4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31 #include "config-host.h"
34 #include "sysemu/seccomp.h"
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
42 #if defined(__APPLE__) || defined(main)
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
47 return qemu_main(argc, argv, NULL);
50 #define main qemu_main
52 #endif /* CONFIG_SDL */
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
102 #include "fsdev/qemu-fsdev.h"
104 #include "sysemu/qtest.h"
106 #include "disas/disas.h"
109 #include "slirp/libslirp.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
143 NICInfo nd_table[MAX_NICS];
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
153 static bool grab_on_hover;
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
165 int acpi_enabled = 1;
168 static int no_reboot;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 const char *qemu_name;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
187 int icount_align_option;
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 uint8_t qemu_uuid[16];
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
203 enum xen_mode xen_mode = XEN_EMULATE;
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
239 static QemuOptsList qemu_rtc_opts = {
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .type = QEMU_OPT_STRING,
248 .type = QEMU_OPT_STRING,
251 .type = QEMU_OPT_STRING,
253 { /* end of list */ }
257 static QemuOptsList qemu_sandbox_opts = {
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .type = QEMU_OPT_BOOL,
266 { /* end of list */ }
270 static QemuOptsList qemu_trace_opts = {
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .type = QEMU_OPT_STRING,
280 .type = QEMU_OPT_STRING,
282 { /* end of list */ }
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .type = QEMU_OPT_NUMBER,
296 .type = QEMU_OPT_STRING,
298 { /* end of list */ }
302 static QemuOptsList qemu_machine_opts = {
304 .implied_opt_name = "type",
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
317 static QemuOptsList qemu_boot_opts = {
319 .implied_opt_name = "order",
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .type = QEMU_OPT_STRING,
328 .type = QEMU_OPT_STRING,
331 .type = QEMU_OPT_BOOL,
334 .type = QEMU_OPT_STRING,
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
343 .type = QEMU_OPT_BOOL,
349 static QemuOptsList qemu_add_fd_opts = {
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
366 { /* end of list */ }
370 static QemuOptsList qemu_object_opts = {
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
379 static QemuOptsList qemu_tpmdev_opts = {
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
389 static QemuOptsList qemu_realtime_opts = {
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .type = QEMU_OPT_BOOL,
397 { /* end of list */ }
401 static QemuOptsList qemu_msg_opts = {
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .type = QEMU_OPT_BOOL,
409 { /* end of list */ }
413 static QemuOptsList qemu_name_opts = {
415 .implied_opt_name = "guest",
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
436 { /* End of list */ }
440 static QemuOptsList qemu_mem_opts = {
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
448 .type = QEMU_OPT_SIZE,
452 .type = QEMU_OPT_NUMBER,
456 .type = QEMU_OPT_SIZE,
458 { /* end of list */ }
462 static QemuOptsList qemu_icount_opts = {
464 .implied_opt_name = "shift",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .type = QEMU_OPT_STRING,
473 .type = QEMU_OPT_BOOL,
476 .type = QEMU_OPT_BOOL,
478 { /* end of list */ }
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
489 .type = QEMU_OPT_BOOL,
492 .type = QEMU_OPT_STRING,
495 .type = QEMU_OPT_STRING,
497 { /* end of list */ }
501 static QemuOptsList qemu_fw_cfg_opts = {
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
516 { /* end of list */ }
521 * Get machine options
523 * Returns: machine options (never null).
525 QemuOpts *qemu_get_machine_opts(void)
527 return qemu_find_opts_singleton("machine");
530 const char *qemu_get_vm_name(void)
535 static void res_free(void)
537 g_free(boot_splash_filedata);
538 boot_splash_filedata = NULL;
541 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
543 const char *driver = qemu_opt_get(opts, "driver");
548 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
549 if (strcmp(default_list[i].driver, driver) != 0)
551 *(default_list[i].flag) = 0;
556 /***********************************************************/
559 static RunState current_run_state = RUN_STATE_PRELAUNCH;
561 /* We use RUN_STATE_MAX but any invalid value will do */
562 static RunState vmstop_requested = RUN_STATE_MAX;
563 static QemuMutex vmstop_lock;
568 } RunStateTransition;
570 static const RunStateTransition runstate_transitions_def[] = {
572 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
573 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
585 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
588 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
591 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
603 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
605 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
606 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
608 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
609 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
612 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
614 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
616 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
619 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
622 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
623 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
624 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
627 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
630 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_MAX, RUN_STATE_MAX },
635 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
637 bool runstate_check(RunState state)
639 return current_run_state == state;
642 bool runstate_store(char *str, size_t size)
644 const char *state = RunState_lookup[current_run_state];
645 size_t len = strlen(state) + 1;
650 memcpy(str, state, len);
654 static void runstate_init(void)
656 const RunStateTransition *p;
658 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
659 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
660 runstate_valid_transitions[p->from][p->to] = true;
663 qemu_mutex_init(&vmstop_lock);
666 /* This function will abort() on invalid state transitions */
667 void runstate_set(RunState new_state)
669 assert(new_state < RUN_STATE_MAX);
671 if (!runstate_valid_transitions[current_run_state][new_state]) {
672 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
673 RunState_lookup[current_run_state],
674 RunState_lookup[new_state]);
677 trace_runstate_set(new_state);
678 current_run_state = new_state;
681 int runstate_is_running(void)
683 return runstate_check(RUN_STATE_RUNNING);
686 bool runstate_needs_reset(void)
688 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
689 runstate_check(RUN_STATE_SHUTDOWN);
692 StatusInfo *qmp_query_status(Error **errp)
694 StatusInfo *info = g_malloc0(sizeof(*info));
696 info->running = runstate_is_running();
697 info->singlestep = singlestep;
698 info->status = current_run_state;
703 static bool qemu_vmstop_requested(RunState *r)
705 qemu_mutex_lock(&vmstop_lock);
706 *r = vmstop_requested;
707 vmstop_requested = RUN_STATE_MAX;
708 qemu_mutex_unlock(&vmstop_lock);
709 return *r < RUN_STATE_MAX;
712 void qemu_system_vmstop_request_prepare(void)
714 qemu_mutex_lock(&vmstop_lock);
717 void qemu_system_vmstop_request(RunState state)
719 vmstop_requested = state;
720 qemu_mutex_unlock(&vmstop_lock);
728 qemu_vmstop_requested(&requested);
729 if (runstate_is_running() && requested == RUN_STATE_MAX) {
733 /* Ensure that a STOP/RESUME pair of events is emitted if a
734 * vmstop request was pending. The BLOCK_IO_ERROR event, for
735 * example, according to documentation is always followed by
738 if (runstate_is_running()) {
739 qapi_event_send_stop(&error_abort);
742 runstate_set(RUN_STATE_RUNNING);
743 vm_state_notify(1, RUN_STATE_RUNNING);
747 qapi_event_send_resume(&error_abort);
751 /***********************************************************/
752 /* real time host monotonic timer */
754 static time_t qemu_time(void)
756 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
759 /***********************************************************/
760 /* host time/date access */
761 void qemu_get_timedate(struct tm *tm, int offset)
763 time_t ti = qemu_time();
766 if (rtc_date_offset == -1) {
770 localtime_r(&ti, tm);
772 ti -= rtc_date_offset;
777 int qemu_timedate_diff(struct tm *tm)
781 if (rtc_date_offset == -1)
783 seconds = mktimegm(tm);
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
790 seconds = mktimegm(tm) + rtc_date_offset;
792 return seconds - qemu_time();
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
797 time_t rtc_start_date;
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
811 } else if (sscanf(startdate, "%d-%d-%d",
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
830 rtc_date_offset = qemu_time() - rtc_start_date;
834 static void configure_rtc(QemuOpts *opts)
838 value = qemu_opt_get(opts, "base");
840 if (!strcmp(value, "utc")) {
842 } else if (!strcmp(value, "localtime")) {
845 configure_rtc_date_offset(value, 0);
848 value = qemu_opt_get(opts, "clock");
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 value = qemu_opt_get(opts, "driftfix");
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
870 { /* end of list */ }
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
883 /***********************************************************/
884 /* Bluetooth support */
887 static struct HCIInfo *hci_table[MAX_NICS];
889 struct HCIInfo *qemu_next_hci(void)
891 if (cur_hci == nb_hcis)
894 return hci_table[cur_hci++];
897 static int bt_hci_parse(const char *str)
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
919 hci_table[nb_hcis++] = hci;
924 static void bt_vhci_add(int vlan_id)
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
