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gdbstub: Fix qOffsets packet detection
[qemu/qmp-unstable.git] / vl.c
blob15bccc49a25ff70b96a1f1873caafed9287fc1fb
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 #ifdef CONFIG_GTK
152 static bool grab_on_hover;
153 #endif
154 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
155 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
156 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 0;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_trace_opts = {
270 .name = "trace",
271 .implied_opt_name = "trace",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
273 .desc = {
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 },
474 { /* end of list */ }
475 },
476 };
477
478 static QemuOptsList qemu_semihosting_config_opts = {
479 .name = "semihosting-config",
480 .implied_opt_name = "enable",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
482 .desc = {
483 {
484 .name = "enable",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "target",
488 .type = QEMU_OPT_STRING,
489 },
490 { /* end of list */ }
491 },
492 };
493
494 /**
495 * Get machine options
496 *
497 * Returns: machine options (never null).
498 */
499 QemuOpts *qemu_get_machine_opts(void)
500 {
501 return qemu_find_opts_singleton("machine");
502 }
503
504 const char *qemu_get_vm_name(void)
505 {
506 return qemu_name;
507 }
508
509 static void res_free(void)
510 {
511 if (boot_splash_filedata != NULL) {
512 g_free(boot_splash_filedata);
513 boot_splash_filedata = NULL;
514 }
515 }
516
517 static int default_driver_check(QemuOpts *opts, void *opaque)
518 {
519 const char *driver = qemu_opt_get(opts, "driver");
520 int i;
521
522 if (!driver)
523 return 0;
524 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
525 if (strcmp(default_list[i].driver, driver) != 0)
526 continue;
527 *(default_list[i].flag) = 0;
528 }
529 return 0;
530 }
531
532 /***********************************************************/
533 /* QEMU state */
534
535 static RunState current_run_state = RUN_STATE_PRELAUNCH;
536
537 /* We use RUN_STATE_MAX but any invalid value will do */
538 static RunState vmstop_requested = RUN_STATE_MAX;
539 static QemuMutex vmstop_lock;
540
541 typedef struct {
542 RunState from;
543 RunState to;
544 } RunStateTransition;
545
546 static const RunStateTransition runstate_transitions_def[] = {
547 /* from -> to */
548 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
549 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
550
551 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
552 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
553
554 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
555 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
556
557 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
558 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
559
560 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
561 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
562
563 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
564 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
565
566 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
567 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
568 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
569
570 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
571 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
572
573 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
574
575 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
576 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
577 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
578 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
579 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
580 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
581 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
582 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
583 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
584 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
585
586 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
587
588 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
589 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
592 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
593 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
594 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
597 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
600 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_MAX, RUN_STATE_MAX },
603 };
604
605 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
606
607 bool runstate_check(RunState state)
608 {
609 return current_run_state == state;
610 }
611
612 static void runstate_init(void)
613 {
614 const RunStateTransition *p;
615
616 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
617 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
618 runstate_valid_transitions[p->from][p->to] = true;
619 }
620
621 qemu_mutex_init(&vmstop_lock);
622 }
623
624 /* This function will abort() on invalid state transitions */
625 void runstate_set(RunState new_state)
626 {
627 assert(new_state < RUN_STATE_MAX);
628
629 if (!runstate_valid_transitions[current_run_state][new_state]) {
630 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
631 RunState_lookup[current_run_state],
632 RunState_lookup[new_state]);
633 abort();
634 }
635 trace_runstate_set(new_state);
636 current_run_state = new_state;
637 }
638
639 int runstate_is_running(void)
640 {
641 return runstate_check(RUN_STATE_RUNNING);
642 }
643
644 bool runstate_needs_reset(void)
645 {
646 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
647 runstate_check(RUN_STATE_SHUTDOWN);
648 }
649
650 StatusInfo *qmp_query_status(Error **errp)
651 {
652 StatusInfo *info = g_malloc0(sizeof(*info));
653
654 info->running = runstate_is_running();
655 info->singlestep = singlestep;
656 info->status = current_run_state;
657
658 return info;
659 }
660
661 static bool qemu_vmstop_requested(RunState *r)
662 {
663 qemu_mutex_lock(&vmstop_lock);
664 *r = vmstop_requested;
665 vmstop_requested = RUN_STATE_MAX;
666 qemu_mutex_unlock(&vmstop_lock);
667 return *r < RUN_STATE_MAX;
668 }
669
670 void qemu_system_vmstop_request_prepare(void)
671 {
672 qemu_mutex_lock(&vmstop_lock);
673 }
674
675 void qemu_system_vmstop_request(RunState state)
676 {
677 vmstop_requested = state;
678 qemu_mutex_unlock(&vmstop_lock);
679 qemu_notify_event();
680 }
681
682 void vm_start(void)
683 {
684 RunState requested;
685
686 qemu_vmstop_requested(&requested);
687 if (runstate_is_running() && requested == RUN_STATE_MAX) {
688 return;
689 }
690
691 /* Ensure that a STOP/RESUME pair of events is emitted if a
692 * vmstop request was pending. The BLOCK_IO_ERROR event, for
693 * example, according to documentation is always followed by
694 * the STOP event.
695 */
696 if (runstate_is_running()) {
697 qapi_event_send_stop(&error_abort);
698 } else {
699 cpu_enable_ticks();
700 runstate_set(RUN_STATE_RUNNING);
701 vm_state_notify(1, RUN_STATE_RUNNING);
702 resume_all_vcpus();
703 }
704
705 qapi_event_send_resume(&error_abort);
706 }
707
708
709 /***********************************************************/
710 /* real time host monotonic timer */
711
712 static time_t qemu_time(void)
713 {
714 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
715 }
716
717 /***********************************************************/
718 /* host time/date access */
719 void qemu_get_timedate(struct tm *tm, int offset)
720 {
721 time_t ti = qemu_time();
722
723 ti += offset;
724 if (rtc_date_offset == -1) {
725 if (rtc_utc)
726 gmtime_r(&ti, tm);
727 else
728 localtime_r(&ti, tm);
729 } else {
730 ti -= rtc_date_offset;
731 gmtime_r(&ti, tm);
732 }
733 }
734
735 int qemu_timedate_diff(struct tm *tm)
736 {
737 time_t seconds;
738
739 if (rtc_date_offset == -1)
740 if (rtc_utc)
741 seconds = mktimegm(tm);
742 else {
743 struct tm tmp = *tm;
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
746 }
747 else
748 seconds = mktimegm(tm) + rtc_date_offset;
749
750 return seconds - qemu_time();
751 }
752
753 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 {
755 time_t rtc_start_date;
756 struct tm tm;
757
758 if (!strcmp(startdate, "now") && legacy) {
759 rtc_date_offset = -1;
760 } else {
761 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
762 &tm.tm_year,
763 &tm.tm_mon,
764 &tm.tm_mday,
765 &tm.tm_hour,
766 &tm.tm_min,
767 &tm.tm_sec) == 6) {
768 /* OK */
769 } else if (sscanf(startdate, "%d-%d-%d",
770 &tm.tm_year,
771 &tm.tm_mon,
772 &tm.tm_mday) == 3) {
773 tm.tm_hour = 0;
774 tm.tm_min = 0;
775 tm.tm_sec = 0;
776 } else {
777 goto date_fail;
778 }
779 tm.tm_year -= 1900;
780 tm.tm_mon--;
781 rtc_start_date = mktimegm(&tm);
782 if (rtc_start_date == -1) {
783 date_fail:
784 fprintf(stderr, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
786 exit(1);
787 }
788 rtc_date_offset = qemu_time() - rtc_start_date;
789 }
790 }
791
792 static void configure_rtc(QemuOpts *opts)
793 {
794 const char *value;
795
796 value = qemu_opt_get(opts, "base");
797 if (value) {
798 if (!strcmp(value, "utc")) {
799 rtc_utc = 1;
800 } else if (!strcmp(value, "localtime")) {
801 rtc_utc = 0;
802 } else {
803 configure_rtc_date_offset(value, 0);
804 }
805 }
806 value = qemu_opt_get(opts, "clock");
807 if (value) {
808 if (!strcmp(value, "host")) {
809 rtc_clock = QEMU_CLOCK_HOST;
810 } else if (!strcmp(value, "rt")) {
811 rtc_clock = QEMU_CLOCK_REALTIME;
812 } else if (!strcmp(value, "vm")) {
813 rtc_clock = QEMU_CLOCK_VIRTUAL;
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
817 }
818 }
819 value = qemu_opt_get(opts, "driftfix");
820 if (value) {
821 if (!strcmp(value, "slew")) {
822 static GlobalProperty slew_lost_ticks[] = {
823 {
824 .driver = "mc146818rtc",
825 .property = "lost_tick_policy",
826 .value = "slew",
827 },
828 { /* end of list */ }
829 };
830
831 qdev_prop_register_global_list(slew_lost_ticks);
832 } else if (!strcmp(value, "none")) {
833 /* discard is default */
834 } else {
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
836 exit(1);
837 }
838 }
839 }
840
841 /***********************************************************/
842 /* Bluetooth support */
843 static int nb_hcis;
844 static int cur_hci;
845 static struct HCIInfo *hci_table[MAX_NICS];
846
847 struct HCIInfo *qemu_next_hci(void)
848 {
849 if (cur_hci == nb_hcis)
850 return &null_hci;
851
852 return hci_table[cur_hci++];
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 static int parse_name(QemuOpts *opts, void *opaque)
984 {
985 const char *proc_name;
986
987 if (qemu_opt_get(opts, "debug-threads")) {
988 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
989 }
990 qemu_name = qemu_opt_get(opts, "guest");
991
992 proc_name = qemu_opt_get(opts, "process");
993 if (proc_name) {
994 os_set_proc_name(proc_name);
995 }
996
997 return 0;
998 }
999
1000 bool defaults_enabled(void)
1001 {
1002 return has_defaults;
1003 }
1004
1005 bool usb_enabled(void)
1006 {
1007 return machine_usb(current_machine);
1008 }
1009
1010 #ifndef _WIN32
1011 static int parse_add_fd(QemuOpts *opts, void *opaque)
1012 {
1013 int fd, dupfd, flags;
1014 int64_t fdset_id;
1015 const char *fd_opaque = NULL;
1016 AddfdInfo *fdinfo;
1017
1018 fd = qemu_opt_get_number(opts, "fd", -1);
1019 fdset_id = qemu_opt_get_number(opts, "set", -1);
1020 fd_opaque = qemu_opt_get(opts, "opaque");
1021
1022 if (fd < 0) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd option is required and must be non-negative");
1025 return -1;
1026 }
1027
1028 if (fd <= STDERR_FILENO) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "fd cannot be a standard I/O stream");
1031 return -1;
1032 }
1033
1034 /*
1035 * All fds inherited across exec() necessarily have FD_CLOEXEC
1036 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1037 */
1038 flags = fcntl(fd, F_GETFD);
1039 if (flags == -1 || (flags & FD_CLOEXEC)) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "fd is not valid or already in use");
1042 return -1;
1043 }
1044
1045 if (fdset_id < 0) {
1046 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1047 "set option is required and must be non-negative");
1048 return -1;
1049 }
1050
1051 #ifdef F_DUPFD_CLOEXEC
1052 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1053 #else
1054 dupfd = dup(fd);
1055 if (dupfd != -1) {
1056 qemu_set_cloexec(dupfd);
