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 uint64_t node_mem[MAX_NODES];
199 unsigned long *node_cpumask[MAX_NODES];
201 uint8_t qemu_uuid[16];
204 static QEMUBootSetHandler *boot_set_handler;
205 static void *boot_set_opaque;
207 static NotifierList exit_notifiers =
208 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210 static NotifierList machine_init_done_notifiers =
211 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213 static bool tcg_allowed = true;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 static int tcg_tb_size;
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
252 static QemuOptsList qemu_rtc_opts = {
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
258 .type = QEMU_OPT_STRING,
261 .type = QEMU_OPT_STRING,
264 .type = QEMU_OPT_STRING,
266 { /* end of list */ }
270 static QemuOptsList qemu_sandbox_opts = {
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
277 .type = QEMU_OPT_BOOL,
279 { /* end of list */ }
283 static QemuOptsList qemu_trace_opts = {
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
290 .type = QEMU_OPT_STRING,
293 .type = QEMU_OPT_STRING,
295 { /* end of list */ }
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
306 .type = QEMU_OPT_NUMBER,
309 .type = QEMU_OPT_STRING,
311 { /* end of list */ }
315 static QemuOptsList qemu_machine_opts = {
317 .implied_opt_name = "type",
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
383 .type = QEMU_OPT_STRING,
384 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 { /* End of list */ }
390 static QemuOptsList qemu_boot_opts = {
392 .implied_opt_name = "order",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
398 .type = QEMU_OPT_STRING,
401 .type = QEMU_OPT_STRING,
404 .type = QEMU_OPT_BOOL,
407 .type = QEMU_OPT_STRING,
409 .name = "splash-time",
410 .type = QEMU_OPT_STRING,
412 .name = "reboot-timeout",
413 .type = QEMU_OPT_STRING,
416 .type = QEMU_OPT_BOOL,
422 static QemuOptsList qemu_add_fd_opts = {
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
428 .type = QEMU_OPT_NUMBER,
429 .help = "file descriptor of which a duplicate is added to fd set",
432 .type = QEMU_OPT_NUMBER,
433 .help = "ID of the fd set to add fd to",
436 .type = QEMU_OPT_STRING,
437 .help = "free-form string used to describe fd",
439 { /* end of list */ }
443 static QemuOptsList qemu_object_opts = {
445 .implied_opt_name = "qom-type",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 static QemuOptsList qemu_tpmdev_opts = {
454 .implied_opt_name = "type",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
457 /* options are defined in the TPM backends */
458 { /* end of list */ }
462 static QemuOptsList qemu_realtime_opts = {
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
468 .type = QEMU_OPT_BOOL,
470 { /* end of list */ }
474 static QemuOptsList qemu_msg_opts = {
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
480 .type = QEMU_OPT_BOOL,
482 { /* end of list */ }
486 static QemuOptsList qemu_name_opts = {
488 .implied_opt_name = "guest",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
494 .type = QEMU_OPT_STRING,
495 .help = "Sets the name of the guest.\n"
496 "This name will be displayed in the SDL window caption.\n"
497 "The name will also be used for the VNC server",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the QEMU process, as shown in top etc",
503 .name = "debug-threads",
504 .type = QEMU_OPT_BOOL,
505 .help = "When enabled, name the individual threads; defaults off.\n"
506 "NOTE: The thread names are for debugging and not a\n"
509 { /* End of list */ }
513 static QemuOptsList qemu_mem_opts = {
515 .implied_opt_name = "size",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
521 .type = QEMU_OPT_SIZE,
523 { /* end of list */ }
528 * Get machine options
530 * Returns: machine options (never null).
532 QemuOpts *qemu_get_machine_opts(void)
534 return qemu_find_opts_singleton("machine");
537 const char *qemu_get_vm_name(void)
542 static void res_free(void)
544 if (boot_splash_filedata != NULL) {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
550 static int default_driver_check(QemuOpts *opts, void *opaque)
552 const char *driver = qemu_opt_get(opts, "driver");
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
560 *(default_list[i].flag) = 0;
565 /***********************************************************/
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
573 } RunStateTransition;
575 static const RunStateTransition runstate_transitions_def[] = {
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
580 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
583 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
584 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
587 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
590 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
592 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
593 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
596 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
599 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
602 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
604 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
605 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
607 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
608 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
610 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
611 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
613 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
615 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
617 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
618 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
621 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
622 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
623 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
626 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
629 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_MAX, RUN_STATE_MAX },
634 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
636 bool runstate_check(RunState state)
638 return current_run_state == state;
641 static void runstate_init(void)
643 const RunStateTransition *p;
645 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
647 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
648 runstate_valid_transitions[p->from][p->to] = true;
652 /* This function will abort() on invalid state transitions */
653 void runstate_set(RunState new_state)
655 assert(new_state < RUN_STATE_MAX);
657 if (!runstate_valid_transitions[current_run_state][new_state]) {
658 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
659 RunState_lookup[current_run_state],
660 RunState_lookup[new_state]);
663 trace_runstate_set(new_state);
664 current_run_state = new_state;
667 int runstate_is_running(void)
669 return runstate_check(RUN_STATE_RUNNING);
672 bool runstate_needs_reset(void)
674 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
675 runstate_check(RUN_STATE_SHUTDOWN);
678 StatusInfo *qmp_query_status(Error **errp)
680 StatusInfo *info = g_malloc0(sizeof(*info));
682 info->running = runstate_is_running();
683 info->singlestep = singlestep;
684 info->status = current_run_state;
689 /***********************************************************/
690 /* real time host monotonic timer */
692 /***********************************************************/
693 /* host time/date access */
694 void qemu_get_timedate(struct tm *tm, int offset)
700 if (rtc_date_offset == -1) {
704 localtime_r(&ti, tm);
706 ti -= rtc_date_offset;
711 int qemu_timedate_diff(struct tm *tm)
715 if (rtc_date_offset == -1)
717 seconds = mktimegm(tm);
720 tmp.tm_isdst = -1; /* use timezone to figure it out */
721 seconds = mktime(&tmp);
724 seconds = mktimegm(tm) + rtc_date_offset;
726 return seconds - time(NULL);
729 void rtc_change_mon_event(struct tm *tm)
733 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
734 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
735 qobject_decref(data);
738 static void configure_rtc_date_offset(const char *startdate, int legacy)
740 time_t rtc_start_date;
743 if (!strcmp(startdate, "now") && legacy) {
744 rtc_date_offset = -1;
746 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
754 } else if (sscanf(startdate, "%d-%d-%d",
766 rtc_start_date = mktimegm(&tm);
767 if (rtc_start_date == -1) {
769 fprintf(stderr, "Invalid date format. Valid formats are:\n"
770 "'2006-06-17T16:01:21' or '2006-06-17'\n");
773 rtc_date_offset = time(NULL) - rtc_start_date;
777 static void configure_rtc(QemuOpts *opts)
781 value = qemu_opt_get(opts, "base");
783 if (!strcmp(value, "utc")) {
785 } else if (!strcmp(value, "localtime")) {
788 configure_rtc_date_offset(value, 0);
791 value = qemu_opt_get(opts, "clock");
793 if (!strcmp(value, "host")) {
794 rtc_clock = QEMU_CLOCK_HOST;
795 } else if (!strcmp(value, "rt")) {
796 rtc_clock = QEMU_CLOCK_REALTIME;
797 } else if (!strcmp(value, "vm")) {
798 rtc_clock = QEMU_CLOCK_VIRTUAL;
800 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
804 value = qemu_opt_get(opts, "driftfix");
806 if (!strcmp(value, "slew")) {
807 static GlobalProperty slew_lost_ticks[] = {
809 .driver = "mc146818rtc",
810 .property = "lost_tick_policy",
813 { /* end of list */ }
816 qdev_prop_register_global_list(slew_lost_ticks);
817 } else if (!strcmp(value, "none")) {
818 /* discard is default */
820 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
826 /***********************************************************/
827 /* Bluetooth support */
830 static struct HCIInfo *hci_table[MAX_NICS];
832 struct HCIInfo *qemu_next_hci(void)
834 if (cur_hci == nb_hcis)
837 return hci_table[cur_hci++];
840 static int bt_hci_parse(const char *str)
845 if (nb_hcis >= MAX_NICS) {
846 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
859 bdaddr.b[5] = 0x56 + nb_hcis;
860 hci->bdaddr_set(hci, bdaddr.b);
862 hci_table[nb_hcis++] = hci;
867 static void bt_vhci_add(int vlan_id)
869 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
872 fprintf(stderr, "qemu: warning: adding a VHCI to "
873 "an empty scatternet %i\n", vlan_id);
875 bt_vhci_init(bt_new_hci(vlan));
878 static struct bt_device_s *bt_device_add(const char *opt)
880 struct bt_scatternet_s *vlan;
882 char *endp = strstr(opt, ",vlan=");
883 int len = (endp ? endp - opt : strlen(opt)) + 1;
886 pstrcpy(devname, MIN(sizeof(devname), len), opt);
889 vlan_id = strtol(endp + 6, &endp, 0);
891 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
