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/sockets.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
101 #include "fsdev/qemu-fsdev.h"
103 #include "sysemu/qtest.h"
105 #include "disas/disas.h"
108 #include "slirp/libslirp.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
123 #define DEFAULT_RAM_SIZE 128
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
134 static int display_remote;
135 const char* keyboard_layout = NULL;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
141 NICInfo nd_table[MAX_NICS];
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
151 static bool grab_on_hover;
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
163 int acpi_enabled = 1;
166 static int no_reboot;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int semihosting_enabled = 0;
175 const char *qemu_name;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
186 int icount_align_option;
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 uint8_t qemu_uuid[16];
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202 enum xen_mode xen_mode = XEN_EMULATE;
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
237 static QemuOptsList qemu_rtc_opts = {
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .type = QEMU_OPT_STRING,
246 .type = QEMU_OPT_STRING,
249 .type = QEMU_OPT_STRING,
251 { /* end of list */ }
255 static QemuOptsList qemu_sandbox_opts = {
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
262 .type = QEMU_OPT_BOOL,
264 { /* end of list */ }
268 static QemuOptsList qemu_trace_opts = {
270 .implied_opt_name = "trace",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
275 .type = QEMU_OPT_STRING,
278 .type = QEMU_OPT_STRING,
280 { /* end of list */ }
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
291 .type = QEMU_OPT_NUMBER,
294 .type = QEMU_OPT_STRING,
296 { /* end of list */ }
300 static QemuOptsList qemu_machine_opts = {
302 .implied_opt_name = "type",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
315 static QemuOptsList qemu_boot_opts = {
317 .implied_opt_name = "order",
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
323 .type = QEMU_OPT_STRING,
326 .type = QEMU_OPT_STRING,
329 .type = QEMU_OPT_BOOL,
332 .type = QEMU_OPT_STRING,
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
341 .type = QEMU_OPT_BOOL,
347 static QemuOptsList qemu_add_fd_opts = {
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
364 { /* end of list */ }
368 static QemuOptsList qemu_object_opts = {
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 static QemuOptsList qemu_tpmdev_opts = {
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
387 static QemuOptsList qemu_realtime_opts = {
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
393 .type = QEMU_OPT_BOOL,
395 { /* end of list */ }
399 static QemuOptsList qemu_msg_opts = {
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
405 .type = QEMU_OPT_BOOL,
407 { /* end of list */ }
411 static QemuOptsList qemu_name_opts = {
413 .implied_opt_name = "guest",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
434 { /* End of list */ }
438 static QemuOptsList qemu_mem_opts = {
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .type = QEMU_OPT_SIZE,
450 .type = QEMU_OPT_NUMBER,
454 .type = QEMU_OPT_SIZE,
456 { /* end of list */ }
460 static QemuOptsList qemu_icount_opts = {
462 .implied_opt_name = "shift",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
468 .type = QEMU_OPT_STRING,
471 .type = QEMU_OPT_BOOL,
473 { /* end of list */ }
477 static QemuOptsList qemu_semihosting_config_opts = {
478 .name = "semihosting-config",
479 .implied_opt_name = "enable",
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
484 .type = QEMU_OPT_BOOL,
487 .type = QEMU_OPT_STRING,
489 { /* end of list */ }
494 * Get machine options
496 * Returns: machine options (never null).
498 QemuOpts *qemu_get_machine_opts(void)
500 return qemu_find_opts_singleton("machine");
503 const char *qemu_get_vm_name(void)
508 static void res_free(void)
510 if (boot_splash_filedata != NULL) {
511 g_free(boot_splash_filedata);
512 boot_splash_filedata = NULL;
516 static int default_driver_check(QemuOpts *opts, void *opaque)
518 const char *driver = qemu_opt_get(opts, "driver");
523 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
524 if (strcmp(default_list[i].driver, driver) != 0)
526 *(default_list[i].flag) = 0;
531 /***********************************************************/
534 static RunState current_run_state = RUN_STATE_PRELAUNCH;
536 /* We use RUN_STATE_MAX but any invalid value will do */
537 static RunState vmstop_requested = RUN_STATE_MAX;
538 static QemuMutex vmstop_lock;
543 } RunStateTransition;
545 static const RunStateTransition runstate_transitions_def[] = {
547 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
548 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
550 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
551 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
554 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
556 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
557 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
559 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
560 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
563 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
565 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
567 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
570 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
572 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
574 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
575 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
577 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
578 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
579 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
581 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
582 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
583 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
585 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
587 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
588 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
591 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
592 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
593 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
596 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
599 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_MAX, RUN_STATE_MAX },
604 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
606 bool runstate_check(RunState state)
608 return current_run_state == state;
611 static void runstate_init(void)
613 const RunStateTransition *p;
615 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
616 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
617 runstate_valid_transitions[p->from][p->to] = true;
620 qemu_mutex_init(&vmstop_lock);
623 /* This function will abort() on invalid state transitions */
624 void runstate_set(RunState new_state)
626 assert(new_state < RUN_STATE_MAX);
628 if (!runstate_valid_transitions[current_run_state][new_state]) {
629 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
630 RunState_lookup[current_run_state],
631 RunState_lookup[new_state]);
634 trace_runstate_set(new_state);
635 current_run_state = new_state;
638 int runstate_is_running(void)
640 return runstate_check(RUN_STATE_RUNNING);
643 bool runstate_needs_reset(void)
645 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
646 runstate_check(RUN_STATE_SHUTDOWN);
649 StatusInfo *qmp_query_status(Error **errp)
651 StatusInfo *info = g_malloc0(sizeof(*info));
653 info->running = runstate_is_running();
654 info->singlestep = singlestep;
655 info->status = current_run_state;
660 static bool qemu_vmstop_requested(RunState *r)
662 qemu_mutex_lock(&vmstop_lock);
663 *r = vmstop_requested;
664 vmstop_requested = RUN_STATE_MAX;
665 qemu_mutex_unlock(&vmstop_lock);
666 return *r < RUN_STATE_MAX;
669 void qemu_system_vmstop_request_prepare(void)
671 qemu_mutex_lock(&vmstop_lock);
674 void qemu_system_vmstop_request(RunState state)
676 vmstop_requested = state;
677 qemu_mutex_unlock(&vmstop_lock);
685 qemu_vmstop_requested(&requested);
686 if (runstate_is_running() && requested == RUN_STATE_MAX) {
690 /* Ensure that a STOP/RESUME pair of events is emitted if a
691 * vmstop request was pending. The BLOCK_IO_ERROR event, for
692 * example, according to documentation is always followed by
695 if (runstate_is_running()) {
696 qapi_event_send_stop(&error_abort);
699 runstate_set(RUN_STATE_RUNNING);
700 vm_state_notify(1, RUN_STATE_RUNNING);
704 qapi_event_send_resume(&error_abort);
708 /***********************************************************/
709 /* real time host monotonic timer */
711 static time_t qemu_time(void)
713 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
720 time_t ti = qemu_time();
723 if (rtc_date_offset == -1) {
727 localtime_r(&ti, tm);
729 ti -= rtc_date_offset;
734 int qemu_timedate_diff(struct tm *tm)
738 if (rtc_date_offset == -1)
740 seconds = mktimegm(tm);
743 tmp.tm_isdst = -1; /* use timezone to figure it out */
744 seconds = mktime(&tmp);
747 seconds = mktimegm(tm) + rtc_date_offset;
749 return seconds - qemu_time();
752 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 time_t rtc_start_date;
757 if (!strcmp(startdate, "now") && legacy) {
758 rtc_date_offset = -1;
760 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
768 } else if (sscanf(startdate, "%d-%d-%d",
780 rtc_start_date = mktimegm(&tm);
781 if (rtc_start_date == -1) {
783 fprintf(stderr, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
787 rtc_date_offset = qemu_time() - rtc_start_date;
791 static void configure_rtc(QemuOpts *opts)
795 value = qemu_opt_get(opts, "base");
797 if (!strcmp(value, "utc")) {
799 } else if (!strcmp(value, "localtime")) {
802 configure_rtc_date_offset(value, 0);
805 value = qemu_opt_get(opts, "clock");
807 if (!strcmp(value, "host")) {
808 rtc_clock = QEMU_CLOCK_HOST;
809 } else if (!strcmp(value, "rt")) {
810 rtc_clock = QEMU_CLOCK_REALTIME;
811 } else if (!strcmp(value, "vm")) {
812 rtc_clock = QEMU_CLOCK_VIRTUAL;
814 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
818 value = qemu_opt_get(opts, "driftfix");
820 if (!strcmp(value, "slew")) {
821 static GlobalProperty slew_lost_ticks[] = {
823 .driver = "mc146818rtc",
824 .property = "lost_tick_policy",
827 { /* end of list */ }
830 qdev_prop_register_global_list(slew_lost_ticks);
831 } else if (!strcmp(value, "none")) {
832 /* discard is default */
834 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
840 /***********************************************************/
841 /* Bluetooth support */
844 static struct HCIInfo *hci_table[MAX_NICS];
846 struct HCIInfo *qemu_next_hci(void)
848 if (cur_hci == nb_hcis)
851 return hci_table[cur_hci++];
854 static int bt_hci_parse(const char *str)
859 if (nb_hcis >= MAX_NICS) {
860 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
873 bdaddr.b[5] = 0x56 + nb_hcis;
874 hci->bdaddr_set(hci, bdaddr.b);
876 hci_table[nb_hcis++] = hci;
881 static void bt_vhci_add(int vlan_id)
883 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
886 fprintf(stderr, "qemu: warning: adding a VHCI to "
887 "an empty scatternet %i\n", vlan_id);
889 bt_vhci_init(bt_new_hci(vlan));
892 static struct bt_device_s *bt_device_add(const char *opt)
894 struct bt_scatternet_s *vlan;
896 char *endp = strstr(opt, ",vlan=");
897 int len = (endp ? endp - opt : strlen(opt)) + 1;
900 pstrcpy(devname, MIN(sizeof(devname), len), opt);
903 vlan_id = strtol(endp + 6, &endp, 0);
905 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
910 vlan = qemu_find_bt_vlan(vlan_id);
913 fprintf(stderr, "qemu: warning: adding a slave device to "
914 "an empty scatternet %i\n", vlan_id);
916 if (!strcmp(devname, "keyboard"))
917 return bt_keyboard_init(vlan);
919 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
923 static int bt_parse(const char *opt)
925 const char *endp, *p;
928 if (strstart(opt, "hci", &endp)) {
929 if (!*endp || *endp == ',') {
