION_sdl:
3591 display_type = DT_SDL;
3594 fprintf(stderr, "SDL support is disabled\n");
3597 case QEMU_OPTION_pidfile:
3600 case QEMU_OPTION_win2k_hack:
3601 win2k_install_hack = 1;
3603 case QEMU_OPTION_rtc_td_hack: {
3604 static GlobalProperty slew_lost_ticks[] = {
3606 .driver = "mc146818rtc",
3607 .property = "lost_tick_policy",
3610 { /* end of list */ }
3613 qdev_prop_register_global_list(slew_lost_ticks);
3616 case QEMU_OPTION_acpitable:
3617 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3622 do_acpitable_option(opts);
3624 case QEMU_OPTION_smbios:
3625 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3630 do_smbios_option(opts);
3632 case QEMU_OPTION_fwcfg:
3633 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3639 case QEMU_OPTION_enable_kvm:
3640 olist = qemu_find_opts("machine");
3641 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3644 case QEMU_OPTION_machine:
3645 olist = qemu_find_opts("machine");
3646 opts = qemu_opts_parse_noisily(olist, optarg, true);
3651 case QEMU_OPTION_no_kvm:
3652 olist = qemu_find_opts("machine");
3653 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3655 case QEMU_OPTION_no_kvm_pit: {
3656 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3660 case QEMU_OPTION_no_kvm_pit_reinjection: {
3661 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3663 .driver = "kvm-pit",
3664 .property = "lost_tick_policy",
3667 { /* end of list */ }
3670 fprintf(stderr, "Warning: option deprecated, use "
3671 "lost_tick_policy property of kvm-pit instead.\n");
3672 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3675 case QEMU_OPTION_usb:
3676 olist = qemu_find_opts("machine");
3677 qemu_opts_parse_noisily(olist, "usb=on", false);
3679 case QEMU_OPTION_usbdevice:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 add_device_config(DEV_USB, optarg);
3684 case QEMU_OPTION_device:
3685 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3690 case QEMU_OPTION_smp:
3691 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3696 case QEMU_OPTION_vnc:
3699 Error *local_err = NULL;
3701 if (vnc_parse(optarg, &local_err) == NULL) {
3702 error_report_err(local_err);
3706 fprintf(stderr, "VNC support is disabled\n");
3711 case QEMU_OPTION_no_acpi:
3714 case QEMU_OPTION_no_hpet:
3717 case QEMU_OPTION_balloon:
3718 if (balloon_parse(optarg) < 0) {
3719 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3723 case QEMU_OPTION_no_reboot:
3726 case QEMU_OPTION_no_shutdown:
3729 case QEMU_OPTION_show_cursor:
3732 case QEMU_OPTION_uuid:
3733 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3734 fprintf(stderr, "Fail to parse UUID string."
3735 " Wrong format.\n");
3738 qemu_uuid_set = true;
3740 case QEMU_OPTION_option_rom:
3741 if (nb_option_roms >= MAX_OPTION_ROMS) {
3742 fprintf(stderr, "Too many option ROMs\n");
3745 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3750 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3751 option_rom[nb_option_roms].bootindex =
3752 qemu_opt_get_number(opts, "bootindex", -1);
3753 if (!option_rom[nb_option_roms].name) {
3754 fprintf(stderr, "Option ROM file is not specified\n");
3759 case QEMU_OPTION_semihosting:
3760 semihosting.enabled = true;
3761 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 case QEMU_OPTION_semihosting_config:
3764 semihosting.enabled = true;
3765 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3768 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3770 const char *target = qemu_opt_get(opts, "target");
3771 if (target != NULL) {
3772 if (strcmp("native", target) == 0) {
3773 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3774 } else if (strcmp("gdb", target) == 0) {
3775 semihosting.target = SEMIHOSTING_TARGET_GDB;
3776 } else if (strcmp("auto", target) == 0) {
3777 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3779 fprintf(stderr, "Unsupported semihosting-config"
3785 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3787 /* Set semihosting argument count and vector */
3788 qemu_opt_foreach(opts, add_semihosting_arg,
3789 &semihosting, NULL);
3791 fprintf(stderr, "Unsupported semihosting-config %s\n",
3796 case QEMU_OPTION_tdf:
3797 fprintf(stderr, "Warning: user space PIT time drift fix "
3798 "is no longer supported.\n");
3800 case QEMU_OPTION_name:
3801 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3807 case QEMU_OPTION_prom_env:
3808 if (nb_prom_envs >= MAX_PROM_ENVS) {
3809 fprintf(stderr, "Too many prom variables\n");
3812 prom_envs[nb_prom_envs] = optarg;
3815 case QEMU_OPTION_old_param:
3818 case QEMU_OPTION_clock:
3819 /* Clock options no longer exist. Keep this option for
3820 * backward compatibility.
