sdl: Initialization stubs
[qemu/cris-port.git] / vl.c
blobd5df442701b21a57121a51f301fdc3746202787b
1 /*
2 * QEMU System Emulator
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
22 * THE SOFTWARE.
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
42 return qemu_main(argc, argv, NULL);
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
54 #include <glib.h>
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
104 #include "disas/disas.h"
107 #include "slirp/libslirp.h"
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 #ifdef CONFIG_GTK
152 static bool grab_on_hover;
153 #endif
154 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
155 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
156 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 0;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
186 int icount_align_option;
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 uint8_t qemu_uuid[16];
192 bool qemu_uuid_set;
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
251 { /* end of list */ }
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
264 { /* end of list */ }
268 static QemuOptsList qemu_trace_opts = {
269 .name = "trace",
270 .implied_opt_name = "enable",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .desc = {
274 .name = "enable",
275 .type = QEMU_OPT_STRING,
278 .name = "events",
279 .type = QEMU_OPT_STRING,
281 .name = "file",
282 .type = QEMU_OPT_STRING,
284 { /* end of list */ }
288 static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
300 { /* end of list */ }
304 static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
347 { /*End of list */ }
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
368 { /* end of list */ }
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
399 { /* end of list */ }
403 static QemuOptsList qemu_msg_opts = {
404 .name = "msg",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
406 .desc = {
408 .name = "timestamp",
409 .type = QEMU_OPT_BOOL,
411 { /* end of list */ }
415 static QemuOptsList qemu_name_opts = {
416 .name = "name",
417 .implied_opt_name = "guest",
418 .merge_lists = true,
419 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
420 .desc = {
422 .name = "guest",
423 .type = QEMU_OPT_STRING,
424 .help = "Sets the name of the guest.\n"
425 "This name will be displayed in the SDL window caption.\n"
426 "The name will also be used for the VNC server",
427 }, {
428 .name = "process",
429 .type = QEMU_OPT_STRING,
430 .help = "Sets the name of the QEMU process, as shown in top etc",
431 }, {
432 .name = "debug-threads",
433 .type = QEMU_OPT_BOOL,
434 .help = "When enabled, name the individual threads; defaults off.\n"
435 "NOTE: The thread names are for debugging and not a\n"
436 "stable API.",
438 { /* End of list */ }
442 static QemuOptsList qemu_mem_opts = {
443 .name = "memory",
444 .implied_opt_name = "size",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .merge_lists = true,
447 .desc = {
449 .name = "size",
450 .type = QEMU_OPT_SIZE,
453 .name = "slots",
454 .type = QEMU_OPT_NUMBER,
457 .name = "maxmem",
458 .type = QEMU_OPT_SIZE,
460 { /* end of list */ }
464 static QemuOptsList qemu_icount_opts = {
465 .name = "icount",
466 .implied_opt_name = "shift",
467 .merge_lists = true,
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
469 .desc = {
471 .name = "shift",
472 .type = QEMU_OPT_STRING,
473 }, {
474 .name = "align",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "sleep",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "rr",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "rrfile",
484 .type = QEMU_OPT_STRING,
486 { /* end of list */ }
490 static QemuOptsList qemu_semihosting_config_opts = {
491 .name = "semihosting-config",
492 .implied_opt_name = "enable",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
494 .desc = {
496 .name = "enable",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "target",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "arg",
503 .type = QEMU_OPT_STRING,
505 { /* end of list */ }
509 static QemuOptsList qemu_fw_cfg_opts = {
510 .name = "fw_cfg",
511 .implied_opt_name = "name",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
513 .desc = {
515 .name = "name",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the fw_cfg name of the blob to be inserted",
518 }, {
519 .name = "file",
520 .type = QEMU_OPT_STRING,
521 .help = "Sets the name of the file from which\n"
522 "the fw_cfg blob will be loaded",
523 }, {
524 .name = "string",
525 .type = QEMU_OPT_STRING,
526 .help = "Sets content of the blob to be inserted from a string",
528 { /* end of list */ }
533 * Get machine options
535 * Returns: machine options (never null).
537 QemuOpts *qemu_get_machine_opts(void)
539 return qemu_find_opts_singleton("machine");
542 const char *qemu_get_vm_name(void)
544 return qemu_name;
547 static void res_free(void)
549 g_free(boot_splash_filedata);
550 boot_splash_filedata = NULL;
553 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
555 const char *driver = qemu_opt_get(opts, "driver");
556 int i;
558 if (!driver)
559 return 0;
560 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
561 if (strcmp(default_list[i].driver, driver) != 0)
562 continue;
563 *(default_list[i].flag) = 0;
565 return 0;
568 /***********************************************************/
569 /* QEMU state */
571 static RunState current_run_state = RUN_STATE_PRELAUNCH;
573 /* We use RUN_STATE__MAX but any invalid value will do */
574 static RunState vmstop_requested = RUN_STATE__MAX;
575 static QemuMutex vmstop_lock;
577 typedef struct {
578 RunState from;
579 RunState to;
580 } RunStateTransition;
582 static const RunStateTransition runstate_transitions_def[] = {
583 /* from -> to */
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
604 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
605 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
608 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
609 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
613 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
617 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
621 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
622 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
625 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
628 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
629 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
630 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
631 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
633 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
634 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
635 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
636 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
638 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
641 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
644 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
645 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
646 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
647 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
650 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
651 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
655 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
658 { RUN_STATE__MAX, RUN_STATE__MAX },
661 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
663 bool runstate_check(RunState state)
665 return current_run_state == state;
668 bool runstate_store(char *str, size_t size)
670 const char *state = RunState_lookup[current_run_state];
671 size_t len = strlen(state) + 1;
673 if (len > size) {
674 return false;
676 memcpy(str, state, len);
677 return true;
680 static void runstate_init(void)
682 const RunStateTransition *p;
684 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
685 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
686 runstate_valid_transitions[p->from][p->to] = true;
689 qemu_mutex_init(&vmstop_lock);
692 /* This function will abort() on invalid state transitions */
693 void runstate_set(RunState new_state)
695 assert(new_state < RUN_STATE__MAX);
697 if (!runstate_valid_transitions[current_run_state][new_state]) {
698 error_report("invalid runstate transition: '%s' -> '%s'",
699 RunState_lookup[current_run_state],
700 RunState_lookup[new_state]);
701 abort();
703 trace_runstate_set(new_state);
704 current_run_state = new_state;
707 int runstate_is_running(void)
709 return runstate_check(RUN_STATE_RUNNING);
712 bool runstate_needs_reset(void)
714 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
715 runstate_check(RUN_STATE_SHUTDOWN);
718 StatusInfo *qmp_query_status(Error **errp)
720 StatusInfo *info = g_malloc0(sizeof(*info));
722 info->running = runstate_is_running();
723 info->singlestep = singlestep;
724 info->status = current_run_state;
726 return info;
729 static bool qemu_vmstop_requested(RunState *r)
731 qemu_mutex_lock(&vmstop_lock);
732 *r = vmstop_requested;
733 vmstop_requested = RUN_STATE__MAX;
734 qemu_mutex_unlock(&vmstop_lock);
735 return *r < RUN_STATE__MAX;
738 void qemu_system_vmstop_request_prepare(void)
740 qemu_mutex_lock(&vmstop_lock);
743 void qemu_system_vmstop_request(RunState state)
745 vmstop_requested = state;
746 qemu_mutex_unlock(&vmstop_lock);
747 qemu_notify_event();
750 void vm_start(void)
752 RunState requested;
754 qemu_vmstop_requested(&requested);
755 if (runstate_is_running() && requested == RUN_STATE__MAX) {
756 return;
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
762 * the STOP event.
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort);
766 } else {
767 cpu_enable_ticks();
768 runstate_set(RUN_STATE_RUNNING);
769 vm_state_notify(1, RUN_STATE_RUNNING);
770 resume_all_vcpus();
773 qapi_event_send_resume(&error_abort);
777 /***********************************************************/
778 /* real time host monotonic timer */
780 static time_t qemu_time(void)
782 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
785 /***********************************************************/
786 /* host time/date access */
787 void qemu_get_timedate(struct tm *tm, int offset)
789 time_t ti = qemu_time();
791 ti += offset;
792 if (rtc_date_offset == -1) {
793 if (rtc_utc)
794 gmtime_r(&ti, tm);
795 else
796 localtime_r(&ti, tm);
797 } else {
798 ti -= rtc_date_offset;
799 gmtime_r(&ti, tm);
803 int qemu_timedate_diff(struct tm *tm)
805 time_t seconds;
807 if (rtc_date_offset == -1)
808 if (rtc_utc)
809 seconds = mktimegm(tm);
810 else {
811 struct tm tmp = *tm;
812 tmp.tm_isdst = -1; /* use timezone to figure it out */
813 seconds = mktime(&tmp);
815 else
816 seconds = mktimegm(tm) + rtc_date_offset;
818 return seconds - qemu_time();
821 static void configure_rtc_date_offset(const char *startdate, int legacy)
823 time_t rtc_start_date;
824 struct tm tm;
826 if (!strcmp(startdate, "now") && legacy) {
827 rtc_date_offset = -1;
828 } else {
829 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
830 &tm.tm_year,
831 &tm.tm_mon,
832 &tm.tm_mday,
833 &tm.tm_hour,
834 &tm.tm_min,
835 &tm.tm_sec) == 6) {
836 /* OK */
837 } else if (sscanf(startdate, "%d-%d-%d",
838 &tm.tm_year,
839 &tm.tm_mon,
840 &tm.tm_mday) == 3) {
841 tm.tm_hour = 0;
842 tm.tm_min = 0;
843 tm.tm_sec = 0;
844 } else {
845 goto date_fail;
847 tm.tm_year -= 1900;
848 tm.tm_mon--;
849 rtc_start_date = mktimegm(&tm);
850 if (rtc_start_date == -1) {
851 date_fail:
852 error_report("invalid date format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 exit(1);
857 rtc_date_offset = qemu_time() - rtc_start_date;
861 static void configure_rtc(QemuOpts *opts)
863 const char *value;
865 value = qemu_opt_get(opts, "base");
866 if (value) {
867 if (!strcmp(value, "utc")) {
868 rtc_utc = 1;
869 } else if (!strcmp(value, "localtime")) {
870 Error *blocker = NULL;
871 rtc_utc = 0;
872 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
873 "-rtc base=localtime");
874 replay_add_blocker(blocker);
875 } else {
876 configure_rtc_date_offset(value, 0);
879 value = qemu_opt_get(opts, "clock");
880 if (value) {
881 if (!strcmp(value, "host")) {
882 rtc_clock = QEMU_CLOCK_HOST;
883 } else if (!strcmp(value, "rt")) {
884 rtc_clock = QEMU_CLOCK_REALTIME;
885 } else if (!strcmp(value, "vm")) {
886 rtc_clock = QEMU_CLOCK_VIRTUAL;
887 } else {
888 error_report("invalid option value '%s'", value);
889 exit(1);
892 value = qemu_opt_get(opts, "driftfix");
893 if (value) {
894 if (!strcmp(value, "slew")) {
895 static GlobalProperty slew_lost_ticks[] = {
897 .driver = "mc146818rtc",
898 .property = "lost_tick_policy",
899 .value = "slew",
901 { /* end of list */ }
904 qdev_prop_register_global_list(slew_lost_ticks);
905 } else if (!strcmp(value, "none")) {
906 /* discard is default */
907 } else {
908 error_report("invalid option value '%s'", value);
909 exit(1);
914 /***********************************************************/
915 /* Bluetooth support */
916 static int nb_hcis;
917 static int cur_hci;
918 static struct HCIInfo *hci_table[MAX_NICS];
920 struct HCIInfo *qemu_next_hci(void)
922 if (cur_hci == nb_hcis)
923 return &null_hci;
925 return hci_table[cur_hci++];
928 static int bt_hci_parse(const char *str)
930 struct HCIInfo *hci;
931 bdaddr_t bdaddr;
933 if (nb_hcis >= MAX_NICS) {
934 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
935 return -1;
938 hci = hci_init(str);
939 if (!hci)
940 return -1;
942 bdaddr.b[0] = 0x52;
943 bdaddr.b[1] = 0x54;
944 bdaddr.b[2] = 0x00;
945 bdaddr.b[3] = 0x12;
946 bdaddr.b[4] = 0x34;
947 bdaddr.b[5] = 0x56 + nb_hcis;
948 hci->bdaddr_set(hci, bdaddr.b);
950 hci_table[nb_hcis++] = hci;
952 return 0;
955 static void bt_vhci_add(int vlan_id)
957 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
959 if (!vlan->slave)
960 error_report("warning: adding a VHCI to an empty scatternet %i",
961 vlan_id);
963 bt_vhci_init(bt_new_hci(vlan));
966 static struct bt_device_s *bt_device_add(const char *opt)
968 struct bt_scatternet_s *vlan;
969 int vlan_id = 0;
970 char *endp = strstr(opt, ",vlan=");
971 int len = (endp ? endp - opt : strlen(opt)) + 1;
972 char devname[10];
974 pstrcpy(devname, MIN(sizeof(devname), len), opt);
976 if (endp) {
977 vlan_id = strtol(endp + 6, &endp, 0);
978 if (*endp) {
979 error_report("unrecognised bluetooth vlan Id");
980 return 0;
984 vlan = qemu_find_bt_vlan(vlan_id);
986 if (!vlan->slave)
987 error_report("warning: adding a slave device to an empty scatternet %i",
988 vlan_id);
990 if (!strcmp(devname, "keyboard"))
991 return bt_keyboard_init(vlan);
993 error_report("unsupported bluetooth device '%s'", devname);
994 return 0;
997 static int bt_parse(const char *opt)
999 const char *endp, *p;
1000 int vlan;
1002 if (strstart(opt, "hci", &endp)) {
1003 if (!*endp || *endp == ',') {
