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kvm: accept non-mapped memory in kvm_dirty_pages_log_change
[qemu/ar7.git] / vl.c
blobcdd81b448640a710fe5e4efc582a9db02ea6139c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 int request_opengl = -1;
132 int display_opengl;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_trace_opts = {
268 .name = "trace",
269 .implied_opt_name = "trace",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .desc = {
272 {
273 .name = "events",
274 .type = QEMU_OPT_STRING,
275 },{
276 .name = "file",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_option_rom_opts = {
284 .name = "option-rom",
285 .implied_opt_name = "romfile",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
287 .desc = {
288 {
289 .name = "bootindex",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "romfile",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_machine_opts = {
300 .name = "machine",
301 .implied_opt_name = "type",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
304 .desc = {
305 /*
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
309 */
310 { }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_msg_opts = {
399 .name = "msg",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
401 .desc = {
402 {
403 .name = "timestamp",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_name_opts = {
411 .name = "name",
412 .implied_opt_name = "guest",
413 .merge_lists = true,
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
415 .desc = {
416 {
417 .name = "guest",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
422 }, {
423 .name = "process",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the QEMU process, as shown in top etc",
426 }, {
427 .name = "debug-threads",
428 .type = QEMU_OPT_BOOL,
429 .help = "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
431 "stable API.",
432 },
433 { /* End of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_mem_opts = {
438 .name = "memory",
439 .implied_opt_name = "size",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
441 .merge_lists = true,
442 .desc = {
443 {
444 .name = "size",
445 .type = QEMU_OPT_SIZE,
446 },
447 {
448 .name = "slots",
449 .type = QEMU_OPT_NUMBER,
450 },
451 {
452 .name = "maxmem",
453 .type = QEMU_OPT_SIZE,
454 },
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_icount_opts = {
460 .name = "icount",
461 .implied_opt_name = "shift",
462 .merge_lists = true,
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
464 .desc = {
465 {
466 .name = "shift",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "align",
470 .type = QEMU_OPT_BOOL,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_semihosting_config_opts = {
477 .name = "semihosting-config",
478 .implied_opt_name = "enable",
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
480 .desc = {
481 {
482 .name = "enable",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "target",
486 .type = QEMU_OPT_STRING,
487 },
488 { /* end of list */ }
489 },
490 };
491
492 /**
493 * Get machine options
494 *
495 * Returns: machine options (never null).
496 */
497 QemuOpts *qemu_get_machine_opts(void)
498 {
499 return qemu_find_opts_singleton("machine");
500 }
501
502 const char *qemu_get_vm_name(void)
503 {
504 return qemu_name;
505 }
506
507 static void res_free(void)
508 {
509 if (boot_splash_filedata != NULL) {
510 g_free(boot_splash_filedata);
511 boot_splash_filedata = NULL;
512 }
513 }
514
515 static int default_driver_check(QemuOpts *opts, void *opaque)
516 {
517 const char *driver = qemu_opt_get(opts, "driver");
518 int i;
519
520 if (!driver)
521 return 0;
522 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
523 if (strcmp(default_list[i].driver, driver) != 0)
524 continue;
525 *(default_list[i].flag) = 0;
526 }
527 return 0;
528 }
529
530 /***********************************************************/
531 /* QEMU state */
532
533 static RunState current_run_state = RUN_STATE_PRELAUNCH;
534
535 /* We use RUN_STATE_MAX but any invalid value will do */
536 static RunState vmstop_requested = RUN_STATE_MAX;
537 static QemuMutex vmstop_lock;
538
539 typedef struct {
540 RunState from;
541 RunState to;
542 } RunStateTransition;
543
544 static const RunStateTransition runstate_transitions_def[] = {
545 /* from -> to */
546 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
547 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
548
549 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
550 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
551
552 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
556 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
559 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
565 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
567
568 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
570
571 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
572
573 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
574 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
575 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
577 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
578 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
579 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
581 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
582 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
583
584 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
585
586 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
587 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
590 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
591 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
592 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
593
594 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
595 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_MAX, RUN_STATE_MAX },
601 };
602
603 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
604
605 bool runstate_check(RunState state)
606 {
607 return current_run_state == state;
608 }
609
610 static void runstate_init(void)
611 {
612 const RunStateTransition *p;
613
614 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
615 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
616 runstate_valid_transitions[p->from][p->to] = true;
617 }
618
619 qemu_mutex_init(&vmstop_lock);
620 }
621
622 /* This function will abort() on invalid state transitions */
623 void runstate_set(RunState new_state)
624 {
625 assert(new_state < RUN_STATE_MAX);
626
627 if (!runstate_valid_transitions[current_run_state][new_state]) {
628 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
629 RunState_lookup[current_run_state],
630 RunState_lookup[new_state]);
631 abort();
632 }
633 trace_runstate_set(new_state);
634 current_run_state = new_state;
635 }
636
637 int runstate_is_running(void)
638 {
639 return runstate_check(RUN_STATE_RUNNING);
640 }
641
642 bool runstate_needs_reset(void)
643 {
644 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
645 runstate_check(RUN_STATE_SHUTDOWN);
646 }
647
648 StatusInfo *qmp_query_status(Error **errp)
649 {
650 StatusInfo *info = g_malloc0(sizeof(*info));
651
652 info->running = runstate_is_running();
653 info->singlestep = singlestep;
654 info->status = current_run_state;
655
656 return info;
657 }
658
659 static bool qemu_vmstop_requested(RunState *r)
660 {
661 qemu_mutex_lock(&vmstop_lock);
662 *r = vmstop_requested;
663 vmstop_requested = RUN_STATE_MAX;
664 qemu_mutex_unlock(&vmstop_lock);
665 return *r < RUN_STATE_MAX;
666 }
667
668 void qemu_system_vmstop_request_prepare(void)
669 {
670 qemu_mutex_lock(&vmstop_lock);
671 }
672
673 void qemu_system_vmstop_request(RunState state)
674 {
675 vmstop_requested = state;
676 qemu_mutex_unlock(&vmstop_lock);
677 qemu_notify_event();
678 }
679
680 void vm_start(void)
681 {
682 RunState requested;
683
684 qemu_vmstop_requested(&requested);
685 if (runstate_is_running() && requested == RUN_STATE_MAX) {
686 return;
687 }
688
689 /* Ensure that a STOP/RESUME pair of events is emitted if a
690 * vmstop request was pending. The BLOCK_IO_ERROR event, for
691 * example, according to documentation is always followed by
692 * the STOP event.
693 */
694 if (runstate_is_running()) {
695 qapi_event_send_stop(&error_abort);
696 } else {
697 cpu_enable_ticks();
698 runstate_set(RUN_STATE_RUNNING);
699 vm_state_notify(1, RUN_STATE_RUNNING);
700 resume_all_vcpus();
701 }
702
703 qapi_event_send_resume(&error_abort);
704 }
705
706
707 /***********************************************************/
708 /* real time host monotonic timer */
709
710 static time_t qemu_time(void)
711 {
712 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
713 }
714
715 /***********************************************************/
716 /* host time/date access */
717 void qemu_get_timedate(struct tm *tm, int offset)
718 {
719 time_t ti = qemu_time();
720
721 ti += offset;
722 if (rtc_date_offset == -1) {
723 if (rtc_utc)
724 gmtime_r(&ti, tm);
725 else
726 localtime_r(&ti, tm);
727 } else {
728 ti -= rtc_date_offset;
729 gmtime_r(&ti, tm);
730 }
731 }
732
733 int qemu_timedate_diff(struct tm *tm)
734 {
735 time_t seconds;
736
737 if (rtc_date_offset == -1)
738 if (rtc_utc)
739 seconds = mktimegm(tm);
740 else {
741 struct tm tmp = *tm;
742 tmp.tm_isdst = -1; /* use timezone to figure it out */
743 seconds = mktime(&tmp);
744 }
745 else
746 seconds = mktimegm(tm) + rtc_date_offset;
747
748 return seconds - qemu_time();
749 }
750
751 static void configure_rtc_date_offset(const char *startdate, int legacy)
752 {
753 time_t rtc_start_date;
754 struct tm tm;
755
756 if (!strcmp(startdate, "now") && legacy) {
757 rtc_date_offset = -1;
758 } else {
759 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
760 &tm.tm_year,
761 &tm.tm_mon,
762 &tm.tm_mday,
763 &tm.tm_hour,
764 &tm.tm_min,
765 &tm.tm_sec) == 6) {
766 /* OK */
767 } else if (sscanf(startdate, "%d-%d-%d",
768 &tm.tm_year,
769 &tm.tm_mon,
770 &tm.tm_mday) == 3) {
771 tm.tm_hour = 0;
772 tm.tm_min = 0;
773 tm.tm_sec = 0;
774 } else {
775 goto date_fail;
776 }
777 tm.tm_year -= 1900;
778 tm.tm_mon--;
779 rtc_start_date = mktimegm(&tm);
780 if (rtc_start_date == -1) {
781 date_fail:
782 fprintf(stderr, "Invalid date format. Valid formats are:\n"
783 "'2006-06-17T16:01:21' or '2006-06-17'\n");
784 exit(1);
785 }
786 rtc_date_offset = qemu_time() - rtc_start_date;
787 }
788 }
789
790 static void configure_rtc(QemuOpts *opts)
791 {
792 const char *value;
793
794 value = qemu_opt_get(opts, "base");
795 if (value) {
796 if (!strcmp(value, "utc")) {
797 rtc_utc = 1;
798 } else if (!strcmp(value, "localtime")) {
799 rtc_utc = 0;
800 } else {
801 configure_rtc_date_offset(value, 0);
802 }
803 }
804 value = qemu_opt_get(opts, "clock");
805 if (value) {
806 if (!strcmp(value, "host")) {
807 rtc_clock = QEMU_CLOCK_HOST;
808 } else if (!strcmp(value, "rt")) {
809 rtc_clock = QEMU_CLOCK_REALTIME;
810 } else if (!strcmp(value, "vm")) {
811 rtc_clock = QEMU_CLOCK_VIRTUAL;
812 } else {
813 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
814 exit(1);
815 }
816 }
817 value = qemu_opt_get(opts, "driftfix");
818 if (value) {
819 if (!strcmp(value, "slew")) {
820 static GlobalProperty slew_lost_ticks[] = {
821 {
822 .driver = "mc146818rtc",
823 .property = "lost_tick_policy",
824 .value = "slew",
825 },
826 { /* end of list */ }
827 };
828
829 qdev_prop_register_global_list(slew_lost_ticks);
830 } else if (!strcmp(value, "none")) {
831 /* discard is default */
832 } else {
833 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
834 exit(1);
835 }
836 }
837 }
838
839 /***********************************************************/
840 /* Bluetooth support */
841 static int nb_hcis;
842 static int cur_hci;
843 static struct HCIInfo *hci_table[MAX_NICS];
844
845 struct HCIInfo *qemu_next_hci(void)
846 {
847 if (cur_hci == nb_hcis)
848 return &null_hci;
849
850 return hci_table[cur_hci++];
851 }
852
853 static int bt_hci_parse(const char *str)
854 {
855 struct HCIInfo *hci;
856 bdaddr_t bdaddr;
857
858 if (nb_hcis >= MAX_NICS) {
859 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
860 return -1;
861 }
862
863 hci = hci_init(str);
864 if (!hci)
865 return -1;
866
867 bdaddr.b[0] = 0x52;
868 bdaddr.b[1] = 0x54;
869 bdaddr.b[2] = 0x00;
870 bdaddr.b[3] = 0x12;
871 bdaddr.b[4] = 0x34;
872 bdaddr.b[5] = 0x56 + nb_hcis;
873 hci->bdaddr_set(hci, bdaddr.b);
874
875 hci_table[nb_hcis++] = hci;
876
877 return 0;
878 }
879
880 static void bt_vhci_add(int vlan_id)
881 {
882 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
883
884 if (!vlan->slave)
885 fprintf(stderr, "qemu: warning: adding a VHCI to "
886 "an empty scatternet %i\n", vlan_id);
887
888 bt_vhci_init(bt_new_hci(vlan));
889 }
890
891 static struct bt_device_s *bt_device_add(const char *opt)
892 {
893 struct bt_scatternet_s *vlan;
894 int vlan_id = 0;
895 char *endp = strstr(opt, ",vlan=");
896 int len = (endp ? endp - opt : strlen(opt)) + 1;
897 char devname[10];
898
899 pstrcpy(devname, MIN(sizeof(devname), len), opt);
900
901 if (endp) {
902 vlan_id = strtol(endp + 6, &endp, 0);
903 if (*endp) {
904 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
905 return 0;
906 }
907 }
908
909 vlan = qemu_find_bt_vlan(vlan_id);
910
911 if (!vlan->slave)
912 fprintf(stderr, "qemu: warning: adding a slave device to "
913 "an empty scatternet %i\n", vlan_id);
914
915 if (!strcmp(devname, "keyboard"))
916 return bt_keyboard_init(vlan);
917
918 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
919 return 0;
920 }
921
922 static int bt_parse(const char *opt)
923 {
924 const char *endp, *p;
925 int vlan;
926
927 if (strstart(opt, "hci", &endp)) {
928 if (!*endp || *endp == ',') {
929 if (*endp)
930 if (!strstart(endp, ",vlan=", 0))
931 opt = endp + 1;
932
933 return bt_hci_parse(opt);
934 }
935 } else if (strstart(opt, "vhci", &endp)) {
936 if (!*endp || *endp == ',') {
937 if (*endp) {
938 if (strstart(endp, ",vlan=", &p)) {
939 vlan = strtol(p, (char **) &endp, 0);
940 if (*endp) {
941 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
942 return 1;
943 }
944 } else {
945 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
946 return 1;
947 }
948 } else
949 vlan = 0;
950
951 bt_vhci_add(vlan);
952 return 0;
953 }
954 } else if (strstart(opt, "device:", &endp))
955 return !bt_device_add(endp);
956
957 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
958 return 1;
959 }
960
