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Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-02-18' into staging
[qemu.git] / vl.c
blob7e6e93c9f0985d049538611aedff0bcfa5a6e0ba
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 "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 int acpi_enabled = 1;
162 int no_hpet = 0;
163 int fd_bootchk = 1;
164 static int no_reboot;
165 int no_shutdown = 0;
166 int cursor_hide = 1;
167 int graphic_rotate = 0;
168 const char *watchdog;
169 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
170 int nb_option_roms;
171 int semihosting_enabled = 0;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 int nb_numa_nodes;
187 int max_numa_nodeid;
188 NodeInfo numa_info[MAX_NODES];
189
190 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 uint8_t qemu_uuid[16];
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205
206 static int has_defaults = 1;
207 static int default_serial = 1;
208 static int default_parallel = 1;
209 static int default_virtcon = 1;
210 static int default_sclp = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "ide-cd", .flag = &default_cdrom },
225 { .driver = "ide-hd", .flag = &default_cdrom },
226 { .driver = "ide-drive", .flag = &default_cdrom },
227 { .driver = "scsi-cd", .flag = &default_cdrom },
228 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
229 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_semihosting_config_opts = {
480 .name = "semihosting-config",
481 .implied_opt_name = "enable",
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
483 .desc = {
484 {
485 .name = "enable",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "target",
489 .type = QEMU_OPT_STRING,
490 },
491 { /* end of list */ }
492 },
493 };
494
495 /**
496 * Get machine options
497 *
498 * Returns: machine options (never null).
499 */
500 QemuOpts *qemu_get_machine_opts(void)
501 {
502 return qemu_find_opts_singleton("machine");
503 }
504
505 const char *qemu_get_vm_name(void)
506 {
507 return qemu_name;
508 }
509
510 static void res_free(void)
511 {
512 if (boot_splash_filedata != NULL) {
513 g_free(boot_splash_filedata);
514 boot_splash_filedata = NULL;
515 }
516 }
517
518 static int default_driver_check(QemuOpts *opts, void *opaque)
519 {
520 const char *driver = qemu_opt_get(opts, "driver");
521 int i;
522
523 if (!driver)
524 return 0;
525 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
526 if (strcmp(default_list[i].driver, driver) != 0)
527 continue;
528 *(default_list[i].flag) = 0;
529 }
530 return 0;
531 }
532
533 /***********************************************************/
534 /* QEMU state */
535
536 static RunState current_run_state = RUN_STATE_PRELAUNCH;
537
538 /* We use RUN_STATE_MAX but any invalid value will do */
539 static RunState vmstop_requested = RUN_STATE_MAX;
540 static QemuMutex vmstop_lock;
541
542 typedef struct {
543 RunState from;
544 RunState to;
545 } RunStateTransition;
546
547 static const RunStateTransition runstate_transitions_def[] = {
548 /* from -> to */
549 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
550 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
551
552 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
553 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
554
555 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
556 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
559 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
562 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
565 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
568 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
569 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
570
571 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
572 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
573
574 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
575
576 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
577 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
578 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
579 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
580 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
582 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
583 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
585 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
586
587 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
588
589 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
590 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
593 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
594 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
595 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
598 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
601 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_MAX, RUN_STATE_MAX },
604 };
605
606 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
607
608 bool runstate_check(RunState state)
609 {
610 return current_run_state == state;
611 }
612
613 static void runstate_init(void)
614 {
615 const RunStateTransition *p;
616
617 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
618 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
619 runstate_valid_transitions[p->from][p->to] = true;
620 }
621
622 qemu_mutex_init(&vmstop_lock);
623 }
624
625 /* This function will abort() on invalid state transitions */
626 void runstate_set(RunState new_state)
627 {
628 assert(new_state < RUN_STATE_MAX);
629
630 if (!runstate_valid_transitions[current_run_state][new_state]) {
631 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
632 RunState_lookup[current_run_state],
633 RunState_lookup[new_state]);
634 abort();
635 }
636 trace_runstate_set(new_state);
637 current_run_state = new_state;
638 }
639
640 int runstate_is_running(void)
641 {
642 return runstate_check(RUN_STATE_RUNNING);
643 }
644
645 bool runstate_needs_reset(void)
646 {
647 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
648 runstate_check(RUN_STATE_SHUTDOWN);
649 }
650
651 StatusInfo *qmp_query_status(Error **errp)
652 {
653 StatusInfo *info = g_malloc0(sizeof(*info));
654
655 info->running = runstate_is_running();
656 info->singlestep = singlestep;
657 info->status = current_run_state;
658
659 return info;
660 }
661
662 static bool qemu_vmstop_requested(RunState *r)
663 {
664 qemu_mutex_lock(&vmstop_lock);
665 *r = vmstop_requested;
666 vmstop_requested = RUN_STATE_MAX;
667 qemu_mutex_unlock(&vmstop_lock);
668 return *r < RUN_STATE_MAX;
669 }
670
671 void qemu_system_vmstop_request_prepare(void)
672 {
673 qemu_mutex_lock(&vmstop_lock);
674 }
675
676 void qemu_system_vmstop_request(RunState state)
677 {
678 vmstop_requested = state;
679 qemu_mutex_unlock(&vmstop_lock);
680 qemu_notify_event();
681 }
682
683 void vm_start(void)
684 {
685 RunState requested;
686
687 qemu_vmstop_requested(&requested);
688 if (runstate_is_running() && requested == RUN_STATE_MAX) {
689 return;
690 }
691
692 /* Ensure that a STOP/RESUME pair of events is emitted if a
693 * vmstop request was pending. The BLOCK_IO_ERROR event, for
694 * example, according to documentation is always followed by
695 * the STOP event.
696 */
697 if (runstate_is_running()) {
698 qapi_event_send_stop(&error_abort);
699 } else {
700 cpu_enable_ticks();
701 runstate_set(RUN_STATE_RUNNING);
702 vm_state_notify(1, RUN_STATE_RUNNING);
703 resume_all_vcpus();
704 }
705
706 qapi_event_send_resume(&error_abort);
707 }
708
709
710 /***********************************************************/
711 /* real time host monotonic timer */
712
713 /***********************************************************/
714 /* host time/date access */
715 void qemu_get_timedate(struct tm *tm, int offset)
716 {
717 time_t ti;
718
719 time(&ti);
720 ti += offset;
721 if (rtc_date_offset == -1) {
722 if (rtc_utc)
723 gmtime_r(&ti, tm);
724 else
725 localtime_r(&ti, tm);
726 } else {
727 ti -= rtc_date_offset;
728 gmtime_r(&ti, tm);
729 }
730 }
731
732 int qemu_timedate_diff(struct tm *tm)
733 {
734 time_t seconds;
735
736 if (rtc_date_offset == -1)
737 if (rtc_utc)
738 seconds = mktimegm(tm);
739 else {
740 struct tm tmp = *tm;
741 tmp.tm_isdst = -1; /* use timezone to figure it out */
742 seconds = mktime(&tmp);
743 }
744 else
745 seconds = mktimegm(tm) + rtc_date_offset;
746
747 return seconds - time(NULL);
748 }
749
750 static void configure_rtc_date_offset(const char *startdate, int legacy)
751 {
752 time_t rtc_start_date;
753 struct tm tm;
754
755 if (!strcmp(startdate, "now") && legacy) {
756 rtc_date_offset = -1;
757 } else {
758 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
759 &tm.tm_year,
760 &tm.tm_mon,
761 &tm.tm_mday,
762 &tm.tm_hour,
763 &tm.tm_min,
764 &tm.tm_sec) == 6) {
765 /* OK */
766 } else if (sscanf(startdate, "%d-%d-%d",
767 &tm.tm_year,
768 &tm.tm_mon,
769 &tm.tm_mday) == 3) {
770 tm.tm_hour = 0;
771 tm.tm_min = 0;
772 tm.tm_sec = 0;
773 } else {
774 goto date_fail;
775 }
776 tm.tm_year -= 1900;
777 tm.tm_mon--;
778 rtc_start_date = mktimegm(&tm);
779 if (rtc_start_date == -1) {
780 date_fail:
781 fprintf(stderr, "Invalid date format. Valid formats are:\n"
782 "'2006-06-17T16:01:21' or '2006-06-17'\n");
783 exit(1);
784 }
785 rtc_date_offset = time(NULL) - rtc_start_date;
786 }
787 }
788
789 static void configure_rtc(QemuOpts *opts)
790 {
791 const char *value;
792
793 value = qemu_opt_get(opts, "base");
794 if (value) {
795 if (!strcmp(value, "utc")) {
796 rtc_utc = 1;
797 } else if (!strcmp(value, "localtime")) {
798 rtc_utc = 0;
799 } else {
800 configure_rtc_date_offset(value, 0);
801 }
802 }
803 value = qemu_opt_get(opts, "clock");
804 if (value) {
805 if (!strcmp(value, "host")) {
806 rtc_clock = QEMU_CLOCK_HOST;
807 } else if (!strcmp(value, "rt")) {
808 rtc_clock = QEMU_CLOCK_REALTIME;
809 } else if (!strcmp(value, "vm")) {
810 rtc_clock = QEMU_CLOCK_VIRTUAL;
811 } else {
812 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
813 exit(1);
814 }
815 }
816 value = qemu_opt_get(opts, "driftfix");
817 if (value) {
818 if (!strcmp(value, "slew")) {
819 static GlobalProperty slew_lost_ticks[] = {
820 {
821 .driver = "mc146818rtc",
822 .property = "lost_tick_policy",
823 .value = "slew",
824 },
825 { /* end of list */ }
826 };
827
828 qdev_prop_register_global_list(slew_lost_ticks);
829 } else if (!strcmp(value, "none")) {
830 /* discard is default */
831 } else {
832 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
833 exit(1);
834 }
835 }
836 }
837
838 /***********************************************************/
839 /* Bluetooth support */
840 static int nb_hcis;
841 static int cur_hci;
842 static struct HCIInfo *hci_table[MAX_NICS];
843
844 struct HCIInfo *qemu_next_hci(void)
845 {
846 if (cur_hci == nb_hcis)
847 return &null_hci;
848
849 return hci_table[cur_hci++];
850 }
851
852 static int bt_hci_parse(const char *str)
853 {
854 struct HCIInfo *hci;
855 bdaddr_t bdaddr;
856
857 if (nb_hcis >= MAX_NICS) {
858 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
859 return -1;
860 }
861
862 hci = hci_init(str);
863 if (!hci)
864 return -1;
865
866 bdaddr.b[0] = 0x52;
867 bdaddr.b[1] = 0x54;
868 bdaddr.b[2] = 0x00;
869 bdaddr.b[3] = 0x12;
870 bdaddr.b[4] = 0x34;
871 bdaddr.b[5] = 0x56 + nb_hcis;
872 hci->bdaddr_set(hci, bdaddr.b);
873
874 hci_table[nb_hcis++] = hci;
875
876 return 0;
877 }
878
879 static void bt_vhci_add(int vlan_id)
880 {
881 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
882
883 if (!vlan->slave)
884 fprintf(stderr, "qemu: warning: adding a VHCI to "
885 "an empty scatternet %i\n", vlan_id);
886
887 bt_vhci_init(bt_new_hci(vlan));
888 }
889
890 static struct bt_device_s *bt_device_add(const char *opt)
891 {
892 struct bt_scatternet_s *vlan;
893 int vlan_id = 0;
894 char *endp = strstr(opt, ",vlan=");
895 int len = (endp ? endp - opt : strlen(opt)) + 1;
896 char devname[10];
897
898 pstrcpy(devname, MIN(sizeof(devname), len), opt);
899
900 if (endp) {
901 vlan_id = strtol(endp + 6, &endp, 0);
902 if (*endp) {
903 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
904 return 0;
905 }
906 }
907
908 vlan = qemu_find_bt_vlan(vlan_id);
909
910 if (!vlan->slave)
911 fprintf(stderr, "qemu: warning: adding a slave device to "
912 "an empty scatternet %i\n", vlan_id);
913
914 if (!strcmp(devname, "keyboard"))
915 return bt_keyboard_init(vlan);
916
917 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
918 return 0;
919 }
920
921 static int bt_parse(const char *opt)
922 {
923 const char *endp, *p;
924 int vlan;
925
926 if (strstart(opt, "hci", &endp)) {
927 if (!*endp || *endp == ',') {
928 if (*endp)
929 if (!strstart(endp, ",vlan=", 0))
930 opt = endp + 1;
931
932 return bt_hci_parse(opt);
933 }
934 } else if (strstart(opt, "vhci", &endp)) {
935 if (!*endp || *endp == ',') {
936 if (*endp) {
937 if (strstart(endp, ",vlan=", &p)) {
938 vlan = strtol(p, (char **) &endp, 0);
939 if (*endp) {
940 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
941 return 1;
942 }
943 } else {
944 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
945 return 1;
946 }
947 } else
948 vlan = 0;
949
950 bt_vhci_add(vlan);
951 return 0;
952 }
953 } else if (strstart(opt, "device:", &endp))
954 return !bt_device_add(endp);
955
956 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
957 return 1;
958 }
959
960 static int parse_sandbox(QemuOpts *opts, void *opaque)
961 {
962 /* FIXME: change this to true for 1.3 */
963 if (qemu_opt_get_bool(opts, "enable", false)) {
964 #ifdef CONFIG_SECCOMP
965 if (seccomp_start() < 0) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "failed to install seccomp syscall filter in the kernel");
968 return -1;
969 }
970 #else
971 qerror_report(ERROR_CLASS_GENERIC_ERROR,
972 "sandboxing request but seccomp is not compiled into this build");
973 return -1;
974 #endif
975 }
976
977 return 0;
978 }
979
980 static int parse_name(QemuOpts *opts, void *opaque)
981 {
982 const char *proc_name;
983
984 if (qemu_opt_get(opts, "debug-threads")) {
985 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
986 }
