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 "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
100 #include "fsdev/qemu-fsdev.h"
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
122 #define DEFAULT_RAM_SIZE 128
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
139 NICInfo nd_table[MAX_NICS];
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
149 static bool grab_on_hover;
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
162 const char *vnc_display;
164 int acpi_enabled = 1;
167 static int no_reboot;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int semihosting_enabled = 0;
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;
191 NodeInfo numa_info[MAX_NODES];
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 uint8_t qemu_uuid[16];
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
207 enum xen_mode xen_mode = XEN_EMULATE;
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
242 static QemuOptsList qemu_rtc_opts = {
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .type = QEMU_OPT_STRING,
251 .type = QEMU_OPT_STRING,
254 .type = QEMU_OPT_STRING,
256 { /* end of list */ }
260 static QemuOptsList qemu_sandbox_opts = {
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .type = QEMU_OPT_BOOL,
269 { /* end of list */ }
273 static QemuOptsList qemu_trace_opts = {
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
280 .type = QEMU_OPT_STRING,
283 .type = QEMU_OPT_STRING,
285 { /* end of list */ }
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
296 .type = QEMU_OPT_NUMBER,
299 .type = QEMU_OPT_STRING,
301 { /* end of list */ }
305 static QemuOptsList qemu_machine_opts = {
307 .implied_opt_name = "type",
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
320 static QemuOptsList qemu_boot_opts = {
322 .implied_opt_name = "order",
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
328 .type = QEMU_OPT_STRING,
331 .type = QEMU_OPT_STRING,
334 .type = QEMU_OPT_BOOL,
337 .type = QEMU_OPT_STRING,
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
346 .type = QEMU_OPT_BOOL,
352 static QemuOptsList qemu_add_fd_opts = {
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
369 { /* end of list */ }
373 static QemuOptsList qemu_object_opts = {
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
382 static QemuOptsList qemu_tpmdev_opts = {
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
392 static QemuOptsList qemu_realtime_opts = {
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
398 .type = QEMU_OPT_BOOL,
400 { /* end of list */ }
404 static QemuOptsList qemu_msg_opts = {
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
410 .type = QEMU_OPT_BOOL,
412 { /* end of list */ }
416 static QemuOptsList qemu_name_opts = {
418 .implied_opt_name = "guest",
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
439 { /* End of list */ }
443 static QemuOptsList qemu_mem_opts = {
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
451 .type = QEMU_OPT_SIZE,
455 .type = QEMU_OPT_NUMBER,
459 .type = QEMU_OPT_SIZE,
461 { /* end of list */ }
465 static QemuOptsList qemu_icount_opts = {
467 .implied_opt_name = "shift",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
473 .type = QEMU_OPT_STRING,
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,
494 { /* end of list */ }
499 * Get machine options
501 * Returns: machine options (never null).
503 QemuOpts *qemu_get_machine_opts(void)
505 return qemu_find_opts_singleton("machine");
508 const char *qemu_get_vm_name(void)
513 static void res_free(void)
515 if (boot_splash_filedata != NULL) {
516 g_free(boot_splash_filedata);
517 boot_splash_filedata = NULL;
521 static int default_driver_check(QemuOpts *opts, void *opaque)
523 const char *driver = qemu_opt_get(opts, "driver");
528 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
529 if (strcmp(default_list[i].driver, driver) != 0)
531 *(default_list[i].flag) = 0;
536 /***********************************************************/
539 static RunState current_run_state = RUN_STATE_PRELAUNCH;
541 /* We use RUN_STATE_MAX but any invalid value will do */
542 static RunState vmstop_requested = RUN_STATE_MAX;
543 static QemuMutex vmstop_lock;
548 } RunStateTransition;
550 static const RunStateTransition runstate_transitions_def[] = {
552 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
553 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
555 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
558 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
559 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
561 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
562 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
564 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
565 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
567 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
568 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
570 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
571 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
574 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
575 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
577 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
579 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
580 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
582 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
583 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
585 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
586 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
587 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
588 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
590 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
592 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
593 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
596 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
597 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
598 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
601 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
604 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_MAX, RUN_STATE_MAX },
609 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
611 bool runstate_check(RunState state)
613 return current_run_state == state;
616 static void runstate_init(void)
618 const RunStateTransition *p;
620 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
621 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
622 runstate_valid_transitions[p->from][p->to] = true;
625 qemu_mutex_init(&vmstop_lock);
628 /* This function will abort() on invalid state transitions */
629 void runstate_set(RunState new_state)
631 assert(new_state < RUN_STATE_MAX);
633 if (!runstate_valid_transitions[current_run_state][new_state]) {
634 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
635 RunState_lookup[current_run_state],
636 RunState_lookup[new_state]);
639 trace_runstate_set(new_state);
640 current_run_state = new_state;
643 int runstate_is_running(void)
645 return runstate_check(RUN_STATE_RUNNING);
648 bool runstate_needs_reset(void)
650 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
651 runstate_check(RUN_STATE_SHUTDOWN);
654 StatusInfo *qmp_query_status(Error **errp)
656 StatusInfo *info = g_malloc0(sizeof(*info));
658 info->running = runstate_is_running();
659 info->singlestep = singlestep;
660 info->status = current_run_state;
665 static bool qemu_vmstop_requested(RunState *r)
667 qemu_mutex_lock(&vmstop_lock);
668 *r = vmstop_requested;
669 vmstop_requested = RUN_STATE_MAX;
670 qemu_mutex_unlock(&vmstop_lock);
671 return *r < RUN_STATE_MAX;
674 void qemu_system_vmstop_request_prepare(void)
676 qemu_mutex_lock(&vmstop_lock);
679 void qemu_system_vmstop_request(RunState state)
681 vmstop_requested = state;
682 qemu_mutex_unlock(&vmstop_lock);
690 qemu_vmstop_requested(&requested);
691 if (runstate_is_running() && requested == RUN_STATE_MAX) {
695 /* Ensure that a STOP/RESUME pair of events is emitted if a
696 * vmstop request was pending. The BLOCK_IO_ERROR event, for
697 * example, according to documentation is always followed by
700 if (runstate_is_running()) {
701 qapi_event_send_stop(&error_abort);
704 runstate_set(RUN_STATE_RUNNING);
705 vm_state_notify(1, RUN_STATE_RUNNING);
709 qapi_event_send_resume(&error_abort);
713 /***********************************************************/
714 /* real time host monotonic timer */
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
724 if (rtc_date_offset == -1) {
728 localtime_r(&ti, tm);
730 ti -= rtc_date_offset;
735 int qemu_timedate_diff(struct tm *tm)
739 if (rtc_date_offset == -1)
741 seconds = mktimegm(tm);
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
748 seconds = mktimegm(tm) + rtc_date_offset;
750 return seconds - time(NULL);
753 static void configure_rtc_date_offset(const char *startdate, int legacy)
755 time_t rtc_start_date;
758 if (!strcmp(startdate, "now") && legacy) {
759 rtc_date_offset = -1;
761 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
769 } else if (sscanf(startdate, "%d-%d-%d",
781 rtc_start_date = mktimegm(&tm);
782 if (rtc_start_date == -1) {
784 fprintf(stderr, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
788 rtc_date_offset = time(NULL) - rtc_start_date;
792 static void configure_rtc(QemuOpts *opts)
796 value = qemu_opt_get(opts, "base");
798 if (!strcmp(value, "utc")) {
800 } else if (!strcmp(value, "localtime")) {
803 configure_rtc_date_offset(value, 0);
806 value = qemu_opt_get(opts, "clock");
808 if (!strcmp(value, "host")) {
809 rtc_clock = QEMU_CLOCK_HOST;
810 } else if (!strcmp(value, "rt")) {
811 rtc_clock = QEMU_CLOCK_REALTIME;
812 } else if (!strcmp(value, "vm")) {
813 rtc_clock = QEMU_CLOCK_VIRTUAL;
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
819 value = qemu_opt_get(opts, "driftfix");
821 if (!strcmp(value, "slew")) {
822 static GlobalProperty slew_lost_ticks[] = {
824 .driver = "mc146818rtc",
825 .property = "lost_tick_policy",
828 { /* end of list */ }
831 qdev_prop_register_global_list(slew_lost_ticks);
832 } else if (!strcmp(value, "none")) {
833 /* discard is default */
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
841 /***********************************************************/
842 /* Bluetooth support */
845 static struct HCIInfo *hci_table[MAX_NICS];
847 struct HCIInfo *qemu_next_hci(void)
849 if (cur_hci == nb_hcis)
852 return hci_table[cur_hci++];
855 static int bt_hci_parse(const char *str)
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
877 hci_table[nb_hcis++] = hci;
882 static void bt_vhci_add(int vlan_id)
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
890 bt_vhci_init(bt_new_hci(vlan));
893 static struct bt_device_s *bt_device_add(const char *opt)
895 struct bt_scatternet_s *vlan;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
904 vlan_id = strtol(endp + 6, &endp, 0);
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
911 vlan = qemu_find_bt_vlan(vlan_id);
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
924 static int bt_parse(const char *opt)