961 static int parse_sandbox(QemuOpts *opts, void *opaque)
962 {
963 /* FIXME: change this to true for 1.3 */
964 if (qemu_opt_get_bool(opts, "enable", false)) {
965 #ifdef CONFIG_SECCOMP
966 if (seccomp_start() < 0) {
967 qerror_report(ERROR_CLASS_GENERIC_ERROR,
968 "failed to install seccomp syscall filter in the kernel");
969 return -1;
970 }
971 #else
972 qerror_report(ERROR_CLASS_GENERIC_ERROR,
973 "sandboxing request but seccomp is not compiled into this build");
974 return -1;
975 #endif
976 }
977
978 return 0;
979 }
980
981 static int parse_name(QemuOpts *opts, void *opaque)
982 {
983 const char *proc_name;
984
985 if (qemu_opt_get(opts, "debug-threads")) {
986 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
987 }
988 qemu_name = qemu_opt_get(opts, "guest");
989
990 proc_name = qemu_opt_get(opts, "process");
991 if (proc_name) {
992 os_set_proc_name(proc_name);
993 }
994
995 return 0;
996 }
997
998 bool defaults_enabled(void)
999 {
1000 return has_defaults;
1001 }
1002
1003 bool usb_enabled(void)
1004 {
1005 return machine_usb(current_machine);
1006 }
1007
1008 #ifndef _WIN32
1009 static int parse_add_fd(QemuOpts *opts, void *opaque)
1010 {
1011 int fd, dupfd, flags;
1012 int64_t fdset_id;
1013 const char *fd_opaque = NULL;
1014 AddfdInfo *fdinfo;
1015
1016 fd = qemu_opt_get_number(opts, "fd", -1);
1017 fdset_id = qemu_opt_get_number(opts, "set", -1);
1018 fd_opaque = qemu_opt_get(opts, "opaque");
1019
1020 if (fd < 0) {
1021 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1022 "fd option is required and must be non-negative");
1023 return -1;
1024 }
1025
1026 if (fd <= STDERR_FILENO) {
1027 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1028 "fd cannot be a standard I/O stream");
1029 return -1;
1030 }
1031
1032 /*
1033 * All fds inherited across exec() necessarily have FD_CLOEXEC
1034 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1035 */
1036 flags = fcntl(fd, F_GETFD);
1037 if (flags == -1 || (flags & FD_CLOEXEC)) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "fd is not valid or already in use");
1040 return -1;
1041 }
1042
1043 if (fdset_id < 0) {
1044 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1045 "set option is required and must be non-negative");
1046 return -1;
1047 }
1048
1049 #ifdef F_DUPFD_CLOEXEC
1050 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1051 #else
1052 dupfd = dup(fd);
1053 if (dupfd != -1) {
1054 qemu_set_cloexec(dupfd);
1055 }
1056 #endif
1057 if (dupfd == -1) {
1058 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1059 "Error duplicating fd: %s", strerror(errno));
1060 return -1;
1061 }
1062
1063 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1064 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1065 &error_abort);
1066 g_free(fdinfo);
1067
1068 return 0;
1069 }
1070
1071 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1072 {
1073 int fd;
1074
1075 fd = qemu_opt_get_number(opts, "fd", -1);
1076 close(fd);
1077
1078 return 0;
1079 }
1080 #endif
1081
1082 /***********************************************************/
1083 /* QEMU Block devices */
1084
1085 #define HD_OPTS "media=disk"
1086 #define CDROM_OPTS "media=cdrom"
1087 #define FD_OPTS ""
1088 #define PFLASH_OPTS ""
1089 #define MTD_OPTS ""
1090 #define SD_OPTS ""
1091
1092 static int drive_init_func(QemuOpts *opts, void *opaque)
1093 {
1094 BlockInterfaceType *block_default_type = opaque;
1095
1096 return drive_new(opts, *block_default_type) == NULL;
1097 }
1098
1099 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1100 {
1101 if (qemu_opt_get(opts, "snapshot") == NULL) {
1102 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1103 }
1104 return 0;
1105 }
1106
1107 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1108 int index, const char *optstr)
1109 {
1110 QemuOpts *opts;
1111 DriveInfo *dinfo;
1112
1113 if (!enable || drive_get_by_index(type, index)) {
1114 return;
1115 }
1116
1117 opts = drive_add(type, index, NULL, optstr);
1118 if (snapshot) {
1119 drive_enable_snapshot(opts, NULL);
1120 }
1121
1122 dinfo = drive_new(opts, type);
1123 if (!dinfo) {
1124 exit(1);
1125 }
1126 dinfo->is_default = true;
1127
1128 }
1129
1130 static QemuOptsList qemu_smp_opts = {
1131 .name = "smp-opts",
1132 .implied_opt_name = "cpus",
1133 .merge_lists = true,
1134 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1135 .desc = {
1136 {
1137 .name = "cpus",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "sockets",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "cores",
1144 .type = QEMU_OPT_NUMBER,
1145 }, {
1146 .name = "threads",
1147 .type = QEMU_OPT_NUMBER,
1148 }, {
1149 .name = "maxcpus",
1150 .type = QEMU_OPT_NUMBER,
1151 },
1152 { /*End of list */ }
1153 },
1154 };
1155
1156 static void smp_parse(QemuOpts *opts)
1157 {
1158 if (opts) {
1159
1160 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1161 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1162 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1163 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1164
1165 /* compute missing values, prefer sockets over cores over threads */
1166 if (cpus == 0 || sockets == 0) {
1167 sockets = sockets > 0 ? sockets : 1;
1168 cores = cores > 0 ? cores : 1;
1169 threads = threads > 0 ? threads : 1;
1170 if (cpus == 0) {
1171 cpus = cores * threads * sockets;
1172 }
1173 } else if (cores == 0) {
1174 threads = threads > 0 ? threads : 1;
1175 cores = cpus / (sockets * threads);
1176 } else if (threads == 0) {
1177 threads = cpus / (cores * sockets);
1178 } else if (sockets * cores * threads < cpus) {
1179 fprintf(stderr, "cpu topology: error: "
1180 "sockets (%u) * cores (%u) * threads (%u) < "
1181 "smp_cpus (%u)\n",
1182 sockets, cores, threads, cpus);
1183 exit(1);
1184 }
1185
1186 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1187
1188 smp_cpus = cpus;
1189 smp_cores = cores > 0 ? cores : 1;
1190 smp_threads = threads > 0 ? threads : 1;
1191
1192 }
1193
1194 if (max_cpus == 0) {
1195 max_cpus = smp_cpus;
1196 }
1197
1198 if (max_cpus > MAX_CPUMASK_BITS) {
1199 fprintf(stderr, "Unsupported number of maxcpus\n");
1200 exit(1);
1201 }
1202 if (max_cpus < smp_cpus) {
1203 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1204 exit(1);
1205 }
1206
1207 }
1208
1209 static void realtime_init(void)
1210 {
1211 if (enable_mlock) {
1212 if (os_mlock() < 0) {
1213 fprintf(stderr, "qemu: locking memory failed\n");
1214 exit(1);
1215 }
1216 }
1217 }
1218
1219
1220 static void configure_msg(QemuOpts *opts)
1221 {
1222 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1223 }
1224
1225 /***********************************************************/
1226 /* USB devices */
1227
1228 static int usb_device_add(const char *devname)
1229 {
1230 USBDevice *dev = NULL;
1231 #ifndef CONFIG_LINUX
1232 const char *p;
1233 #endif
1234
1235 if (!usb_enabled()) {
1236 return -1;
1237 }
1238
1239 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1240 dev = usbdevice_create(devname);
1241 if (dev)
1242 goto done;
1243
1244 /* the other ones */
1245 #ifndef CONFIG_LINUX
1246 /* only the linux version is qdev-ified, usb-bsd still needs this */
1247 if (strstart(devname, "host:", &p)) {
1248 dev = usb_host_device_open(usb_bus_find(-1), p);
1249 }
1250 #endif
1251 if (!dev)
1252 return -1;
1253
1254 done:
1255 return 0;
1256 }
1257
1258 static int usb_device_del(const char *devname)
1259 {
1260 int bus_num, addr;
1261 const char *p;
1262
1263 if (strstart(devname, "host:", &p)) {
1264 return -1;
1265 }
1266
1267 if (!usb_enabled()) {
1268 return -1;
1269 }
1270
1271 p = strchr(devname, '.');
1272 if (!p)
1273 return -1;
1274 bus_num = strtoul(devname, NULL, 0);
1275 addr = strtoul(p + 1, NULL, 0);
1276
1277 return usb_device_delete_addr(bus_num, addr);
1278 }
1279
1280 static int usb_parse(const char *cmdline)
1281 {
1282 int r;
1283 r = usb_device_add(cmdline);
1284 if (r < 0) {
1285 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1286 }
1287 return r;
1288 }
1289
1290 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1291 {
1292 const char *devname = qdict_get_str(qdict, "devname");
1293 if (usb_device_add(devname) < 0) {
1294 error_report("could not add USB device '%s'", devname);
1295 }
1296 }
1297
1298 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1299 {
1300 const char *devname = qdict_get_str(qdict, "devname");
1301 if (usb_device_del(devname) < 0) {
1302 error_report("could not delete USB device '%s'", devname);
1303 }
1304 }
1305
1306 /***********************************************************/
1307 /* machine registration */
1308
1309 MachineState *current_machine;
1310
1311 /*
1312 * Transitional class registration/init used for converting from
1313 * legacy QEMUMachine to MachineClass.
1314 */
1315 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1316 {
1317 MachineClass *mc = MACHINE_CLASS(oc);
1318 QEMUMachine *qm = data;
1319 mc->name = qm->name;
1320 mc->desc = qm->desc;
1321 mc->init = qm->init;
1322 mc->kvm_type = qm->kvm_type;
1323 mc->block_default_type = qm->block_default_type;
1324 mc->max_cpus = qm->max_cpus;
1325 mc->no_sdcard = qm->no_sdcard;
1326 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1327 mc->is_default = qm->is_default;
1328 mc->default_machine_opts = qm->default_machine_opts;
1329 mc->default_boot_order = qm->default_boot_order;
1330 }
1331
1332 int qemu_register_machine(QEMUMachine *m)
1333 {
1334 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1335 TypeInfo ti = {
1336 .name = name,
1337 .parent = TYPE_MACHINE,
1338 .class_init = qemu_machine_class_init,
1339 .class_data = (void *)m,
1340 };
1341
1342 type_register(&ti);
1343 g_free(name);
1344
1345 return 0;
1346 }
1347
1348 static MachineClass *find_machine(const char *name)
1349 {
1350 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1351 MachineClass *mc = NULL;
1352
1353 for (el = machines; el; el = el->next) {
1354 MachineClass *temp = el->data;
1355
1356 if (!strcmp(temp->name, name)) {
1357 mc = temp;
1358 break;
1359 }
1360 if (temp->alias &&
1361 !strcmp(temp->alias, name)) {
1362 mc = temp;
1363 break;
1364 }
1365 }
1366
1367 g_slist_free(machines);
1368 return mc;
1369 }
1370
1371 MachineClass *find_default_machine(void)
1372 {
1373 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1374 MachineClass *mc = NULL;
1375
1376 for (el = machines; el; el = el->next) {
1377 MachineClass *temp = el->data;
1378
1379 if (temp->is_default) {
1380 mc = temp;
1381 break;
1382 }
1383 }
1384
1385 g_slist_free(machines);
1386 return mc;
1387 }
1388
1389 MachineInfoList *qmp_query_machines(Error **errp)
1390 {
1391 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1392 MachineInfoList *mach_list = NULL;
1393
1394 for (el = machines; el; el = el->next) {
1395 MachineClass *mc = el->data;
1396 MachineInfoList *entry;
1397 MachineInfo *info;
1398
1399 info = g_malloc0(sizeof(*info));
1400 if (mc->is_default) {
1401 info->has_is_default = true;
1402 info->is_default = true;
1403 }
1404
1405 if (mc->alias) {
1406 info->has_alias = true;
1407 info->alias = g_strdup(mc->alias);
1408 }
1409
1410 info->name = g_strdup(mc->name);
1411 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1412
1413 entry = g_malloc0(sizeof(*entry));
1414 entry->value = info;
1415 entry->next = mach_list;
1416 mach_list = entry;
1417 }
1418
1419 g_slist_free(machines);
1420 return mach_list;
1421 }
1422
1423 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1424 {
1425 ObjectProperty *prop;
1426
1427 if (!qemu_opt_has_help_opt(opts)) {
1428 return 0;
1429 }
1430
1431 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1432 if (!prop->set) {
1433 continue;
1434 }
1435
1436 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1437 prop->name, prop->type);
1438 if (prop->description) {
1439 error_printf(" (%s)\n", prop->description);
1440 } else {
1441 error_printf("\n");
1442 }
1443 }
1444
1445 return 1;
1446 }
1447
1448 /***********************************************************/
1449 /* main execution loop */
1450
1451 struct vm_change_state_entry {
1452 VMChangeStateHandler *cb;
1453 void *opaque;
1454 QLIST_ENTRY (vm_change_state_entry) entries;
1455 };
1456
1457 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1458
1459 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1460 void *opaque)
1461 {
1462 VMChangeStateEntry *e;
1463
1464 e = g_malloc0(sizeof (*e));
1465
1466 e->cb = cb;
1467 e->opaque = opaque;
1468 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1469 return e;
1470 }
1471
1472 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1473 {
1474 QLIST_REMOVE (e, entries);
1475 g_free (e);
1476 }
1477
1478 void vm_state_notify(int running, RunState state)
1479 {
1480 VMChangeStateEntry *e, *next;
1481
1482 trace_vm_state_notify(running, state);
1483
1484 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1485 e->cb(e->opaque, running, state);
1486 }
1487 }
1488
1489 /* reset/shutdown handler */
1490
1491 typedef struct QEMUResetEntry {
1492 QTAILQ_ENTRY(QEMUResetEntry) entry;
1493 QEMUResetHandler *func;
1494 void *opaque;
1495 } QEMUResetEntry;
1496
1497 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1498 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1499 static int reset_requested;
1500 static int shutdown_requested, shutdown_signal = -1;
1501 static pid_t shutdown_pid;
1502 static int powerdown_requested;
1503 static int debug_requested;
1504 static int suspend_requested;
1505 static WakeupReason wakeup_reason;
1506 static NotifierList powerdown_notifiers =
1507 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1508 static NotifierList suspend_notifiers =
1509 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1510 static NotifierList wakeup_notifiers =
1511 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1512 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1513
1514 int qemu_shutdown_requested_get(void)
1515 {
1516 return shutdown_requested;
1517 }
1518
1519 int qemu_reset_requested_get(void)
1520 {
1521 return reset_requested;
1522 }
1523
1524 static int qemu_shutdown_requested(void)
1525 {
1526 return atomic_xchg(&shutdown_requested, 0);
1527 }
1528
1529 static void qemu_kill_report(void)
1530 {
1531 if (!qtest_driver() && shutdown_signal != -1) {
1532 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1533 if (shutdown_pid == 0) {
1534 /* This happens for eg ^C at the terminal, so it's worth
1535 * avoiding printing an odd message in that case.
