4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
102 #include "fsdev/qemu-fsdev.h"
104 #include "sysemu/qtest.h"
106 #include "disas/disas.h"
109 #include "slirp/libslirp.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
143 NICInfo nd_table[MAX_NICS];
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
153 static bool grab_on_hover;
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
165 int acpi_enabled = 1;
168 static int no_reboot;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 const char *qemu_name;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
187 int icount_align_option;
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 uint8_t qemu_uuid[16];
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203 enum xen_mode xen_mode = XEN_EMULATE;
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
239 static QemuOptsList qemu_rtc_opts = {
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .type = QEMU_OPT_STRING,
248 .type = QEMU_OPT_STRING,
251 .type = QEMU_OPT_STRING,
253 { /* end of list */ }
257 static QemuOptsList qemu_sandbox_opts = {
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .type = QEMU_OPT_BOOL,
266 { /* end of list */ }
270 static QemuOptsList qemu_trace_opts = {
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .type = QEMU_OPT_STRING,
280 .type = QEMU_OPT_STRING,
282 { /* end of list */ }
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .type = QEMU_OPT_NUMBER,
296 .type = QEMU_OPT_STRING,
298 { /* end of list */ }
302 static QemuOptsList qemu_machine_opts = {
304 .implied_opt_name = "type",
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
317 static QemuOptsList qemu_boot_opts = {
319 .implied_opt_name = "order",
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .type = QEMU_OPT_STRING,
328 .type = QEMU_OPT_STRING,
331 .type = QEMU_OPT_BOOL,
334 .type = QEMU_OPT_STRING,
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
343 .type = QEMU_OPT_BOOL,
349 static QemuOptsList qemu_add_fd_opts = {
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts = {
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
379 static QemuOptsList qemu_tpmdev_opts = {
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts = {
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .type = QEMU_OPT_BOOL,
397 { /* end of list */ }
401 static QemuOptsList qemu_msg_opts = {
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .type = QEMU_OPT_BOOL,
409 { /* end of list */ }
413 static QemuOptsList qemu_name_opts = {
415 .implied_opt_name = "guest",
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
436 { /* End of list */ }
440 static QemuOptsList qemu_mem_opts = {
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
448 .type = QEMU_OPT_SIZE,
452 .type = QEMU_OPT_NUMBER,
456 .type = QEMU_OPT_SIZE,
458 { /* end of list */ }
462 static QemuOptsList qemu_icount_opts = {
464 .implied_opt_name = "shift",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .type = QEMU_OPT_STRING,
473 .type = QEMU_OPT_BOOL,
476 .type = QEMU_OPT_BOOL,
478 { /* end of list */ }
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
489 .type = QEMU_OPT_BOOL,
492 .type = QEMU_OPT_STRING,
495 .type = QEMU_OPT_STRING,
497 { /* end of list */ }
501 static QemuOptsList qemu_fw_cfg_opts = {
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
516 { /* end of list */ }
521 * Get machine options
523 * Returns: machine options (never null).
525 QemuOpts *qemu_get_machine_opts(void)
527 return qemu_find_opts_singleton("machine");
530 const char *qemu_get_vm_name(void)
535 static void res_free(void)
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
543 const char *driver = qemu_opt_get(opts, "driver");
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
551 *(default_list[i].flag) = 0;
556 /***********************************************************/
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
586 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
588 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
589 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
591 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
592 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
602 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
604 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
606 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
607 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
609 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
610 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
613 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
614 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
615 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
617 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
620 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
623 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
624 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
625 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
628 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
631 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_MAX, RUN_STATE_MAX },
636 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
638 bool runstate_check(RunState state)
640 return current_run_state == state;
643 bool runstate_store(char *str, size_t size)
645 const char *state = RunState_lookup[current_run_state];
646 size_t len = strlen(state) + 1;
651 memcpy(str, state, len);
655 static void runstate_init(void)
657 const RunStateTransition *p;
659 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
660 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
661 runstate_valid_transitions[p->from][p->to] = true;
664 qemu_mutex_init(&vmstop_lock);
667 /* This function will abort() on invalid state transitions */
668 void runstate_set(RunState new_state)
670 assert(new_state < RUN_STATE_MAX);
672 if (!runstate_valid_transitions[current_run_state][new_state]) {
673 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
674 RunState_lookup[current_run_state],
675 RunState_lookup[new_state]);
678 trace_runstate_set(new_state);
679 current_run_state = new_state;
682 int runstate_is_running(void)
684 return runstate_check(RUN_STATE_RUNNING);
687 bool runstate_needs_reset(void)
689 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
690 runstate_check(RUN_STATE_SHUTDOWN);
693 StatusInfo *qmp_query_status(Error **errp)
695 StatusInfo *info = g_malloc0(sizeof(*info));
697 info->running = runstate_is_running();
698 info->singlestep = singlestep;
699 info->status = current_run_state;
704 static bool qemu_vmstop_requested(RunState *r)
706 qemu_mutex_lock(&vmstop_lock);
707 *r = vmstop_requested;
708 vmstop_requested = RUN_STATE_MAX;
709 qemu_mutex_unlock(&vmstop_lock);
710 return *r < RUN_STATE_MAX;
713 void qemu_system_vmstop_request_prepare(void)
715 qemu_mutex_lock(&vmstop_lock);
718 void qemu_system_vmstop_request(RunState state)
720 vmstop_requested = state;
721 qemu_mutex_unlock(&vmstop_lock);
729 qemu_vmstop_requested(&requested);
730 if (runstate_is_running() && requested == RUN_STATE_MAX) {
734 /* Ensure that a STOP/RESUME pair of events is emitted if a
735 * vmstop request was pending. The BLOCK_IO_ERROR event, for
736 * example, according to documentation is always followed by
739 if (runstate_is_running()) {
740 qapi_event_send_stop(&error_abort);
743 runstate_set(RUN_STATE_RUNNING);
744 vm_state_notify(1, RUN_STATE_RUNNING);
748 qapi_event_send_resume(&error_abort);
752 /***********************************************************/
753 /* real time host monotonic timer */
755 static time_t qemu_time(void)
757 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
760 /***********************************************************/
761 /* host time/date access */
762 void qemu_get_timedate(struct tm *tm, int offset)
764 time_t ti = qemu_time();
767 if (rtc_date_offset == -1) {
771 localtime_r(&ti, tm);
773 ti -= rtc_date_offset;
778 int qemu_timedate_diff(struct tm *tm)
782 if (rtc_date_offset == -1)
784 seconds = mktimegm(tm);
787 tmp.tm_isdst = -1; /* use timezone to figure it out */
788 seconds = mktime(&tmp);
791 seconds = mktimegm(tm) + rtc_date_offset;
793 return seconds - qemu_time();
796 static void configure_rtc_date_offset(const char *startdate, int legacy)
798 time_t rtc_start_date;
801 if (!strcmp(startdate, "now") && legacy) {
802 rtc_date_offset = -1;
804 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
812 } else if (sscanf(startdate, "%d-%d-%d",
824 rtc_start_date = mktimegm(&tm);
825 if (rtc_start_date == -1) {
827 fprintf(stderr, "Invalid date format. Valid formats are:\n"
828 "'2006-06-17T16:01:21' or '2006-06-17'\n");
831 rtc_date_offset = qemu_time() - rtc_start_date;
835 static void configure_rtc(QemuOpts *opts)
839 value = qemu_opt_get(opts, "base");
841 if (!strcmp(value, "utc")) {
843 } else if (!strcmp(value, "localtime")) {
846 configure_rtc_date_offset(value, 0);
849 value = qemu_opt_get(opts, "clock");
851 if (!strcmp(value, "host")) {
852 rtc_clock = QEMU_CLOCK_HOST;
853 } else if (!strcmp(value, "rt")) {
854 rtc_clock = QEMU_CLOCK_REALTIME;
855 } else if (!strcmp(value, "vm")) {
856 rtc_clock = QEMU_CLOCK_VIRTUAL;
858 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
862 value = qemu_opt_get(opts, "driftfix");
864 if (!strcmp(value, "slew")) {
865 static GlobalProperty slew_lost_ticks[] = {
867 .driver = "mc146818rtc",
868 .property = "lost_tick_policy",
871 { /* end of list */ }
874 qdev_prop_register_global_list(slew_lost_ticks);
875 } else if (!strcmp(value, "none")) {
876 /* discard is default */
878 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
884 /***********************************************************/
885 /* Bluetooth support */
888 static struct HCIInfo *hci_table[MAX_NICS];
890 struct HCIInfo *qemu_next_hci(void)
892 if (cur_hci == nb_hcis)
895 return hci_table[cur_hci++];
898 static int bt_hci_parse(const char *str)
903 if (nb_hcis >= MAX_NICS) {
904 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
917 bdaddr.b[5] = 0x56 + nb_hcis;
918 hci->bdaddr_set(hci, bdaddr.b);
920 hci_table[nb_hcis++] = hci;
925 static void bt_vhci_add(int vlan_id)
927 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
930 fprintf(stderr, "qemu: warning: adding a VHCI to "
931 "an empty scatternet %i\n", vlan_id);
933 bt_vhci_init(bt_new_hci(vlan));
936 static struct bt_device_s *bt_device_add(const char *opt)
938 struct bt_scatternet_s *vlan;
940 char *endp = strstr(opt, ",vlan=");
941 int len = (endp ? endp - opt : strlen(opt)) + 1;
944 pstrcpy(devname, MIN(sizeof(devname), len), opt);
947 vlan_id = strtol(endp + 6, &endp, 0);
949 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
954 vlan = qemu_find_bt_vlan(vlan_id);
957 fprintf(stderr, "qemu: warning: adding a slave device to "
958 "an empty scatternet %i\n", vlan_id);
960 if (!strcmp(devname, "keyboard"))
961 return bt_keyboard_init(vlan);
963 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
967 static int bt_parse(const char *opt)
969 const char *endp, *p;
972 if (strstart(opt, "hci", &endp)) {
973 if (!*endp || *endp == ',') {
975 if (!strstart(endp, ",vlan=", 0))
978 return bt_hci_parse(opt);
980 } else if (strstart(opt, "vhci", &endp)) {
981 if (!*endp || *endp == ',') {
983 if (strstart(endp, ",vlan=", &p)) {
984 vlan = strtol(p, (char **) &endp, 0);
986 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
990 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
999 } else if (strstart(opt, "device:", &endp))
1000 return !bt_device_add(endp);
1002 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1006 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1008 /* FIXME: change this to true for 1.3 */
1009 if (qemu_opt_get_bool(opts, "enable", false)) {