932 bt_vhci_init(bt_new_hci(vlan));
935 static struct bt_device_s *bt_device_add(const char *opt)
937 struct bt_scatternet_s *vlan;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
946 vlan_id = strtol(endp + 6, &endp, 0);
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
953 vlan = qemu_find_bt_vlan(vlan_id);
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
966 static int bt_parse(const char *opt)
968 const char *endp, *p;
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
974 if (!strstart(endp, ",vlan=", 0))
977 return bt_hci_parse(opt);
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1016 error_report("sandboxing request but seccomp is not compiled "
1025 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1027 const char *proc_name;
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1032 qemu_name = qemu_opt_get(opts, "guest");
1034 proc_name = qemu_opt_get(opts, "process");
1036 os_set_proc_name(proc_name);
1042 bool defaults_enabled(void)
1044 return has_defaults;
1047 bool usb_enabled(void)
1049 return machine_usb(current_machine);
1053 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1055 int fd, dupfd, flags;
1057 const char *fd_opaque = NULL;
1060 fd = qemu_opt_get_number(opts, "fd", -1);
1061 fdset_id = qemu_opt_get_number(opts, "set", -1);
1062 fd_opaque = qemu_opt_get(opts, "opaque");
1065 error_report("fd option is required and must be non-negative");
1069 if (fd <= STDERR_FILENO) {
1070 error_report("fd cannot be a standard I/O stream");
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 error_report("fd is not valid or already in use");
1085 error_report("set option is required and must be non-negative");
1089 #ifdef F_DUPFD_CLOEXEC
1090 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1094 qemu_set_cloexec(dupfd);
1098 error_report("Error duplicating fd: %s", strerror(errno));
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1110 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1114 fd = qemu_opt_get_number(opts, "fd", -1);
1121 /***********************************************************/
1122 /* QEMU Block devices */
1124 #define HD_OPTS "media=disk"
1125 #define CDROM_OPTS "media=cdrom"
1127 #define PFLASH_OPTS ""
1131 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1133 BlockInterfaceType *block_default_type = opaque;
1135 return drive_new(opts, *block_default_type) == NULL;
1138 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1140 if (qemu_opt_get(opts, "snapshot") == NULL) {
1141 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1146 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1147 int index, const char *optstr)
1152 if (!enable || drive_get_by_index(type, index)) {
1156 opts = drive_add(type, index, NULL, optstr);
1158 drive_enable_snapshot(NULL, opts, NULL);
1161 dinfo = drive_new(opts, type);
1165 dinfo->is_default = true;
1169 static QemuOptsList qemu_smp_opts = {
1171 .implied_opt_name = "cpus",
1172 .merge_lists = true,
1173 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1177 .type = QEMU_OPT_NUMBER,
1180 .type = QEMU_OPT_NUMBER,
1183 .type = QEMU_OPT_NUMBER,
1186 .type = QEMU_OPT_NUMBER,
1189 .type = QEMU_OPT_NUMBER,
1191 { /*End of list */ }
1195 static void smp_parse(QemuOpts *opts)
1199 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1200 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1201 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1202 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1204 /* compute missing values, prefer sockets over cores over threads */
1205 if (cpus == 0 || sockets == 0) {
1206 sockets = sockets > 0 ? sockets : 1;
1207 cores = cores > 0 ? cores : 1;
1208 threads = threads > 0 ? threads : 1;
1210 cpus = cores * threads * sockets;
1212 } else if (cores == 0) {
1213 threads = threads > 0 ? threads : 1;
1214 cores = cpus / (sockets * threads);
1215 } else if (threads == 0) {
1216 threads = cpus / (cores * sockets);
1217 } else if (sockets * cores * threads < cpus) {
1218 fprintf(stderr, "cpu topology: error: "
1219 "sockets (%u) * cores (%u) * threads (%u) < "
1221 sockets, cores, threads, cpus);
1225 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1228 smp_cores = cores > 0 ? cores : 1;
1229 smp_threads = threads > 0 ? threads : 1;
1233 if (max_cpus == 0) {
1234 max_cpus = smp_cpus;
1237 if (max_cpus > MAX_CPUMASK_BITS) {
1238 fprintf(stderr, "Unsupported number of maxcpus\n");
1241 if (max_cpus < smp_cpus) {
1242 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1248 static void realtime_init(void)
1251 if (os_mlock() < 0) {
1252 fprintf(stderr, "qemu: locking memory failed\n");
1259 static void configure_msg(QemuOpts *opts)
1261 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 /***********************************************************/
1267 typedef struct SemihostingConfig {
1269 SemihostingTarget target;
1272 const char *cmdline; /* concatenated argv */
1273 } SemihostingConfig;
1275 static SemihostingConfig semihosting;
1277 bool semihosting_enabled(void)
1279 return semihosting.enabled;
1282 SemihostingTarget semihosting_get_target(void)
1284 return semihosting.target;
1287 const char *semihosting_get_arg(int i)
1289 if (i >= semihosting.argc) {
1292 return semihosting.argv[i];
1295 int semihosting_get_argc(void)
1297 return semihosting.argc;
1300 const char *semihosting_get_cmdline(void)
1302 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1303 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1305 return semihosting.cmdline;
1308 static int add_semihosting_arg(void *opaque,
1309 const char *name, const char *val,
1312 SemihostingConfig *s = opaque;
1313 if (strcmp(name, "arg") == 0) {
1315 /* one extra element as g_strjoinv() expects NULL-terminated array */
1316 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1317 s->argv[s->argc - 1] = val;
1318 s->argv[s->argc] = NULL;
1323 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1324 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1329 add_semihosting_arg(&semihosting, "arg", file, NULL);
1331 /* split -append and initialize argv[1..n] */
1332 cmd_token = strtok(g_strdup(cmd), " ");
1334 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1335 cmd_token = strtok(NULL, " ");
1339 /* Now we still need this for compatibility with XEN. */
1340 bool has_igd_gfx_passthru;
1341 static void igd_gfx_passthru(void)
1343 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 /***********************************************************/
1349 static int usb_device_add(const char *devname)
1351 USBDevice *dev = NULL;
1352 #ifndef CONFIG_LINUX
1356 if (!usb_enabled()) {
1360 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1361 dev = usbdevice_create(devname);
1365 /* the other ones */
1366 #ifndef CONFIG_LINUX
1367 /* only the linux version is qdev-ified, usb-bsd still needs this */
1368 if (strstart(devname, "host:", &p)) {
1369 dev = usb_host_device_open(usb_bus_find(-1), p);
1379 static int usb_device_del(const char *devname)
1384 if (strstart(devname, "host:", &p)) {
1388 if (!usb_enabled()) {
1392 p = strchr(devname, '.');
1395 bus_num = strtoul(devname, NULL, 0);
1396 addr = strtoul(p + 1, NULL, 0);
1398 return usb_device_delete_addr(bus_num, addr);
1401 static int usb_parse(const char *cmdline)
1404 r = usb_device_add(cmdline);
1406 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1411 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1413 const char *devname = qdict_get_str(qdict, "devname");
1414 if (usb_device_add(devname) < 0) {
1415 error_report("could not add USB device '%s'", devname);
1419 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1421 const char *devname = qdict_get_str(qdict, "devname");
1422 if (usb_device_del(devname) < 0) {
1423 error_report("could not delete USB device '%s'", devname);
1427 /***********************************************************/
1428 /* machine registration */
1430 MachineState *current_machine;
1433 * Transitional class registration/init used for converting from
1434 * legacy QEMUMachine to MachineClass.
1436 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1438 MachineClass *mc = MACHINE_CLASS(oc);
1439 QEMUMachine *qm = data;
1440 mc->desc = qm->desc;
1441 mc->init = qm->init;
1442 mc->kvm_type = qm->kvm_type;
1443 mc->block_default_type = qm->block_default_type;
1444 mc->max_cpus = qm->max_cpus;
1445 mc->no_sdcard = qm->no_sdcard;
1446 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1447 mc->is_default = qm->is_default;
1448 mc->default_machine_opts = qm->default_machine_opts;
1449 mc->default_boot_order = qm->default_boot_order;
1452 int qemu_register_machine(QEMUMachine *m)
1454 char *name = g_strdup_printf(MACHINE_TYPE_NAME("%s"), m->name);
1457 .parent = TYPE_MACHINE,
1458 .class_init = qemu_machine_class_init,
1459 .class_data = (void *)m,
1468 static MachineClass *find_machine(const char *name)
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1476 if (!strcmp(temp->name, name)) {
1481 !strcmp(temp->alias, name)) {
1487 g_slist_free(machines);
1491 MachineClass *find_default_machine(void)
1493 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1494 MachineClass *mc = NULL;
1496 for (el = machines; el; el = el->next) {
1497 MachineClass *temp = el->data;
1499 if (temp->is_default) {
1505 g_slist_free(machines);
1509 MachineInfoList *qmp_query_machines(Error **errp)
1511 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1512 MachineInfoList *mach_list = NULL;
1514 for (el = machines; el; el = el->next) {
1515 MachineClass *mc = el->data;
1516 MachineInfoList *entry;
1519 info = g_malloc0(sizeof(*info));
1520 if (mc->is_default) {
1521 info->has_is_default = true;
1522 info->is_default = true;
1526 info->has_alias = true;
1527 info->alias = g_strdup(mc->alias);
1530 info->name = g_strdup(mc->name);
1531 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533 entry = g_malloc0(sizeof(*entry));
1534 entry->value = info;
1535 entry->next = mach_list;
1539 g_slist_free(machines);
1543 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1545 ObjectProperty *prop;
1547 if (!qemu_opt_has_help_opt(opts)) {
