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numa: Rename option parsing functions
[qemu/cris-port.git] / vl.c
bloba71f01569461b13a59c2d3f5034c2f28e2f1eb4f
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_trace_opts = {
268 .name = "trace",
269 .implied_opt_name = "trace",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .desc = {
272 {
273 .name = "events",
274 .type = QEMU_OPT_STRING,
275 },{
276 .name = "file",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_option_rom_opts = {
284 .name = "option-rom",
285 .implied_opt_name = "romfile",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
287 .desc = {
288 {
289 .name = "bootindex",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "romfile",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_machine_opts = {
300 .name = "machine",
301 .implied_opt_name = "type",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
304 .desc = {
305 /*
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
309 */
310 { }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_msg_opts = {
399 .name = "msg",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
401 .desc = {
402 {
403 .name = "timestamp",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_name_opts = {
411 .name = "name",
412 .implied_opt_name = "guest",
413 .merge_lists = true,
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
415 .desc = {
416 {
417 .name = "guest",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
422 }, {
423 .name = "process",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the QEMU process, as shown in top etc",
426 }, {
427 .name = "debug-threads",
428 .type = QEMU_OPT_BOOL,
429 .help = "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
431 "stable API.",
432 },
433 { /* End of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_mem_opts = {
438 .name = "memory",
439 .implied_opt_name = "size",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
441 .merge_lists = true,
442 .desc = {
443 {
444 .name = "size",
445 .type = QEMU_OPT_SIZE,
446 },
447 {
448 .name = "slots",
449 .type = QEMU_OPT_NUMBER,
450 },
451 {
452 .name = "maxmem",
453 .type = QEMU_OPT_SIZE,
454 },
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_icount_opts = {
460 .name = "icount",
461 .implied_opt_name = "shift",
462 .merge_lists = true,
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
464 .desc = {
465 {
466 .name = "shift",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "align",
470 .type = QEMU_OPT_BOOL,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_semihosting_config_opts = {
477 .name = "semihosting-config",
478 .implied_opt_name = "enable",
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
480 .desc = {
481 {
482 .name = "enable",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "target",
486 .type = QEMU_OPT_STRING,
487 },
488 { /* end of list */ }
489 },
490 };
491
492 /**
493 * Get machine options
494 *
495 * Returns: machine options (never null).
496 */
497 QemuOpts *qemu_get_machine_opts(void)
498 {
499 return qemu_find_opts_singleton("machine");
500 }
501
502 const char *qemu_get_vm_name(void)
503 {
504 return qemu_name;
505 }
506
507 static void res_free(void)
508 {
509 if (boot_splash_filedata != NULL) {
510 g_free(boot_splash_filedata);
511 boot_splash_filedata = NULL;
512 }
513 }
514
515 static int default_driver_check(QemuOpts *opts, void *opaque)
516 {
517 const char *driver = qemu_opt_get(opts, "driver");
518 int i;
519
520 if (!driver)
521 return 0;
522 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
523 if (strcmp(default_list[i].driver, driver) != 0)
524 continue;
525 *(default_list[i].flag) = 0;
526 }
527 return 0;
528 }
529
530 /***********************************************************/
531 /* QEMU state */
532
533 static RunState current_run_state = RUN_STATE_PRELAUNCH;
534
535 /* We use RUN_STATE_MAX but any invalid value will do */
536 static RunState vmstop_requested = RUN_STATE_MAX;
537 static QemuMutex vmstop_lock;
538
539 typedef struct {
540 RunState from;
541 RunState to;
542 } RunStateTransition;
543
544 static const RunStateTransition runstate_transitions_def[] = {
545 /* from -> to */
546 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
547 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
548
549 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
550 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
551
552 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
556 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
559 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
565 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
567
568 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
570
571 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
572
573 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
574 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
575 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
577 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
579 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
581 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
582 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
585
586 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
587 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
590 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
591 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
592 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
593
594 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
595 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_MAX, RUN_STATE_MAX },
601 };
602
603 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
604
605 bool runstate_check(RunState state)
606 {
607 return current_run_state == state;
608 }
609
610 static void runstate_init(void)
611 {
612 const RunStateTransition *p;
613
614 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
615 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
616 runstate_valid_transitions[p->from][p->to] = true;
617 }
618
619 qemu_mutex_init(&vmstop_lock);
620 }
621
622 /* This function will abort() on invalid state transitions */
623 void runstate_set(RunState new_state)
624 {
625 assert(new_state < RUN_STATE_MAX);
626
627 if (!runstate_valid_transitions[current_run_state][new_state]) {
628 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
629 RunState_lookup[current_run_state],
630 RunState_lookup[new_state]);
631 abort();
632 }
633 trace_runstate_set(new_state);
634 current_run_state = new_state;
635 }
636
637 int runstate_is_running(void)
638 {
639 return runstate_check(RUN_STATE_RUNNING);
640 }
641
642 bool runstate_needs_reset(void)
643 {
644 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
645 runstate_check(RUN_STATE_SHUTDOWN);
646 }
647
648 StatusInfo *qmp_query_status(Error **errp)
649 {
650 StatusInfo *info = g_malloc0(sizeof(*info));
651
652 info->running = runstate_is_running();
653 info->singlestep = singlestep;
654 info->status = current_run_state;
655
656 return info;
657 }
658
659 static bool qemu_vmstop_requested(RunState *r)
660 {
661 qemu_mutex_lock(&vmstop_lock);
662 *r = vmstop_requested;
663 vmstop_requested = RUN_STATE_MAX;
664 qemu_mutex_unlock(&vmstop_lock);
665 return *r < RUN_STATE_MAX;
666 }
667
668 void qemu_system_vmstop_request_prepare(void)
669 {
670 qemu_mutex_lock(&vmstop_lock);
671 }
672
673 void qemu_system_vmstop_request(RunState state)
674 {
675 vmstop_requested = state;
676 qemu_mutex_unlock(&vmstop_lock);
677 qemu_notify_event();
678 }
679
680 void vm_start(void)
681 {
682 RunState requested;
683
684 qemu_vmstop_requested(&requested);
685 if (runstate_is_running() && requested == RUN_STATE_MAX) {
686 return;
687 }
688
689 /* Ensure that a STOP/RESUME pair of events is emitted if a
690 * vmstop request was pending. The BLOCK_IO_ERROR event, for
691 * example, according to documentation is always followed by
692 * the STOP event.
693 */
694 if (runstate_is_running()) {
695 qapi_event_send_stop(&error_abort);
696 } else {
697 cpu_enable_ticks();
698 runstate_set(RUN_STATE_RUNNING);
699 vm_state_notify(1, RUN_STATE_RUNNING);
700 resume_all_vcpus();
701 }
702
703 qapi_event_send_resume(&error_abort);
704 }
705
706
707 /***********************************************************/
708 /* real time host monotonic timer */
709
710 /***********************************************************/
711 /* host time/date access */
712 void qemu_get_timedate(struct tm *tm, int offset)
713 {
714 time_t ti;
715
716 time(&ti);
717 ti += offset;
718 if (rtc_date_offset == -1) {
719 if (rtc_utc)
720 gmtime_r(&ti, tm);
721 else
722 localtime_r(&ti, tm);
723 } else {
724 ti -= rtc_date_offset;
725 gmtime_r(&ti, tm);
726 }
727 }
728
729 int qemu_timedate_diff(struct tm *tm)
730 {
731 time_t seconds;
732
733 if (rtc_date_offset == -1)
734 if (rtc_utc)
735 seconds = mktimegm(tm);
736 else {
737 struct tm tmp = *tm;
738 tmp.tm_isdst = -1; /* use timezone to figure it out */
739 seconds = mktime(&tmp);
740 }
741 else
742 seconds = mktimegm(tm) + rtc_date_offset;
743
744 return seconds - time(NULL);
745 }
746
747 static void configure_rtc_date_offset(const char *startdate, int legacy)
748 {
749 time_t rtc_start_date;
750 struct tm tm;
751
752 if (!strcmp(startdate, "now") && legacy) {
753 rtc_date_offset = -1;
754 } else {
755 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
756 &tm.tm_year,
757 &tm.tm_mon,
758 &tm.tm_mday,
759 &tm.tm_hour,
760 &tm.tm_min,
761 &tm.tm_sec) == 6) {
762 /* OK */
763 } else if (sscanf(startdate, "%d-%d-%d",
764 &tm.tm_year,
765 &tm.tm_mon,
766 &tm.tm_mday) == 3) {
767 tm.tm_hour = 0;
768 tm.tm_min = 0;
769 tm.tm_sec = 0;
770 } else {
771 goto date_fail;
772 }
773 tm.tm_year -= 1900;
774 tm.tm_mon--;
775 rtc_start_date = mktimegm(&tm);
776 if (rtc_start_date == -1) {
777 date_fail:
778 fprintf(stderr, "Invalid date format. Valid formats are:\n"
779 "'2006-06-17T16:01:21' or '2006-06-17'\n");
780 exit(1);
781 }
782 rtc_date_offset = time(NULL) - rtc_start_date;
783 }
784 }
785
786 static void configure_rtc(QemuOpts *opts)
787 {
788 const char *value;
789
790 value = qemu_opt_get(opts, "base");
791 if (value) {
792 if (!strcmp(value, "utc")) {
793 rtc_utc = 1;
794 } else if (!strcmp(value, "localtime")) {
795 rtc_utc = 0;
796 } else {
797 configure_rtc_date_offset(value, 0);
798 }
799 }
800 value = qemu_opt_get(opts, "clock");
801 if (value) {
802 if (!strcmp(value, "host")) {
803 rtc_clock = QEMU_CLOCK_HOST;
804 } else if (!strcmp(value, "rt")) {
805 rtc_clock = QEMU_CLOCK_REALTIME;
806 } else if (!strcmp(value, "vm")) {
807 rtc_clock = QEMU_CLOCK_VIRTUAL;
808 } else {
809 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
810 exit(1);
811 }
812 }
813 value = qemu_opt_get(opts, "driftfix");
814 if (value) {
815 if (!strcmp(value, "slew")) {
816 static GlobalProperty slew_lost_ticks[] = {
817 {
818 .driver = "mc146818rtc",
819 .property = "lost_tick_policy",
820 .value = "slew",
821 },
822 { /* end of list */ }
823 };
824
825 qdev_prop_register_global_list(slew_lost_ticks);
826 } else if (!strcmp(value, "none")) {
827 /* discard is default */
828 } else {
829 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
830 exit(1);
831 }
832 }
833 }
834
835 /***********************************************************/
836 /* Bluetooth support */
837 static int nb_hcis;
838 static int cur_hci;
839 static struct HCIInfo *hci_table[MAX_NICS];
840
841 struct HCIInfo *qemu_next_hci(void)
842 {
843 if (cur_hci == nb_hcis)
844 return &null_hci;
845
846 return hci_table[cur_hci++];
847 }
848
849 static int bt_hci_parse(const char *str)
850 {
851 struct HCIInfo *hci;
852 bdaddr_t bdaddr;
853
854 if (nb_hcis >= MAX_NICS) {
855 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
856 return -1;
857 }
858
859 hci = hci_init(str);
860 if (!hci)
861 return -1;
862
863 bdaddr.b[0] = 0x52;
864 bdaddr.b[1] = 0x54;
865 bdaddr.b[2] = 0x00;
866 bdaddr.b[3] = 0x12;
867 bdaddr.b[4] = 0x34;
868 bdaddr.b[5] = 0x56 + nb_hcis;
869 hci->bdaddr_set(hci, bdaddr.b);
870
871 hci_table[nb_hcis++] = hci;
872
873 return 0;
874 }
875
876 static void bt_vhci_add(int vlan_id)
877 {
878 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
879
880 if (!vlan->slave)
881 fprintf(stderr, "qemu: warning: adding a VHCI to "
882 "an empty scatternet %i\n", vlan_id);
883
884 bt_vhci_init(bt_new_hci(vlan));
885 }
886
887 static struct bt_device_s *bt_device_add(const char *opt)
888 {
889 struct bt_scatternet_s *vlan;
890 int vlan_id = 0;
891 char *endp = strstr(opt, ",vlan=");
892 int len = (endp ? endp - opt : strlen(opt)) + 1;
893 char devname[10];
894
895 pstrcpy(devname, MIN(sizeof(devname), len), opt);
896
897 if (endp) {
898 vlan_id = strtol(endp + 6, &endp, 0);
899 if (*endp) {
900 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
901 return 0;
902 }
903 }
904
905 vlan = qemu_find_bt_vlan(vlan_id);
906
907 if (!vlan->slave)
908 fprintf(stderr, "qemu: warning: adding a slave device to "
909 "an empty scatternet %i\n", vlan_id);
910
911 if (!strcmp(devname, "keyboard"))
912 return bt_keyboard_init(vlan);
913
914 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
915 return 0;
916 }
917
918 static int bt_parse(const char *opt)
919 {
920 const char *endp, *p;
921 int vlan;
922
923 if (strstart(opt, "hci", &endp)) {
924 if (!*endp || *endp == ',') {
925 if (*endp)
926 if (!strstart(endp, ",vlan=", 0))
927 opt = endp + 1;
928
929 return bt_hci_parse(opt);
930 }
931 } else if (strstart(opt, "vhci", &endp)) {
932 if (!*endp || *endp == ',') {
933 if (*endp) {
934 if (strstart(endp, ",vlan=", &p)) {
935 vlan = strtol(p, (char **) &endp, 0);
936 if (*endp) {
937 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
938 return 1;
939 }
940 } else {
941 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
942 return 1;
943 }
944 } else
945 vlan = 0;
946
947 bt_vhci_add(vlan);
948 return 0;
949 }
950 } else if (strstart(opt, "device:", &endp))
951 return !bt_device_add(endp);
952
953 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
954 return 1;
955 }
956
957 static int parse_sandbox(QemuOpts *opts, void *opaque)
958 {
959 /* FIXME: change this to true for 1.3 */
960 if (qemu_opt_get_bool(opts, "enable", false)) {
961 #ifdef CONFIG_SECCOMP
962 if (seccomp_start() < 0) {
963 qerror_report(ERROR_CLASS_GENERIC_ERROR,
964 "failed to install seccomp syscall filter in the kernel");
965 return -1;
966 }