987 qemu_name = qemu_opt_get(opts, "guest");
988
989 proc_name = qemu_opt_get(opts, "process");
990 if (proc_name) {
991 os_set_proc_name(proc_name);
992 }
993
994 return 0;
995 }
996
997 bool defaults_enabled(void)
998 {
999 return has_defaults;
1000 }
1001
1002 bool usb_enabled(void)
1003 {
1004 return machine_usb(current_machine);
1005 }
1006
1007 #ifndef _WIN32
1008 static int parse_add_fd(QemuOpts *opts, void *opaque)
1009 {
1010 int fd, dupfd, flags;
1011 int64_t fdset_id;
1012 const char *fd_opaque = NULL;
1013
1014 fd = qemu_opt_get_number(opts, "fd", -1);
1015 fdset_id = qemu_opt_get_number(opts, "set", -1);
1016 fd_opaque = qemu_opt_get(opts, "opaque");
1017
1018 if (fd < 0) {
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "fd option is required and must be non-negative");
1021 return -1;
1022 }
1023
1024 if (fd <= STDERR_FILENO) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026 "fd cannot be a standard I/O stream");
1027 return -1;
1028 }
1029
1030 /*
1031 * All fds inherited across exec() necessarily have FD_CLOEXEC
1032 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1033 */
1034 flags = fcntl(fd, F_GETFD);
1035 if (flags == -1 || (flags & FD_CLOEXEC)) {
1036 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1037 "fd is not valid or already in use");
1038 return -1;
1039 }
1040
1041 if (fdset_id < 0) {
1042 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1043 "set option is required and must be non-negative");
1044 return -1;
1045 }
1046
1047 #ifdef F_DUPFD_CLOEXEC
1048 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1049 #else
1050 dupfd = dup(fd);
1051 if (dupfd != -1) {
1052 qemu_set_cloexec(dupfd);
1053 }
1054 #endif
1055 if (dupfd == -1) {
1056 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1057 "Error duplicating fd: %s", strerror(errno));
1058 return -1;
1059 }
1060
1061 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1062 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1063 fd_opaque, NULL);
1064
1065 return 0;
1066 }
1067
1068 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1069 {
1070 int fd;
1071
1072 fd = qemu_opt_get_number(opts, "fd", -1);
1073 close(fd);
1074
1075 return 0;
1076 }
1077 #endif
1078
1079 /***********************************************************/
1080 /* QEMU Block devices */
1081
1082 #define HD_OPTS "media=disk"
1083 #define CDROM_OPTS "media=cdrom"
1084 #define FD_OPTS ""
1085 #define PFLASH_OPTS ""
1086 #define MTD_OPTS ""
1087 #define SD_OPTS ""
1088
1089 static int drive_init_func(QemuOpts *opts, void *opaque)
1090 {
1091 BlockInterfaceType *block_default_type = opaque;
1092
1093 return drive_new(opts, *block_default_type) == NULL;
1094 }
1095
1096 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1097 {
1098 if (qemu_opt_get(opts, "snapshot") == NULL) {
1099 qemu_opt_set(opts, "snapshot", "on");
1100 }
1101 return 0;
1102 }
1103
1104 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1105 int index, const char *optstr)
1106 {
1107 QemuOpts *opts;
1108 DriveInfo *dinfo;
1109
1110 if (!enable || drive_get_by_index(type, index)) {
1111 return;
1112 }
1113
1114 opts = drive_add(type, index, NULL, optstr);
1115 if (snapshot) {
1116 drive_enable_snapshot(opts, NULL);
1117 }
1118
1119 dinfo = drive_new(opts, type);
1120 if (!dinfo) {
1121 exit(1);
1122 }
1123 dinfo->is_default = true;
1124
1125 }
1126
1127 static QemuOptsList qemu_smp_opts = {
1128 .name = "smp-opts",
1129 .implied_opt_name = "cpus",
1130 .merge_lists = true,
1131 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1132 .desc = {
1133 {
1134 .name = "cpus",
1135 .type = QEMU_OPT_NUMBER,
1136 }, {
1137 .name = "sockets",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "cores",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "threads",
1144 .type = QEMU_OPT_NUMBER,
1145 }, {
1146 .name = "maxcpus",
1147 .type = QEMU_OPT_NUMBER,
1148 },
1149 { /*End of list */ }
1150 },
1151 };
1152
1153 static void smp_parse(QemuOpts *opts)
1154 {
1155 if (opts) {
1156
1157 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1158 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1159 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1160 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1161
1162 /* compute missing values, prefer sockets over cores over threads */
1163 if (cpus == 0 || sockets == 0) {
1164 sockets = sockets > 0 ? sockets : 1;
1165 cores = cores > 0 ? cores : 1;
1166 threads = threads > 0 ? threads : 1;
1167 if (cpus == 0) {
1168 cpus = cores * threads * sockets;
1169 }
1170 } else if (cores == 0) {
1171 threads = threads > 0 ? threads : 1;
1172 cores = cpus / (sockets * threads);
1173 } else if (threads == 0) {
1174 threads = cpus / (cores * sockets);
1175 } else if (sockets * cores * threads < cpus) {
1176 fprintf(stderr, "cpu topology: error: "
1177 "sockets (%u) * cores (%u) * threads (%u) < "
1178 "smp_cpus (%u)\n",
1179 sockets, cores, threads, cpus);
1180 exit(1);
1181 }
1182
1183 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1184
1185 smp_cpus = cpus;
1186 smp_cores = cores > 0 ? cores : 1;
1187 smp_threads = threads > 0 ? threads : 1;
1188
1189 }
1190
1191 if (max_cpus == 0) {
1192 max_cpus = smp_cpus;
1193 }
1194
1195 if (max_cpus > MAX_CPUMASK_BITS) {
1196 fprintf(stderr, "Unsupported number of maxcpus\n");
1197 exit(1);
1198 }
1199 if (max_cpus < smp_cpus) {
1200 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1201 exit(1);
1202 }
1203
1204 }
1205
1206 static void realtime_init(void)
1207 {
1208 if (enable_mlock) {
1209 if (os_mlock() < 0) {
1210 fprintf(stderr, "qemu: locking memory failed\n");
1211 exit(1);
1212 }
1213 }
1214 }
1215
1216
1217 static void configure_msg(QemuOpts *opts)
1218 {
1219 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1220 }
1221
1222 /***********************************************************/
1223 /* USB devices */
1224
1225 static int usb_device_add(const char *devname)
1226 {
1227 USBDevice *dev = NULL;
1228 #ifndef CONFIG_LINUX
1229 const char *p;
1230 #endif
1231
1232 if (!usb_enabled()) {
1233 return -1;
1234 }
1235
1236 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1237 dev = usbdevice_create(devname);
1238 if (dev)
1239 goto done;
1240
1241 /* the other ones */
1242 #ifndef CONFIG_LINUX
1243 /* only the linux version is qdev-ified, usb-bsd still needs this */
1244 if (strstart(devname, "host:", &p)) {
1245 dev = usb_host_device_open(usb_bus_find(-1), p);
1246 }
1247 #endif
1248 if (!dev)
1249 return -1;
1250
1251 done:
1252 return 0;
1253 }
1254
1255 static int usb_device_del(const char *devname)
1256 {
1257 int bus_num, addr;
1258 const char *p;
1259
1260 if (strstart(devname, "host:", &p)) {
1261 return -1;
1262 }
1263
1264 if (!usb_enabled()) {
1265 return -1;
1266 }
1267
1268 p = strchr(devname, '.');
1269 if (!p)
1270 return -1;
1271 bus_num = strtoul(devname, NULL, 0);
1272 addr = strtoul(p + 1, NULL, 0);
1273
1274 return usb_device_delete_addr(bus_num, addr);
1275 }
1276
1277 static int usb_parse(const char *cmdline)
1278 {
1279 int r;
1280 r = usb_device_add(cmdline);
1281 if (r < 0) {
1282 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1283 }
1284 return r;
1285 }
1286
1287 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1288 {
1289 const char *devname = qdict_get_str(qdict, "devname");
1290 if (usb_device_add(devname) < 0) {
1291 error_report("could not add USB device '%s'", devname);
1292 }
1293 }
1294
1295 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1296 {
1297 const char *devname = qdict_get_str(qdict, "devname");
1298 if (usb_device_del(devname) < 0) {
1299 error_report("could not delete USB device '%s'", devname);
1300 }
1301 }
1302
1303 /***********************************************************/
1304 /* machine registration */
1305
1306 MachineState *current_machine;
1307
1308 static void machine_class_init(ObjectClass *oc, void *data)
1309 {
1310 MachineClass *mc = MACHINE_CLASS(oc);
1311 QEMUMachine *qm = data;
1312
1313 mc->family = qm->family;
1314 mc->name = qm->name;
1315 mc->alias = qm->alias;
1316 mc->desc = qm->desc;
1317 mc->init = qm->init;
1318 mc->reset = qm->reset;
1319 mc->hot_add_cpu = qm->hot_add_cpu;
1320 mc->kvm_type = qm->kvm_type;
1321 mc->block_default_type = qm->block_default_type;
1322 mc->units_per_default_bus = qm->units_per_default_bus;
1323 mc->max_cpus = qm->max_cpus;
1324 mc->no_serial = qm->no_serial;
1325 mc->no_parallel = qm->no_parallel;
1326 mc->use_virtcon = qm->use_virtcon;
1327 mc->use_sclp = qm->use_sclp;
1328 mc->no_floppy = qm->no_floppy;
1329 mc->no_cdrom = qm->no_cdrom;
1330 mc->no_sdcard = qm->no_sdcard;
1331 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1332 mc->is_default = qm->is_default;
1333 mc->default_machine_opts = qm->default_machine_opts;
1334 mc->default_boot_order = qm->default_boot_order;
1335 mc->default_display = qm->default_display;
1336 mc->compat_props = qm->compat_props;
1337 mc->hw_version = qm->hw_version;
1338 }
1339
1340 int qemu_register_machine(QEMUMachine *m)
1341 {
1342 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1343 TypeInfo ti = {
1344 .name = name,
1345 .parent = TYPE_MACHINE,
1346 .class_init = machine_class_init,
1347 .class_data = (void *)m,
1348 };
1349
1350 type_register(&ti);
1351 g_free(name);
1352
1353 return 0;
1354 }
1355
1356 static MachineClass *find_machine(const char *name)
1357 {
1358 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1359 MachineClass *mc = NULL;
1360
1361 for (el = machines; el; el = el->next) {
1362 MachineClass *temp = el->data;
1363
1364 if (!strcmp(temp->name, name)) {
1365 mc = temp;
1366 break;
1367 }
1368 if (temp->alias &&
1369 !strcmp(temp->alias, name)) {
1370 mc = temp;
1371 break;
1372 }
1373 }
1374
1375 g_slist_free(machines);
1376 return mc;
1377 }
1378
1379 MachineClass *find_default_machine(void)
1380 {
1381 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1382 MachineClass *mc = NULL;
1383
1384 for (el = machines; el; el = el->next) {
1385 MachineClass *temp = el->data;
1386
1387 if (temp->is_default) {
1388 mc = temp;
1389 break;
1390 }
1391 }
1392
1393 g_slist_free(machines);
1394 return mc;
1395 }
1396
1397 MachineInfoList *qmp_query_machines(Error **errp)
1398 {
1399 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1400 MachineInfoList *mach_list = NULL;
1401
1402 for (el = machines; el; el = el->next) {
1403 MachineClass *mc = el->data;
1404 MachineInfoList *entry;
1405 MachineInfo *info;
1406
1407 info = g_malloc0(sizeof(*info));
1408 if (mc->is_default) {
1409 info->has_is_default = true;
1410 info->is_default = true;
1411 }
1412
1413 if (mc->alias) {
1414 info->has_alias = true;
1415 info->alias = g_strdup(mc->alias);
1416 }
1417
1418 info->name = g_strdup(mc->name);
1419 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1420
1421 entry = g_malloc0(sizeof(*entry));
1422 entry->value = info;
1423 entry->next = mach_list;
1424 mach_list = entry;
1425 }
1426
1427 g_slist_free(machines);
1428 return mach_list;
1429 }
1430
1431 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1432 {
1433 ObjectProperty *prop;
1434
1435 if (!qemu_opt_has_help_opt(opts)) {
1436 return 0;
1437 }
1438
1439 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1440 if (!prop->set) {
1441 continue;
1442 }
1443
1444 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1445 prop->name, prop->type);
1446 if (prop->description) {
1447 error_printf(" (%s)\n", prop->description);
1448 } else {
1449 error_printf("\n");
1450 }
1451 }
1452
1453 return 1;
1454 }
1455
1456 /***********************************************************/
1457 /* main execution loop */
1458
1459 struct vm_change_state_entry {
1460 VMChangeStateHandler *cb;
1461 void *opaque;
1462 QLIST_ENTRY (vm_change_state_entry) entries;
1463 };
1464
1465 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1466
1467 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1468 void *opaque)
1469 {
1470 VMChangeStateEntry *e;
1471
1472 e = g_malloc0(sizeof (*e));
1473
1474 e->cb = cb;
1475 e->opaque = opaque;
1476 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1477 return e;
1478 }
1479
1480 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1481 {
1482 QLIST_REMOVE (e, entries);
1483 g_free (e);
1484 }
1485
1486 void vm_state_notify(int running, RunState state)
1487 {
1488 VMChangeStateEntry *e, *next;
1489
1490 trace_vm_state_notify(running, state);
1491
1492 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1493 e->cb(e->opaque, running, state);
1494 }
1495 }
1496
1497 /* reset/shutdown handler */
1498
1499 typedef struct QEMUResetEntry {
1500 QTAILQ_ENTRY(QEMUResetEntry) entry;
1501 QEMUResetHandler *func;
1502 void *opaque;
1503 } QEMUResetEntry;
1504
1505 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1506 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1507 static int reset_requested;
1508 static int shutdown_requested, shutdown_signal = -1;
1509 static pid_t shutdown_pid;
1510 static int powerdown_requested;
1511 static int debug_requested;
1512 static int suspend_requested;
1513 static WakeupReason wakeup_reason;
1514 static NotifierList powerdown_notifiers =
1515 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1516 static NotifierList suspend_notifiers =
1517 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1518 static NotifierList wakeup_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1520 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1521
1522 int qemu_shutdown_requested_get(void)
1523 {
1524 return shutdown_requested;
1525 }
1526
1527 int qemu_reset_requested_get(void)
1528 {
1529 return reset_requested;
1530 }
1531
1532 static int qemu_shutdown_requested(void)
1533 {
1534 return atomic_xchg(&shutdown_requested, 0);
1535 }
1536
1537 static void qemu_kill_report(void)
1538 {
1539 if (!qtest_driver() && shutdown_signal != -1) {
1540 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1541 if (shutdown_pid == 0) {
1542 /* This happens for eg ^C at the terminal, so it's worth
1543 * avoiding printing an odd message in that case.
