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coroutine: rewrite pool to avoid mutex
[qemu/rayw.git] / vl.c
blob7786b2f9217472ce7c0b6dac2de36e3738560b9a
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
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 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 uint8_t qemu_uuid[16];
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 /*
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
315 */
316 { }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_msg_opts = {
405 .name = "msg",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .desc = {
408 {
409 .name = "timestamp",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_name_opts = {
417 .name = "name",
418 .implied_opt_name = "guest",
419 .merge_lists = true,
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .desc = {
422 {
423 .name = "guest",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
428 }, {
429 .name = "process",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
432 }, {
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
437 "stable API.",
438 },
439 { /* End of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_mem_opts = {
444 .name = "memory",
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .merge_lists = true,
448 .desc = {
449 {
450 .name = "size",
451 .type = QEMU_OPT_SIZE,
452 },
453 {
454 .name = "slots",
455 .type = QEMU_OPT_NUMBER,
456 },
457 {
458 .name = "maxmem",
459 .type = QEMU_OPT_SIZE,
460 },
461 { /* end of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_icount_opts = {
466 .name = "icount",
467 .implied_opt_name = "shift",
468 .merge_lists = true,
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .desc = {
471 {
472 .name = "shift",
473 .type = QEMU_OPT_STRING,
474 }, {
475 .name = "align",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 },
494 { /* end of list */ }
495 },
496 };
497
498 /**
499 * Get machine options
500 *
501 * Returns: machine options (never null).
502 */
503 QemuOpts *qemu_get_machine_opts(void)
504 {
505 return qemu_find_opts_singleton("machine");
506 }
507
508 const char *qemu_get_vm_name(void)
509 {
510 return qemu_name;
511 }
512
513 static void res_free(void)
514 {
515 if (boot_splash_filedata != NULL) {
516 g_free(boot_splash_filedata);
517 boot_splash_filedata = NULL;
518 }
519 }
520
521 static int default_driver_check(QemuOpts *opts, void *opaque)
522 {
523 const char *driver = qemu_opt_get(opts, "driver");
524 int i;
525
526 if (!driver)
527 return 0;
528 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
529 if (strcmp(default_list[i].driver, driver) != 0)
530 continue;
531 *(default_list[i].flag) = 0;
532 }
533 return 0;
534 }
535
536 /***********************************************************/
537 /* QEMU state */
538
539 static RunState current_run_state = RUN_STATE_PRELAUNCH;
540
541 /* We use RUN_STATE_MAX but any invalid value will do */
542 static RunState vmstop_requested = RUN_STATE_MAX;
543 static QemuMutex vmstop_lock;
544
545 typedef struct {
546 RunState from;
547 RunState to;
548 } RunStateTransition;
549
550 static const RunStateTransition runstate_transitions_def[] = {
551 /* from -> to */
552 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
553 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
557
558 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
559 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
562 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
565 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
568 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
569
570 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
571 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
573
574 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
575 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
576
577 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
578
579 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
580 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
582 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
583 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