1004 if (*endp)
1005 if (!strstart(endp, ",vlan=", 0))
1006 opt = endp + 1;
1008 return bt_hci_parse(opt);
1010 } else if (strstart(opt, "vhci", &endp)) {
1011 if (!*endp || *endp == ',') {
1012 if (*endp) {
1013 if (strstart(endp, ",vlan=", &p)) {
1014 vlan = strtol(p, (char **) &endp, 0);
1015 if (*endp) {
1016 error_report("bad scatternet '%s'", p);
1017 return 1;
1019 } else {
1020 error_report("bad parameter '%s'", endp + 1);
1021 return 1;
1023 } else
1024 vlan = 0;
1026 bt_vhci_add(vlan);
1027 return 0;
1029 } else if (strstart(opt, "device:", &endp))
1030 return !bt_device_add(endp);
1032 error_report("bad bluetooth parameter '%s'", opt);
1033 return 1;
1036 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1038 /* FIXME: change this to true for 1.3 */
1039 if (qemu_opt_get_bool(opts, "enable", false)) {
1040 #ifdef CONFIG_SECCOMP
1041 if (seccomp_start() < 0) {
1042 error_report("failed to install seccomp syscall filter "
1043 "in the kernel");
1044 return -1;
1046 #else
1047 error_report("seccomp support is disabled");
1048 return -1;
1049 #endif
1052 return 0;
1055 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1057 const char *proc_name;
1059 if (qemu_opt_get(opts, "debug-threads")) {
1060 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1062 qemu_name = qemu_opt_get(opts, "guest");
1064 proc_name = qemu_opt_get(opts, "process");
1065 if (proc_name) {
1066 os_set_proc_name(proc_name);
1069 return 0;
1072 bool defaults_enabled(void)
1074 return has_defaults;
1077 bool usb_enabled(void)
1079 return machine_usb(current_machine);
1082 #ifndef _WIN32
1083 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 int fd, dupfd, flags;
1086 int64_t fdset_id;
1087 const char *fd_opaque = NULL;
1088 AddfdInfo *fdinfo;
1090 fd = qemu_opt_get_number(opts, "fd", -1);
1091 fdset_id = qemu_opt_get_number(opts, "set", -1);
1092 fd_opaque = qemu_opt_get(opts, "opaque");
1094 if (fd < 0) {
1095 error_report("fd option is required and must be non-negative");
1096 return -1;
1099 if (fd <= STDERR_FILENO) {
1100 error_report("fd cannot be a standard I/O stream");
1101 return -1;
1105 * All fds inherited across exec() necessarily have FD_CLOEXEC
1106 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 flags = fcntl(fd, F_GETFD);
1109 if (flags == -1 || (flags & FD_CLOEXEC)) {
1110 error_report("fd is not valid or already in use");
1111 return -1;
1114 if (fdset_id < 0) {
1115 error_report("set option is required and must be non-negative");
1116 return -1;
1119 #ifdef F_DUPFD_CLOEXEC
1120 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1121 #else
1122 dupfd = dup(fd);
1123 if (dupfd != -1) {
1124 qemu_set_cloexec(dupfd);
1126 #endif
1127 if (dupfd == -1) {
1128 error_report("error duplicating fd: %s", strerror(errno));
1129 return -1;
1132 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1133 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1134 &error_abort);
1135 g_free(fdinfo);
1137 return 0;
1140 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 int fd;
1144 fd = qemu_opt_get_number(opts, "fd", -1);
1145 close(fd);
1147 return 0;
1149 #endif
1151 /***********************************************************/
1152 /* QEMU Block devices */
1154 #define HD_OPTS "media=disk"
1155 #define CDROM_OPTS "media=cdrom"
1156 #define FD_OPTS ""
1157 #define PFLASH_OPTS ""
1158 #define MTD_OPTS ""
1159 #define SD_OPTS ""
1161 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 BlockInterfaceType *block_default_type = opaque;
1165 return drive_new(opts, *block_default_type) == NULL;
1168 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 if (qemu_opt_get(opts, "snapshot") == NULL) {
1171 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 return 0;
1176 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1177 int index, const char *optstr)
1179 QemuOpts *opts;
1180 DriveInfo *dinfo;
1182 if (!enable || drive_get_by_index(type, index)) {
1183 return;
1186 opts = drive_add(type, index, NULL, optstr);
1187 if (snapshot) {
1188 drive_enable_snapshot(NULL, opts, NULL);
1191 dinfo = drive_new(opts, type);
1192 if (!dinfo) {
1193 exit(1);
1195 dinfo->is_default = true;
1199 static QemuOptsList qemu_smp_opts = {
1200 .name = "smp-opts",
1201 .implied_opt_name = "cpus",
1202 .merge_lists = true,
1203 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1204 .desc = {
1206 .name = "cpus",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "sockets",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "cores",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "threads",
1216 .type = QEMU_OPT_NUMBER,
1217 }, {
1218 .name = "maxcpus",
1219 .type = QEMU_OPT_NUMBER,
1221 { /*End of list */ }
1225 static void smp_parse(QemuOpts *opts)
1227 if (opts) {
1229 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1230 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1231 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1232 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1234 /* compute missing values, prefer sockets over cores over threads */
1235 if (cpus == 0 || sockets == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cores = cores > 0 ? cores : 1;
1238 threads = threads > 0 ? threads : 1;
1239 if (cpus == 0) {
1240 cpus = cores * threads * sockets;
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 } else if (threads == 0) {
1246 threads = cpus / (cores * sockets);
1247 } else if (sockets * cores * threads < cpus) {
1248 error_report("cpu topology: "
1249 "sockets (%u) * cores (%u) * threads (%u) < "
1250 "smp_cpus (%u)",
1251 sockets, cores, threads, cpus);
1252 exit(1);
1255 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1256 if (sockets * cores * threads > max_cpus) {
1257 error_report("cpu topology: "
1258 "sockets (%u) * cores (%u) * threads (%u) > "
1259 "maxcpus (%u)",
1260 sockets, cores, threads, max_cpus);
1261 exit(1);
1264 smp_cpus = cpus;
1265 smp_cores = cores > 0 ? cores : 1;
1266 smp_threads = threads > 0 ? threads : 1;
1270 if (max_cpus == 0) {
1271 max_cpus = smp_cpus;
1274 if (max_cpus > MAX_CPUMASK_BITS) {
1275 error_report("unsupported number of maxcpus");
1276 exit(1);
1278 if (max_cpus < smp_cpus) {
1279 error_report("maxcpus must be equal to or greater than smp");
1280 exit(1);
1283 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1284 Error *blocker = NULL;
1285 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1286 replay_add_blocker(blocker);
1290 static void realtime_init(void)
1292 if (enable_mlock) {
1293 if (os_mlock() < 0) {
1294 error_report("locking memory failed");
1295 exit(1);
1301 static void configure_msg(QemuOpts *opts)
1303 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1306 /***********************************************************/
1307 /* Semihosting */
1309 typedef struct SemihostingConfig {
1310 bool enabled;
1311 SemihostingTarget target;
1312 const char **argv;
1313 int argc;
1314 const char *cmdline; /* concatenated argv */
1315 } SemihostingConfig;
1317 static SemihostingConfig semihosting;
1319 bool semihosting_enabled(void)
1321 return semihosting.enabled;
1324 SemihostingTarget semihosting_get_target(void)
1326 return semihosting.target;
1329 const char *semihosting_get_arg(int i)
1331 if (i >= semihosting.argc) {
1332 return NULL;
1334 return semihosting.argv[i];
1337 int semihosting_get_argc(void)
1339 return semihosting.argc;
1342 const char *semihosting_get_cmdline(void)
1344 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1345 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1347 return semihosting.cmdline;
1350 static int add_semihosting_arg(void *opaque,
1351 const char *name, const char *val,
1352 Error **errp)
1354 SemihostingConfig *s = opaque;
1355 if (strcmp(name, "arg") == 0) {
1356 s->argc++;
1357 /* one extra element as g_strjoinv() expects NULL-terminated array */
1358 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1359 s->argv[s->argc - 1] = val;
1360 s->argv[s->argc] = NULL;
1362 return 0;
1365 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1366 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1368 char *cmd_token;
1370 /* argv[0] */
1371 add_semihosting_arg(&semihosting, "arg", file, NULL);
1373 /* split -append and initialize argv[1..n] */
1374 cmd_token = strtok(g_strdup(cmd), " ");
1375 while (cmd_token) {
1376 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1377 cmd_token = strtok(NULL, " ");
1381 /* Now we still need this for compatibility with XEN. */
1382 bool has_igd_gfx_passthru;
1383 static void igd_gfx_passthru(void)
1385 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1388 /***********************************************************/
1389 /* USB devices */
1391 static int usb_device_add(const char *devname)
1393 USBDevice *dev = NULL;
1394 #ifndef CONFIG_LINUX
1395 const char *p;
1396 #endif
1398 if (!usb_enabled()) {
1399 return -1;
1402 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1403 dev = usbdevice_create(devname);
1404 if (dev)
1405 goto done;
1407 /* the other ones */
1408 #ifndef CONFIG_LINUX
1409 /* only the linux version is qdev-ified, usb-bsd still needs this */
1410 if (strstart(devname, "host:", &p)) {
1411 dev = usb_host_device_open(usb_bus_find(-1), p);
1413 #endif
1414 if (!dev)
1415 return -1;
1417 done:
1418 return 0;
1421 static int usb_device_del(const char *devname)
1423 int bus_num, addr;
1424 const char *p;
1426 if (strstart(devname, "host:", &p)) {
1427 return -1;
1430 if (!usb_enabled()) {
1431 return -1;
1434 p = strchr(devname, '.');
1435 if (!p)
1436 return -1;
1437 bus_num = strtoul(devname, NULL, 0);
1438 addr = strtoul(p + 1, NULL, 0);
1440 return usb_device_delete_addr(bus_num, addr);
1443 static int usb_parse(const char *cmdline)
1445 int r;
1446 r = usb_device_add(cmdline);
1447 if (r < 0) {
1448 error_report("could not add USB device '%s'", cmdline);
1450 return r;
1453 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1455 const char *devname = qdict_get_str(qdict, "devname");
1456 if (usb_device_add(devname) < 0) {
1457 error_report("could not add USB device '%s'", devname);
1461 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1463 const char *devname = qdict_get_str(qdict, "devname");
1464 if (usb_device_del(devname) < 0) {
1465 error_report("could not delete USB device '%s'", devname);
1469 /***********************************************************/
1470 /* machine registration */
1472 MachineState *current_machine;
1474 static MachineClass *find_machine(const char *name)
1476 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1477 MachineClass *mc = NULL;
1479 for (el = machines; el; el = el->next) {
1480 MachineClass *temp = el->data;
1482 if (!strcmp(temp->name, name)) {
1483 mc = temp;
1484 break;
1486 if (temp->alias &&
1487 !strcmp(temp->alias, name)) {
1488 mc = temp;
1489 break;
1493 g_slist_free(machines);
1494 return mc;
1497 MachineClass *find_default_machine(void)
1499 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1500 MachineClass *mc = NULL;
1502 for (el = machines; el; el = el->next) {
1503 MachineClass *temp = el->data;
1505 if (temp->is_default) {
1506 mc = temp;
1507 break;
1511 g_slist_free(machines);
1512 return mc;
1515 MachineInfoList *qmp_query_machines(Error **errp)
1517 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1518 MachineInfoList *mach_list = NULL;
1520 for (el = machines; el; el = el->next) {
1521 MachineClass *mc = el->data;
1522 MachineInfoList *entry;
1523 MachineInfo *info;
1525 info = g_malloc0(sizeof(*info));
1526 if (mc->is_default) {
1527 info->has_is_default = true;
1528 info->is_default = true;
1531 if (mc->alias) {
1532 info->has_alias = true;
1533 info->alias = g_strdup(mc->alias);
1536 info->name = g_strdup(mc->name);
1537 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1539 entry = g_malloc0(sizeof(*entry));
1540 entry->value = info;
1541 entry->next = mach_list;
1542 mach_list = entry;
1545 g_slist_free(machines);
1546 return mach_list;
1549 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1551 ObjectProperty *prop;
1552 ObjectPropertyIterator iter;
1554 if (!qemu_opt_has_help_opt(opts)) {
1555 return 0;
1558 object_property_iter_init(&iter, OBJECT(machine));
1559 while ((prop = object_property_iter_next(&iter))) {
1560 if (!prop->set) {
1561 continue;
1564 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1565 prop->name, prop->type);
1566 if (prop->description) {
1567 error_printf(" (%s)\n", prop->description);
1568 } else {
1569 error_printf("\n");
1573 return 1;
1576 /***********************************************************/
1577 /* main execution loop */
1579 struct vm_change_state_entry {
1580 VMChangeStateHandler *cb;
1581 void *opaque;
1582 QLIST_ENTRY (vm_change_state_entry) entries;
1585 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1587 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1588 void *opaque)
1590 VMChangeStateEntry *e;
1592 e = g_malloc0(sizeof (*e));
1594 e->cb = cb;
1595 e->opaque = opaque;
1596 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1597 return e;
1600 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1602 QLIST_REMOVE (e, entries);
1603 g_free (e);
1606 void vm_state_notify(int running, RunState state)
1608 VMChangeStateEntry *e, *next;
1610 trace_vm_state_notify(running, state);
1612 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1613 e->cb(e->opaque, running, state);
1617 /* reset/shutdown handler */
1619 typedef struct QEMUResetEntry {
1620 QTAILQ_ENTRY(QEMUResetEntry) entry;
1621 QEMUResetHandler *func;
1622 void *opaque;
1623 } QEMUResetEntry;
1625 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1626 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1627 static int reset_requested;
1628 static int shutdown_requested, shutdown_signal = -1;
1629 static pid_t shutdown_pid;
1630 static int powerdown_requested;
1631 static int debug_requested;
1632 static int suspend_requested;
1633 static WakeupReason wakeup_reason;
1634 static NotifierList powerdown_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1636 static NotifierList suspend_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1638 static NotifierList wakeup_notifiers =
1639 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1640 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1642 int qemu_shutdown_requested_get(void)
1644 return shutdown_requested;
1647 int qemu_reset_requested_get(void)
1649 return reset_requested;
1652 static int qemu_shutdown_requested(void)
1654 return atomic_xchg(&shutdown_requested, 0);
1657 static void qemu_kill_report(void)
1659 if (!qtest_driver() && shutdown_signal != -1) {
1660 if (shutdown_pid == 0) {
1661 /* This happens for eg ^C at the terminal, so it's worth
1662 * avoiding printing an odd message in that case.