1544 */
1545 fputc('\n', stderr);
1546 } else {
1547 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1548 }
1549 shutdown_signal = -1;
1550 }
1551 }
1552
1553 static int qemu_reset_requested(void)
1554 {
1555 int r = reset_requested;
1556 reset_requested = 0;
1557 return r;
1558 }
1559
1560 static int qemu_suspend_requested(void)
1561 {
1562 int r = suspend_requested;
1563 suspend_requested = 0;
1564 return r;
1565 }
1566
1567 static WakeupReason qemu_wakeup_requested(void)
1568 {
1569 return wakeup_reason;
1570 }
1571
1572 static int qemu_powerdown_requested(void)
1573 {
1574 int r = powerdown_requested;
1575 powerdown_requested = 0;
1576 return r;
1577 }
1578
1579 static int qemu_debug_requested(void)
1580 {
1581 int r = debug_requested;
1582 debug_requested = 0;
1583 return r;
1584 }
1585
1586 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1587 {
1588 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1589
1590 re->func = func;
1591 re->opaque = opaque;
1592 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1593 }
1594
1595 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1596 {
1597 QEMUResetEntry *re;
1598
1599 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1600 if (re->func == func && re->opaque == opaque) {
1601 QTAILQ_REMOVE(&reset_handlers, re, entry);
1602 g_free(re);
1603 return;
1604 }
1605 }
1606 }
1607
1608 void qemu_devices_reset(void)
1609 {
1610 QEMUResetEntry *re, *nre;
1611
1612 /* reset all devices */
1613 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1614 re->func(re->opaque);
1615 }
1616 }
1617
1618 void qemu_system_reset(bool report)
1619 {
1620 MachineClass *mc;
1621
1622 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1623
1624 if (mc && mc->reset) {
1625 mc->reset();
1626 } else {
1627 qemu_devices_reset();
1628 }
1629 if (report) {
1630 qapi_event_send_reset(&error_abort);
1631 }
1632 cpu_synchronize_all_post_reset();
1633 }
1634
1635 void qemu_system_reset_request(void)
1636 {
1637 if (no_reboot) {
1638 shutdown_requested = 1;
1639 } else {
1640 reset_requested = 1;
1641 }
1642 cpu_stop_current();
1643 qemu_notify_event();
1644 }
1645
1646 static void qemu_system_suspend(void)
1647 {
1648 pause_all_vcpus();
1649 notifier_list_notify(&suspend_notifiers, NULL);
1650 runstate_set(RUN_STATE_SUSPENDED);
1651 qapi_event_send_suspend(&error_abort);
1652 }
1653
1654 void qemu_system_suspend_request(void)
1655 {
1656 if (runstate_check(RUN_STATE_SUSPENDED)) {
1657 return;
1658 }
1659 suspend_requested = 1;
1660 cpu_stop_current();
1661 qemu_notify_event();
1662 }
1663
1664 void qemu_register_suspend_notifier(Notifier *notifier)
1665 {
1666 notifier_list_add(&suspend_notifiers, notifier);
1667 }
1668
1669 void qemu_system_wakeup_request(WakeupReason reason)
1670 {
1671 trace_system_wakeup_request(reason);
1672
1673 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1674 return;
1675 }
1676 if (!(wakeup_reason_mask & (1 << reason))) {
1677 return;
1678 }
1679 runstate_set(RUN_STATE_RUNNING);
1680 wakeup_reason = reason;
1681 qemu_notify_event();
1682 }
1683
1684 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1685 {
1686 if (enabled) {
1687 wakeup_reason_mask |= (1 << reason);
1688 } else {
1689 wakeup_reason_mask &= ~(1 << reason);
1690 }
1691 }
1692
1693 void qemu_register_wakeup_notifier(Notifier *notifier)
1694 {
1695 notifier_list_add(&wakeup_notifiers, notifier);
1696 }
1697
1698 void qemu_system_killed(int signal, pid_t pid)
1699 {
1700 shutdown_signal = signal;
1701 shutdown_pid = pid;
1702 no_shutdown = 0;
1703 qemu_system_shutdown_request();
1704 }
1705
1706 void qemu_system_shutdown_request(void)
1707 {
1708 trace_qemu_system_shutdown_request();
1709 shutdown_requested = 1;
1710 qemu_notify_event();
1711 }
1712
1713 static void qemu_system_powerdown(void)
1714 {
1715 qapi_event_send_powerdown(&error_abort);
1716 notifier_list_notify(&powerdown_notifiers, NULL);
1717 }
1718
1719 void qemu_system_powerdown_request(void)
1720 {
1721 trace_qemu_system_powerdown_request();
1722 powerdown_requested = 1;
1723 qemu_notify_event();
1724 }
1725
1726 void qemu_register_powerdown_notifier(Notifier *notifier)
1727 {
1728 notifier_list_add(&powerdown_notifiers, notifier);
1729 }
1730
1731 void qemu_system_debug_request(void)
1732 {
1733 debug_requested = 1;
1734 qemu_notify_event();
1735 }
1736
1737 static bool main_loop_should_exit(void)
1738 {
1739 RunState r;
1740 if (qemu_debug_requested()) {
1741 vm_stop(RUN_STATE_DEBUG);
1742 }
1743 if (qemu_suspend_requested()) {
1744 qemu_system_suspend();
1745 }
1746 if (qemu_shutdown_requested()) {
1747 qemu_kill_report();
1748 qapi_event_send_shutdown(&error_abort);
1749 if (no_shutdown) {
1750 vm_stop(RUN_STATE_SHUTDOWN);
1751 } else {
1752 return true;
1753 }
1754 }
1755 if (qemu_reset_requested()) {
1756 pause_all_vcpus();
1757 cpu_synchronize_all_states();
1758 qemu_system_reset(VMRESET_REPORT);
1759 resume_all_vcpus();
1760 if (runstate_needs_reset()) {
1761 runstate_set(RUN_STATE_PAUSED);
1762 }
1763 }
1764 if (qemu_wakeup_requested()) {
1765 pause_all_vcpus();
1766 cpu_synchronize_all_states();
1767 qemu_system_reset(VMRESET_SILENT);
1768 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1769 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1770 resume_all_vcpus();
1771 qapi_event_send_wakeup(&error_abort);
1772 }
1773 if (qemu_powerdown_requested()) {
1774 qemu_system_powerdown();
1775 }
1776 if (qemu_vmstop_requested(&r)) {
1777 vm_stop(r);
1778 }
1779 return false;
1780 }
1781
1782 static void main_loop(void)
1783 {
1784 bool nonblocking;
1785 int last_io = 0;
1786 #ifdef CONFIG_PROFILER
1787 int64_t ti;
1788 #endif
1789 do {
1790 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1791 #ifdef CONFIG_PROFILER
1792 ti = profile_getclock();
1793 #endif
1794 last_io = main_loop_wait(nonblocking);
1795 #ifdef CONFIG_PROFILER
1796 dev_time += profile_getclock() - ti;
1797 #endif
1798 } while (!main_loop_should_exit());
1799 }
1800
1801 static void version(void)
1802 {
1803 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1804 }
1805
1806 static void help(int exitcode)
1807 {
1808 version();
1809 printf("usage: %s [options] [disk_image]\n\n"
1810 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1811 error_get_progname());
1812
1813 #define QEMU_OPTIONS_GENERATE_HELP
1814 #include "qemu-options-wrapper.h"
1815
1816 printf("\nDuring emulation, the following keys are useful:\n"
1817 "ctrl-alt-f toggle full screen\n"
1818 "ctrl-alt-n switch to virtual console 'n'\n"
1819 "ctrl-alt toggle mouse and keyboard grab\n"
1820 "\n"
1821 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1822
1823 exit(exitcode);
1824 }
1825
1826 #define HAS_ARG 0x0001
1827
1828 typedef struct QEMUOption {
1829 const char *name;
1830 int flags;
1831 int index;
1832 uint32_t arch_mask;
1833 } QEMUOption;
1834
1835 static const QEMUOption qemu_options[] = {
1836 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1837 #define QEMU_OPTIONS_GENERATE_OPTIONS
1838 #include "qemu-options-wrapper.h"
1839 { NULL },
1840 };
1841
1842 static bool vga_available(void)
1843 {
1844 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1845 }
1846
1847 static bool cirrus_vga_available(void)
1848 {
1849 return object_class_by_name("cirrus-vga")
1850 || object_class_by_name("isa-cirrus-vga");
1851 }
1852
1853 static bool vmware_vga_available(void)
1854 {
1855 return object_class_by_name("vmware-svga");
1856 }
1857
1858 static bool qxl_vga_available(void)
1859 {
1860 return object_class_by_name("qxl-vga");
1861 }
1862
1863 static bool tcx_vga_available(void)
1864 {
1865 return object_class_by_name("SUNW,tcx");
1866 }
1867
1868 static bool cg3_vga_available(void)
1869 {
1870 return object_class_by_name("cgthree");
1871 }
1872
1873 static void select_vgahw (const char *p)
1874 {
1875 const char *opts;
1876
1877 assert(vga_interface_type == VGA_NONE);
1878 if (strstart(p, "std", &opts)) {
1879 if (vga_available()) {
1880 vga_interface_type = VGA_STD;
1881 } else {
1882 fprintf(stderr, "Error: standard VGA not available\n");
1883 exit(0);
1884 }
1885 } else if (strstart(p, "cirrus", &opts)) {
1886 if (cirrus_vga_available()) {
1887 vga_interface_type = VGA_CIRRUS;
1888 } else {
1889 fprintf(stderr, "Error: Cirrus VGA not available\n");
1890 exit(0);
1891 }
1892 } else if (strstart(p, "vmware", &opts)) {
1893 if (vmware_vga_available()) {
1894 vga_interface_type = VGA_VMWARE;
1895 } else {
1896 fprintf(stderr, "Error: VMWare SVGA not available\n");
1897 exit(0);
1898 }
1899 } else if (strstart(p, "xenfb", &opts)) {
1900 vga_interface_type = VGA_XENFB;
1901 } else if (strstart(p, "qxl", &opts)) {
1902 if (qxl_vga_available()) {
1903 vga_interface_type = VGA_QXL;
1904 } else {
1905 fprintf(stderr, "Error: QXL VGA not available\n");
1906 exit(0);
1907 }
1908 } else if (strstart(p, "tcx", &opts)) {
1909 if (tcx_vga_available()) {
1910 vga_interface_type = VGA_TCX;
1911 } else {
1912 fprintf(stderr, "Error: TCX framebuffer not available\n");
1913 exit(0);
1914 }
1915 } else if (strstart(p, "cg3", &opts)) {
1916 if (cg3_vga_available()) {
1917 vga_interface_type = VGA_CG3;
1918 } else {
1919 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1920 exit(0);
1921 }
1922 } else if (!strstart(p, "none", &opts)) {
1923 invalid_vga:
1924 fprintf(stderr, "Unknown vga type: %s\n", p);
1925 exit(1);
1926 }
1927 while (*opts) {
1928 const char *nextopt;
1929
1930 if (strstart(opts, ",retrace=", &nextopt)) {
1931 opts = nextopt;
1932 if (strstart(opts, "dumb", &nextopt))
1933 vga_retrace_method = VGA_RETRACE_DUMB;
1934 else if (strstart(opts, "precise", &nextopt))
1935 vga_retrace_method = VGA_RETRACE_PRECISE;
1936 else goto invalid_vga;
1937 } else goto invalid_vga;
1938 opts = nextopt;
1939 }
1940 }
1941
1942 static DisplayType select_display(const char *p)
1943 {
1944 const char *opts;
1945 DisplayType display = DT_DEFAULT;
1946
1947 if (strstart(p, "sdl", &opts)) {
1948 #ifdef CONFIG_SDL
1949 display = DT_SDL;
1950 while (*opts) {
1951 const char *nextopt;
1952
1953 if (strstart(opts, ",frame=", &nextopt)) {
1954 opts = nextopt;
1955 if (strstart(opts, "on", &nextopt)) {
1956 no_frame = 0;
1957 } else if (strstart(opts, "off", &nextopt)) {
1958 no_frame = 1;
1959 } else {
1960 goto invalid_sdl_args;
1961 }
1962 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1963 opts = nextopt;
1964 if (strstart(opts, "on", &nextopt)) {
1965 alt_grab = 1;
1966 } else if (strstart(opts, "off", &nextopt)) {
1967 alt_grab = 0;
1968 } else {
1969 goto invalid_sdl_args;
1970 }
1971 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1972 opts = nextopt;
1973 if (strstart(opts, "on", &nextopt)) {
1974 ctrl_grab = 1;
1975 } else if (strstart(opts, "off", &nextopt)) {
1976 ctrl_grab = 0;
1977 } else {
1978 goto invalid_sdl_args;
1979 }
1980 } else if (strstart(opts, ",window_close=", &nextopt)) {
1981 opts = nextopt;
1982 if (strstart(opts, "on", &nextopt)) {
1983 no_quit = 0;
1984 } else if (strstart(opts, "off", &nextopt)) {