931 if (!strstart(endp, ",vlan=", 0))
934 return bt_hci_parse(opt);
936 } else if (strstart(opt, "vhci", &endp)) {
937 if (!*endp || *endp == ',') {
939 if (strstart(endp, ",vlan=", &p)) {
940 vlan = strtol(p, (char **) &endp, 0);
942 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
946 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
955 } else if (strstart(opt, "device:", &endp))
956 return !bt_device_add(endp);
958 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
962 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 /* FIXME: change this to true for 1.3 */
965 if (qemu_opt_get_bool(opts, "enable", false)) {
966 #ifdef CONFIG_SECCOMP
967 if (seccomp_start() < 0) {
968 qerror_report(ERROR_CLASS_GENERIC_ERROR,
969 "failed to install seccomp syscall filter in the kernel");
973 qerror_report(ERROR_CLASS_GENERIC_ERROR,
974 "sandboxing request but seccomp is not compiled into this build");
982 static int parse_name(QemuOpts *opts, void *opaque)
984 const char *proc_name;
986 if (qemu_opt_get(opts, "debug-threads")) {
987 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
989 qemu_name = qemu_opt_get(opts, "guest");
991 proc_name = qemu_opt_get(opts, "process");
993 os_set_proc_name(proc_name);
999 bool defaults_enabled(void)
1001 return has_defaults;
1004 bool usb_enabled(void)
1006 return machine_usb(current_machine);
1010 static int parse_add_fd(QemuOpts *opts, void *opaque)
1012 int fd, dupfd, flags;
1014 const char *fd_opaque = NULL;
1017 fd = qemu_opt_get_number(opts, "fd", -1);
1018 fdset_id = qemu_opt_get_number(opts, "set", -1);
1019 fd_opaque = qemu_opt_get(opts, "opaque");
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd option is required and must be non-negative");
1027 if (fd <= STDERR_FILENO) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "fd cannot be a standard I/O stream");
1034 * All fds inherited across exec() necessarily have FD_CLOEXEC
1035 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1037 flags = fcntl(fd, F_GETFD);
1038 if (flags == -1 || (flags & FD_CLOEXEC)) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "fd is not valid or already in use");
1045 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1046 "set option is required and must be non-negative");
1050 #ifdef F_DUPFD_CLOEXEC
1051 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1055 qemu_set_cloexec(dupfd);
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1060 "Error duplicating fd: %s", strerror(errno));
1064 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1065 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1072 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1076 fd = qemu_opt_get_number(opts, "fd", -1);
1083 /***********************************************************/
1084 /* QEMU Block devices */
1086 #define HD_OPTS "media=disk"
1087 #define CDROM_OPTS "media=cdrom"
1089 #define PFLASH_OPTS ""
1093 static int drive_init_func(QemuOpts *opts, void *opaque)
1095 BlockInterfaceType *block_default_type = opaque;
1097 return drive_new(opts, *block_default_type) == NULL;
1100 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1102 if (qemu_opt_get(opts, "snapshot") == NULL) {
1103 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1108 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1109 int index, const char *optstr)
1114 if (!enable || drive_get_by_index(type, index)) {
1118 opts = drive_add(type, index, NULL, optstr);
1120 drive_enable_snapshot(opts, NULL);
1123 dinfo = drive_new(opts, type);
1127 dinfo->is_default = true;
1131 static QemuOptsList qemu_smp_opts = {
1133 .implied_opt_name = "cpus",
1134 .merge_lists = true,
1135 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1139 .type = QEMU_OPT_NUMBER,
1142 .type = QEMU_OPT_NUMBER,
1145 .type = QEMU_OPT_NUMBER,
1148 .type = QEMU_OPT_NUMBER,
1151 .type = QEMU_OPT_NUMBER,
1153 { /*End of list */ }
1157 static void smp_parse(QemuOpts *opts)
1161 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1162 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1163 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1164 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1166 /* compute missing values, prefer sockets over cores over threads */
1167 if (cpus == 0 || sockets == 0) {
1168 sockets = sockets > 0 ? sockets : 1;
1169 cores = cores > 0 ? cores : 1;
1170 threads = threads > 0 ? threads : 1;
1172 cpus = cores * threads * sockets;
1174 } else if (cores == 0) {
1175 threads = threads > 0 ? threads : 1;
1176 cores = cpus / (sockets * threads);
1177 } else if (threads == 0) {
1178 threads = cpus / (cores * sockets);
1179 } else if (sockets * cores * threads < cpus) {
1180 fprintf(stderr, "cpu topology: error: "
1181 "sockets (%u) * cores (%u) * threads (%u) < "
1183 sockets, cores, threads, cpus);
1187 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1190 smp_cores = cores > 0 ? cores : 1;
1191 smp_threads = threads > 0 ? threads : 1;
1195 if (max_cpus == 0) {
1196 max_cpus = smp_cpus;
1199 if (max_cpus > MAX_CPUMASK_BITS) {
1200 fprintf(stderr, "Unsupported number of maxcpus\n");
1203 if (max_cpus < smp_cpus) {
1204 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1210 static void realtime_init(void)
1213 if (os_mlock() < 0) {
1214 fprintf(stderr, "qemu: locking memory failed\n");
1221 static void configure_msg(QemuOpts *opts)
1223 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1226 /***********************************************************/
1229 static int usb_device_add(const char *devname)
1231 USBDevice *dev = NULL;
1232 #ifndef CONFIG_LINUX
1236 if (!usb_enabled()) {
1240 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1241 dev = usbdevice_create(devname);
1245 /* the other ones */
1246 #ifndef CONFIG_LINUX
1247 /* only the linux version is qdev-ified, usb-bsd still needs this */
1248 if (strstart(devname, "host:", &p)) {
1249 dev = usb_host_device_open(usb_bus_find(-1), p);
1259 static int usb_device_del(const char *devname)
1264 if (strstart(devname, "host:", &p)) {
1268 if (!usb_enabled()) {
1272 p = strchr(devname, '.');
1275 bus_num = strtoul(devname, NULL, 0);
1276 addr = strtoul(p + 1, NULL, 0);
1278 return usb_device_delete_addr(bus_num, addr);
1281 static int usb_parse(const char *cmdline)
1284 r = usb_device_add(cmdline);
1286 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1291 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1293 const char *devname = qdict_get_str(qdict, "devname");
1294 if (usb_device_add(devname) < 0) {
1295 error_report("could not add USB device '%s'", devname);
1299 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1301 const char *devname = qdict_get_str(qdict, "devname");
1302 if (usb_device_del(devname) < 0) {
1303 error_report("could not delete USB device '%s'", devname);
1307 /***********************************************************/
1308 /* machine registration */
1310 MachineState *current_machine;
1312 static void machine_class_init(ObjectClass *oc, void *data)
1314 MachineClass *mc = MACHINE_CLASS(oc);
1315 QEMUMachine *qm = data;
1317 mc->family = qm->family;
1318 mc->name = qm->name;
1319 mc->alias = qm->alias;
1320 mc->desc = qm->desc;
1321 mc->init = qm->init;
1322 mc->reset = qm->reset;
1323 mc->hot_add_cpu = qm->hot_add_cpu;
1324 mc->kvm_type = qm->kvm_type;
1325 mc->block_default_type = qm->block_default_type;
1326 mc->units_per_default_bus = qm->units_per_default_bus;
1327 mc->max_cpus = qm->max_cpus;
1328 mc->no_serial = qm->no_serial;
1329 mc->no_parallel = qm->no_parallel;
1330 mc->use_virtcon = qm->use_virtcon;
1331 mc->use_sclp = qm->use_sclp;
1332 mc->no_floppy = qm->no_floppy;
1333 mc->no_cdrom = qm->no_cdrom;
1334 mc->no_sdcard = qm->no_sdcard;
1335 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1336 mc->is_default = qm->is_default;
1337 mc->default_machine_opts = qm->default_machine_opts;
1338 mc->default_boot_order = qm->default_boot_order;
1339 mc->default_display = qm->default_display;
1340 mc->compat_props = qm->compat_props;
1341 mc->hw_version = qm->hw_version;
1344 int qemu_register_machine(QEMUMachine *m)
1346 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1349 .parent = TYPE_MACHINE,
1350 .class_init = machine_class_init,
1351 .class_data = (void *)m,
1360 static MachineClass *find_machine(const char *name)
1362 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1363 MachineClass *mc = NULL;
1365 for (el = machines; el; el = el->next) {
1366 MachineClass *temp = el->data;
1368 if (!strcmp(temp->name, name)) {
1373 !strcmp(temp->alias, name)) {
1379 g_slist_free(machines);
1383 MachineClass *find_default_machine(void)
1385 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1386 MachineClass *mc = NULL;
1388 for (el = machines; el; el = el->next) {
1389 MachineClass *temp = el->data;
1391 if (temp->is_default) {
1397 g_slist_free(machines);
1401 MachineInfoList *qmp_query_machines(Error **errp)
1403 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1404 MachineInfoList *mach_list = NULL;
1406 for (el = machines; el; el = el->next) {
1407 MachineClass *mc = el->data;
1408 MachineInfoList *entry;
1411 info = g_malloc0(sizeof(*info));
1412 if (mc->is_default) {
1413 info->has_is_default = true;
1414 info->is_default = true;
1418 info->has_alias = true;
1419 info->alias = g_strdup(mc->alias);
1422 info->name = g_strdup(mc->name);
1423 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1425 entry = g_malloc0(sizeof(*entry));
1426 entry->value = info;
1427 entry->next = mach_list;
1431 g_slist_free(machines);
1435 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1437 ObjectProperty *prop;
1439 if (!qemu_opt_has_help_opt(opts)) {
1443 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1448 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1449 prop->name, prop->type);
1450 if (prop->description) {
1451 error_printf(" (%s)\n", prop->description);
1460 /***********************************************************/
1461 /* main execution loop */
1463 struct vm_change_state_entry {
1464 VMChangeStateHandler *cb;
1466 QLIST_ENTRY (vm_change_state_entry) entries;
1469 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1471 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1474 VMChangeStateEntry *e;
1476 e = g_malloc0(sizeof (*e));
1480 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1484 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1486 QLIST_REMOVE (e, entries);
1490 void vm_state_notify(int running, RunState state)
1492 VMChangeStateEntry *e, *next;
1494 trace_vm_state_notify(running, state);
1496 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1497 e->cb(e->opaque, running, state);
1501 /* reset/shutdown handler */
1503 typedef struct QEMUResetEntry {
1504 QTAILQ_ENTRY(QEMUResetEntry) entry;
1505 QEMUResetHandler *func;
1509 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1510 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1511 static int reset_requested;
1512 static int shutdown_requested, shutdown_signal = -1;
1513 static pid_t shutdown_pid;
1514 static int powerdown_requested;
1515 static int debug_requested;
1516 static int suspend_requested;
1517 static WakeupReason wakeup_reason;
1518 static NotifierList powerdown_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1520 static NotifierList suspend_notifiers =
1521 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1522 static NotifierList wakeup_notifiers =
1523 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1524 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1526 int qemu_shutdown_requested_get(void)
1528 return shutdown_requested;
1531 int qemu_reset_requested_get(void)
1533 return reset_requested;
1536 static int qemu_shutdown_requested(void)
1538 return atomic_xchg(&shutdown_requested, 0);
1541 static void qemu_kill_report(void)
1543 if (!qtest_driver() && shutdown_signal != -1) {
1544 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1545 if (shutdown_pid == 0) {
1546 /* This happens for eg ^C at the terminal, so it's worth
1547 * avoiding printing an odd message in that case.
