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qxl: document minimal video memory for new modes
[qemu/ar7.git] / vl.c
blob86bdce07e30622ed4c7c6c7aca1b0f7bdb4f0c1a
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
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:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
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.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
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 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .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 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_trace_opts = {
268 .name = "trace",
269 .implied_opt_name = "trace",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .desc = {
272 {
273 .name = "events",
274 .type = QEMU_OPT_STRING,
275 },{
276 .name = "file",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_option_rom_opts = {
284 .name = "option-rom",
285 .implied_opt_name = "romfile",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
287 .desc = {
288 {
289 .name = "bootindex",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "romfile",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_machine_opts = {
300 .name = "machine",
301 .implied_opt_name = "type",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
304 .desc = {
305 /*
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
309 */
310 { }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_msg_opts = {
399 .name = "msg",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
401 .desc = {
402 {
403 .name = "timestamp",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_name_opts = {
411 .name = "name",
412 .implied_opt_name = "guest",
413 .merge_lists = true,
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
415 .desc = {
416 {
417 .name = "guest",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
422 }, {
423 .name = "process",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the QEMU process, as shown in top etc",
426 }, {
427 .name = "debug-threads",
428 .type = QEMU_OPT_BOOL,
429 .help = "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
431 "stable API.",
432 },
433 { /* End of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_mem_opts = {
438 .name = "memory",
439 .implied_opt_name = "size",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
441 .merge_lists = true,
442 .desc = {
443 {
444 .name = "size",
445 .type = QEMU_OPT_SIZE,
446 },
447 {
448 .name = "slots",
449 .type = QEMU_OPT_NUMBER,
450 },
451 {
452 .name = "maxmem",
453 .type = QEMU_OPT_SIZE,
454 },
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_icount_opts = {
460 .name = "icount",
461 .implied_opt_name = "shift",
462 .merge_lists = true,
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
464 .desc = {
465 {
466 .name = "shift",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "align",
470 .type = QEMU_OPT_BOOL,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_semihosting_config_opts = {
477 .name = "semihosting-config",
478 .implied_opt_name = "enable",
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
480 .desc = {
481 {
482 .name = "enable",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "target",
486 .type = QEMU_OPT_STRING,
487 },
488 { /* end of list */ }
489 },
490 };
491
492 /**
493 * Get machine options
494 *
495 * Returns: machine options (never null).
496 */
497 QemuOpts *qemu_get_machine_opts(void)
498 {
499 return qemu_find_opts_singleton("machine");
500 }
501
502 const char *qemu_get_vm_name(void)
503 {
504 return qemu_name;
505 }
506
507 static void res_free(void)
508 {
509 if (boot_splash_filedata != NULL) {
510 g_free(boot_splash_filedata);
511 boot_splash_filedata = NULL;
512 }
513 }
514
515 static int default_driver_check(QemuOpts *opts, void *opaque)
516 {
517 const char *driver = qemu_opt_get(opts, "driver");
518 int i;
519
520 if (!driver)
521 return 0;
522 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
523 if (strcmp(default_list[i].driver, driver) != 0)
524 continue;
525 *(default_list[i].flag) = 0;
526 }
527 return 0;
528 }
529
530 /***********************************************************/
531 /* QEMU state */
532
533 static RunState current_run_state = RUN_STATE_PRELAUNCH;
534
535 /* We use RUN_STATE_MAX but any invalid value will do */
536 static RunState vmstop_requested = RUN_STATE_MAX;
537 static QemuMutex vmstop_lock;
538
539 typedef struct {
540 RunState from;
541 RunState to;
542 } RunStateTransition;
543
544 static const RunStateTransition runstate_transitions_def[] = {
545 /* from -> to */
546 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
547 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
548
549 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
550 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
551
552 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
556 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
559 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
565 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
567
568 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
570
571 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
572
573 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
574 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
575 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
577 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
579 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
581 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
582 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
585
586 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
587 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
590 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
591 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
592 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
593
594 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
595 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_MAX, RUN_STATE_MAX },
601 };
602
603 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
604
605 bool runstate_check(RunState state)
606 {
607 return current_run_state == state;
608 }
609
610 static void runstate_init(void)
611 {
612 const RunStateTransition *p;
613
614 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
615 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
616 runstate_valid_transitions[p->from][p->to] = true;
617 }
618
619 qemu_mutex_init(&vmstop_lock);
620 }
621
622 /* This function will abort() on invalid state transitions */
623 void runstate_set(RunState new_state)
624 {
625 assert(new_state < RUN_STATE_MAX);
626
627 if (!runstate_valid_transitions[current_run_state][new_state]) {
628 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
629 RunState_lookup[current_run_state],
630 RunState_lookup[new_state]);
631 abort();
632 }
633 trace_runstate_set(new_state);
634 current_run_state = new_state;
635 }
636
637 int runstate_is_running(void)
638 {
639 return runstate_check(RUN_STATE_RUNNING);
640 }
641
642 bool runstate_needs_reset(void)
643 {
644 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
645 runstate_check(RUN_STATE_SHUTDOWN);
646 }
647
648 StatusInfo *qmp_query_status(Error **errp)
649 {
650 StatusInfo *info = g_malloc0(sizeof(*info));
651
652 info->running = runstate_is_running();
653 info->singlestep = singlestep;
654 info->status = current_run_state;
655
656 return info;
657 }
658
659 static bool qemu_vmstop_requested(RunState *r)
660 {
661 qemu_mutex_lock(&vmstop_lock);
662 *r = vmstop_requested;
663 vmstop_requested = RUN_STATE_MAX;
664 qemu_mutex_unlock(&vmstop_lock);
665 return *r < RUN_STATE_MAX;
666 }
667
668 void qemu_system_vmstop_request_prepare(void)
669 {
670 qemu_mutex_lock(&vmstop_lock);
671 }
672
673 void qemu_system_vmstop_request(RunState state)
674 {
675 vmstop_requested = state;
676 qemu_mutex_unlock(&vmstop_lock);
677 qemu_notify_event();
678 }
679
680 void vm_start(void)
681 {
682 RunState requested;
683
684 qemu_vmstop_requested(&requested);
685 if (runstate_is_running() && requested == RUN_STATE_MAX) {
686 return;
687 }
688
689 /* Ensure that a STOP/RESUME pair of events is emitted if a
690 * vmstop request was pending. The BLOCK_IO_ERROR event, for
691 * example, according to documentation is always followed by
692 * the STOP event.
693 */
694 if (runstate_is_running()) {
695 qapi_event_send_stop(&error_abort);
696 } else {
697 cpu_enable_ticks();
698 runstate_set(RUN_STATE_RUNNING);
699 vm_state_notify(1, RUN_STATE_RUNNING);
700 resume_all_vcpus();
701 }
702
703 qapi_event_send_resume(&error_abort);
704 }
705
706
707 /***********************************************************/
708 /* real time host monotonic timer */
709
710 /***********************************************************/
711 /* host time/date access */
712 void qemu_get_timedate(struct tm *tm, int offset)
713 {
714 time_t ti;
715
716 time(&ti);
717 ti += offset;
718 if (rtc_date_offset == -1) {
719 if (rtc_utc)
720 gmtime_r(&ti, tm);
721 else
722 localtime_r(&ti, tm);
723 } else {
724 ti -= rtc_date_offset;
725 gmtime_r(&ti, tm);
726 }
727 }
728
729 int qemu_timedate_diff(struct tm *tm)
730 {
731 time_t seconds;
732
733 if (rtc_date_offset == -1)
734 if (rtc_utc)
735 seconds = mktimegm(tm);
736 else {
737 struct tm tmp = *tm;
738 tmp.tm_isdst = -1; /* use timezone to figure it out */
739 seconds = mktime(&tmp);
740 }
741 else
742 seconds = mktimegm(tm) + rtc_date_offset;
743
744 return seconds - time(NULL);
745 }
746
747 static void configure_rtc_date_offset(const char *startdate, int legacy)
748 {
749 time_t rtc_start_date;
750 struct tm tm;
751
752 if (!strcmp(startdate, "now") && legacy) {
753 rtc_date_offset = -1;
754 } else {
755 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
756 &tm.tm_year,
757 &tm.tm_mon,
758 &tm.tm_mday,
759 &tm.tm_hour,
760 &tm.tm_min,
761 &tm.tm_sec) == 6) {
762 /* OK */
763 } else if (sscanf(startdate, "%d-%d-%d",
764 &tm.tm_year,
765 &tm.tm_mon,
766 &tm.tm_mday) == 3) {
767 tm.tm_hour = 0;
768 tm.tm_min = 0;
769 tm.tm_sec = 0;
770 } else {
771 goto date_fail;
772 }
773 tm.tm_year -= 1900;
774 tm.tm_mon--;
775 rtc_start_date = mktimegm(&tm);
776 if (rtc_start_date == -1) {
777 date_fail:
778 fprintf(stderr, "Invalid date format. Valid formats are:\n"
779 "'2006-06-17T16:01:21' or '2006-06-17'\n");
780 exit(1);
781 }
782 rtc_date_offset = time(NULL) - rtc_start_date;
783 }
784 }
785
786 static void configure_rtc(QemuOpts *opts)
787 {
788 const char *value;
789
790 value = qemu_opt_get(opts, "base");
791 if (value) {
792 if (!strcmp(value, "utc")) {
793 rtc_utc = 1;
794 } else if (!strcmp(value, "localtime")) {
795 rtc_utc = 0;
796 } else {
797 configure_rtc_date_offset(value, 0);
798 }
799 }
800 value = qemu_opt_get(opts, "clock");
801 if (value) {
802 if (!strcmp(value, "host")) {
803 rtc_clock = QEMU_CLOCK_HOST;
804 } else if (!strcmp(value, "rt")) {
805 rtc_clock = QEMU_CLOCK_REALTIME;
806 } else if (!strcmp(value, "vm")) {
807 rtc_clock = QEMU_CLOCK_VIRTUAL;
808 } else {
809 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
810 exit(1);
811 }
812 }
813 value = qemu_opt_get(opts, "driftfix");
814 if (value) {
815 if (!strcmp(value, "slew")) {
816 static GlobalProperty slew_lost_ticks[] = {
817 {
818 .driver = "mc146818rtc",
819 .property = "lost_tick_policy",
820 .value = "slew",
821 },
822 { /* end of list */ }
823 };
824
825 qdev_prop_register_global_list(slew_lost_ticks);
826 } else if (!strcmp(value, "none")) {
827 /* discard is default */
828 } else {
829 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
830 exit(1);
831 }
832 }
833 }
834
835 /***********************************************************/
836 /* Bluetooth support */
837 static int nb_hcis;
838 static int cur_hci;
839 static struct HCIInfo *hci_table[MAX_NICS];
840
841 struct HCIInfo *qemu_next_hci(void)
842 {
843 if (cur_hci == nb_hcis)
844 return &null_hci;
845
846 return hci_table[cur_hci++];
847 }
848
849 static int bt_hci_parse(const char *str)
850 {
851 struct HCIInfo *hci;
852 bdaddr_t bdaddr;
853
854 if (nb_hcis >= MAX_NICS) {
855 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
856 return -1;
857 }
858
859 hci = hci_init(str);
860 if (!hci)
861 return -1;
862
863 bdaddr.b[0] = 0x52;
864 bdaddr.b[1] = 0x54;
865 bdaddr.b[2] = 0x00;
866 bdaddr.b[3] = 0x12;
867 bdaddr.b[4] = 0x34;
868 bdaddr.b[5] = 0x56 + nb_hcis;
869 hci->bdaddr_set(hci, bdaddr.b);
870
871 hci_table[nb_hcis++] = hci;
872
873 return 0;
874 }
875
876 static void bt_vhci_add(int vlan_id)
877 {
878 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
879
880 if (!vlan->slave)
881 fprintf(stderr, "qemu: warning: adding a VHCI to "
882 "an empty scatternet %i\n", vlan_id);
883
884 bt_vhci_init(bt_new_hci(vlan));
885 }
886
887 static struct bt_device_s *bt_device_add(const char *opt)
888 {
889 struct bt_scatternet_s *vlan;
890 int vlan_id = 0;
891 char *endp = strstr(opt, ",vlan=");
892 int len = (endp ? endp - opt : strlen(opt)) + 1;
893 char devname[10];
894
895 pstrcpy(devname, MIN(sizeof(devname), len), opt);
896
897 if (endp) {
898 vlan_id = strtol(endp + 6, &endp, 0);
899 if (*endp) {
900 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
901 return 0;
902 }
903 }
904
905 vlan = qemu_find_bt_vlan(vlan_id);
906
907 if (!vlan->slave)
908 fprintf(stderr, "qemu: warning: adding a slave device to "
909 "an empty scatternet %i\n", vlan_id);
910
911 if (!strcmp(devname, "keyboard"))
912 return bt_keyboard_init(vlan);
913
914 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
915 return 0;
916 }
917
918 static int bt_parse(const char *opt)
919 {
920 const char *endp, *p;
921 int vlan;
922
923 if (strstart(opt, "hci", &endp)) {
924 if (!*endp || *endp == ',') {
925 if (*endp)
926 if (!strstart(endp, ",vlan=", 0))
927 opt = endp + 1;
928
929 return bt_hci_parse(opt);
930 }
931 } else if (strstart(opt, "vhci", &endp)) {
932 if (!*endp || *endp == ',') {
933 if (*endp) {
934 if (strstart(endp, ",vlan=", &p)) {
935 vlan = strtol(p, (char **) &endp, 0);
936 if (*endp) {
937 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
938 return 1;
939 }
940 } else {
941 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
942 return 1;
943 }
944 } else
945 vlan = 0;
946
947 bt_vhci_add(vlan);
948 return 0;
949 }
950 } else if (strstart(opt, "device:", &endp))
951 return !bt_device_add(endp);
952
953 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
954 return 1;
955 }
956
957 static int parse_sandbox(QemuOpts *opts, void *opaque)
958 {
959 /* FIXME: change this to true for 1.3 */
