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cpu: Add missing documentation for some CPUClass methods
[qemu.git] / vl.c
blobb47e223a49269d596ad4d3794db83070b835354f
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 static time_t qemu_time(void)
711 {
712 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
713 }
714
715 /***********************************************************/
716 /* host time/date access */
717 void qemu_get_timedate(struct tm *tm, int offset)
718 {
719 time_t ti = qemu_time();
720
721 ti += offset;
722 if (rtc_date_offset == -1) {
723 if (rtc_utc)
724 gmtime_r(&ti, tm);
725 else
726 localtime_r(&ti, tm);
727 } else {
728 ti -= rtc_date_offset;
729 gmtime_r(&ti, tm);
730 }
731 }
732
733 int qemu_timedate_diff(struct tm *tm)
734 {
735 time_t seconds;
736
737 if (rtc_date_offset == -1)
738 if (rtc_utc)
739 seconds = mktimegm(tm);
740 else {
741 struct tm tmp = *tm;
742 tmp.tm_isdst = -1; /* use timezone to figure it out */
743 seconds = mktime(&tmp);
744 }
745 else
746 seconds = mktimegm(tm) + rtc_date_offset;
747
748 return seconds - qemu_time();
749 }
750
751 static void configure_rtc_date_offset(const char *startdate, int legacy)
752 {
753 time_t rtc_start_date;
754 struct tm tm;
755
756 if (!strcmp(startdate, "now") && legacy) {
757 rtc_date_offset = -1;
758 } else {
759 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
760 &tm.tm_year,
761 &tm.tm_mon,
762 &tm.tm_mday,
763 &tm.tm_hour,
764 &tm.tm_min,
765 &tm.tm_sec) == 6) {
766 /* OK */
767 } else if (sscanf(startdate, "%d-%d-%d",
768 &tm.tm_year,
769 &tm.tm_mon,
770 &tm.tm_mday) == 3) {
771 tm.tm_hour = 0;
772 tm.tm_min = 0;
773 tm.tm_sec = 0;
774 } else {
775 goto date_fail;
776 }
777 tm.tm_year -= 1900;
778 tm.tm_mon--;
779 rtc_start_date = mktimegm(&tm);
780 if (rtc_start_date == -1) {
781 date_fail:
782 fprintf(stderr, "Invalid date format. Valid formats are:\n"
783 "'2006-06-17T16:01:21' or '2006-06-17'\n");
784 exit(1);
785 }
786 rtc_date_offset = qemu_time() - rtc_start_date;
787 }
788 }
789
790 static void configure_rtc(QemuOpts *opts)
791 {
792 const char *value;
793
794 value = qemu_opt_get(opts, "base");
795 if (value) {
796 if (!strcmp(value, "utc")) {
797 rtc_utc = 1;
798 } else if (!strcmp(value, "localtime")) {
799 rtc_utc = 0;
800 } else {
801 configure_rtc_date_offset(value, 0);
802 }
803 }
804 value = qemu_opt_get(opts, "clock");
805 if (value) {
806 if (!strcmp(value, "host")) {
807 rtc_clock = QEMU_CLOCK_HOST;
808 } else if (!strcmp(value, "rt")) {
809 rtc_clock = QEMU_CLOCK_REALTIME;
810 } else if (!strcmp(value, "vm")) {
811 rtc_clock = QEMU_CLOCK_VIRTUAL;
812 } else {
813 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
814 exit(1);
815 }
816 }
817 value = qemu_opt_get(opts, "driftfix");
818 if (value) {
819 if (!strcmp(value, "slew")) {
820 static GlobalProperty slew_lost_ticks[] = {
821 {
822 .driver = "mc146818rtc",
823 .property = "lost_tick_policy",
824 .value = "slew",
825 },
826 { /* end of list */ }
827 };
828
829 qdev_prop_register_global_list(slew_lost_ticks);
830 } else if (!strcmp(value, "none")) {
831 /* discard is default */
832 } else {
833 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
834 exit(1);
835 }
836 }
837 }
838
839 /***********************************************************/
840 /* Bluetooth support */
841 static int nb_hcis;
842 static int cur_hci;
843 static struct HCIInfo *hci_table[MAX_NICS];
844
845 struct HCIInfo *qemu_next_hci(void)
846 {
847 if (cur_hci == nb_hcis)
848 return &null_hci;
849
850 return hci_table[cur_hci++];
851 }
852
853 static int bt_hci_parse(const char *str)
854 {
855 struct HCIInfo *hci;
856 bdaddr_t bdaddr;
857
858 if (nb_hcis >= MAX_NICS) {
859 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
860 return -1;
861 }
862
863 hci = hci_init(str);
864 if (!hci)
865 return -1;
866
867 bdaddr.b[0] = 0x52;
868 bdaddr.b[1] = 0x54;
869 bdaddr.b[2] = 0x00;
870 bdaddr.b[3] = 0x12;
871 bdaddr.b[4] = 0x34;
872 bdaddr.b[5] = 0x56 + nb_hcis;
873 hci->bdaddr_set(hci, bdaddr.b);
874
875 hci_table[nb_hcis++] = hci;
876
877 return 0;
878 }
879
880 static void bt_vhci_add(int vlan_id)
881 {
882 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
883
884 if (!vlan->slave)
885 fprintf(stderr, "qemu: warning: adding a VHCI to "
886 "an empty scatternet %i\n", vlan_id);
887
888 bt_vhci_init(bt_new_hci(vlan));
889 }
890
891 static struct bt_device_s *bt_device_add(const char *opt)
892 {
893 struct bt_scatternet_s *vlan;
894 int vlan_id = 0;
895 char *endp = strstr(opt, ",vlan=");
896 int len = (endp ? endp - opt : strlen(opt)) + 1;
897 char devname[10];
898
899 pstrcpy(devname, MIN(sizeof(devname), len), opt);
900
901 if (endp) {
902 vlan_id = strtol(endp + 6, &endp, 0);
903 if (*endp) {
904 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
905 return 0;
906 }
907 }
908
909 vlan = qemu_find_bt_vlan(vlan_id);
910
911 if (!vlan->slave)
912 fprintf(stderr, "qemu: warning: adding a slave device to "
913 "an empty scatternet %i\n", vlan_id);
914
915 if (!strcmp(devname, "keyboard"))
916 return bt_keyboard_init(vlan);
917
918 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
919 return 0;
920 }
921
922 static int bt_parse(const char *opt)
923 {
924 const char *endp, *p;
925 int vlan;
926
927 if (strstart(opt, "hci", &endp)) {
928 if (!*endp || *endp == ',') {
929 if (*endp)
930 if (!strstart(endp, ",vlan=", 0))
931 opt = endp + 1;
932
933 return bt_hci_parse(opt);
934 }
935 } else if (strstart(opt, "vhci", &endp)) {
936 if (!*endp || *endp == ',') {
937 if (*endp) {
938 if (strstart(endp, ",vlan=", &p)) {
939 vlan = strtol(p, (char **) &endp, 0);
940 if (*endp) {
941 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
942 return 1;
943 }
944 } else {
945 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
946 return 1;
947 }
948 } else
949 vlan = 0;
950
951 bt_vhci_add(vlan);
952 return 0;
953 }
954 } else if (strstart(opt, "device:", &endp))
955 return !bt_device_add(endp);
956
957 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
958 return 1;
959 }
960
961 static int parse_sandbox(QemuOpts *opts, void *opaque)
962 {
963 /* FIXME: change this to true for 1.3 */
964 if (qemu_opt_get_bool(opts, "enable", false)) {
965 #ifdef CONFIG_SECCOMP
966 if (seccomp_start() < 0) {
967 qerror_report(ERROR_CLASS_GENERIC_ERROR,
968 "failed to install seccomp syscall filter in the kernel");
969 return -1;
970 }
971 #else
972 qerror_report(ERROR_CLASS_GENERIC_ERROR,
973 "sandboxing request but seccomp is not compiled into this build");
974 return -1;
975 #endif
976 }
977
978 return 0;
979 }
980
981 static int parse_name(QemuOpts *opts, void *opaque)
982 {
983 const char *proc_name;
984
985 if (qemu_opt_get(opts, "debug-threads")) {
986 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
987 }
988 qemu_name = qemu_opt_get(opts, "guest");
989
990 proc_name = qemu_opt_get(opts, "process");
991 if (proc_name) {
992 os_set_proc_name(proc_name);
993 }
994
995 return 0;
996 }
997
998 bool defaults_enabled(void)
999 {
1000 return has_defaults;
1001 }
1002
1003 bool usb_enabled(void)
1004 {
1005 return machine_usb(current_machine);
1006 }
1007
1008 #ifndef _WIN32
1009 static int parse_add_fd(QemuOpts *opts, void *opaque)
1010 {
1011 int fd, dupfd, flags;
1012 int64_t fdset_id;
1013 const char *fd_opaque = NULL;
1014
1015 fd = qemu_opt_get_number(opts, "fd", -1);
1016 fdset_id = qemu_opt_get_number(opts, "set", -1);
1017 fd_opaque = qemu_opt_get(opts, "opaque");
1018
1019 if (fd < 0) {
1020 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1021 "fd option is required and must be non-negative");
1022 return -1;
1023 }
1024
1025 if (fd <= STDERR_FILENO) {
1026 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1027 "fd cannot be a standard I/O stream");
1028 return -1;
1029 }
1030
1031 /*
1032 * All fds inherited across exec() necessarily have FD_CLOEXEC
1033 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1034 */
1035 flags = fcntl(fd, F_GETFD);
1036 if (flags == -1 || (flags & FD_CLOEXEC)) {
1037 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1038 "fd is not valid or already in use");
1039 return -1;
1040 }
1041
1042 if (fdset_id < 0) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "set option is required and must be non-negative");
1045 return -1;
1046 }
1047
1048 #ifdef F_DUPFD_CLOEXEC
1049 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1050 #else
1051 dupfd = dup(fd);
1052 if (dupfd != -1) {
1053 qemu_set_cloexec(dupfd);
1054 }
1055 #endif
1056 if (dupfd == -1) {
1057 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1058 "Error duplicating fd: %s", strerror(errno));
1059 return -1;
1060 }
1061
1062 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1063 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1064 fd_opaque, NULL);
1065
1066 return 0;
1067 }
1068
1069 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1070 {
1071 int fd;
1072
1073 fd = qemu_opt_get_number(opts, "fd", -1);
1074 close(fd);
1075
1076 return 0;
1077 }
1078 #endif
1079
1080 /***********************************************************/
1081 /* QEMU Block devices */
1082
1083 #define HD_OPTS "media=disk"
1084 #define CDROM_OPTS "media=cdrom"
1085 #define FD_OPTS ""
1086 #define PFLASH_OPTS ""
1087 #define MTD_OPTS ""
1088 #define SD_OPTS ""
1089
1090 static int drive_init_func(QemuOpts *opts, void *opaque)
1091 {
1092 BlockInterfaceType *block_default_type = opaque;
1093
1094 return drive_new(opts, *block_default_type) == NULL;
1095 }
1096
1097 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1098 {
1099 if (qemu_opt_get(opts, "snapshot") == NULL) {
1100 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1101 }
1102 return 0;
1103 }
1104
1105 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1106 int index, const char *optstr)
1107 {
1108 QemuOpts *opts;
1109 DriveInfo *dinfo;
1110
1111 if (!enable || drive_get_by_index(type, index)) {
1112 return;
1113 }
1114
1115 opts = drive_add(type, index, NULL, optstr);
1116 if (snapshot) {
1117 drive_enable_snapshot(opts, NULL);
1118 }
1119
1120 dinfo = drive_new(opts, type);
1121 if (!dinfo) {
1122 exit(1);
1123 }
1124 dinfo->is_default = true;
1125
1126 }
1127
1128 static QemuOptsList qemu_smp_opts = {
1129 .name = "smp-opts",
1130 .implied_opt_name = "cpus",
1131 .merge_lists = true,
1132 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1133 .desc = {
1134 {
1135 .name = "cpus",
1136 .type = QEMU_OPT_NUMBER,