1536 */
1537 fputc('\n', stderr);
1538 } else {
1539 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1540 }
1541 shutdown_signal = -1;
1542 }
1543 }
1544
1545 static int qemu_reset_requested(void)
1546 {
1547 int r = reset_requested;
1548 reset_requested = 0;
1549 return r;
1550 }
1551
1552 static int qemu_suspend_requested(void)
1553 {
1554 int r = suspend_requested;
1555 suspend_requested = 0;
1556 return r;
1557 }
1558
1559 static WakeupReason qemu_wakeup_requested(void)
1560 {
1561 return wakeup_reason;
1562 }
1563
1564 static int qemu_powerdown_requested(void)
1565 {
1566 int r = powerdown_requested;
1567 powerdown_requested = 0;
1568 return r;
1569 }
1570
1571 static int qemu_debug_requested(void)
1572 {
1573 int r = debug_requested;
1574 debug_requested = 0;
1575 return r;
1576 }
1577
1578 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1579 {
1580 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1581
1582 re->func = func;
1583 re->opaque = opaque;
1584 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1585 }
1586
1587 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1588 {
1589 QEMUResetEntry *re;
1590
1591 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1592 if (re->func == func && re->opaque == opaque) {
1593 QTAILQ_REMOVE(&reset_handlers, re, entry);
1594 g_free(re);
1595 return;
1596 }
1597 }
1598 }
1599
1600 void qemu_devices_reset(void)
1601 {
1602 QEMUResetEntry *re, *nre;
1603
1604 /* reset all devices */
1605 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1606 re->func(re->opaque);
1607 }
1608 }
1609
1610 void qemu_system_reset(bool report)
1611 {
1612 MachineClass *mc;
1613
1614 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1615
1616 if (mc && mc->reset) {
1617 mc->reset();
1618 } else {
1619 qemu_devices_reset();
1620 }
1621 if (report) {
1622 qapi_event_send_reset(&error_abort);
1623 }
1624 cpu_synchronize_all_post_reset();
1625 }
1626
1627 void qemu_system_reset_request(void)
1628 {
1629 if (no_reboot) {
1630 shutdown_requested = 1;
1631 } else {
1632 reset_requested = 1;
1633 }
1634 cpu_stop_current();
1635 qemu_notify_event();
1636 }
1637
1638 static void qemu_system_suspend(void)
1639 {
1640 pause_all_vcpus();
1641 notifier_list_notify(&suspend_notifiers, NULL);
1642 runstate_set(RUN_STATE_SUSPENDED);
1643 qapi_event_send_suspend(&error_abort);
1644 }
1645
1646 void qemu_system_suspend_request(void)
1647 {
1648 if (runstate_check(RUN_STATE_SUSPENDED)) {
1649 return;
1650 }
1651 suspend_requested = 1;
1652 cpu_stop_current();
1653 qemu_notify_event();
1654 }
1655
1656 void qemu_register_suspend_notifier(Notifier *notifier)
1657 {
1658 notifier_list_add(&suspend_notifiers, notifier);
1659 }
1660
1661 void qemu_system_wakeup_request(WakeupReason reason)
1662 {
1663 trace_system_wakeup_request(reason);
1664
1665 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1666 return;
1667 }
1668 if (!(wakeup_reason_mask & (1 << reason))) {
1669 return;
1670 }
1671 runstate_set(RUN_STATE_RUNNING);
1672 wakeup_reason = reason;
1673 qemu_notify_event();
1674 }
1675
1676 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1677 {
1678 if (enabled) {
1679 wakeup_reason_mask |= (1 << reason);
1680 } else {
1681 wakeup_reason_mask &= ~(1 << reason);
1682 }
1683 }
1684
1685 void qemu_register_wakeup_notifier(Notifier *notifier)
1686 {
1687 notifier_list_add(&wakeup_notifiers, notifier);
1688 }
1689
1690 void qemu_system_killed(int signal, pid_t pid)
1691 {
1692 shutdown_signal = signal;
1693 shutdown_pid = pid;
1694 no_shutdown = 0;
1695 qemu_system_shutdown_request();
1696 }
1697
1698 void qemu_system_shutdown_request(void)
1699 {
1700 trace_qemu_system_shutdown_request();
1701 shutdown_requested = 1;
1702 qemu_notify_event();
1703 }
1704
1705 static void qemu_system_powerdown(void)
1706 {
1707 qapi_event_send_powerdown(&error_abort);
1708 notifier_list_notify(&powerdown_notifiers, NULL);
1709 }
1710
1711 void qemu_system_powerdown_request(void)
1712 {
1713 trace_qemu_system_powerdown_request();
1714 powerdown_requested = 1;
1715 qemu_notify_event();
1716 }
1717
1718 void qemu_register_powerdown_notifier(Notifier *notifier)
1719 {
1720 notifier_list_add(&powerdown_notifiers, notifier);
1721 }
1722
1723 void qemu_system_debug_request(void)
1724 {
1725 debug_requested = 1;
1726 qemu_notify_event();
1727 }
1728
1729 static bool main_loop_should_exit(void)
1730 {
1731 RunState r;
1732 if (qemu_debug_requested()) {
1733 vm_stop(RUN_STATE_DEBUG);
1734 }
1735 if (qemu_suspend_requested()) {
1736 qemu_system_suspend();
1737 }
1738 if (qemu_shutdown_requested()) {
1739 qemu_kill_report();
1740 qapi_event_send_shutdown(&error_abort);
1741 if (no_shutdown) {
1742 vm_stop(RUN_STATE_SHUTDOWN);
1743 } else {
1744 return true;
1745 }
1746 }
1747 if (qemu_reset_requested()) {
1748 pause_all_vcpus();
1749 cpu_synchronize_all_states();
1750 qemu_system_reset(VMRESET_REPORT);
1751 resume_all_vcpus();
1752 if (runstate_needs_reset()) {
1753 runstate_set(RUN_STATE_PAUSED);
1754 }
1755 }
1756 if (qemu_wakeup_requested()) {
1757 pause_all_vcpus();
1758 cpu_synchronize_all_states();
1759 qemu_system_reset(VMRESET_SILENT);
1760 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1761 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1762 resume_all_vcpus();
1763 qapi_event_send_wakeup(&error_abort);
1764 }
1765 if (qemu_powerdown_requested()) {
1766 qemu_system_powerdown();
1767 }
1768 if (qemu_vmstop_requested(&r)) {
1769 vm_stop(r);
1770 }
1771 return false;
1772 }
1773
1774 static void main_loop(void)
1775 {
1776 bool nonblocking;
1777 int last_io = 0;
1778 #ifdef CONFIG_PROFILER
1779 int64_t ti;
1780 #endif
1781 do {
1782 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1783 #ifdef CONFIG_PROFILER
1784 ti = profile_getclock();
1785 #endif
1786 last_io = main_loop_wait(nonblocking);
1787 #ifdef CONFIG_PROFILER
1788 dev_time += profile_getclock() - ti;
1789 #endif
1790 } while (!main_loop_should_exit());
1791 }
1792
1793 static void version(void)
1794 {
1795 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1796 }
1797
1798 static void help(int exitcode)
1799 {
1800 version();
1801 printf("usage: %s [options] [disk_image]\n\n"
1802 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1803 error_get_progname());
1804
1805 #define QEMU_OPTIONS_GENERATE_HELP
1806 #include "qemu-options-wrapper.h"
1807
1808 printf("\nDuring emulation, the following keys are useful:\n"
1809 "ctrl-alt-f toggle full screen\n"
1810 "ctrl-alt-n switch to virtual console 'n'\n"
1811 "ctrl-alt toggle mouse and keyboard grab\n"
1812 "\n"
1813 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1814
1815 exit(exitcode);
1816 }
1817
1818 #define HAS_ARG 0x0001
1819
1820 typedef struct QEMUOption {
1821 const char *name;
1822 int flags;
1823 int index;
1824 uint32_t arch_mask;
1825 } QEMUOption;
1826
1827 static const QEMUOption qemu_options[] = {
1828 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1829 #define QEMU_OPTIONS_GENERATE_OPTIONS
1830 #include "qemu-options-wrapper.h"
1831 { NULL },
1832 };
1833
1834 static bool vga_available(void)
1835 {
1836 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1837 }
1838
1839 static bool cirrus_vga_available(void)
1840 {
1841 return object_class_by_name("cirrus-vga")
1842 || object_class_by_name("isa-cirrus-vga");
1843 }
1844
1845 static bool vmware_vga_available(void)
1846 {
1847 return object_class_by_name("vmware-svga");
1848 }
1849
1850 static bool qxl_vga_available(void)
1851 {
1852 return object_class_by_name("qxl-vga");
1853 }
1854
1855 static bool tcx_vga_available(void)
1856 {
1857 return object_class_by_name("SUNW,tcx");
1858 }
1859
1860 static bool cg3_vga_available(void)
1861 {
1862 return object_class_by_name("cgthree");
1863 }
1864
1865 static void select_vgahw (const char *p)
1866 {
1867 const char *opts;
1868
1869 assert(vga_interface_type == VGA_NONE);
1870 if (strstart(p, "std", &opts)) {
1871 if (vga_available()) {
1872 vga_interface_type = VGA_STD;
1873 } else {
1874 fprintf(stderr, "Error: standard VGA not available\n");
1875 exit(0);
1876 }
1877 } else if (strstart(p, "cirrus", &opts)) {
1878 if (cirrus_vga_available()) {
1879 vga_interface_type = VGA_CIRRUS;
1880 } else {
1881 fprintf(stderr, "Error: Cirrus VGA not available\n");
1882 exit(0);
1883 }
1884 } else if (strstart(p, "vmware", &opts)) {
1885 if (vmware_vga_available()) {
1886 vga_interface_type = VGA_VMWARE;
1887 } else {
1888 fprintf(stderr, "Error: VMWare SVGA not available\n");
1889 exit(0);
1890 }
1891 } else if (strstart(p, "xenfb", &opts)) {
1892 vga_interface_type = VGA_XENFB;
1893 } else if (strstart(p, "qxl", &opts)) {
1894 if (qxl_vga_available()) {
1895 vga_interface_type = VGA_QXL;
1896 } else {
1897 fprintf(stderr, "Error: QXL VGA not available\n");
1898 exit(0);
1899 }
1900 } else if (strstart(p, "tcx", &opts)) {
1901 if (tcx_vga_available()) {
1902 vga_interface_type = VGA_TCX;
1903 } else {
1904 fprintf(stderr, "Error: TCX framebuffer not available\n");
1905 exit(0);
1906 }
1907 } else if (strstart(p, "cg3", &opts)) {
1908 if (cg3_vga_available()) {
1909 vga_interface_type = VGA_CG3;
1910 } else {
1911 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1912 exit(0);
1913 }
1914 } else if (!strstart(p, "none", &opts)) {
1915 invalid_vga:
1916 fprintf(stderr, "Unknown vga type: %s\n", p);
1917 exit(1);
1918 }
1919 while (*opts) {
1920 const char *nextopt;
1921
1922 if (strstart(opts, ",retrace=", &nextopt)) {
1923 opts = nextopt;
1924 if (strstart(opts, "dumb", &nextopt))
1925 vga_retrace_method = VGA_RETRACE_DUMB;
1926 else if (strstart(opts, "precise", &nextopt))
1927 vga_retrace_method = VGA_RETRACE_PRECISE;
1928 else goto invalid_vga;
1929 } else goto invalid_vga;
1930 opts = nextopt;
1931 }
1932 }
1933
1934 static DisplayType select_display(const char *p)
1935 {
1936 const char *opts;
1937 DisplayType display = DT_DEFAULT;
1938
1939 if (strstart(p, "sdl", &opts)) {
1940 #ifdef CONFIG_SDL
1941 display = DT_SDL;
1942 while (*opts) {
1943 const char *nextopt;
1944
1945 if (strstart(opts, ",frame=", &nextopt)) {
1946 opts = nextopt;
1947 if (strstart(opts, "on", &nextopt)) {
1948 no_frame = 0;
1949 } else if (strstart(opts, "off", &nextopt)) {
1950 no_frame = 1;
1951 } else {
1952 goto invalid_sdl_args;
1953 }
1954 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1955 opts = nextopt;
1956 if (strstart(opts, "on", &nextopt)) {
1957 alt_grab = 1;
1958 } else if (strstart(opts, "off", &nextopt)) {
1959 alt_grab = 0;
1960 } else {
1961 goto invalid_sdl_args;
1962 }
1963 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1964 opts = nextopt;
1965 if (strstart(opts, "on", &nextopt)) {
1966 ctrl_grab = 1;
1967 } else if (strstart(opts, "off", &nextopt)) {
1968 ctrl_grab = 0;
1969 } else {
1970 goto invalid_sdl_args;
1971 }
1972 } else if (strstart(opts, ",window_close=", &nextopt)) {