960 if (qemu_opt_get_bool(opts, "enable", false)) {
961 #ifdef CONFIG_SECCOMP
962 if (seccomp_start() < 0) {
963 qerror_report(ERROR_CLASS_GENERIC_ERROR,
964 "failed to install seccomp syscall filter in the kernel");
965 return -1;
966 }
967 #else
968 qerror_report(ERROR_CLASS_GENERIC_ERROR,
969 "sandboxing request but seccomp is not compiled into this build");
970 return -1;
971 #endif
972 }
973
974 return 0;
975 }
976
977 static int parse_name(QemuOpts *opts, void *opaque)
978 {
979 const char *proc_name;
980
981 if (qemu_opt_get(opts, "debug-threads")) {
982 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
983 }
984 qemu_name = qemu_opt_get(opts, "guest");
985
986 proc_name = qemu_opt_get(opts, "process");
987 if (proc_name) {
988 os_set_proc_name(proc_name);
989 }
990
991 return 0;
992 }
993
994 bool defaults_enabled(void)
995 {
996 return has_defaults;
997 }
998
999 bool usb_enabled(void)
1000 {
1001 return machine_usb(current_machine);
1002 }
1003
1004 #ifndef _WIN32
1005 static int parse_add_fd(QemuOpts *opts, void *opaque)
1006 {
1007 int fd, dupfd, flags;
1008 int64_t fdset_id;
1009 const char *fd_opaque = NULL;
1010
1011 fd = qemu_opt_get_number(opts, "fd", -1);
1012 fdset_id = qemu_opt_get_number(opts, "set", -1);
1013 fd_opaque = qemu_opt_get(opts, "opaque");
1014
1015 if (fd < 0) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "fd option is required and must be non-negative");
1018 return -1;
1019 }
1020
1021 if (fd <= STDERR_FILENO) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd cannot be a standard I/O stream");
1024 return -1;
1025 }
1026
1027 /*
1028 * All fds inherited across exec() necessarily have FD_CLOEXEC
1029 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1030 */
1031 flags = fcntl(fd, F_GETFD);
1032 if (flags == -1 || (flags & FD_CLOEXEC)) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "fd is not valid or already in use");
1035 return -1;
1036 }
1037
1038 if (fdset_id < 0) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "set option is required and must be non-negative");
1041 return -1;
1042 }
1043
1044 #ifdef F_DUPFD_CLOEXEC
1045 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1046 #else
1047 dupfd = dup(fd);
1048 if (dupfd != -1) {
1049 qemu_set_cloexec(dupfd);
1050 }
1051 #endif
1052 if (dupfd == -1) {
1053 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1054 "Error duplicating fd: %s", strerror(errno));
1055 return -1;
1056 }
1057
1058 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1059 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1060 fd_opaque, NULL);
1061
1062 return 0;
1063 }
1064
1065 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1066 {
1067 int fd;
1068
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 close(fd);
1071
1072 return 0;
1073 }
1074 #endif
1075
1076 /***********************************************************/
1077 /* QEMU Block devices */
1078
1079 #define HD_OPTS "media=disk"
1080 #define CDROM_OPTS "media=cdrom"
1081 #define FD_OPTS ""
1082 #define PFLASH_OPTS ""
1083 #define MTD_OPTS ""
1084 #define SD_OPTS ""
1085
1086 static int drive_init_func(QemuOpts *opts, void *opaque)
1087 {
1088 BlockInterfaceType *block_default_type = opaque;
1089
1090 return drive_new(opts, *block_default_type) == NULL;
1091 }
1092
1093 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1094 {
1095 if (qemu_opt_get(opts, "snapshot") == NULL) {
1096 qemu_opt_set(opts, "snapshot", "on");
1097 }
1098 return 0;
1099 }
1100
1101 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1102 int index, const char *optstr)
1103 {
1104 QemuOpts *opts;
1105 DriveInfo *dinfo;
1106
1107 if (!enable || drive_get_by_index(type, index)) {
1108 return;
1109 }
1110
1111 opts = drive_add(type, index, NULL, optstr);
1112 if (snapshot) {
1113 drive_enable_snapshot(opts, NULL);
1114 }
1115
1116 dinfo = drive_new(opts, type);
1117 if (!dinfo) {
1118 exit(1);
1119 }
1120 dinfo->is_default = true;
1121
1122 }
1123
1124 static QemuOptsList qemu_smp_opts = {
1125 .name = "smp-opts",
1126 .implied_opt_name = "cpus",
1127 .merge_lists = true,
1128 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1129 .desc = {
1130 {
1131 .name = "cpus",
1132 .type = QEMU_OPT_NUMBER,
1133 }, {
1134 .name = "sockets",
1135 .type = QEMU_OPT_NUMBER,
1136 }, {
1137 .name = "cores",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "threads",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "maxcpus",
1144 .type = QEMU_OPT_NUMBER,
1145 },
1146 { /*End of list */ }
1147 },
1148 };
1149
1150 static void smp_parse(QemuOpts *opts)
1151 {
1152 if (opts) {
1153
1154 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1155 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1156 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1157 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1158
1159 /* compute missing values, prefer sockets over cores over threads */
1160 if (cpus == 0 || sockets == 0) {
1161 sockets = sockets > 0 ? sockets : 1;
1162 cores = cores > 0 ? cores : 1;
1163 threads = threads > 0 ? threads : 1;
1164 if (cpus == 0) {
1165 cpus = cores * threads * sockets;
1166 }
1167 } else if (cores == 0) {
1168 threads = threads > 0 ? threads : 1;
1169 cores = cpus / (sockets * threads);
1170 } else if (threads == 0) {
1171 threads = cpus / (cores * sockets);
1172 } else if (sockets * cores * threads < cpus) {
1173 fprintf(stderr, "cpu topology: error: "
1174 "sockets (%u) * cores (%u) * threads (%u) < "
1175 "smp_cpus (%u)\n",
1176 sockets, cores, threads, cpus);
1177 exit(1);
1178 }
1179
1180 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1181
1182 smp_cpus = cpus;
1183 smp_cores = cores > 0 ? cores : 1;
1184 smp_threads = threads > 0 ? threads : 1;
1185
1186 }
1187
1188 if (max_cpus == 0) {
1189 max_cpus = smp_cpus;
1190 }
1191
1192 if (max_cpus > MAX_CPUMASK_BITS) {
1193 fprintf(stderr, "Unsupported number of maxcpus\n");
1194 exit(1);
1195 }
1196 if (max_cpus < smp_cpus) {
1197 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1198 exit(1);
1199 }
1200
1201 }
1202
1203 static void realtime_init(void)
1204 {
1205 if (enable_mlock) {
1206 if (os_mlock() < 0) {
1207 fprintf(stderr, "qemu: locking memory failed\n");
1208 exit(1);
1209 }
1210 }
1211 }
1212
1213
1214 static void configure_msg(QemuOpts *opts)
1215 {
1216 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1217 }
1218
1219 /***********************************************************/
1220 /* USB devices */
1221
1222 static int usb_device_add(const char *devname)
1223 {
1224 USBDevice *dev = NULL;
1225 #ifndef CONFIG_LINUX
1226 const char *p;
1227 #endif
1228
1229 if (!usb_enabled()) {
1230 return -1;
1231 }
1232
1233 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1234 dev = usbdevice_create(devname);
1235 if (dev)
1236 goto done;
1237
1238 /* the other ones */
1239 #ifndef CONFIG_LINUX
1240 /* only the linux version is qdev-ified, usb-bsd still needs this */
1241 if (strstart(devname, "host:", &p)) {
1242 dev = usb_host_device_open(usb_bus_find(-1), p);
1243 }
1244 #endif
1245 if (!dev)
1246 return -1;
1247
1248 done:
1249 return 0;
1250 }
1251
1252 static int usb_device_del(const char *devname)
1253 {
1254 int bus_num, addr;
1255 const char *p;
1256
1257 if (strstart(devname, "host:", &p)) {
1258 return -1;
1259 }
1260
1261 if (!usb_enabled()) {
1262 return -1;
1263 }
1264
1265 p = strchr(devname, '.');
1266 if (!p)
1267 return -1;
1268 bus_num = strtoul(devname, NULL, 0);
1269 addr = strtoul(p + 1, NULL, 0);
1270
1271 return usb_device_delete_addr(bus_num, addr);
1272 }
1273
1274 static int usb_parse(const char *cmdline)
1275 {
1276 int r;
1277 r = usb_device_add(cmdline);
1278 if (r < 0) {
1279 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1280 }
1281 return r;
1282 }
1283
1284 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1285 {
1286 const char *devname = qdict_get_str(qdict, "devname");
1287 if (usb_device_add(devname) < 0) {
1288 error_report("could not add USB device '%s'", devname);
1289 }
1290 }
1291
1292 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1293 {
1294 const char *devname = qdict_get_str(qdict, "devname");
1295 if (usb_device_del(devname) < 0) {
1296 error_report("could not delete USB device '%s'", devname);
1297 }
1298 }
1299
1300 /***********************************************************/
1301 /* machine registration */
1302
1303 MachineState *current_machine;
1304
1305 static void machine_class_init(ObjectClass *oc, void *data)
1306 {
1307 MachineClass *mc = MACHINE_CLASS(oc);
1308 QEMUMachine *qm = data;
1309
1310 mc->family = qm->family;
1311 mc->name = qm->name;
1312 mc->alias = qm->alias;
1313 mc->desc = qm->desc;
1314 mc->init = qm->init;
1315 mc->reset = qm->reset;
1316 mc->hot_add_cpu = qm->hot_add_cpu;
1317 mc->kvm_type = qm->kvm_type;
1318 mc->block_default_type = qm->block_default_type;
1319 mc->units_per_default_bus = qm->units_per_default_bus;
1320 mc->max_cpus = qm->max_cpus;
1321 mc->no_serial = qm->no_serial;
1322 mc->no_parallel = qm->no_parallel;
1323 mc->use_virtcon = qm->use_virtcon;
1324 mc->use_sclp = qm->use_sclp;
1325 mc->no_floppy = qm->no_floppy;
1326 mc->no_cdrom = qm->no_cdrom;
1327 mc->no_sdcard = qm->no_sdcard;
1328 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1329 mc->is_default = qm->is_default;
1330 mc->default_machine_opts = qm->default_machine_opts;
1331 mc->default_boot_order = qm->default_boot_order;
1332 mc->default_display = qm->default_display;
1333 mc->compat_props = qm->compat_props;
1334 mc->hw_version = qm->hw_version;
1335 }
1336
1337 int qemu_register_machine(QEMUMachine *m)
1338 {
1339 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1340 TypeInfo ti = {
1341 .name = name,
1342 .parent = TYPE_MACHINE,
1343 .class_init = machine_class_init,
1344 .class_data = (void *)m,
1345 };
1346
1347 type_register(&ti);
1348 g_free(name);
1349
1350 return 0;
1351 }
1352
1353 static MachineClass *find_machine(const char *name)
1354 {
1355 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1356 MachineClass *mc = NULL;
1357
1358 for (el = machines; el; el = el->next) {
1359 MachineClass *temp = el->data;
1360
1361 if (!strcmp(temp->name, name)) {
1362 mc = temp;
1363 break;
1364 }
1365 if (temp->alias &&
1366 !strcmp(temp->alias, name)) {
1367 mc = temp;
1368 break;
1369 }
1370 }
1371
1372 g_slist_free(machines);
1373 return mc;
1374 }
1375
1376 MachineClass *find_default_machine(void)
1377 {
1378 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1379 MachineClass *mc = NULL;
1380
1381 for (el = machines; el; el = el->next) {
1382 MachineClass *temp = el->data;
1383
1384 if (temp->is_default) {
1385 mc = temp;
1386 break;
1387 }
1388 }
1389
1390 g_slist_free(machines);
1391 return mc;
1392 }
1393
1394 MachineInfoList *qmp_query_machines(Error **errp)
1395 {
1396 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1397 MachineInfoList *mach_list = NULL;
1398
1399 for (el = machines; el; el = el->next) {
1400 MachineClass *mc = el->data;
1401 MachineInfoList *entry;
1402 MachineInfo *info;
1403
1404 info = g_malloc0(sizeof(*info));
1405 if (mc->is_default) {
1406 info->has_is_default = true;
1407 info->is_default = true;
1408 }
1409
1410 if (mc->alias) {
1411 info->has_alias = true;
1412 info->alias = g_strdup(mc->alias);
1413 }
1414
1415 info->name = g_strdup(mc->name);
1416 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1417
1418 entry = g_malloc0(sizeof(*entry));
1419 entry->value = info;
1420 entry->next = mach_list;
1421 mach_list = entry;
1422 }
1423
1424 g_slist_free(machines);
1425 return mach_list;
1426 }
1427
1428 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1429 {
1430 ObjectProperty *prop;
1431
1432 if (!qemu_opt_has_help_opt(opts)) {
1433 return 0;
1434 }
1435
1436 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1437 if (!prop->set) {
1438 continue;
1439 }
1440
1441 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1442 prop->name, prop->type);
1443 if (prop->description) {
1444 error_printf(" (%s)\n", prop->description);
1445 } else {
1446 error_printf("\n");
1447 }
1448 }
1449
1450 return 1;
1451 }
1452
1453 /***********************************************************/
1454 /* main execution loop */
1455
1456 struct vm_change_state_entry {
1457 VMChangeStateHandler *cb;
1458 void *opaque;
1459 QLIST_ENTRY (vm_change_state_entry) entries;
1460 };
1461
1462 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1463
1464 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1465 void *opaque)
1466 {
1467 VMChangeStateEntry *e;
1468
1469 e = g_malloc0(sizeof (*e));
1470
1471 e->cb = cb;
1472 e->opaque = opaque;
1473 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1474 return e;
1475 }
1476
1477 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1478 {
1479 QLIST_REMOVE (e, entries);
1480 g_free (e);
1481 }
1482
1483 void vm_state_notify(int running, RunState state)
1484 {
1485 VMChangeStateEntry *e, *next;
1486
1487 trace_vm_state_notify(running, state);
1488
1489 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1490 e->cb(e->opaque, running, state);
1491 }
1492 }
1493
1494 /* reset/shutdown handler */
1495
1496 typedef struct QEMUResetEntry {
1497 QTAILQ_ENTRY(QEMUResetEntry) entry;
1498 QEMUResetHandler *func;
1499 void *opaque;
1500 } QEMUResetEntry;
1501
1502 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1503 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1504 static int reset_requested;
1505 static int shutdown_requested, shutdown_signal = -1;
1506 static pid_t shutdown_pid;
1507 static int powerdown_requested;
1508 static int debug_requested;
1509 static int suspend_requested;
1510 static WakeupReason wakeup_reason;
1511 static NotifierList powerdown_notifiers =
1512 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1513 static NotifierList suspend_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1515 static NotifierList wakeup_notifiers =
1516 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1517 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1518
1519 int qemu_shutdown_requested_get(void)
1520 {
1521 return shutdown_requested;
1522 }
1523
1524 int qemu_reset_requested_get(void)
1525 {
1526 return reset_requested;
1527 }
1528
1529 static int qemu_shutdown_requested(void)
1530 {
1531 return atomic_xchg(&shutdown_requested, 0);
1532 }
1533
1534 static void qemu_kill_report(void)
1535 {
1536 if (!qtest_driver() && shutdown_signal != -1) {
1537 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1538 if (shutdown_pid == 0) {
1539 /* This happens for eg ^C at the terminal, so it's worth
1540 * avoiding printing an odd message in that case.