1137 }, {
1138 .name = "sockets",
1139 .type = QEMU_OPT_NUMBER,
1140 }, {
1141 .name = "cores",
1142 .type = QEMU_OPT_NUMBER,
1143 }, {
1144 .name = "threads",
1145 .type = QEMU_OPT_NUMBER,
1146 }, {
1147 .name = "maxcpus",
1148 .type = QEMU_OPT_NUMBER,
1149 },
1150 { /*End of list */ }
1151 },
1152 };
1153
1154 static void smp_parse(QemuOpts *opts)
1155 {
1156 if (opts) {
1157
1158 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1159 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1160 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1161 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1162
1163 /* compute missing values, prefer sockets over cores over threads */
1164 if (cpus == 0 || sockets == 0) {
1165 sockets = sockets > 0 ? sockets : 1;
1166 cores = cores > 0 ? cores : 1;
1167 threads = threads > 0 ? threads : 1;
1168 if (cpus == 0) {
1169 cpus = cores * threads * sockets;
1170 }
1171 } else if (cores == 0) {
1172 threads = threads > 0 ? threads : 1;
1173 cores = cpus / (sockets * threads);
1174 } else if (threads == 0) {
1175 threads = cpus / (cores * sockets);
1176 } else if (sockets * cores * threads < cpus) {
1177 fprintf(stderr, "cpu topology: error: "
1178 "sockets (%u) * cores (%u) * threads (%u) < "
1179 "smp_cpus (%u)\n",
1180 sockets, cores, threads, cpus);
1181 exit(1);
1182 }
1183
1184 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1185
1186 smp_cpus = cpus;
1187 smp_cores = cores > 0 ? cores : 1;
1188 smp_threads = threads > 0 ? threads : 1;
1189
1190 }
1191
1192 if (max_cpus == 0) {
1193 max_cpus = smp_cpus;
1194 }
1195
1196 if (max_cpus > MAX_CPUMASK_BITS) {
1197 fprintf(stderr, "Unsupported number of maxcpus\n");
1198 exit(1);
1199 }
1200 if (max_cpus < smp_cpus) {
1201 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1202 exit(1);
1203 }
1204
1205 }
1206
1207 static void realtime_init(void)
1208 {
1209 if (enable_mlock) {
1210 if (os_mlock() < 0) {
1211 fprintf(stderr, "qemu: locking memory failed\n");
1212 exit(1);
1213 }
1214 }
1215 }
1216
1217
1218 static void configure_msg(QemuOpts *opts)
1219 {
1220 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1221 }
1222
1223 /***********************************************************/
1224 /* USB devices */
1225
1226 static int usb_device_add(const char *devname)
1227 {
1228 USBDevice *dev = NULL;
1229 #ifndef CONFIG_LINUX
1230 const char *p;
1231 #endif
1232
1233 if (!usb_enabled()) {
1234 return -1;
1235 }
1236
1237 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1238 dev = usbdevice_create(devname);
1239 if (dev)
1240 goto done;
1241
1242 /* the other ones */
1243 #ifndef CONFIG_LINUX
1244 /* only the linux version is qdev-ified, usb-bsd still needs this */
1245 if (strstart(devname, "host:", &p)) {
1246 dev = usb_host_device_open(usb_bus_find(-1), p);
1247 }
1248 #endif
1249 if (!dev)
1250 return -1;
1251
1252 done:
1253 return 0;
1254 }
1255
1256 static int usb_device_del(const char *devname)
1257 {
1258 int bus_num, addr;
1259 const char *p;
1260
1261 if (strstart(devname, "host:", &p)) {
1262 return -1;
1263 }
1264
1265 if (!usb_enabled()) {
1266 return -1;
1267 }
1268
1269 p = strchr(devname, '.');
1270 if (!p)
1271 return -1;
1272 bus_num = strtoul(devname, NULL, 0);
1273 addr = strtoul(p + 1, NULL, 0);
1274
1275 return usb_device_delete_addr(bus_num, addr);
1276 }
1277
1278 static int usb_parse(const char *cmdline)
1279 {
1280 int r;
1281 r = usb_device_add(cmdline);
1282 if (r < 0) {
1283 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1284 }
1285 return r;
1286 }
1287
1288 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1289 {
1290 const char *devname = qdict_get_str(qdict, "devname");
1291 if (usb_device_add(devname) < 0) {
1292 error_report("could not add USB device '%s'", devname);
1293 }
1294 }
1295
1296 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1297 {
1298 const char *devname = qdict_get_str(qdict, "devname");
1299 if (usb_device_del(devname) < 0) {
1300 error_report("could not delete USB device '%s'", devname);
1301 }
1302 }
1303
1304 /***********************************************************/
1305 /* machine registration */
1306
1307 MachineState *current_machine;
1308
1309 static void machine_class_init(ObjectClass *oc, void *data)
1310 {
1311 MachineClass *mc = MACHINE_CLASS(oc);
1312 QEMUMachine *qm = data;
1313
1314 mc->family = qm->family;
1315 mc->name = qm->name;
1316 mc->alias = qm->alias;
1317 mc->desc = qm->desc;
1318 mc->init = qm->init;
1319 mc->reset = qm->reset;
1320 mc->hot_add_cpu = qm->hot_add_cpu;
1321 mc->kvm_type = qm->kvm_type;
1322 mc->block_default_type = qm->block_default_type;
1323 mc->units_per_default_bus = qm->units_per_default_bus;
1324 mc->max_cpus = qm->max_cpus;
1325 mc->no_serial = qm->no_serial;
1326 mc->no_parallel = qm->no_parallel;
1327 mc->use_virtcon = qm->use_virtcon;
1328 mc->use_sclp = qm->use_sclp;
1329 mc->no_floppy = qm->no_floppy;
1330 mc->no_cdrom = qm->no_cdrom;
1331 mc->no_sdcard = qm->no_sdcard;
1332 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1333 mc->is_default = qm->is_default;
1334 mc->default_machine_opts = qm->default_machine_opts;
1335 mc->default_boot_order = qm->default_boot_order;
1336 mc->default_display = qm->default_display;
1337 mc->compat_props = qm->compat_props;
1338 mc->hw_version = qm->hw_version;
1339 }
1340
1341 int qemu_register_machine(QEMUMachine *m)
1342 {
1343 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1344 TypeInfo ti = {
1345 .name = name,
1346 .parent = TYPE_MACHINE,
1347 .class_init = machine_class_init,
1348 .class_data = (void *)m,
1349 };
1350
1351 type_register(&ti);
1352 g_free(name);
1353
1354 return 0;
1355 }
1356
1357 static MachineClass *find_machine(const char *name)
1358 {
1359 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1360 MachineClass *mc = NULL;
1361
1362 for (el = machines; el; el = el->next) {
1363 MachineClass *temp = el->data;
1364
1365 if (!strcmp(temp->name, name)) {
1366 mc = temp;
1367 break;
1368 }
1369 if (temp->alias &&
1370 !strcmp(temp->alias, name)) {
1371 mc = temp;
1372 break;
1373 }
1374 }
1375
1376 g_slist_free(machines);
1377 return mc;
1378 }
1379
1380 MachineClass *find_default_machine(void)
1381 {
1382 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1383 MachineClass *mc = NULL;
1384
1385 for (el = machines; el; el = el->next) {
1386 MachineClass *temp = el->data;
1387
1388 if (temp->is_default) {
1389 mc = temp;
1390 break;
1391 }
1392 }
1393
1394 g_slist_free(machines);
1395 return mc;
1396 }
1397
1398 MachineInfoList *qmp_query_machines(Error **errp)
1399 {
1400 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1401 MachineInfoList *mach_list = NULL;
1402
1403 for (el = machines; el; el = el->next) {
1404 MachineClass *mc = el->data;
1405 MachineInfoList *entry;
1406 MachineInfo *info;
1407
1408 info = g_malloc0(sizeof(*info));
1409 if (mc->is_default) {
1410 info->has_is_default = true;
1411 info->is_default = true;
1412 }
1413
1414 if (mc->alias) {
1415 info->has_alias = true;
1416 info->alias = g_strdup(mc->alias);
1417 }
1418
1419 info->name = g_strdup(mc->name);
1420 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1421
1422 entry = g_malloc0(sizeof(*entry));
1423 entry->value = info;
1424 entry->next = mach_list;
1425 mach_list = entry;
1426 }
1427
1428 g_slist_free(machines);
1429 return mach_list;
1430 }
1431
1432 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1433 {
1434 ObjectProperty *prop;
1435
1436 if (!qemu_opt_has_help_opt(opts)) {
1437 return 0;
1438 }
1439
1440 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1441 if (!prop->set) {
1442 continue;
1443 }
1444
1445 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1446 prop->name, prop->type);
1447 if (prop->description) {
1448 error_printf(" (%s)\n", prop->description);
1449 } else {
1450 error_printf("\n");
1451 }
1452 }
1453
1454 return 1;
1455 }
1456
1457 /***********************************************************/
1458 /* main execution loop */
1459
1460 struct vm_change_state_entry {
1461 VMChangeStateHandler *cb;
1462 void *opaque;
1463 QLIST_ENTRY (vm_change_state_entry) entries;
1464 };
1465
1466 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1467
1468 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1469 void *opaque)
1470 {
1471 VMChangeStateEntry *e;
1472
1473 e = g_malloc0(sizeof (*e));
1474
1475 e->cb = cb;
1476 e->opaque = opaque;
1477 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1478 return e;
1479 }
1480
1481 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1482 {
1483 QLIST_REMOVE (e, entries);
1484 g_free (e);
1485 }
1486
1487 void vm_state_notify(int running, RunState state)
1488 {
1489 VMChangeStateEntry *e, *next;
1490
1491 trace_vm_state_notify(running, state);
1492
1493 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1494 e->cb(e->opaque, running, state);
1495 }
1496 }
1497
1498 /* reset/shutdown handler */
1499
1500 typedef struct QEMUResetEntry {
1501 QTAILQ_ENTRY(QEMUResetEntry) entry;
1502 QEMUResetHandler *func;
1503 void *opaque;
1504 } QEMUResetEntry;
1505
1506 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1507 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1508 static int reset_requested;
1509 static int shutdown_requested, shutdown_signal = -1;
1510 static pid_t shutdown_pid;
1511 static int powerdown_requested;
1512 static int debug_requested;
1513 static int suspend_requested;
1514 static WakeupReason wakeup_reason;
1515 static NotifierList powerdown_notifiers =
1516 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1517 static NotifierList suspend_notifiers =
1518 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1519 static NotifierList wakeup_notifiers =
1520 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1521 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1522
1523 int qemu_shutdown_requested_get(void)
1524 {
1525 return shutdown_requested;
1526 }
1527
1528 int qemu_reset_requested_get(void)
1529 {
1530 return reset_requested;
1531 }
1532
1533 static int qemu_shutdown_requested(void)
1534 {
1535 return atomic_xchg(&shutdown_requested, 0);
1536 }
1537
1538 static void qemu_kill_report(void)
1539 {
1540 if (!qtest_driver() && shutdown_signal != -1) {
1541 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1542 if (shutdown_pid == 0) {
1543 /* This happens for eg ^C at the terminal, so it's worth
1544 * avoiding printing an odd message in that case.