1985 no_quit = 1;
1986 } else {
1987 goto invalid_sdl_args;
1988 }
1989 } else {
1990 invalid_sdl_args:
1991 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1992 exit(1);
1993 }
1994 opts = nextopt;
1995 }
1996 #else
1997 fprintf(stderr, "SDL support is disabled\n");
1998 exit(1);
1999 #endif
2000 } else if (strstart(p, "vnc", &opts)) {
2001 #ifdef CONFIG_VNC
2002 if (*opts == '=') {
2003 display_remote++;
2004 if (vnc_parse_func(opts+1) == NULL) {
2005 exit(1);
2006 }
2007 } else {
2008 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2009 exit(1);
2010 }
2011 #else
2012 fprintf(stderr, "VNC support is disabled\n");
2013 exit(1);
2014 #endif
2015 } else if (strstart(p, "curses", &opts)) {
2016 #ifdef CONFIG_CURSES
2017 display = DT_CURSES;
2018 #else
2019 fprintf(stderr, "Curses support is disabled\n");
2020 exit(1);
2021 #endif
2022 } else if (strstart(p, "gtk", &opts)) {
2023 #ifdef CONFIG_GTK
2024 display = DT_GTK;
2025 while (*opts) {
2026 const char *nextopt;
2027
2028 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2029 opts = nextopt;
2030 if (strstart(opts, "on", &nextopt)) {
2031 grab_on_hover = true;
2032 } else if (strstart(opts, "off", &nextopt)) {
2033 grab_on_hover = false;
2034 } else {
2035 goto invalid_gtk_args;
2036 }
2037 } else {
2038 invalid_gtk_args:
2039 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2040 exit(1);
2041 }
2042 opts = nextopt;
2043 }
2044 #else
2045 fprintf(stderr, "GTK support is disabled\n");
2046 exit(1);
2047 #endif
2048 } else if (strstart(p, "none", &opts)) {
2049 display = DT_NONE;
2050 } else {
2051 fprintf(stderr, "Unknown display type: %s\n", p);
2052 exit(1);
2053 }
2054
2055 return display;
2056 }
2057
2058 static int balloon_parse(const char *arg)
2059 {
2060 QemuOpts *opts;
2061
2062 if (strcmp(arg, "none") == 0) {
2063 return 0;
2064 }
2065
2066 if (!strncmp(arg, "virtio", 6)) {
2067 if (arg[6] == ',') {
2068 /* have params -> parse them */
2069 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2070 if (!opts)
2071 return -1;
2072 } else {
2073 /* create empty opts */
2074 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2075 &error_abort);
2076 }
2077 qemu_opt_set(opts, "driver", "virtio-balloon");
2078 return 0;
2079 }
2080
2081 return -1;
2082 }
2083
2084 char *qemu_find_file(int type, const char *name)
2085 {
2086 int i;
2087 const char *subdir;
2088 char *buf;
2089
2090 /* Try the name as a straight path first */
2091 if (access(name, R_OK) == 0) {
2092 trace_load_file(name, name);
2093 return g_strdup(name);
2094 }
2095
2096 switch (type) {
2097 case QEMU_FILE_TYPE_BIOS:
2098 subdir = "";
2099 break;
2100 case QEMU_FILE_TYPE_KEYMAP:
2101 subdir = "keymaps/";
2102 break;
2103 default:
2104 abort();
2105 }
2106
2107 for (i = 0; i < data_dir_idx; i++) {
2108 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2109 if (access(buf, R_OK) == 0) {
2110 trace_load_file(name, buf);
2111 return buf;
2112 }
2113 g_free(buf);
2114 }
2115 return NULL;
2116 }
2117
2118 static int device_help_func(QemuOpts *opts, void *opaque)
2119 {
2120 return qdev_device_help(opts);
2121 }
2122
2123 static int device_init_func(QemuOpts *opts, void *opaque)
2124 {
2125 DeviceState *dev;
2126
2127 dev = qdev_device_add(opts);
2128 if (!dev)
2129 return -1;
2130 object_unref(OBJECT(dev));
2131 return 0;
2132 }
2133
2134 static int chardev_init_func(QemuOpts *opts, void *opaque)
2135 {
2136 Error *local_err = NULL;
2137
2138 qemu_chr_new_from_opts(opts, NULL, &local_err);
2139 if (local_err) {
2140 error_report("%s", error_get_pretty(local_err));
2141 error_free(local_err);
2142 return -1;
2143 }
2144 return 0;
2145 }
2146
2147 #ifdef CONFIG_VIRTFS
2148 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2149 {
2150 int ret;
2151 ret = qemu_fsdev_add(opts);
2152
2153 return ret;
2154 }
2155 #endif
2156
2157 static int mon_init_func(QemuOpts *opts, void *opaque)
2158 {
2159 CharDriverState *chr;
2160 const char *chardev;
2161 const char *mode;
2162 int flags;
2163
2164 mode = qemu_opt_get(opts, "mode");
2165 if (mode == NULL) {
2166 mode = "readline";
2167 }
2168 if (strcmp(mode, "readline") == 0) {
2169 flags = MONITOR_USE_READLINE;
2170 } else if (strcmp(mode, "control") == 0) {
2171 flags = MONITOR_USE_CONTROL;
2172 } else {
2173 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2174 exit(1);
2175 }
2176
2177 if (qemu_opt_get_bool(opts, "pretty", 0))
2178 flags |= MONITOR_USE_PRETTY;
2179
2180 if (qemu_opt_get_bool(opts, "default", 0))
2181 flags |= MONITOR_IS_DEFAULT;
2182
2183 chardev = qemu_opt_get(opts, "chardev");
2184 chr = qemu_chr_find(chardev);
2185 if (chr == NULL) {
2186 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2187 exit(1);
2188 }
2189
2190 qemu_chr_fe_claim_no_fail(chr);
2191 monitor_init(chr, flags);
2192 return 0;
2193 }
2194
2195 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2196 {
2197 static int monitor_device_index = 0;
2198 Error *local_err = NULL;
2199 QemuOpts *opts;
2200 const char *p;
2201 char label[32];
2202 int def = 0;
2203
2204 if (strstart(optarg, "chardev:", &p)) {
2205 snprintf(label, sizeof(label), "%s", p);
2206 } else {
2207 snprintf(label, sizeof(label), "compat_monitor%d",
2208 monitor_device_index);
2209 if (monitor_device_index == 0) {
2210 def = 1;
2211 }
2212 opts = qemu_chr_parse_compat(label, optarg);
2213 if (!opts) {
2214 fprintf(stderr, "parse error: %s\n", optarg);
2215 exit(1);
2216 }
2217 }
2218
2219 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2220 if (!opts) {
2221 error_report("%s", error_get_pretty(local_err));
2222 error_free(local_err);
2223 exit(1);
2224 }
2225 qemu_opt_set(opts, "mode", mode);
2226 qemu_opt_set(opts, "chardev", label);
2227 qemu_opt_set_bool(opts, "pretty", pretty);
2228 if (def)
2229 qemu_opt_set(opts, "default", "on");
2230 monitor_device_index++;
2231 }
2232
2233 struct device_config {
2234 enum {
2235 DEV_USB, /* -usbdevice */
2236 DEV_BT, /* -bt */
2237 DEV_SERIAL, /* -serial */
2238 DEV_PARALLEL, /* -parallel */
2239 DEV_VIRTCON, /* -virtioconsole */
2240 DEV_DEBUGCON, /* -debugcon */
2241 DEV_GDB, /* -gdb, -s */
2242 DEV_SCLP, /* s390 sclp */
2243 } type;
2244 const char *cmdline;
2245 Location loc;
2246 QTAILQ_ENTRY(device_config) next;
2247 };
2248
2249 static QTAILQ_HEAD(, device_config) device_configs =
2250 QTAILQ_HEAD_INITIALIZER(device_configs);
2251
2252 static void add_device_config(int type, const char *cmdline)
2253 {
2254 struct device_config *conf;
2255
2256 conf = g_malloc0(sizeof(*conf));
2257 conf->type = type;
2258 conf->cmdline = cmdline;
2259 loc_save(&conf->loc);
2260 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2261 }
2262
2263 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2264 {
2265 struct device_config *conf;
2266 int rc;
2267
2268 QTAILQ_FOREACH(conf, &device_configs, next) {
2269 if (conf->type != type)
2270 continue;
2271 loc_push_restore(&conf->loc);
2272 rc = func(conf->cmdline);
2273 loc_pop(&conf->loc);
2274 if (rc) {
2275 return rc;
2276 }
2277 }
2278 return 0;
2279 }
2280
2281 static int serial_parse(const char *devname)
2282 {
2283 static int index = 0;
2284 char label[32];
2285
2286 if (strcmp(devname, "none") == 0)
2287 return 0;
2288 if (index == MAX_SERIAL_PORTS) {
2289 fprintf(stderr, "qemu: too many serial ports\n");
2290 exit(1);
2291 }
2292 snprintf(label, sizeof(label), "serial%d", index);
2293 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2294 if (!serial_hds[index]) {
2295 fprintf(stderr, "qemu: could not connect serial device"
2296 " to character backend '%s'\n", devname);
2297 return -1;
2298 }
2299 index++;
2300 return 0;
2301 }
2302
2303 static int parallel_parse(const char *devname)
2304 {
2305 static int index = 0;
2306 char label[32];
2307
2308 if (strcmp(devname, "none") == 0)
2309 return 0;
2310 if (index == MAX_PARALLEL_PORTS) {
2311 fprintf(stderr, "qemu: too many parallel ports\n");
2312 exit(1);
2313 }
2314 snprintf(label, sizeof(label), "parallel%d", index);
2315 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2316 if (!parallel_hds[index]) {
2317 fprintf(stderr, "qemu: could not connect parallel device"
2318 " to character backend '%s'\n", devname);
2319 return -1;
2320 }
2321 index++;
2322 return 0;
2323 }
2324
2325 static int virtcon_parse(const char *devname)
2326 {
2327 QemuOptsList *device = qemu_find_opts("device");
2328 static int index = 0;
2329 char label[32];
2330 QemuOpts *bus_opts, *dev_opts;
2331
2332 if (strcmp(devname, "none") == 0)
2333 return 0;
2334 if (index == MAX_VIRTIO_CONSOLES) {
2335 fprintf(stderr, "qemu: too many virtio consoles\n");
2336 exit(1);
2337 }
2338
2339 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2340 if (arch_type == QEMU_ARCH_S390X) {
2341 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2342 } else {
2343 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2344 }
2345
2346 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2347 qemu_opt_set(dev_opts, "driver", "virtconsole");
2348
2349 snprintf(label, sizeof(label), "virtcon%d", index);
2350 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2351 if (!virtcon_hds[index]) {
2352 fprintf(stderr, "qemu: could not connect virtio console"
2353 " to character backend '%s'\n", devname);
2354 return -1;
2355 }
2356 qemu_opt_set(dev_opts, "chardev", label);
2357
2358 index++;
2359 return 0;
2360 }
2361
2362 static int sclp_parse(const char *devname)
2363 {
2364 QemuOptsList *device = qemu_find_opts("device");
2365 static int index = 0;
2366 char label[32];
2367 QemuOpts *dev_opts;
2368
2369 if (strcmp(devname, "none") == 0) {
2370 return 0;
2371 }
2372 if (index == MAX_SCLP_CONSOLES) {
2373 fprintf(stderr, "qemu: too many sclp consoles\n");
2374 exit(1);
2375 }
2376
2377 assert(arch_type == QEMU_ARCH_S390X);
2378
2379 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2380 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2381
2382 snprintf(label, sizeof(label), "sclpcon%d", index);
2383 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2384 if (!sclp_hds[index]) {
2385 fprintf(stderr, "qemu: could not connect sclp console"
2386 " to character backend '%s'\n", devname);
2387 return -1;
2388 }
2389 qemu_opt_set(dev_opts, "chardev", label);
2390
2391 index++;
2392 return 0;
2393 }
2394
2395 static int debugcon_parse(const char *devname)
2396 {
2397 QemuOpts *opts;
2398
2399 if (!qemu_chr_new("debugcon", devname, NULL)) {
2400 exit(1);
2401 }
2402 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2403 if (!opts) {
2404 fprintf(stderr, "qemu: already have a debugcon device\n");
2405 exit(1);
2406 }
2407 qemu_opt_set(opts, "driver", "isa-debugcon");
2408 qemu_opt_set(opts, "chardev", "debugcon");
2409 return 0;
2410 }
2411
2412 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2413 {
2414 const MachineClass *mc1 = a, *mc2 = b;
2415 int res;
2416
2417 if (mc1->family == NULL) {
2418 if (mc2->family == NULL) {
2419 /* Compare standalone machine types against each other; they sort
2420 * in increasing order.