896 vlan = qemu_find_bt_vlan(vlan_id);
899 fprintf(stderr, "qemu: warning: adding a slave device to "
900 "an empty scatternet %i\n", vlan_id);
902 if (!strcmp(devname, "keyboard"))
903 return bt_keyboard_init(vlan);
905 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
909 static int bt_parse(const char *opt)
911 const char *endp, *p;
914 if (strstart(opt, "hci", &endp)) {
915 if (!*endp || *endp == ',') {
917 if (!strstart(endp, ",vlan=", 0))
920 return bt_hci_parse(opt);
922 } else if (strstart(opt, "vhci", &endp)) {
923 if (!*endp || *endp == ',') {
925 if (strstart(endp, ",vlan=", &p)) {
926 vlan = strtol(p, (char **) &endp, 0);
928 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
932 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
941 } else if (strstart(opt, "device:", &endp))
942 return !bt_device_add(endp);
944 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
948 static int parse_sandbox(QemuOpts *opts, void *opaque)
950 /* FIXME: change this to true for 1.3 */
951 if (qemu_opt_get_bool(opts, "enable", false)) {
952 #ifdef CONFIG_SECCOMP
953 if (seccomp_start() < 0) {
954 qerror_report(ERROR_CLASS_GENERIC_ERROR,
955 "failed to install seccomp syscall filter in the kernel");
959 qerror_report(ERROR_CLASS_GENERIC_ERROR,
960 "sandboxing request but seccomp is not compiled into this build");
968 static void parse_name(QemuOpts *opts)
970 const char *proc_name;
972 if (qemu_opt_get(opts, "debug-threads")) {
973 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
975 qemu_name = qemu_opt_get(opts, "guest");
977 proc_name = qemu_opt_get(opts, "process");
979 os_set_proc_name(proc_name);
983 bool usb_enabled(bool default_usb)
985 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
986 has_defaults && default_usb);
990 static int parse_add_fd(QemuOpts *opts, void *opaque)
992 int fd, dupfd, flags;
994 const char *fd_opaque = NULL;
996 fd = qemu_opt_get_number(opts, "fd", -1);
997 fdset_id = qemu_opt_get_number(opts, "set", -1);
998 fd_opaque = qemu_opt_get(opts, "opaque");
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1002 "fd option is required and must be non-negative");
1006 if (fd <= STDERR_FILENO) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008 "fd cannot be a standard I/O stream");
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1016 flags = fcntl(fd, F_GETFD);
1017 if (flags == -1 || (flags & FD_CLOEXEC)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd is not valid or already in use");
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "set option is required and must be non-negative");
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1034 qemu_set_cloexec(dupfd);
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "Error duplicating fd: %s", strerror(errno));
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1050 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1061 /***********************************************************/
1062 /* QEMU Block devices */
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1067 #define PFLASH_OPTS ""
1071 static int drive_init_func(QemuOpts *opts, void *opaque)
1073 BlockInterfaceType *block_default_type = opaque;
1075 return drive_init(opts, *block_default_type) == NULL;
1078 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1080 if (NULL == qemu_opt_get(opts, "snapshot")) {
1081 qemu_opt_set(opts, "snapshot", "on");
1086 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1087 int index, const char *optstr)
1091 if (!enable || drive_get_by_index(type, index)) {
1095 opts = drive_add(type, index, NULL, optstr);
1097 drive_enable_snapshot(opts, NULL);
1099 if (!drive_init(opts, type)) {
1104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1106 boot_set_handler = func;
1107 boot_set_opaque = opaque;
1110 int qemu_boot_set(const char *boot_order)
1112 if (!boot_set_handler) {
1115 return boot_set_handler(boot_set_opaque, boot_order);
1118 static void validate_bootdevices(const char *devices)
1120 /* We just do some generic consistency checks */
1124 for (p = devices; *p != '\0'; p++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1134 if (*p < 'a' || *p > 'p') {
1135 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1138 if (bitmap & (1 << (*p - 'a'))) {
1139 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1142 bitmap |= 1 << (*p - 'a');
1146 static void restore_boot_order(void *opaque)
1148 char *normal_boot_order = opaque;
1149 static int first = 1;
1151 /* Restore boot order and remove ourselves after the first boot */
1157 qemu_boot_set(normal_boot_order);
1159 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1160 g_free(normal_boot_order);
1163 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1166 FWBootEntry *node, *i;
1168 if (bootindex < 0) {
1172 assert(dev != NULL || suffix != NULL);
1174 node = g_malloc0(sizeof(FWBootEntry));
1175 node->bootindex = bootindex;
1176 node->suffix = g_strdup(suffix);
1179 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1180 if (i->bootindex == bootindex) {
1181 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1183 } else if (i->bootindex < bootindex) {
1186 QTAILQ_INSERT_BEFORE(i, node, link);
1189 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1192 DeviceState *get_boot_device(uint32_t position)
1194 uint32_t counter = 0;
1195 FWBootEntry *i = NULL;
1196 DeviceState *res = NULL;
1198 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1199 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1200 if (counter == position) {
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1214 * memory pointed by "size" is assigned total length of the array in bytes
1217 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1223 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1224 char *devpath = NULL, *bootpath;
1228 devpath = qdev_get_fw_dev_path(i->dev);
1232 if (i->suffix && !ignore_suffixes && devpath) {
1233 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1235 bootpath = g_malloc(bootpathlen);
1236 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1238 } else if (devpath) {
1240 } else if (!ignore_suffixes) {
1242 bootpath = g_strdup(i->suffix);
1244 bootpath = g_strdup("");
1248 list[total-1] = '\n';
1250 len = strlen(bootpath) + 1;
1251 list = g_realloc(list, total + len);
1252 memcpy(&list[total], bootpath, len);
1259 if (boot_strict && *size > 0) {
1260 list[total-1] = '\n';
1261 list = g_realloc(list, total + 5);
1262 memcpy(&list[total], "HALT", 5);
1268 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1271 unsigned long long value, endvalue;
1273 /* Empty CPU range strings will be considered valid, they will simply
1274 * not set any bit in the CPU bitmap.
1280 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1283 if (*endptr == '-') {
1284 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1287 } else if (*endptr == '\0') {
1293 if (endvalue >= MAX_CPUMASK_BITS) {
1294 endvalue = MAX_CPUMASK_BITS - 1;
1296 "qemu: NUMA: A max of %d VCPUs are supported\n",
1300 if (endvalue < value) {
1304 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1308 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1312 static void numa_add(const char *optarg)
1316 unsigned long long nodenr;
1318 optarg = get_opt_name(option, 128, optarg, ',');
1319 if (*optarg == ',') {
1322 if (!strcmp(option, "node")) {
1324 if (nb_numa_nodes >= MAX_NODES) {
1325 fprintf(stderr, "qemu: too many NUMA nodes\n");
1329 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1330 nodenr = nb_numa_nodes;
1332 if (parse_uint_full(option, &nodenr, 10) < 0) {
1333 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1338 if (nodenr >= MAX_NODES) {
1339 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1343 if (get_param_value(option, 128, "mem", optarg) == 0) {
1344 node_mem[nodenr] = 0;
1347 sval = strtosz(option, &endptr);
1348 if (sval < 0 || *endptr) {
1349 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1352 node_mem[nodenr] = sval;
1354 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1355 numa_node_parse_cpus(nodenr, option);
1359 fprintf(stderr, "Invalid -numa option: %s\n", option);
1364 static QemuOptsList qemu_smp_opts = {
1366 .implied_opt_name = "cpus",
1367 .merge_lists = true,
1368 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1372 .type = QEMU_OPT_NUMBER,
1375 .type = QEMU_OPT_NUMBER,
1378 .type = QEMU_OPT_NUMBER,
1381 .type = QEMU_OPT_NUMBER,
1384 .type = QEMU_OPT_NUMBER,
1386 { /*End of list */ }
1390 static void smp_parse(QemuOpts *opts)
1394 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1395 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1396 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1397 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1399 /* compute missing values, prefer sockets over cores over threads */
1400 if (cpus == 0 || sockets == 0) {
1401 sockets = sockets > 0 ? sockets : 1;
1402 cores = cores > 0 ? cores : 1;
1403 threads = threads > 0 ? threads : 1;
1405 cpus = cores * threads * sockets;
1409 threads = threads > 0 ? threads : 1;
1410 cores = cpus / (sockets * threads);
1412 threads = cpus / (cores * sockets);
1416 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1419 smp_cores = cores > 0 ? cores : 1;
1420 smp_threads = threads > 0 ? threads : 1;
1424 if (max_cpus == 0) {
1425 max_cpus = smp_cpus;
1428 if (max_cpus > MAX_CPUMASK_BITS) {
1429 fprintf(stderr, "Unsupported number of maxcpus\n");
1432 if (max_cpus < smp_cpus) {
1433 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1439 static void configure_realtime(QemuOpts *opts)
1443 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1446 if (os_mlock() < 0) {
1447 fprintf(stderr, "qemu: locking memory failed\n");
1454 static void configure_msg(QemuOpts *opts)
1456 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1459 /***********************************************************/
1462 static int usb_device_add(const char *devname)
1464 USBDevice *dev = NULL;
1465 #ifndef CONFIG_LINUX
1469 if (!usb_enabled(false)) {
1473 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1474 dev = usbdevice_create(devname);
1478 /* the other ones */
1479 #ifndef CONFIG_LINUX
1480 /* only the linux version is qdev-ified, usb-bsd still needs this */
1481 if (strstart(devname, "host:", &p)) {
1482 dev = usb_host_device_open(usb_bus_find(-1), p);
1492 static int usb_device_del(const char *devname)
1497 if (strstart(devname, "host:", &p)) {
1501 if (!usb_enabled(false)) {
1505 p = strchr(devname, '.');
1508 bus_num = strtoul(devname, NULL, 0);