1664 error_report("terminating on signal %d", shutdown_signal);
1665 } else {
1666 error_report("terminating on signal %d from pid " FMT_pid,
1667 shutdown_signal, shutdown_pid);
1669 shutdown_signal = -1;
1673 static int qemu_reset_requested(void)
1675 int r = reset_requested;
1676 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1677 reset_requested = 0;
1678 return r;
1680 return false;
1683 static int qemu_suspend_requested(void)
1685 int r = suspend_requested;
1686 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1687 suspend_requested = 0;
1688 return r;
1690 return false;
1693 static WakeupReason qemu_wakeup_requested(void)
1695 return wakeup_reason;
1698 static int qemu_powerdown_requested(void)
1700 int r = powerdown_requested;
1701 powerdown_requested = 0;
1702 return r;
1705 static int qemu_debug_requested(void)
1707 int r = debug_requested;
1708 debug_requested = 0;
1709 return r;
1712 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1714 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1716 re->func = func;
1717 re->opaque = opaque;
1718 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1721 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1723 QEMUResetEntry *re;
1725 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1726 if (re->func == func && re->opaque == opaque) {
1727 QTAILQ_REMOVE(&reset_handlers, re, entry);
1728 g_free(re);
1729 return;
1734 void qemu_devices_reset(void)
1736 QEMUResetEntry *re, *nre;
1738 /* reset all devices */
1739 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1740 re->func(re->opaque);
1744 void qemu_system_reset(bool report)
1746 MachineClass *mc;
1748 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1750 cpu_synchronize_all_states();
1752 if (mc && mc->reset) {
1753 mc->reset();
1754 } else {
1755 qemu_devices_reset();
1757 if (report) {
1758 qapi_event_send_reset(&error_abort);
1760 cpu_synchronize_all_post_reset();
1763 void qemu_system_guest_panicked(void)
1765 if (current_cpu) {
1766 current_cpu->crash_occurred = true;
1768 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1769 vm_stop(RUN_STATE_GUEST_PANICKED);
1772 void qemu_system_reset_request(void)
1774 if (no_reboot) {
1775 shutdown_requested = 1;
1776 } else {
1777 reset_requested = 1;
1779 cpu_stop_current();
1780 qemu_notify_event();
1783 static void qemu_system_suspend(void)
1785 pause_all_vcpus();
1786 notifier_list_notify(&suspend_notifiers, NULL);
1787 runstate_set(RUN_STATE_SUSPENDED);
1788 qapi_event_send_suspend(&error_abort);
1791 void qemu_system_suspend_request(void)
1793 if (runstate_check(RUN_STATE_SUSPENDED)) {
1794 return;
1796 suspend_requested = 1;
1797 cpu_stop_current();
1798 qemu_notify_event();
1801 void qemu_register_suspend_notifier(Notifier *notifier)
1803 notifier_list_add(&suspend_notifiers, notifier);
1806 void qemu_system_wakeup_request(WakeupReason reason)
1808 trace_system_wakeup_request(reason);
1810 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1811 return;
1813 if (!(wakeup_reason_mask & (1 << reason))) {
1814 return;
1816 runstate_set(RUN_STATE_RUNNING);
1817 wakeup_reason = reason;
1818 qemu_notify_event();
1821 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1823 if (enabled) {
1824 wakeup_reason_mask |= (1 << reason);
1825 } else {
1826 wakeup_reason_mask &= ~(1 << reason);
1830 void qemu_register_wakeup_notifier(Notifier *notifier)
1832 notifier_list_add(&wakeup_notifiers, notifier);
1835 void qemu_system_killed(int signal, pid_t pid)
1837 shutdown_signal = signal;
1838 shutdown_pid = pid;
1839 no_shutdown = 0;
1841 /* Cannot call qemu_system_shutdown_request directly because
1842 * we are in a signal handler.
1844 shutdown_requested = 1;
1845 qemu_notify_event();
1848 void qemu_system_shutdown_request(void)
1850 trace_qemu_system_shutdown_request();
1851 replay_shutdown_request();
1852 shutdown_requested = 1;
1853 qemu_notify_event();
1856 static void qemu_system_powerdown(void)
1858 qapi_event_send_powerdown(&error_abort);
1859 notifier_list_notify(&powerdown_notifiers, NULL);
1862 void qemu_system_powerdown_request(void)
1864 trace_qemu_system_powerdown_request();
1865 powerdown_requested = 1;
1866 qemu_notify_event();
1869 void qemu_register_powerdown_notifier(Notifier *notifier)
1871 notifier_list_add(&powerdown_notifiers, notifier);
1874 void qemu_system_debug_request(void)
1876 debug_requested = 1;
1877 qemu_notify_event();
1880 static bool main_loop_should_exit(void)
1882 RunState r;
1883 if (qemu_debug_requested()) {
1884 vm_stop(RUN_STATE_DEBUG);
1886 if (qemu_suspend_requested()) {
1887 qemu_system_suspend();
1889 if (qemu_shutdown_requested()) {
1890 qemu_kill_report();
1891 qapi_event_send_shutdown(&error_abort);
1892 if (no_shutdown) {
1893 vm_stop(RUN_STATE_SHUTDOWN);
1894 } else {
1895 return true;
1898 if (qemu_reset_requested()) {
1899 pause_all_vcpus();
1900 qemu_system_reset(VMRESET_REPORT);
1901 resume_all_vcpus();
1902 if (!runstate_check(RUN_STATE_RUNNING) &&
1903 !runstate_check(RUN_STATE_INMIGRATE)) {
1904 runstate_set(RUN_STATE_PRELAUNCH);
1907 if (qemu_wakeup_requested()) {
1908 pause_all_vcpus();
1909 qemu_system_reset(VMRESET_SILENT);
1910 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1911 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1912 resume_all_vcpus();
1913 qapi_event_send_wakeup(&error_abort);
1915 if (qemu_powerdown_requested()) {
1916 qemu_system_powerdown();
1918 if (qemu_vmstop_requested(&r)) {
1919 vm_stop(r);
1921 return false;
1924 static void main_loop(void)
1926 bool nonblocking;
1927 int last_io = 0;
1928 #ifdef CONFIG_PROFILER
1929 int64_t ti;
1930 #endif
1931 do {
1932 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1933 #ifdef CONFIG_PROFILER
1934 ti = profile_getclock();
1935 #endif
1936 last_io = main_loop_wait(nonblocking);
1937 #ifdef CONFIG_PROFILER
1938 dev_time += profile_getclock() - ti;
1939 #endif
1940 } while (!main_loop_should_exit());
1943 static void version(void)
1945 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1948 static void help(int exitcode)
1950 version();
1951 printf("usage: %s [options] [disk_image]\n\n"
1952 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1953 error_get_progname());
1955 #define QEMU_OPTIONS_GENERATE_HELP
1956 #include "qemu-options-wrapper.h"
1958 printf("\nDuring emulation, the following keys are useful:\n"
1959 "ctrl-alt-f toggle full screen\n"
1960 "ctrl-alt-n switch to virtual console 'n'\n"
1961 "ctrl-alt toggle mouse and keyboard grab\n"
1962 "\n"
1963 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1965 exit(exitcode);
1968 #define HAS_ARG 0x0001
1970 typedef struct QEMUOption {
1971 const char *name;
1972 int flags;
1973 int index;
1974 uint32_t arch_mask;
1975 } QEMUOption;
1977 static const QEMUOption qemu_options[] = {
1978 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1979 #define QEMU_OPTIONS_GENERATE_OPTIONS
1980 #include "qemu-options-wrapper.h"
1981 { NULL },
1984 typedef struct VGAInterfaceInfo {
1985 const char *opt_name; /* option name */
1986 const char *name; /* human-readable name */
1987 /* Class names indicating that support is available.
1988 * If no class is specified, the interface is always available */
1989 const char *class_names[2];
1990 } VGAInterfaceInfo;
1992 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1993 [VGA_NONE] = {
1994 .opt_name = "none",
1996 [VGA_STD] = {
1997 .opt_name = "std",
1998 .name = "standard VGA",
1999 .class_names = { "VGA", "isa-vga" },
2001 [VGA_CIRRUS] = {
2002 .opt_name = "cirrus",
2003 .name = "Cirrus VGA",
2004 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2006 [VGA_VMWARE] = {
2007 .opt_name = "vmware",
2008 .name = "VMWare SVGA",
2009 .class_names = { "vmware-svga" },
2011 [VGA_VIRTIO] = {
2012 .opt_name = "virtio",
2013 .name = "Virtio VGA",
2014 .class_names = { "virtio-vga" },
2016 [VGA_QXL] = {
2017 .opt_name = "qxl",
2018 .name = "QXL VGA",
2019 .class_names = { "qxl-vga" },
2021 [VGA_TCX] = {
2022 .opt_name = "tcx",
2023 .name = "TCX framebuffer",
2024 .class_names = { "SUNW,tcx" },
2026 [VGA_CG3] = {
2027 .opt_name = "cg3",
2028 .name = "CG3 framebuffer",
2029 .class_names = { "cgthree" },
2031 [VGA_XENFB] = {
2032 .opt_name = "xenfb",
2036 static bool vga_interface_available(VGAInterfaceType t)
2038 VGAInterfaceInfo *ti = &vga_interfaces[t];
2040 assert(t < VGA_TYPE_MAX);
2041 return !ti->class_names[0] ||
2042 object_class_by_name(ti->class_names[0]) ||
2043 object_class_by_name(ti->class_names[1]);
2046 static void select_vgahw(const char *p)
2048 const char *opts;
2049 int t;
2051 assert(vga_interface_type == VGA_NONE);
2052 for (t = 0; t < VGA_TYPE_MAX; t++) {
2053 VGAInterfaceInfo *ti = &vga_interfaces[t];
2054 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2055 if (!vga_interface_available(t)) {
2056 error_report("%s not available", ti->name);
2057 exit(1);
2059 vga_interface_type = t;
2060 break;
2063 if (t == VGA_TYPE_MAX) {
2064 invalid_vga:
2065 error_report("unknown vga type: %s", p);
2066 exit(1);
2068 while (*opts) {
2069 const char *nextopt;
2071 if (strstart(opts, ",retrace=", &nextopt)) {
2072 opts = nextopt;
2073 if (strstart(opts, "dumb", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_DUMB;
2075 else if (strstart(opts, "precise", &nextopt))
2076 vga_retrace_method = VGA_RETRACE_PRECISE;
2077 else goto invalid_vga;
2078 } else goto invalid_vga;
2079 opts = nextopt;
2083 static DisplayType select_display(const char *p)
2085 const char *opts;
2086 DisplayType display = DT_DEFAULT;
2088 if (strstart(p, "sdl", &opts)) {
2089 #ifdef CONFIG_SDL
2090 display = DT_SDL;
2091 while (*opts) {
2092 const char *nextopt;
2094 if (strstart(opts, ",frame=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 no_frame = 0;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 no_frame = 1;
2100 } else {
2101 goto invalid_sdl_args;
2103 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 alt_grab = 1;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 alt_grab = 0;
2109 } else {
2110 goto invalid_sdl_args;
2112 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 ctrl_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 ctrl_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2121 } else if (strstart(opts, ",window_close=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 no_quit = 0;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 no_quit = 1;
2127 } else {
2128 goto invalid_sdl_args;
2130 } else if (strstart(opts, ",gl=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 request_opengl = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 request_opengl = 0;
2136 } else {
2137 goto invalid_sdl_args;
2139 } else {
2140 invalid_sdl_args:
2141 error_report("invalid SDL option string");
2142 exit(1);
2144 opts = nextopt;
2146 #else
2147 error_report("SDL support is disabled");
2148 exit(1);
2149 #endif
2150 } else if (strstart(p, "vnc", &opts)) {
2151 if (*opts == '=') {
2152 Error *err = NULL;
2153 if (vnc_parse(opts + 1, &err) == NULL) {
2154 error_report_err(err);
2155 exit(1);
2157 } else {
2158 error_report("VNC requires a display argument vnc=<display>");
2159 exit(1);
2161 } else if (strstart(p, "curses", &opts)) {