2421 */
2422 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2423 object_class_get_name(OBJECT_CLASS(mc2)));
2424 }
2425
2426 /* Standalone machine types sort after families. */
2427 return 1;
2428 }
2429
2430 if (mc2->family == NULL) {
2431 /* Families sort before standalone machine types. */
2432 return -1;
2433 }
2434
2435 /* Families sort between each other alphabetically increasingly. */
2436 res = strcmp(mc1->family, mc2->family);
2437 if (res != 0) {
2438 return res;
2439 }
2440
2441 /* Within the same family, machine types sort in decreasing order. */
2442 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2443 object_class_get_name(OBJECT_CLASS(mc1)));
2444 }
2445
2446 static MachineClass *machine_parse(const char *name)
2447 {
2448 MachineClass *mc = NULL;
2449 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2450
2451 if (name) {
2452 mc = find_machine(name);
2453 }
2454 if (mc) {
2455 g_slist_free(machines);
2456 return mc;
2457 }
2458 if (name && !is_help_option(name)) {
2459 error_report("Unsupported machine type");
2460 error_printf("Use -machine help to list supported machines!\n");
2461 } else {
2462 printf("Supported machines are:\n");
2463 machines = g_slist_sort(machines, machine_class_cmp);
2464 for (el = machines; el; el = el->next) {
2465 MachineClass *mc = el->data;
2466 if (mc->alias) {
2467 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2468 }
2469 printf("%-20s %s%s\n", mc->name, mc->desc,
2470 mc->is_default ? " (default)" : "");
2471 }
2472 }
2473
2474 g_slist_free(machines);
2475 exit(!name || !is_help_option(name));
2476 }
2477
2478 void qemu_add_exit_notifier(Notifier *notify)
2479 {
2480 notifier_list_add(&exit_notifiers, notify);
2481 }
2482
2483 void qemu_remove_exit_notifier(Notifier *notify)
2484 {
2485 notifier_remove(notify);
2486 }
2487
2488 static void qemu_run_exit_notifiers(void)
2489 {
2490 notifier_list_notify(&exit_notifiers, NULL);
2491 }
2492
2493 void qemu_add_machine_init_done_notifier(Notifier *notify)
2494 {
2495 notifier_list_add(&machine_init_done_notifiers, notify);
2496 }
2497
2498 static void qemu_run_machine_init_done_notifiers(void)
2499 {
2500 notifier_list_notify(&machine_init_done_notifiers, NULL);
2501 }
2502
2503 static const QEMUOption *lookup_opt(int argc, char **argv,
2504 const char **poptarg, int *poptind)
2505 {
2506 const QEMUOption *popt;
2507 int optind = *poptind;
2508 char *r = argv[optind];
2509 const char *optarg;
2510
2511 loc_set_cmdline(argv, optind, 1);
2512 optind++;
2513 /* Treat --foo the same as -foo. */
2514 if (r[1] == '-')
2515 r++;
2516 popt = qemu_options;
2517 for(;;) {
2518 if (!popt->name) {
2519 error_report("invalid option");
2520 exit(1);
2521 }
2522 if (!strcmp(popt->name, r + 1))
2523 break;
2524 popt++;
2525 }
2526 if (popt->flags & HAS_ARG) {
2527 if (optind >= argc) {
2528 error_report("requires an argument");
2529 exit(1);
2530 }
2531 optarg = argv[optind++];
2532 loc_set_cmdline(argv, optind - 2, 2);
2533 } else {
2534 optarg = NULL;
2535 }
2536
2537 *poptarg = optarg;
2538 *poptind = optind;
2539
2540 return popt;
2541 }
2542
2543 static gpointer malloc_and_trace(gsize n_bytes)
2544 {
2545 void *ptr = malloc(n_bytes);
2546 trace_g_malloc(n_bytes, ptr);
2547 return ptr;
2548 }
2549
2550 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2551 {
2552 void *ptr = realloc(mem, n_bytes);
2553 trace_g_realloc(mem, n_bytes, ptr);
2554 return ptr;
2555 }
2556
2557 static void free_and_trace(gpointer mem)
2558 {
2559 trace_g_free(mem);
2560 free(mem);
2561 }
2562
2563 static int machine_set_property(const char *name, const char *value,
2564 void *opaque)
2565 {
2566 Object *obj = OBJECT(opaque);
2567 Error *local_err = NULL;
2568 char *c, *qom_name;
2569
2570 if (strcmp(name, "type") == 0) {
2571 return 0;
2572 }
2573
2574 qom_name = g_strdup(name);
2575 c = qom_name;
2576 while (*c++) {
2577 if (*c == '_') {
2578 *c = '-';
2579 }
2580 }
2581
2582 object_property_parse(obj, value, qom_name, &local_err);
2583 g_free(qom_name);
2584
2585 if (local_err) {
2586 qerror_report_err(local_err);
2587 error_free(local_err);
2588 return -1;
2589 }
2590
2591 return 0;
2592 }
2593
2594 static int object_create(QemuOpts *opts, void *opaque)
2595 {
2596 Error *err = NULL;
2597 char *type = NULL;
2598 char *id = NULL;
2599 void *dummy = NULL;
2600 OptsVisitor *ov;
2601 QDict *pdict;
2602
2603 ov = opts_visitor_new(opts);
2604 pdict = qemu_opts_to_qdict(opts, NULL);
2605
2606 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2607 if (err) {
2608 goto out;
2609 }
2610
2611 qdict_del(pdict, "qom-type");
2612 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2613 if (err) {
2614 goto out;
2615 }
2616
2617 qdict_del(pdict, "id");
2618 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2619 if (err) {
2620 goto out;
2621 }
2622
2623 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2624 if (err) {
2625 goto out;
2626 }
2627 visit_end_struct(opts_get_visitor(ov), &err);
2628 if (err) {
2629 qmp_object_del(id, NULL);
2630 }
2631
2632 out:
2633 opts_visitor_cleanup(ov);
2634
2635 QDECREF(pdict);
2636 g_free(id);
2637 g_free(type);
2638 g_free(dummy);
2639 if (err) {
2640 qerror_report_err(err);
2641 error_free(err);
2642 return -1;
2643 }
2644 return 0;
2645 }
2646
2647 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2648 {
2649 uint64_t sz;
2650 const char *mem_str;
2651 const char *maxmem_str, *slots_str;
2652 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2653 1024 * 1024;
2654 QemuOpts *opts = qemu_find_opts_singleton("memory");
2655
2656 sz = 0;
2657 mem_str = qemu_opt_get(opts, "size");
2658 if (mem_str) {
2659 if (!*mem_str) {
2660 error_report("missing 'size' option value");
2661 exit(EXIT_FAILURE);
2662 }
2663
2664 sz = qemu_opt_get_size(opts, "size", ram_size);
2665
2666 /* Fix up legacy suffix-less format */
2667 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2668 uint64_t overflow_check = sz;
2669
2670 sz <<= 20;
2671 if ((sz >> 20) != overflow_check) {
2672 error_report("too large 'size' option value");
2673 exit(EXIT_FAILURE);
2674 }
2675 }
2676 }
2677
2678 /* backward compatibility behaviour for case "-m 0" */
2679 if (sz == 0) {
2680 sz = default_ram_size;
2681 }
2682
2683 sz = QEMU_ALIGN_UP(sz, 8192);
2684 ram_size = sz;
2685 if (ram_size != sz) {
2686 error_report("ram size too large");
2687 exit(EXIT_FAILURE);
2688 }
2689
2690 /* store value for the future use */
2691 qemu_opt_set_number(opts, "size", ram_size);
2692 *maxram_size = ram_size;
2693
2694 maxmem_str = qemu_opt_get(opts, "maxmem");
2695 slots_str = qemu_opt_get(opts, "slots");
2696 if (maxmem_str && slots_str) {
2697 uint64_t slots;
2698
2699 sz = qemu_opt_get_size(opts, "maxmem", 0);
2700 if (sz < ram_size) {
2701 error_report("invalid -m option value: maxmem "
2702 "(0x%" PRIx64 ") <= initial memory (0x"
2703 RAM_ADDR_FMT ")", sz, ram_size);
2704 exit(EXIT_FAILURE);
2705 }
2706
2707 slots = qemu_opt_get_number(opts, "slots", 0);
2708 if ((sz > ram_size) && !slots) {
2709 error_report("invalid -m option value: maxmem "
2710 "(0x%" PRIx64 ") more than initial memory (0x"
2711 RAM_ADDR_FMT ") but no hotplug slots where "
2712 "specified", sz, ram_size);
2713 exit(EXIT_FAILURE);
2714 }
2715
2716 if ((sz <= ram_size) && slots) {
2717 error_report("invalid -m option value: %"
2718 PRIu64 " hotplug slots where specified but "
2719 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
2720 RAM_ADDR_FMT ")", slots, sz, ram_size);
2721 exit(EXIT_FAILURE);
2722 }
2723 *maxram_size = sz;
2724 *ram_slots = slots;
2725 } else if ((!maxmem_str && slots_str) ||
2726 (maxmem_str && !slots_str)) {
2727 error_report("invalid -m option value: missing "
2728 "'%s' option", slots_str ? "maxmem" : "slots");
2729 exit(EXIT_FAILURE);
2730 }
2731 }
2732
2733 int main(int argc, char **argv, char **envp)
2734 {
2735 int i;
2736 int snapshot, linux_boot;
2737 const char *initrd_filename;
2738 const char *kernel_filename, *kernel_cmdline;
2739 const char *boot_order;
2740 DisplayState *ds;
2741 int cyls, heads, secs, translation;
2742 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2743 QemuOptsList *olist;
2744 int optind;
2745 const char *optarg;
2746 const char *loadvm = NULL;
2747 MachineClass *machine_class;
2748 const char *cpu_model;
2749 const char *vga_model = NULL;
2750 const char *qtest_chrdev = NULL;
2751 const char *qtest_log = NULL;
2752 const char *pid_file = NULL;
2753 const char *incoming = NULL;
2754 #ifdef CONFIG_VNC
2755 int show_vnc_port = 0;
2756 #endif
2757 bool defconfig = true;
2758 bool userconfig = true;
2759 const char *log_mask = NULL;
2760 const char *log_file = NULL;
2761 GMemVTable mem_trace = {
2762 .malloc = malloc_and_trace,
2763 .realloc = realloc_and_trace,
2764 .free = free_and_trace,
2765 };
2766 const char *trace_events = NULL;
2767 const char *trace_file = NULL;
2768 ram_addr_t maxram_size;
2769 uint64_t ram_slots = 0;
2770 FILE *vmstate_dump_file = NULL;
2771 Error *main_loop_err = NULL;
2772
2773 atexit(qemu_run_exit_notifiers);
2774 error_set_progname(argv[0]);
2775 qemu_init_exec_dir(argv[0]);
2776
2777 g_mem_set_vtable(&mem_trace);
2778
2779 module_call_init(MODULE_INIT_QOM);
2780
2781 qemu_add_opts(&qemu_drive_opts);
2782 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2783 qemu_add_drive_opts(&qemu_common_drive_opts);
2784 qemu_add_drive_opts(&qemu_drive_opts);
2785 qemu_add_opts(&qemu_chardev_opts);
2786 qemu_add_opts(&qemu_device_opts);
2787 qemu_add_opts(&qemu_netdev_opts);
2788 qemu_add_opts(&qemu_net_opts);
2789 qemu_add_opts(&qemu_rtc_opts);
2790 qemu_add_opts(&qemu_global_opts);
2791 qemu_add_opts(&qemu_mon_opts);
2792 qemu_add_opts(&qemu_trace_opts);
2793 qemu_add_opts(&qemu_option_rom_opts);
2794 qemu_add_opts(&qemu_machine_opts);
2795 qemu_add_opts(&qemu_mem_opts);
2796 qemu_add_opts(&qemu_smp_opts);
2797 qemu_add_opts(&qemu_boot_opts);
2798 qemu_add_opts(&qemu_sandbox_opts);
2799 qemu_add_opts(&qemu_add_fd_opts);
2800 qemu_add_opts(&qemu_object_opts);
2801 qemu_add_opts(&qemu_tpmdev_opts);
2802 qemu_add_opts(&qemu_realtime_opts);
2803 qemu_add_opts(&qemu_msg_opts);
2804 qemu_add_opts(&qemu_name_opts);
2805 qemu_add_opts(&qemu_numa_opts);
2806 qemu_add_opts(&qemu_icount_opts);
2807 qemu_add_opts(&qemu_semihosting_config_opts);
2808
2809 runstate_init();
2810
2811 rtc_clock = QEMU_CLOCK_HOST;
2812
2813 QLIST_INIT (&vm_change_state_head);
2814 os_setup_early_signal_handling();
2815
2816 module_call_init(MODULE_INIT_MACHINE);
2817 machine_class = find_default_machine();
2818 cpu_model = NULL;
2819 snapshot = 0;
2820 cyls = heads = secs = 0;
2821 translation = BIOS_ATA_TRANSLATION_AUTO;
2822
2823 for (i = 0; i < MAX_NODES; i++) {
2824 numa_info[i].node_mem = 0;
2825 numa_info[i].present = false;
2826 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2827 }
2828
2829 nb_numa_nodes = 0;
2830 max_numa_nodeid = 0;
2831 nb_nics = 0;
2832
2833 bdrv_init_with_whitelist();
2834
2835 autostart = 1;
2836
2837 /* first pass of option parsing */
2838 optind = 1;
2839 while (optind < argc) {
2840 if (argv[optind][0] != '-') {
2841 /* disk image */
2842 optind++;
2843 } else {
2844 const QEMUOption *popt;
2845
2846 popt = lookup_opt(argc, argv, &optarg, &optind);
2847 switch (popt->index) {
2848 case QEMU_OPTION_nodefconfig:
2849 defconfig = false;
2850 break;
2851 case QEMU_OPTION_nouserconfig:
2852 userconfig = false;
2853 break;
2854 }
2855 }
2856 }
2857
2858 if (defconfig) {
2859 int ret;
2860 ret = qemu_read_default_config_files(userconfig);
2861 if (ret < 0) {
2862 exit(1);
2863 }
2864 }
2865
2866 /* second pass of option parsing */
2867 optind = 1;
2868 for(;;) {
2869 if (optind >= argc)
2870 break;
2871 if (argv[optind][0] != '-') {
2872 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2873 } else {
2874 const QEMUOption *popt;
2875
2876 popt = lookup_opt(argc, argv, &optarg, &optind);
2877 if (!(popt->arch_mask & arch_type)) {
2878 printf("Option %s not supported for this target\n", popt->name);
2879 exit(1);
2880 }
2881 switch(popt->index) {
2882 case QEMU_OPTION_no_kvm_irqchip: {
2883 olist = qemu_find_opts("machine");
2884 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2885 break;
2886 }
2887 case QEMU_OPTION_cpu:
2888 /* hw initialization will check this */
2889 cpu_model = optarg;
2890 break;
2891 case QEMU_OPTION_hda:
2892 {
2893 char buf[256];
2894 if (cyls == 0)
2895 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2896 else
2897 snprintf(buf, sizeof(buf),
2898 "%s,cyls=%d,heads=%d,secs=%d%s",
2899 HD_OPTS , cyls, heads, secs,
2900 translation == BIOS_ATA_TRANSLATION_LBA ?
2901 ",trans=lba" :
2902 translation == BIOS_ATA_TRANSLATION_NONE ?