1057 }
1058 #endif
1059 if (dupfd == -1) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "Error duplicating fd: %s", strerror(errno));
1062 return -1;
1063 }
1064
1065 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1066 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1067 &error_abort);
1068 g_free(fdinfo);
1069
1070 return 0;
1071 }
1072
1073 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1074 {
1075 int fd;
1076
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 close(fd);
1079
1080 return 0;
1081 }
1082 #endif
1083
1084 /***********************************************************/
1085 /* QEMU Block devices */
1086
1087 #define HD_OPTS "media=disk"
1088 #define CDROM_OPTS "media=cdrom"
1089 #define FD_OPTS ""
1090 #define PFLASH_OPTS ""
1091 #define MTD_OPTS ""
1092 #define SD_OPTS ""
1093
1094 static int drive_init_func(QemuOpts *opts, void *opaque)
1095 {
1096 BlockInterfaceType *block_default_type = opaque;
1097
1098 return drive_new(opts, *block_default_type) == NULL;
1099 }
1100
1101 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1102 {
1103 if (qemu_opt_get(opts, "snapshot") == NULL) {
1104 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1105 }
1106 return 0;
1107 }
1108
1109 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1110 int index, const char *optstr)
1111 {
1112 QemuOpts *opts;
1113 DriveInfo *dinfo;
1114
1115 if (!enable || drive_get_by_index(type, index)) {
1116 return;
1117 }
1118
1119 opts = drive_add(type, index, NULL, optstr);
1120 if (snapshot) {
1121 drive_enable_snapshot(opts, NULL);
1122 }
1123
1124 dinfo = drive_new(opts, type);
1125 if (!dinfo) {
1126 exit(1);
1127 }
1128 dinfo->is_default = true;
1129
1130 }
1131
1132 static QemuOptsList qemu_smp_opts = {
1133 .name = "smp-opts",
1134 .implied_opt_name = "cpus",
1135 .merge_lists = true,
1136 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1137 .desc = {
1138 {
1139 .name = "cpus",
1140 .type = QEMU_OPT_NUMBER,
1141 }, {
1142 .name = "sockets",
1143 .type = QEMU_OPT_NUMBER,
1144 }, {
1145 .name = "cores",
1146 .type = QEMU_OPT_NUMBER,
1147 }, {
1148 .name = "threads",
1149 .type = QEMU_OPT_NUMBER,
1150 }, {
1151 .name = "maxcpus",
1152 .type = QEMU_OPT_NUMBER,
1153 },
1154 { /*End of list */ }
1155 },
1156 };
1157
1158 static void smp_parse(QemuOpts *opts)
1159 {
1160 if (opts) {
1161
1162 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1163 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1164 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1165 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1166
1167 /* compute missing values, prefer sockets over cores over threads */
1168 if (cpus == 0 || sockets == 0) {
1169 sockets = sockets > 0 ? sockets : 1;
1170 cores = cores > 0 ? cores : 1;
1171 threads = threads > 0 ? threads : 1;
1172 if (cpus == 0) {
1173 cpus = cores * threads * sockets;
1174 }
1175 } else if (cores == 0) {
1176 threads = threads > 0 ? threads : 1;
1177 cores = cpus / (sockets * threads);
1178 } else if (threads == 0) {
1179 threads = cpus / (cores * sockets);
1180 } else if (sockets * cores * threads < cpus) {
1181 fprintf(stderr, "cpu topology: error: "
1182 "sockets (%u) * cores (%u) * threads (%u) < "
1183 "smp_cpus (%u)\n",
1184 sockets, cores, threads, cpus);
1185 exit(1);
1186 }
1187
1188 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1189
1190 smp_cpus = cpus;
1191 smp_cores = cores > 0 ? cores : 1;
1192 smp_threads = threads > 0 ? threads : 1;
1193
1194 }
1195
1196 if (max_cpus == 0) {
1197 max_cpus = smp_cpus;
1198 }
1199
1200 if (max_cpus > MAX_CPUMASK_BITS) {
1201 fprintf(stderr, "Unsupported number of maxcpus\n");
1202 exit(1);
1203 }
1204 if (max_cpus < smp_cpus) {
1205 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1206 exit(1);
1207 }
1208
1209 }
1210
1211 static void realtime_init(void)
1212 {
1213 if (enable_mlock) {
1214 if (os_mlock() < 0) {
1215 fprintf(stderr, "qemu: locking memory failed\n");
1216 exit(1);
1217 }
1218 }
1219 }
1220
1221
1222 static void configure_msg(QemuOpts *opts)
1223 {
1224 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1225 }
1226
1227 /***********************************************************/
1228 /* USB devices */
1229
1230 static int usb_device_add(const char *devname)
1231 {
1232 USBDevice *dev = NULL;
1233 #ifndef CONFIG_LINUX
1234 const char *p;
1235 #endif
1236
1237 if (!usb_enabled()) {
1238 return -1;
1239 }
1240
1241 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1242 dev = usbdevice_create(devname);
1243 if (dev)
1244 goto done;
1245
1246 /* the other ones */
1247 #ifndef CONFIG_LINUX
1248 /* only the linux version is qdev-ified, usb-bsd still needs this */
1249 if (strstart(devname, "host:", &p)) {
1250 dev = usb_host_device_open(usb_bus_find(-1), p);
1251 }
1252 #endif
1253 if (!dev)
1254 return -1;
1255
1256 done:
1257 return 0;
1258 }
1259
1260 static int usb_device_del(const char *devname)
1261 {
1262 int bus_num, addr;
1263 const char *p;
1264
1265 if (strstart(devname, "host:", &p)) {
1266 return -1;
1267 }
1268
1269 if (!usb_enabled()) {
1270 return -1;
1271 }
1272
1273 p = strchr(devname, '.');
1274 if (!p)
1275 return -1;
1276 bus_num = strtoul(devname, NULL, 0);
1277 addr = strtoul(p + 1, NULL, 0);
1278
1279 return usb_device_delete_addr(bus_num, addr);
1280 }
1281
1282 static int usb_parse(const char *cmdline)
1283 {
1284 int r;
1285 r = usb_device_add(cmdline);
1286 if (r < 0) {
1287 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1288 }
1289 return r;
1290 }
1291
1292 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1293 {
1294 const char *devname = qdict_get_str(qdict, "devname");
1295 if (usb_device_add(devname) < 0) {
1296 error_report("could not add USB device '%s'", devname);
1297 }
1298 }
1299
1300 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1301 {
1302 const char *devname = qdict_get_str(qdict, "devname");
1303 if (usb_device_del(devname) < 0) {
1304 error_report("could not delete USB device '%s'", devname);
1305 }
1306 }
1307
1308 /***********************************************************/
1309 /* machine registration */
1310
1311 MachineState *current_machine;
1312
1313 static void machine_class_init(ObjectClass *oc, void *data)
1314 {
1315 MachineClass *mc = MACHINE_CLASS(oc);
1316 QEMUMachine *qm = data;
1317
1318 mc->family = qm->family;
1319 mc->name = qm->name;
1320 mc->alias = qm->alias;
1321 mc->desc = qm->desc;
1322 mc->init = qm->init;
1323 mc->reset = qm->reset;
1324 mc->hot_add_cpu = qm->hot_add_cpu;
1325 mc->kvm_type = qm->kvm_type;
1326 mc->block_default_type = qm->block_default_type;
1327 mc->units_per_default_bus = qm->units_per_default_bus;
1328 mc->max_cpus = qm->max_cpus;
1329 mc->no_serial = qm->no_serial;
1330 mc->no_parallel = qm->no_parallel;
1331 mc->use_virtcon = qm->use_virtcon;
1332 mc->use_sclp = qm->use_sclp;
1333 mc->no_floppy = qm->no_floppy;
1334 mc->no_cdrom = qm->no_cdrom;
1335 mc->no_sdcard = qm->no_sdcard;
1336 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1337 mc->is_default = qm->is_default;
1338 mc->default_machine_opts = qm->default_machine_opts;
1339 mc->default_boot_order = qm->default_boot_order;
1340 mc->default_display = qm->default_display;
1341 mc->compat_props = qm->compat_props;
1342 mc->hw_version = qm->hw_version;
1343 }
1344
1345 int qemu_register_machine(QEMUMachine *m)
1346 {
1347 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1348 TypeInfo ti = {
1349 .name = name,
1350 .parent = TYPE_MACHINE,
1351 .class_init = machine_class_init,
1352 .class_data = (void *)m,
1353 };
1354
1355 type_register(&ti);
1356 g_free(name);
1357
1358 return 0;
1359 }
1360
1361 static MachineClass *find_machine(const char *name)
1362 {
1363 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1364 MachineClass *mc = NULL;
1365
1366 for (el = machines; el; el = el->next) {
1367 MachineClass *temp = el->data;
1368
1369 if (!strcmp(temp->name, name)) {
1370 mc = temp;
1371 break;
1372 }
1373 if (temp->alias &&
1374 !strcmp(temp->alias, name)) {
1375 mc = temp;
1376 break;
1377 }
1378 }
1379
1380 g_slist_free(machines);
1381 return mc;
1382 }
1383
1384 MachineClass *find_default_machine(void)
1385 {
1386 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1387 MachineClass *mc = NULL;
1388
1389 for (el = machines; el; el = el->next) {
1390 MachineClass *temp = el->data;
1391
1392 if (temp->is_default) {
1393 mc = temp;
1394 break;
1395 }
1396 }
1397
1398 g_slist_free(machines);
1399 return mc;
1400 }
1401
1402 MachineInfoList *qmp_query_machines(Error **errp)
1403 {
1404 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1405 MachineInfoList *mach_list = NULL;
1406
1407 for (el = machines; el; el = el->next) {
1408 MachineClass *mc = el->data;
1409 MachineInfoList *entry;
1410 MachineInfo *info;
1411
1412 info = g_malloc0(sizeof(*info));
1413 if (mc->is_default) {
1414 info->has_is_default = true;
1415 info->is_default = true;
1416 }
1417
1418 if (mc->alias) {
1419 info->has_alias = true;
1420 info->alias = g_strdup(mc->alias);
1421 }
1422
1423 info->name = g_strdup(mc->name);
1424 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1425
1426 entry = g_malloc0(sizeof(*entry));
1427 entry->value = info;
1428 entry->next = mach_list;
1429 mach_list = entry;
1430 }
1431
1432 g_slist_free(machines);
1433 return mach_list;
1434 }
1435
1436 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1437 {
1438 ObjectProperty *prop;
1439
1440 if (!qemu_opt_has_help_opt(opts)) {
1441 return 0;
1442 }
1443
1444 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1445 if (!prop->set) {
1446 continue;
1447 }
1448
1449 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1450 prop->name, prop->type);
1451 if (prop->description) {
1452 error_printf(" (%s)\n", prop->description);
1453 } else {
1454 error_printf("\n");
1455 }
1456 }
1457
1458 return 1;
1459 }
1460
1461 /***********************************************************/
1462 /* main execution loop */
1463
1464 struct vm_change_state_entry {
1465 VMChangeStateHandler *cb;
1466 void *opaque;
1467 QLIST_ENTRY (vm_change_state_entry) entries;
1468 };
1469
1470 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1471
1472 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1473 void *opaque)
1474 {
1475 VMChangeStateEntry *e;
1476
1477 e = g_malloc0(sizeof (*e));
1478
1479 e->cb = cb;
1480 e->opaque = opaque;
1481 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1482 return e;
1483 }
1484
1485 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1486 {
1487 QLIST_REMOVE (e, entries);
1488 g_free (e);
1489 }
1490
1491 void vm_state_notify(int running, RunState state)
1492 {
1493 VMChangeStateEntry *e, *next;
1494
1495 trace_vm_state_notify(running, state);
1496
1497 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1498 e->cb(e->opaque, running, state);
1499 }
1500 }
1501
1502 /* reset/shutdown handler */
1503
1504 typedef struct QEMUResetEntry {
1505 QTAILQ_ENTRY(QEMUResetEntry) entry;
1506 QEMUResetHandler *func;
1507 void *opaque;
1508 } QEMUResetEntry;
1509
1510 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1511 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1512 static int reset_requested;
1513 static int shutdown_requested, shutdown_signal = -1;
1514 static pid_t shutdown_pid;
1515 static int powerdown_requested;
1516 static int debug_requested;
1517 static int suspend_requested;
1518 static WakeupReason wakeup_reason;
1519 static NotifierList powerdown_notifiers =
1520 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1521 static NotifierList suspend_notifiers =
1522 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1523 static NotifierList wakeup_notifiers =
1524 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1525 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1526
1527 int qemu_shutdown_requested_get(void)
1528 {
1529 return shutdown_requested;
1530 }
1531
1532 int qemu_reset_requested_get(void)
1533 {
1534 return reset_requested;
1535 }
1536
1537 static int qemu_shutdown_requested(void)
1538 {
1539 return atomic_xchg(&shutdown_requested, 0);
1540 }
1541
1542 static void qemu_kill_report(void)
1543 {
1544 if (!qtest_driver() && shutdown_signal != -1) {
1545 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1546 if (shutdown_pid == 0) {
1547 /* This happens for eg ^C at the terminal, so it's worth
1548 * avoiding printing an odd message in that case.