1549 fputc('\n', stderr);
1551 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1553 shutdown_signal = -1;
1557 static int qemu_reset_requested(void)
1559 int r = reset_requested;
1560 reset_requested = 0;
1564 static int qemu_suspend_requested(void)
1566 int r = suspend_requested;
1567 suspend_requested = 0;
1571 static WakeupReason qemu_wakeup_requested(void)
1573 return wakeup_reason;
1576 static int qemu_powerdown_requested(void)
1578 int r = powerdown_requested;
1579 powerdown_requested = 0;
1583 static int qemu_debug_requested(void)
1585 int r = debug_requested;
1586 debug_requested = 0;
1590 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1592 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1595 re->opaque = opaque;
1596 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1599 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1603 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1604 if (re->func == func && re->opaque == opaque) {
1605 QTAILQ_REMOVE(&reset_handlers, re, entry);
1612 void qemu_devices_reset(void)
1614 QEMUResetEntry *re, *nre;
1616 /* reset all devices */
1617 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1618 re->func(re->opaque);
1622 void qemu_system_reset(bool report)
1626 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1628 if (mc && mc->reset) {
1631 qemu_devices_reset();
1634 qapi_event_send_reset(&error_abort);
1636 cpu_synchronize_all_post_reset();
1639 void qemu_system_reset_request(void)
1642 shutdown_requested = 1;
1644 reset_requested = 1;
1647 qemu_notify_event();
1650 static void qemu_system_suspend(void)
1653 notifier_list_notify(&suspend_notifiers, NULL);
1654 runstate_set(RUN_STATE_SUSPENDED);
1655 qapi_event_send_suspend(&error_abort);
1658 void qemu_system_suspend_request(void)
1660 if (runstate_check(RUN_STATE_SUSPENDED)) {
1663 suspend_requested = 1;
1665 qemu_notify_event();
1668 void qemu_register_suspend_notifier(Notifier *notifier)
1670 notifier_list_add(&suspend_notifiers, notifier);
1673 void qemu_system_wakeup_request(WakeupReason reason)
1675 trace_system_wakeup_request(reason);
1677 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1680 if (!(wakeup_reason_mask & (1 << reason))) {
1683 runstate_set(RUN_STATE_RUNNING);
1684 wakeup_reason = reason;
1685 qemu_notify_event();
1688 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1691 wakeup_reason_mask |= (1 << reason);
1693 wakeup_reason_mask &= ~(1 << reason);
1697 void qemu_register_wakeup_notifier(Notifier *notifier)
1699 notifier_list_add(&wakeup_notifiers, notifier);
1702 void qemu_system_killed(int signal, pid_t pid)
1704 shutdown_signal = signal;
1707 qemu_system_shutdown_request();
1710 void qemu_system_shutdown_request(void)
1712 trace_qemu_system_shutdown_request();
1713 shutdown_requested = 1;
1714 qemu_notify_event();
1717 static void qemu_system_powerdown(void)
1719 qapi_event_send_powerdown(&error_abort);
1720 notifier_list_notify(&powerdown_notifiers, NULL);
1723 void qemu_system_powerdown_request(void)
1725 trace_qemu_system_powerdown_request();
1726 powerdown_requested = 1;
1727 qemu_notify_event();
1730 void qemu_register_powerdown_notifier(Notifier *notifier)
1732 notifier_list_add(&powerdown_notifiers, notifier);
1735 void qemu_system_debug_request(void)
1737 debug_requested = 1;
1738 qemu_notify_event();
1741 static bool main_loop_should_exit(void)
1744 if (qemu_debug_requested()) {
1745 vm_stop(RUN_STATE_DEBUG);
1747 if (qemu_suspend_requested()) {
1748 qemu_system_suspend();
1750 if (qemu_shutdown_requested()) {
1752 qapi_event_send_shutdown(&error_abort);
1754 vm_stop(RUN_STATE_SHUTDOWN);
1759 if (qemu_reset_requested()) {
1761 cpu_synchronize_all_states();
1762 qemu_system_reset(VMRESET_REPORT);
1764 if (runstate_needs_reset()) {
1765 runstate_set(RUN_STATE_PAUSED);
1768 if (qemu_wakeup_requested()) {
1770 cpu_synchronize_all_states();
1771 qemu_system_reset(VMRESET_SILENT);
1772 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1773 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1775 qapi_event_send_wakeup(&error_abort);
1777 if (qemu_powerdown_requested()) {
1778 qemu_system_powerdown();
1780 if (qemu_vmstop_requested(&r)) {
1786 static void main_loop(void)
1790 #ifdef CONFIG_PROFILER
1794 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1795 #ifdef CONFIG_PROFILER
1796 ti = profile_getclock();
1798 last_io = main_loop_wait(nonblocking);
1799 #ifdef CONFIG_PROFILER
1800 dev_time += profile_getclock() - ti;
1802 } while (!main_loop_should_exit());
1805 static void version(void)
1807 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1810 static void help(int exitcode)
1813 printf("usage: %s [options] [disk_image]\n\n"
1814 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1815 error_get_progname());
1817 #define QEMU_OPTIONS_GENERATE_HELP
1818 #include "qemu-options-wrapper.h"
1820 printf("\nDuring emulation, the following keys are useful:\n"
1821 "ctrl-alt-f toggle full screen\n"
1822 "ctrl-alt-n switch to virtual console 'n'\n"
1823 "ctrl-alt toggle mouse and keyboard grab\n"
1825 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1830 #define HAS_ARG 0x0001
1832 typedef struct QEMUOption {
1839 static const QEMUOption qemu_options[] = {
1840 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1841 #define QEMU_OPTIONS_GENERATE_OPTIONS
1842 #include "qemu-options-wrapper.h"
1846 static bool vga_available(void)
1848 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1851 static bool cirrus_vga_available(void)
1853 return object_class_by_name("cirrus-vga")
1854 || object_class_by_name("isa-cirrus-vga");
1857 static bool vmware_vga_available(void)
1859 return object_class_by_name("vmware-svga");
1862 static bool qxl_vga_available(void)
1864 return object_class_by_name("qxl-vga");
1867 static bool tcx_vga_available(void)
1869 return object_class_by_name("SUNW,tcx");
1872 static bool cg3_vga_available(void)
1874 return object_class_by_name("cgthree");
1877 static void select_vgahw (const char *p)
1881 assert(vga_interface_type == VGA_NONE);
1882 if (strstart(p, "std", &opts)) {
1883 if (vga_available()) {
1884 vga_interface_type = VGA_STD;
1886 fprintf(stderr, "Error: standard VGA not available\n");
1889 } else if (strstart(p, "cirrus", &opts)) {
1890 if (cirrus_vga_available()) {
1891 vga_interface_type = VGA_CIRRUS;
1893 fprintf(stderr, "Error: Cirrus VGA not available\n");
1896 } else if (strstart(p, "vmware", &opts)) {
1897 if (vmware_vga_available()) {
1898 vga_interface_type = VGA_VMWARE;
1900 fprintf(stderr, "Error: VMWare SVGA not available\n");
1903 } else if (strstart(p, "xenfb", &opts)) {
1904 vga_interface_type = VGA_XENFB;
1905 } else if (strstart(p, "qxl", &opts)) {
1906 if (qxl_vga_available()) {
1907 vga_interface_type = VGA_QXL;
1909 fprintf(stderr, "Error: QXL VGA not available\n");
1912 } else if (strstart(p, "tcx", &opts)) {
1913 if (tcx_vga_available()) {
1914 vga_interface_type = VGA_TCX;
1916 fprintf(stderr, "Error: TCX framebuffer not available\n");
1919 } else if (strstart(p, "cg3", &opts)) {
1920 if (cg3_vga_available()) {
1921 vga_interface_type = VGA_CG3;
1923 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1926 } else if (!strstart(p, "none", &opts)) {
1928 fprintf(stderr, "Unknown vga type: %s\n", p);
1932 const char *nextopt;
1934 if (strstart(opts, ",retrace=", &nextopt)) {
1936 if (strstart(opts, "dumb", &nextopt))
1937 vga_retrace_method = VGA_RETRACE_DUMB;
1938 else if (strstart(opts, "precise", &nextopt))
1939 vga_retrace_method = VGA_RETRACE_PRECISE;
1940 else goto invalid_vga;
1941 } else goto invalid_vga;
1946 static DisplayType select_display(const char *p)
1949 DisplayType display = DT_DEFAULT;
1951 if (strstart(p, "sdl", &opts)) {
1955 const char *nextopt;
1957 if (strstart(opts, ",frame=", &nextopt)) {
1959 if (strstart(opts, "on", &nextopt)) {
1961 } else if (strstart(opts, "off", &nextopt)) {
1964 goto invalid_sdl_args;
1966 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1968 if (strstart(opts, "on", &nextopt)) {
1970 } else if (strstart(opts, "off", &nextopt)) {
1973 goto invalid_sdl_args;
1975 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1977 if (strstart(opts, "on", &nextopt)) {
1979 } else if (strstart(opts, "off", &nextopt)) {
