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", 0);
1229 smp_cores = cores > 0 ? cores : 1;
1230 smp_threads = threads > 0 ? threads : 1;
1234 if (max_cpus == 0) {
1235 max_cpus = smp_cpus;
1238 if (max_cpus > MAX_CPUMASK_BITS) {
1239 fprintf(stderr, "Unsupported number of maxcpus\n");
1242 if (max_cpus < smp_cpus) {
1243 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1249 static void realtime_init(void)
1252 if (os_mlock() < 0) {
1253 fprintf(stderr, "qemu: locking memory failed\n");
1260 static void configure_msg(QemuOpts *opts)
1262 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1265 /***********************************************************/
1268 typedef struct SemihostingConfig {
1270 SemihostingTarget target;
1273 const char *cmdline; /* concatenated argv */
1274 } SemihostingConfig;
1276 static SemihostingConfig semihosting;
1278 bool semihosting_enabled(void)
1280 return semihosting.enabled;
1283 SemihostingTarget semihosting_get_target(void)
1285 return semihosting.target;
1288 const char *semihosting_get_arg(int i)
1290 if (i >= semihosting.argc) {
1293 return semihosting.argv[i];
1296 int semihosting_get_argc(void)
1298 return semihosting.argc;
1301 const char *semihosting_get_cmdline(void)
1303 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1304 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 return semihosting.cmdline;
1309 static int add_semihosting_arg(void *opaque,
1310 const char *name, const char *val,
1313 SemihostingConfig *s = opaque;
1314 if (strcmp(name, "arg") == 0) {
1316 /* one extra element as g_strjoinv() expects NULL-terminated array */
1317 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1318 s->argv[s->argc - 1] = val;
1319 s->argv[s->argc] = NULL;
1324 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1325 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1330 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332 /* split -append and initialize argv[1..n] */
1333 cmd_token = strtok(g_strdup(cmd), " ");
1335 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1336 cmd_token = strtok(NULL, " ");
1340 /* Now we still need this for compatibility with XEN. */
1341 bool has_igd_gfx_passthru;
1342 static void igd_gfx_passthru(void)
1344 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1347 /***********************************************************/
1350 static int usb_device_add(const char *devname)
1352 USBDevice *dev = NULL;
1353 #ifndef CONFIG_LINUX
1357 if (!usb_enabled()) {
1361 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1362 dev = usbdevice_create(devname);
1366 /* the other ones */
1367 #ifndef CONFIG_LINUX
1368 /* only the linux version is qdev-ified, usb-bsd still needs this */
1369 if (strstart(devname, "host:", &p)) {
1370 dev = usb_host_device_open(usb_bus_find(-1), p);
1380 static int usb_device_del(const char *devname)
1385 if (strstart(devname, "host:", &p)) {
1389 if (!usb_enabled()) {
1393 p = strchr(devname, '.');
1396 bus_num = strtoul(devname, NULL, 0);
1397 addr = strtoul(p + 1, NULL, 0);
1399 return usb_device_delete_addr(bus_num, addr);
1402 static int usb_parse(const char *cmdline)
1405 r = usb_device_add(cmdline);
1407 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1412 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1414 const char *devname = qdict_get_str(qdict, "devname");
1415 if (usb_device_add(devname) < 0) {
1416 error_report("could not add USB device '%s'", devname);
1420 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1422 const char *devname = qdict_get_str(qdict, "devname");
1423 if (usb_device_del(devname) < 0) {
1424 error_report("could not delete USB device '%s'", devname);
1428 /***********************************************************/
1429 /* machine registration */
1431 MachineState *current_machine;
1433 static MachineClass *find_machine(const char *name)
1435 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1436 MachineClass *mc = NULL;
1438 for (el = machines; el; el = el->next) {
1439 MachineClass *temp = el->data;
1441 if (!strcmp(temp->name, name)) {
1446 !strcmp(temp->alias, name)) {
1452 g_slist_free(machines);
1456 MachineClass *find_default_machine(void)
1458 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1459 MachineClass *mc = NULL;
1461 for (el = machines; el; el = el->next) {
1462 MachineClass *temp = el->data;
1464 if (temp->is_default) {
1470 g_slist_free(machines);
1474 MachineInfoList *qmp_query_machines(Error **errp)
1476 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1477 MachineInfoList *mach_list = NULL;
1479 for (el = machines; el; el = el->next) {
1480 MachineClass *mc = el->data;
1481 MachineInfoList *entry;
1484 info = g_malloc0(sizeof(*info));
1485 if (mc->is_default) {
1486 info->has_is_default = true;
1487 info->is_default = true;
1491 info->has_alias = true;
1492 info->alias = g_strdup(mc->alias);
1495 info->name = g_strdup(mc->name);
1496 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1498 entry = g_malloc0(sizeof(*entry));
1499 entry->value = info;
1500 entry->next = mach_list;
1504 g_slist_free(machines);
1508 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1510 ObjectProperty *prop;
1512 if (!qemu_opt_has_help_opt(opts)) {
1516 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1521 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1522 prop->name, prop->type);
1523 if (prop->description) {
1524 error_printf(" (%s)\n", prop->description);
1533 /***********************************************************/
1534 /* main execution loop */
1536 struct vm_change_state_entry {
1537 VMChangeStateHandler *cb;
1539 QLIST_ENTRY (vm_change_state_entry) entries;
1542 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1544 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1547 VMChangeStateEntry *e;
1549 e = g_malloc0(sizeof (*e));
1553 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1557 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1559 QLIST_REMOVE (e, entries);
1563 void vm_state_notify(int running, RunState state)
1565 VMChangeStateEntry *e, *next;
1567 trace_vm_state_notify(running, state);
1569 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1570 e->cb(e->opaque, running, state);
1574 /* reset/shutdown handler */
1576 typedef struct QEMUResetEntry {
1577 QTAILQ_ENTRY(QEMUResetEntry) entry;
1578 QEMUResetHandler *func;
1582 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1583 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1584 static int reset_requested;
1585 static int shutdown_requested, shutdown_signal = -1;
1586 static pid_t shutdown_pid;
1587 static int powerdown_requested;
1588 static int debug_requested;
1589 static int suspend_requested;
1590 static WakeupReason wakeup_reason;
1591 static NotifierList powerdown_notifiers =
1592 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1593 static NotifierList suspend_notifiers =
1594 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1595 static NotifierList wakeup_notifiers =
1596 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1597 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1599 int qemu_shutdown_requested_get(void)
1601 return shutdown_requested;
1604 int qemu_reset_requested_get(void)
1606 return reset_requested;
1609 static int qemu_shutdown_requested(void)
1611 return atomic_xchg(&shutdown_requested, 0);
1614 static void qemu_kill_report(void)
1616 if (!qtest_driver() && shutdown_signal != -1) {
1617 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1618 if (shutdown_pid == 0) {
1619 /* This happens for eg ^C at the terminal, so it's worth
1620 * avoiding printing an odd message in that case.