2162 #ifdef CONFIG_CURSES
2163 display = DT_CURSES;
2164 #else
2165 error_report("curses support is disabled");
2166 exit(1);
2167 #endif
2168 } else if (strstart(p, "gtk", &opts)) {
2169 #ifdef CONFIG_GTK
2170 display = DT_GTK;
2171 while (*opts) {
2172 const char *nextopt;
2174 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2175 opts = nextopt;
2176 if (strstart(opts, "on", &nextopt)) {
2177 grab_on_hover = true;
2178 } else if (strstart(opts, "off", &nextopt)) {
2179 grab_on_hover = false;
2180 } else {
2181 goto invalid_gtk_args;
2183 } else if (strstart(opts, ",gl=", &nextopt)) {
2184 opts = nextopt;
2185 if (strstart(opts, "on", &nextopt)) {
2186 request_opengl = 1;
2187 } else if (strstart(opts, "off", &nextopt)) {
2188 request_opengl = 0;
2189 } else {
2190 goto invalid_gtk_args;
2192 } else {
2193 invalid_gtk_args:
2194 error_report("invalid GTK option string");
2195 exit(1);
2197 opts = nextopt;
2199 #else
2200 error_report("GTK support is disabled");
2201 exit(1);
2202 #endif
2203 } else if (strstart(p, "none", &opts)) {
2204 display = DT_NONE;
2205 } else {
2206 error_report("unknown display type");
2207 exit(1);
2210 return display;
2213 static int balloon_parse(const char *arg)
2215 QemuOpts *opts;
2217 if (strcmp(arg, "none") == 0) {
2218 return 0;
2221 if (!strncmp(arg, "virtio", 6)) {
2222 if (arg[6] == ',') {
2223 /* have params -> parse them */
2224 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2225 false);
2226 if (!opts)
2227 return -1;
2228 } else {
2229 /* create empty opts */
2230 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2231 &error_abort);
2233 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2234 return 0;
2237 return -1;
2240 char *qemu_find_file(int type, const char *name)
2242 int i;
2243 const char *subdir;
2244 char *buf;
2246 /* Try the name as a straight path first */
2247 if (access(name, R_OK) == 0) {
2248 trace_load_file(name, name);
2249 return g_strdup(name);
2252 switch (type) {
2253 case QEMU_FILE_TYPE_BIOS:
2254 subdir = "";
2255 break;
2256 case QEMU_FILE_TYPE_KEYMAP:
2257 subdir = "keymaps/";
2258 break;
2259 default:
2260 abort();
2263 for (i = 0; i < data_dir_idx; i++) {
2264 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2265 if (access(buf, R_OK) == 0) {
2266 trace_load_file(name, buf);
2267 return buf;
2269 g_free(buf);
2271 return NULL;
2274 static inline bool nonempty_str(const char *str)
2276 return str && *str;
2279 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2281 gchar *buf;
2282 size_t size;
2283 const char *name, *file, *str;
2284 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2286 if (fw_cfg == NULL) {
2287 error_report("fw_cfg device not available");
2288 return -1;
2290 name = qemu_opt_get(opts, "name");
2291 file = qemu_opt_get(opts, "file");
2292 str = qemu_opt_get(opts, "string");
2294 /* we need name and either a file or the content string */
2295 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2296 error_report("invalid argument(s)");
2297 return -1;
2299 if (nonempty_str(file) && nonempty_str(str)) {
2300 error_report("file and string are mutually exclusive");
2301 return -1;
2303 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2304 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2305 return -1;
2307 if (strncmp(name, "opt/", 4) != 0) {
2308 error_report("warning: externally provided fw_cfg item names "
2309 "should be prefixed with \"opt/\"");
2311 if (nonempty_str(str)) {
2312 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2313 buf = g_memdup(str, size);
2314 } else {
2315 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2316 error_report("can't load %s", file);
2317 return -1;
2320 /* For legacy, keep user files in a specific global order. */
2321 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2322 fw_cfg_add_file(fw_cfg, name, buf, size);
2323 fw_cfg_reset_order_override(fw_cfg);
2324 return 0;
2327 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2329 return qdev_device_help(opts);
2332 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2334 Error *err = NULL;
2335 DeviceState *dev;
2337 dev = qdev_device_add(opts, &err);
2338 if (!dev) {
2339 error_report_err(err);
2340 return -1;
2342 object_unref(OBJECT(dev));
2343 return 0;
2346 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2348 Error *local_err = NULL;
2350 qemu_chr_new_from_opts(opts, NULL, &local_err);
2351 if (local_err) {
2352 error_report_err(local_err);
2353 return -1;
2355 return 0;
2358 #ifdef CONFIG_VIRTFS
2359 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2361 int ret;
2362 ret = qemu_fsdev_add(opts);
2364 return ret;
2366 #endif
2368 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 CharDriverState *chr;
2371 const char *chardev;
2372 const char *mode;
2373 int flags;
2375 mode = qemu_opt_get(opts, "mode");
2376 if (mode == NULL) {
2377 mode = "readline";
2379 if (strcmp(mode, "readline") == 0) {
2380 flags = MONITOR_USE_READLINE;
2381 } else if (strcmp(mode, "control") == 0) {
2382 flags = MONITOR_USE_CONTROL;
2383 } else {
2384 error_report("unknown monitor mode \"%s\"", mode);
2385 exit(1);
2388 if (qemu_opt_get_bool(opts, "pretty", 0))
2389 flags |= MONITOR_USE_PRETTY;
2391 if (qemu_opt_get_bool(opts, "default", 0))
2392 flags |= MONITOR_IS_DEFAULT;
2394 chardev = qemu_opt_get(opts, "chardev");
2395 chr = qemu_chr_find(chardev);
2396 if (chr == NULL) {
2397 error_report("chardev \"%s\" not found", chardev);
2398 exit(1);
2401 qemu_chr_fe_claim_no_fail(chr);
2402 monitor_init(chr, flags);
2403 return 0;
2406 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2408 static int monitor_device_index = 0;
2409 Error *local_err = NULL;
2410 QemuOpts *opts;
2411 const char *p;
2412 char label[32];
2413 int def = 0;
2415 if (strstart(optarg, "chardev:", &p)) {
2416 snprintf(label, sizeof(label), "%s", p);
2417 } else {
2418 snprintf(label, sizeof(label), "compat_monitor%d",
2419 monitor_device_index);
2420 if (monitor_device_index == 0) {
2421 def = 1;
2423 opts = qemu_chr_parse_compat(label, optarg);
2424 if (!opts) {
2425 error_report("parse error: %s", optarg);
2426 exit(1);
2430 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2431 if (!opts) {
2432 error_report_err(local_err);
2433 exit(1);
2435 qemu_opt_set(opts, "mode", mode, &error_abort);
2436 qemu_opt_set(opts, "chardev", label, &error_abort);
2437 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2438 if (def)
2439 qemu_opt_set(opts, "default", "on", &error_abort);
2440 monitor_device_index++;
2443 struct device_config {
2444 enum {
2445 DEV_USB, /* -usbdevice */
2446 DEV_BT, /* -bt */
2447 DEV_SERIAL, /* -serial */
2448 DEV_PARALLEL, /* -parallel */
2449 DEV_VIRTCON, /* -virtioconsole */
2450 DEV_DEBUGCON, /* -debugcon */
2451 DEV_GDB, /* -gdb, -s */
2452 DEV_SCLP, /* s390 sclp */
2453 } type;
2454 const char *cmdline;
2455 Location loc;
2456 QTAILQ_ENTRY(device_config) next;
2459 static QTAILQ_HEAD(, device_config) device_configs =
2460 QTAILQ_HEAD_INITIALIZER(device_configs);
2462 static void add_device_config(int type, const char *cmdline)
2464 struct device_config *conf;
2466 conf = g_malloc0(sizeof(*conf));
2467 conf->type = type;
2468 conf->cmdline = cmdline;
2469 loc_save(&conf->loc);
2470 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2473 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2475 struct device_config *conf;
2476 int rc;
2478 QTAILQ_FOREACH(conf, &device_configs, next) {
2479 if (conf->type != type)
2480 continue;
2481 loc_push_restore(&conf->loc);
2482 rc = func(conf->cmdline);
2483 loc_pop(&conf->loc);
2484 if (rc) {
2485 return rc;
2488 return 0;
2491 static int serial_parse(const char *devname)
2493 static int index = 0;
2494 char label[32];
2496 if (strcmp(devname, "none") == 0)
2497 return 0;
2498 if (index == MAX_SERIAL_PORTS) {
2499 error_report("too many serial ports");
2500 exit(1);
2502 snprintf(label, sizeof(label), "serial%d", index);
2503 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2504 if (!serial_hds[index]) {
2505 error_report("could not connect serial device"
2506 " to character backend '%s'", devname);
2507 return -1;
2509 index++;
2510 return 0;
2513 static int parallel_parse(const char *devname)
2515 static int index = 0;
2516 char label[32];
2518 if (strcmp(devname, "none") == 0)
2519 return 0;
2520 if (index == MAX_PARALLEL_PORTS) {
2521 error_report("too many parallel ports");
2522 exit(1);
2524 snprintf(label, sizeof(label), "parallel%d", index);
2525 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2526 if (!parallel_hds[index]) {
2527 error_report("could not connect parallel device"
2528 " to character backend '%s'", devname);
2529 return -1;
2531 index++;
2532 return 0;
2535 static int virtcon_parse(const char *devname)
2537 QemuOptsList *device = qemu_find_opts("device");
2538 static int index = 0;
2539 char label[32];
2540 QemuOpts *bus_opts, *dev_opts;
2542 if (strcmp(devname, "none") == 0)
2543 return 0;
2544 if (index == MAX_VIRTIO_CONSOLES) {
2545 error_report("too many virtio consoles");
2546 exit(1);
2549 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2550 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2552 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2553 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2555 snprintf(label, sizeof(label), "virtcon%d", index);
2556 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2557 if (!virtcon_hds[index]) {
2558 error_report("could not connect virtio console"
2559 " to character backend '%s'", devname);
2560 return -1;
2562 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2564 index++;
2565 return 0;
2568 static int sclp_parse(const char *devname)
2570 QemuOptsList *device = qemu_find_opts("device");
2571 static int index = 0;
2572 char label[32];
2573 QemuOpts *dev_opts;
2575 if (strcmp(devname, "none") == 0) {
2576 return 0;
2578 if (index == MAX_SCLP_CONSOLES) {
2579 error_report("too many sclp consoles");
2580 exit(1);
2583 assert(arch_type == QEMU_ARCH_S390X);
2585 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2586 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2588 snprintf(label, sizeof(label), "sclpcon%d", index);
2589 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2590 if (!sclp_hds[index]) {
2591 error_report("could not connect sclp console"
2592 " to character backend '%s'", devname);
2593 return -1;
2595 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2597 index++;
2598 return 0;
2601 static int debugcon_parse(const char *devname)
2603 QemuOpts *opts;
2605 if (!qemu_chr_new("debugcon", devname, NULL)) {
2606 exit(1);
2608 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2609 if (!opts) {
2610 error_report("already have a debugcon device");
2611 exit(1);
2613 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2614 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2615 return 0;
2618 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2620 const MachineClass *mc1 = a, *mc2 = b;
2621 int res;
2623 if (mc1->family == NULL) {
2624 if (mc2->family == NULL) {
2625 /* Compare standalone machine types against each other; they sort
2626 * in increasing order.