3823 case QEMU_OPTION_startdate:
3824 configure_rtc_date_offset(optarg, 1);
3826 case QEMU_OPTION_rtc:
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3832 configure_rtc(opts);
3834 case QEMU_OPTION_tb_size:
3835 tcg_tb_size = strtol(optarg, NULL, 0);
3836 if (tcg_tb_size < 0) {
3840 case QEMU_OPTION_icount:
3841 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3847 case QEMU_OPTION_incoming:
3849 runstate_set(RUN_STATE_INMIGRATE);
3853 case QEMU_OPTION_nodefaults:
3856 case QEMU_OPTION_xen_domid:
3857 if (!(xen_available())) {
3858 printf("Option %s not supported for this target\n", popt->name);
3861 xen_domid = atoi(optarg);
3863 case QEMU_OPTION_xen_create:
3864 if (!(xen_available())) {
3865 printf("Option %s not supported for this target\n", popt->name);
3868 xen_mode = XEN_CREATE;
3870 case QEMU_OPTION_xen_attach:
3871 if (!(xen_available())) {
3872 printf("Option %s not supported for this target\n", popt->name);
3875 xen_mode = XEN_ATTACH;
3877 case QEMU_OPTION_trace:
3879 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3884 trace_events = qemu_opt_get(opts, "events");
3885 trace_file = qemu_opt_get(opts, "file");
3888 case QEMU_OPTION_readconfig:
3890 int ret = qemu_read_config_file(optarg);
3892 fprintf(stderr, "read config %s: %s\n", optarg,
3898 case QEMU_OPTION_spice:
3899 olist = qemu_find_opts("spice");
3901 fprintf(stderr, "spice is not supported by this qemu build.\n");
3904 opts = qemu_opts_parse_noisily(olist, optarg, false);
3910 case QEMU_OPTION_writeconfig:
3913 if (strcmp(optarg, "-") == 0) {
3916 fp = fopen(optarg, "w");
3918 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3922 qemu_config_write(fp);
3928 case QEMU_OPTION_qtest:
3929 qtest_chrdev = optarg;
3931 case QEMU_OPTION_qtest_log:
3934 case QEMU_OPTION_sandbox:
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3941 case QEMU_OPTION_add_fd:
3943 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3949 error_report("File descriptor passing is disabled on this "
3954 case QEMU_OPTION_object:
3955 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3961 case QEMU_OPTION_realtime:
3962 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3967 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3969 case QEMU_OPTION_msg:
3970 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3975 configure_msg(opts);
3977 case QEMU_OPTION_dump_vmstate:
3978 if (vmstate_dump_file) {
3979 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3980 "option may be given\n");
3983 vmstate_dump_file = fopen(optarg, "w");
3984 if (vmstate_dump_file == NULL) {
3985 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3990 os_parse_cmd_args(popt->index, optarg);
3995 opts = qemu_get_machine_opts();
3996 optarg = qemu_opt_get(opts, "type");
3998 machine_class = machine_parse(optarg);
4001 if (machine_class == NULL) {
4002 fprintf(stderr, "No machine specified, and there is no default.\n"
4003 "Use -machine help to list supported machines!\n");
4007 set_memory_options(&ram_slots, &maxram_size, machine_class);
4013 if (qemu_init_main_loop(&main_loop_err)) {
4014 error_report_err(main_loop_err);
4018 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4019 parse_sandbox, NULL, NULL)) {
4023 if (qemu_opts_foreach(qemu_find_opts("name"),
4024 parse_name, NULL, NULL)) {
4029 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4030 parse_add_fd, NULL, NULL)) {
4034 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4035 cleanup_add_fd, NULL, NULL)) {
4040 current_machine = MACHINE(object_new(object_class_get_name(
4041 OBJECT_CLASS(machine_class))));
4042 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4045 object_property_add_child(object_get_root(), "machine",
4046 OBJECT(current_machine), &error_abort);
4047 cpu_exec_init_all();
4049 if (machine_class->hw_version) {
4050 qemu_set_version(machine_class->hw_version);
4053 /* Init CPU def lists, based on config
4054 * - Must be called after all the qemu_read_config_file() calls
4055 * - Must be called before list_cpus()
4056 * - Must be called before machine->init()
4060 if (cpu_model && is_help_option(cpu_model)) {
4061 list_cpus(stdout, &fprintf, cpu_model);
4065 /* Open the logfile at this point and set the log mask if necessary.