1551 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1556 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1557 prop->name, prop->type);
1558 if (prop->description) {
1559 error_printf(" (%s)\n", prop->description);
1568 /***********************************************************/
1569 /* main execution loop */
1571 struct vm_change_state_entry {
1572 VMChangeStateHandler *cb;
1574 QLIST_ENTRY (vm_change_state_entry) entries;
1577 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1582 VMChangeStateEntry *e;
1584 e = g_malloc0(sizeof (*e));
1588 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1592 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 QLIST_REMOVE (e, entries);
1598 void vm_state_notify(int running, RunState state)
1600 VMChangeStateEntry *e, *next;
1602 trace_vm_state_notify(running, state);
1604 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1605 e->cb(e->opaque, running, state);
1609 /* reset/shutdown handler */
1611 typedef struct QEMUResetEntry {
1612 QTAILQ_ENTRY(QEMUResetEntry) entry;
1613 QEMUResetHandler *func;
1617 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1618 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1619 static int reset_requested;
1620 static int shutdown_requested, shutdown_signal = -1;
1621 static pid_t shutdown_pid;
1622 static int powerdown_requested;
1623 static int debug_requested;
1624 static int suspend_requested;
1625 static WakeupReason wakeup_reason;
1626 static NotifierList powerdown_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1628 static NotifierList suspend_notifiers =
1629 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1630 static NotifierList wakeup_notifiers =
1631 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1632 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634 int qemu_shutdown_requested_get(void)
1636 return shutdown_requested;
1639 int qemu_reset_requested_get(void)
1641 return reset_requested;
1644 static int qemu_shutdown_requested(void)
1646 return atomic_xchg(&shutdown_requested, 0);
1649 static void qemu_kill_report(void)
1651 if (!qtest_driver() && shutdown_signal != -1) {
1652 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1653 if (shutdown_pid == 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1657 fputc('\n', stderr);
1659 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1661 shutdown_signal = -1;
1665 static int qemu_reset_requested(void)
1667 int r = reset_requested;
1668 reset_requested = 0;
1672 static int qemu_suspend_requested(void)
1674 int r = suspend_requested;
1675 suspend_requested = 0;
1679 static WakeupReason qemu_wakeup_requested(void)
1681 return wakeup_reason;
1684 static int qemu_powerdown_requested(void)
1686 int r = powerdown_requested;
1687 powerdown_requested = 0;
1691 static int qemu_debug_requested(void)
1693 int r = debug_requested;
1694 debug_requested = 0;
1698 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1700 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1703 re->opaque = opaque;
1704 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1707 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1711 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1712 if (re->func == func && re->opaque == opaque) {
1713 QTAILQ_REMOVE(&reset_handlers, re, entry);
1720 void qemu_devices_reset(void)
1722 QEMUResetEntry *re, *nre;
1724 /* reset all devices */
1725 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1726 re->func(re->opaque);
1730 void qemu_system_reset(bool report)
1734 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1736 if (mc && mc->reset) {
1739 qemu_devices_reset();
1742 qapi_event_send_reset(&error_abort);
1744 cpu_synchronize_all_post_reset();
1747 void qemu_system_guest_panicked(void)
1750 current_cpu->crash_occurred = true;
1752 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1753 vm_stop(RUN_STATE_GUEST_PANICKED);
1756 void qemu_system_reset_request(void)
1759 shutdown_requested = 1;
1761 reset_requested = 1;
1764 qemu_notify_event();
1767 static void qemu_system_suspend(void)
1770 notifier_list_notify(&suspend_notifiers, NULL);
1771 runstate_set(RUN_STATE_SUSPENDED);
1772 qapi_event_send_suspend(&error_abort);
1775 void qemu_system_suspend_request(void)
1777 if (runstate_check(RUN_STATE_SUSPENDED)) {
1780 suspend_requested = 1;
1782 qemu_notify_event();
1785 void qemu_register_suspend_notifier(Notifier *notifier)
1787 notifier_list_add(&suspend_notifiers, notifier);
1790 void qemu_system_wakeup_request(WakeupReason reason)
1792 trace_system_wakeup_request(reason);
1794 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1797 if (!(wakeup_reason_mask & (1 << reason))) {
1800 runstate_set(RUN_STATE_RUNNING);
1801 wakeup_reason = reason;
1802 qemu_notify_event();
1805 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1808 wakeup_reason_mask |= (1 << reason);
1810 wakeup_reason_mask &= ~(1 << reason);
1814 void qemu_register_wakeup_notifier(Notifier *notifier)
1816 notifier_list_add(&wakeup_notifiers, notifier);
1819 void qemu_system_killed(int signal, pid_t pid)
1821 shutdown_signal = signal;
1824 qemu_system_shutdown_request();
1827 void qemu_system_shutdown_request(void)
1829 trace_qemu_system_shutdown_request();
1830 shutdown_requested = 1;
1831 qemu_notify_event();
1834 static void qemu_system_powerdown(void)
1836 qapi_event_send_powerdown(&error_abort);
1837 notifier_list_notify(&powerdown_notifiers, NULL);
1840 void qemu_system_powerdown_request(void)
1842 trace_qemu_system_powerdown_request();
1843 powerdown_requested = 1;
1844 qemu_notify_event();
1847 void qemu_register_powerdown_notifier(Notifier *notifier)
1849 notifier_list_add(&powerdown_notifiers, notifier);
1852 void qemu_system_debug_request(void)
1854 debug_requested = 1;
1855 qemu_notify_event();
1858 static bool main_loop_should_exit(void)
1861 if (qemu_debug_requested()) {
1862 vm_stop(RUN_STATE_DEBUG);
1864 if (qemu_suspend_requested()) {
1865 qemu_system_suspend();
1867 if (qemu_shutdown_requested()) {
1869 qapi_event_send_shutdown(&error_abort);
1871 vm_stop(RUN_STATE_SHUTDOWN);
1876 if (qemu_reset_requested()) {
1878 cpu_synchronize_all_states();
1879 qemu_system_reset(VMRESET_REPORT);
1881 if (runstate_needs_reset()) {
1882 runstate_set(RUN_STATE_PAUSED);
1885 if (qemu_wakeup_requested()) {
1887 cpu_synchronize_all_states();
1888 qemu_system_reset(VMRESET_SILENT);
1889 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1890 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1892 qapi_event_send_wakeup(&error_abort);
1894 if (qemu_powerdown_requested()) {
1895 qemu_system_powerdown();
1897 if (qemu_vmstop_requested(&r)) {
1903 static void main_loop(void)
1907 #ifdef CONFIG_PROFILER
1911 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1912 #ifdef CONFIG_PROFILER
1913 ti = profile_getclock();
1915 last_io = main_loop_wait(nonblocking);
1916 #ifdef CONFIG_PROFILER
1917 dev_time += profile_getclock() - ti;
1919 } while (!main_loop_should_exit());
1922 static void version(void)
1924 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1927 static void help(int exitcode)
1930 printf("usage: %s [options] [disk_image]\n\n"
1931 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1932 error_get_progname());
1934 #define QEMU_OPTIONS_GENERATE_HELP
1935 #include "qemu-options-wrapper.h"
1937 printf("\nDuring emulation, the following keys are useful:\n"
1938 "ctrl-alt-f toggle full screen\n"
1939 "ctrl-alt-n switch to virtual console 'n'\n"
1940 "ctrl-alt toggle mouse and keyboard grab\n"
1942 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1947 #define HAS_ARG 0x0001
1949 typedef struct QEMUOption {
1956 static const QEMUOption qemu_options[] = {
1957 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1958 #define QEMU_OPTIONS_GENERATE_OPTIONS
1959 #include "qemu-options-wrapper.h"
1963 static bool vga_available(void)
1965 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1968 static bool cirrus_vga_available(void)
1970 return object_class_by_name("cirrus-vga")
1971 || object_class_by_name("isa-cirrus-vga");
1974 static bool vmware_vga_available(void)
1976 return object_class_by_name("vmware-svga");
1979 static bool qxl_vga_available(void)
1981 return object_class_by_name("qxl-vga");
1984 static bool tcx_vga_available(void)
1986 return object_class_by_name("SUNW,tcx");
1989 static bool cg3_vga_available(void)
1991 return object_class_by_name("cgthree");
1994 static bool virtio_vga_available(void)
1996 return object_class_by_name("virtio-vga");
1999 static void select_vgahw (const char *p)
2003 assert(vga_interface_type == VGA_NONE);
2004 if (strstart(p, "std", &opts)) {
2005 if (vga_available()) {
2006 vga_interface_type = VGA_STD;
2008 fprintf(stderr, "Error: standard VGA not available\n");
2011 } else if (strstart(p, "cirrus", &opts)) {
2012 if (cirrus_vga_available()) {
2013 vga_interface_type = VGA_CIRRUS;
2015 fprintf(stderr, "Error: Cirrus VGA not available\n");
2018 } else if (strstart(p, "vmware", &opts)) {
2019 if (vmware_vga_available()) {
2020 vga_interface_type = VGA_VMWARE;
2022 fprintf(stderr, "Error: VMWare SVGA not available\n");
2025 } else if (strstart(p, "virtio", &opts)) {
2026 if (virtio_vga_available()) {
2027 vga_interface_type = VGA_VIRTIO;
2029 fprintf(stderr, "Error: Virtio VGA not available\n");
2032 } else if (strstart(p, "xenfb", &opts)) {
2033 vga_interface_type = VGA_XENFB;
2034 } else if (strstart(p, "qxl", &opts)) {
2035 if (qxl_vga_available()) {
2036 vga_interface_type = VGA_QXL;
2038 fprintf(stderr, "Error: QXL VGA not available\n");
2041 } else if (strstart(p, "tcx", &opts)) {
2042 if (tcx_vga_available()) {
2043 vga_interface_type = VGA_TCX;
2045 fprintf(stderr, "Error: TCX framebuffer not available\n");
2048 } else if (strstart(p, "cg3", &opts)) {
2049 if (cg3_vga_available()) {
2050 vga_interface_type = VGA_CG3;
2052 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2055 } else if (!strstart(p, "none", &opts)) {
2057 fprintf(stderr, "Unknown vga type: %s\n", p);
2061 const char *nextopt;
2063 if (strstart(opts, ",retrace=", &nextopt)) {
2065 if (strstart(opts, "dumb", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_DUMB;
2067 else if (strstart(opts, "precise", &nextopt))