1010 #ifdef CONFIG_SECCOMP
1011 if (seccomp_start() < 0) {
1012 error_report("failed to install seccomp syscall filter "
1017 error_report("sandboxing request but seccomp is not compiled "
1026 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 const char *proc_name;
1030 if (qemu_opt_get(opts, "debug-threads")) {
1031 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 qemu_name = qemu_opt_get(opts, "guest");
1035 proc_name = qemu_opt_get(opts, "process");
1037 os_set_proc_name(proc_name);
1043 bool defaults_enabled(void)
1045 return has_defaults;
1048 bool usb_enabled(void)
1050 return machine_usb(current_machine);
1054 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1056 int fd, dupfd, flags;
1058 const char *fd_opaque = NULL;
1061 fd = qemu_opt_get_number(opts, "fd", -1);
1062 fdset_id = qemu_opt_get_number(opts, "set", -1);
1063 fd_opaque = qemu_opt_get(opts, "opaque");
1066 error_report("fd option is required and must be non-negative");
1070 if (fd <= STDERR_FILENO) {
1071 error_report("fd cannot be a standard I/O stream");
1076 * All fds inherited across exec() necessarily have FD_CLOEXEC
1077 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1079 flags = fcntl(fd, F_GETFD);
1080 if (flags == -1 || (flags & FD_CLOEXEC)) {
1081 error_report("fd is not valid or already in use");
1086 error_report("set option is required and must be non-negative");
1090 #ifdef F_DUPFD_CLOEXEC
1091 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1095 qemu_set_cloexec(dupfd);
1099 error_report("Error duplicating fd: %s", strerror(errno));
1103 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1104 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1111 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1115 fd = qemu_opt_get_number(opts, "fd", -1);
1122 /***********************************************************/
1123 /* QEMU Block devices */
1125 #define HD_OPTS "media=disk"
1126 #define CDROM_OPTS "media=cdrom"
1128 #define PFLASH_OPTS ""
1132 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1134 BlockInterfaceType *block_default_type = opaque;
1136 return drive_new(opts, *block_default_type) == NULL;
1139 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1141 if (qemu_opt_get(opts, "snapshot") == NULL) {
1142 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1147 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1148 int index, const char *optstr)
1153 if (!enable || drive_get_by_index(type, index)) {
1157 opts = drive_add(type, index, NULL, optstr);
1159 drive_enable_snapshot(NULL, opts, NULL);
1162 dinfo = drive_new(opts, type);
1166 dinfo->is_default = true;
1170 static QemuOptsList qemu_smp_opts = {
1172 .implied_opt_name = "cpus",
1173 .merge_lists = true,
1174 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1178 .type = QEMU_OPT_NUMBER,
1181 .type = QEMU_OPT_NUMBER,
1184 .type = QEMU_OPT_NUMBER,
1187 .type = QEMU_OPT_NUMBER,
1190 .type = QEMU_OPT_NUMBER,
1192 { /*End of list */ }
1196 static void smp_parse(QemuOpts *opts)
1200 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1201 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1202 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1203 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1205 /* compute missing values, prefer sockets over cores over threads */
1206 if (cpus == 0 || sockets == 0) {
1207 sockets = sockets > 0 ? sockets : 1;
1208 cores = cores > 0 ? cores : 1;
1209 threads = threads > 0 ? threads : 1;
1211 cpus = cores * threads * sockets;
1213 } else if (cores == 0) {
1214 threads = threads > 0 ? threads : 1;
1215 cores = cpus / (sockets * threads);
1216 } else if (threads == 0) {
1217 threads = cpus / (cores * sockets);
1218 } else if (sockets * cores * threads < cpus) {
1219 fprintf(stderr, "cpu topology: error: "
1220 "sockets (%u) * cores (%u) * threads (%u) < "
1222 sockets, cores, threads, cpus);
1226 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1227 if (sockets * cores * threads > max_cpus) {
1228 fprintf(stderr, "cpu topology: error: "
1229 "sockets (%u) * cores (%u) * threads (%u) > maxcpus (%u)\n",
1230 sockets, cores, threads, max_cpus);
1235 smp_cores = cores > 0 ? cores : 1;
1236 smp_threads = threads > 0 ? threads : 1;
1240 if (max_cpus == 0) {
1241 max_cpus = smp_cpus;
1244 if (max_cpus > MAX_CPUMASK_BITS) {
1245 fprintf(stderr, "Unsupported number of maxcpus\n");
1248 if (max_cpus < smp_cpus) {
1249 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1255 static void realtime_init(void)
1258 if (os_mlock() < 0) {
1259 fprintf(stderr, "qemu: locking memory failed\n");
1266 static void configure_msg(QemuOpts *opts)
1268 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1271 /***********************************************************/
1274 typedef struct SemihostingConfig {
1276 SemihostingTarget target;
1279 const char *cmdline; /* concatenated argv */
1280 } SemihostingConfig;
1282 static SemihostingConfig semihosting;
1284 bool semihosting_enabled(void)
1286 return semihosting.enabled;
1289 SemihostingTarget semihosting_get_target(void)
1291 return semihosting.target;
1294 const char *semihosting_get_arg(int i)
1296 if (i >= semihosting.argc) {
1299 return semihosting.argv[i];
1302 int semihosting_get_argc(void)
1304 return semihosting.argc;
1307 const char *semihosting_get_cmdline(void)
1309 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1310 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1312 return semihosting.cmdline;
1315 static int add_semihosting_arg(void *opaque,
1316 const char *name, const char *val,
1319 SemihostingConfig *s = opaque;
1320 if (strcmp(name, "arg") == 0) {
1322 /* one extra element as g_strjoinv() expects NULL-terminated array */
1323 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1324 s->argv[s->argc - 1] = val;
1325 s->argv[s->argc] = NULL;
1330 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1331 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1336 add_semihosting_arg(&semihosting, "arg", file, NULL);
1338 /* split -append and initialize argv[1..n] */
1339 cmd_token = strtok(g_strdup(cmd), " ");
1341 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1342 cmd_token = strtok(NULL, " ");
1346 /* Now we still need this for compatibility with XEN. */
1347 bool has_igd_gfx_passthru;
1348 static void igd_gfx_passthru(void)
1350 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1353 /***********************************************************/
1356 static int usb_device_add(const char *devname)
1358 USBDevice *dev = NULL;
1359 #ifndef CONFIG_LINUX
1363 if (!usb_enabled()) {
1367 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1368 dev = usbdevice_create(devname);
1372 /* the other ones */
1373 #ifndef CONFIG_LINUX
1374 /* only the linux version is qdev-ified, usb-bsd still needs this */
1375 if (strstart(devname, "host:", &p)) {
1376 dev = usb_host_device_open(usb_bus_find(-1), p);
1386 static int usb_device_del(const char *devname)
1391 if (strstart(devname, "host:", &p)) {
1395 if (!usb_enabled()) {
1399 p = strchr(devname, '.');
1402 bus_num = strtoul(devname, NULL, 0);
1403 addr = strtoul(p + 1, NULL, 0);
1405 return usb_device_delete_addr(bus_num, addr);
1408 static int usb_parse(const char *cmdline)
1411 r = usb_device_add(cmdline);
1413 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1418 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1420 const char *devname = qdict_get_str(qdict, "devname");
1421 if (usb_device_add(devname) < 0) {
1422 error_report("could not add USB device '%s'", devname);
1426 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1428 const char *devname = qdict_get_str(qdict, "devname");
1429 if (usb_device_del(devname) < 0) {
1430 error_report("could not delete USB device '%s'", devname);
1434 /***********************************************************/
1435 /* machine registration */
1437 MachineState *current_machine;
1439 static MachineClass *find_machine(const char *name)
1441 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1442 MachineClass *mc = NULL;
1444 for (el = machines; el; el = el->next) {
1445 MachineClass *temp = el->data;
1447 if (!strcmp(temp->name, name)) {
1452 !strcmp(temp->alias, name)) {
1458 g_slist_free(machines);
1462 MachineClass *find_default_machine(void)
1464 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1465 MachineClass *mc = NULL;
1467 for (el = machines; el; el = el->next) {
1468 MachineClass *temp = el->data;
1470 if (temp->is_default) {
1476 g_slist_free(machines);
1480 MachineInfoList *qmp_query_machines(Error **errp)
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineInfoList *mach_list = NULL;
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *mc = el->data;
1487 MachineInfoList *entry;
1490 info = g_malloc0(sizeof(*info));
1491 if (mc->is_default) {
1492 info->has_is_default = true;
1493 info->is_default = true;
1497 info->has_alias = true;
1498 info->alias = g_strdup(mc->alias);
1501 info->name = g_strdup(mc->name);
1502 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1504 entry = g_malloc0(sizeof(*entry));
1505 entry->value = info;
1506 entry->next = mach_list;
1510 g_slist_free(machines);
1514 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1516 ObjectProperty *prop;
1518 if (!qemu_opt_has_help_opt(opts)) {
1522 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1527 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1528 prop->name, prop->type);
1529 if (prop->description) {
1530 error_printf(" (%s)\n", prop->description);
1539 /***********************************************************/
1540 /* main execution loop */
1542 struct vm_change_state_entry {
1543 VMChangeStateHandler *cb;
1545 QLIST_ENTRY (vm_change_state_entry) entries;
1548 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1550 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1553 VMChangeStateEntry *e;
1555 e = g_malloc0(sizeof (*e));
1559 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1563 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1565 QLIST_REMOVE (e, entries);
1569 void vm_state_notify(int running, RunState state)
1571 VMChangeStateEntry *e, *next;
1573 trace_vm_state_notify(running, state);
1575 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1576 e->cb(e->opaque, running, state);
1580 /* reset/shutdown handler */
1582 typedef struct QEMUResetEntry {
1583 QTAILQ_ENTRY(QEMUResetEntry) entry;
1584 QEMUResetHandler *func;
1588 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1589 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1590 static int reset_requested;
1591 static int shutdown_requested, shutdown_signal = -1;
1592 static pid_t shutdown_pid;
1593 static int powerdown_requested;
1594 static int debug_requested;
1595 static int suspend_requested;
1596 static WakeupReason wakeup_reason;
1597 static NotifierList powerdown_notifiers =
1598 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1599 static NotifierList suspend_notifiers =
1600 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1601 static NotifierList wakeup_notifiers =
1602 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1603 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1605 int qemu_shutdown_requested_get(void)
1607 return shutdown_requested;
1610 int qemu_reset_requested_get(void)
1612 return reset_requested;
1615 static int qemu_shutdown_requested(void)
1617 return atomic_xchg(&shutdown_requested, 0);
1620 static void qemu_kill_report(void)
1622 if (!qtest_driver() && shutdown_signal != -1) {
1623 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1624 if (shutdown_pid == 0) {
1625 /* This happens for eg ^C at the terminal, so it's worth
1626 * avoiding printing an odd message in that case.