967 #else
968 qerror_report(ERROR_CLASS_GENERIC_ERROR,
969 "sandboxing request but seccomp is not compiled into this build");
970 return -1;
971 #endif
972 }
973
974 return 0;
975 }
976
977 static int parse_name(QemuOpts *opts, void *opaque)
978 {
979 const char *proc_name;
980
981 if (qemu_opt_get(opts, "debug-threads")) {
982 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
983 }
984 qemu_name = qemu_opt_get(opts, "guest");
985
986 proc_name = qemu_opt_get(opts, "process");
987 if (proc_name) {
988 os_set_proc_name(proc_name);
989 }
990
991 return 0;
992 }
993
994 bool defaults_enabled(void)
995 {
996 return has_defaults;
997 }
998
999 bool usb_enabled(void)
1000 {
1001 return machine_usb(current_machine);
1002 }
1003
1004 #ifndef _WIN32
1005 static int parse_add_fd(QemuOpts *opts, void *opaque)
1006 {
1007 int fd, dupfd, flags;
1008 int64_t fdset_id;
1009 const char *fd_opaque = NULL;
1010
1011 fd = qemu_opt_get_number(opts, "fd", -1);
1012 fdset_id = qemu_opt_get_number(opts, "set", -1);
1013 fd_opaque = qemu_opt_get(opts, "opaque");
1014
1015 if (fd < 0) {
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "fd option is required and must be non-negative");
1018 return -1;
1019 }
1020
1021 if (fd <= STDERR_FILENO) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd cannot be a standard I/O stream");
1024 return -1;
1025 }
1026
1027 /*
1028 * All fds inherited across exec() necessarily have FD_CLOEXEC
1029 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1030 */
1031 flags = fcntl(fd, F_GETFD);
1032 if (flags == -1 || (flags & FD_CLOEXEC)) {
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "fd is not valid or already in use");
1035 return -1;
1036 }
1037
1038 if (fdset_id < 0) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "set option is required and must be non-negative");
1041 return -1;
1042 }
1043
1044 #ifdef F_DUPFD_CLOEXEC
1045 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1046 #else
1047 dupfd = dup(fd);
1048 if (dupfd != -1) {
1049 qemu_set_cloexec(dupfd);
1050 }
1051 #endif
1052 if (dupfd == -1) {
1053 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1054 "Error duplicating fd: %s", strerror(errno));
1055 return -1;
1056 }
1057
1058 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1059 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1060 fd_opaque, NULL);
1061
1062 return 0;
1063 }
1064
1065 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1066 {
1067 int fd;
1068
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 close(fd);
1071
1072 return 0;
1073 }
1074 #endif
1075
1076 /***********************************************************/
1077 /* QEMU Block devices */
1078
1079 #define HD_OPTS "media=disk"
1080 #define CDROM_OPTS "media=cdrom"
1081 #define FD_OPTS ""
1082 #define PFLASH_OPTS ""
1083 #define MTD_OPTS ""
1084 #define SD_OPTS ""
1085
1086 static int drive_init_func(QemuOpts *opts, void *opaque)
1087 {
1088 BlockInterfaceType *block_default_type = opaque;
1089
1090 return drive_new(opts, *block_default_type) == NULL;
1091 }
1092
1093 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1094 {
1095 if (qemu_opt_get(opts, "snapshot") == NULL) {
1096 qemu_opt_set(opts, "snapshot", "on");
1097 }
1098 return 0;
1099 }
1100
1101 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1102 int index, const char *optstr)
1103 {
1104 QemuOpts *opts;
1105 DriveInfo *dinfo;
1106
1107 if (!enable || drive_get_by_index(type, index)) {
1108 return;
1109 }
1110
1111 opts = drive_add(type, index, NULL, optstr);
1112 if (snapshot) {
1113 drive_enable_snapshot(opts, NULL);
1114 }
1115
1116 dinfo = drive_new(opts, type);
1117 if (!dinfo) {
1118 exit(1);
1119 }
1120 dinfo->is_default = true;
1121
1122 }
1123
1124 static QemuOptsList qemu_smp_opts = {
1125 .name = "smp-opts",
1126 .implied_opt_name = "cpus",
1127 .merge_lists = true,
1128 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1129 .desc = {
1130 {
1131 .name = "cpus",
1132 .type = QEMU_OPT_NUMBER,
1133 }, {
1134 .name = "sockets",
1135 .type = QEMU_OPT_NUMBER,
1136 }, {
1137 .name = "cores",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "threads",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "maxcpus",
1144 .type = QEMU_OPT_NUMBER,
1145 },
1146 { /*End of list */ }
1147 },
1148 };
1149
1150 static void smp_parse(QemuOpts *opts)
1151 {
1152 if (opts) {
1153
1154 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1155 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1156 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1157 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1158
1159 /* compute missing values, prefer sockets over cores over threads */
1160 if (cpus == 0 || sockets == 0) {
1161 sockets = sockets > 0 ? sockets : 1;
1162 cores = cores > 0 ? cores : 1;
1163 threads = threads > 0 ? threads : 1;
1164 if (cpus == 0) {
1165 cpus = cores * threads * sockets;
1166 }
1167 } else if (cores == 0) {
1168 threads = threads > 0 ? threads : 1;
1169 cores = cpus / (sockets * threads);
1170 } else if (threads == 0) {
1171 threads = cpus / (cores * sockets);
1172 } else if (sockets * cores * threads < cpus) {
1173 fprintf(stderr, "cpu topology: error: "
1174 "sockets (%u) * cores (%u) * threads (%u) < "
1175 "smp_cpus (%u)\n",
1176 sockets, cores, threads, cpus);
1177 exit(1);
1178 }
1179
1180 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1181
1182 smp_cpus = cpus;
1183 smp_cores = cores > 0 ? cores : 1;
1184 smp_threads = threads > 0 ? threads : 1;
1185
1186 }
1187
1188 if (max_cpus == 0) {
1189 max_cpus = smp_cpus;
1190 }
1191
1192 if (max_cpus > MAX_CPUMASK_BITS) {
1193 fprintf(stderr, "Unsupported number of maxcpus\n");
1194 exit(1);
1195 }
1196 if (max_cpus < smp_cpus) {
1197 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1198 exit(1);
1199 }
1200
1201 }
1202
1203 static void realtime_init(void)
1204 {
1205 if (enable_mlock) {
1206 if (os_mlock() < 0) {
1207 fprintf(stderr, "qemu: locking memory failed\n");
1208 exit(1);
1209 }
1210 }
1211 }
1212
1213
1214 static void configure_msg(QemuOpts *opts)
1215 {
1216 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1217 }
1218
1219 /***********************************************************/
1220 /* USB devices */
1221
1222 static int usb_device_add(const char *devname)
1223 {
1224 USBDevice *dev = NULL;
1225 #ifndef CONFIG_LINUX
1226 const char *p;
1227 #endif
1228
1229 if (!usb_enabled()) {
1230 return -1;
1231 }
1232
1233 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1234 dev = usbdevice_create(devname);
1235 if (dev)
1236 goto done;
1237
1238 /* the other ones */
1239 #ifndef CONFIG_LINUX
1240 /* only the linux version is qdev-ified, usb-bsd still needs this */
1241 if (strstart(devname, "host:", &p)) {
1242 dev = usb_host_device_open(usb_bus_find(-1), p);
1243 }
1244 #endif
1245 if (!dev)
1246 return -1;
1247
1248 done:
1249 return 0;
1250 }
1251
1252 static int usb_device_del(const char *devname)
1253 {
1254 int bus_num, addr;
1255 const char *p;
1256
1257 if (strstart(devname, "host:", &p)) {
1258 return -1;
1259 }
1260
1261 if (!usb_enabled()) {
1262 return -1;
1263 }
1264
1265 p = strchr(devname, '.');
1266 if (!p)
1267 return -1;
1268 bus_num = strtoul(devname, NULL, 0);
1269 addr = strtoul(p + 1, NULL, 0);
1270
1271 return usb_device_delete_addr(bus_num, addr);
1272 }
1273
1274 static int usb_parse(const char *cmdline)
1275 {
1276 int r;
1277 r = usb_device_add(cmdline);
1278 if (r < 0) {
1279 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1280 }
1281 return r;
1282 }
1283
1284 void do_usb_add(Monitor *mon, const QDict *qdict)
1285 {
1286 const char *devname = qdict_get_str(qdict, "devname");
1287 if (usb_device_add(devname) < 0) {
1288 error_report("could not add USB device '%s'", devname);
1289 }
1290 }
1291
1292 void do_usb_del(Monitor *mon, const QDict *qdict)
1293 {
1294 const char *devname = qdict_get_str(qdict, "devname");
1295 if (usb_device_del(devname) < 0) {
1296 error_report("could not delete USB device '%s'", devname);
1297 }
1298 }
1299
1300 /***********************************************************/
1301 /* machine registration */
1302
1303 MachineState *current_machine;
1304
1305 static void machine_class_init(ObjectClass *oc, void *data)
1306 {
1307 MachineClass *mc = MACHINE_CLASS(oc);
1308 QEMUMachine *qm = data;
1309
1310 mc->family = qm->family;
1311 mc->name = qm->name;
1312 mc->alias = qm->alias;
1313 mc->desc = qm->desc;
1314 mc->init = qm->init;
1315 mc->reset = qm->reset;
1316 mc->hot_add_cpu = qm->hot_add_cpu;
1317 mc->kvm_type = qm->kvm_type;
1318 mc->block_default_type = qm->block_default_type;
1319 mc->units_per_default_bus = qm->units_per_default_bus;
1320 mc->max_cpus = qm->max_cpus;
1321 mc->no_serial = qm->no_serial;
1322 mc->no_parallel = qm->no_parallel;
1323 mc->use_virtcon = qm->use_virtcon;
1324 mc->use_sclp = qm->use_sclp;
1325 mc->no_floppy = qm->no_floppy;
1326 mc->no_cdrom = qm->no_cdrom;
1327 mc->no_sdcard = qm->no_sdcard;
1328 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1329 mc->is_default = qm->is_default;
1330 mc->default_machine_opts = qm->default_machine_opts;
1331 mc->default_boot_order = qm->default_boot_order;
1332 mc->default_display = qm->default_display;
1333 mc->compat_props = qm->compat_props;
1334 mc->hw_version = qm->hw_version;
1335 }
1336
1337 int qemu_register_machine(QEMUMachine *m)
1338 {
1339 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1340 TypeInfo ti = {
1341 .name = name,
1342 .parent = TYPE_MACHINE,
1343 .class_init = machine_class_init,
1344 .class_data = (void *)m,
1345 };
1346
1347 type_register(&ti);
1348 g_free(name);
1349
1350 return 0;
1351 }
1352
1353 static MachineClass *find_machine(const char *name)
1354 {
1355 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1356 MachineClass *mc = NULL;
1357
1358 for (el = machines; el; el = el->next) {
1359 MachineClass *temp = el->data;
1360
1361 if (!strcmp(temp->name, name)) {
1362 mc = temp;
1363 break;
1364 }
1365 if (temp->alias &&
1366 !strcmp(temp->alias, name)) {
1367 mc = temp;
1368 break;
1369 }
1370 }
1371
1372 g_slist_free(machines);
1373 return mc;
1374 }
1375
1376 MachineClass *find_default_machine(void)
1377 {
1378 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1379 MachineClass *mc = NULL;
1380
1381 for (el = machines; el; el = el->next) {
1382 MachineClass *temp = el->data;
1383
1384 if (temp->is_default) {
1385 mc = temp;
1386 break;
1387 }
1388 }
1389
1390 g_slist_free(machines);
1391 return mc;
1392 }
1393
1394 MachineInfoList *qmp_query_machines(Error **errp)
1395 {
1396 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1397 MachineInfoList *mach_list = NULL;
1398
1399 for (el = machines; el; el = el->next) {
1400 MachineClass *mc = el->data;
1401 MachineInfoList *entry;
1402 MachineInfo *info;
1403
1404 info = g_malloc0(sizeof(*info));
1405 if (mc->is_default) {
1406 info->has_is_default = true;
1407 info->is_default = true;
1408 }
1409
1410 if (mc->alias) {
1411 info->has_alias = true;
1412 info->alias = g_strdup(mc->alias);
1413 }
1414
1415 info->name = g_strdup(mc->name);
1416 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1417
1418 entry = g_malloc0(sizeof(*entry));
1419 entry->value = info;
1420 entry->next = mach_list;
1421 mach_list = entry;
1422 }
1423
1424 g_slist_free(machines);
1425 return mach_list;
1426 }
1427
1428 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1429 {
1430 ObjectProperty *prop;
1431
1432 if (!qemu_opt_has_help_opt(opts)) {
1433 return 0;
1434 }
1435
1436 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1437 if (!prop->set) {
1438 continue;
1439 }
1440
1441 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1442 prop->name, prop->type);
1443 if (prop->description) {
1444 error_printf(" (%s)\n", prop->description);
1445 } else {
1446 error_printf("\n");
1447 }
1448 }
1449
1450 return 1;
1451 }
1452
1453 /***********************************************************/
1454 /* main execution loop */
1455
1456 struct vm_change_state_entry {
1457 VMChangeStateHandler *cb;
1458 void *opaque;
1459 QLIST_ENTRY (vm_change_state_entry) entries;
1460 };
1461
1462 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1463
1464 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1465 void *opaque)
1466 {
1467 VMChangeStateEntry *e;
1468
1469 e = g_malloc0(sizeof (*e));
1470
1471 e->cb = cb;
1472 e->opaque = opaque;
1473 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1474 return e;
1475 }
1476
1477 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1478 {
1479 QLIST_REMOVE (e, entries);
1480 g_free (e);
1481 }
1482
1483 void vm_state_notify(int running, RunState state)
1484 {
1485 VMChangeStateEntry *e, *next;
1486
1487 trace_vm_state_notify(running, state);
1488
1489 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1490 e->cb(e->opaque, running, state);
1491 }
1492 }
1493
1494 /* reset/shutdown handler */
1495
1496 typedef struct QEMUResetEntry {
1497 QTAILQ_ENTRY(QEMUResetEntry) entry;
1498 QEMUResetHandler *func;
1499 void *opaque;
1500 } QEMUResetEntry;
1501
1502 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1503 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1504 static int reset_requested;
1505 static int shutdown_requested, shutdown_signal = -1;
1506 static pid_t shutdown_pid;
1507 static int powerdown_requested;
1508 static int debug_requested;
1509 static int suspend_requested;
1510 static WakeupReason wakeup_reason;
1511 static NotifierList powerdown_notifiers =
1512 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1513 static NotifierList suspend_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1515 static NotifierList wakeup_notifiers =
1516 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1517 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1518
1519 int qemu_shutdown_requested_get(void)
1520 {
1521 return shutdown_requested;
1522 }
1523
1524 int qemu_reset_requested_get(void)
1525 {
1526 return reset_requested;
1527 }
1528
1529 static int qemu_shutdown_requested(void)
1530 {
1531 return atomic_xchg(&shutdown_requested, 0);
1532 }
1533
1534 static void qemu_kill_report(void)
1535 {
1536 if (!qtest_driver() && shutdown_signal != -1) {
1537 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1538 if (shutdown_pid == 0) {
1539 /* This happens for eg ^C at the terminal, so it's worth
1540 * avoiding printing an odd message in that case.