2903 ",trans=none" : "");
2904 drive_add(IF_DEFAULT, 0, optarg, buf);
2905 break;
2906 }
2907 case QEMU_OPTION_hdb:
2908 case QEMU_OPTION_hdc:
2909 case QEMU_OPTION_hdd:
2910 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2911 HD_OPTS);
2912 break;
2913 case QEMU_OPTION_drive:
2914 if (drive_def(optarg) == NULL) {
2915 exit(1);
2916 }
2917 break;
2918 case QEMU_OPTION_set:
2919 if (qemu_set_option(optarg) != 0)
2920 exit(1);
2921 break;
2922 case QEMU_OPTION_global:
2923 if (qemu_global_option(optarg) != 0)
2924 exit(1);
2925 break;
2926 case QEMU_OPTION_mtdblock:
2927 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2928 break;
2929 case QEMU_OPTION_sd:
2930 drive_add(IF_SD, -1, optarg, SD_OPTS);
2931 break;
2932 case QEMU_OPTION_pflash:
2933 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2934 break;
2935 case QEMU_OPTION_snapshot:
2936 snapshot = 1;
2937 break;
2938 case QEMU_OPTION_hdachs:
2939 {
2940 const char *p;
2941 p = optarg;
2942 cyls = strtol(p, (char **)&p, 0);
2943 if (cyls < 1 || cyls > 16383)
2944 goto chs_fail;
2945 if (*p != ',')
2946 goto chs_fail;
2947 p++;
2948 heads = strtol(p, (char **)&p, 0);
2949 if (heads < 1 || heads > 16)
2950 goto chs_fail;
2951 if (*p != ',')
2952 goto chs_fail;
2953 p++;
2954 secs = strtol(p, (char **)&p, 0);
2955 if (secs < 1 || secs > 63)
2956 goto chs_fail;
2957 if (*p == ',') {
2958 p++;
2959 if (!strcmp(p, "large")) {
2960 translation = BIOS_ATA_TRANSLATION_LARGE;
2961 } else if (!strcmp(p, "rechs")) {
2962 translation = BIOS_ATA_TRANSLATION_RECHS;
2963 } else if (!strcmp(p, "none")) {
2964 translation = BIOS_ATA_TRANSLATION_NONE;
2965 } else if (!strcmp(p, "lba")) {
2966 translation = BIOS_ATA_TRANSLATION_LBA;
2967 } else if (!strcmp(p, "auto")) {
2968 translation = BIOS_ATA_TRANSLATION_AUTO;
2969 } else {
2970 goto chs_fail;
2971 }
2972 } else if (*p != '\0') {
2973 chs_fail:
2974 fprintf(stderr, "qemu: invalid physical CHS format\n");
2975 exit(1);
2976 }
2977 if (hda_opts != NULL) {
2978 char num[16];
2979 snprintf(num, sizeof(num), "%d", cyls);
2980 qemu_opt_set(hda_opts, "cyls", num);
2981 snprintf(num, sizeof(num), "%d", heads);
2982 qemu_opt_set(hda_opts, "heads", num);
2983 snprintf(num, sizeof(num), "%d", secs);
2984 qemu_opt_set(hda_opts, "secs", num);
2985 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2986 qemu_opt_set(hda_opts, "trans", "large");
2987 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2988 qemu_opt_set(hda_opts, "trans", "rechs");
2989 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2990 qemu_opt_set(hda_opts, "trans", "lba");
2991 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2992 qemu_opt_set(hda_opts, "trans", "none");
2993 }
2994 }
2995 }
2996 break;
2997 case QEMU_OPTION_numa:
2998 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2999 if (!opts) {
3000 exit(1);
3001 }
3002 break;
3003 case QEMU_OPTION_display:
3004 display_type = select_display(optarg);
3005 break;
3006 case QEMU_OPTION_nographic:
3007 display_type = DT_NOGRAPHIC;
3008 break;
3009 case QEMU_OPTION_curses:
3010 #ifdef CONFIG_CURSES
3011 display_type = DT_CURSES;
3012 #else
3013 fprintf(stderr, "Curses support is disabled\n");
3014 exit(1);
3015 #endif
3016 break;
3017 case QEMU_OPTION_portrait:
3018 graphic_rotate = 90;
3019 break;
3020 case QEMU_OPTION_rotate:
3021 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3022 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3023 graphic_rotate != 180 && graphic_rotate != 270) {
3024 fprintf(stderr,
3025 "qemu: only 90, 180, 270 deg rotation is available\n");
3026 exit(1);
3027 }
3028 break;
3029 case QEMU_OPTION_kernel:
3030 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3031 break;
3032 case QEMU_OPTION_initrd:
3033 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3034 break;
3035 case QEMU_OPTION_append:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3037 break;
3038 case QEMU_OPTION_dtb:
3039 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3040 break;
3041 case QEMU_OPTION_cdrom:
3042 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3043 break;
3044 case QEMU_OPTION_boot:
3045 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3046 if (!opts) {
3047 exit(1);
3048 }
3049 break;
3050 case QEMU_OPTION_fda:
3051 case QEMU_OPTION_fdb:
3052 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3053 optarg, FD_OPTS);
3054 break;
3055 case QEMU_OPTION_no_fd_bootchk:
3056 fd_bootchk = 0;
3057 break;
3058 case QEMU_OPTION_netdev:
3059 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3060 exit(1);
3061 }
3062 break;
3063 case QEMU_OPTION_net:
3064 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3065 exit(1);
3066 }
3067 break;
3068 #ifdef CONFIG_LIBISCSI
3069 case QEMU_OPTION_iscsi:
3070 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3071 if (!opts) {
3072 exit(1);
3073 }
3074 break;
3075 #endif
3076 #ifdef CONFIG_SLIRP
3077 case QEMU_OPTION_tftp:
3078 legacy_tftp_prefix = optarg;
3079 break;
3080 case QEMU_OPTION_bootp:
3081 legacy_bootp_filename = optarg;
3082 break;
3083 case QEMU_OPTION_redir:
3084 if (net_slirp_redir(optarg) < 0)
3085 exit(1);
3086 break;
3087 #endif
3088 case QEMU_OPTION_bt:
3089 add_device_config(DEV_BT, optarg);
3090 break;
3091 case QEMU_OPTION_audio_help:
3092 AUD_help ();
3093 exit (0);
3094 break;
3095 case QEMU_OPTION_soundhw:
3096 select_soundhw (optarg);
3097 break;
3098 case QEMU_OPTION_h:
3099 help(0);
3100 break;
3101 case QEMU_OPTION_version:
3102 version();
3103 exit(0);
3104 break;
3105 case QEMU_OPTION_m:
3106 opts = qemu_opts_parse(qemu_find_opts("memory"),
3107 optarg, 1);
3108 if (!opts) {
3109 exit(EXIT_FAILURE);
3110 }
3111 break;
3112 #ifdef CONFIG_TPM
3113 case QEMU_OPTION_tpmdev:
3114 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3115 exit(1);
3116 }
3117 break;
3118 #endif
3119 case QEMU_OPTION_mempath:
3120 mem_path = optarg;
3121 break;
3122 case QEMU_OPTION_mem_prealloc:
3123 mem_prealloc = 1;
3124 break;
3125 case QEMU_OPTION_d:
3126 log_mask = optarg;
3127 break;
3128 case QEMU_OPTION_D:
3129 log_file = optarg;
3130 break;
3131 case QEMU_OPTION_s:
3132 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3133 break;
3134 case QEMU_OPTION_gdb:
3135 add_device_config(DEV_GDB, optarg);
3136 break;
3137 case QEMU_OPTION_L:
3138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3139 data_dir[data_dir_idx++] = optarg;
3140 }
3141 break;
3142 case QEMU_OPTION_bios:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3144 break;
3145 case QEMU_OPTION_singlestep:
3146 singlestep = 1;
3147 break;
3148 case QEMU_OPTION_S:
3149 autostart = 0;
3150 break;
3151 case QEMU_OPTION_k:
3152 keyboard_layout = optarg;
3153 break;
3154 case QEMU_OPTION_localtime:
3155 rtc_utc = 0;
3156 break;
3157 case QEMU_OPTION_vga:
3158 vga_model = optarg;
3159 default_vga = 0;
3160 break;
3161 case QEMU_OPTION_g:
3162 {
3163 const char *p;
3164 int w, h, depth;
3165 p = optarg;
3166 w = strtol(p, (char **)&p, 10);
3167 if (w <= 0) {
3168 graphic_error:
3169 fprintf(stderr, "qemu: invalid resolution or depth\n");
3170 exit(1);
3171 }
3172 if (*p != 'x')
3173 goto graphic_error;
3174 p++;
3175 h = strtol(p, (char **)&p, 10);
3176 if (h <= 0)
3177 goto graphic_error;
3178 if (*p == 'x') {
3179 p++;
3180 depth = strtol(p, (char **)&p, 10);
3181 if (depth != 8 && depth != 15 && depth != 16 &&
3182 depth != 24 && depth != 32)
3183 goto graphic_error;
3184 } else if (*p == '\0') {
3185 depth = graphic_depth;
3186 } else {
3187 goto graphic_error;
3188 }
3189
3190 graphic_width = w;
3191 graphic_height = h;
3192 graphic_depth = depth;
3193 }
3194 break;
3195 case QEMU_OPTION_echr:
3196 {
3197 char *r;
3198 term_escape_char = strtol(optarg, &r, 0);
3199 if (r == optarg)
3200 printf("Bad argument to echr\n");
3201 break;
3202 }
3203 case QEMU_OPTION_monitor:
3204 default_monitor = 0;
3205 if (strncmp(optarg, "none", 4)) {
3206 monitor_parse(optarg, "readline", false);
3207 }
3208 break;
3209 case QEMU_OPTION_qmp:
3210 monitor_parse(optarg, "control", false);
3211 default_monitor = 0;
3212 break;
3213 case QEMU_OPTION_qmp_pretty:
3214 monitor_parse(optarg, "control", true);
3215 default_monitor = 0;
3216 break;
3217 case QEMU_OPTION_mon:
3218 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3219 if (!opts) {
3220 exit(1);
3221 }
3222 default_monitor = 0;
3223 break;
3224 case QEMU_OPTION_chardev:
3225 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3226 if (!opts) {
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_fsdev:
3231 olist = qemu_find_opts("fsdev");
3232 if (!olist) {
3233 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3234 exit(1);
3235 }
3236 opts = qemu_opts_parse(olist, optarg, 1);
3237 if (!opts) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_virtfs: {
3242 QemuOpts *fsdev;
3243 QemuOpts *device;
3244 const char *writeout, *sock_fd, *socket;
3245
3246 olist = qemu_find_opts("virtfs");
3247 if (!olist) {
3248 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3249 exit(1);
3250 }
3251 opts = qemu_opts_parse(olist, optarg, 1);
3252 if (!opts) {
3253 exit(1);
3254 }
3255
3256 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3257 qemu_opt_get(opts, "mount_tag") == NULL) {
3258 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3259 exit(1);
3260 }
3261 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3262 qemu_opt_get(opts, "mount_tag"),
3263 1, NULL);
3264 if (!fsdev) {
3265 fprintf(stderr, "duplicate fsdev id: %s\n",
3266 qemu_opt_get(opts, "mount_tag"));
3267 exit(1);
3268 }
3269
3270 writeout = qemu_opt_get(opts, "writeout");
3271 if (writeout) {
3272 #ifdef CONFIG_SYNC_FILE_RANGE
3273 qemu_opt_set(fsdev, "writeout", writeout);
3274 #else
3275 fprintf(stderr, "writeout=immediate not supported on "
3276 "this platform\n");
3277 exit(1);
3278 #endif
3279 }
3280 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3281 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3282 qemu_opt_set(fsdev, "security_model",
3283 qemu_opt_get(opts, "security_model"));
3284 socket = qemu_opt_get(opts, "socket");
3285 if (socket) {
3286 qemu_opt_set(fsdev, "socket", socket);
3287 }
3288 sock_fd = qemu_opt_get(opts, "sock_fd");
3289 if (sock_fd) {
3290 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3291 }
3292
3293 qemu_opt_set_bool(fsdev, "readonly",
3294 qemu_opt_get_bool(opts, "readonly", 0));
3295 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3296 &error_abort);
3297 qemu_opt_set(device, "driver", "virtio-9p-pci");
3298 qemu_opt_set(device, "fsdev",
3299 qemu_opt_get(opts, "mount_tag"));
3300 qemu_opt_set(device, "mount_tag",
3301 qemu_opt_get(opts, "mount_tag"));
3302 break;
3303 }
3304 case QEMU_OPTION_virtfs_synth: {
3305 QemuOpts *fsdev;
3306 QemuOpts *device;
3307
3308 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3309 1, NULL);
3310 if (!fsdev) {
3311 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3312 exit(1);
3313 }
3314 qemu_opt_set(fsdev, "fsdriver", "synth");
3315
3316 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3317 &error_abort);
3318 qemu_opt_set(device, "driver", "virtio-9p-pci");
3319 qemu_opt_set(device, "fsdev", "v_synth");
3320 qemu_opt_set(device, "mount_tag", "v_synth");
3321 break;
3322 }
3323 case QEMU_OPTION_serial:
3324 add_device_config(DEV_SERIAL, optarg);
3325 default_serial = 0;
3326 if (strncmp(optarg, "mon:", 4) == 0) {
3327 default_monitor = 0;
3328 }
3329 break;
3330 case QEMU_OPTION_watchdog:
3331 if (watchdog) {
3332 fprintf(stderr,
3333 "qemu: only one watchdog option may be given\n");
3334 return 1;
3335 }
3336 watchdog = optarg;
3337 break;
3338 case QEMU_OPTION_watchdog_action:
3339 if (select_watchdog_action(optarg) == -1) {
3340 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3341 exit(1);
3342 }
3343 break;
3344 case QEMU_OPTION_virtiocon:
3345 add_device_config(DEV_VIRTCON, optarg);
3346 default_virtcon = 0;
3347 if (strncmp(optarg, "mon:", 4) == 0) {
3348 default_monitor = 0;
3349 }
3350 break;
3351 case QEMU_OPTION_parallel:
3352 add_device_config(DEV_PARALLEL, optarg);
3353 default_parallel = 0;
3354 if (strncmp(optarg, "mon:", 4) == 0) {
3355 default_monitor = 0;
3356 }
3357 break;
3358 case QEMU_OPTION_debugcon:
3359 add_device_config(DEV_DEBUGCON, optarg);
3360 break;
3361 case QEMU_OPTION_loadvm:
3362 loadvm = optarg;
3363 break;
3364 case QEMU_OPTION_full_screen:
3365 full_screen = 1;
3366 break;
3367 case QEMU_OPTION_no_frame:
3368 no_frame = 1;
3369 break;
3370 case QEMU_OPTION_alt_grab:
3371 alt_grab = 1;
3372 break;
3373 case QEMU_OPTION_ctrl_grab:
3374 ctrl_grab = 1;
3375 break;
3376 case QEMU_OPTION_no_quit:
3377 no_quit = 1;
3378 break;
3379 case QEMU_OPTION_sdl:
3380 #ifdef CONFIG_SDL
3381 display_type = DT_SDL;
3382 break;
3383 #else
3384 fprintf(stderr, "SDL support is disabled\n");
3385 exit(1);
3386 #endif
3387 case QEMU_OPTION_pidfile:
3388 pid_file = optarg;