1628 fputc('\n', stderr);
1630 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1632 shutdown_signal = -1;
1636 static int qemu_reset_requested(void)
1638 int r = reset_requested;
1639 reset_requested = 0;
1643 static int qemu_suspend_requested(void)
1645 int r = suspend_requested;
1646 suspend_requested = 0;
1650 static WakeupReason qemu_wakeup_requested(void)
1652 return wakeup_reason;
1655 static int qemu_powerdown_requested(void)
1657 int r = powerdown_requested;
1658 powerdown_requested = 0;
1662 static int qemu_debug_requested(void)
1664 int r = debug_requested;
1665 debug_requested = 0;
1669 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1671 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1674 re->opaque = opaque;
1675 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1678 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1682 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1683 if (re->func == func && re->opaque == opaque) {
1684 QTAILQ_REMOVE(&reset_handlers, re, entry);
1691 void qemu_devices_reset(void)
1693 QEMUResetEntry *re, *nre;
1695 /* reset all devices */
1696 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1697 re->func(re->opaque);
1701 void qemu_system_reset(bool report)
1705 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1707 if (mc && mc->reset) {
1710 qemu_devices_reset();
1713 qapi_event_send_reset(&error_abort);
1715 cpu_synchronize_all_post_reset();
1718 void qemu_system_guest_panicked(void)
1721 current_cpu->crash_occurred = true;
1723 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1724 vm_stop(RUN_STATE_GUEST_PANICKED);
1727 void qemu_system_reset_request(void)
1730 shutdown_requested = 1;
1732 reset_requested = 1;
1735 qemu_notify_event();
1738 static void qemu_system_suspend(void)
1741 notifier_list_notify(&suspend_notifiers, NULL);
1742 runstate_set(RUN_STATE_SUSPENDED);
1743 qapi_event_send_suspend(&error_abort);
1746 void qemu_system_suspend_request(void)
1748 if (runstate_check(RUN_STATE_SUSPENDED)) {
1751 suspend_requested = 1;
1753 qemu_notify_event();
1756 void qemu_register_suspend_notifier(Notifier *notifier)
1758 notifier_list_add(&suspend_notifiers, notifier);
1761 void qemu_system_wakeup_request(WakeupReason reason)
1763 trace_system_wakeup_request(reason);
1765 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1768 if (!(wakeup_reason_mask & (1 << reason))) {
1771 runstate_set(RUN_STATE_RUNNING);
1772 wakeup_reason = reason;
1773 qemu_notify_event();
1776 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1779 wakeup_reason_mask |= (1 << reason);
1781 wakeup_reason_mask &= ~(1 << reason);
1785 void qemu_register_wakeup_notifier(Notifier *notifier)
1787 notifier_list_add(&wakeup_notifiers, notifier);
1790 void qemu_system_killed(int signal, pid_t pid)
1792 shutdown_signal = signal;
1795 qemu_system_shutdown_request();
1798 void qemu_system_shutdown_request(void)
1800 trace_qemu_system_shutdown_request();
1801 shutdown_requested = 1;
1802 qemu_notify_event();
1805 static void qemu_system_powerdown(void)
1807 qapi_event_send_powerdown(&error_abort);
1808 notifier_list_notify(&powerdown_notifiers, NULL);
1811 void qemu_system_powerdown_request(void)
1813 trace_qemu_system_powerdown_request();
1814 powerdown_requested = 1;
1815 qemu_notify_event();
1818 void qemu_register_powerdown_notifier(Notifier *notifier)
1820 notifier_list_add(&powerdown_notifiers, notifier);
1823 void qemu_system_debug_request(void)
1825 debug_requested = 1;
1826 qemu_notify_event();
1829 static bool main_loop_should_exit(void)
1832 if (qemu_debug_requested()) {
1833 vm_stop(RUN_STATE_DEBUG);
1835 if (qemu_suspend_requested()) {
1836 qemu_system_suspend();
1838 if (qemu_shutdown_requested()) {
1840 qapi_event_send_shutdown(&error_abort);
1842 vm_stop(RUN_STATE_SHUTDOWN);
1847 if (qemu_reset_requested()) {
1849 cpu_synchronize_all_states();
1850 qemu_system_reset(VMRESET_REPORT);
1852 if (runstate_needs_reset()) {
1853 runstate_set(RUN_STATE_PAUSED);
1856 if (qemu_wakeup_requested()) {
1858 cpu_synchronize_all_states();
1859 qemu_system_reset(VMRESET_SILENT);
1860 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1861 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1863 qapi_event_send_wakeup(&error_abort);
1865 if (qemu_powerdown_requested()) {
1866 qemu_system_powerdown();
1868 if (qemu_vmstop_requested(&r)) {
1874 static void main_loop(void)
1878 #ifdef CONFIG_PROFILER
1882 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1883 #ifdef CONFIG_PROFILER
1884 ti = profile_getclock();
1886 last_io = main_loop_wait(nonblocking);
1887 #ifdef CONFIG_PROFILER
1888 dev_time += profile_getclock() - ti;
1890 } while (!main_loop_should_exit());
1893 static void version(void)
1895 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1898 static void help(int exitcode)
1901 printf("usage: %s [options] [disk_image]\n\n"
1902 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1903 error_get_progname());
1905 #define QEMU_OPTIONS_GENERATE_HELP
1906 #include "qemu-options-wrapper.h"
1908 printf("\nDuring emulation, the following keys are useful:\n"
1909 "ctrl-alt-f toggle full screen\n"
1910 "ctrl-alt-n switch to virtual console 'n'\n"
1911 "ctrl-alt toggle mouse and keyboard grab\n"
1913 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1918 #define HAS_ARG 0x0001
1920 typedef struct QEMUOption {
1927 static const QEMUOption qemu_options[] = {
1928 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1929 #define QEMU_OPTIONS_GENERATE_OPTIONS
1930 #include "qemu-options-wrapper.h"
1934 static bool vga_available(void)
1936 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1939 static bool cirrus_vga_available(void)
1941 return object_class_by_name("cirrus-vga")
1942 || object_class_by_name("isa-cirrus-vga");
1945 static bool vmware_vga_available(void)
1947 return object_class_by_name("vmware-svga");
1950 static bool qxl_vga_available(void)
1952 return object_class_by_name("qxl-vga");
1955 static bool tcx_vga_available(void)
1957 return object_class_by_name("SUNW,tcx");
1960 static bool cg3_vga_available(void)
1962 return object_class_by_name("cgthree");
1965 static bool virtio_vga_available(void)
1967 return object_class_by_name("virtio-vga");
1970 static void select_vgahw (const char *p)
1974 assert(vga_interface_type == VGA_NONE);
1975 if (strstart(p, "std", &opts)) {
1976 if (vga_available()) {
1977 vga_interface_type = VGA_STD;
1979 fprintf(stderr, "Error: standard VGA not available\n");
1982 } else if (strstart(p, "cirrus", &opts)) {
1983 if (cirrus_vga_available()) {
1984 vga_interface_type = VGA_CIRRUS;
1986 fprintf(stderr, "Error: Cirrus VGA not available\n");
1989 } else if (strstart(p, "vmware", &opts)) {
1990 if (vmware_vga_available()) {
1991 vga_interface_type = VGA_VMWARE;
1993 fprintf(stderr, "Error: VMWare SVGA not available\n");
1996 } else if (strstart(p, "virtio", &opts)) {
1997 if (virtio_vga_available()) {
1998 vga_interface_type = VGA_VIRTIO;
2000 fprintf(stderr, "Error: Virtio VGA not available\n");
2003 } else if (strstart(p, "xenfb", &opts)) {
2004 vga_interface_type = VGA_XENFB;
2005 } else if (strstart(p, "qxl", &opts)) {
2006 if (qxl_vga_available()) {
2007 vga_interface_type = VGA_QXL;
2009 fprintf(stderr, "Error: QXL VGA not available\n");
2012 } else if (strstart(p, "tcx", &opts)) {
2013 if (tcx_vga_available()) {
2014 vga_interface_type = VGA_TCX;
2016 fprintf(stderr, "Error: TCX framebuffer not available\n");
2019 } else if (strstart(p, "cg3", &opts)) {
2020 if (cg3_vga_available()) {
2021 vga_interface_type = VGA_CG3;
2023 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2026 } else if (!strstart(p, "none", &opts)) {
2028 fprintf(stderr, "Unknown vga type: %s\n", p);
2032 const char *nextopt;
2034 if (strstart(opts, ",retrace=", &nextopt)) {
2036 if (strstart(opts, "dumb", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_DUMB;
2038 else if (strstart(opts, "precise", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_PRECISE;
2040 else goto invalid_vga;
2041 } else goto invalid_vga;
2046 static DisplayType select_display(const char *p)
2049 DisplayType display = DT_DEFAULT;
2051 if (strstart(p, "sdl", &opts)) {
2055 const char *nextopt;
2057 if (strstart(opts, ",frame=", &nextopt)) {
2059 if (strstart(opts, "on", &nextopt)) {
2061 } else if (strstart(opts, "off", &nextopt)) {
2064 goto invalid_sdl_args;
2066 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2068 if (strstart(opts, "on", &nextopt)) {
2070 } else if (strstart(opts, "off", &nextopt)) {
2073 goto invalid_sdl_args;
2075 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2077 if (strstart(opts, "on", &nextopt)) {
2079 } else if (strstart(opts, "off", &nextopt)) {
2082 goto invalid_sdl_args;
2084 } else if (strstart(opts, ",window_close=", &nextopt)) {
2086 if (strstart(opts, "on", &nextopt)) {
2088 } else if (strstart(opts, "off", &nextopt)) {
2091 goto invalid_sdl_args;
2093 } else if (strstart(opts, ",gl=", &nextopt)) {
2095 if (strstart(opts, "on", &nextopt)) {
2097 } else if (strstart(opts, "off", &nextopt)) {