1541 */
1542 fputc('\n', stderr);
1543 } else {
1544 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1545 }
1546 shutdown_signal = -1;
1547 }
1548 }
1549
1550 static int qemu_reset_requested(void)
1551 {
1552 int r = reset_requested;
1553 reset_requested = 0;
1554 return r;
1555 }
1556
1557 static int qemu_suspend_requested(void)
1558 {
1559 int r = suspend_requested;
1560 suspend_requested = 0;
1561 return r;
1562 }
1563
1564 static WakeupReason qemu_wakeup_requested(void)
1565 {
1566 return wakeup_reason;
1567 }
1568
1569 static int qemu_powerdown_requested(void)
1570 {
1571 int r = powerdown_requested;
1572 powerdown_requested = 0;
1573 return r;
1574 }
1575
1576 static int qemu_debug_requested(void)
1577 {
1578 int r = debug_requested;
1579 debug_requested = 0;
1580 return r;
1581 }
1582
1583 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1584 {
1585 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1586
1587 re->func = func;
1588 re->opaque = opaque;
1589 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1590 }
1591
1592 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1593 {
1594 QEMUResetEntry *re;
1595
1596 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1597 if (re->func == func && re->opaque == opaque) {
1598 QTAILQ_REMOVE(&reset_handlers, re, entry);
1599 g_free(re);
1600 return;
1601 }
1602 }
1603 }
1604
1605 void qemu_devices_reset(void)
1606 {
1607 QEMUResetEntry *re, *nre;
1608
1609 /* reset all devices */
1610 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1611 re->func(re->opaque);
1612 }
1613 }
1614
1615 void qemu_system_reset(bool report)
1616 {
1617 MachineClass *mc;
1618
1619 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1620
1621 if (mc && mc->reset) {
1622 mc->reset();
1623 } else {
1624 qemu_devices_reset();
1625 }
1626 if (report) {
1627 qapi_event_send_reset(&error_abort);
1628 }
1629 cpu_synchronize_all_post_reset();
1630 }
1631
1632 void qemu_system_reset_request(void)
1633 {
1634 if (no_reboot) {
1635 shutdown_requested = 1;
1636 } else {
1637 reset_requested = 1;
1638 }
1639 cpu_stop_current();
1640 qemu_notify_event();
1641 }
1642
1643 static void qemu_system_suspend(void)
1644 {
1645 pause_all_vcpus();
1646 notifier_list_notify(&suspend_notifiers, NULL);
1647 runstate_set(RUN_STATE_SUSPENDED);
1648 qapi_event_send_suspend(&error_abort);
1649 }
1650
1651 void qemu_system_suspend_request(void)
1652 {
1653 if (runstate_check(RUN_STATE_SUSPENDED)) {
1654 return;
1655 }
1656 suspend_requested = 1;
1657 cpu_stop_current();
1658 qemu_notify_event();
1659 }
1660
1661 void qemu_register_suspend_notifier(Notifier *notifier)
1662 {
1663 notifier_list_add(&suspend_notifiers, notifier);
1664 }
1665
1666 void qemu_system_wakeup_request(WakeupReason reason)
1667 {
1668 trace_system_wakeup_request(reason);
1669
1670 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1671 return;
1672 }
1673 if (!(wakeup_reason_mask & (1 << reason))) {
1674 return;
1675 }
1676 runstate_set(RUN_STATE_RUNNING);
1677 wakeup_reason = reason;
1678 qemu_notify_event();
1679 }
1680
1681 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1682 {
1683 if (enabled) {
1684 wakeup_reason_mask |= (1 << reason);
1685 } else {
1686 wakeup_reason_mask &= ~(1 << reason);
1687 }
1688 }
1689
1690 void qemu_register_wakeup_notifier(Notifier *notifier)
1691 {
1692 notifier_list_add(&wakeup_notifiers, notifier);
1693 }
1694
1695 void qemu_system_killed(int signal, pid_t pid)
1696 {
1697 shutdown_signal = signal;
1698 shutdown_pid = pid;
1699 no_shutdown = 0;
1700 qemu_system_shutdown_request();
1701 }
1702
1703 void qemu_system_shutdown_request(void)
1704 {
1705 trace_qemu_system_shutdown_request();
1706 shutdown_requested = 1;
1707 qemu_notify_event();
1708 }
1709
1710 static void qemu_system_powerdown(void)
1711 {
1712 qapi_event_send_powerdown(&error_abort);
1713 notifier_list_notify(&powerdown_notifiers, NULL);
1714 }
1715
1716 void qemu_system_powerdown_request(void)
1717 {
1718 trace_qemu_system_powerdown_request();
1719 powerdown_requested = 1;
1720 qemu_notify_event();
1721 }
1722
1723 void qemu_register_powerdown_notifier(Notifier *notifier)
1724 {
1725 notifier_list_add(&powerdown_notifiers, notifier);
1726 }
1727
1728 void qemu_system_debug_request(void)
1729 {
1730 debug_requested = 1;
1731 qemu_notify_event();
1732 }
1733
1734 static bool main_loop_should_exit(void)
1735 {
1736 RunState r;
1737 if (qemu_debug_requested()) {
1738 vm_stop(RUN_STATE_DEBUG);
1739 }
1740 if (qemu_suspend_requested()) {
1741 qemu_system_suspend();
1742 }
1743 if (qemu_shutdown_requested()) {
1744 qemu_kill_report();
1745 qapi_event_send_shutdown(&error_abort);
1746 if (no_shutdown) {
1747 vm_stop(RUN_STATE_SHUTDOWN);
1748 } else {
1749 return true;
1750 }
1751 }
1752 if (qemu_reset_requested()) {
1753 pause_all_vcpus();
1754 cpu_synchronize_all_states();
1755 qemu_system_reset(VMRESET_REPORT);
1756 resume_all_vcpus();
1757 if (runstate_needs_reset()) {
1758 runstate_set(RUN_STATE_PAUSED);
1759 }
1760 }
1761 if (qemu_wakeup_requested()) {
1762 pause_all_vcpus();
1763 cpu_synchronize_all_states();
1764 qemu_system_reset(VMRESET_SILENT);
1765 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1766 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1767 resume_all_vcpus();
1768 qapi_event_send_wakeup(&error_abort);
1769 }
1770 if (qemu_powerdown_requested()) {
1771 qemu_system_powerdown();
1772 }
1773 if (qemu_vmstop_requested(&r)) {
1774 vm_stop(r);
1775 }
1776 return false;
1777 }
1778
1779 static void main_loop(void)
1780 {
1781 bool nonblocking;
1782 int last_io = 0;
1783 #ifdef CONFIG_PROFILER
1784 int64_t ti;
1785 #endif
1786 do {
1787 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1788 #ifdef CONFIG_PROFILER
1789 ti = profile_getclock();
1790 #endif
1791 last_io = main_loop_wait(nonblocking);
1792 #ifdef CONFIG_PROFILER
1793 dev_time += profile_getclock() - ti;
1794 #endif
1795 } while (!main_loop_should_exit());
1796 }
1797
1798 static void version(void)
1799 {
1800 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1801 }
1802
1803 static void help(int exitcode)
1804 {
1805 version();
1806 printf("usage: %s [options] [disk_image]\n\n"
1807 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1808 error_get_progname());
1809
1810 #define QEMU_OPTIONS_GENERATE_HELP
1811 #include "qemu-options-wrapper.h"
1812
1813 printf("\nDuring emulation, the following keys are useful:\n"
1814 "ctrl-alt-f toggle full screen\n"
1815 "ctrl-alt-n switch to virtual console 'n'\n"
1816 "ctrl-alt toggle mouse and keyboard grab\n"
1817 "\n"
1818 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1819
1820 exit(exitcode);
1821 }
1822
1823 #define HAS_ARG 0x0001
1824
1825 typedef struct QEMUOption {
1826 const char *name;
1827 int flags;
1828 int index;
1829 uint32_t arch_mask;
1830 } QEMUOption;
1831
1832 static const QEMUOption qemu_options[] = {
1833 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1834 #define QEMU_OPTIONS_GENERATE_OPTIONS
1835 #include "qemu-options-wrapper.h"
1836 { NULL },
1837 };
1838
1839 static bool vga_available(void)
1840 {
1841 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1842 }
1843
1844 static bool cirrus_vga_available(void)
1845 {
1846 return object_class_by_name("cirrus-vga")
1847 || object_class_by_name("isa-cirrus-vga");
1848 }
1849
1850 static bool vmware_vga_available(void)
1851 {
1852 return object_class_by_name("vmware-svga");
1853 }
1854
1855 static bool qxl_vga_available(void)
1856 {
1857 return object_class_by_name("qxl-vga");
1858 }
1859
1860 static bool tcx_vga_available(void)
1861 {
1862 return object_class_by_name("SUNW,tcx");
1863 }
1864
1865 static bool cg3_vga_available(void)
1866 {
1867 return object_class_by_name("cgthree");
1868 }
1869
1870 static void select_vgahw (const char *p)
1871 {
1872 const char *opts;
1873
1874 assert(vga_interface_type == VGA_NONE);
1875 if (strstart(p, "std", &opts)) {
1876 if (vga_available()) {
1877 vga_interface_type = VGA_STD;
1878 } else {
1879 fprintf(stderr, "Error: standard VGA not available\n");
1880 exit(0);
1881 }
1882 } else if (strstart(p, "cirrus", &opts)) {
1883 if (cirrus_vga_available()) {
1884 vga_interface_type = VGA_CIRRUS;
1885 } else {
1886 fprintf(stderr, "Error: Cirrus VGA not available\n");
1887 exit(0);
1888 }
1889 } else if (strstart(p, "vmware", &opts)) {
1890 if (vmware_vga_available()) {
1891 vga_interface_type = VGA_VMWARE;
1892 } else {
1893 fprintf(stderr, "Error: VMWare SVGA not available\n");
1894 exit(0);
1895 }
1896 } else if (strstart(p, "xenfb", &opts)) {
1897 vga_interface_type = VGA_XENFB;
1898 } else if (strstart(p, "qxl", &opts)) {
1899 if (qxl_vga_available()) {
1900 vga_interface_type = VGA_QXL;
1901 } else {
1902 fprintf(stderr, "Error: QXL VGA not available\n");
1903 exit(0);
1904 }
1905 } else if (strstart(p, "tcx", &opts)) {
1906 if (tcx_vga_available()) {
1907 vga_interface_type = VGA_TCX;
1908 } else {
1909 fprintf(stderr, "Error: TCX framebuffer not available\n");
1910 exit(0);
1911 }
1912 } else if (strstart(p, "cg3", &opts)) {
1913 if (cg3_vga_available()) {
1914 vga_interface_type = VGA_CG3;
1915 } else {
1916 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1917 exit(0);
1918 }
1919 } else if (!strstart(p, "none", &opts)) {
1920 invalid_vga:
1921 fprintf(stderr, "Unknown vga type: %s\n", p);
1922 exit(1);
1923 }
1924 while (*opts) {
1925 const char *nextopt;
1926
1927 if (strstart(opts, ",retrace=", &nextopt)) {
1928 opts = nextopt;
1929 if (strstart(opts, "dumb", &nextopt))
1930 vga_retrace_method = VGA_RETRACE_DUMB;
1931 else if (strstart(opts, "precise", &nextopt))
1932 vga_retrace_method = VGA_RETRACE_PRECISE;
1933 else goto invalid_vga;
1934 } else goto invalid_vga;
1935 opts = nextopt;
1936 }
1937 }
1938
1939 static DisplayType select_display(const char *p)
1940 {
1941 const char *opts;
1942 DisplayType display = DT_DEFAULT;
1943
1944 if (strstart(p, "sdl", &opts)) {
1945 #ifdef CONFIG_SDL
1946 display = DT_SDL;
1947 while (*opts) {
1948 const char *nextopt;
1949
1950 if (strstart(opts, ",frame=", &nextopt)) {
1951 opts = nextopt;
1952 if (strstart(opts, "on", &nextopt)) {
1953 no_frame = 0;
1954 } else if (strstart(opts, "off", &nextopt)) {
1955 no_frame = 1;
1956 } else {
1957 goto invalid_sdl_args;
1958 }
1959 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1960 opts = nextopt;
1961 if (strstart(opts, "on", &nextopt)) {
1962 alt_grab = 1;
1963 } else if (strstart(opts, "off", &nextopt)) {
1964 alt_grab = 0;
1965 } else {
1966 goto invalid_sdl_args;
1967 }
1968 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1969 opts = nextopt;
1970 if (strstart(opts, "on", &nextopt)) {
1971 ctrl_grab = 1;
1972 } else if (strstart(opts, "off", &nextopt)) {
1973 ctrl_grab = 0;
1974 } else {
1975 goto invalid_sdl_args;
1976 }
1977 } else if (strstart(opts, ",window_close=", &nextopt)) {
1978 opts = nextopt;
1979 if (strstart(opts, "on", &nextopt)) {
1980 no_quit = 0;