1509 addr = strtoul(p + 1, NULL, 0);
1511 return usb_device_delete_addr(bus_num, addr);
1514 static int usb_parse(const char *cmdline)
1517 r = usb_device_add(cmdline);
1519 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1524 void do_usb_add(Monitor *mon, const QDict *qdict)
1526 const char *devname = qdict_get_str(qdict, "devname");
1527 if (usb_device_add(devname) < 0) {
1528 error_report("could not add USB device '%s'", devname);
1532 void do_usb_del(Monitor *mon, const QDict *qdict)
1534 const char *devname = qdict_get_str(qdict, "devname");
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1540 /***********************************************************/
1541 /* PCMCIA/Cardbus */
1543 static struct pcmcia_socket_entry_s {
1544 PCMCIASocket *socket;
1545 struct pcmcia_socket_entry_s *next;
1546 } *pcmcia_sockets = 0;
1548 void pcmcia_socket_register(PCMCIASocket *socket)
1550 struct pcmcia_socket_entry_s *entry;
1552 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1553 entry->socket = socket;
1554 entry->next = pcmcia_sockets;
1555 pcmcia_sockets = entry;
1558 void pcmcia_socket_unregister(PCMCIASocket *socket)
1560 struct pcmcia_socket_entry_s *entry, **ptr;
1562 ptr = &pcmcia_sockets;
1563 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1564 if (entry->socket == socket) {
1570 void pcmcia_info(Monitor *mon, const QDict *qdict)
1572 struct pcmcia_socket_entry_s *iter;
1574 if (!pcmcia_sockets)
1575 monitor_printf(mon, "No PCMCIA sockets\n");
1577 for (iter = pcmcia_sockets; iter; iter = iter->next)
1578 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1579 iter->socket->attached ? iter->socket->card_string :
1583 /***********************************************************/
1584 /* machine registration */
1586 MachineState *current_machine;
1588 static void machine_class_init(ObjectClass *oc, void *data)
1590 MachineClass *mc = MACHINE_CLASS(oc);
1591 QEMUMachine *qm = data;
1593 mc->name = qm->name;
1594 mc->alias = qm->alias;
1595 mc->desc = qm->desc;
1596 mc->init = qm->init;
1597 mc->reset = qm->reset;
1598 mc->hot_add_cpu = qm->hot_add_cpu;
1599 mc->kvm_type = qm->kvm_type;
1600 mc->block_default_type = qm->block_default_type;
1601 mc->max_cpus = qm->max_cpus;
1602 mc->no_serial = qm->no_serial;
1603 mc->no_parallel = qm->no_parallel;
1604 mc->use_virtcon = qm->use_virtcon;
1605 mc->use_sclp = qm->use_sclp;
1606 mc->no_floppy = qm->no_floppy;
1607 mc->no_cdrom = qm->no_cdrom;
1608 mc->no_sdcard = qm->no_sdcard;
1609 mc->is_default = qm->is_default;
1610 mc->default_machine_opts = qm->default_machine_opts;
1611 mc->default_boot_order = qm->default_boot_order;
1612 mc->compat_props = qm->compat_props;
1613 mc->hw_version = qm->hw_version;
1616 int qemu_register_machine(QEMUMachine *m)
1618 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1621 .parent = TYPE_MACHINE,
1622 .class_init = machine_class_init,
1623 .class_data = (void *)m,
1632 static MachineClass *find_machine(const char *name)
1634 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1635 MachineClass *mc = NULL;
1637 for (el = machines; el; el = el->next) {
1638 MachineClass *temp = el->data;
1640 if (!strcmp(temp->name, name)) {
1645 !strcmp(temp->alias, name)) {
1651 g_slist_free(machines);
1655 MachineClass *find_default_machine(void)
1657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1658 MachineClass *mc = NULL;
1660 for (el = machines; el; el = el->next) {
1661 MachineClass *temp = el->data;
1663 if (temp->is_default) {
1669 g_slist_free(machines);
1673 MachineInfoList *qmp_query_machines(Error **errp)
1675 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1676 MachineInfoList *mach_list = NULL;
1678 for (el = machines; el; el = el->next) {
1679 MachineClass *mc = el->data;
1680 MachineInfoList *entry;
1683 info = g_malloc0(sizeof(*info));
1684 if (mc->is_default) {
1685 info->has_is_default = true;
1686 info->is_default = true;
1690 info->has_alias = true;
1691 info->alias = g_strdup(mc->alias);
1694 info->name = g_strdup(mc->name);
1695 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1697 entry = g_malloc0(sizeof(*entry));
1698 entry->value = info;
1699 entry->next = mach_list;
1703 g_slist_free(machines);
1707 /***********************************************************/
1708 /* main execution loop */
1710 struct vm_change_state_entry {
1711 VMChangeStateHandler *cb;
1713 QLIST_ENTRY (vm_change_state_entry) entries;
1716 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1718 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1721 VMChangeStateEntry *e;
1723 e = g_malloc0(sizeof (*e));
1727 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1731 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1733 QLIST_REMOVE (e, entries);
1737 void vm_state_notify(int running, RunState state)
1739 VMChangeStateEntry *e;
1741 trace_vm_state_notify(running, state);
1743 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1744 e->cb(e->opaque, running, state);
1750 if (!runstate_is_running()) {
1752 runstate_set(RUN_STATE_RUNNING);
1753 vm_state_notify(1, RUN_STATE_RUNNING);
1755 monitor_protocol_event(QEVENT_RESUME, NULL);
1759 /* reset/shutdown handler */
1761 typedef struct QEMUResetEntry {
1762 QTAILQ_ENTRY(QEMUResetEntry) entry;
1763 QEMUResetHandler *func;
1767 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1768 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1769 static int reset_requested;
1770 static int shutdown_requested, shutdown_signal = -1;
1771 static pid_t shutdown_pid;
1772 static int powerdown_requested;
1773 static int debug_requested;
1774 static int suspend_requested;
1775 static WakeupReason wakeup_reason;
1776 static NotifierList powerdown_notifiers =
1777 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1778 static NotifierList suspend_notifiers =
1779 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1780 static NotifierList wakeup_notifiers =
1781 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1782 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1783 static RunState vmstop_requested = RUN_STATE_MAX;
1785 int qemu_shutdown_requested_get(void)
1787 return shutdown_requested;
1790 int qemu_reset_requested_get(void)
1792 return reset_requested;
1795 static int qemu_shutdown_requested(void)
1797 int r = shutdown_requested;
1798 shutdown_requested = 0;
1802 static void qemu_kill_report(void)
1804 if (!qtest_driver() && shutdown_signal != -1) {
1805 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1806 if (shutdown_pid == 0) {
1807 /* This happens for eg ^C at the terminal, so it's worth
1808 * avoiding printing an odd message in that case.
1810 fputc('\n', stderr);
1812 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1814 shutdown_signal = -1;
1818 static int qemu_reset_requested(void)
1820 int r = reset_requested;
1821 reset_requested = 0;
1825 static int qemu_suspend_requested(void)
1827 int r = suspend_requested;
1828 suspend_requested = 0;
1832 static WakeupReason qemu_wakeup_requested(void)
1834 return wakeup_reason;
1837 static int qemu_powerdown_requested(void)
1839 int r = powerdown_requested;
1840 powerdown_requested = 0;
1844 static int qemu_debug_requested(void)
1846 int r = debug_requested;
1847 debug_requested = 0;
1851 /* We use RUN_STATE_MAX but any invalid value will do */
1852 static bool qemu_vmstop_requested(RunState *r)
1854 if (vmstop_requested < RUN_STATE_MAX) {
1855 *r = vmstop_requested;
1856 vmstop_requested = RUN_STATE_MAX;
1863 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1865 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1868 re->opaque = opaque;
1869 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1872 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1876 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1877 if (re->func == func && re->opaque == opaque) {
1878 QTAILQ_REMOVE(&reset_handlers, re, entry);
1885 void qemu_devices_reset(void)
1887 QEMUResetEntry *re, *nre;
1889 /* reset all devices */
1890 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1891 re->func(re->opaque);
1895 void qemu_system_reset(bool report)
1899 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1901 if (mc && mc->reset) {
1904 qemu_devices_reset();
1907 monitor_protocol_event(QEVENT_RESET, NULL);
1909 cpu_synchronize_all_post_reset();
1912 void qemu_system_reset_request(void)
1915 shutdown_requested = 1;
1917 reset_requested = 1;
1920 qemu_notify_event();
1923 static void qemu_system_suspend(void)
1926 notifier_list_notify(&suspend_notifiers, NULL);
1927 runstate_set(RUN_STATE_SUSPENDED);
1928 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1931 void qemu_system_suspend_request(void)
1933 if (runstate_check(RUN_STATE_SUSPENDED)) {
1936 suspend_requested = 1;
1938 qemu_notify_event();
1941 void qemu_register_suspend_notifier(Notifier *notifier)
1943 notifier_list_add(&suspend_notifiers, notifier);
1946 void qemu_system_wakeup_request(WakeupReason reason)
1948 trace_system_wakeup_request(reason);
1950 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1953 if (!(wakeup_reason_mask & (1 << reason))) {
1956 runstate_set(RUN_STATE_RUNNING);
1957 wakeup_reason = reason;
1958 qemu_notify_event();
1961 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1964 wakeup_reason_mask |= (1 << reason);
1966 wakeup_reason_mask &= ~(1 << reason);
1970 void qemu_register_wakeup_notifier(Notifier *notifier)
1972 notifier_list_add(&wakeup_notifiers, notifier);
1975 void qemu_system_killed(int signal, pid_t pid)
1977 shutdown_signal = signal;
1980 qemu_system_shutdown_request();
1983 void qemu_system_shutdown_request(void)
1985 shutdown_requested = 1;
1986 qemu_notify_event();
1989 static void qemu_system_powerdown(void)
1991 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1992 notifier_list_notify(&powerdown_notifiers, NULL);
1995 void qemu_system_powerdown_request(void)
1997 powerdown_requested = 1;
1998 qemu_notify_event();
2001 void qemu_register_powerdown_notifier(Notifier *notifier)
2003 notifier_list_add(&powerdown_notifiers, notifier);
2006 void qemu_system_debug_request(void)
2008 debug_requested = 1;
2009 qemu_notify_event();
2012 void qemu_system_vmstop_request(RunState state)
2014 vmstop_requested = state;
2015 qemu_notify_event();
2018 static bool main_loop_should_exit(void)
2021 if (qemu_debug_requested()) {
2022 vm_stop(RUN_STATE_DEBUG);
2024 if (qemu_suspend_requested()) {
2025 qemu_system_suspend();
2027 if (qemu_shutdown_requested()) {
2029 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2031 vm_stop(RUN_STATE_SHUTDOWN);