1973 opts = nextopt;
1974 if (strstart(opts, "on", &nextopt)) {
1975 no_quit = 0;
1976 } else if (strstart(opts, "off", &nextopt)) {
1977 no_quit = 1;
1978 } else {
1979 goto invalid_sdl_args;
1980 }
1981 } else if (strstart(opts, ",gl=", &nextopt)) {
1982 opts = nextopt;
1983 if (strstart(opts, "on", &nextopt)) {
1984 request_opengl = 1;
1985 } else if (strstart(opts, "off", &nextopt)) {
1986 request_opengl = 0;
1987 } else {
1988 goto invalid_sdl_args;
1989 }
1990 } else {
1991 invalid_sdl_args:
1992 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1993 exit(1);
1994 }
1995 opts = nextopt;
1996 }
1997 #else
1998 fprintf(stderr, "SDL support is disabled\n");
1999 exit(1);
2000 #endif
2001 } else if (strstart(p, "vnc", &opts)) {
2002 #ifdef CONFIG_VNC
2003 if (*opts == '=') {
2004 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 if (strstart(opts, ",gl=", &nextopt)) {
2038 opts = nextopt;
2039 if (strstart(opts, "on", &nextopt)) {
2040 request_opengl = 1;
2041 } else if (strstart(opts, "off", &nextopt)) {
2042 request_opengl = 0;
2043 } else {
2044 goto invalid_gtk_args;
2045 }
2046 } else {
2047 invalid_gtk_args:
2048 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2049 exit(1);
2050 }
2051 opts = nextopt;
2052 }
2053 #else
2054 fprintf(stderr, "GTK support is disabled\n");
2055 exit(1);
2056 #endif
2057 } else if (strstart(p, "none", &opts)) {
2058 display = DT_NONE;
2059 } else {
2060 fprintf(stderr, "Unknown display type: %s\n", p);
2061 exit(1);
2062 }
2063
2064 return display;
2065 }
2066
2067 static int balloon_parse(const char *arg)
2068 {
2069 QemuOpts *opts;
2070
2071 if (strcmp(arg, "none") == 0) {
2072 return 0;
2073 }
2074
2075 if (!strncmp(arg, "virtio", 6)) {
2076 if (arg[6] == ',') {
2077 /* have params -> parse them */
2078 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2079 if (!opts)
2080 return -1;
2081 } else {
2082 /* create empty opts */
2083 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2084 &error_abort);
2085 }
2086 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2087 return 0;
2088 }
2089
2090 return -1;
2091 }
2092
2093 char *qemu_find_file(int type, const char *name)
2094 {
2095 int i;
2096 const char *subdir;
2097 char *buf;
2098
2099 /* Try the name as a straight path first */
2100 if (access(name, R_OK) == 0) {
2101 trace_load_file(name, name);
2102 return g_strdup(name);
2103 }
2104
2105 switch (type) {
2106 case QEMU_FILE_TYPE_BIOS:
2107 subdir = "";
2108 break;
2109 case QEMU_FILE_TYPE_KEYMAP:
2110 subdir = "keymaps/";
2111 break;
2112 default:
2113 abort();
2114 }
2115
2116 for (i = 0; i < data_dir_idx; i++) {
2117 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2118 if (access(buf, R_OK) == 0) {
2119 trace_load_file(name, buf);
2120 return buf;
2121 }
2122 g_free(buf);
2123 }
2124 return NULL;
2125 }
2126
2127 static int device_help_func(QemuOpts *opts, void *opaque)
2128 {
2129 return qdev_device_help(opts);
2130 }
2131
2132 static int device_init_func(QemuOpts *opts, void *opaque)
2133 {
2134 DeviceState *dev;
2135
2136 dev = qdev_device_add(opts);
2137 if (!dev)
2138 return -1;
2139 object_unref(OBJECT(dev));
2140 return 0;
2141 }
2142
2143 static int chardev_init_func(QemuOpts *opts, void *opaque)
2144 {
2145 Error *local_err = NULL;
2146
2147 qemu_chr_new_from_opts(opts, NULL, &local_err);
2148 if (local_err) {
2149 error_report_err(local_err);
2150 return -1;
2151 }
2152 return 0;
2153 }
2154
2155 #ifdef CONFIG_VIRTFS
2156 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2157 {
2158 int ret;
2159 ret = qemu_fsdev_add(opts);
2160
2161 return ret;
2162 }
2163 #endif
2164
2165 static int mon_init_func(QemuOpts *opts, void *opaque)
2166 {
2167 CharDriverState *chr;
2168 const char *chardev;
2169 const char *mode;
2170 int flags;
2171
2172 mode = qemu_opt_get(opts, "mode");
2173 if (mode == NULL) {
2174 mode = "readline";
2175 }
2176 if (strcmp(mode, "readline") == 0) {
2177 flags = MONITOR_USE_READLINE;
2178 } else if (strcmp(mode, "control") == 0) {
2179 flags = MONITOR_USE_CONTROL;
2180 } else {
2181 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2182 exit(1);
2183 }
2184
2185 if (qemu_opt_get_bool(opts, "pretty", 0))
2186 flags |= MONITOR_USE_PRETTY;
2187
2188 if (qemu_opt_get_bool(opts, "default", 0))
2189 flags |= MONITOR_IS_DEFAULT;
2190
2191 chardev = qemu_opt_get(opts, "chardev");
2192 chr = qemu_chr_find(chardev);
2193 if (chr == NULL) {
2194 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2195 exit(1);
2196 }
2197
2198 qemu_chr_fe_claim_no_fail(chr);
2199 monitor_init(chr, flags);
2200 return 0;
2201 }
2202
2203 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2204 {
2205 static int monitor_device_index = 0;
2206 Error *local_err = NULL;
2207 QemuOpts *opts;
2208 const char *p;
2209 char label[32];
2210 int def = 0;
2211
2212 if (strstart(optarg, "chardev:", &p)) {
2213 snprintf(label, sizeof(label), "%s", p);
2214 } else {
2215 snprintf(label, sizeof(label), "compat_monitor%d",
2216 monitor_device_index);
2217 if (monitor_device_index == 0) {
2218 def = 1;
2219 }
2220 opts = qemu_chr_parse_compat(label, optarg);
2221 if (!opts) {
2222 fprintf(stderr, "parse error: %s\n", optarg);
2223 exit(1);
2224 }
2225 }
2226
2227 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2228 if (!opts) {
2229 error_report_err(local_err);
2230 exit(1);
2231 }
2232 qemu_opt_set(opts, "mode", mode, &error_abort);
2233 qemu_opt_set(opts, "chardev", label, &error_abort);
2234 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2235 if (def)
2236 qemu_opt_set(opts, "default", "on", &error_abort);
2237 monitor_device_index++;
2238 }
2239
2240 struct device_config {
2241 enum {
2242 DEV_USB, /* -usbdevice */
2243 DEV_BT, /* -bt */
2244 DEV_SERIAL, /* -serial */
2245 DEV_PARALLEL, /* -parallel */
2246 DEV_VIRTCON, /* -virtioconsole */
2247 DEV_DEBUGCON, /* -debugcon */
2248 DEV_GDB, /* -gdb, -s */
2249 DEV_SCLP, /* s390 sclp */
2250 } type;
2251 const char *cmdline;
2252 Location loc;
2253 QTAILQ_ENTRY(device_config) next;
2254 };
2255
2256 static QTAILQ_HEAD(, device_config) device_configs =
2257 QTAILQ_HEAD_INITIALIZER(device_configs);
2258
2259 static void add_device_config(int type, const char *cmdline)
2260 {
2261 struct device_config *conf;
2262
2263 conf = g_malloc0(sizeof(*conf));
2264 conf->type = type;
2265 conf->cmdline = cmdline;
2266 loc_save(&conf->loc);
2267 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2268 }
2269
2270 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2271 {
2272 struct device_config *conf;
2273 int rc;
2274
2275 QTAILQ_FOREACH(conf, &device_configs, next) {
2276 if (conf->type != type)
2277 continue;
2278 loc_push_restore(&conf->loc);
2279 rc = func(conf->cmdline);
2280 loc_pop(&conf->loc);
2281 if (rc) {
2282 return rc;
2283 }
2284 }
2285 return 0;
2286 }
2287
2288 static int serial_parse(const char *devname)
2289 {
2290 static int index = 0;
2291 char label[32];
2292
2293 if (strcmp(devname, "none") == 0)
2294 return 0;
2295 if (index == MAX_SERIAL_PORTS) {
2296 fprintf(stderr, "qemu: too many serial ports\n");
2297 exit(1);
2298 }
2299 snprintf(label, sizeof(label), "serial%d", index);
2300 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2301 if (!serial_hds[index]) {
2302 fprintf(stderr, "qemu: could not connect serial device"
2303 " to character backend '%s'\n", devname);
2304 return -1;
2305 }
2306 index++;
2307 return 0;
2308 }
2309
2310 static int parallel_parse(const char *devname)
2311 {
2312 static int index = 0;
2313 char label[32];
2314
2315 if (strcmp(devname, "none") == 0)
2316 return 0;
2317 if (index == MAX_PARALLEL_PORTS) {
2318 fprintf(stderr, "qemu: too many parallel ports\n");
2319 exit(1);
2320 }
2321 snprintf(label, sizeof(label), "parallel%d", index);
2322 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2323 if (!parallel_hds[index]) {
2324 fprintf(stderr, "qemu: could not connect parallel device"
2325 " to character backend '%s'\n", devname);
2326 return -1;
2327 }
2328 index++;
2329 return 0;
2330 }
2331
2332 static int virtcon_parse(const char *devname)
2333 {
2334 QemuOptsList *device = qemu_find_opts("device");
2335 static int index = 0;
2336 char label[32];
2337 QemuOpts *bus_opts, *dev_opts;
2338
2339 if (strcmp(devname, "none") == 0)
2340 return 0;
2341 if (index == MAX_VIRTIO_CONSOLES) {
2342 fprintf(stderr, "qemu: too many virtio consoles\n");
2343 exit(1);
2344 }
2345
2346 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2347 if (arch_type == QEMU_ARCH_S390X) {
2348 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2349 } else {
2350 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2351 }
2352
2353 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2354 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2355
2356 snprintf(label, sizeof(label), "virtcon%d", index);
2357 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2358 if (!virtcon_hds[index]) {
2359 fprintf(stderr, "qemu: could not connect virtio console"
2360 " to character backend '%s'\n", devname);
2361 return -1;
2362 }
2363 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2364
2365 index++;
2366 return 0;
2367 }
2368
2369 static int sclp_parse(const char *devname)
2370 {
2371 QemuOptsList *device = qemu_find_opts("device");
2372 static int index = 0;
2373 char label[32];
2374 QemuOpts *dev_opts;
2375
2376 if (strcmp(devname, "none") == 0) {
2377 return 0;
2378 }
2379 if (index == MAX_SCLP_CONSOLES) {
2380 fprintf(stderr, "qemu: too many sclp consoles\n");
2381 exit(1);
2382 }
2383
2384 assert(arch_type == QEMU_ARCH_S390X);
2385
2386 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2387 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2388
2389 snprintf(label, sizeof(label), "sclpcon%d", index);
2390 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2391 if (!sclp_hds[index]) {
2392 fprintf(stderr, "qemu: could not connect sclp console"
2393 " to character backend '%s'\n", devname);
2394 return -1;
2395 }
2396 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2397
2398 index++;
2399 return 0;
2400 }
2401
2402 static int debugcon_parse(const char *devname)
2403 {
2404 QemuOpts *opts;
2405
2406 if (!qemu_chr_new("debugcon", devname, NULL)) {
2407 exit(1);
2408 }
2409 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2410 if (!opts) {
2411 fprintf(stderr, "qemu: already have a debugcon device\n");
2412 exit(1);
2413 }
2414 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2415 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2416 return 0;
2417 }
2418
2419 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2420 {
2421 const MachineClass *mc1 = a, *mc2 = b;
2422 int res;
2423
2424 if (mc1->family == NULL) {
2425 if (mc2->family == NULL) {
2426 /* Compare standalone machine types against each other; they sort
2427 * in increasing order.