4068 qemu_set_log_filename(log_file);
4073 mask = qemu_str_to_log_mask(log_mask);
4075 qemu_print_log_usage(stdout);
4081 if (!is_daemonized()) {
4082 if (!trace_init_backends(trace_events, trace_file)) {
4087 /* If no data_dir is specified then try to find it relative to the
4089 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4090 data_dir[data_dir_idx] = os_find_datadir();
4091 if (data_dir[data_dir_idx] != NULL) {
4095 /* If all else fails use the install path specified when building. */
4096 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4097 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4100 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4102 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4103 if (max_cpus > machine_class->max_cpus) {
4104 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4105 "supported by machine `%s' (%d)\n", max_cpus,
4106 machine_class->name, machine_class->max_cpus);
4111 * Get the default machine options from the machine if it is not already
4112 * specified either by the configuration file or by the command line.
4114 if (machine_class->default_machine_opts) {
4115 qemu_opts_set_defaults(qemu_find_opts("machine"),
4116 machine_class->default_machine_opts, 0);
4119 qemu_opts_foreach(qemu_find_opts("device"),
4120 default_driver_check, NULL, NULL);
4121 qemu_opts_foreach(qemu_find_opts("global"),
4122 default_driver_check, NULL, NULL);
4124 if (!vga_model && !default_vga) {
4125 vga_interface_type = VGA_DEVICE;
4127 if (!has_defaults || machine_class->no_serial) {
4130 if (!has_defaults || machine_class->no_parallel) {
4131 default_parallel = 0;
4133 if (!has_defaults || !machine_class->use_virtcon) {
4134 default_virtcon = 0;
4136 if (!has_defaults || !machine_class->use_sclp) {
4139 if (!has_defaults || machine_class->no_floppy) {
4142 if (!has_defaults || machine_class->no_cdrom) {
4145 if (!has_defaults || machine_class->no_sdcard) {
4148 if (!has_defaults) {
4149 default_monitor = 0;
4154 if (is_daemonized()) {
4155 /* According to documentation and historically, -nographic redirects
4156 * serial port, parallel port and monitor to stdio, which does not work
4157 * with -daemonize. We can redirect these to null instead, but since
4158 * -nographic is legacy, let's just error out.
4159 * We disallow -nographic only if all other ports are not redirected
4160 * explicitly, to not break existing legacy setups which uses
4161 * -nographic _and_ redirects all ports explicitly - this is valid
4162 * usage, -nographic is just a no-op in this case.
4164 if (display_type == DT_NOGRAPHIC
4165 && (default_parallel || default_serial
4166 || default_monitor || default_virtcon)) {
4167 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4170 #ifdef CONFIG_CURSES
4171 if (display_type == DT_CURSES) {
4172 fprintf(stderr, "curses display can not be used with -daemonize\n");
4178 if (display_type == DT_NOGRAPHIC) {
4179 if (default_parallel)
4180 add_device_config(DEV_PARALLEL, "null");
4181 if (default_serial && default_monitor) {
4182 add_device_config(DEV_SERIAL, "mon:stdio");
4183 } else if (default_virtcon && default_monitor) {
4184 add_device_config(DEV_VIRTCON, "mon:stdio");
4185 } else if (default_sclp && default_monitor) {
4186 add_device_config(DEV_SCLP, "mon:stdio");
4189 add_device_config(DEV_SERIAL, "stdio");
4190 if (default_virtcon)
4191 add_device_config(DEV_VIRTCON, "stdio");
4193 add_device_config(DEV_SCLP, "stdio");
4195 if (default_monitor)
4196 monitor_parse("stdio", "readline", false);
4200 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4201 if (default_parallel)
4202 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4203 if (default_monitor)
4204 monitor_parse("vc:80Cx24C", "readline", false);
4205 if (default_virtcon)
4206 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4208 add_device_config(DEV_SCLP, "vc:80Cx24C");
4212 #if defined(CONFIG_VNC)
4213 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4217 if (display_type == DT_DEFAULT && !display_remote) {
4218 #if defined(CONFIG_GTK)
4219 display_type = DT_GTK;
4220 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4221 display_type = DT_SDL;
4222 #elif defined(CONFIG_VNC)
4223 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4226 display_type = DT_NONE;
4230 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4231 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4232 "for SDL, ignoring option\n");
4234 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4235 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4236 "ignoring option\n");
4239 #if defined(CONFIG_GTK)
4240 if (display_type == DT_GTK) {
4241 early_gtk_display_init(request_opengl);
4244 #if defined(CONFIG_SDL)
4245 if (display_type == DT_SDL) {
4246 sdl_display_early_init(request_opengl);
4249 if (request_opengl == 1 && display_opengl == 0) {
4250 #if defined(CONFIG_OPENGL)
4251 fprintf(stderr, "OpenGL is not supported by the display.\n");
4253 fprintf(stderr, "QEMU was built without opengl support.\n");
4260 if (qemu_opts_foreach(qemu_find_opts("object"),
4262 object_create_initial, NULL)) {
4266 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4267 chardev_init_func, NULL, NULL)) {
4271 #ifdef CONFIG_VIRTFS
