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"
65 #include "hw/pcmcia.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 "qemu/cache-utils.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 "qom/object_interfaces.h"
121 #define DEFAULT_RAM_SIZE 128
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 NICInfo nd_table[MAX_NICS];
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
147 static bool grab_on_hover;
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
160 const char *vnc_display;
162 int acpi_enabled = 1;
165 static int no_reboot;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int semihosting_enabled = 0;
174 const char *qemu_name;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
185 typedef struct FWBootEntry FWBootEntry;
188 QTAILQ_ENTRY(FWBootEntry) link;
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
198 NodeInfo numa_info[MAX_NODES];
200 uint8_t qemu_uuid[16];
203 static QEMUBootSetHandler *boot_set_handler;
204 static void *boot_set_opaque;
206 static NotifierList exit_notifiers =
207 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
209 static NotifierList machine_init_done_notifiers =
210 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
212 static bool tcg_allowed = true;
215 enum xen_mode xen_mode = XEN_EMULATE;
216 static int tcg_tb_size;
218 static int has_defaults = 1;
219 static int default_serial = 1;
220 static int default_parallel = 1;
221 static int default_virtcon = 1;
222 static int default_sclp = 1;
223 static int default_monitor = 1;
224 static int default_floppy = 1;
225 static int default_cdrom = 1;
226 static int default_sdcard = 1;
227 static int default_vga = 1;
233 { .driver = "isa-serial", .flag = &default_serial },
234 { .driver = "isa-parallel", .flag = &default_parallel },
235 { .driver = "isa-fdc", .flag = &default_floppy },
236 { .driver = "ide-cd", .flag = &default_cdrom },
237 { .driver = "ide-hd", .flag = &default_cdrom },
238 { .driver = "ide-drive", .flag = &default_cdrom },
239 { .driver = "scsi-cd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
242 { .driver = "virtio-serial", .flag = &default_virtcon },
243 { .driver = "VGA", .flag = &default_vga },
244 { .driver = "isa-vga", .flag = &default_vga },
245 { .driver = "cirrus-vga", .flag = &default_vga },
246 { .driver = "isa-cirrus-vga", .flag = &default_vga },
247 { .driver = "vmware-svga", .flag = &default_vga },
248 { .driver = "qxl-vga", .flag = &default_vga },
251 static QemuOptsList qemu_rtc_opts = {
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
257 .type = QEMU_OPT_STRING,
260 .type = QEMU_OPT_STRING,
263 .type = QEMU_OPT_STRING,
265 { /* end of list */ }
269 static QemuOptsList qemu_sandbox_opts = {
271 .implied_opt_name = "enable",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
276 .type = QEMU_OPT_BOOL,
278 { /* end of list */ }
282 static QemuOptsList qemu_trace_opts = {
284 .implied_opt_name = "trace",
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
289 .type = QEMU_OPT_STRING,
292 .type = QEMU_OPT_STRING,
294 { /* end of list */ }
298 static QemuOptsList qemu_option_rom_opts = {
299 .name = "option-rom",
300 .implied_opt_name = "romfile",
301 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
305 .type = QEMU_OPT_NUMBER,
308 .type = QEMU_OPT_STRING,
310 { /* end of list */ }
314 static QemuOptsList qemu_machine_opts = {
316 .implied_opt_name = "type",
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
322 .type = QEMU_OPT_STRING,
323 .help = "emulated machine"
326 .type = QEMU_OPT_STRING,
327 .help = "accelerator list",
329 .name = "kernel_irqchip",
330 .type = QEMU_OPT_BOOL,
331 .help = "use KVM in-kernel irqchip",
333 .name = "kvm_shadow_mem",
334 .type = QEMU_OPT_SIZE,
335 .help = "KVM shadow MMU size",
338 .type = QEMU_OPT_STRING,
339 .help = "Linux kernel image file",
342 .type = QEMU_OPT_STRING,
343 .help = "Linux initial ramdisk file",
346 .type = QEMU_OPT_STRING,
347 .help = "Linux kernel command line",
350 .type = QEMU_OPT_STRING,
351 .help = "Linux kernel device tree file",
354 .type = QEMU_OPT_STRING,
355 .help = "Dump current dtb to a file and quit",
357 .name = "phandle_start",
358 .type = QEMU_OPT_NUMBER,
359 .help = "The first phandle ID we may generate dynamically",
361 .name = "dt_compatible",
362 .type = QEMU_OPT_STRING,
363 .help = "Overrides the \"compatible\" property of the dt root node",
365 .name = "dump-guest-core",
366 .type = QEMU_OPT_BOOL,
367 .help = "Include guest memory in a core dump",
370 .type = QEMU_OPT_BOOL,
371 .help = "enable/disable memory merge support",
374 .type = QEMU_OPT_BOOL,
375 .help = "Set on/off to enable/disable usb",
378 .type = QEMU_OPT_STRING,
379 .help = "firmware image",
382 .type = QEMU_OPT_STRING,
383 .help = "Specifies the KVM virtualization mode (HV, PR)",
385 { /* End of list */ }
389 static QemuOptsList qemu_boot_opts = {
391 .implied_opt_name = "order",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
397 .type = QEMU_OPT_STRING,
400 .type = QEMU_OPT_STRING,
403 .type = QEMU_OPT_BOOL,
406 .type = QEMU_OPT_STRING,
408 .name = "splash-time",
409 .type = QEMU_OPT_STRING,
411 .name = "reboot-timeout",
412 .type = QEMU_OPT_STRING,
415 .type = QEMU_OPT_BOOL,
421 static QemuOptsList qemu_add_fd_opts = {
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
427 .type = QEMU_OPT_NUMBER,
428 .help = "file descriptor of which a duplicate is added to fd set",
431 .type = QEMU_OPT_NUMBER,
432 .help = "ID of the fd set to add fd to",
435 .type = QEMU_OPT_STRING,
436 .help = "free-form string used to describe fd",
438 { /* end of list */ }
442 static QemuOptsList qemu_object_opts = {
444 .implied_opt_name = "qom-type",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
451 static QemuOptsList qemu_tpmdev_opts = {
453 .implied_opt_name = "type",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
456 /* options are defined in the TPM backends */
457 { /* end of list */ }
461 static QemuOptsList qemu_realtime_opts = {
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
467 .type = QEMU_OPT_BOOL,
469 { /* end of list */ }
473 static QemuOptsList qemu_msg_opts = {
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
479 .type = QEMU_OPT_BOOL,
481 { /* end of list */ }
485 static QemuOptsList qemu_name_opts = {
487 .implied_opt_name = "guest",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
493 .type = QEMU_OPT_STRING,
494 .help = "Sets the name of the guest.\n"
495 "This name will be displayed in the SDL window caption.\n"
496 "The name will also be used for the VNC server",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the QEMU process, as shown in top etc",
502 .name = "debug-threads",
503 .type = QEMU_OPT_BOOL,
504 .help = "When enabled, name the individual threads; defaults off.\n"
505 "NOTE: The thread names are for debugging and not a\n"
508 { /* End of list */ }
512 static QemuOptsList qemu_mem_opts = {
514 .implied_opt_name = "size",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
520 .type = QEMU_OPT_SIZE,
524 .type = QEMU_OPT_NUMBER,
528 .type = QEMU_OPT_SIZE,
530 { /* end of list */ }
535 * Get machine options
537 * Returns: machine options (never null).
539 QemuOpts *qemu_get_machine_opts(void)
541 return qemu_find_opts_singleton("machine");
544 const char *qemu_get_vm_name(void)
549 static void res_free(void)
551 if (boot_splash_filedata != NULL) {
552 g_free(boot_splash_filedata);
553 boot_splash_filedata = NULL;
557 static int default_driver_check(QemuOpts *opts, void *opaque)
559 const char *driver = qemu_opt_get(opts, "driver");
564 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
565 if (strcmp(default_list[i].driver, driver) != 0)
567 *(default_list[i].flag) = 0;
572 /***********************************************************/
575 static RunState current_run_state = RUN_STATE_PRELAUNCH;
580 } RunStateTransition;
582 static const RunStateTransition runstate_transitions_def[] = {
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
591 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
594 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
596 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
597 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
609 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
611 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
612 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
614 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
615 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
618 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
620 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
625 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
628 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
629 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
630 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
633 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
636 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_MAX, RUN_STATE_MAX },
641 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
643 bool runstate_check(RunState state)
645 return current_run_state == state;
648 static void runstate_init(void)
650 const RunStateTransition *p;
652 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
654 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
655 runstate_valid_transitions[p->from][p->to] = true;
659 /* This function will abort() on invalid state transitions */
660 void runstate_set(RunState new_state)
662 assert(new_state < RUN_STATE_MAX);
664 if (!runstate_valid_transitions[current_run_state][new_state]) {
665 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
666 RunState_lookup[current_run_state],
667 RunState_lookup[new_state]);
670 trace_runstate_set(new_state);
671 current_run_state = new_state;
674 int runstate_is_running(void)
676 return runstate_check(RUN_STATE_RUNNING);