1982 goto invalid_sdl_args;
1984 } else if (strstart(opts, ",window_close=", &nextopt)) {
1986 if (strstart(opts, "on", &nextopt)) {
1988 } else if (strstart(opts, "off", &nextopt)) {
1991 goto invalid_sdl_args;
1995 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2001 fprintf(stderr, "SDL support is disabled\n");
2004 } else if (strstart(p, "vnc", &opts)) {
2007 if (vnc_parse_func(opts+1) == NULL) {
2011 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2015 fprintf(stderr, "VNC support is disabled\n");
2018 } else if (strstart(p, "curses", &opts)) {
2019 #ifdef CONFIG_CURSES
2020 display = DT_CURSES;
2022 fprintf(stderr, "Curses support is disabled\n");
2025 } else if (strstart(p, "gtk", &opts)) {
2029 const char *nextopt;
2031 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2033 if (strstart(opts, "on", &nextopt)) {
2034 grab_on_hover = true;
2035 } else if (strstart(opts, "off", &nextopt)) {
2036 grab_on_hover = false;
2038 goto invalid_gtk_args;
2042 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2048 fprintf(stderr, "GTK support is disabled\n");
2051 } else if (strstart(p, "none", &opts)) {
2054 fprintf(stderr, "Unknown display type: %s\n", p);
2061 static int balloon_parse(const char *arg)
2065 if (strcmp(arg, "none") == 0) {
2069 if (!strncmp(arg, "virtio", 6)) {
2070 if (arg[6] == ',') {
2071 /* have params -> parse them */
2072 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2076 /* create empty opts */
2077 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2080 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2087 char *qemu_find_file(int type, const char *name)
2093 /* Try the name as a straight path first */
2094 if (access(name, R_OK) == 0) {
2095 trace_load_file(name, name);
2096 return g_strdup(name);
2100 case QEMU_FILE_TYPE_BIOS:
2103 case QEMU_FILE_TYPE_KEYMAP:
2104 subdir = "keymaps/";
2110 for (i = 0; i < data_dir_idx; i++) {
2111 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2112 if (access(buf, R_OK) == 0) {
2113 trace_load_file(name, buf);
2121 static int device_help_func(QemuOpts *opts, void *opaque)
2123 return qdev_device_help(opts);
2126 static int device_init_func(QemuOpts *opts, void *opaque)
2130 dev = qdev_device_add(opts);
2133 object_unref(OBJECT(dev));
2137 static int chardev_init_func(QemuOpts *opts, void *opaque)
2139 Error *local_err = NULL;
2141 qemu_chr_new_from_opts(opts, NULL, &local_err);
2143 error_report_err(local_err);
2149 #ifdef CONFIG_VIRTFS
2150 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2153 ret = qemu_fsdev_add(opts);
2159 static int mon_init_func(QemuOpts *opts, void *opaque)
2161 CharDriverState *chr;
2162 const char *chardev;
2166 mode = qemu_opt_get(opts, "mode");
2170 if (strcmp(mode, "readline") == 0) {
2171 flags = MONITOR_USE_READLINE;
2172 } else if (strcmp(mode, "control") == 0) {
2173 flags = MONITOR_USE_CONTROL;
2175 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2179 if (qemu_opt_get_bool(opts, "pretty", 0))
2180 flags |= MONITOR_USE_PRETTY;
2182 if (qemu_opt_get_bool(opts, "default", 0))
2183 flags |= MONITOR_IS_DEFAULT;
2185 chardev = qemu_opt_get(opts, "chardev");
2186 chr = qemu_chr_find(chardev);
2188 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2192 qemu_chr_fe_claim_no_fail(chr);
2193 monitor_init(chr, flags);
2197 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2199 static int monitor_device_index = 0;
2200 Error *local_err = NULL;
2206 if (strstart(optarg, "chardev:", &p)) {
2207 snprintf(label, sizeof(label), "%s", p);
2209 snprintf(label, sizeof(label), "compat_monitor%d",
2210 monitor_device_index);
2211 if (monitor_device_index == 0) {
2214 opts = qemu_chr_parse_compat(label, optarg);
2216 fprintf(stderr, "parse error: %s\n", optarg);
2221 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2223 error_report_err(local_err);
2226 qemu_opt_set(opts, "mode", mode, &error_abort);
2227 qemu_opt_set(opts, "chardev", label, &error_abort);
2228 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2230 qemu_opt_set(opts, "default", "on", &error_abort);
2231 monitor_device_index++;
2234 struct device_config {
2236 DEV_USB, /* -usbdevice */
2238 DEV_SERIAL, /* -serial */
2239 DEV_PARALLEL, /* -parallel */
2240 DEV_VIRTCON, /* -virtioconsole */
2241 DEV_DEBUGCON, /* -debugcon */
2242 DEV_GDB, /* -gdb, -s */
2243 DEV_SCLP, /* s390 sclp */
2245 const char *cmdline;
2247 QTAILQ_ENTRY(device_config) next;
2250 static QTAILQ_HEAD(, device_config) device_configs =
2251 QTAILQ_HEAD_INITIALIZER(device_configs);
2253 static void add_device_config(int type, const char *cmdline)
2255 struct device_config *conf;
2257 conf = g_malloc0(sizeof(*conf));
2259 conf->cmdline = cmdline;
2260 loc_save(&conf->loc);
2261 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2264 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2266 struct device_config *conf;
2269 QTAILQ_FOREACH(conf, &device_configs, next) {
2270 if (conf->type != type)
2272 loc_push_restore(&conf->loc);
2273 rc = func(conf->cmdline);
2274 loc_pop(&conf->loc);
2282 static int serial_parse(const char *devname)
2284 static int index = 0;
2287 if (strcmp(devname, "none") == 0)
2289 if (index == MAX_SERIAL_PORTS) {
2290 fprintf(stderr, "qemu: too many serial ports\n");
2293 snprintf(label, sizeof(label), "serial%d", index);
2294 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2295 if (!serial_hds[index]) {
2296 fprintf(stderr, "qemu: could not connect serial device"
2297 " to character backend '%s'\n", devname);
2304 static int parallel_parse(const char *devname)
2306 static int index = 0;
2309 if (strcmp(devname, "none") == 0)
2311 if (index == MAX_PARALLEL_PORTS) {
2312 fprintf(stderr, "qemu: too many parallel ports\n");
2315 snprintf(label, sizeof(label), "parallel%d", index);
2316 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2317 if (!parallel_hds[index]) {
2318 fprintf(stderr, "qemu: could not connect parallel device"
2319 " to character backend '%s'\n", devname);
2326 static int virtcon_parse(const char *devname)
2328 QemuOptsList *device = qemu_find_opts("device");
2329 static int index = 0;
2331 QemuOpts *bus_opts, *dev_opts;
2333 if (strcmp(devname, "none") == 0)
2335 if (index == MAX_VIRTIO_CONSOLES) {
2336 fprintf(stderr, "qemu: too many virtio consoles\n");
2340 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2341 if (arch_type == QEMU_ARCH_S390X) {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2344 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2347 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2348 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2350 snprintf(label, sizeof(label), "virtcon%d", index);
2351 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2352 if (!virtcon_hds[index]) {
2353 fprintf(stderr, "qemu: could not connect virtio console"
2354 " to character backend '%s'\n", devname);
2357 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2363 static int sclp_parse(const char *devname)
2365 QemuOptsList *device = qemu_find_opts("device");
2366 static int index = 0;
2370 if (strcmp(devname, "none") == 0) {
2373 if (index == MAX_SCLP_CONSOLES) {
2374 fprintf(stderr, "qemu: too many sclp consoles\n");
2378 assert(arch_type == QEMU_ARCH_S390X);
2380 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2381 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2383 snprintf(label, sizeof(label), "sclpcon%d", index);
2384 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2385 if (!sclp_hds[index]) {
2386 fprintf(stderr, "qemu: could not connect sclp console"
2387 " to character backend '%s'\n", devname);
2390 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2396 static int debugcon_parse(const char *devname)
2400 if (!qemu_chr_new("debugcon", devname, NULL)) {
2403 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2405 fprintf(stderr, "qemu: already have a debugcon device\n");
2408 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2409 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2413 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2415 const MachineClass *mc1 = a, *mc2 = b;
2418 if (mc1->family == NULL) {
2419 if (mc2->family == NULL) {
2420 /* Compare standalone machine types against each other; they sort
2421 * in increasing order.