1545 */
1546 fputc('\n', stderr);
1547 } else {
1548 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1549 }
1550 shutdown_signal = -1;
1551 }
1552 }
1553
1554 static int qemu_reset_requested(void)
1555 {
1556 int r = reset_requested;
1557 reset_requested = 0;
1558 return r;
1559 }
1560
1561 static int qemu_suspend_requested(void)
1562 {
1563 int r = suspend_requested;
1564 suspend_requested = 0;
1565 return r;
1566 }
1567
1568 static WakeupReason qemu_wakeup_requested(void)
1569 {
1570 return wakeup_reason;
1571 }
1572
1573 static int qemu_powerdown_requested(void)
1574 {
1575 int r = powerdown_requested;
1576 powerdown_requested = 0;
1577 return r;
1578 }
1579
1580 static int qemu_debug_requested(void)
1581 {
1582 int r = debug_requested;
1583 debug_requested = 0;
1584 return r;
1585 }
1586
1587 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1588 {
1589 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1590
1591 re->func = func;
1592 re->opaque = opaque;
1593 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1594 }
1595
1596 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1597 {
1598 QEMUResetEntry *re;
1599
1600 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1601 if (re->func == func && re->opaque == opaque) {
1602 QTAILQ_REMOVE(&reset_handlers, re, entry);
1603 g_free(re);
1604 return;
1605 }
1606 }
1607 }
1608
1609 void qemu_devices_reset(void)
1610 {
1611 QEMUResetEntry *re, *nre;
1612
1613 /* reset all devices */
1614 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1615 re->func(re->opaque);
1616 }
1617 }
1618
1619 void qemu_system_reset(bool report)
1620 {
1621 MachineClass *mc;
1622
1623 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1624
1625 if (mc && mc->reset) {
1626 mc->reset();
1627 } else {
1628 qemu_devices_reset();
1629 }
1630 if (report) {
1631 qapi_event_send_reset(&error_abort);
1632 }
1633 cpu_synchronize_all_post_reset();
1634 }
1635
1636 void qemu_system_reset_request(void)
1637 {
1638 if (no_reboot) {
1639 shutdown_requested = 1;
1640 } else {
1641 reset_requested = 1;
1642 }
1643 cpu_stop_current();
1644 qemu_notify_event();
1645 }
1646
1647 static void qemu_system_suspend(void)
1648 {
1649 pause_all_vcpus();
1650 notifier_list_notify(&suspend_notifiers, NULL);
1651 runstate_set(RUN_STATE_SUSPENDED);
1652 qapi_event_send_suspend(&error_abort);
1653 }
1654
1655 void qemu_system_suspend_request(void)
1656 {
1657 if (runstate_check(RUN_STATE_SUSPENDED)) {
1658 return;
1659 }
1660 suspend_requested = 1;
1661 cpu_stop_current();
1662 qemu_notify_event();
1663 }
1664
1665 void qemu_register_suspend_notifier(Notifier *notifier)
1666 {
1667 notifier_list_add(&suspend_notifiers, notifier);
1668 }
1669
1670 void qemu_system_wakeup_request(WakeupReason reason)
1671 {
1672 trace_system_wakeup_request(reason);
1673
1674 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1675 return;
1676 }
1677 if (!(wakeup_reason_mask & (1 << reason))) {
1678 return;
1679 }
1680 runstate_set(RUN_STATE_RUNNING);
1681 wakeup_reason = reason;
1682 qemu_notify_event();
1683 }
1684
1685 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1686 {
1687 if (enabled) {
1688 wakeup_reason_mask |= (1 << reason);
1689 } else {
1690 wakeup_reason_mask &= ~(1 << reason);
1691 }
1692 }
1693
1694 void qemu_register_wakeup_notifier(Notifier *notifier)
1695 {
1696 notifier_list_add(&wakeup_notifiers, notifier);
1697 }
1698
1699 void qemu_system_killed(int signal, pid_t pid)
1700 {
1701 shutdown_signal = signal;
1702 shutdown_pid = pid;
1703 no_shutdown = 0;
1704 qemu_system_shutdown_request();
1705 }
1706
1707 void qemu_system_shutdown_request(void)
1708 {
1709 trace_qemu_system_shutdown_request();
1710 shutdown_requested = 1;
1711 qemu_notify_event();
1712 }
1713
1714 static void qemu_system_powerdown(void)
1715 {
1716 qapi_event_send_powerdown(&error_abort);
1717 notifier_list_notify(&powerdown_notifiers, NULL);
1718 }
1719
1720 void qemu_system_powerdown_request(void)
1721 {
1722 trace_qemu_system_powerdown_request();
1723 powerdown_requested = 1;
1724 qemu_notify_event();
1725 }
1726
1727 void qemu_register_powerdown_notifier(Notifier *notifier)
1728 {
1729 notifier_list_add(&powerdown_notifiers, notifier);
1730 }
1731
1732 void qemu_system_debug_request(void)
1733 {
1734 debug_requested = 1;
1735 qemu_notify_event();
1736 }
1737
1738 static bool main_loop_should_exit(void)
1739 {
1740 RunState r;
1741 if (qemu_debug_requested()) {
1742 vm_stop(RUN_STATE_DEBUG);
1743 }
1744 if (qemu_suspend_requested()) {
1745 qemu_system_suspend();
1746 }
1747 if (qemu_shutdown_requested()) {
1748 qemu_kill_report();
1749 qapi_event_send_shutdown(&error_abort);
1750 if (no_shutdown) {
1751 vm_stop(RUN_STATE_SHUTDOWN);
1752 } else {
1753 return true;
1754 }
1755 }
1756 if (qemu_reset_requested()) {
1757 pause_all_vcpus();
1758 cpu_synchronize_all_states();
1759 qemu_system_reset(VMRESET_REPORT);
1760 resume_all_vcpus();
1761 if (runstate_needs_reset()) {
1762 runstate_set(RUN_STATE_PAUSED);
1763 }
1764 }
1765 if (qemu_wakeup_requested()) {
1766 pause_all_vcpus();
1767 cpu_synchronize_all_states();
1768 qemu_system_reset(VMRESET_SILENT);
1769 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1770 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1771 resume_all_vcpus();
1772 qapi_event_send_wakeup(&error_abort);
1773 }
1774 if (qemu_powerdown_requested()) {
1775 qemu_system_powerdown();
1776 }
1777 if (qemu_vmstop_requested(&r)) {
1778 vm_stop(r);
1779 }
1780 return false;
1781 }
1782
1783 static void main_loop(void)
1784 {
1785 bool nonblocking;
1786 int last_io = 0;
1787 #ifdef CONFIG_PROFILER
1788 int64_t ti;
1789 #endif
1790 do {
1791 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1792 #ifdef CONFIG_PROFILER
1793 ti = profile_getclock();
1794 #endif
1795 last_io = main_loop_wait(nonblocking);
1796 #ifdef CONFIG_PROFILER
1797 dev_time += profile_getclock() - ti;
1798 #endif
1799 } while (!main_loop_should_exit());
1800 }
1801
1802 static void version(void)
1803 {
1804 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1805 }
1806
1807 static void help(int exitcode)
1808 {
1809 version();
1810 printf("usage: %s [options] [disk_image]\n\n"
1811 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1812 error_get_progname());
1813
1814 #define QEMU_OPTIONS_GENERATE_HELP
1815 #include "qemu-options-wrapper.h"
1816
1817 printf("\nDuring emulation, the following keys are useful:\n"
1818 "ctrl-alt-f toggle full screen\n"
1819 "ctrl-alt-n switch to virtual console 'n'\n"
1820 "ctrl-alt toggle mouse and keyboard grab\n"
1821 "\n"
1822 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1823
1824 exit(exitcode);
1825 }
1826
1827 #define HAS_ARG 0x0001
1828
1829 typedef struct QEMUOption {
1830 const char *name;
1831 int flags;
1832 int index;
1833 uint32_t arch_mask;
1834 } QEMUOption;
1835
1836 static const QEMUOption qemu_options[] = {
1837 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1838 #define QEMU_OPTIONS_GENERATE_OPTIONS
1839 #include "qemu-options-wrapper.h"
1840 { NULL },
1841 };
1842
1843 static bool vga_available(void)
1844 {
1845 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1846 }
1847
1848 static bool cirrus_vga_available(void)
1849 {
1850 return object_class_by_name("cirrus-vga")
1851 || object_class_by_name("isa-cirrus-vga");
1852 }
1853
1854 static bool vmware_vga_available(void)
1855 {
1856 return object_class_by_name("vmware-svga");
1857 }
1858
1859 static bool qxl_vga_available(void)
1860 {
1861 return object_class_by_name("qxl-vga");
1862 }
1863
1864 static bool tcx_vga_available(void)
1865 {
1866 return object_class_by_name("SUNW,tcx");
1867 }
1868
1869 static bool cg3_vga_available(void)
1870 {
1871 return object_class_by_name("cgthree");
1872 }
1873
1874 static void select_vgahw (const char *p)
1875 {
1876 const char *opts;
1877
1878 assert(vga_interface_type == VGA_NONE);
1879 if (strstart(p, "std", &opts)) {
1880 if (vga_available()) {
1881 vga_interface_type = VGA_STD;
1882 } else {
1883 fprintf(stderr, "Error: standard VGA not available\n");
1884 exit(0);
1885 }
1886 } else if (strstart(p, "cirrus", &opts)) {
1887 if (cirrus_vga_available()) {
1888 vga_interface_type = VGA_CIRRUS;
1889 } else {
1890 fprintf(stderr, "Error: Cirrus VGA not available\n");
1891 exit(0);
1892 }
1893 } else if (strstart(p, "vmware", &opts)) {
1894 if (vmware_vga_available()) {
1895 vga_interface_type = VGA_VMWARE;
1896 } else {
1897 fprintf(stderr, "Error: VMWare SVGA not available\n");
1898 exit(0);
1899 }
1900 } else if (strstart(p, "xenfb", &opts)) {
1901 vga_interface_type = VGA_XENFB;
1902 } else if (strstart(p, "qxl", &opts)) {
1903 if (qxl_vga_available()) {
1904 vga_interface_type = VGA_QXL;
1905 } else {
1906 fprintf(stderr, "Error: QXL VGA not available\n");
1907 exit(0);
1908 }
1909 } else if (strstart(p, "tcx", &opts)) {
1910 if (tcx_vga_available()) {
1911 vga_interface_type = VGA_TCX;
1912 } else {
1913 fprintf(stderr, "Error: TCX framebuffer not available\n");
1914 exit(0);
1915 }
1916 } else if (strstart(p, "cg3", &opts)) {
1917 if (cg3_vga_available()) {
1918 vga_interface_type = VGA_CG3;
1919 } else {
1920 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1921 exit(0);
1922 }
1923 } else if (!strstart(p, "none", &opts)) {
1924 invalid_vga:
1925 fprintf(stderr, "Unknown vga type: %s\n", p);
1926 exit(1);
1927 }
1928 while (*opts) {
1929 const char *nextopt;
1930
1931 if (strstart(opts, ",retrace=", &nextopt)) {
1932 opts = nextopt;
1933 if (strstart(opts, "dumb", &nextopt))
1934 vga_retrace_method = VGA_RETRACE_DUMB;
1935 else if (strstart(opts, "precise", &nextopt))
1936 vga_retrace_method = VGA_RETRACE_PRECISE;
1937 else goto invalid_vga;
1938 } else goto invalid_vga;
1939 opts = nextopt;
1940 }
1941 }
1942
1943 static DisplayType select_display(const char *p)
1944 {
1945 const char *opts;
1946 DisplayType display = DT_DEFAULT;
1947
1948 if (strstart(p, "sdl", &opts)) {
1949 #ifdef CONFIG_SDL
1950 display = DT_SDL;
1951 while (*opts) {
1952 const char *nextopt;
1953
1954 if (strstart(opts, ",frame=", &nextopt)) {
1955 opts = nextopt;
1956 if (strstart(opts, "on", &nextopt)) {
1957 no_frame = 0;
1958 } else if (strstart(opts, "off", &nextopt)) {
1959 no_frame = 1;
1960 } else {
1961 goto invalid_sdl_args;
1962 }
1963 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1964 opts = nextopt;
1965 if (strstart(opts, "on", &nextopt)) {
1966 alt_grab = 1;
1967 } else if (strstart(opts, "off", &nextopt)) {
1968 alt_grab = 0;
1969 } else {
1970 goto invalid_sdl_args;
1971 }
1972 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1973 opts = nextopt;
1974 if (strstart(opts, "on", &nextopt)) {
1975 ctrl_grab = 1;
1976 } else if (strstart(opts, "off", &nextopt)) {
1977 ctrl_grab = 0;
1978 } else {
1979 goto invalid_sdl_args;
1980 }
1981 } else if (strstart(opts, ",window_close=", &nextopt)) {
1982 opts = nextopt;
1983 if (strstart(opts, "on", &nextopt)) {
1984 no_quit = 0;
1985 } else if (strstart(opts, "off", &nextopt)) {
1986 no_quit = 1;
1987 } else {
1988 goto invalid_sdl_args;
1989 }
1990 } else {
1991 invalid_sdl_args:
1992 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1993 exit(1);
1994 }
1995 opts = nextopt;
1996 }
1997 #else
1998 fprintf(stderr, "SDL support is disabled\n");
1999 exit(1);
2000 #endif
2001 } else if (strstart(p, "vnc", &opts)) {
2002 #ifdef CONFIG_VNC
2003 if (*opts == '=') {
2004 display_remote++;
2005 if (vnc_parse_func(opts+1) == NULL) {
2006 exit(1);
2007 }
2008 } else {