2100 goto invalid_sdl_args;
2104 error_report("Invalid SDL option string");
2110 error_report("SDL support is disabled");
2113 } else if (strstart(p, "vnc", &opts)) {
2117 if (vnc_parse(opts + 1, &err) == NULL) {
2118 error_report_err(err);
2122 error_report("VNC requires a display argument vnc=<display>");
2126 error_report("VNC support is disabled");
2129 } else if (strstart(p, "curses", &opts)) {
2130 #ifdef CONFIG_CURSES
2131 display = DT_CURSES;
2133 error_report("Curses support is disabled");
2136 } else if (strstart(p, "gtk", &opts)) {
2140 const char *nextopt;
2142 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2144 if (strstart(opts, "on", &nextopt)) {
2145 grab_on_hover = true;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 grab_on_hover = false;
2149 goto invalid_gtk_args;
2151 } else if (strstart(opts, ",gl=", &nextopt)) {
2153 if (strstart(opts, "on", &nextopt)) {
2155 } else if (strstart(opts, "off", &nextopt)) {
2158 goto invalid_gtk_args;
2162 error_report("Invalid GTK option string");
2168 error_report("GTK support is disabled");
2171 } else if (strstart(p, "none", &opts)) {
2174 error_report("Unknown display type");
2181 static int balloon_parse(const char *arg)
2185 if (strcmp(arg, "none") == 0) {
2189 if (!strncmp(arg, "virtio", 6)) {
2190 if (arg[6] == ',') {
2191 /* have params -> parse them */
2192 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2197 /* create empty opts */
2198 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2201 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2208 char *qemu_find_file(int type, const char *name)
2214 /* Try the name as a straight path first */
2215 if (access(name, R_OK) == 0) {
2216 trace_load_file(name, name);
2217 return g_strdup(name);
2221 case QEMU_FILE_TYPE_BIOS:
2224 case QEMU_FILE_TYPE_KEYMAP:
2225 subdir = "keymaps/";
2231 for (i = 0; i < data_dir_idx; i++) {
2232 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2233 if (access(buf, R_OK) == 0) {
2234 trace_load_file(name, buf);
2242 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2246 const char *name, *file;
2248 if (opaque == NULL) {
2249 error_report("fw_cfg device not available");
2252 name = qemu_opt_get(opts, "name");
2253 file = qemu_opt_get(opts, "file");
2254 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2255 error_report("invalid argument value");
2258 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2259 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2262 if (strncmp(name, "opt/", 4) != 0) {
2263 error_report("WARNING: externally provided fw_cfg item names "
2264 "should be prefixed with \"opt/\"!");
2266 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2267 error_report("can't load %s", file);
2270 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2274 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2276 return qdev_device_help(opts);
2279 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2284 dev = qdev_device_add(opts, &err);
2286 error_report_err(err);
2289 object_unref(OBJECT(dev));
2293 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2295 Error *local_err = NULL;
2297 qemu_chr_new_from_opts(opts, NULL, &local_err);
2299 error_report_err(local_err);
2305 #ifdef CONFIG_VIRTFS
2306 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2309 ret = qemu_fsdev_add(opts);
2315 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 CharDriverState *chr;
2318 const char *chardev;
2322 mode = qemu_opt_get(opts, "mode");
2326 if (strcmp(mode, "readline") == 0) {
2327 flags = MONITOR_USE_READLINE;
2328 } else if (strcmp(mode, "control") == 0) {
2329 flags = MONITOR_USE_CONTROL;
2331 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2335 if (qemu_opt_get_bool(opts, "pretty", 0))
2336 flags |= MONITOR_USE_PRETTY;
2338 if (qemu_opt_get_bool(opts, "default", 0))
2339 flags |= MONITOR_IS_DEFAULT;
2341 chardev = qemu_opt_get(opts, "chardev");
2342 chr = qemu_chr_find(chardev);
2344 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2348 qemu_chr_fe_claim_no_fail(chr);
2349 monitor_init(chr, flags);
2353 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2355 static int monitor_device_index = 0;
2356 Error *local_err = NULL;
2362 if (strstart(optarg, "chardev:", &p)) {
2363 snprintf(label, sizeof(label), "%s", p);
2365 snprintf(label, sizeof(label), "compat_monitor%d",
2366 monitor_device_index);
2367 if (monitor_device_index == 0) {
2370 opts = qemu_chr_parse_compat(label, optarg);
2372 fprintf(stderr, "parse error: %s\n", optarg);
2377 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2379 error_report_err(local_err);
2382 qemu_opt_set(opts, "mode", mode, &error_abort);
2383 qemu_opt_set(opts, "chardev", label, &error_abort);
2384 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2386 qemu_opt_set(opts, "default", "on", &error_abort);
2387 monitor_device_index++;
2390 struct device_config {
2392 DEV_USB, /* -usbdevice */
2394 DEV_SERIAL, /* -serial */
2395 DEV_PARALLEL, /* -parallel */
2396 DEV_VIRTCON, /* -virtioconsole */
2397 DEV_DEBUGCON, /* -debugcon */
2398 DEV_GDB, /* -gdb, -s */
2399 DEV_SCLP, /* s390 sclp */
2401 const char *cmdline;
2403 QTAILQ_ENTRY(device_config) next;
2406 static QTAILQ_HEAD(, device_config) device_configs =
2407 QTAILQ_HEAD_INITIALIZER(device_configs);
2409 static void add_device_config(int type, const char *cmdline)
2411 struct device_config *conf;
2413 conf = g_malloc0(sizeof(*conf));
2415 conf->cmdline = cmdline;
2416 loc_save(&conf->loc);
2417 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2420 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2422 struct device_config *conf;
2425 QTAILQ_FOREACH(conf, &device_configs, next) {
2426 if (conf->type != type)
2428 loc_push_restore(&conf->loc);
2429 rc = func(conf->cmdline);
2430 loc_pop(&conf->loc);
2438 static int serial_parse(const char *devname)
2440 static int index = 0;
2443 if (strcmp(devname, "none") == 0)
2445 if (index == MAX_SERIAL_PORTS) {
2446 fprintf(stderr, "qemu: too many serial ports\n");
2449 snprintf(label, sizeof(label), "serial%d", index);
2450 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2451 if (!serial_hds[index]) {
2452 fprintf(stderr, "qemu: could not connect serial device"
2453 " to character backend '%s'\n", devname);
2460 static int parallel_parse(const char *devname)
2462 static int index = 0;
2465 if (strcmp(devname, "none") == 0)
2467 if (index == MAX_PARALLEL_PORTS) {
2468 fprintf(stderr, "qemu: too many parallel ports\n");
2471 snprintf(label, sizeof(label), "parallel%d", index);
2472 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!parallel_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect parallel device"
2475 " to character backend '%s'\n", devname);
2482 static int virtcon_parse(const char *devname)
2484 QemuOptsList *device = qemu_find_opts("device");
2485 static int index = 0;
2487 QemuOpts *bus_opts, *dev_opts;
2489 if (strcmp(devname, "none") == 0)
2491 if (index == MAX_VIRTIO_CONSOLES) {
2492 fprintf(stderr, "qemu: too many virtio consoles\n");
2496 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2497 if (arch_type == QEMU_ARCH_S390X) {
2498 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2500 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2503 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2504 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2506 snprintf(label, sizeof(label), "virtcon%d", index);
2507 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2508 if (!virtcon_hds[index]) {
2509 fprintf(stderr, "qemu: could not connect virtio console"
2510 " to character backend '%s'\n", devname);
2513 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2519 static int sclp_parse(const char *devname)
2521 QemuOptsList *device = qemu_find_opts("device");
2522 static int index = 0;
2526 if (strcmp(devname, "none") == 0) {
2529 if (index == MAX_SCLP_CONSOLES) {
2530 fprintf(stderr, "qemu: too many sclp consoles\n");
2534 assert(arch_type == QEMU_ARCH_S390X);
2536 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2537 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2539 snprintf(label, sizeof(label), "sclpcon%d", index);
2540 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2541 if (!sclp_hds[index]) {
2542 fprintf(stderr, "qemu: could not connect sclp console"
2543 " to character backend '%s'\n", devname);
2546 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2552 static int debugcon_parse(const char *devname)
2556 if (!qemu_chr_new("debugcon", devname, NULL)) {
2559 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2561 fprintf(stderr, "qemu: already have a debugcon device\n");
2564 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2565 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2569 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2571 const MachineClass *mc1 = a, *mc2 = b;
2574 if (mc1->family == NULL) {
2575 if (mc2->family == NULL) {
2576 /* Compare standalone machine types against each other; they sort
2577 * in increasing order.