585 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
586 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
587 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
588 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
589
590 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
591
592 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
593 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
596 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
597 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
598 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
601 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
604 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_MAX, RUN_STATE_MAX },
607 };
608
609 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
610
611 bool runstate_check(RunState state)
612 {
613 return current_run_state == state;
614 }
615
616 static void runstate_init(void)
617 {
618 const RunStateTransition *p;
619
620 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
621 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
622 runstate_valid_transitions[p->from][p->to] = true;
623 }
624
625 qemu_mutex_init(&vmstop_lock);
626 }
627
628 /* This function will abort() on invalid state transitions */
629 void runstate_set(RunState new_state)
630 {
631 assert(new_state < RUN_STATE_MAX);
632
633 if (!runstate_valid_transitions[current_run_state][new_state]) {
634 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
635 RunState_lookup[current_run_state],
636 RunState_lookup[new_state]);
637 abort();
638 }
639 trace_runstate_set(new_state);
640 current_run_state = new_state;
641 }
642
643 int runstate_is_running(void)
644 {
645 return runstate_check(RUN_STATE_RUNNING);
646 }
647
648 bool runstate_needs_reset(void)
649 {
650 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
651 runstate_check(RUN_STATE_SHUTDOWN);
652 }
653
654 StatusInfo *qmp_query_status(Error **errp)
655 {
656 StatusInfo *info = g_malloc0(sizeof(*info));
657
658 info->running = runstate_is_running();
659 info->singlestep = singlestep;
660 info->status = current_run_state;
661
662 return info;
663 }
664
665 static bool qemu_vmstop_requested(RunState *r)
666 {
667 qemu_mutex_lock(&vmstop_lock);
668 *r = vmstop_requested;
669 vmstop_requested = RUN_STATE_MAX;
670 qemu_mutex_unlock(&vmstop_lock);
671 return *r < RUN_STATE_MAX;
672 }
673
674 void qemu_system_vmstop_request_prepare(void)
675 {
676 qemu_mutex_lock(&vmstop_lock);
677 }
678
679 void qemu_system_vmstop_request(RunState state)
680 {
681 vmstop_requested = state;
682 qemu_mutex_unlock(&vmstop_lock);
683 qemu_notify_event();
684 }
685
686 void vm_start(void)
687 {
688 RunState requested;
689
690 qemu_vmstop_requested(&requested);
691 if (runstate_is_running() && requested == RUN_STATE_MAX) {
692 return;
693 }
694
695 /* Ensure that a STOP/RESUME pair of events is emitted if a
696 * vmstop request was pending. The BLOCK_IO_ERROR event, for
697 * example, according to documentation is always followed by
698 * the STOP event.
699 */
700 if (runstate_is_running()) {
701 qapi_event_send_stop(&error_abort);
702 } else {
703 cpu_enable_ticks();
704 runstate_set(RUN_STATE_RUNNING);
705 vm_state_notify(1, RUN_STATE_RUNNING);
706 resume_all_vcpus();
707 }
708
709 qapi_event_send_resume(&error_abort);
710 }
711
712
713 /***********************************************************/
714 /* real time host monotonic timer */
715
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
719 {
720 time_t ti;
721
722 time(&ti);
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 - time(NULL);
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 = time(NULL) - 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
1017 fd = qemu_opt_get_number(opts, "fd", -1);
1018 fdset_id = qemu_opt_get_number(opts, "set", -1);
1019 fd_opaque = qemu_opt_get(opts, "opaque");
1020
1021 if (fd < 0) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd option is required and must be non-negative");
1024 return -1;
1025 }
1026
1027 if (fd <= STDERR_FILENO) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "fd cannot be a standard I/O stream");