2068 vga_retrace_method = VGA_RETRACE_PRECISE;
2069 else goto invalid_vga;
2070 } else goto invalid_vga;
2075 static DisplayType select_display(const char *p)
2078 DisplayType display = DT_DEFAULT;
2080 if (strstart(p, "sdl", &opts)) {
2084 const char *nextopt;
2086 if (strstart(opts, ",frame=", &nextopt)) {
2088 if (strstart(opts, "on", &nextopt)) {
2090 } else if (strstart(opts, "off", &nextopt)) {
2093 goto invalid_sdl_args;
2095 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2097 if (strstart(opts, "on", &nextopt)) {
2099 } else if (strstart(opts, "off", &nextopt)) {
2102 goto invalid_sdl_args;
2104 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2106 if (strstart(opts, "on", &nextopt)) {
2108 } else if (strstart(opts, "off", &nextopt)) {
2111 goto invalid_sdl_args;
2113 } else if (strstart(opts, ",window_close=", &nextopt)) {
2115 if (strstart(opts, "on", &nextopt)) {
2117 } else if (strstart(opts, "off", &nextopt)) {
2120 goto invalid_sdl_args;
2122 } else if (strstart(opts, ",gl=", &nextopt)) {
2124 if (strstart(opts, "on", &nextopt)) {
2126 } else if (strstart(opts, "off", &nextopt)) {
2129 goto invalid_sdl_args;
2133 error_report("Invalid SDL option string");
2139 error_report("SDL support is disabled");
2142 } else if (strstart(p, "vnc", &opts)) {
2146 if (vnc_parse(opts + 1, &err) == NULL) {
2147 error_report_err(err);
2151 error_report("VNC requires a display argument vnc=<display>");
2155 error_report("VNC support is disabled");
2158 } else if (strstart(p, "curses", &opts)) {
2159 #ifdef CONFIG_CURSES
2160 display = DT_CURSES;
2162 error_report("Curses support is disabled");
2165 } else if (strstart(p, "gtk", &opts)) {
2169 const char *nextopt;
2171 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 if (strstart(opts, "on", &nextopt)) {
2174 grab_on_hover = true;
2175 } else if (strstart(opts, "off", &nextopt)) {
2176 grab_on_hover = false;
2178 goto invalid_gtk_args;
2180 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 if (strstart(opts, "on", &nextopt)) {
2184 } else if (strstart(opts, "off", &nextopt)) {
2187 goto invalid_gtk_args;
2191 error_report("Invalid GTK option string");
2197 error_report("GTK support is disabled");
2200 } else if (strstart(p, "none", &opts)) {
2203 error_report("Unknown display type");
2210 static int balloon_parse(const char *arg)
2214 if (strcmp(arg, "none") == 0) {
2218 if (!strncmp(arg, "virtio", 6)) {
2219 if (arg[6] == ',') {
2220 /* have params -> parse them */
2221 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2226 /* create empty opts */
2227 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2230 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2237 char *qemu_find_file(int type, const char *name)
2243 /* Try the name as a straight path first */
2244 if (access(name, R_OK) == 0) {
2245 trace_load_file(name, name);
2246 return g_strdup(name);
2250 case QEMU_FILE_TYPE_BIOS:
2253 case QEMU_FILE_TYPE_KEYMAP:
2254 subdir = "keymaps/";
2260 for (i = 0; i < data_dir_idx; i++) {
2261 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2262 if (access(buf, R_OK) == 0) {
2263 trace_load_file(name, buf);
2271 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2275 const char *name, *file;
2277 if (opaque == NULL) {
2278 error_report("fw_cfg device not available");
2281 name = qemu_opt_get(opts, "name");
2282 file = qemu_opt_get(opts, "file");
2283 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2284 error_report("invalid argument value");
2287 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2288 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2291 if (strncmp(name, "opt/", 4) != 0) {
2292 error_report("WARNING: externally provided fw_cfg item names "
2293 "should be prefixed with \"opt/\"!");
2295 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2296 error_report("can't load %s", file);
2299 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2303 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2305 return qdev_device_help(opts);
2308 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2313 dev = qdev_device_add(opts, &err);
2315 error_report_err(err);
2318 object_unref(OBJECT(dev));
2322 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2324 Error *local_err = NULL;
2326 qemu_chr_new_from_opts(opts, NULL, &local_err);
2328 error_report_err(local_err);
2334 #ifdef CONFIG_VIRTFS
2335 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338 ret = qemu_fsdev_add(opts);
2344 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 CharDriverState *chr;
2347 const char *chardev;
2351 mode = qemu_opt_get(opts, "mode");
2355 if (strcmp(mode, "readline") == 0) {
2356 flags = MONITOR_USE_READLINE;
2357 } else if (strcmp(mode, "control") == 0) {
2358 flags = MONITOR_USE_CONTROL;
2360 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2364 if (qemu_opt_get_bool(opts, "pretty", 0))
2365 flags |= MONITOR_USE_PRETTY;
2367 if (qemu_opt_get_bool(opts, "default", 0))
2368 flags |= MONITOR_IS_DEFAULT;
2370 chardev = qemu_opt_get(opts, "chardev");
2371 chr = qemu_chr_find(chardev);
2373 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2377 qemu_chr_fe_claim_no_fail(chr);
2378 monitor_init(chr, flags);
2382 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2384 static int monitor_device_index = 0;
2385 Error *local_err = NULL;
2391 if (strstart(optarg, "chardev:", &p)) {
2392 snprintf(label, sizeof(label), "%s", p);
2394 snprintf(label, sizeof(label), "compat_monitor%d",
2395 monitor_device_index);
2396 if (monitor_device_index == 0) {
2399 opts = qemu_chr_parse_compat(label, optarg);
2401 fprintf(stderr, "parse error: %s\n", optarg);
2406 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2408 error_report_err(local_err);
2411 qemu_opt_set(opts, "mode", mode, &error_abort);
2412 qemu_opt_set(opts, "chardev", label, &error_abort);
2413 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2415 qemu_opt_set(opts, "default", "on", &error_abort);
2416 monitor_device_index++;
2419 struct device_config {
2421 DEV_USB, /* -usbdevice */
2423 DEV_SERIAL, /* -serial */
2424 DEV_PARALLEL, /* -parallel */
2425 DEV_VIRTCON, /* -virtioconsole */
2426 DEV_DEBUGCON, /* -debugcon */
2427 DEV_GDB, /* -gdb, -s */
2428 DEV_SCLP, /* s390 sclp */
2430 const char *cmdline;
2432 QTAILQ_ENTRY(device_config) next;
2435 static QTAILQ_HEAD(, device_config) device_configs =
2436 QTAILQ_HEAD_INITIALIZER(device_configs);
2438 static void add_device_config(int type, const char *cmdline)
2440 struct device_config *conf;
2442 conf = g_malloc0(sizeof(*conf));
2444 conf->cmdline = cmdline;
2445 loc_save(&conf->loc);
2446 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2449 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2451 struct device_config *conf;
2454 QTAILQ_FOREACH(conf, &device_configs, next) {
2455 if (conf->type != type)
2457 loc_push_restore(&conf->loc);
2458 rc = func(conf->cmdline);
2459 loc_pop(&conf->loc);
2467 static int serial_parse(const char *devname)
2469 static int index = 0;
2472 if (strcmp(devname, "none") == 0)
2474 if (index == MAX_SERIAL_PORTS) {
2475 fprintf(stderr, "qemu: too many serial ports\n");
2478 snprintf(label, sizeof(label), "serial%d", index);
2479 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2480 if (!serial_hds[index]) {
2481 fprintf(stderr, "qemu: could not connect serial device"
2482 " to character backend '%s'\n", devname);
2489 static int parallel_parse(const char *devname)
2491 static int index = 0;
2494 if (strcmp(devname, "none") == 0)
2496 if (index == MAX_PARALLEL_PORTS) {
2497 fprintf(stderr, "qemu: too many parallel ports\n");
2500 snprintf(label, sizeof(label), "parallel%d", index);
2501 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!parallel_hds[index]) {
2503 fprintf(stderr, "qemu: could not connect parallel device"
2504 " to character backend '%s'\n", devname);
2511 static int virtcon_parse(const char *devname)
2513 QemuOptsList *device = qemu_find_opts("device");
2514 static int index = 0;
2516 QemuOpts *bus_opts, *dev_opts;
2518 if (strcmp(devname, "none") == 0)
2520 if (index == MAX_VIRTIO_CONSOLES) {
2521 fprintf(stderr, "qemu: too many virtio consoles\n");
2525 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 if (arch_type == QEMU_ARCH_S390X) {
2527 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2529 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2532 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2533 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2535 snprintf(label, sizeof(label), "virtcon%d", index);
2536 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2537 if (!virtcon_hds[index]) {
2538 fprintf(stderr, "qemu: could not connect virtio console"
2539 " to character backend '%s'\n", devname);
2542 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2548 static int sclp_parse(const char *devname)
2550 QemuOptsList *device = qemu_find_opts("device");
2551 static int index = 0;
2555 if (strcmp(devname, "none") == 0) {
2558 if (index == MAX_SCLP_CONSOLES) {
2559 fprintf(stderr, "qemu: too many sclp consoles\n");
2563 assert(arch_type == QEMU_ARCH_S390X);
2565 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2566 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2568 snprintf(label, sizeof(label), "sclpcon%d", index);
2569 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2570 if (!sclp_hds[index]) {
2571 fprintf(stderr, "qemu: could not connect sclp console"
2572 " to character backend '%s'\n", devname);
2575 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2581 static int debugcon_parse(const char *devname)
2585 if (!qemu_chr_new("debugcon", devname, NULL)) {
2588 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2590 fprintf(stderr, "qemu: already have a debugcon device\n");
2593 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2594 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2598 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2600 const MachineClass *mc1 = a, *mc2 = b;
2603 if (mc1->family == NULL) {
2604 if (mc2->family == NULL) {
2605 /* Compare standalone machine types against each other; they sort
2606 * in increasing order.