2628 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2629 object_class_get_name(OBJECT_CLASS(mc2)));
2632 /* Standalone machine types sort after families. */
2633 return 1;
2636 if (mc2->family == NULL) {
2637 /* Families sort before standalone machine types. */
2638 return -1;
2641 /* Families sort between each other alphabetically increasingly. */
2642 res = strcmp(mc1->family, mc2->family);
2643 if (res != 0) {
2644 return res;
2647 /* Within the same family, machine types sort in decreasing order. */
2648 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2649 object_class_get_name(OBJECT_CLASS(mc1)));
2652 static MachineClass *machine_parse(const char *name)
2654 MachineClass *mc = NULL;
2655 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2657 if (name) {
2658 mc = find_machine(name);
2660 if (mc) {
2661 g_slist_free(machines);
2662 return mc;
2664 if (name && !is_help_option(name)) {
2665 error_report("unsupported machine type");
2666 error_printf("Use -machine help to list supported machines\n");
2667 } else {
2668 printf("Supported machines are:\n");
2669 machines = g_slist_sort(machines, machine_class_cmp);
2670 for (el = machines; el; el = el->next) {
2671 MachineClass *mc = el->data;
2672 if (mc->alias) {
2673 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2675 printf("%-20s %s%s\n", mc->name, mc->desc,
2676 mc->is_default ? " (default)" : "");
2680 g_slist_free(machines);
2681 exit(!name || !is_help_option(name));
2684 void qemu_add_exit_notifier(Notifier *notify)
2686 notifier_list_add(&exit_notifiers, notify);
2689 void qemu_remove_exit_notifier(Notifier *notify)
2691 notifier_remove(notify);
2694 static void qemu_run_exit_notifiers(void)
2696 notifier_list_notify(&exit_notifiers, NULL);
2699 static bool machine_init_done;
2701 void qemu_add_machine_init_done_notifier(Notifier *notify)
2703 notifier_list_add(&machine_init_done_notifiers, notify);
2704 if (machine_init_done) {
2705 notify->notify(notify, NULL);
2709 static void qemu_run_machine_init_done_notifiers(void)
2711 notifier_list_notify(&machine_init_done_notifiers, NULL);
2712 machine_init_done = true;
2715 static const QEMUOption *lookup_opt(int argc, char **argv,
2716 const char **poptarg, int *poptind)
2718 const QEMUOption *popt;
2719 int optind = *poptind;
2720 char *r = argv[optind];
2721 const char *optarg;
2723 loc_set_cmdline(argv, optind, 1);
2724 optind++;
2725 /* Treat --foo the same as -foo. */
2726 if (r[1] == '-')
2727 r++;
2728 popt = qemu_options;
2729 for(;;) {
2730 if (!popt->name) {
2731 error_report("invalid option");
2732 exit(1);
2734 if (!strcmp(popt->name, r + 1))
2735 break;
2736 popt++;
2738 if (popt->flags & HAS_ARG) {
2739 if (optind >= argc) {
2740 error_report("requires an argument");
2741 exit(1);
2743 optarg = argv[optind++];
2744 loc_set_cmdline(argv, optind - 2, 2);
2745 } else {
2746 optarg = NULL;
2749 *poptarg = optarg;
2750 *poptind = optind;
2752 return popt;
2755 static MachineClass *select_machine(void)
2757 MachineClass *machine_class = find_default_machine();
2758 const char *optarg;
2759 QemuOpts *opts;
2760 Location loc;
2762 loc_push_none(&loc);
2764 opts = qemu_get_machine_opts();
2765 qemu_opts_loc_restore(opts);
2767 optarg = qemu_opt_get(opts, "type");
2768 if (optarg) {
2769 machine_class = machine_parse(optarg);
2772 if (!machine_class) {
2773 error_report("No machine specified, and there is no default");
2774 error_printf("Use -machine help to list supported machines\n");
2775 exit(1);
2778 loc_pop(&loc);
2779 return machine_class;
2782 static int machine_set_property(void *opaque,
2783 const char *name, const char *value,
2784 Error **errp)
2786 Object *obj = OBJECT(opaque);
2787 Error *local_err = NULL;
2788 char *c, *qom_name;
2790 if (strcmp(name, "type") == 0) {
2791 return 0;
2794 qom_name = g_strdup(name);
2795 c = qom_name;
2796 while (*c++) {
2797 if (*c == '_') {
2798 *c = '-';
2802 object_property_parse(obj, value, qom_name, &local_err);
2803 g_free(qom_name);
2805 if (local_err) {
2806 error_report_err(local_err);
2807 return -1;
2810 return 0;
2815 * Initial object creation happens before all other
2816 * QEMU data types are created. The majority of objects
2817 * can be created at this point. The rng-egd object
2818 * cannot be created here, as it depends on the chardev
2819 * already existing.
2821 static bool object_create_initial(const char *type)
2823 if (g_str_equal(type, "rng-egd")) {
2824 return false;
2828 * return false for concrete netfilters since
2829 * they depend on netdevs already existing
2831 if (g_str_equal(type, "filter-buffer") ||
2832 g_str_equal(type, "filter-dump") ||
2833 g_str_equal(type, "filter-mirror") ||
2834 g_str_equal(type, "filter-redirector")) {
2835 return false;
2838 return true;
2843 * The remainder of object creation happens after the
2844 * creation of chardev, fsdev, net clients and device data types.
2846 static bool object_create_delayed(const char *type)
2848 return !object_create_initial(type);
2852 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2853 MachineClass *mc)
2855 uint64_t sz;
2856 const char *mem_str;
2857 const char *maxmem_str, *slots_str;
2858 const ram_addr_t default_ram_size = mc->default_ram_size;
2859 QemuOpts *opts = qemu_find_opts_singleton("memory");
2860 Location loc;
2862 loc_push_none(&loc);
2863 qemu_opts_loc_restore(opts);
2865 sz = 0;
2866 mem_str = qemu_opt_get(opts, "size");
2867 if (mem_str) {
2868 if (!*mem_str) {
2869 error_report("missing 'size' option value");
2870 exit(EXIT_FAILURE);
2873 sz = qemu_opt_get_size(opts, "size", ram_size);
2875 /* Fix up legacy suffix-less format */
2876 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2877 uint64_t overflow_check = sz;
2879 sz <<= 20;
2880 if ((sz >> 20) != overflow_check) {
2881 error_report("too large 'size' option value");
2882 exit(EXIT_FAILURE);
2887 /* backward compatibility behaviour for case "-m 0" */
2888 if (sz == 0) {
2889 sz = default_ram_size;
2892 sz = QEMU_ALIGN_UP(sz, 8192);
2893 ram_size = sz;
2894 if (ram_size != sz) {
2895 error_report("ram size too large");
2896 exit(EXIT_FAILURE);
2899 /* store value for the future use */
2900 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2901 *maxram_size = ram_size;
2903 maxmem_str = qemu_opt_get(opts, "maxmem");
2904 slots_str = qemu_opt_get(opts, "slots");
2905 if (maxmem_str && slots_str) {
2906 uint64_t slots;
2908 sz = qemu_opt_get_size(opts, "maxmem", 0);
2909 slots = qemu_opt_get_number(opts, "slots", 0);
2910 if (sz < ram_size) {
2911 error_report("invalid value of -m option maxmem: "
2912 "maximum memory size (0x%" PRIx64 ") must be at least "
2913 "the initial memory size (0x" RAM_ADDR_FMT ")",
2914 sz, ram_size);
2915 exit(EXIT_FAILURE);
2916 } else if (sz > ram_size) {
2917 if (!slots) {
2918 error_report("invalid value of -m option: maxmem was "
2919 "specified, but no hotplug slots were specified");
2920 exit(EXIT_FAILURE);
2922 } else if (slots) {
2923 error_report("invalid value of -m option maxmem: "
2924 "memory slots were specified but maximum memory size "
2925 "(0x%" PRIx64 ") is equal to the initial memory size "
2926 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2927 exit(EXIT_FAILURE);
2930 *maxram_size = sz;
2931 *ram_slots = slots;
2932 } else if ((!maxmem_str && slots_str) ||
2933 (maxmem_str && !slots_str)) {
2934 error_report("invalid -m option value: missing "
2935 "'%s' option", slots_str ? "maxmem" : "slots");
2936 exit(EXIT_FAILURE);
2939 loc_pop(&loc);
2942 int main(int argc, char **argv, char **envp)
2944 int i;
2945 int snapshot, linux_boot;
2946 const char *initrd_filename;
2947 const char *kernel_filename, *kernel_cmdline;
2948 const char *boot_order = NULL;
2949 const char *boot_once = NULL;
2950 DisplayState *ds;
2951 int cyls, heads, secs, translation;
2952 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2953 QemuOptsList *olist;
2954 int optind;
2955 const char *optarg;
2956 const char *loadvm = NULL;
2957 MachineClass *machine_class;
2958 const char *cpu_model;
2959 const char *vga_model = NULL;
2960 const char *qtest_chrdev = NULL;
2961 const char *qtest_log = NULL;
2962 const char *pid_file = NULL;
2963 const char *incoming = NULL;
2964 int show_vnc_port = 0;
2965 bool defconfig = true;
2966 bool userconfig = true;
2967 const char *log_mask = NULL;
2968 const char *log_file = NULL;
2969 char *trace_file = NULL;
2970 ram_addr_t maxram_size;
2971 uint64_t ram_slots = 0;
2972 FILE *vmstate_dump_file = NULL;
2973 Error *main_loop_err = NULL;
2974 Error *err = NULL;
2976 qemu_init_cpu_loop();
2977 qemu_mutex_lock_iothread();
2979 atexit(qemu_run_exit_notifiers);
2980 error_set_progname(argv[0]);
2981 qemu_init_exec_dir(argv[0]);
2983 module_call_init(MODULE_INIT_QOM);
2985 qemu_add_opts(&qemu_drive_opts);
2986 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2987 qemu_add_drive_opts(&qemu_common_drive_opts);
2988 qemu_add_drive_opts(&qemu_drive_opts);
2989 qemu_add_opts(&qemu_chardev_opts);
2990 qemu_add_opts(&qemu_device_opts);
2991 qemu_add_opts(&qemu_netdev_opts);
2992 qemu_add_opts(&qemu_net_opts);
2993 qemu_add_opts(&qemu_rtc_opts);
2994 qemu_add_opts(&qemu_global_opts);
2995 qemu_add_opts(&qemu_mon_opts);
2996 qemu_add_opts(&qemu_trace_opts);
2997 qemu_add_opts(&qemu_option_rom_opts);
2998 qemu_add_opts(&qemu_machine_opts);
2999 qemu_add_opts(&qemu_mem_opts);
3000 qemu_add_opts(&qemu_smp_opts);
3001 qemu_add_opts(&qemu_boot_opts);
3002 qemu_add_opts(&qemu_sandbox_opts);
3003 qemu_add_opts(&qemu_add_fd_opts);
3004 qemu_add_opts(&qemu_object_opts);
3005 qemu_add_opts(&qemu_tpmdev_opts);
3006 qemu_add_opts(&qemu_realtime_opts);
3007 qemu_add_opts(&qemu_msg_opts);
3008 qemu_add_opts(&qemu_name_opts);
3009 qemu_add_opts(&qemu_numa_opts);
3010 qemu_add_opts(&qemu_icount_opts);
3011 qemu_add_opts(&qemu_semihosting_config_opts);
3012 qemu_add_opts(&qemu_fw_cfg_opts);
3013 module_call_init(MODULE_INIT_OPTS);
3015 runstate_init();
3017 if (qcrypto_init(&err) < 0) {
3018 error_reportf_err(err, "cannot initialize crypto: ");
3019 exit(1);
3021 rtc_clock = QEMU_CLOCK_HOST;
3023 QLIST_INIT (&vm_change_state_head);
3024 os_setup_early_signal_handling();
3026 cpu_model = NULL;
3027 snapshot = 0;
3028 cyls = heads = secs = 0;
3029 translation = BIOS_ATA_TRANSLATION_AUTO;
3031 nb_nics = 0;
3033 bdrv_init_with_whitelist();
3035 autostart = 1;
3037 /* first pass of option parsing */
3038 optind = 1;
3039 while (optind < argc) {
3040 if (argv[optind][0] != '-') {
3041 /* disk image */
3042 optind++;
3043 } else {
3044 const QEMUOption *popt;
3046 popt = lookup_opt(argc, argv, &optarg, &optind);
3047 switch (popt->index) {
3048 case QEMU_OPTION_nodefconfig:
3049 defconfig = false;
3050 break;
3051 case QEMU_OPTION_nouserconfig:
3052 userconfig = false;
3053 break;
3058 if (defconfig) {
3059 int ret;
3060 ret = qemu_read_default_config_files(userconfig);
3061 if (ret < 0) {
3062 exit(1);
3066 /* second pass of option parsing */
3067 optind = 1;
3068 for(;;) {
3069 if (optind >= argc)
3070 break;
3071 if (argv[optind][0] != '-') {
3072 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 } else {
3074 const QEMUOption *popt;
3076 popt = lookup_opt(argc, argv, &optarg, &optind);
3077 if (!(popt->arch_mask & arch_type)) {
3078 printf("Option %s not supported for this target\n", popt->name);
3079 exit(1);
3081 switch(popt->index) {
3082 case QEMU_OPTION_no_kvm_irqchip: {
3083 olist = qemu_find_opts("machine");
3084 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3085 break;
3087 case QEMU_OPTION_cpu:
3088 /* hw initialization will check this */
3089 cpu_model = optarg;
3090 break;
3091 case QEMU_OPTION_hda:
3093 char buf[256];
3094 if (cyls == 0)
3095 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3096 else
3097 snprintf(buf, sizeof(buf),
3098 "%s,cyls=%d,heads=%d,secs=%d%s",
3099 HD_OPTS , cyls, heads, secs,
3100 translation == BIOS_ATA_TRANSLATION_LBA ?
3101 ",trans=lba" :
3102 translation == BIOS_ATA_TRANSLATION_NONE ?