1541 */
1542 fputc('\n', stderr);
1543 } else {
1544 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1545 }
1546 shutdown_signal = -1;
1547 }
1548 }
1549
1550 static int qemu_reset_requested(void)
1551 {
1552 int r = reset_requested;
1553 reset_requested = 0;
1554 return r;
1555 }
1556
1557 static int qemu_suspend_requested(void)
1558 {
1559 int r = suspend_requested;
1560 suspend_requested = 0;
1561 return r;
1562 }
1563
1564 static WakeupReason qemu_wakeup_requested(void)
1565 {
1566 return wakeup_reason;
1567 }
1568
1569 static int qemu_powerdown_requested(void)
1570 {
1571 int r = powerdown_requested;
1572 powerdown_requested = 0;
1573 return r;
1574 }
1575
1576 static int qemu_debug_requested(void)
1577 {
1578 int r = debug_requested;
1579 debug_requested = 0;
1580 return r;
1581 }
1582
1583 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1584 {
1585 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1586
1587 re->func = func;
1588 re->opaque = opaque;
1589 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1590 }
1591
1592 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1593 {
1594 QEMUResetEntry *re;
1595
1596 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1597 if (re->func == func && re->opaque == opaque) {
1598 QTAILQ_REMOVE(&reset_handlers, re, entry);
1599 g_free(re);
1600 return;
1601 }
1602 }
1603 }
1604
1605 void qemu_devices_reset(void)
1606 {
1607 QEMUResetEntry *re, *nre;
1608
1609 /* reset all devices */
1610 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1611 re->func(re->opaque);
1612 }
1613 }
1614
1615 void qemu_system_reset(bool report)
1616 {
1617 MachineClass *mc;
1618
1619 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1620
1621 if (mc && mc->reset) {
1622 mc->reset();
1623 } else {
1624 qemu_devices_reset();
1625 }
1626 if (report) {
1627 qapi_event_send_reset(&error_abort);
1628 }
1629 cpu_synchronize_all_post_reset();
1630 }
1631
1632 void qemu_system_reset_request(void)
1633 {
1634 if (no_reboot) {
1635 shutdown_requested = 1;
1636 } else {
1637 reset_requested = 1;
1638 }
1639 cpu_stop_current();
1640 qemu_notify_event();
1641 }
1642
1643 static void qemu_system_suspend(void)
1644 {
1645 pause_all_vcpus();
1646 notifier_list_notify(&suspend_notifiers, NULL);
1647 runstate_set(RUN_STATE_SUSPENDED);
1648 qapi_event_send_suspend(&error_abort);
1649 }
1650
1651 void qemu_system_suspend_request(void)
1652 {
1653 if (runstate_check(RUN_STATE_SUSPENDED)) {
1654 return;
1655 }
1656 suspend_requested = 1;
1657 cpu_stop_current();
1658 qemu_notify_event();
1659 }
1660
1661 void qemu_register_suspend_notifier(Notifier *notifier)
1662 {
1663 notifier_list_add(&suspend_notifiers, notifier);
1664 }
1665
1666 void qemu_system_wakeup_request(WakeupReason reason)
1667 {
1668 trace_system_wakeup_request(reason);
1669
1670 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1671 return;
1672 }
1673 if (!(wakeup_reason_mask & (1 << reason))) {
1674 return;
1675 }
1676 runstate_set(RUN_STATE_RUNNING);
1677 wakeup_reason = reason;
1678 qemu_notify_event();
1679 }
1680
1681 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1682 {
1683 if (enabled) {
1684 wakeup_reason_mask |= (1 << reason);
1685 } else {
1686 wakeup_reason_mask &= ~(1 << reason);
1687 }
1688 }
1689
1690 void qemu_register_wakeup_notifier(Notifier *notifier)
1691 {
1692 notifier_list_add(&wakeup_notifiers, notifier);
1693 }
1694
1695 void qemu_system_killed(int signal, pid_t pid)
1696 {
1697 shutdown_signal = signal;
1698 shutdown_pid = pid;
1699 no_shutdown = 0;
1700 qemu_system_shutdown_request();
1701 }
1702
1703 void qemu_system_shutdown_request(void)
1704 {
1705 trace_qemu_system_shutdown_request();
1706 shutdown_requested = 1;
1707 qemu_notify_event();
1708 }
1709
1710 static void qemu_system_powerdown(void)
1711 {
1712 qapi_event_send_powerdown(&error_abort);
1713 notifier_list_notify(&powerdown_notifiers, NULL);
1714 }
1715
1716 void qemu_system_powerdown_request(void)
1717 {
1718 trace_qemu_system_powerdown_request();
1719 powerdown_requested = 1;
1720 qemu_notify_event();
1721 }
1722
1723 void qemu_register_powerdown_notifier(Notifier *notifier)
1724 {
1725 notifier_list_add(&powerdown_notifiers, notifier);
1726 }
1727
1728 void qemu_system_debug_request(void)
1729 {
1730 debug_requested = 1;
1731 qemu_notify_event();
1732 }
1733
1734 static bool main_loop_should_exit(void)
1735 {
1736 RunState r;
1737 if (qemu_debug_requested()) {
1738 vm_stop(RUN_STATE_DEBUG);
1739 }
1740 if (qemu_suspend_requested()) {
1741 qemu_system_suspend();
1742 }
1743 if (qemu_shutdown_requested()) {
1744 qemu_kill_report();
1745 qapi_event_send_shutdown(&error_abort);
1746 if (no_shutdown) {
1747 vm_stop(RUN_STATE_SHUTDOWN);
1748 } else {
1749 return true;
1750 }
1751 }
1752 if (qemu_reset_requested()) {
1753 pause_all_vcpus();
1754 cpu_synchronize_all_states();
1755 qemu_system_reset(VMRESET_REPORT);
1756 resume_all_vcpus();
1757 if (runstate_needs_reset()) {
1758 runstate_set(RUN_STATE_PAUSED);
1759 }
1760 }
1761 if (qemu_wakeup_requested()) {
1762 pause_all_vcpus();
1763 cpu_synchronize_all_states();
1764 qemu_system_reset(VMRESET_SILENT);
1765 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1766 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1767 resume_all_vcpus();
1768 qapi_event_send_wakeup(&error_abort);
1769 }
1770 if (qemu_powerdown_requested()) {
1771 qemu_system_powerdown();
1772 }
1773 if (qemu_vmstop_requested(&r)) {
1774 vm_stop(r);
1775 }
1776 return false;
1777 }
1778
1779 static void main_loop(void)
1780 {
1781 bool nonblocking;
1782 int last_io = 0;
1783 #ifdef CONFIG_PROFILER
1784 int64_t ti;
1785 #endif
1786 do {
1787 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1788 #ifdef CONFIG_PROFILER
1789 ti = profile_getclock();
1790 #endif
1791 last_io = main_loop_wait(nonblocking);
1792 #ifdef CONFIG_PROFILER
1793 dev_time += profile_getclock() - ti;
1794 #endif
1795 } while (!main_loop_should_exit());
1796 }
1797
1798 static void version(void)
1799 {
1800 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1801 }
1802
1803 static void help(int exitcode)
1804 {
1805 version();
1806 printf("usage: %s [options] [disk_image]\n\n"
1807 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1808 error_get_progname());
1809
1810 #define QEMU_OPTIONS_GENERATE_HELP
1811 #include "qemu-options-wrapper.h"
1812
1813 printf("\nDuring emulation, the following keys are useful:\n"
1814 "ctrl-alt-f toggle full screen\n"
1815 "ctrl-alt-n switch to virtual console 'n'\n"
1816 "ctrl-alt toggle mouse and keyboard grab\n"
1817 "\n"
1818 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1819
1820 exit(exitcode);
1821 }
1822
1823 #define HAS_ARG 0x0001
1824
1825 typedef struct QEMUOption {
1826 const char *name;
1827 int flags;
1828 int index;
1829 uint32_t arch_mask;
1830 } QEMUOption;
1831
1832 static const QEMUOption qemu_options[] = {
1833 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1834 #define QEMU_OPTIONS_GENERATE_OPTIONS
1835 #include "qemu-options-wrapper.h"
1836 { NULL },
1837 };
1838
1839 static bool vga_available(void)
1840 {
1841 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1842 }
1843
1844 static bool cirrus_vga_available(void)
1845 {
1846 return object_class_by_name("cirrus-vga")
1847 || object_class_by_name("isa-cirrus-vga");
1848 }
1849
1850 static bool vmware_vga_available(void)
1851 {
1852 return object_class_by_name("vmware-svga");
1853 }
1854
1855 static bool qxl_vga_available(void)
1856 {
1857 return object_class_by_name("qxl-vga");
1858 }
1859
1860 static bool tcx_vga_available(void)
1861 {
1862 return object_class_by_name("SUNW,tcx");
1863 }
1864
1865 static bool cg3_vga_available(void)
1866 {
1867 return object_class_by_name("cgthree");
1868 }
1869
1870 static void select_vgahw (const char *p)
1871 {
1872 const char *opts;
1873
1874 assert(vga_interface_type == VGA_NONE);
1875 if (strstart(p, "std", &opts)) {
1876 if (vga_available()) {
1877 vga_interface_type = VGA_STD;
1878 } else {
1879 fprintf(stderr, "Error: standard VGA not available\n");
1880 exit(0);
1881 }
1882 } else if (strstart(p, "cirrus", &opts)) {
1883 if (cirrus_vga_available()) {
1884 vga_interface_type = VGA_CIRRUS;
1885 } else {
1886 fprintf(stderr, "Error: Cirrus VGA not available\n");
1887 exit(0);
1888 }
1889 } else if (strstart(p, "vmware", &opts)) {
1890 if (vmware_vga_available()) {
1891 vga_interface_type = VGA_VMWARE;
1892 } else {
1893 fprintf(stderr, "Error: VMWare SVGA not available\n");
1894 exit(0);
1895 }
1896 } else if (strstart(p, "xenfb", &opts)) {
1897 vga_interface_type = VGA_XENFB;
1898 } else if (strstart(p, "qxl", &opts)) {
1899 if (qxl_vga_available()) {
1900 vga_interface_type = VGA_QXL;
1901 } else {
1902 fprintf(stderr, "Error: QXL VGA not available\n");
1903 exit(0);
1904 }
1905 } else if (strstart(p, "tcx", &opts)) {
1906 if (tcx_vga_available()) {
1907 vga_interface_type = VGA_TCX;
1908 } else {
1909 fprintf(stderr, "Error: TCX framebuffer not available\n");
1910 exit(0);
1911 }
1912 } else if (strstart(p, "cg3", &opts)) {
1913 if (cg3_vga_available()) {
1914 vga_interface_type = VGA_CG3;
1915 } else {
1916 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1917 exit(0);
1918 }
1919 } else if (!strstart(p, "none", &opts)) {
1920 invalid_vga:
1921 fprintf(stderr, "Unknown vga type: %s\n", p);
1922 exit(1);
1923 }
1924 while (*opts) {
1925 const char *nextopt;
1926
1927 if (strstart(opts, ",retrace=", &nextopt)) {
1928 opts = nextopt;
1929 if (strstart(opts, "dumb", &nextopt))
1930 vga_retrace_method = VGA_RETRACE_DUMB;
1931 else if (strstart(opts, "precise", &nextopt))
1932 vga_retrace_method = VGA_RETRACE_PRECISE;
1933 else goto invalid_vga;
1934 } else goto invalid_vga;
1935 opts = nextopt;
1936 }
1937 }
1938
1939 static DisplayType select_display(const char *p)
1940 {
1941 const char *opts;
1942 DisplayType display = DT_DEFAULT;
1943
1944 if (strstart(p, "sdl", &opts)) {
1945 #ifdef CONFIG_SDL
1946 display = DT_SDL;
1947 while (*opts) {
1948 const char *nextopt;
1949
1950 if (strstart(opts, ",frame=", &nextopt)) {
1951 opts = nextopt;
1952 if (strstart(opts, "on", &nextopt)) {
1953 no_frame = 0;
1954 } else if (strstart(opts, "off", &nextopt)) {
1955 no_frame = 1;
1956 } else {
1957 goto invalid_sdl_args;
1958 }
1959 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1960 opts = nextopt;
1961 if (strstart(opts, "on", &nextopt)) {
1962 alt_grab = 1;
1963 } else if (strstart(opts, "off", &nextopt)) {
1964 alt_grab = 0;
1965 } else {
1966 goto invalid_sdl_args;
1967 }
1968 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1969 opts = nextopt;
1970 if (strstart(opts, "on", &nextopt)) {
1971 ctrl_grab = 1;
1972 } else if (strstart(opts, "off", &nextopt)) {
1973 ctrl_grab = 0;
1974 } else {
1975 goto invalid_sdl_args;
1976 }
1977 } else if (strstart(opts, ",window_close=", &nextopt)) {
1978 opts = nextopt;
1979 if (strstart(opts, "on", &nextopt)) {
1980 no_quit = 0;
1981 } else if (strstart(opts, "off", &nextopt)) {