1622 fputc('\n', stderr);
1624 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1626 shutdown_signal = -1;
1630 static int qemu_reset_requested(void)
1632 int r = reset_requested;
1633 reset_requested = 0;
1637 static int qemu_suspend_requested(void)
1639 int r = suspend_requested;
1640 suspend_requested = 0;
1644 static WakeupReason qemu_wakeup_requested(void)
1646 return wakeup_reason;
1649 static int qemu_powerdown_requested(void)
1651 int r = powerdown_requested;
1652 powerdown_requested = 0;
1656 static int qemu_debug_requested(void)
1658 int r = debug_requested;
1659 debug_requested = 0;
1663 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1665 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1668 re->opaque = opaque;
1669 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1672 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1676 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1677 if (re->func == func && re->opaque == opaque) {
1678 QTAILQ_REMOVE(&reset_handlers, re, entry);
1685 void qemu_devices_reset(void)
1687 QEMUResetEntry *re, *nre;
1689 /* reset all devices */
1690 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1691 re->func(re->opaque);
1695 void qemu_system_reset(bool report)
1699 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1701 if (mc && mc->reset) {
1704 qemu_devices_reset();
1707 qapi_event_send_reset(&error_abort);
1709 cpu_synchronize_all_post_reset();
1712 void qemu_system_guest_panicked(void)
1715 current_cpu->crash_occurred = true;
1717 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1718 vm_stop(RUN_STATE_GUEST_PANICKED);
1721 void qemu_system_reset_request(void)
1724 shutdown_requested = 1;
1726 reset_requested = 1;
1729 qemu_notify_event();
1732 static void qemu_system_suspend(void)
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend(&error_abort);
1740 void qemu_system_suspend_request(void)
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 suspend_requested = 1;
1747 qemu_notify_event();
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1752 notifier_list_add(&suspend_notifiers, notifier);
1755 void qemu_system_wakeup_request(WakeupReason reason)
1757 trace_system_wakeup_request(reason);
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1762 if (!(wakeup_reason_mask & (1 << reason))) {
1765 runstate_set(RUN_STATE_RUNNING);
1766 wakeup_reason = reason;
1767 qemu_notify_event();
1770 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 wakeup_reason_mask |= (1 << reason);
1775 wakeup_reason_mask &= ~(1 << reason);
1779 void qemu_register_wakeup_notifier(Notifier *notifier)
1781 notifier_list_add(&wakeup_notifiers, notifier);
1784 void qemu_system_killed(int signal, pid_t pid)
1786 shutdown_signal = signal;
1789 qemu_system_shutdown_request();
1792 void qemu_system_shutdown_request(void)
1794 trace_qemu_system_shutdown_request();
1795 shutdown_requested = 1;
1796 qemu_notify_event();
1799 static void qemu_system_powerdown(void)
1801 qapi_event_send_powerdown(&error_abort);
1802 notifier_list_notify(&powerdown_notifiers, NULL);
1805 void qemu_system_powerdown_request(void)
1807 trace_qemu_system_powerdown_request();
1808 powerdown_requested = 1;
1809 qemu_notify_event();
1812 void qemu_register_powerdown_notifier(Notifier *notifier)
1814 notifier_list_add(&powerdown_notifiers, notifier);
1817 void qemu_system_debug_request(void)
1819 debug_requested = 1;
1820 qemu_notify_event();
1823 static bool main_loop_should_exit(void)
1826 if (qemu_debug_requested()) {
1827 vm_stop(RUN_STATE_DEBUG);
1829 if (qemu_suspend_requested()) {
1830 qemu_system_suspend();
1832 if (qemu_shutdown_requested()) {
1834 qapi_event_send_shutdown(&error_abort);
1836 vm_stop(RUN_STATE_SHUTDOWN);
1841 if (qemu_reset_requested()) {
1843 cpu_synchronize_all_states();
1844 qemu_system_reset(VMRESET_REPORT);
1846 if (runstate_needs_reset()) {
1847 runstate_set(RUN_STATE_PAUSED);
1850 if (qemu_wakeup_requested()) {
1852 cpu_synchronize_all_states();
1853 qemu_system_reset(VMRESET_SILENT);
1854 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1855 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1857 qapi_event_send_wakeup(&error_abort);
1859 if (qemu_powerdown_requested()) {
1860 qemu_system_powerdown();
1862 if (qemu_vmstop_requested(&r)) {
1868 static void main_loop(void)
1872 #ifdef CONFIG_PROFILER
1876 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1877 #ifdef CONFIG_PROFILER
1878 ti = profile_getclock();
1880 last_io = main_loop_wait(nonblocking);
1881 #ifdef CONFIG_PROFILER
1882 dev_time += profile_getclock() - ti;
1884 } while (!main_loop_should_exit());
1887 static void version(void)
1889 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1892 static void help(int exitcode)
1895 printf("usage: %s [options] [disk_image]\n\n"
1896 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1897 error_get_progname());
1899 #define QEMU_OPTIONS_GENERATE_HELP
1900 #include "qemu-options-wrapper.h"
1902 printf("\nDuring emulation, the following keys are useful:\n"
1903 "ctrl-alt-f toggle full screen\n"
1904 "ctrl-alt-n switch to virtual console 'n'\n"
1905 "ctrl-alt toggle mouse and keyboard grab\n"
1907 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1912 #define HAS_ARG 0x0001
1914 typedef struct QEMUOption {
1921 static const QEMUOption qemu_options[] = {
1922 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1923 #define QEMU_OPTIONS_GENERATE_OPTIONS
1924 #include "qemu-options-wrapper.h"
1928 static bool vga_available(void)
1930 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1933 static bool cirrus_vga_available(void)
1935 return object_class_by_name("cirrus-vga")
1936 || object_class_by_name("isa-cirrus-vga");
1939 static bool vmware_vga_available(void)
1941 return object_class_by_name("vmware-svga");
1944 static bool qxl_vga_available(void)
1946 return object_class_by_name("qxl-vga");
1949 static bool tcx_vga_available(void)
1951 return object_class_by_name("SUNW,tcx");
1954 static bool cg3_vga_available(void)
1956 return object_class_by_name("cgthree");
1959 static bool virtio_vga_available(void)
1961 return object_class_by_name("virtio-vga");
1964 static void select_vgahw (const char *p)
1968 assert(vga_interface_type == VGA_NONE);
1969 if (strstart(p, "std", &opts)) {
1970 if (vga_available()) {
1971 vga_interface_type = VGA_STD;
1973 fprintf(stderr, "Error: standard VGA not available\n");
1976 } else if (strstart(p, "cirrus", &opts)) {
1977 if (cirrus_vga_available()) {
1978 vga_interface_type = VGA_CIRRUS;
1980 fprintf(stderr, "Error: Cirrus VGA not available\n");
1983 } else if (strstart(p, "vmware", &opts)) {
1984 if (vmware_vga_available()) {
1985 vga_interface_type = VGA_VMWARE;
1987 fprintf(stderr, "Error: VMWare SVGA not available\n");
1990 } else if (strstart(p, "virtio", &opts)) {
1991 if (virtio_vga_available()) {
1992 vga_interface_type = VGA_VIRTIO;
1994 fprintf(stderr, "Error: Virtio VGA not available\n");
1997 } else if (strstart(p, "xenfb", &opts)) {
1998 vga_interface_type = VGA_XENFB;
1999 } else if (strstart(p, "qxl", &opts)) {
2000 if (qxl_vga_available()) {
2001 vga_interface_type = VGA_QXL;
2003 fprintf(stderr, "Error: QXL VGA not available\n");
2006 } else if (strstart(p, "tcx", &opts)) {
2007 if (tcx_vga_available()) {
2008 vga_interface_type = VGA_TCX;
2010 fprintf(stderr, "Error: TCX framebuffer not available\n");
2013 } else if (strstart(p, "cg3", &opts)) {
2014 if (cg3_vga_available()) {
2015 vga_interface_type = VGA_CG3;
2017 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2020 } else if (!strstart(p, "none", &opts)) {
2022 fprintf(stderr, "Unknown vga type: %s\n", p);
2026 const char *nextopt;
2028 if (strstart(opts, ",retrace=", &nextopt)) {
2030 if (strstart(opts, "dumb", &nextopt))
2031 vga_retrace_method = VGA_RETRACE_DUMB;
2032 else if (strstart(opts, "precise", &nextopt))
2033 vga_retrace_method = VGA_RETRACE_PRECISE;
2034 else goto invalid_vga;
2035 } else goto invalid_vga;
2040 static DisplayType select_display(const char *p)
2043 DisplayType display = DT_DEFAULT;
2045 if (strstart(p, "sdl", &opts)) {
2049 const char *nextopt;
2051 if (strstart(opts, ",frame=", &nextopt)) {
2053 if (strstart(opts, "on", &nextopt)) {
2055 } else if (strstart(opts, "off", &nextopt)) {
2058 goto invalid_sdl_args;
2060 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2062 if (strstart(opts, "on", &nextopt)) {
2064 } else if (strstart(opts, "off", &nextopt)) {
2067 goto invalid_sdl_args;
2069 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2071 if (strstart(opts, "on", &nextopt)) {
2073 } else if (strstart(opts, "off", &nextopt)) {
2076 goto invalid_sdl_args;
2078 } else if (strstart(opts, ",window_close=", &nextopt)) {
2080 if (strstart(opts, "on", &nextopt)) {
2082 } else if (strstart(opts, "off", &nextopt)) {
2085 goto invalid_sdl_args;
2087 } else if (strstart(opts, ",gl=", &nextopt)) {
2089 if (strstart(opts, "on", &nextopt)) {
2091 } else if (strstart(opts, "off", &nextopt)) {