2009 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2010 exit(1);
2011 }
2012 #else
2013 fprintf(stderr, "VNC support is disabled\n");
2014 exit(1);
2015 #endif
2016 } else if (strstart(p, "curses", &opts)) {
2017 #ifdef CONFIG_CURSES
2018 display = DT_CURSES;
2019 #else
2020 fprintf(stderr, "Curses support is disabled\n");
2021 exit(1);
2022 #endif
2023 } else if (strstart(p, "gtk", &opts)) {
2024 #ifdef CONFIG_GTK
2025 display = DT_GTK;
2026 while (*opts) {
2027 const char *nextopt;
2028
2029 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2030 opts = nextopt;
2031 if (strstart(opts, "on", &nextopt)) {
2032 grab_on_hover = true;
2033 } else if (strstart(opts, "off", &nextopt)) {
2034 grab_on_hover = false;
2035 } else {
2036 goto invalid_gtk_args;
2037 }
2038 } else {
2039 invalid_gtk_args:
2040 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2041 exit(1);
2042 }
2043 opts = nextopt;
2044 }
2045 #else
2046 fprintf(stderr, "GTK support is disabled\n");
2047 exit(1);
2048 #endif
2049 } else if (strstart(p, "none", &opts)) {
2050 display = DT_NONE;
2051 } else {
2052 fprintf(stderr, "Unknown display type: %s\n", p);
2053 exit(1);
2054 }
2055
2056 return display;
2057 }
2058
2059 static int balloon_parse(const char *arg)
2060 {
2061 QemuOpts *opts;
2062
2063 if (strcmp(arg, "none") == 0) {
2064 return 0;
2065 }
2066
2067 if (!strncmp(arg, "virtio", 6)) {
2068 if (arg[6] == ',') {
2069 /* have params -> parse them */
2070 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2071 if (!opts)
2072 return -1;
2073 } else {
2074 /* create empty opts */
2075 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2076 &error_abort);
2077 }
2078 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2079 return 0;
2080 }
2081
2082 return -1;
2083 }
2084
2085 char *qemu_find_file(int type, const char *name)
2086 {
2087 int i;
2088 const char *subdir;
2089 char *buf;
2090
2091 /* Try the name as a straight path first */
2092 if (access(name, R_OK) == 0) {
2093 trace_load_file(name, name);
2094 return g_strdup(name);
2095 }
2096
2097 switch (type) {
2098 case QEMU_FILE_TYPE_BIOS:
2099 subdir = "";
2100 break;
2101 case QEMU_FILE_TYPE_KEYMAP:
2102 subdir = "keymaps/";
2103 break;
2104 default:
2105 abort();
2106 }
2107
2108 for (i = 0; i < data_dir_idx; i++) {
2109 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2110 if (access(buf, R_OK) == 0) {
2111 trace_load_file(name, buf);
2112 return buf;
2113 }
2114 g_free(buf);
2115 }
2116 return NULL;
2117 }
2118
2119 static int device_help_func(QemuOpts *opts, void *opaque)
2120 {
2121 return qdev_device_help(opts);
2122 }
2123
2124 static int device_init_func(QemuOpts *opts, void *opaque)
2125 {
2126 DeviceState *dev;
2127
2128 dev = qdev_device_add(opts);
2129 if (!dev)
2130 return -1;
2131 object_unref(OBJECT(dev));
2132 return 0;
2133 }
2134
2135 static int chardev_init_func(QemuOpts *opts, void *opaque)
2136 {
2137 Error *local_err = NULL;
2138
2139 qemu_chr_new_from_opts(opts, NULL, &local_err);
2140 if (local_err) {
2141 error_report_err(local_err);
2142 return -1;
2143 }
2144 return 0;
2145 }
2146
2147 #ifdef CONFIG_VIRTFS
2148 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2149 {
2150 int ret;
2151 ret = qemu_fsdev_add(opts);
2152
2153 return ret;
2154 }
2155 #endif
2156
2157 static int mon_init_func(QemuOpts *opts, void *opaque)
2158 {
2159 CharDriverState *chr;
2160 const char *chardev;
2161 const char *mode;
2162 int flags;
2163
2164 mode = qemu_opt_get(opts, "mode");
2165 if (mode == NULL) {
2166 mode = "readline";
2167 }
2168 if (strcmp(mode, "readline") == 0) {
2169 flags = MONITOR_USE_READLINE;
2170 } else if (strcmp(mode, "control") == 0) {
2171 flags = MONITOR_USE_CONTROL;
2172 } else {
2173 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2174 exit(1);
2175 }
2176
2177 if (qemu_opt_get_bool(opts, "pretty", 0))
2178 flags |= MONITOR_USE_PRETTY;
2179
2180 if (qemu_opt_get_bool(opts, "default", 0))
2181 flags |= MONITOR_IS_DEFAULT;
2182
2183 chardev = qemu_opt_get(opts, "chardev");
2184 chr = qemu_chr_find(chardev);
2185 if (chr == NULL) {
2186 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2187 exit(1);
2188 }
2189
2190 qemu_chr_fe_claim_no_fail(chr);
2191 monitor_init(chr, flags);
2192 return 0;
2193 }
2194
2195 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2196 {
2197 static int monitor_device_index = 0;
2198 Error *local_err = NULL;
2199 QemuOpts *opts;
2200 const char *p;
2201 char label[32];
2202 int def = 0;
2203
2204 if (strstart(optarg, "chardev:", &p)) {
2205 snprintf(label, sizeof(label), "%s", p);
2206 } else {
2207 snprintf(label, sizeof(label), "compat_monitor%d",
2208 monitor_device_index);
2209 if (monitor_device_index == 0) {
2210 def = 1;
2211 }
2212 opts = qemu_chr_parse_compat(label, optarg);
2213 if (!opts) {
2214 fprintf(stderr, "parse error: %s\n", optarg);
2215 exit(1);
2216 }
2217 }
2218
2219 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2220 if (!opts) {
2221 error_report_err(local_err);
2222 exit(1);
2223 }
2224 qemu_opt_set(opts, "mode", mode, &error_abort);
2225 qemu_opt_set(opts, "chardev", label, &error_abort);
2226 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2227 if (def)
2228 qemu_opt_set(opts, "default", "on", &error_abort);
2229 monitor_device_index++;
2230 }
2231
2232 struct device_config {
2233 enum {
2234 DEV_USB, /* -usbdevice */
2235 DEV_BT, /* -bt */
2236 DEV_SERIAL, /* -serial */
2237 DEV_PARALLEL, /* -parallel */
2238 DEV_VIRTCON, /* -virtioconsole */
2239 DEV_DEBUGCON, /* -debugcon */
2240 DEV_GDB, /* -gdb, -s */
2241 DEV_SCLP, /* s390 sclp */
2242 } type;
2243 const char *cmdline;
2244 Location loc;
2245 QTAILQ_ENTRY(device_config) next;
2246 };
2247
2248 static QTAILQ_HEAD(, device_config) device_configs =
2249 QTAILQ_HEAD_INITIALIZER(device_configs);
2250
2251 static void add_device_config(int type, const char *cmdline)
2252 {
2253 struct device_config *conf;
2254
2255 conf = g_malloc0(sizeof(*conf));
2256 conf->type = type;
2257 conf->cmdline = cmdline;
2258 loc_save(&conf->loc);
2259 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2260 }
2261
2262 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2263 {
2264 struct device_config *conf;
2265 int rc;
2266
2267 QTAILQ_FOREACH(conf, &device_configs, next) {
2268 if (conf->type != type)
2269 continue;
2270 loc_push_restore(&conf->loc);
2271 rc = func(conf->cmdline);
2272 loc_pop(&conf->loc);
2273 if (rc) {
2274 return rc;
2275 }
2276 }
2277 return 0;
2278 }
2279
2280 static int serial_parse(const char *devname)
2281 {
2282 static int index = 0;
2283 char label[32];
2284
2285 if (strcmp(devname, "none") == 0)
2286 return 0;
2287 if (index == MAX_SERIAL_PORTS) {
2288 fprintf(stderr, "qemu: too many serial ports\n");
2289 exit(1);
2290 }
2291 snprintf(label, sizeof(label), "serial%d", index);
2292 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2293 if (!serial_hds[index]) {
2294 fprintf(stderr, "qemu: could not connect serial device"
2295 " to character backend '%s'\n", devname);
2296 return -1;
2297 }
2298 index++;
2299 return 0;
2300 }
2301
2302 static int parallel_parse(const char *devname)
2303 {
2304 static int index = 0;
2305 char label[32];
2306
2307 if (strcmp(devname, "none") == 0)
2308 return 0;
2309 if (index == MAX_PARALLEL_PORTS) {
2310 fprintf(stderr, "qemu: too many parallel ports\n");
2311 exit(1);
2312 }
2313 snprintf(label, sizeof(label), "parallel%d", index);
2314 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2315 if (!parallel_hds[index]) {
2316 fprintf(stderr, "qemu: could not connect parallel device"
2317 " to character backend '%s'\n", devname);
2318 return -1;
2319 }
2320 index++;
2321 return 0;
2322 }
2323
2324 static int virtcon_parse(const char *devname)
2325 {
2326 QemuOptsList *device = qemu_find_opts("device");
2327 static int index = 0;
2328 char label[32];
2329 QemuOpts *bus_opts, *dev_opts;
2330
2331 if (strcmp(devname, "none") == 0)
2332 return 0;
2333 if (index == MAX_VIRTIO_CONSOLES) {
2334 fprintf(stderr, "qemu: too many virtio consoles\n");
2335 exit(1);
2336 }
2337
2338 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2339 if (arch_type == QEMU_ARCH_S390X) {
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2341 } else {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2343 }
2344
2345 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2346 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2347
2348 snprintf(label, sizeof(label), "virtcon%d", index);
2349 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2350 if (!virtcon_hds[index]) {
2351 fprintf(stderr, "qemu: could not connect virtio console"
2352 " to character backend '%s'\n", devname);
2353 return -1;
2354 }
2355 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2356
2357 index++;
2358 return 0;
2359 }
2360
2361 static int sclp_parse(const char *devname)
2362 {
2363 QemuOptsList *device = qemu_find_opts("device");
2364 static int index = 0;
2365 char label[32];
2366 QemuOpts *dev_opts;
2367
2368 if (strcmp(devname, "none") == 0) {
2369 return 0;
2370 }
2371 if (index == MAX_SCLP_CONSOLES) {
2372 fprintf(stderr, "qemu: too many sclp consoles\n");
2373 exit(1);
2374 }
2375
2376 assert(arch_type == QEMU_ARCH_S390X);
2377
2378 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2379 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2380
2381 snprintf(label, sizeof(label), "sclpcon%d", index);
2382 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2383 if (!sclp_hds[index]) {
2384 fprintf(stderr, "qemu: could not connect sclp console"
2385 " to character backend '%s'\n", devname);
2386 return -1;
2387 }
2388 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2389
2390 index++;
2391 return 0;
2392 }
2393
2394 static int debugcon_parse(const char *devname)
2395 {
2396 QemuOpts *opts;
2397
2398 if (!qemu_chr_new("debugcon", devname, NULL)) {
2399 exit(1);
2400 }
2401 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2402 if (!opts) {
2403 fprintf(stderr, "qemu: already have a debugcon device\n");
2404 exit(1);
2405 }
2406 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2407 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2408 return 0;
2409 }
2410
2411 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2412 {
2413 const MachineClass *mc1 = a, *mc2 = b;
2414 int res;
2415
2416 if (mc1->family == NULL) {
2417 if (mc2->family == NULL) {
2418 /* Compare standalone machine types against each other; they sort
2419 * in increasing order.
2420 */
2421 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2422 object_class_get_name(OBJECT_CLASS(mc2)));
2423 }
2424
2425 /* Standalone machine types sort after families. */
2426 return 1;
2427 }
2428
2429 if (mc2->family == NULL) {
2430 /* Families sort before standalone machine types. */
2431 return -1;
2432 }
2433
2434 /* Families sort between each other alphabetically increasingly. */
2435 res = strcmp(mc1->family, mc2->family);
2436 if (res != 0) {
2437 return res;
2438 }
2439
2440 /* Within the same family, machine types sort in decreasing order. */
2441 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2442 object_class_get_name(OBJECT_CLASS(mc1)));
2443 }
2444
2445 static MachineClass *machine_parse(const char *name)
2446 {
2447 MachineClass *mc = NULL;
2448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2449
2450 if (name) {
2451 mc = find_machine(name);
2452 }
2453 if (mc) {
2454 g_slist_free(machines);
2455 return mc;
2456 }
2457 if (name && !is_help_option(name)) {