679 bool runstate_needs_reset(void)
681 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
682 runstate_check(RUN_STATE_SHUTDOWN);
685 StatusInfo *qmp_query_status(Error **errp)
687 StatusInfo *info = g_malloc0(sizeof(*info));
689 info->running = runstate_is_running();
690 info->singlestep = singlestep;
691 info->status = current_run_state;
696 /***********************************************************/
697 /* real time host monotonic timer */
699 /***********************************************************/
700 /* host time/date access */
701 void qemu_get_timedate(struct tm *tm, int offset)
707 if (rtc_date_offset == -1) {
711 localtime_r(&ti, tm);
713 ti -= rtc_date_offset;
718 int qemu_timedate_diff(struct tm *tm)
722 if (rtc_date_offset == -1)
724 seconds = mktimegm(tm);
727 tmp.tm_isdst = -1; /* use timezone to figure it out */
728 seconds = mktime(&tmp);
731 seconds = mktimegm(tm) + rtc_date_offset;
733 return seconds - time(NULL);
736 void rtc_change_mon_event(struct tm *tm)
740 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
741 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
742 qobject_decref(data);
745 static void configure_rtc_date_offset(const char *startdate, int legacy)
747 time_t rtc_start_date;
750 if (!strcmp(startdate, "now") && legacy) {
751 rtc_date_offset = -1;
753 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
761 } else if (sscanf(startdate, "%d-%d-%d",
773 rtc_start_date = mktimegm(&tm);
774 if (rtc_start_date == -1) {
776 fprintf(stderr, "Invalid date format. Valid formats are:\n"
777 "'2006-06-17T16:01:21' or '2006-06-17'\n");
780 rtc_date_offset = time(NULL) - rtc_start_date;
784 static void configure_rtc(QemuOpts *opts)
788 value = qemu_opt_get(opts, "base");
790 if (!strcmp(value, "utc")) {
792 } else if (!strcmp(value, "localtime")) {
795 configure_rtc_date_offset(value, 0);
798 value = qemu_opt_get(opts, "clock");
800 if (!strcmp(value, "host")) {
801 rtc_clock = QEMU_CLOCK_HOST;
802 } else if (!strcmp(value, "rt")) {
803 rtc_clock = QEMU_CLOCK_REALTIME;
804 } else if (!strcmp(value, "vm")) {
805 rtc_clock = QEMU_CLOCK_VIRTUAL;
807 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
811 value = qemu_opt_get(opts, "driftfix");
813 if (!strcmp(value, "slew")) {
814 static GlobalProperty slew_lost_ticks[] = {
816 .driver = "mc146818rtc",
817 .property = "lost_tick_policy",
820 { /* end of list */ }
823 qdev_prop_register_global_list(slew_lost_ticks);
824 } else if (!strcmp(value, "none")) {
825 /* discard is default */
827 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
833 /***********************************************************/
834 /* Bluetooth support */
837 static struct HCIInfo *hci_table[MAX_NICS];
839 struct HCIInfo *qemu_next_hci(void)
841 if (cur_hci == nb_hcis)
844 return hci_table[cur_hci++];
847 static int bt_hci_parse(const char *str)
852 if (nb_hcis >= MAX_NICS) {
853 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
866 bdaddr.b[5] = 0x56 + nb_hcis;
867 hci->bdaddr_set(hci, bdaddr.b);
869 hci_table[nb_hcis++] = hci;
874 static void bt_vhci_add(int vlan_id)
876 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
879 fprintf(stderr, "qemu: warning: adding a VHCI to "
880 "an empty scatternet %i\n", vlan_id);
882 bt_vhci_init(bt_new_hci(vlan));
885 static struct bt_device_s *bt_device_add(const char *opt)
887 struct bt_scatternet_s *vlan;
889 char *endp = strstr(opt, ",vlan=");
890 int len = (endp ? endp - opt : strlen(opt)) + 1;
893 pstrcpy(devname, MIN(sizeof(devname), len), opt);
896 vlan_id = strtol(endp + 6, &endp, 0);
898 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
903 vlan = qemu_find_bt_vlan(vlan_id);
906 fprintf(stderr, "qemu: warning: adding a slave device to "
907 "an empty scatternet %i\n", vlan_id);
909 if (!strcmp(devname, "keyboard"))
910 return bt_keyboard_init(vlan);
912 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
916 static int bt_parse(const char *opt)
918 const char *endp, *p;
921 if (strstart(opt, "hci", &endp)) {
922 if (!*endp || *endp == ',') {
924 if (!strstart(endp, ",vlan=", 0))
927 return bt_hci_parse(opt);
929 } else if (strstart(opt, "vhci", &endp)) {
930 if (!*endp || *endp == ',') {
932 if (strstart(endp, ",vlan=", &p)) {
933 vlan = strtol(p, (char **) &endp, 0);
935 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
939 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 } else if (strstart(opt, "device:", &endp))
949 return !bt_device_add(endp);
951 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
955 static int parse_sandbox(QemuOpts *opts, void *opaque)
957 /* FIXME: change this to true for 1.3 */
958 if (qemu_opt_get_bool(opts, "enable", false)) {
959 #ifdef CONFIG_SECCOMP
960 if (seccomp_start() < 0) {
961 qerror_report(ERROR_CLASS_GENERIC_ERROR,
962 "failed to install seccomp syscall filter in the kernel");
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "sandboxing request but seccomp is not compiled into this build");
975 static int parse_name(QemuOpts *opts, void *opaque)
977 const char *proc_name;
979 if (qemu_opt_get(opts, "debug-threads")) {
980 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
982 qemu_name = qemu_opt_get(opts, "guest");
984 proc_name = qemu_opt_get(opts, "process");
986 os_set_proc_name(proc_name);
992 bool usb_enabled(bool default_usb)
994 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
995 has_defaults && default_usb);
999 static int parse_add_fd(QemuOpts *opts, void *opaque)
1001 int fd, dupfd, flags;
1003 const char *fd_opaque = NULL;
1005 fd = qemu_opt_get_number(opts, "fd", -1);
1006 fdset_id = qemu_opt_get_number(opts, "set", -1);
1007 fd_opaque = qemu_opt_get(opts, "opaque");
1010 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1011 "fd option is required and must be non-negative");
1015 if (fd <= STDERR_FILENO) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "fd cannot be a standard I/O stream");
1022 * All fds inherited across exec() necessarily have FD_CLOEXEC
1023 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1025 flags = fcntl(fd, F_GETFD);
1026 if (flags == -1 || (flags & FD_CLOEXEC)) {
1027 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1028 "fd is not valid or already in use");
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "set option is required and must be non-negative");
1038 #ifdef F_DUPFD_CLOEXEC
1039 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1043 qemu_set_cloexec(dupfd);
1047 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1048 "Error duplicating fd: %s", strerror(errno));
1052 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1053 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1059 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1063 fd = qemu_opt_get_number(opts, "fd", -1);
1070 /***********************************************************/
1071 /* QEMU Block devices */
1073 #define HD_OPTS "media=disk"
1074 #define CDROM_OPTS "media=cdrom"
1076 #define PFLASH_OPTS ""
1080 static int drive_init_func(QemuOpts *opts, void *opaque)
1082 BlockInterfaceType *block_default_type = opaque;
1084 return drive_new(opts, *block_default_type) == NULL;
1087 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1089 if (NULL == qemu_opt_get(opts, "snapshot")) {
1090 qemu_opt_set(opts, "snapshot", "on");
1095 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1096 int index, const char *optstr)
1100 if (!enable || drive_get_by_index(type, index)) {
1104 opts = drive_add(type, index, NULL, optstr);
1106 drive_enable_snapshot(opts, NULL);
1108 if (!drive_new(opts, type)) {
1113 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1115 boot_set_handler = func;
1116 boot_set_opaque = opaque;
1119 int qemu_boot_set(const char *boot_order)
1121 if (!boot_set_handler) {
1124 return boot_set_handler(boot_set_opaque, boot_order);
1127 static void validate_bootdevices(const char *devices)
1129 /* We just do some generic consistency checks */
1133 for (p = devices; *p != '\0'; p++) {
1134 /* Allowed boot devices are:
1135 * a-b: floppy disk drives
1136 * c-f: IDE disk drives
1137 * g-m: machine implementation dependent drives
1138 * n-p: network devices
1139 * It's up to each machine implementation to check if the given boot
1140 * devices match the actual hardware implementation and firmware
1143 if (*p < 'a' || *p > 'p') {
1144 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1147 if (bitmap & (1 << (*p - 'a'))) {
1148 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1151 bitmap |= 1 << (*p - 'a');
1155 static void restore_boot_order(void *opaque)
1157 char *normal_boot_order = opaque;
1158 static int first = 1;
1160 /* Restore boot order and remove ourselves after the first boot */
1166 qemu_boot_set(normal_boot_order);
1168 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1169 g_free(normal_boot_order);
1172 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1175 FWBootEntry *node, *i;
1177 if (bootindex < 0) {
1181 assert(dev != NULL || suffix != NULL);
1183 node = g_malloc0(sizeof(FWBootEntry));
1184 node->bootindex = bootindex;
1185 node->suffix = g_strdup(suffix);
1188 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1189 if (i->bootindex == bootindex) {
1190 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1192 } else if (i->bootindex < bootindex) {
1195 QTAILQ_INSERT_BEFORE(i, node, link);
1198 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1201 DeviceState *get_boot_device(uint32_t position)
1203 uint32_t counter = 0;
1204 FWBootEntry *i = NULL;
1205 DeviceState *res = NULL;
1207 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1208 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1209 if (counter == position) {
1220 * This function returns null terminated string that consist of new line
1221 * separated device paths.