2094 goto invalid_sdl_args;
2098 error_report("Invalid SDL option string");
2104 error_report("SDL support is disabled");
2107 } else if (strstart(p, "vnc", &opts)) {
2111 if (vnc_parse(opts + 1, &err) == NULL) {
2112 error_report_err(err);
2116 error_report("VNC requires a display argument vnc=<display>");
2120 error_report("VNC support is disabled");
2123 } else if (strstart(p, "curses", &opts)) {
2124 #ifdef CONFIG_CURSES
2125 display = DT_CURSES;
2127 error_report("Curses support is disabled");
2130 } else if (strstart(p, "gtk", &opts)) {
2134 const char *nextopt;
2136 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2138 if (strstart(opts, "on", &nextopt)) {
2139 grab_on_hover = true;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 grab_on_hover = false;
2143 goto invalid_gtk_args;
2145 } else if (strstart(opts, ",gl=", &nextopt)) {
2147 if (strstart(opts, "on", &nextopt)) {
2149 } else if (strstart(opts, "off", &nextopt)) {
2152 goto invalid_gtk_args;
2156 error_report("Invalid GTK option string");
2162 error_report("GTK support is disabled");
2165 } else if (strstart(p, "none", &opts)) {
2168 error_report("Unknown display type");
2175 static int balloon_parse(const char *arg)
2179 if (strcmp(arg, "none") == 0) {
2183 if (!strncmp(arg, "virtio", 6)) {
2184 if (arg[6] == ',') {
2185 /* have params -> parse them */
2186 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2191 /* create empty opts */
2192 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2195 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2202 char *qemu_find_file(int type, const char *name)
2208 /* Try the name as a straight path first */
2209 if (access(name, R_OK) == 0) {
2210 trace_load_file(name, name);
2211 return g_strdup(name);
2215 case QEMU_FILE_TYPE_BIOS:
2218 case QEMU_FILE_TYPE_KEYMAP:
2219 subdir = "keymaps/";
2225 for (i = 0; i < data_dir_idx; i++) {
2226 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2227 if (access(buf, R_OK) == 0) {
2228 trace_load_file(name, buf);
2236 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2240 const char *name, *file;
2242 if (opaque == NULL) {
2243 error_report("fw_cfg device not available");
2246 name = qemu_opt_get(opts, "name");
2247 file = qemu_opt_get(opts, "file");
2248 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2249 error_report("invalid argument value");
2252 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2253 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2256 if (strncmp(name, "opt/", 4) != 0) {
2257 error_report("WARNING: externally provided fw_cfg item names "
2258 "should be prefixed with \"opt/\"!");
2260 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2261 error_report("can't load %s", file);
2264 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2268 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2270 return qdev_device_help(opts);
2273 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2278 dev = qdev_device_add(opts, &err);
2280 error_report_err(err);
2283 object_unref(OBJECT(dev));
2287 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2289 Error *local_err = NULL;
2291 qemu_chr_new_from_opts(opts, NULL, &local_err);
2293 error_report_err(local_err);
2299 #ifdef CONFIG_VIRTFS
2300 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 ret = qemu_fsdev_add(opts);
2309 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2311 CharDriverState *chr;
2312 const char *chardev;
2316 mode = qemu_opt_get(opts, "mode");
2320 if (strcmp(mode, "readline") == 0) {
2321 flags = MONITOR_USE_READLINE;
2322 } else if (strcmp(mode, "control") == 0) {
2323 flags = MONITOR_USE_CONTROL;
2325 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2329 if (qemu_opt_get_bool(opts, "pretty", 0))
2330 flags |= MONITOR_USE_PRETTY;
2332 if (qemu_opt_get_bool(opts, "default", 0))
2333 flags |= MONITOR_IS_DEFAULT;
2335 chardev = qemu_opt_get(opts, "chardev");
2336 chr = qemu_chr_find(chardev);
2338 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2342 qemu_chr_fe_claim_no_fail(chr);
2343 monitor_init(chr, flags);
2347 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2349 static int monitor_device_index = 0;
2350 Error *local_err = NULL;
2356 if (strstart(optarg, "chardev:", &p)) {
2357 snprintf(label, sizeof(label), "%s", p);
2359 snprintf(label, sizeof(label), "compat_monitor%d",
2360 monitor_device_index);
2361 if (monitor_device_index == 0) {
2364 opts = qemu_chr_parse_compat(label, optarg);
2366 fprintf(stderr, "parse error: %s\n", optarg);
2371 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2373 error_report_err(local_err);
2376 qemu_opt_set(opts, "mode", mode, &error_abort);
2377 qemu_opt_set(opts, "chardev", label, &error_abort);
2378 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2380 qemu_opt_set(opts, "default", "on", &error_abort);
2381 monitor_device_index++;
2384 struct device_config {
2386 DEV_USB, /* -usbdevice */
2388 DEV_SERIAL, /* -serial */
2389 DEV_PARALLEL, /* -parallel */
2390 DEV_VIRTCON, /* -virtioconsole */
2391 DEV_DEBUGCON, /* -debugcon */
2392 DEV_GDB, /* -gdb, -s */
2393 DEV_SCLP, /* s390 sclp */
2395 const char *cmdline;
2397 QTAILQ_ENTRY(device_config) next;
2400 static QTAILQ_HEAD(, device_config) device_configs =
2401 QTAILQ_HEAD_INITIALIZER(device_configs);
2403 static void add_device_config(int type, const char *cmdline)
2405 struct device_config *conf;
2407 conf = g_malloc0(sizeof(*conf));
2409 conf->cmdline = cmdline;
2410 loc_save(&conf->loc);
2411 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2414 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2416 struct device_config *conf;
2419 QTAILQ_FOREACH(conf, &device_configs, next) {
2420 if (conf->type != type)
2422 loc_push_restore(&conf->loc);
2423 rc = func(conf->cmdline);
2424 loc_pop(&conf->loc);
2432 static int serial_parse(const char *devname)
2434 static int index = 0;
2437 if (strcmp(devname, "none") == 0)
2439 if (index == MAX_SERIAL_PORTS) {
2440 fprintf(stderr, "qemu: too many serial ports\n");
2443 snprintf(label, sizeof(label), "serial%d", index);
2444 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2445 if (!serial_hds[index]) {
2446 fprintf(stderr, "qemu: could not connect serial device"
2447 " to character backend '%s'\n", devname);
2454 static int parallel_parse(const char *devname)
2456 static int index = 0;
2459 if (strcmp(devname, "none") == 0)
2461 if (index == MAX_PARALLEL_PORTS) {
2462 fprintf(stderr, "qemu: too many parallel ports\n");
2465 snprintf(label, sizeof(label), "parallel%d", index);
2466 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!parallel_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect parallel device"
2469 " to character backend '%s'\n", devname);
2476 static int virtcon_parse(const char *devname)
2478 QemuOptsList *device = qemu_find_opts("device");
2479 static int index = 0;
2481 QemuOpts *bus_opts, *dev_opts;
2483 if (strcmp(devname, "none") == 0)
2485 if (index == MAX_VIRTIO_CONSOLES) {
2486 fprintf(stderr, "qemu: too many virtio consoles\n");
2490 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2491 if (arch_type == QEMU_ARCH_S390X) {
2492 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2494 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2497 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2498 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2500 snprintf(label, sizeof(label), "virtcon%d", index);
2501 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!virtcon_hds[index]) {
2503 fprintf(stderr, "qemu: could not connect virtio console"
2504 " to character backend '%s'\n", devname);
2507 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2513 static int sclp_parse(const char *devname)
2515 QemuOptsList *device = qemu_find_opts("device");
2516 static int index = 0;
2520 if (strcmp(devname, "none") == 0) {
2523 if (index == MAX_SCLP_CONSOLES) {
2524 fprintf(stderr, "qemu: too many sclp consoles\n");
2528 assert(arch_type == QEMU_ARCH_S390X);
2530 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2531 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2533 snprintf(label, sizeof(label), "sclpcon%d", index);
2534 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!sclp_hds[index]) {
2536 fprintf(stderr, "qemu: could not connect sclp console"
2537 " to character backend '%s'\n", devname);
2540 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2546 static int debugcon_parse(const char *devname)
2550 if (!qemu_chr_new("debugcon", devname, NULL)) {
2553 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2555 fprintf(stderr, "qemu: already have a debugcon device\n");
2558 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2559 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2563 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2565 const MachineClass *mc1 = a, *mc2 = b;
2568 if (mc1->family == NULL) {
2569 if (mc2->family == NULL) {
2570 /* Compare standalone machine types against each other; they sort
2571 * in increasing order.