1981 } else if (strstart(opts, "off", &nextopt)) {
1982 no_quit = 1;
1983 } else {
1984 goto invalid_sdl_args;
1985 }
1986 } else {
1987 invalid_sdl_args:
1988 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1989 exit(1);
1990 }
1991 opts = nextopt;
1992 }
1993 #else
1994 fprintf(stderr, "SDL support is disabled\n");
1995 exit(1);
1996 #endif
1997 } else if (strstart(p, "vnc", &opts)) {
1998 #ifdef CONFIG_VNC
1999 if (*opts == '=') {
2000 display_remote++;
2001 if (vnc_parse_func(opts+1) == NULL) {
2002 exit(1);
2003 }
2004 } else {
2005 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2006 exit(1);
2007 }
2008 #else
2009 fprintf(stderr, "VNC support is disabled\n");
2010 exit(1);
2011 #endif
2012 } else if (strstart(p, "curses", &opts)) {
2013 #ifdef CONFIG_CURSES
2014 display = DT_CURSES;
2015 #else
2016 fprintf(stderr, "Curses support is disabled\n");
2017 exit(1);
2018 #endif
2019 } else if (strstart(p, "gtk", &opts)) {
2020 #ifdef CONFIG_GTK
2021 display = DT_GTK;
2022 while (*opts) {
2023 const char *nextopt;
2024
2025 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2026 opts = nextopt;
2027 if (strstart(opts, "on", &nextopt)) {
2028 grab_on_hover = true;
2029 } else if (strstart(opts, "off", &nextopt)) {
2030 grab_on_hover = false;
2031 } else {
2032 goto invalid_gtk_args;
2033 }
2034 } else {
2035 invalid_gtk_args:
2036 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2037 exit(1);
2038 }
2039 opts = nextopt;
2040 }
2041 #else
2042 fprintf(stderr, "GTK support is disabled\n");
2043 exit(1);
2044 #endif
2045 } else if (strstart(p, "none", &opts)) {
2046 display = DT_NONE;
2047 } else {
2048 fprintf(stderr, "Unknown display type: %s\n", p);
2049 exit(1);
2050 }
2051
2052 return display;
2053 }
2054
2055 static int balloon_parse(const char *arg)
2056 {
2057 QemuOpts *opts;
2058
2059 if (strcmp(arg, "none") == 0) {
2060 return 0;
2061 }
2062
2063 if (!strncmp(arg, "virtio", 6)) {
2064 if (arg[6] == ',') {
2065 /* have params -> parse them */
2066 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2067 if (!opts)
2068 return -1;
2069 } else {
2070 /* create empty opts */
2071 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2072 &error_abort);
2073 }
2074 qemu_opt_set(opts, "driver", "virtio-balloon");
2075 return 0;
2076 }
2077
2078 return -1;
2079 }
2080
2081 char *qemu_find_file(int type, const char *name)
2082 {
2083 int i;
2084 const char *subdir;
2085 char *buf;
2086
2087 /* Try the name as a straight path first */
2088 if (access(name, R_OK) == 0) {
2089 trace_load_file(name, name);
2090 return g_strdup(name);
2091 }
2092
2093 switch (type) {
2094 case QEMU_FILE_TYPE_BIOS:
2095 subdir = "";
2096 break;
2097 case QEMU_FILE_TYPE_KEYMAP:
2098 subdir = "keymaps/";
2099 break;
2100 default:
2101 abort();
2102 }
2103
2104 for (i = 0; i < data_dir_idx; i++) {
2105 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2106 if (access(buf, R_OK) == 0) {
2107 trace_load_file(name, buf);
2108 return buf;
2109 }
2110 g_free(buf);
2111 }
2112 return NULL;
2113 }
2114
2115 static int device_help_func(QemuOpts *opts, void *opaque)
2116 {
2117 return qdev_device_help(opts);
2118 }
2119
2120 static int device_init_func(QemuOpts *opts, void *opaque)
2121 {
2122 DeviceState *dev;
2123
2124 dev = qdev_device_add(opts);
2125 if (!dev)
2126 return -1;
2127 object_unref(OBJECT(dev));
2128 return 0;
2129 }
2130
2131 static int chardev_init_func(QemuOpts *opts, void *opaque)
2132 {
2133 Error *local_err = NULL;
2134
2135 qemu_chr_new_from_opts(opts, NULL, &local_err);
2136 if (local_err) {
2137 error_report_err(local_err);
2138 return -1;
2139 }
2140 return 0;
2141 }
2142
2143 #ifdef CONFIG_VIRTFS
2144 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2145 {
2146 int ret;
2147 ret = qemu_fsdev_add(opts);
2148
2149 return ret;
2150 }
2151 #endif
2152
2153 static int mon_init_func(QemuOpts *opts, void *opaque)
2154 {
2155 CharDriverState *chr;
2156 const char *chardev;
2157 const char *mode;
2158 int flags;
2159
2160 mode = qemu_opt_get(opts, "mode");
2161 if (mode == NULL) {
2162 mode = "readline";
2163 }
2164 if (strcmp(mode, "readline") == 0) {
2165 flags = MONITOR_USE_READLINE;
2166 } else if (strcmp(mode, "control") == 0) {
2167 flags = MONITOR_USE_CONTROL;
2168 } else {
2169 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2170 exit(1);
2171 }
2172
2173 if (qemu_opt_get_bool(opts, "pretty", 0))
2174 flags |= MONITOR_USE_PRETTY;
2175
2176 if (qemu_opt_get_bool(opts, "default", 0))
2177 flags |= MONITOR_IS_DEFAULT;
2178
2179 chardev = qemu_opt_get(opts, "chardev");
2180 chr = qemu_chr_find(chardev);
2181 if (chr == NULL) {
2182 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2183 exit(1);
2184 }
2185
2186 qemu_chr_fe_claim_no_fail(chr);
2187 monitor_init(chr, flags);
2188 return 0;
2189 }
2190
2191 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2192 {
2193 static int monitor_device_index = 0;
2194 Error *local_err = NULL;
2195 QemuOpts *opts;
2196 const char *p;
2197 char label[32];
2198 int def = 0;
2199
2200 if (strstart(optarg, "chardev:", &p)) {
2201 snprintf(label, sizeof(label), "%s", p);
2202 } else {
2203 snprintf(label, sizeof(label), "compat_monitor%d",
2204 monitor_device_index);
2205 if (monitor_device_index == 0) {
2206 def = 1;
2207 }
2208 opts = qemu_chr_parse_compat(label, optarg);
2209 if (!opts) {
2210 fprintf(stderr, "parse error: %s\n", optarg);
2211 exit(1);
2212 }
2213 }
2214
2215 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2216 if (!opts) {
2217 error_report_err(local_err);
2218 exit(1);
2219 }
2220 qemu_opt_set(opts, "mode", mode);
2221 qemu_opt_set(opts, "chardev", label);
2222 qemu_opt_set_bool(opts, "pretty", pretty);
2223 if (def)
2224 qemu_opt_set(opts, "default", "on");
2225 monitor_device_index++;
2226 }
2227
2228 struct device_config {
2229 enum {
2230 DEV_USB, /* -usbdevice */
2231 DEV_BT, /* -bt */
2232 DEV_SERIAL, /* -serial */
2233 DEV_PARALLEL, /* -parallel */
2234 DEV_VIRTCON, /* -virtioconsole */
2235 DEV_DEBUGCON, /* -debugcon */
2236 DEV_GDB, /* -gdb, -s */
2237 DEV_SCLP, /* s390 sclp */
2238 } type;
2239 const char *cmdline;
2240 Location loc;
2241 QTAILQ_ENTRY(device_config) next;
2242 };
2243
2244 static QTAILQ_HEAD(, device_config) device_configs =
2245 QTAILQ_HEAD_INITIALIZER(device_configs);
2246
2247 static void add_device_config(int type, const char *cmdline)
2248 {
2249 struct device_config *conf;
2250
2251 conf = g_malloc0(sizeof(*conf));
2252 conf->type = type;
2253 conf->cmdline = cmdline;
2254 loc_save(&conf->loc);
2255 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2256 }
2257
2258 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2259 {
2260 struct device_config *conf;
2261 int rc;
2262
2263 QTAILQ_FOREACH(conf, &device_configs, next) {
2264 if (conf->type != type)
2265 continue;
2266 loc_push_restore(&conf->loc);
2267 rc = func(conf->cmdline);
2268 loc_pop(&conf->loc);
2269 if (rc) {
2270 return rc;
2271 }
2272 }
2273 return 0;
2274 }
2275
2276 static int serial_parse(const char *devname)
2277 {
2278 static int index = 0;
2279 char label[32];
2280
2281 if (strcmp(devname, "none") == 0)
2282 return 0;
2283 if (index == MAX_SERIAL_PORTS) {
2284 fprintf(stderr, "qemu: too many serial ports\n");
2285 exit(1);
2286 }
2287 snprintf(label, sizeof(label), "serial%d", index);
2288 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2289 if (!serial_hds[index]) {
2290 fprintf(stderr, "qemu: could not connect serial device"
2291 " to character backend '%s'\n", devname);
2292 return -1;
2293 }
2294 index++;
2295 return 0;
2296 }
2297
2298 static int parallel_parse(const char *devname)
2299 {
2300 static int index = 0;
2301 char label[32];
2302
2303 if (strcmp(devname, "none") == 0)
2304 return 0;
2305 if (index == MAX_PARALLEL_PORTS) {
2306 fprintf(stderr, "qemu: too many parallel ports\n");
2307 exit(1);
2308 }
2309 snprintf(label, sizeof(label), "parallel%d", index);
2310 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2311 if (!parallel_hds[index]) {
2312 fprintf(stderr, "qemu: could not connect parallel device"
2313 " to character backend '%s'\n", devname);
2314 return -1;
2315 }
2316 index++;
2317 return 0;
2318 }
2319
2320 static int virtcon_parse(const char *devname)
2321 {
2322 QemuOptsList *device = qemu_find_opts("device");
2323 static int index = 0;
2324 char label[32];
2325 QemuOpts *bus_opts, *dev_opts;
2326
2327 if (strcmp(devname, "none") == 0)
2328 return 0;
2329 if (index == MAX_VIRTIO_CONSOLES) {
2330 fprintf(stderr, "qemu: too many virtio consoles\n");
2331 exit(1);
2332 }
2333
2334 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2335 if (arch_type == QEMU_ARCH_S390X) {
2336 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2337 } else {
2338 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2339 }
2340
2341 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2342 qemu_opt_set(dev_opts, "driver", "virtconsole");
2343
2344 snprintf(label, sizeof(label), "virtcon%d", index);
2345 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2346 if (!virtcon_hds[index]) {
2347 fprintf(stderr, "qemu: could not connect virtio console"
2348 " to character backend '%s'\n", devname);
2349 return -1;
2350 }
2351 qemu_opt_set(dev_opts, "chardev", label);
2352
2353 index++;
2354 return 0;
2355 }
2356
2357 static int sclp_parse(const char *devname)
2358 {
2359 QemuOptsList *device = qemu_find_opts("device");
2360 static int index = 0;
2361 char label[32];
2362 QemuOpts *dev_opts;
2363
2364 if (strcmp(devname, "none") == 0) {
2365 return 0;
2366 }
2367 if (index == MAX_SCLP_CONSOLES) {
2368 fprintf(stderr, "qemu: too many sclp consoles\n");
2369 exit(1);
2370 }
2371
2372 assert(arch_type == QEMU_ARCH_S390X);
2373
2374 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2375 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2376
2377 snprintf(label, sizeof(label), "sclpcon%d", index);
2378 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2379 if (!sclp_hds[index]) {
2380 fprintf(stderr, "qemu: could not connect sclp console"
2381 " to character backend '%s'\n", devname);
2382 return -1;
2383 }
2384 qemu_opt_set(dev_opts, "chardev", label);
2385
2386 index++;
2387 return 0;
2388 }
2389
2390 static int debugcon_parse(const char *devname)
2391 {
2392 QemuOpts *opts;
2393
2394 if (!qemu_chr_new("debugcon", devname, NULL)) {
2395 exit(1);
2396 }
2397 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2398 if (!opts) {
2399 fprintf(stderr, "qemu: already have a debugcon device\n");
2400 exit(1);
2401 }
2402 qemu_opt_set(opts, "driver", "isa-debugcon");
2403 qemu_opt_set(opts, "chardev", "debugcon");
2404 return 0;
2405 }
2406
2407 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2408 {
2409 const MachineClass *mc1 = a, *mc2 = b;
2410 int res;
2411
2412 if (mc1->family == NULL) {
2413 if (mc2->family == NULL) {
2414 /* Compare standalone machine types against each other; they sort
2415 * in increasing order.