2458 error_report("Unsupported machine type");
2459 error_printf("Use -machine help to list supported machines!\n");
2460 } else {
2461 printf("Supported machines are:\n");
2462 machines = g_slist_sort(machines, machine_class_cmp);
2463 for (el = machines; el; el = el->next) {
2464 MachineClass *mc = el->data;
2465 if (mc->alias) {
2466 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2467 }
2468 printf("%-20s %s%s\n", mc->name, mc->desc,
2469 mc->is_default ? " (default)" : "");
2470 }
2471 }
2472
2473 g_slist_free(machines);
2474 exit(!name || !is_help_option(name));
2475 }
2476
2477 void qemu_add_exit_notifier(Notifier *notify)
2478 {
2479 notifier_list_add(&exit_notifiers, notify);
2480 }
2481
2482 void qemu_remove_exit_notifier(Notifier *notify)
2483 {
2484 notifier_remove(notify);
2485 }
2486
2487 static void qemu_run_exit_notifiers(void)
2488 {
2489 notifier_list_notify(&exit_notifiers, NULL);
2490 }
2491
2492 void qemu_add_machine_init_done_notifier(Notifier *notify)
2493 {
2494 notifier_list_add(&machine_init_done_notifiers, notify);
2495 }
2496
2497 static void qemu_run_machine_init_done_notifiers(void)
2498 {
2499 notifier_list_notify(&machine_init_done_notifiers, NULL);
2500 }
2501
2502 static const QEMUOption *lookup_opt(int argc, char **argv,
2503 const char **poptarg, int *poptind)
2504 {
2505 const QEMUOption *popt;
2506 int optind = *poptind;
2507 char *r = argv[optind];
2508 const char *optarg;
2509
2510 loc_set_cmdline(argv, optind, 1);
2511 optind++;
2512 /* Treat --foo the same as -foo. */
2513 if (r[1] == '-')
2514 r++;
2515 popt = qemu_options;
2516 for(;;) {
2517 if (!popt->name) {
2518 error_report("invalid option");
2519 exit(1);
2520 }
2521 if (!strcmp(popt->name, r + 1))
2522 break;
2523 popt++;
2524 }
2525 if (popt->flags & HAS_ARG) {
2526 if (optind >= argc) {
2527 error_report("requires an argument");
2528 exit(1);
2529 }
2530 optarg = argv[optind++];
2531 loc_set_cmdline(argv, optind - 2, 2);
2532 } else {
2533 optarg = NULL;
2534 }
2535
2536 *poptarg = optarg;
2537 *poptind = optind;
2538
2539 return popt;
2540 }
2541
2542 static gpointer malloc_and_trace(gsize n_bytes)
2543 {
2544 void *ptr = malloc(n_bytes);
2545 trace_g_malloc(n_bytes, ptr);
2546 return ptr;
2547 }
2548
2549 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2550 {
2551 void *ptr = realloc(mem, n_bytes);
2552 trace_g_realloc(mem, n_bytes, ptr);
2553 return ptr;
2554 }
2555
2556 static void free_and_trace(gpointer mem)
2557 {
2558 trace_g_free(mem);
2559 free(mem);
2560 }
2561
2562 static int machine_set_property(const char *name, const char *value,
2563 void *opaque)
2564 {
2565 Object *obj = OBJECT(opaque);
2566 Error *local_err = NULL;
2567 char *c, *qom_name;
2568
2569 if (strcmp(name, "type") == 0) {
2570 return 0;
2571 }
2572
2573 qom_name = g_strdup(name);
2574 c = qom_name;
2575 while (*c++) {
2576 if (*c == '_') {
2577 *c = '-';
2578 }
2579 }
2580
2581 object_property_parse(obj, value, qom_name, &local_err);
2582 g_free(qom_name);
2583
2584 if (local_err) {
2585 error_report_err(local_err);
2586 return -1;
2587 }
2588
2589 return 0;
2590 }
2591
2592 static int object_create(QemuOpts *opts, void *opaque)
2593 {
2594 Error *err = NULL;
2595 char *type = NULL;
2596 char *id = NULL;
2597 void *dummy = NULL;
2598 OptsVisitor *ov;
2599 QDict *pdict;
2600
2601 ov = opts_visitor_new(opts);
2602 pdict = qemu_opts_to_qdict(opts, NULL);
2603
2604 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2605 if (err) {
2606 goto out;
2607 }
2608
2609 qdict_del(pdict, "qom-type");
2610 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2611 if (err) {
2612 goto out;
2613 }
2614
2615 qdict_del(pdict, "id");
2616 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2617 if (err) {
2618 goto out;
2619 }
2620
2621 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2622 if (err) {
2623 goto out;
2624 }
2625 visit_end_struct(opts_get_visitor(ov), &err);
2626 if (err) {
2627 qmp_object_del(id, NULL);
2628 }
2629
2630 out:
2631 opts_visitor_cleanup(ov);
2632
2633 QDECREF(pdict);
2634 g_free(id);
2635 g_free(type);
2636 g_free(dummy);
2637 if (err) {
2638 error_report_err(err);
2639 return -1;
2640 }
2641 return 0;
2642 }
2643
2644 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2645 {
2646 uint64_t sz;
2647 const char *mem_str;
2648 const char *maxmem_str, *slots_str;
2649 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2650 1024 * 1024;
2651 QemuOpts *opts = qemu_find_opts_singleton("memory");
2652
2653 sz = 0;
2654 mem_str = qemu_opt_get(opts, "size");
2655 if (mem_str) {
2656 if (!*mem_str) {
2657 error_report("missing 'size' option value");
2658 exit(EXIT_FAILURE);
2659 }
2660
2661 sz = qemu_opt_get_size(opts, "size", ram_size);
2662
2663 /* Fix up legacy suffix-less format */
2664 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2665 uint64_t overflow_check = sz;
2666
2667 sz <<= 20;
2668 if ((sz >> 20) != overflow_check) {
2669 error_report("too large 'size' option value");
2670 exit(EXIT_FAILURE);
2671 }
2672 }
2673 }
2674
2675 /* backward compatibility behaviour for case "-m 0" */
2676 if (sz == 0) {
2677 sz = default_ram_size;
2678 }
2679
2680 sz = QEMU_ALIGN_UP(sz, 8192);
2681 ram_size = sz;
2682 if (ram_size != sz) {
2683 error_report("ram size too large");
2684 exit(EXIT_FAILURE);
2685 }
2686
2687 /* store value for the future use */
2688 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2689 *maxram_size = ram_size;
2690
2691 maxmem_str = qemu_opt_get(opts, "maxmem");
2692 slots_str = qemu_opt_get(opts, "slots");
2693 if (maxmem_str && slots_str) {
2694 uint64_t slots;
2695
2696 sz = qemu_opt_get_size(opts, "maxmem", 0);
2697 slots = qemu_opt_get_number(opts, "slots", 0);
2698 if (sz < ram_size) {
2699 error_report("invalid value of -m option maxmem: "
2700 "maximum memory size (0x%" PRIx64 ") must be at least "
2701 "the initial memory size (0x" RAM_ADDR_FMT ")",
2702 sz, ram_size);
2703 exit(EXIT_FAILURE);
2704 } else if (sz > ram_size) {
2705 if (!slots) {
2706 error_report("invalid value of -m option: maxmem was "
2707 "specified, but no hotplug slots were specified");
2708 exit(EXIT_FAILURE);
2709 }
2710 } else if (slots) {
2711 error_report("invalid value of -m option maxmem: "
2712 "memory slots were specified but maximum memory size "
2713 "(0x%" PRIx64 ") is equal to the initial memory size "
2714 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2715 exit(EXIT_FAILURE);
2716 }
2717
2718 *maxram_size = sz;
2719 *ram_slots = slots;
2720 } else if ((!maxmem_str && slots_str) ||
2721 (maxmem_str && !slots_str)) {
2722 error_report("invalid -m option value: missing "
2723 "'%s' option", slots_str ? "maxmem" : "slots");
2724 exit(EXIT_FAILURE);
2725 }
2726 }
2727
2728 int main(int argc, char **argv, char **envp)
2729 {
2730 int i;
2731 int snapshot, linux_boot;
2732 const char *initrd_filename;
2733 const char *kernel_filename, *kernel_cmdline;
2734 const char *boot_order = NULL;
2735 const char *boot_once = NULL;
2736 DisplayState *ds;
2737 int cyls, heads, secs, translation;
2738 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2739 QemuOptsList *olist;
2740 int optind;
2741 const char *optarg;
2742 const char *loadvm = NULL;
2743 MachineClass *machine_class;
2744 const char *cpu_model;
2745 const char *vga_model = NULL;
2746 const char *qtest_chrdev = NULL;
2747 const char *qtest_log = NULL;
2748 const char *pid_file = NULL;
2749 const char *incoming = NULL;
2750 #ifdef CONFIG_VNC
2751 int show_vnc_port = 0;
2752 #endif
2753 bool defconfig = true;
2754 bool userconfig = true;
2755 const char *log_mask = NULL;
2756 const char *log_file = NULL;
2757 GMemVTable mem_trace = {
2758 .malloc = malloc_and_trace,
2759 .realloc = realloc_and_trace,
2760 .free = free_and_trace,
2761 };
2762 const char *trace_events = NULL;
2763 const char *trace_file = NULL;
2764 ram_addr_t maxram_size;
2765 uint64_t ram_slots = 0;
2766 FILE *vmstate_dump_file = NULL;
2767 Error *main_loop_err = NULL;
2768
2769 qemu_init_cpu_loop();
2770 qemu_mutex_lock_iothread();
2771
2772 atexit(qemu_run_exit_notifiers);
2773 error_set_progname(argv[0]);
2774 qemu_init_exec_dir(argv[0]);
2775
2776 g_mem_set_vtable(&mem_trace);
2777
2778 module_call_init(MODULE_INIT_QOM);
2779
2780 qemu_add_opts(&qemu_drive_opts);
2781 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2782 qemu_add_drive_opts(&qemu_common_drive_opts);
2783 qemu_add_drive_opts(&qemu_drive_opts);
2784 qemu_add_opts(&qemu_chardev_opts);
2785 qemu_add_opts(&qemu_device_opts);
2786 qemu_add_opts(&qemu_netdev_opts);
2787 qemu_add_opts(&qemu_net_opts);
2788 qemu_add_opts(&qemu_rtc_opts);
2789 qemu_add_opts(&qemu_global_opts);
2790 qemu_add_opts(&qemu_mon_opts);
2791 qemu_add_opts(&qemu_trace_opts);
2792 qemu_add_opts(&qemu_option_rom_opts);
2793 qemu_add_opts(&qemu_machine_opts);
2794 qemu_add_opts(&qemu_mem_opts);
2795 qemu_add_opts(&qemu_smp_opts);
2796 qemu_add_opts(&qemu_boot_opts);
2797 qemu_add_opts(&qemu_sandbox_opts);
2798 qemu_add_opts(&qemu_add_fd_opts);
2799 qemu_add_opts(&qemu_object_opts);
2800 qemu_add_opts(&qemu_tpmdev_opts);
2801 qemu_add_opts(&qemu_realtime_opts);
2802 qemu_add_opts(&qemu_msg_opts);
2803 qemu_add_opts(&qemu_name_opts);
2804 qemu_add_opts(&qemu_numa_opts);
2805 qemu_add_opts(&qemu_icount_opts);
2806 qemu_add_opts(&qemu_semihosting_config_opts);
2807
2808 runstate_init();
2809
2810 rtc_clock = QEMU_CLOCK_HOST;
2811
2812 QLIST_INIT (&vm_change_state_head);
2813 os_setup_early_signal_handling();
2814
2815 module_call_init(MODULE_INIT_MACHINE);
2816 machine_class = find_default_machine();
2817 cpu_model = NULL;
2818 snapshot = 0;
2819 cyls = heads = secs = 0;
2820 translation = BIOS_ATA_TRANSLATION_AUTO;
2821
2822 nb_nics = 0;
2823
2824 bdrv_init_with_whitelist();
2825
2826 autostart = 1;
2827
2828 /* first pass of option parsing */
2829 optind = 1;
2830 while (optind < argc) {
2831 if (argv[optind][0] != '-') {
2832 /* disk image */
2833 optind++;
2834 } else {
2835 const QEMUOption *popt;
2836
2837 popt = lookup_opt(argc, argv, &optarg, &optind);
2838 switch (popt->index) {
2839 case QEMU_OPTION_nodefconfig:
2840 defconfig = false;
2841 break;
2842 case QEMU_OPTION_nouserconfig:
2843 userconfig = false;
2844 break;
2845 }
2846 }
2847 }
2848
2849 if (defconfig) {
2850 int ret;
2851 ret = qemu_read_default_config_files(userconfig);
2852 if (ret < 0) {
2853 exit(1);
2854 }
2855 }
2856
2857 /* second pass of option parsing */
2858 optind = 1;
2859 for(;;) {
2860 if (optind >= argc)
2861 break;
2862 if (argv[optind][0] != '-') {
2863 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2864 } else {
2865 const QEMUOption *popt;
2866
2867 popt = lookup_opt(argc, argv, &optarg, &optind);
2868 if (!(popt->arch_mask & arch_type)) {
2869 printf("Option %s not supported for this target\n", popt->name);
2870 exit(1);
2871 }
2872 switch(popt->index) {
2873 case QEMU_OPTION_no_kvm_irqchip: {
2874 olist = qemu_find_opts("machine");
2875 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2876 break;
2877 }
2878 case QEMU_OPTION_cpu:
2879 /* hw initialization will check this */
2880 cpu_model = optarg;
2881 break;
2882 case QEMU_OPTION_hda:
2883 {
2884 char buf[256];
2885 if (cyls == 0)
2886 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2887 else
2888 snprintf(buf, sizeof(buf),
2889 "%s,cyls=%d,heads=%d,secs=%d%s",
2890 HD_OPTS , cyls, heads, secs,
2891 translation == BIOS_ATA_TRANSLATION_LBA ?
2892 ",trans=lba" :
2893 translation == BIOS_ATA_TRANSLATION_NONE ?