926 const char *endp, *p;
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
932 if (!strstart(endp, ",vlan=", 0))
935 return bt_hci_parse(opt);
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
983 static int parse_name(QemuOpts *opts, void *opaque)
985 const char *proc_name;
987 if (qemu_opt_get(opts, "debug-threads")) {
988 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
990 qemu_name = qemu_opt_get(opts, "guest");
992 proc_name = qemu_opt_get(opts, "process");
994 os_set_proc_name(proc_name);
1000 bool usb_enabled(bool default_usb)
1002 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1003 has_defaults && default_usb);
1007 static int parse_add_fd(QemuOpts *opts, void *opaque)
1009 int fd, dupfd, flags;
1011 const char *fd_opaque = NULL;
1013 fd = qemu_opt_get_number(opts, "fd", -1);
1014 fdset_id = qemu_opt_get_number(opts, "set", -1);
1015 fd_opaque = qemu_opt_get(opts, "opaque");
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd option is required and must be non-negative");
1023 if (fd <= STDERR_FILENO) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "fd cannot be a standard I/O stream");
1030 * All fds inherited across exec() necessarily have FD_CLOEXEC
1031 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1033 flags = fcntl(fd, F_GETFD);
1034 if (flags == -1 || (flags & FD_CLOEXEC)) {
1035 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1036 "fd is not valid or already in use");
1041 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1042 "set option is required and must be non-negative");
1046 #ifdef F_DUPFD_CLOEXEC
1047 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1051 qemu_set_cloexec(dupfd);
1055 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1056 "Error duplicating fd: %s", strerror(errno));
1060 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1061 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1067 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1071 fd = qemu_opt_get_number(opts, "fd", -1);
1078 /***********************************************************/
1079 /* QEMU Block devices */
1081 #define HD_OPTS "media=disk"
1082 #define CDROM_OPTS "media=cdrom"
1084 #define PFLASH_OPTS ""
1088 static int drive_init_func(QemuOpts *opts, void *opaque)
1090 BlockInterfaceType *block_default_type = opaque;
1092 return drive_new(opts, *block_default_type) == NULL;
1095 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1097 if (qemu_opt_get(opts, "snapshot") == NULL) {
1098 qemu_opt_set(opts, "snapshot", "on");
1103 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1104 int index, const char *optstr)
1109 if (!enable || drive_get_by_index(type, index)) {
1113 opts = drive_add(type, index, NULL, optstr);
1115 drive_enable_snapshot(opts, NULL);
1118 dinfo = drive_new(opts, type);
1122 dinfo->is_default = true;
1126 static QemuOptsList qemu_smp_opts = {
1128 .implied_opt_name = "cpus",
1129 .merge_lists = true,
1130 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1134 .type = QEMU_OPT_NUMBER,
1137 .type = QEMU_OPT_NUMBER,
1140 .type = QEMU_OPT_NUMBER,
1143 .type = QEMU_OPT_NUMBER,
1146 .type = QEMU_OPT_NUMBER,
1148 { /*End of list */ }
1152 static void smp_parse(QemuOpts *opts)
1156 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1157 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1158 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1159 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1161 /* compute missing values, prefer sockets over cores over threads */
1162 if (cpus == 0 || sockets == 0) {
1163 sockets = sockets > 0 ? sockets : 1;
1164 cores = cores > 0 ? cores : 1;
1165 threads = threads > 0 ? threads : 1;
1167 cpus = cores * threads * sockets;
1171 threads = threads > 0 ? threads : 1;
1172 cores = cpus / (sockets * threads);
1174 threads = cpus / (cores * sockets);
1178 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1181 smp_cores = cores > 0 ? cores : 1;
1182 smp_threads = threads > 0 ? threads : 1;
1186 if (max_cpus == 0) {
1187 max_cpus = smp_cpus;
1190 if (max_cpus > MAX_CPUMASK_BITS) {
1191 fprintf(stderr, "Unsupported number of maxcpus\n");
1194 if (max_cpus < smp_cpus) {
1195 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1201 static void realtime_init(void)
1204 if (os_mlock() < 0) {
1205 fprintf(stderr, "qemu: locking memory failed\n");
1212 static void configure_msg(QemuOpts *opts)
1214 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1217 /***********************************************************/
1220 static int usb_device_add(const char *devname)
1222 USBDevice *dev = NULL;
1223 #ifndef CONFIG_LINUX
1227 if (!usb_enabled(false)) {
1231 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1232 dev = usbdevice_create(devname);
1236 /* the other ones */
1237 #ifndef CONFIG_LINUX
1238 /* only the linux version is qdev-ified, usb-bsd still needs this */
1239 if (strstart(devname, "host:", &p)) {
1240 dev = usb_host_device_open(usb_bus_find(-1), p);
1250 static int usb_device_del(const char *devname)
1255 if (strstart(devname, "host:", &p)) {
1259 if (!usb_enabled(false)) {
1263 p = strchr(devname, '.');
1266 bus_num = strtoul(devname, NULL, 0);
1267 addr = strtoul(p + 1, NULL, 0);
1269 return usb_device_delete_addr(bus_num, addr);
1272 static int usb_parse(const char *cmdline)
1275 r = usb_device_add(cmdline);
1277 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1282 void do_usb_add(Monitor *mon, const QDict *qdict)
1284 const char *devname = qdict_get_str(qdict, "devname");
1285 if (usb_device_add(devname) < 0) {
1286 error_report("could not add USB device '%s'", devname);
1290 void do_usb_del(Monitor *mon, const QDict *qdict)
1292 const char *devname = qdict_get_str(qdict, "devname");
1293 if (usb_device_del(devname) < 0) {
1294 error_report("could not delete USB device '%s'", devname);
1298 /***********************************************************/
1299 /* machine registration */
1301 MachineState *current_machine;
1303 static void machine_class_init(ObjectClass *oc, void *data)
1305 MachineClass *mc = MACHINE_CLASS(oc);
1306 QEMUMachine *qm = data;
1308 mc->family = qm->family;
1309 mc->name = qm->name;
1310 mc->alias = qm->alias;
1311 mc->desc = qm->desc;
1312 mc->init = qm->init;
1313 mc->reset = qm->reset;
1314 mc->hot_add_cpu = qm->hot_add_cpu;
1315 mc->kvm_type = qm->kvm_type;
1316 mc->block_default_type = qm->block_default_type;
1317 mc->units_per_default_bus = qm->units_per_default_bus;
1318 mc->max_cpus = qm->max_cpus;
1319 mc->no_serial = qm->no_serial;
1320 mc->no_parallel = qm->no_parallel;
1321 mc->use_virtcon = qm->use_virtcon;
1322 mc->use_sclp = qm->use_sclp;
1323 mc->no_floppy = qm->no_floppy;
1324 mc->no_cdrom = qm->no_cdrom;
1325 mc->no_sdcard = qm->no_sdcard;
1326 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1327 mc->is_default = qm->is_default;
1328 mc->default_machine_opts = qm->default_machine_opts;
1329 mc->default_boot_order = qm->default_boot_order;
1330 mc->default_display = qm->default_display;
1331 mc->compat_props = qm->compat_props;
1332 mc->hw_version = qm->hw_version;
1335 int qemu_register_machine(QEMUMachine *m)
1337 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1340 .parent = TYPE_MACHINE,
1341 .class_init = machine_class_init,
1342 .class_data = (void *)m,
1351 static MachineClass *find_machine(const char *name)
1353 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1354 MachineClass *mc = NULL;
1356 for (el = machines; el; el = el->next) {
1357 MachineClass *temp = el->data;
1359 if (!strcmp(temp->name, name)) {
1364 !strcmp(temp->alias, name)) {
1370 g_slist_free(machines);
1374 MachineClass *find_default_machine(void)
1376 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1377 MachineClass *mc = NULL;
1379 for (el = machines; el; el = el->next) {
1380 MachineClass *temp = el->data;
1382 if (temp->is_default) {
1388 g_slist_free(machines);
1392 MachineInfoList *qmp_query_machines(Error **errp)
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineInfoList *mach_list = NULL;
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *mc = el->data;
1399 MachineInfoList *entry;
1402 info = g_malloc0(sizeof(*info));
1403 if (mc->is_default) {
1404 info->has_is_default = true;
1405 info->is_default = true;
1409 info->has_alias = true;
1410 info->alias = g_strdup(mc->alias);
1413 info->name = g_strdup(mc->name);
1414 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1416 entry = g_malloc0(sizeof(*entry));
1417 entry->value = info;
1418 entry->next = mach_list;
1422 g_slist_free(machines);
1426 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1428 ObjectProperty *prop;
1430 if (!qemu_opt_has_help_opt(opts)) {
1434 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1439 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1440 prop->name, prop->type);
1441 if (prop->description) {
1442 error_printf(" (%s)\n", prop->description);
1451 /***********************************************************/
1452 /* main execution loop */
1454 struct vm_change_state_entry {
1455 VMChangeStateHandler *cb;
1457 QLIST_ENTRY (vm_change_state_entry) entries;
1460 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1462 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1465 VMChangeStateEntry *e;
1467 e = g_malloc0(sizeof (*e));
1471 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1475 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1477 QLIST_REMOVE (e, entries);
1481 void vm_state_notify(int running, RunState state)
1483 VMChangeStateEntry *e, *next;
1485 trace_vm_state_notify(running, state);
1487 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1488 e->cb(e->opaque, running, state);
1492 /* reset/shutdown handler */
1494 typedef struct QEMUResetEntry {
1495 QTAILQ_ENTRY(QEMUResetEntry) entry;
1496 QEMUResetHandler *func;
1500 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1501 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1502 static int reset_requested;
1503 static int shutdown_requested, shutdown_signal = -1;
1504 static pid_t shutdown_pid;
1505 static int powerdown_requested;
1506 static int debug_requested;
1507 static int suspend_requested;
1508 static WakeupReason wakeup_reason;
1509 static NotifierList powerdown_notifiers =
1510 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1511 static NotifierList suspend_notifiers =
1512 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1513 static NotifierList wakeup_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1515 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1517 int qemu_shutdown_requested_get(void)
1519 return shutdown_requested;
1522 int qemu_reset_requested_get(void)
1524 return reset_requested;
1527 static int qemu_shutdown_requested(void)
1529 return atomic_xchg(&shutdown_requested, 0);
1532 static void qemu_kill_report(void)
1534 if (!qtest_driver() && shutdown_signal != -1) {
1535 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1536 if (shutdown_pid == 0) {
1537 /* This happens for eg ^C at the terminal, so it's worth
1538 * avoiding printing an odd message in that case.