2573 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2574 object_class_get_name(OBJECT_CLASS(mc2)));
2577 /* Standalone machine types sort after families. */
2581 if (mc2->family == NULL) {
2582 /* Families sort before standalone machine types. */
2586 /* Families sort between each other alphabetically increasingly. */
2587 res = strcmp(mc1->family, mc2->family);
2592 /* Within the same family, machine types sort in decreasing order. */
2593 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2594 object_class_get_name(OBJECT_CLASS(mc1)));
2597 static MachineClass *machine_parse(const char *name)
2599 MachineClass *mc = NULL;
2600 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2603 mc = find_machine(name);
2606 g_slist_free(machines);
2609 if (name && !is_help_option(name)) {
2610 error_report("Unsupported machine type");
2611 error_printf("Use -machine help to list supported machines!\n");
2613 printf("Supported machines are:\n");
2614 machines = g_slist_sort(machines, machine_class_cmp);
2615 for (el = machines; el; el = el->next) {
2616 MachineClass *mc = el->data;
2618 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2620 printf("%-20s %s%s\n", mc->name, mc->desc,
2621 mc->is_default ? " (default)" : "");
2625 g_slist_free(machines);
2626 exit(!name || !is_help_option(name));
2629 void qemu_add_exit_notifier(Notifier *notify)
2631 notifier_list_add(&exit_notifiers, notify);
2634 void qemu_remove_exit_notifier(Notifier *notify)
2636 notifier_remove(notify);
2639 static void qemu_run_exit_notifiers(void)
2641 notifier_list_notify(&exit_notifiers, NULL);
2644 static bool machine_init_done;
2646 void qemu_add_machine_init_done_notifier(Notifier *notify)
2648 notifier_list_add(&machine_init_done_notifiers, notify);
2649 if (machine_init_done) {
2650 notify->notify(notify, NULL);
2654 static void qemu_run_machine_init_done_notifiers(void)
2656 notifier_list_notify(&machine_init_done_notifiers, NULL);
2657 machine_init_done = true;
2660 static const QEMUOption *lookup_opt(int argc, char **argv,
2661 const char **poptarg, int *poptind)
2663 const QEMUOption *popt;
2664 int optind = *poptind;
2665 char *r = argv[optind];
2668 loc_set_cmdline(argv, optind, 1);
2670 /* Treat --foo the same as -foo. */
2673 popt = qemu_options;
2676 error_report("invalid option");
2679 if (!strcmp(popt->name, r + 1))
2683 if (popt->flags & HAS_ARG) {
2684 if (optind >= argc) {
2685 error_report("requires an argument");
2688 optarg = argv[optind++];
2689 loc_set_cmdline(argv, optind - 2, 2);
2700 static gpointer malloc_and_trace(gsize n_bytes)
2702 void *ptr = malloc(n_bytes);
2703 trace_g_malloc(n_bytes, ptr);
2707 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2709 void *ptr = realloc(mem, n_bytes);
2710 trace_g_realloc(mem, n_bytes, ptr);
2714 static void free_and_trace(gpointer mem)
2720 static int machine_set_property(void *opaque,
2721 const char *name, const char *value,
2724 Object *obj = OBJECT(opaque);
2725 Error *local_err = NULL;
2728 if (strcmp(name, "type") == 0) {
2732 qom_name = g_strdup(name);
2740 object_property_parse(obj, value, qom_name, &local_err);
2744 error_report_err(local_err);
2753 * Initial object creation happens before all other
2754 * QEMU data types are created. The majority of objects
2755 * can be created at this point. The rng-egd object
2756 * cannot be created here, as it depends on the chardev
2759 static bool object_create_initial(const char *type)
2761 if (g_str_equal(type, "rng-egd")) {
2769 * The remainder of object creation happens after the
2770 * creation of chardev, fsdev and device data types.
2772 static bool object_create_delayed(const char *type)
2774 return !object_create_initial(type);
2778 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2786 bool (*type_predicate)(const char *) = opaque;
2788 ov = opts_visitor_new(opts);
2789 pdict = qemu_opts_to_qdict(opts, NULL);
2791 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2796 qdict_del(pdict, "qom-type");
2797 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2801 if (!type_predicate(type)) {
2805 qdict_del(pdict, "id");
2806 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2811 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2815 visit_end_struct(opts_get_visitor(ov), &err);
2817 qmp_object_del(id, NULL);
2821 opts_visitor_cleanup(ov);
2828 error_report_err(err);
2834 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2838 const char *mem_str;
2839 const char *maxmem_str, *slots_str;
2840 const ram_addr_t default_ram_size = mc->default_ram_size;
2841 QemuOpts *opts = qemu_find_opts_singleton("memory");
2844 mem_str = qemu_opt_get(opts, "size");
2847 error_report("missing 'size' option value");
2851 sz = qemu_opt_get_size(opts, "size", ram_size);
2853 /* Fix up legacy suffix-less format */
2854 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2855 uint64_t overflow_check = sz;
2858 if ((sz >> 20) != overflow_check) {
2859 error_report("too large 'size' option value");
2865 /* backward compatibility behaviour for case "-m 0" */
2867 sz = default_ram_size;
2870 sz = QEMU_ALIGN_UP(sz, 8192);
2872 if (ram_size != sz) {
2873 error_report("ram size too large");
2877 /* store value for the future use */
2878 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2879 *maxram_size = ram_size;
2881 maxmem_str = qemu_opt_get(opts, "maxmem");
2882 slots_str = qemu_opt_get(opts, "slots");
2883 if (maxmem_str && slots_str) {
2886 sz = qemu_opt_get_size(opts, "maxmem", 0);
2887 slots = qemu_opt_get_number(opts, "slots", 0);
2888 if (sz < ram_size) {
2889 error_report("invalid value of -m option maxmem: "
2890 "maximum memory size (0x%" PRIx64 ") must be at least "
2891 "the initial memory size (0x" RAM_ADDR_FMT ")",
2894 } else if (sz > ram_size) {
2896 error_report("invalid value of -m option: maxmem was "
2897 "specified, but no hotplug slots were specified");
2901 error_report("invalid value of -m option maxmem: "
2902 "memory slots were specified but maximum memory size "
2903 "(0x%" PRIx64 ") is equal to the initial memory size "
2904 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2910 } else if ((!maxmem_str && slots_str) ||
2911 (maxmem_str && !slots_str)) {
2912 error_report("invalid -m option value: missing "
2913 "'%s' option", slots_str ? "maxmem" : "slots");
2918 int main(int argc, char **argv, char **envp)
2921 int snapshot, linux_boot;
2922 const char *initrd_filename;
2923 const char *kernel_filename, *kernel_cmdline;
2924 const char *boot_order = NULL;
2925 const char *boot_once = NULL;
2927 int cyls, heads, secs, translation;
2928 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2929 QemuOptsList *olist;
2932 const char *loadvm = NULL;
2933 MachineClass *machine_class;
2934 const char *cpu_model;
2935 const char *vga_model = NULL;
2936 const char *qtest_chrdev = NULL;
2937 const char *qtest_log = NULL;
2938 const char *pid_file = NULL;
2939 const char *incoming = NULL;
2941 int show_vnc_port = 0;
2943 bool defconfig = true;
2944 bool userconfig = true;
2945 const char *log_mask = NULL;
2946 const char *log_file = NULL;
2947 GMemVTable mem_trace = {
2948 .malloc = malloc_and_trace,
2949 .realloc = realloc_and_trace,
2950 .free = free_and_trace,
2952 const char *trace_events = NULL;
2953 const char *trace_file = NULL;
2954 ram_addr_t maxram_size;