2579 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2580 object_class_get_name(OBJECT_CLASS(mc2)));
2583 /* Standalone machine types sort after families. */
2587 if (mc2->family == NULL) {
2588 /* Families sort before standalone machine types. */
2592 /* Families sort between each other alphabetically increasingly. */
2593 res = strcmp(mc1->family, mc2->family);
2598 /* Within the same family, machine types sort in decreasing order. */
2599 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2600 object_class_get_name(OBJECT_CLASS(mc1)));
2603 static MachineClass *machine_parse(const char *name)
2605 MachineClass *mc = NULL;
2606 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2609 mc = find_machine(name);
2612 g_slist_free(machines);
2615 if (name && !is_help_option(name)) {
2616 error_report("Unsupported machine type");
2617 error_printf("Use -machine help to list supported machines!\n");
2619 printf("Supported machines are:\n");
2620 machines = g_slist_sort(machines, machine_class_cmp);
2621 for (el = machines; el; el = el->next) {
2622 MachineClass *mc = el->data;
2624 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2626 printf("%-20s %s%s\n", mc->name, mc->desc,
2627 mc->is_default ? " (default)" : "");
2631 g_slist_free(machines);
2632 exit(!name || !is_help_option(name));
2635 void qemu_add_exit_notifier(Notifier *notify)
2637 notifier_list_add(&exit_notifiers, notify);
2640 void qemu_remove_exit_notifier(Notifier *notify)
2642 notifier_remove(notify);
2645 static void qemu_run_exit_notifiers(void)
2647 notifier_list_notify(&exit_notifiers, NULL);
2650 static bool machine_init_done;
2652 void qemu_add_machine_init_done_notifier(Notifier *notify)
2654 notifier_list_add(&machine_init_done_notifiers, notify);
2655 if (machine_init_done) {
2656 notify->notify(notify, NULL);
2660 static void qemu_run_machine_init_done_notifiers(void)
2662 notifier_list_notify(&machine_init_done_notifiers, NULL);
2663 machine_init_done = true;
2666 static const QEMUOption *lookup_opt(int argc, char **argv,
2667 const char **poptarg, int *poptind)
2669 const QEMUOption *popt;
2670 int optind = *poptind;
2671 char *r = argv[optind];
2674 loc_set_cmdline(argv, optind, 1);
2676 /* Treat --foo the same as -foo. */
2679 popt = qemu_options;
2682 error_report("invalid option");
2685 if (!strcmp(popt->name, r + 1))
2689 if (popt->flags & HAS_ARG) {
2690 if (optind >= argc) {
2691 error_report("requires an argument");
2694 optarg = argv[optind++];
2695 loc_set_cmdline(argv, optind - 2, 2);
2706 static int machine_set_property(void *opaque,
2707 const char *name, const char *value,
2710 Object *obj = OBJECT(opaque);
2711 Error *local_err = NULL;
2714 if (strcmp(name, "type") == 0) {
2718 qom_name = g_strdup(name);
2726 object_property_parse(obj, value, qom_name, &local_err);
2730 error_report_err(local_err);
2739 * Initial object creation happens before all other
2740 * QEMU data types are created. The majority of objects
2741 * can be created at this point. The rng-egd object
2742 * cannot be created here, as it depends on the chardev
2745 static bool object_create_initial(const char *type)
2747 if (g_str_equal(type, "rng-egd")) {
2751 if (g_str_equal(type, "filter-buffer")) {
2760 * The remainder of object creation happens after the
2761 * creation of chardev, fsdev, net clients and device data types.
2763 static bool object_create_delayed(const char *type)
2765 return !object_create_initial(type);
2769 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2777 bool (*type_predicate)(const char *) = opaque;
2779 ov = opts_visitor_new(opts);
2780 pdict = qemu_opts_to_qdict(opts, NULL);
2782 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2787 qdict_del(pdict, "qom-type");
2788 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2792 if (!type_predicate(type)) {
2796 qdict_del(pdict, "id");
2797 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2802 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2806 visit_end_struct(opts_get_visitor(ov), &err);
2808 qmp_object_del(id, NULL);
2812 opts_visitor_cleanup(ov);
2819 error_report_err(err);
2825 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2829 const char *mem_str;
2830 const char *maxmem_str, *slots_str;
2831 const ram_addr_t default_ram_size = mc->default_ram_size;
2832 QemuOpts *opts = qemu_find_opts_singleton("memory");
2835 mem_str = qemu_opt_get(opts, "size");
2838 error_report("missing 'size' option value");
2842 sz = qemu_opt_get_size(opts, "size", ram_size);
2844 /* Fix up legacy suffix-less format */
2845 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2846 uint64_t overflow_check = sz;
2849 if ((sz >> 20) != overflow_check) {
2850 error_report("too large 'size' option value");
2856 /* backward compatibility behaviour for case "-m 0" */
2858 sz = default_ram_size;
2861 sz = QEMU_ALIGN_UP(sz, 8192);
2863 if (ram_size != sz) {
2864 error_report("ram size too large");
2868 /* store value for the future use */
2869 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2870 *maxram_size = ram_size;
2872 maxmem_str = qemu_opt_get(opts, "maxmem");
2873 slots_str = qemu_opt_get(opts, "slots");
2874 if (maxmem_str && slots_str) {
2877 sz = qemu_opt_get_size(opts, "maxmem", 0);
2878 slots = qemu_opt_get_number(opts, "slots", 0);
2879 if (sz < ram_size) {
2880 error_report("invalid value of -m option maxmem: "
2881 "maximum memory size (0x%" PRIx64 ") must be at least "
2882 "the initial memory size (0x" RAM_ADDR_FMT ")",
2885 } else if (sz > ram_size) {
2887 error_report("invalid value of -m option: maxmem was "
2888 "specified, but no hotplug slots were specified");
2892 error_report("invalid value of -m option maxmem: "
2893 "memory slots were specified but maximum memory size "
2894 "(0x%" PRIx64 ") is equal to the initial memory size "
2895 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2901 } else if ((!maxmem_str && slots_str) ||
2902 (maxmem_str && !slots_str)) {
2903 error_report("invalid -m option value: missing "
2904 "'%s' option", slots_str ? "maxmem" : "slots");
2909 int main(int argc, char **argv, char **envp)
2912 int snapshot, linux_boot;
2913 const char *initrd_filename;
2914 const char *kernel_filename, *kernel_cmdline;
2915 const char *boot_order = NULL;
2916 const char *boot_once = NULL;
2918 int cyls, heads, secs, translation;
2919 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2920 QemuOptsList *olist;
2923 const char *loadvm = NULL;
2924 MachineClass *machine_class;
2925 const char *cpu_model;
2926 const char *vga_model = NULL;
2927 const char *qtest_chrdev = NULL;
2928 const char *qtest_log = NULL;
2929 const char *pid_file = NULL;
2930 const char *incoming = NULL;
2932 int show_vnc_port = 0;
2934 bool defconfig = true;
2935 bool userconfig = true;
2936 const char *log_mask = NULL;
2937 const char *log_file = NULL;
2938 const char *trace_events = NULL;
2939 const char *trace_file = NULL;
2940 ram_addr_t maxram_size;
2941 uint64_t ram_slots = 0;
2942 FILE *vmstate_dump_file = NULL;
2943 Error *main_loop_err = NULL;
2946 qemu_init_cpu_loop();
2947 qemu_mutex_lock_iothread();
2949 atexit(qemu_run_exit_notifiers);
2950 error_set_progname(argv[0]);
2951 qemu_init_exec_dir(argv[0]);
2953 module_call_init(MODULE_INIT_QOM);
2955 qemu_add_opts(&qemu_drive_opts);
2956 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2957 qemu_add_drive_opts(&qemu_common_drive_opts);
2958 qemu_add_drive_opts(&qemu_drive_opts);
2959 qemu_add_opts(&qemu_chardev_opts);
2960 qemu_add_opts(&qemu_device_opts);
2961 qemu_add_opts(&qemu_netdev_opts);
2962 qemu_add_opts(&qemu_net_opts);
2963 qemu_add_opts(&qemu_rtc_opts);
2964 qemu_add_opts(&qemu_global_opts);
2965 qemu_add_opts(&qemu_mon_opts);
2966 qemu_add_opts(&qemu_trace_opts);
2967 qemu_add_opts(&qemu_option_rom_opts);
2968 qemu_add_opts(&qemu_machine_opts);
2969 qemu_add_opts(&qemu_mem_opts);
2970 qemu_add_opts(&qemu_smp_opts);
2971 qemu_add_opts(&qemu_boot_opts);
2972 qemu_add_opts(&qemu_sandbox_opts);
2973 qemu_add_opts(&qemu_add_fd_opts);
2974 qemu_add_opts(&qemu_object_opts);
2975 qemu_add_opts(&qemu_tpmdev_opts);
2976 qemu_add_opts(&qemu_realtime_opts);
2977 qemu_add_opts(&qemu_msg_opts);
2978 qemu_add_opts(&qemu_name_opts);
2979 qemu_add_opts(&qemu_numa_opts);
2980 qemu_add_opts(&qemu_icount_opts);
2981 qemu_add_opts(&qemu_semihosting_config_opts);
2982 qemu_add_opts(&qemu_fw_cfg_opts);
2986 if (qcrypto_init(&err) < 0) {
2987 fprintf(stderr, "Cannot initialize crypto: %s\n",
2988 error_get_pretty(err));
2991 rtc_clock = QEMU_CLOCK_HOST;
2993 QLIST_INIT (&vm_change_state_head);
2994 os_setup_early_signal_handling();
2996 module_call_init(MODULE_INIT_MACHINE);
2997 machine_class = find_default_machine();
3000 cyls = heads = secs = 0;
3001 translation = BIOS_ATA_TRANSLATION_AUTO;
3005 bdrv_init_with_whitelist();
3009 /* first pass of option parsing */
3011 while (optind < argc) {
3012 if (argv[optind][0] != '-') {
3016 const QEMUOption *popt;
3018 popt = lookup_opt(argc, argv, &optarg, &optind);
3019 switch (popt->index) {
3020 case QEMU_OPTION_nodefconfig:
3023 case QEMU_OPTION_nouserconfig:
3032 ret = qemu_read_default_config_files(userconfig);
3038 /* second pass of option parsing */
3043 if (argv[optind][0] != '-') {
3044 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3046 const QEMUOption *popt;
3048 popt = lookup_opt(argc, argv, &optarg, &optind);
3049 if (!(popt->arch_mask & arch_type)) {
3050 printf("Option %s not supported for this target\n", popt->name);
3053 switch(popt->index) {
3054 case QEMU_OPTION_no_kvm_irqchip: {
3055 olist = qemu_find_opts("machine");
3056 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3059 case QEMU_OPTION_cpu:
3060 /* hw initialization will check this */
3063 case QEMU_OPTION_hda:
3067 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3069 snprintf(buf, sizeof(buf),
3070 "%s,cyls=%d,heads=%d,secs=%d%s",
3071 HD_OPTS , cyls, heads, secs,
3072 translation == BIOS_ATA_TRANSLATION_LBA ?