1549 */
1550 fputc('\n', stderr);
1551 } else {
1552 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1553 }
1554 shutdown_signal = -1;
1555 }
1556 }
1557
1558 static int qemu_reset_requested(void)
1559 {
1560 int r = reset_requested;
1561 reset_requested = 0;
1562 return r;
1563 }
1564
1565 static int qemu_suspend_requested(void)
1566 {
1567 int r = suspend_requested;
1568 suspend_requested = 0;
1569 return r;
1570 }
1571
1572 static WakeupReason qemu_wakeup_requested(void)
1573 {
1574 return wakeup_reason;
1575 }
1576
1577 static int qemu_powerdown_requested(void)
1578 {
1579 int r = powerdown_requested;
1580 powerdown_requested = 0;
1581 return r;
1582 }
1583
1584 static int qemu_debug_requested(void)
1585 {
1586 int r = debug_requested;
1587 debug_requested = 0;
1588 return r;
1589 }
1590
1591 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1592 {
1593 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1594
1595 re->func = func;
1596 re->opaque = opaque;
1597 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1598 }
1599
1600 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1601 {
1602 QEMUResetEntry *re;
1603
1604 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1605 if (re->func == func && re->opaque == opaque) {
1606 QTAILQ_REMOVE(&reset_handlers, re, entry);
1607 g_free(re);
1608 return;
1609 }
1610 }
1611 }
1612
1613 void qemu_devices_reset(void)
1614 {
1615 QEMUResetEntry *re, *nre;
1616
1617 /* reset all devices */
1618 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1619 re->func(re->opaque);
1620 }
1621 }
1622
1623 void qemu_system_reset(bool report)
1624 {
1625 MachineClass *mc;
1626
1627 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1628
1629 if (mc && mc->reset) {
1630 mc->reset();
1631 } else {
1632 qemu_devices_reset();
1633 }
1634 if (report) {
1635 qapi_event_send_reset(&error_abort);
1636 }
1637 cpu_synchronize_all_post_reset();
1638 }
1639
1640 void qemu_system_reset_request(void)
1641 {
1642 if (no_reboot) {
1643 shutdown_requested = 1;
1644 } else {
1645 reset_requested = 1;
1646 }
1647 cpu_stop_current();
1648 qemu_notify_event();
1649 }
1650
1651 static void qemu_system_suspend(void)
1652 {
1653 pause_all_vcpus();
1654 notifier_list_notify(&suspend_notifiers, NULL);
1655 runstate_set(RUN_STATE_SUSPENDED);
1656 qapi_event_send_suspend(&error_abort);
1657 }
1658
1659 void qemu_system_suspend_request(void)
1660 {
1661 if (runstate_check(RUN_STATE_SUSPENDED)) {
1662 return;
1663 }
1664 suspend_requested = 1;
1665 cpu_stop_current();
1666 qemu_notify_event();
1667 }
1668
1669 void qemu_register_suspend_notifier(Notifier *notifier)
1670 {
1671 notifier_list_add(&suspend_notifiers, notifier);
1672 }
1673
1674 void qemu_system_wakeup_request(WakeupReason reason)
1675 {
1676 trace_system_wakeup_request(reason);
1677
1678 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1679 return;
1680 }
1681 if (!(wakeup_reason_mask & (1 << reason))) {
1682 return;
1683 }
1684 runstate_set(RUN_STATE_RUNNING);
1685 wakeup_reason = reason;
1686 qemu_notify_event();
1687 }
1688
1689 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1690 {
1691 if (enabled) {
1692 wakeup_reason_mask |= (1 << reason);
1693 } else {
1694 wakeup_reason_mask &= ~(1 << reason);
1695 }
1696 }
1697
1698 void qemu_register_wakeup_notifier(Notifier *notifier)
1699 {
1700 notifier_list_add(&wakeup_notifiers, notifier);
1701 }
1702
1703 void qemu_system_killed(int signal, pid_t pid)
1704 {
1705 shutdown_signal = signal;
1706 shutdown_pid = pid;
1707 no_shutdown = 0;
1708 qemu_system_shutdown_request();
1709 }
1710
1711 void qemu_system_shutdown_request(void)
1712 {
1713 trace_qemu_system_shutdown_request();
1714 shutdown_requested = 1;
1715 qemu_notify_event();
1716 }
1717
1718 static void qemu_system_powerdown(void)
1719 {
1720 qapi_event_send_powerdown(&error_abort);
1721 notifier_list_notify(&powerdown_notifiers, NULL);
1722 }
1723
1724 void qemu_system_powerdown_request(void)
1725 {
1726 trace_qemu_system_powerdown_request();
1727 powerdown_requested = 1;
1728 qemu_notify_event();
1729 }
1730
1731 void qemu_register_powerdown_notifier(Notifier *notifier)
1732 {
1733 notifier_list_add(&powerdown_notifiers, notifier);
1734 }
1735
1736 void qemu_system_debug_request(void)
1737 {
1738 debug_requested = 1;
1739 qemu_notify_event();
1740 }
1741
1742 static bool main_loop_should_exit(void)
1743 {
1744 RunState r;
1745 if (qemu_debug_requested()) {
1746 vm_stop(RUN_STATE_DEBUG);
1747 }
1748 if (qemu_suspend_requested()) {
1749 qemu_system_suspend();
1750 }
1751 if (qemu_shutdown_requested()) {
1752 qemu_kill_report();
1753 qapi_event_send_shutdown(&error_abort);
1754 if (no_shutdown) {
1755 vm_stop(RUN_STATE_SHUTDOWN);
1756 } else {
1757 return true;
1758 }
1759 }
1760 if (qemu_reset_requested()) {
1761 pause_all_vcpus();
1762 cpu_synchronize_all_states();
1763 qemu_system_reset(VMRESET_REPORT);
1764 resume_all_vcpus();
1765 if (runstate_needs_reset()) {
1766 runstate_set(RUN_STATE_PAUSED);
1767 }
1768 }
1769 if (qemu_wakeup_requested()) {
1770 pause_all_vcpus();
1771 cpu_synchronize_all_states();
1772 qemu_system_reset(VMRESET_SILENT);
1773 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1774 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1775 resume_all_vcpus();
1776 qapi_event_send_wakeup(&error_abort);
1777 }
1778 if (qemu_powerdown_requested()) {
1779 qemu_system_powerdown();
1780 }
1781 if (qemu_vmstop_requested(&r)) {
1782 vm_stop(r);
1783 }
1784 return false;
1785 }
1786
1787 static void main_loop(void)
1788 {
1789 bool nonblocking;
1790 int last_io = 0;
1791 #ifdef CONFIG_PROFILER
1792 int64_t ti;
1793 #endif
1794 do {
1795 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1796 #ifdef CONFIG_PROFILER
1797 ti = profile_getclock();
1798 #endif
1799 last_io = main_loop_wait(nonblocking);
1800 #ifdef CONFIG_PROFILER
1801 dev_time += profile_getclock() - ti;
1802 #endif
1803 } while (!main_loop_should_exit());
1804 }
1805
1806 static void version(void)
1807 {
1808 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1809 }
1810
1811 static void help(int exitcode)
1812 {
1813 version();
1814 printf("usage: %s [options] [disk_image]\n\n"
1815 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1816 error_get_progname());
1817
1818 #define QEMU_OPTIONS_GENERATE_HELP
1819 #include "qemu-options-wrapper.h"
1820
1821 printf("\nDuring emulation, the following keys are useful:\n"
1822 "ctrl-alt-f toggle full screen\n"
1823 "ctrl-alt-n switch to virtual console 'n'\n"
1824 "ctrl-alt toggle mouse and keyboard grab\n"
1825 "\n"
1826 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1827
1828 exit(exitcode);
1829 }
1830
1831 #define HAS_ARG 0x0001
1832
1833 typedef struct QEMUOption {
1834 const char *name;
1835 int flags;
1836 int index;
1837 uint32_t arch_mask;
1838 } QEMUOption;
1839
1840 static const QEMUOption qemu_options[] = {
1841 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1842 #define QEMU_OPTIONS_GENERATE_OPTIONS
1843 #include "qemu-options-wrapper.h"
1844 { NULL },
1845 };
1846
1847 static bool vga_available(void)
1848 {
1849 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1850 }
1851
1852 static bool cirrus_vga_available(void)
1853 {
1854 return object_class_by_name("cirrus-vga")
1855 || object_class_by_name("isa-cirrus-vga");
1856 }
1857
1858 static bool vmware_vga_available(void)
1859 {
1860 return object_class_by_name("vmware-svga");
1861 }
1862
1863 static bool qxl_vga_available(void)
1864 {
1865 return object_class_by_name("qxl-vga");
1866 }
1867
1868 static bool tcx_vga_available(void)
1869 {
1870 return object_class_by_name("SUNW,tcx");
1871 }
1872
1873 static bool cg3_vga_available(void)
1874 {
1875 return object_class_by_name("cgthree");
1876 }
1877
1878 static void select_vgahw (const char *p)
1879 {
1880 const char *opts;
1881
1882 assert(vga_interface_type == VGA_NONE);
1883 if (strstart(p, "std", &opts)) {
1884 if (vga_available()) {
1885 vga_interface_type = VGA_STD;
1886 } else {
1887 fprintf(stderr, "Error: standard VGA not available\n");
1888 exit(0);
1889 }
1890 } else if (strstart(p, "cirrus", &opts)) {
1891 if (cirrus_vga_available()) {
1892 vga_interface_type = VGA_CIRRUS;
1893 } else {
1894 fprintf(stderr, "Error: Cirrus VGA not available\n");
1895 exit(0);
1896 }
1897 } else if (strstart(p, "vmware", &opts)) {
1898 if (vmware_vga_available()) {
1899 vga_interface_type = VGA_VMWARE;
1900 } else {
1901 fprintf(stderr, "Error: VMWare SVGA not available\n");
1902 exit(0);
1903 }
1904 } else if (strstart(p, "xenfb", &opts)) {
1905 vga_interface_type = VGA_XENFB;
1906 } else if (strstart(p, "qxl", &opts)) {
1907 if (qxl_vga_available()) {
1908 vga_interface_type = VGA_QXL;
1909 } else {
1910 fprintf(stderr, "Error: QXL VGA not available\n");
1911 exit(0);
1912 }
1913 } else if (strstart(p, "tcx", &opts)) {
1914 if (tcx_vga_available()) {
1915 vga_interface_type = VGA_TCX;
1916 } else {
1917 fprintf(stderr, "Error: TCX framebuffer not available\n");
1918 exit(0);
1919 }
1920 } else if (strstart(p, "cg3", &opts)) {
1921 if (cg3_vga_available()) {
1922 vga_interface_type = VGA_CG3;
1923 } else {
1924 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1925 exit(0);
1926 }
1927 } else if (!strstart(p, "none", &opts)) {
1928 invalid_vga:
1929 fprintf(stderr, "Unknown vga type: %s\n", p);
1930 exit(1);
1931 }
1932 while (*opts) {
1933 const char *nextopt;
1934
1935 if (strstart(opts, ",retrace=", &nextopt)) {
1936 opts = nextopt;
1937 if (strstart(opts, "dumb", &nextopt))
1938 vga_retrace_method = VGA_RETRACE_DUMB;
1939 else if (strstart(opts, "precise", &nextopt))
1940 vga_retrace_method = VGA_RETRACE_PRECISE;
1941 else goto invalid_vga;
1942 } else goto invalid_vga;
1943 opts = nextopt;
1944 }
1945 }
1946
1947 static DisplayType select_display(const char *p)
1948 {
1949 const char *opts;
1950 DisplayType display = DT_DEFAULT;
1951
1952 if (strstart(p, "sdl", &opts)) {
1953 #ifdef CONFIG_SDL
1954 display = DT_SDL;
1955 while (*opts) {
1956 const char *nextopt;
1957
1958 if (strstart(opts, ",frame=", &nextopt)) {
1959 opts = nextopt;
1960 if (strstart(opts, "on", &nextopt)) {
1961 no_frame = 0;
1962 } else if (strstart(opts, "off", &nextopt)) {
1963 no_frame = 1;
1964 } else {
1965 goto invalid_sdl_args;
1966 }
1967 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1968 opts = nextopt;
1969 if (strstart(opts, "on", &nextopt)) {
1970 alt_grab = 1;
1971 } else if (strstart(opts, "off", &nextopt)) {
1972 alt_grab = 0;
1973 } else {
1974 goto invalid_sdl_args;
1975 }
1976 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1977 opts = nextopt;
1978 if (strstart(opts, "on", &nextopt)) {
1979 ctrl_grab = 1;
1980 } else if (strstart(opts, "off", &nextopt)) {
1981 ctrl_grab = 0;
1982 } else {
1983 goto invalid_sdl_args;
1984 }
1985 } else if (strstart(opts, ",window_close=", &nextopt)) {
1986 opts = nextopt;
1987 if (strstart(opts, "on", &nextopt)) {
1988 no_quit = 0;
1989 } else if (strstart(opts, "off", &nextopt)) {
1990 no_quit = 1;
1991 } else {
1992 goto invalid_sdl_args;
1993 }
1994 } else if (strstart(opts, ",gl=", &nextopt)) {
1995 opts = nextopt;
1996 if (strstart(opts, "on", &nextopt)) {
1997 request_opengl = 1;
1998 } else if (strstart(opts, "off", &nextopt)) {
1999 request_opengl = 0;
2000 } else {
2001 goto invalid_sdl_args;
2002 }
2003 } else {
2004 invalid_sdl_args:
2005 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2006 exit(1);
2007 }
2008 opts = nextopt;
2009 }
2010 #else
2011 fprintf(stderr, "SDL support is disabled\n");
2012 exit(1);
2013 #endif