3103 ",trans=none" : "");
3104 drive_add(IF_DEFAULT, 0, optarg, buf);
3105 break;
3107 case QEMU_OPTION_hdb:
3108 case QEMU_OPTION_hdc:
3109 case QEMU_OPTION_hdd:
3110 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3111 HD_OPTS);
3112 break;
3113 case QEMU_OPTION_drive:
3114 if (drive_def(optarg) == NULL) {
3115 exit(1);
3117 break;
3118 case QEMU_OPTION_set:
3119 if (qemu_set_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_global:
3123 if (qemu_global_option(optarg) != 0)
3124 exit(1);
3125 break;
3126 case QEMU_OPTION_mtdblock:
3127 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3128 break;
3129 case QEMU_OPTION_sd:
3130 drive_add(IF_SD, -1, optarg, SD_OPTS);
3131 break;
3132 case QEMU_OPTION_pflash:
3133 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3134 break;
3135 case QEMU_OPTION_snapshot:
3136 snapshot = 1;
3137 break;
3138 case QEMU_OPTION_hdachs:
3140 const char *p;
3141 p = optarg;
3142 cyls = strtol(p, (char **)&p, 0);
3143 if (cyls < 1 || cyls > 16383)
3144 goto chs_fail;
3145 if (*p != ',')
3146 goto chs_fail;
3147 p++;
3148 heads = strtol(p, (char **)&p, 0);
3149 if (heads < 1 || heads > 16)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 secs = strtol(p, (char **)&p, 0);
3155 if (secs < 1 || secs > 63)
3156 goto chs_fail;
3157 if (*p == ',') {
3158 p++;
3159 if (!strcmp(p, "large")) {
3160 translation = BIOS_ATA_TRANSLATION_LARGE;
3161 } else if (!strcmp(p, "rechs")) {
3162 translation = BIOS_ATA_TRANSLATION_RECHS;
3163 } else if (!strcmp(p, "none")) {
3164 translation = BIOS_ATA_TRANSLATION_NONE;
3165 } else if (!strcmp(p, "lba")) {
3166 translation = BIOS_ATA_TRANSLATION_LBA;
3167 } else if (!strcmp(p, "auto")) {
3168 translation = BIOS_ATA_TRANSLATION_AUTO;
3169 } else {
3170 goto chs_fail;
3172 } else if (*p != '\0') {
3173 chs_fail:
3174 error_report("invalid physical CHS format");
3175 exit(1);
3177 if (hda_opts != NULL) {
3178 qemu_opt_set_number(hda_opts, "cyls", cyls,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "heads", heads,
3181 &error_abort);
3182 qemu_opt_set_number(hda_opts, "secs", secs,
3183 &error_abort);
3184 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3185 qemu_opt_set(hda_opts, "trans", "large",
3186 &error_abort);
3187 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3188 qemu_opt_set(hda_opts, "trans", "rechs",
3189 &error_abort);
3190 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3191 qemu_opt_set(hda_opts, "trans", "lba",
3192 &error_abort);
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none",
3195 &error_abort);
3199 break;
3200 case QEMU_OPTION_numa:
3201 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3202 optarg, true);
3203 if (!opts) {
3204 exit(1);
3206 break;
3207 case QEMU_OPTION_display:
3208 display_type = select_display(optarg);
3209 break;
3210 case QEMU_OPTION_nographic:
3211 display_type = DT_NOGRAPHIC;
3212 break;
3213 case QEMU_OPTION_curses:
3214 #ifdef CONFIG_CURSES
3215 display_type = DT_CURSES;
3216 #else
3217 error_report("curses support is disabled");
3218 exit(1);
3219 #endif
3220 break;
3221 case QEMU_OPTION_portrait:
3222 graphic_rotate = 90;
3223 break;
3224 case QEMU_OPTION_rotate:
3225 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3226 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3227 graphic_rotate != 180 && graphic_rotate != 270) {
3228 error_report("only 90, 180, 270 deg rotation is available");
3229 exit(1);
3231 break;
3232 case QEMU_OPTION_kernel:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_initrd:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_append:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_dtb:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_cdrom:
3249 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3250 break;
3251 case QEMU_OPTION_boot:
3252 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3253 optarg, true);
3254 if (!opts) {
3255 exit(1);
3257 break;
3258 case QEMU_OPTION_fda:
3259 case QEMU_OPTION_fdb:
3260 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3261 optarg, FD_OPTS);
3262 break;
3263 case QEMU_OPTION_no_fd_bootchk:
3264 fd_bootchk = 0;
3265 break;
3266 case QEMU_OPTION_netdev:
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 exit(1);
3270 break;
3271 case QEMU_OPTION_net:
3272 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3273 exit(1);
3275 break;
3276 #ifdef CONFIG_LIBISCSI
3277 case QEMU_OPTION_iscsi:
3278 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3279 optarg, false);
3280 if (!opts) {
3281 exit(1);
3283 break;
3284 #endif
3285 #ifdef CONFIG_SLIRP
3286 case QEMU_OPTION_tftp:
3287 error_report("The -tftp option is deprecated. "
3288 "Please use '-netdev user,tftp=...' instead.");
3289 legacy_tftp_prefix = optarg;
3290 break;
3291 case QEMU_OPTION_bootp:
3292 error_report("The -bootp option is deprecated. "
3293 "Please use '-netdev user,bootfile=...' instead.");
3294 legacy_bootp_filename = optarg;
3295 break;
3296 case QEMU_OPTION_redir:
3297 error_report("The -redir option is deprecated. "
3298 "Please use '-netdev user,hostfwd=...' instead.");
3299 if (net_slirp_redir(optarg) < 0)
3300 exit(1);
3301 break;
3302 #endif
3303 case QEMU_OPTION_bt:
3304 add_device_config(DEV_BT, optarg);
3305 break;
3306 case QEMU_OPTION_audio_help:
3307 AUD_help ();
3308 exit (0);
3309 break;
3310 case QEMU_OPTION_soundhw:
3311 select_soundhw (optarg);
3312 break;
3313 case QEMU_OPTION_h:
3314 help(0);
3315 break;
3316 case QEMU_OPTION_version:
3317 version();
3318 exit(0);
3319 break;
3320 case QEMU_OPTION_m:
3321 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3322 optarg, true);
3323 if (!opts) {
3324 exit(EXIT_FAILURE);
3326 break;
3327 #ifdef CONFIG_TPM
3328 case QEMU_OPTION_tpmdev:
3329 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3330 exit(1);
3332 break;
3333 #endif
3334 case QEMU_OPTION_mempath:
3335 mem_path = optarg;
3336 break;
3337 case QEMU_OPTION_mem_prealloc:
3338 mem_prealloc = 1;
3339 break;
3340 case QEMU_OPTION_d:
3341 log_mask = optarg;
3342 break;
3343 case QEMU_OPTION_D:
3344 log_file = optarg;
3345 break;
3346 case QEMU_OPTION_DFILTER:
3347 qemu_set_dfilter_ranges(optarg);
3348 break;
3349 case QEMU_OPTION_s:
3350 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3351 break;
3352 case QEMU_OPTION_gdb:
3353 add_device_config(DEV_GDB, optarg);
3354 break;
3355 case QEMU_OPTION_L:
3356 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3357 data_dir[data_dir_idx++] = optarg;
3359 break;
3360 case QEMU_OPTION_bios:
3361 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3362 &error_abort);
3363 break;
3364 case QEMU_OPTION_singlestep:
3365 singlestep = 1;
3366 break;
3367 case QEMU_OPTION_S:
3368 autostart = 0;
3369 break;
3370 case QEMU_OPTION_k:
3371 keyboard_layout = optarg;
3372 break;
3373 case QEMU_OPTION_localtime:
3374 rtc_utc = 0;
3375 break;
3376 case QEMU_OPTION_vga:
3377 vga_model = optarg;
3378 default_vga = 0;
3379 break;
3380 case QEMU_OPTION_g:
3382 const char *p;
3383 int w, h, depth;
3384 p = optarg;
3385 w = strtol(p, (char **)&p, 10);
3386 if (w <= 0) {
3387 graphic_error:
3388 error_report("invalid resolution or depth");
3389 exit(1);
3391 if (*p != 'x')
3392 goto graphic_error;
3393 p++;
3394 h = strtol(p, (char **)&p, 10);
3395 if (h <= 0)
3396 goto graphic_error;
3397 if (*p == 'x') {
3398 p++;
3399 depth = strtol(p, (char **)&p, 10);
3400 if (depth != 8 && depth != 15 && depth != 16 &&
3401 depth != 24 && depth != 32)
3402 goto graphic_error;
3403 } else if (*p == '\0') {
3404 depth = graphic_depth;
3405 } else {
3406 goto graphic_error;
3409 graphic_width = w;
3410 graphic_height = h;
3411 graphic_depth = depth;
3413 break;
3414 case QEMU_OPTION_echr:
3416 char *r;
3417 term_escape_char = strtol(optarg, &r, 0);
3418 if (r == optarg)
3419 printf("Bad argument to echr\n");
3420 break;
3422 case QEMU_OPTION_monitor:
3423 default_monitor = 0;
3424 if (strncmp(optarg, "none", 4)) {
3425 monitor_parse(optarg, "readline", false);
3427 break;
3428 case QEMU_OPTION_qmp:
3429 monitor_parse(optarg, "control", false);
3430 default_monitor = 0;
3431 break;
3432 case QEMU_OPTION_qmp_pretty:
3433 monitor_parse(optarg, "control", true);
3434 default_monitor = 0;
3435 break;
3436 case QEMU_OPTION_mon:
3437 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3438 true);
3439 if (!opts) {
3440 exit(1);
3442 default_monitor = 0;
3443 break;
3444 case QEMU_OPTION_chardev:
3445 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3446 optarg, true);
3447 if (!opts) {
3448 exit(1);
3450 break;
3451 case QEMU_OPTION_fsdev:
3452 olist = qemu_find_opts("fsdev");
3453 if (!olist) {
3454 error_report("fsdev support is disabled");
3455 exit(1);
3457 opts = qemu_opts_parse_noisily(olist, optarg, true);
3458 if (!opts) {
3459 exit(1);
3461 break;
3462 case QEMU_OPTION_virtfs: {
3463 QemuOpts *fsdev;
3464 QemuOpts *device;
3465 const char *writeout, *sock_fd, *socket;
3467 olist = qemu_find_opts("virtfs");
3468 if (!olist) {
3469 error_report("virtfs support is disabled");
3470 exit(1);
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 if (!opts) {
3474 exit(1);
3477 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3478 qemu_opt_get(opts, "mount_tag") == NULL) {
3479 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3480 exit(1);
3482 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3483 qemu_opt_get(opts, "mount_tag"),
3484 1, NULL);
3485 if (!fsdev) {
3486 error_report("duplicate fsdev id: %s",
3487 qemu_opt_get(opts, "mount_tag"));
3488 exit(1);
3491 writeout = qemu_opt_get(opts, "writeout");
3492 if (writeout) {
3493 #ifdef CONFIG_SYNC_FILE_RANGE
3494 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3495 #else
3496 error_report("writeout=immediate not supported "
3497 "on this platform");
3498 exit(1);
3499 #endif
3501 qemu_opt_set(fsdev, "fsdriver",
3502 qemu_opt_get(opts, "fsdriver"), &error_abort);
3503 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3504 &error_abort);
3505 qemu_opt_set(fsdev, "security_model",
3506 qemu_opt_get(opts, "security_model"),
3507 &error_abort);
3508 socket = qemu_opt_get(opts, "socket");
3509 if (socket) {
3510 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3512 sock_fd = qemu_opt_get(opts, "sock_fd");
3513 if (sock_fd) {
3514 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3517 qemu_opt_set_bool(fsdev, "readonly",
3518 qemu_opt_get_bool(opts, "readonly", 0),
3519 &error_abort);
3520 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3521 &error_abort);
3522 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3523 qemu_opt_set(device, "fsdev",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 qemu_opt_set(device, "mount_tag",
3526 qemu_opt_get(opts, "mount_tag"), &error_abort);
3527 break;
3529 case QEMU_OPTION_virtfs_synth: {
3530 QemuOpts *fsdev;
3531 QemuOpts *device;
3533 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3534 1, NULL);
3535 if (!fsdev) {
3536 error_report("duplicate option: %s", "virtfs_synth");
3537 exit(1);
3539 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3541 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3542 &error_abort);
3543 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3544 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3545 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3546 break;
3548 case QEMU_OPTION_serial:
3549 add_device_config(DEV_SERIAL, optarg);
3550 default_serial = 0;
3551 if (strncmp(optarg, "mon:", 4) == 0) {
3552 default_monitor = 0;
3554 break;
3555 case QEMU_OPTION_watchdog:
3556 if (watchdog) {
3557 error_report("only one watchdog option may be given");
3558 return 1;
3560 watchdog = optarg;
3561 break;
3562 case QEMU_OPTION_watchdog_action:
3563 if (select_watchdog_action(optarg) == -1) {
3564 error_report("unknown -watchdog-action parameter");
3565 exit(1);
3567 break;
3568 case QEMU_OPTION_virtiocon:
3569 add_device_config(DEV_VIRTCON, optarg);
3570 default_virtcon = 0;
3571 if (strncmp(optarg, "mon:", 4) == 0) {
3572 default_monitor = 0;
3574 break;
3575 case QEMU_OPTION_parallel:
3576 add_device_config(DEV_PARALLEL, optarg);
3577 default_parallel = 0;
3578 if (strncmp(optarg, "mon:", 4) == 0) {
3579 default_monitor = 0;
3581 break;
3582 case QEMU_OPTION_debugcon:
3583 add_device_config(DEV_DEBUGCON, optarg);
3584 break;
3585 case QEMU_OPTION_loadvm:
3586 loadvm = optarg;
3587 break;
3588 case QEMU_OPTION_full_screen:
3589 full_screen = 1;
3590 break;
3591 case QEMU_OPTION_no_frame:
3592 no_frame = 1;
3593 break;
3594 case QEMU_OPTION_alt_grab:
3595 alt_grab = 1;
3596 break;
3597 case QEMU_OPTION_ctrl_grab:
3598 ctrl_grab = 1;
3599 break;
3600 case QEMU_OPTION_no_quit:
3601 no_quit = 1;
3602 break;
3603 case QEMU_OPTION_sdl:
3604 #ifdef CONFIG_SDL
3605 display_type = DT_SDL;
3606 break;