2423 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2424 object_class_get_name(OBJECT_CLASS(mc2)));
2427 /* Standalone machine types sort after families. */
2431 if (mc2->family == NULL) {
2432 /* Families sort before standalone machine types. */
2436 /* Families sort between each other alphabetically increasingly. */
2437 res = strcmp(mc1->family, mc2->family);
2442 /* Within the same family, machine types sort in decreasing order. */
2443 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2444 object_class_get_name(OBJECT_CLASS(mc1)));
2447 static MachineClass *machine_parse(const char *name)
2449 MachineClass *mc = NULL;
2450 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2453 mc = find_machine(name);
2456 g_slist_free(machines);
2459 if (name && !is_help_option(name)) {
2460 error_report("Unsupported machine type");
2461 error_printf("Use -machine help to list supported machines!\n");
2463 printf("Supported machines are:\n");
2464 machines = g_slist_sort(machines, machine_class_cmp);
2465 for (el = machines; el; el = el->next) {
2466 MachineClass *mc = el->data;
2468 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2470 printf("%-20s %s%s\n", mc->name, mc->desc,
2471 mc->is_default ? " (default)" : "");
2475 g_slist_free(machines);
2476 exit(!name || !is_help_option(name));
2479 void qemu_add_exit_notifier(Notifier *notify)
2481 notifier_list_add(&exit_notifiers, notify);
2484 void qemu_remove_exit_notifier(Notifier *notify)
2486 notifier_remove(notify);
2489 static void qemu_run_exit_notifiers(void)
2491 notifier_list_notify(&exit_notifiers, NULL);
2494 void qemu_add_machine_init_done_notifier(Notifier *notify)
2496 notifier_list_add(&machine_init_done_notifiers, notify);
2499 static void qemu_run_machine_init_done_notifiers(void)
2501 notifier_list_notify(&machine_init_done_notifiers, NULL);
2504 static const QEMUOption *lookup_opt(int argc, char **argv,
2505 const char **poptarg, int *poptind)
2507 const QEMUOption *popt;
2508 int optind = *poptind;
2509 char *r = argv[optind];
2512 loc_set_cmdline(argv, optind, 1);
2514 /* Treat --foo the same as -foo. */
2517 popt = qemu_options;
2520 error_report("invalid option");
2523 if (!strcmp(popt->name, r + 1))
2527 if (popt->flags & HAS_ARG) {
2528 if (optind >= argc) {
2529 error_report("requires an argument");
2532 optarg = argv[optind++];
2533 loc_set_cmdline(argv, optind - 2, 2);
2544 static gpointer malloc_and_trace(gsize n_bytes)
2546 void *ptr = malloc(n_bytes);
2547 trace_g_malloc(n_bytes, ptr);
2551 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2553 void *ptr = realloc(mem, n_bytes);
2554 trace_g_realloc(mem, n_bytes, ptr);
2558 static void free_and_trace(gpointer mem)
2564 static int machine_set_property(const char *name, const char *value,
2567 Object *obj = OBJECT(opaque);
2568 Error *local_err = NULL;
2571 if (strcmp(name, "type") == 0) {
2575 qom_name = g_strdup(name);
2583 object_property_parse(obj, value, qom_name, &local_err);
2587 error_report_err(local_err);
2594 static int object_create(QemuOpts *opts, void *opaque)
2603 ov = opts_visitor_new(opts);
2604 pdict = qemu_opts_to_qdict(opts, NULL);
2606 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2611 qdict_del(pdict, "qom-type");
2612 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2617 qdict_del(pdict, "id");
2618 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2623 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2627 visit_end_struct(opts_get_visitor(ov), &err);
2629 qmp_object_del(id, NULL);
2633 opts_visitor_cleanup(ov);
2640 error_report_err(err);
2646 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2649 const char *mem_str;
2650 const char *maxmem_str, *slots_str;
2651 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2653 QemuOpts *opts = qemu_find_opts_singleton("memory");
2656 mem_str = qemu_opt_get(opts, "size");
2659 error_report("missing 'size' option value");
2663 sz = qemu_opt_get_size(opts, "size", ram_size);
2665 /* Fix up legacy suffix-less format */
2666 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2667 uint64_t overflow_check = sz;
2670 if ((sz >> 20) != overflow_check) {
2671 error_report("too large 'size' option value");
2677 /* backward compatibility behaviour for case "-m 0" */
2679 sz = default_ram_size;
2682 sz = QEMU_ALIGN_UP(sz, 8192);
2684 if (ram_size != sz) {
2685 error_report("ram size too large");
2689 /* store value for the future use */
2690 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2691 *maxram_size = ram_size;
2693 maxmem_str = qemu_opt_get(opts, "maxmem");
2694 slots_str = qemu_opt_get(opts, "slots");
2695 if (maxmem_str && slots_str) {
2698 sz = qemu_opt_get_size(opts, "maxmem", 0);
2699 slots = qemu_opt_get_number(opts, "slots", 0);
2700 if (sz < ram_size) {
2701 error_report("invalid value of -m option maxmem: "
2702 "maximum memory size (0x%" PRIx64 ") must be at least "
2703 "the initial memory size (0x" RAM_ADDR_FMT ")",
2706 } else if (sz > ram_size) {
2708 error_report("invalid value of -m option: maxmem was "
2709 "specified, but no hotplug slots were specified");
2713 error_report("invalid value of -m option maxmem: "
2714 "memory slots were specified but maximum memory size "
2715 "(0x%" PRIx64 ") is equal to the initial memory size "
2716 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2722 } else if ((!maxmem_str && slots_str) ||
2723 (maxmem_str && !slots_str)) {
2724 error_report("invalid -m option value: missing "
2725 "'%s' option", slots_str ? "maxmem" : "slots");
2730 int main(int argc, char **argv, char **envp)
2733 int snapshot, linux_boot;
2734 const char *initrd_filename;
2735 const char *kernel_filename, *kernel_cmdline;
2736 const char *boot_order = NULL;
2737 const char *boot_once = NULL;
2739 int cyls, heads, secs, translation;
2740 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2741 QemuOptsList *olist;
2744 const char *loadvm = NULL;
2745 MachineClass *machine_class;
2746 const char *cpu_model;
2747 const char *vga_model = NULL;
2748 const char *qtest_chrdev = NULL;
2749 const char *qtest_log = NULL;
2750 const char *pid_file = NULL;
2751 const char *incoming = NULL;
2753 int show_vnc_port = 0;
2755 bool defconfig = true;
2756 bool userconfig = true;
2757 const char *log_mask = NULL;
2758 const char *log_file = NULL;
2759 GMemVTable mem_trace = {
2760 .malloc = malloc_and_trace,
2761 .realloc = realloc_and_trace,
2762 .free = free_and_trace,
2764 const char *trace_events = NULL;
2765 const char *trace_file = NULL;
2766 ram_addr_t maxram_size;
2767 uint64_t ram_slots = 0;
2768 FILE *vmstate_dump_file = NULL;
2769 Error *main_loop_err = NULL;
2771 qemu_init_cpu_loop();
2772 qemu_mutex_lock_iothread();
2774 atexit(qemu_run_exit_notifiers);
2775 error_set_progname(argv[0]);
2776 qemu_init_exec_dir(argv[0]);
2778 g_mem_set_vtable(&mem_trace);
2780 module_call_init(MODULE_INIT_QOM);
2782 qemu_add_opts(&qemu_drive_opts);
2783 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2784 qemu_add_drive_opts(&qemu_common_drive_opts);
2785 qemu_add_drive_opts(&qemu_drive_opts);
2786 qemu_add_opts(&qemu_chardev_opts);
2787 qemu_add_opts(&qemu_device_opts);
2788 qemu_add_opts(&qemu_netdev_opts);
2789 qemu_add_opts(&qemu_net_opts);
2790 qemu_add_opts(&qemu_rtc_opts);
2791 qemu_add_opts(&qemu_global_opts);
2792 qemu_add_opts(&qemu_mon_opts);
2793 qemu_add_opts(&qemu_trace_opts);
2794 qemu_add_opts(&qemu_option_rom_opts);
2795 qemu_add_opts(&qemu_machine_opts);
2796 qemu_add_opts(&qemu_mem_opts);
2797 qemu_add_opts(&qemu_smp_opts);
2798 qemu_add_opts(&qemu_boot_opts);
2799 qemu_add_opts(&qemu_sandbox_opts);
2800 qemu_add_opts(&qemu_add_fd_opts);
2801 qemu_add_opts(&qemu_object_opts);
2802 qemu_add_opts(&qemu_tpmdev_opts);
2803 qemu_add_opts(&qemu_realtime_opts);
2804 qemu_add_opts(&qemu_msg_opts);
2805 qemu_add_opts(&qemu_name_opts);
2806 qemu_add_opts(&qemu_numa_opts);
2807 qemu_add_opts(&qemu_icount_opts);
2808 qemu_add_opts(&qemu_semihosting_config_opts);
2812 rtc_clock = QEMU_CLOCK_HOST;
2814 QLIST_INIT (&vm_change_state_head);
2815 os_setup_early_signal_handling();
2817 module_call_init(MODULE_INIT_MACHINE);
2818 machine_class = find_default_machine();
2821 cyls = heads = secs = 0;
2822 translation = BIOS_ATA_TRANSLATION_AUTO;
2826 bdrv_init_with_whitelist();
2830 /* first pass of option parsing */
2832 while (optind < argc) {
2833 if (argv[optind][0] != '-') {
2837 const QEMUOption *popt;
2839 popt = lookup_opt(argc, argv, &optarg, &optind);
2840 switch (popt->index) {
2841 case QEMU_OPTION_nodefconfig:
2844 case QEMU_OPTION_nouserconfig:
2853 ret = qemu_read_default_config_files(userconfig);
2859 /* second pass of option parsing */
2864 if (argv[optind][0] != '-') {
2865 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2867 const QEMUOption *popt;
2869 popt = lookup_opt(argc, argv, &optarg, &optind);
2870 if (!(popt->arch_mask & arch_type)) {
2871 printf("Option %s not supported for this target\n", popt->name);
2874 switch(popt->index) {
2875 case QEMU_OPTION_no_kvm_irqchip: {
2876 olist = qemu_find_opts("machine");
2877 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2880 case QEMU_OPTION_cpu:
2881 /* hw initialization will check this */
2884 case QEMU_OPTION_hda:
2888 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2890 snprintf(buf, sizeof(buf),
2891 "%s,cyls=%d,heads=%d,secs=%d%s",
2892 HD_OPTS , cyls, heads, secs,
2893 translation == BIOS_ATA_TRANSLATION_LBA ?