2014 } else if (strstart(p, "vnc", &opts)) {
2015 #ifdef CONFIG_VNC
2016 if (*opts == '=') {
2017 if (vnc_parse_func(opts+1) == NULL) {
2018 exit(1);
2019 }
2020 } else {
2021 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2022 exit(1);
2023 }
2024 #else
2025 fprintf(stderr, "VNC support is disabled\n");
2026 exit(1);
2027 #endif
2028 } else if (strstart(p, "curses", &opts)) {
2029 #ifdef CONFIG_CURSES
2030 display = DT_CURSES;
2031 #else
2032 fprintf(stderr, "Curses support is disabled\n");
2033 exit(1);
2034 #endif
2035 } else if (strstart(p, "gtk", &opts)) {
2036 #ifdef CONFIG_GTK
2037 display = DT_GTK;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2042 opts = nextopt;
2043 if (strstart(opts, "on", &nextopt)) {
2044 grab_on_hover = true;
2045 } else if (strstart(opts, "off", &nextopt)) {
2046 grab_on_hover = false;
2047 } else {
2048 goto invalid_gtk_args;
2049 }
2050 } else {
2051 invalid_gtk_args:
2052 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2053 exit(1);
2054 }
2055 opts = nextopt;
2056 }
2057 #else
2058 fprintf(stderr, "GTK support is disabled\n");
2059 exit(1);
2060 #endif
2061 } else if (strstart(p, "none", &opts)) {
2062 display = DT_NONE;
2063 } else {
2064 fprintf(stderr, "Unknown display type: %s\n", p);
2065 exit(1);
2066 }
2067
2068 return display;
2069 }
2070
2071 static int balloon_parse(const char *arg)
2072 {
2073 QemuOpts *opts;
2074
2075 if (strcmp(arg, "none") == 0) {
2076 return 0;
2077 }
2078
2079 if (!strncmp(arg, "virtio", 6)) {
2080 if (arg[6] == ',') {
2081 /* have params -> parse them */
2082 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2083 if (!opts)
2084 return -1;
2085 } else {
2086 /* create empty opts */
2087 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2088 &error_abort);
2089 }
2090 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2091 return 0;
2092 }
2093
2094 return -1;
2095 }
2096
2097 char *qemu_find_file(int type, const char *name)
2098 {
2099 int i;
2100 const char *subdir;
2101 char *buf;
2102
2103 /* Try the name as a straight path first */
2104 if (access(name, R_OK) == 0) {
2105 trace_load_file(name, name);
2106 return g_strdup(name);
2107 }
2108
2109 switch (type) {
2110 case QEMU_FILE_TYPE_BIOS:
2111 subdir = "";
2112 break;
2113 case QEMU_FILE_TYPE_KEYMAP:
2114 subdir = "keymaps/";
2115 break;
2116 default:
2117 abort();
2118 }
2119
2120 for (i = 0; i < data_dir_idx; i++) {
2121 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2122 if (access(buf, R_OK) == 0) {
2123 trace_load_file(name, buf);
2124 return buf;
2125 }
2126 g_free(buf);
2127 }
2128 return NULL;
2129 }
2130
2131 static int device_help_func(QemuOpts *opts, void *opaque)
2132 {
2133 return qdev_device_help(opts);
2134 }
2135
2136 static int device_init_func(QemuOpts *opts, void *opaque)
2137 {
2138 DeviceState *dev;
2139
2140 dev = qdev_device_add(opts);
2141 if (!dev)
2142 return -1;
2143 object_unref(OBJECT(dev));
2144 return 0;
2145 }
2146
2147 static int chardev_init_func(QemuOpts *opts, void *opaque)
2148 {
2149 Error *local_err = NULL;
2150
2151 qemu_chr_new_from_opts(opts, NULL, &local_err);
2152 if (local_err) {
2153 error_report_err(local_err);
2154 return -1;
2155 }
2156 return 0;
2157 }
2158
2159 #ifdef CONFIG_VIRTFS
2160 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2161 {
2162 int ret;
2163 ret = qemu_fsdev_add(opts);
2164
2165 return ret;
2166 }
2167 #endif
2168
2169 static int mon_init_func(QemuOpts *opts, void *opaque)
2170 {
2171 CharDriverState *chr;
2172 const char *chardev;
2173 const char *mode;
2174 int flags;
2175
2176 mode = qemu_opt_get(opts, "mode");
2177 if (mode == NULL) {
2178 mode = "readline";
2179 }
2180 if (strcmp(mode, "readline") == 0) {
2181 flags = MONITOR_USE_READLINE;
2182 } else if (strcmp(mode, "control") == 0) {
2183 flags = MONITOR_USE_CONTROL;
2184 } else {
2185 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2186 exit(1);
2187 }
2188
2189 if (qemu_opt_get_bool(opts, "pretty", 0))
2190 flags |= MONITOR_USE_PRETTY;
2191
2192 if (qemu_opt_get_bool(opts, "default", 0))
2193 flags |= MONITOR_IS_DEFAULT;
2194
2195 chardev = qemu_opt_get(opts, "chardev");
2196 chr = qemu_chr_find(chardev);
2197 if (chr == NULL) {
2198 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2199 exit(1);
2200 }
2201
2202 qemu_chr_fe_claim_no_fail(chr);
2203 monitor_init(chr, flags);
2204 return 0;
2205 }
2206
2207 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2208 {
2209 static int monitor_device_index = 0;
2210 Error *local_err = NULL;
2211 QemuOpts *opts;
2212 const char *p;
2213 char label[32];
2214 int def = 0;
2215
2216 if (strstart(optarg, "chardev:", &p)) {
2217 snprintf(label, sizeof(label), "%s", p);
2218 } else {
2219 snprintf(label, sizeof(label), "compat_monitor%d",
2220 monitor_device_index);
2221 if (monitor_device_index == 0) {
2222 def = 1;
2223 }
2224 opts = qemu_chr_parse_compat(label, optarg);
2225 if (!opts) {
2226 fprintf(stderr, "parse error: %s\n", optarg);
2227 exit(1);
2228 }
2229 }
2230
2231 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2232 if (!opts) {
2233 error_report_err(local_err);
2234 exit(1);
2235 }
2236 qemu_opt_set(opts, "mode", mode, &error_abort);
2237 qemu_opt_set(opts, "chardev", label, &error_abort);
2238 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2239 if (def)
2240 qemu_opt_set(opts, "default", "on", &error_abort);
2241 monitor_device_index++;
2242 }
2243
2244 struct device_config {
2245 enum {
2246 DEV_USB, /* -usbdevice */
2247 DEV_BT, /* -bt */
2248 DEV_SERIAL, /* -serial */
2249 DEV_PARALLEL, /* -parallel */
2250 DEV_VIRTCON, /* -virtioconsole */
2251 DEV_DEBUGCON, /* -debugcon */
2252 DEV_GDB, /* -gdb, -s */
2253 DEV_SCLP, /* s390 sclp */
2254 } type;
2255 const char *cmdline;
2256 Location loc;
2257 QTAILQ_ENTRY(device_config) next;
2258 };
2259
2260 static QTAILQ_HEAD(, device_config) device_configs =
2261 QTAILQ_HEAD_INITIALIZER(device_configs);
2262
2263 static void add_device_config(int type, const char *cmdline)
2264 {
2265 struct device_config *conf;
2266
2267 conf = g_malloc0(sizeof(*conf));
2268 conf->type = type;
2269 conf->cmdline = cmdline;
2270 loc_save(&conf->loc);
2271 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2272 }
2273
2274 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2275 {
2276 struct device_config *conf;
2277 int rc;
2278
2279 QTAILQ_FOREACH(conf, &device_configs, next) {
2280 if (conf->type != type)
2281 continue;
2282 loc_push_restore(&conf->loc);
2283 rc = func(conf->cmdline);
2284 loc_pop(&conf->loc);
2285 if (rc) {
2286 return rc;
2287 }
2288 }
2289 return 0;
2290 }
2291
2292 static int serial_parse(const char *devname)
2293 {
2294 static int index = 0;
2295 char label[32];
2296
2297 if (strcmp(devname, "none") == 0)
2298 return 0;
2299 if (index == MAX_SERIAL_PORTS) {
2300 fprintf(stderr, "qemu: too many serial ports\n");
2301 exit(1);
2302 }
2303 snprintf(label, sizeof(label), "serial%d", index);
2304 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2305 if (!serial_hds[index]) {
2306 fprintf(stderr, "qemu: could not connect serial device"
2307 " to character backend '%s'\n", devname);
2308 return -1;
2309 }
2310 index++;
2311 return 0;
2312 }
2313
2314 static int parallel_parse(const char *devname)
2315 {
2316 static int index = 0;
2317 char label[32];
2318
2319 if (strcmp(devname, "none") == 0)
2320 return 0;
2321 if (index == MAX_PARALLEL_PORTS) {
2322 fprintf(stderr, "qemu: too many parallel ports\n");
2323 exit(1);
2324 }
2325 snprintf(label, sizeof(label), "parallel%d", index);
2326 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2327 if (!parallel_hds[index]) {
2328 fprintf(stderr, "qemu: could not connect parallel device"
2329 " to character backend '%s'\n", devname);
2330 return -1;
2331 }
2332 index++;
2333 return 0;
2334 }
2335
2336 static int virtcon_parse(const char *devname)
2337 {
2338 QemuOptsList *device = qemu_find_opts("device");
2339 static int index = 0;
2340 char label[32];
2341 QemuOpts *bus_opts, *dev_opts;
2342
2343 if (strcmp(devname, "none") == 0)
2344 return 0;
2345 if (index == MAX_VIRTIO_CONSOLES) {
2346 fprintf(stderr, "qemu: too many virtio consoles\n");
2347 exit(1);
2348 }
2349
2350 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2351 if (arch_type == QEMU_ARCH_S390X) {
2352 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2353 } else {
2354 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2355 }
2356
2357 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2358 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2359
2360 snprintf(label, sizeof(label), "virtcon%d", index);
2361 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2362 if (!virtcon_hds[index]) {
2363 fprintf(stderr, "qemu: could not connect virtio console"
2364 " to character backend '%s'\n", devname);
2365 return -1;
2366 }
2367 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2368
2369 index++;
2370 return 0;
2371 }
2372
2373 static int sclp_parse(const char *devname)
2374 {
2375 QemuOptsList *device = qemu_find_opts("device");
2376 static int index = 0;
2377 char label[32];
2378 QemuOpts *dev_opts;
2379
2380 if (strcmp(devname, "none") == 0) {
2381 return 0;
2382 }
2383 if (index == MAX_SCLP_CONSOLES) {
2384 fprintf(stderr, "qemu: too many sclp consoles\n");
2385 exit(1);
2386 }
2387
2388 assert(arch_type == QEMU_ARCH_S390X);
2389
2390 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2391 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2392
2393 snprintf(label, sizeof(label), "sclpcon%d", index);
2394 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2395 if (!sclp_hds[index]) {
2396 fprintf(stderr, "qemu: could not connect sclp console"
2397 " to character backend '%s'\n", devname);
2398 return -1;
2399 }
2400 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2401
2402 index++;
2403 return 0;
2404 }
2405
2406 static int debugcon_parse(const char *devname)
2407 {
2408 QemuOpts *opts;
2409
2410 if (!qemu_chr_new("debugcon", devname, NULL)) {
2411 exit(1);
2412 }
2413 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2414 if (!opts) {
2415 fprintf(stderr, "qemu: already have a debugcon device\n");
2416 exit(1);
2417 }
2418 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2419 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2420 return 0;
2421 }
2422
2423 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2424 {
2425 const MachineClass *mc1 = a, *mc2 = b;
2426 int res;
2427
2428 if (mc1->family == NULL) {
2429 if (mc2->family == NULL) {
2430 /* Compare standalone machine types against each other; they sort
2431 * in increasing order.
2432 */
2433 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2434 object_class_get_name(OBJECT_CLASS(mc2)));
2435 }
2436
2437 /* Standalone machine types sort after families. */
2438 return 1;
2439 }
2440
2441 if (mc2->family == NULL) {
2442 /* Families sort before standalone machine types. */
2443 return -1;
2444 }
2445
2446 /* Families sort between each other alphabetically increasingly. */
2447 res = strcmp(mc1->family, mc2->family);
2448 if (res != 0) {
2449 return res;
2450 }
2451
2452 /* Within the same family, machine types sort in decreasing order. */
2453 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2454 object_class_get_name(OBJECT_CLASS(mc1)));
2455 }
2456
2457 static MachineClass *machine_parse(const char *name)
2458 {
2459 MachineClass *mc = NULL;
2460 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2461
2462 if (name) {
2463 mc = find_machine(name);
2464 }
2465 if (mc) {
2466 g_slist_free(machines);