1540 fputc('\n', stderr);
1542 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1544 shutdown_signal = -1;
1548 static int qemu_reset_requested(void)
1550 int r = reset_requested;
1551 reset_requested = 0;
1555 static int qemu_suspend_requested(void)
1557 int r = suspend_requested;
1558 suspend_requested = 0;
1562 static WakeupReason qemu_wakeup_requested(void)
1564 return wakeup_reason;
1567 static int qemu_powerdown_requested(void)
1569 int r = powerdown_requested;
1570 powerdown_requested = 0;
1574 static int qemu_debug_requested(void)
1576 int r = debug_requested;
1577 debug_requested = 0;
1581 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1583 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1586 re->opaque = opaque;
1587 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1590 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1594 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1595 if (re->func == func && re->opaque == opaque) {
1596 QTAILQ_REMOVE(&reset_handlers, re, entry);
1603 void qemu_devices_reset(void)
1605 QEMUResetEntry *re, *nre;
1607 /* reset all devices */
1608 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1609 re->func(re->opaque);
1613 void qemu_system_reset(bool report)
1617 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1619 if (mc && mc->reset) {
1622 qemu_devices_reset();
1625 qapi_event_send_reset(&error_abort);
1627 cpu_synchronize_all_post_reset();
1630 void qemu_system_reset_request(void)
1633 shutdown_requested = 1;
1635 reset_requested = 1;
1638 qemu_notify_event();
1641 static void qemu_system_suspend(void)
1644 notifier_list_notify(&suspend_notifiers, NULL);
1645 runstate_set(RUN_STATE_SUSPENDED);
1646 qapi_event_send_suspend(&error_abort);
1649 void qemu_system_suspend_request(void)
1651 if (runstate_check(RUN_STATE_SUSPENDED)) {
1654 suspend_requested = 1;
1656 qemu_notify_event();
1659 void qemu_register_suspend_notifier(Notifier *notifier)
1661 notifier_list_add(&suspend_notifiers, notifier);
1664 void qemu_system_wakeup_request(WakeupReason reason)
1666 trace_system_wakeup_request(reason);
1668 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1671 if (!(wakeup_reason_mask & (1 << reason))) {
1674 runstate_set(RUN_STATE_RUNNING);
1675 wakeup_reason = reason;
1676 qemu_notify_event();
1679 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1682 wakeup_reason_mask |= (1 << reason);
1684 wakeup_reason_mask &= ~(1 << reason);
1688 void qemu_register_wakeup_notifier(Notifier *notifier)
1690 notifier_list_add(&wakeup_notifiers, notifier);
1693 void qemu_system_killed(int signal, pid_t pid)
1695 shutdown_signal = signal;
1698 qemu_system_shutdown_request();
1701 void qemu_system_shutdown_request(void)
1703 trace_qemu_system_shutdown_request();
1704 shutdown_requested = 1;
1705 qemu_notify_event();
1708 static void qemu_system_powerdown(void)
1710 qapi_event_send_powerdown(&error_abort);
1711 notifier_list_notify(&powerdown_notifiers, NULL);
1714 void qemu_system_powerdown_request(void)
1716 trace_qemu_system_powerdown_request();
1717 powerdown_requested = 1;
1718 qemu_notify_event();
1721 void qemu_register_powerdown_notifier(Notifier *notifier)
1723 notifier_list_add(&powerdown_notifiers, notifier);
1726 void qemu_system_debug_request(void)
1728 debug_requested = 1;
1729 qemu_notify_event();
1732 static bool main_loop_should_exit(void)
1735 if (qemu_debug_requested()) {
1736 vm_stop(RUN_STATE_DEBUG);
1738 if (qemu_suspend_requested()) {
1739 qemu_system_suspend();
1741 if (qemu_shutdown_requested()) {
1743 qapi_event_send_shutdown(&error_abort);
1745 vm_stop(RUN_STATE_SHUTDOWN);
1750 if (qemu_reset_requested()) {
1752 cpu_synchronize_all_states();
1753 qemu_system_reset(VMRESET_REPORT);
1755 if (runstate_needs_reset()) {
1756 runstate_set(RUN_STATE_PAUSED);
1759 if (qemu_wakeup_requested()) {
1761 cpu_synchronize_all_states();
1762 qemu_system_reset(VMRESET_SILENT);
1763 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1764 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1766 qapi_event_send_wakeup(&error_abort);
1768 if (qemu_powerdown_requested()) {
1769 qemu_system_powerdown();
1771 if (qemu_vmstop_requested(&r)) {
1777 static void main_loop(void)
1781 #ifdef CONFIG_PROFILER
1785 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1786 #ifdef CONFIG_PROFILER
1787 ti = profile_getclock();
1789 last_io = main_loop_wait(nonblocking);
1790 #ifdef CONFIG_PROFILER
1791 dev_time += profile_getclock() - ti;
1793 } while (!main_loop_should_exit());
1796 static void version(void)
1798 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1801 static void help(int exitcode)
1804 printf("usage: %s [options] [disk_image]\n\n"
1805 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1806 error_get_progname());
1808 #define QEMU_OPTIONS_GENERATE_HELP
1809 #include "qemu-options-wrapper.h"
1811 printf("\nDuring emulation, the following keys are useful:\n"
1812 "ctrl-alt-f toggle full screen\n"
1813 "ctrl-alt-n switch to virtual console 'n'\n"
1814 "ctrl-alt toggle mouse and keyboard grab\n"
1816 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1821 #define HAS_ARG 0x0001
1823 typedef struct QEMUOption {
1830 static const QEMUOption qemu_options[] = {
1831 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1832 #define QEMU_OPTIONS_GENERATE_OPTIONS
1833 #include "qemu-options-wrapper.h"
1837 static bool vga_available(void)
1839 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1842 static bool cirrus_vga_available(void)
1844 return object_class_by_name("cirrus-vga")
1845 || object_class_by_name("isa-cirrus-vga");
1848 static bool vmware_vga_available(void)
1850 return object_class_by_name("vmware-svga");
1853 static bool qxl_vga_available(void)
1855 return object_class_by_name("qxl-vga");
1858 static bool tcx_vga_available(void)
1860 return object_class_by_name("SUNW,tcx");
1863 static bool cg3_vga_available(void)
1865 return object_class_by_name("cgthree");
1868 static void select_vgahw (const char *p)
1872 assert(vga_interface_type == VGA_NONE);
1873 if (strstart(p, "std", &opts)) {
1874 if (vga_available()) {
1875 vga_interface_type = VGA_STD;
1877 fprintf(stderr, "Error: standard VGA not available\n");
1880 } else if (strstart(p, "cirrus", &opts)) {
1881 if (cirrus_vga_available()) {
1882 vga_interface_type = VGA_CIRRUS;
1884 fprintf(stderr, "Error: Cirrus VGA not available\n");
1887 } else if (strstart(p, "vmware", &opts)) {
1888 if (vmware_vga_available()) {
1889 vga_interface_type = VGA_VMWARE;
1891 fprintf(stderr, "Error: VMWare SVGA not available\n");
1894 } else if (strstart(p, "xenfb", &opts)) {
1895 vga_interface_type = VGA_XENFB;
1896 } else if (strstart(p, "qxl", &opts)) {
1897 if (qxl_vga_available()) {
1898 vga_interface_type = VGA_QXL;
1900 fprintf(stderr, "Error: QXL VGA not available\n");
1903 } else if (strstart(p, "tcx", &opts)) {
1904 if (tcx_vga_available()) {
1905 vga_interface_type = VGA_TCX;
1907 fprintf(stderr, "Error: TCX framebuffer not available\n");
1910 } else if (strstart(p, "cg3", &opts)) {
1911 if (cg3_vga_available()) {
1912 vga_interface_type = VGA_CG3;
1914 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1917 } else if (!strstart(p, "none", &opts)) {
1919 fprintf(stderr, "Unknown vga type: %s\n", p);
1923 const char *nextopt;
1925 if (strstart(opts, ",retrace=", &nextopt)) {
1927 if (strstart(opts, "dumb", &nextopt))
1928 vga_retrace_method = VGA_RETRACE_DUMB;
1929 else if (strstart(opts, "precise", &nextopt))
1930 vga_retrace_method = VGA_RETRACE_PRECISE;
1931 else goto invalid_vga;
1932 } else goto invalid_vga;
1937 static DisplayType select_display(const char *p)
1940 DisplayType display = DT_DEFAULT;
1942 if (strstart(p, "sdl", &opts)) {
1946 const char *nextopt;
1948 if (strstart(opts, ",frame=", &nextopt)) {
1950 if (strstart(opts, "on", &nextopt)) {
1952 } else if (strstart(opts, "off", &nextopt)) {
1955 goto invalid_sdl_args;
1957 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1959 if (strstart(opts, "on", &nextopt)) {
1961 } else if (strstart(opts, "off", &nextopt)) {
1964 goto invalid_sdl_args;
1966 } else if (strstart(opts, ",ctrl_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, ",window_close=", &nextopt)) {