2894 ",trans=none" : "");
2895 drive_add(IF_DEFAULT, 0, optarg, buf);
2896 break;
2897 }
2898 case QEMU_OPTION_hdb:
2899 case QEMU_OPTION_hdc:
2900 case QEMU_OPTION_hdd:
2901 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2902 HD_OPTS);
2903 break;
2904 case QEMU_OPTION_drive:
2905 if (drive_def(optarg) == NULL) {
2906 exit(1);
2907 }
2908 break;
2909 case QEMU_OPTION_set:
2910 if (qemu_set_option(optarg) != 0)
2911 exit(1);
2912 break;
2913 case QEMU_OPTION_global:
2914 if (qemu_global_option(optarg) != 0)
2915 exit(1);
2916 break;
2917 case QEMU_OPTION_mtdblock:
2918 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2919 break;
2920 case QEMU_OPTION_sd:
2921 drive_add(IF_SD, -1, optarg, SD_OPTS);
2922 break;
2923 case QEMU_OPTION_pflash:
2924 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2925 break;
2926 case QEMU_OPTION_snapshot:
2927 snapshot = 1;
2928 break;
2929 case QEMU_OPTION_hdachs:
2930 {
2931 const char *p;
2932 p = optarg;
2933 cyls = strtol(p, (char **)&p, 0);
2934 if (cyls < 1 || cyls > 16383)
2935 goto chs_fail;
2936 if (*p != ',')
2937 goto chs_fail;
2938 p++;
2939 heads = strtol(p, (char **)&p, 0);
2940 if (heads < 1 || heads > 16)
2941 goto chs_fail;
2942 if (*p != ',')
2943 goto chs_fail;
2944 p++;
2945 secs = strtol(p, (char **)&p, 0);
2946 if (secs < 1 || secs > 63)
2947 goto chs_fail;
2948 if (*p == ',') {
2949 p++;
2950 if (!strcmp(p, "large")) {
2951 translation = BIOS_ATA_TRANSLATION_LARGE;
2952 } else if (!strcmp(p, "rechs")) {
2953 translation = BIOS_ATA_TRANSLATION_RECHS;
2954 } else if (!strcmp(p, "none")) {
2955 translation = BIOS_ATA_TRANSLATION_NONE;
2956 } else if (!strcmp(p, "lba")) {
2957 translation = BIOS_ATA_TRANSLATION_LBA;
2958 } else if (!strcmp(p, "auto")) {
2959 translation = BIOS_ATA_TRANSLATION_AUTO;
2960 } else {
2961 goto chs_fail;
2962 }
2963 } else if (*p != '\0') {
2964 chs_fail:
2965 fprintf(stderr, "qemu: invalid physical CHS format\n");
2966 exit(1);
2967 }
2968 if (hda_opts != NULL) {
2969 qemu_opt_set_number(hda_opts, "cyls", cyls,
2970 &error_abort);
2971 qemu_opt_set_number(hda_opts, "heads", heads,
2972 &error_abort);
2973 qemu_opt_set_number(hda_opts, "secs", secs,
2974 &error_abort);
2975 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2976 qemu_opt_set(hda_opts, "trans", "large",
2977 &error_abort);
2978 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2979 qemu_opt_set(hda_opts, "trans", "rechs",
2980 &error_abort);
2981 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2982 qemu_opt_set(hda_opts, "trans", "lba",
2983 &error_abort);
2984 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2985 qemu_opt_set(hda_opts, "trans", "none",
2986 &error_abort);
2987 }
2988 }
2989 }
2990 break;
2991 case QEMU_OPTION_numa:
2992 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2993 if (!opts) {
2994 exit(1);
2995 }
2996 break;
2997 case QEMU_OPTION_display:
2998 display_type = select_display(optarg);
2999 break;
3000 case QEMU_OPTION_nographic:
3001 display_type = DT_NOGRAPHIC;
3002 break;
3003 case QEMU_OPTION_curses:
3004 #ifdef CONFIG_CURSES
3005 display_type = DT_CURSES;
3006 #else
3007 fprintf(stderr, "Curses support is disabled\n");
3008 exit(1);
3009 #endif
3010 break;
3011 case QEMU_OPTION_portrait:
3012 graphic_rotate = 90;
3013 break;
3014 case QEMU_OPTION_rotate:
3015 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3016 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3017 graphic_rotate != 180 && graphic_rotate != 270) {
3018 fprintf(stderr,
3019 "qemu: only 90, 180, 270 deg rotation is available\n");
3020 exit(1);
3021 }
3022 break;
3023 case QEMU_OPTION_kernel:
3024 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3025 &error_abort);
3026 break;
3027 case QEMU_OPTION_initrd:
3028 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3029 &error_abort);
3030 break;
3031 case QEMU_OPTION_append:
3032 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3033 &error_abort);
3034 break;
3035 case QEMU_OPTION_dtb:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3037 &error_abort);
3038 break;
3039 case QEMU_OPTION_cdrom:
3040 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3041 break;
3042 case QEMU_OPTION_boot:
3043 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3044 if (!opts) {
3045 exit(1);
3046 }
3047 break;
3048 case QEMU_OPTION_fda:
3049 case QEMU_OPTION_fdb:
3050 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3051 optarg, FD_OPTS);
3052 break;
3053 case QEMU_OPTION_no_fd_bootchk:
3054 fd_bootchk = 0;
3055 break;
3056 case QEMU_OPTION_netdev:
3057 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3058 exit(1);
3059 }
3060 break;
3061 case QEMU_OPTION_net:
3062 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3063 exit(1);
3064 }
3065 break;
3066 #ifdef CONFIG_LIBISCSI
3067 case QEMU_OPTION_iscsi:
3068 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3069 if (!opts) {
3070 exit(1);
3071 }
3072 break;
3073 #endif
3074 #ifdef CONFIG_SLIRP
3075 case QEMU_OPTION_tftp:
3076 legacy_tftp_prefix = optarg;
3077 break;
3078 case QEMU_OPTION_bootp:
3079 legacy_bootp_filename = optarg;
3080 break;
3081 case QEMU_OPTION_redir:
3082 if (net_slirp_redir(optarg) < 0)
3083 exit(1);
3084 break;
3085 #endif
3086 case QEMU_OPTION_bt:
3087 add_device_config(DEV_BT, optarg);
3088 break;
3089 case QEMU_OPTION_audio_help:
3090 AUD_help ();
3091 exit (0);
3092 break;
3093 case QEMU_OPTION_soundhw:
3094 select_soundhw (optarg);
3095 break;
3096 case QEMU_OPTION_h:
3097 help(0);
3098 break;
3099 case QEMU_OPTION_version:
3100 version();
3101 exit(0);
3102 break;
3103 case QEMU_OPTION_m:
3104 opts = qemu_opts_parse(qemu_find_opts("memory"),
3105 optarg, 1);
3106 if (!opts) {
3107 exit(EXIT_FAILURE);
3108 }
3109 break;
3110 #ifdef CONFIG_TPM
3111 case QEMU_OPTION_tpmdev:
3112 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3113 exit(1);
3114 }
3115 break;
3116 #endif
3117 case QEMU_OPTION_mempath:
3118 mem_path = optarg;
3119 break;
3120 case QEMU_OPTION_mem_prealloc:
3121 mem_prealloc = 1;
3122 break;
3123 case QEMU_OPTION_d:
3124 log_mask = optarg;
3125 break;
3126 case QEMU_OPTION_D:
3127 log_file = optarg;
3128 break;
3129 case QEMU_OPTION_s:
3130 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3131 break;
3132 case QEMU_OPTION_gdb:
3133 add_device_config(DEV_GDB, optarg);
3134 break;
3135 case QEMU_OPTION_L:
3136 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3137 data_dir[data_dir_idx++] = optarg;
3138 }
3139 break;
3140 case QEMU_OPTION_bios:
3141 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3142 &error_abort);
3143 break;
3144 case QEMU_OPTION_singlestep:
3145 singlestep = 1;
3146 break;
3147 case QEMU_OPTION_S:
3148 autostart = 0;
3149 break;
3150 case QEMU_OPTION_k:
3151 keyboard_layout = optarg;
3152 break;
3153 case QEMU_OPTION_localtime:
3154 rtc_utc = 0;
3155 break;
3156 case QEMU_OPTION_vga:
3157 vga_model = optarg;
3158 default_vga = 0;
3159 break;
3160 case QEMU_OPTION_g:
3161 {
3162 const char *p;
3163 int w, h, depth;
3164 p = optarg;
3165 w = strtol(p, (char **)&p, 10);
3166 if (w <= 0) {
3167 graphic_error:
3168 fprintf(stderr, "qemu: invalid resolution or depth\n");
3169 exit(1);
3170 }
3171 if (*p != 'x')
3172 goto graphic_error;
3173 p++;
3174 h = strtol(p, (char **)&p, 10);
3175 if (h <= 0)
3176 goto graphic_error;
3177 if (*p == 'x') {
3178 p++;
3179 depth = strtol(p, (char **)&p, 10);
3180 if (depth != 8 && depth != 15 && depth != 16 &&
3181 depth != 24 && depth != 32)
3182 goto graphic_error;
3183 } else if (*p == '\0') {
3184 depth = graphic_depth;
3185 } else {
3186 goto graphic_error;
3187 }
3188
3189 graphic_width = w;
3190 graphic_height = h;
3191 graphic_depth = depth;
3192 }
3193 break;
3194 case QEMU_OPTION_echr:
3195 {
3196 char *r;
3197 term_escape_char = strtol(optarg, &r, 0);
3198 if (r == optarg)
3199 printf("Bad argument to echr\n");
3200 break;
3201 }
3202 case QEMU_OPTION_monitor:
3203 default_monitor = 0;
3204 if (strncmp(optarg, "none", 4)) {
3205 monitor_parse(optarg, "readline", false);
3206 }
3207 break;
3208 case QEMU_OPTION_qmp:
3209 monitor_parse(optarg, "control", false);
3210 default_monitor = 0;
3211 break;
3212 case QEMU_OPTION_qmp_pretty:
3213 monitor_parse(optarg, "control", true);
3214 default_monitor = 0;
3215 break;
3216 case QEMU_OPTION_mon:
3217 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 default_monitor = 0;
3222 break;
3223 case QEMU_OPTION_chardev:
3224 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3225 if (!opts) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_fsdev:
3230 olist = qemu_find_opts("fsdev");
3231 if (!olist) {
3232 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3233 exit(1);
3234 }
3235 opts = qemu_opts_parse(olist, optarg, 1);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_virtfs: {
3241 QemuOpts *fsdev;
3242 QemuOpts *device;
3243 const char *writeout, *sock_fd, *socket;
3244
3245 olist = qemu_find_opts("virtfs");
3246 if (!olist) {
3247 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3248 exit(1);
3249 }
3250 opts = qemu_opts_parse(olist, optarg, 1);
3251 if (!opts) {
3252 exit(1);
3253 }
3254
3255 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3256 qemu_opt_get(opts, "mount_tag") == NULL) {
3257 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3258 exit(1);
3259 }
3260 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3261 qemu_opt_get(opts, "mount_tag"),
3262 1, NULL);
3263 if (!fsdev) {
3264 fprintf(stderr, "duplicate fsdev id: %s\n",
3265 qemu_opt_get(opts, "mount_tag"));
3266 exit(1);
3267 }
3268
3269 writeout = qemu_opt_get(opts, "writeout");
3270 if (writeout) {
3271 #ifdef CONFIG_SYNC_FILE_RANGE
3272 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3273 #else
3274 fprintf(stderr, "writeout=immediate not supported on "
3275 "this platform\n");
3276 exit(1);
3277 #endif
3278 }
3279 qemu_opt_set(fsdev, "fsdriver",
3280 qemu_opt_get(opts, "fsdriver"), &error_abort);
3281 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3282 &error_abort);
3283 qemu_opt_set(fsdev, "security_model",
3284 qemu_opt_get(opts, "security_model"),
3285 &error_abort);
3286 socket = qemu_opt_get(opts, "socket");
3287 if (socket) {
3288 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3289 }
3290 sock_fd = qemu_opt_get(opts, "sock_fd");
3291 if (sock_fd) {
3292 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3293 }
3294
3295 qemu_opt_set_bool(fsdev, "readonly",
3296 qemu_opt_get_bool(opts, "readonly", 0),
3297 &error_abort);
3298 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3299 &error_abort);
3300 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3301 qemu_opt_set(device, "fsdev",
3302 qemu_opt_get(opts, "mount_tag"), &error_abort);
3303 qemu_opt_set(device, "mount_tag",
3304 qemu_opt_get(opts, "mount_tag"), &error_abort);
3305 break;
3306 }
3307 case QEMU_OPTION_virtfs_synth: {
3308 QemuOpts *fsdev;
3309 QemuOpts *device;
3310
3311 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3312 1, NULL);
3313 if (!fsdev) {
3314 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3315 exit(1);
3316 }
3317 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3318
3319 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3320 &error_abort);
3321 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3322 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3323 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3324 break;
3325 }
3326 case QEMU_OPTION_serial:
3327 add_device_config(DEV_SERIAL, optarg);
3328 default_serial = 0;
3329 if (strncmp(optarg, "mon:", 4) == 0) {
3330 default_monitor = 0;
3331 }
3332 break;
3333 case QEMU_OPTION_watchdog:
3334 if (watchdog) {
3335 fprintf(stderr,
3336 "qemu: only one watchdog option may be given\n");
3337 return 1;
3338 }
3339 watchdog = optarg;
3340 break;
3341 case QEMU_OPTION_watchdog_action:
3342 if (select_watchdog_action(optarg) == -1) {
3343 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3344 exit(1);
3345 }
3346 break;
3347 case QEMU_OPTION_virtiocon:
3348 add_device_config(DEV_VIRTCON, optarg);
3349 default_virtcon = 0;
3350 if (strncmp(optarg, "mon:", 4) == 0) {
3351 default_monitor = 0;
3352 }
3353 break;
3354 case QEMU_OPTION_parallel:
3355 add_device_config(DEV_PARALLEL, optarg);
3356 default_parallel = 0;
3357 if (strncmp(optarg, "mon:", 4) == 0) {
3358 default_monitor = 0;
3359 }
3360 break;
3361 case QEMU_OPTION_debugcon:
3362 add_device_config(DEV_DEBUGCON, optarg);
3363 break;
3364 case QEMU_OPTION_loadvm:
3365 loadvm = optarg;
3366 break;
3367 case QEMU_OPTION_full_screen:
3368 full_screen = 1;
3369 break;
3370 case QEMU_OPTION_no_frame:
3371 no_frame = 1;
3372 break;
3373 case QEMU_OPTION_alt_grab:
3374 alt_grab = 1;
3375 break;
3376 case QEMU_OPTION_ctrl_grab:
3377 ctrl_grab = 1;
3378 break;
3379 case QEMU_OPTION_no_quit:
3380 no_quit = 1;
3381 break;
3382 case QEMU_OPTION_sdl:
3383 #ifdef CONFIG_SDL
3384 display_type = DT_SDL;
3385 break;
3386 #else
3387 fprintf(stderr, "SDL support is disabled\n");
3388 exit(1);
3389 #endif
3390 case QEMU_OPTION_pidfile:
3391 pid_file = optarg;
3392 break;
3393 case QEMU_OPTION_win2k_hack:
3394 win2k_install_hack = 1;
3395 break;
3396 case QEMU_OPTION_rtc_td_hack: {
3397 static GlobalProperty slew_lost_ticks[] = {
3398 {
3399 .driver = "mc146818rtc",
3400 .property = "lost_tick_policy",
3401 .value = "slew",
3402 },
3403 { /* end of list */ }
3404 };
3405
3406 qdev_prop_register_global_list(slew_lost_ticks);
3407 break;
3408 }
3409 case QEMU_OPTION_acpitable:
3410 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3411 if (!opts) {
3412 exit(1);
3413 }
3414 do_acpitable_option(opts);
3415 break;
3416 case QEMU_OPTION_smbios:
3417 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3418 if (!opts) {
3419 exit(1);
3420 }
3421 do_smbios_option(opts);
3422 break;
3423 case QEMU_OPTION_enable_kvm:
3424 olist = qemu_find_opts("machine");
3425 qemu_opts_parse(olist, "accel=kvm", 0);
3426 break;
3427 case QEMU_OPTION_M:
3428 case QEMU_OPTION_machine:
3429 olist = qemu_find_opts("machine");
3430 opts = qemu_opts_parse(olist, optarg, 1);
3431 if (!opts) {
3432 exit(1);
3433 }
3434 break;
3435 case QEMU_OPTION_no_kvm:
3436 olist = qemu_find_opts("machine");
3437 qemu_opts_parse(olist, "accel=tcg", 0);
3438 break;
3439 case QEMU_OPTION_no_kvm_pit: {
3440 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3441 "separately.\n");
3442 break;
3443 }
3444 case QEMU_OPTION_no_kvm_pit_reinjection: {
3445 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3446 {
3447 .driver = "kvm-pit",
3448 .property = "lost_tick_policy",
3449 .value = "discard",
3450 },
3451 { /* end of list */ }
3452 };
3453
3454 fprintf(stderr, "Warning: option deprecated, use "
3455 "lost_tick_policy property of kvm-pit instead.\n");
3456 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3457 break;
3458 }
3459 case QEMU_OPTION_usb:
3460 olist = qemu_find_opts("machine");
3461 qemu_opts_parse(olist, "usb=on", 0);
3462 break;
3463 case QEMU_OPTION_usbdevice:
3464 olist = qemu_find_opts("machine");
3465 qemu_opts_parse(olist, "usb=on", 0);
3466 add_device_config(DEV_USB, optarg);
3467 break;
3468 case QEMU_OPTION_device:
3469 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_smp:
3474 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_vnc:
3479 #ifdef CONFIG_VNC
3480 display_remote++;
3481 if (vnc_parse_func(optarg) == NULL) {
3482 exit(1);
3483 }
3484 #else
3485 fprintf(stderr, "VNC support is disabled\n");
3486 exit(1);
3487 #endif
3488 break;
3489 case QEMU_OPTION_no_acpi:
3490 acpi_enabled = 0;
3491 break;
3492 case QEMU_OPTION_no_hpet:
3493 no_hpet = 1;
3494 break;
3495 case QEMU_OPTION_balloon:
3496 if (balloon_parse(optarg) < 0) {
3497 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3498 exit(1);
3499 }
3500 break;
3501 case QEMU_OPTION_no_reboot:
3502 no_reboot = 1;
3503 break;
3504 case QEMU_OPTION_no_shutdown:
3505 no_shutdown = 1;
3506 break;
3507 case QEMU_OPTION_show_cursor:
3508 cursor_hide = 0;
3509 break;
3510 case QEMU_OPTION_uuid:
3511 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3512 fprintf(stderr, "Fail to parse UUID string."