2467 return mc;
2468 }
2469 if (name && !is_help_option(name)) {
2470 error_report("Unsupported machine type");
2471 error_printf("Use -machine help to list supported machines!\n");
2472 } else {
2473 printf("Supported machines are:\n");
2474 machines = g_slist_sort(machines, machine_class_cmp);
2475 for (el = machines; el; el = el->next) {
2476 MachineClass *mc = el->data;
2477 if (mc->alias) {
2478 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2479 }
2480 printf("%-20s %s%s\n", mc->name, mc->desc,
2481 mc->is_default ? " (default)" : "");
2482 }
2483 }
2484
2485 g_slist_free(machines);
2486 exit(!name || !is_help_option(name));
2487 }
2488
2489 void qemu_add_exit_notifier(Notifier *notify)
2490 {
2491 notifier_list_add(&exit_notifiers, notify);
2492 }
2493
2494 void qemu_remove_exit_notifier(Notifier *notify)
2495 {
2496 notifier_remove(notify);
2497 }
2498
2499 static void qemu_run_exit_notifiers(void)
2500 {
2501 notifier_list_notify(&exit_notifiers, NULL);
2502 }
2503
2504 void qemu_add_machine_init_done_notifier(Notifier *notify)
2505 {
2506 notifier_list_add(&machine_init_done_notifiers, notify);
2507 }
2508
2509 static void qemu_run_machine_init_done_notifiers(void)
2510 {
2511 notifier_list_notify(&machine_init_done_notifiers, NULL);
2512 }
2513
2514 static const QEMUOption *lookup_opt(int argc, char **argv,
2515 const char **poptarg, int *poptind)
2516 {
2517 const QEMUOption *popt;
2518 int optind = *poptind;
2519 char *r = argv[optind];
2520 const char *optarg;
2521
2522 loc_set_cmdline(argv, optind, 1);
2523 optind++;
2524 /* Treat --foo the same as -foo. */
2525 if (r[1] == '-')
2526 r++;
2527 popt = qemu_options;
2528 for(;;) {
2529 if (!popt->name) {
2530 error_report("invalid option");
2531 exit(1);
2532 }
2533 if (!strcmp(popt->name, r + 1))
2534 break;
2535 popt++;
2536 }
2537 if (popt->flags & HAS_ARG) {
2538 if (optind >= argc) {
2539 error_report("requires an argument");
2540 exit(1);
2541 }
2542 optarg = argv[optind++];
2543 loc_set_cmdline(argv, optind - 2, 2);
2544 } else {
2545 optarg = NULL;
2546 }
2547
2548 *poptarg = optarg;
2549 *poptind = optind;
2550
2551 return popt;
2552 }
2553
2554 static gpointer malloc_and_trace(gsize n_bytes)
2555 {
2556 void *ptr = malloc(n_bytes);
2557 trace_g_malloc(n_bytes, ptr);
2558 return ptr;
2559 }
2560
2561 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2562 {
2563 void *ptr = realloc(mem, n_bytes);
2564 trace_g_realloc(mem, n_bytes, ptr);
2565 return ptr;
2566 }
2567
2568 static void free_and_trace(gpointer mem)
2569 {
2570 trace_g_free(mem);
2571 free(mem);
2572 }
2573
2574 static int machine_set_property(const char *name, const char *value,
2575 void *opaque)
2576 {
2577 Object *obj = OBJECT(opaque);
2578 Error *local_err = NULL;
2579 char *c, *qom_name;
2580
2581 if (strcmp(name, "type") == 0) {
2582 return 0;
2583 }
2584
2585 qom_name = g_strdup(name);
2586 c = qom_name;
2587 while (*c++) {
2588 if (*c == '_') {
2589 *c = '-';
2590 }
2591 }
2592
2593 object_property_parse(obj, value, qom_name, &local_err);
2594 g_free(qom_name);
2595
2596 if (local_err) {
2597 error_report_err(local_err);
2598 return -1;
2599 }
2600
2601 return 0;
2602 }
2603
2604 static int object_create(QemuOpts *opts, void *opaque)
2605 {
2606 Error *err = NULL;
2607 char *type = NULL;
2608 char *id = NULL;
2609 void *dummy = NULL;
2610 OptsVisitor *ov;
2611 QDict *pdict;
2612
2613 ov = opts_visitor_new(opts);
2614 pdict = qemu_opts_to_qdict(opts, NULL);
2615
2616 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2617 if (err) {
2618 goto out;
2619 }
2620
2621 qdict_del(pdict, "qom-type");
2622 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2623 if (err) {
2624 goto out;
2625 }
2626
2627 qdict_del(pdict, "id");
2628 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2629 if (err) {
2630 goto out;
2631 }
2632
2633 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2634 if (err) {
2635 goto out;
2636 }
2637 visit_end_struct(opts_get_visitor(ov), &err);
2638 if (err) {
2639 qmp_object_del(id, NULL);
2640 }
2641
2642 out:
2643 opts_visitor_cleanup(ov);
2644
2645 QDECREF(pdict);
2646 g_free(id);
2647 g_free(type);
2648 g_free(dummy);
2649 if (err) {
2650 error_report_err(err);
2651 return -1;
2652 }
2653 return 0;
2654 }
2655
2656 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2657 {
2658 uint64_t sz;
2659 const char *mem_str;
2660 const char *maxmem_str, *slots_str;
2661 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2662 1024 * 1024;
2663 QemuOpts *opts = qemu_find_opts_singleton("memory");
2664
2665 sz = 0;
2666 mem_str = qemu_opt_get(opts, "size");
2667 if (mem_str) {
2668 if (!*mem_str) {
2669 error_report("missing 'size' option value");
2670 exit(EXIT_FAILURE);
2671 }
2672
2673 sz = qemu_opt_get_size(opts, "size", ram_size);
2674
2675 /* Fix up legacy suffix-less format */
2676 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2677 uint64_t overflow_check = sz;
2678
2679 sz <<= 20;
2680 if ((sz >> 20) != overflow_check) {
2681 error_report("too large 'size' option value");
2682 exit(EXIT_FAILURE);
2683 }
2684 }
2685 }
2686
2687 /* backward compatibility behaviour for case "-m 0" */
2688 if (sz == 0) {
2689 sz = default_ram_size;
2690 }
2691
2692 sz = QEMU_ALIGN_UP(sz, 8192);
2693 ram_size = sz;
2694 if (ram_size != sz) {
2695 error_report("ram size too large");
2696 exit(EXIT_FAILURE);
2697 }
2698
2699 /* store value for the future use */
2700 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2701 *maxram_size = ram_size;
2702
2703 maxmem_str = qemu_opt_get(opts, "maxmem");
2704 slots_str = qemu_opt_get(opts, "slots");
2705 if (maxmem_str && slots_str) {
2706 uint64_t slots;
2707
2708 sz = qemu_opt_get_size(opts, "maxmem", 0);
2709 slots = qemu_opt_get_number(opts, "slots", 0);
2710 if (sz < ram_size) {
2711 error_report("invalid value of -m option maxmem: "
2712 "maximum memory size (0x%" PRIx64 ") must be at least "
2713 "the initial memory size (0x" RAM_ADDR_FMT ")",
2714 sz, ram_size);
2715 exit(EXIT_FAILURE);
2716 } else if (sz > ram_size) {
2717 if (!slots) {
2718 error_report("invalid value of -m option: maxmem was "
2719 "specified, but no hotplug slots were specified");
2720 exit(EXIT_FAILURE);
2721 }
2722 } else if (slots) {
2723 error_report("invalid value of -m option maxmem: "
2724 "memory slots were specified but maximum memory size "
2725 "(0x%" PRIx64 ") is equal to the initial memory size "
2726 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2727 exit(EXIT_FAILURE);
2728 }
2729
2730 *maxram_size = sz;
2731 *ram_slots = slots;
2732 } else if ((!maxmem_str && slots_str) ||
2733 (maxmem_str && !slots_str)) {
2734 error_report("invalid -m option value: missing "
2735 "'%s' option", slots_str ? "maxmem" : "slots");
2736 exit(EXIT_FAILURE);
2737 }
2738 }
2739
2740 int main(int argc, char **argv, char **envp)
2741 {
2742 int i;
2743 int snapshot, linux_boot;
2744 const char *initrd_filename;
2745 const char *kernel_filename, *kernel_cmdline;
2746 const char *boot_order = NULL;
2747 const char *boot_once = NULL;
2748 DisplayState *ds;
2749 int cyls, heads, secs, translation;
2750 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2751 QemuOptsList *olist;
2752 int optind;
2753 const char *optarg;
2754 const char *loadvm = NULL;
2755 MachineClass *machine_class;
2756 const char *cpu_model;
2757 const char *vga_model = NULL;
2758 const char *qtest_chrdev = NULL;
2759 const char *qtest_log = NULL;
2760 const char *pid_file = NULL;
2761 const char *incoming = NULL;
2762 #ifdef CONFIG_VNC
2763 int show_vnc_port = 0;
2764 #endif
2765 bool defconfig = true;
2766 bool userconfig = true;
2767 const char *log_mask = NULL;
2768 const char *log_file = NULL;
2769 GMemVTable mem_trace = {
2770 .malloc = malloc_and_trace,
2771 .realloc = realloc_and_trace,
2772 .free = free_and_trace,
2773 };
2774 const char *trace_events = NULL;
2775 const char *trace_file = NULL;
2776 ram_addr_t maxram_size;
2777 uint64_t ram_slots = 0;
2778 FILE *vmstate_dump_file = NULL;
2779 Error *main_loop_err = NULL;
2780
2781 qemu_init_cpu_loop();
2782 qemu_mutex_lock_iothread();
2783
2784 atexit(qemu_run_exit_notifiers);
2785 error_set_progname(argv[0]);
2786 qemu_init_exec_dir(argv[0]);
2787
2788 g_mem_set_vtable(&mem_trace);
2789
2790 module_call_init(MODULE_INIT_QOM);
2791
2792 qemu_add_opts(&qemu_drive_opts);
2793 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2794 qemu_add_drive_opts(&qemu_common_drive_opts);
2795 qemu_add_drive_opts(&qemu_drive_opts);
2796 qemu_add_opts(&qemu_chardev_opts);
2797 qemu_add_opts(&qemu_device_opts);
2798 qemu_add_opts(&qemu_netdev_opts);
2799 qemu_add_opts(&qemu_net_opts);
2800 qemu_add_opts(&qemu_rtc_opts);
2801 qemu_add_opts(&qemu_global_opts);
2802 qemu_add_opts(&qemu_mon_opts);
2803 qemu_add_opts(&qemu_trace_opts);
2804 qemu_add_opts(&qemu_option_rom_opts);
2805 qemu_add_opts(&qemu_machine_opts);
2806 qemu_add_opts(&qemu_mem_opts);
2807 qemu_add_opts(&qemu_smp_opts);
2808 qemu_add_opts(&qemu_boot_opts);
2809 qemu_add_opts(&qemu_sandbox_opts);
2810 qemu_add_opts(&qemu_add_fd_opts);
2811 qemu_add_opts(&qemu_object_opts);
2812 qemu_add_opts(&qemu_tpmdev_opts);
2813 qemu_add_opts(&qemu_realtime_opts);
2814 qemu_add_opts(&qemu_msg_opts);
2815 qemu_add_opts(&qemu_name_opts);
2816 qemu_add_opts(&qemu_numa_opts);
2817 qemu_add_opts(&qemu_icount_opts);
2818 qemu_add_opts(&qemu_semihosting_config_opts);
2819
2820 runstate_init();
2821
2822 rtc_clock = QEMU_CLOCK_HOST;
2823
2824 QLIST_INIT (&vm_change_state_head);
2825 os_setup_early_signal_handling();
2826
2827 module_call_init(MODULE_INIT_MACHINE);
2828 machine_class = find_default_machine();
2829 cpu_model = NULL;
2830 snapshot = 0;
2831 cyls = heads = secs = 0;
2832 translation = BIOS_ATA_TRANSLATION_AUTO;
2833
2834 nb_nics = 0;
2835
2836 bdrv_init_with_whitelist();
2837
2838 autostart = 1;
2839
2840 /* first pass of option parsing */
2841 optind = 1;
2842 while (optind < argc) {
2843 if (argv[optind][0] != '-') {
2844 /* disk image */
2845 optind++;
2846 } else {
2847 const QEMUOption *popt;
2848
2849 popt = lookup_opt(argc, argv, &optarg, &optind);
2850 switch (popt->index) {
2851 case QEMU_OPTION_nodefconfig:
2852 defconfig = false;
2853 break;
2854 case QEMU_OPTION_nouserconfig:
2855 userconfig = false;
2856 break;
2857 }
2858 }
2859 }
2860
2861 if (defconfig) {
2862 int ret;
2863 ret = qemu_read_default_config_files(userconfig);
2864 if (ret < 0) {
2865 exit(1);
2866 }
2867 }
2868
2869 /* second pass of option parsing */
2870 optind = 1;
2871 for(;;) {
2872 if (optind >= argc)
2873 break;
2874 if (argv[optind][0] != '-') {
2875 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2876 } else {
2877 const QEMUOption *popt;
2878
2879 popt = lookup_opt(argc, argv, &optarg, &optind);
2880 if (!(popt->arch_mask & arch_type)) {
2881 printf("Option %s not supported for this target\n", popt->name);
2882 exit(1);
2883 }
2884 switch(popt->index) {
2885 case QEMU_OPTION_no_kvm_irqchip: {
2886 olist = qemu_find_opts("machine");
2887 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2888 break;
2889 }
2890 case QEMU_OPTION_cpu:
2891 /* hw initialization will check this */
2892 cpu_model = optarg;
2893 break;
2894 case QEMU_OPTION_hda:
2895 {
2896 char buf[256];
2897 if (cyls == 0)
2898 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2899 else
2900 snprintf(buf, sizeof(buf),
2901 "%s,cyls=%d,heads=%d,secs=%d%s",
2902 HD_OPTS , cyls, heads, secs,
2903 translation == BIOS_ATA_TRANSLATION_LBA ?
2904 ",trans=lba" :
2905 translation == BIOS_ATA_TRANSLATION_NONE ?