2608 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2609 object_class_get_name(OBJECT_CLASS(mc2)));
2612 /* Standalone machine types sort after families. */
2616 if (mc2->family == NULL) {
2617 /* Families sort before standalone machine types. */
2621 /* Families sort between each other alphabetically increasingly. */
2622 res = strcmp(mc1->family, mc2->family);
2627 /* Within the same family, machine types sort in decreasing order. */
2628 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2629 object_class_get_name(OBJECT_CLASS(mc1)));
2632 static MachineClass *machine_parse(const char *name)
2634 MachineClass *mc = NULL;
2635 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2638 mc = find_machine(name);
2641 g_slist_free(machines);
2644 if (name && !is_help_option(name)) {
2645 error_report("Unsupported machine type");
2646 error_printf("Use -machine help to list supported machines!\n");
2648 printf("Supported machines are:\n");
2649 machines = g_slist_sort(machines, machine_class_cmp);
2650 for (el = machines; el; el = el->next) {
2651 MachineClass *mc = el->data;
2653 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2655 printf("%-20s %s%s\n", mc->name, mc->desc,
2656 mc->is_default ? " (default)" : "");
2660 g_slist_free(machines);
2661 exit(!name || !is_help_option(name));
2664 void qemu_add_exit_notifier(Notifier *notify)
2666 notifier_list_add(&exit_notifiers, notify);
2669 void qemu_remove_exit_notifier(Notifier *notify)
2671 notifier_remove(notify);
2674 static void qemu_run_exit_notifiers(void)
2676 notifier_list_notify(&exit_notifiers, NULL);
2679 static bool machine_init_done;
2681 void qemu_add_machine_init_done_notifier(Notifier *notify)
2683 notifier_list_add(&machine_init_done_notifiers, notify);
2684 if (machine_init_done) {
2685 notify->notify(notify, NULL);
2689 static void qemu_run_machine_init_done_notifiers(void)
2691 notifier_list_notify(&machine_init_done_notifiers, NULL);
2692 machine_init_done = true;
2695 static const QEMUOption *lookup_opt(int argc, char **argv,
2696 const char **poptarg, int *poptind)
2698 const QEMUOption *popt;
2699 int optind = *poptind;
2700 char *r = argv[optind];
2703 loc_set_cmdline(argv, optind, 1);
2705 /* Treat --foo the same as -foo. */
2708 popt = qemu_options;
2711 error_report("invalid option");
2714 if (!strcmp(popt->name, r + 1))
2718 if (popt->flags & HAS_ARG) {
2719 if (optind >= argc) {
2720 error_report("requires an argument");
2723 optarg = argv[optind++];
2724 loc_set_cmdline(argv, optind - 2, 2);
2735 static gpointer malloc_and_trace(gsize n_bytes)
2737 void *ptr = malloc(n_bytes);
2738 trace_g_malloc(n_bytes, ptr);
2742 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2744 void *ptr = realloc(mem, n_bytes);
2745 trace_g_realloc(mem, n_bytes, ptr);
2749 static void free_and_trace(gpointer mem)
2755 static int machine_set_property(void *opaque,
2756 const char *name, const char *value,
2759 Object *obj = OBJECT(opaque);
2760 Error *local_err = NULL;
2763 if (strcmp(name, "type") == 0) {
2767 qom_name = g_strdup(name);
2775 object_property_parse(obj, value, qom_name, &local_err);
2779 error_report_err(local_err);
2788 * Initial object creation happens before all other
2789 * QEMU data types are created. The majority of objects
2790 * can be created at this point. The rng-egd object
2791 * cannot be created here, as it depends on the chardev
2794 static bool object_create_initial(const char *type)
2796 if (g_str_equal(type, "rng-egd")) {
2804 * The remainder of object creation happens after the
2805 * creation of chardev, fsdev and device data types.
2807 static bool object_create_delayed(const char *type)
2809 return !object_create_initial(type);
2813 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2821 bool (*type_predicate)(const char *) = opaque;
2823 ov = opts_visitor_new(opts);
2824 pdict = qemu_opts_to_qdict(opts, NULL);
2826 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2831 qdict_del(pdict, "qom-type");
2832 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2836 if (!type_predicate(type)) {
2840 qdict_del(pdict, "id");
2841 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2846 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2850 visit_end_struct(opts_get_visitor(ov), &err);
2852 qmp_object_del(id, NULL);
2856 opts_visitor_cleanup(ov);
2863 error_report_err(err);
2869 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2873 const char *mem_str;
2874 const char *maxmem_str, *slots_str;
2875 const ram_addr_t default_ram_size = mc->default_ram_size;
2876 QemuOpts *opts = qemu_find_opts_singleton("memory");
2879 mem_str = qemu_opt_get(opts, "size");
2882 error_report("missing 'size' option value");
2886 sz = qemu_opt_get_size(opts, "size", ram_size);
2888 /* Fix up legacy suffix-less format */
2889 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2890 uint64_t overflow_check = sz;
2893 if ((sz >> 20) != overflow_check) {
2894 error_report("too large 'size' option value");
2900 /* backward compatibility behaviour for case "-m 0" */
2902 sz = default_ram_size;
2905 sz = QEMU_ALIGN_UP(sz, 8192);
2907 if (ram_size != sz) {
2908 error_report("ram size too large");
2912 /* store value for the future use */
2913 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2914 *maxram_size = ram_size;
2916 maxmem_str = qemu_opt_get(opts, "maxmem");
2917 slots_str = qemu_opt_get(opts, "slots");
2918 if (maxmem_str && slots_str) {
2921 sz = qemu_opt_get_size(opts, "maxmem", 0);
2922 slots = qemu_opt_get_number(opts, "slots", 0);
2923 if (sz < ram_size) {
2924 error_report("invalid value of -m option maxmem: "
2925 "maximum memory size (0x%" PRIx64 ") must be at least "
2926 "the initial memory size (0x" RAM_ADDR_FMT ")",
2929 } else if (sz > ram_size) {
2931 error_report("invalid value of -m option: maxmem was "
2932 "specified, but no hotplug slots were specified");
2936 error_report("invalid value of -m option maxmem: "
2937 "memory slots were specified but maximum memory size "
2938 "(0x%" PRIx64 ") is equal to the initial memory size "
2939 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2945 } else if ((!maxmem_str && slots_str) ||
2946 (maxmem_str && !slots_str)) {
2947 error_report("invalid -m option value: missing "
2948 "'%s' option", slots_str ? "maxmem" : "slots");
2953 int main(int argc, char **argv, char **envp)
2956 int snapshot, linux_boot;
2957 const char *initrd_filename;
2958 const char *kernel_filename, *kernel_cmdline;
2959 const char *boot_order = NULL;
2960 const char *boot_once = NULL;
2962 int cyls, heads, secs, translation;
2963 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2964 QemuOptsList *olist;
2967 const char *loadvm = NULL;
2968 MachineClass *machine_class;
2969 const char *cpu_model;
2970 const char *vga_model = NULL;
2971 const char *qtest_chrdev = NULL;
2972 const char *qtest_log = NULL;
2973 const char *pid_file = NULL;
2974 const char *incoming = NULL;
2976 int show_vnc_port = 0;
2978 bool defconfig = true;
2979 bool userconfig = true;
2980 const char *log_mask = NULL;
2981 const char *log_file = NULL;
2982 GMemVTable mem_trace = {
2983 .malloc = malloc_and_trace,
2984 .realloc = realloc_and_trace,
2985 .free = free_and_trace,
2987 const char *trace_events = NULL;
2988 const char *trace_file = NULL;
2989 ram_addr_t maxram_size;
2990 uint64_t ram_slots = 0;
2991 FILE *vmstate_dump_file = NULL;
2992 Error *main_loop_err = NULL;
2995 qemu_init_cpu_loop();
2996 qemu_mutex_lock_iothread();
2998 atexit(qemu_run_exit_notifiers);
2999 error_set_progname(argv[0]);
3000 qemu_init_exec_dir(argv[0]);
3002 g_mem_set_vtable(&mem_trace);
3004 module_call_init(MODULE_INIT_QOM);
3006 qemu_add_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3008 qemu_add_drive_opts(&qemu_common_drive_opts);
3009 qemu_add_drive_opts(&qemu_drive_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_net_opts);
3014 qemu_add_opts(&qemu_rtc_opts);
3015 qemu_add_opts(&qemu_global_opts);
3016 qemu_add_opts(&qemu_mon_opts);
3017 qemu_add_opts(&qemu_trace_opts);
3018 qemu_add_opts(&qemu_option_rom_opts);
3019 qemu_add_opts(&qemu_machine_opts);
3020 qemu_add_opts(&qemu_mem_opts);
3021 qemu_add_opts(&qemu_smp_opts);
3022 qemu_add_opts(&qemu_boot_opts);
3023 qemu_add_opts(&qemu_sandbox_opts);
3024 qemu_add_opts(&qemu_add_fd_opts);
3025 qemu_add_opts(&qemu_object_opts);
3026 qemu_add_opts(&qemu_tpmdev_opts);
3027 qemu_add_opts(&qemu_realtime_opts);
3028 qemu_add_opts(&qemu_msg_opts);
3029 qemu_add_opts(&qemu_name_opts);
3030 qemu_add_opts(&qemu_numa_opts);
3031 qemu_add_opts(&qemu_icount_opts);
3032 qemu_add_opts(&qemu_semihosting_config_opts);
3033 qemu_add_opts(&qemu_fw_cfg_opts);
3037 if (qcrypto_init(&err) < 0) {
3038 fprintf(stderr, "Cannot initialize crypto: %s\n",
3039 error_get_pretty(err));
3042 rtc_clock = QEMU_CLOCK_HOST;
3044 QLIST_INIT (&vm_change_state_head);
3045 os_setup_early_signal_handling();
3047 module_call_init(MODULE_INIT_MACHINE);
3048 machine_class = find_default_machine();
3051 cyls = heads = secs = 0;
3052 translation = BIOS_ATA_TRANSLATION_AUTO;
3056 bdrv_init_with_whitelist();
3060 /* first pass of option parsing */
3062 while (optind < argc) {
3063 if (argv[optind][0] != '-') {
3067 const QEMUOption *popt;
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 switch (popt->index) {
3071 case QEMU_OPTION_nodefconfig:
3074 case QEMU_OPTION_nouserconfig:
3083 ret = qemu_read_default_config_files(userconfig);
3089 /* second pass of option parsing */
3094 if (argv[optind][0] != '-') {
3095 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3097 const QEMUOption *popt;
3099 popt = lookup_opt(argc, argv, &optarg, &optind);
3100 if (!(popt->arch_mask & arch_type)) {
3101 printf("Option %s not supported for this target\n", popt->name);
3104 switch(popt->index) {
3105 case QEMU_OPTION_no_kvm_irqchip: {
3106 olist = qemu_find_opts("machine");
3107 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3110 case QEMU_OPTION_cpu:
3111 /* hw initialization will check this */
3114 case QEMU_OPTION_hda:
3118 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3120 snprintf(buf, sizeof(buf),
3121 "%s,cyls=%d,heads=%d,secs=%d%s",
3122 HD_OPTS , cyls, heads, secs,
3123 translation == BIOS_ATA_TRANSLATION_LBA ?