3513 " Wrong format.\n");
3514 exit(1);
3515 }
3516 qemu_uuid_set = true;
3517 break;
3518 case QEMU_OPTION_option_rom:
3519 if (nb_option_roms >= MAX_OPTION_ROMS) {
3520 fprintf(stderr, "Too many option ROMs\n");
3521 exit(1);
3522 }
3523 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3524 if (!opts) {
3525 exit(1);
3526 }
3527 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3528 option_rom[nb_option_roms].bootindex =
3529 qemu_opt_get_number(opts, "bootindex", -1);
3530 if (!option_rom[nb_option_roms].name) {
3531 fprintf(stderr, "Option ROM file is not specified\n");
3532 exit(1);
3533 }
3534 nb_option_roms++;
3535 break;
3536 case QEMU_OPTION_semihosting:
3537 semihosting_enabled = 1;
3538 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3539 break;
3540 case QEMU_OPTION_semihosting_config:
3541 semihosting_enabled = 1;
3542 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3543 optarg, 0);
3544 if (opts != NULL) {
3545 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3546 true);
3547 const char *target = qemu_opt_get(opts, "target");
3548 if (target != NULL) {
3549 if (strcmp("native", target) == 0) {
3550 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3551 } else if (strcmp("gdb", target) == 0) {
3552 semihosting_target = SEMIHOSTING_TARGET_GDB;
3553 } else if (strcmp("auto", target) == 0) {
3554 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3555 } else {
3556 fprintf(stderr, "Unsupported semihosting-config"
3557 " %s\n",
3558 optarg);
3559 exit(1);
3560 }
3561 } else {
3562 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3563 }
3564 } else {
3565 fprintf(stderr, "Unsupported semihosting-config %s\n",
3566 optarg);
3567 exit(1);
3568 }
3569 break;
3570 case QEMU_OPTION_tdf:
3571 fprintf(stderr, "Warning: user space PIT time drift fix "
3572 "is no longer supported.\n");
3573 break;
3574 case QEMU_OPTION_name:
3575 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3576 if (!opts) {
3577 exit(1);
3578 }
3579 break;
3580 case QEMU_OPTION_prom_env:
3581 if (nb_prom_envs >= MAX_PROM_ENVS) {
3582 fprintf(stderr, "Too many prom variables\n");
3583 exit(1);
3584 }
3585 prom_envs[nb_prom_envs] = optarg;
3586 nb_prom_envs++;
3587 break;
3588 case QEMU_OPTION_old_param:
3589 old_param = 1;
3590 break;
3591 case QEMU_OPTION_clock:
3592 /* Clock options no longer exist. Keep this option for
3593 * backward compatibility.
3594 */
3595 break;
3596 case QEMU_OPTION_startdate:
3597 configure_rtc_date_offset(optarg, 1);
3598 break;
3599 case QEMU_OPTION_rtc:
3600 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3601 if (!opts) {
3602 exit(1);
3603 }
3604 configure_rtc(opts);
3605 break;
3606 case QEMU_OPTION_tb_size:
3607 tcg_tb_size = strtol(optarg, NULL, 0);
3608 if (tcg_tb_size < 0) {
3609 tcg_tb_size = 0;
3610 }
3611 break;
3612 case QEMU_OPTION_icount:
3613 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3614 optarg, 1);
3615 if (!icount_opts) {
3616 exit(1);
3617 }
3618 break;
3619 case QEMU_OPTION_incoming:
3620 incoming = optarg;
3621 runstate_set(RUN_STATE_INMIGRATE);
3622 break;
3623 case QEMU_OPTION_nodefaults:
3624 has_defaults = 0;
3625 break;
3626 case QEMU_OPTION_xen_domid:
3627 if (!(xen_available())) {
3628 printf("Option %s not supported for this target\n", popt->name);
3629 exit(1);
3630 }
3631 xen_domid = atoi(optarg);
3632 break;
3633 case QEMU_OPTION_xen_create:
3634 if (!(xen_available())) {
3635 printf("Option %s not supported for this target\n", popt->name);
3636 exit(1);
3637 }
3638 xen_mode = XEN_CREATE;
3639 break;
3640 case QEMU_OPTION_xen_attach:
3641 if (!(xen_available())) {
3642 printf("Option %s not supported for this target\n", popt->name);
3643 exit(1);
3644 }
3645 xen_mode = XEN_ATTACH;
3646 break;
3647 case QEMU_OPTION_trace:
3648 {
3649 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 trace_events = qemu_opt_get(opts, "events");
3654 trace_file = qemu_opt_get(opts, "file");
3655 break;
3656 }
3657 case QEMU_OPTION_readconfig:
3658 {
3659 int ret = qemu_read_config_file(optarg);
3660 if (ret < 0) {
3661 fprintf(stderr, "read config %s: %s\n", optarg,
3662 strerror(-ret));
3663 exit(1);
3664 }
3665 break;
3666 }
3667 case QEMU_OPTION_spice:
3668 olist = qemu_find_opts("spice");
3669 if (!olist) {
3670 fprintf(stderr, "spice is not supported by this qemu build.\n");
3671 exit(1);
3672 }
3673 opts = qemu_opts_parse(olist, optarg, 0);
3674 if (!opts) {
3675 exit(1);
3676 }
3677 display_remote++;
3678 break;
3679 case QEMU_OPTION_writeconfig:
3680 {
3681 FILE *fp;
3682 if (strcmp(optarg, "-") == 0) {
3683 fp = stdout;
3684 } else {
3685 fp = fopen(optarg, "w");
3686 if (fp == NULL) {
3687 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3688 exit(1);
3689 }
3690 }
3691 qemu_config_write(fp);
3692 if (fp != stdout) {
3693 fclose(fp);
3694 }
3695 break;
3696 }
3697 case QEMU_OPTION_qtest:
3698 qtest_chrdev = optarg;
3699 break;
3700 case QEMU_OPTION_qtest_log:
3701 qtest_log = optarg;
3702 break;
3703 case QEMU_OPTION_sandbox:
3704 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3705 if (!opts) {
3706 exit(1);
3707 }
3708 break;
3709 case QEMU_OPTION_add_fd:
3710 #ifndef _WIN32
3711 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3712 if (!opts) {
3713 exit(1);
3714 }
3715 #else
3716 error_report("File descriptor passing is disabled on this "
3717 "platform");
3718 exit(1);
3719 #endif
3720 break;
3721 case QEMU_OPTION_object:
3722 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3723 if (!opts) {
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_realtime:
3728 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3729 if (!opts) {
3730 exit(1);
3731 }
3732 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3733 break;
3734 case QEMU_OPTION_msg:
3735 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3736 if (!opts) {
3737 exit(1);
3738 }
3739 configure_msg(opts);
3740 break;
3741 case QEMU_OPTION_dump_vmstate:
3742 if (vmstate_dump_file) {
3743 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3744 "option may be given\n");
3745 exit(1);
3746 }
3747 vmstate_dump_file = fopen(optarg, "w");
3748 if (vmstate_dump_file == NULL) {
3749 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3750 exit(1);
3751 }
3752 break;
3753 default:
3754 os_parse_cmd_args(popt->index, optarg);
3755 }
3756 }
3757 }
3758
3759 opts = qemu_get_machine_opts();
3760 optarg = qemu_opt_get(opts, "type");
3761 if (optarg) {
3762 machine_class = machine_parse(optarg);
3763 }
3764
3765 set_memory_options(&ram_slots, &maxram_size);
3766
3767 loc_set_none();
3768
3769 os_daemonize();
3770
3771 if (qemu_init_main_loop(&main_loop_err)) {
3772 error_report_err(main_loop_err);
3773 exit(1);
3774 }
3775
3776 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3777 exit(1);
3778 }
3779
3780 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3781 exit(1);
3782 }
3783
3784 #ifndef _WIN32
3785 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3786 exit(1);
3787 }
3788
3789 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3790 exit(1);
3791 }
3792 #endif
3793
3794 if (machine_class == NULL) {
3795 fprintf(stderr, "No machine specified, and there is no default.\n"
3796 "Use -machine help to list supported machines!\n");
3797 exit(1);
3798 }
3799
3800 current_machine = MACHINE(object_new(object_class_get_name(
3801 OBJECT_CLASS(machine_class))));
3802 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3803 exit(0);
3804 }
3805 object_property_add_child(object_get_root(), "machine",
3806 OBJECT(current_machine), &error_abort);
3807 cpu_exec_init_all();
3808
3809 if (machine_class->hw_version) {
3810 qemu_set_version(machine_class->hw_version);
3811 }
3812
3813 /* Init CPU def lists, based on config
3814 * - Must be called after all the qemu_read_config_file() calls
3815 * - Must be called before list_cpus()
3816 * - Must be called before machine->init()
3817 */
3818 cpudef_init();
3819
3820 if (cpu_model && is_help_option(cpu_model)) {
3821 list_cpus(stdout, &fprintf, cpu_model);
3822 exit(0);
3823 }
3824
3825 /* Open the logfile at this point, if necessary. We can't open the logfile
3826 * when encountering either of the logging options (-d or -D) because the
3827 * other one may be encountered later on the command line, changing the
3828 * location or level of logging.
3829 */
3830 if (log_mask) {
3831 int mask;
3832 if (log_file) {
3833 qemu_set_log_filename(log_file);
3834 }
3835
3836 mask = qemu_str_to_log_mask(log_mask);
3837 if (!mask) {
3838 qemu_print_log_usage(stdout);
3839 exit(1);
3840 }
3841 qemu_set_log(mask);
3842 }
3843
3844 if (!is_daemonized()) {
3845 if (!trace_init_backends(trace_events, trace_file)) {
3846 exit(1);
3847 }
3848 }
3849
3850 /* If no data_dir is specified then try to find it relative to the
3851 executable path. */
3852 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3853 data_dir[data_dir_idx] = os_find_datadir();
3854 if (data_dir[data_dir_idx] != NULL) {
3855 data_dir_idx++;
3856 }
3857 }
3858 /* If all else fails use the install path specified when building. */
3859 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3860 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3861 }
3862
3863 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3864
3865 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3866 if (max_cpus > machine_class->max_cpus) {
3867 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3868 "supported by machine `%s' (%d)\n", max_cpus,
3869 machine_class->name, machine_class->max_cpus);
3870 exit(1);
3871 }
3872
3873 /*
3874 * Get the default machine options from the machine if it is not already
3875 * specified either by the configuration file or by the command line.