3607 #else
3608 error_report("SDL support is disabled");
3609 exit(1);
3610 #endif
3611 case QEMU_OPTION_pidfile:
3612 pid_file = optarg;
3613 break;
3614 case QEMU_OPTION_win2k_hack:
3615 win2k_install_hack = 1;
3616 break;
3617 case QEMU_OPTION_rtc_td_hack: {
3618 static GlobalProperty slew_lost_ticks[] = {
3620 .driver = "mc146818rtc",
3621 .property = "lost_tick_policy",
3622 .value = "slew",
3624 { /* end of list */ }
3627 qdev_prop_register_global_list(slew_lost_ticks);
3628 break;
3630 case QEMU_OPTION_acpitable:
3631 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3632 optarg, true);
3633 if (!opts) {
3634 exit(1);
3636 do_acpitable_option(opts);
3637 break;
3638 case QEMU_OPTION_smbios:
3639 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3640 optarg, false);
3641 if (!opts) {
3642 exit(1);
3644 do_smbios_option(opts);
3645 break;
3646 case QEMU_OPTION_fwcfg:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3648 optarg, true);
3649 if (opts == NULL) {
3650 exit(1);
3652 break;
3653 case QEMU_OPTION_enable_kvm:
3654 olist = qemu_find_opts("machine");
3655 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3656 break;
3657 case QEMU_OPTION_M:
3658 case QEMU_OPTION_machine:
3659 olist = qemu_find_opts("machine");
3660 opts = qemu_opts_parse_noisily(olist, optarg, true);
3661 if (!opts) {
3662 exit(1);
3664 break;
3665 case QEMU_OPTION_no_kvm:
3666 olist = qemu_find_opts("machine");
3667 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3668 break;
3669 case QEMU_OPTION_no_kvm_pit: {
3670 error_report("warning: ignoring deprecated option");
3671 break;
3673 case QEMU_OPTION_no_kvm_pit_reinjection: {
3674 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3676 .driver = "kvm-pit",
3677 .property = "lost_tick_policy",
3678 .value = "discard",
3680 { /* end of list */ }
3683 error_report("warning: deprecated, replaced by "
3684 "-global kvm-pit.lost_tick_policy=discard");
3685 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3686 break;
3688 case QEMU_OPTION_usb:
3689 olist = qemu_find_opts("machine");
3690 qemu_opts_parse_noisily(olist, "usb=on", false);
3691 break;
3692 case QEMU_OPTION_usbdevice:
3693 olist = qemu_find_opts("machine");
3694 qemu_opts_parse_noisily(olist, "usb=on", false);
3695 add_device_config(DEV_USB, optarg);
3696 break;
3697 case QEMU_OPTION_device:
3698 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3699 optarg, true)) {
3700 exit(1);
3702 break;
3703 case QEMU_OPTION_smp:
3704 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3705 optarg, true)) {
3706 exit(1);
3708 break;
3709 case QEMU_OPTION_vnc:
3711 Error *local_err = NULL;
3713 if (vnc_parse(optarg, &local_err) == NULL) {
3714 error_report_err(local_err);
3715 exit(1);
3717 break;
3719 case QEMU_OPTION_no_acpi:
3720 acpi_enabled = 0;
3721 break;
3722 case QEMU_OPTION_no_hpet:
3723 no_hpet = 1;
3724 break;
3725 case QEMU_OPTION_balloon:
3726 if (balloon_parse(optarg) < 0) {
3727 error_report("unknown -balloon argument %s", optarg);
3728 exit(1);
3730 break;
3731 case QEMU_OPTION_no_reboot:
3732 no_reboot = 1;
3733 break;
3734 case QEMU_OPTION_no_shutdown:
3735 no_shutdown = 1;
3736 break;
3737 case QEMU_OPTION_show_cursor:
3738 cursor_hide = 0;
3739 break;
3740 case QEMU_OPTION_uuid:
3741 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3742 error_report("failed to parse UUID string: wrong format");
3743 exit(1);
3745 qemu_uuid_set = true;
3746 break;
3747 case QEMU_OPTION_option_rom:
3748 if (nb_option_roms >= MAX_OPTION_ROMS) {
3749 error_report("too many option ROMs");
3750 exit(1);
3752 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3753 optarg, true);
3754 if (!opts) {
3755 exit(1);
3757 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3758 option_rom[nb_option_roms].bootindex =
3759 qemu_opt_get_number(opts, "bootindex", -1);
3760 if (!option_rom[nb_option_roms].name) {
3761 error_report("Option ROM file is not specified");
3762 exit(1);
3764 nb_option_roms++;
3765 break;
3766 case QEMU_OPTION_semihosting:
3767 semihosting.enabled = true;
3768 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3769 break;
3770 case QEMU_OPTION_semihosting_config:
3771 semihosting.enabled = true;
3772 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3773 optarg, false);
3774 if (opts != NULL) {
3775 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3776 true);
3777 const char *target = qemu_opt_get(opts, "target");
3778 if (target != NULL) {
3779 if (strcmp("native", target) == 0) {
3780 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3781 } else if (strcmp("gdb", target) == 0) {
3782 semihosting.target = SEMIHOSTING_TARGET_GDB;
3783 } else if (strcmp("auto", target) == 0) {
3784 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3785 } else {
3786 error_report("unsupported semihosting-config %s",
3787 optarg);
3788 exit(1);
3790 } else {
3791 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3793 /* Set semihosting argument count and vector */
3794 qemu_opt_foreach(opts, add_semihosting_arg,
3795 &semihosting, NULL);
3796 } else {
3797 error_report("unsupported semihosting-config %s", optarg);
3798 exit(1);
3800 break;
3801 case QEMU_OPTION_tdf:
3802 error_report("warning: ignoring deprecated option");
3803 break;
3804 case QEMU_OPTION_name:
3805 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3806 optarg, true);
3807 if (!opts) {
3808 exit(1);
3810 break;
3811 case QEMU_OPTION_prom_env:
3812 if (nb_prom_envs >= MAX_PROM_ENVS) {
3813 error_report("too many prom variables");
3814 exit(1);
3816 prom_envs[nb_prom_envs] = optarg;
3817 nb_prom_envs++;
3818 break;
3819 case QEMU_OPTION_old_param:
3820 old_param = 1;
3821 break;
3822 case QEMU_OPTION_clock:
3823 /* Clock options no longer exist. Keep this option for
3824 * backward compatibility.
3826 break;
3827 case QEMU_OPTION_startdate:
3828 configure_rtc_date_offset(optarg, 1);
3829 break;
3830 case QEMU_OPTION_rtc:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3832 false);
3833 if (!opts) {
3834 exit(1);
3836 configure_rtc(opts);
3837 break;
3838 case QEMU_OPTION_tb_size:
3839 tcg_tb_size = strtol(optarg, NULL, 0);
3840 if (tcg_tb_size < 0) {
3841 tcg_tb_size = 0;
3843 break;
3844 case QEMU_OPTION_icount:
3845 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3846 optarg, true);
3847 if (!icount_opts) {
3848 exit(1);
3850 break;
3851 case QEMU_OPTION_incoming:
3852 if (!incoming) {
3853 runstate_set(RUN_STATE_INMIGRATE);
3855 incoming = optarg;
3856 break;
3857 case QEMU_OPTION_nodefaults:
3858 has_defaults = 0;
3859 break;
3860 case QEMU_OPTION_xen_domid:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt->name);
3863 exit(1);
3865 xen_domid = atoi(optarg);
3866 break;
3867 case QEMU_OPTION_xen_create:
3868 if (!(xen_available())) {
3869 printf("Option %s not supported for this target\n", popt->name);
3870 exit(1);
3872 xen_mode = XEN_CREATE;
3873 break;
3874 case QEMU_OPTION_xen_attach:
3875 if (!(xen_available())) {
3876 printf("Option %s not supported for this target\n", popt->name);
3877 exit(1);
3879 xen_mode = XEN_ATTACH;
3880 break;
3881 case QEMU_OPTION_trace:
3883 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3884 optarg, true);
3885 if (!opts) {
3886 exit(1);
3888 if (qemu_opt_get(opts, "enable")) {
3889 trace_enable_events(qemu_opt_get(opts, "enable"));
3891 trace_init_events(qemu_opt_get(opts, "events"));
3892 if (trace_file) {
3893 g_free(trace_file);
3895 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3896 qemu_opts_del(opts);
3897 break;
3899 case QEMU_OPTION_readconfig:
3901 int ret = qemu_read_config_file(optarg);
3902 if (ret < 0) {
3903 error_report("read config %s: %s", optarg,
3904 strerror(-ret));
3905 exit(1);
3907 break;
3909 case QEMU_OPTION_spice:
3910 olist = qemu_find_opts("spice");
3911 if (!olist) {
3912 error_report("spice support is disabled");
3913 exit(1);
3915 opts = qemu_opts_parse_noisily(olist, optarg, false);
3916 if (!opts) {
3917 exit(1);
3919 display_remote++;
3920 break;
3921 case QEMU_OPTION_writeconfig:
3923 FILE *fp;
3924 if (strcmp(optarg, "-") == 0) {
3925 fp = stdout;
3926 } else {
3927 fp = fopen(optarg, "w");
3928 if (fp == NULL) {
3929 error_report("open %s: %s", optarg,
3930 strerror(errno));
3931 exit(1);
3934 qemu_config_write(fp);
3935 if (fp != stdout) {
3936 fclose(fp);
3938 break;
3940 case QEMU_OPTION_qtest:
3941 qtest_chrdev = optarg;
3942 break;
3943 case QEMU_OPTION_qtest_log:
3944 qtest_log = optarg;
3945 break;
3946 case QEMU_OPTION_sandbox:
3947 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3948 optarg, true);
3949 if (!opts) {
3950 exit(1);
3952 break;
3953 case QEMU_OPTION_add_fd:
3954 #ifndef _WIN32
3955 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3956 optarg, false);
3957 if (!opts) {
3958 exit(1);
3960 #else
3961 error_report("File descriptor passing is disabled on this "
3962 "platform");
3963 exit(1);
3964 #endif
3965 break;
3966 case QEMU_OPTION_object:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3968 optarg, true);
3969 if (!opts) {
3970 exit(1);
3972 break;
3973 case QEMU_OPTION_realtime:
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3975 optarg, false);
3976 if (!opts) {
3977 exit(1);
3979 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3980 break;
3981 case QEMU_OPTION_msg:
3982 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3983 false);
3984 if (!opts) {
3985 exit(1);
3987 configure_msg(opts);
3988 break;
3989 case QEMU_OPTION_dump_vmstate:
3990 if (vmstate_dump_file) {
3991 error_report("only one '-dump-vmstate' "
3992 "option may be given");
3993 exit(1);
3995 vmstate_dump_file = fopen(optarg, "w");
3996 if (vmstate_dump_file == NULL) {
3997 error_report("open %s: %s", optarg, strerror(errno));
3998 exit(1);
4000 break;
4001 default:
4002 os_parse_cmd_args(popt->index, optarg);
4007 * Clear error location left behind by the loop.
4008 * Best done right after the loop. Do not insert code here!
4010 loc_set_none();
4012 replay_configure(icount_opts);
4014 machine_class = select_machine();
4016 set_memory_options(&ram_slots, &maxram_size, machine_class);
4018 os_daemonize();
4020 if (qemu_init_main_loop(&main_loop_err)) {
4021 error_report_err(main_loop_err);
4022 exit(1);
4025 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4026 parse_sandbox, NULL, NULL)) {
4027 exit(1);
4030 if (qemu_opts_foreach(qemu_find_opts("name"),
4031 parse_name, NULL, NULL)) {
4032 exit(1);
4035 #ifndef _WIN32
4036 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4037 parse_add_fd, NULL, NULL)) {
4038 exit(1);
4041 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4042 cleanup_add_fd, NULL, NULL)) {
4043 exit(1);
4045 #endif
4047 current_machine = MACHINE(object_new(object_class_get_name(
4048 OBJECT_CLASS(machine_class))));
4049 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4050 exit(0);
4052 object_property_add_child(object_get_root(), "machine",
4053 OBJECT(current_machine), &error_abort);
4054 cpu_exec_init_all();
4056 if (machine_class->hw_version) {
4057 qemu_set_hw_version(machine_class->hw_version);
4060 /* Init CPU def lists, based on config
4061 * - Must be called after all the qemu_read_config_file() calls
4062 * - Must be called before list_cpus()
4063 * - Must be called before machine_class->init()
4065 cpudef_init();
4067 if (cpu_model && is_help_option(cpu_model)) {
4068 list_cpus(stdout, &fprintf, cpu_model);
4069 exit(0);
4072 if (!trace_init_backends()) {
4073 exit(1);
4075 trace_init_file(trace_file);
4077 /* Open the logfile at this point and set the log mask if necessary.
4079 if (log_file) {
4080 qemu_set_log_filename(log_file);
4083 if (log_mask) {
4084 int mask;
4085 mask = qemu_str_to_log_mask(log_mask);
4086 if (!mask) {
4087 qemu_print_log_usage(stdout);
4088 exit(1);
4090 qemu_set_log(mask);
4091 } else {
4092 qemu_set_log(0);
4095 /* If no data_dir is specified then try to find it relative to the
4096 executable path. */
4097 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4098 data_dir[data_dir_idx] = os_find_datadir();
4099 if (data_dir[data_dir_idx] != NULL) {
4100 data_dir_idx++;
4103 /* If all else fails use the install path specified when building. */
4104 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4105 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4108 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4110 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4111 if (max_cpus > machine_class->max_cpus) {
4112 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4113 "supported by machine '%s' (%d)", max_cpus,
4114 machine_class->name, machine_class->max_cpus);
4115 exit(1);
4119 * Get the default machine options from the machine if it is not already
4120 * specified either by the configuration file or by the command line.