4272 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4273 fsdev_init_func, NULL, NULL)) {
4278 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4279 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4283 if (qemu_opts_foreach(qemu_find_opts("device"),
4284 device_help_func, NULL, 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) {
4393 if (qemu_opts_foreach(qemu_find_opts("object"),
4395 object_create_delayed, NULL)) {
4400 if (tpm_init() < 0) {
4405 /* init the bluetooth world */
4406 if (foreach_device_config(DEV_BT, bt_parse))
4409 if (!xen_enabled()) {
4410 /* On 32-bit hosts, QEMU is limited by virtual address space */
4411 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4412 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4420 /* If the currently selected machine wishes to override the units-per-bus
4421 * property of its default HBA interface type, do so now. */
4422 if (machine_class->units_per_default_bus) {
4423 override_max_devs(machine_class->block_default_type,
4424 machine_class->units_per_default_bus);
4427 /* open the virtual block devices */
4429 qemu_opts_foreach(qemu_find_opts("drive"),
4430 drive_enable_snapshot, NULL, NULL);
4431 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4432 &machine_class->block_default_type, NULL)) {
4436 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4438 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4439 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4441 parse_numa_opts(machine_class);
4443 if (qemu_opts_foreach(qemu_find_opts("mon"),
4444 mon_init_func, NULL, NULL)) {
4448 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4450 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4452 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4454 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4457 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4460 /* If no default VGA is requested, the default is "none". */
4462 if (machine_class->default_display) {
4463 vga_model = machine_class->default_display;
4464 } else if (cirrus_vga_available()) {
4465 vga_model = "cirrus";
4466 } else if (vga_available()) {
4471 select_vgahw(vga_model);
4475 i = select_watchdog(watchdog);
4477 exit (i == 1 ? 1 : 0);
4480 if (machine_class->compat_props) {
4481 qdev_prop_register_global_list(machine_class->compat_props);
4485 qdev_machine_init();
4487 current_machine->ram_size = ram_size;
4488 current_machine->maxram_size = maxram_size;
4489 current_machine->ram_slots = ram_slots;
4490 current_machine->boot_order = boot_order;
4491 current_machine->cpu_model = cpu_model;
4493 machine_class->init(current_machine);
4499 cpu_synchronize_all_post_init();
4501 numa_post_machine_init();
4503 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4504 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4508 /* init USB devices */
4509 if (usb_enabled()) {
4510 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4514 /* Check if IGD GFX passthrough. */
4517 /* init generic devices */
4518 if (qemu_opts_foreach(qemu_find_opts("device"),
4519 device_init_func, NULL, NULL)) {
4523 /* Did we create any drives that we failed to create a device for? */
4524 drive_check_orphaned();
4526 net_check_clients();
4529 Error *local_err = NULL;
4530 qemu_boot_set(boot_once, &local_err);
4532 error_report("%s", error_get_pretty(local_err));
4535 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4538 ds = init_displaystate();
4540 /* init local displays */
4541 switch (display_type) {
4543 (void)ds; /* avoid warning if no display is configured */
4545 #if defined(CONFIG_CURSES)
4547 curses_display_init(ds, full_screen);
4550 #if defined(CONFIG_SDL)
4552 sdl_display_init(ds, full_screen, no_frame);
4554 #elif defined(CONFIG_COCOA)
4556 cocoa_display_init(ds, full_screen);
4559 #if defined(CONFIG_GTK)
4561 gtk_display_init(ds, full_screen, grab_on_hover);
4568 /* must be after terminal init, SDL library changes signal handlers */
4569 os_setup_signal_handling();
4572 /* init remote displays */
4573 qemu_opts_foreach(qemu_find_opts("vnc"),
4574 vnc_init_func, NULL, NULL);
4575 if (show_vnc_port) {
4576 char *ret = vnc_display_local_addr("default");
4577 printf("VNC server running on `%s'\n", ret);
4583 qemu_spice_display_init();
4587 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4591 qdev_machine_creation_done();
4593 /* TODO: once all bus devices are qdevified, this should be done
4594 * when bus is created by qdev.c */
4595 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4596 qemu_run_machine_init_done_notifiers();
4598 if (rom_check_and_register_reset() != 0) {
4599 fprintf(stderr, "rom check and register reset failed\n");
4603 qemu_system_reset(VMRESET_SILENT);
4604 register_global_state();
4606 if (load_vmstate(loadvm) < 0) {
4611 qdev_prop_check_globals();
4612 if (vmstate_dump_file) {
4614 dump_vmstate_json_to_file(vmstate_dump_file);
4619 Error *local_err = NULL;
4620 qemu_start_incoming_migration(incoming, &local_err);
4622 error_report("-incoming %s: %s", incoming,
4623 error_get_pretty(local_err));
4624 error_free(local_err);
4627 } else if (autostart) {
4633 if (is_daemonized()) {
4634 if (!trace_init_backends(trace_events, trace_file)) {