1982 no_quit = 1;
1983 } else {
1984 goto invalid_sdl_args;
1985 }
1986 } else {
1987 invalid_sdl_args:
1988 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1989 exit(1);
1990 }
1991 opts = nextopt;
1992 }
1993 #else
1994 fprintf(stderr, "SDL support is disabled\n");
1995 exit(1);
1996 #endif
1997 } else if (strstart(p, "vnc", &opts)) {
1998 #ifdef CONFIG_VNC
1999 if (*opts == '=') {
2000 display_remote++;
2001 if (vnc_parse_func(opts+1) == NULL) {
2002 exit(1);
2003 }
2004 } else {
2005 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2006 exit(1);
2007 }
2008 #else
2009 fprintf(stderr, "VNC support is disabled\n");
2010 exit(1);
2011 #endif
2012 } else if (strstart(p, "curses", &opts)) {
2013 #ifdef CONFIG_CURSES
2014 display = DT_CURSES;
2015 #else
2016 fprintf(stderr, "Curses support is disabled\n");
2017 exit(1);
2018 #endif
2019 } else if (strstart(p, "gtk", &opts)) {
2020 #ifdef CONFIG_GTK
2021 display = DT_GTK;
2022 while (*opts) {
2023 const char *nextopt;
2024
2025 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2026 opts = nextopt;
2027 if (strstart(opts, "on", &nextopt)) {
2028 grab_on_hover = true;
2029 } else if (strstart(opts, "off", &nextopt)) {
2030 grab_on_hover = false;
2031 } else {
2032 goto invalid_gtk_args;
2033 }
2034 } else {
2035 invalid_gtk_args:
2036 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2037 exit(1);
2038 }
2039 opts = nextopt;
2040 }
2041 #else
2042 fprintf(stderr, "GTK support is disabled\n");
2043 exit(1);
2044 #endif
2045 } else if (strstart(p, "none", &opts)) {
2046 display = DT_NONE;
2047 } else {
2048 fprintf(stderr, "Unknown display type: %s\n", p);
2049 exit(1);
2050 }
2051
2052 return display;
2053 }
2054
2055 static int balloon_parse(const char *arg)
2056 {
2057 QemuOpts *opts;
2058
2059 if (strcmp(arg, "none") == 0) {
2060 return 0;
2061 }
2062
2063 if (!strncmp(arg, "virtio", 6)) {
2064 if (arg[6] == ',') {
2065 /* have params -> parse them */
2066 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2067 if (!opts)
2068 return -1;
2069 } else {
2070 /* create empty opts */
2071 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2072 &error_abort);
2073 }
2074 qemu_opt_set(opts, "driver", "virtio-balloon");
2075 return 0;
2076 }
2077
2078 return -1;
2079 }
2080
2081 char *qemu_find_file(int type, const char *name)
2082 {
2083 int i;
2084 const char *subdir;
2085 char *buf;
2086
2087 /* Try the name as a straight path first */
2088 if (access(name, R_OK) == 0) {
2089 trace_load_file(name, name);
2090 return g_strdup(name);
2091 }
2092
2093 switch (type) {
2094 case QEMU_FILE_TYPE_BIOS:
2095 subdir = "";
2096 break;
2097 case QEMU_FILE_TYPE_KEYMAP:
2098 subdir = "keymaps/";
2099 break;
2100 default:
2101 abort();
2102 }
2103
2104 for (i = 0; i < data_dir_idx; i++) {
2105 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2106 if (access(buf, R_OK) == 0) {
2107 trace_load_file(name, buf);
2108 return buf;
2109 }
2110 g_free(buf);
2111 }
2112 return NULL;
2113 }
2114
2115 static int device_help_func(QemuOpts *opts, void *opaque)
2116 {
2117 return qdev_device_help(opts);
2118 }
2119
2120 static int device_init_func(QemuOpts *opts, void *opaque)
2121 {
2122 DeviceState *dev;
2123
2124 dev = qdev_device_add(opts);
2125 if (!dev)
2126 return -1;
2127 object_unref(OBJECT(dev));
2128 return 0;
2129 }
2130
2131 static int chardev_init_func(QemuOpts *opts, void *opaque)
2132 {
2133 Error *local_err = NULL;
2134
2135 qemu_chr_new_from_opts(opts, NULL, &local_err);
2136 if (local_err) {
2137 error_report("%s", error_get_pretty(local_err));
2138 error_free(local_err);
2139 return -1;
2140 }
2141 return 0;
2142 }
2143
2144 #ifdef CONFIG_VIRTFS
2145 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2146 {
2147 int ret;
2148 ret = qemu_fsdev_add(opts);
2149
2150 return ret;
2151 }
2152 #endif
2153
2154 static int mon_init_func(QemuOpts *opts, void *opaque)
2155 {
2156 CharDriverState *chr;
2157 const char *chardev;
2158 const char *mode;
2159 int flags;
2160
2161 mode = qemu_opt_get(opts, "mode");
2162 if (mode == NULL) {
2163 mode = "readline";
2164 }
2165 if (strcmp(mode, "readline") == 0) {
2166 flags = MONITOR_USE_READLINE;
2167 } else if (strcmp(mode, "control") == 0) {
2168 flags = MONITOR_USE_CONTROL;
2169 } else {
2170 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2171 exit(1);
2172 }
2173
2174 if (qemu_opt_get_bool(opts, "pretty", 0))
2175 flags |= MONITOR_USE_PRETTY;
2176
2177 if (qemu_opt_get_bool(opts, "default", 0))
2178 flags |= MONITOR_IS_DEFAULT;
2179
2180 chardev = qemu_opt_get(opts, "chardev");
2181 chr = qemu_chr_find(chardev);
2182 if (chr == NULL) {
2183 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2184 exit(1);
2185 }
2186
2187 qemu_chr_fe_claim_no_fail(chr);
2188 monitor_init(chr, flags);
2189 return 0;
2190 }
2191
2192 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2193 {
2194 static int monitor_device_index = 0;
2195 Error *local_err = NULL;
2196 QemuOpts *opts;
2197 const char *p;
2198 char label[32];
2199 int def = 0;
2200
2201 if (strstart(optarg, "chardev:", &p)) {
2202 snprintf(label, sizeof(label), "%s", p);
2203 } else {
2204 snprintf(label, sizeof(label), "compat_monitor%d",
2205 monitor_device_index);
2206 if (monitor_device_index == 0) {
2207 def = 1;
2208 }
2209 opts = qemu_chr_parse_compat(label, optarg);
2210 if (!opts) {
2211 fprintf(stderr, "parse error: %s\n", optarg);
2212 exit(1);
2213 }
2214 }
2215
2216 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2217 if (!opts) {
2218 error_report("%s", error_get_pretty(local_err));
2219 error_free(local_err);
2220 exit(1);
2221 }
2222 qemu_opt_set(opts, "mode", mode);
2223 qemu_opt_set(opts, "chardev", label);
2224 qemu_opt_set_bool(opts, "pretty", pretty);
2225 if (def)
2226 qemu_opt_set(opts, "default", "on");
2227 monitor_device_index++;
2228 }
2229
2230 struct device_config {
2231 enum {
2232 DEV_USB, /* -usbdevice */
2233 DEV_BT, /* -bt */
2234 DEV_SERIAL, /* -serial */
2235 DEV_PARALLEL, /* -parallel */
2236 DEV_VIRTCON, /* -virtioconsole */
2237 DEV_DEBUGCON, /* -debugcon */
2238 DEV_GDB, /* -gdb, -s */
2239 DEV_SCLP, /* s390 sclp */
2240 } type;
2241 const char *cmdline;
2242 Location loc;
2243 QTAILQ_ENTRY(device_config) next;
2244 };
2245
2246 static QTAILQ_HEAD(, device_config) device_configs =
2247 QTAILQ_HEAD_INITIALIZER(device_configs);
2248
2249 static void add_device_config(int type, const char *cmdline)
2250 {
2251 struct device_config *conf;
2252
2253 conf = g_malloc0(sizeof(*conf));
2254 conf->type = type;
2255 conf->cmdline = cmdline;
2256 loc_save(&conf->loc);
2257 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2258 }
2259
2260 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2261 {
2262 struct device_config *conf;
2263 int rc;
2264
2265 QTAILQ_FOREACH(conf, &device_configs, next) {
2266 if (conf->type != type)
2267 continue;
2268 loc_push_restore(&conf->loc);
2269 rc = func(conf->cmdline);
2270 loc_pop(&conf->loc);
2271 if (rc) {
2272 return rc;
2273 }
2274 }
2275 return 0;
2276 }
2277
2278 static int serial_parse(const char *devname)
2279 {
2280 static int index = 0;
2281 char label[32];
2282
2283 if (strcmp(devname, "none") == 0)
2284 return 0;
2285 if (index == MAX_SERIAL_PORTS) {
2286 fprintf(stderr, "qemu: too many serial ports\n");
2287 exit(1);
2288 }
2289 snprintf(label, sizeof(label), "serial%d", index);
2290 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2291 if (!serial_hds[index]) {
2292 fprintf(stderr, "qemu: could not connect serial device"
2293 " to character backend '%s'\n", devname);
2294 return -1;
2295 }
2296 index++;
2297 return 0;
2298 }
2299
2300 static int parallel_parse(const char *devname)
2301 {
2302 static int index = 0;
2303 char label[32];
2304
2305 if (strcmp(devname, "none") == 0)
2306 return 0;
2307 if (index == MAX_PARALLEL_PORTS) {
2308 fprintf(stderr, "qemu: too many parallel ports\n");
2309 exit(1);
2310 }
2311 snprintf(label, sizeof(label), "parallel%d", index);
2312 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2313 if (!parallel_hds[index]) {
2314 fprintf(stderr, "qemu: could not connect parallel device"
2315 " to character backend '%s'\n", devname);
2316 return -1;
2317 }
2318 index++;
2319 return 0;
2320 }
2321
2322 static int virtcon_parse(const char *devname)
2323 {
2324 QemuOptsList *device = qemu_find_opts("device");
2325 static int index = 0;
2326 char label[32];
2327 QemuOpts *bus_opts, *dev_opts;
2328
2329 if (strcmp(devname, "none") == 0)
2330 return 0;
2331 if (index == MAX_VIRTIO_CONSOLES) {
2332 fprintf(stderr, "qemu: too many virtio consoles\n");
2333 exit(1);
2334 }
2335
2336 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2337 if (arch_type == QEMU_ARCH_S390X) {
2338 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2339 } else {
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2341 }
2342
2343 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2344 qemu_opt_set(dev_opts, "driver", "virtconsole");
2345
2346 snprintf(label, sizeof(label), "virtcon%d", index);
2347 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2348 if (!virtcon_hds[index]) {
2349 fprintf(stderr, "qemu: could not connect virtio console"
2350 " to character backend '%s'\n", devname);
2351 return -1;
2352 }
2353 qemu_opt_set(dev_opts, "chardev", label);
2354
2355 index++;
2356 return 0;
2357 }
2358
2359 static int sclp_parse(const char *devname)
2360 {
2361 QemuOptsList *device = qemu_find_opts("device");
2362 static int index = 0;
2363 char label[32];
2364 QemuOpts *dev_opts;
2365
2366 if (strcmp(devname, "none") == 0) {
2367 return 0;
2368 }
2369 if (index == MAX_SCLP_CONSOLES) {
2370 fprintf(stderr, "qemu: too many sclp consoles\n");
2371 exit(1);
2372 }
2373
2374 assert(arch_type == QEMU_ARCH_S390X);
2375
2376 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2377 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2378
2379 snprintf(label, sizeof(label), "sclpcon%d", index);
2380 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2381 if (!sclp_hds[index]) {
2382 fprintf(stderr, "qemu: could not connect sclp console"
2383 " to character backend '%s'\n", devname);
2384 return -1;
2385 }
2386 qemu_opt_set(dev_opts, "chardev", label);
2387
2388 index++;
2389 return 0;
2390 }
2391
2392 static int debugcon_parse(const char *devname)
2393 {
2394 QemuOpts *opts;
2395
2396 if (!qemu_chr_new("debugcon", devname, NULL)) {
2397 exit(1);
2398 }
2399 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2400 if (!opts) {
2401 fprintf(stderr, "qemu: already have a debugcon device\n");
2402 exit(1);
2403 }
2404 qemu_opt_set(opts, "driver", "isa-debugcon");
2405 qemu_opt_set(opts, "chardev", "debugcon");
2406 return 0;
2407 }
2408
2409 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2410 {
2411 const MachineClass *mc1 = a, *mc2 = b;
2412 int res;
2413
2414 if (mc1->family == NULL) {
2415 if (mc2->family == NULL) {
2416 /* Compare standalone machine types against each other; they sort
2417 * in increasing order.