2036 if (qemu_reset_requested()) {
2038 cpu_synchronize_all_states();
2039 qemu_system_reset(VMRESET_REPORT);
2041 if (runstate_needs_reset()) {
2042 runstate_set(RUN_STATE_PAUSED);
2045 if (qemu_wakeup_requested()) {
2047 cpu_synchronize_all_states();
2048 qemu_system_reset(VMRESET_SILENT);
2049 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
2050 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
2052 monitor_protocol_event(QEVENT_WAKEUP, NULL);
2054 if (qemu_powerdown_requested()) {
2055 qemu_system_powerdown();
2057 if (qemu_vmstop_requested(&r)) {
2063 static void main_loop(void)
2067 #ifdef CONFIG_PROFILER
2071 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2072 #ifdef CONFIG_PROFILER
2073 ti = profile_getclock();
2075 last_io = main_loop_wait(nonblocking);
2076 #ifdef CONFIG_PROFILER
2077 dev_time += profile_getclock() - ti;
2079 } while (!main_loop_should_exit());
2082 static void version(void)
2084 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2087 static void help(int exitcode)
2090 printf("usage: %s [options] [disk_image]\n\n"
2091 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2092 error_get_progname());
2094 #define QEMU_OPTIONS_GENERATE_HELP
2095 #include "qemu-options-wrapper.h"
2097 printf("\nDuring emulation, the following keys are useful:\n"
2098 "ctrl-alt-f toggle full screen\n"
2099 "ctrl-alt-n switch to virtual console 'n'\n"
2100 "ctrl-alt toggle mouse and keyboard grab\n"
2102 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2107 #define HAS_ARG 0x0001
2109 typedef struct QEMUOption {
2116 static const QEMUOption qemu_options[] = {
2117 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2118 #define QEMU_OPTIONS_GENERATE_OPTIONS
2119 #include "qemu-options-wrapper.h"
2123 static bool vga_available(void)
2125 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2128 static bool cirrus_vga_available(void)
2130 return object_class_by_name("cirrus-vga")
2131 || object_class_by_name("isa-cirrus-vga");
2134 static bool vmware_vga_available(void)
2136 return object_class_by_name("vmware-svga");
2139 static bool qxl_vga_available(void)
2141 return object_class_by_name("qxl-vga");
2144 static bool tcx_vga_available(void)
2146 return object_class_by_name("SUNW,tcx");
2149 static bool cg3_vga_available(void)
2151 return object_class_by_name("cgthree");
2154 static void select_vgahw (const char *p)
2158 assert(vga_interface_type == VGA_NONE);
2159 if (strstart(p, "std", &opts)) {
2160 if (vga_available()) {
2161 vga_interface_type = VGA_STD;
2163 fprintf(stderr, "Error: standard VGA not available\n");
2166 } else if (strstart(p, "cirrus", &opts)) {
2167 if (cirrus_vga_available()) {
2168 vga_interface_type = VGA_CIRRUS;
2170 fprintf(stderr, "Error: Cirrus VGA not available\n");
2173 } else if (strstart(p, "vmware", &opts)) {
2174 if (vmware_vga_available()) {
2175 vga_interface_type = VGA_VMWARE;
2177 fprintf(stderr, "Error: VMWare SVGA not available\n");
2180 } else if (strstart(p, "xenfb", &opts)) {
2181 vga_interface_type = VGA_XENFB;
2182 } else if (strstart(p, "qxl", &opts)) {
2183 if (qxl_vga_available()) {
2184 vga_interface_type = VGA_QXL;
2186 fprintf(stderr, "Error: QXL VGA not available\n");
2189 } else if (strstart(p, "tcx", &opts)) {
2190 if (tcx_vga_available()) {
2191 vga_interface_type = VGA_TCX;
2193 fprintf(stderr, "Error: TCX framebuffer not available\n");
2196 } else if (strstart(p, "cg3", &opts)) {
2197 if (cg3_vga_available()) {
2198 vga_interface_type = VGA_CG3;
2200 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2203 } else if (!strstart(p, "none", &opts)) {
2205 fprintf(stderr, "Unknown vga type: %s\n", p);
2209 const char *nextopt;
2211 if (strstart(opts, ",retrace=", &nextopt)) {
2213 if (strstart(opts, "dumb", &nextopt))
2214 vga_retrace_method = VGA_RETRACE_DUMB;
2215 else if (strstart(opts, "precise", &nextopt))
2216 vga_retrace_method = VGA_RETRACE_PRECISE;
2217 else goto invalid_vga;
2218 } else goto invalid_vga;
2223 static DisplayType select_display(const char *p)
2226 DisplayType display = DT_DEFAULT;
2228 if (strstart(p, "sdl", &opts)) {
2232 const char *nextopt;
2234 if (strstart(opts, ",frame=", &nextopt)) {
2236 if (strstart(opts, "on", &nextopt)) {
2238 } else if (strstart(opts, "off", &nextopt)) {
2241 goto invalid_sdl_args;
2243 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2245 if (strstart(opts, "on", &nextopt)) {
2247 } else if (strstart(opts, "off", &nextopt)) {
2250 goto invalid_sdl_args;
2252 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2254 if (strstart(opts, "on", &nextopt)) {
2256 } else if (strstart(opts, "off", &nextopt)) {
2259 goto invalid_sdl_args;
2261 } else if (strstart(opts, ",window_close=", &nextopt)) {
2263 if (strstart(opts, "on", &nextopt)) {
2265 } else if (strstart(opts, "off", &nextopt)) {
2268 goto invalid_sdl_args;
2272 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2278 fprintf(stderr, "SDL support is disabled\n");
2281 } else if (strstart(p, "vnc", &opts)) {
2286 const char *nextopt;
2288 if (strstart(opts, "=", &nextopt)) {
2289 vnc_display = nextopt;
2293 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2297 fprintf(stderr, "VNC support is disabled\n");
2300 } else if (strstart(p, "curses", &opts)) {
2301 #ifdef CONFIG_CURSES
2302 display = DT_CURSES;
2304 fprintf(stderr, "Curses support is disabled\n");
2307 } else if (strstart(p, "gtk", &opts)) {
2311 const char *nextopt;
2313 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2315 if (strstart(opts, "on", &nextopt)) {
2316 grab_on_hover = true;
2317 } else if (strstart(opts, "off", &nextopt)) {
2318 grab_on_hover = false;
2320 goto invalid_gtk_args;
2324 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2330 fprintf(stderr, "GTK support is disabled\n");
2333 } else if (strstart(p, "none", &opts)) {
2336 fprintf(stderr, "Unknown display type: %s\n", p);
2343 static int balloon_parse(const char *arg)
2347 if (strcmp(arg, "none") == 0) {
2351 if (!strncmp(arg, "virtio", 6)) {
2352 if (arg[6] == ',') {
2353 /* have params -> parse them */
2354 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2358 /* create empty opts */
2359 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2362 qemu_opt_set(opts, "driver", "virtio-balloon");
2369 char *qemu_find_file(int type, const char *name)
2375 /* Try the name as a straight path first */
2376 if (access(name, R_OK) == 0) {
2377 trace_load_file(name, name);
2378 return g_strdup(name);
2382 case QEMU_FILE_TYPE_BIOS:
2385 case QEMU_FILE_TYPE_KEYMAP:
2386 subdir = "keymaps/";
2392 for (i = 0; i < data_dir_idx; i++) {
2393 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2394 if (access(buf, R_OK) == 0) {
2395 trace_load_file(name, buf);
2403 static int device_help_func(QemuOpts *opts, void *opaque)
2405 return qdev_device_help(opts);
2408 static int device_init_func(QemuOpts *opts, void *opaque)
2412 dev = qdev_device_add(opts);
2415 object_unref(OBJECT(dev));
2419 static int chardev_init_func(QemuOpts *opts, void *opaque)
2421 Error *local_err = NULL;
2423 qemu_chr_new_from_opts(opts, NULL, &local_err);
2425 error_report("%s", error_get_pretty(local_err));
2426 error_free(local_err);
2432 #ifdef CONFIG_VIRTFS
2433 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2436 ret = qemu_fsdev_add(opts);
2442 static int mon_init_func(QemuOpts *opts, void *opaque)
2444 CharDriverState *chr;
2445 const char *chardev;
2449 mode = qemu_opt_get(opts, "mode");
2453 if (strcmp(mode, "readline") == 0) {
2454 flags = MONITOR_USE_READLINE;
2455 } else if (strcmp(mode, "control") == 0) {
2456 flags = MONITOR_USE_CONTROL;
2458 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2462 if (qemu_opt_get_bool(opts, "pretty", 0))
2463 flags |= MONITOR_USE_PRETTY;
2465 if (qemu_opt_get_bool(opts, "default", 0))
2466 flags |= MONITOR_IS_DEFAULT;
2468 chardev = qemu_opt_get(opts, "chardev");
2469 chr = qemu_chr_find(chardev);
2471 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2475 qemu_chr_fe_claim_no_fail(chr);
2476 monitor_init(chr, flags);
2480 static void monitor_parse(const char *optarg, const char *mode)
2482 static int monitor_device_index = 0;
2488 if (strstart(optarg, "chardev:", &p)) {
2489 snprintf(label, sizeof(label), "%s", p);
2491 snprintf(label, sizeof(label), "compat_monitor%d",
2492 monitor_device_index);
2493 if (monitor_device_index == 0) {
2496 opts = qemu_chr_parse_compat(label, optarg);
2498 fprintf(stderr, "parse error: %s\n", optarg);
2503 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2505 fprintf(stderr, "duplicate chardev: %s\n", label);
2508 qemu_opt_set(opts, "mode", mode);
2509 qemu_opt_set(opts, "chardev", label);
2511 qemu_opt_set(opts, "default", "on");
2512 monitor_device_index++;
2515 struct device_config {
2517 DEV_USB, /* -usbdevice */
2519 DEV_SERIAL, /* -serial */
2520 DEV_PARALLEL, /* -parallel */
2521 DEV_VIRTCON, /* -virtioconsole */
2522 DEV_DEBUGCON, /* -debugcon */
2523 DEV_GDB, /* -gdb, -s */
2524 DEV_SCLP, /* s390 sclp */
2526 const char *cmdline;
2528 QTAILQ_ENTRY(device_config) next;
2531 static QTAILQ_HEAD(, device_config) device_configs =
2532 QTAILQ_HEAD_INITIALIZER(device_configs);
2534 static void add_device_config(int type, const char *cmdline)
2536 struct device_config *conf;
2538 conf = g_malloc0(sizeof(*conf));
2540 conf->cmdline = cmdline;
2541 loc_save(&conf->loc);
2542 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2545 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2547 struct device_config *conf;
2550 QTAILQ_FOREACH(conf, &device_configs, next) {
2551 if (conf->type != type)
2553 loc_push_restore(&conf->loc);
2554 rc = func(conf->cmdline);
2555 loc_pop(&conf->loc);
2562 static int serial_parse(const char *devname)
2564 static int index = 0;
2567 if (strcmp(devname, "none") == 0)
2569 if (index == MAX_SERIAL_PORTS) {
2570 fprintf(stderr, "qemu: too many serial ports\n");
2573 snprintf(label, sizeof(label), "serial%d", index);
2574 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2575 if (!serial_hds[index]) {
2576 fprintf(stderr, "qemu: could not connect serial device"
2577 " to character backend '%s'\n", devname);
2584 static int parallel_parse(const char *devname)
2586 static int index = 0;
2589 if (strcmp(devname, "none") == 0)
2591 if (index == MAX_PARALLEL_PORTS) {
2592 fprintf(stderr, "qemu: too many parallel ports\n");
2595 snprintf(label, sizeof(label), "parallel%d", index);
2596 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2597 if (!parallel_hds[index]) {