1223 * memory pointed by "size" is assigned total length of the array in bytes
1226 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1232 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1233 char *devpath = NULL, *bootpath;
1237 devpath = qdev_get_fw_dev_path(i->dev);
1241 if (i->suffix && !ignore_suffixes && devpath) {
1242 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1244 bootpath = g_malloc(bootpathlen);
1245 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1247 } else if (devpath) {
1249 } else if (!ignore_suffixes) {
1251 bootpath = g_strdup(i->suffix);
1253 bootpath = g_strdup("");
1257 list[total-1] = '\n';
1259 len = strlen(bootpath) + 1;
1260 list = g_realloc(list, total + len);
1261 memcpy(&list[total], bootpath, len);
1268 if (boot_strict && *size > 0) {
1269 list[total-1] = '\n';
1270 list = g_realloc(list, total + 5);
1271 memcpy(&list[total], "HALT", 5);
1277 static QemuOptsList qemu_smp_opts = {
1279 .implied_opt_name = "cpus",
1280 .merge_lists = true,
1281 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1285 .type = QEMU_OPT_NUMBER,
1288 .type = QEMU_OPT_NUMBER,
1291 .type = QEMU_OPT_NUMBER,
1294 .type = QEMU_OPT_NUMBER,
1297 .type = QEMU_OPT_NUMBER,
1299 { /*End of list */ }
1303 static void smp_parse(QemuOpts *opts)
1307 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1308 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1309 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1310 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1312 /* compute missing values, prefer sockets over cores over threads */
1313 if (cpus == 0 || sockets == 0) {
1314 sockets = sockets > 0 ? sockets : 1;
1315 cores = cores > 0 ? cores : 1;
1316 threads = threads > 0 ? threads : 1;
1318 cpus = cores * threads * sockets;
1322 threads = threads > 0 ? threads : 1;
1323 cores = cpus / (sockets * threads);
1325 threads = cpus / (cores * sockets);
1329 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1332 smp_cores = cores > 0 ? cores : 1;
1333 smp_threads = threads > 0 ? threads : 1;
1337 if (max_cpus == 0) {
1338 max_cpus = smp_cpus;
1341 if (max_cpus > MAX_CPUMASK_BITS) {
1342 fprintf(stderr, "Unsupported number of maxcpus\n");
1345 if (max_cpus < smp_cpus) {
1346 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1352 static void configure_realtime(QemuOpts *opts)
1356 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1359 if (os_mlock() < 0) {
1360 fprintf(stderr, "qemu: locking memory failed\n");
1367 static void configure_msg(QemuOpts *opts)
1369 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1372 /***********************************************************/
1375 static int usb_device_add(const char *devname)
1377 USBDevice *dev = NULL;
1378 #ifndef CONFIG_LINUX
1382 if (!usb_enabled(false)) {
1386 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1387 dev = usbdevice_create(devname);
1391 /* the other ones */
1392 #ifndef CONFIG_LINUX
1393 /* only the linux version is qdev-ified, usb-bsd still needs this */
1394 if (strstart(devname, "host:", &p)) {
1395 dev = usb_host_device_open(usb_bus_find(-1), p);
1405 static int usb_device_del(const char *devname)
1410 if (strstart(devname, "host:", &p)) {
1414 if (!usb_enabled(false)) {
1418 p = strchr(devname, '.');
1421 bus_num = strtoul(devname, NULL, 0);
1422 addr = strtoul(p + 1, NULL, 0);
1424 return usb_device_delete_addr(bus_num, addr);
1427 static int usb_parse(const char *cmdline)
1430 r = usb_device_add(cmdline);
1432 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1437 void do_usb_add(Monitor *mon, const QDict *qdict)
1439 const char *devname = qdict_get_str(qdict, "devname");
1440 if (usb_device_add(devname) < 0) {
1441 error_report("could not add USB device '%s'", devname);
1445 void do_usb_del(Monitor *mon, const QDict *qdict)
1447 const char *devname = qdict_get_str(qdict, "devname");
1448 if (usb_device_del(devname) < 0) {
1449 error_report("could not delete USB device '%s'", devname);
1453 /***********************************************************/
1454 /* PCMCIA/Cardbus */
1456 static struct pcmcia_socket_entry_s {
1457 PCMCIASocket *socket;
1458 struct pcmcia_socket_entry_s *next;
1459 } *pcmcia_sockets = 0;
1461 void pcmcia_socket_register(PCMCIASocket *socket)
1463 struct pcmcia_socket_entry_s *entry;
1465 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1466 entry->socket = socket;
1467 entry->next = pcmcia_sockets;
1468 pcmcia_sockets = entry;
1471 void pcmcia_socket_unregister(PCMCIASocket *socket)
1473 struct pcmcia_socket_entry_s *entry, **ptr;
1475 ptr = &pcmcia_sockets;
1476 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1477 if (entry->socket == socket) {
1483 void pcmcia_info(Monitor *mon, const QDict *qdict)
1485 struct pcmcia_socket_entry_s *iter;
1487 if (!pcmcia_sockets)
1488 monitor_printf(mon, "No PCMCIA sockets\n");
1490 for (iter = pcmcia_sockets; iter; iter = iter->next)
1491 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1492 iter->socket->attached ? iter->socket->card_string :
1496 /***********************************************************/
1497 /* machine registration */
1499 MachineState *current_machine;
1501 static void machine_class_init(ObjectClass *oc, void *data)
1503 MachineClass *mc = MACHINE_CLASS(oc);
1504 QEMUMachine *qm = data;
1506 mc->name = qm->name;
1507 mc->alias = qm->alias;
1508 mc->desc = qm->desc;
1509 mc->init = qm->init;
1510 mc->reset = qm->reset;
1511 mc->hot_add_cpu = qm->hot_add_cpu;
1512 mc->kvm_type = qm->kvm_type;
1513 mc->block_default_type = qm->block_default_type;
1514 mc->max_cpus = qm->max_cpus;
1515 mc->no_serial = qm->no_serial;
1516 mc->no_parallel = qm->no_parallel;
1517 mc->use_virtcon = qm->use_virtcon;
1518 mc->use_sclp = qm->use_sclp;
1519 mc->no_floppy = qm->no_floppy;
1520 mc->no_cdrom = qm->no_cdrom;
1521 mc->no_sdcard = qm->no_sdcard;
1522 mc->is_default = qm->is_default;
1523 mc->default_machine_opts = qm->default_machine_opts;
1524 mc->default_boot_order = qm->default_boot_order;
1525 mc->compat_props = qm->compat_props;
1526 mc->hw_version = qm->hw_version;
1529 int qemu_register_machine(QEMUMachine *m)
1531 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1534 .parent = TYPE_MACHINE,
1535 .class_init = machine_class_init,
1536 .class_data = (void *)m,
1545 static MachineClass *find_machine(const char *name)
1547 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1548 MachineClass *mc = NULL;
1550 for (el = machines; el; el = el->next) {
1551 MachineClass *temp = el->data;
1553 if (!strcmp(temp->name, name)) {
1558 !strcmp(temp->alias, name)) {
1564 g_slist_free(machines);
1568 MachineClass *find_default_machine(void)
1570 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1571 MachineClass *mc = NULL;
1573 for (el = machines; el; el = el->next) {
1574 MachineClass *temp = el->data;
1576 if (temp->is_default) {
1582 g_slist_free(machines);
1586 MachineInfoList *qmp_query_machines(Error **errp)
1588 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1589 MachineInfoList *mach_list = NULL;
1591 for (el = machines; el; el = el->next) {
1592 MachineClass *mc = el->data;
1593 MachineInfoList *entry;
1596 info = g_malloc0(sizeof(*info));
1597 if (mc->is_default) {
1598 info->has_is_default = true;
1599 info->is_default = true;
1603 info->has_alias = true;
1604 info->alias = g_strdup(mc->alias);
1607 info->name = g_strdup(mc->name);
1608 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1610 entry = g_malloc0(sizeof(*entry));
1611 entry->value = info;
1612 entry->next = mach_list;
1616 g_slist_free(machines);
1620 /***********************************************************/
1621 /* main execution loop */
1623 struct vm_change_state_entry {
1624 VMChangeStateHandler *cb;
1626 QLIST_ENTRY (vm_change_state_entry) entries;
1629 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1631 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1634 VMChangeStateEntry *e;
1636 e = g_malloc0(sizeof (*e));
1640 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1644 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1646 QLIST_REMOVE (e, entries);
1650 void vm_state_notify(int running, RunState state)
1652 VMChangeStateEntry *e;
1654 trace_vm_state_notify(running, state);
1656 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1657 e->cb(e->opaque, running, state);
1663 if (!runstate_is_running()) {
1665 runstate_set(RUN_STATE_RUNNING);
1666 vm_state_notify(1, RUN_STATE_RUNNING);
1668 monitor_protocol_event(QEVENT_RESUME, NULL);
1672 /* reset/shutdown handler */
1674 typedef struct QEMUResetEntry {
1675 QTAILQ_ENTRY(QEMUResetEntry) entry;
1676 QEMUResetHandler *func;
1680 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1681 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1682 static int reset_requested;
1683 static int shutdown_requested, shutdown_signal = -1;
1684 static pid_t shutdown_pid;
1685 static int powerdown_requested;
1686 static int debug_requested;
1687 static int suspend_requested;
1688 static WakeupReason wakeup_reason;
1689 static NotifierList powerdown_notifiers =
1690 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1691 static NotifierList suspend_notifiers =
1692 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1693 static NotifierList wakeup_notifiers =
1694 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1695 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1696 static RunState vmstop_requested = RUN_STATE_MAX;
1698 int qemu_shutdown_requested_get(void)
1700 return shutdown_requested;
1703 int qemu_reset_requested_get(void)
1705 return reset_requested;
1708 static int qemu_shutdown_requested(void)
1710 int r = shutdown_requested;
1711 shutdown_requested = 0;
1715 static void qemu_kill_report(void)
1717 if (!qtest_driver() && shutdown_signal != -1) {
1718 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1719 if (shutdown_pid == 0) {
1720 /* This happens for eg ^C at the terminal, so it's worth
1721 * avoiding printing an odd message in that case.