1977 if (strstart(opts, "on", &nextopt)) {
1979 } else if (strstart(opts, "off", &nextopt)) {
1982 goto invalid_sdl_args;
1986 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1992 fprintf(stderr, "SDL support is disabled\n");
1995 } else if (strstart(p, "vnc", &opts)) {
2000 const char *nextopt;
2002 if (strstart(opts, "=", &nextopt)) {
2003 vnc_display = nextopt;
2007 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2011 fprintf(stderr, "VNC support is disabled\n");
2014 } else if (strstart(p, "curses", &opts)) {
2015 #ifdef CONFIG_CURSES
2016 display = DT_CURSES;
2018 fprintf(stderr, "Curses support is disabled\n");
2021 } else if (strstart(p, "gtk", &opts)) {
2025 const char *nextopt;
2027 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2029 if (strstart(opts, "on", &nextopt)) {
2030 grab_on_hover = true;
2031 } else if (strstart(opts, "off", &nextopt)) {
2032 grab_on_hover = false;
2034 goto invalid_gtk_args;
2038 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2044 fprintf(stderr, "GTK support is disabled\n");
2047 } else if (strstart(p, "none", &opts)) {
2050 fprintf(stderr, "Unknown display type: %s\n", p);
2057 static int balloon_parse(const char *arg)
2061 if (strcmp(arg, "none") == 0) {
2065 if (!strncmp(arg, "virtio", 6)) {
2066 if (arg[6] == ',') {
2067 /* have params -> parse them */
2068 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2072 /* create empty opts */
2073 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2076 qemu_opt_set(opts, "driver", "virtio-balloon");
2083 char *qemu_find_file(int type, const char *name)
2089 /* Try the name as a straight path first */
2090 if (access(name, R_OK) == 0) {
2091 trace_load_file(name, name);
2092 return g_strdup(name);
2096 case QEMU_FILE_TYPE_BIOS:
2099 case QEMU_FILE_TYPE_KEYMAP:
2100 subdir = "keymaps/";
2106 for (i = 0; i < data_dir_idx; i++) {
2107 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2108 if (access(buf, R_OK) == 0) {
2109 trace_load_file(name, buf);
2117 static int device_help_func(QemuOpts *opts, void *opaque)
2119 return qdev_device_help(opts);
2122 static int device_init_func(QemuOpts *opts, void *opaque)
2126 dev = qdev_device_add(opts);
2129 object_unref(OBJECT(dev));
2133 static int chardev_init_func(QemuOpts *opts, void *opaque)
2135 Error *local_err = NULL;
2137 qemu_chr_new_from_opts(opts, NULL, &local_err);
2139 error_report("%s", error_get_pretty(local_err));
2140 error_free(local_err);
2146 #ifdef CONFIG_VIRTFS
2147 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2150 ret = qemu_fsdev_add(opts);
2156 static int mon_init_func(QemuOpts *opts, void *opaque)
2158 CharDriverState *chr;
2159 const char *chardev;
2163 mode = qemu_opt_get(opts, "mode");
2167 if (strcmp(mode, "readline") == 0) {
2168 flags = MONITOR_USE_READLINE;
2169 } else if (strcmp(mode, "control") == 0) {
2170 flags = MONITOR_USE_CONTROL;
2172 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2176 if (qemu_opt_get_bool(opts, "pretty", 0))
2177 flags |= MONITOR_USE_PRETTY;
2179 if (qemu_opt_get_bool(opts, "default", 0))
2180 flags |= MONITOR_IS_DEFAULT;
2182 chardev = qemu_opt_get(opts, "chardev");
2183 chr = qemu_chr_find(chardev);
2185 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2189 qemu_chr_fe_claim_no_fail(chr);
2190 monitor_init(chr, flags);
2194 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2196 static int monitor_device_index = 0;
2202 if (strstart(optarg, "chardev:", &p)) {
2203 snprintf(label, sizeof(label), "%s", p);
2205 snprintf(label, sizeof(label), "compat_monitor%d",
2206 monitor_device_index);
2207 if (monitor_device_index == 0) {
2210 opts = qemu_chr_parse_compat(label, optarg);
2212 fprintf(stderr, "parse error: %s\n", optarg);
2217 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2219 fprintf(stderr, "duplicate chardev: %s\n", label);
2222 qemu_opt_set(opts, "mode", mode);
2223 qemu_opt_set(opts, "chardev", label);
2224 qemu_opt_set_bool(opts, "pretty", pretty);
2226 qemu_opt_set(opts, "default", "on");
2227 monitor_device_index++;
2230 struct device_config {
2232 DEV_USB, /* -usbdevice */
2234 DEV_SERIAL, /* -serial */
2235 DEV_PARALLEL, /* -parallel */
2236 DEV_VIRTCON, /* -virtioconsole */
2237 DEV_DEBUGCON, /* -debugcon */
2238 DEV_GDB, /* -gdb, -s */
2239 DEV_SCLP, /* s390 sclp */
2241 const char *cmdline;
2243 QTAILQ_ENTRY(device_config) next;
2246 static QTAILQ_HEAD(, device_config) device_configs =
2247 QTAILQ_HEAD_INITIALIZER(device_configs);
2249 static void add_device_config(int type, const char *cmdline)
2251 struct device_config *conf;
2253 conf = g_malloc0(sizeof(*conf));
2255 conf->cmdline = cmdline;
2256 loc_save(&conf->loc);
2257 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2260 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2262 struct device_config *conf;
2265 QTAILQ_FOREACH(conf, &device_configs, next) {
2266 if (conf->type != type)
2268 loc_push_restore(&conf->loc);
2269 rc = func(conf->cmdline);
2270 loc_pop(&conf->loc);
2278 static int serial_parse(const char *devname)
2280 static int index = 0;
2283 if (strcmp(devname, "none") == 0)
2285 if (index == MAX_SERIAL_PORTS) {
2286 fprintf(stderr, "qemu: too many serial ports\n");
2289 snprintf(label, sizeof(label), "serial%d", index);
2290 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2291 if (!serial_hds[index]) {
2292 fprintf(stderr, "qemu: could not connect serial device"
2293 " to character backend '%s'\n", devname);
2300 static int parallel_parse(const char *devname)
2302 static int index = 0;
2305 if (strcmp(devname, "none") == 0)
2307 if (index == MAX_PARALLEL_PORTS) {
2308 fprintf(stderr, "qemu: too many parallel ports\n");
2311 snprintf(label, sizeof(label), "parallel%d", index);
2312 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2313 if (!parallel_hds[index]) {
2314 fprintf(stderr, "qemu: could not connect parallel device"
2315 " to character backend '%s'\n", devname);
2322 static int virtcon_parse(const char *devname)
2324 QemuOptsList *device = qemu_find_opts("device");
2325 static int index = 0;
2327 QemuOpts *bus_opts, *dev_opts;
2329 if (strcmp(devname, "none") == 0)
2331 if (index == MAX_VIRTIO_CONSOLES) {
2332 fprintf(stderr, "qemu: too many virtio consoles\n");
2336 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2337 if (arch_type == QEMU_ARCH_S390X) {
2338 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2343 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2344 qemu_opt_set(dev_opts, "driver", "virtconsole");
2346 snprintf(label, sizeof(label), "virtcon%d", index);
2347 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2348 if (!virtcon_hds[index]) {
2349 fprintf(stderr, "qemu: could not connect virtio console"
2350 " to character backend '%s'\n", devname);
2353 qemu_opt_set(dev_opts, "chardev", label);
2359 static int sclp_parse(const char *devname)
2361 QemuOptsList *device = qemu_find_opts("device");
2362 static int index = 0;
2366 if (strcmp(devname, "none") == 0) {
2369 if (index == MAX_SCLP_CONSOLES) {
2370 fprintf(stderr, "qemu: too many sclp consoles\n");
2374 assert(arch_type == QEMU_ARCH_S390X);
2376 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2377 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2379 snprintf(label, sizeof(label), "sclpcon%d", index);
2380 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2381 if (!sclp_hds[index]) {
2382 fprintf(stderr, "qemu: could not connect sclp console"
2383 " to character backend '%s'\n", devname);
2386 qemu_opt_set(dev_opts, "chardev", label);
2392 static int debugcon_parse(const char *devname)
2396 if (!qemu_chr_new("debugcon", devname, NULL)) {
2399 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2401 fprintf(stderr, "qemu: already have a debugcon device\n");
2404 qemu_opt_set(opts, "driver", "isa-debugcon");
2405 qemu_opt_set(opts, "chardev", "debugcon");
2409 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2411 const MachineClass *mc1 = a, *mc2 = b;
2414 if (mc1->family == NULL) {
2415 if (mc2->family == NULL) {
2416 /* Compare standalone machine types against each other; they sort
2417 * in increasing order.