2895 translation == BIOS_ATA_TRANSLATION_NONE ?
2896 ",trans=none" : "");
2897 drive_add(IF_DEFAULT, 0, optarg, buf);
2900 case QEMU_OPTION_hdb:
2901 case QEMU_OPTION_hdc:
2902 case QEMU_OPTION_hdd:
2903 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2906 case QEMU_OPTION_drive:
2907 if (drive_def(optarg) == NULL) {
2911 case QEMU_OPTION_set:
2912 if (qemu_set_option(optarg) != 0)
2915 case QEMU_OPTION_global:
2916 if (qemu_global_option(optarg) != 0)
2919 case QEMU_OPTION_mtdblock:
2920 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2922 case QEMU_OPTION_sd:
2923 drive_add(IF_SD, -1, optarg, SD_OPTS);
2925 case QEMU_OPTION_pflash:
2926 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2928 case QEMU_OPTION_snapshot:
2931 case QEMU_OPTION_hdachs:
2935 cyls = strtol(p, (char **)&p, 0);
2936 if (cyls < 1 || cyls > 16383)
2941 heads = strtol(p, (char **)&p, 0);
2942 if (heads < 1 || heads > 16)
2947 secs = strtol(p, (char **)&p, 0);
2948 if (secs < 1 || secs > 63)
2952 if (!strcmp(p, "large")) {
2953 translation = BIOS_ATA_TRANSLATION_LARGE;
2954 } else if (!strcmp(p, "rechs")) {
2955 translation = BIOS_ATA_TRANSLATION_RECHS;
2956 } else if (!strcmp(p, "none")) {
2957 translation = BIOS_ATA_TRANSLATION_NONE;
2958 } else if (!strcmp(p, "lba")) {
2959 translation = BIOS_ATA_TRANSLATION_LBA;
2960 } else if (!strcmp(p, "auto")) {
2961 translation = BIOS_ATA_TRANSLATION_AUTO;
2965 } else if (*p != '\0') {
2967 fprintf(stderr, "qemu: invalid physical CHS format\n");
2970 if (hda_opts != NULL) {
2971 qemu_opt_set_number(hda_opts, "cyls", cyls,
2973 qemu_opt_set_number(hda_opts, "heads", heads,
2975 qemu_opt_set_number(hda_opts, "secs", secs,
2977 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2978 qemu_opt_set(hda_opts, "trans", "large",
2980 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2981 qemu_opt_set(hda_opts, "trans", "rechs",
2983 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2984 qemu_opt_set(hda_opts, "trans", "lba",
2986 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2987 qemu_opt_set(hda_opts, "trans", "none",
2993 case QEMU_OPTION_numa:
2994 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2999 case QEMU_OPTION_display:
3000 display_type = select_display(optarg);
3002 case QEMU_OPTION_nographic:
3003 display_type = DT_NOGRAPHIC;
3005 case QEMU_OPTION_curses:
3006 #ifdef CONFIG_CURSES
3007 display_type = DT_CURSES;
3009 fprintf(stderr, "Curses support is disabled\n");
3013 case QEMU_OPTION_portrait:
3014 graphic_rotate = 90;
3016 case QEMU_OPTION_rotate:
3017 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3018 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3019 graphic_rotate != 180 && graphic_rotate != 270) {
3021 "qemu: only 90, 180, 270 deg rotation is available\n");
3025 case QEMU_OPTION_kernel:
3026 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3029 case QEMU_OPTION_initrd:
3030 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3033 case QEMU_OPTION_append:
3034 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3037 case QEMU_OPTION_dtb:
3038 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3041 case QEMU_OPTION_cdrom:
3042 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3044 case QEMU_OPTION_boot:
3045 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3050 case QEMU_OPTION_fda:
3051 case QEMU_OPTION_fdb:
3052 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3055 case QEMU_OPTION_no_fd_bootchk:
3058 case QEMU_OPTION_netdev:
3059 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3063 case QEMU_OPTION_net:
3064 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3068 #ifdef CONFIG_LIBISCSI
3069 case QEMU_OPTION_iscsi:
3070 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3077 case QEMU_OPTION_tftp:
3078 legacy_tftp_prefix = optarg;
3080 case QEMU_OPTION_bootp:
3081 legacy_bootp_filename = optarg;
3083 case QEMU_OPTION_redir:
3084 if (net_slirp_redir(optarg) < 0)
3088 case QEMU_OPTION_bt:
3089 add_device_config(DEV_BT, optarg);
3091 case QEMU_OPTION_audio_help:
3095 case QEMU_OPTION_soundhw:
3096 select_soundhw (optarg);
3101 case QEMU_OPTION_version:
3106 opts = qemu_opts_parse(qemu_find_opts("memory"),
3113 case QEMU_OPTION_tpmdev:
3114 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3119 case QEMU_OPTION_mempath:
3122 case QEMU_OPTION_mem_prealloc:
3132 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3134 case QEMU_OPTION_gdb:
3135 add_device_config(DEV_GDB, optarg);
3138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3139 data_dir[data_dir_idx++] = optarg;
3142 case QEMU_OPTION_bios:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3146 case QEMU_OPTION_singlestep:
3153 keyboard_layout = optarg;
3155 case QEMU_OPTION_localtime:
3158 case QEMU_OPTION_vga:
3167 w = strtol(p, (char **)&p, 10);
3170 fprintf(stderr, "qemu: invalid resolution or depth\n");
3176 h = strtol(p, (char **)&p, 10);
3181 depth = strtol(p, (char **)&p, 10);
3182 if (depth != 8 && depth != 15 && depth != 16 &&
3183 depth != 24 && depth != 32)
3185 } else if (*p == '\0') {
3186 depth = graphic_depth;
3193 graphic_depth = depth;
3196 case QEMU_OPTION_echr:
3199 term_escape_char = strtol(optarg, &r, 0);
3201 printf("Bad argument to echr\n");
3204 case QEMU_OPTION_monitor:
3205 default_monitor = 0;
3206 if (strncmp(optarg, "none", 4)) {
3207 monitor_parse(optarg, "readline", false);
3210 case QEMU_OPTION_qmp:
3211 monitor_parse(optarg, "control", false);
3212 default_monitor = 0;
3214 case QEMU_OPTION_qmp_pretty:
3215 monitor_parse(optarg, "control", true);
3216 default_monitor = 0;
3218 case QEMU_OPTION_mon:
3219 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3223 default_monitor = 0;
3225 case QEMU_OPTION_chardev:
3226 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3231 case QEMU_OPTION_fsdev:
3232 olist = qemu_find_opts("fsdev");
3234 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3237 opts = qemu_opts_parse(olist, optarg, 1);
3242 case QEMU_OPTION_virtfs: {
3245 const char *writeout, *sock_fd, *socket;
3247 olist = qemu_find_opts("virtfs");
3249 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3252 opts = qemu_opts_parse(olist, optarg, 1);
3257 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3258 qemu_opt_get(opts, "mount_tag") == NULL) {
3259 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3262 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3263 qemu_opt_get(opts, "mount_tag"),
3266 fprintf(stderr, "duplicate fsdev id: %s\n",
3267 qemu_opt_get(opts, "mount_tag"));
3271 writeout = qemu_opt_get(opts, "writeout");
3273 #ifdef CONFIG_SYNC_FILE_RANGE
3274 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3276 fprintf(stderr, "writeout=immediate not supported on "
3281 qemu_opt_set(fsdev, "fsdriver",
3282 qemu_opt_get(opts, "fsdriver"), &error_abort);
3283 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3285 qemu_opt_set(fsdev, "security_model",
3286 qemu_opt_get(opts, "security_model"),
3288 socket = qemu_opt_get(opts, "socket");
3290 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3292 sock_fd = qemu_opt_get(opts, "sock_fd");
3294 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3297 qemu_opt_set_bool(fsdev, "readonly",
3298 qemu_opt_get_bool(opts, "readonly", 0),
3300 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3302 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3303 qemu_opt_set(device, "fsdev",
3304 qemu_opt_get(opts, "mount_tag"), &error_abort);
3305 qemu_opt_set(device, "mount_tag",
3306 qemu_opt_get(opts, "mount_tag"), &error_abort);
3309 case QEMU_OPTION_virtfs_synth: {
3313 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3316 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3319 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3321 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3323 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3324 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3325 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3328 case QEMU_OPTION_serial:
3329 add_device_config(DEV_SERIAL, optarg);
3331 if (strncmp(optarg, "mon:", 4) == 0) {
3332 default_monitor = 0;
3335 case QEMU_OPTION_watchdog:
3338 "qemu: only one watchdog option may be given\n");
3343 case QEMU_OPTION_watchdog_action:
3344 if (select_watchdog_action(optarg) == -1) {
3345 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3349 case QEMU_OPTION_virtiocon:
3350 add_device_config(DEV_VIRTCON, optarg);
3351 default_virtcon = 0;
3352 if (strncmp(optarg, "mon:", 4) == 0) {
3353 default_monitor = 0;
3356 case QEMU_OPTION_parallel:
3357 add_device_config(DEV_PARALLEL, optarg);
3358 default_parallel = 0;
3359 if (strncmp(optarg, "mon:", 4) == 0) {
3360 default_monitor = 0;
3363 case QEMU_OPTION_debugcon:
3364 add_device_config(DEV_DEBUGCON, optarg);
3366 case QEMU_OPTION_loadvm:
3369 case QEMU_OPTION_full_screen:
3372 case QEMU_OPTION_no_frame:
3375 case QEMU_OPTION_alt_grab:
3378 case QEMU_OPTION_ctrl_grab:
3381 case QEMU_OPTION_no_quit:
3384 case QEMU_OPTION_sdl:
3386 display_type = DT_SDL;
3389 fprintf(stderr, "SDL support is disabled\n");
3392 case QEMU_OPTION_pidfile:
3395 case QEMU_OPTION_win2k_hack:
3396 win2k_install_hack = 1;
3398 case QEMU_OPTION_rtc_td_hack: {
3399 static GlobalProperty slew_lost_ticks[] = {
3401 .driver = "mc146818rtc",
3402 .property = "lost_tick_policy",
3405 { /* end of list */ }
3408 qdev_prop_register_global_list(slew_lost_ticks);
3411 case QEMU_OPTION_acpitable:
3412 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3416 do_acpitable_option(opts);
3418 case QEMU_OPTION_smbios:
3419 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3423 do_smbios_option(opts);
3425 case QEMU_OPTION_enable_kvm:
3426 olist = qemu_find_opts("machine");
3427 qemu_opts_parse(olist, "accel=kvm", 0);
3430 case QEMU_OPTION_machine:
3431 olist = qemu_find_opts("machine");
3432 opts = qemu_opts_parse(olist, optarg, 1);
3437 case QEMU_OPTION_no_kvm:
3438 olist = qemu_find_opts("machine");
3439 qemu_opts_parse(olist, "accel=tcg", 0);
3441 case QEMU_OPTION_no_kvm_pit: {
3442 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3446 case QEMU_OPTION_no_kvm_pit_reinjection: {
3447 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3449 .driver = "kvm-pit",
3450 .property = "lost_tick_policy",
3453 { /* end of list */ }
3456 fprintf(stderr, "Warning: option deprecated, use "
3457 "lost_tick_policy property of kvm-pit instead.\n");
3458 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3461 case QEMU_OPTION_usb:
3462 olist = qemu_find_opts("machine");
3463 qemu_opts_parse(olist, "usb=on", 0);
3465 case QEMU_OPTION_usbdevice:
3466 olist = qemu_find_opts("machine");
3467 qemu_opts_parse(olist, "usb=on", 0);
3468 add_device_config(DEV_USB, optarg);
3470 case QEMU_OPTION_device:
3471 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3475 case QEMU_OPTION_smp:
3476 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3480 case QEMU_OPTION_vnc:
3482 if (vnc_parse_func(optarg) == NULL) {
3486 fprintf(stderr, "VNC support is disabled\n");
3490 case QEMU_OPTION_no_acpi:
3493 case QEMU_OPTION_no_hpet:
3496 case QEMU_OPTION_balloon:
3497 if (balloon_parse(optarg) < 0) {
3498 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3502 case QEMU_OPTION_no_reboot:
3505 case QEMU_OPTION_no_shutdown:
3508 case QEMU_OPTION_show_cursor:
3511 case QEMU_OPTION_uuid:
3512 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3513 fprintf(stderr, "Fail to parse UUID string."
3514 " Wrong format.\n");
3517 qemu_uuid_set = true;
3519 case QEMU_OPTION_option_rom:
3520 if (nb_option_roms >= MAX_OPTION_ROMS) {
3521 fprintf(stderr, "Too many option ROMs\n");
3524 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3528 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3529 option_rom[nb_option_roms].bootindex =
3530 qemu_opt_get_number(opts, "bootindex", -1);
3531 if (!option_rom[nb_option_roms].name) {
3532 fprintf(stderr, "Option ROM file is not specified\n");
3537 case QEMU_OPTION_semihosting:
3538 semihosting_enabled = 1;
3539 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3541 case QEMU_OPTION_semihosting_config:
3542 semihosting_enabled = 1;
3543 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3546 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3548 const char *target = qemu_opt_get(opts, "target");
3549 if (target != NULL) {
3550 if (strcmp("native", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3552 } else if (strcmp("gdb", target) == 0) {
3553 semihosting_target = SEMIHOSTING_TARGET_GDB;
3554 } else if (strcmp("auto", target) == 0) {
3555 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3557 fprintf(stderr, "Unsupported semihosting-config"
3563 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3566 fprintf(stderr, "Unsupported semihosting-config %s\n",
3571 case QEMU_OPTION_tdf:
3572 fprintf(stderr, "Warning: user space PIT time drift fix "
3573 "is no longer supported.\n");
3575 case QEMU_OPTION_name:
3576 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3581 case QEMU_OPTION_prom_env:
3582 if (nb_prom_envs >= MAX_PROM_ENVS) {
3583 fprintf(stderr, "Too many prom variables\n");
3586 prom_envs[nb_prom_envs] = optarg;
3589 case QEMU_OPTION_old_param:
3592 case QEMU_OPTION_clock:
3593 /* Clock options no longer exist. Keep this option for
3594 * backward compatibility.
3597 case QEMU_OPTION_startdate:
3598 configure_rtc_date_offset(optarg, 1);
3600 case QEMU_OPTION_rtc:
3601 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3605 configure_rtc(opts);
3607 case QEMU_OPTION_tb_size:
3608 tcg_tb_size = strtol(optarg, NULL, 0);
3609 if (tcg_tb_size < 0) {
3613 case QEMU_OPTION_icount:
3614 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3620 case QEMU_OPTION_incoming:
3622 runstate_set(RUN_STATE_INMIGRATE);
3624 case QEMU_OPTION_nodefaults:
3627 case QEMU_OPTION_xen_domid:
3628 if (!(xen_available())) {
3629 printf("Option %s not supported for this target\n", popt->name);
3632 xen_domid = atoi(optarg);
3634 case QEMU_OPTION_xen_create:
3635 if (!(xen_available())) {
3636 printf("Option %s not supported for this target\n", popt->name);
3639 xen_mode = XEN_CREATE;
3641 case QEMU_OPTION_xen_attach:
3642 if (!(xen_available())) {
3643 printf("Option %s not supported for this target\n", popt->name);
3646 xen_mode = XEN_ATTACH;
3648 case QEMU_OPTION_trace:
3650 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3654 trace_events = qemu_opt_get(opts, "events");
3655 trace_file = qemu_opt_get(opts, "file");
3658 case QEMU_OPTION_readconfig:
3660 int ret = qemu_read_config_file(optarg);
3662 fprintf(stderr, "read config %s: %s\n", optarg,
3668 case QEMU_OPTION_spice:
3669 olist = qemu_find_opts("spice");
3671 fprintf(stderr, "spice is not supported by this qemu build.\n");
3674 opts = qemu_opts_parse(olist, optarg, 0);
3680 case QEMU_OPTION_writeconfig:
3683 if (strcmp(optarg, "-") == 0) {
3686 fp = fopen(optarg, "w");
3688 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3692 qemu_config_write(fp);
3698 case QEMU_OPTION_qtest:
3699 qtest_chrdev = optarg;
3701 case QEMU_OPTION_qtest_log:
3704 case QEMU_OPTION_sandbox:
3705 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3710 case QEMU_OPTION_add_fd:
3712 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3717 error_report("File descriptor passing is disabled on this "
3722 case QEMU_OPTION_object:
3723 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3728 case QEMU_OPTION_realtime:
3729 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3733 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3735 case QEMU_OPTION_msg:
3736 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3740 configure_msg(opts);
3742 case QEMU_OPTION_dump_vmstate:
3743 if (vmstate_dump_file) {
3744 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3745 "option may be given\n");
3748 vmstate_dump_file = fopen(optarg, "w");
3749 if (vmstate_dump_file == NULL) {
3750 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3755 os_parse_cmd_args(popt->index, optarg);
3760 opts = qemu_get_machine_opts();
3761 optarg = qemu_opt_get(opts, "type");
3763 machine_class = machine_parse(optarg);
3766 set_memory_options(&ram_slots, &maxram_size);
3772 if (qemu_init_main_loop(&main_loop_err)) {
3773 error_report_err(main_loop_err);
3777 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3781 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3786 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3790 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3795 if (machine_class == NULL) {
3796 fprintf(stderr, "No machine specified, and there is no default.\n"
3797 "Use -machine help to list supported machines!\n");
3801 current_machine = MACHINE(object_new(object_class_get_name(
3802 OBJECT_CLASS(machine_class))));
3803 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3806 object_property_add_child(object_get_root(), "machine",
3807 OBJECT(current_machine), &error_abort);
3808 cpu_exec_init_all();
3810 if (machine_class->hw_version) {
3811 qemu_set_version(machine_class->hw_version);
3814 /* Init CPU def lists, based on config
3815 * - Must be called after all the qemu_read_config_file() calls
3816 * - Must be called before list_cpus()
3817 * - Must be called before machine->init()
3821 if (cpu_model && is_help_option(cpu_model)) {
3822 list_cpus(stdout, &fprintf, cpu_model);
3826 /* Open the logfile at this point, if necessary. We can't open the logfile
3827 * when encountering either of the logging options (-d or -D) because the
3828 * other one may be encountered later on the command line, changing the
3829 * location or level of logging.