2906 ",trans=none" : "");
2907 drive_add(IF_DEFAULT, 0, optarg, buf);
2908 break;
2909 }
2910 case QEMU_OPTION_hdb:
2911 case QEMU_OPTION_hdc:
2912 case QEMU_OPTION_hdd:
2913 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2914 HD_OPTS);
2915 break;
2916 case QEMU_OPTION_drive:
2917 if (drive_def(optarg) == NULL) {
2918 exit(1);
2919 }
2920 break;
2921 case QEMU_OPTION_set:
2922 if (qemu_set_option(optarg) != 0)
2923 exit(1);
2924 break;
2925 case QEMU_OPTION_global:
2926 if (qemu_global_option(optarg) != 0)
2927 exit(1);
2928 break;
2929 case QEMU_OPTION_mtdblock:
2930 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2931 break;
2932 case QEMU_OPTION_sd:
2933 drive_add(IF_SD, -1, optarg, SD_OPTS);
2934 break;
2935 case QEMU_OPTION_pflash:
2936 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2937 break;
2938 case QEMU_OPTION_snapshot:
2939 snapshot = 1;
2940 break;
2941 case QEMU_OPTION_hdachs:
2942 {
2943 const char *p;
2944 p = optarg;
2945 cyls = strtol(p, (char **)&p, 0);
2946 if (cyls < 1 || cyls > 16383)
2947 goto chs_fail;
2948 if (*p != ',')
2949 goto chs_fail;
2950 p++;
2951 heads = strtol(p, (char **)&p, 0);
2952 if (heads < 1 || heads > 16)
2953 goto chs_fail;
2954 if (*p != ',')
2955 goto chs_fail;
2956 p++;
2957 secs = strtol(p, (char **)&p, 0);
2958 if (secs < 1 || secs > 63)
2959 goto chs_fail;
2960 if (*p == ',') {
2961 p++;
2962 if (!strcmp(p, "large")) {
2963 translation = BIOS_ATA_TRANSLATION_LARGE;
2964 } else if (!strcmp(p, "rechs")) {
2965 translation = BIOS_ATA_TRANSLATION_RECHS;
2966 } else if (!strcmp(p, "none")) {
2967 translation = BIOS_ATA_TRANSLATION_NONE;
2968 } else if (!strcmp(p, "lba")) {
2969 translation = BIOS_ATA_TRANSLATION_LBA;
2970 } else if (!strcmp(p, "auto")) {
2971 translation = BIOS_ATA_TRANSLATION_AUTO;
2972 } else {
2973 goto chs_fail;
2974 }
2975 } else if (*p != '\0') {
2976 chs_fail:
2977 fprintf(stderr, "qemu: invalid physical CHS format\n");
2978 exit(1);
2979 }
2980 if (hda_opts != NULL) {
2981 qemu_opt_set_number(hda_opts, "cyls", cyls,
2982 &error_abort);
2983 qemu_opt_set_number(hda_opts, "heads", heads,
2984 &error_abort);
2985 qemu_opt_set_number(hda_opts, "secs", secs,
2986 &error_abort);
2987 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2988 qemu_opt_set(hda_opts, "trans", "large",
2989 &error_abort);
2990 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2991 qemu_opt_set(hda_opts, "trans", "rechs",
2992 &error_abort);
2993 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2994 qemu_opt_set(hda_opts, "trans", "lba",
2995 &error_abort);
2996 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2997 qemu_opt_set(hda_opts, "trans", "none",
2998 &error_abort);
2999 }
3000 }
3001 }
3002 break;
3003 case QEMU_OPTION_numa:
3004 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3005 if (!opts) {
3006 exit(1);
3007 }
3008 break;
3009 case QEMU_OPTION_display:
3010 display_type = select_display(optarg);
3011 break;
3012 case QEMU_OPTION_nographic:
3013 display_type = DT_NOGRAPHIC;
3014 break;
3015 case QEMU_OPTION_curses:
3016 #ifdef CONFIG_CURSES
3017 display_type = DT_CURSES;
3018 #else
3019 fprintf(stderr, "Curses support is disabled\n");
3020 exit(1);
3021 #endif
3022 break;
3023 case QEMU_OPTION_portrait:
3024 graphic_rotate = 90;
3025 break;
3026 case QEMU_OPTION_rotate:
3027 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3028 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3029 graphic_rotate != 180 && graphic_rotate != 270) {
3030 fprintf(stderr,
3031 "qemu: only 90, 180, 270 deg rotation is available\n");
3032 exit(1);
3033 }
3034 break;
3035 case QEMU_OPTION_kernel:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3037 &error_abort);
3038 break;
3039 case QEMU_OPTION_initrd:
3040 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3041 &error_abort);
3042 break;
3043 case QEMU_OPTION_append:
3044 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3045 &error_abort);
3046 break;
3047 case QEMU_OPTION_dtb:
3048 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3049 &error_abort);
3050 break;
3051 case QEMU_OPTION_cdrom:
3052 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3053 break;
3054 case QEMU_OPTION_boot:
3055 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3056 if (!opts) {
3057 exit(1);
3058 }
3059 break;
3060 case QEMU_OPTION_fda:
3061 case QEMU_OPTION_fdb:
3062 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3063 optarg, FD_OPTS);
3064 break;
3065 case QEMU_OPTION_no_fd_bootchk:
3066 fd_bootchk = 0;
3067 break;
3068 case QEMU_OPTION_netdev:
3069 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3070 exit(1);
3071 }
3072 break;
3073 case QEMU_OPTION_net:
3074 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3075 exit(1);
3076 }
3077 break;
3078 #ifdef CONFIG_LIBISCSI
3079 case QEMU_OPTION_iscsi:
3080 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3081 if (!opts) {
3082 exit(1);
3083 }
3084 break;
3085 #endif
3086 #ifdef CONFIG_SLIRP
3087 case QEMU_OPTION_tftp:
3088 legacy_tftp_prefix = optarg;
3089 break;
3090 case QEMU_OPTION_bootp:
3091 legacy_bootp_filename = optarg;
3092 break;
3093 case QEMU_OPTION_redir:
3094 if (net_slirp_redir(optarg) < 0)
3095 exit(1);
3096 break;
3097 #endif
3098 case QEMU_OPTION_bt:
3099 add_device_config(DEV_BT, optarg);
3100 break;
3101 case QEMU_OPTION_audio_help:
3102 AUD_help ();
3103 exit (0);
3104 break;
3105 case QEMU_OPTION_soundhw:
3106 select_soundhw (optarg);
3107 break;
3108 case QEMU_OPTION_h:
3109 help(0);
3110 break;
3111 case QEMU_OPTION_version:
3112 version();
3113 exit(0);
3114 break;
3115 case QEMU_OPTION_m:
3116 opts = qemu_opts_parse(qemu_find_opts("memory"),
3117 optarg, 1);
3118 if (!opts) {
3119 exit(EXIT_FAILURE);
3120 }
3121 break;
3122 #ifdef CONFIG_TPM
3123 case QEMU_OPTION_tpmdev:
3124 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3125 exit(1);
3126 }
3127 break;
3128 #endif
3129 case QEMU_OPTION_mempath:
3130 mem_path = optarg;
3131 break;
3132 case QEMU_OPTION_mem_prealloc:
3133 mem_prealloc = 1;
3134 break;
3135 case QEMU_OPTION_d:
3136 log_mask = optarg;
3137 break;
3138 case QEMU_OPTION_D:
3139 log_file = optarg;
3140 break;
3141 case QEMU_OPTION_s:
3142 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3143 break;
3144 case QEMU_OPTION_gdb:
3145 add_device_config(DEV_GDB, optarg);
3146 break;
3147 case QEMU_OPTION_L:
3148 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3149 data_dir[data_dir_idx++] = optarg;
3150 }
3151 break;
3152 case QEMU_OPTION_bios:
3153 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3154 &error_abort);
3155 break;
3156 case QEMU_OPTION_singlestep:
3157 singlestep = 1;
3158 break;
3159 case QEMU_OPTION_S:
3160 autostart = 0;
3161 break;
3162 case QEMU_OPTION_k:
3163 keyboard_layout = optarg;
3164 break;
3165 case QEMU_OPTION_localtime:
3166 rtc_utc = 0;
3167 break;
3168 case QEMU_OPTION_vga:
3169 vga_model = optarg;
3170 default_vga = 0;
3171 break;
3172 case QEMU_OPTION_g:
3173 {
3174 const char *p;
3175 int w, h, depth;
3176 p = optarg;
3177 w = strtol(p, (char **)&p, 10);
3178 if (w <= 0) {
3179 graphic_error:
3180 fprintf(stderr, "qemu: invalid resolution or depth\n");
3181 exit(1);
3182 }
3183 if (*p != 'x')
3184 goto graphic_error;
3185 p++;
3186 h = strtol(p, (char **)&p, 10);
3187 if (h <= 0)
3188 goto graphic_error;
3189 if (*p == 'x') {
3190 p++;
3191 depth = strtol(p, (char **)&p, 10);
3192 if (depth != 8 && depth != 15 && depth != 16 &&
3193 depth != 24 && depth != 32)
3194 goto graphic_error;
3195 } else if (*p == '\0') {
3196 depth = graphic_depth;
3197 } else {
3198 goto graphic_error;
3199 }
3200
3201 graphic_width = w;
3202 graphic_height = h;
3203 graphic_depth = depth;
3204 }
3205 break;
3206 case QEMU_OPTION_echr:
3207 {
3208 char *r;
3209 term_escape_char = strtol(optarg, &r, 0);
3210 if (r == optarg)
3211 printf("Bad argument to echr\n");
3212 break;
3213 }
3214 case QEMU_OPTION_monitor:
3215 default_monitor = 0;
3216 if (strncmp(optarg, "none", 4)) {
3217 monitor_parse(optarg, "readline", false);
3218 }
3219 break;
3220 case QEMU_OPTION_qmp:
3221 monitor_parse(optarg, "control", false);
3222 default_monitor = 0;
3223 break;
3224 case QEMU_OPTION_qmp_pretty:
3225 monitor_parse(optarg, "control", true);
3226 default_monitor = 0;
3227 break;
3228 case QEMU_OPTION_mon:
3229 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3230 if (!opts) {
3231 exit(1);
3232 }
3233 default_monitor = 0;
3234 break;
3235 case QEMU_OPTION_chardev:
3236 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3237 if (!opts) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_fsdev:
3242 olist = qemu_find_opts("fsdev");
3243 if (!olist) {
3244 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3245 exit(1);
3246 }
3247 opts = qemu_opts_parse(olist, optarg, 1);
3248 if (!opts) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_virtfs: {
3253 QemuOpts *fsdev;
3254 QemuOpts *device;
3255 const char *writeout, *sock_fd, *socket;
3256
3257 olist = qemu_find_opts("virtfs");
3258 if (!olist) {
3259 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3260 exit(1);
3261 }
3262 opts = qemu_opts_parse(olist, optarg, 1);
3263 if (!opts) {
3264 exit(1);
3265 }
3266
3267 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3268 qemu_opt_get(opts, "mount_tag") == NULL) {
3269 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3270 exit(1);
3271 }
3272 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3273 qemu_opt_get(opts, "mount_tag"),
3274 1, NULL);
3275 if (!fsdev) {
3276 fprintf(stderr, "duplicate fsdev id: %s\n",
3277 qemu_opt_get(opts, "mount_tag"));
3278 exit(1);
3279 }
3280
3281 writeout = qemu_opt_get(opts, "writeout");
3282 if (writeout) {
3283 #ifdef CONFIG_SYNC_FILE_RANGE
3284 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3285 #else
3286 fprintf(stderr, "writeout=immediate not supported on "
3287 "this platform\n");
3288 exit(1);
3289 #endif
3290 }
3291 qemu_opt_set(fsdev, "fsdriver",
3292 qemu_opt_get(opts, "fsdriver"), &error_abort);
3293 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3294 &error_abort);
3295 qemu_opt_set(fsdev, "security_model",
3296 qemu_opt_get(opts, "security_model"),
3297 &error_abort);
3298 socket = qemu_opt_get(opts, "socket");
3299 if (socket) {
3300 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3301 }
3302 sock_fd = qemu_opt_get(opts, "sock_fd");
3303 if (sock_fd) {
3304 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3305 }
3306
3307 qemu_opt_set_bool(fsdev, "readonly",
3308 qemu_opt_get_bool(opts, "readonly", 0),
3309 &error_abort);
3310 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3311 &error_abort);
3312 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3313 qemu_opt_set(device, "fsdev",
3314 qemu_opt_get(opts, "mount_tag"), &error_abort);
3315 qemu_opt_set(device, "mount_tag",
3316 qemu_opt_get(opts, "mount_tag"), &error_abort);
3317 break;
3318 }
3319 case QEMU_OPTION_virtfs_synth: {
3320 QemuOpts *fsdev;
3321 QemuOpts *device;
3322
3323 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3324 1, NULL);
3325 if (!fsdev) {
3326 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3327 exit(1);
3328 }
3329 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3330
3331 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3332 &error_abort);
3333 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3334 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3335 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3336 break;
3337 }
3338 case QEMU_OPTION_serial:
3339 add_device_config(DEV_SERIAL, optarg);
3340 default_serial = 0;
3341 if (strncmp(optarg, "mon:", 4) == 0) {
3342 default_monitor = 0;
3343 }
3344 break;
3345 case QEMU_OPTION_watchdog:
3346 if (watchdog) {
3347 fprintf(stderr,
3348 "qemu: only one watchdog option may be given\n");
3349 return 1;
3350 }
3351 watchdog = optarg;
3352 break;
3353 case QEMU_OPTION_watchdog_action:
3354 if (select_watchdog_action(optarg) == -1) {
3355 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3356 exit(1);
3357 }
3358 break;
3359 case QEMU_OPTION_virtiocon:
3360 add_device_config(DEV_VIRTCON, optarg);
3361 default_virtcon = 0;
3362 if (strncmp(optarg, "mon:", 4) == 0) {
3363 default_monitor = 0;
3364 }
3365 break;
3366 case QEMU_OPTION_parallel:
3367 add_device_config(DEV_PARALLEL, optarg);
3368 default_parallel = 0;
3369 if (strncmp(optarg, "mon:", 4) == 0) {
3370 default_monitor = 0;
3371 }
3372 break;
3373 case QEMU_OPTION_debugcon:
3374 add_device_config(DEV_DEBUGCON, optarg);
3375 break;
3376 case QEMU_OPTION_loadvm:
3377 loadvm = optarg;
3378 break;
3379 case QEMU_OPTION_full_screen:
3380 full_screen = 1;
3381 break;
3382 case QEMU_OPTION_no_frame:
3383 no_frame = 1;
3384 break;
3385 case QEMU_OPTION_alt_grab:
3386 alt_grab = 1;
3387 break;
3388 case QEMU_OPTION_ctrl_grab:
3389 ctrl_grab = 1;
3390 break;
3391 case QEMU_OPTION_no_quit:
3392 no_quit = 1;
3393 break;
3394 case QEMU_OPTION_sdl:
3395 #ifdef CONFIG_SDL
3396 display_type = DT_SDL;
3397 break;
3398 #else
3399 fprintf(stderr, "SDL support is disabled\n");
3400 exit(1);
3401 #endif
3402 case QEMU_OPTION_pidfile:
3403 pid_file = optarg;
3404 break;
3405 case QEMU_OPTION_win2k_hack:
3406 win2k_install_hack = 1;
3407 break;
3408 case QEMU_OPTION_rtc_td_hack: {
3409 static GlobalProperty slew_lost_ticks[] = {
3410 {
3411 .driver = "mc146818rtc",
3412 .property = "lost_tick_policy",
3413 .value = "slew",
3414 },
3415 { /* end of list */ }
3416 };
3417
3418 qdev_prop_register_global_list(slew_lost_ticks);
3419 break;
3420 }
3421 case QEMU_OPTION_acpitable:
3422 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3423 if (!opts) {
3424 exit(1);
3425 }
3426 do_acpitable_option(opts);
3427 break;
3428 case QEMU_OPTION_smbios:
3429 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3430 if (!opts) {
3431 exit(1);
3432 }
3433 do_smbios_option(opts);
3434 break;
3435 case QEMU_OPTION_enable_kvm:
3436 olist = qemu_find_opts("machine");
3437 qemu_opts_parse(olist, "accel=kvm", 0);
3438 break;
3439 case QEMU_OPTION_M:
3440 case QEMU_OPTION_machine:
3441 olist = qemu_find_opts("machine");
3442 opts = qemu_opts_parse(olist, optarg, 1);
3443 if (!opts) {
3444 exit(1);
3445 }
3446 break;
3447 case QEMU_OPTION_no_kvm:
3448 olist = qemu_find_opts("machine");
3449 qemu_opts_parse(olist, "accel=tcg", 0);
3450 break;
3451 case QEMU_OPTION_no_kvm_pit: {
3452 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3453 "separately.\n");
3454 break;
3455 }
3456 case QEMU_OPTION_no_kvm_pit_reinjection: {
3457 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3458 {
3459 .driver = "kvm-pit",
3460 .property = "lost_tick_policy",
3461 .value = "discard",
3462 },
3463 { /* end of list */ }
3464 };
3465
3466 fprintf(stderr, "Warning: option deprecated, use "
3467 "lost_tick_policy property of kvm-pit instead.\n");
3468 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3469 break;
3470 }
3471 case QEMU_OPTION_usb:
3472 olist = qemu_find_opts("machine");
3473 qemu_opts_parse(olist, "usb=on", 0);
3474 break;
3475 case QEMU_OPTION_usbdevice:
3476 olist = qemu_find_opts("machine");
3477 qemu_opts_parse(olist, "usb=on", 0);
3478 add_device_config(DEV_USB, optarg);
3479 break;
3480 case QEMU_OPTION_device:
3481 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3482 exit(1);
3483 }
3484 break;
3485 case QEMU_OPTION_smp:
3486 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3487 exit(1);
3488 }
3489 break;
3490 case QEMU_OPTION_vnc:
3491 #ifdef CONFIG_VNC
3492 if (vnc_parse_func(optarg) == NULL) {
3493 exit(1);
3494 }
3495 #else
3496 fprintf(stderr, "VNC support is disabled\n");
3497 exit(1);
3498 #endif
3499 break;
3500 case QEMU_OPTION_no_acpi:
3501 acpi_enabled = 0;
3502 break;
3503 case QEMU_OPTION_no_hpet:
3504 no_hpet = 1;
3505 break;
3506 case QEMU_OPTION_balloon:
3507 if (balloon_parse(optarg) < 0) {
3508 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3509 exit(1);
3510 }
3511 break;
3512 case QEMU_OPTION_no_reboot:
3513 no_reboot = 1;
3514 break;
3515 case QEMU_OPTION_no_shutdown:
3516 no_shutdown = 1;
3517 break;
3518 case QEMU_OPTION_show_cursor:
3519 cursor_hide = 0;
3520 break;
3521 case QEMU_OPTION_uuid:
3522 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3523 fprintf(stderr, "Fail to parse UUID string."