2419 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2420 object_class_get_name(OBJECT_CLASS(mc2)));
2423 /* Standalone machine types sort after families. */
2427 if (mc2->family == NULL) {
2428 /* Families sort before standalone machine types. */
2432 /* Families sort between each other alphabetically increasingly. */
2433 res = strcmp(mc1->family, mc2->family);
2438 /* Within the same family, machine types sort in decreasing order. */
2439 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2440 object_class_get_name(OBJECT_CLASS(mc1)));
2443 static MachineClass *machine_parse(const char *name)
2445 MachineClass *mc = NULL;
2446 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2449 mc = find_machine(name);
2454 if (name && !is_help_option(name)) {
2455 error_report("Unsupported machine type");
2456 error_printf("Use -machine help to list supported machines!\n");
2458 printf("Supported machines are:\n");
2459 machines = g_slist_sort(machines, machine_class_cmp);
2460 for (el = machines; el; el = el->next) {
2461 MachineClass *mc = el->data;
2463 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2465 printf("%-20s %s%s\n", mc->name, mc->desc,
2466 mc->is_default ? " (default)" : "");
2470 g_slist_free(machines);
2471 exit(!name || !is_help_option(name));
2474 void qemu_add_exit_notifier(Notifier *notify)
2476 notifier_list_add(&exit_notifiers, notify);
2479 void qemu_remove_exit_notifier(Notifier *notify)
2481 notifier_remove(notify);
2484 static void qemu_run_exit_notifiers(void)
2486 notifier_list_notify(&exit_notifiers, NULL);
2489 void qemu_add_machine_init_done_notifier(Notifier *notify)
2491 notifier_list_add(&machine_init_done_notifiers, notify);
2494 static void qemu_run_machine_init_done_notifiers(void)
2496 notifier_list_notify(&machine_init_done_notifiers, NULL);
2499 static const QEMUOption *lookup_opt(int argc, char **argv,
2500 const char **poptarg, int *poptind)
2502 const QEMUOption *popt;
2503 int optind = *poptind;
2504 char *r = argv[optind];
2507 loc_set_cmdline(argv, optind, 1);
2509 /* Treat --foo the same as -foo. */
2512 popt = qemu_options;
2515 error_report("invalid option");
2518 if (!strcmp(popt->name, r + 1))
2522 if (popt->flags & HAS_ARG) {
2523 if (optind >= argc) {
2524 error_report("requires an argument");
2527 optarg = argv[optind++];
2528 loc_set_cmdline(argv, optind - 2, 2);
2539 static gpointer malloc_and_trace(gsize n_bytes)
2541 void *ptr = malloc(n_bytes);
2542 trace_g_malloc(n_bytes, ptr);
2546 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2548 void *ptr = realloc(mem, n_bytes);
2549 trace_g_realloc(mem, n_bytes, ptr);
2553 static void free_and_trace(gpointer mem)
2559 static int machine_set_property(const char *name, const char *value,
2562 Object *obj = OBJECT(opaque);
2563 Error *local_err = NULL;
2566 if (strcmp(name, "type") == 0) {
2570 qom_name = g_strdup(name);
2578 object_property_parse(obj, value, qom_name, &local_err);
2582 qerror_report_err(local_err);
2583 error_free(local_err);
2590 static int object_create(QemuOpts *opts, void *opaque)
2599 ov = opts_visitor_new(opts);
2600 pdict = qemu_opts_to_qdict(opts, NULL);
2602 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2607 qdict_del(pdict, "qom-type");
2608 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2613 qdict_del(pdict, "id");
2614 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2619 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2623 visit_end_struct(opts_get_visitor(ov), &err);
2625 qmp_object_del(id, NULL);
2629 opts_visitor_cleanup(ov);
2636 qerror_report_err(err);
2643 int main(int argc, char **argv, char **envp)
2646 int snapshot, linux_boot;
2647 const char *initrd_filename;
2648 const char *kernel_filename, *kernel_cmdline;
2649 const char *boot_order;
2651 int cyls, heads, secs, translation;
2652 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2653 QemuOptsList *olist;
2656 const char *loadvm = NULL;
2657 MachineClass *machine_class;
2658 const char *cpu_model;
2659 const char *vga_model = NULL;
2660 const char *qtest_chrdev = NULL;
2661 const char *qtest_log = NULL;
2662 const char *pid_file = NULL;
2663 const char *incoming = NULL;
2665 int show_vnc_port = 0;
2667 bool defconfig = true;
2668 bool userconfig = true;
2669 const char *log_mask = NULL;
2670 const char *log_file = NULL;
2671 GMemVTable mem_trace = {
2672 .malloc = malloc_and_trace,
2673 .realloc = realloc_and_trace,
2674 .free = free_and_trace,
2676 const char *trace_events = NULL;
2677 const char *trace_file = NULL;
2678 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2680 ram_addr_t maxram_size = default_ram_size;
2681 uint64_t ram_slots = 0;
2682 FILE *vmstate_dump_file = NULL;
2683 Error *main_loop_err = NULL;
2685 atexit(qemu_run_exit_notifiers);
2686 error_set_progname(argv[0]);
2687 qemu_init_exec_dir(argv[0]);
2689 g_mem_set_vtable(&mem_trace);
2691 module_call_init(MODULE_INIT_QOM);
2693 qemu_add_opts(&qemu_drive_opts);
2694 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2695 qemu_add_drive_opts(&qemu_common_drive_opts);
2696 qemu_add_drive_opts(&qemu_drive_opts);
2697 qemu_add_opts(&qemu_chardev_opts);
2698 qemu_add_opts(&qemu_device_opts);
2699 qemu_add_opts(&qemu_netdev_opts);
2700 qemu_add_opts(&qemu_net_opts);
2701 qemu_add_opts(&qemu_rtc_opts);
2702 qemu_add_opts(&qemu_global_opts);
2703 qemu_add_opts(&qemu_mon_opts);
2704 qemu_add_opts(&qemu_trace_opts);
2705 qemu_add_opts(&qemu_option_rom_opts);
2706 qemu_add_opts(&qemu_machine_opts);
2707 qemu_add_opts(&qemu_mem_opts);
2708 qemu_add_opts(&qemu_smp_opts);
2709 qemu_add_opts(&qemu_boot_opts);
2710 qemu_add_opts(&qemu_sandbox_opts);
2711 qemu_add_opts(&qemu_add_fd_opts);
2712 qemu_add_opts(&qemu_object_opts);
2713 qemu_add_opts(&qemu_tpmdev_opts);
2714 qemu_add_opts(&qemu_realtime_opts);
2715 qemu_add_opts(&qemu_msg_opts);
2716 qemu_add_opts(&qemu_name_opts);
2717 qemu_add_opts(&qemu_numa_opts);
2718 qemu_add_opts(&qemu_icount_opts);
2719 qemu_add_opts(&qemu_semihosting_config_opts);
2723 rtc_clock = QEMU_CLOCK_HOST;
2725 QLIST_INIT (&vm_change_state_head);
2726 os_setup_early_signal_handling();
2728 module_call_init(MODULE_INIT_MACHINE);
2729 machine_class = find_default_machine();
2731 ram_size = default_ram_size;
2733 cyls = heads = secs = 0;
2734 translation = BIOS_ATA_TRANSLATION_AUTO;
2736 for (i = 0; i < MAX_NODES; i++) {
2737 numa_info[i].node_mem = 0;
2738 numa_info[i].present = false;
2739 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2743 max_numa_nodeid = 0;
2746 bdrv_init_with_whitelist();
2750 /* first pass of option parsing */
2752 while (optind < argc) {
2753 if (argv[optind][0] != '-') {
2757 const QEMUOption *popt;
2759 popt = lookup_opt(argc, argv, &optarg, &optind);
2760 switch (popt->index) {
2761 case QEMU_OPTION_nodefconfig:
2764 case QEMU_OPTION_nouserconfig:
2773 ret = qemu_read_default_config_files(userconfig);
2779 /* second pass of option parsing */
2784 if (argv[optind][0] != '-') {
2785 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2787 const QEMUOption *popt;
2789 popt = lookup_opt(argc, argv, &optarg, &optind);
2790 if (!(popt->arch_mask & arch_type)) {
2791 printf("Option %s not supported for this target\n", popt->name);
2794 switch(popt->index) {
2796 machine_class = machine_parse(optarg);
2798 case QEMU_OPTION_no_kvm_irqchip: {
2799 olist = qemu_find_opts("machine");
2800 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2803 case QEMU_OPTION_cpu:
2804 /* hw initialization will check this */
2807 case QEMU_OPTION_hda:
2811 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2813 snprintf(buf, sizeof(buf),
2814 "%s,cyls=%d,heads=%d,secs=%d%s",
2815 HD_OPTS , cyls, heads, secs,
2816 translation == BIOS_ATA_TRANSLATION_LBA ?
2818 translation == BIOS_ATA_TRANSLATION_NONE ?