3834 qemu_set_log_filename(log_file);
3837 mask = qemu_str_to_log_mask(log_mask);
3839 qemu_print_log_usage(stdout);
3845 if (!is_daemonized()) {
3846 if (!trace_init_backends(trace_events, trace_file)) {
3851 /* If no data_dir is specified then try to find it relative to the
3853 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3854 data_dir[data_dir_idx] = os_find_datadir();
3855 if (data_dir[data_dir_idx] != NULL) {
3859 /* If all else fails use the install path specified when building. */
3860 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3861 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3864 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3866 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3867 if (max_cpus > machine_class->max_cpus) {
3868 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3869 "supported by machine `%s' (%d)\n", max_cpus,
3870 machine_class->name, machine_class->max_cpus);
3875 * Get the default machine options from the machine if it is not already
3876 * specified either by the configuration file or by the command line.
3878 if (machine_class->default_machine_opts) {
3879 qemu_opts_set_defaults(qemu_find_opts("machine"),
3880 machine_class->default_machine_opts, 0);
3883 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3884 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3886 if (!vga_model && !default_vga) {
3887 vga_interface_type = VGA_DEVICE;
3889 if (!has_defaults || machine_class->no_serial) {
3892 if (!has_defaults || machine_class->no_parallel) {
3893 default_parallel = 0;
3895 if (!has_defaults || !machine_class->use_virtcon) {
3896 default_virtcon = 0;
3898 if (!has_defaults || !machine_class->use_sclp) {
3901 if (!has_defaults || machine_class->no_floppy) {
3904 if (!has_defaults || machine_class->no_cdrom) {
3907 if (!has_defaults || machine_class->no_sdcard) {
3910 if (!has_defaults) {
3911 default_monitor = 0;
3916 if (is_daemonized()) {
3917 /* According to documentation and historically, -nographic redirects
3918 * serial port, parallel port and monitor to stdio, which does not work
3919 * with -daemonize. We can redirect these to null instead, but since
3920 * -nographic is legacy, let's just error out.
3921 * We disallow -nographic only if all other ports are not redirected
3922 * explicitly, to not break existing legacy setups which uses
3923 * -nographic _and_ redirects all ports explicitly - this is valid
3924 * usage, -nographic is just a no-op in this case.
3926 if (display_type == DT_NOGRAPHIC
3927 && (default_parallel || default_serial
3928 || default_monitor || default_virtcon)) {
3929 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3932 #ifdef CONFIG_CURSES
3933 if (display_type == DT_CURSES) {
3934 fprintf(stderr, "curses display can not be used with -daemonize\n");
3940 if (display_type == DT_NOGRAPHIC) {
3941 if (default_parallel)
3942 add_device_config(DEV_PARALLEL, "null");
3943 if (default_serial && default_monitor) {
3944 add_device_config(DEV_SERIAL, "mon:stdio");
3945 } else if (default_virtcon && default_monitor) {
3946 add_device_config(DEV_VIRTCON, "mon:stdio");
3947 } else if (default_sclp && default_monitor) {
3948 add_device_config(DEV_SCLP, "mon:stdio");
3951 add_device_config(DEV_SERIAL, "stdio");
3952 if (default_virtcon)
3953 add_device_config(DEV_VIRTCON, "stdio");
3955 add_device_config(DEV_SCLP, "stdio");
3957 if (default_monitor)
3958 monitor_parse("stdio", "readline", false);
3962 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3963 if (default_parallel)
3964 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3965 if (default_monitor)
3966 monitor_parse("vc:80Cx24C", "readline", false);
3967 if (default_virtcon)
3968 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3970 add_device_config(DEV_SCLP, "vc:80Cx24C");
3974 #if defined(CONFIG_VNC)
3975 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3979 if (display_type == DT_DEFAULT && !display_remote) {
3980 #if defined(CONFIG_GTK)
3981 display_type = DT_GTK;
3982 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3983 display_type = DT_SDL;
3984 #elif defined(CONFIG_VNC)
3985 vnc_parse_func("localhost:0,to=99,id=default");
3988 display_type = DT_NONE;
3992 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3993 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3994 "for SDL, ignoring option\n");
3996 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3997 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3998 "ignoring option\n");
4001 #if defined(CONFIG_GTK)
4002 if (display_type == DT_GTK) {
4003 early_gtk_display_init();
4009 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4011 #ifdef CONFIG_VIRTFS
4012 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4017 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4018 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4022 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4027 if (qemu_opts_foreach(qemu_find_opts("object"),
4028 object_create, NULL, 0) != 0) {
4032 machine_opts = qemu_get_machine_opts();
4033 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4035 object_unref(OBJECT(current_machine));
4039 configure_accelerator(current_machine);
4042 Error *local_err = NULL;
4043 qtest_init(qtest_chrdev, qtest_log, &local_err);
4045 error_report_err(local_err);
4050 machine_opts = qemu_get_machine_opts();
4051 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4052 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4053 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4054 bios_name = qemu_opt_get(machine_opts, "firmware");
4056 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4058 Error *local_err = NULL;
4060 boot_order = qemu_opt_get(opts, "order");
4062 validate_bootdevices(boot_order, &local_err);
4064 error_report_err(local_err);
4069 boot_once = qemu_opt_get(opts, "once");
4071 validate_bootdevices(boot_once, &local_err);
4073 error_report_err(local_err);
4078 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4079 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4083 boot_order = machine_class->default_boot_order;
4086 if (!kernel_cmdline) {
4087 kernel_cmdline = "";
4088 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4091 linux_boot = (kernel_filename != NULL);
4093 if (!linux_boot && *kernel_cmdline != '\0') {
4094 fprintf(stderr, "-append only allowed with -kernel option\n");
4098 if (!linux_boot && initrd_filename != NULL) {
4099 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4103 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4104 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4108 os_set_line_buffering();
4111 /* spice needs the timers to be initialized by this point */
4117 if (kvm_enabled() || xen_enabled()) {
4118 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4121 configure_icount(icount_opts, &error_abort);
4122 qemu_opts_del(icount_opts);
4125 /* clean up network at qemu process termination */
4126 atexit(&net_cleanup);
4128 if (net_init_clients() < 0) {
4133 if (tpm_init() < 0) {
4138 /* init the bluetooth world */
4139 if (foreach_device_config(DEV_BT, bt_parse))
4142 if (!xen_enabled()) {
4143 /* On 32-bit hosts, QEMU is limited by virtual address space */
4144 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4145 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4153 /* If the currently selected machine wishes to override the units-per-bus
4154 * property of its default HBA interface type, do so now. */
4155 if (machine_class->units_per_default_bus) {
4156 override_max_devs(machine_class->block_default_type,
4157 machine_class->units_per_default_bus);
4160 /* open the virtual block devices */
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4164 &machine_class->block_default_type, 1) != 0) {
4168 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4170 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4171 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4173 parse_numa_opts(machine_class);
4175 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4179 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4181 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4183 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4185 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4188 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4191 /* If no default VGA is requested, the default is "none". */
4193 if (machine_class->default_display) {
4194 vga_model = machine_class->default_display;
4195 } else if (cirrus_vga_available()) {
4196 vga_model = "cirrus";
4197 } else if (vga_available()) {
4202 select_vgahw(vga_model);
4206 i = select_watchdog(watchdog);
4208 exit (i == 1 ? 1 : 0);
4211 if (machine_class->compat_props) {
4212 qdev_prop_register_global_list(machine_class->compat_props);
4216 qdev_machine_init();
4218 current_machine->ram_size = ram_size;
4219 current_machine->maxram_size = maxram_size;
4220 current_machine->ram_slots = ram_slots;
4221 current_machine->boot_order = boot_order;
4222 current_machine->cpu_model = cpu_model;
4224 machine_class->init(current_machine);
4230 cpu_synchronize_all_post_init();
4232 numa_post_machine_init();
4234 /* init USB devices */
4235 if (usb_enabled()) {
4236 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4240 /* init generic devices */
4241 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4244 /* Did we create any drives that we failed to create a device for? */
4245 drive_check_orphaned();
4247 net_check_clients();
4250 Error *local_err = NULL;
4251 qemu_boot_set(boot_once, &local_err);
4253 error_report("%s", error_get_pretty(local_err));
4256 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4259 ds = init_displaystate();
4261 /* init local displays */
4262 switch (display_type) {
4264 (void)ds; /* avoid warning if no display is configured */
4266 #if defined(CONFIG_CURSES)
4268 curses_display_init(ds, full_screen);
4271 #if defined(CONFIG_SDL)
4273 sdl_display_init(ds, full_screen, no_frame);
4275 #elif defined(CONFIG_COCOA)
4277 cocoa_display_init(ds, full_screen);
4280 #if defined(CONFIG_GTK)
4282 gtk_display_init(ds, full_screen, grab_on_hover);
4289 /* must be after terminal init, SDL library changes signal handlers */
4290 os_setup_signal_handling();
4293 /* init remote displays */
4294 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4295 if (show_vnc_port) {
4296 printf("VNC server running on `%s'\n",
4297 vnc_display_local_addr("default"));
4302 qemu_spice_display_init();
4306 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4310 qdev_machine_creation_done();
4312 if (rom_load_all() != 0) {
4313 fprintf(stderr, "rom loading failed\n");
4317 /* TODO: once all bus devices are qdevified, this should be done
4318 * when bus is created by qdev.c */
4319 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4320 qemu_run_machine_init_done_notifiers();
4322 /* Done notifiers can load ROMs */
4325 qemu_system_reset(VMRESET_SILENT);
4327 if (load_vmstate(loadvm) < 0) {
4332 qdev_prop_check_globals();
4333 if (vmstate_dump_file) {
4335 dump_vmstate_json_to_file(vmstate_dump_file);
4340 Error *local_err = NULL;
4341 qemu_start_incoming_migration(incoming, &local_err);
4343 error_report("-incoming %s: %s", incoming,
4344 error_get_pretty(local_err));
4345 error_free(local_err);
4348 } else if (autostart) {
4354 if (is_daemonized()) {
4355 if (!trace_init_backends(trace_events, trace_file)) {