4122 if (machine_class->default_machine_opts) {
4123 qemu_opts_set_defaults(qemu_find_opts("machine"),
4124 machine_class->default_machine_opts, 0);
4127 qemu_opts_foreach(qemu_find_opts("device"),
4128 default_driver_check, NULL, NULL);
4129 qemu_opts_foreach(qemu_find_opts("global"),
4130 default_driver_check, NULL, NULL);
4132 if (!vga_model && !default_vga) {
4133 vga_interface_type = VGA_DEVICE;
4135 if (!has_defaults || machine_class->no_serial) {
4136 default_serial = 0;
4138 if (!has_defaults || machine_class->no_parallel) {
4139 default_parallel = 0;
4141 if (!has_defaults || !machine_class->use_virtcon) {
4142 default_virtcon = 0;
4144 if (!has_defaults || !machine_class->use_sclp) {
4145 default_sclp = 0;
4147 if (!has_defaults || machine_class->no_floppy) {
4148 default_floppy = 0;
4150 if (!has_defaults || machine_class->no_cdrom) {
4151 default_cdrom = 0;
4153 if (!has_defaults || machine_class->no_sdcard) {
4154 default_sdcard = 0;
4156 if (!has_defaults) {
4157 default_monitor = 0;
4158 default_net = 0;
4159 default_vga = 0;
4162 if (is_daemonized()) {
4163 /* According to documentation and historically, -nographic redirects
4164 * serial port, parallel port and monitor to stdio, which does not work
4165 * with -daemonize. We can redirect these to null instead, but since
4166 * -nographic is legacy, let's just error out.
4167 * We disallow -nographic only if all other ports are not redirected
4168 * explicitly, to not break existing legacy setups which uses
4169 * -nographic _and_ redirects all ports explicitly - this is valid
4170 * usage, -nographic is just a no-op in this case.
4172 if (display_type == DT_NOGRAPHIC
4173 && (default_parallel || default_serial
4174 || default_monitor || default_virtcon)) {
4175 error_report("-nographic cannot be used with -daemonize");
4176 exit(1);
4178 #ifdef CONFIG_CURSES
4179 if (display_type == DT_CURSES) {
4180 error_report("curses display cannot be used with -daemonize");
4181 exit(1);
4183 #endif
4186 if (display_type == DT_NOGRAPHIC) {
4187 if (default_parallel)
4188 add_device_config(DEV_PARALLEL, "null");
4189 if (default_serial && default_monitor) {
4190 add_device_config(DEV_SERIAL, "mon:stdio");
4191 } else if (default_virtcon && default_monitor) {
4192 add_device_config(DEV_VIRTCON, "mon:stdio");
4193 } else if (default_sclp && default_monitor) {
4194 add_device_config(DEV_SCLP, "mon:stdio");
4195 } else {
4196 if (default_serial)
4197 add_device_config(DEV_SERIAL, "stdio");
4198 if (default_virtcon)
4199 add_device_config(DEV_VIRTCON, "stdio");
4200 if (default_sclp) {
4201 add_device_config(DEV_SCLP, "stdio");
4203 if (default_monitor)
4204 monitor_parse("stdio", "readline", false);
4206 } else {
4207 if (default_serial)
4208 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4209 if (default_parallel)
4210 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4211 if (default_monitor)
4212 monitor_parse("vc:80Cx24C", "readline", false);
4213 if (default_virtcon)
4214 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4215 if (default_sclp) {
4216 add_device_config(DEV_SCLP, "vc:80Cx24C");
4220 #if defined(CONFIG_VNC)
4221 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4222 display_remote++;
4224 #endif
4225 if (display_type == DT_DEFAULT && !display_remote) {
4226 #if defined(CONFIG_GTK)
4227 display_type = DT_GTK;
4228 #elif defined(CONFIG_SDL)
4229 display_type = DT_SDL;
4230 #elif defined(CONFIG_COCOA)
4231 display_type = DT_COCOA;
4232 #elif defined(CONFIG_VNC)
4233 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4234 show_vnc_port = 1;
4235 #else
4236 display_type = DT_NONE;
4237 #endif
4240 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4241 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4242 "for SDL, ignoring option");
4244 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4245 error_report("-no-quit is only valid for GTK and SDL, "
4246 "ignoring option");
4249 #if defined(CONFIG_GTK)
4250 if (display_type == DT_GTK) {
4251 early_gtk_display_init(request_opengl);
4253 #endif
4254 if (display_type == DT_SDL) {
4255 sdl_display_early_init(request_opengl);
4258 if (request_opengl == 1 && display_opengl == 0) {
4259 #if defined(CONFIG_OPENGL)
4260 error_report("OpenGL is not supported by the display");
4261 #else
4262 error_report("OpenGL support is disabled");
4263 #endif
4264 exit(1);
4267 page_size_init();
4268 socket_init();
4270 if (qemu_opts_foreach(qemu_find_opts("object"),
4271 user_creatable_add_opts_foreach,
4272 object_create_initial, NULL)) {
4273 exit(1);
4276 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4277 chardev_init_func, NULL, NULL)) {
4278 exit(1);
4281 #ifdef CONFIG_VIRTFS
4282 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4283 fsdev_init_func, NULL, NULL)) {
4284 exit(1);
4286 #endif
4288 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4289 error_report("could not acquire pid file: %s", strerror(errno));
4290 exit(1);
4293 if (qemu_opts_foreach(qemu_find_opts("device"),
4294 device_help_func, NULL, NULL)) {
4295 exit(0);
4298 machine_opts = qemu_get_machine_opts();
4299 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4300 NULL)) {
4301 object_unref(OBJECT(current_machine));
4302 exit(1);
4305 configure_accelerator(current_machine);
4307 if (qtest_chrdev) {
4308 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4311 machine_opts = qemu_get_machine_opts();
4312 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4313 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4314 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4315 bios_name = qemu_opt_get(machine_opts, "firmware");
4317 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4318 if (opts) {
4319 boot_order = qemu_opt_get(opts, "order");
4320 if (boot_order) {
4321 validate_bootdevices(boot_order, &error_fatal);
4324 boot_once = qemu_opt_get(opts, "once");
4325 if (boot_once) {
4326 validate_bootdevices(boot_once, &error_fatal);
4329 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4330 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4333 if (!boot_order) {
4334 boot_order = machine_class->default_boot_order;
4337 if (!kernel_cmdline) {
4338 kernel_cmdline = "";
4339 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4342 linux_boot = (kernel_filename != NULL);
4344 if (!linux_boot && *kernel_cmdline != '\0') {
4345 error_report("-append only allowed with -kernel option");
4346 exit(1);
4349 if (!linux_boot && initrd_filename != NULL) {
4350 error_report("-initrd only allowed with -kernel option");
4351 exit(1);
4354 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4355 error_report("-dtb only allowed with -kernel option");
4356 exit(1);
4359 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4360 /* fall back to the -kernel/-append */
4361 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4364 os_set_line_buffering();
4366 #ifdef CONFIG_SPICE
4367 /* spice needs the timers to be initialized by this point */
4368 qemu_spice_init();
4369 #endif
4371 cpu_ticks_init();
4372 if (icount_opts) {
4373 if (kvm_enabled() || xen_enabled()) {
4374 error_report("-icount is not allowed with kvm or xen");
4375 exit(1);
4377 configure_icount(icount_opts, &error_abort);
4378 qemu_opts_del(icount_opts);
4381 /* clean up network at qemu process termination */
4382 atexit(&net_cleanup);
4384 if (net_init_clients() < 0) {
4385 exit(1);
4388 if (qemu_opts_foreach(qemu_find_opts("object"),
4389 user_creatable_add_opts_foreach,
4390 object_create_delayed, NULL)) {
4391 exit(1);
4394 #ifdef CONFIG_TPM
4395 if (tpm_init() < 0) {
4396 exit(1);
4398 #endif
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT, bt_parse))
4402 exit(1);
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4407 error_report("at most 2047 MB RAM can be simulated");
4408 exit(1);
4412 blk_mig_init();
4413 ram_mig_init();
4415 /* If the currently selected machine wishes to override the units-per-bus
4416 * property of its default HBA interface type, do so now. */
4417 if (machine_class->units_per_default_bus) {
4418 override_max_devs(machine_class->block_default_type,
4419 machine_class->units_per_default_bus);
4422 /* open the virtual block devices */
4423 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4424 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4425 NULL, NULL);
4427 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4428 &machine_class->block_default_type, NULL)) {
4429 exit(1);
4432 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4433 CDROM_OPTS);
4434 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4435 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4437 parse_numa_opts(machine_class);
4439 if (qemu_opts_foreach(qemu_find_opts("mon"),
4440 mon_init_func, NULL, NULL)) {
4441 exit(1);
4444 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4445 exit(1);
4446 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4447 exit(1);
4448 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4449 exit(1);
4450 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4451 exit(1);
4453 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4454 exit(1);
4456 /* If no default VGA is requested, the default is "none". */
4457 if (default_vga) {
4458 if (machine_class->default_display) {
4459 vga_model = machine_class->default_display;
4460 } else if (vga_interface_available(VGA_CIRRUS)) {
4461 vga_model = "cirrus";
4462 } else if (vga_interface_available(VGA_STD)) {
4463 vga_model = "std";
4466 if (vga_model) {
4467 select_vgahw(vga_model);
4470 if (watchdog) {
4471 i = select_watchdog(watchdog);
4472 if (i > 0)
4473 exit (i == 1 ? 1 : 0);
4476 if (machine_class->compat_props) {
4477 qdev_prop_register_global_list(machine_class->compat_props);
4479 qemu_add_globals();
4481 /* This checkpoint is required by replay to separate prior clock
4482 reading from the other reads, because timer polling functions query
4483 clock values from the log. */
4484 replay_checkpoint(CHECKPOINT_INIT);
4485 qdev_machine_init();
4487 current_machine->ram_size = ram_size;
4488 current_machine->maxram_size = maxram_size;
4489 current_machine->ram_slots = ram_slots;
4490 current_machine->boot_order = boot_order;
4491 current_machine->cpu_model = cpu_model;
4493 machine_class->init(current_machine);
4495 realtime_init();
4497 audio_init();
4499 cpu_synchronize_all_post_init();
4501 numa_post_machine_init();
4503 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4504 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4505 exit(1);
4508 /* init USB devices */
4509 if (usb_enabled()) {
4510 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4511 exit(1);
4514 /* Check if IGD GFX passthrough. */
4515 igd_gfx_passthru();
4517 /* init generic devices */
4518 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4519 if (qemu_opts_foreach(qemu_find_opts("device"),
4520 device_init_func, NULL, NULL)) {
4521 exit(1);
4523 rom_reset_order_override();
4525 /* Did we create any drives that we failed to create a device for? */
4526 drive_check_orphaned();
4528 net_check_clients();
4530 if (boot_once) {
4531 qemu_boot_set(boot_once, &error_fatal);
4532 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4535 ds = init_displaystate();
4537 /* init local displays */
4538 switch (display_type) {
4539 case DT_NOGRAPHIC:
4540 (void)ds; /* avoid warning if no display is configured */
4541 break;
4542 case DT_CURSES:
4543 curses_display_init(ds, full_screen);
4544 break;
4545 case DT_SDL:
4546 sdl_display_init(ds, full_screen, no_frame);
4547 break;
4548 #if defined(CONFIG_COCOA)
4549 case DT_COCOA:
4550 cocoa_display_init(ds, full_screen);
4551 break;
4552 #endif
4553 #if defined(CONFIG_GTK)
4554 case DT_GTK:
4555 gtk_display_init(ds, full_screen, grab_on_hover);
4556 break;
4557 #endif
4558 default:
4559 break;
4562 /* must be after terminal init, SDL library changes signal handlers */
4563 os_setup_signal_handling();
4565 /* init remote displays */
4566 qemu_opts_foreach(qemu_find_opts("vnc"),
4567 vnc_init_func, NULL, NULL);
4568 if (show_vnc_port) {
4569 char *ret = vnc_display_local_addr("default");
4570 printf("VNC server running on '%s'\n", ret);
4571 g_free(ret);
4574 #ifdef CONFIG_SPICE
4575 if (using_spice) {
4576 qemu_spice_display_init();
4578 #endif
4580 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4581 exit(1);
4584 qdev_machine_creation_done();
4586 /* TODO: once all bus devices are qdevified, this should be done
4587 * when bus is created by qdev.c */
4588 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4589 qemu_run_machine_init_done_notifiers();
4591 if (rom_check_and_register_reset() != 0) {
4592 error_report("rom check and register reset failed");
4593 exit(1);
4596 replay_start();
4598 /* This checkpoint is required by replay to separate prior clock
4599 reading from the other reads, because timer polling functions query
4600 clock values from the log. */
4601 replay_checkpoint(CHECKPOINT_RESET);
4602 qemu_system_reset(VMRESET_SILENT);
4603 register_global_state();
4604 if (loadvm) {
4605 if (load_vmstate(loadvm) < 0) {
4606 autostart = 0;
4610 qdev_prop_check_globals();
4611 if (vmstate_dump_file) {
4612 /* dump and exit */
4613 dump_vmstate_json_to_file(vmstate_dump_file);
4614 return 0;
4617 if (incoming) {
4618 Error *local_err = NULL;
4619 qemu_start_incoming_migration(incoming, &local_err);
4620 if (local_err) {
4621 error_reportf_err(local_err, "-incoming %s: ", incoming);
4622 exit(1);
4624 } else if (autostart) {
4625 vm_start();
4628 os_setup_post();
4630 main_loop();
4631 replay_disable_events();
4633 bdrv_close_all();
4634 pause_all_vcpus();
4635 res_free();
4636 #ifdef CONFIG_TPM
4637 tpm_cleanup();
4638 #endif
4640 return 0;