2955 uint64_t ram_slots = 0;
2956 FILE *vmstate_dump_file = NULL;
2957 Error *main_loop_err = NULL;
2960 qemu_init_cpu_loop();
2961 qemu_mutex_lock_iothread();
2963 atexit(qemu_run_exit_notifiers);
2964 error_set_progname(argv[0]);
2965 qemu_init_exec_dir(argv[0]);
2967 g_mem_set_vtable(&mem_trace);
2969 module_call_init(MODULE_INIT_QOM);
2971 qemu_add_opts(&qemu_drive_opts);
2972 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2973 qemu_add_drive_opts(&qemu_common_drive_opts);
2974 qemu_add_drive_opts(&qemu_drive_opts);
2975 qemu_add_opts(&qemu_chardev_opts);
2976 qemu_add_opts(&qemu_device_opts);
2977 qemu_add_opts(&qemu_netdev_opts);
2978 qemu_add_opts(&qemu_net_opts);
2979 qemu_add_opts(&qemu_rtc_opts);
2980 qemu_add_opts(&qemu_global_opts);
2981 qemu_add_opts(&qemu_mon_opts);
2982 qemu_add_opts(&qemu_trace_opts);
2983 qemu_add_opts(&qemu_option_rom_opts);
2984 qemu_add_opts(&qemu_machine_opts);
2985 qemu_add_opts(&qemu_mem_opts);
2986 qemu_add_opts(&qemu_smp_opts);
2987 qemu_add_opts(&qemu_boot_opts);
2988 qemu_add_opts(&qemu_sandbox_opts);
2989 qemu_add_opts(&qemu_add_fd_opts);
2990 qemu_add_opts(&qemu_object_opts);
2991 qemu_add_opts(&qemu_tpmdev_opts);
2992 qemu_add_opts(&qemu_realtime_opts);
2993 qemu_add_opts(&qemu_msg_opts);
2994 qemu_add_opts(&qemu_name_opts);
2995 qemu_add_opts(&qemu_numa_opts);
2996 qemu_add_opts(&qemu_icount_opts);
2997 qemu_add_opts(&qemu_semihosting_config_opts);
2998 qemu_add_opts(&qemu_fw_cfg_opts);
3002 if (qcrypto_init(&err) < 0) {
3003 fprintf(stderr, "Cannot initialize crypto: %s\n",
3004 error_get_pretty(err));
3007 rtc_clock = QEMU_CLOCK_HOST;
3009 QLIST_INIT (&vm_change_state_head);
3010 os_setup_early_signal_handling();
3012 module_call_init(MODULE_INIT_MACHINE);
3013 machine_class = find_default_machine();
3016 cyls = heads = secs = 0;
3017 translation = BIOS_ATA_TRANSLATION_AUTO;
3021 bdrv_init_with_whitelist();
3025 /* first pass of option parsing */
3027 while (optind < argc) {
3028 if (argv[optind][0] != '-') {
3032 const QEMUOption *popt;
3034 popt = lookup_opt(argc, argv, &optarg, &optind);
3035 switch (popt->index) {
3036 case QEMU_OPTION_nodefconfig:
3039 case QEMU_OPTION_nouserconfig:
3048 ret = qemu_read_default_config_files(userconfig);
3054 /* second pass of option parsing */
3059 if (argv[optind][0] != '-') {
3060 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3062 const QEMUOption *popt;
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 if (!(popt->arch_mask & arch_type)) {
3066 printf("Option %s not supported for this target\n", popt->name);
3069 switch(popt->index) {
3070 case QEMU_OPTION_no_kvm_irqchip: {
3071 olist = qemu_find_opts("machine");
3072 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3075 case QEMU_OPTION_cpu:
3076 /* hw initialization will check this */
3079 case QEMU_OPTION_hda:
3083 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3085 snprintf(buf, sizeof(buf),
3086 "%s,cyls=%d,heads=%d,secs=%d%s",
3087 HD_OPTS , cyls, heads, secs,
3088 translation == BIOS_ATA_TRANSLATION_LBA ?
3090 translation == BIOS_ATA_TRANSLATION_NONE ?
3091 ",trans=none" : "");
3092 drive_add(IF_DEFAULT, 0, optarg, buf);
3095 case QEMU_OPTION_hdb:
3096 case QEMU_OPTION_hdc:
3097 case QEMU_OPTION_hdd:
3098 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3101 case QEMU_OPTION_drive:
3102 if (drive_def(optarg) == NULL) {
3106 case QEMU_OPTION_set:
3107 if (qemu_set_option(optarg) != 0)
3110 case QEMU_OPTION_global:
3111 if (qemu_global_option(optarg) != 0)
3114 case QEMU_OPTION_mtdblock:
3115 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3117 case QEMU_OPTION_sd:
3118 drive_add(IF_SD, -1, optarg, SD_OPTS);
3120 case QEMU_OPTION_pflash:
3121 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3123 case QEMU_OPTION_snapshot:
3126 case QEMU_OPTION_hdachs:
3130 cyls = strtol(p, (char **)&p, 0);
3131 if (cyls < 1 || cyls > 16383)
3136 heads = strtol(p, (char **)&p, 0);
3137 if (heads < 1 || heads > 16)
3142 secs = strtol(p, (char **)&p, 0);
3143 if (secs < 1 || secs > 63)
3147 if (!strcmp(p, "large")) {
3148 translation = BIOS_ATA_TRANSLATION_LARGE;
3149 } else if (!strcmp(p, "rechs")) {
3150 translation = BIOS_ATA_TRANSLATION_RECHS;
3151 } else if (!strcmp(p, "none")) {
3152 translation = BIOS_ATA_TRANSLATION_NONE;
3153 } else if (!strcmp(p, "lba")) {
3154 translation = BIOS_ATA_TRANSLATION_LBA;
3155 } else if (!strcmp(p, "auto")) {
3156 translation = BIOS_ATA_TRANSLATION_AUTO;
3160 } else if (*p != '\0') {
3162 fprintf(stderr, "qemu: invalid physical CHS format\n");
3165 if (hda_opts != NULL) {
3166 qemu_opt_set_number(hda_opts, "cyls", cyls,
3168 qemu_opt_set_number(hda_opts, "heads", heads,
3170 qemu_opt_set_number(hda_opts, "secs", secs,
3172 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3173 qemu_opt_set(hda_opts, "trans", "large",
3175 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3176 qemu_opt_set(hda_opts, "trans", "rechs",
3178 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3179 qemu_opt_set(hda_opts, "trans", "lba",
3181 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3182 qemu_opt_set(hda_opts, "trans", "none",
3188 case QEMU_OPTION_numa:
3189 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3195 case QEMU_OPTION_display:
3196 display_type = select_display(optarg);
3198 case QEMU_OPTION_nographic:
3199 display_type = DT_NOGRAPHIC;
3201 case QEMU_OPTION_curses:
3202 #ifdef CONFIG_CURSES
3203 display_type = DT_CURSES;
3205 fprintf(stderr, "Curses support is disabled\n");
3209 case QEMU_OPTION_portrait:
3210 graphic_rotate = 90;
3212 case QEMU_OPTION_rotate:
3213 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3214 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3215 graphic_rotate != 180 && graphic_rotate != 270) {
3217 "qemu: only 90, 180, 270 deg rotation is available\n");
3221 case QEMU_OPTION_kernel:
3222 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3225 case QEMU_OPTION_initrd:
3226 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3229 case QEMU_OPTION_append:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3233 case QEMU_OPTION_dtb:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3237 case QEMU_OPTION_cdrom:
3238 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3240 case QEMU_OPTION_boot:
3241 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3247 case QEMU_OPTION_fda:
3248 case QEMU_OPTION_fdb:
3249 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3252 case QEMU_OPTION_no_fd_bootchk:
3255 case QEMU_OPTION_netdev:
3256 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3260 case QEMU_OPTION_net:
3261 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3265 #ifdef CONFIG_LIBISCSI
3266 case QEMU_OPTION_iscsi:
3267 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3275 case QEMU_OPTION_tftp:
3276 legacy_tftp_prefix = optarg;
3278 case QEMU_OPTION_bootp:
3279 legacy_bootp_filename = optarg;
3281 case QEMU_OPTION_redir:
3282 if (net_slirp_redir(optarg) < 0)
3286 case QEMU_OPTION_bt:
3287 add_device_config(DEV_BT, optarg);
3289 case QEMU_OPTION_audio_help:
3293 case QEMU_OPTION_soundhw:
3294 select_soundhw (optarg);
3299 case QEMU_OPTION_version:
3304 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3311 case QEMU_OPTION_tpmdev:
3312 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3317 case QEMU_OPTION_mempath:
3320 case QEMU_OPTION_mem_prealloc:
3330 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3332 case QEMU_OPTION_gdb:
3333 add_device_config(DEV_GDB, optarg);
3336 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3337 data_dir[data_dir_idx++] = optarg;
3340 case QEMU_OPTION_bios:
3341 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3344 case QEMU_OPTION_singlestep:
3351 keyboard_layout = optarg;
3353 case QEMU_OPTION_localtime:
3356 case QEMU_OPTION_vga:
3365 w = strtol(p, (char **)&p, 10);
3368 fprintf(stderr, "qemu: invalid resolution or depth\n");
3374 h = strtol(p, (char **)&p, 10);
3379 depth = strtol(p, (char **)&p, 10);
3380 if (depth != 8 && depth != 15 && depth != 16 &&
3381 depth != 24 && depth != 32)
3383 } else if (*p == '\0') {
3384 depth = graphic_depth;
3391 graphic_depth = depth;
3394 case QEMU_OPTION_echr:
3397 term_escape_char = strtol(optarg, &r, 0);
3399 printf("Bad argument to echr\n");
3402 case QEMU_OPTION_monitor:
3403 default_monitor = 0;
3404 if (strncmp(optarg, "none", 4)) {
3405 monitor_parse(optarg, "readline", false);
3408 case QEMU_OPTION_qmp:
3409 monitor_parse(optarg, "control", false);
3410 default_monitor = 0;
3412 case QEMU_OPTION_qmp_pretty:
3413 monitor_parse(optarg, "control", true);
3414 default_monitor = 0;
3416 case QEMU_OPTION_mon:
3417 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3422 default_monitor = 0;
3424 case QEMU_OPTION_chardev:
3425 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3431 case QEMU_OPTION_fsdev:
3432 olist = qemu_find_opts("fsdev");
3434 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3437 opts = qemu_opts_parse_noisily(olist, optarg, true);
3442 case QEMU_OPTION_virtfs: {
3445 const char *writeout, *sock_fd, *socket;
3447 olist = qemu_find_opts("virtfs");
3449 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3452 opts = qemu_opts_parse_noisily(olist, optarg, true);
3457 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3458 qemu_opt_get(opts, "mount_tag") == NULL) {
3459 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3462 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3463 qemu_opt_get(opts, "mount_tag"),
3466 fprintf(stderr, "duplicate fsdev id: %s\n",
3467 qemu_opt_get(opts, "mount_tag"));
3471 writeout = qemu_opt_get(opts, "writeout");
3473 #ifdef CONFIG_SYNC_FILE_RANGE
3474 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3476 fprintf(stderr, "writeout=immediate not supported on "
3481 qemu_opt_set(fsdev, "fsdriver",
3482 qemu_opt_get(opts, "fsdriver"), &error_abort);
3483 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3485 qemu_opt_set(fsdev, "security_model",
3486 qemu_opt_get(opts, "security_model"),
3488 socket = qemu_opt_get(opts, "socket");
3490 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3492 sock_fd = qemu_opt_get(opts, "sock_fd");
3494 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3497 qemu_opt_set_bool(fsdev, "readonly",
3498 qemu_opt_get_bool(opts, "readonly", 0),
3500 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3502 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3503 qemu_opt_set(device, "fsdev",
3504 qemu_opt_get(opts, "mount_tag"), &error_abort);
3505 qemu_opt_set(device, "mount_tag",
3506 qemu_opt_get(opts, "mount_tag"), &error_abort);
3509 case QEMU_OPTION_virtfs_synth: {
3513 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3516 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3519 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3521 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3523 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3524 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3525 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3528 case QEMU_OPTION_serial:
3529 add_device_config(DEV_SERIAL, optarg);
3531 if (strncmp(optarg, "mon:", 4) == 0) {
3532 default_monitor = 0;
3535 case QEMU_OPTION_watchdog:
3538 "qemu: only one watchdog option may be given\n");
3543 case QEMU_OPTION_watchdog_action:
3544 if (select_watchdog_action(optarg) == -1) {
3545 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3549 case QEMU_OPTION_virtiocon:
3550 add_device_config(DEV_VIRTCON, optarg);
3551 default_virtcon = 0;
3552 if (strncmp(optarg, "mon:", 4) == 0) {
3553 default_monitor = 0;
3556 case QEMU_OPTION_parallel:
3557 add_device_config(DEV_PARALLEL, optarg);
3558 default_parallel = 0;
3559 if (strncmp(optarg, "mon:", 4) == 0) {
3560 default_monitor = 0;
3563 case QEMU_OPTION_debugcon:
3564 add_device_config(DEV_DEBUGCON, optarg);
3566 case QEMU_OPTION_loadvm:
3569 case QEMU_OPTION_full_screen:
3572 case QEMU_OPTION_no_frame:
3575 case QEMU_OPTION_alt_grab:
3578 case QEMU_OPTION_ctrl_grab:
3581 case QEMU_OPTION_no_quit:
3584 case QEMU_OPTION_sdl:
3586 display_type = DT_SDL;
3589 fprintf(stderr, "SDL support is disabled\n");
3592 case QEMU_OPTION_pidfile:
3595 case QEMU_OPTION_win2k_hack:
3596 win2k_install_hack = 1;
3598 case QEMU_OPTION_rtc_td_hack: {
3599 static GlobalProperty slew_lost_ticks[] = {
3601 .driver = "mc146818rtc",
3602 .property = "lost_tick_policy",
3605 { /* end of list */ }
3608 qdev_prop_register_global_list(slew_lost_ticks);
3611 case QEMU_OPTION_acpitable:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3617 do_acpitable_option(opts);
3619 case QEMU_OPTION_smbios:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3625 do_smbios_option(opts);
3627 case QEMU_OPTION_fwcfg:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3634 case QEMU_OPTION_enable_kvm:
3635 olist = qemu_find_opts("machine");
3636 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3639 case QEMU_OPTION_machine:
3640 olist = qemu_find_opts("machine");
3641 opts = qemu_opts_parse_noisily(olist, optarg, true);
3646 case QEMU_OPTION_no_kvm:
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3650 case QEMU_OPTION_no_kvm_pit: {
3651 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3655 case QEMU_OPTION_no_kvm_pit_reinjection: {
3656 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3658 .driver = "kvm-pit",
3659 .property = "lost_tick_policy",
3662 { /* end of list */ }
3665 fprintf(stderr, "Warning: option deprecated, use "
3666 "lost_tick_policy property of kvm-pit instead.\n");
3667 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3670 case QEMU_OPTION_usb:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "usb=on", false);
3674 case QEMU_OPTION_usbdevice:
3675 olist = qemu_find_opts("machine");
3676 qemu_opts_parse_noisily(olist, "usb=on", false);
3677 add_device_config(DEV_USB, optarg);
3679 case QEMU_OPTION_device:
3680 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3685 case QEMU_OPTION_smp:
3686 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3691 case QEMU_OPTION_vnc:
3694 Error *local_err = NULL;
3696 if (vnc_parse(optarg, &local_err) == NULL) {
3697 error_report_err(local_err);
3701 fprintf(stderr, "VNC support is disabled\n");
3706 case QEMU_OPTION_no_acpi:
3709 case QEMU_OPTION_no_hpet:
3712 case QEMU_OPTION_balloon:
3713 if (balloon_parse(optarg) < 0) {
3714 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3718 case QEMU_OPTION_no_reboot:
3721 case QEMU_OPTION_no_shutdown:
3724 case QEMU_OPTION_show_cursor:
3727 case QEMU_OPTION_uuid:
3728 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3729 fprintf(stderr, "Fail to parse UUID string."