3389 break;
3390 case QEMU_OPTION_win2k_hack:
3391 win2k_install_hack = 1;
3392 break;
3393 case QEMU_OPTION_rtc_td_hack: {
3394 static GlobalProperty slew_lost_ticks[] = {
3395 {
3396 .driver = "mc146818rtc",
3397 .property = "lost_tick_policy",
3398 .value = "slew",
3399 },
3400 { /* end of list */ }
3401 };
3402
3403 qdev_prop_register_global_list(slew_lost_ticks);
3404 break;
3405 }
3406 case QEMU_OPTION_acpitable:
3407 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3408 if (!opts) {
3409 exit(1);
3410 }
3411 do_acpitable_option(opts);
3412 break;
3413 case QEMU_OPTION_smbios:
3414 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3415 if (!opts) {
3416 exit(1);
3417 }
3418 do_smbios_option(opts);
3419 break;
3420 case QEMU_OPTION_enable_kvm:
3421 olist = qemu_find_opts("machine");
3422 qemu_opts_parse(olist, "accel=kvm", 0);
3423 break;
3424 case QEMU_OPTION_M:
3425 case QEMU_OPTION_machine:
3426 olist = qemu_find_opts("machine");
3427 opts = qemu_opts_parse(olist, optarg, 1);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 break;
3432 case QEMU_OPTION_no_kvm:
3433 olist = qemu_find_opts("machine");
3434 qemu_opts_parse(olist, "accel=tcg", 0);
3435 break;
3436 case QEMU_OPTION_no_kvm_pit: {
3437 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3438 "separately.\n");
3439 break;
3440 }
3441 case QEMU_OPTION_no_kvm_pit_reinjection: {
3442 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3443 {
3444 .driver = "kvm-pit",
3445 .property = "lost_tick_policy",
3446 .value = "discard",
3447 },
3448 { /* end of list */ }
3449 };
3450
3451 fprintf(stderr, "Warning: option deprecated, use "
3452 "lost_tick_policy property of kvm-pit instead.\n");
3453 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3454 break;
3455 }
3456 case QEMU_OPTION_usb:
3457 olist = qemu_find_opts("machine");
3458 qemu_opts_parse(olist, "usb=on", 0);
3459 break;
3460 case QEMU_OPTION_usbdevice:
3461 olist = qemu_find_opts("machine");
3462 qemu_opts_parse(olist, "usb=on", 0);
3463 add_device_config(DEV_USB, optarg);
3464 break;
3465 case QEMU_OPTION_device:
3466 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3467 exit(1);
3468 }
3469 break;
3470 case QEMU_OPTION_smp:
3471 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3472 exit(1);
3473 }
3474 break;
3475 case QEMU_OPTION_vnc:
3476 #ifdef CONFIG_VNC
3477 display_remote++;
3478 if (vnc_parse_func(optarg) == NULL) {
3479 exit(1);
3480 }
3481 #else
3482 fprintf(stderr, "VNC support is disabled\n");
3483 exit(1);
3484 #endif
3485 break;
3486 case QEMU_OPTION_no_acpi:
3487 acpi_enabled = 0;
3488 break;
3489 case QEMU_OPTION_no_hpet:
3490 no_hpet = 1;
3491 break;
3492 case QEMU_OPTION_balloon:
3493 if (balloon_parse(optarg) < 0) {
3494 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3495 exit(1);
3496 }
3497 break;
3498 case QEMU_OPTION_no_reboot:
3499 no_reboot = 1;
3500 break;
3501 case QEMU_OPTION_no_shutdown:
3502 no_shutdown = 1;
3503 break;
3504 case QEMU_OPTION_show_cursor:
3505 cursor_hide = 0;
3506 break;
3507 case QEMU_OPTION_uuid:
3508 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3509 fprintf(stderr, "Fail to parse UUID string."
3510 " Wrong format.\n");
3511 exit(1);
3512 }
3513 qemu_uuid_set = true;
3514 break;
3515 case QEMU_OPTION_option_rom:
3516 if (nb_option_roms >= MAX_OPTION_ROMS) {
3517 fprintf(stderr, "Too many option ROMs\n");
3518 exit(1);
3519 }
3520 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3521 if (!opts) {
3522 exit(1);
3523 }
3524 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3525 option_rom[nb_option_roms].bootindex =
3526 qemu_opt_get_number(opts, "bootindex", -1);
3527 if (!option_rom[nb_option_roms].name) {
3528 fprintf(stderr, "Option ROM file is not specified\n");
3529 exit(1);
3530 }
3531 nb_option_roms++;
3532 break;
3533 case QEMU_OPTION_semihosting:
3534 semihosting_enabled = 1;
3535 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3536 break;
3537 case QEMU_OPTION_semihosting_config:
3538 semihosting_enabled = 1;
3539 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3540 optarg, 0);
3541 if (opts != NULL) {
3542 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3543 true);
3544 const char *target = qemu_opt_get(opts, "target");
3545 if (target != NULL) {
3546 if (strcmp("native", target) == 0) {
3547 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3548 } else if (strcmp("gdb", target) == 0) {
3549 semihosting_target = SEMIHOSTING_TARGET_GDB;
3550 } else if (strcmp("auto", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3552 } else {
3553 fprintf(stderr, "Unsupported semihosting-config"
3554 " %s\n",
3555 optarg);
3556 exit(1);
3557 }
3558 } else {
3559 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3560 }
3561 } else {
3562 fprintf(stderr, "Unsupported semihosting-config %s\n",
3563 optarg);
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_tdf:
3568 fprintf(stderr, "Warning: user space PIT time drift fix "
3569 "is no longer supported.\n");
3570 break;
3571 case QEMU_OPTION_name:
3572 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3573 if (!opts) {
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_prom_env:
3578 if (nb_prom_envs >= MAX_PROM_ENVS) {
3579 fprintf(stderr, "Too many prom variables\n");
3580 exit(1);
3581 }
3582 prom_envs[nb_prom_envs] = optarg;
3583 nb_prom_envs++;
3584 break;
3585 case QEMU_OPTION_old_param:
3586 old_param = 1;
3587 break;
3588 case QEMU_OPTION_clock:
3589 /* Clock options no longer exist. Keep this option for
3590 * backward compatibility.
3591 */
3592 break;
3593 case QEMU_OPTION_startdate:
3594 configure_rtc_date_offset(optarg, 1);
3595 break;
3596 case QEMU_OPTION_rtc:
3597 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3598 if (!opts) {
3599 exit(1);
3600 }
3601 configure_rtc(opts);
3602 break;
3603 case QEMU_OPTION_tb_size:
3604 tcg_tb_size = strtol(optarg, NULL, 0);
3605 if (tcg_tb_size < 0) {
3606 tcg_tb_size = 0;
3607 }
3608 break;
3609 case QEMU_OPTION_icount:
3610 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3611 optarg, 1);
3612 if (!icount_opts) {
3613 exit(1);
3614 }
3615 break;
3616 case QEMU_OPTION_incoming:
3617 incoming = optarg;
3618 runstate_set(RUN_STATE_INMIGRATE);
3619 break;
3620 case QEMU_OPTION_nodefaults:
3621 has_defaults = 0;
3622 break;
3623 case QEMU_OPTION_xen_domid:
3624 if (!(xen_available())) {
3625 printf("Option %s not supported for this target\n", popt->name);
3626 exit(1);
3627 }
3628 xen_domid = atoi(optarg);
3629 break;
3630 case QEMU_OPTION_xen_create:
3631 if (!(xen_available())) {
3632 printf("Option %s not supported for this target\n", popt->name);
3633 exit(1);
3634 }
3635 xen_mode = XEN_CREATE;
3636 break;
3637 case QEMU_OPTION_xen_attach:
3638 if (!(xen_available())) {
3639 printf("Option %s not supported for this target\n", popt->name);
3640 exit(1);
3641 }
3642 xen_mode = XEN_ATTACH;
3643 break;
3644 case QEMU_OPTION_trace:
3645 {
3646 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3647 if (!opts) {
3648 exit(1);
3649 }
3650 trace_events = qemu_opt_get(opts, "events");
3651 trace_file = qemu_opt_get(opts, "file");
3652 break;
3653 }
3654 case QEMU_OPTION_readconfig:
3655 {
3656 int ret = qemu_read_config_file(optarg);
3657 if (ret < 0) {
3658 fprintf(stderr, "read config %s: %s\n", optarg,
3659 strerror(-ret));
3660 exit(1);
3661 }
3662 break;
3663 }
3664 case QEMU_OPTION_spice:
3665 olist = qemu_find_opts("spice");
3666 if (!olist) {
3667 fprintf(stderr, "spice is not supported by this qemu build.\n");
3668 exit(1);
3669 }
3670 opts = qemu_opts_parse(olist, optarg, 0);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 display_remote++;
3675 break;
3676 case QEMU_OPTION_writeconfig:
3677 {
3678 FILE *fp;
3679 if (strcmp(optarg, "-") == 0) {
3680 fp = stdout;
3681 } else {
3682 fp = fopen(optarg, "w");
3683 if (fp == NULL) {
3684 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3685 exit(1);
3686 }
3687 }
3688 qemu_config_write(fp);
3689 if (fp != stdout) {
3690 fclose(fp);
3691 }
3692 break;
3693 }
3694 case QEMU_OPTION_qtest:
3695 qtest_chrdev = optarg;
3696 break;
3697 case QEMU_OPTION_qtest_log:
3698 qtest_log = optarg;
3699 break;
3700 case QEMU_OPTION_sandbox:
3701 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3702 if (!opts) {
3703 exit(1);
3704 }
3705 break;
3706 case QEMU_OPTION_add_fd:
3707 #ifndef _WIN32
3708 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 #else
3713 error_report("File descriptor passing is disabled on this "
3714 "platform");
3715 exit(1);
3716 #endif
3717 break;
3718 case QEMU_OPTION_object:
3719 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3720 if (!opts) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_realtime:
3725 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3726 if (!opts) {
3727 exit(1);
3728 }
3729 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3730 break;
3731 case QEMU_OPTION_msg:
3732 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3733 if (!opts) {
3734 exit(1);
3735 }
3736 configure_msg(opts);
3737 break;
3738 case QEMU_OPTION_dump_vmstate:
3739 if (vmstate_dump_file) {
3740 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3741 "option may be given\n");
3742 exit(1);
3743 }
3744 vmstate_dump_file = fopen(optarg, "w");
3745 if (vmstate_dump_file == NULL) {
3746 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3747 exit(1);
3748 }
3749 break;
3750 default:
3751 os_parse_cmd_args(popt->index, optarg);
3752 }
3753 }
3754 }
3755
3756 opts = qemu_get_machine_opts();
3757 optarg = qemu_opt_get(opts, "type");
3758 if (optarg) {
3759 machine_class = machine_parse(optarg);
3760 }
3761
3762 set_memory_options(&ram_slots, &maxram_size);
3763
3764 loc_set_none();
3765
3766 os_daemonize();
3767
3768 if (qemu_init_main_loop(&main_loop_err)) {
3769 error_report("%s", error_get_pretty(main_loop_err));
3770 exit(1);
3771 }
3772
3773 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3774 exit(1);
3775 }
3776
3777 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3778 exit(1);
3779 }
3780
3781 #ifndef _WIN32
3782 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3783 exit(1);
3784 }
3785
3786 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3787 exit(1);
3788 }
3789 #endif
3790
3791 if (machine_class == NULL) {
3792 fprintf(stderr, "No machine specified, and there is no default.\n"
3793 "Use -machine help to list supported machines!\n");
3794 exit(1);
3795 }
3796
3797 current_machine = MACHINE(object_new(object_class_get_name(
3798 OBJECT_CLASS(machine_class))));
3799 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3800 exit(0);
3801 }
3802 object_property_add_child(object_get_root(), "machine",
3803 OBJECT(current_machine), &error_abort);
3804 cpu_exec_init_all();
3805
3806 if (machine_class->hw_version) {
3807 qemu_set_version(machine_class->hw_version);
3808 }
3809
3810 /* Init CPU def lists, based on config
3811 * - Must be called after all the qemu_read_config_file() calls
3812 * - Must be called before list_cpus()
3813 * - Must be called before machine->init()
3814 */
3815 cpudef_init();
3816
3817 if (cpu_model && is_help_option(cpu_model)) {
3818 list_cpus(stdout, &fprintf, cpu_model);
3819 exit(0);
3820 }
3821
3822 /* Open the logfile at this point, if necessary. We can't open the logfile
3823 * when encountering either of the logging options (-d or -D) because the
3824 * other one may be encountered later on the command line, changing the
3825 * location or level of logging.
3826 */
3827 if (log_mask) {
3828 int mask;
3829 if (log_file) {
3830 qemu_set_log_filename(log_file);
3831 }
3832
3833 mask = qemu_str_to_log_mask(log_mask);
3834 if (!mask) {
3835 qemu_print_log_usage(stdout);
3836 exit(1);
3837 }
3838 qemu_set_log(mask);
3839 }
3840
3841 if (!is_daemonized()) {
3842 if (!trace_init_backends(trace_events, trace_file)) {
3843 exit(1);
3844 }
3845 }
3846
3847 /* If no data_dir is specified then try to find it relative to the
3848 executable path. */
3849 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3850 data_dir[data_dir_idx] = os_find_datadir();
3851 if (data_dir[data_dir_idx] != NULL) {
3852 data_dir_idx++;
3853 }
3854 }
3855 /* If all else fails use the install path specified when building. */
3856 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3857 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3858 }
3859
3860 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3861
3862 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3863 if (max_cpus > machine_class->max_cpus) {
3864 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3865 "supported by machine `%s' (%d)\n", max_cpus,
3866 machine_class->name, machine_class->max_cpus);
3867 exit(1);
3868 }
3869
3870 /*
3871 * Get the default machine options from the machine if it is not already
3872 * specified either by the configuration file or by the command line.