2819 ",trans=none" : "");
2820 drive_add(IF_DEFAULT, 0, optarg, buf);
2823 case QEMU_OPTION_hdb:
2824 case QEMU_OPTION_hdc:
2825 case QEMU_OPTION_hdd:
2826 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2829 case QEMU_OPTION_drive:
2830 if (drive_def(optarg) == NULL) {
2834 case QEMU_OPTION_set:
2835 if (qemu_set_option(optarg) != 0)
2838 case QEMU_OPTION_global:
2839 if (qemu_global_option(optarg) != 0)
2842 case QEMU_OPTION_mtdblock:
2843 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2845 case QEMU_OPTION_sd:
2846 drive_add(IF_SD, -1, optarg, SD_OPTS);
2848 case QEMU_OPTION_pflash:
2849 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2851 case QEMU_OPTION_snapshot:
2854 case QEMU_OPTION_hdachs:
2858 cyls = strtol(p, (char **)&p, 0);
2859 if (cyls < 1 || cyls > 16383)
2864 heads = strtol(p, (char **)&p, 0);
2865 if (heads < 1 || heads > 16)
2870 secs = strtol(p, (char **)&p, 0);
2871 if (secs < 1 || secs > 63)
2875 if (!strcmp(p, "large")) {
2876 translation = BIOS_ATA_TRANSLATION_LARGE;
2877 } else if (!strcmp(p, "rechs")) {
2878 translation = BIOS_ATA_TRANSLATION_RECHS;
2879 } else if (!strcmp(p, "none")) {
2880 translation = BIOS_ATA_TRANSLATION_NONE;
2881 } else if (!strcmp(p, "lba")) {
2882 translation = BIOS_ATA_TRANSLATION_LBA;
2883 } else if (!strcmp(p, "auto")) {
2884 translation = BIOS_ATA_TRANSLATION_AUTO;
2888 } else if (*p != '\0') {
2890 fprintf(stderr, "qemu: invalid physical CHS format\n");
2893 if (hda_opts != NULL) {
2895 snprintf(num, sizeof(num), "%d", cyls);
2896 qemu_opt_set(hda_opts, "cyls", num);
2897 snprintf(num, sizeof(num), "%d", heads);
2898 qemu_opt_set(hda_opts, "heads", num);
2899 snprintf(num, sizeof(num), "%d", secs);
2900 qemu_opt_set(hda_opts, "secs", num);
2901 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2902 qemu_opt_set(hda_opts, "trans", "large");
2903 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2904 qemu_opt_set(hda_opts, "trans", "rechs");
2905 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2906 qemu_opt_set(hda_opts, "trans", "lba");
2907 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2908 qemu_opt_set(hda_opts, "trans", "none");
2913 case QEMU_OPTION_numa:
2914 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2919 case QEMU_OPTION_display:
2920 display_type = select_display(optarg);
2922 case QEMU_OPTION_nographic:
2923 display_type = DT_NOGRAPHIC;
2925 case QEMU_OPTION_curses:
2926 #ifdef CONFIG_CURSES
2927 display_type = DT_CURSES;
2929 fprintf(stderr, "Curses support is disabled\n");
2933 case QEMU_OPTION_portrait:
2934 graphic_rotate = 90;
2936 case QEMU_OPTION_rotate:
2937 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2938 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2939 graphic_rotate != 180 && graphic_rotate != 270) {
2941 "qemu: only 90, 180, 270 deg rotation is available\n");
2945 case QEMU_OPTION_kernel:
2946 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2948 case QEMU_OPTION_initrd:
2949 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2951 case QEMU_OPTION_append:
2952 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2954 case QEMU_OPTION_dtb:
2955 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2957 case QEMU_OPTION_cdrom:
2958 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2960 case QEMU_OPTION_boot:
2961 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
2966 case QEMU_OPTION_fda:
2967 case QEMU_OPTION_fdb:
2968 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2971 case QEMU_OPTION_no_fd_bootchk:
2974 case QEMU_OPTION_netdev:
2975 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2979 case QEMU_OPTION_net:
2980 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2984 #ifdef CONFIG_LIBISCSI
2985 case QEMU_OPTION_iscsi:
2986 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2993 case QEMU_OPTION_tftp:
2994 legacy_tftp_prefix = optarg;
2996 case QEMU_OPTION_bootp:
2997 legacy_bootp_filename = optarg;
2999 case QEMU_OPTION_redir:
3000 if (net_slirp_redir(optarg) < 0)
3004 case QEMU_OPTION_bt:
3005 add_device_config(DEV_BT, optarg);
3007 case QEMU_OPTION_audio_help:
3011 case QEMU_OPTION_soundhw:
3012 select_soundhw (optarg);
3017 case QEMU_OPTION_version:
3021 case QEMU_OPTION_m: {
3023 const char *mem_str;
3024 const char *maxmem_str, *slots_str;
3026 opts = qemu_opts_parse(qemu_find_opts("memory"),
3032 mem_str = qemu_opt_get(opts, "size");
3034 error_report("invalid -m option, missing 'size' option");
3038 error_report("missing 'size' option value");
3042 sz = qemu_opt_get_size(opts, "size", ram_size);
3044 /* Fix up legacy suffix-less format */
3045 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3046 uint64_t overflow_check = sz;
3049 if ((sz >> 20) != overflow_check) {
3050 error_report("too large 'size' option value");
3055 /* backward compatibility behaviour for case "-m 0" */
3057 sz = default_ram_size;
3060 sz = QEMU_ALIGN_UP(sz, 8192);
3062 if (ram_size != sz) {
3063 error_report("ram size too large");
3066 maxram_size = ram_size;
3068 maxmem_str = qemu_opt_get(opts, "maxmem");
3069 slots_str = qemu_opt_get(opts, "slots");
3070 if (maxmem_str && slots_str) {
3073 sz = qemu_opt_get_size(opts, "maxmem", 0);
3074 if (sz < ram_size) {
3075 error_report("invalid -m option value: maxmem "
3076 "(0x%" PRIx64 ") <= initial memory (0x"
3077 RAM_ADDR_FMT ")", sz, ram_size);
3081 slots = qemu_opt_get_number(opts, "slots", 0);
3082 if ((sz > ram_size) && !slots) {
3083 error_report("invalid -m option value: maxmem "
3084 "(0x%" PRIx64 ") more than initial memory (0x"
3085 RAM_ADDR_FMT ") but no hotplug slots where "
3086 "specified", sz, ram_size);
3090 if ((sz <= ram_size) && slots) {
3091 error_report("invalid -m option value: %"
3092 PRIu64 " hotplug slots where specified but "
3093 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3094 RAM_ADDR_FMT ")", slots, sz, ram_size);
3099 } else if ((!maxmem_str && slots_str) ||
3100 (maxmem_str && !slots_str)) {
3101 error_report("invalid -m option value: missing "
3102 "'%s' option", slots_str ? "maxmem" : "slots");
3108 case QEMU_OPTION_tpmdev:
3109 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3114 case QEMU_OPTION_mempath:
3117 case QEMU_OPTION_mem_prealloc:
3127 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3129 case QEMU_OPTION_gdb:
3130 add_device_config(DEV_GDB, optarg);
3133 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3134 data_dir[data_dir_idx++] = optarg;
3137 case QEMU_OPTION_bios:
3138 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3140 case QEMU_OPTION_singlestep:
3147 keyboard_layout = optarg;
3149 case QEMU_OPTION_localtime:
3152 case QEMU_OPTION_vga:
3161 w = strtol(p, (char **)&p, 10);
3164 fprintf(stderr, "qemu: invalid resolution or depth\n");
3170 h = strtol(p, (char **)&p, 10);
3175 depth = strtol(p, (char **)&p, 10);
3176 if (depth != 8 && depth != 15 && depth != 16 &&
3177 depth != 24 && depth != 32)
3179 } else if (*p == '\0') {
3180 depth = graphic_depth;
3187 graphic_depth = depth;
3190 case QEMU_OPTION_echr:
3193 term_escape_char = strtol(optarg, &r, 0);
3195 printf("Bad argument to echr\n");
3198 case QEMU_OPTION_monitor:
3199 default_monitor = 0;
3200 if (strncmp(optarg, "none", 4)) {
3201 monitor_parse(optarg, "readline", false);
3204 case QEMU_OPTION_qmp:
3205 monitor_parse(optarg, "control", false);
3206 default_monitor = 0;
3208 case QEMU_OPTION_qmp_pretty:
3209 monitor_parse(optarg, "control", true);
3210 default_monitor = 0;
3212 case QEMU_OPTION_mon:
3213 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3217 default_monitor = 0;
3219 case QEMU_OPTION_chardev:
3220 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3225 case QEMU_OPTION_fsdev:
3226 olist = qemu_find_opts("fsdev");
3228 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3231 opts = qemu_opts_parse(olist, optarg, 1);
3236 case QEMU_OPTION_virtfs: {
3239 const char *writeout, *sock_fd, *socket;
3241 olist = qemu_find_opts("virtfs");
3243 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3246 opts = qemu_opts_parse(olist, optarg, 1);
3251 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3252 qemu_opt_get(opts, "mount_tag") == NULL) {
3253 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3256 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3257 qemu_opt_get(opts, "mount_tag"),
3260 fprintf(stderr, "duplicate fsdev id: %s\n",
3261 qemu_opt_get(opts, "mount_tag"));
3265 writeout = qemu_opt_get(opts, "writeout");
3267 #ifdef CONFIG_SYNC_FILE_RANGE
3268 qemu_opt_set(fsdev, "writeout", writeout);
3270 fprintf(stderr, "writeout=immediate not supported on "
3275 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3276 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3277 qemu_opt_set(fsdev, "security_model",
3278 qemu_opt_get(opts, "security_model"));
3279 socket = qemu_opt_get(opts, "socket");
3281 qemu_opt_set(fsdev, "socket", socket);
3283 sock_fd = qemu_opt_get(opts, "sock_fd");
3285 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3288 qemu_opt_set_bool(fsdev, "readonly",
3289 qemu_opt_get_bool(opts, "readonly", 0));
3290 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3292 qemu_opt_set(device, "driver", "virtio-9p-pci");
3293 qemu_opt_set(device, "fsdev",
3294 qemu_opt_get(opts, "mount_tag"));
3295 qemu_opt_set(device, "mount_tag",
3296 qemu_opt_get(opts, "mount_tag"));
3299 case QEMU_OPTION_virtfs_synth: {
3303 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3306 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3309 qemu_opt_set(fsdev, "fsdriver", "synth");
3311 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3313 qemu_opt_set(device, "driver", "virtio-9p-pci");
3314 qemu_opt_set(device, "fsdev", "v_synth");
3315 qemu_opt_set(device, "mount_tag", "v_synth");
3318 case QEMU_OPTION_serial:
3319 add_device_config(DEV_SERIAL, optarg);
3321 if (strncmp(optarg, "mon:", 4) == 0) {
3322 default_monitor = 0;
3325 case QEMU_OPTION_watchdog:
3328 "qemu: only one watchdog option may be given\n");
3333 case QEMU_OPTION_watchdog_action:
3334 if (select_watchdog_action(optarg) == -1) {
3335 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3339 case QEMU_OPTION_virtiocon:
3340 add_device_config(DEV_VIRTCON, optarg);