1723 fputc('\n', stderr);
1725 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1727 shutdown_signal = -1;
1731 static int qemu_reset_requested(void)
1733 int r = reset_requested;
1734 reset_requested = 0;
1738 static int qemu_suspend_requested(void)
1740 int r = suspend_requested;
1741 suspend_requested = 0;
1745 static WakeupReason qemu_wakeup_requested(void)
1747 return wakeup_reason;
1750 static int qemu_powerdown_requested(void)
1752 int r = powerdown_requested;
1753 powerdown_requested = 0;
1757 static int qemu_debug_requested(void)
1759 int r = debug_requested;
1760 debug_requested = 0;
1764 /* We use RUN_STATE_MAX but any invalid value will do */
1765 static bool qemu_vmstop_requested(RunState *r)
1767 if (vmstop_requested < RUN_STATE_MAX) {
1768 *r = vmstop_requested;
1769 vmstop_requested = RUN_STATE_MAX;
1776 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1778 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1781 re->opaque = opaque;
1782 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1785 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1789 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1790 if (re->func == func && re->opaque == opaque) {
1791 QTAILQ_REMOVE(&reset_handlers, re, entry);
1798 void qemu_devices_reset(void)
1800 QEMUResetEntry *re, *nre;
1802 /* reset all devices */
1803 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1804 re->func(re->opaque);
1808 void qemu_system_reset(bool report)
1812 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1814 if (mc && mc->reset) {
1817 qemu_devices_reset();
1820 monitor_protocol_event(QEVENT_RESET, NULL);
1822 cpu_synchronize_all_post_reset();
1825 void qemu_system_reset_request(void)
1828 shutdown_requested = 1;
1830 reset_requested = 1;
1833 qemu_notify_event();
1836 static void qemu_system_suspend(void)
1839 notifier_list_notify(&suspend_notifiers, NULL);
1840 runstate_set(RUN_STATE_SUSPENDED);
1841 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1844 void qemu_system_suspend_request(void)
1846 if (runstate_check(RUN_STATE_SUSPENDED)) {
1849 suspend_requested = 1;
1851 qemu_notify_event();
1854 void qemu_register_suspend_notifier(Notifier *notifier)
1856 notifier_list_add(&suspend_notifiers, notifier);
1859 void qemu_system_wakeup_request(WakeupReason reason)
1861 trace_system_wakeup_request(reason);
1863 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1866 if (!(wakeup_reason_mask & (1 << reason))) {
1869 runstate_set(RUN_STATE_RUNNING);
1870 wakeup_reason = reason;
1871 qemu_notify_event();
1874 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1877 wakeup_reason_mask |= (1 << reason);
1879 wakeup_reason_mask &= ~(1 << reason);
1883 void qemu_register_wakeup_notifier(Notifier *notifier)
1885 notifier_list_add(&wakeup_notifiers, notifier);
1888 void qemu_system_killed(int signal, pid_t pid)
1890 shutdown_signal = signal;
1893 qemu_system_shutdown_request();
1896 void qemu_system_shutdown_request(void)
1898 shutdown_requested = 1;
1899 qemu_notify_event();
1902 static void qemu_system_powerdown(void)
1904 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1905 notifier_list_notify(&powerdown_notifiers, NULL);
1908 void qemu_system_powerdown_request(void)
1910 powerdown_requested = 1;
1911 qemu_notify_event();
1914 void qemu_register_powerdown_notifier(Notifier *notifier)
1916 notifier_list_add(&powerdown_notifiers, notifier);
1919 void qemu_system_debug_request(void)
1921 debug_requested = 1;
1922 qemu_notify_event();
1925 void qemu_system_vmstop_request(RunState state)
1927 vmstop_requested = state;
1928 qemu_notify_event();
1931 static bool main_loop_should_exit(void)
1934 if (qemu_debug_requested()) {
1935 vm_stop(RUN_STATE_DEBUG);
1937 if (qemu_suspend_requested()) {
1938 qemu_system_suspend();
1940 if (qemu_shutdown_requested()) {
1942 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1944 vm_stop(RUN_STATE_SHUTDOWN);
1949 if (qemu_reset_requested()) {
1951 cpu_synchronize_all_states();
1952 qemu_system_reset(VMRESET_REPORT);
1954 if (runstate_needs_reset()) {
1955 runstate_set(RUN_STATE_PAUSED);
1958 if (qemu_wakeup_requested()) {
1960 cpu_synchronize_all_states();
1961 qemu_system_reset(VMRESET_SILENT);
1962 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1963 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1965 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1967 if (qemu_powerdown_requested()) {
1968 qemu_system_powerdown();
1970 if (qemu_vmstop_requested(&r)) {
1976 static void main_loop(void)
1980 #ifdef CONFIG_PROFILER
1984 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1985 #ifdef CONFIG_PROFILER
1986 ti = profile_getclock();
1988 last_io = main_loop_wait(nonblocking);
1989 #ifdef CONFIG_PROFILER
1990 dev_time += profile_getclock() - ti;
1992 } while (!main_loop_should_exit());
1995 static void version(void)
1997 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2000 static void help(int exitcode)
2003 printf("usage: %s [options] [disk_image]\n\n"
2004 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2005 error_get_progname());
2007 #define QEMU_OPTIONS_GENERATE_HELP
2008 #include "qemu-options-wrapper.h"
2010 printf("\nDuring emulation, the following keys are useful:\n"
2011 "ctrl-alt-f toggle full screen\n"
2012 "ctrl-alt-n switch to virtual console 'n'\n"
2013 "ctrl-alt toggle mouse and keyboard grab\n"
2015 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2020 #define HAS_ARG 0x0001
2022 typedef struct QEMUOption {
2029 static const QEMUOption qemu_options[] = {
2030 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2031 #define QEMU_OPTIONS_GENERATE_OPTIONS
2032 #include "qemu-options-wrapper.h"
2036 static bool vga_available(void)
2038 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2041 static bool cirrus_vga_available(void)
2043 return object_class_by_name("cirrus-vga")
2044 || object_class_by_name("isa-cirrus-vga");
2047 static bool vmware_vga_available(void)
2049 return object_class_by_name("vmware-svga");
2052 static bool qxl_vga_available(void)
2054 return object_class_by_name("qxl-vga");
2057 static bool tcx_vga_available(void)
2059 return object_class_by_name("SUNW,tcx");
2062 static bool cg3_vga_available(void)
2064 return object_class_by_name("cgthree");
2067 static void select_vgahw (const char *p)
2071 assert(vga_interface_type == VGA_NONE);
2072 if (strstart(p, "std", &opts)) {
2073 if (vga_available()) {
2074 vga_interface_type = VGA_STD;
2076 fprintf(stderr, "Error: standard VGA not available\n");
2079 } else if (strstart(p, "cirrus", &opts)) {
2080 if (cirrus_vga_available()) {
2081 vga_interface_type = VGA_CIRRUS;
2083 fprintf(stderr, "Error: Cirrus VGA not available\n");
2086 } else if (strstart(p, "vmware", &opts)) {
2087 if (vmware_vga_available()) {
2088 vga_interface_type = VGA_VMWARE;
2090 fprintf(stderr, "Error: VMWare SVGA not available\n");
2093 } else if (strstart(p, "xenfb", &opts)) {
2094 vga_interface_type = VGA_XENFB;
2095 } else if (strstart(p, "qxl", &opts)) {
2096 if (qxl_vga_available()) {
2097 vga_interface_type = VGA_QXL;
2099 fprintf(stderr, "Error: QXL VGA not available\n");
2102 } else if (strstart(p, "tcx", &opts)) {
2103 if (tcx_vga_available()) {
2104 vga_interface_type = VGA_TCX;
2106 fprintf(stderr, "Error: TCX framebuffer not available\n");
2109 } else if (strstart(p, "cg3", &opts)) {
2110 if (cg3_vga_available()) {
2111 vga_interface_type = VGA_CG3;
2113 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2116 } else if (!strstart(p, "none", &opts)) {
2118 fprintf(stderr, "Unknown vga type: %s\n", p);
2122 const char *nextopt;
2124 if (strstart(opts, ",retrace=", &nextopt)) {
2126 if (strstart(opts, "dumb", &nextopt))
2127 vga_retrace_method = VGA_RETRACE_DUMB;
2128 else if (strstart(opts, "precise", &nextopt))
2129 vga_retrace_method = VGA_RETRACE_PRECISE;
2130 else goto invalid_vga;
2131 } else goto invalid_vga;
2136 static DisplayType select_display(const char *p)
2139 DisplayType display = DT_DEFAULT;
2141 if (strstart(p, "sdl", &opts)) {
2145 const char *nextopt;
2147 if (strstart(opts, ",frame=", &nextopt)) {
2149 if (strstart(opts, "on", &nextopt)) {
2151 } else if (strstart(opts, "off", &nextopt)) {
2154 goto invalid_sdl_args;
2156 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2158 if (strstart(opts, "on", &nextopt)) {
2160 } else if (strstart(opts, "off", &nextopt)) {
2163 goto invalid_sdl_args;
2165 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2167 if (strstart(opts, "on", &nextopt)) {
2169 } else if (strstart(opts, "off", &nextopt)) {
2172 goto invalid_sdl_args;
2174 } else if (strstart(opts, ",window_close=", &nextopt)) {
2176 if (strstart(opts, "on", &nextopt)) {
2178 } else if (strstart(opts, "off", &nextopt)) {
2181 goto invalid_sdl_args;
2185 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2191 fprintf(stderr, "SDL support is disabled\n");
2194 } else if (strstart(p, "vnc", &opts)) {
2199 const char *nextopt;
2201 if (strstart(opts, "=", &nextopt)) {
2202 vnc_display = nextopt;
2206 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2210 fprintf(stderr, "VNC support is disabled\n");
2213 } else if (strstart(p, "curses", &opts)) {
2214 #ifdef CONFIG_CURSES
2215 display = DT_CURSES;
2217 fprintf(stderr, "Curses support is disabled\n");
2220 } else if (strstart(p, "gtk", &opts)) {
2224 const char *nextopt;
2226 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2228 if (strstart(opts, "on", &nextopt)) {
2229 grab_on_hover = true;
2230 } else if (strstart(opts, "off", &nextopt)) {
2231 grab_on_hover = false;
2233 goto invalid_gtk_args;
2237 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2243 fprintf(stderr, "GTK support is disabled\n");
2246 } else if (strstart(p, "none", &opts)) {
2249 fprintf(stderr, "Unknown display type: %s\n", p);
2256 static int balloon_parse(const char *arg)
2260 if (strcmp(arg, "none") == 0) {
2264 if (!strncmp(arg, "virtio", 6)) {
2265 if (arg[6] == ',') {
2266 /* have params -> parse them */
2267 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2271 /* create empty opts */
2272 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2275 qemu_opt_set(opts, "driver", "virtio-balloon");
2282 char *qemu_find_file(int type, const char *name)
2288 /* Try the name as a straight path first */
2289 if (access(name, R_OK) == 0) {
2290 trace_load_file(name, name);
2291 return g_strdup(name);
2295 case QEMU_FILE_TYPE_BIOS:
2298 case QEMU_FILE_TYPE_KEYMAP:
2299 subdir = "keymaps/";
2305 for (i = 0; i < data_dir_idx; i++) {
2306 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2307 if (access(buf, R_OK) == 0) {
2308 trace_load_file(name, buf);
2316 static int device_help_func(QemuOpts *opts, void *opaque)
2318 return qdev_device_help(opts);
2321 static int device_init_func(QemuOpts *opts, void *opaque)
2325 dev = qdev_device_add(opts);
2328 object_unref(OBJECT(dev));
2332 static int chardev_init_func(QemuOpts *opts, void *opaque)
2334 Error *local_err = NULL;
2336 qemu_chr_new_from_opts(opts, NULL, &local_err);
2338 error_report("%s", error_get_pretty(local_err));
2339 error_free(local_err);
2345 #ifdef CONFIG_VIRTFS
2346 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2349 ret = qemu_fsdev_add(opts);
2355 static int mon_init_func(QemuOpts *opts, void *opaque)
2357 CharDriverState *chr;
2358 const char *chardev;
2362 mode = qemu_opt_get(opts, "mode");
2366 if (strcmp(mode, "readline") == 0) {
2367 flags = MONITOR_USE_READLINE;
2368 } else if (strcmp(mode, "control") == 0) {
2369 flags = MONITOR_USE_CONTROL;
2371 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2375 if (qemu_opt_get_bool(opts, "pretty", 0))
2376 flags |= MONITOR_USE_PRETTY;
2378 if (qemu_opt_get_bool(opts, "default", 0))
2379 flags |= MONITOR_IS_DEFAULT;
2381 chardev = qemu_opt_get(opts, "chardev");
2382 chr = qemu_chr_find(chardev);
2384 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2388 qemu_chr_fe_claim_no_fail(chr);
2389 monitor_init(chr, flags);
2393 static void monitor_parse(const char *optarg, const char *mode)
2395 static int monitor_device_index = 0;
2401 if (strstart(optarg, "chardev:", &p)) {
2402 snprintf(label, sizeof(label), "%s", p);
2404 snprintf(label, sizeof(label), "compat_monitor%d",
2405 monitor_device_index);
2406 if (monitor_device_index == 0) {
2409 opts = qemu_chr_parse_compat(label, optarg);
2411 fprintf(stderr, "parse error: %s\n", optarg);
2416 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2418 fprintf(stderr, "duplicate chardev: %s\n", label);
2421 qemu_opt_set(opts, "mode", mode);
2422 qemu_opt_set(opts, "chardev", label);
2424 qemu_opt_set(opts, "default", "on");
2425 monitor_device_index++;