2416 */
2417 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2418 object_class_get_name(OBJECT_CLASS(mc2)));
2419 }
2420
2421 /* Standalone machine types sort after families. */
2422 return 1;
2423 }
2424
2425 if (mc2->family == NULL) {
2426 /* Families sort before standalone machine types. */
2427 return -1;
2428 }
2429
2430 /* Families sort between each other alphabetically increasingly. */
2431 res = strcmp(mc1->family, mc2->family);
2432 if (res != 0) {
2433 return res;
2434 }
2435
2436 /* Within the same family, machine types sort in decreasing order. */
2437 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2438 object_class_get_name(OBJECT_CLASS(mc1)));
2439 }
2440
2441 static MachineClass *machine_parse(const char *name)
2442 {
2443 MachineClass *mc = NULL;
2444 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2445
2446 if (name) {
2447 mc = find_machine(name);
2448 }
2449 if (mc) {
2450 g_slist_free(machines);
2451 return mc;
2452 }
2453 if (name && !is_help_option(name)) {
2454 error_report("Unsupported machine type");
2455 error_printf("Use -machine help to list supported machines!\n");
2456 } else {
2457 printf("Supported machines are:\n");
2458 machines = g_slist_sort(machines, machine_class_cmp);
2459 for (el = machines; el; el = el->next) {
2460 MachineClass *mc = el->data;
2461 if (mc->alias) {
2462 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2463 }
2464 printf("%-20s %s%s\n", mc->name, mc->desc,
2465 mc->is_default ? " (default)" : "");
2466 }
2467 }
2468
2469 g_slist_free(machines);
2470 exit(!name || !is_help_option(name));
2471 }
2472
2473 void qemu_add_exit_notifier(Notifier *notify)
2474 {
2475 notifier_list_add(&exit_notifiers, notify);
2476 }
2477
2478 void qemu_remove_exit_notifier(Notifier *notify)
2479 {
2480 notifier_remove(notify);
2481 }
2482
2483 static void qemu_run_exit_notifiers(void)
2484 {
2485 notifier_list_notify(&exit_notifiers, NULL);
2486 }
2487
2488 void qemu_add_machine_init_done_notifier(Notifier *notify)
2489 {
2490 notifier_list_add(&machine_init_done_notifiers, notify);
2491 }
2492
2493 static void qemu_run_machine_init_done_notifiers(void)
2494 {
2495 notifier_list_notify(&machine_init_done_notifiers, NULL);
2496 }
2497
2498 static const QEMUOption *lookup_opt(int argc, char **argv,
2499 const char **poptarg, int *poptind)
2500 {
2501 const QEMUOption *popt;
2502 int optind = *poptind;
2503 char *r = argv[optind];
2504 const char *optarg;
2505
2506 loc_set_cmdline(argv, optind, 1);
2507 optind++;
2508 /* Treat --foo the same as -foo. */
2509 if (r[1] == '-')
2510 r++;
2511 popt = qemu_options;
2512 for(;;) {
2513 if (!popt->name) {
2514 error_report("invalid option");
2515 exit(1);
2516 }
2517 if (!strcmp(popt->name, r + 1))
2518 break;
2519 popt++;
2520 }
2521 if (popt->flags & HAS_ARG) {
2522 if (optind >= argc) {
2523 error_report("requires an argument");
2524 exit(1);
2525 }
2526 optarg = argv[optind++];
2527 loc_set_cmdline(argv, optind - 2, 2);
2528 } else {
2529 optarg = NULL;
2530 }
2531
2532 *poptarg = optarg;
2533 *poptind = optind;
2534
2535 return popt;
2536 }
2537
2538 static gpointer malloc_and_trace(gsize n_bytes)
2539 {
2540 void *ptr = malloc(n_bytes);
2541 trace_g_malloc(n_bytes, ptr);
2542 return ptr;
2543 }
2544
2545 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2546 {
2547 void *ptr = realloc(mem, n_bytes);
2548 trace_g_realloc(mem, n_bytes, ptr);
2549 return ptr;
2550 }
2551
2552 static void free_and_trace(gpointer mem)
2553 {
2554 trace_g_free(mem);
2555 free(mem);
2556 }
2557
2558 static int machine_set_property(const char *name, const char *value,
2559 void *opaque)
2560 {
2561 Object *obj = OBJECT(opaque);
2562 Error *local_err = NULL;
2563 char *c, *qom_name;
2564
2565 if (strcmp(name, "type") == 0) {
2566 return 0;
2567 }
2568
2569 qom_name = g_strdup(name);
2570 c = qom_name;
2571 while (*c++) {
2572 if (*c == '_') {
2573 *c = '-';
2574 }
2575 }
2576
2577 object_property_parse(obj, value, qom_name, &local_err);
2578 g_free(qom_name);
2579
2580 if (local_err) {
2581 error_report_err(local_err);
2582 return -1;
2583 }
2584
2585 return 0;
2586 }
2587
2588 static int object_create(QemuOpts *opts, void *opaque)
2589 {
2590 Error *err = NULL;
2591 char *type = NULL;
2592 char *id = NULL;
2593 void *dummy = NULL;
2594 OptsVisitor *ov;
2595 QDict *pdict;
2596
2597 ov = opts_visitor_new(opts);
2598 pdict = qemu_opts_to_qdict(opts, NULL);
2599
2600 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2601 if (err) {
2602 goto out;
2603 }
2604
2605 qdict_del(pdict, "qom-type");
2606 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2607 if (err) {
2608 goto out;
2609 }
2610
2611 qdict_del(pdict, "id");
2612 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2613 if (err) {
2614 goto out;
2615 }
2616
2617 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2618 if (err) {
2619 goto out;
2620 }
2621 visit_end_struct(opts_get_visitor(ov), &err);
2622 if (err) {
2623 qmp_object_del(id, NULL);
2624 }
2625
2626 out:
2627 opts_visitor_cleanup(ov);
2628
2629 QDECREF(pdict);
2630 g_free(id);
2631 g_free(type);
2632 g_free(dummy);
2633 if (err) {
2634 error_report_err(err);
2635 return -1;
2636 }
2637 return 0;
2638 }
2639
2640 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2641 {
2642 uint64_t sz;
2643 const char *mem_str;
2644 const char *maxmem_str, *slots_str;
2645 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2646 1024 * 1024;
2647 QemuOpts *opts = qemu_find_opts_singleton("memory");
2648
2649 sz = 0;
2650 mem_str = qemu_opt_get(opts, "size");
2651 if (mem_str) {
2652 if (!*mem_str) {
2653 error_report("missing 'size' option value");
2654 exit(EXIT_FAILURE);
2655 }
2656
2657 sz = qemu_opt_get_size(opts, "size", ram_size);
2658
2659 /* Fix up legacy suffix-less format */
2660 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2661 uint64_t overflow_check = sz;
2662
2663 sz <<= 20;
2664 if ((sz >> 20) != overflow_check) {
2665 error_report("too large 'size' option value");
2666 exit(EXIT_FAILURE);
2667 }
2668 }
2669 }
2670
2671 /* backward compatibility behaviour for case "-m 0" */
2672 if (sz == 0) {
2673 sz = default_ram_size;
2674 }
2675
2676 sz = QEMU_ALIGN_UP(sz, 8192);
2677 ram_size = sz;
2678 if (ram_size != sz) {
2679 error_report("ram size too large");
2680 exit(EXIT_FAILURE);
2681 }
2682
2683 /* store value for the future use */
2684 qemu_opt_set_number(opts, "size", ram_size);
2685 *maxram_size = ram_size;
2686
2687 maxmem_str = qemu_opt_get(opts, "maxmem");
2688 slots_str = qemu_opt_get(opts, "slots");
2689 if (maxmem_str && slots_str) {
2690 uint64_t slots;
2691
2692 sz = qemu_opt_get_size(opts, "maxmem", 0);
2693 if (sz < ram_size) {
2694 error_report("invalid -m option value: maxmem "
2695 "(0x%" PRIx64 ") <= initial memory (0x"
2696 RAM_ADDR_FMT ")", sz, ram_size);
2697 exit(EXIT_FAILURE);
2698 }
2699
2700 slots = qemu_opt_get_number(opts, "slots", 0);
2701 if ((sz > ram_size) && !slots) {
2702 error_report("invalid -m option value: maxmem "
2703 "(0x%" PRIx64 ") more than initial memory (0x"
2704 RAM_ADDR_FMT ") but no hotplug slots where "
2705 "specified", sz, ram_size);
2706 exit(EXIT_FAILURE);
2707 }
2708
2709 if ((sz <= ram_size) && slots) {
2710 error_report("invalid -m option value: %"
2711 PRIu64 " hotplug slots where specified but "
2712 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
2713 RAM_ADDR_FMT ")", slots, sz, ram_size);
2714 exit(EXIT_FAILURE);
2715 }
2716 *maxram_size = sz;
2717 *ram_slots = slots;
2718 } else if ((!maxmem_str && slots_str) ||
2719 (maxmem_str && !slots_str)) {
2720 error_report("invalid -m option value: missing "
2721 "'%s' option", slots_str ? "maxmem" : "slots");
2722 exit(EXIT_FAILURE);
2723 }
2724 }
2725
2726 int main(int argc, char **argv, char **envp)
2727 {
2728 int i;
2729 int snapshot, linux_boot;
2730 const char *initrd_filename;
2731 const char *kernel_filename, *kernel_cmdline;
2732 const char *boot_order;
2733 DisplayState *ds;
2734 int cyls, heads, secs, translation;
2735 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2736 QemuOptsList *olist;
2737 int optind;
2738 const char *optarg;
2739 const char *loadvm = NULL;
2740 MachineClass *machine_class;
2741 const char *cpu_model;
2742 const char *vga_model = NULL;
2743 const char *qtest_chrdev = NULL;
2744 const char *qtest_log = NULL;
2745 const char *pid_file = NULL;
2746 const char *incoming = NULL;
2747 #ifdef CONFIG_VNC
2748 int show_vnc_port = 0;
2749 #endif
2750 bool defconfig = true;
2751 bool userconfig = true;
2752 const char *log_mask = NULL;
2753 const char *log_file = NULL;
2754 GMemVTable mem_trace = {
2755 .malloc = malloc_and_trace,
2756 .realloc = realloc_and_trace,
2757 .free = free_and_trace,
2758 };
2759 const char *trace_events = NULL;
2760 const char *trace_file = NULL;
2761 ram_addr_t maxram_size;
2762 uint64_t ram_slots = 0;
2763 FILE *vmstate_dump_file = NULL;
2764 Error *main_loop_err = NULL;
2765
2766 atexit(qemu_run_exit_notifiers);
2767 error_set_progname(argv[0]);
2768 qemu_init_exec_dir(argv[0]);
2769
2770 g_mem_set_vtable(&mem_trace);
2771
2772 module_call_init(MODULE_INIT_QOM);
2773
2774 qemu_add_opts(&qemu_drive_opts);
2775 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2776 qemu_add_drive_opts(&qemu_common_drive_opts);
2777 qemu_add_drive_opts(&qemu_drive_opts);
2778 qemu_add_opts(&qemu_chardev_opts);
2779 qemu_add_opts(&qemu_device_opts);
2780 qemu_add_opts(&qemu_netdev_opts);
2781 qemu_add_opts(&qemu_net_opts);
2782 qemu_add_opts(&qemu_rtc_opts);
2783 qemu_add_opts(&qemu_global_opts);
2784 qemu_add_opts(&qemu_mon_opts);
2785 qemu_add_opts(&qemu_trace_opts);
2786 qemu_add_opts(&qemu_option_rom_opts);
2787 qemu_add_opts(&qemu_machine_opts);
2788 qemu_add_opts(&qemu_mem_opts);
2789 qemu_add_opts(&qemu_smp_opts);
2790 qemu_add_opts(&qemu_boot_opts);
2791 qemu_add_opts(&qemu_sandbox_opts);
2792 qemu_add_opts(&qemu_add_fd_opts);
2793 qemu_add_opts(&qemu_object_opts);
2794 qemu_add_opts(&qemu_tpmdev_opts);
2795 qemu_add_opts(&qemu_realtime_opts);
2796 qemu_add_opts(&qemu_msg_opts);
2797 qemu_add_opts(&qemu_name_opts);
2798 qemu_add_opts(&qemu_numa_opts);
2799 qemu_add_opts(&qemu_icount_opts);
2800 qemu_add_opts(&qemu_semihosting_config_opts);
2801
2802 runstate_init();
2803
2804 rtc_clock = QEMU_CLOCK_HOST;
2805
2806 QLIST_INIT (&vm_change_state_head);
2807 os_setup_early_signal_handling();
2808
2809 module_call_init(MODULE_INIT_MACHINE);
2810 machine_class = find_default_machine();
2811 cpu_model = NULL;
2812 snapshot = 0;
2813 cyls = heads = secs = 0;
2814 translation = BIOS_ATA_TRANSLATION_AUTO;
2815
2816 nb_nics = 0;
2817
2818 bdrv_init_with_whitelist();
2819
2820 autostart = 1;
2821
2822 /* first pass of option parsing */
2823 optind = 1;
2824 while (optind < argc) {
2825 if (argv[optind][0] != '-') {
2826 /* disk image */
2827 optind++;
2828 } else {
2829 const QEMUOption *popt;
2830
2831 popt = lookup_opt(argc, argv, &optarg, &optind);
2832 switch (popt->index) {
2833 case QEMU_OPTION_nodefconfig:
2834 defconfig = false;
2835 break;
2836 case QEMU_OPTION_nouserconfig:
2837 userconfig = false;
2838 break;
2839 }
2840 }
2841 }
2842
2843 if (defconfig) {
2844 int ret;
2845 ret = qemu_read_default_config_files(userconfig);
2846 if (ret < 0) {
2847 exit(1);
2848 }
2849 }
2850
2851 /* second pass of option parsing */
2852 optind = 1;
2853 for(;;) {
2854 if (optind >= argc)
2855 break;
2856 if (argv[optind][0] != '-') {
2857 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2858 } else {
2859 const QEMUOption *popt;
2860
2861 popt = lookup_opt(argc, argv, &optarg, &optind);
2862 if (!(popt->arch_mask & arch_type)) {
2863 printf("Option %s not supported for this target\n", popt->name);
2864 exit(1);
2865 }
2866 switch(popt->index) {
2867 case QEMU_OPTION_no_kvm_irqchip: {
2868 olist = qemu_find_opts("machine");
2869 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2870 break;
2871 }
2872 case QEMU_OPTION_cpu:
2873 /* hw initialization will check this */
2874 cpu_model = optarg;
2875 break;
2876 case QEMU_OPTION_hda:
2877 {
2878 char buf[256];
2879 if (cyls == 0)
2880 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2881 else
2882 snprintf(buf, sizeof(buf),
2883 "%s,cyls=%d,heads=%d,secs=%d%s",
2884 HD_OPTS , cyls, heads, secs,
2885 translation == BIOS_ATA_TRANSLATION_LBA ?
2886 ",trans=lba" :
2887 translation == BIOS_ATA_TRANSLATION_NONE ?