3341 default_virtcon = 0;
3342 if (strncmp(optarg, "mon:", 4) == 0) {
3343 default_monitor = 0;
3346 case QEMU_OPTION_parallel:
3347 add_device_config(DEV_PARALLEL, optarg);
3348 default_parallel = 0;
3349 if (strncmp(optarg, "mon:", 4) == 0) {
3350 default_monitor = 0;
3353 case QEMU_OPTION_debugcon:
3354 add_device_config(DEV_DEBUGCON, optarg);
3356 case QEMU_OPTION_loadvm:
3359 case QEMU_OPTION_full_screen:
3362 case QEMU_OPTION_no_frame:
3365 case QEMU_OPTION_alt_grab:
3368 case QEMU_OPTION_ctrl_grab:
3371 case QEMU_OPTION_no_quit:
3374 case QEMU_OPTION_sdl:
3376 display_type = DT_SDL;
3379 fprintf(stderr, "SDL support is disabled\n");
3382 case QEMU_OPTION_pidfile:
3385 case QEMU_OPTION_win2k_hack:
3386 win2k_install_hack = 1;
3388 case QEMU_OPTION_rtc_td_hack: {
3389 static GlobalProperty slew_lost_ticks[] = {
3391 .driver = "mc146818rtc",
3392 .property = "lost_tick_policy",
3395 { /* end of list */ }
3398 qdev_prop_register_global_list(slew_lost_ticks);
3401 case QEMU_OPTION_acpitable:
3402 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3406 do_acpitable_option(opts);
3408 case QEMU_OPTION_smbios:
3409 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3413 do_smbios_option(opts);
3415 case QEMU_OPTION_enable_kvm:
3416 olist = qemu_find_opts("machine");
3417 qemu_opts_parse(olist, "accel=kvm", 0);
3419 case QEMU_OPTION_machine:
3420 olist = qemu_find_opts("machine");
3421 opts = qemu_opts_parse(olist, optarg, 1);
3425 optarg = qemu_opt_get(opts, "type");
3427 machine_class = machine_parse(optarg);
3430 case QEMU_OPTION_no_kvm:
3431 olist = qemu_find_opts("machine");
3432 qemu_opts_parse(olist, "accel=tcg", 0);
3434 case QEMU_OPTION_no_kvm_pit: {
3435 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3439 case QEMU_OPTION_no_kvm_pit_reinjection: {
3440 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3442 .driver = "kvm-pit",
3443 .property = "lost_tick_policy",
3446 { /* end of list */ }
3449 fprintf(stderr, "Warning: option deprecated, use "
3450 "lost_tick_policy property of kvm-pit instead.\n");
3451 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3454 case QEMU_OPTION_usb:
3455 olist = qemu_find_opts("machine");
3456 qemu_opts_parse(olist, "usb=on", 0);
3458 case QEMU_OPTION_usbdevice:
3459 olist = qemu_find_opts("machine");
3460 qemu_opts_parse(olist, "usb=on", 0);
3461 add_device_config(DEV_USB, optarg);
3463 case QEMU_OPTION_device:
3464 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3468 case QEMU_OPTION_smp:
3469 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3473 case QEMU_OPTION_vnc:
3476 vnc_display = optarg;
3478 fprintf(stderr, "VNC support is disabled\n");
3482 case QEMU_OPTION_no_acpi:
3485 case QEMU_OPTION_no_hpet:
3488 case QEMU_OPTION_balloon:
3489 if (balloon_parse(optarg) < 0) {
3490 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3494 case QEMU_OPTION_no_reboot:
3497 case QEMU_OPTION_no_shutdown:
3500 case QEMU_OPTION_show_cursor:
3503 case QEMU_OPTION_uuid:
3504 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3505 fprintf(stderr, "Fail to parse UUID string."
3506 " Wrong format.\n");
3509 qemu_uuid_set = true;
3511 case QEMU_OPTION_option_rom:
3512 if (nb_option_roms >= MAX_OPTION_ROMS) {
3513 fprintf(stderr, "Too many option ROMs\n");
3516 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3520 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3521 option_rom[nb_option_roms].bootindex =
3522 qemu_opt_get_number(opts, "bootindex", -1);
3523 if (!option_rom[nb_option_roms].name) {
3524 fprintf(stderr, "Option ROM file is not specified\n");
3529 case QEMU_OPTION_semihosting:
3530 semihosting_enabled = 1;
3531 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3533 case QEMU_OPTION_semihosting_config:
3534 semihosting_enabled = 1;
3535 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3538 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3540 const char *target = qemu_opt_get(opts, "target");
3541 if (target != NULL) {
3542 if (strcmp("native", target) == 0) {
3543 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3544 } else if (strcmp("gdb", target) == 0) {
3545 semihosting_target = SEMIHOSTING_TARGET_GDB;
3546 } else if (strcmp("auto", target) == 0) {
3547 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3549 fprintf(stderr, "Unsupported semihosting-config"
3555 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3558 fprintf(stderr, "Unsupported semihosting-config %s\n",
3563 case QEMU_OPTION_tdf:
3564 fprintf(stderr, "Warning: user space PIT time drift fix "
3565 "is no longer supported.\n");
3567 case QEMU_OPTION_name:
3568 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3573 case QEMU_OPTION_prom_env:
3574 if (nb_prom_envs >= MAX_PROM_ENVS) {
3575 fprintf(stderr, "Too many prom variables\n");
3578 prom_envs[nb_prom_envs] = optarg;
3581 case QEMU_OPTION_old_param:
3584 case QEMU_OPTION_clock:
3585 /* Clock options no longer exist. Keep this option for
3586 * backward compatibility.
3589 case QEMU_OPTION_startdate:
3590 configure_rtc_date_offset(optarg, 1);
3592 case QEMU_OPTION_rtc:
3593 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3597 configure_rtc(opts);
3599 case QEMU_OPTION_tb_size:
3600 tcg_tb_size = strtol(optarg, NULL, 0);
3601 if (tcg_tb_size < 0) {
3605 case QEMU_OPTION_icount:
3606 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3612 case QEMU_OPTION_incoming:
3614 runstate_set(RUN_STATE_INMIGRATE);
3616 case QEMU_OPTION_nodefaults:
3619 case QEMU_OPTION_xen_domid:
3620 if (!(xen_available())) {
3621 printf("Option %s not supported for this target\n", popt->name);
3624 xen_domid = atoi(optarg);
3626 case QEMU_OPTION_xen_create:
3627 if (!(xen_available())) {
3628 printf("Option %s not supported for this target\n", popt->name);
3631 xen_mode = XEN_CREATE;
3633 case QEMU_OPTION_xen_attach:
3634 if (!(xen_available())) {
3635 printf("Option %s not supported for this target\n", popt->name);
3638 xen_mode = XEN_ATTACH;
3640 case QEMU_OPTION_trace:
3642 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3646 trace_events = qemu_opt_get(opts, "events");
3647 trace_file = qemu_opt_get(opts, "file");
3650 case QEMU_OPTION_readconfig:
3652 int ret = qemu_read_config_file(optarg);
3654 fprintf(stderr, "read config %s: %s\n", optarg,
3660 case QEMU_OPTION_spice:
3661 olist = qemu_find_opts("spice");
3663 fprintf(stderr, "spice is not supported by this qemu build.\n");
3666 opts = qemu_opts_parse(olist, optarg, 0);
3672 case QEMU_OPTION_writeconfig:
3675 if (strcmp(optarg, "-") == 0) {
3678 fp = fopen(optarg, "w");
3680 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3684 qemu_config_write(fp);
3690 case QEMU_OPTION_qtest:
3691 qtest_chrdev = optarg;
3693 case QEMU_OPTION_qtest_log:
3696 case QEMU_OPTION_sandbox:
3697 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3702 case QEMU_OPTION_add_fd:
3704 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3709 error_report("File descriptor passing is disabled on this "
3714 case QEMU_OPTION_object:
3715 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3720 case QEMU_OPTION_realtime:
3721 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3725 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3727 case QEMU_OPTION_msg:
3728 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3732 configure_msg(opts);
3734 case QEMU_OPTION_dump_vmstate:
3735 if (vmstate_dump_file) {
3736 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3737 "option may be given\n");
3740 vmstate_dump_file = fopen(optarg, "w");
3741 if (vmstate_dump_file == NULL) {
3742 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3747 os_parse_cmd_args(popt->index, optarg);
3755 if (qemu_init_main_loop(&main_loop_err)) {
3756 error_report("%s", error_get_pretty(main_loop_err));
3760 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3764 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3769 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3773 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3778 if (machine_class == NULL) {
3779 fprintf(stderr, "No machine specified, and there is no default.\n"
3780 "Use -machine help to list supported machines!\n");
3784 current_machine = MACHINE(object_new(object_class_get_name(
3785 OBJECT_CLASS(machine_class))));
3786 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3789 object_property_add_child(object_get_root(), "machine",
3790 OBJECT(current_machine), &error_abort);
3791 cpu_exec_init_all();
3793 if (machine_class->hw_version) {
3794 qemu_set_version(machine_class->hw_version);
3797 /* Init CPU def lists, based on config
3798 * - Must be called after all the qemu_read_config_file() calls
3799 * - Must be called before list_cpus()
3800 * - Must be called before machine->init()
3804 if (cpu_model && is_help_option(cpu_model)) {
3805 list_cpus(stdout, &fprintf, cpu_model);
3809 /* Open the logfile at this point, if necessary. We can't open the logfile
3810 * when encountering either of the logging options (-d or -D) because the
3811 * other one may be encountered later on the command line, changing the
3812 * location or level of logging.
3817 qemu_set_log_filename(log_file);
3820 mask = qemu_str_to_log_mask(log_mask);
3822 qemu_print_log_usage(stdout);
3828 if (!is_daemonized()) {
3829 if (!trace_init_backends(trace_events, trace_file)) {
3834 /* If no data_dir is specified then try to find it relative to the
3836 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3837 data_dir[data_dir_idx] = os_find_datadir();
3838 if (data_dir[data_dir_idx] != NULL) {
3842 /* If all else fails use the install path specified when building. */
3843 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3844 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3847 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3849 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3850 if (smp_cpus > machine_class->max_cpus) {
3851 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3852 "supported by machine `%s' (%d)\n", smp_cpus,
3853 machine_class->name, machine_class->max_cpus);
3858 * Get the default machine options from the machine if it is not already
3859 * specified either by the configuration file or by the command line.