2418 */
2419 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2420 object_class_get_name(OBJECT_CLASS(mc2)));
2421 }
2422
2423 /* Standalone machine types sort after families. */
2424 return 1;
2425 }
2426
2427 if (mc2->family == NULL) {
2428 /* Families sort before standalone machine types. */
2429 return -1;
2430 }
2431
2432 /* Families sort between each other alphabetically increasingly. */
2433 res = strcmp(mc1->family, mc2->family);
2434 if (res != 0) {
2435 return res;
2436 }
2437
2438 /* Within the same family, machine types sort in decreasing order. */
2439 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2440 object_class_get_name(OBJECT_CLASS(mc1)));
2441 }
2442
2443 static MachineClass *machine_parse(const char *name)
2444 {
2445 MachineClass *mc = NULL;
2446 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2447
2448 if (name) {
2449 mc = find_machine(name);
2450 }
2451 if (mc) {
2452 g_slist_free(machines);
2453 return mc;
2454 }
2455 if (name && !is_help_option(name)) {
2456 error_report("Unsupported machine type");
2457 error_printf("Use -machine help to list supported machines!\n");
2458 } else {
2459 printf("Supported machines are:\n");
2460 machines = g_slist_sort(machines, machine_class_cmp);
2461 for (el = machines; el; el = el->next) {
2462 MachineClass *mc = el->data;
2463 if (mc->alias) {
2464 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2465 }
2466 printf("%-20s %s%s\n", mc->name, mc->desc,
2467 mc->is_default ? " (default)" : "");
2468 }
2469 }
2470
2471 g_slist_free(machines);
2472 exit(!name || !is_help_option(name));
2473 }
2474
2475 void qemu_add_exit_notifier(Notifier *notify)
2476 {
2477 notifier_list_add(&exit_notifiers, notify);
2478 }
2479
2480 void qemu_remove_exit_notifier(Notifier *notify)
2481 {
2482 notifier_remove(notify);
2483 }
2484
2485 static void qemu_run_exit_notifiers(void)
2486 {
2487 notifier_list_notify(&exit_notifiers, NULL);
2488 }
2489
2490 void qemu_add_machine_init_done_notifier(Notifier *notify)
2491 {
2492 notifier_list_add(&machine_init_done_notifiers, notify);
2493 }
2494
2495 static void qemu_run_machine_init_done_notifiers(void)
2496 {
2497 notifier_list_notify(&machine_init_done_notifiers, NULL);
2498 }
2499
2500 static const QEMUOption *lookup_opt(int argc, char **argv,
2501 const char **poptarg, int *poptind)
2502 {
2503 const QEMUOption *popt;
2504 int optind = *poptind;
2505 char *r = argv[optind];
2506 const char *optarg;
2507
2508 loc_set_cmdline(argv, optind, 1);
2509 optind++;
2510 /* Treat --foo the same as -foo. */
2511 if (r[1] == '-')
2512 r++;
2513 popt = qemu_options;
2514 for(;;) {
2515 if (!popt->name) {
2516 error_report("invalid option");
2517 exit(1);
2518 }
2519 if (!strcmp(popt->name, r + 1))
2520 break;
2521 popt++;
2522 }
2523 if (popt->flags & HAS_ARG) {
2524 if (optind >= argc) {
2525 error_report("requires an argument");
2526 exit(1);
2527 }
2528 optarg = argv[optind++];
2529 loc_set_cmdline(argv, optind - 2, 2);
2530 } else {
2531 optarg = NULL;
2532 }
2533
2534 *poptarg = optarg;
2535 *poptind = optind;
2536
2537 return popt;
2538 }
2539
2540 static gpointer malloc_and_trace(gsize n_bytes)
2541 {
2542 void *ptr = malloc(n_bytes);
2543 trace_g_malloc(n_bytes, ptr);
2544 return ptr;
2545 }
2546
2547 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2548 {
2549 void *ptr = realloc(mem, n_bytes);
2550 trace_g_realloc(mem, n_bytes, ptr);
2551 return ptr;
2552 }
2553
2554 static void free_and_trace(gpointer mem)
2555 {
2556 trace_g_free(mem);
2557 free(mem);
2558 }
2559
2560 static int machine_set_property(const char *name, const char *value,
2561 void *opaque)
2562 {
2563 Object *obj = OBJECT(opaque);
2564 Error *local_err = NULL;
2565 char *c, *qom_name;
2566
2567 if (strcmp(name, "type") == 0) {
2568 return 0;
2569 }
2570
2571 qom_name = g_strdup(name);
2572 c = qom_name;
2573 while (*c++) {
2574 if (*c == '_') {
2575 *c = '-';
2576 }
2577 }
2578
2579 object_property_parse(obj, value, qom_name, &local_err);
2580 g_free(qom_name);
2581
2582 if (local_err) {
2583 qerror_report_err(local_err);
2584 error_free(local_err);
2585 return -1;
2586 }
2587
2588 return 0;
2589 }
2590
2591 static int object_create(QemuOpts *opts, void *opaque)
2592 {
2593 Error *err = NULL;
2594 char *type = NULL;
2595 char *id = NULL;
2596 void *dummy = NULL;
2597 OptsVisitor *ov;
2598 QDict *pdict;
2599
2600 ov = opts_visitor_new(opts);
2601 pdict = qemu_opts_to_qdict(opts, NULL);
2602
2603 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2604 if (err) {
2605 goto out;
2606 }
2607
2608 qdict_del(pdict, "qom-type");
2609 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2610 if (err) {
2611 goto out;
2612 }
2613
2614 qdict_del(pdict, "id");
2615 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2616 if (err) {
2617 goto out;
2618 }
2619
2620 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2621 if (err) {
2622 goto out;
2623 }
2624 visit_end_struct(opts_get_visitor(ov), &err);
2625 if (err) {
2626 qmp_object_del(id, NULL);
2627 }
2628
2629 out:
2630 opts_visitor_cleanup(ov);
2631
2632 QDECREF(pdict);
2633 g_free(id);
2634 g_free(type);
2635 g_free(dummy);
2636 if (err) {
2637 qerror_report_err(err);
2638 error_free(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);
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 if (sz < ram_size) {
2698 error_report("invalid -m option value: maxmem "
2699 "(0x%" PRIx64 ") <= initial memory (0x"
2700 RAM_ADDR_FMT ")", sz, ram_size);
2701 exit(EXIT_FAILURE);
2702 }
2703
2704 slots = qemu_opt_get_number(opts, "slots", 0);
2705 if ((sz > ram_size) && !slots) {
2706 error_report("invalid -m option value: maxmem "
2707 "(0x%" PRIx64 ") more than initial memory (0x"
2708 RAM_ADDR_FMT ") but no hotplug slots where "
2709 "specified", sz, ram_size);
2710 exit(EXIT_FAILURE);
2711 }
2712
2713 if ((sz <= ram_size) && slots) {
2714 error_report("invalid -m option value: %"
2715 PRIu64 " hotplug slots where specified but "
2716 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
2717 RAM_ADDR_FMT ")", slots, sz, ram_size);
2718 exit(EXIT_FAILURE);
2719 }
2720 *maxram_size = sz;
2721 *ram_slots = slots;
2722 } else if ((!maxmem_str && slots_str) ||
2723 (maxmem_str && !slots_str)) {
2724 error_report("invalid -m option value: missing "
2725 "'%s' option", slots_str ? "maxmem" : "slots");
2726 exit(EXIT_FAILURE);
2727 }
2728 }
2729
2730 int main(int argc, char **argv, char **envp)
2731 {
2732 int i;
2733 int snapshot, linux_boot;
2734 const char *initrd_filename;
2735 const char *kernel_filename, *kernel_cmdline;
2736 const char *boot_order;
2737 DisplayState *ds;
2738 int cyls, heads, secs, translation;
2739 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2740 QemuOptsList *olist;
2741 int optind;
2742 const char *optarg;
2743 const char *loadvm = NULL;
2744 MachineClass *machine_class;
2745 const char *cpu_model;
2746 const char *vga_model = NULL;
2747 const char *qtest_chrdev = NULL;
2748 const char *qtest_log = NULL;
2749 const char *pid_file = NULL;
2750 const char *incoming = NULL;
2751 #ifdef CONFIG_VNC
2752 int show_vnc_port = 0;
2753 #endif
2754 bool defconfig = true;
2755 bool userconfig = true;
2756 const char *log_mask = NULL;
2757 const char *log_file = NULL;
2758 GMemVTable mem_trace = {
2759 .malloc = malloc_and_trace,
2760 .realloc = realloc_and_trace,
2761 .free = free_and_trace,
2762 };
2763 const char *trace_events = NULL;
2764 const char *trace_file = NULL;
2765 ram_addr_t maxram_size;
2766 uint64_t ram_slots = 0;
2767 FILE *vmstate_dump_file = NULL;
2768 Error *main_loop_err = NULL;
2769
2770 atexit(qemu_run_exit_notifiers);
2771 error_set_progname(argv[0]);
2772 qemu_init_exec_dir(argv[0]);
2773
2774 g_mem_set_vtable(&mem_trace);
2775
2776 module_call_init(MODULE_INIT_QOM);
2777
2778 qemu_add_opts(&qemu_drive_opts);
2779 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2780 qemu_add_drive_opts(&qemu_common_drive_opts);
2781 qemu_add_drive_opts(&qemu_drive_opts);
2782 qemu_add_opts(&qemu_chardev_opts);
2783 qemu_add_opts(&qemu_device_opts);
2784 qemu_add_opts(&qemu_netdev_opts);
2785 qemu_add_opts(&qemu_net_opts);
2786 qemu_add_opts(&qemu_rtc_opts);
2787 qemu_add_opts(&qemu_global_opts);
2788 qemu_add_opts(&qemu_mon_opts);
2789 qemu_add_opts(&qemu_trace_opts);
2790 qemu_add_opts(&qemu_option_rom_opts);
2791 qemu_add_opts(&qemu_machine_opts);
2792 qemu_add_opts(&qemu_mem_opts);
2793 qemu_add_opts(&qemu_smp_opts);
2794 qemu_add_opts(&qemu_boot_opts);
2795 qemu_add_opts(&qemu_sandbox_opts);
2796 qemu_add_opts(&qemu_add_fd_opts);
2797 qemu_add_opts(&qemu_object_opts);
2798 qemu_add_opts(&qemu_tpmdev_opts);
2799 qemu_add_opts(&qemu_realtime_opts);
2800 qemu_add_opts(&qemu_msg_opts);
2801 qemu_add_opts(&qemu_name_opts);
2802 qemu_add_opts(&qemu_numa_opts);
2803 qemu_add_opts(&qemu_icount_opts);
2804 qemu_add_opts(&qemu_semihosting_config_opts);
2805
2806 runstate_init();
2807
2808 rtc_clock = QEMU_CLOCK_HOST;
2809
2810 QLIST_INIT (&vm_change_state_head);
2811 os_setup_early_signal_handling();
2812
2813 module_call_init(MODULE_INIT_MACHINE);
2814 machine_class = find_default_machine();
2815 cpu_model = NULL;
2816 snapshot = 0;
2817 cyls = heads = secs = 0;
2818 translation = BIOS_ATA_TRANSLATION_AUTO;
2819
2820 nb_nics = 0;
2821
2822 bdrv_init_with_whitelist();
2823
2824 autostart = 1;
2825
2826 /* first pass of option parsing */
2827 optind = 1;
2828 while (optind < argc) {
2829 if (argv[optind][0] != '-') {
2830 /* disk image */
2831 optind++;
2832 } else {
2833 const QEMUOption *popt;
2834
2835 popt = lookup_opt(argc, argv, &optarg, &optind);
2836 switch (popt->index) {
2837 case QEMU_OPTION_nodefconfig:
2838 defconfig = false;
2839 break;
2840 case QEMU_OPTION_nouserconfig:
2841 userconfig = false;
2842 break;
2843 }
2844 }
2845 }
2846
2847 if (defconfig) {
2848 int ret;
2849 ret = qemu_read_default_config_files(userconfig);
2850 if (ret < 0) {
2851 exit(1);
2852 }
2853 }
2854
2855 /* second pass of option parsing */
2856 optind = 1;
2857 for(;;) {
2858 if (optind >= argc)
2859 break;
2860 if (argv[optind][0] != '-') {
2861 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2862 } else {
2863 const QEMUOption *popt;
2864
2865 popt = lookup_opt(argc, argv, &optarg, &optind);
2866 if (!(popt->arch_mask & arch_type)) {
2867 printf("Option %s not supported for this target\n", popt->name);
2868 exit(1);
2869 }
2870 switch(popt->index) {
2871 case QEMU_OPTION_no_kvm_irqchip: {
2872 olist = qemu_find_opts("machine");
2873 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2874 break;
2875 }
2876 case QEMU_OPTION_cpu:
2877 /* hw initialization will check this */
2878 cpu_model = optarg;
2879 break;
2880 case QEMU_OPTION_hda:
2881 {
2882 char buf[256];
2883 if (cyls == 0)
2884 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2885 else
2886 snprintf(buf, sizeof(buf),
2887 "%s,cyls=%d,heads=%d,secs=%d%s",
2888 HD_OPTS , cyls, heads, secs,
2889 translation == BIOS_ATA_TRANSLATION_LBA ?
2890 ",trans=lba" :
2891 translation == BIOS_ATA_TRANSLATION_NONE ?