2888 ",trans=none" : "");
2889 drive_add(IF_DEFAULT, 0, optarg, buf);
2890 break;
2891 }
2892 case QEMU_OPTION_hdb:
2893 case QEMU_OPTION_hdc:
2894 case QEMU_OPTION_hdd:
2895 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2896 HD_OPTS);
2897 break;
2898 case QEMU_OPTION_drive:
2899 if (drive_def(optarg) == NULL) {
2900 exit(1);
2901 }
2902 break;
2903 case QEMU_OPTION_set:
2904 if (qemu_set_option(optarg) != 0)
2905 exit(1);
2906 break;
2907 case QEMU_OPTION_global:
2908 if (qemu_global_option(optarg) != 0)
2909 exit(1);
2910 break;
2911 case QEMU_OPTION_mtdblock:
2912 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2913 break;
2914 case QEMU_OPTION_sd:
2915 drive_add(IF_SD, -1, optarg, SD_OPTS);
2916 break;
2917 case QEMU_OPTION_pflash:
2918 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2919 break;
2920 case QEMU_OPTION_snapshot:
2921 snapshot = 1;
2922 break;
2923 case QEMU_OPTION_hdachs:
2924 {
2925 const char *p;
2926 p = optarg;
2927 cyls = strtol(p, (char **)&p, 0);
2928 if (cyls < 1 || cyls > 16383)
2929 goto chs_fail;
2930 if (*p != ',')
2931 goto chs_fail;
2932 p++;
2933 heads = strtol(p, (char **)&p, 0);
2934 if (heads < 1 || heads > 16)
2935 goto chs_fail;
2936 if (*p != ',')
2937 goto chs_fail;
2938 p++;
2939 secs = strtol(p, (char **)&p, 0);
2940 if (secs < 1 || secs > 63)
2941 goto chs_fail;
2942 if (*p == ',') {
2943 p++;
2944 if (!strcmp(p, "large")) {
2945 translation = BIOS_ATA_TRANSLATION_LARGE;
2946 } else if (!strcmp(p, "rechs")) {
2947 translation = BIOS_ATA_TRANSLATION_RECHS;
2948 } else if (!strcmp(p, "none")) {
2949 translation = BIOS_ATA_TRANSLATION_NONE;
2950 } else if (!strcmp(p, "lba")) {
2951 translation = BIOS_ATA_TRANSLATION_LBA;
2952 } else if (!strcmp(p, "auto")) {
2953 translation = BIOS_ATA_TRANSLATION_AUTO;
2954 } else {
2955 goto chs_fail;
2956 }
2957 } else if (*p != '\0') {
2958 chs_fail:
2959 fprintf(stderr, "qemu: invalid physical CHS format\n");
2960 exit(1);
2961 }
2962 if (hda_opts != NULL) {
2963 char num[16];
2964 snprintf(num, sizeof(num), "%d", cyls);
2965 qemu_opt_set(hda_opts, "cyls", num);
2966 snprintf(num, sizeof(num), "%d", heads);
2967 qemu_opt_set(hda_opts, "heads", num);
2968 snprintf(num, sizeof(num), "%d", secs);
2969 qemu_opt_set(hda_opts, "secs", num);
2970 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2971 qemu_opt_set(hda_opts, "trans", "large");
2972 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2973 qemu_opt_set(hda_opts, "trans", "rechs");
2974 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2975 qemu_opt_set(hda_opts, "trans", "lba");
2976 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2977 qemu_opt_set(hda_opts, "trans", "none");
2978 }
2979 }
2980 }
2981 break;
2982 case QEMU_OPTION_numa:
2983 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2984 if (!opts) {
2985 exit(1);
2986 }
2987 break;
2988 case QEMU_OPTION_display:
2989 display_type = select_display(optarg);
2990 break;
2991 case QEMU_OPTION_nographic:
2992 display_type = DT_NOGRAPHIC;
2993 break;
2994 case QEMU_OPTION_curses:
2995 #ifdef CONFIG_CURSES
2996 display_type = DT_CURSES;
2997 #else
2998 fprintf(stderr, "Curses support is disabled\n");
2999 exit(1);
3000 #endif
3001 break;
3002 case QEMU_OPTION_portrait:
3003 graphic_rotate = 90;
3004 break;
3005 case QEMU_OPTION_rotate:
3006 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3007 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3008 graphic_rotate != 180 && graphic_rotate != 270) {
3009 fprintf(stderr,
3010 "qemu: only 90, 180, 270 deg rotation is available\n");
3011 exit(1);
3012 }
3013 break;
3014 case QEMU_OPTION_kernel:
3015 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3016 break;
3017 case QEMU_OPTION_initrd:
3018 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3019 break;
3020 case QEMU_OPTION_append:
3021 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3022 break;
3023 case QEMU_OPTION_dtb:
3024 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3025 break;
3026 case QEMU_OPTION_cdrom:
3027 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3028 break;
3029 case QEMU_OPTION_boot:
3030 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3031 if (!opts) {
3032 exit(1);
3033 }
3034 break;
3035 case QEMU_OPTION_fda:
3036 case QEMU_OPTION_fdb:
3037 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3038 optarg, FD_OPTS);
3039 break;
3040 case QEMU_OPTION_no_fd_bootchk:
3041 fd_bootchk = 0;
3042 break;
3043 case QEMU_OPTION_netdev:
3044 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3045 exit(1);
3046 }
3047 break;
3048 case QEMU_OPTION_net:
3049 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3050 exit(1);
3051 }
3052 break;
3053 #ifdef CONFIG_LIBISCSI
3054 case QEMU_OPTION_iscsi:
3055 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3056 if (!opts) {
3057 exit(1);
3058 }
3059 break;
3060 #endif
3061 #ifdef CONFIG_SLIRP
3062 case QEMU_OPTION_tftp:
3063 legacy_tftp_prefix = optarg;
3064 break;
3065 case QEMU_OPTION_bootp:
3066 legacy_bootp_filename = optarg;
3067 break;
3068 case QEMU_OPTION_redir:
3069 if (net_slirp_redir(optarg) < 0)
3070 exit(1);
3071 break;
3072 #endif
3073 case QEMU_OPTION_bt:
3074 add_device_config(DEV_BT, optarg);
3075 break;
3076 case QEMU_OPTION_audio_help:
3077 AUD_help ();
3078 exit (0);
3079 break;
3080 case QEMU_OPTION_soundhw:
3081 select_soundhw (optarg);
3082 break;
3083 case QEMU_OPTION_h:
3084 help(0);
3085 break;
3086 case QEMU_OPTION_version:
3087 version();
3088 exit(0);
3089 break;
3090 case QEMU_OPTION_m:
3091 opts = qemu_opts_parse(qemu_find_opts("memory"),
3092 optarg, 1);
3093 if (!opts) {
3094 exit(EXIT_FAILURE);
3095 }
3096 break;
3097 #ifdef CONFIG_TPM
3098 case QEMU_OPTION_tpmdev:
3099 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3100 exit(1);
3101 }
3102 break;
3103 #endif
3104 case QEMU_OPTION_mempath:
3105 mem_path = optarg;
3106 break;
3107 case QEMU_OPTION_mem_prealloc:
3108 mem_prealloc = 1;
3109 break;
3110 case QEMU_OPTION_d:
3111 log_mask = optarg;
3112 break;
3113 case QEMU_OPTION_D:
3114 log_file = optarg;
3115 break;
3116 case QEMU_OPTION_s:
3117 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3118 break;
3119 case QEMU_OPTION_gdb:
3120 add_device_config(DEV_GDB, optarg);
3121 break;
3122 case QEMU_OPTION_L:
3123 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3124 data_dir[data_dir_idx++] = optarg;
3125 }
3126 break;
3127 case QEMU_OPTION_bios:
3128 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3129 break;
3130 case QEMU_OPTION_singlestep:
3131 singlestep = 1;
3132 break;
3133 case QEMU_OPTION_S:
3134 autostart = 0;
3135 break;
3136 case QEMU_OPTION_k:
3137 keyboard_layout = optarg;
3138 break;
3139 case QEMU_OPTION_localtime:
3140 rtc_utc = 0;
3141 break;
3142 case QEMU_OPTION_vga:
3143 vga_model = optarg;
3144 default_vga = 0;
3145 break;
3146 case QEMU_OPTION_g:
3147 {
3148 const char *p;
3149 int w, h, depth;
3150 p = optarg;
3151 w = strtol(p, (char **)&p, 10);
3152 if (w <= 0) {
3153 graphic_error:
3154 fprintf(stderr, "qemu: invalid resolution or depth\n");
3155 exit(1);
3156 }
3157 if (*p != 'x')
3158 goto graphic_error;
3159 p++;
3160 h = strtol(p, (char **)&p, 10);
3161 if (h <= 0)
3162 goto graphic_error;
3163 if (*p == 'x') {
3164 p++;
3165 depth = strtol(p, (char **)&p, 10);
3166 if (depth != 8 && depth != 15 && depth != 16 &&
3167 depth != 24 && depth != 32)
3168 goto graphic_error;
3169 } else if (*p == '\0') {
3170 depth = graphic_depth;
3171 } else {
3172 goto graphic_error;
3173 }
3174
3175 graphic_width = w;
3176 graphic_height = h;
3177 graphic_depth = depth;
3178 }
3179 break;
3180 case QEMU_OPTION_echr:
3181 {
3182 char *r;
3183 term_escape_char = strtol(optarg, &r, 0);
3184 if (r == optarg)
3185 printf("Bad argument to echr\n");
3186 break;
3187 }
3188 case QEMU_OPTION_monitor:
3189 default_monitor = 0;
3190 if (strncmp(optarg, "none", 4)) {
3191 monitor_parse(optarg, "readline", false);
3192 }
3193 break;
3194 case QEMU_OPTION_qmp:
3195 monitor_parse(optarg, "control", false);
3196 default_monitor = 0;
3197 break;
3198 case QEMU_OPTION_qmp_pretty:
3199 monitor_parse(optarg, "control", true);
3200 default_monitor = 0;
3201 break;
3202 case QEMU_OPTION_mon:
3203 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3204 if (!opts) {
3205 exit(1);
3206 }
3207 default_monitor = 0;
3208 break;
3209 case QEMU_OPTION_chardev:
3210 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3211 if (!opts) {
3212 exit(1);
3213 }
3214 break;
3215 case QEMU_OPTION_fsdev:
3216 olist = qemu_find_opts("fsdev");
3217 if (!olist) {
3218 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3219 exit(1);
3220 }
3221 opts = qemu_opts_parse(olist, optarg, 1);
3222 if (!opts) {
3223 exit(1);
3224 }
3225 break;
3226 case QEMU_OPTION_virtfs: {
3227 QemuOpts *fsdev;
3228 QemuOpts *device;
3229 const char *writeout, *sock_fd, *socket;
3230
3231 olist = qemu_find_opts("virtfs");
3232 if (!olist) {
3233 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3234 exit(1);
3235 }
3236 opts = qemu_opts_parse(olist, optarg, 1);
3237 if (!opts) {
3238 exit(1);
3239 }
3240
3241 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3242 qemu_opt_get(opts, "mount_tag") == NULL) {
3243 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3244 exit(1);
3245 }
3246 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3247 qemu_opt_get(opts, "mount_tag"),
3248 1, NULL);
3249 if (!fsdev) {
3250 fprintf(stderr, "duplicate fsdev id: %s\n",
3251 qemu_opt_get(opts, "mount_tag"));
3252 exit(1);
3253 }
3254
3255 writeout = qemu_opt_get(opts, "writeout");
3256 if (writeout) {
3257 #ifdef CONFIG_SYNC_FILE_RANGE
3258 qemu_opt_set(fsdev, "writeout", writeout);
3259 #else
3260 fprintf(stderr, "writeout=immediate not supported on "
3261 "this platform\n");
3262 exit(1);
3263 #endif
3264 }
3265 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3266 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3267 qemu_opt_set(fsdev, "security_model",
3268 qemu_opt_get(opts, "security_model"));
3269 socket = qemu_opt_get(opts, "socket");
3270 if (socket) {
3271 qemu_opt_set(fsdev, "socket", socket);
3272 }
3273 sock_fd = qemu_opt_get(opts, "sock_fd");
3274 if (sock_fd) {
3275 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3276 }
3277
3278 qemu_opt_set_bool(fsdev, "readonly",
3279 qemu_opt_get_bool(opts, "readonly", 0));
3280 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3281 &error_abort);
3282 qemu_opt_set(device, "driver", "virtio-9p-pci");
3283 qemu_opt_set(device, "fsdev",
3284 qemu_opt_get(opts, "mount_tag"));
3285 qemu_opt_set(device, "mount_tag",
3286 qemu_opt_get(opts, "mount_tag"));
3287 break;
3288 }
3289 case QEMU_OPTION_virtfs_synth: {
3290 QemuOpts *fsdev;
3291 QemuOpts *device;
3292
3293 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3294 1, NULL);
3295 if (!fsdev) {
3296 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3297 exit(1);
3298 }
3299 qemu_opt_set(fsdev, "fsdriver", "synth");
3300
3301 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3302 &error_abort);
3303 qemu_opt_set(device, "driver", "virtio-9p-pci");
3304 qemu_opt_set(device, "fsdev", "v_synth");
3305 qemu_opt_set(device, "mount_tag", "v_synth");
3306 break;
3307 }
3308 case QEMU_OPTION_serial:
3309 add_device_config(DEV_SERIAL, optarg);
3310 default_serial = 0;
3311 if (strncmp(optarg, "mon:", 4) == 0) {
3312 default_monitor = 0;
3313 }
3314 break;
3315 case QEMU_OPTION_watchdog:
3316 if (watchdog) {
3317 fprintf(stderr,
3318 "qemu: only one watchdog option may be given\n");
3319 return 1;
3320 }
3321 watchdog = optarg;
3322 break;
3323 case QEMU_OPTION_watchdog_action:
3324 if (select_watchdog_action(optarg) == -1) {
3325 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3326 exit(1);
3327 }
3328 break;
3329 case QEMU_OPTION_virtiocon:
3330 add_device_config(DEV_VIRTCON, optarg);
3331 default_virtcon = 0;
3332 if (strncmp(optarg, "mon:", 4) == 0) {
3333 default_monitor = 0;
3334 }
3335 break;
3336 case QEMU_OPTION_parallel:
3337 add_device_config(DEV_PARALLEL, optarg);
3338 default_parallel = 0;
3339 if (strncmp(optarg, "mon:", 4) == 0) {
3340 default_monitor = 0;
3341 }
3342 break;
3343 case QEMU_OPTION_debugcon:
3344 add_device_config(DEV_DEBUGCON, optarg);
3345 break;
3346 case QEMU_OPTION_loadvm:
3347 loadvm = optarg;
3348 break;
3349 case QEMU_OPTION_full_screen:
3350 full_screen = 1;
3351 break;
3352 case QEMU_OPTION_no_frame:
3353 no_frame = 1;
3354 break;
3355 case QEMU_OPTION_alt_grab:
3356 alt_grab = 1;
3357 break;
3358 case QEMU_OPTION_ctrl_grab:
3359 ctrl_grab = 1;
3360 break;
3361 case QEMU_OPTION_no_quit:
3362 no_quit = 1;
3363 break;
3364 case QEMU_OPTION_sdl:
3365 #ifdef CONFIG_SDL
3366 display_type = DT_SDL;
3367 break;
3368 #else
3369 fprintf(stderr, "SDL support is disabled\n");
3370 exit(1);