3876 */
3877 if (machine_class->default_machine_opts) {
3878 qemu_opts_set_defaults(qemu_find_opts("machine"),
3879 machine_class->default_machine_opts, 0);
3880 }
3881
3882 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3883 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3884
3885 if (!vga_model && !default_vga) {
3886 vga_interface_type = VGA_DEVICE;
3887 }
3888 if (!has_defaults || machine_class->no_serial) {
3889 default_serial = 0;
3890 }
3891 if (!has_defaults || machine_class->no_parallel) {
3892 default_parallel = 0;
3893 }
3894 if (!has_defaults || !machine_class->use_virtcon) {
3895 default_virtcon = 0;
3896 }
3897 if (!has_defaults || !machine_class->use_sclp) {
3898 default_sclp = 0;
3899 }
3900 if (!has_defaults || machine_class->no_floppy) {
3901 default_floppy = 0;
3902 }
3903 if (!has_defaults || machine_class->no_cdrom) {
3904 default_cdrom = 0;
3905 }
3906 if (!has_defaults || machine_class->no_sdcard) {
3907 default_sdcard = 0;
3908 }
3909 if (!has_defaults) {
3910 default_monitor = 0;
3911 default_net = 0;
3912 default_vga = 0;
3913 }
3914
3915 if (is_daemonized()) {
3916 /* According to documentation and historically, -nographic redirects
3917 * serial port, parallel port and monitor to stdio, which does not work
3918 * with -daemonize. We can redirect these to null instead, but since
3919 * -nographic is legacy, let's just error out.
3920 * We disallow -nographic only if all other ports are not redirected
3921 * explicitly, to not break existing legacy setups which uses
3922 * -nographic _and_ redirects all ports explicitly - this is valid
3923 * usage, -nographic is just a no-op in this case.
3924 */
3925 if (display_type == DT_NOGRAPHIC
3926 && (default_parallel || default_serial
3927 || default_monitor || default_virtcon)) {
3928 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3929 exit(1);
3930 }
3931 #ifdef CONFIG_CURSES
3932 if (display_type == DT_CURSES) {
3933 fprintf(stderr, "curses display can not be used with -daemonize\n");
3934 exit(1);
3935 }
3936 #endif
3937 }
3938
3939 if (display_type == DT_NOGRAPHIC) {
3940 if (default_parallel)
3941 add_device_config(DEV_PARALLEL, "null");
3942 if (default_serial && default_monitor) {
3943 add_device_config(DEV_SERIAL, "mon:stdio");
3944 } else if (default_virtcon && default_monitor) {
3945 add_device_config(DEV_VIRTCON, "mon:stdio");
3946 } else if (default_sclp && default_monitor) {
3947 add_device_config(DEV_SCLP, "mon:stdio");
3948 } else {
3949 if (default_serial)
3950 add_device_config(DEV_SERIAL, "stdio");
3951 if (default_virtcon)
3952 add_device_config(DEV_VIRTCON, "stdio");
3953 if (default_sclp) {
3954 add_device_config(DEV_SCLP, "stdio");
3955 }
3956 if (default_monitor)
3957 monitor_parse("stdio", "readline", false);
3958 }
3959 } else {
3960 if (default_serial)
3961 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3962 if (default_parallel)
3963 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3964 if (default_monitor)
3965 monitor_parse("vc:80Cx24C", "readline", false);
3966 if (default_virtcon)
3967 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3968 if (default_sclp) {
3969 add_device_config(DEV_SCLP, "vc:80Cx24C");
3970 }
3971 }
3972
3973 if (display_type == DT_DEFAULT && !display_remote) {
3974 #if defined(CONFIG_GTK)
3975 display_type = DT_GTK;
3976 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3977 display_type = DT_SDL;
3978 #elif defined(CONFIG_VNC)
3979 vnc_parse_func("localhost:0,to=99,id=default");
3980 show_vnc_port = 1;
3981 #else
3982 display_type = DT_NONE;
3983 #endif
3984 }
3985
3986 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3987 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3988 "for SDL, ignoring option\n");
3989 }
3990 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3991 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3992 "ignoring option\n");
3993 }
3994
3995 #if defined(CONFIG_GTK)
3996 if (display_type == DT_GTK) {
3997 early_gtk_display_init();
3998 }
3999 #endif
4000
4001 socket_init();
4002
4003 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4004 exit(1);
4005 #ifdef CONFIG_VIRTFS
4006 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4007 exit(1);
4008 }
4009 #endif
4010
4011 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4012 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4013 exit(1);
4014 }
4015
4016 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4017 != 0) {
4018 exit(0);
4019 }
4020
4021 if (qemu_opts_foreach(qemu_find_opts("object"),
4022 object_create, NULL, 0) != 0) {
4023 exit(1);
4024 }
4025
4026 machine_opts = qemu_get_machine_opts();
4027 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4028 1) < 0) {
4029 object_unref(OBJECT(current_machine));
4030 exit(1);
4031 }
4032
4033 configure_accelerator(current_machine);
4034
4035 if (qtest_chrdev) {
4036 Error *local_err = NULL;
4037 qtest_init(qtest_chrdev, qtest_log, &local_err);
4038 if (local_err) {
4039 error_report_err(local_err);
4040 exit(1);
4041 }
4042 }
4043
4044 machine_opts = qemu_get_machine_opts();
4045 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4046 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4047 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4048 bios_name = qemu_opt_get(machine_opts, "firmware");
4049
4050 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4051 if (opts) {
4052 Error *local_err = NULL;
4053
4054 boot_order = qemu_opt_get(opts, "order");
4055 if (boot_order) {
4056 validate_bootdevices(boot_order, &local_err);
4057 if (local_err) {
4058 error_report_err(local_err);
4059 exit(1);
4060 }
4061 }
4062
4063 boot_once = qemu_opt_get(opts, "once");
4064 if (boot_once) {
4065 validate_bootdevices(boot_once, &local_err);
4066 if (local_err) {
4067 error_report_err(local_err);
4068 exit(1);
4069 }
4070 }
4071
4072 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4073 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4074 }
4075
4076 if (!boot_order) {
4077 boot_order = machine_class->default_boot_order;
4078 }
4079
4080 if (!kernel_cmdline) {
4081 kernel_cmdline = "";
4082 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4083 }
4084
4085 linux_boot = (kernel_filename != NULL);
4086
4087 if (!linux_boot && *kernel_cmdline != '\0') {
4088 fprintf(stderr, "-append only allowed with -kernel option\n");
4089 exit(1);
4090 }
4091
4092 if (!linux_boot && initrd_filename != NULL) {
4093 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4094 exit(1);
4095 }
4096
4097 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4098 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4099 exit(1);
4100 }
4101
4102 os_set_line_buffering();
4103
4104 #ifdef CONFIG_SPICE
4105 /* spice needs the timers to be initialized by this point */
4106 qemu_spice_init();
4107 #endif
4108
4109 cpu_ticks_init();
4110 if (icount_opts) {
4111 if (kvm_enabled() || xen_enabled()) {
4112 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4113 exit(1);
4114 }
4115 configure_icount(icount_opts, &error_abort);
4116 qemu_opts_del(icount_opts);
4117 }
4118
4119 /* clean up network at qemu process termination */
4120 atexit(&net_cleanup);
4121
4122 if (net_init_clients() < 0) {
4123 exit(1);
4124 }
4125
4126 #ifdef CONFIG_TPM
4127 if (tpm_init() < 0) {
4128 exit(1);
4129 }
4130 #endif
4131
4132 /* init the bluetooth world */
4133 if (foreach_device_config(DEV_BT, bt_parse))
4134 exit(1);
4135
4136 if (!xen_enabled()) {
4137 /* On 32-bit hosts, QEMU is limited by virtual address space */
4138 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4139 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4140 exit(1);
4141 }
4142 }
4143
4144 blk_mig_init();
4145 ram_mig_init();
4146
4147 /* If the currently selected machine wishes to override the units-per-bus
4148 * property of its default HBA interface type, do so now. */
4149 if (machine_class->units_per_default_bus) {
4150 override_max_devs(machine_class->block_default_type,
4151 machine_class->units_per_default_bus);
4152 }
4153
4154 /* open the virtual block devices */
4155 if (snapshot)
4156 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4157 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4158 &machine_class->block_default_type, 1) != 0) {
4159 exit(1);
4160 }
4161
4162 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4163 CDROM_OPTS);
4164 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4165 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4166
4167 parse_numa_opts();
4168
4169 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4170 exit(1);
4171 }
4172
4173 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4174 exit(1);
4175 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4176 exit(1);
4177 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4178 exit(1);
4179 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4180 exit(1);
4181 }
4182 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4183 exit(1);
4184
4185 /* If no default VGA is requested, the default is "none". */
4186 if (default_vga) {
4187 if (machine_class->default_display) {
4188 vga_model = machine_class->default_display;
4189 } else if (cirrus_vga_available()) {
4190 vga_model = "cirrus";
4191 } else if (vga_available()) {
4192 vga_model = "std";
4193 }
4194 }
4195 if (vga_model) {
4196 select_vgahw(vga_model);
4197 }
4198
4199 if (watchdog) {
4200 i = select_watchdog(watchdog);
4201 if (i > 0)
4202 exit (i == 1 ? 1 : 0);
4203 }
4204
4205 if (machine_class->compat_props) {
4206 qdev_prop_register_global_list(machine_class->compat_props);
4207 }
4208 qemu_add_globals();
4209
4210 qdev_machine_init();
4211
4212 current_machine->ram_size = ram_size;
4213 current_machine->maxram_size = maxram_size;
4214 current_machine->ram_slots = ram_slots;
4215 current_machine->boot_order = boot_order;
4216 current_machine->cpu_model = cpu_model;
4217
4218 machine_class->init(current_machine);
4219
4220 realtime_init();
4221
4222 audio_init();
4223
4224 cpu_synchronize_all_post_init();
4225
4226 numa_post_machine_init();
4227
4228 /* init USB devices */
4229 if (usb_enabled()) {
4230 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4231 exit(1);
4232 }
4233
4234 /* init generic devices */
4235 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4236 exit(1);
4237
4238 /* Did we create any drives that we failed to create a device for? */
4239 drive_check_orphaned();
4240
4241 net_check_clients();
4242
4243 if (boot_once) {
4244 Error *local_err = NULL;
4245 qemu_boot_set(boot_once, &local_err);
4246 if (local_err) {
4247 error_report("%s", error_get_pretty(local_err));
4248 exit(1);
4249 }
4250 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4251 }
4252
4253 ds = init_displaystate();
4254
4255 /* init local displays */
4256 switch (display_type) {
4257 case DT_NOGRAPHIC:
4258 (void)ds; /* avoid warning if no display is configured */
4259 break;
4260 #if defined(CONFIG_CURSES)
4261 case DT_CURSES:
4262 curses_display_init(ds, full_screen);
4263 break;
4264 #endif
4265 #if defined(CONFIG_SDL)
4266 case DT_SDL:
4267 sdl_display_init(ds, full_screen, no_frame);
4268 break;
4269 #elif defined(CONFIG_COCOA)
4270 case DT_SDL:
4271 cocoa_display_init(ds, full_screen);
4272 break;
4273 #endif
4274 #if defined(CONFIG_GTK)
4275 case DT_GTK:
4276 gtk_display_init(ds, full_screen, grab_on_hover);
4277 break;
4278 #endif
4279 default:
4280 break;
4281 }
4282
4283 /* must be after terminal init, SDL library changes signal handlers */
4284 os_setup_signal_handling();
4285
4286 #ifdef CONFIG_VNC
4287 /* init remote displays */
4288 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4289 if (show_vnc_port) {
4290 printf("VNC server running on `%s'\n",
4291 vnc_display_local_addr("default"));
4292 }
4293 #endif
4294 #ifdef CONFIG_SPICE
4295 if (using_spice) {
4296 qemu_spice_display_init();
4297 }
4298 #endif
4299
4300 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4301 exit(1);
4302 }
4303
4304 qdev_machine_creation_done();
4305
4306 if (rom_load_all() != 0) {
4307 fprintf(stderr, "rom loading failed\n");
4308 exit(1);
4309 }
4310
4311 /* TODO: once all bus devices are qdevified, this should be done
4312 * when bus is created by qdev.c */
4313 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4314 qemu_run_machine_init_done_notifiers();
4315
4316 /* Done notifiers can load ROMs */
4317 rom_load_done();
4318
4319 qemu_system_reset(VMRESET_SILENT);
4320 if (loadvm) {
4321 if (load_vmstate(loadvm) < 0) {
4322 autostart = 0;
4323 }
4324 }
4325
4326 qdev_prop_check_globals();
4327 if (vmstate_dump_file) {
4328 /* dump and exit */
4329 dump_vmstate_json_to_file(vmstate_dump_file);
4330 return 0;
4331 }
4332
4333 if (incoming) {
4334 Error *local_err = NULL;
4335 qemu_start_incoming_migration(incoming, &local_err);
4336 if (local_err) {
4337 error_report("-incoming %s: %s", incoming,
4338 error_get_pretty(local_err));
4339 error_free(local_err);
4340 exit(1);
4341 }
4342 } else if (autostart) {
4343 vm_start();
4344 }
4345
4346 os_setup_post();
4347
4348 if (is_daemonized()) {
4349 if (!trace_init_backends(trace_events, trace_file)) {
4350 exit(1);
4351 }
4352 }
4353
4354 main_loop();
4355 bdrv_close_all();
4356 pause_all_vcpus();
4357 res_free();
4358 #ifdef CONFIG_TPM
4359 tpm_cleanup();
4360 #endif
4361
4362 return 0;
4363 }
QEmu