2892 ",trans=none" : "");
2893 drive_add(IF_DEFAULT, 0, optarg, buf);
2894 break;
2895 }
2896 case QEMU_OPTION_hdb:
2897 case QEMU_OPTION_hdc:
2898 case QEMU_OPTION_hdd:
2899 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2900 HD_OPTS);
2901 break;
2902 case QEMU_OPTION_drive:
2903 if (drive_def(optarg) == NULL) {
2904 exit(1);
2905 }
2906 break;
2907 case QEMU_OPTION_set:
2908 if (qemu_set_option(optarg) != 0)
2909 exit(1);
2910 break;
2911 case QEMU_OPTION_global:
2912 if (qemu_global_option(optarg) != 0)
2913 exit(1);
2914 break;
2915 case QEMU_OPTION_mtdblock:
2916 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2917 break;
2918 case QEMU_OPTION_sd:
2919 drive_add(IF_SD, -1, optarg, SD_OPTS);
2920 break;
2921 case QEMU_OPTION_pflash:
2922 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2923 break;
2924 case QEMU_OPTION_snapshot:
2925 snapshot = 1;
2926 break;
2927 case QEMU_OPTION_hdachs:
2928 {
2929 const char *p;
2930 p = optarg;
2931 cyls = strtol(p, (char **)&p, 0);
2932 if (cyls < 1 || cyls > 16383)
2933 goto chs_fail;
2934 if (*p != ',')
2935 goto chs_fail;
2936 p++;
2937 heads = strtol(p, (char **)&p, 0);
2938 if (heads < 1 || heads > 16)
2939 goto chs_fail;
2940 if (*p != ',')
2941 goto chs_fail;
2942 p++;
2943 secs = strtol(p, (char **)&p, 0);
2944 if (secs < 1 || secs > 63)
2945 goto chs_fail;
2946 if (*p == ',') {
2947 p++;
2948 if (!strcmp(p, "large")) {
2949 translation = BIOS_ATA_TRANSLATION_LARGE;
2950 } else if (!strcmp(p, "rechs")) {
2951 translation = BIOS_ATA_TRANSLATION_RECHS;
2952 } else if (!strcmp(p, "none")) {
2953 translation = BIOS_ATA_TRANSLATION_NONE;
2954 } else if (!strcmp(p, "lba")) {
2955 translation = BIOS_ATA_TRANSLATION_LBA;
2956 } else if (!strcmp(p, "auto")) {
2957 translation = BIOS_ATA_TRANSLATION_AUTO;
2958 } else {
2959 goto chs_fail;
2960 }
2961 } else if (*p != '\0') {
2962 chs_fail:
2963 fprintf(stderr, "qemu: invalid physical CHS format\n");
2964 exit(1);
2965 }
2966 if (hda_opts != NULL) {
2967 char num[16];
2968 snprintf(num, sizeof(num), "%d", cyls);
2969 qemu_opt_set(hda_opts, "cyls", num);
2970 snprintf(num, sizeof(num), "%d", heads);
2971 qemu_opt_set(hda_opts, "heads", num);
2972 snprintf(num, sizeof(num), "%d", secs);
2973 qemu_opt_set(hda_opts, "secs", num);
2974 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2975 qemu_opt_set(hda_opts, "trans", "large");
2976 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2977 qemu_opt_set(hda_opts, "trans", "rechs");
2978 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2979 qemu_opt_set(hda_opts, "trans", "lba");
2980 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2981 qemu_opt_set(hda_opts, "trans", "none");
2982 }
2983 }
2984 }
2985 break;
2986 case QEMU_OPTION_numa:
2987 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2988 if (!opts) {
2989 exit(1);
2990 }
2991 break;
2992 case QEMU_OPTION_display:
2993 display_type = select_display(optarg);
2994 break;
2995 case QEMU_OPTION_nographic:
2996 display_type = DT_NOGRAPHIC;
2997 break;
2998 case QEMU_OPTION_curses:
2999 #ifdef CONFIG_CURSES
3000 display_type = DT_CURSES;
3001 #else
3002 fprintf(stderr, "Curses support is disabled\n");
3003 exit(1);
3004 #endif
3005 break;
3006 case QEMU_OPTION_portrait:
3007 graphic_rotate = 90;
3008 break;
3009 case QEMU_OPTION_rotate:
3010 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3011 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3012 graphic_rotate != 180 && graphic_rotate != 270) {
3013 fprintf(stderr,
3014 "qemu: only 90, 180, 270 deg rotation is available\n");
3015 exit(1);
3016 }
3017 break;
3018 case QEMU_OPTION_kernel:
3019 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3020 break;
3021 case QEMU_OPTION_initrd:
3022 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3023 break;
3024 case QEMU_OPTION_append:
3025 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3026 break;
3027 case QEMU_OPTION_dtb:
3028 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3029 break;
3030 case QEMU_OPTION_cdrom:
3031 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3032 break;
3033 case QEMU_OPTION_boot:
3034 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3035 if (!opts) {
3036 exit(1);
3037 }
3038 break;
3039 case QEMU_OPTION_fda:
3040 case QEMU_OPTION_fdb:
3041 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3042 optarg, FD_OPTS);
3043 break;
3044 case QEMU_OPTION_no_fd_bootchk:
3045 fd_bootchk = 0;
3046 break;
3047 case QEMU_OPTION_netdev:
3048 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3049 exit(1);
3050 }
3051 break;
3052 case QEMU_OPTION_net:
3053 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3054 exit(1);
3055 }
3056 break;
3057 #ifdef CONFIG_LIBISCSI
3058 case QEMU_OPTION_iscsi:
3059 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3060 if (!opts) {
3061 exit(1);
3062 }
3063 break;
3064 #endif
3065 #ifdef CONFIG_SLIRP
3066 case QEMU_OPTION_tftp:
3067 legacy_tftp_prefix = optarg;
3068 break;
3069 case QEMU_OPTION_bootp:
3070 legacy_bootp_filename = optarg;
3071 break;
3072 case QEMU_OPTION_redir:
3073 if (net_slirp_redir(optarg) < 0)
3074 exit(1);
3075 break;
3076 #endif
3077 case QEMU_OPTION_bt:
3078 add_device_config(DEV_BT, optarg);
3079 break;
3080 case QEMU_OPTION_audio_help:
3081 AUD_help ();
3082 exit (0);
3083 break;
3084 case QEMU_OPTION_soundhw:
3085 select_soundhw (optarg);
3086 break;
3087 case QEMU_OPTION_h:
3088 help(0);
3089 break;
3090 case QEMU_OPTION_version:
3091 version();
3092 exit(0);
3093 break;
3094 case QEMU_OPTION_m:
3095 opts = qemu_opts_parse(qemu_find_opts("memory"),
3096 optarg, 1);
3097 if (!opts) {
3098 exit(EXIT_FAILURE);
3099 }
3100 break;
3101 #ifdef CONFIG_TPM
3102 case QEMU_OPTION_tpmdev:
3103 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3104 exit(1);
3105 }
3106 break;
3107 #endif
3108 case QEMU_OPTION_mempath:
3109 mem_path = optarg;
3110 break;
3111 case QEMU_OPTION_mem_prealloc:
3112 mem_prealloc = 1;
3113 break;
3114 case QEMU_OPTION_d:
3115 log_mask = optarg;
3116 break;
3117 case QEMU_OPTION_D:
3118 log_file = optarg;
3119 break;
3120 case QEMU_OPTION_s:
3121 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3122 break;
3123 case QEMU_OPTION_gdb:
3124 add_device_config(DEV_GDB, optarg);
3125 break;
3126 case QEMU_OPTION_L:
3127 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3128 data_dir[data_dir_idx++] = optarg;
3129 }
3130 break;
3131 case QEMU_OPTION_bios:
3132 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3133 break;
3134 case QEMU_OPTION_singlestep:
3135 singlestep = 1;
3136 break;
3137 case QEMU_OPTION_S:
3138 autostart = 0;
3139 break;
3140 case QEMU_OPTION_k:
3141 keyboard_layout = optarg;
3142 break;
3143 case QEMU_OPTION_localtime:
3144 rtc_utc = 0;
3145 break;
3146 case QEMU_OPTION_vga:
3147 vga_model = optarg;
3148 default_vga = 0;
3149 break;
3150 case QEMU_OPTION_g:
3151 {
3152 const char *p;
3153 int w, h, depth;
3154 p = optarg;
3155 w = strtol(p, (char **)&p, 10);
3156 if (w <= 0) {
3157 graphic_error:
3158 fprintf(stderr, "qemu: invalid resolution or depth\n");
3159 exit(1);
3160 }
3161 if (*p != 'x')
3162 goto graphic_error;
3163 p++;
3164 h = strtol(p, (char **)&p, 10);
3165 if (h <= 0)
3166 goto graphic_error;
3167 if (*p == 'x') {
3168 p++;
3169 depth = strtol(p, (char **)&p, 10);
3170 if (depth != 8 && depth != 15 && depth != 16 &&
3171 depth != 24 && depth != 32)
3172 goto graphic_error;
3173 } else if (*p == '\0') {
3174 depth = graphic_depth;
3175 } else {
3176 goto graphic_error;
3177 }
3178
3179 graphic_width = w;
3180 graphic_height = h;
3181 graphic_depth = depth;
3182 }
3183 break;
3184 case QEMU_OPTION_echr:
3185 {
3186 char *r;
3187 term_escape_char = strtol(optarg, &r, 0);
3188 if (r == optarg)
3189 printf("Bad argument to echr\n");
3190 break;
3191 }
3192 case QEMU_OPTION_monitor:
3193 default_monitor = 0;
3194 if (strncmp(optarg, "none", 4)) {
3195 monitor_parse(optarg, "readline", false);
3196 }
3197 break;
3198 case QEMU_OPTION_qmp:
3199 monitor_parse(optarg, "control", false);
3200 default_monitor = 0;
3201 break;
3202 case QEMU_OPTION_qmp_pretty:
3203 monitor_parse(optarg, "control", true);
3204 default_monitor = 0;
3205 break;
3206 case QEMU_OPTION_mon:
3207 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3208 if (!opts) {
3209 exit(1);
3210 }
3211 default_monitor = 0;
3212 break;
3213 case QEMU_OPTION_chardev:
3214 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3215 if (!opts) {
3216 exit(1);
3217 }
3218 break;
3219 case QEMU_OPTION_fsdev:
3220 olist = qemu_find_opts("fsdev");
3221 if (!olist) {
3222 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3223 exit(1);
3224 }
3225 opts = qemu_opts_parse(olist, optarg, 1);
3226 if (!opts) {
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_virtfs: {
3231 QemuOpts *fsdev;
3232 QemuOpts *device;
3233 const char *writeout, *sock_fd, *socket;
3234
3235 olist = qemu_find_opts("virtfs");
3236 if (!olist) {
3237 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3238 exit(1);
3239 }
3240 opts = qemu_opts_parse(olist, optarg, 1);
3241 if (!opts) {
3242 exit(1);
3243 }
3244
3245 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3246 qemu_opt_get(opts, "mount_tag") == NULL) {
3247 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3248 exit(1);
3249 }
3250 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3251 qemu_opt_get(opts, "mount_tag"),
3252 1, NULL);
3253 if (!fsdev) {
3254 fprintf(stderr, "duplicate fsdev id: %s\n",
3255 qemu_opt_get(opts, "mount_tag"));
3256 exit(1);
3257 }
3258
3259 writeout = qemu_opt_get(opts, "writeout");
3260 if (writeout) {
3261 #ifdef CONFIG_SYNC_FILE_RANGE
3262 qemu_opt_set(fsdev, "writeout", writeout);
3263 #else
3264 fprintf(stderr, "writeout=immediate not supported on "
3265 "this platform\n");
3266 exit(1);
3267 #endif
3268 }
3269 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3270 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3271 qemu_opt_set(fsdev, "security_model",
3272 qemu_opt_get(opts, "security_model"));
3273 socket = qemu_opt_get(opts, "socket");
3274 if (socket) {
3275 qemu_opt_set(fsdev, "socket", socket);
3276 }
3277 sock_fd = qemu_opt_get(opts, "sock_fd");
3278 if (sock_fd) {
3279 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3280 }
3281
3282 qemu_opt_set_bool(fsdev, "readonly",
3283 qemu_opt_get_bool(opts, "readonly", 0));
3284 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3285 &error_abort);
3286 qemu_opt_set(device, "driver", "virtio-9p-pci");
3287 qemu_opt_set(device, "fsdev",
3288 qemu_opt_get(opts, "mount_tag"));
3289 qemu_opt_set(device, "mount_tag",
3290 qemu_opt_get(opts, "mount_tag"));
3291 break;
3292 }
3293 case QEMU_OPTION_virtfs_synth: {
3294 QemuOpts *fsdev;
3295 QemuOpts *device;
3296
3297 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3298 1, NULL);
3299 if (!fsdev) {
3300 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3301 exit(1);
3302 }
3303 qemu_opt_set(fsdev, "fsdriver", "synth");
3304
3305 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3306 &error_abort);
3307 qemu_opt_set(device, "driver", "virtio-9p-pci");
3308 qemu_opt_set(device, "fsdev", "v_synth");
3309 qemu_opt_set(device, "mount_tag", "v_synth");
3310 break;
3311 }
3312 case QEMU_OPTION_serial:
3313 add_device_config(DEV_SERIAL, optarg);
3314 default_serial = 0;
3315 if (strncmp(optarg, "mon:", 4) == 0) {
3316 default_monitor = 0;
3317 }
3318 break;
3319 case QEMU_OPTION_watchdog:
3320 if (watchdog) {
3321 fprintf(stderr,
3322 "qemu: only one watchdog option may be given\n");
3323 return 1;
3324 }
3325 watchdog = optarg;
3326 break;
3327 case QEMU_OPTION_watchdog_action:
3328 if (select_watchdog_action(optarg) == -1) {
3329 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3330 exit(1);
3331 }
3332 break;
3333 case QEMU_OPTION_virtiocon:
3334 add_device_config(DEV_VIRTCON, optarg);
3335 default_virtcon = 0;
3336 if (strncmp(optarg, "mon:", 4) == 0) {
3337 default_monitor = 0;
3338 }
3339 break;
3340 case QEMU_OPTION_parallel:
3341 add_device_config(DEV_PARALLEL, optarg);
3342 default_parallel = 0;
3343 if (strncmp(optarg, "mon:", 4) == 0) {
3344 default_monitor = 0;
3345 }
3346 break;
3347 case QEMU_OPTION_debugcon:
3348 add_device_config(DEV_DEBUGCON, optarg);
3349 break;
3350 case QEMU_OPTION_loadvm:
3351 loadvm = optarg;
3352 break;
3353 case QEMU_OPTION_full_screen:
3354 full_screen = 1;
3355 break;
3356 case QEMU_OPTION_no_frame:
3357 no_frame = 1;
3358 break;
3359 case QEMU_OPTION_alt_grab:
3360 alt_grab = 1;
3361 break;
3362 case QEMU_OPTION_ctrl_grab:
3363 ctrl_grab = 1;
3364 break;
3365 case QEMU_OPTION_no_quit:
3366 no_quit = 1;
3367 break;
3368 case QEMU_OPTION_sdl:
3369 #ifdef CONFIG_SDL
3370 display_type = DT_SDL;
3371 break;
3372 #else
3373 fprintf(stderr, "SDL support is disabled\n");
3374 exit(1);
3375 #endif
3376 case QEMU_OPTION_pidfile:
3377 pid_file = optarg;
3378 break;
3379 case QEMU_OPTION_win2k_hack:
3380 win2k_install_hack = 1;
3381 break;
3382 case QEMU_OPTION_rtc_td_hack: {
3383 static GlobalProperty slew_lost_ticks[] = {
3384 {
3385 .driver = "mc146818rtc",
3386 .property = "lost_tick_policy",
3387 .value = "slew",
3388 },
3389 { /* end of list */ }
3390 };
3391
3392 qdev_prop_register_global_list(slew_lost_ticks);
3393 break;
3394 }
3395 case QEMU_OPTION_acpitable:
3396 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3397 if (!opts) {
3398 exit(1);
3399 }
3400 do_acpitable_option(opts);
3401 break;
3402 case QEMU_OPTION_smbios:
3403 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3404 if (!opts) {
3405 exit(1);
3406 }
3407 do_smbios_option(opts);
3408 break;
3409 case QEMU_OPTION_enable_kvm:
3410 olist = qemu_find_opts("machine");
3411 qemu_opts_parse(olist, "accel=kvm", 0);
3412 break;
3413 case QEMU_OPTION_M:
3414 case QEMU_OPTION_machine:
3415 olist = qemu_find_opts("machine");
3416 opts = qemu_opts_parse(olist, optarg, 1);
3417 if (!opts) {
3418 exit(1);
3419 }
3420 break;
3421 case QEMU_OPTION_no_kvm:
3422 olist = qemu_find_opts("machine");
3423 qemu_opts_parse(olist, "accel=tcg", 0);
3424 break;
3425 case QEMU_OPTION_no_kvm_pit: {
3426 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3427 "separately.\n");
3428 break;
3429 }
3430 case QEMU_OPTION_no_kvm_pit_reinjection: {
3431 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3432 {
3433 .driver = "kvm-pit",
3434 .property = "lost_tick_policy",
3435 .value = "discard",
3436 },
3437 { /* end of list */ }
3438 };
3439
3440 fprintf(stderr, "Warning: option deprecated, use "
3441 "lost_tick_policy property of kvm-pit instead.\n");
3442 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3443 break;
3444 }
3445 case QEMU_OPTION_usb:
3446 olist = qemu_find_opts("machine");
3447 qemu_opts_parse(olist, "usb=on", 0);
3448 break;
3449 case QEMU_OPTION_usbdevice:
3450 olist = qemu_find_opts("machine");
3451 qemu_opts_parse(olist, "usb=on", 0);
3452 add_device_config(DEV_USB, optarg);
3453 break;
3454 case QEMU_OPTION_device:
3455 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3456 exit(1);
3457 }
3458 break;
3459 case QEMU_OPTION_smp:
3460 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3461 exit(1);
3462 }
3463 break;
3464 case QEMU_OPTION_vnc:
3465 #ifdef CONFIG_VNC
3466 display_remote++;
3467 if (vnc_parse_func(optarg) == NULL) {
3468 exit(1);
3469 }
3470 #else
3471 fprintf(stderr, "VNC support is disabled\n");
3472 exit(1);
3473 #endif
3474 break;
3475 case QEMU_OPTION_no_acpi:
3476 acpi_enabled = 0;
3477 break;
3478 case QEMU_OPTION_no_hpet:
3479 no_hpet = 1;
3480 break;
3481 case QEMU_OPTION_balloon:
3482 if (balloon_parse(optarg) < 0) {
3483 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3484 exit(1);
3485 }
3486 break;
3487 case QEMU_OPTION_no_reboot:
3488 no_reboot = 1;
3489 break;
3490 case QEMU_OPTION_no_shutdown:
3491 no_shutdown = 1;
3492 break;
3493 case QEMU_OPTION_show_cursor:
3494 cursor_hide = 0;
3495 break;
3496 case QEMU_OPTION_uuid:
3497 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3498 fprintf(stderr, "Fail to parse UUID string."