3371 #endif
3372 case QEMU_OPTION_pidfile:
3373 pid_file = optarg;
3374 break;
3375 case QEMU_OPTION_win2k_hack:
3376 win2k_install_hack = 1;
3377 break;
3378 case QEMU_OPTION_rtc_td_hack: {
3379 static GlobalProperty slew_lost_ticks[] = {
3380 {
3381 .driver = "mc146818rtc",
3382 .property = "lost_tick_policy",
3383 .value = "slew",
3384 },
3385 { /* end of list */ }
3386 };
3387
3388 qdev_prop_register_global_list(slew_lost_ticks);
3389 break;
3390 }
3391 case QEMU_OPTION_acpitable:
3392 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3393 if (!opts) {
3394 exit(1);
3395 }
3396 do_acpitable_option(opts);
3397 break;
3398 case QEMU_OPTION_smbios:
3399 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3400 if (!opts) {
3401 exit(1);
3402 }
3403 do_smbios_option(opts);
3404 break;
3405 case QEMU_OPTION_enable_kvm:
3406 olist = qemu_find_opts("machine");
3407 qemu_opts_parse(olist, "accel=kvm", 0);
3408 break;
3409 case QEMU_OPTION_M:
3410 case QEMU_OPTION_machine:
3411 olist = qemu_find_opts("machine");
3412 opts = qemu_opts_parse(olist, optarg, 1);
3413 if (!opts) {
3414 exit(1);
3415 }
3416 break;
3417 case QEMU_OPTION_no_kvm:
3418 olist = qemu_find_opts("machine");
3419 qemu_opts_parse(olist, "accel=tcg", 0);
3420 break;
3421 case QEMU_OPTION_no_kvm_pit: {
3422 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3423 "separately.\n");
3424 break;
3425 }
3426 case QEMU_OPTION_no_kvm_pit_reinjection: {
3427 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3428 {
3429 .driver = "kvm-pit",
3430 .property = "lost_tick_policy",
3431 .value = "discard",
3432 },
3433 { /* end of list */ }
3434 };
3435
3436 fprintf(stderr, "Warning: option deprecated, use "
3437 "lost_tick_policy property of kvm-pit instead.\n");
3438 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3439 break;
3440 }
3441 case QEMU_OPTION_usb:
3442 olist = qemu_find_opts("machine");
3443 qemu_opts_parse(olist, "usb=on", 0);
3444 break;
3445 case QEMU_OPTION_usbdevice:
3446 olist = qemu_find_opts("machine");
3447 qemu_opts_parse(olist, "usb=on", 0);
3448 add_device_config(DEV_USB, optarg);
3449 break;
3450 case QEMU_OPTION_device:
3451 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3452 exit(1);
3453 }
3454 break;
3455 case QEMU_OPTION_smp:
3456 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3457 exit(1);
3458 }
3459 break;
3460 case QEMU_OPTION_vnc:
3461 #ifdef CONFIG_VNC
3462 display_remote++;
3463 if (vnc_parse_func(optarg) == NULL) {
3464 exit(1);
3465 }
3466 #else
3467 fprintf(stderr, "VNC support is disabled\n");
3468 exit(1);
3469 #endif
3470 break;
3471 case QEMU_OPTION_no_acpi:
3472 acpi_enabled = 0;
3473 break;
3474 case QEMU_OPTION_no_hpet:
3475 no_hpet = 1;
3476 break;
3477 case QEMU_OPTION_balloon:
3478 if (balloon_parse(optarg) < 0) {
3479 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3480 exit(1);
3481 }
3482 break;
3483 case QEMU_OPTION_no_reboot:
3484 no_reboot = 1;
3485 break;
3486 case QEMU_OPTION_no_shutdown:
3487 no_shutdown = 1;
3488 break;
3489 case QEMU_OPTION_show_cursor:
3490 cursor_hide = 0;
3491 break;
3492 case QEMU_OPTION_uuid:
3493 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3494 fprintf(stderr, "Fail to parse UUID string."
3495 " Wrong format.\n");
3496 exit(1);
3497 }
3498 qemu_uuid_set = true;
3499 break;
3500 case QEMU_OPTION_option_rom:
3501 if (nb_option_roms >= MAX_OPTION_ROMS) {
3502 fprintf(stderr, "Too many option ROMs\n");
3503 exit(1);
3504 }
3505 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3506 if (!opts) {
3507 exit(1);
3508 }
3509 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3510 option_rom[nb_option_roms].bootindex =
3511 qemu_opt_get_number(opts, "bootindex", -1);
3512 if (!option_rom[nb_option_roms].name) {
3513 fprintf(stderr, "Option ROM file is not specified\n");
3514 exit(1);
3515 }
3516 nb_option_roms++;
3517 break;
3518 case QEMU_OPTION_semihosting:
3519 semihosting_enabled = 1;
3520 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3521 break;
3522 case QEMU_OPTION_semihosting_config:
3523 semihosting_enabled = 1;
3524 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3525 optarg, 0);
3526 if (opts != NULL) {
3527 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3528 true);
3529 const char *target = qemu_opt_get(opts, "target");
3530 if (target != NULL) {
3531 if (strcmp("native", target) == 0) {
3532 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3533 } else if (strcmp("gdb", target) == 0) {
3534 semihosting_target = SEMIHOSTING_TARGET_GDB;
3535 } else if (strcmp("auto", target) == 0) {
3536 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3537 } else {
3538 fprintf(stderr, "Unsupported semihosting-config"
3539 " %s\n",
3540 optarg);
3541 exit(1);
3542 }
3543 } else {
3544 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3545 }
3546 } else {
3547 fprintf(stderr, "Unsupported semihosting-config %s\n",
3548 optarg);
3549 exit(1);
3550 }
3551 break;
3552 case QEMU_OPTION_tdf:
3553 fprintf(stderr, "Warning: user space PIT time drift fix "
3554 "is no longer supported.\n");
3555 break;
3556 case QEMU_OPTION_name:
3557 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3558 if (!opts) {
3559 exit(1);
3560 }
3561 break;
3562 case QEMU_OPTION_prom_env:
3563 if (nb_prom_envs >= MAX_PROM_ENVS) {
3564 fprintf(stderr, "Too many prom variables\n");
3565 exit(1);
3566 }
3567 prom_envs[nb_prom_envs] = optarg;
3568 nb_prom_envs++;
3569 break;
3570 case QEMU_OPTION_old_param:
3571 old_param = 1;
3572 break;
3573 case QEMU_OPTION_clock:
3574 /* Clock options no longer exist. Keep this option for
3575 * backward compatibility.
3576 */
3577 break;
3578 case QEMU_OPTION_startdate:
3579 configure_rtc_date_offset(optarg, 1);
3580 break;
3581 case QEMU_OPTION_rtc:
3582 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3583 if (!opts) {
3584 exit(1);
3585 }
3586 configure_rtc(opts);
3587 break;
3588 case QEMU_OPTION_tb_size:
3589 tcg_tb_size = strtol(optarg, NULL, 0);
3590 if (tcg_tb_size < 0) {
3591 tcg_tb_size = 0;
3592 }
3593 break;
3594 case QEMU_OPTION_icount:
3595 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3596 optarg, 1);
3597 if (!icount_opts) {
3598 exit(1);
3599 }
3600 break;
3601 case QEMU_OPTION_incoming:
3602 incoming = optarg;
3603 runstate_set(RUN_STATE_INMIGRATE);
3604 break;
3605 case QEMU_OPTION_nodefaults:
3606 has_defaults = 0;
3607 break;
3608 case QEMU_OPTION_xen_domid:
3609 if (!(xen_available())) {
3610 printf("Option %s not supported for this target\n", popt->name);
3611 exit(1);
3612 }
3613 xen_domid = atoi(optarg);
3614 break;
3615 case QEMU_OPTION_xen_create:
3616 if (!(xen_available())) {
3617 printf("Option %s not supported for this target\n", popt->name);
3618 exit(1);
3619 }
3620 xen_mode = XEN_CREATE;
3621 break;
3622 case QEMU_OPTION_xen_attach:
3623 if (!(xen_available())) {
3624 printf("Option %s not supported for this target\n", popt->name);
3625 exit(1);
3626 }
3627 xen_mode = XEN_ATTACH;
3628 break;
3629 case QEMU_OPTION_trace:
3630 {
3631 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3632 if (!opts) {
3633 exit(1);
3634 }
3635 trace_events = qemu_opt_get(opts, "events");
3636 trace_file = qemu_opt_get(opts, "file");
3637 break;
3638 }
3639 case QEMU_OPTION_readconfig:
3640 {
3641 int ret = qemu_read_config_file(optarg);
3642 if (ret < 0) {
3643 fprintf(stderr, "read config %s: %s\n", optarg,
3644 strerror(-ret));
3645 exit(1);
3646 }
3647 break;
3648 }
3649 case QEMU_OPTION_spice:
3650 olist = qemu_find_opts("spice");
3651 if (!olist) {
3652 fprintf(stderr, "spice is not supported by this qemu build.\n");
3653 exit(1);
3654 }
3655 opts = qemu_opts_parse(olist, optarg, 0);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 display_remote++;
3660 break;
3661 case QEMU_OPTION_writeconfig:
3662 {
3663 FILE *fp;
3664 if (strcmp(optarg, "-") == 0) {
3665 fp = stdout;
3666 } else {
3667 fp = fopen(optarg, "w");
3668 if (fp == NULL) {
3669 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3670 exit(1);
3671 }
3672 }
3673 qemu_config_write(fp);
3674 if (fp != stdout) {
3675 fclose(fp);
3676 }
3677 break;
3678 }
3679 case QEMU_OPTION_qtest:
3680 qtest_chrdev = optarg;
3681 break;
3682 case QEMU_OPTION_qtest_log:
3683 qtest_log = optarg;
3684 break;
3685 case QEMU_OPTION_sandbox:
3686 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_add_fd:
3692 #ifndef _WIN32
3693 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3694 if (!opts) {
3695 exit(1);
3696 }
3697 #else
3698 error_report("File descriptor passing is disabled on this "
3699 "platform");
3700 exit(1);
3701 #endif
3702 break;
3703 case QEMU_OPTION_object:
3704 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3705 if (!opts) {
3706 exit(1);
3707 }
3708 break;
3709 case QEMU_OPTION_realtime:
3710 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3715 break;
3716 case QEMU_OPTION_msg:
3717 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3718 if (!opts) {
3719 exit(1);
3720 }
3721 configure_msg(opts);
3722 break;
3723 case QEMU_OPTION_dump_vmstate:
3724 if (vmstate_dump_file) {
3725 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3726 "option may be given\n");
3727 exit(1);
3728 }
3729 vmstate_dump_file = fopen(optarg, "w");
3730 if (vmstate_dump_file == NULL) {
3731 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3732 exit(1);
3733 }
3734 break;
3735 default:
3736 os_parse_cmd_args(popt->index, optarg);
3737 }
3738 }
3739 }
3740
3741 opts = qemu_get_machine_opts();
3742 optarg = qemu_opt_get(opts, "type");
3743 if (optarg) {
3744 machine_class = machine_parse(optarg);
3745 }
3746
3747 set_memory_options(&ram_slots, &maxram_size);
3748
3749 loc_set_none();
3750
3751 os_daemonize();
3752
3753 if (qemu_init_main_loop(&main_loop_err)) {
3754 error_report_err(main_loop_err);
3755 exit(1);
3756 }
3757
3758 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3759 exit(1);
3760 }
3761
3762 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3763 exit(1);
3764 }
3765
3766 #ifndef _WIN32
3767 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3768 exit(1);
3769 }
3770
3771 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3772 exit(1);
3773 }
3774 #endif
3775
3776 if (machine_class == NULL) {
3777 fprintf(stderr, "No machine specified, and there is no default.\n"
3778 "Use -machine help to list supported machines!\n");
3779 exit(1);
3780 }
3781
3782 current_machine = MACHINE(object_new(object_class_get_name(
3783 OBJECT_CLASS(machine_class))));
3784 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3785 exit(0);
3786 }
3787 object_property_add_child(object_get_root(), "machine",
3788 OBJECT(current_machine), &error_abort);
3789 cpu_exec_init_all();
3790
3791 if (machine_class->hw_version) {
3792 qemu_set_version(machine_class->hw_version);
3793 }
3794
3795 /* Init CPU def lists, based on config
3796 * - Must be called after all the qemu_read_config_file() calls
3797 * - Must be called before list_cpus()
3798 * - Must be called before machine->init()
3799 */
3800 cpudef_init();
3801
3802 if (cpu_model && is_help_option(cpu_model)) {
3803 list_cpus(stdout, &fprintf, cpu_model);
3804 exit(0);
3805 }
3806
3807 /* Open the logfile at this point, if necessary. We can't open the logfile
3808 * when encountering either of the logging options (-d or -D) because the
3809 * other one may be encountered later on the command line, changing the
3810 * location or level of logging.
3811 */
3812 if (log_mask) {
3813 int mask;
3814 if (log_file) {
3815 qemu_set_log_filename(log_file);
3816 }
3817
3818 mask = qemu_str_to_log_mask(log_mask);
3819 if (!mask) {
3820 qemu_print_log_usage(stdout);
3821 exit(1);
3822 }
3823 qemu_set_log(mask);
3824 }
3825
3826 if (!is_daemonized()) {
3827 if (!trace_init_backends(trace_events, trace_file)) {
3828 exit(1);
3829 }
3830 }
3831
3832 /* If no data_dir is specified then try to find it relative to the
3833 executable path. */
3834 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3835 data_dir[data_dir_idx] = os_find_datadir();
3836 if (data_dir[data_dir_idx] != NULL) {
3837 data_dir_idx++;
3838 }
3839 }
3840 /* If all else fails use the install path specified when building. */
3841 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3842 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3843 }
3844
3845 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3846
3847 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3848 if (max_cpus > machine_class->max_cpus) {
3849 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3850 "supported by machine `%s' (%d)\n", max_cpus,
3851 machine_class->name, machine_class->max_cpus);
3852 exit(1);
3853 }
3854
3855 /*
3856 * Get the default machine options from the machine if it is not already
3857 * specified either by the configuration file or by the command line.