2428 */
2429 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2430 object_class_get_name(OBJECT_CLASS(mc2)));
2431 }
2432
2433 /* Standalone machine types sort after families. */
2434 return 1;
2435 }
2436
2437 if (mc2->family == NULL) {
2438 /* Families sort before standalone machine types. */
2439 return -1;
2440 }
2441
2442 /* Families sort between each other alphabetically increasingly. */
2443 res = strcmp(mc1->family, mc2->family);
2444 if (res != 0) {
2445 return res;
2446 }
2447
2448 /* Within the same family, machine types sort in decreasing order. */
2449 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2450 object_class_get_name(OBJECT_CLASS(mc1)));
2451 }
2452
2453 static MachineClass *machine_parse(const char *name)
2454 {
2455 MachineClass *mc = NULL;
2456 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2457
2458 if (name) {
2459 mc = find_machine(name);
2460 }
2461 if (mc) {
2462 g_slist_free(machines);
2463 return mc;
2464 }
2465 if (name && !is_help_option(name)) {
2466 error_report("Unsupported machine type");
2467 error_printf("Use -machine help to list supported machines!\n");
2468 } else {
2469 printf("Supported machines are:\n");
2470 machines = g_slist_sort(machines, machine_class_cmp);
2471 for (el = machines; el; el = el->next) {
2472 MachineClass *mc = el->data;
2473 if (mc->alias) {
2474 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2475 }
2476 printf("%-20s %s%s\n", mc->name, mc->desc,
2477 mc->is_default ? " (default)" : "");
2478 }
2479 }
2480
2481 g_slist_free(machines);
2482 exit(!name || !is_help_option(name));
2483 }
2484
2485 void qemu_add_exit_notifier(Notifier *notify)
2486 {
2487 notifier_list_add(&exit_notifiers, notify);
2488 }
2489
2490 void qemu_remove_exit_notifier(Notifier *notify)
2491 {
2492 notifier_remove(notify);
2493 }
2494
2495 static void qemu_run_exit_notifiers(void)
2496 {
2497 notifier_list_notify(&exit_notifiers, NULL);
2498 }
2499
2500 void qemu_add_machine_init_done_notifier(Notifier *notify)
2501 {
2502 notifier_list_add(&machine_init_done_notifiers, notify);
2503 }
2504
2505 static void qemu_run_machine_init_done_notifiers(void)
2506 {
2507 notifier_list_notify(&machine_init_done_notifiers, NULL);
2508 }
2509
2510 static const QEMUOption *lookup_opt(int argc, char **argv,
2511 const char **poptarg, int *poptind)
2512 {
2513 const QEMUOption *popt;
2514 int optind = *poptind;
2515 char *r = argv[optind];
2516 const char *optarg;
2517
2518 loc_set_cmdline(argv, optind, 1);
2519 optind++;
2520 /* Treat --foo the same as -foo. */
2521 if (r[1] == '-')
2522 r++;
2523 popt = qemu_options;
2524 for(;;) {
2525 if (!popt->name) {
2526 error_report("invalid option");
2527 exit(1);
2528 }
2529 if (!strcmp(popt->name, r + 1))
2530 break;
2531 popt++;
2532 }
2533 if (popt->flags & HAS_ARG) {
2534 if (optind >= argc) {
2535 error_report("requires an argument");
2536 exit(1);
2537 }
2538 optarg = argv[optind++];
2539 loc_set_cmdline(argv, optind - 2, 2);
2540 } else {
2541 optarg = NULL;
2542 }
2543
2544 *poptarg = optarg;
2545 *poptind = optind;
2546
2547 return popt;
2548 }
2549
2550 static gpointer malloc_and_trace(gsize n_bytes)
2551 {
2552 void *ptr = malloc(n_bytes);
2553 trace_g_malloc(n_bytes, ptr);
2554 return ptr;
2555 }
2556
2557 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2558 {
2559 void *ptr = realloc(mem, n_bytes);
2560 trace_g_realloc(mem, n_bytes, ptr);
2561 return ptr;
2562 }
2563
2564 static void free_and_trace(gpointer mem)
2565 {
2566 trace_g_free(mem);
2567 free(mem);
2568 }
2569
2570 static int machine_set_property(const char *name, const char *value,
2571 void *opaque)
2572 {
2573 Object *obj = OBJECT(opaque);
2574 Error *local_err = NULL;
2575 char *c, *qom_name;
2576
2577 if (strcmp(name, "type") == 0) {
2578 return 0;
2579 }
2580
2581 qom_name = g_strdup(name);
2582 c = qom_name;
2583 while (*c++) {
2584 if (*c == '_') {
2585 *c = '-';
2586 }
2587 }
2588
2589 object_property_parse(obj, value, qom_name, &local_err);
2590 g_free(qom_name);
2591
2592 if (local_err) {
2593 error_report_err(local_err);
2594 return -1;
2595 }
2596
2597 return 0;
2598 }
2599
2600 static int object_create(QemuOpts *opts, void *opaque)
2601 {
2602 Error *err = NULL;
2603 char *type = NULL;
2604 char *id = NULL;
2605 void *dummy = NULL;
2606 OptsVisitor *ov;
2607 QDict *pdict;
2608
2609 ov = opts_visitor_new(opts);
2610 pdict = qemu_opts_to_qdict(opts, NULL);
2611
2612 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2613 if (err) {
2614 goto out;
2615 }
2616
2617 qdict_del(pdict, "qom-type");
2618 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2619 if (err) {
2620 goto out;
2621 }
2622
2623 qdict_del(pdict, "id");
2624 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2625 if (err) {
2626 goto out;
2627 }
2628
2629 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2630 if (err) {
2631 goto out;
2632 }
2633 visit_end_struct(opts_get_visitor(ov), &err);
2634 if (err) {
2635 qmp_object_del(id, NULL);
2636 }
2637
2638 out:
2639 opts_visitor_cleanup(ov);
2640
2641 QDECREF(pdict);
2642 g_free(id);
2643 g_free(type);
2644 g_free(dummy);
2645 if (err) {
2646 error_report_err(err);
2647 return -1;
2648 }
2649 return 0;
2650 }
2651
2652 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2653 MachineClass *mc)
2654 {
2655 uint64_t sz;
2656 const char *mem_str;
2657 const char *maxmem_str, *slots_str;
2658 const ram_addr_t default_ram_size = mc->default_ram_size;
2659 QemuOpts *opts = qemu_find_opts_singleton("memory");
2660
2661 sz = 0;
2662 mem_str = qemu_opt_get(opts, "size");
2663 if (mem_str) {
2664 if (!*mem_str) {
2665 error_report("missing 'size' option value");
2666 exit(EXIT_FAILURE);
2667 }
2668
2669 sz = qemu_opt_get_size(opts, "size", ram_size);
2670
2671 /* Fix up legacy suffix-less format */
2672 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2673 uint64_t overflow_check = sz;
2674
2675 sz <<= 20;
2676 if ((sz >> 20) != overflow_check) {
2677 error_report("too large 'size' option value");
2678 exit(EXIT_FAILURE);
2679 }
2680 }
2681 }
2682
2683 /* backward compatibility behaviour for case "-m 0" */
2684 if (sz == 0) {
2685 sz = default_ram_size;
2686 }
2687
2688 sz = QEMU_ALIGN_UP(sz, 8192);
2689 ram_size = sz;
2690 if (ram_size != sz) {
2691 error_report("ram size too large");
2692 exit(EXIT_FAILURE);
2693 }
2694
2695 /* store value for the future use */
2696 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2697 *maxram_size = ram_size;
2698
2699 maxmem_str = qemu_opt_get(opts, "maxmem");
2700 slots_str = qemu_opt_get(opts, "slots");
2701 if (maxmem_str && slots_str) {
2702 uint64_t slots;
2703
2704 sz = qemu_opt_get_size(opts, "maxmem", 0);
2705 slots = qemu_opt_get_number(opts, "slots", 0);
2706 if (sz < ram_size) {
2707 error_report("invalid value of -m option maxmem: "
2708 "maximum memory size (0x%" PRIx64 ") must be at least "
2709 "the initial memory size (0x" RAM_ADDR_FMT ")",
2710 sz, ram_size);
2711 exit(EXIT_FAILURE);
2712 } else if (sz > ram_size) {
2713 if (!slots) {
2714 error_report("invalid value of -m option: maxmem was "
2715 "specified, but no hotplug slots were specified");
2716 exit(EXIT_FAILURE);
2717 }
2718 } else if (slots) {
2719 error_report("invalid value of -m option maxmem: "
2720 "memory slots were specified but maximum memory size "
2721 "(0x%" PRIx64 ") is equal to the initial memory size "
2722 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2723 exit(EXIT_FAILURE);
2724 }
2725
2726 *maxram_size = sz;
2727 *ram_slots = slots;
2728 } else if ((!maxmem_str && slots_str) ||
2729 (maxmem_str && !slots_str)) {
2730 error_report("invalid -m option value: missing "
2731 "'%s' option", slots_str ? "maxmem" : "slots");
2732 exit(EXIT_FAILURE);
2733 }
2734 }
2735
2736 int main(int argc, char **argv, char **envp)
2737 {
2738 int i;
2739 int snapshot, linux_boot;
2740 const char *initrd_filename;
2741 const char *kernel_filename, *kernel_cmdline;
2742 const char *boot_order = NULL;
2743 const char *boot_once = NULL;
2744 DisplayState *ds;
2745 int cyls, heads, secs, translation;
2746 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2747 QemuOptsList *olist;
2748 int optind;
2749 const char *optarg;
2750 const char *loadvm = NULL;
2751 MachineClass *machine_class;
2752 const char *cpu_model;
2753 const char *vga_model = NULL;
2754 const char *qtest_chrdev = NULL;
2755 const char *qtest_log = NULL;
2756 const char *pid_file = NULL;
2757 const char *incoming = NULL;
2758 #ifdef CONFIG_VNC
2759 int show_vnc_port = 0;
2760 #endif
2761 bool defconfig = true;
2762 bool userconfig = true;
2763 const char *log_mask = NULL;
2764 const char *log_file = NULL;
2765 GMemVTable mem_trace = {
2766 .malloc = malloc_and_trace,
2767 .realloc = realloc_and_trace,
2768 .free = free_and_trace,
2769 };
2770 const char *trace_events = NULL;
2771 const char *trace_file = NULL;
2772 ram_addr_t maxram_size;
2773 uint64_t ram_slots = 0;
2774 FILE *vmstate_dump_file = NULL;
2775 Error *main_loop_err = NULL;
2776
2777 qemu_init_cpu_loop();
2778 qemu_mutex_lock_iothread();
2779
2780 atexit(qemu_run_exit_notifiers);
2781 error_set_progname(argv[0]);
2782 qemu_init_exec_dir(argv[0]);
2783
2784 g_mem_set_vtable(&mem_trace);
2785
2786 module_call_init(MODULE_INIT_QOM);
2787
2788 qemu_add_opts(&qemu_drive_opts);
2789 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2790 qemu_add_drive_opts(&qemu_common_drive_opts);
2791 qemu_add_drive_opts(&qemu_drive_opts);
2792 qemu_add_opts(&qemu_chardev_opts);
2793 qemu_add_opts(&qemu_device_opts);
2794 qemu_add_opts(&qemu_netdev_opts);
2795 qemu_add_opts(&qemu_net_opts);
2796 qemu_add_opts(&qemu_rtc_opts);
2797 qemu_add_opts(&qemu_global_opts);
2798 qemu_add_opts(&qemu_mon_opts);
2799 qemu_add_opts(&qemu_trace_opts);
2800 qemu_add_opts(&qemu_option_rom_opts);
2801 qemu_add_opts(&qemu_machine_opts);
2802 qemu_add_opts(&qemu_mem_opts);
2803 qemu_add_opts(&qemu_smp_opts);
2804 qemu_add_opts(&qemu_boot_opts);
2805 qemu_add_opts(&qemu_sandbox_opts);
2806 qemu_add_opts(&qemu_add_fd_opts);
2807 qemu_add_opts(&qemu_object_opts);
2808 qemu_add_opts(&qemu_tpmdev_opts);
2809 qemu_add_opts(&qemu_realtime_opts);
2810 qemu_add_opts(&qemu_msg_opts);
2811 qemu_add_opts(&qemu_name_opts);
2812 qemu_add_opts(&qemu_numa_opts);
2813 qemu_add_opts(&qemu_icount_opts);
2814 qemu_add_opts(&qemu_semihosting_config_opts);
2815
2816 runstate_init();
2817
2818 rtc_clock = QEMU_CLOCK_HOST;
2819
2820 QLIST_INIT (&vm_change_state_head);
2821 os_setup_early_signal_handling();
2822
2823 module_call_init(MODULE_INIT_MACHINE);
2824 machine_class = find_default_machine();
2825 cpu_model = NULL;
2826 snapshot = 0;
2827 cyls = heads = secs = 0;
2828 translation = BIOS_ATA_TRANSLATION_AUTO;
2829
2830 nb_nics = 0;
2831
2832 bdrv_init_with_whitelist();
2833
2834 autostart = 1;
2835
2836 /* first pass of option parsing */
2837 optind = 1;
2838 while (optind < argc) {
2839 if (argv[optind][0] != '-') {
2840 /* disk image */
2841 optind++;
2842 } else {
2843 const QEMUOption *popt;
2844
2845 popt = lookup_opt(argc, argv, &optarg, &optind);
2846 switch (popt->index) {
2847 case QEMU_OPTION_nodefconfig:
2848 defconfig = false;
2849 break;
2850 case QEMU_OPTION_nouserconfig:
2851 userconfig = false;
2852 break;
2853 }
2854 }
2855 }
2856
2857 if (defconfig) {
2858 int ret;
2859 ret = qemu_read_default_config_files(userconfig);
2860 if (ret < 0) {
2861 exit(1);
2862 }
2863 }
2864
2865 /* second pass of option parsing */
2866 optind = 1;
2867 for(;;) {
2868 if (optind >= argc)
2869 break;
2870 if (argv[optind][0] != '-') {
2871 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2872 } else {
2873 const QEMUOption *popt;
2874
2875 popt = lookup_opt(argc, argv, &optarg, &optind);
2876 if (!(popt->arch_mask & arch_type)) {
2877 printf("Option %s not supported for this target\n", popt->name);
2878 exit(1);
2879 }
2880 switch(popt->index) {
2881 case QEMU_OPTION_no_kvm_irqchip: {
2882 olist = qemu_find_opts("machine");
2883 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2884 break;
2885 }
2886 case QEMU_OPTION_cpu:
2887 /* hw initialization will check this */
2888 cpu_model = optarg;
2889 break;
2890 case QEMU_OPTION_hda:
2891 {
2892 char buf[256];
2893 if (cyls == 0)
2894 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2895 else
2896 snprintf(buf, sizeof(buf),
2897 "%s,cyls=%d,heads=%d,secs=%d%s",
2898 HD_OPTS , cyls, heads, secs,
2899 translation == BIOS_ATA_TRANSLATION_LBA ?
2900 ",trans=lba" :
2901 translation == BIOS_ATA_TRANSLATION_NONE ?