3861 if (machine_class->default_machine_opts) {
3862 qemu_opts_set_defaults(qemu_find_opts("machine"),
3863 machine_class->default_machine_opts, 0);
3866 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3867 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3869 if (!vga_model && !default_vga) {
3870 vga_interface_type = VGA_DEVICE;
3872 if (!has_defaults || machine_class->no_serial) {
3875 if (!has_defaults || machine_class->no_parallel) {
3876 default_parallel = 0;
3878 if (!has_defaults || !machine_class->use_virtcon) {
3879 default_virtcon = 0;
3881 if (!has_defaults || !machine_class->use_sclp) {
3884 if (!has_defaults || machine_class->no_floppy) {
3887 if (!has_defaults || machine_class->no_cdrom) {
3890 if (!has_defaults || machine_class->no_sdcard) {
3893 if (!has_defaults) {
3894 default_monitor = 0;
3899 if (is_daemonized()) {
3900 /* According to documentation and historically, -nographic redirects
3901 * serial port, parallel port and monitor to stdio, which does not work
3902 * with -daemonize. We can redirect these to null instead, but since
3903 * -nographic is legacy, let's just error out.
3904 * We disallow -nographic only if all other ports are not redirected
3905 * explicitly, to not break existing legacy setups which uses
3906 * -nographic _and_ redirects all ports explicitly - this is valid
3907 * usage, -nographic is just a no-op in this case.
3909 if (display_type == DT_NOGRAPHIC
3910 && (default_parallel || default_serial
3911 || default_monitor || default_virtcon)) {
3912 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3915 #ifdef CONFIG_CURSES
3916 if (display_type == DT_CURSES) {
3917 fprintf(stderr, "curses display can not be used with -daemonize\n");
3923 if (display_type == DT_NOGRAPHIC) {
3924 if (default_parallel)
3925 add_device_config(DEV_PARALLEL, "null");
3926 if (default_serial && default_monitor) {
3927 add_device_config(DEV_SERIAL, "mon:stdio");
3928 } else if (default_virtcon && default_monitor) {
3929 add_device_config(DEV_VIRTCON, "mon:stdio");
3930 } else if (default_sclp && default_monitor) {
3931 add_device_config(DEV_SCLP, "mon:stdio");
3934 add_device_config(DEV_SERIAL, "stdio");
3935 if (default_virtcon)
3936 add_device_config(DEV_VIRTCON, "stdio");
3938 add_device_config(DEV_SCLP, "stdio");
3940 if (default_monitor)
3941 monitor_parse("stdio", "readline", false);
3945 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3946 if (default_parallel)
3947 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3948 if (default_monitor)
3949 monitor_parse("vc:80Cx24C", "readline", false);
3950 if (default_virtcon)
3951 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3953 add_device_config(DEV_SCLP, "vc:80Cx24C");
3957 if (display_type == DT_DEFAULT && !display_remote) {
3958 #if defined(CONFIG_GTK)
3959 display_type = DT_GTK;
3960 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3961 display_type = DT_SDL;
3962 #elif defined(CONFIG_VNC)
3963 vnc_display = "localhost:0,to=99";
3966 display_type = DT_NONE;
3970 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3971 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3972 "for SDL, ignoring option\n");
3974 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3975 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3976 "ignoring option\n");
3979 #if defined(CONFIG_GTK)
3980 if (display_type == DT_GTK) {
3981 early_gtk_display_init();
3987 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3989 #ifdef CONFIG_VIRTFS
3990 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3995 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3996 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4000 /* store value for the future use */
4001 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4003 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4008 if (qemu_opts_foreach(qemu_find_opts("object"),
4009 object_create, NULL, 0) != 0) {
4013 machine_opts = qemu_get_machine_opts();
4014 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4016 object_unref(OBJECT(current_machine));
4020 configure_accelerator(current_machine);
4023 Error *local_err = NULL;
4024 qtest_init(qtest_chrdev, qtest_log, &local_err);
4026 error_report("%s", error_get_pretty(local_err));
4027 error_free(local_err);
4032 machine_opts = qemu_get_machine_opts();
4033 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4034 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4035 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4036 bios_name = qemu_opt_get(machine_opts, "firmware");
4038 boot_order = machine_class->default_boot_order;
4039 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4041 char *normal_boot_order;
4042 const char *order, *once;
4043 Error *local_err = NULL;
4045 order = qemu_opt_get(opts, "order");
4047 validate_bootdevices(order, &local_err);
4049 error_report("%s", error_get_pretty(local_err));
4055 once = qemu_opt_get(opts, "once");
4057 validate_bootdevices(once, &local_err);
4059 error_report("%s", error_get_pretty(local_err));
4062 normal_boot_order = g_strdup(boot_order);
4064 qemu_register_reset(restore_boot_order, normal_boot_order);
4067 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4068 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4071 if (!kernel_cmdline) {
4072 kernel_cmdline = "";
4073 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4076 linux_boot = (kernel_filename != NULL);
4078 if (!linux_boot && *kernel_cmdline != '\0') {
4079 fprintf(stderr, "-append only allowed with -kernel option\n");
4083 if (!linux_boot && initrd_filename != NULL) {
4084 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4088 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4089 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4093 os_set_line_buffering();
4095 qemu_init_cpu_loop();
4096 qemu_mutex_lock_iothread();
4099 /* spice needs the timers to be initialized by this point */
4105 if (kvm_enabled() || xen_enabled()) {
4106 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4109 configure_icount(icount_opts, &error_abort);
4110 qemu_opts_del(icount_opts);
4113 /* clean up network at qemu process termination */
4114 atexit(&net_cleanup);
4116 if (net_init_clients() < 0) {
4121 if (tpm_init() < 0) {
4126 /* init the bluetooth world */
4127 if (foreach_device_config(DEV_BT, bt_parse))
4130 if (!xen_enabled()) {
4131 /* On 32-bit hosts, QEMU is limited by virtual address space */
4132 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4133 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4141 /* If the currently selected machine wishes to override the units-per-bus
4142 * property of its default HBA interface type, do so now. */
4143 if (machine_class->units_per_default_bus) {
4144 override_max_devs(machine_class->block_default_type,
4145 machine_class->units_per_default_bus);
4148 /* open the virtual block devices */
4150 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4151 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4152 &machine_class->block_default_type, 1) != 0) {
4156 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4158 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4159 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4161 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4168 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4172 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4174 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4176 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4178 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4181 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4184 /* If no default VGA is requested, the default is "none". */
4186 if (machine_class->default_display) {
4187 vga_model = machine_class->default_display;
4188 } else if (cirrus_vga_available()) {
4189 vga_model = "cirrus";
4190 } else if (vga_available()) {
4195 select_vgahw(vga_model);
4199 i = select_watchdog(watchdog);
4201 exit (i == 1 ? 1 : 0);
4204 if (machine_class->compat_props) {
4205 qdev_prop_register_global_list(machine_class->compat_props);
4209 qdev_machine_init();
4211 current_machine->ram_size = ram_size;
4212 current_machine->maxram_size = maxram_size;
4213 current_machine->ram_slots = ram_slots;
4214 current_machine->boot_order = boot_order;
4215 current_machine->cpu_model = cpu_model;
4217 machine_class->init(current_machine);
4223 cpu_synchronize_all_post_init();
4227 /* init USB devices */
4228 if (usb_enabled(false)) {
4229 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4233 /* init generic devices */
4234 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4237 /* Did we create any drives that we failed to create a device for? */
4238 drive_check_orphaned();
4240 net_check_clients();
4242 ds = init_displaystate();
4244 /* init local displays */
4245 switch (display_type) {
4247 (void)ds; /* avoid warning if no display is configured */
4249 #if defined(CONFIG_CURSES)
4251 curses_display_init(ds, full_screen);
4254 #if defined(CONFIG_SDL)
4256 sdl_display_init(ds, full_screen, no_frame);
4258 #elif defined(CONFIG_COCOA)
4260 cocoa_display_init(ds, full_screen);
4263 #if defined(CONFIG_GTK)
4265 gtk_display_init(ds, full_screen, grab_on_hover);
4272 /* must be after terminal init, SDL library changes signal handlers */
4273 os_setup_signal_handling();
4276 /* init remote displays */
4278 Error *local_err = NULL;
4279 vnc_display_init(ds);
4280 vnc_display_open(ds, vnc_display, &local_err);
4281 if (local_err != NULL) {
4282 error_report("Failed to start VNC server on `%s': %s",
4283 vnc_display, error_get_pretty(local_err));
4284 error_free(local_err);
4288 if (show_vnc_port) {
4289 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4295 qemu_spice_display_init();
4299 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4303 qdev_machine_creation_done();
4305 if (rom_load_all() != 0) {
4306 fprintf(stderr, "rom loading failed\n");
4310 /* TODO: once all bus devices are qdevified, this should be done
4311 * when bus is created by qdev.c */
4312 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4313 qemu_run_machine_init_done_notifiers();
4315 /* Done notifiers can load ROMs */
4318 qemu_system_reset(VMRESET_SILENT);
4320 if (load_vmstate(loadvm) < 0) {
4325 qdev_prop_check_globals();
4326 if (vmstate_dump_file) {
4328 dump_vmstate_json_to_file(vmstate_dump_file);
4333 Error *local_err = NULL;
4334 qemu_start_incoming_migration(incoming, &local_err);
4336 error_report("-incoming %s: %s", incoming,
4337 error_get_pretty(local_err));
4338 error_free(local_err);
4341 } else if (autostart) {
4347 if (is_daemonized()) {
4348 if (!trace_init_backends(trace_events, trace_file)) {