3858 */
3859 if (machine_class->default_machine_opts) {
3860 qemu_opts_set_defaults(qemu_find_opts("machine"),
3861 machine_class->default_machine_opts, 0);
3862 }
3863
3864 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3865 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3866
3867 if (!vga_model && !default_vga) {
3868 vga_interface_type = VGA_DEVICE;
3869 }
3870 if (!has_defaults || machine_class->no_serial) {
3871 default_serial = 0;
3872 }
3873 if (!has_defaults || machine_class->no_parallel) {
3874 default_parallel = 0;
3875 }
3876 if (!has_defaults || !machine_class->use_virtcon) {
3877 default_virtcon = 0;
3878 }
3879 if (!has_defaults || !machine_class->use_sclp) {
3880 default_sclp = 0;
3881 }
3882 if (!has_defaults || machine_class->no_floppy) {
3883 default_floppy = 0;
3884 }
3885 if (!has_defaults || machine_class->no_cdrom) {
3886 default_cdrom = 0;
3887 }
3888 if (!has_defaults || machine_class->no_sdcard) {
3889 default_sdcard = 0;
3890 }
3891 if (!has_defaults) {
3892 default_monitor = 0;
3893 default_net = 0;
3894 default_vga = 0;
3895 }
3896
3897 if (is_daemonized()) {
3898 /* According to documentation and historically, -nographic redirects
3899 * serial port, parallel port and monitor to stdio, which does not work
3900 * with -daemonize. We can redirect these to null instead, but since
3901 * -nographic is legacy, let's just error out.
3902 * We disallow -nographic only if all other ports are not redirected
3903 * explicitly, to not break existing legacy setups which uses
3904 * -nographic _and_ redirects all ports explicitly - this is valid
3905 * usage, -nographic is just a no-op in this case.
3906 */
3907 if (display_type == DT_NOGRAPHIC
3908 && (default_parallel || default_serial
3909 || default_monitor || default_virtcon)) {
3910 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3911 exit(1);
3912 }
3913 #ifdef CONFIG_CURSES
3914 if (display_type == DT_CURSES) {
3915 fprintf(stderr, "curses display can not be used with -daemonize\n");
3916 exit(1);
3917 }
3918 #endif
3919 }
3920
3921 if (display_type == DT_NOGRAPHIC) {
3922 if (default_parallel)
3923 add_device_config(DEV_PARALLEL, "null");
3924 if (default_serial && default_monitor) {
3925 add_device_config(DEV_SERIAL, "mon:stdio");
3926 } else if (default_virtcon && default_monitor) {
3927 add_device_config(DEV_VIRTCON, "mon:stdio");
3928 } else if (default_sclp && default_monitor) {
3929 add_device_config(DEV_SCLP, "mon:stdio");
3930 } else {
3931 if (default_serial)
3932 add_device_config(DEV_SERIAL, "stdio");
3933 if (default_virtcon)
3934 add_device_config(DEV_VIRTCON, "stdio");
3935 if (default_sclp) {
3936 add_device_config(DEV_SCLP, "stdio");
3937 }
3938 if (default_monitor)
3939 monitor_parse("stdio", "readline", false);
3940 }
3941 } else {
3942 if (default_serial)
3943 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3944 if (default_parallel)
3945 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3946 if (default_monitor)
3947 monitor_parse("vc:80Cx24C", "readline", false);
3948 if (default_virtcon)
3949 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3950 if (default_sclp) {
3951 add_device_config(DEV_SCLP, "vc:80Cx24C");
3952 }
3953 }
3954
3955 if (display_type == DT_DEFAULT && !display_remote) {
3956 #if defined(CONFIG_GTK)
3957 display_type = DT_GTK;
3958 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3959 display_type = DT_SDL;
3960 #elif defined(CONFIG_VNC)
3961 vnc_parse_func("localhost:0,to=99,id=default");
3962 show_vnc_port = 1;
3963 #else
3964 display_type = DT_NONE;
3965 #endif
3966 }
3967
3968 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3969 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3970 "for SDL, ignoring option\n");
3971 }
3972 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3973 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3974 "ignoring option\n");
3975 }
3976
3977 #if defined(CONFIG_GTK)
3978 if (display_type == DT_GTK) {
3979 early_gtk_display_init();
3980 }
3981 #endif
3982
3983 socket_init();
3984
3985 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3986 exit(1);
3987 #ifdef CONFIG_VIRTFS
3988 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3989 exit(1);
3990 }
3991 #endif
3992
3993 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3994 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3995 exit(1);
3996 }
3997
3998 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3999 != 0) {
4000 exit(0);
4001 }
4002
4003 if (qemu_opts_foreach(qemu_find_opts("object"),
4004 object_create, NULL, 0) != 0) {
4005 exit(1);
4006 }
4007
4008 machine_opts = qemu_get_machine_opts();
4009 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4010 1) < 0) {
4011 object_unref(OBJECT(current_machine));
4012 exit(1);
4013 }
4014
4015 configure_accelerator(current_machine);
4016
4017 if (qtest_chrdev) {
4018 Error *local_err = NULL;
4019 qtest_init(qtest_chrdev, qtest_log, &local_err);
4020 if (local_err) {
4021 error_report_err(local_err);
4022 exit(1);
4023 }
4024 }
4025
4026 machine_opts = qemu_get_machine_opts();
4027 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4028 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4029 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4030 bios_name = qemu_opt_get(machine_opts, "firmware");
4031
4032 boot_order = machine_class->default_boot_order;
4033 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4034 if (opts) {
4035 char *normal_boot_order;
4036 const char *order, *once;
4037 Error *local_err = NULL;
4038
4039 order = qemu_opt_get(opts, "order");
4040 if (order) {
4041 validate_bootdevices(order, &local_err);
4042 if (local_err) {
4043 error_report_err(local_err);
4044 exit(1);
4045 }
4046 boot_order = order;
4047 }
4048
4049 once = qemu_opt_get(opts, "once");
4050 if (once) {
4051 validate_bootdevices(once, &local_err);
4052 if (local_err) {
4053 error_report_err(local_err);
4054 exit(1);
4055 }
4056 normal_boot_order = g_strdup(boot_order);
4057 boot_order = once;
4058 qemu_register_reset(restore_boot_order, normal_boot_order);
4059 }
4060
4061 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4062 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4063 }
4064
4065 if (!kernel_cmdline) {
4066 kernel_cmdline = "";
4067 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4068 }
4069
4070 linux_boot = (kernel_filename != NULL);
4071
4072 if (!linux_boot && *kernel_cmdline != '\0') {
4073 fprintf(stderr, "-append only allowed with -kernel option\n");
4074 exit(1);
4075 }
4076
4077 if (!linux_boot && initrd_filename != NULL) {
4078 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4079 exit(1);
4080 }
4081
4082 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4083 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4084 exit(1);
4085 }
4086
4087 os_set_line_buffering();
4088
4089 qemu_init_cpu_loop();
4090 qemu_mutex_lock_iothread();
4091
4092 #ifdef CONFIG_SPICE
4093 /* spice needs the timers to be initialized by this point */
4094 qemu_spice_init();
4095 #endif
4096
4097 cpu_ticks_init();
4098 if (icount_opts) {
4099 if (kvm_enabled() || xen_enabled()) {
4100 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4101 exit(1);
4102 }
4103 configure_icount(icount_opts, &error_abort);
4104 qemu_opts_del(icount_opts);
4105 }
4106
4107 /* clean up network at qemu process termination */
4108 atexit(&net_cleanup);
4109
4110 if (net_init_clients() < 0) {
4111 exit(1);
4112 }
4113
4114 #ifdef CONFIG_TPM
4115 if (tpm_init() < 0) {
4116 exit(1);
4117 }
4118 #endif
4119
4120 /* init the bluetooth world */
4121 if (foreach_device_config(DEV_BT, bt_parse))
4122 exit(1);
4123
4124 if (!xen_enabled()) {
4125 /* On 32-bit hosts, QEMU is limited by virtual address space */
4126 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4127 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4128 exit(1);
4129 }
4130 }
4131
4132 blk_mig_init();
4133 ram_mig_init();
4134
4135 /* If the currently selected machine wishes to override the units-per-bus
4136 * property of its default HBA interface type, do so now. */
4137 if (machine_class->units_per_default_bus) {
4138 override_max_devs(machine_class->block_default_type,
4139 machine_class->units_per_default_bus);
4140 }
4141
4142 /* open the virtual block devices */
4143 if (snapshot)
4144 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4145 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4146 &machine_class->block_default_type, 1) != 0) {
4147 exit(1);
4148 }
4149
4150 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4151 CDROM_OPTS);
4152 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4153 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4154
4155 parse_numa_opts();
4156
4157 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4158 exit(1);
4159 }
4160
4161 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4162 exit(1);
4163 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4164 exit(1);
4165 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4166 exit(1);
4167 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4168 exit(1);
4169 }
4170 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4171 exit(1);
4172
4173 /* If no default VGA is requested, the default is "none". */
4174 if (default_vga) {
4175 if (machine_class->default_display) {
4176 vga_model = machine_class->default_display;
4177 } else if (cirrus_vga_available()) {
4178 vga_model = "cirrus";
4179 } else if (vga_available()) {
4180 vga_model = "std";
4181 }
4182 }
4183 if (vga_model) {
4184 select_vgahw(vga_model);
4185 }
4186
4187 if (watchdog) {
4188 i = select_watchdog(watchdog);
4189 if (i > 0)
4190 exit (i == 1 ? 1 : 0);
4191 }
4192
4193 if (machine_class->compat_props) {
4194 qdev_prop_register_global_list(machine_class->compat_props);
4195 }
4196 qemu_add_globals();
4197
4198 qdev_machine_init();
4199
4200 current_machine->ram_size = ram_size;
4201 current_machine->maxram_size = maxram_size;
4202 current_machine->ram_slots = ram_slots;
4203 current_machine->boot_order = boot_order;
4204 current_machine->cpu_model = cpu_model;
4205
4206 machine_class->init(current_machine);
4207
4208 realtime_init();
4209
4210 audio_init();
4211
4212 cpu_synchronize_all_post_init();
4213
4214 numa_post_machine_init();
4215
4216 /* init USB devices */
4217 if (usb_enabled()) {
4218 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4219 exit(1);
4220 }
4221
4222 /* init generic devices */
4223 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4224 exit(1);
4225
4226 /* Did we create any drives that we failed to create a device for? */
4227 drive_check_orphaned();
4228
4229 net_check_clients();
4230
4231 ds = init_displaystate();
4232
4233 /* init local displays */
4234 switch (display_type) {
4235 case DT_NOGRAPHIC:
4236 (void)ds; /* avoid warning if no display is configured */
4237 break;
4238 #if defined(CONFIG_CURSES)
4239 case DT_CURSES:
4240 curses_display_init(ds, full_screen);
4241 break;
4242 #endif
4243 #if defined(CONFIG_SDL)
4244 case DT_SDL:
4245 sdl_display_init(ds, full_screen, no_frame);
4246 break;
4247 #elif defined(CONFIG_COCOA)
4248 case DT_SDL:
4249 cocoa_display_init(ds, full_screen);
4250 break;
4251 #endif
4252 #if defined(CONFIG_GTK)
4253 case DT_GTK:
4254 gtk_display_init(ds, full_screen, grab_on_hover);
4255 break;
4256 #endif
4257 default:
4258 break;
4259 }
4260
4261 /* must be after terminal init, SDL library changes signal handlers */
4262 os_setup_signal_handling();
4263
4264 #ifdef CONFIG_VNC
4265 /* init remote displays */
4266 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4267 if (show_vnc_port) {
4268 printf("VNC server running on `%s'\n",
4269 vnc_display_local_addr("default"));
4270 }
4271 #endif
4272 #ifdef CONFIG_SPICE
4273 if (using_spice) {
4274 qemu_spice_display_init();
4275 }
4276 #endif
4277
4278 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4279 exit(1);
4280 }
4281
4282 qdev_machine_creation_done();
4283
4284 if (rom_load_all() != 0) {
4285 fprintf(stderr, "rom loading failed\n");
4286 exit(1);
4287 }
4288
4289 /* TODO: once all bus devices are qdevified, this should be done
4290 * when bus is created by qdev.c */
4291 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4292 qemu_run_machine_init_done_notifiers();
4293
4294 /* Done notifiers can load ROMs */
4295 rom_load_done();
4296
4297 qemu_system_reset(VMRESET_SILENT);
4298 if (loadvm) {
4299 if (load_vmstate(loadvm) < 0) {
4300 autostart = 0;
4301 }
4302 }
4303
4304 qdev_prop_check_globals();
4305 if (vmstate_dump_file) {
4306 /* dump and exit */
4307 dump_vmstate_json_to_file(vmstate_dump_file);
4308 return 0;
4309 }
4310
4311 if (incoming) {
4312 Error *local_err = NULL;
4313 qemu_start_incoming_migration(incoming, &local_err);
4314 if (local_err) {
4315 error_report("-incoming %s: %s", incoming,
4316 error_get_pretty(local_err));
4317 error_free(local_err);
4318 exit(1);
4319 }
4320 } else if (autostart) {
4321 vm_start();
4322 }
4323
4324 os_setup_post();
4325
4326 if (is_daemonized()) {
4327 if (!trace_init_backends(trace_events, trace_file)) {
4328 exit(1);
4329 }
4330 }
4331
4332 main_loop();
4333 bdrv_close_all();
4334 pause_all_vcpus();
4335 res_free();
4336 #ifdef CONFIG_TPM
4337 tpm_cleanup();
4338 #endif
4339
4340 return 0;
4341 }
AR7 emulation for QEMU