2902 ",trans=none" : "");
2903 drive_add(IF_DEFAULT, 0, optarg, buf);
2904 break;
2905 }
2906 case QEMU_OPTION_hdb:
2907 case QEMU_OPTION_hdc:
2908 case QEMU_OPTION_hdd:
2909 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2910 HD_OPTS);
2911 break;
2912 case QEMU_OPTION_drive:
2913 if (drive_def(optarg) == NULL) {
2914 exit(1);
2915 }
2916 break;
2917 case QEMU_OPTION_set:
2918 if (qemu_set_option(optarg) != 0)
2919 exit(1);
2920 break;
2921 case QEMU_OPTION_global:
2922 if (qemu_global_option(optarg) != 0)
2923 exit(1);
2924 break;
2925 case QEMU_OPTION_mtdblock:
2926 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2927 break;
2928 case QEMU_OPTION_sd:
2929 drive_add(IF_SD, -1, optarg, SD_OPTS);
2930 break;
2931 case QEMU_OPTION_pflash:
2932 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2933 break;
2934 case QEMU_OPTION_snapshot:
2935 snapshot = 1;
2936 break;
2937 case QEMU_OPTION_hdachs:
2938 {
2939 const char *p;
2940 p = optarg;
2941 cyls = strtol(p, (char **)&p, 0);
2942 if (cyls < 1 || cyls > 16383)
2943 goto chs_fail;
2944 if (*p != ',')
2945 goto chs_fail;
2946 p++;
2947 heads = strtol(p, (char **)&p, 0);
2948 if (heads < 1 || heads > 16)
2949 goto chs_fail;
2950 if (*p != ',')
2951 goto chs_fail;
2952 p++;
2953 secs = strtol(p, (char **)&p, 0);
2954 if (secs < 1 || secs > 63)
2955 goto chs_fail;
2956 if (*p == ',') {
2957 p++;
2958 if (!strcmp(p, "large")) {
2959 translation = BIOS_ATA_TRANSLATION_LARGE;
2960 } else if (!strcmp(p, "rechs")) {
2961 translation = BIOS_ATA_TRANSLATION_RECHS;
2962 } else if (!strcmp(p, "none")) {
2963 translation = BIOS_ATA_TRANSLATION_NONE;
2964 } else if (!strcmp(p, "lba")) {
2965 translation = BIOS_ATA_TRANSLATION_LBA;
2966 } else if (!strcmp(p, "auto")) {
2967 translation = BIOS_ATA_TRANSLATION_AUTO;
2968 } else {
2969 goto chs_fail;
2970 }
2971 } else if (*p != '\0') {
2972 chs_fail:
2973 fprintf(stderr, "qemu: invalid physical CHS format\n");
2974 exit(1);
2975 }
2976 if (hda_opts != NULL) {
2977 qemu_opt_set_number(hda_opts, "cyls", cyls,
2978 &error_abort);
2979 qemu_opt_set_number(hda_opts, "heads", heads,
2980 &error_abort);
2981 qemu_opt_set_number(hda_opts, "secs", secs,
2982 &error_abort);
2983 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2984 qemu_opt_set(hda_opts, "trans", "large",
2985 &error_abort);
2986 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2987 qemu_opt_set(hda_opts, "trans", "rechs",
2988 &error_abort);
2989 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2990 qemu_opt_set(hda_opts, "trans", "lba",
2991 &error_abort);
2992 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2993 qemu_opt_set(hda_opts, "trans", "none",
2994 &error_abort);
2995 }
2996 }
2997 }
2998 break;
2999 case QEMU_OPTION_numa:
3000 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3001 if (!opts) {
3002 exit(1);
3003 }
3004 break;
3005 case QEMU_OPTION_display:
3006 display_type = select_display(optarg);
3007 break;
3008 case QEMU_OPTION_nographic:
3009 display_type = DT_NOGRAPHIC;
3010 break;
3011 case QEMU_OPTION_curses:
3012 #ifdef CONFIG_CURSES
3013 display_type = DT_CURSES;
3014 #else
3015 fprintf(stderr, "Curses support is disabled\n");
3016 exit(1);
3017 #endif
3018 break;
3019 case QEMU_OPTION_portrait:
3020 graphic_rotate = 90;
3021 break;
3022 case QEMU_OPTION_rotate:
3023 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3024 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3025 graphic_rotate != 180 && graphic_rotate != 270) {
3026 fprintf(stderr,
3027 "qemu: only 90, 180, 270 deg rotation is available\n");
3028 exit(1);
3029 }
3030 break;
3031 case QEMU_OPTION_kernel:
3032 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3033 &error_abort);
3034 break;
3035 case QEMU_OPTION_initrd:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3037 &error_abort);
3038 break;
3039 case QEMU_OPTION_append:
3040 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3041 &error_abort);
3042 break;
3043 case QEMU_OPTION_dtb:
3044 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3045 &error_abort);
3046 break;
3047 case QEMU_OPTION_cdrom:
3048 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3049 break;
3050 case QEMU_OPTION_boot:
3051 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3052 if (!opts) {
3053 exit(1);
3054 }
3055 break;
3056 case QEMU_OPTION_fda:
3057 case QEMU_OPTION_fdb:
3058 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3059 optarg, FD_OPTS);
3060 break;
3061 case QEMU_OPTION_no_fd_bootchk:
3062 fd_bootchk = 0;
3063 break;
3064 case QEMU_OPTION_netdev:
3065 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3066 exit(1);
3067 }
3068 break;
3069 case QEMU_OPTION_net:
3070 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3071 exit(1);
3072 }
3073 break;
3074 #ifdef CONFIG_LIBISCSI
3075 case QEMU_OPTION_iscsi:
3076 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3077 if (!opts) {
3078 exit(1);
3079 }
3080 break;
3081 #endif
3082 #ifdef CONFIG_SLIRP
3083 case QEMU_OPTION_tftp:
3084 legacy_tftp_prefix = optarg;
3085 break;
3086 case QEMU_OPTION_bootp:
3087 legacy_bootp_filename = optarg;
3088 break;
3089 case QEMU_OPTION_redir:
3090 if (net_slirp_redir(optarg) < 0)
3091 exit(1);
3092 break;
3093 #endif
3094 case QEMU_OPTION_bt:
3095 add_device_config(DEV_BT, optarg);
3096 break;
3097 case QEMU_OPTION_audio_help:
3098 AUD_help ();
3099 exit (0);
3100 break;
3101 case QEMU_OPTION_soundhw:
3102 select_soundhw (optarg);
3103 break;
3104 case QEMU_OPTION_h:
3105 help(0);
3106 break;
3107 case QEMU_OPTION_version:
3108 version();
3109 exit(0);
3110 break;
3111 case QEMU_OPTION_m:
3112 opts = qemu_opts_parse(qemu_find_opts("memory"),
3113 optarg, 1);
3114 if (!opts) {
3115 exit(EXIT_FAILURE);
3116 }
3117 break;
3118 #ifdef CONFIG_TPM
3119 case QEMU_OPTION_tpmdev:
3120 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3121 exit(1);
3122 }
3123 break;
3124 #endif
3125 case QEMU_OPTION_mempath:
3126 mem_path = optarg;
3127 break;
3128 case QEMU_OPTION_mem_prealloc:
3129 mem_prealloc = 1;
3130 break;
3131 case QEMU_OPTION_d:
3132 log_mask = optarg;
3133 break;
3134 case QEMU_OPTION_D:
3135 log_file = optarg;
3136 break;
3137 case QEMU_OPTION_s:
3138 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3139 break;
3140 case QEMU_OPTION_gdb:
3141 add_device_config(DEV_GDB, optarg);
3142 break;
3143 case QEMU_OPTION_L:
3144 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3145 data_dir[data_dir_idx++] = optarg;
3146 }
3147 break;
3148 case QEMU_OPTION_bios:
3149 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3150 &error_abort);
3151 break;
3152 case QEMU_OPTION_singlestep:
3153 singlestep = 1;
3154 break;
3155 case QEMU_OPTION_S:
3156 autostart = 0;
3157 break;
3158 case QEMU_OPTION_k:
3159 keyboard_layout = optarg;
3160 break;
3161 case QEMU_OPTION_localtime:
3162 rtc_utc = 0;
3163 break;
3164 case QEMU_OPTION_vga:
3165 vga_model = optarg;
3166 default_vga = 0;
3167 break;
3168 case QEMU_OPTION_g:
3169 {
3170 const char *p;
3171 int w, h, depth;
3172 p = optarg;
3173 w = strtol(p, (char **)&p, 10);
3174 if (w <= 0) {
3175 graphic_error:
3176 fprintf(stderr, "qemu: invalid resolution or depth\n");
3177 exit(1);
3178 }
3179 if (*p != 'x')
3180 goto graphic_error;
3181 p++;
3182 h = strtol(p, (char **)&p, 10);
3183 if (h <= 0)
3184 goto graphic_error;
3185 if (*p == 'x') {
3186 p++;
3187 depth = strtol(p, (char **)&p, 10);
3188 if (depth != 8 && depth != 15 && depth != 16 &&
3189 depth != 24 && depth != 32)
3190 goto graphic_error;
3191 } else if (*p == '\0') {
3192 depth = graphic_depth;
3193 } else {
3194 goto graphic_error;
3195 }
3196
3197 graphic_width = w;
3198 graphic_height = h;
3199 graphic_depth = depth;
3200 }
3201 break;
3202 case QEMU_OPTION_echr:
3203 {
3204 char *r;
3205 term_escape_char = strtol(optarg, &r, 0);
3206 if (r == optarg)
3207 printf("Bad argument to echr\n");
3208 break;
3209 }
3210 case QEMU_OPTION_monitor:
3211 default_monitor = 0;
3212 if (strncmp(optarg, "none", 4)) {
3213 monitor_parse(optarg, "readline", false);
3214 }
3215 break;
3216 case QEMU_OPTION_qmp:
3217 monitor_parse(optarg, "control", false);
3218 default_monitor = 0;
3219 break;
3220 case QEMU_OPTION_qmp_pretty:
3221 monitor_parse(optarg, "control", true);
3222 default_monitor = 0;
3223 break;
3224 case QEMU_OPTION_mon:
3225 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3226 if (!opts) {
3227 exit(1);
3228 }
3229 default_monitor = 0;
3230 break;
3231 case QEMU_OPTION_chardev:
3232 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3233 if (!opts) {
3234 exit(1);
3235 }
3236 break;
3237 case QEMU_OPTION_fsdev:
3238 olist = qemu_find_opts("fsdev");
3239 if (!olist) {
3240 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3241 exit(1);
3242 }
3243 opts = qemu_opts_parse(olist, optarg, 1);
3244 if (!opts) {
3245 exit(1);
3246 }
3247 break;
3248 case QEMU_OPTION_virtfs: {
3249 QemuOpts *fsdev;
3250 QemuOpts *device;
3251 const char *writeout, *sock_fd, *socket;
3252
3253 olist = qemu_find_opts("virtfs");
3254 if (!olist) {
3255 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3256 exit(1);
3257 }
3258 opts = qemu_opts_parse(olist, optarg, 1);
3259 if (!opts) {
3260 exit(1);
3261 }
3262
3263 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3264 qemu_opt_get(opts, "mount_tag") == NULL) {
3265 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3266 exit(1);
3267 }
3268 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3269 qemu_opt_get(opts, "mount_tag"),
3270 1, NULL);
3271 if (!fsdev) {
3272 fprintf(stderr, "duplicate fsdev id: %s\n",
3273 qemu_opt_get(opts, "mount_tag"));
3274 exit(1);
3275 }
3276
3277 writeout = qemu_opt_get(opts, "writeout");
3278 if (writeout) {
3279 #ifdef CONFIG_SYNC_FILE_RANGE
3280 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3281 #else
3282 fprintf(stderr, "writeout=immediate not supported on "
3283 "this platform\n");
3284 exit(1);
3285 #endif
3286 }
3287 qemu_opt_set(fsdev, "fsdriver",
3288 qemu_opt_get(opts, "fsdriver"), &error_abort);
3289 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3290 &error_abort);
3291 qemu_opt_set(fsdev, "security_model",
3292 qemu_opt_get(opts, "security_model"),
3293 &error_abort);
3294 socket = qemu_opt_get(opts, "socket");
3295 if (socket) {
3296 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3297 }
3298 sock_fd = qemu_opt_get(opts, "sock_fd");
3299 if (sock_fd) {
3300 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3301 }
3302
3303 qemu_opt_set_bool(fsdev, "readonly",
3304 qemu_opt_get_bool(opts, "readonly", 0),
3305 &error_abort);
3306 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3307 &error_abort);
3308 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3309 qemu_opt_set(device, "fsdev",
3310 qemu_opt_get(opts, "mount_tag"), &error_abort);
3311 qemu_opt_set(device, "mount_tag",
3312 qemu_opt_get(opts, "mount_tag"), &error_abort);
3313 break;
3314 }
3315 case QEMU_OPTION_virtfs_synth: {
3316 QemuOpts *fsdev;
3317 QemuOpts *device;
3318
3319 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3320 1, NULL);
3321 if (!fsdev) {
3322 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3323 exit(1);
3324 }
3325 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3326
3327 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3328 &error_abort);
3329 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3330 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3331 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3332 break;
3333 }
3334 case QEMU_OPTION_serial:
3335 add_device_config(DEV_SERIAL, optarg);
3336 default_serial = 0;
3337 if (strncmp(optarg, "mon:", 4) == 0) {
3338 default_monitor = 0;
3339 }
3340 break;
3341 case QEMU_OPTION_watchdog:
3342 if (watchdog) {
3343 fprintf(stderr,
3344 "qemu: only one watchdog option may be given\n");
3345 return 1;
3346 }
3347 watchdog = optarg;
3348 break;
3349 case QEMU_OPTION_watchdog_action:
3350 if (select_watchdog_action(optarg) == -1) {
3351 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3352 exit(1);
3353 }
3354 break;
3355 case QEMU_OPTION_virtiocon:
3356 add_device_config(DEV_VIRTCON, optarg);
3357 default_virtcon = 0;
3358 if (strncmp(optarg, "mon:", 4) == 0) {
3359 default_monitor = 0;
3360 }
3361 break;
3362 case QEMU_OPTION_parallel:
3363 add_device_config(DEV_PARALLEL, optarg);
3364 default_parallel = 0;
3365 if (strncmp(optarg, "mon:", 4) == 0) {
3366 default_monitor = 0;
3367 }
3368 break;
3369 case QEMU_OPTION_debugcon:
3370 add_device_config(DEV_DEBUGCON, optarg);
3371 break;
3372 case QEMU_OPTION_loadvm:
3373 loadvm = optarg;
3374 break;
3375 case QEMU_OPTION_full_screen:
3376 full_screen = 1;
3377 break;
3378 case QEMU_OPTION_no_frame:
3379 no_frame = 1;
3380 break;
3381 case QEMU_OPTION_alt_grab:
3382 alt_grab = 1;
3383 break;
3384 case QEMU_OPTION_ctrl_grab:
3385 ctrl_grab = 1;
3386 break;
3387 case QEMU_OPTION_no_quit:
3388 no_quit = 1;
3389 break;
3390 case QEMU_OPTION_sdl:
3391 #ifdef CONFIG_SDL
3392 display_type = DT_SDL;
3393 break;
3394 #else
3395 fprintf(stderr, "SDL support is disabled\n");
3396 exit(1);
3397 #endif
3398 case QEMU_OPTION_pidfile:
3399 pid_file = optarg;
3400 break;
3401 case QEMU_OPTION_win2k_hack:
3402 win2k_install_hack = 1;
3403 break;
3404 case QEMU_OPTION_rtc_td_hack: {
3405 static GlobalProperty slew_lost_ticks[] = {
3406 {
3407 .driver = "mc146818rtc",
3408 .property = "lost_tick_policy",
3409 .value = "slew",
3410 },
3411 { /* end of list */ }
3412 };
3413
3414 qdev_prop_register_global_list(slew_lost_ticks);
3415 break;
3416 }
3417 case QEMU_OPTION_acpitable:
3418 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3419 if (!opts) {
3420 exit(1);
3421 }
3422 do_acpitable_option(opts);
3423 break;
3424 case QEMU_OPTION_smbios:
3425 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3426 if (!opts) {
3427 exit(1);
3428 }
3429 do_smbios_option(opts);
3430 break;
3431 case QEMU_OPTION_enable_kvm:
3432 olist = qemu_find_opts("machine");
3433 qemu_opts_parse(olist, "accel=kvm", 0);
3434 break;
3435 case QEMU_OPTION_M:
3436 case QEMU_OPTION_machine:
3437 olist = qemu_find_opts("machine");
3438 opts = qemu_opts_parse(olist, optarg, 1);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_no_kvm:
3444 olist = qemu_find_opts("machine");
3445 qemu_opts_parse(olist, "accel=tcg", 0);
3446 break;
3447 case QEMU_OPTION_no_kvm_pit: {
3448 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3449 "separately.\n");
3450 break;
3451 }
3452 case QEMU_OPTION_no_kvm_pit_reinjection: {
3453 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3454 {
3455 .driver = "kvm-pit",
3456 .property = "lost_tick_policy",
3457 .value = "discard",
3458 },
3459 { /* end of list */ }
3460 };
3461
3462 fprintf(stderr, "Warning: option deprecated, use "
3463 "lost_tick_policy property of kvm-pit instead.\n");
3464 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3465 break;
3466 }
3467 case QEMU_OPTION_usb:
3468 olist = qemu_find_opts("machine");
3469 qemu_opts_parse(olist, "usb=on", 0);
3470 break;
3471 case QEMU_OPTION_usbdevice:
3472 olist = qemu_find_opts("machine");
3473 qemu_opts_parse(olist, "usb=on", 0);
3474 add_device_config(DEV_USB, optarg);
3475 break;
3476 case QEMU_OPTION_device:
3477 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3478 exit(1);
3479 }
3480 break;
3481 case QEMU_OPTION_smp:
3482 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3483 exit(1);
3484 }
3485 break;
3486 case QEMU_OPTION_vnc:
3487 #ifdef CONFIG_VNC
3488 if (vnc_parse_func(optarg) == NULL) {
3489 exit(1);
3490 }
3491 #else
3492 fprintf(stderr, "VNC support is disabled\n");
3493 exit(1);
3494 #endif
3495 break;
3496 case QEMU_OPTION_no_acpi:
3497 acpi_enabled = 0;
3498 break;
3499 case QEMU_OPTION_no_hpet:
3500 no_hpet = 1;
3501 break;
3502 case QEMU_OPTION_balloon:
3503 if (balloon_parse(optarg) < 0) {
3504 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3505 exit(1);
3506 }
3507 break;
3508 case QEMU_OPTION_no_reboot:
3509 no_reboot = 1;
3510 break;
3511 case QEMU_OPTION_no_shutdown:
3512 no_shutdown = 1;
3513 break;
3514 case QEMU_OPTION_show_cursor:
3515 cursor_hide = 0;
3516 break;
3517 case QEMU_OPTION_uuid:
3518 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3519 fprintf(stderr, "Fail to parse UUID string."