3074 translation == BIOS_ATA_TRANSLATION_NONE ?
3075 ",trans=none" : "");
3076 drive_add(IF_DEFAULT, 0, optarg, buf);
3079 case QEMU_OPTION_hdb:
3080 case QEMU_OPTION_hdc:
3081 case QEMU_OPTION_hdd:
3082 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3085 case QEMU_OPTION_drive:
3086 if (drive_def(optarg) == NULL) {
3090 case QEMU_OPTION_set:
3091 if (qemu_set_option(optarg) != 0)
3094 case QEMU_OPTION_global:
3095 if (qemu_global_option(optarg) != 0)
3098 case QEMU_OPTION_mtdblock:
3099 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3101 case QEMU_OPTION_sd:
3102 drive_add(IF_SD, -1, optarg, SD_OPTS);
3104 case QEMU_OPTION_pflash:
3105 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3107 case QEMU_OPTION_snapshot:
3110 case QEMU_OPTION_hdachs:
3114 cyls = strtol(p, (char **)&p, 0);
3115 if (cyls < 1 || cyls > 16383)
3120 heads = strtol(p, (char **)&p, 0);
3121 if (heads < 1 || heads > 16)
3126 secs = strtol(p, (char **)&p, 0);
3127 if (secs < 1 || secs > 63)
3131 if (!strcmp(p, "large")) {
3132 translation = BIOS_ATA_TRANSLATION_LARGE;
3133 } else if (!strcmp(p, "rechs")) {
3134 translation = BIOS_ATA_TRANSLATION_RECHS;
3135 } else if (!strcmp(p, "none")) {
3136 translation = BIOS_ATA_TRANSLATION_NONE;
3137 } else if (!strcmp(p, "lba")) {
3138 translation = BIOS_ATA_TRANSLATION_LBA;
3139 } else if (!strcmp(p, "auto")) {
3140 translation = BIOS_ATA_TRANSLATION_AUTO;
3144 } else if (*p != '\0') {
3146 fprintf(stderr, "qemu: invalid physical CHS format\n");
3149 if (hda_opts != NULL) {
3150 qemu_opt_set_number(hda_opts, "cyls", cyls,
3152 qemu_opt_set_number(hda_opts, "heads", heads,
3154 qemu_opt_set_number(hda_opts, "secs", secs,
3156 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3157 qemu_opt_set(hda_opts, "trans", "large",
3159 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3160 qemu_opt_set(hda_opts, "trans", "rechs",
3162 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3163 qemu_opt_set(hda_opts, "trans", "lba",
3165 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3166 qemu_opt_set(hda_opts, "trans", "none",
3172 case QEMU_OPTION_numa:
3173 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3179 case QEMU_OPTION_display:
3180 display_type = select_display(optarg);
3182 case QEMU_OPTION_nographic:
3183 display_type = DT_NOGRAPHIC;
3185 case QEMU_OPTION_curses:
3186 #ifdef CONFIG_CURSES
3187 display_type = DT_CURSES;
3189 fprintf(stderr, "Curses support is disabled\n");
3193 case QEMU_OPTION_portrait:
3194 graphic_rotate = 90;
3196 case QEMU_OPTION_rotate:
3197 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3198 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3199 graphic_rotate != 180 && graphic_rotate != 270) {
3201 "qemu: only 90, 180, 270 deg rotation is available\n");
3205 case QEMU_OPTION_kernel:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3209 case QEMU_OPTION_initrd:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3213 case QEMU_OPTION_append:
3214 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3217 case QEMU_OPTION_dtb:
3218 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3221 case QEMU_OPTION_cdrom:
3222 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3224 case QEMU_OPTION_boot:
3225 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3231 case QEMU_OPTION_fda:
3232 case QEMU_OPTION_fdb:
3233 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3236 case QEMU_OPTION_no_fd_bootchk:
3239 case QEMU_OPTION_netdev:
3240 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3244 case QEMU_OPTION_net:
3245 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3249 #ifdef CONFIG_LIBISCSI
3250 case QEMU_OPTION_iscsi:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3259 case QEMU_OPTION_tftp:
3260 legacy_tftp_prefix = optarg;
3262 case QEMU_OPTION_bootp:
3263 legacy_bootp_filename = optarg;
3265 case QEMU_OPTION_redir:
3266 if (net_slirp_redir(optarg) < 0)
3270 case QEMU_OPTION_bt:
3271 add_device_config(DEV_BT, optarg);
3273 case QEMU_OPTION_audio_help:
3277 case QEMU_OPTION_soundhw:
3278 select_soundhw (optarg);
3283 case QEMU_OPTION_version:
3288 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3295 case QEMU_OPTION_tpmdev:
3296 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3301 case QEMU_OPTION_mempath:
3304 case QEMU_OPTION_mem_prealloc:
3314 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3316 case QEMU_OPTION_gdb:
3317 add_device_config(DEV_GDB, optarg);
3320 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3321 data_dir[data_dir_idx++] = optarg;
3324 case QEMU_OPTION_bios:
3325 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3328 case QEMU_OPTION_singlestep:
3335 keyboard_layout = optarg;
3337 case QEMU_OPTION_localtime:
3340 case QEMU_OPTION_vga:
3349 w = strtol(p, (char **)&p, 10);
3352 fprintf(stderr, "qemu: invalid resolution or depth\n");
3358 h = strtol(p, (char **)&p, 10);
3363 depth = strtol(p, (char **)&p, 10);
3364 if (depth != 8 && depth != 15 && depth != 16 &&
3365 depth != 24 && depth != 32)
3367 } else if (*p == '\0') {
3368 depth = graphic_depth;
3375 graphic_depth = depth;
3378 case QEMU_OPTION_echr:
3381 term_escape_char = strtol(optarg, &r, 0);
3383 printf("Bad argument to echr\n");
3386 case QEMU_OPTION_monitor:
3387 default_monitor = 0;
3388 if (strncmp(optarg, "none", 4)) {
3389 monitor_parse(optarg, "readline", false);
3392 case QEMU_OPTION_qmp:
3393 monitor_parse(optarg, "control", false);
3394 default_monitor = 0;
3396 case QEMU_OPTION_qmp_pretty:
3397 monitor_parse(optarg, "control", true);
3398 default_monitor = 0;
3400 case QEMU_OPTION_mon:
3401 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3406 default_monitor = 0;
3408 case QEMU_OPTION_chardev:
3409 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3415 case QEMU_OPTION_fsdev:
3416 olist = qemu_find_opts("fsdev");
3418 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3421 opts = qemu_opts_parse_noisily(olist, optarg, true);
3426 case QEMU_OPTION_virtfs: {
3429 const char *writeout, *sock_fd, *socket;
3431 olist = qemu_find_opts("virtfs");
3433 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3436 opts = qemu_opts_parse_noisily(olist, optarg, true);
3441 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3442 qemu_opt_get(opts, "mount_tag") == NULL) {
3443 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3446 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3447 qemu_opt_get(opts, "mount_tag"),
3450 fprintf(stderr, "duplicate fsdev id: %s\n",
3451 qemu_opt_get(opts, "mount_tag"));
3455 writeout = qemu_opt_get(opts, "writeout");
3457 #ifdef CONFIG_SYNC_FILE_RANGE
3458 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3460 fprintf(stderr, "writeout=immediate not supported on "
3465 qemu_opt_set(fsdev, "fsdriver",
3466 qemu_opt_get(opts, "fsdriver"), &error_abort);
3467 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3469 qemu_opt_set(fsdev, "security_model",
3470 qemu_opt_get(opts, "security_model"),
3472 socket = qemu_opt_get(opts, "socket");
3474 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3476 sock_fd = qemu_opt_get(opts, "sock_fd");
3478 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3481 qemu_opt_set_bool(fsdev, "readonly",
3482 qemu_opt_get_bool(opts, "readonly", 0),
3484 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3486 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3487 qemu_opt_set(device, "fsdev",
3488 qemu_opt_get(opts, "mount_tag"), &error_abort);
3489 qemu_opt_set(device, "mount_tag",
3490 qemu_opt_get(opts, "mount_tag"), &error_abort);
3493 case QEMU_OPTION_virtfs_synth: {
3497 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3500 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3503 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
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", "v_synth", &error_abort);
3509 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3512 case QEMU_OPTION_serial:
3513 add_device_config(DEV_SERIAL, optarg);
3515 if (strncmp(optarg, "mon:", 4) == 0) {
3516 default_monitor = 0;
3519 case QEMU_OPTION_watchdog:
3522 "qemu: only one watchdog option may be given\n");
3527 case QEMU_OPTION_watchdog_action:
3528 if (select_watchdog_action(optarg) == -1) {
3529 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3533 case QEMU_OPTION_virtiocon:
3534 add_device_config(DEV_VIRTCON, optarg);
3535 default_virtcon = 0;
3536 if (strncmp(optarg, "mon:", 4) == 0) {
3537 default_monitor = 0;
3540 case QEMU_OPTION_parallel:
3541 add_device_config(DEV_PARALLEL, optarg);
3542 default_parallel = 0;
3543 if (strncmp(optarg, "mon:", 4) == 0) {
3544 default_monitor = 0;
3547 case QEMU_OPTION_debugcon:
3548 add_device_config(DEV_DEBUGCON, optarg);
3550 case QEMU_OPTION_loadvm:
3553 case QEMU_OPTION_full_screen:
3556 case QEMU_OPTION_no_frame:
3559 case QEMU_OPTION_alt_grab:
3562 case QEMU_OPTION_ctrl_grab:
3565 case QEMU_OPTION_no_quit:
3568 case QEMU_OPTION_sdl:
3570 display_type = DT_SDL;
3573 fprintf(stderr, "SDL support is disabled\n");
3576 case QEMU_OPTION_pidfile:
3579 case QEMU_OPTION_win2k_hack:
3580 win2k_install_hack = 1;
3582 case QEMU_OPTION_rtc_td_hack: {
3583 static GlobalProperty slew_lost_ticks[] = {
3585 .driver = "mc146818rtc",
3586 .property = "lost_tick_policy",
3589 { /* end of list */ }
3592 qdev_prop_register_global_list(slew_lost_ticks);
3595 case QEMU_OPTION_acpitable:
3596 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3601 do_acpitable_option(opts);
3603 case QEMU_OPTION_smbios:
3604 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3609 do_smbios_option(opts);
3611 case QEMU_OPTION_fwcfg:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3618 case QEMU_OPTION_enable_kvm:
3619 olist = qemu_find_opts("machine");
3620 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3623 case QEMU_OPTION_machine:
3624 olist = qemu_find_opts("machine");
3625 opts = qemu_opts_parse_noisily(olist, optarg, true);
3630 case QEMU_OPTION_no_kvm:
3631 olist = qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3634 case QEMU_OPTION_no_kvm_pit: {
3635 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3639 case QEMU_OPTION_no_kvm_pit_reinjection: {
3640 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3642 .driver = "kvm-pit",
3643 .property = "lost_tick_policy",
3646 { /* end of list */ }
3649 fprintf(stderr, "Warning: option deprecated, use "
3650 "lost_tick_policy property of kvm-pit instead.\n");
3651 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3654 case QEMU_OPTION_usb:
3655 olist = qemu_find_opts("machine");
3656 qemu_opts_parse_noisily(olist, "usb=on", false);
3658 case QEMU_OPTION_usbdevice:
3659 olist = qemu_find_opts("machine");
3660 qemu_opts_parse_noisily(olist, "usb=on", false);
3661 add_device_config(DEV_USB, optarg);
3663 case QEMU_OPTION_device:
3664 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3669 case QEMU_OPTION_smp:
3670 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3675 case QEMU_OPTION_vnc:
3678 Error *local_err = NULL;
3680 if (vnc_parse(optarg, &local_err) == NULL) {
3681 error_report_err(local_err);
3685 fprintf(stderr, "VNC support is disabled\n");
3690 case QEMU_OPTION_no_acpi:
3693 case QEMU_OPTION_no_hpet:
3696 case QEMU_OPTION_balloon:
3697 if (balloon_parse(optarg) < 0) {
3698 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3702 case QEMU_OPTION_no_reboot:
3705 case QEMU_OPTION_no_shutdown:
3708 case QEMU_OPTION_show_cursor:
3711 case QEMU_OPTION_uuid:
3712 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3713 fprintf(stderr, "Fail to parse UUID string."