2428 struct device_config {
2430 DEV_USB, /* -usbdevice */
2432 DEV_SERIAL, /* -serial */
2433 DEV_PARALLEL, /* -parallel */
2434 DEV_VIRTCON, /* -virtioconsole */
2435 DEV_DEBUGCON, /* -debugcon */
2436 DEV_GDB, /* -gdb, -s */
2437 DEV_SCLP, /* s390 sclp */
2439 const char *cmdline;
2441 QTAILQ_ENTRY(device_config) next;
2444 static QTAILQ_HEAD(, device_config) device_configs =
2445 QTAILQ_HEAD_INITIALIZER(device_configs);
2447 static void add_device_config(int type, const char *cmdline)
2449 struct device_config *conf;
2451 conf = g_malloc0(sizeof(*conf));
2453 conf->cmdline = cmdline;
2454 loc_save(&conf->loc);
2455 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2458 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2460 struct device_config *conf;
2463 QTAILQ_FOREACH(conf, &device_configs, next) {
2464 if (conf->type != type)
2466 loc_push_restore(&conf->loc);
2467 rc = func(conf->cmdline);
2468 loc_pop(&conf->loc);
2475 static int serial_parse(const char *devname)
2477 static int index = 0;
2480 if (strcmp(devname, "none") == 0)
2482 if (index == MAX_SERIAL_PORTS) {
2483 fprintf(stderr, "qemu: too many serial ports\n");
2486 snprintf(label, sizeof(label), "serial%d", index);
2487 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2488 if (!serial_hds[index]) {
2489 fprintf(stderr, "qemu: could not connect serial device"
2490 " to character backend '%s'\n", devname);
2497 static int parallel_parse(const char *devname)
2499 static int index = 0;
2502 if (strcmp(devname, "none") == 0)
2504 if (index == MAX_PARALLEL_PORTS) {
2505 fprintf(stderr, "qemu: too many parallel ports\n");
2508 snprintf(label, sizeof(label), "parallel%d", index);
2509 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!parallel_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect parallel device"
2512 " to character backend '%s'\n", devname);
2519 static int virtcon_parse(const char *devname)
2521 QemuOptsList *device = qemu_find_opts("device");
2522 static int index = 0;
2524 QemuOpts *bus_opts, *dev_opts;
2526 if (strcmp(devname, "none") == 0)
2528 if (index == MAX_VIRTIO_CONSOLES) {
2529 fprintf(stderr, "qemu: too many virtio consoles\n");
2533 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2534 if (arch_type == QEMU_ARCH_S390X) {
2535 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2537 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2540 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2541 qemu_opt_set(dev_opts, "driver", "virtconsole");
2543 snprintf(label, sizeof(label), "virtcon%d", index);
2544 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2545 if (!virtcon_hds[index]) {
2546 fprintf(stderr, "qemu: could not connect virtio console"
2547 " to character backend '%s'\n", devname);
2550 qemu_opt_set(dev_opts, "chardev", label);
2556 static int sclp_parse(const char *devname)
2558 QemuOptsList *device = qemu_find_opts("device");
2559 static int index = 0;
2563 if (strcmp(devname, "none") == 0) {
2566 if (index == MAX_SCLP_CONSOLES) {
2567 fprintf(stderr, "qemu: too many sclp consoles\n");
2571 assert(arch_type == QEMU_ARCH_S390X);
2573 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2574 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2576 snprintf(label, sizeof(label), "sclpcon%d", index);
2577 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2578 if (!sclp_hds[index]) {
2579 fprintf(stderr, "qemu: could not connect sclp console"
2580 " to character backend '%s'\n", devname);
2583 qemu_opt_set(dev_opts, "chardev", label);
2589 static int debugcon_parse(const char *devname)
2593 if (!qemu_chr_new("debugcon", devname, NULL)) {
2596 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2598 fprintf(stderr, "qemu: already have a debugcon device\n");
2601 qemu_opt_set(opts, "driver", "isa-debugcon");
2602 qemu_opt_set(opts, "chardev", "debugcon");
2606 static MachineClass *machine_parse(const char *name)
2608 MachineClass *mc = NULL;
2609 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2612 mc = find_machine(name);
2617 if (name && !is_help_option(name)) {
2618 error_report("Unsupported machine type");
2619 error_printf("Use -machine help to list supported machines!\n");
2621 printf("Supported machines are:\n");
2622 for (el = machines; el; el = el->next) {
2623 MachineClass *mc = el->data;
2625 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2627 printf("%-20s %s%s\n", mc->name, mc->desc,
2628 mc->is_default ? " (default)" : "");
2632 g_slist_free(machines);
2633 exit(!name || !is_help_option(name));
2636 static int tcg_init(MachineClass *mc)
2638 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2643 const char *opt_name;
2645 int (*available)(void);
2646 int (*init)(MachineClass *mc);
2649 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2650 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2651 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2652 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2655 static int configure_accelerator(MachineClass *mc)
2660 bool accel_initialised = false;
2661 bool init_failed = false;
2663 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2665 /* Use the default "accelerator", tcg */
2669 while (!accel_initialised && *p != '\0') {
2673 p = get_opt_name(buf, sizeof (buf), p, ':');
2674 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2675 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2676 if (!accel_list[i].available()) {
2677 printf("%s not supported for this target\n",
2678 accel_list[i].name);
2681 *(accel_list[i].allowed) = true;
2682 ret = accel_list[i].init(mc);
2685 fprintf(stderr, "failed to initialize %s: %s\n",
2688 *(accel_list[i].allowed) = false;
2690 accel_initialised = true;
2695 if (i == ARRAY_SIZE(accel_list)) {
2696 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2700 if (!accel_initialised) {
2702 fprintf(stderr, "No accelerator found!\n");
2708 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2711 return !accel_initialised;
2714 void qemu_add_exit_notifier(Notifier *notify)
2716 notifier_list_add(&exit_notifiers, notify);
2719 void qemu_remove_exit_notifier(Notifier *notify)
2721 notifier_remove(notify);
2724 static void qemu_run_exit_notifiers(void)
2726 notifier_list_notify(&exit_notifiers, NULL);
2729 void qemu_add_machine_init_done_notifier(Notifier *notify)
2731 notifier_list_add(&machine_init_done_notifiers, notify);
2734 static void qemu_run_machine_init_done_notifiers(void)
2736 notifier_list_notify(&machine_init_done_notifiers, NULL);
2739 static const QEMUOption *lookup_opt(int argc, char **argv,
2740 const char **poptarg, int *poptind)
2742 const QEMUOption *popt;
2743 int optind = *poptind;
2744 char *r = argv[optind];
2747 loc_set_cmdline(argv, optind, 1);
2749 /* Treat --foo the same as -foo. */
2752 popt = qemu_options;
2755 error_report("invalid option");
2758 if (!strcmp(popt->name, r + 1))
2762 if (popt->flags & HAS_ARG) {
2763 if (optind >= argc) {
2764 error_report("requires an argument");
2767 optarg = argv[optind++];
2768 loc_set_cmdline(argv, optind - 2, 2);
2779 static gpointer malloc_and_trace(gsize n_bytes)
2781 void *ptr = malloc(n_bytes);
2782 trace_g_malloc(n_bytes, ptr);
2786 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2788 void *ptr = realloc(mem, n_bytes);
2789 trace_g_realloc(mem, n_bytes, ptr);
2793 static void free_and_trace(gpointer mem)
2799 static int object_set_property(const char *name, const char *value, void *opaque)
2801 Object *obj = OBJECT(opaque);
2802 StringInputVisitor *siv;
2803 Error *local_err = NULL;
2805 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2806 strcmp(name, "type") == 0) {
2810 siv = string_input_visitor_new(value);
2811 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2812 string_input_visitor_cleanup(siv);
2815 qerror_report_err(local_err);
2816 error_free(local_err);
2823 static int object_create(QemuOpts *opts, void *opaque)
2825 const char *type = qemu_opt_get(opts, "qom-type");
2826 const char *id = qemu_opts_id(opts);
2827 Error *local_err = NULL;
2830 g_assert(type != NULL);
2833 qerror_report(QERR_MISSING_PARAMETER, "id");
2837 obj = object_new(type);
2838 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2843 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2844 error_setg(&local_err, "object '%s' isn't supported by -object",
2849 object_property_add_child(container_get(object_get_root(), "/objects"),
2850 id, obj, &local_err);
2852 user_creatable_complete(obj, &local_err);
2854 object_property_del(container_get(object_get_root(), "/objects"),
2861 qerror_report_err(local_err);
2862 error_free(local_err);
2868 int main(int argc, char **argv, char **envp)
2871 int snapshot, linux_boot;
2872 const char *icount_option = NULL;
2873 const char *initrd_filename;
2874 const char *kernel_filename, *kernel_cmdline;
2875 const char *boot_order;
2877 int cyls, heads, secs, translation;
2878 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2879 QemuOptsList *olist;
2882 const char *loadvm = NULL;
2883 MachineClass *machine_class;
2884 const char *cpu_model;
2885 const char *vga_model = NULL;
2886 const char *qtest_chrdev = NULL;
2887 const char *qtest_log = NULL;
2888 const char *pid_file = NULL;
2889 const char *incoming = NULL;
2891 int show_vnc_port = 0;
2893 bool defconfig = true;
2894 bool userconfig = true;
2895 const char *log_mask = NULL;
2896 const char *log_file = NULL;
2897 GMemVTable mem_trace = {
2898 .malloc = malloc_and_trace,
2899 .realloc = realloc_and_trace,
2900 .free = free_and_trace,
2902 const char *trace_events = NULL;
2903 const char *trace_file = NULL;
2904 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2906 ram_addr_t maxram_size = default_ram_size;
2907 uint64_t ram_slots = 0;
2909 atexit(qemu_run_exit_notifiers);
2910 error_set_progname(argv[0]);
2911 qemu_init_exec_dir(argv[0]);
2913 g_mem_set_vtable(&mem_trace);
2915 module_call_init(MODULE_INIT_QOM);
2917 qemu_add_opts(&qemu_drive_opts);
2918 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2919 qemu_add_drive_opts(&qemu_common_drive_opts);
2920 qemu_add_drive_opts(&qemu_drive_opts);
2921 qemu_add_opts(&qemu_chardev_opts);
2922 qemu_add_opts(&qemu_device_opts);
2923 qemu_add_opts(&qemu_netdev_opts);
2924 qemu_add_opts(&qemu_net_opts);
2925 qemu_add_opts(&qemu_rtc_opts);
2926 qemu_add_opts(&qemu_global_opts);
2927 qemu_add_opts(&qemu_mon_opts);
2928 qemu_add_opts(&qemu_trace_opts);
2929 qemu_add_opts(&qemu_option_rom_opts);
2930 qemu_add_opts(&qemu_machine_opts);
2931 qemu_add_opts(&qemu_mem_opts);
2932 qemu_add_opts(&qemu_smp_opts);
2933 qemu_add_opts(&qemu_boot_opts);
2934 qemu_add_opts(&qemu_sandbox_opts);
2935 qemu_add_opts(&qemu_add_fd_opts);
2936 qemu_add_opts(&qemu_object_opts);
2937 qemu_add_opts(&qemu_tpmdev_opts);
2938 qemu_add_opts(&qemu_realtime_opts);
2939 qemu_add_opts(&qemu_msg_opts);
2940 qemu_add_opts(&qemu_name_opts);
2941 qemu_add_opts(&qemu_numa_opts);
2945 rtc_clock = QEMU_CLOCK_HOST;
2947 qemu_init_auxval(envp);
2948 qemu_cache_utils_init();
2950 QLIST_INIT (&vm_change_state_head);
2951 os_setup_early_signal_handling();
2953 module_call_init(MODULE_INIT_MACHINE);
2954 machine_class = find_default_machine();
2956 ram_size = default_ram_size;
2958 cyls = heads = secs = 0;
2959 translation = BIOS_ATA_TRANSLATION_AUTO;
2961 for (i = 0; i < MAX_NODES; i++) {
2962 numa_info[i].node_mem = 0;
2963 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2969 bdrv_init_with_whitelist();
2973 /* first pass of option parsing */
2975 while (optind < argc) {
2976 if (argv[optind][0] != '-') {
2980 const QEMUOption *popt;
2982 popt = lookup_opt(argc, argv, &optarg, &optind);
2983 switch (popt->index) {
2984 case QEMU_OPTION_nodefconfig:
2987 case QEMU_OPTION_nouserconfig:
2996 ret = qemu_read_default_config_files(userconfig);
3002 /* second pass of option parsing */
3007 if (argv[optind][0] != '-') {
3008 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3010 const QEMUOption *popt;
3012 popt = lookup_opt(argc, argv, &optarg, &optind);
3013 if (!(popt->arch_mask & arch_type)) {
3014 printf("Option %s not supported for this target\n", popt->name);
3017 switch(popt->index) {
3019 machine_class = machine_parse(optarg);
3021 case QEMU_OPTION_no_kvm_irqchip: {
3022 olist = qemu_find_opts("machine");
3023 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3026 case QEMU_OPTION_cpu:
3027 /* hw initialization will check this */
3030 case QEMU_OPTION_hda:
3034 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3036 snprintf(buf, sizeof(buf),
3037 "%s,cyls=%d,heads=%d,secs=%d%s",
3038 HD_OPTS , cyls, heads, secs,
3039 translation == BIOS_ATA_TRANSLATION_LBA ?