3520 " Wrong format.\n");
3521 exit(1);
3522 }
3523 qemu_uuid_set = true;
3524 break;
3525 case QEMU_OPTION_option_rom:
3526 if (nb_option_roms >= MAX_OPTION_ROMS) {
3527 fprintf(stderr, "Too many option ROMs\n");
3528 exit(1);
3529 }
3530 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3531 if (!opts) {
3532 exit(1);
3533 }
3534 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3535 option_rom[nb_option_roms].bootindex =
3536 qemu_opt_get_number(opts, "bootindex", -1);
3537 if (!option_rom[nb_option_roms].name) {
3538 fprintf(stderr, "Option ROM file is not specified\n");
3539 exit(1);
3540 }
3541 nb_option_roms++;
3542 break;
3543 case QEMU_OPTION_semihosting:
3544 semihosting_enabled = 1;
3545 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3546 break;
3547 case QEMU_OPTION_semihosting_config:
3548 semihosting_enabled = 1;
3549 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3550 optarg, 0);
3551 if (opts != NULL) {
3552 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3553 true);
3554 const char *target = qemu_opt_get(opts, "target");
3555 if (target != NULL) {
3556 if (strcmp("native", target) == 0) {
3557 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3558 } else if (strcmp("gdb", target) == 0) {
3559 semihosting_target = SEMIHOSTING_TARGET_GDB;
3560 } else if (strcmp("auto", target) == 0) {
3561 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3562 } else {
3563 fprintf(stderr, "Unsupported semihosting-config"
3564 " %s\n",
3565 optarg);
3566 exit(1);
3567 }
3568 } else {
3569 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3570 }
3571 } else {
3572 fprintf(stderr, "Unsupported semihosting-config %s\n",
3573 optarg);
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_tdf:
3578 fprintf(stderr, "Warning: user space PIT time drift fix "
3579 "is no longer supported.\n");
3580 break;
3581 case QEMU_OPTION_name:
3582 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3583 if (!opts) {
3584 exit(1);
3585 }
3586 break;
3587 case QEMU_OPTION_prom_env:
3588 if (nb_prom_envs >= MAX_PROM_ENVS) {
3589 fprintf(stderr, "Too many prom variables\n");
3590 exit(1);
3591 }
3592 prom_envs[nb_prom_envs] = optarg;
3593 nb_prom_envs++;
3594 break;
3595 case QEMU_OPTION_old_param:
3596 old_param = 1;
3597 break;
3598 case QEMU_OPTION_clock:
3599 /* Clock options no longer exist. Keep this option for
3600 * backward compatibility.
3601 */
3602 break;
3603 case QEMU_OPTION_startdate:
3604 configure_rtc_date_offset(optarg, 1);
3605 break;
3606 case QEMU_OPTION_rtc:
3607 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3608 if (!opts) {
3609 exit(1);
3610 }
3611 configure_rtc(opts);
3612 break;
3613 case QEMU_OPTION_tb_size:
3614 tcg_tb_size = strtol(optarg, NULL, 0);
3615 if (tcg_tb_size < 0) {
3616 tcg_tb_size = 0;
3617 }
3618 break;
3619 case QEMU_OPTION_icount:
3620 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3621 optarg, 1);
3622 if (!icount_opts) {
3623 exit(1);
3624 }
3625 break;
3626 case QEMU_OPTION_incoming:
3627 if (!incoming) {
3628 runstate_set(RUN_STATE_INMIGRATE);
3629 }
3630 incoming = optarg;
3631 break;
3632 case QEMU_OPTION_nodefaults:
3633 has_defaults = 0;
3634 break;
3635 case QEMU_OPTION_xen_domid:
3636 if (!(xen_available())) {
3637 printf("Option %s not supported for this target\n", popt->name);
3638 exit(1);
3639 }
3640 xen_domid = atoi(optarg);
3641 break;
3642 case QEMU_OPTION_xen_create:
3643 if (!(xen_available())) {
3644 printf("Option %s not supported for this target\n", popt->name);
3645 exit(1);
3646 }
3647 xen_mode = XEN_CREATE;
3648 break;
3649 case QEMU_OPTION_xen_attach:
3650 if (!(xen_available())) {
3651 printf("Option %s not supported for this target\n", popt->name);
3652 exit(1);
3653 }
3654 xen_mode = XEN_ATTACH;
3655 break;
3656 case QEMU_OPTION_trace:
3657 {
3658 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 trace_events = qemu_opt_get(opts, "events");
3663 trace_file = qemu_opt_get(opts, "file");
3664 break;
3665 }
3666 case QEMU_OPTION_readconfig:
3667 {
3668 int ret = qemu_read_config_file(optarg);
3669 if (ret < 0) {
3670 fprintf(stderr, "read config %s: %s\n", optarg,
3671 strerror(-ret));
3672 exit(1);
3673 }
3674 break;
3675 }
3676 case QEMU_OPTION_spice:
3677 olist = qemu_find_opts("spice");
3678 if (!olist) {
3679 fprintf(stderr, "spice is not supported by this qemu build.\n");
3680 exit(1);
3681 }
3682 opts = qemu_opts_parse(olist, optarg, 0);
3683 if (!opts) {
3684 exit(1);
3685 }
3686 display_remote++;
3687 break;
3688 case QEMU_OPTION_writeconfig:
3689 {
3690 FILE *fp;
3691 if (strcmp(optarg, "-") == 0) {
3692 fp = stdout;
3693 } else {
3694 fp = fopen(optarg, "w");
3695 if (fp == NULL) {
3696 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3697 exit(1);
3698 }
3699 }
3700 qemu_config_write(fp);
3701 if (fp != stdout) {
3702 fclose(fp);
3703 }
3704 break;
3705 }
3706 case QEMU_OPTION_qtest:
3707 qtest_chrdev = optarg;
3708 break;
3709 case QEMU_OPTION_qtest_log:
3710 qtest_log = optarg;
3711 break;
3712 case QEMU_OPTION_sandbox:
3713 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3714 if (!opts) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_add_fd:
3719 #ifndef _WIN32
3720 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 #else
3725 error_report("File descriptor passing is disabled on this "
3726 "platform");
3727 exit(1);
3728 #endif
3729 break;
3730 case QEMU_OPTION_object:
3731 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3732 if (!opts) {
3733 exit(1);
3734 }
3735 break;
3736 case QEMU_OPTION_realtime:
3737 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3738 if (!opts) {
3739 exit(1);
3740 }
3741 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3742 break;
3743 case QEMU_OPTION_msg:
3744 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3745 if (!opts) {
3746 exit(1);
3747 }
3748 configure_msg(opts);
3749 break;
3750 case QEMU_OPTION_dump_vmstate:
3751 if (vmstate_dump_file) {
3752 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3753 "option may be given\n");
3754 exit(1);
3755 }
3756 vmstate_dump_file = fopen(optarg, "w");
3757 if (vmstate_dump_file == NULL) {
3758 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3759 exit(1);
3760 }
3761 break;
3762 default:
3763 os_parse_cmd_args(popt->index, optarg);
3764 }
3765 }
3766 }
3767
3768 opts = qemu_get_machine_opts();
3769 optarg = qemu_opt_get(opts, "type");
3770 if (optarg) {
3771 machine_class = machine_parse(optarg);
3772 }
3773
3774 if (machine_class == NULL) {
3775 fprintf(stderr, "No machine specified, and there is no default.\n"
3776 "Use -machine help to list supported machines!\n");
3777 exit(1);
3778 }
3779
3780 set_memory_options(&ram_slots, &maxram_size, machine_class);
3781
3782 loc_set_none();
3783
3784 os_daemonize();
3785
3786 if (qemu_init_main_loop(&main_loop_err)) {
3787 error_report_err(main_loop_err);
3788 exit(1);
3789 }
3790
3791 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3792 exit(1);
3793 }
3794
3795 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3796 exit(1);
3797 }
3798
3799 #ifndef _WIN32
3800 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3801 exit(1);
3802 }
3803
3804 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3805 exit(1);
3806 }
3807 #endif
3808
3809 current_machine = MACHINE(object_new(object_class_get_name(
3810 OBJECT_CLASS(machine_class))));
3811 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3812 exit(0);
3813 }
3814 object_property_add_child(object_get_root(), "machine",
3815 OBJECT(current_machine), &error_abort);
3816 cpu_exec_init_all();
3817
3818 if (machine_class->hw_version) {
3819 qemu_set_version(machine_class->hw_version);
3820 }
3821
3822 /* Init CPU def lists, based on config
3823 * - Must be called after all the qemu_read_config_file() calls
3824 * - Must be called before list_cpus()
3825 * - Must be called before machine->init()
3826 */
3827 cpudef_init();
3828
3829 if (cpu_model && is_help_option(cpu_model)) {
3830 list_cpus(stdout, &fprintf, cpu_model);
3831 exit(0);
3832 }
3833
3834 /* Open the logfile at this point, if necessary. We can't open the logfile
3835 * when encountering either of the logging options (-d or -D) because the
3836 * other one may be encountered later on the command line, changing the
3837 * location or level of logging.
3838 */
3839 if (log_mask) {
3840 int mask;
3841 if (log_file) {
3842 qemu_set_log_filename(log_file);
3843 }
3844
3845 mask = qemu_str_to_log_mask(log_mask);
3846 if (!mask) {
3847 qemu_print_log_usage(stdout);
3848 exit(1);
3849 }
3850 qemu_set_log(mask);
3851 }
3852
3853 if (!is_daemonized()) {
3854 if (!trace_init_backends(trace_events, trace_file)) {
3855 exit(1);
3856 }
3857 }
3858
3859 /* If no data_dir is specified then try to find it relative to the
3860 executable path. */
3861 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3862 data_dir[data_dir_idx] = os_find_datadir();
3863 if (data_dir[data_dir_idx] != NULL) {
3864 data_dir_idx++;
3865 }
3866 }
3867 /* If all else fails use the install path specified when building. */
3868 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3869 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3870 }
3871
3872 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3873
3874 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3875 if (max_cpus > machine_class->max_cpus) {
3876 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3877 "supported by machine `%s' (%d)\n", max_cpus,
3878 machine_class->name, machine_class->max_cpus);
3879 exit(1);
3880 }
3881
3882 /*
3883 * Get the default machine options from the machine if it is not already
3884 * specified either by the configuration file or by the command line.