3714 " Wrong format.\n");
3717 qemu_uuid_set = true;
3719 case QEMU_OPTION_option_rom:
3720 if (nb_option_roms >= MAX_OPTION_ROMS) {
3721 fprintf(stderr, "Too many option ROMs\n");
3724 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3729 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3730 option_rom[nb_option_roms].bootindex =
3731 qemu_opt_get_number(opts, "bootindex", -1);
3732 if (!option_rom[nb_option_roms].name) {
3733 fprintf(stderr, "Option ROM file is not specified\n");
3738 case QEMU_OPTION_semihosting:
3739 semihosting.enabled = true;
3740 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3742 case QEMU_OPTION_semihosting_config:
3743 semihosting.enabled = true;
3744 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3747 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3749 const char *target = qemu_opt_get(opts, "target");
3750 if (target != NULL) {
3751 if (strcmp("native", target) == 0) {
3752 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3753 } else if (strcmp("gdb", target) == 0) {
3754 semihosting.target = SEMIHOSTING_TARGET_GDB;
3755 } else if (strcmp("auto", target) == 0) {
3756 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3758 fprintf(stderr, "Unsupported semihosting-config"
3764 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3766 /* Set semihosting argument count and vector */
3767 qemu_opt_foreach(opts, add_semihosting_arg,
3768 &semihosting, NULL);
3770 fprintf(stderr, "Unsupported semihosting-config %s\n",
3775 case QEMU_OPTION_tdf:
3776 fprintf(stderr, "Warning: user space PIT time drift fix "
3777 "is no longer supported.\n");
3779 case QEMU_OPTION_name:
3780 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3786 case QEMU_OPTION_prom_env:
3787 if (nb_prom_envs >= MAX_PROM_ENVS) {
3788 fprintf(stderr, "Too many prom variables\n");
3791 prom_envs[nb_prom_envs] = optarg;
3794 case QEMU_OPTION_old_param:
3797 case QEMU_OPTION_clock:
3798 /* Clock options no longer exist. Keep this option for
3799 * backward compatibility.
3802 case QEMU_OPTION_startdate:
3803 configure_rtc_date_offset(optarg, 1);
3805 case QEMU_OPTION_rtc:
3806 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3811 configure_rtc(opts);
3813 case QEMU_OPTION_tb_size:
3814 tcg_tb_size = strtol(optarg, NULL, 0);
3815 if (tcg_tb_size < 0) {
3819 case QEMU_OPTION_icount:
3820 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3826 case QEMU_OPTION_incoming:
3828 runstate_set(RUN_STATE_INMIGRATE);
3832 case QEMU_OPTION_nodefaults:
3835 case QEMU_OPTION_xen_domid:
3836 if (!(xen_available())) {
3837 printf("Option %s not supported for this target\n", popt->name);
3840 xen_domid = atoi(optarg);
3842 case QEMU_OPTION_xen_create:
3843 if (!(xen_available())) {
3844 printf("Option %s not supported for this target\n", popt->name);
3847 xen_mode = XEN_CREATE;
3849 case QEMU_OPTION_xen_attach:
3850 if (!(xen_available())) {
3851 printf("Option %s not supported for this target\n", popt->name);
3854 xen_mode = XEN_ATTACH;
3856 case QEMU_OPTION_trace:
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3863 trace_events = qemu_opt_get(opts, "events");
3864 trace_file = qemu_opt_get(opts, "file");
3867 case QEMU_OPTION_readconfig:
3869 int ret = qemu_read_config_file(optarg);
3871 fprintf(stderr, "read config %s: %s\n", optarg,
3877 case QEMU_OPTION_spice:
3878 olist = qemu_find_opts("spice");
3880 fprintf(stderr, "spice is not supported by this qemu build.\n");
3883 opts = qemu_opts_parse_noisily(olist, optarg, false);
3889 case QEMU_OPTION_writeconfig:
3892 if (strcmp(optarg, "-") == 0) {
3895 fp = fopen(optarg, "w");
3897 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3901 qemu_config_write(fp);
3907 case QEMU_OPTION_qtest:
3908 qtest_chrdev = optarg;
3910 case QEMU_OPTION_qtest_log:
3913 case QEMU_OPTION_sandbox:
3914 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3920 case QEMU_OPTION_add_fd:
3922 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3928 error_report("File descriptor passing is disabled on this "
3933 case QEMU_OPTION_object:
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3940 case QEMU_OPTION_realtime:
3941 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3946 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3948 case QEMU_OPTION_msg:
3949 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3954 configure_msg(opts);
3956 case QEMU_OPTION_dump_vmstate:
3957 if (vmstate_dump_file) {
3958 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3959 "option may be given\n");
3962 vmstate_dump_file = fopen(optarg, "w");
3963 if (vmstate_dump_file == NULL) {
3964 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3969 os_parse_cmd_args(popt->index, optarg);
3974 opts = qemu_get_machine_opts();
3975 optarg = qemu_opt_get(opts, "type");
3977 machine_class = machine_parse(optarg);
3980 if (machine_class == NULL) {
3981 fprintf(stderr, "No machine specified, and there is no default.\n"
3982 "Use -machine help to list supported machines!\n");
3986 set_memory_options(&ram_slots, &maxram_size, machine_class);
3992 if (qemu_init_main_loop(&main_loop_err)) {
3993 error_report_err(main_loop_err);
3997 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3998 parse_sandbox, NULL, NULL)) {
4002 if (qemu_opts_foreach(qemu_find_opts("name"),
4003 parse_name, NULL, NULL)) {
4008 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4009 parse_add_fd, NULL, NULL)) {
4013 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4014 cleanup_add_fd, NULL, NULL)) {
4019 current_machine = MACHINE(object_new(object_class_get_name(
4020 OBJECT_CLASS(machine_class))));
4021 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4024 object_property_add_child(object_get_root(), "machine",
4025 OBJECT(current_machine), &error_abort);
4026 cpu_exec_init_all();
4028 if (machine_class->hw_version) {
4029 qemu_set_version(machine_class->hw_version);
4032 /* Init CPU def lists, based on config
4033 * - Must be called after all the qemu_read_config_file() calls
4034 * - Must be called before list_cpus()
4035 * - Must be called before machine->init()
4039 if (cpu_model && is_help_option(cpu_model)) {
4040 list_cpus(stdout, &fprintf, cpu_model);
4044 /* Open the logfile at this point and set the log mask if necessary.
4047 qemu_set_log_filename(log_file);
4052 mask = qemu_str_to_log_mask(log_mask);
4054 qemu_print_log_usage(stdout);
4060 if (!is_daemonized()) {
4061 if (!trace_init_backends(trace_events, trace_file)) {
4066 /* If no data_dir is specified then try to find it relative to the
4068 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4069 data_dir[data_dir_idx] = os_find_datadir();
4070 if (data_dir[data_dir_idx] != NULL) {
4074 /* If all else fails use the install path specified when building. */
4075 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4076 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4079 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4081 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4082 if (max_cpus > machine_class->max_cpus) {
4083 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4084 "supported by machine `%s' (%d)\n", max_cpus,
4085 machine_class->name, machine_class->max_cpus);
4090 * Get the default machine options from the machine if it is not already
4091 * specified either by the configuration file or by the command line.