3041 translation == BIOS_ATA_TRANSLATION_NONE ?
3042 ",trans=none" : "");
3043 drive_add(IF_DEFAULT, 0, optarg, buf);
3046 case QEMU_OPTION_hdb:
3047 case QEMU_OPTION_hdc:
3048 case QEMU_OPTION_hdd:
3049 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3052 case QEMU_OPTION_drive:
3053 if (drive_def(optarg) == NULL) {
3057 case QEMU_OPTION_set:
3058 if (qemu_set_option(optarg) != 0)
3061 case QEMU_OPTION_global:
3062 if (qemu_global_option(optarg) != 0)
3065 case QEMU_OPTION_mtdblock:
3066 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3068 case QEMU_OPTION_sd:
3069 drive_add(IF_SD, -1, optarg, SD_OPTS);
3071 case QEMU_OPTION_pflash:
3072 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3074 case QEMU_OPTION_snapshot:
3077 case QEMU_OPTION_hdachs:
3081 cyls = strtol(p, (char **)&p, 0);
3082 if (cyls < 1 || cyls > 16383)
3087 heads = strtol(p, (char **)&p, 0);
3088 if (heads < 1 || heads > 16)
3093 secs = strtol(p, (char **)&p, 0);
3094 if (secs < 1 || secs > 63)
3098 if (!strcmp(p, "large")) {
3099 translation = BIOS_ATA_TRANSLATION_LARGE;
3100 } else if (!strcmp(p, "rechs")) {
3101 translation = BIOS_ATA_TRANSLATION_RECHS;
3102 } else if (!strcmp(p, "none")) {
3103 translation = BIOS_ATA_TRANSLATION_NONE;
3104 } else if (!strcmp(p, "lba")) {
3105 translation = BIOS_ATA_TRANSLATION_LBA;
3106 } else if (!strcmp(p, "auto")) {
3107 translation = BIOS_ATA_TRANSLATION_AUTO;
3111 } else if (*p != '\0') {
3113 fprintf(stderr, "qemu: invalid physical CHS format\n");
3116 if (hda_opts != NULL) {
3118 snprintf(num, sizeof(num), "%d", cyls);
3119 qemu_opt_set(hda_opts, "cyls", num);
3120 snprintf(num, sizeof(num), "%d", heads);
3121 qemu_opt_set(hda_opts, "heads", num);
3122 snprintf(num, sizeof(num), "%d", secs);
3123 qemu_opt_set(hda_opts, "secs", num);
3124 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3125 qemu_opt_set(hda_opts, "trans", "large");
3126 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3127 qemu_opt_set(hda_opts, "trans", "rechs");
3128 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3129 qemu_opt_set(hda_opts, "trans", "lba");
3130 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3131 qemu_opt_set(hda_opts, "trans", "none");
3136 case QEMU_OPTION_numa:
3137 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3142 case QEMU_OPTION_display:
3143 display_type = select_display(optarg);
3145 case QEMU_OPTION_nographic:
3146 display_type = DT_NOGRAPHIC;
3148 case QEMU_OPTION_curses:
3149 #ifdef CONFIG_CURSES
3150 display_type = DT_CURSES;
3152 fprintf(stderr, "Curses support is disabled\n");
3156 case QEMU_OPTION_portrait:
3157 graphic_rotate = 90;
3159 case QEMU_OPTION_rotate:
3160 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3161 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3162 graphic_rotate != 180 && graphic_rotate != 270) {
3164 "qemu: only 90, 180, 270 deg rotation is available\n");
3168 case QEMU_OPTION_kernel:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3171 case QEMU_OPTION_initrd:
3172 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3174 case QEMU_OPTION_append:
3175 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3177 case QEMU_OPTION_dtb:
3178 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3180 case QEMU_OPTION_cdrom:
3181 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3183 case QEMU_OPTION_boot:
3184 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3189 case QEMU_OPTION_fda:
3190 case QEMU_OPTION_fdb:
3191 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3194 case QEMU_OPTION_no_fd_bootchk:
3197 case QEMU_OPTION_netdev:
3198 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3202 case QEMU_OPTION_net:
3203 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3207 #ifdef CONFIG_LIBISCSI
3208 case QEMU_OPTION_iscsi:
3209 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3216 case QEMU_OPTION_tftp:
3217 legacy_tftp_prefix = optarg;
3219 case QEMU_OPTION_bootp:
3220 legacy_bootp_filename = optarg;
3222 case QEMU_OPTION_redir:
3223 if (net_slirp_redir(optarg) < 0)
3227 case QEMU_OPTION_bt:
3228 add_device_config(DEV_BT, optarg);
3230 case QEMU_OPTION_audio_help:
3234 case QEMU_OPTION_soundhw:
3235 select_soundhw (optarg);
3240 case QEMU_OPTION_version:
3244 case QEMU_OPTION_m: {
3246 const char *mem_str;
3247 const char *maxmem_str, *slots_str;
3249 opts = qemu_opts_parse(qemu_find_opts("memory"),
3255 mem_str = qemu_opt_get(opts, "size");
3257 error_report("invalid -m option, missing 'size' option");
3261 error_report("missing 'size' option value");
3265 sz = qemu_opt_get_size(opts, "size", ram_size);
3267 /* Fix up legacy suffix-less format */
3268 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3269 uint64_t overflow_check = sz;
3272 if ((sz >> 20) != overflow_check) {
3273 error_report("too large 'size' option value");
3278 /* backward compatibility behaviour for case "-m 0" */
3280 sz = default_ram_size;
3283 sz = QEMU_ALIGN_UP(sz, 8192);
3285 if (ram_size != sz) {
3286 error_report("ram size too large");
3290 maxmem_str = qemu_opt_get(opts, "maxmem");
3291 slots_str = qemu_opt_get(opts, "slots");
3292 if (maxmem_str && slots_str) {
3295 sz = qemu_opt_get_size(opts, "maxmem", 0);
3296 if (sz < ram_size) {
3297 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3298 "(%" PRIu64 ") <= initial memory (%"
3299 PRIu64 ")\n", sz, ram_size);
3303 slots = qemu_opt_get_number(opts, "slots", 0);
3304 if ((sz > ram_size) && !slots) {
3305 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3306 "(%" PRIu64 ") more than initial memory (%"
3307 PRIu64 ") but no hotplug slots where "
3308 "specified\n", sz, ram_size);
3312 if ((sz <= ram_size) && slots) {
3313 fprintf(stderr, "qemu: invalid -m option value: %"
3314 PRIu64 " hotplug slots where specified but "
3315 "maxmem (%" PRIu64 ") <= initial memory (%"
3316 PRIu64 ")\n", slots, sz, ram_size);
3321 } else if ((!maxmem_str && slots_str) ||
3322 (maxmem_str && !slots_str)) {
3323 fprintf(stderr, "qemu: invalid -m option value: missing "
3324 "'%s' option\n", slots_str ? "maxmem" : "slots");
3330 case QEMU_OPTION_tpmdev:
3331 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3336 case QEMU_OPTION_mempath:
3339 case QEMU_OPTION_mem_prealloc:
3349 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3351 case QEMU_OPTION_gdb:
3352 add_device_config(DEV_GDB, optarg);
3355 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3356 data_dir[data_dir_idx++] = optarg;
3359 case QEMU_OPTION_bios:
3360 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3362 case QEMU_OPTION_singlestep:
3369 keyboard_layout = optarg;
3371 case QEMU_OPTION_localtime:
3374 case QEMU_OPTION_vga:
3383 w = strtol(p, (char **)&p, 10);
3386 fprintf(stderr, "qemu: invalid resolution or depth\n");
3392 h = strtol(p, (char **)&p, 10);
3397 depth = strtol(p, (char **)&p, 10);
3398 if (depth != 8 && depth != 15 && depth != 16 &&
3399 depth != 24 && depth != 32)
3401 } else if (*p == '\0') {
3402 depth = graphic_depth;
3409 graphic_depth = depth;
3412 case QEMU_OPTION_echr:
3415 term_escape_char = strtol(optarg, &r, 0);
3417 printf("Bad argument to echr\n");
3420 case QEMU_OPTION_monitor:
3421 default_monitor = 0;
3422 if (strncmp(optarg, "none", 4)) {
3423 monitor_parse(optarg, "readline");
3426 case QEMU_OPTION_qmp:
3427 monitor_parse(optarg, "control");
3428 default_monitor = 0;
3430 case QEMU_OPTION_mon:
3431 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3435 default_monitor = 0;
3437 case QEMU_OPTION_chardev:
3438 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3443 case QEMU_OPTION_fsdev:
3444 olist = qemu_find_opts("fsdev");
3446 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3449 opts = qemu_opts_parse(olist, optarg, 1);
3454 case QEMU_OPTION_virtfs: {
3457 const char *writeout, *sock_fd, *socket;
3459 olist = qemu_find_opts("virtfs");
3461 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3464 opts = qemu_opts_parse(olist, optarg, 1);
3469 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3470 qemu_opt_get(opts, "mount_tag") == NULL) {
3471 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3474 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3475 qemu_opt_get(opts, "mount_tag"),
3478 fprintf(stderr, "duplicate fsdev id: %s\n",
3479 qemu_opt_get(opts, "mount_tag"));
3483 writeout = qemu_opt_get(opts, "writeout");
3485 #ifdef CONFIG_SYNC_FILE_RANGE
3486 qemu_opt_set(fsdev, "writeout", writeout);
3488 fprintf(stderr, "writeout=immediate not supported on "
3493 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3494 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3495 qemu_opt_set(fsdev, "security_model",
3496 qemu_opt_get(opts, "security_model"));
3497 socket = qemu_opt_get(opts, "socket");
3499 qemu_opt_set(fsdev, "socket", socket);
3501 sock_fd = qemu_opt_get(opts, "sock_fd");
3503 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3506 qemu_opt_set_bool(fsdev, "readonly",
3507 qemu_opt_get_bool(opts, "readonly", 0));