3524 " Wrong format.\n");
3525 exit(1);
3526 }
3527 qemu_uuid_set = true;
3528 break;
3529 case QEMU_OPTION_option_rom:
3530 if (nb_option_roms >= MAX_OPTION_ROMS) {
3531 fprintf(stderr, "Too many option ROMs\n");
3532 exit(1);
3533 }
3534 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3535 if (!opts) {
3536 exit(1);
3537 }
3538 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3539 option_rom[nb_option_roms].bootindex =
3540 qemu_opt_get_number(opts, "bootindex", -1);
3541 if (!option_rom[nb_option_roms].name) {
3542 fprintf(stderr, "Option ROM file is not specified\n");
3543 exit(1);
3544 }
3545 nb_option_roms++;
3546 break;
3547 case QEMU_OPTION_semihosting:
3548 semihosting_enabled = 1;
3549 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3550 break;
3551 case QEMU_OPTION_semihosting_config:
3552 semihosting_enabled = 1;
3553 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3554 optarg, 0);
3555 if (opts != NULL) {
3556 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3557 true);
3558 const char *target = qemu_opt_get(opts, "target");
3559 if (target != NULL) {
3560 if (strcmp("native", target) == 0) {
3561 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3562 } else if (strcmp("gdb", target) == 0) {
3563 semihosting_target = SEMIHOSTING_TARGET_GDB;
3564 } else if (strcmp("auto", target) == 0) {
3565 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3566 } else {
3567 fprintf(stderr, "Unsupported semihosting-config"
3568 " %s\n",
3569 optarg);
3570 exit(1);
3571 }
3572 } else {
3573 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3574 }
3575 } else {
3576 fprintf(stderr, "Unsupported semihosting-config %s\n",
3577 optarg);
3578 exit(1);
3579 }
3580 break;
3581 case QEMU_OPTION_tdf:
3582 fprintf(stderr, "Warning: user space PIT time drift fix "
3583 "is no longer supported.\n");
3584 break;
3585 case QEMU_OPTION_name:
3586 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3587 if (!opts) {
3588 exit(1);
3589 }
3590 break;
3591 case QEMU_OPTION_prom_env:
3592 if (nb_prom_envs >= MAX_PROM_ENVS) {
3593 fprintf(stderr, "Too many prom variables\n");
3594 exit(1);
3595 }
3596 prom_envs[nb_prom_envs] = optarg;
3597 nb_prom_envs++;
3598 break;
3599 case QEMU_OPTION_old_param:
3600 old_param = 1;
3601 break;
3602 case QEMU_OPTION_clock:
3603 /* Clock options no longer exist. Keep this option for
3604 * backward compatibility.
3605 */
3606 break;
3607 case QEMU_OPTION_startdate:
3608 configure_rtc_date_offset(optarg, 1);
3609 break;
3610 case QEMU_OPTION_rtc:
3611 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3612 if (!opts) {
3613 exit(1);
3614 }
3615 configure_rtc(opts);
3616 break;
3617 case QEMU_OPTION_tb_size:
3618 tcg_tb_size = strtol(optarg, NULL, 0);
3619 if (tcg_tb_size < 0) {
3620 tcg_tb_size = 0;
3621 }
3622 break;
3623 case QEMU_OPTION_icount:
3624 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3625 optarg, 1);
3626 if (!icount_opts) {
3627 exit(1);
3628 }
3629 break;
3630 case QEMU_OPTION_incoming:
3631 if (!incoming) {
3632 runstate_set(RUN_STATE_INMIGRATE);
3633 }
3634 incoming = optarg;
3635 break;
3636 case QEMU_OPTION_nodefaults:
3637 has_defaults = 0;
3638 break;
3639 case QEMU_OPTION_xen_domid:
3640 if (!(xen_available())) {
3641 printf("Option %s not supported for this target\n", popt->name);
3642 exit(1);
3643 }
3644 xen_domid = atoi(optarg);
3645 break;
3646 case QEMU_OPTION_xen_create:
3647 if (!(xen_available())) {
3648 printf("Option %s not supported for this target\n", popt->name);
3649 exit(1);
3650 }
3651 xen_mode = XEN_CREATE;
3652 break;
3653 case QEMU_OPTION_xen_attach:
3654 if (!(xen_available())) {
3655 printf("Option %s not supported for this target\n", popt->name);
3656 exit(1);
3657 }
3658 xen_mode = XEN_ATTACH;
3659 break;
3660 case QEMU_OPTION_trace:
3661 {
3662 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3663 if (!opts) {
3664 exit(1);
3665 }
3666 trace_events = qemu_opt_get(opts, "events");
3667 trace_file = qemu_opt_get(opts, "file");
3668 break;
3669 }
3670 case QEMU_OPTION_readconfig:
3671 {
3672 int ret = qemu_read_config_file(optarg);
3673 if (ret < 0) {
3674 fprintf(stderr, "read config %s: %s\n", optarg,
3675 strerror(-ret));
3676 exit(1);
3677 }
3678 break;
3679 }
3680 case QEMU_OPTION_spice:
3681 olist = qemu_find_opts("spice");
3682 if (!olist) {
3683 fprintf(stderr, "spice is not supported by this qemu build.\n");
3684 exit(1);
3685 }
3686 opts = qemu_opts_parse(olist, optarg, 0);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 display_remote++;
3691 break;
3692 case QEMU_OPTION_writeconfig:
3693 {
3694 FILE *fp;
3695 if (strcmp(optarg, "-") == 0) {
3696 fp = stdout;
3697 } else {
3698 fp = fopen(optarg, "w");
3699 if (fp == NULL) {
3700 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3701 exit(1);
3702 }
3703 }
3704 qemu_config_write(fp);
3705 if (fp != stdout) {
3706 fclose(fp);
3707 }
3708 break;
3709 }
3710 case QEMU_OPTION_qtest:
3711 qtest_chrdev = optarg;
3712 break;
3713 case QEMU_OPTION_qtest_log:
3714 qtest_log = optarg;
3715 break;
3716 case QEMU_OPTION_sandbox:
3717 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3718 if (!opts) {
3719 exit(1);
3720 }
3721 break;
3722 case QEMU_OPTION_add_fd:
3723 #ifndef _WIN32
3724 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3725 if (!opts) {
3726 exit(1);
3727 }
3728 #else
3729 error_report("File descriptor passing is disabled on this "
3730 "platform");
3731 exit(1);
3732 #endif
3733 break;
3734 case QEMU_OPTION_object:
3735 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3736 if (!opts) {
3737 exit(1);
3738 }
3739 break;
3740 case QEMU_OPTION_realtime:
3741 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3746 break;
3747 case QEMU_OPTION_msg:
3748 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3749 if (!opts) {
3750 exit(1);
3751 }
3752 configure_msg(opts);
3753 break;
3754 case QEMU_OPTION_dump_vmstate:
3755 if (vmstate_dump_file) {
3756 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3757 "option may be given\n");
3758 exit(1);
3759 }
3760 vmstate_dump_file = fopen(optarg, "w");
3761 if (vmstate_dump_file == NULL) {
3762 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3763 exit(1);
3764 }
3765 break;
3766 default:
3767 os_parse_cmd_args(popt->index, optarg);
3768 }
3769 }
3770 }
3771
3772 opts = qemu_get_machine_opts();
3773 optarg = qemu_opt_get(opts, "type");
3774 if (optarg) {
3775 machine_class = machine_parse(optarg);
3776 }
3777
3778 set_memory_options(&ram_slots, &maxram_size);
3779
3780 loc_set_none();
3781
3782 os_daemonize();
3783
3784 if (qemu_init_main_loop(&main_loop_err)) {
3785 error_report_err(main_loop_err);
3786 exit(1);
3787 }
3788
3789 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3790 exit(1);
3791 }
3792
3793 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3794 exit(1);
3795 }
3796
3797 #ifndef _WIN32
3798 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3799 exit(1);
3800 }
3801
3802 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3803 exit(1);
3804 }
3805 #endif
3806
3807 if (machine_class == NULL) {
3808 fprintf(stderr, "No machine specified, and there is no default.\n"
3809 "Use -machine help to list supported machines!\n");
3810 exit(1);
3811 }
3812
3813 current_machine = MACHINE(object_new(object_class_get_name(
3814 OBJECT_CLASS(machine_class))));
3815 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3816 exit(0);
3817 }
3818 object_property_add_child(object_get_root(), "machine",
3819 OBJECT(current_machine), &error_abort);
3820 cpu_exec_init_all();
3821
3822 if (machine_class->hw_version) {
3823 qemu_set_version(machine_class->hw_version);
3824 }
3825
3826 /* Init CPU def lists, based on config
3827 * - Must be called after all the qemu_read_config_file() calls
3828 * - Must be called before list_cpus()
3829 * - Must be called before machine->init()
3830 */
3831 cpudef_init();
3832
3833 if (cpu_model && is_help_option(cpu_model)) {
3834 list_cpus(stdout, &fprintf, cpu_model);
3835 exit(0);
3836 }
3837
3838 /* Open the logfile at this point, if necessary. We can't open the logfile
3839 * when encountering either of the logging options (-d or -D) because the
3840 * other one may be encountered later on the command line, changing the
3841 * location or level of logging.
3842 */
3843 if (log_mask) {
3844 int mask;
3845 if (log_file) {
3846 qemu_set_log_filename(log_file);
3847 }
3848
3849 mask = qemu_str_to_log_mask(log_mask);
3850 if (!mask) {
3851 qemu_print_log_usage(stdout);
3852 exit(1);
3853 }
3854 qemu_set_log(mask);
3855 }
3856
3857 if (!is_daemonized()) {
3858 if (!trace_init_backends(trace_events, trace_file)) {
3859 exit(1);
3860 }
3861 }
3862
3863 /* If no data_dir is specified then try to find it relative to the
3864 executable path. */
3865 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3866 data_dir[data_dir_idx] = os_find_datadir();
3867 if (data_dir[data_dir_idx] != NULL) {
3868 data_dir_idx++;
3869 }
3870 }
3871 /* If all else fails use the install path specified when building. */
3872 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3873 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3874 }
3875
3876 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3877
3878 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3879 if (max_cpus > machine_class->max_cpus) {
3880 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3881 "supported by machine `%s' (%d)\n", max_cpus,
3882 machine_class->name, machine_class->max_cpus);
3883 exit(1);
3884 }
3885
3886 /*
3887 * Get the default machine options from the machine if it is not already
3888 * specified either by the configuration file or by the command line.