3125 translation == BIOS_ATA_TRANSLATION_NONE ?
3126 ",trans=none" : "");
3127 drive_add(IF_DEFAULT, 0, optarg, buf);
3130 case QEMU_OPTION_hdb:
3131 case QEMU_OPTION_hdc:
3132 case QEMU_OPTION_hdd:
3133 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3136 case QEMU_OPTION_drive:
3137 if (drive_def(optarg) == NULL) {
3141 case QEMU_OPTION_set:
3142 if (qemu_set_option(optarg) != 0)
3145 case QEMU_OPTION_global:
3146 if (qemu_global_option(optarg) != 0)
3149 case QEMU_OPTION_mtdblock:
3150 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3152 case QEMU_OPTION_sd:
3153 drive_add(IF_SD, -1, optarg, SD_OPTS);
3155 case QEMU_OPTION_pflash:
3156 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3158 case QEMU_OPTION_snapshot:
3161 case QEMU_OPTION_hdachs:
3165 cyls = strtol(p, (char **)&p, 0);
3166 if (cyls < 1 || cyls > 16383)
3171 heads = strtol(p, (char **)&p, 0);
3172 if (heads < 1 || heads > 16)
3177 secs = strtol(p, (char **)&p, 0);
3178 if (secs < 1 || secs > 63)
3182 if (!strcmp(p, "large")) {
3183 translation = BIOS_ATA_TRANSLATION_LARGE;
3184 } else if (!strcmp(p, "rechs")) {
3185 translation = BIOS_ATA_TRANSLATION_RECHS;
3186 } else if (!strcmp(p, "none")) {
3187 translation = BIOS_ATA_TRANSLATION_NONE;
3188 } else if (!strcmp(p, "lba")) {
3189 translation = BIOS_ATA_TRANSLATION_LBA;
3190 } else if (!strcmp(p, "auto")) {
3191 translation = BIOS_ATA_TRANSLATION_AUTO;
3195 } else if (*p != '\0') {
3197 fprintf(stderr, "qemu: invalid physical CHS format\n");
3200 if (hda_opts != NULL) {
3201 qemu_opt_set_number(hda_opts, "cyls", cyls,
3203 qemu_opt_set_number(hda_opts, "heads", heads,
3205 qemu_opt_set_number(hda_opts, "secs", secs,
3207 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3208 qemu_opt_set(hda_opts, "trans", "large",
3210 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3211 qemu_opt_set(hda_opts, "trans", "rechs",
3213 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3214 qemu_opt_set(hda_opts, "trans", "lba",
3216 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3217 qemu_opt_set(hda_opts, "trans", "none",
3223 case QEMU_OPTION_numa:
3224 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3230 case QEMU_OPTION_display:
3231 display_type = select_display(optarg);
3233 case QEMU_OPTION_nographic:
3234 display_type = DT_NOGRAPHIC;
3236 case QEMU_OPTION_curses:
3237 #ifdef CONFIG_CURSES
3238 display_type = DT_CURSES;
3240 fprintf(stderr, "Curses support is disabled\n");
3244 case QEMU_OPTION_portrait:
3245 graphic_rotate = 90;
3247 case QEMU_OPTION_rotate:
3248 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3249 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3250 graphic_rotate != 180 && graphic_rotate != 270) {
3252 "qemu: only 90, 180, 270 deg rotation is available\n");
3256 case QEMU_OPTION_kernel:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3260 case QEMU_OPTION_initrd:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3264 case QEMU_OPTION_append:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3268 case QEMU_OPTION_dtb:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3272 case QEMU_OPTION_cdrom:
3273 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3275 case QEMU_OPTION_boot:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3282 case QEMU_OPTION_fda:
3283 case QEMU_OPTION_fdb:
3284 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3287 case QEMU_OPTION_no_fd_bootchk:
3290 case QEMU_OPTION_netdev:
3291 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3295 case QEMU_OPTION_net:
3296 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3300 #ifdef CONFIG_LIBISCSI
3301 case QEMU_OPTION_iscsi:
3302 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3310 case QEMU_OPTION_tftp:
3311 legacy_tftp_prefix = optarg;
3313 case QEMU_OPTION_bootp:
3314 legacy_bootp_filename = optarg;
3316 case QEMU_OPTION_redir:
3317 if (net_slirp_redir(optarg) < 0)
3321 case QEMU_OPTION_bt:
3322 add_device_config(DEV_BT, optarg);
3324 case QEMU_OPTION_audio_help:
3328 case QEMU_OPTION_soundhw:
3329 select_soundhw (optarg);
3334 case QEMU_OPTION_version:
3339 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3346 case QEMU_OPTION_tpmdev:
3347 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3352 case QEMU_OPTION_mempath:
3355 case QEMU_OPTION_mem_prealloc:
3365 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3367 case QEMU_OPTION_gdb:
3368 add_device_config(DEV_GDB, optarg);
3371 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3372 data_dir[data_dir_idx++] = optarg;
3375 case QEMU_OPTION_bios:
3376 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3379 case QEMU_OPTION_singlestep:
3386 keyboard_layout = optarg;
3388 case QEMU_OPTION_localtime:
3391 case QEMU_OPTION_vga:
3400 w = strtol(p, (char **)&p, 10);
3403 fprintf(stderr, "qemu: invalid resolution or depth\n");
3409 h = strtol(p, (char **)&p, 10);
3414 depth = strtol(p, (char **)&p, 10);
3415 if (depth != 8 && depth != 15 && depth != 16 &&
3416 depth != 24 && depth != 32)
3418 } else if (*p == '\0') {
3419 depth = graphic_depth;
3426 graphic_depth = depth;
3429 case QEMU_OPTION_echr:
3432 term_escape_char = strtol(optarg, &r, 0);
3434 printf("Bad argument to echr\n");
3437 case QEMU_OPTION_monitor:
3438 default_monitor = 0;
3439 if (strncmp(optarg, "none", 4)) {
3440 monitor_parse(optarg, "readline", false);
3443 case QEMU_OPTION_qmp:
3444 monitor_parse(optarg, "control", false);
3445 default_monitor = 0;
3447 case QEMU_OPTION_qmp_pretty:
3448 monitor_parse(optarg, "control", true);
3449 default_monitor = 0;
3451 case QEMU_OPTION_mon:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3457 default_monitor = 0;
3459 case QEMU_OPTION_chardev:
3460 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3466 case QEMU_OPTION_fsdev:
3467 olist = qemu_find_opts("fsdev");
3469 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3477 case QEMU_OPTION_virtfs: {
3480 const char *writeout, *sock_fd, *socket;
3482 olist = qemu_find_opts("virtfs");
3484 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3487 opts = qemu_opts_parse_noisily(olist, optarg, true);
3492 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3493 qemu_opt_get(opts, "mount_tag") == NULL) {
3494 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3497 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3498 qemu_opt_get(opts, "mount_tag"),
3501 fprintf(stderr, "duplicate fsdev id: %s\n",
3502 qemu_opt_get(opts, "mount_tag"));
3506 writeout = qemu_opt_get(opts, "writeout");
3508 #ifdef CONFIG_SYNC_FILE_RANGE
3509 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3511 fprintf(stderr, "writeout=immediate not supported on "
3516 qemu_opt_set(fsdev, "fsdriver",
3517 qemu_opt_get(opts, "fsdriver"), &error_abort);
3518 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3520 qemu_opt_set(fsdev, "security_model",
3521 qemu_opt_get(opts, "security_model"),
3523 socket = qemu_opt_get(opts, "socket");
3525 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3527 sock_fd = qemu_opt_get(opts, "sock_fd");
3529 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3532 qemu_opt_set_bool(fsdev, "readonly",
3533 qemu_opt_get_bool(opts, "readonly", 0),
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev",
3539 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 qemu_opt_set(device, "mount_tag",
3541 qemu_opt_get(opts, "mount_tag"), &error_abort);
3544 case QEMU_OPTION_virtfs_synth: {
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3551 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3554 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3558 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3559 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3560 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3570 case QEMU_OPTION_watchdog:
3573 "qemu: only one watchdog option may be given\n");
3578 case QEMU_OPTION_watchdog_action:
3579 if (select_watchdog_action(optarg) == -1) {
3580 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3584 case QEMU_OPTION_virtiocon:
3585 add_device_config(DEV_VIRTCON, optarg);
3586 default_virtcon = 0;
3587 if (strncmp(optarg, "mon:", 4) == 0) {
3588 default_monitor = 0;
3591 case QEMU_OPTION_parallel:
3592 add_device_config(DEV_PARALLEL, optarg);
3593 default_parallel = 0;
3594 if (strncmp(optarg, "mon:", 4) == 0) {
3595 default_monitor = 0;
3598 case QEMU_OPTION_debugcon:
3599 add_device_config(DEV_DEBUGCON, optarg);
3601 case QEMU_OPTION_loadvm:
3604 case QEMU_OPTION_full_screen:
3607 case QEMU_OPTION_no_frame:
3610 case QEMU_OPTION_alt_grab:
3613 case QEMU_OPTION_ctrl_grab:
3616 case QEMU_OPTION_no_quit:
3619 case QEMU_OPTION_sdl:
3621 display_type = DT_SDL;
3624 fprintf(stderr, "SDL support is disabled\n");
3627 case QEMU_OPTION_pidfile:
3630 case QEMU_OPTION_win2k_hack:
3631 win2k_install_hack = 1;
3633 case QEMU_OPTION_rtc_td_hack: {
3634 static GlobalProperty slew_lost_ticks[] = {
3636 .driver = "mc146818rtc",
3637 .property = "lost_tick_policy",
3640 { /* end of list */ }
3643 qdev_prop_register_global_list(slew_lost_ticks);
3646 case QEMU_OPTION_acpitable:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3652 do_acpitable_option(opts);
3654 case QEMU_OPTION_smbios:
3655 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3660 do_smbios_option(opts);
3662 case QEMU_OPTION_fwcfg:
3663 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3669 case QEMU_OPTION_enable_kvm:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3674 case QEMU_OPTION_machine:
3675 olist = qemu_find_opts("machine");
3676 opts = qemu_opts_parse_noisily(olist, optarg, true);
3681 case QEMU_OPTION_no_kvm:
3682 olist = qemu_find_opts("machine");
3683 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3685 case QEMU_OPTION_no_kvm_pit: {
3686 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3690 case QEMU_OPTION_no_kvm_pit_reinjection: {
3691 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3693 .driver = "kvm-pit",
3694 .property = "lost_tick_policy",
3697 { /* end of list */ }
3700 fprintf(stderr, "Warning: option deprecated, use "
3701 "lost_tick_policy property of kvm-pit instead.\n");
3702 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3705 case QEMU_OPTION_usb:
3706 olist = qemu_find_opts("machine");
3707 qemu_opts_parse_noisily(olist, "usb=on", false);
3709 case QEMU_OPTION_usbdevice:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "usb=on", false);
3712 add_device_config(DEV_USB, optarg);
3714 case QEMU_OPTION_device:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3720 case QEMU_OPTION_smp:
3721 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3726 case QEMU_OPTION_vnc:
3729 Error *local_err = NULL;
3731 if (vnc_parse(optarg, &local_err) == NULL) {
3732 error_report_err(local_err);
3736 fprintf(stderr, "VNC support is disabled\n");
3741 case QEMU_OPTION_no_acpi:
3744 case QEMU_OPTION_no_hpet:
3747 case QEMU_OPTION_balloon:
3748 if (balloon_parse(optarg) < 0) {
3749 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3753 case QEMU_OPTION_no_reboot:
3756 case QEMU_OPTION_no_shutdown:
3759 case QEMU_OPTION_show_cursor:
3762 case QEMU_OPTION_uuid:
3763 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3764 fprintf(stderr, "Fail to parse UUID string."