3508 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3510 qemu_opt_set(device, "driver", "virtio-9p-pci");
3511 qemu_opt_set(device, "fsdev",
3512 qemu_opt_get(opts, "mount_tag"));
3513 qemu_opt_set(device, "mount_tag",
3514 qemu_opt_get(opts, "mount_tag"));
3517 case QEMU_OPTION_virtfs_synth: {
3521 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3524 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3527 qemu_opt_set(fsdev, "fsdriver", "synth");
3529 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3531 qemu_opt_set(device, "driver", "virtio-9p-pci");
3532 qemu_opt_set(device, "fsdev", "v_synth");
3533 qemu_opt_set(device, "mount_tag", "v_synth");
3536 case QEMU_OPTION_serial:
3537 add_device_config(DEV_SERIAL, optarg);
3539 if (strncmp(optarg, "mon:", 4) == 0) {
3540 default_monitor = 0;
3543 case QEMU_OPTION_watchdog:
3546 "qemu: only one watchdog option may be given\n");
3551 case QEMU_OPTION_watchdog_action:
3552 if (select_watchdog_action(optarg) == -1) {
3553 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3557 case QEMU_OPTION_virtiocon:
3558 add_device_config(DEV_VIRTCON, optarg);
3559 default_virtcon = 0;
3560 if (strncmp(optarg, "mon:", 4) == 0) {
3561 default_monitor = 0;
3564 case QEMU_OPTION_parallel:
3565 add_device_config(DEV_PARALLEL, optarg);
3566 default_parallel = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3571 case QEMU_OPTION_debugcon:
3572 add_device_config(DEV_DEBUGCON, optarg);
3574 case QEMU_OPTION_loadvm:
3577 case QEMU_OPTION_full_screen:
3580 case QEMU_OPTION_no_frame:
3583 case QEMU_OPTION_alt_grab:
3586 case QEMU_OPTION_ctrl_grab:
3589 case QEMU_OPTION_no_quit:
3592 case QEMU_OPTION_sdl:
3594 display_type = DT_SDL;
3597 fprintf(stderr, "SDL support is disabled\n");
3600 case QEMU_OPTION_pidfile:
3603 case QEMU_OPTION_win2k_hack:
3604 win2k_install_hack = 1;
3606 case QEMU_OPTION_rtc_td_hack: {
3607 static GlobalProperty slew_lost_ticks[] = {
3609 .driver = "mc146818rtc",
3610 .property = "lost_tick_policy",
3613 { /* end of list */ }
3616 qdev_prop_register_global_list(slew_lost_ticks);
3619 case QEMU_OPTION_acpitable:
3620 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3624 do_acpitable_option(opts);
3626 case QEMU_OPTION_smbios:
3627 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3631 do_smbios_option(opts);
3633 case QEMU_OPTION_enable_kvm:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse(olist, "accel=kvm", 0);
3637 case QEMU_OPTION_machine:
3638 olist = qemu_find_opts("machine");
3639 opts = qemu_opts_parse(olist, optarg, 1);
3643 optarg = qemu_opt_get(opts, "type");
3645 machine_class = machine_parse(optarg);
3648 case QEMU_OPTION_no_kvm:
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse(olist, "accel=tcg", 0);
3652 case QEMU_OPTION_no_kvm_pit: {
3653 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3657 case QEMU_OPTION_no_kvm_pit_reinjection: {
3658 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3660 .driver = "kvm-pit",
3661 .property = "lost_tick_policy",
3664 { /* end of list */ }
3667 fprintf(stderr, "Warning: option deprecated, use "
3668 "lost_tick_policy property of kvm-pit instead.\n");
3669 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3672 case QEMU_OPTION_usb:
3673 olist = qemu_find_opts("machine");
3674 qemu_opts_parse(olist, "usb=on", 0);
3676 case QEMU_OPTION_usbdevice:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse(olist, "usb=on", 0);
3679 add_device_config(DEV_USB, optarg);
3681 case QEMU_OPTION_device:
3682 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3686 case QEMU_OPTION_smp:
3687 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3691 case QEMU_OPTION_vnc:
3694 vnc_display = optarg;
3696 fprintf(stderr, "VNC support is disabled\n");
3700 case QEMU_OPTION_no_acpi:
3703 case QEMU_OPTION_no_hpet:
3706 case QEMU_OPTION_balloon:
3707 if (balloon_parse(optarg) < 0) {
3708 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3712 case QEMU_OPTION_no_reboot:
3715 case QEMU_OPTION_no_shutdown:
3718 case QEMU_OPTION_show_cursor:
3721 case QEMU_OPTION_uuid:
3722 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3723 fprintf(stderr, "Fail to parse UUID string."
3724 " Wrong format.\n");
3727 qemu_uuid_set = true;
3729 case QEMU_OPTION_option_rom:
3730 if (nb_option_roms >= MAX_OPTION_ROMS) {
3731 fprintf(stderr, "Too many option ROMs\n");
3734 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3738 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3739 option_rom[nb_option_roms].bootindex =
3740 qemu_opt_get_number(opts, "bootindex", -1);
3741 if (!option_rom[nb_option_roms].name) {
3742 fprintf(stderr, "Option ROM file is not specified\n");
3747 case QEMU_OPTION_semihosting:
3748 semihosting_enabled = 1;
3750 case QEMU_OPTION_tdf:
3751 fprintf(stderr, "Warning: user space PIT time drift fix "
3752 "is no longer supported.\n");
3754 case QEMU_OPTION_name:
3755 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3760 case QEMU_OPTION_prom_env:
3761 if (nb_prom_envs >= MAX_PROM_ENVS) {
3762 fprintf(stderr, "Too many prom variables\n");
3765 prom_envs[nb_prom_envs] = optarg;
3768 case QEMU_OPTION_old_param:
3771 case QEMU_OPTION_clock:
3772 /* Clock options no longer exist. Keep this option for
3773 * backward compatibility.
3776 case QEMU_OPTION_startdate:
3777 configure_rtc_date_offset(optarg, 1);
3779 case QEMU_OPTION_rtc:
3780 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3784 configure_rtc(opts);
3786 case QEMU_OPTION_tb_size:
3787 tcg_tb_size = strtol(optarg, NULL, 0);
3788 if (tcg_tb_size < 0) {
3792 case QEMU_OPTION_icount:
3793 icount_option = optarg;
3795 case QEMU_OPTION_incoming:
3797 runstate_set(RUN_STATE_INMIGRATE);
3799 case QEMU_OPTION_nodefaults:
3802 case QEMU_OPTION_xen_domid:
3803 if (!(xen_available())) {
3804 printf("Option %s not supported for this target\n", popt->name);
3807 xen_domid = atoi(optarg);
3809 case QEMU_OPTION_xen_create:
3810 if (!(xen_available())) {
3811 printf("Option %s not supported for this target\n", popt->name);
3814 xen_mode = XEN_CREATE;
3816 case QEMU_OPTION_xen_attach:
3817 if (!(xen_available())) {
3818 printf("Option %s not supported for this target\n", popt->name);
3821 xen_mode = XEN_ATTACH;
3823 case QEMU_OPTION_trace:
3825 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3829 trace_events = qemu_opt_get(opts, "events");
3830 trace_file = qemu_opt_get(opts, "file");
3833 case QEMU_OPTION_readconfig:
3835 int ret = qemu_read_config_file(optarg);
3837 fprintf(stderr, "read config %s: %s\n", optarg,
3843 case QEMU_OPTION_spice:
3844 olist = qemu_find_opts("spice");
3846 fprintf(stderr, "spice is not supported by this qemu build.\n");
3849 opts = qemu_opts_parse(olist, optarg, 0);
3855 case QEMU_OPTION_writeconfig:
3858 if (strcmp(optarg, "-") == 0) {
3861 fp = fopen(optarg, "w");
3863 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3867 qemu_config_write(fp);
3873 case QEMU_OPTION_qtest:
3874 qtest_chrdev = optarg;
3876 case QEMU_OPTION_qtest_log:
3879 case QEMU_OPTION_sandbox:
3880 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3885 case QEMU_OPTION_add_fd:
3887 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3892 error_report("File descriptor passing is disabled on this "
3897 case QEMU_OPTION_object:
3898 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3903 case QEMU_OPTION_realtime:
3904 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3908 configure_realtime(opts);
3910 case QEMU_OPTION_msg:
3911 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3915 configure_msg(opts);
3918 os_parse_cmd_args(popt->index, optarg);
3926 if (qemu_init_main_loop()) {
3927 fprintf(stderr, "qemu_init_main_loop failed\n");
3931 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3935 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3940 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3944 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3949 if (machine_class == NULL) {
3950 fprintf(stderr, "No machine specified, and there is no default.\n"
3951 "Use -machine help to list supported machines!\n");
3955 cpu_exec_init_all();
3957 current_machine = MACHINE(object_new(object_class_get_name(
3958 OBJECT_CLASS(machine_class))));
3959 object_property_add_child(object_get_root(), "machine",
3960 OBJECT(current_machine), &error_abort);
3962 if (machine_class->hw_version) {
3963 qemu_set_version(machine_class->hw_version);
3966 if (qemu_opts_foreach(qemu_find_opts("object"),
3967 object_create, NULL, 0) != 0) {
3971 /* Init CPU def lists, based on config
3972 * - Must be called after all the qemu_read_config_file() calls
3973 * - Must be called before list_cpus()
3974 * - Must be called before machine->init()
3978 if (cpu_model && is_help_option(cpu_model)) {
3979 list_cpus(stdout, &fprintf, cpu_model);
3983 /* Open the logfile at this point, if necessary. We can't open the logfile
3984 * when encountering either of the logging options (-d or -D) because the
3985 * other one may be encountered later on the command line, changing the
3986 * location or level of logging.