2598 fprintf(stderr, "qemu: could not connect parallel device"
2599 " to character backend '%s'\n", devname);
2606 static int virtcon_parse(const char *devname)
2608 QemuOptsList *device = qemu_find_opts("device");
2609 static int index = 0;
2611 QemuOpts *bus_opts, *dev_opts;
2613 if (strcmp(devname, "none") == 0)
2615 if (index == MAX_VIRTIO_CONSOLES) {
2616 fprintf(stderr, "qemu: too many virtio consoles\n");
2620 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2621 if (arch_type == QEMU_ARCH_S390X) {
2622 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2624 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2627 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2628 qemu_opt_set(dev_opts, "driver", "virtconsole");
2630 snprintf(label, sizeof(label), "virtcon%d", index);
2631 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2632 if (!virtcon_hds[index]) {
2633 fprintf(stderr, "qemu: could not connect virtio console"
2634 " to character backend '%s'\n", devname);
2637 qemu_opt_set(dev_opts, "chardev", label);
2643 static int sclp_parse(const char *devname)
2645 QemuOptsList *device = qemu_find_opts("device");
2646 static int index = 0;
2650 if (strcmp(devname, "none") == 0) {
2653 if (index == MAX_SCLP_CONSOLES) {
2654 fprintf(stderr, "qemu: too many sclp consoles\n");
2658 assert(arch_type == QEMU_ARCH_S390X);
2660 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2661 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2663 snprintf(label, sizeof(label), "sclpcon%d", index);
2664 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2665 if (!sclp_hds[index]) {
2666 fprintf(stderr, "qemu: could not connect sclp console"
2667 " to character backend '%s'\n", devname);
2670 qemu_opt_set(dev_opts, "chardev", label);
2676 static int debugcon_parse(const char *devname)
2680 if (!qemu_chr_new("debugcon", devname, NULL)) {
2683 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2685 fprintf(stderr, "qemu: already have a debugcon device\n");
2688 qemu_opt_set(opts, "driver", "isa-debugcon");
2689 qemu_opt_set(opts, "chardev", "debugcon");
2693 static MachineClass *machine_parse(const char *name)
2695 MachineClass *mc = NULL;
2696 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2699 mc = find_machine(name);
2704 if (name && !is_help_option(name)) {
2705 error_report("Unsupported machine type");
2706 error_printf("Use -machine help to list supported machines!\n");
2708 printf("Supported machines are:\n");
2709 for (el = machines; el; el = el->next) {
2710 MachineClass *mc = el->data;
2712 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2714 printf("%-20s %s%s\n", mc->name, mc->desc,
2715 mc->is_default ? " (default)" : "");
2719 g_slist_free(machines);
2720 exit(!name || !is_help_option(name));
2723 static int tcg_init(MachineClass *mc)
2725 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2730 const char *opt_name;
2732 int (*available)(void);
2733 int (*init)(MachineClass *mc);
2736 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2737 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2738 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2739 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2742 static int configure_accelerator(MachineClass *mc)
2747 bool accel_initialised = false;
2748 bool init_failed = false;
2750 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2752 /* Use the default "accelerator", tcg */
2756 while (!accel_initialised && *p != '\0') {
2760 p = get_opt_name(buf, sizeof (buf), p, ':');
2761 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2762 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2763 if (!accel_list[i].available()) {
2764 printf("%s not supported for this target\n",
2765 accel_list[i].name);
2768 *(accel_list[i].allowed) = true;
2769 ret = accel_list[i].init(mc);
2772 fprintf(stderr, "failed to initialize %s: %s\n",
2775 *(accel_list[i].allowed) = false;
2777 accel_initialised = true;
2782 if (i == ARRAY_SIZE(accel_list)) {
2783 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2787 if (!accel_initialised) {
2789 fprintf(stderr, "No accelerator found!\n");
2795 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2798 return !accel_initialised;
2801 void qemu_add_exit_notifier(Notifier *notify)
2803 notifier_list_add(&exit_notifiers, notify);
2806 void qemu_remove_exit_notifier(Notifier *notify)
2808 notifier_remove(notify);
2811 static void qemu_run_exit_notifiers(void)
2813 notifier_list_notify(&exit_notifiers, NULL);
2816 void qemu_add_machine_init_done_notifier(Notifier *notify)
2818 notifier_list_add(&machine_init_done_notifiers, notify);
2821 static void qemu_run_machine_init_done_notifiers(void)
2823 notifier_list_notify(&machine_init_done_notifiers, NULL);
2826 static const QEMUOption *lookup_opt(int argc, char **argv,
2827 const char **poptarg, int *poptind)
2829 const QEMUOption *popt;
2830 int optind = *poptind;
2831 char *r = argv[optind];
2834 loc_set_cmdline(argv, optind, 1);
2836 /* Treat --foo the same as -foo. */
2839 popt = qemu_options;
2842 error_report("invalid option");
2845 if (!strcmp(popt->name, r + 1))
2849 if (popt->flags & HAS_ARG) {
2850 if (optind >= argc) {
2851 error_report("requires an argument");
2854 optarg = argv[optind++];
2855 loc_set_cmdline(argv, optind - 2, 2);
2866 static gpointer malloc_and_trace(gsize n_bytes)
2868 void *ptr = malloc(n_bytes);
2869 trace_g_malloc(n_bytes, ptr);
2873 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2875 void *ptr = realloc(mem, n_bytes);
2876 trace_g_realloc(mem, n_bytes, ptr);
2880 static void free_and_trace(gpointer mem)
2886 static int object_set_property(const char *name, const char *value, void *opaque)
2888 Object *obj = OBJECT(opaque);
2889 StringInputVisitor *siv;
2890 Error *local_err = NULL;
2892 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2896 siv = string_input_visitor_new(value);
2897 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2898 string_input_visitor_cleanup(siv);
2901 qerror_report_err(local_err);
2902 error_free(local_err);
2909 static int object_create(QemuOpts *opts, void *opaque)
2911 const char *type = qemu_opt_get(opts, "qom-type");
2912 const char *id = qemu_opts_id(opts);
2913 Error *local_err = NULL;
2916 g_assert(type != NULL);
2919 qerror_report(QERR_MISSING_PARAMETER, "id");
2923 obj = object_new(type);
2924 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2929 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2930 error_setg(&local_err, "object '%s' isn't supported by -object",
2935 user_creatable_complete(obj, &local_err);
2940 object_property_add_child(container_get(object_get_root(), "/objects"),
2941 id, obj, &local_err);
2946 qerror_report_err(local_err);
2947 error_free(local_err);
2953 int main(int argc, char **argv, char **envp)
2956 int snapshot, linux_boot;
2957 const char *icount_option = NULL;
2958 const char *initrd_filename;
2959 const char *kernel_filename, *kernel_cmdline;
2960 const char *boot_order;
2962 int cyls, heads, secs, translation;
2963 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2964 QemuOptsList *olist;
2967 const char *loadvm = NULL;
2968 MachineClass *machine_class;
2969 const char *cpu_model;
2970 const char *vga_model = NULL;
2971 const char *qtest_chrdev = NULL;
2972 const char *qtest_log = NULL;
2973 const char *pid_file = NULL;
2974 const char *incoming = NULL;
2976 int show_vnc_port = 0;
2978 bool defconfig = true;
2979 bool userconfig = true;
2980 const char *log_mask = NULL;
2981 const char *log_file = NULL;
2982 GMemVTable mem_trace = {
2983 .malloc = malloc_and_trace,
2984 .realloc = realloc_and_trace,
2985 .free = free_and_trace,
2987 const char *trace_events = NULL;
2988 const char *trace_file = NULL;
2989 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2992 atexit(qemu_run_exit_notifiers);
2993 error_set_progname(argv[0]);
2994 qemu_init_exec_dir(argv[0]);
2996 g_mem_set_vtable(&mem_trace);
2998 module_call_init(MODULE_INIT_QOM);
3000 qemu_add_opts(&qemu_drive_opts);
3001 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3002 qemu_add_drive_opts(&qemu_common_drive_opts);
3003 qemu_add_drive_opts(&qemu_drive_opts);
3004 qemu_add_opts(&qemu_chardev_opts);
3005 qemu_add_opts(&qemu_device_opts);
3006 qemu_add_opts(&qemu_netdev_opts);
3007 qemu_add_opts(&qemu_net_opts);
3008 qemu_add_opts(&qemu_rtc_opts);
3009 qemu_add_opts(&qemu_global_opts);
3010 qemu_add_opts(&qemu_mon_opts);
3011 qemu_add_opts(&qemu_trace_opts);
3012 qemu_add_opts(&qemu_option_rom_opts);
3013 qemu_add_opts(&qemu_machine_opts);
3014 qemu_add_opts(&qemu_mem_opts);
3015 qemu_add_opts(&qemu_smp_opts);
3016 qemu_add_opts(&qemu_boot_opts);
3017 qemu_add_opts(&qemu_sandbox_opts);
3018 qemu_add_opts(&qemu_add_fd_opts);
3019 qemu_add_opts(&qemu_object_opts);
3020 qemu_add_opts(&qemu_tpmdev_opts);
3021 qemu_add_opts(&qemu_realtime_opts);
3022 qemu_add_opts(&qemu_msg_opts);
3023 qemu_add_opts(&qemu_name_opts);
3027 rtc_clock = QEMU_CLOCK_HOST;
3029 qemu_init_auxval(envp);
3030 qemu_cache_utils_init();
3032 QLIST_INIT (&vm_change_state_head);
3033 os_setup_early_signal_handling();
3035 module_call_init(MODULE_INIT_MACHINE);
3036 machine_class = find_default_machine();
3038 ram_size = default_ram_size;
3040 cyls = heads = secs = 0;
3041 translation = BIOS_ATA_TRANSLATION_AUTO;
3043 for (i = 0; i < MAX_NODES; i++) {
3045 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
3051 bdrv_init_with_whitelist();
3055 /* first pass of option parsing */
3057 while (optind < argc) {
3058 if (argv[optind][0] != '-') {
3062 const QEMUOption *popt;
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 switch (popt->index) {
3066 case QEMU_OPTION_nodefconfig:
3069 case QEMU_OPTION_nouserconfig:
3078 ret = qemu_read_default_config_files(userconfig);
3084 /* second pass of option parsing */
3089 if (argv[optind][0] != '-') {
3090 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3092 const QEMUOption *popt;
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 printf("Option %s not supported for this target\n", popt->name);
3099 switch(popt->index) {
3101 machine_class = machine_parse(optarg);
3103 case QEMU_OPTION_no_kvm_irqchip: {
3104 olist = qemu_find_opts("machine");
3105 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3108 case QEMU_OPTION_cpu:
3109 /* hw initialization will check this */
3112 case QEMU_OPTION_hda:
3116 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3118 snprintf(buf, sizeof(buf),
3119 "%s,cyls=%d,heads=%d,secs=%d%s",
3120 HD_OPTS , cyls, heads, secs,
3121 translation == BIOS_ATA_TRANSLATION_LBA ?