3765 " Wrong format.\n");
3768 qemu_uuid_set = true;
3770 case QEMU_OPTION_option_rom:
3771 if (nb_option_roms >= MAX_OPTION_ROMS) {
3772 fprintf(stderr, "Too many option ROMs\n");
3775 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3780 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3781 option_rom[nb_option_roms].bootindex =
3782 qemu_opt_get_number(opts, "bootindex", -1);
3783 if (!option_rom[nb_option_roms].name) {
3784 fprintf(stderr, "Option ROM file is not specified\n");
3789 case QEMU_OPTION_semihosting:
3790 semihosting.enabled = true;
3791 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3793 case QEMU_OPTION_semihosting_config:
3794 semihosting.enabled = true;
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3798 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3800 const char *target = qemu_opt_get(opts, "target");
3801 if (target != NULL) {
3802 if (strcmp("native", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3804 } else if (strcmp("gdb", target) == 0) {
3805 semihosting.target = SEMIHOSTING_TARGET_GDB;
3806 } else if (strcmp("auto", target) == 0) {
3807 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3809 fprintf(stderr, "Unsupported semihosting-config"
3815 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3817 /* Set semihosting argument count and vector */
3818 qemu_opt_foreach(opts, add_semihosting_arg,
3819 &semihosting, NULL);
3821 fprintf(stderr, "Unsupported semihosting-config %s\n",
3826 case QEMU_OPTION_tdf:
3827 fprintf(stderr, "Warning: user space PIT time drift fix "
3828 "is no longer supported.\n");
3830 case QEMU_OPTION_name:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3837 case QEMU_OPTION_prom_env:
3838 if (nb_prom_envs >= MAX_PROM_ENVS) {
3839 fprintf(stderr, "Too many prom variables\n");
3842 prom_envs[nb_prom_envs] = optarg;
3845 case QEMU_OPTION_old_param:
3848 case QEMU_OPTION_clock:
3849 /* Clock options no longer exist. Keep this option for
3850 * backward compatibility.
3853 case QEMU_OPTION_startdate:
3854 configure_rtc_date_offset(optarg, 1);
3856 case QEMU_OPTION_rtc:
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3862 configure_rtc(opts);
3864 case QEMU_OPTION_tb_size:
3865 tcg_tb_size = strtol(optarg, NULL, 0);
3866 if (tcg_tb_size < 0) {
3870 case QEMU_OPTION_icount:
3871 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3877 case QEMU_OPTION_incoming:
3879 runstate_set(RUN_STATE_INMIGRATE);
3883 case QEMU_OPTION_nodefaults:
3886 case QEMU_OPTION_xen_domid:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3891 xen_domid = atoi(optarg);
3893 case QEMU_OPTION_xen_create:
3894 if (!(xen_available())) {
3895 printf("Option %s not supported for this target\n", popt->name);
3898 xen_mode = XEN_CREATE;
3900 case QEMU_OPTION_xen_attach:
3901 if (!(xen_available())) {
3902 printf("Option %s not supported for this target\n", popt->name);
3905 xen_mode = XEN_ATTACH;
3907 case QEMU_OPTION_trace:
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3914 trace_events = qemu_opt_get(opts, "events");
3915 trace_file = qemu_opt_get(opts, "file");
3918 case QEMU_OPTION_readconfig:
3920 int ret = qemu_read_config_file(optarg);
3922 fprintf(stderr, "read config %s: %s\n", optarg,
3928 case QEMU_OPTION_spice:
3929 olist = qemu_find_opts("spice");
3931 fprintf(stderr, "spice is not supported by this qemu build.\n");
3934 opts = qemu_opts_parse_noisily(olist, optarg, false);
3940 case QEMU_OPTION_writeconfig:
3943 if (strcmp(optarg, "-") == 0) {
3946 fp = fopen(optarg, "w");
3948 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3952 qemu_config_write(fp);
3958 case QEMU_OPTION_qtest:
3959 qtest_chrdev = optarg;
3961 case QEMU_OPTION_qtest_log:
3964 case QEMU_OPTION_sandbox:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3971 case QEMU_OPTION_add_fd:
3973 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3979 error_report("File descriptor passing is disabled on this "
3984 case QEMU_OPTION_object:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3991 case QEMU_OPTION_realtime:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3997 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3999 case QEMU_OPTION_msg:
4000 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4005 configure_msg(opts);
4007 case QEMU_OPTION_dump_vmstate:
4008 if (vmstate_dump_file) {
4009 fprintf(stderr, "qemu: only one '-dump-vmstate' "
4010 "option may be given\n");
4013 vmstate_dump_file = fopen(optarg, "w");
4014 if (vmstate_dump_file == NULL) {
4015 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4020 os_parse_cmd_args(popt->index, optarg);
4025 opts = qemu_get_machine_opts();
4026 optarg = qemu_opt_get(opts, "type");
4028 machine_class = machine_parse(optarg);
4031 if (machine_class == NULL) {
4032 fprintf(stderr, "No machine specified, and there is no default.\n"
4033 "Use -machine help to list supported machines!\n");
4037 set_memory_options(&ram_slots, &maxram_size, machine_class);
4043 if (qemu_init_main_loop(&main_loop_err)) {
4044 error_report_err(main_loop_err);
4048 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4049 parse_sandbox, NULL, NULL)) {
4053 if (qemu_opts_foreach(qemu_find_opts("name"),
4054 parse_name, NULL, NULL)) {
4059 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4060 parse_add_fd, NULL, NULL)) {
4064 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4065 cleanup_add_fd, NULL, NULL)) {
4070 current_machine = MACHINE(object_new(object_class_get_name(
4071 OBJECT_CLASS(machine_class))));
4072 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4075 object_property_add_child(object_get_root(), "machine",
4076 OBJECT(current_machine), &error_abort);
4077 cpu_exec_init_all();
4079 if (machine_class->hw_version) {
4080 qemu_set_version(machine_class->hw_version);
4083 /* Init CPU def lists, based on config
4084 * - Must be called after all the qemu_read_config_file() calls
4085 * - Must be called before list_cpus()
4086 * - Must be called before machine->init()
4090 if (cpu_model && is_help_option(cpu_model)) {
4091 list_cpus(stdout, &fprintf, cpu_model);
4095 /* Open the logfile at this point and set the log mask if necessary.
4098 qemu_set_log_filename(log_file);
4103 mask = qemu_str_to_log_mask(log_mask);
4105 qemu_print_log_usage(stdout);
4111 if (!is_daemonized()) {
4112 if (!trace_init_backends(trace_events, trace_file)) {
4117 /* If no data_dir is specified then try to find it relative to the
4119 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4120 data_dir[data_dir_idx] = os_find_datadir();
4121 if (data_dir[data_dir_idx] != NULL) {
4125 /* If all else fails use the install path specified when building. */
4126 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4127 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4130 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4132 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4133 if (max_cpus > machine_class->max_cpus) {
4134 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4135 "supported by machine `%s' (%d)\n", max_cpus,
4136 machine_class->name, machine_class->max_cpus);
4141 * Get the default machine options from the machine if it is not already
4142 * specified either by the configuration file or by the command line.
4144 if (machine_class->default_machine_opts) {
4145 qemu_opts_set_defaults(qemu_find_opts("machine"),
4146 machine_class->default_machine_opts, 0);
4149 qemu_opts_foreach(qemu_find_opts("device"),
4150 default_driver_check, NULL, NULL);
4151 qemu_opts_foreach(qemu_find_opts("global"),
4152 default_driver_check, NULL, NULL);
4154 if (!vga_model && !default_vga) {
4155 vga_interface_type = VGA_DEVICE;
4157 if (!has_defaults || machine_class->no_serial) {
4160 if (!has_defaults || machine_class->no_parallel) {
4161 default_parallel = 0;
4163 if (!has_defaults || !machine_class->use_virtcon) {
4164 default_virtcon = 0;
4166 if (!has_defaults || !machine_class->use_sclp) {
4169 if (!has_defaults || machine_class->no_floppy) {
4172 if (!has_defaults || machine_class->no_cdrom) {
4175 if (!has_defaults || machine_class->no_sdcard) {
4178 if (!has_defaults) {
4179 default_monitor = 0;
4184 if (is_daemonized()) {
4185 /* According to documentation and historically, -nographic redirects
4186 * serial port, parallel port and monitor to stdio, which does not work
4187 * with -daemonize. We can redirect these to null instead, but since
4188 * -nographic is legacy, let's just error out.