3991 qemu_set_log_filename(log_file);
3994 mask = qemu_str_to_log_mask(log_mask);
3996 qemu_print_log_usage(stdout);
4002 if (!is_daemonized()) {
4003 if (!trace_init_backends(trace_events, trace_file)) {
4008 /* If no data_dir is specified then try to find it relative to the
4010 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4011 data_dir[data_dir_idx] = os_find_datadir();
4012 if (data_dir[data_dir_idx] != NULL) {
4016 /* If all else fails use the install path specified when building. */
4017 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4018 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4021 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4023 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4024 if (smp_cpus > machine_class->max_cpus) {
4025 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4026 "supported by machine `%s' (%d)\n", smp_cpus,
4027 machine_class->name, machine_class->max_cpus);
4032 * Get the default machine options from the machine if it is not already
4033 * specified either by the configuration file or by the command line.
4035 if (machine_class->default_machine_opts) {
4036 qemu_opts_set_defaults(qemu_find_opts("machine"),
4037 machine_class->default_machine_opts, 0);
4040 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4041 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4043 if (!vga_model && !default_vga) {
4044 vga_interface_type = VGA_DEVICE;
4046 if (!has_defaults || machine_class->no_serial) {
4049 if (!has_defaults || machine_class->no_parallel) {
4050 default_parallel = 0;
4052 if (!has_defaults || !machine_class->use_virtcon) {
4053 default_virtcon = 0;
4055 if (!has_defaults || !machine_class->use_sclp) {
4058 if (!has_defaults || machine_class->no_floppy) {
4061 if (!has_defaults || machine_class->no_cdrom) {
4064 if (!has_defaults || machine_class->no_sdcard) {
4067 if (!has_defaults) {
4068 default_monitor = 0;
4073 if (is_daemonized()) {
4074 /* According to documentation and historically, -nographic redirects
4075 * serial port, parallel port and monitor to stdio, which does not work
4076 * with -daemonize. We can redirect these to null instead, but since
4077 * -nographic is legacy, let's just error out.
4078 * We disallow -nographic only if all other ports are not redirected
4079 * explicitly, to not break existing legacy setups which uses
4080 * -nographic _and_ redirects all ports explicitly - this is valid
4081 * usage, -nographic is just a no-op in this case.
4083 if (display_type == DT_NOGRAPHIC
4084 && (default_parallel || default_serial
4085 || default_monitor || default_virtcon)) {
4086 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4089 #ifdef CONFIG_CURSES
4090 if (display_type == DT_CURSES) {
4091 fprintf(stderr, "curses display can not be used with -daemonize\n");
4097 if (display_type == DT_NOGRAPHIC) {
4098 if (default_parallel)
4099 add_device_config(DEV_PARALLEL, "null");
4100 if (default_serial && default_monitor) {
4101 add_device_config(DEV_SERIAL, "mon:stdio");
4102 } else if (default_virtcon && default_monitor) {
4103 add_device_config(DEV_VIRTCON, "mon:stdio");
4104 } else if (default_sclp && default_monitor) {
4105 add_device_config(DEV_SCLP, "mon:stdio");
4108 add_device_config(DEV_SERIAL, "stdio");
4109 if (default_virtcon)
4110 add_device_config(DEV_VIRTCON, "stdio");
4112 add_device_config(DEV_SCLP, "stdio");
4114 if (default_monitor)
4115 monitor_parse("stdio", "readline");
4119 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4120 if (default_parallel)
4121 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4122 if (default_monitor)
4123 monitor_parse("vc:80Cx24C", "readline");
4124 if (default_virtcon)
4125 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4127 add_device_config(DEV_SCLP, "vc:80Cx24C");
4131 if (display_type == DT_DEFAULT && !display_remote) {
4132 #if defined(CONFIG_GTK)
4133 display_type = DT_GTK;
4134 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4135 display_type = DT_SDL;
4136 #elif defined(CONFIG_VNC)
4137 vnc_display = "localhost:0,to=99";
4140 display_type = DT_NONE;
4144 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4145 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4146 "for SDL, ignoring option\n");
4148 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4149 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4150 "ignoring option\n");
4153 #if defined(CONFIG_GTK)
4154 if (display_type == DT_GTK) {
4155 early_gtk_display_init();
4161 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4163 #ifdef CONFIG_VIRTFS
4164 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4169 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4174 /* store value for the future use */
4175 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4177 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4182 machine_opts = qemu_get_machine_opts();
4183 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4185 object_unref(OBJECT(current_machine));
4189 configure_accelerator(machine_class);
4192 Error *local_err = NULL;
4193 qtest_init(qtest_chrdev, qtest_log, &local_err);
4195 error_report("%s", error_get_pretty(local_err));
4196 error_free(local_err);
4201 machine_opts = qemu_get_machine_opts();
4202 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4203 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4204 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4205 bios_name = qemu_opt_get(machine_opts, "firmware");
4207 boot_order = machine_class->default_boot_order;
4208 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4210 char *normal_boot_order;
4211 const char *order, *once;
4213 order = qemu_opt_get(opts, "order");
4215 validate_bootdevices(order);
4219 once = qemu_opt_get(opts, "once");
4221 validate_bootdevices(once);
4222 normal_boot_order = g_strdup(boot_order);
4224 qemu_register_reset(restore_boot_order, normal_boot_order);
4227 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4228 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4231 if (!kernel_cmdline) {
4232 kernel_cmdline = "";
4233 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4236 linux_boot = (kernel_filename != NULL);
4238 if (!linux_boot && *kernel_cmdline != '\0') {
4239 fprintf(stderr, "-append only allowed with -kernel option\n");
4243 if (!linux_boot && initrd_filename != NULL) {
4244 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4248 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4249 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4253 os_set_line_buffering();
4255 qemu_init_cpu_loop();
4256 qemu_mutex_lock_iothread();
4259 /* spice needs the timers to be initialized by this point */
4263 if (icount_option && (kvm_enabled() || xen_enabled())) {
4264 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4267 configure_icount(icount_option);
4269 /* clean up network at qemu process termination */
4270 atexit(&net_cleanup);
4272 if (net_init_clients() < 0) {
4277 if (tpm_init() < 0) {
4282 /* init the bluetooth world */
4283 if (foreach_device_config(DEV_BT, bt_parse))
4286 if (!xen_enabled()) {
4287 /* On 32-bit hosts, QEMU is limited by virtual address space */
4288 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4289 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4297 /* open the virtual block devices */
4299 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4300 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4301 &machine_class->block_default_type, 1) != 0) {
4305 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4307 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4308 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4310 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4317 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4321 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4323 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4325 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4327 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4330 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4333 /* If no default VGA is requested, the default is "none". */
4335 if (cirrus_vga_available()) {
4336 vga_model = "cirrus";
4337 } else if (vga_available()) {
4342 select_vgahw(vga_model);
4346 i = select_watchdog(watchdog);
4348 exit (i == 1 ? 1 : 0);
4351 if (machine_class->compat_props) {
4352 qdev_prop_register_global_list(machine_class->compat_props);
4356 qdev_machine_init();
4358 current_machine->ram_size = ram_size;
4359 current_machine->maxram_size = maxram_size;
4360 current_machine->ram_slots = ram_slots;
4361 current_machine->boot_order = boot_order;
4362 current_machine->cpu_model = cpu_model;
4364 machine_class->init(current_machine);
4368 cpu_synchronize_all_post_init();
4372 /* init USB devices */
4373 if (usb_enabled(false)) {
4374 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4378 /* init generic devices */
4379 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4382 net_check_clients();
4384 ds = init_displaystate();
4386 /* init local displays */
4387 switch (display_type) {
4389 (void)ds; /* avoid warning if no display is configured */
4391 #if defined(CONFIG_CURSES)
4393 curses_display_init(ds, full_screen);
4396 #if defined(CONFIG_SDL)
4398 sdl_display_init(ds, full_screen, no_frame);
4400 #elif defined(CONFIG_COCOA)
4402 cocoa_display_init(ds, full_screen);
4405 #if defined(CONFIG_GTK)
4407 gtk_display_init(ds, full_screen, grab_on_hover);
4414 /* must be after terminal init, SDL library changes signal handlers */
4415 os_setup_signal_handling();
4418 /* init remote displays */
4420 Error *local_err = NULL;
4421 vnc_display_init(ds);
4422 vnc_display_open(ds, vnc_display, &local_err);
4423 if (local_err != NULL) {
4424 error_report("Failed to start VNC server on `%s': %s",
4425 vnc_display, error_get_pretty(local_err));
4426 error_free(local_err);
4430 if (show_vnc_port) {
4431 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4437 qemu_spice_display_init();
4441 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4445 qdev_machine_creation_done();
4447 if (rom_load_all() != 0) {
4448 fprintf(stderr, "rom loading failed\n");
4452 /* TODO: once all bus devices are qdevified, this should be done
4453 * when bus is created by qdev.c */
4454 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4455 qemu_run_machine_init_done_notifiers();
4457 /* Done notifiers can load ROMs */
4460 qemu_system_reset(VMRESET_SILENT);
4462 if (load_vmstate(loadvm) < 0) {
4467 qdev_prop_check_global();
4470 Error *local_err = NULL;
4471 qemu_start_incoming_migration(incoming, &local_err);
4473 error_report("-incoming %s: %s", incoming,
4474 error_get_pretty(local_err));
4475 error_free(local_err);
4478 } else if (autostart) {
4484 if (is_daemonized()) {
4485 if (!trace_init_backends(trace_events, trace_file)) {