3123 translation == BIOS_ATA_TRANSLATION_NONE ?
3124 ",trans=none" : "");
3125 drive_add(IF_DEFAULT, 0, optarg, buf);
3128 case QEMU_OPTION_hdb:
3129 case QEMU_OPTION_hdc:
3130 case QEMU_OPTION_hdd:
3131 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3134 case QEMU_OPTION_drive:
3135 if (drive_def(optarg) == NULL) {
3139 case QEMU_OPTION_set:
3140 if (qemu_set_option(optarg) != 0)
3143 case QEMU_OPTION_global:
3144 if (qemu_global_option(optarg) != 0)
3147 case QEMU_OPTION_mtdblock:
3148 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3150 case QEMU_OPTION_sd:
3151 drive_add(IF_SD, -1, optarg, SD_OPTS);
3153 case QEMU_OPTION_pflash:
3154 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3156 case QEMU_OPTION_snapshot:
3159 case QEMU_OPTION_hdachs:
3163 cyls = strtol(p, (char **)&p, 0);
3164 if (cyls < 1 || cyls > 16383)
3169 heads = strtol(p, (char **)&p, 0);
3170 if (heads < 1 || heads > 16)
3175 secs = strtol(p, (char **)&p, 0);
3176 if (secs < 1 || secs > 63)
3180 if (!strcmp(p, "large")) {
3181 translation = BIOS_ATA_TRANSLATION_LARGE;
3182 } else if (!strcmp(p, "rechs")) {
3183 translation = BIOS_ATA_TRANSLATION_RECHS;
3184 } else if (!strcmp(p, "none")) {
3185 translation = BIOS_ATA_TRANSLATION_NONE;
3186 } else if (!strcmp(p, "lba")) {
3187 translation = BIOS_ATA_TRANSLATION_LBA;
3188 } else if (!strcmp(p, "auto")) {
3189 translation = BIOS_ATA_TRANSLATION_AUTO;
3193 } else if (*p != '\0') {
3195 fprintf(stderr, "qemu: invalid physical CHS format\n");
3198 if (hda_opts != NULL) {
3200 snprintf(num, sizeof(num), "%d", cyls);
3201 qemu_opt_set(hda_opts, "cyls", num);
3202 snprintf(num, sizeof(num), "%d", heads);
3203 qemu_opt_set(hda_opts, "heads", num);
3204 snprintf(num, sizeof(num), "%d", secs);
3205 qemu_opt_set(hda_opts, "secs", num);
3206 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3207 qemu_opt_set(hda_opts, "trans", "large");
3208 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3209 qemu_opt_set(hda_opts, "trans", "rechs");
3210 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3211 qemu_opt_set(hda_opts, "trans", "lba");
3212 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3213 qemu_opt_set(hda_opts, "trans", "none");
3218 case QEMU_OPTION_numa:
3221 case QEMU_OPTION_display:
3222 display_type = select_display(optarg);
3224 case QEMU_OPTION_nographic:
3225 display_type = DT_NOGRAPHIC;
3227 case QEMU_OPTION_curses:
3228 #ifdef CONFIG_CURSES
3229 display_type = DT_CURSES;
3231 fprintf(stderr, "Curses support is disabled\n");
3235 case QEMU_OPTION_portrait:
3236 graphic_rotate = 90;
3238 case QEMU_OPTION_rotate:
3239 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3240 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3241 graphic_rotate != 180 && graphic_rotate != 270) {
3243 "qemu: only 90, 180, 270 deg rotation is available\n");
3247 case QEMU_OPTION_kernel:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3250 case QEMU_OPTION_initrd:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3253 case QEMU_OPTION_append:
3254 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3256 case QEMU_OPTION_dtb:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3268 case QEMU_OPTION_fda:
3269 case QEMU_OPTION_fdb:
3270 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3273 case QEMU_OPTION_no_fd_bootchk:
3276 case QEMU_OPTION_netdev:
3277 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3281 case QEMU_OPTION_net:
3282 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3286 #ifdef CONFIG_LIBISCSI
3287 case QEMU_OPTION_iscsi:
3288 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3295 case QEMU_OPTION_tftp:
3296 legacy_tftp_prefix = optarg;
3298 case QEMU_OPTION_bootp:
3299 legacy_bootp_filename = optarg;
3301 case QEMU_OPTION_redir:
3302 if (net_slirp_redir(optarg) < 0)
3306 case QEMU_OPTION_bt:
3307 add_device_config(DEV_BT, optarg);
3309 case QEMU_OPTION_audio_help:
3313 case QEMU_OPTION_soundhw:
3314 select_soundhw (optarg);
3319 case QEMU_OPTION_version:
3323 case QEMU_OPTION_m: {
3325 const char *mem_str;
3327 opts = qemu_opts_parse(qemu_find_opts("memory"),
3333 mem_str = qemu_opt_get(opts, "size");
3335 error_report("invalid -m option, missing 'size' option");
3339 error_report("missing 'size' option value");
3343 sz = qemu_opt_get_size(opts, "size", ram_size);
3345 /* Fix up legacy suffix-less format */
3346 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3347 uint64_t overflow_check = sz;
3350 if ((sz >> 20) != overflow_check) {
3351 error_report("too large 'size' option value");
3356 /* backward compatibility behaviour for case "-m 0" */
3358 sz = default_ram_size;
3361 sz = QEMU_ALIGN_UP(sz, 8192);
3363 if (ram_size != sz) {
3364 error_report("ram size too large");
3370 case QEMU_OPTION_tpmdev:
3371 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3376 case QEMU_OPTION_mempath:
3379 case QEMU_OPTION_mem_prealloc:
3389 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3391 case QEMU_OPTION_gdb:
3392 add_device_config(DEV_GDB, optarg);
3395 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3396 data_dir[data_dir_idx++] = optarg;
3399 case QEMU_OPTION_bios:
3400 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3402 case QEMU_OPTION_singlestep:
3409 keyboard_layout = optarg;
3411 case QEMU_OPTION_localtime:
3414 case QEMU_OPTION_vga:
3423 w = strtol(p, (char **)&p, 10);
3426 fprintf(stderr, "qemu: invalid resolution or depth\n");
3432 h = strtol(p, (char **)&p, 10);
3437 depth = strtol(p, (char **)&p, 10);
3438 if (depth != 8 && depth != 15 && depth != 16 &&
3439 depth != 24 && depth != 32)
3441 } else if (*p == '\0') {
3442 depth = graphic_depth;
3449 graphic_depth = depth;
3452 case QEMU_OPTION_echr:
3455 term_escape_char = strtol(optarg, &r, 0);
3457 printf("Bad argument to echr\n");
3460 case QEMU_OPTION_monitor:
3461 default_monitor = 0;
3462 if (strncmp(optarg, "none", 4)) {
3463 monitor_parse(optarg, "readline");
3466 case QEMU_OPTION_qmp:
3467 monitor_parse(optarg, "control");
3468 default_monitor = 0;
3470 case QEMU_OPTION_mon:
3471 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3475 default_monitor = 0;
3477 case QEMU_OPTION_chardev:
3478 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3483 case QEMU_OPTION_fsdev:
3484 olist = qemu_find_opts("fsdev");
3486 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3489 opts = qemu_opts_parse(olist, optarg, 1);
3494 case QEMU_OPTION_virtfs: {
3497 const char *writeout, *sock_fd, *socket;
3499 olist = qemu_find_opts("virtfs");
3501 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3504 opts = qemu_opts_parse(olist, optarg, 1);
3509 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3510 qemu_opt_get(opts, "mount_tag") == NULL) {
3511 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3514 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3515 qemu_opt_get(opts, "mount_tag"),
3518 fprintf(stderr, "duplicate fsdev id: %s\n",
3519 qemu_opt_get(opts, "mount_tag"));
3523 writeout = qemu_opt_get(opts, "writeout");
3525 #ifdef CONFIG_SYNC_FILE_RANGE
3526 qemu_opt_set(fsdev, "writeout", writeout);
3528 fprintf(stderr, "writeout=immediate not supported on "
3533 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3534 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3535 qemu_opt_set(fsdev, "security_model",
3536 qemu_opt_get(opts, "security_model"));
3537 socket = qemu_opt_get(opts, "socket");
3539 qemu_opt_set(fsdev, "socket", socket);
3541 sock_fd = qemu_opt_get(opts, "sock_fd");
3543 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3546 qemu_opt_set_bool(fsdev, "readonly",
3547 qemu_opt_get_bool(opts, "readonly", 0));
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3550 qemu_opt_set(device, "driver", "virtio-9p-pci");
3551 qemu_opt_set(device, "fsdev",
3552 qemu_opt_get(opts, "mount_tag"));
3553 qemu_opt_set(device, "mount_tag",
3554 qemu_opt_get(opts, "mount_tag"));
3557 case QEMU_OPTION_virtfs_synth: {
3561 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3564 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3567 qemu_opt_set(fsdev, "fsdriver", "synth");
3569 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3571 qemu_opt_set(device, "driver", "virtio-9p-pci");
3572 qemu_opt_set(device, "fsdev", "v_synth");
3573 qemu_opt_set(device, "mount_tag", "v_synth");
3576 case QEMU_OPTION_serial:
3577 add_device_config(DEV_SERIAL, optarg);
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3583 case QEMU_OPTION_watchdog:
3586 "qemu: only one watchdog option may be given\n");
3591 case QEMU_OPTION_watchdog_action:
3592 if (select_watchdog_action(optarg) == -1) {
3593 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3597 case QEMU_OPTION_virtiocon:
3598 add_device_config(DEV_VIRTCON, optarg);
3599 default_virtcon = 0;
3600 if (strncmp(optarg, "mon:", 4) == 0) {
3601 default_monitor = 0;