1030 return -1;
1031 }
1032
1033 /*
1034 * All fds inherited across exec() necessarily have FD_CLOEXEC
1035 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1036 */
1037 flags = fcntl(fd, F_GETFD);
1038 if (flags == -1 || (flags & FD_CLOEXEC)) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "fd is not valid or already in use");
1041 return -1;
1042 }
1043
1044 if (fdset_id < 0) {
1045 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1046 "set option is required and must be non-negative");
1047 return -1;
1048 }
1049
1050 #ifdef F_DUPFD_CLOEXEC
1051 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1052 #else
1053 dupfd = dup(fd);
1054 if (dupfd != -1) {
1055 qemu_set_cloexec(dupfd);
1056 }
1057 #endif
1058 if (dupfd == -1) {
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1060 "Error duplicating fd: %s", strerror(errno));
1061 return -1;
1062 }
1063
1064 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1065 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1066 fd_opaque, NULL);
1067
1068 return 0;
1069 }
1070
1071 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1072 {
1073 int fd;
1074
1075 fd = qemu_opt_get_number(opts, "fd", -1);
1076 close(fd);
1077
1078 return 0;
1079 }
1080 #endif
1081
1082 /***********************************************************/
1083 /* QEMU Block devices */
1084
1085 #define HD_OPTS "media=disk"
1086 #define CDROM_OPTS "media=cdrom"
1087 #define FD_OPTS ""
1088 #define PFLASH_OPTS ""
1089 #define MTD_OPTS ""
1090 #define SD_OPTS ""
1091
1092 static int drive_init_func(QemuOpts *opts, void *opaque)
1093 {
1094 BlockInterfaceType *block_default_type = opaque;
1095
1096 return drive_new(opts, *block_default_type) == NULL;
1097 }
1098
1099 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1100 {
1101 if (qemu_opt_get(opts, "snapshot") == NULL) {
1102 qemu_opt_set(opts, "snapshot", "on");
1103 }
1104 return 0;
1105 }
1106
1107 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1108 int index, const char *optstr)
1109 {
1110 QemuOpts *opts;
1111 DriveInfo *dinfo;
1112
1113 if (!enable || drive_get_by_index(type, index)) {
1114 return;
1115 }
1116
1117 opts = drive_add(type, index, NULL, optstr);
1118 if (snapshot) {
1119 drive_enable_snapshot(opts, NULL);
1120 }
1121
1122 dinfo = drive_new(opts, type);
1123 if (!dinfo) {
1124 exit(1);
1125 }
1126 dinfo->is_default = true;
1127
1128 }
1129
1130 static QemuOptsList qemu_smp_opts = {
1131 .name = "smp-opts",
1132 .implied_opt_name = "cpus",
1133 .merge_lists = true,
1134 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1135 .desc = {
1136 {
1137 .name = "cpus",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "sockets",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "cores",
1144 .type = QEMU_OPT_NUMBER,
1145 }, {
1146 .name = "threads",
1147 .type = QEMU_OPT_NUMBER,
1148 }, {
1149 .name = "maxcpus",
1150 .type = QEMU_OPT_NUMBER,
1151 },
1152 { /*End of list */ }
1153 },
1154 };
1155
1156 static void smp_parse(QemuOpts *opts)
1157 {
1158 if (opts) {
1159
1160 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1161 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1162 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1163 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1164
1165 /* compute missing values, prefer sockets over cores over threads */
1166 if (cpus == 0 || sockets == 0) {
1167 sockets = sockets > 0 ? sockets : 1;
1168 cores = cores > 0 ? cores : 1;
1169 threads = threads > 0 ? threads : 1;
1170 if (cpus == 0) {
1171 cpus = cores * threads * sockets;
1172 }
1173 } else {
1174 if (cores == 0) {
1175 threads = threads > 0 ? threads : 1;
1176 cores = cpus / (sockets * threads);
1177 } else {
1178 threads = cpus / (cores * sockets);
1179 }
1180 }
1181
1182 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1183
1184 smp_cpus = cpus;
1185 smp_cores = cores > 0 ? cores : 1;
1186 smp_threads = threads > 0 ? threads : 1;
1187
1188 }
1189
1190 if (max_cpus == 0) {
1191 max_cpus = smp_cpus;
1192 }
1193
1194 if (max_cpus > MAX_CPUMASK_BITS) {
1195 fprintf(stderr, "Unsupported number of maxcpus\n");
1196 exit(1);
1197 }