3730 " Wrong format.\n");
3733 qemu_uuid_set = true;
3735 case QEMU_OPTION_option_rom:
3736 if (nb_option_roms >= MAX_OPTION_ROMS) {
3737 fprintf(stderr, "Too many option ROMs\n");
3740 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3745 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3746 option_rom[nb_option_roms].bootindex =
3747 qemu_opt_get_number(opts, "bootindex", -1);
3748 if (!option_rom[nb_option_roms].name) {
3749 fprintf(stderr, "Option ROM file is not specified\n");
3754 case QEMU_OPTION_semihosting:
3755 semihosting.enabled = true;
3756 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3758 case QEMU_OPTION_semihosting_config:
3759 semihosting.enabled = true;
3760 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3763 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3765 const char *target = qemu_opt_get(opts, "target");
3766 if (target != NULL) {
3767 if (strcmp("native", target) == 0) {
3768 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3769 } else if (strcmp("gdb", target) == 0) {
3770 semihosting.target = SEMIHOSTING_TARGET_GDB;
3771 } else if (strcmp("auto", target) == 0) {
3772 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3774 fprintf(stderr, "Unsupported semihosting-config"
3780 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3782 /* Set semihosting argument count and vector */
3783 qemu_opt_foreach(opts, add_semihosting_arg,
3784 &semihosting, NULL);
3786 fprintf(stderr, "Unsupported semihosting-config %s\n",
3791 case QEMU_OPTION_tdf:
3792 fprintf(stderr, "Warning: user space PIT time drift fix "
3793 "is no longer supported.\n");
3795 case QEMU_OPTION_name:
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3802 case QEMU_OPTION_prom_env:
3803 if (nb_prom_envs >= MAX_PROM_ENVS) {
3804 fprintf(stderr, "Too many prom variables\n");
3807 prom_envs[nb_prom_envs] = optarg;
3810 case QEMU_OPTION_old_param:
3813 case QEMU_OPTION_clock:
3814 /* Clock options no longer exist. Keep this option for
3815 * backward compatibility.
3818 case QEMU_OPTION_startdate:
3819 configure_rtc_date_offset(optarg, 1);
3821 case QEMU_OPTION_rtc:
3822 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3827 configure_rtc(opts);
3829 case QEMU_OPTION_tb_size:
3830 tcg_tb_size = strtol(optarg, NULL, 0);
3831 if (tcg_tb_size < 0) {
3835 case QEMU_OPTION_icount:
3836 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3842 case QEMU_OPTION_incoming:
3844 runstate_set(RUN_STATE_INMIGRATE);
3848 case QEMU_OPTION_nodefaults:
3851 case QEMU_OPTION_xen_domid:
3852 if (!(xen_available())) {
3853 printf("Option %s not supported for this target\n", popt->name);
3856 xen_domid = atoi(optarg);
3858 case QEMU_OPTION_xen_create:
3859 if (!(xen_available())) {
3860 printf("Option %s not supported for this target\n", popt->name);
3863 xen_mode = XEN_CREATE;
3865 case QEMU_OPTION_xen_attach:
3866 if (!(xen_available())) {
3867 printf("Option %s not supported for this target\n", popt->name);
3870 xen_mode = XEN_ATTACH;
3872 case QEMU_OPTION_trace:
3874 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3879 trace_events = qemu_opt_get(opts, "events");
3880 trace_file = qemu_opt_get(opts, "file");
3883 case QEMU_OPTION_readconfig:
3885 int ret = qemu_read_config_file(optarg);
3887 fprintf(stderr, "read config %s: %s\n", optarg,
3893 case QEMU_OPTION_spice:
3894 olist = qemu_find_opts("spice");
3896 fprintf(stderr, "spice is not supported by this qemu build.\n");
3899 opts = qemu_opts_parse_noisily(olist, optarg, false);
3905 case QEMU_OPTION_writeconfig:
3908 if (strcmp(optarg, "-") == 0) {
3911 fp = fopen(optarg, "w");
3913 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3917 qemu_config_write(fp);
3923 case QEMU_OPTION_qtest:
3924 qtest_chrdev = optarg;
3926 case QEMU_OPTION_qtest_log:
3929 case QEMU_OPTION_sandbox:
3930 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3936 case QEMU_OPTION_add_fd:
3938 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3944 error_report("File descriptor passing is disabled on this "
3949 case QEMU_OPTION_object:
3950 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3956 case QEMU_OPTION_realtime:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3962 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3964 case QEMU_OPTION_msg:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3970 configure_msg(opts);
3972 case QEMU_OPTION_dump_vmstate:
3973 if (vmstate_dump_file) {
3974 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3975 "option may be given\n");
3978 vmstate_dump_file = fopen(optarg, "w");
3979 if (vmstate_dump_file == NULL) {
3980 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3985 os_parse_cmd_args(popt->index, optarg);
3990 opts = qemu_get_machine_opts();
3991 optarg = qemu_opt_get(opts, "type");
3993 machine_class = machine_parse(optarg);
3996 if (machine_class == NULL) {
3997 fprintf(stderr, "No machine specified, and there is no default.\n"
3998 "Use -machine help to list supported machines!\n");
4002 set_memory_options(&ram_slots, &maxram_size, machine_class);
4008 if (qemu_init_main_loop(&main_loop_err)) {
4009 error_report_err(main_loop_err);
4013 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4014 parse_sandbox, NULL, NULL)) {
4018 if (qemu_opts_foreach(qemu_find_opts("name"),
4019 parse_name, NULL, NULL)) {
4024 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4025 parse_add_fd, NULL, NULL)) {
4029 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4030 cleanup_add_fd, NULL, NULL)) {
4035 current_machine = MACHINE(object_new(object_class_get_name(
4036 OBJECT_CLASS(machine_class))));
4037 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4040 object_property_add_child(object_get_root(), "machine",
4041 OBJECT(current_machine), &error_abort);
4042 cpu_exec_init_all();
4044 if (machine_class->hw_version) {
4045 qemu_set_version(machine_class->hw_version);
4048 /* Init CPU def lists, based on config
4049 * - Must be called after all the qemu_read_config_file() calls
4050 * - Must be called before list_cpus()
4051 * - Must be called before machine->init()
4055 if (cpu_model && is_help_option(cpu_model)) {
4056 list_cpus(stdout, &fprintf, cpu_model);
4060 /* Open the logfile at this point and set the log mask if necessary.
4063 qemu_set_log_filename(log_file);
4068 mask = qemu_str_to_log_mask(log_mask);
4070 qemu_print_log_usage(stdout);
4076 if (!is_daemonized()) {
4077 if (!trace_init_backends(trace_events, trace_file)) {
4082 /* If no data_dir is specified then try to find it relative to the
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx] = os_find_datadir();
4086 if (data_dir[data_dir_idx] != NULL) {
4090 /* If all else fails use the install path specified when building. */
4091 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4092 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4095 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4097 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4098 if (max_cpus > machine_class->max_cpus) {
4099 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4100 "supported by machine `%s' (%d)\n", max_cpus,
4101 machine_class->name, machine_class->max_cpus);
4106 * Get the default machine options from the machine if it is not already
4107 * specified either by the configuration file or by the command line.
4109 if (machine_class->default_machine_opts) {
4110 qemu_opts_set_defaults(qemu_find_opts("machine"),
4111 machine_class->default_machine_opts, 0);
4114 qemu_opts_foreach(qemu_find_opts("device"),
4115 default_driver_check, NULL, NULL);
4116 qemu_opts_foreach(qemu_find_opts("global"),
4117 default_driver_check, NULL, NULL);
4119 if (!vga_model && !default_vga) {
4120 vga_interface_type = VGA_DEVICE;
4122 if (!has_defaults || machine_class->no_serial) {
4125 if (!has_defaults || machine_class->no_parallel) {
4126 default_parallel = 0;
4128 if (!has_defaults || !machine_class->use_virtcon) {
4129 default_virtcon = 0;
4131 if (!has_defaults || !machine_class->use_sclp) {
4134 if (!has_defaults || machine_class->no_floppy) {
4137 if (!has_defaults || machine_class->no_cdrom) {
4140 if (!has_defaults || machine_class->no_sdcard) {
4143 if (!has_defaults) {
4144 default_monitor = 0;
4149 if (is_daemonized()) {
4150 /* According to documentation and historically, -nographic redirects
4151 * serial port, parallel port and monitor to stdio, which does not work
4152 * with -daemonize. We can redirect these to null instead, but since
4153 * -nographic is legacy, let's just error out.
4154 * We disallow -nographic only if all other ports are not redirected
4155 * explicitly, to not break existing legacy setups which uses
4156 * -nographic _and_ redirects all ports explicitly - this is valid
4157 * usage, -nographic is just a no-op in this case.