3873 */
3874 if (machine_class->default_machine_opts) {
3875 qemu_opts_set_defaults(qemu_find_opts("machine"),
3876 machine_class->default_machine_opts, 0);
3877 }
3878
3879 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3880 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3881
3882 if (!vga_model && !default_vga) {
3883 vga_interface_type = VGA_DEVICE;
3884 }
3885 if (!has_defaults || machine_class->no_serial) {
3886 default_serial = 0;
3887 }
3888 if (!has_defaults || machine_class->no_parallel) {
3889 default_parallel = 0;
3890 }
3891 if (!has_defaults || !machine_class->use_virtcon) {
3892 default_virtcon = 0;
3893 }
3894 if (!has_defaults || !machine_class->use_sclp) {
3895 default_sclp = 0;
3896 }
3897 if (!has_defaults || machine_class->no_floppy) {
3898 default_floppy = 0;
3899 }
3900 if (!has_defaults || machine_class->no_cdrom) {
3901 default_cdrom = 0;
3902 }
3903 if (!has_defaults || machine_class->no_sdcard) {
3904 default_sdcard = 0;
3905 }
3906 if (!has_defaults) {
3907 default_monitor = 0;
3908 default_net = 0;
3909 default_vga = 0;
3910 }
3911
3912 if (is_daemonized()) {
3913 /* According to documentation and historically, -nographic redirects
3914 * serial port, parallel port and monitor to stdio, which does not work
3915 * with -daemonize. We can redirect these to null instead, but since
3916 * -nographic is legacy, let's just error out.
3917 * We disallow -nographic only if all other ports are not redirected
3918 * explicitly, to not break existing legacy setups which uses
3919 * -nographic _and_ redirects all ports explicitly - this is valid
3920 * usage, -nographic is just a no-op in this case.
3921 */
3922 if (display_type == DT_NOGRAPHIC
3923 && (default_parallel || default_serial
3924 || default_monitor || default_virtcon)) {
3925 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3926 exit(1);
3927 }
3928 #ifdef CONFIG_CURSES
3929 if (display_type == DT_CURSES) {
3930 fprintf(stderr, "curses display can not be used with -daemonize\n");
3931 exit(1);
3932 }
3933 #endif
3934 }
3935
3936 if (display_type == DT_NOGRAPHIC) {
3937 if (default_parallel)
3938 add_device_config(DEV_PARALLEL, "null");
3939 if (default_serial && default_monitor) {
3940 add_device_config(DEV_SERIAL, "mon:stdio");
3941 } else if (default_virtcon && default_monitor) {
3942 add_device_config(DEV_VIRTCON, "mon:stdio");
3943 } else if (default_sclp && default_monitor) {
3944 add_device_config(DEV_SCLP, "mon:stdio");
3945 } else {
3946 if (default_serial)
3947 add_device_config(DEV_SERIAL, "stdio");
3948 if (default_virtcon)
3949 add_device_config(DEV_VIRTCON, "stdio");
3950 if (default_sclp) {
3951 add_device_config(DEV_SCLP, "stdio");
3952 }
3953 if (default_monitor)
3954 monitor_parse("stdio", "readline", false);
3955 }
3956 } else {
3957 if (default_serial)
3958 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3959 if (default_parallel)
3960 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3961 if (default_monitor)
3962 monitor_parse("vc:80Cx24C", "readline", false);
3963 if (default_virtcon)
3964 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3965 if (default_sclp) {
3966 add_device_config(DEV_SCLP, "vc:80Cx24C");
3967 }
3968 }
3969
3970 if (display_type == DT_DEFAULT && !display_remote) {
3971 #if defined(CONFIG_GTK)
3972 display_type = DT_GTK;
3973 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3974 display_type = DT_SDL;
3975 #elif defined(CONFIG_VNC)
3976 vnc_parse_func("localhost:0,to=99,id=default");
3977 show_vnc_port = 1;
3978 #else
3979 display_type = DT_NONE;
3980 #endif
3981 }
3982
3983 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3984 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3985 "for SDL, ignoring option\n");
3986 }
3987 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3988 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3989 "ignoring option\n");
3990 }
3991
3992 #if defined(CONFIG_GTK)
3993 if (display_type == DT_GTK) {
3994 early_gtk_display_init();
3995 }
3996 #endif
3997
3998 socket_init();
3999
4000 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4001 exit(1);
4002 #ifdef CONFIG_VIRTFS
4003 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4004 exit(1);
4005 }
4006 #endif
4007
4008 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4009 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4010 exit(1);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4014 != 0) {
4015 exit(0);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("object"),
4019 object_create, NULL, 0) != 0) {
4020 exit(1);
4021 }
4022
4023 machine_opts = qemu_get_machine_opts();
4024 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4025 1) < 0) {
4026 object_unref(OBJECT(current_machine));
4027 exit(1);
4028 }
4029
4030 configure_accelerator(current_machine);
4031
4032 if (qtest_chrdev) {
4033 Error *local_err = NULL;
4034 qtest_init(qtest_chrdev, qtest_log, &local_err);
4035 if (local_err) {
4036 error_report("%s", error_get_pretty(local_err));
4037 error_free(local_err);
4038 exit(1);
4039 }
4040 }
4041
4042 machine_opts = qemu_get_machine_opts();
4043 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4044 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4045 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4046 bios_name = qemu_opt_get(machine_opts, "firmware");
4047
4048 boot_order = machine_class->default_boot_order;
4049 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4050 if (opts) {
4051 char *normal_boot_order;
4052 const char *order, *once;
4053 Error *local_err = NULL;
4054
4055 order = qemu_opt_get(opts, "order");
4056 if (order) {
4057 validate_bootdevices(order, &local_err);
4058 if (local_err) {
4059 error_report("%s", error_get_pretty(local_err));
4060 exit(1);
4061 }
4062 boot_order = order;
4063 }
4064
4065 once = qemu_opt_get(opts, "once");
4066 if (once) {
4067 validate_bootdevices(once, &local_err);
4068 if (local_err) {
4069 error_report("%s", error_get_pretty(local_err));
4070 exit(1);
4071 }
4072 normal_boot_order = g_strdup(boot_order);
4073 boot_order = once;
4074 qemu_register_reset(restore_boot_order, normal_boot_order);
4075 }
4076
4077 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4078 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4079 }
4080
4081 if (!kernel_cmdline) {
4082 kernel_cmdline = "";
4083 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4084 }
4085
4086 linux_boot = (kernel_filename != NULL);
4087
4088 if (!linux_boot && *kernel_cmdline != '\0') {
4089 fprintf(stderr, "-append only allowed with -kernel option\n");
4090 exit(1);
4091 }
4092
4093 if (!linux_boot && initrd_filename != NULL) {
4094 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4095 exit(1);
4096 }
4097
4098 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4099 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4100 exit(1);
4101 }
4102
4103 os_set_line_buffering();
4104
4105 qemu_init_cpu_loop();
4106 qemu_mutex_lock_iothread();
4107
4108 #ifdef CONFIG_SPICE
4109 /* spice needs the timers to be initialized by this point */
4110 qemu_spice_init();
4111 #endif
4112
4113 cpu_ticks_init();
4114 if (icount_opts) {
4115 if (kvm_enabled() || xen_enabled()) {
4116 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4117 exit(1);
4118 }
4119 configure_icount(icount_opts, &error_abort);
4120 qemu_opts_del(icount_opts);
4121 }
4122
4123 /* clean up network at qemu process termination */
4124 atexit(&net_cleanup);
4125
4126 if (net_init_clients() < 0) {
4127 exit(1);
4128 }
4129
4130 #ifdef CONFIG_TPM
4131 if (tpm_init() < 0) {
4132 exit(1);
4133 }
4134 #endif
4135
4136 /* init the bluetooth world */
4137 if (foreach_device_config(DEV_BT, bt_parse))
4138 exit(1);
4139
4140 if (!xen_enabled()) {
4141 /* On 32-bit hosts, QEMU is limited by virtual address space */
4142 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4143 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4144 exit(1);
4145 }
4146 }
4147
4148 blk_mig_init();
4149 ram_mig_init();
4150
4151 /* If the currently selected machine wishes to override the units-per-bus
4152 * property of its default HBA interface type, do so now. */
4153 if (machine_class->units_per_default_bus) {
4154 override_max_devs(machine_class->block_default_type,
4155 machine_class->units_per_default_bus);
4156 }
4157
4158 /* open the virtual block devices */
4159 if (snapshot)
4160 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4161 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4162 &machine_class->block_default_type, 1) != 0) {
4163 exit(1);
4164 }
4165
4166 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4167 CDROM_OPTS);
4168 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4169 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4170
4171 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4172 NULL, 1) != 0) {
4173 exit(1);
4174 }
4175
4176 set_numa_nodes();
4177
4178 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4179 exit(1);
4180 }
4181
4182 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4183 exit(1);
4184 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4185 exit(1);
4186 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4187 exit(1);
4188 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4189 exit(1);
4190 }
4191 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4192 exit(1);
4193
4194 /* If no default VGA is requested, the default is "none". */
4195 if (default_vga) {
4196 if (machine_class->default_display) {
4197 vga_model = machine_class->default_display;
4198 } else if (cirrus_vga_available()) {
4199 vga_model = "cirrus";
4200 } else if (vga_available()) {
4201 vga_model = "std";
4202 }
4203 }
4204 if (vga_model) {
4205 select_vgahw(vga_model);
4206 }
4207
4208 if (watchdog) {
4209 i = select_watchdog(watchdog);
4210 if (i > 0)
4211 exit (i == 1 ? 1 : 0);
4212 }
4213
4214 if (machine_class->compat_props) {
4215 qdev_prop_register_global_list(machine_class->compat_props);
4216 }
4217 qemu_add_globals();
4218
4219 qdev_machine_init();
4220
4221 current_machine->ram_size = ram_size;
4222 current_machine->maxram_size = maxram_size;
4223 current_machine->ram_slots = ram_slots;
4224 current_machine->boot_order = boot_order;
4225 current_machine->cpu_model = cpu_model;
4226
4227 machine_class->init(current_machine);
4228
4229 realtime_init();
4230
4231 audio_init();
4232
4233 cpu_synchronize_all_post_init();
4234
4235 set_numa_modes();
4236
4237 /* init USB devices */
4238 if (usb_enabled()) {
4239 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4240 exit(1);
4241 }
4242
4243 /* init generic devices */
4244 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4245 exit(1);
4246
4247 /* Did we create any drives that we failed to create a device for? */
4248 drive_check_orphaned();
4249
4250 net_check_clients();
4251
4252 ds = init_displaystate();
4253
4254 /* init local displays */
4255 switch (display_type) {
4256 case DT_NOGRAPHIC:
4257 (void)ds; /* avoid warning if no display is configured */
4258 break;
4259 #if defined(CONFIG_CURSES)
4260 case DT_CURSES:
4261 curses_display_init(ds, full_screen);
4262 break;
4263 #endif
4264 #if defined(CONFIG_SDL)
4265 case DT_SDL:
4266 sdl_display_init(ds, full_screen, no_frame);
4267 break;
4268 #elif defined(CONFIG_COCOA)
4269 case DT_SDL:
4270 cocoa_display_init(ds, full_screen);
4271 break;
4272 #endif
4273 #if defined(CONFIG_GTK)
4274 case DT_GTK:
4275 gtk_display_init(ds, full_screen, grab_on_hover);
4276 break;
4277 #endif
4278 default:
4279 break;
4280 }
4281
4282 /* must be after terminal init, SDL library changes signal handlers */
4283 os_setup_signal_handling();
4284
4285 #ifdef CONFIG_VNC
4286 /* init remote displays */
4287 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4288 if (show_vnc_port) {
4289 printf("VNC server running on `%s'\n",
4290 vnc_display_local_addr("default"));
4291 }
4292 #endif
4293 #ifdef CONFIG_SPICE
4294 if (using_spice) {
4295 qemu_spice_display_init();
4296 }
4297 #endif
4298
4299 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4300 exit(1);
4301 }
4302
4303 qdev_machine_creation_done();
4304
4305 if (rom_load_all() != 0) {
4306 fprintf(stderr, "rom loading failed\n");
4307 exit(1);
4308 }
4309
4310 /* TODO: once all bus devices are qdevified, this should be done
4311 * when bus is created by qdev.c */
4312 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4313 qemu_run_machine_init_done_notifiers();
4314
4315 /* Done notifiers can load ROMs */
4316 rom_load_done();
4317
4318 qemu_system_reset(VMRESET_SILENT);
4319 if (loadvm) {
4320 if (load_vmstate(loadvm) < 0) {
4321 autostart = 0;
4322 }
4323 }
4324
4325 qdev_prop_check_globals();
4326 if (vmstate_dump_file) {
4327 /* dump and exit */
4328 dump_vmstate_json_to_file(vmstate_dump_file);
4329 return 0;
4330 }
4331
4332 if (incoming) {
4333 Error *local_err = NULL;
4334 qemu_start_incoming_migration(incoming, &local_err);
4335 if (local_err) {
4336 error_report("-incoming %s: %s", incoming,
4337 error_get_pretty(local_err));
4338 error_free(local_err);
4339 exit(1);
4340 }
4341 } else if (autostart) {
4342 vm_start();
4343 }
4344
4345 os_setup_post();
4346
4347 if (is_daemonized()) {
4348 if (!trace_init_backends(trace_events, trace_file)) {
4349 exit(1);
4350 }
4351 }
4352
4353 main_loop();
4354 bdrv_close_all();
4355 pause_all_vcpus();
4356 res_free();
4357 #ifdef CONFIG_TPM
4358 tpm_cleanup();
4359 #endif
4360
4361 return 0;
4362 }
QEmu