3604 case QEMU_OPTION_parallel:
3605 add_device_config(DEV_PARALLEL, optarg);
3606 default_parallel = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3611 case QEMU_OPTION_debugcon:
3612 add_device_config(DEV_DEBUGCON, optarg);
3614 case QEMU_OPTION_loadvm:
3617 case QEMU_OPTION_full_screen:
3620 case QEMU_OPTION_no_frame:
3623 case QEMU_OPTION_alt_grab:
3626 case QEMU_OPTION_ctrl_grab:
3629 case QEMU_OPTION_no_quit:
3632 case QEMU_OPTION_sdl:
3634 display_type = DT_SDL;
3637 fprintf(stderr, "SDL support is disabled\n");
3640 case QEMU_OPTION_pidfile:
3643 case QEMU_OPTION_win2k_hack:
3644 win2k_install_hack = 1;
3646 case QEMU_OPTION_rtc_td_hack: {
3647 static GlobalProperty slew_lost_ticks[] = {
3649 .driver = "mc146818rtc",
3650 .property = "lost_tick_policy",
3653 { /* end of list */ }
3656 qdev_prop_register_global_list(slew_lost_ticks);
3659 case QEMU_OPTION_acpitable:
3660 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3664 do_acpitable_option(opts);
3666 case QEMU_OPTION_smbios:
3667 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3671 do_smbios_option(opts);
3673 case QEMU_OPTION_enable_kvm:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse(olist, "accel=kvm", 0);
3677 case QEMU_OPTION_machine:
3678 olist = qemu_find_opts("machine");
3679 opts = qemu_opts_parse(olist, optarg, 1);
3683 optarg = qemu_opt_get(opts, "type");
3685 machine_class = machine_parse(optarg);
3688 case QEMU_OPTION_no_kvm:
3689 olist = qemu_find_opts("machine");
3690 qemu_opts_parse(olist, "accel=tcg", 0);
3692 case QEMU_OPTION_no_kvm_pit: {
3693 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3697 case QEMU_OPTION_no_kvm_pit_reinjection: {
3698 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3700 .driver = "kvm-pit",
3701 .property = "lost_tick_policy",
3704 { /* end of list */ }
3707 fprintf(stderr, "Warning: option deprecated, use "
3708 "lost_tick_policy property of kvm-pit instead.\n");
3709 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3712 case QEMU_OPTION_usb:
3713 olist = qemu_find_opts("machine");
3714 qemu_opts_parse(olist, "usb=on", 0);
3716 case QEMU_OPTION_usbdevice:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse(olist, "usb=on", 0);
3719 add_device_config(DEV_USB, optarg);
3721 case QEMU_OPTION_device:
3722 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3726 case QEMU_OPTION_smp:
3727 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3731 case QEMU_OPTION_vnc:
3734 vnc_display = optarg;
3736 fprintf(stderr, "VNC support is disabled\n");
3740 case QEMU_OPTION_no_acpi:
3743 case QEMU_OPTION_no_hpet:
3746 case QEMU_OPTION_balloon:
3747 if (balloon_parse(optarg) < 0) {
3748 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3752 case QEMU_OPTION_no_reboot:
3755 case QEMU_OPTION_no_shutdown:
3758 case QEMU_OPTION_show_cursor:
3761 case QEMU_OPTION_uuid:
3762 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3763 fprintf(stderr, "Fail to parse UUID string."
3764 " Wrong format.\n");
3767 qemu_uuid_set = true;
3769 case QEMU_OPTION_option_rom:
3770 if (nb_option_roms >= MAX_OPTION_ROMS) {
3771 fprintf(stderr, "Too many option ROMs\n");
3774 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3778 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3779 option_rom[nb_option_roms].bootindex =
3780 qemu_opt_get_number(opts, "bootindex", -1);
3781 if (!option_rom[nb_option_roms].name) {
3782 fprintf(stderr, "Option ROM file is not specified\n");
3787 case QEMU_OPTION_semihosting:
3788 semihosting_enabled = 1;
3790 case QEMU_OPTION_tdf:
3791 fprintf(stderr, "Warning: user space PIT time drift fix "
3792 "is no longer supported.\n");
3794 case QEMU_OPTION_name:
3795 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3801 case QEMU_OPTION_prom_env:
3802 if (nb_prom_envs >= MAX_PROM_ENVS) {
3803 fprintf(stderr, "Too many prom variables\n");
3806 prom_envs[nb_prom_envs] = optarg;
3809 case QEMU_OPTION_old_param:
3812 case QEMU_OPTION_clock:
3813 /* Clock options no longer exist. Keep this option for
3814 * backward compatibility.
3817 case QEMU_OPTION_startdate:
3818 configure_rtc_date_offset(optarg, 1);
3820 case QEMU_OPTION_rtc:
3821 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3825 configure_rtc(opts);
3827 case QEMU_OPTION_tb_size:
3828 tcg_tb_size = strtol(optarg, NULL, 0);
3829 if (tcg_tb_size < 0) {
3833 case QEMU_OPTION_icount:
3834 icount_option = optarg;
3836 case QEMU_OPTION_incoming:
3838 runstate_set(RUN_STATE_INMIGRATE);
3840 case QEMU_OPTION_nodefaults:
3843 case QEMU_OPTION_xen_domid:
3844 if (!(xen_available())) {
3845 printf("Option %s not supported for this target\n", popt->name);
3848 xen_domid = atoi(optarg);
3850 case QEMU_OPTION_xen_create:
3851 if (!(xen_available())) {
3852 printf("Option %s not supported for this target\n", popt->name);
3855 xen_mode = XEN_CREATE;
3857 case QEMU_OPTION_xen_attach:
3858 if (!(xen_available())) {
3859 printf("Option %s not supported for this target\n", popt->name);
3862 xen_mode = XEN_ATTACH;
3864 case QEMU_OPTION_trace:
3866 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3870 trace_events = qemu_opt_get(opts, "events");
3871 trace_file = qemu_opt_get(opts, "file");
3874 case QEMU_OPTION_readconfig:
3876 int ret = qemu_read_config_file(optarg);
3878 fprintf(stderr, "read config %s: %s\n", optarg,
3884 case QEMU_OPTION_spice:
3885 olist = qemu_find_opts("spice");
3887 fprintf(stderr, "spice is not supported by this qemu build.\n");
3890 opts = qemu_opts_parse(olist, optarg, 0);
3896 case QEMU_OPTION_writeconfig:
3899 if (strcmp(optarg, "-") == 0) {
3902 fp = fopen(optarg, "w");
3904 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3908 qemu_config_write(fp);
3914 case QEMU_OPTION_qtest:
3915 qtest_chrdev = optarg;
3917 case QEMU_OPTION_qtest_log:
3920 case QEMU_OPTION_sandbox:
3921 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3926 case QEMU_OPTION_add_fd:
3928 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3933 error_report("File descriptor passing is disabled on this "
3938 case QEMU_OPTION_object:
3939 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3944 case QEMU_OPTION_realtime:
3945 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3949 configure_realtime(opts);
3951 case QEMU_OPTION_msg:
3952 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3956 configure_msg(opts);
3959 os_parse_cmd_args(popt->index, optarg);
3965 if (qemu_init_main_loop()) {
3966 fprintf(stderr, "qemu_init_main_loop failed\n");
3970 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3975 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3979 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3984 if (machine_class == NULL) {
3985 fprintf(stderr, "No machine specified, and there is no default.\n"
3986 "Use -machine help to list supported machines!\n");
3990 current_machine = MACHINE(object_new(object_class_get_name(
3991 OBJECT_CLASS(machine_class))));
3992 object_property_add_child(object_get_root(), "machine",
3993 OBJECT(current_machine), &error_abort);
3995 if (machine_class->hw_version) {
3996 qemu_set_version(machine_class->hw_version);
3999 if (qemu_opts_foreach(qemu_find_opts("object"),
4000 object_create, NULL, 0) != 0) {
4004 /* Init CPU def lists, based on config
4005 * - Must be called after all the qemu_read_config_file() calls
4006 * - Must be called before list_cpus()
4007 * - Must be called before machine->init()
4011 if (cpu_model && is_help_option(cpu_model)) {
4012 list_cpus(stdout, &fprintf, cpu_model);
4016 /* Open the logfile at this point, if necessary. We can't open the logfile
4017 * when encountering either of the logging options (-d or -D) because the
4018 * other one may be encountered later on the command line, changing the
4019 * location or level of logging.
4024 qemu_set_log_filename(log_file);
4027 mask = qemu_str_to_log_mask(log_mask);
4029 qemu_print_log_usage(stdout);
4035 if (!is_daemonized()) {
4036 if (!trace_backend_init(trace_events, trace_file)) {
4041 /* If no data_dir is specified then try to find it relative to the
4043 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4044 data_dir[data_dir_idx] = os_find_datadir();
4045 if (data_dir[data_dir_idx] != NULL) {
4049 /* If all else fails use the install path specified when building. */
4050 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4051 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4054 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4056 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4057 if (smp_cpus > machine_class->max_cpus) {
4058 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4059 "supported by machine `%s' (%d)\n", smp_cpus,
4060 machine_class->name, machine_class->max_cpus);
4065 * Get the default machine options from the machine if it is not already
4066 * specified either by the configuration file or by the command line.