4189 * We disallow -nographic only if all other ports are not redirected
4190 * explicitly, to not break existing legacy setups which uses
4191 * -nographic _and_ redirects all ports explicitly - this is valid
4192 * usage, -nographic is just a no-op in this case.
4194 if (display_type == DT_NOGRAPHIC
4195 && (default_parallel || default_serial
4196 || default_monitor || default_virtcon)) {
4197 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4200 #ifdef CONFIG_CURSES
4201 if (display_type == DT_CURSES) {
4202 fprintf(stderr, "curses display can not be used with -daemonize\n");
4208 if (display_type == DT_NOGRAPHIC) {
4209 if (default_parallel)
4210 add_device_config(DEV_PARALLEL, "null");
4211 if (default_serial && default_monitor) {
4212 add_device_config(DEV_SERIAL, "mon:stdio");
4213 } else if (default_virtcon && default_monitor) {
4214 add_device_config(DEV_VIRTCON, "mon:stdio");
4215 } else if (default_sclp && default_monitor) {
4216 add_device_config(DEV_SCLP, "mon:stdio");
4219 add_device_config(DEV_SERIAL, "stdio");
4220 if (default_virtcon)
4221 add_device_config(DEV_VIRTCON, "stdio");
4223 add_device_config(DEV_SCLP, "stdio");
4225 if (default_monitor)
4226 monitor_parse("stdio", "readline", false);
4230 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4231 if (default_parallel)
4232 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4233 if (default_monitor)
4234 monitor_parse("vc:80Cx24C", "readline", false);
4235 if (default_virtcon)
4236 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4238 add_device_config(DEV_SCLP, "vc:80Cx24C");
4242 #if defined(CONFIG_VNC)
4243 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4247 if (display_type == DT_DEFAULT && !display_remote) {
4248 #if defined(CONFIG_GTK)
4249 display_type = DT_GTK;
4250 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4251 display_type = DT_SDL;
4252 #elif defined(CONFIG_VNC)
4253 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4256 display_type = DT_NONE;
4260 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4261 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4262 "for SDL, ignoring option\n");
4264 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4265 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4266 "ignoring option\n");
4269 #if defined(CONFIG_GTK)
4270 if (display_type == DT_GTK) {
4271 early_gtk_display_init(request_opengl);
4274 #if defined(CONFIG_SDL)
4275 if (display_type == DT_SDL) {
4276 sdl_display_early_init(request_opengl);
4279 if (request_opengl == 1 && display_opengl == 0) {
4280 #if defined(CONFIG_OPENGL)
4281 fprintf(stderr, "OpenGL is not supported by the display.\n");
4283 fprintf(stderr, "QEMU was built without opengl support.\n");
4290 if (qemu_opts_foreach(qemu_find_opts("object"),
4292 object_create_initial, NULL)) {
4296 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4297 chardev_init_func, NULL, NULL)) {
4301 #ifdef CONFIG_VIRTFS
4302 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4303 fsdev_init_func, NULL, NULL)) {
4308 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4309 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4313 if (qemu_opts_foreach(qemu_find_opts("device"),
4314 device_help_func, NULL, NULL)) {
4318 if (qemu_opts_foreach(qemu_find_opts("object"),
4320 object_create_delayed, NULL)) {
4324 machine_opts = qemu_get_machine_opts();
4325 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4327 object_unref(OBJECT(current_machine));
4331 configure_accelerator(current_machine);
4334 Error *local_err = NULL;
4335 qtest_init(qtest_chrdev, qtest_log, &local_err);
4337 error_report_err(local_err);
4342 machine_opts = qemu_get_machine_opts();
4343 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4344 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4345 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4346 bios_name = qemu_opt_get(machine_opts, "firmware");
4348 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4350 Error *local_err = NULL;
4352 boot_order = qemu_opt_get(opts, "order");
4354 validate_bootdevices(boot_order, &local_err);
4356 error_report_err(local_err);
4361 boot_once = qemu_opt_get(opts, "once");
4363 validate_bootdevices(boot_once, &local_err);
4365 error_report_err(local_err);
4370 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4371 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4375 boot_order = machine_class->default_boot_order;
4378 if (!kernel_cmdline) {
4379 kernel_cmdline = "";
4380 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4383 linux_boot = (kernel_filename != NULL);
4385 if (!linux_boot && *kernel_cmdline != '\0') {
4386 fprintf(stderr, "-append only allowed with -kernel option\n");
4390 if (!linux_boot && initrd_filename != NULL) {
4391 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4395 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4396 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4400 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4401 /* fall back to the -kernel/-append */
4402 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4405 os_set_line_buffering();
4408 /* spice needs the timers to be initialized by this point */
4414 if (kvm_enabled() || xen_enabled()) {
4415 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4418 configure_icount(icount_opts, &error_abort);
4419 qemu_opts_del(icount_opts);
4422 /* clean up network at qemu process termination */
4423 atexit(&net_cleanup);
4425 if (net_init_clients() < 0) {
4430 if (tpm_init() < 0) {
4435 /* init the bluetooth world */
4436 if (foreach_device_config(DEV_BT, bt_parse))
4439 if (!xen_enabled()) {
4440 /* On 32-bit hosts, QEMU is limited by virtual address space */
4441 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4442 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4450 /* If the currently selected machine wishes to override the units-per-bus
4451 * property of its default HBA interface type, do so now. */
4452 if (machine_class->units_per_default_bus) {
4453 override_max_devs(machine_class->block_default_type,
4454 machine_class->units_per_default_bus);
4457 /* open the virtual block devices */
4459 qemu_opts_foreach(qemu_find_opts("drive"),
4460 drive_enable_snapshot, NULL, NULL);
4461 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4462 &machine_class->block_default_type, NULL)) {
4466 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4468 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4469 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4471 parse_numa_opts(machine_class);
4473 if (qemu_opts_foreach(qemu_find_opts("mon"),
4474 mon_init_func, NULL, NULL)) {
4478 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4480 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4482 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4484 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4487 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4490 /* If no default VGA is requested, the default is "none". */
4492 if (machine_class->default_display) {
4493 vga_model = machine_class->default_display;
4494 } else if (cirrus_vga_available()) {
4495 vga_model = "cirrus";
4496 } else if (vga_available()) {
4501 select_vgahw(vga_model);
4505 i = select_watchdog(watchdog);
4507 exit (i == 1 ? 1 : 0);
4510 if (machine_class->compat_props) {
4511 qdev_prop_register_global_list(machine_class->compat_props);
4515 qdev_machine_init();
4517 current_machine->ram_size = ram_size;
4518 current_machine->maxram_size = maxram_size;
4519 current_machine->ram_slots = ram_slots;
4520 current_machine->boot_order = boot_order;
4521 current_machine->cpu_model = cpu_model;
4523 machine_class->init(current_machine);
4529 cpu_synchronize_all_post_init();
4531 numa_post_machine_init();
4533 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4534 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4538 /* init USB devices */
4539 if (usb_enabled()) {
4540 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4544 /* Check if IGD GFX passthrough. */
4547 /* init generic devices */
4548 if (qemu_opts_foreach(qemu_find_opts("device"),
4549 device_init_func, NULL, NULL)) {
4553 /* Did we create any drives that we failed to create a device for? */
4554 drive_check_orphaned();
4556 net_check_clients();
4559 Error *local_err = NULL;
4560 qemu_boot_set(boot_once, &local_err);
4562 error_report("%s", error_get_pretty(local_err));
4565 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4568 ds = init_displaystate();
4570 /* init local displays */
4571 switch (display_type) {
4573 (void)ds; /* avoid warning if no display is configured */
4575 #if defined(CONFIG_CURSES)
4577 curses_display_init(ds, full_screen);
4580 #if defined(CONFIG_SDL)
4582 sdl_display_init(ds, full_screen, no_frame);
4584 #elif defined(CONFIG_COCOA)
4586 cocoa_display_init(ds, full_screen);
4589 #if defined(CONFIG_GTK)
4591 gtk_display_init(ds, full_screen, grab_on_hover);
4598 /* must be after terminal init, SDL library changes signal handlers */
4599 os_setup_signal_handling();
4602 /* init remote displays */
4603 qemu_opts_foreach(qemu_find_opts("vnc"),
4604 vnc_init_func, NULL, NULL);
4605 if (show_vnc_port) {
4606 char *ret = vnc_display_local_addr("default");
4607 printf("VNC server running on `%s'\n", ret);
4613 qemu_spice_display_init();
4617 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4621 qdev_machine_creation_done();
4623 /* TODO: once all bus devices are qdevified, this should be done
4624 * when bus is created by qdev.c */
4625 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4626 qemu_run_machine_init_done_notifiers();
4628 if (rom_check_and_register_reset() != 0) {
4629 fprintf(stderr, "rom check and register reset failed\n");
4633 qemu_system_reset(VMRESET_SILENT);
4634 register_global_state();
4636 if (load_vmstate(loadvm) < 0) {
4641 qdev_prop_check_globals();
4642 if (vmstate_dump_file) {
4644 dump_vmstate_json_to_file(vmstate_dump_file);
4649 Error *local_err = NULL;
4650 qemu_start_incoming_migration(incoming, &local_err);
4652 error_report("-incoming %s: %s", incoming,
4653 error_get_pretty(local_err));
4654 error_free(local_err);
4657 } else if (autostart) {
4663 if (is_daemonized()) {
4664 if (!trace_init_backends(trace_events, trace_file)) {