3499 " Wrong format.\n");
3500 exit(1);
3501 }
3502 qemu_uuid_set = true;
3503 break;
3504 case QEMU_OPTION_option_rom:
3505 if (nb_option_roms >= MAX_OPTION_ROMS) {
3506 fprintf(stderr, "Too many option ROMs\n");
3507 exit(1);
3508 }
3509 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3510 if (!opts) {
3511 exit(1);
3512 }
3513 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3514 option_rom[nb_option_roms].bootindex =
3515 qemu_opt_get_number(opts, "bootindex", -1);
3516 if (!option_rom[nb_option_roms].name) {
3517 fprintf(stderr, "Option ROM file is not specified\n");
3518 exit(1);
3519 }
3520 nb_option_roms++;
3521 break;
3522 case QEMU_OPTION_semihosting:
3523 semihosting_enabled = 1;
3524 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3525 break;
3526 case QEMU_OPTION_semihosting_config:
3527 semihosting_enabled = 1;
3528 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3529 optarg, 0);
3530 if (opts != NULL) {
3531 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3532 true);
3533 const char *target = qemu_opt_get(opts, "target");
3534 if (target != NULL) {
3535 if (strcmp("native", target) == 0) {
3536 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3537 } else if (strcmp("gdb", target) == 0) {
3538 semihosting_target = SEMIHOSTING_TARGET_GDB;
3539 } else if (strcmp("auto", target) == 0) {
3540 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3541 } else {
3542 fprintf(stderr, "Unsupported semihosting-config"
3543 " %s\n",
3544 optarg);
3545 exit(1);
3546 }
3547 } else {
3548 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3549 }
3550 } else {
3551 fprintf(stderr, "Unsupported semihosting-config %s\n",
3552 optarg);
3553 exit(1);
3554 }
3555 break;
3556 case QEMU_OPTION_tdf:
3557 fprintf(stderr, "Warning: user space PIT time drift fix "
3558 "is no longer supported.\n");
3559 break;
3560 case QEMU_OPTION_name:
3561 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3562 if (!opts) {
3563 exit(1);
3564 }
3565 break;
3566 case QEMU_OPTION_prom_env:
3567 if (nb_prom_envs >= MAX_PROM_ENVS) {
3568 fprintf(stderr, "Too many prom variables\n");
3569 exit(1);
3570 }
3571 prom_envs[nb_prom_envs] = optarg;
3572 nb_prom_envs++;
3573 break;
3574 case QEMU_OPTION_old_param:
3575 old_param = 1;
3576 break;
3577 case QEMU_OPTION_clock:
3578 /* Clock options no longer exist. Keep this option for
3579 * backward compatibility.
3580 */
3581 break;
3582 case QEMU_OPTION_startdate:
3583 configure_rtc_date_offset(optarg, 1);
3584 break;
3585 case QEMU_OPTION_rtc:
3586 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3587 if (!opts) {
3588 exit(1);
3589 }
3590 configure_rtc(opts);
3591 break;
3592 case QEMU_OPTION_tb_size:
3593 tcg_tb_size = strtol(optarg, NULL, 0);
3594 if (tcg_tb_size < 0) {
3595 tcg_tb_size = 0;
3596 }
3597 break;
3598 case QEMU_OPTION_icount:
3599 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3600 optarg, 1);
3601 if (!icount_opts) {
3602 exit(1);
3603 }
3604 break;
3605 case QEMU_OPTION_incoming:
3606 incoming = optarg;
3607 runstate_set(RUN_STATE_INMIGRATE);
3608 break;
3609 case QEMU_OPTION_nodefaults:
3610 has_defaults = 0;
3611 break;
3612 case QEMU_OPTION_xen_domid:
3613 if (!(xen_available())) {
3614 printf("Option %s not supported for this target\n", popt->name);
3615 exit(1);
3616 }
3617 xen_domid = atoi(optarg);
3618 break;
3619 case QEMU_OPTION_xen_create:
3620 if (!(xen_available())) {
3621 printf("Option %s not supported for this target\n", popt->name);
3622 exit(1);
3623 }
3624 xen_mode = XEN_CREATE;
3625 break;
3626 case QEMU_OPTION_xen_attach:
3627 if (!(xen_available())) {
3628 printf("Option %s not supported for this target\n", popt->name);
3629 exit(1);
3630 }
3631 xen_mode = XEN_ATTACH;
3632 break;
3633 case QEMU_OPTION_trace:
3634 {
3635 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 trace_events = qemu_opt_get(opts, "events");
3640 trace_file = qemu_opt_get(opts, "file");
3641 break;
3642 }
3643 case QEMU_OPTION_readconfig:
3644 {
3645 int ret = qemu_read_config_file(optarg);
3646 if (ret < 0) {
3647 fprintf(stderr, "read config %s: %s\n", optarg,
3648 strerror(-ret));
3649 exit(1);
3650 }
3651 break;
3652 }
3653 case QEMU_OPTION_spice:
3654 olist = qemu_find_opts("spice");
3655 if (!olist) {
3656 fprintf(stderr, "spice is not supported by this qemu build.\n");
3657 exit(1);
3658 }
3659 opts = qemu_opts_parse(olist, optarg, 0);
3660 if (!opts) {
3661 exit(1);
3662 }
3663 display_remote++;
3664 break;
3665 case QEMU_OPTION_writeconfig:
3666 {
3667 FILE *fp;
3668 if (strcmp(optarg, "-") == 0) {
3669 fp = stdout;
3670 } else {
3671 fp = fopen(optarg, "w");
3672 if (fp == NULL) {
3673 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3674 exit(1);
3675 }
3676 }
3677 qemu_config_write(fp);
3678 if (fp != stdout) {
3679 fclose(fp);
3680 }
3681 break;
3682 }
3683 case QEMU_OPTION_qtest:
3684 qtest_chrdev = optarg;
3685 break;
3686 case QEMU_OPTION_qtest_log:
3687 qtest_log = optarg;
3688 break;
3689 case QEMU_OPTION_sandbox:
3690 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3691 if (!opts) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_add_fd:
3696 #ifndef _WIN32
3697 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3698 if (!opts) {
3699 exit(1);
3700 }
3701 #else
3702 error_report("File descriptor passing is disabled on this "
3703 "platform");
3704 exit(1);
3705 #endif
3706 break;
3707 case QEMU_OPTION_object:
3708 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 break;
3713 case QEMU_OPTION_realtime:
3714 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3715 if (!opts) {
3716 exit(1);
3717 }
3718 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3719 break;
3720 case QEMU_OPTION_msg:
3721 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 configure_msg(opts);
3726 break;
3727 case QEMU_OPTION_dump_vmstate:
3728 if (vmstate_dump_file) {
3729 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3730 "option may be given\n");
3731 exit(1);
3732 }
3733 vmstate_dump_file = fopen(optarg, "w");
3734 if (vmstate_dump_file == NULL) {
3735 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3736 exit(1);
3737 }
3738 break;
3739 default:
3740 os_parse_cmd_args(popt->index, optarg);
3741 }
3742 }
3743 }
3744
3745 opts = qemu_get_machine_opts();
3746 optarg = qemu_opt_get(opts, "type");
3747 if (optarg) {
3748 machine_class = machine_parse(optarg);
3749 }
3750
3751 set_memory_options(&ram_slots, &maxram_size);
3752
3753 loc_set_none();
3754
3755 os_daemonize();
3756
3757 if (qemu_init_main_loop(&main_loop_err)) {
3758 error_report("%s", error_get_pretty(main_loop_err));
3759 exit(1);
3760 }
3761
3762 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3763 exit(1);
3764 }
3765
3766 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3767 exit(1);
3768 }
3769
3770 #ifndef _WIN32
3771 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3772 exit(1);
3773 }
3774
3775 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3776 exit(1);
3777 }
3778 #endif
3779
3780 if (machine_class == NULL) {
3781 fprintf(stderr, "No machine specified, and there is no default.\n"
3782 "Use -machine help to list supported machines!\n");
3783 exit(1);
3784 }
3785
3786 current_machine = MACHINE(object_new(object_class_get_name(
3787 OBJECT_CLASS(machine_class))));
3788 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3789 exit(0);
3790 }
3791 object_property_add_child(object_get_root(), "machine",
3792 OBJECT(current_machine), &error_abort);
3793 cpu_exec_init_all();
3794
3795 if (machine_class->hw_version) {
3796 qemu_set_version(machine_class->hw_version);
3797 }
3798
3799 /* Init CPU def lists, based on config
3800 * - Must be called after all the qemu_read_config_file() calls
3801 * - Must be called before list_cpus()
3802 * - Must be called before machine->init()
3803 */
3804 cpudef_init();
3805
3806 if (cpu_model && is_help_option(cpu_model)) {
3807 list_cpus(stdout, &fprintf, cpu_model);
3808 exit(0);
3809 }
3810
3811 /* Open the logfile at this point, if necessary. We can't open the logfile
3812 * when encountering either of the logging options (-d or -D) because the
3813 * other one may be encountered later on the command line, changing the
3814 * location or level of logging.
3815 */
3816 if (log_mask) {
3817 int mask;
3818 if (log_file) {
3819 qemu_set_log_filename(log_file);
3820 }
3821
3822 mask = qemu_str_to_log_mask(log_mask);
3823 if (!mask) {
3824 qemu_print_log_usage(stdout);
3825 exit(1);
3826 }
3827 qemu_set_log(mask);
3828 }
3829
3830 if (!is_daemonized()) {
3831 if (!trace_init_backends(trace_events, trace_file)) {
3832 exit(1);
3833 }
3834 }
3835
3836 /* If no data_dir is specified then try to find it relative to the
3837 executable path. */
3838 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3839 data_dir[data_dir_idx] = os_find_datadir();
3840 if (data_dir[data_dir_idx] != NULL) {
3841 data_dir_idx++;
3842 }
3843 }
3844 /* If all else fails use the install path specified when building. */
3845 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3846 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3847 }
3848
3849 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3850
3851 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3852 if (max_cpus > machine_class->max_cpus) {
3853 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3854 "supported by machine `%s' (%d)\n", max_cpus,
3855 machine_class->name, machine_class->max_cpus);
3856 exit(1);
3857 }
3858
3859 /*
3860 * Get the default machine options from the machine if it is not already
3861 * specified either by the configuration file or by the command line.