3885 */
3886 if (machine_class->default_machine_opts) {
3887 qemu_opts_set_defaults(qemu_find_opts("machine"),
3888 machine_class->default_machine_opts, 0);
3889 }
3890
3891 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3892 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3893
3894 if (!vga_model && !default_vga) {
3895 vga_interface_type = VGA_DEVICE;
3896 }
3897 if (!has_defaults || machine_class->no_serial) {
3898 default_serial = 0;
3899 }
3900 if (!has_defaults || machine_class->no_parallel) {
3901 default_parallel = 0;
3902 }
3903 if (!has_defaults || !machine_class->use_virtcon) {
3904 default_virtcon = 0;
3905 }
3906 if (!has_defaults || !machine_class->use_sclp) {
3907 default_sclp = 0;
3908 }
3909 if (!has_defaults || machine_class->no_floppy) {
3910 default_floppy = 0;
3911 }
3912 if (!has_defaults || machine_class->no_cdrom) {
3913 default_cdrom = 0;
3914 }
3915 if (!has_defaults || machine_class->no_sdcard) {
3916 default_sdcard = 0;
3917 }
3918 if (!has_defaults) {
3919 default_monitor = 0;
3920 default_net = 0;
3921 default_vga = 0;
3922 }
3923
3924 if (is_daemonized()) {
3925 /* According to documentation and historically, -nographic redirects
3926 * serial port, parallel port and monitor to stdio, which does not work
3927 * with -daemonize. We can redirect these to null instead, but since
3928 * -nographic is legacy, let's just error out.
3929 * We disallow -nographic only if all other ports are not redirected
3930 * explicitly, to not break existing legacy setups which uses
3931 * -nographic _and_ redirects all ports explicitly - this is valid
3932 * usage, -nographic is just a no-op in this case.
3933 */
3934 if (display_type == DT_NOGRAPHIC
3935 && (default_parallel || default_serial
3936 || default_monitor || default_virtcon)) {
3937 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3938 exit(1);
3939 }
3940 #ifdef CONFIG_CURSES
3941 if (display_type == DT_CURSES) {
3942 fprintf(stderr, "curses display can not be used with -daemonize\n");
3943 exit(1);
3944 }
3945 #endif
3946 }
3947
3948 if (display_type == DT_NOGRAPHIC) {
3949 if (default_parallel)
3950 add_device_config(DEV_PARALLEL, "null");
3951 if (default_serial && default_monitor) {
3952 add_device_config(DEV_SERIAL, "mon:stdio");
3953 } else if (default_virtcon && default_monitor) {
3954 add_device_config(DEV_VIRTCON, "mon:stdio");
3955 } else if (default_sclp && default_monitor) {
3956 add_device_config(DEV_SCLP, "mon:stdio");
3957 } else {
3958 if (default_serial)
3959 add_device_config(DEV_SERIAL, "stdio");
3960 if (default_virtcon)
3961 add_device_config(DEV_VIRTCON, "stdio");
3962 if (default_sclp) {
3963 add_device_config(DEV_SCLP, "stdio");
3964 }
3965 if (default_monitor)
3966 monitor_parse("stdio", "readline", false);
3967 }
3968 } else {
3969 if (default_serial)
3970 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3971 if (default_parallel)
3972 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3973 if (default_monitor)
3974 monitor_parse("vc:80Cx24C", "readline", false);
3975 if (default_virtcon)
3976 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3977 if (default_sclp) {
3978 add_device_config(DEV_SCLP, "vc:80Cx24C");
3979 }
3980 }
3981
3982 #if defined(CONFIG_VNC)
3983 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3984 display_remote++;
3985 }
3986 #endif
3987 if (display_type == DT_DEFAULT && !display_remote) {
3988 #if defined(CONFIG_GTK)
3989 display_type = DT_GTK;
3990 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3991 display_type = DT_SDL;
3992 #elif defined(CONFIG_VNC)
3993 vnc_parse_func("localhost:0,to=99,id=default");
3994 show_vnc_port = 1;
3995 #else
3996 display_type = DT_NONE;
3997 #endif
3998 }
3999
4000 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4001 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4002 "for SDL, ignoring option\n");
4003 }
4004 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4005 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4006 "ignoring option\n");
4007 }
4008
4009 #if defined(CONFIG_GTK)
4010 if (display_type == DT_GTK) {
4011 early_gtk_display_init(request_opengl);
4012 }
4013 #endif
4014 #if defined(CONFIG_SDL)
4015 if (display_type == DT_SDL) {
4016 sdl_display_early_init(request_opengl);
4017 }
4018 #endif
4019 if (request_opengl == 1 && display_opengl == 0) {
4020 #if defined(CONFIG_OPENGL)
4021 fprintf(stderr, "OpenGL is not supported by the display.\n");
4022 #else
4023 fprintf(stderr, "QEMU was built without opengl support.\n");
4024 #endif
4025 exit(1);
4026 }
4027
4028 socket_init();
4029
4030 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4031 exit(1);
4032 #ifdef CONFIG_VIRTFS
4033 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4034 exit(1);
4035 }
4036 #endif
4037
4038 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4039 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4040 exit(1);
4041 }
4042
4043 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4044 != 0) {
4045 exit(0);
4046 }
4047
4048 if (qemu_opts_foreach(qemu_find_opts("object"),
4049 object_create, NULL, 0) != 0) {
4050 exit(1);
4051 }
4052
4053 machine_opts = qemu_get_machine_opts();
4054 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4055 1) < 0) {
4056 object_unref(OBJECT(current_machine));
4057 exit(1);
4058 }
4059
4060 configure_accelerator(current_machine);
4061
4062 if (qtest_chrdev) {
4063 Error *local_err = NULL;
4064 qtest_init(qtest_chrdev, qtest_log, &local_err);
4065 if (local_err) {
4066 error_report_err(local_err);
4067 exit(1);
4068 }
4069 }
4070
4071 machine_opts = qemu_get_machine_opts();
4072 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4073 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4074 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4075 bios_name = qemu_opt_get(machine_opts, "firmware");
4076
4077 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4078 if (opts) {
4079 Error *local_err = NULL;
4080
4081 boot_order = qemu_opt_get(opts, "order");
4082 if (boot_order) {
4083 validate_bootdevices(boot_order, &local_err);
4084 if (local_err) {
4085 error_report_err(local_err);
4086 exit(1);
4087 }
4088 }
4089
4090 boot_once = qemu_opt_get(opts, "once");
4091 if (boot_once) {
4092 validate_bootdevices(boot_once, &local_err);
4093 if (local_err) {
4094 error_report_err(local_err);
4095 exit(1);
4096 }
4097 }
4098
4099 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4100 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4101 }
4102
4103 if (!boot_order) {
4104 boot_order = machine_class->default_boot_order;
4105 }
4106
4107 if (!kernel_cmdline) {
4108 kernel_cmdline = "";
4109 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4110 }
4111
4112 linux_boot = (kernel_filename != NULL);
4113
4114 if (!linux_boot && *kernel_cmdline != '\0') {
4115 fprintf(stderr, "-append only allowed with -kernel option\n");
4116 exit(1);
4117 }
4118
4119 if (!linux_boot && initrd_filename != NULL) {
4120 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4121 exit(1);
4122 }
4123
4124 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4125 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4126 exit(1);
4127 }
4128
4129 os_set_line_buffering();
4130
4131 #ifdef CONFIG_SPICE
4132 /* spice needs the timers to be initialized by this point */
4133 qemu_spice_init();
4134 #endif
4135
4136 cpu_ticks_init();
4137 if (icount_opts) {
4138 if (kvm_enabled() || xen_enabled()) {
4139 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4140 exit(1);
4141 }
4142 configure_icount(icount_opts, &error_abort);
4143 qemu_opts_del(icount_opts);
4144 }
4145
4146 /* clean up network at qemu process termination */
4147 atexit(&net_cleanup);
4148
4149 if (net_init_clients() < 0) {
4150 exit(1);
4151 }
4152
4153 #ifdef CONFIG_TPM
4154 if (tpm_init() < 0) {
4155 exit(1);
4156 }
4157 #endif
4158
4159 /* init the bluetooth world */
4160 if (foreach_device_config(DEV_BT, bt_parse))
4161 exit(1);
4162
4163 if (!xen_enabled()) {
4164 /* On 32-bit hosts, QEMU is limited by virtual address space */
4165 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4166 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4167 exit(1);
4168 }
4169 }
4170
4171 blk_mig_init();
4172 ram_mig_init();
4173
4174 /* If the currently selected machine wishes to override the units-per-bus
4175 * property of its default HBA interface type, do so now. */
4176 if (machine_class->units_per_default_bus) {
4177 override_max_devs(machine_class->block_default_type,
4178 machine_class->units_per_default_bus);
4179 }
4180
4181 /* open the virtual block devices */
4182 if (snapshot)
4183 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4184 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4185 &machine_class->block_default_type, 1) != 0) {
4186 exit(1);
4187 }
4188
4189 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4190 CDROM_OPTS);
4191 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4192 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4193
4194 parse_numa_opts(machine_class);
4195
4196 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4197 exit(1);
4198 }
4199
4200 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4201 exit(1);
4202 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4203 exit(1);
4204 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4205 exit(1);
4206 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4207 exit(1);
4208 }
4209 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4210 exit(1);
4211
4212 /* If no default VGA is requested, the default is "none". */
4213 if (default_vga) {
4214 if (machine_class->default_display) {
4215 vga_model = machine_class->default_display;
4216 } else if (cirrus_vga_available()) {
4217 vga_model = "cirrus";
4218 } else if (vga_available()) {
4219 vga_model = "std";
4220 }
4221 }
4222 if (vga_model) {
4223 select_vgahw(vga_model);
4224 }
4225
4226 if (watchdog) {
4227 i = select_watchdog(watchdog);
4228 if (i > 0)
4229 exit (i == 1 ? 1 : 0);
4230 }
4231
4232 if (machine_class->compat_props) {
4233 qdev_prop_register_global_list(machine_class->compat_props);
4234 }
4235 qemu_add_globals();
4236
4237 qdev_machine_init();
4238
4239 current_machine->ram_size = ram_size;
4240 current_machine->maxram_size = maxram_size;
4241 current_machine->ram_slots = ram_slots;
4242 current_machine->boot_order = boot_order;
4243 current_machine->cpu_model = cpu_model;
4244
4245 machine_class->init(current_machine);
4246
4247 realtime_init();
4248
4249 audio_init();
4250
4251 cpu_synchronize_all_post_init();
4252
4253 numa_post_machine_init();
4254
4255 /* init USB devices */
4256 if (usb_enabled()) {
4257 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4258 exit(1);
4259 }
4260
4261 /* init generic devices */
4262 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4263 exit(1);
4264
4265 /* Did we create any drives that we failed to create a device for? */
4266 drive_check_orphaned();
4267
4268 net_check_clients();
4269
4270 if (boot_once) {
4271 Error *local_err = NULL;
4272 qemu_boot_set(boot_once, &local_err);
4273 if (local_err) {
4274 error_report("%s", error_get_pretty(local_err));
4275 exit(1);
4276 }
4277 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4278 }
4279
4280 ds = init_displaystate();
4281
4282 /* init local displays */
4283 switch (display_type) {
4284 case DT_NOGRAPHIC:
4285 (void)ds; /* avoid warning if no display is configured */
4286 break;
4287 #if defined(CONFIG_CURSES)
4288 case DT_CURSES:
4289 curses_display_init(ds, full_screen);
4290 break;
4291 #endif
4292 #if defined(CONFIG_SDL)
4293 case DT_SDL:
4294 sdl_display_init(ds, full_screen, no_frame);
4295 break;
4296 #elif defined(CONFIG_COCOA)
4297 case DT_SDL:
4298 cocoa_display_init(ds, full_screen);
4299 break;
4300 #endif
4301 #if defined(CONFIG_GTK)
4302 case DT_GTK:
4303 gtk_display_init(ds, full_screen, grab_on_hover);
4304 break;
4305 #endif
4306 default:
4307 break;
4308 }
4309
4310 /* must be after terminal init, SDL library changes signal handlers */
4311 os_setup_signal_handling();
4312
4313 #ifdef CONFIG_VNC
4314 /* init remote displays */
4315 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4316 if (show_vnc_port) {
4317 char *ret = vnc_display_local_addr("default");
4318 printf("VNC server running on `%s'\n", ret);
4319 g_free(ret);
4320 }
4321 #endif
4322 #ifdef CONFIG_SPICE
4323 if (using_spice) {
4324 qemu_spice_display_init();
4325 }
4326 #endif
4327
4328 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4329 exit(1);
4330 }
4331
4332 qdev_machine_creation_done();
4333
4334 if (rom_load_all() != 0) {
4335 fprintf(stderr, "rom loading failed\n");
4336 exit(1);
4337 }
4338
4339 /* TODO: once all bus devices are qdevified, this should be done
4340 * when bus is created by qdev.c */
4341 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4342 qemu_run_machine_init_done_notifiers();
4343
4344 /* Done notifiers can load ROMs */
4345 rom_load_done();
4346
4347 qemu_system_reset(VMRESET_SILENT);
4348 if (loadvm) {
4349 if (load_vmstate(loadvm) < 0) {
4350 autostart = 0;
4351 }
4352 }
4353
4354 qdev_prop_check_globals();
4355 if (vmstate_dump_file) {
4356 /* dump and exit */
4357 dump_vmstate_json_to_file(vmstate_dump_file);
4358 return 0;
4359 }
4360
4361 if (incoming) {
4362 Error *local_err = NULL;
4363 qemu_start_incoming_migration(incoming, &local_err);
4364 if (local_err) {
4365 error_report("-incoming %s: %s", incoming,
4366 error_get_pretty(local_err));
4367 error_free(local_err);
4368 exit(1);
4369 }
4370 } else if (autostart) {
4371 vm_start();
4372 }
4373
4374 os_setup_post();
4375
4376 if (is_daemonized()) {
4377 if (!trace_init_backends(trace_events, trace_file)) {
4378 exit(1);
4379 }
4380 }
4381
4382 main_loop();
4383 bdrv_close_all();
4384 pause_all_vcpus();
4385 res_free();
4386 #ifdef CONFIG_TPM
4387 tpm_cleanup();
4388 #endif
4389
4390 return 0;
4391 }
AR7 emulation for QEMU