4068 if (machine_class->default_machine_opts) {
4069 qemu_opts_set_defaults(qemu_find_opts("machine"),
4070 machine_class->default_machine_opts, 0);
4073 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4074 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4076 if (!vga_model && !default_vga) {
4077 vga_interface_type = VGA_DEVICE;
4079 if (!has_defaults || machine_class->no_serial) {
4082 if (!has_defaults || machine_class->no_parallel) {
4083 default_parallel = 0;
4085 if (!has_defaults || !machine_class->use_virtcon) {
4086 default_virtcon = 0;
4088 if (!has_defaults || !machine_class->use_sclp) {
4091 if (!has_defaults || machine_class->no_floppy) {
4094 if (!has_defaults || machine_class->no_cdrom) {
4097 if (!has_defaults || machine_class->no_sdcard) {
4100 if (!has_defaults) {
4101 default_monitor = 0;
4106 if (is_daemonized()) {
4107 /* According to documentation and historically, -nographic redirects
4108 * serial port, parallel port and monitor to stdio, which does not work
4109 * with -daemonize. We can redirect these to null instead, but since
4110 * -nographic is legacy, let's just error out.
4111 * We disallow -nographic only if all other ports are not redirected
4112 * explicitly, to not break existing legacy setups which uses
4113 * -nographic _and_ redirects all ports explicitly - this is valid
4114 * usage, -nographic is just a no-op in this case.
4116 if (display_type == DT_NOGRAPHIC
4117 && (default_parallel || default_serial
4118 || default_monitor || default_virtcon)) {
4119 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4122 #ifdef CONFIG_CURSES
4123 if (display_type == DT_CURSES) {
4124 fprintf(stderr, "curses display can not be used with -daemonize\n");
4130 if (display_type == DT_NOGRAPHIC) {
4131 if (default_parallel)
4132 add_device_config(DEV_PARALLEL, "null");
4133 if (default_serial && default_monitor) {
4134 add_device_config(DEV_SERIAL, "mon:stdio");
4135 } else if (default_virtcon && default_monitor) {
4136 add_device_config(DEV_VIRTCON, "mon:stdio");
4137 } else if (default_sclp && default_monitor) {
4138 add_device_config(DEV_SCLP, "mon:stdio");
4141 add_device_config(DEV_SERIAL, "stdio");
4142 if (default_virtcon)
4143 add_device_config(DEV_VIRTCON, "stdio");
4145 add_device_config(DEV_SCLP, "stdio");
4147 if (default_monitor)
4148 monitor_parse("stdio", "readline");
4152 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4153 if (default_parallel)
4154 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4155 if (default_monitor)
4156 monitor_parse("vc:80Cx24C", "readline");
4157 if (default_virtcon)
4158 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4160 add_device_config(DEV_SCLP, "vc:80Cx24C");
4164 if (display_type == DT_DEFAULT && !display_remote) {
4165 #if defined(CONFIG_GTK)
4166 display_type = DT_GTK;
4167 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4168 display_type = DT_SDL;
4169 #elif defined(CONFIG_VNC)
4170 vnc_display = "localhost:0,to=99";
4173 display_type = DT_NONE;
4177 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4178 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4179 "for SDL, ignoring option\n");
4181 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4182 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4183 "ignoring option\n");
4186 #if defined(CONFIG_GTK)
4187 if (display_type == DT_GTK) {
4188 early_gtk_display_init();
4194 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4196 #ifdef CONFIG_VIRTFS
4197 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4204 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4209 /* store value for the future use */
4210 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4212 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4217 configure_accelerator(machine_class);
4220 Error *local_err = NULL;
4221 qtest_init(qtest_chrdev, qtest_log, &local_err);
4223 error_report("%s", error_get_pretty(local_err));
4224 error_free(local_err);
4229 machine_opts = qemu_get_machine_opts();
4230 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4231 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4232 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4233 bios_name = qemu_opt_get(machine_opts, "firmware");
4235 boot_order = machine_class->default_boot_order;
4236 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4238 char *normal_boot_order;
4239 const char *order, *once;
4241 order = qemu_opt_get(opts, "order");
4243 validate_bootdevices(order);
4247 once = qemu_opt_get(opts, "once");
4249 validate_bootdevices(once);
4250 normal_boot_order = g_strdup(boot_order);
4252 qemu_register_reset(restore_boot_order, normal_boot_order);
4255 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4256 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4259 if (!kernel_cmdline) {
4260 kernel_cmdline = "";
4263 linux_boot = (kernel_filename != NULL);
4265 if (!linux_boot && *kernel_cmdline != '\0') {
4266 fprintf(stderr, "-append only allowed with -kernel option\n");
4270 if (!linux_boot && initrd_filename != NULL) {
4271 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4275 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4276 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4280 os_set_line_buffering();
4282 qemu_init_cpu_loop();
4283 qemu_mutex_lock_iothread();
4286 /* spice needs the timers to be initialized by this point */
4290 if (icount_option && (kvm_enabled() || xen_enabled())) {
4291 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4294 configure_icount(icount_option);
4296 /* clean up network at qemu process termination */
4297 atexit(&net_cleanup);
4299 if (net_init_clients() < 0) {
4304 if (tpm_init() < 0) {
4309 /* init the bluetooth world */
4310 if (foreach_device_config(DEV_BT, bt_parse))
4313 if (!xen_enabled()) {
4314 /* On 32-bit hosts, QEMU is limited by virtual address space */
4315 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4316 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4321 cpu_exec_init_all();
4326 /* open the virtual block devices */
4328 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4329 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4330 &machine_class->block_default_type, 1) != 0) {
4334 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4336 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4337 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4339 if (nb_numa_nodes > 0) {
4342 if (nb_numa_nodes > MAX_NODES) {
4343 nb_numa_nodes = MAX_NODES;
4346 /* If no memory size if given for any node, assume the default case
4347 * and distribute the available memory equally across all nodes
4349 for (i = 0; i < nb_numa_nodes; i++) {
4350 if (node_mem[i] != 0)
4353 if (i == nb_numa_nodes) {
4354 uint64_t usedmem = 0;
4356 /* On Linux, the each node's border has to be 8MB aligned,
4357 * the final node gets the rest.
4359 for (i = 0; i < nb_numa_nodes - 1; i++) {
4360 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4361 usedmem += node_mem[i];
4363 node_mem[i] = ram_size - usedmem;
4366 for (i = 0; i < nb_numa_nodes; i++) {
4367 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4371 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4372 * must cope with this anyway, because there are BIOSes out there in
4373 * real machines which also use this scheme.
4375 if (i == nb_numa_nodes) {
4376 for (i = 0; i < max_cpus; i++) {
4377 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4382 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4386 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4388 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4390 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4392 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4395 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4398 /* If no default VGA is requested, the default is "none". */
4400 if (cirrus_vga_available()) {
4401 vga_model = "cirrus";
4402 } else if (vga_available()) {
4407 select_vgahw(vga_model);
4411 i = select_watchdog(watchdog);
4413 exit (i == 1 ? 1 : 0);
4416 if (machine_class->compat_props) {
4417 qdev_prop_register_global_list(machine_class->compat_props);
4421 qdev_machine_init();
4423 current_machine->init_args = (QEMUMachineInitArgs) {
4424 .machine = machine_class,
4425 .ram_size = ram_size,
4426 .boot_order = boot_order,
4427 .kernel_filename = kernel_filename,
4428 .kernel_cmdline = kernel_cmdline,
4429 .initrd_filename = initrd_filename,
4430 .cpu_model = cpu_model };
4432 machine_class->init(¤t_machine->init_args);
4436 cpu_synchronize_all_post_init();
4440 /* init USB devices */
4441 if (usb_enabled(false)) {
4442 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4446 /* init generic devices */
4447 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4450 net_check_clients();
4452 ds = init_displaystate();
4454 /* init local displays */
4455 switch (display_type) {
4457 (void)ds; /* avoid warning if no display is configured */
4459 #if defined(CONFIG_CURSES)
4461 curses_display_init(ds, full_screen);
4464 #if defined(CONFIG_SDL)
4466 sdl_display_init(ds, full_screen, no_frame);
4468 #elif defined(CONFIG_COCOA)
4470 cocoa_display_init(ds, full_screen);
4473 #if defined(CONFIG_GTK)
4475 gtk_display_init(ds, full_screen, grab_on_hover);
4482 /* must be after terminal init, SDL library changes signal handlers */
4483 os_setup_signal_handling();
4486 /* init remote displays */
4488 Error *local_err = NULL;
4489 vnc_display_init(ds);
4490 vnc_display_open(ds, vnc_display, &local_err);
4491 if (local_err != NULL) {
4492 error_report("Failed to start VNC server on `%s': %s",
4493 vnc_display, error_get_pretty(local_err));
4494 error_free(local_err);
4498 if (show_vnc_port) {
4499 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4505 qemu_spice_display_init();
4509 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4513 qdev_machine_creation_done();
4515 if (rom_load_all() != 0) {
4516 fprintf(stderr, "rom loading failed\n");
4520 /* TODO: once all bus devices are qdevified, this should be done
4521 * when bus is created by qdev.c */
4522 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4523 qemu_run_machine_init_done_notifiers();
4525 /* Done notifiers can load ROMs */
4528 qemu_system_reset(VMRESET_SILENT);
4530 if (load_vmstate(loadvm) < 0) {
4535 qdev_prop_check_global();
4538 Error *local_err = NULL;
4539 qemu_start_incoming_migration(incoming, &local_err);
4541 error_report("-incoming %s: %s", incoming,
4542 error_get_pretty(local_err));
4543 error_free(local_err);
4546 } else if (autostart) {
4552 if (is_daemonized()) {
4553 if (!trace_backend_init(trace_events, trace_file)) {