3862 */
3863 if (machine_class->default_machine_opts) {
3864 qemu_opts_set_defaults(qemu_find_opts("machine"),
3865 machine_class->default_machine_opts, 0);
3866 }
3867
3868 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3869 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3870
3871 if (!vga_model && !default_vga) {
3872 vga_interface_type = VGA_DEVICE;
3873 }
3874 if (!has_defaults || machine_class->no_serial) {
3875 default_serial = 0;
3876 }
3877 if (!has_defaults || machine_class->no_parallel) {
3878 default_parallel = 0;
3879 }
3880 if (!has_defaults || !machine_class->use_virtcon) {
3881 default_virtcon = 0;
3882 }
3883 if (!has_defaults || !machine_class->use_sclp) {
3884 default_sclp = 0;
3885 }
3886 if (!has_defaults || machine_class->no_floppy) {
3887 default_floppy = 0;
3888 }
3889 if (!has_defaults || machine_class->no_cdrom) {
3890 default_cdrom = 0;
3891 }
3892 if (!has_defaults || machine_class->no_sdcard) {
3893 default_sdcard = 0;
3894 }
3895 if (!has_defaults) {
3896 default_monitor = 0;
3897 default_net = 0;
3898 default_vga = 0;
3899 }
3900
3901 if (is_daemonized()) {
3902 /* According to documentation and historically, -nographic redirects
3903 * serial port, parallel port and monitor to stdio, which does not work
3904 * with -daemonize. We can redirect these to null instead, but since
3905 * -nographic is legacy, let's just error out.
3906 * We disallow -nographic only if all other ports are not redirected
3907 * explicitly, to not break existing legacy setups which uses
3908 * -nographic _and_ redirects all ports explicitly - this is valid
3909 * usage, -nographic is just a no-op in this case.
3910 */
3911 if (display_type == DT_NOGRAPHIC
3912 && (default_parallel || default_serial
3913 || default_monitor || default_virtcon)) {
3914 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3915 exit(1);
3916 }
3917 #ifdef CONFIG_CURSES
3918 if (display_type == DT_CURSES) {
3919 fprintf(stderr, "curses display can not be used with -daemonize\n");
3920 exit(1);
3921 }
3922 #endif
3923 }
3924
3925 if (display_type == DT_NOGRAPHIC) {
3926 if (default_parallel)
3927 add_device_config(DEV_PARALLEL, "null");
3928 if (default_serial && default_monitor) {
3929 add_device_config(DEV_SERIAL, "mon:stdio");
3930 } else if (default_virtcon && default_monitor) {
3931 add_device_config(DEV_VIRTCON, "mon:stdio");
3932 } else if (default_sclp && default_monitor) {
3933 add_device_config(DEV_SCLP, "mon:stdio");
3934 } else {
3935 if (default_serial)
3936 add_device_config(DEV_SERIAL, "stdio");
3937 if (default_virtcon)
3938 add_device_config(DEV_VIRTCON, "stdio");
3939 if (default_sclp) {
3940 add_device_config(DEV_SCLP, "stdio");
3941 }
3942 if (default_monitor)
3943 monitor_parse("stdio", "readline", false);
3944 }
3945 } else {
3946 if (default_serial)
3947 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3948 if (default_parallel)
3949 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3950 if (default_monitor)
3951 monitor_parse("vc:80Cx24C", "readline", false);
3952 if (default_virtcon)
3953 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3954 if (default_sclp) {
3955 add_device_config(DEV_SCLP, "vc:80Cx24C");
3956 }
3957 }
3958
3959 if (display_type == DT_DEFAULT && !display_remote) {
3960 #if defined(CONFIG_GTK)
3961 display_type = DT_GTK;
3962 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3963 display_type = DT_SDL;
3964 #elif defined(CONFIG_VNC)
3965 vnc_parse_func("localhost:0,to=99,id=default");
3966 show_vnc_port = 1;
3967 #else
3968 display_type = DT_NONE;
3969 #endif
3970 }
3971
3972 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3973 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3974 "for SDL, ignoring option\n");
3975 }
3976 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3977 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3978 "ignoring option\n");
3979 }
3980
3981 #if defined(CONFIG_GTK)
3982 if (display_type == DT_GTK) {
3983 early_gtk_display_init();
3984 }
3985 #endif
3986
3987 socket_init();
3988
3989 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3990 exit(1);
3991 #ifdef CONFIG_VIRTFS
3992 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3993 exit(1);
3994 }
3995 #endif
3996
3997 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3998 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3999 exit(1);
4000 }
4001
4002 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4003 != 0) {
4004 exit(0);
4005 }
4006
4007 if (qemu_opts_foreach(qemu_find_opts("object"),
4008 object_create, NULL, 0) != 0) {
4009 exit(1);
4010 }
4011
4012 machine_opts = qemu_get_machine_opts();
4013 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4014 1) < 0) {
4015 object_unref(OBJECT(current_machine));
4016 exit(1);
4017 }
4018
4019 configure_accelerator(current_machine);
4020
4021 if (qtest_chrdev) {
4022 Error *local_err = NULL;
4023 qtest_init(qtest_chrdev, qtest_log, &local_err);
4024 if (local_err) {
4025 error_report("%s", error_get_pretty(local_err));
4026 error_free(local_err);
4027 exit(1);
4028 }
4029 }
4030
4031 machine_opts = qemu_get_machine_opts();
4032 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4033 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4034 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4035 bios_name = qemu_opt_get(machine_opts, "firmware");
4036
4037 boot_order = machine_class->default_boot_order;
4038 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4039 if (opts) {
4040 char *normal_boot_order;
4041 const char *order, *once;
4042 Error *local_err = NULL;
4043
4044 order = qemu_opt_get(opts, "order");
4045 if (order) {
4046 validate_bootdevices(order, &local_err);
4047 if (local_err) {
4048 error_report("%s", error_get_pretty(local_err));
4049 exit(1);
4050 }
4051 boot_order = order;
4052 }
4053
4054 once = qemu_opt_get(opts, "once");
4055 if (once) {
4056 validate_bootdevices(once, &local_err);
4057 if (local_err) {
4058 error_report("%s", error_get_pretty(local_err));
4059 exit(1);
4060 }
4061 normal_boot_order = g_strdup(boot_order);
4062 boot_order = once;
4063 qemu_register_reset(restore_boot_order, normal_boot_order);
4064 }
4065
4066 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4067 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4068 }
4069
4070 if (!kernel_cmdline) {
4071 kernel_cmdline = "";
4072 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4073 }
4074
4075 linux_boot = (kernel_filename != NULL);
4076
4077 if (!linux_boot && *kernel_cmdline != '\0') {
4078 fprintf(stderr, "-append only allowed with -kernel option\n");
4079 exit(1);
4080 }
4081
4082 if (!linux_boot && initrd_filename != NULL) {
4083 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4084 exit(1);
4085 }
4086
4087 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4088 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4089 exit(1);
4090 }
4091
4092 os_set_line_buffering();
4093
4094 qemu_init_cpu_loop();
4095 qemu_mutex_lock_iothread();
4096
4097 #ifdef CONFIG_SPICE
4098 /* spice needs the timers to be initialized by this point */
4099 qemu_spice_init();
4100 #endif
4101
4102 cpu_ticks_init();
4103 if (icount_opts) {
4104 if (kvm_enabled() || xen_enabled()) {
4105 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4106 exit(1);
4107 }
4108 configure_icount(icount_opts, &error_abort);
4109 qemu_opts_del(icount_opts);
4110 }
4111
4112 /* clean up network at qemu process termination */
4113 atexit(&net_cleanup);
4114
4115 if (net_init_clients() < 0) {
4116 exit(1);
4117 }
4118
4119 #ifdef CONFIG_TPM
4120 if (tpm_init() < 0) {
4121 exit(1);
4122 }
4123 #endif
4124
4125 /* init the bluetooth world */
4126 if (foreach_device_config(DEV_BT, bt_parse))
4127 exit(1);
4128
4129 if (!xen_enabled()) {
4130 /* On 32-bit hosts, QEMU is limited by virtual address space */
4131 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4132 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4133 exit(1);
4134 }
4135 }
4136
4137 blk_mig_init();
4138 ram_mig_init();
4139
4140 /* If the currently selected machine wishes to override the units-per-bus
4141 * property of its default HBA interface type, do so now. */
4142 if (machine_class->units_per_default_bus) {
4143 override_max_devs(machine_class->block_default_type,
4144 machine_class->units_per_default_bus);
4145 }
4146
4147 /* open the virtual block devices */
4148 if (snapshot)
4149 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4150 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4151 &machine_class->block_default_type, 1) != 0) {
4152 exit(1);
4153 }
4154
4155 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4156 CDROM_OPTS);
4157 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4158 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4159
4160 parse_numa_opts();
4161
4162 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4163 exit(1);
4164 }
4165
4166 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4167 exit(1);
4168 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4169 exit(1);
4170 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4171 exit(1);
4172 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4173 exit(1);
4174 }
4175 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4176 exit(1);
4177
4178 /* If no default VGA is requested, the default is "none". */
4179 if (default_vga) {
4180 if (machine_class->default_display) {
4181 vga_model = machine_class->default_display;
4182 } else if (cirrus_vga_available()) {
4183 vga_model = "cirrus";
4184 } else if (vga_available()) {
4185 vga_model = "std";
4186 }
4187 }
4188 if (vga_model) {
4189 select_vgahw(vga_model);
4190 }
4191
4192 if (watchdog) {
4193 i = select_watchdog(watchdog);
4194 if (i > 0)
4195 exit (i == 1 ? 1 : 0);
4196 }
4197
4198 if (machine_class->compat_props) {
4199 qdev_prop_register_global_list(machine_class->compat_props);
4200 }
4201 qemu_add_globals();
4202
4203 qdev_machine_init();
4204
4205 current_machine->ram_size = ram_size;
4206 current_machine->maxram_size = maxram_size;
4207 current_machine->ram_slots = ram_slots;
4208 current_machine->boot_order = boot_order;
4209 current_machine->cpu_model = cpu_model;
4210
4211 machine_class->init(current_machine);
4212
4213 realtime_init();
4214
4215 audio_init();
4216
4217 cpu_synchronize_all_post_init();
4218
4219 set_numa_modes();
4220
4221 /* init USB devices */
4222 if (usb_enabled()) {
4223 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4224 exit(1);
4225 }
4226
4227 /* init generic devices */
4228 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4229 exit(1);
4230
4231 /* Did we create any drives that we failed to create a device for? */
4232 drive_check_orphaned();
4233
4234 net_check_clients();
4235
4236 ds = init_displaystate();
4237
4238 /* init local displays */
4239 switch (display_type) {
4240 case DT_NOGRAPHIC:
4241 (void)ds; /* avoid warning if no display is configured */
4242 break;
4243 #if defined(CONFIG_CURSES)
4244 case DT_CURSES:
4245 curses_display_init(ds, full_screen);
4246 break;
4247 #endif
4248 #if defined(CONFIG_SDL)
4249 case DT_SDL:
4250 sdl_display_init(ds, full_screen, no_frame);
4251 break;
4252 #elif defined(CONFIG_COCOA)
4253 case DT_SDL:
4254 cocoa_display_init(ds, full_screen);
4255 break;
4256 #endif
4257 #if defined(CONFIG_GTK)
4258 case DT_GTK:
4259 gtk_display_init(ds, full_screen, grab_on_hover);
4260 break;
4261 #endif
4262 default:
4263 break;
4264 }
4265
4266 /* must be after terminal init, SDL library changes signal handlers */
4267 os_setup_signal_handling();
4268
4269 #ifdef CONFIG_VNC
4270 /* init remote displays */
4271 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4272 if (show_vnc_port) {
4273 printf("VNC server running on `%s'\n",
4274 vnc_display_local_addr("default"));
4275 }
4276 #endif
4277 #ifdef CONFIG_SPICE
4278 if (using_spice) {
4279 qemu_spice_display_init();
4280 }
4281 #endif
4282
4283 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4284 exit(1);
4285 }
4286
4287 qdev_machine_creation_done();
4288
4289 if (rom_load_all() != 0) {
4290 fprintf(stderr, "rom loading failed\n");
4291 exit(1);
4292 }
4293
4294 /* TODO: once all bus devices are qdevified, this should be done
4295 * when bus is created by qdev.c */
4296 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4297 qemu_run_machine_init_done_notifiers();
4298
4299 /* Done notifiers can load ROMs */
4300 rom_load_done();
4301
4302 qemu_system_reset(VMRESET_SILENT);
4303 if (loadvm) {
4304 if (load_vmstate(loadvm) < 0) {
4305 autostart = 0;
4306 }
4307 }
4308
4309 qdev_prop_check_globals();
4310 if (vmstate_dump_file) {
4311 /* dump and exit */
4312 dump_vmstate_json_to_file(vmstate_dump_file);
4313 return 0;
4314 }
4315
4316 if (incoming) {
4317 Error *local_err = NULL;
4318 qemu_start_incoming_migration(incoming, &local_err);
4319 if (local_err) {
4320 error_report("-incoming %s: %s", incoming,
4321 error_get_pretty(local_err));
4322 error_free(local_err);
4323 exit(1);
4324 }
4325 } else if (autostart) {
4326 vm_start();
4327 }
4328
4329 os_setup_post();
4330
4331 if (is_daemonized()) {
4332 if (!trace_init_backends(trace_events, trace_file)) {
4333 exit(1);
4334 }
4335 }
4336
4337 main_loop();
4338 bdrv_close_all();
4339 pause_all_vcpus();
4340 res_free();
4341 #ifdef CONFIG_TPM
4342 tpm_cleanup();
4343 #endif
4344
4345 return 0;
4346 }
CRIS target port of Qemu