4093 if (machine_class->default_machine_opts) {
4094 qemu_opts_set_defaults(qemu_find_opts("machine"),
4095 machine_class->default_machine_opts, 0);
4098 qemu_opts_foreach(qemu_find_opts("device"),
4099 default_driver_check, NULL, NULL);
4100 qemu_opts_foreach(qemu_find_opts("global"),
4101 default_driver_check, NULL, NULL);
4103 if (!vga_model && !default_vga) {
4104 vga_interface_type = VGA_DEVICE;
4106 if (!has_defaults || machine_class->no_serial) {
4109 if (!has_defaults || machine_class->no_parallel) {
4110 default_parallel = 0;
4112 if (!has_defaults || !machine_class->use_virtcon) {
4113 default_virtcon = 0;
4115 if (!has_defaults || !machine_class->use_sclp) {
4118 if (!has_defaults || machine_class->no_floppy) {
4121 if (!has_defaults || machine_class->no_cdrom) {
4124 if (!has_defaults || machine_class->no_sdcard) {
4127 if (!has_defaults) {
4128 default_monitor = 0;
4133 if (is_daemonized()) {
4134 /* According to documentation and historically, -nographic redirects
4135 * serial port, parallel port and monitor to stdio, which does not work
4136 * with -daemonize. We can redirect these to null instead, but since
4137 * -nographic is legacy, let's just error out.
4138 * We disallow -nographic only if all other ports are not redirected
4139 * explicitly, to not break existing legacy setups which uses
4140 * -nographic _and_ redirects all ports explicitly - this is valid
4141 * usage, -nographic is just a no-op in this case.
4143 if (display_type == DT_NOGRAPHIC
4144 && (default_parallel || default_serial
4145 || default_monitor || default_virtcon)) {
4146 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4149 #ifdef CONFIG_CURSES
4150 if (display_type == DT_CURSES) {
4151 fprintf(stderr, "curses display can not be used with -daemonize\n");
4157 if (display_type == DT_NOGRAPHIC) {
4158 if (default_parallel)
4159 add_device_config(DEV_PARALLEL, "null");
4160 if (default_serial && default_monitor) {
4161 add_device_config(DEV_SERIAL, "mon:stdio");
4162 } else if (default_virtcon && default_monitor) {
4163 add_device_config(DEV_VIRTCON, "mon:stdio");
4164 } else if (default_sclp && default_monitor) {
4165 add_device_config(DEV_SCLP, "mon:stdio");
4168 add_device_config(DEV_SERIAL, "stdio");
4169 if (default_virtcon)
4170 add_device_config(DEV_VIRTCON, "stdio");
4172 add_device_config(DEV_SCLP, "stdio");
4174 if (default_monitor)
4175 monitor_parse("stdio", "readline", false);
4179 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4180 if (default_parallel)
4181 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4182 if (default_monitor)
4183 monitor_parse("vc:80Cx24C", "readline", false);
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4187 add_device_config(DEV_SCLP, "vc:80Cx24C");
4191 #if defined(CONFIG_VNC)
4192 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4196 if (display_type == DT_DEFAULT && !display_remote) {
4197 #if defined(CONFIG_GTK)
4198 display_type = DT_GTK;
4199 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4200 display_type = DT_SDL;
4201 #elif defined(CONFIG_VNC)
4202 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4205 display_type = DT_NONE;
4209 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4210 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4211 "for SDL, ignoring option\n");
4213 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4214 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4215 "ignoring option\n");
4218 #if defined(CONFIG_GTK)
4219 if (display_type == DT_GTK) {
4220 early_gtk_display_init(request_opengl);
4223 #if defined(CONFIG_SDL)
4224 if (display_type == DT_SDL) {
4225 sdl_display_early_init(request_opengl);
4228 if (request_opengl == 1 && display_opengl == 0) {
4229 #if defined(CONFIG_OPENGL)
4230 fprintf(stderr, "OpenGL is not supported by the display.\n");
4232 fprintf(stderr, "QEMU was built without opengl support.\n");
4239 if (qemu_opts_foreach(qemu_find_opts("object"),
4241 object_create_initial, NULL)) {
4245 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4246 chardev_init_func, NULL, NULL)) {
4250 #ifdef CONFIG_VIRTFS
4251 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4252 fsdev_init_func, NULL, NULL)) {
4257 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4258 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4262 if (qemu_opts_foreach(qemu_find_opts("device"),
4263 device_help_func, NULL, NULL)) {
4267 machine_opts = qemu_get_machine_opts();
4268 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4270 object_unref(OBJECT(current_machine));
4274 configure_accelerator(current_machine);
4277 Error *local_err = NULL;
4278 qtest_init(qtest_chrdev, qtest_log, &local_err);
4280 error_report_err(local_err);
4285 machine_opts = qemu_get_machine_opts();
4286 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4287 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4288 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4289 bios_name = qemu_opt_get(machine_opts, "firmware");
4291 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4293 Error *local_err = NULL;
4295 boot_order = qemu_opt_get(opts, "order");
4297 validate_bootdevices(boot_order, &local_err);
4299 error_report_err(local_err);
4304 boot_once = qemu_opt_get(opts, "once");
4306 validate_bootdevices(boot_once, &local_err);
4308 error_report_err(local_err);
4313 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4314 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4318 boot_order = machine_class->default_boot_order;
4321 if (!kernel_cmdline) {
4322 kernel_cmdline = "";
4323 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4326 linux_boot = (kernel_filename != NULL);
4328 if (!linux_boot && *kernel_cmdline != '\0') {
4329 fprintf(stderr, "-append only allowed with -kernel option\n");
4333 if (!linux_boot && initrd_filename != NULL) {
4334 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4338 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4339 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4343 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4344 /* fall back to the -kernel/-append */
4345 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4348 os_set_line_buffering();
4351 /* spice needs the timers to be initialized by this point */
4357 if (kvm_enabled() || xen_enabled()) {
4358 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4361 configure_icount(icount_opts, &error_abort);
4362 qemu_opts_del(icount_opts);
4365 /* clean up network at qemu process termination */
4366 atexit(&net_cleanup);
4368 if (net_init_clients() < 0) {
4372 if (qemu_opts_foreach(qemu_find_opts("object"),
4374 object_create_delayed, NULL)) {
4379 if (tpm_init() < 0) {
4384 /* init the bluetooth world */
4385 if (foreach_device_config(DEV_BT, bt_parse))
4388 if (!xen_enabled()) {
4389 /* On 32-bit hosts, QEMU is limited by virtual address space */
4390 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4391 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4399 /* If the currently selected machine wishes to override the units-per-bus
4400 * property of its default HBA interface type, do so now. */
4401 if (machine_class->units_per_default_bus) {
4402 override_max_devs(machine_class->block_default_type,
4403 machine_class->units_per_default_bus);
4406 /* open the virtual block devices */
4408 qemu_opts_foreach(qemu_find_opts("drive"),
4409 drive_enable_snapshot, NULL, NULL);
4410 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4411 &machine_class->block_default_type, NULL)) {
4415 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4417 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4418 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4420 parse_numa_opts(machine_class);
4422 if (qemu_opts_foreach(qemu_find_opts("mon"),
4423 mon_init_func, NULL, NULL)) {
4427 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4429 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4431 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4433 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4436 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4439 /* If no default VGA is requested, the default is "none". */
4441 if (machine_class->default_display) {
4442 vga_model = machine_class->default_display;
4443 } else if (cirrus_vga_available()) {
4444 vga_model = "cirrus";
4445 } else if (vga_available()) {
4450 select_vgahw(vga_model);
4454 i = select_watchdog(watchdog);
4456 exit (i == 1 ? 1 : 0);
4459 if (machine_class->compat_props) {
4460 qdev_prop_register_global_list(machine_class->compat_props);
4464 qdev_machine_init();
4466 current_machine->ram_size = ram_size;
4467 current_machine->maxram_size = maxram_size;
4468 current_machine->ram_slots = ram_slots;
4469 current_machine->boot_order = boot_order;
4470 current_machine->cpu_model = cpu_model;
4472 machine_class->init(current_machine);
4478 cpu_synchronize_all_post_init();
4480 numa_post_machine_init();
4482 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4483 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4487 /* init USB devices */
4488 if (usb_enabled()) {
4489 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4493 /* Check if IGD GFX passthrough. */
4496 /* init generic devices */
4497 if (qemu_opts_foreach(qemu_find_opts("device"),
4498 device_init_func, NULL, NULL)) {
4502 /* Did we create any drives that we failed to create a device for? */
4503 drive_check_orphaned();
4505 net_check_clients();
4508 Error *local_err = NULL;
4509 qemu_boot_set(boot_once, &local_err);
4511 error_report("%s", error_get_pretty(local_err));
4514 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4517 ds = init_displaystate();
4519 /* init local displays */
4520 switch (display_type) {
4522 (void)ds; /* avoid warning if no display is configured */
4524 #if defined(CONFIG_CURSES)
4526 curses_display_init(ds, full_screen);
4529 #if defined(CONFIG_SDL)
4531 sdl_display_init(ds, full_screen, no_frame);
4533 #elif defined(CONFIG_COCOA)
4535 cocoa_display_init(ds, full_screen);
4538 #if defined(CONFIG_GTK)
4540 gtk_display_init(ds, full_screen, grab_on_hover);
4547 /* must be after terminal init, SDL library changes signal handlers */
4548 os_setup_signal_handling();
4551 /* init remote displays */
4552 qemu_opts_foreach(qemu_find_opts("vnc"),
4553 vnc_init_func, NULL, NULL);
4554 if (show_vnc_port) {
4555 char *ret = vnc_display_local_addr("default");
4556 printf("VNC server running on `%s'\n", ret);
4562 qemu_spice_display_init();
4566 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4570 qdev_machine_creation_done();
4572 /* TODO: once all bus devices are qdevified, this should be done
4573 * when bus is created by qdev.c */
4574 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4575 qemu_run_machine_init_done_notifiers();
4577 if (rom_check_and_register_reset() != 0) {
4578 fprintf(stderr, "rom check and register reset failed\n");
4582 qemu_system_reset(VMRESET_SILENT);
4583 register_global_state();
4585 if (load_vmstate(loadvm) < 0) {
4590 qdev_prop_check_globals();
4591 if (vmstate_dump_file) {
4593 dump_vmstate_json_to_file(vmstate_dump_file);
4598 Error *local_err = NULL;
4599 qemu_start_incoming_migration(incoming, &local_err);
4601 error_report("-incoming %s: %s", incoming,
4602 error_get_pretty(local_err));
4603 error_free(local_err);
4606 } else if (autostart) {
4612 if (is_daemonized()) {
4613 if (!trace_init_backends(trace_events, trace_file)) {