4159 if (display_type == DT_NOGRAPHIC
4160 && (default_parallel || default_serial
4161 || default_monitor || default_virtcon)) {
4162 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4165 #ifdef CONFIG_CURSES
4166 if (display_type == DT_CURSES) {
4167 fprintf(stderr, "curses display can not be used with -daemonize\n");
4173 if (display_type == DT_NOGRAPHIC) {
4174 if (default_parallel)
4175 add_device_config(DEV_PARALLEL, "null");
4176 if (default_serial && default_monitor) {
4177 add_device_config(DEV_SERIAL, "mon:stdio");
4178 } else if (default_virtcon && default_monitor) {
4179 add_device_config(DEV_VIRTCON, "mon:stdio");
4180 } else if (default_sclp && default_monitor) {
4181 add_device_config(DEV_SCLP, "mon:stdio");
4184 add_device_config(DEV_SERIAL, "stdio");
4185 if (default_virtcon)
4186 add_device_config(DEV_VIRTCON, "stdio");
4188 add_device_config(DEV_SCLP, "stdio");
4190 if (default_monitor)
4191 monitor_parse("stdio", "readline", false);
4195 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4196 if (default_parallel)
4197 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4198 if (default_monitor)
4199 monitor_parse("vc:80Cx24C", "readline", false);
4200 if (default_virtcon)
4201 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4203 add_device_config(DEV_SCLP, "vc:80Cx24C");
4207 #if defined(CONFIG_VNC)
4208 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4212 if (display_type == DT_DEFAULT && !display_remote) {
4213 #if defined(CONFIG_GTK)
4214 display_type = DT_GTK;
4215 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4216 display_type = DT_SDL;
4217 #elif defined(CONFIG_VNC)
4218 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4221 display_type = DT_NONE;
4225 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4226 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4227 "for SDL, ignoring option\n");
4229 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4230 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4231 "ignoring option\n");
4234 #if defined(CONFIG_GTK)
4235 if (display_type == DT_GTK) {
4236 early_gtk_display_init(request_opengl);
4239 #if defined(CONFIG_SDL)
4240 if (display_type == DT_SDL) {
4241 sdl_display_early_init(request_opengl);
4244 if (request_opengl == 1 && display_opengl == 0) {
4245 #if defined(CONFIG_OPENGL)
4246 fprintf(stderr, "OpenGL is not supported by the display.\n");
4248 fprintf(stderr, "QEMU was built without opengl support.\n");
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4257 object_create_initial, NULL)) {
4261 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4262 chardev_init_func, NULL, NULL)) {
4266 #ifdef CONFIG_VIRTFS
4267 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4268 fsdev_init_func, NULL, NULL)) {
4273 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4274 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4278 if (qemu_opts_foreach(qemu_find_opts("device"),
4279 device_help_func, NULL, NULL)) {
4283 if (qemu_opts_foreach(qemu_find_opts("object"),
4285 object_create_delayed, NULL)) {
4289 machine_opts = qemu_get_machine_opts();
4290 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4292 object_unref(OBJECT(current_machine));
4296 configure_accelerator(current_machine);
4299 Error *local_err = NULL;
4300 qtest_init(qtest_chrdev, qtest_log, &local_err);
4302 error_report_err(local_err);
4307 machine_opts = qemu_get_machine_opts();
4308 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4309 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4310 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4311 bios_name = qemu_opt_get(machine_opts, "firmware");
4313 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4315 Error *local_err = NULL;
4317 boot_order = qemu_opt_get(opts, "order");
4319 validate_bootdevices(boot_order, &local_err);
4321 error_report_err(local_err);
4326 boot_once = qemu_opt_get(opts, "once");
4328 validate_bootdevices(boot_once, &local_err);
4330 error_report_err(local_err);
4335 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4336 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4340 boot_order = machine_class->default_boot_order;
4343 if (!kernel_cmdline) {
4344 kernel_cmdline = "";
4345 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4348 linux_boot = (kernel_filename != NULL);
4350 if (!linux_boot && *kernel_cmdline != '\0') {
4351 fprintf(stderr, "-append only allowed with -kernel option\n");
4355 if (!linux_boot && initrd_filename != NULL) {
4356 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4360 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4361 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4365 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4366 /* fall back to the -kernel/-append */
4367 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4370 os_set_line_buffering();
4373 /* spice needs the timers to be initialized by this point */
4379 if (kvm_enabled() || xen_enabled()) {
4380 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4383 configure_icount(icount_opts, &error_abort);
4384 qemu_opts_del(icount_opts);
4387 /* clean up network at qemu process termination */
4388 atexit(&net_cleanup);
4390 if (net_init_clients() < 0) {
4395 if (tpm_init() < 0) {
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT, bt_parse))
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4407 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4415 /* If the currently selected machine wishes to override the units-per-bus
4416 * property of its default HBA interface type, do so now. */
4417 if (machine_class->units_per_default_bus) {
4418 override_max_devs(machine_class->block_default_type,
4419 machine_class->units_per_default_bus);
4422 /* open the virtual block devices */
4424 qemu_opts_foreach(qemu_find_opts("drive"),
4425 drive_enable_snapshot, NULL, NULL);
4426 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4427 &machine_class->block_default_type, NULL)) {
4431 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4433 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4434 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4436 parse_numa_opts(machine_class);
4438 if (qemu_opts_foreach(qemu_find_opts("mon"),
4439 mon_init_func, NULL, NULL)) {
4443 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4445 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4447 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4449 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4452 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4455 /* If no default VGA is requested, the default is "none". */
4457 if (machine_class->default_display) {
4458 vga_model = machine_class->default_display;
4459 } else if (cirrus_vga_available()) {
4460 vga_model = "cirrus";
4461 } else if (vga_available()) {
4466 select_vgahw(vga_model);
4470 i = select_watchdog(watchdog);
4472 exit (i == 1 ? 1 : 0);
4475 if (machine_class->compat_props) {
4476 qdev_prop_register_global_list(machine_class->compat_props);
4480 qdev_machine_init();
4482 current_machine->ram_size = ram_size;
4483 current_machine->maxram_size = maxram_size;
4484 current_machine->ram_slots = ram_slots;
4485 current_machine->boot_order = boot_order;
4486 current_machine->cpu_model = cpu_model;
4488 machine_class->init(current_machine);
4494 cpu_synchronize_all_post_init();
4496 numa_post_machine_init();
4498 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4499 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4503 /* init USB devices */
4504 if (usb_enabled()) {
4505 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4509 /* Check if IGD GFX passthrough. */
4512 /* init generic devices */
4513 if (qemu_opts_foreach(qemu_find_opts("device"),
4514 device_init_func, NULL, NULL)) {
4518 /* Did we create any drives that we failed to create a device for? */
4519 drive_check_orphaned();
4521 net_check_clients();
4524 Error *local_err = NULL;
4525 qemu_boot_set(boot_once, &local_err);
4527 error_report("%s", error_get_pretty(local_err));
4530 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4533 ds = init_displaystate();
4535 /* init local displays */
4536 switch (display_type) {
4538 (void)ds; /* avoid warning if no display is configured */
4540 #if defined(CONFIG_CURSES)
4542 curses_display_init(ds, full_screen);
4545 #if defined(CONFIG_SDL)
4547 sdl_display_init(ds, full_screen, no_frame);
4549 #elif defined(CONFIG_COCOA)
4551 cocoa_display_init(ds, full_screen);
4554 #if defined(CONFIG_GTK)
4556 gtk_display_init(ds, full_screen, grab_on_hover);
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4567 /* init remote displays */
4568 qemu_opts_foreach(qemu_find_opts("vnc"),
4569 vnc_init_func, NULL, NULL);
4570 if (show_vnc_port) {
4571 char *ret = vnc_display_local_addr("default");
4572 printf("VNC server running on `%s'\n", ret);
4578 qemu_spice_display_init();
4582 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4586 qdev_machine_creation_done();
4588 /* TODO: once all bus devices are qdevified, this should be done
4589 * when bus is created by qdev.c */
4590 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4591 qemu_run_machine_init_done_notifiers();
4593 if (rom_check_and_register_reset() != 0) {
4594 fprintf(stderr, "rom check and register reset failed\n");
4598 qemu_system_reset(VMRESET_SILENT);
4599 register_global_state();
4601 if (load_vmstate(loadvm) < 0) {
4606 qdev_prop_check_globals();
4607 if (vmstate_dump_file) {
4609 dump_vmstate_json_to_file(vmstate_dump_file);
4614 Error *local_err = NULL;
4615 qemu_start_incoming_migration(incoming, &local_err);
4617 error_report("-incoming %s: %s", incoming,
4618 error_get_pretty(local_err));
4619 error_free(local_err);
4622 } else if (autostart) {
4628 if (is_daemonized()) {
4629 if (!trace_init_backends(trace_events, trace_file)) {