3889 */
3890 if (machine_class->default_machine_opts) {
3891 qemu_opts_set_defaults(qemu_find_opts("machine"),
3892 machine_class->default_machine_opts, 0);
3893 }
3894
3895 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3896 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3897
3898 if (!vga_model && !default_vga) {
3899 vga_interface_type = VGA_DEVICE;
3900 }
3901 if (!has_defaults || machine_class->no_serial) {
3902 default_serial = 0;
3903 }
3904 if (!has_defaults || machine_class->no_parallel) {
3905 default_parallel = 0;
3906 }
3907 if (!has_defaults || !machine_class->use_virtcon) {
3908 default_virtcon = 0;
3909 }
3910 if (!has_defaults || !machine_class->use_sclp) {
3911 default_sclp = 0;
3912 }
3913 if (!has_defaults || machine_class->no_floppy) {
3914 default_floppy = 0;
3915 }
3916 if (!has_defaults || machine_class->no_cdrom) {
3917 default_cdrom = 0;
3918 }
3919 if (!has_defaults || machine_class->no_sdcard) {
3920 default_sdcard = 0;
3921 }
3922 if (!has_defaults) {
3923 default_monitor = 0;
3924 default_net = 0;
3925 default_vga = 0;
3926 }
3927
3928 if (is_daemonized()) {
3929 /* According to documentation and historically, -nographic redirects
3930 * serial port, parallel port and monitor to stdio, which does not work
3931 * with -daemonize. We can redirect these to null instead, but since
3932 * -nographic is legacy, let's just error out.
3933 * We disallow -nographic only if all other ports are not redirected
3934 * explicitly, to not break existing legacy setups which uses
3935 * -nographic _and_ redirects all ports explicitly - this is valid
3936 * usage, -nographic is just a no-op in this case.
3937 */
3938 if (display_type == DT_NOGRAPHIC
3939 && (default_parallel || default_serial
3940 || default_monitor || default_virtcon)) {
3941 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3942 exit(1);
3943 }
3944 #ifdef CONFIG_CURSES
3945 if (display_type == DT_CURSES) {
3946 fprintf(stderr, "curses display can not be used with -daemonize\n");
3947 exit(1);
3948 }
3949 #endif
3950 }
3951
3952 if (display_type == DT_NOGRAPHIC) {
3953 if (default_parallel)
3954 add_device_config(DEV_PARALLEL, "null");
3955 if (default_serial && default_monitor) {
3956 add_device_config(DEV_SERIAL, "mon:stdio");
3957 } else if (default_virtcon && default_monitor) {
3958 add_device_config(DEV_VIRTCON, "mon:stdio");
3959 } else if (default_sclp && default_monitor) {
3960 add_device_config(DEV_SCLP, "mon:stdio");
3961 } else {
3962 if (default_serial)
3963 add_device_config(DEV_SERIAL, "stdio");
3964 if (default_virtcon)
3965 add_device_config(DEV_VIRTCON, "stdio");
3966 if (default_sclp) {
3967 add_device_config(DEV_SCLP, "stdio");
3968 }
3969 if (default_monitor)
3970 monitor_parse("stdio", "readline", false);
3971 }
3972 } else {
3973 if (default_serial)
3974 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3975 if (default_parallel)
3976 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3977 if (default_monitor)
3978 monitor_parse("vc:80Cx24C", "readline", false);
3979 if (default_virtcon)
3980 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3981 if (default_sclp) {
3982 add_device_config(DEV_SCLP, "vc:80Cx24C");
3983 }
3984 }
3985
3986 #if defined(CONFIG_VNC)
3987 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3988 display_remote++;
3989 }
3990 #endif
3991 if (display_type == DT_DEFAULT && !display_remote) {
3992 #if defined(CONFIG_GTK)
3993 display_type = DT_GTK;
3994 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3995 display_type = DT_SDL;
3996 #elif defined(CONFIG_VNC)
3997 vnc_parse_func("localhost:0,to=99,id=default");
3998 show_vnc_port = 1;
3999 #else
4000 display_type = DT_NONE;
4001 #endif
4002 }
4003
4004 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4005 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4006 "for SDL, ignoring option\n");
4007 }
4008 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4009 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4010 "ignoring option\n");
4011 }
4012
4013 #if defined(CONFIG_GTK)
4014 if (display_type == DT_GTK) {
4015 early_gtk_display_init();
4016 }
4017 #endif
4018 #if defined(CONFIG_SDL)
4019 if (display_type == DT_SDL) {
4020 sdl_display_early_init(request_opengl);
4021 }
4022 #endif
4023 if (request_opengl == 1 && display_opengl == 0) {
4024 #if defined(CONFIG_OPENGL)
4025 fprintf(stderr, "OpenGL is not supported by the display.\n");
4026 #else
4027 fprintf(stderr, "QEMU was built without opengl support.\n");
4028 #endif
4029 exit(1);
4030 }
4031
4032 socket_init();
4033
4034 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4035 exit(1);
4036 #ifdef CONFIG_VIRTFS
4037 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4038 exit(1);
4039 }
4040 #endif
4041
4042 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4043 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4044 exit(1);
4045 }
4046
4047 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4048 != 0) {
4049 exit(0);
4050 }
4051
4052 if (qemu_opts_foreach(qemu_find_opts("object"),
4053 object_create, NULL, 0) != 0) {
4054 exit(1);
4055 }
4056
4057 machine_opts = qemu_get_machine_opts();
4058 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4059 1) < 0) {
4060 object_unref(OBJECT(current_machine));
4061 exit(1);
4062 }
4063
4064 configure_accelerator(current_machine);
4065
4066 if (qtest_chrdev) {
4067 Error *local_err = NULL;
4068 qtest_init(qtest_chrdev, qtest_log, &local_err);
4069 if (local_err) {
4070 error_report_err(local_err);
4071 exit(1);
4072 }
4073 }
4074
4075 machine_opts = qemu_get_machine_opts();
4076 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4077 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4078 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4079 bios_name = qemu_opt_get(machine_opts, "firmware");
4080
4081 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4082 if (opts) {
4083 Error *local_err = NULL;
4084
4085 boot_order = qemu_opt_get(opts, "order");
4086 if (boot_order) {
4087 validate_bootdevices(boot_order, &local_err);
4088 if (local_err) {
4089 error_report_err(local_err);
4090 exit(1);
4091 }
4092 }
4093
4094 boot_once = qemu_opt_get(opts, "once");
4095 if (boot_once) {
4096 validate_bootdevices(boot_once, &local_err);
4097 if (local_err) {
4098 error_report_err(local_err);
4099 exit(1);
4100 }
4101 }
4102
4103 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4104 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4105 }
4106
4107 if (!boot_order) {
4108 boot_order = machine_class->default_boot_order;
4109 }
4110
4111 if (!kernel_cmdline) {
4112 kernel_cmdline = "";
4113 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4114 }
4115
4116 linux_boot = (kernel_filename != NULL);
4117
4118 if (!linux_boot && *kernel_cmdline != '\0') {
4119 fprintf(stderr, "-append only allowed with -kernel option\n");
4120 exit(1);
4121 }
4122
4123 if (!linux_boot && initrd_filename != NULL) {
4124 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4125 exit(1);
4126 }
4127
4128 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4129 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4130 exit(1);
4131 }
4132
4133 os_set_line_buffering();
4134
4135 #ifdef CONFIG_SPICE
4136 /* spice needs the timers to be initialized by this point */
4137 qemu_spice_init();
4138 #endif
4139
4140 cpu_ticks_init();
4141 if (icount_opts) {
4142 if (kvm_enabled() || xen_enabled()) {
4143 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4144 exit(1);
4145 }
4146 configure_icount(icount_opts, &error_abort);
4147 qemu_opts_del(icount_opts);
4148 }
4149
4150 /* clean up network at qemu process termination */
4151 atexit(&net_cleanup);
4152
4153 if (net_init_clients() < 0) {
4154 exit(1);
4155 }
4156
4157 #ifdef CONFIG_TPM
4158 if (tpm_init() < 0) {
4159 exit(1);
4160 }
4161 #endif
4162
4163 /* init the bluetooth world */
4164 if (foreach_device_config(DEV_BT, bt_parse))
4165 exit(1);
4166
4167 if (!xen_enabled()) {
4168 /* On 32-bit hosts, QEMU is limited by virtual address space */
4169 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4170 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4171 exit(1);
4172 }
4173 }
4174
4175 blk_mig_init();
4176 ram_mig_init();
4177
4178 /* If the currently selected machine wishes to override the units-per-bus
4179 * property of its default HBA interface type, do so now. */
4180 if (machine_class->units_per_default_bus) {
4181 override_max_devs(machine_class->block_default_type,
4182 machine_class->units_per_default_bus);
4183 }
4184
4185 /* open the virtual block devices */
4186 if (snapshot)
4187 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4188 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4189 &machine_class->block_default_type, 1) != 0) {
4190 exit(1);
4191 }
4192
4193 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4194 CDROM_OPTS);
4195 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4196 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4197
4198 parse_numa_opts(machine_class);
4199
4200 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4201 exit(1);
4202 }
4203
4204 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4205 exit(1);
4206 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4207 exit(1);
4208 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4209 exit(1);
4210 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4211 exit(1);
4212 }
4213 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4214 exit(1);
4215
4216 /* If no default VGA is requested, the default is "none". */
4217 if (default_vga) {
4218 if (machine_class->default_display) {
4219 vga_model = machine_class->default_display;
4220 } else if (cirrus_vga_available()) {
4221 vga_model = "cirrus";
4222 } else if (vga_available()) {
4223 vga_model = "std";
4224 }
4225 }
4226 if (vga_model) {
4227 select_vgahw(vga_model);
4228 }
4229
4230 if (watchdog) {
4231 i = select_watchdog(watchdog);
4232 if (i > 0)
4233 exit (i == 1 ? 1 : 0);
4234 }
4235
4236 if (machine_class->compat_props) {
4237 qdev_prop_register_global_list(machine_class->compat_props);
4238 }
4239 qemu_add_globals();
4240
4241 qdev_machine_init();
4242
4243 current_machine->ram_size = ram_size;
4244 current_machine->maxram_size = maxram_size;
4245 current_machine->ram_slots = ram_slots;
4246 current_machine->boot_order = boot_order;
4247 current_machine->cpu_model = cpu_model;
4248
4249 machine_class->init(current_machine);
4250
4251 realtime_init();
4252
4253 audio_init();
4254
4255 cpu_synchronize_all_post_init();
4256
4257 numa_post_machine_init();
4258
4259 /* init USB devices */
4260 if (usb_enabled()) {
4261 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4262 exit(1);
4263 }
4264
4265 /* init generic devices */
4266 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4267 exit(1);
4268
4269 /* Did we create any drives that we failed to create a device for? */
4270 drive_check_orphaned();
4271
4272 net_check_clients();
4273
4274 if (boot_once) {
4275 Error *local_err = NULL;
4276 qemu_boot_set(boot_once, &local_err);
4277 if (local_err) {
4278 error_report("%s", error_get_pretty(local_err));
4279 exit(1);
4280 }
4281 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4282 }
4283
4284 ds = init_displaystate();
4285
4286 /* init local displays */
4287 switch (display_type) {
4288 case DT_NOGRAPHIC:
4289 (void)ds; /* avoid warning if no display is configured */
4290 break;
4291 #if defined(CONFIG_CURSES)
4292 case DT_CURSES:
4293 curses_display_init(ds, full_screen);
4294 break;
4295 #endif
4296 #if defined(CONFIG_SDL)
4297 case DT_SDL:
4298 sdl_display_init(ds, full_screen, no_frame);
4299 break;
4300 #elif defined(CONFIG_COCOA)
4301 case DT_SDL:
4302 cocoa_display_init(ds, full_screen);
4303 break;
4304 #endif
4305 #if defined(CONFIG_GTK)
4306 case DT_GTK:
4307 gtk_display_init(ds, full_screen, grab_on_hover);
4308 break;
4309 #endif
4310 default:
4311 break;
4312 }
4313
4314 /* must be after terminal init, SDL library changes signal handlers */
4315 os_setup_signal_handling();
4316
4317 #ifdef CONFIG_VNC
4318 /* init remote displays */
4319 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4320 if (show_vnc_port) {
4321 printf("VNC server running on `%s'\n",
4322 vnc_display_local_addr("default"));
4323 }
4324 #endif
4325 #ifdef CONFIG_SPICE
4326 if (using_spice) {
4327 qemu_spice_display_init();
4328 }
4329 #endif
4330
4331 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4332 exit(1);
4333 }
4334
4335 qdev_machine_creation_done();
4336
4337 if (rom_load_all() != 0) {
4338 fprintf(stderr, "rom loading failed\n");
4339 exit(1);
4340 }
4341
4342 /* TODO: once all bus devices are qdevified, this should be done
4343 * when bus is created by qdev.c */
4344 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4345 qemu_run_machine_init_done_notifiers();
4346
4347 /* Done notifiers can load ROMs */
4348 rom_load_done();
4349
4350 qemu_system_reset(VMRESET_SILENT);
4351 if (loadvm) {
4352 if (load_vmstate(loadvm) < 0) {
4353 autostart = 0;
4354 }
4355 }
4356
4357 qdev_prop_check_globals();
4358 if (vmstate_dump_file) {
4359 /* dump and exit */
4360 dump_vmstate_json_to_file(vmstate_dump_file);
4361 return 0;
4362 }
4363
4364 if (incoming) {
4365 Error *local_err = NULL;
4366 qemu_start_incoming_migration(incoming, &local_err);
4367 if (local_err) {
4368 error_report("-incoming %s: %s", incoming,
4369 error_get_pretty(local_err));
4370 error_free(local_err);
4371 exit(1);
4372 }
4373 } else if (autostart) {
4374 vm_start();
4375 }
4376
4377 os_setup_post();
4378
4379 if (is_daemonized()) {
4380 if (!trace_init_backends(trace_events, trace_file)) {
4381 exit(1);
4382 }
4383 }
4384
4385 main_loop();
4386 bdrv_close_all();
4387 pause_all_vcpus();
4388 res_free();
4389 #ifdef CONFIG_TPM
4390 tpm_cleanup();
4391 #endif
4392
4393 return 0;
4394 }
QEMU Monitor Protocol