1198 if (max_cpus < smp_cpus) {
1199 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1200 exit(1);
1201 }
1202
1203 }
1204
1205 static void realtime_init(void)
1206 {
1207 if (enable_mlock) {
1208 if (os_mlock() < 0) {
1209 fprintf(stderr, "qemu: locking memory failed\n");
1210 exit(1);
1211 }
1212 }
1213 }
1214
1215
1216 static void configure_msg(QemuOpts *opts)
1217 {
1218 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1219 }
1220
1221 /***********************************************************/
1222 /* USB devices */
1223
1224 static int usb_device_add(const char *devname)
1225 {
1226 USBDevice *dev = NULL;
1227 #ifndef CONFIG_LINUX
1228 const char *p;
1229 #endif
1230
1231 if (!usb_enabled()) {
1232 return -1;
1233 }
1234
1235 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1236 dev = usbdevice_create(devname);
1237 if (dev)
1238 goto done;
1239
1240 /* the other ones */
1241 #ifndef CONFIG_LINUX
1242 /* only the linux version is qdev-ified, usb-bsd still needs this */
1243 if (strstart(devname, "host:", &p)) {
1244 dev = usb_host_device_open(usb_bus_find(-1), p);
1245 }
1246 #endif
1247 if (!dev)
1248 return -1;
1249
1250 done:
1251 return 0;
1252 }
1253
1254 static int usb_device_del(const char *devname)
1255 {
1256 int bus_num, addr;
1257 const char *p;
1258
1259 if (strstart(devname, "host:", &p)) {
1260 return -1;
1261 }
1262
1263 if (!usb_enabled()) {
1264 return -1;
1265 }
1266
1267 p = strchr(devname, '.');
1268 if (!p)
1269 return -1;
1270 bus_num = strtoul(devname, NULL, 0);
1271 addr = strtoul(p + 1, NULL, 0);
1272
1273 return usb_device_delete_addr(bus_num, addr);
1274 }
1275
1276 static int usb_parse(const char *cmdline)
1277 {
1278 int r;
1279 r = usb_device_add(cmdline);
1280 if (r < 0) {
1281 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1282 }
1283 return r;
1284 }
1285
1286 void do_usb_add(Monitor *mon, const QDict *qdict)
1287 {
1288 const char *devname = qdict_get_str(qdict, "devname");
1289 if (usb_device_add(devname) < 0) {
1290 error_report("could not add USB device '%s'", devname);
1291 }
1292 }
1293
1294 void do_usb_del(Monitor *mon, const QDict *qdict)
1295 {
1296 const char *devname = qdict_get_str(qdict, "devname");
1297 if (usb_device_del(devname) < 0) {
1298 error_report("could not delete USB device '%s'", devname);
1299 }
1300 }
1301
1302 /***********************************************************/
1303 /* machine registration */
1304
1305 MachineState *current_machine;
1306
1307 static void machine_class_init(ObjectClass *oc, void *data)
1308 {
1309 MachineClass *mc = MACHINE_CLASS(oc);
1310 QEMUMachine *qm = data;
1311
1312 mc->family = qm->family;
1313 mc->name = qm->name;
1314 mc->alias = qm->alias;
1315 mc->desc = qm->desc;
1316 mc->init = qm->init;
1317 mc->reset = qm->reset;
1318 mc->hot_add_cpu = qm->hot_add_cpu;
1319 mc->kvm_type = qm->kvm_type;
1320 mc->block_default_type = qm->block_default_type;
1321 mc->units_per_default_bus = qm->units_per_default_bus;
1322 mc->max_cpus = qm->max_cpus;
1323 mc->no_serial = qm->no_serial;
1324 mc->no_parallel = qm->no_parallel;
1325 mc->use_virtcon = qm->use_virtcon;
1326 mc->use_sclp = qm->use_sclp;
1327 mc->no_floppy = qm->no_floppy;
1328 mc->no_cdrom = qm->no_cdrom;
1329 mc->no_sdcard = qm->no_sdcard;
1330 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1331 mc->is_default = qm->is_default;
1332 mc->default_machine_opts = qm->default_machine_opts;
1333 mc->default_boot_order = qm->default_boot_order;
1334 mc->default_display = qm->default_display;
1335 mc->compat_props = qm->compat_props;
1336 mc->hw_version = qm->hw_version;
1337 }
1338
1339 int qemu_register_machine(QEMUMachine *m)
1340 {
1341 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1342 TypeInfo ti = {
1343 .name = name,
1344 .parent = TYPE_MACHINE,
1345 .class_init = machine_class_init,
1346 .class_data = (void *)m,
1347 };
1348
1349 type_register(&ti);
1350 g_free(name);
1351
1352 return 0;
1353 }
1354
1355 static MachineClass *find_machine(const char *name)
1356 {
1357 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1358 MachineClass *mc = NULL;
1359
1360 for (el = machines; el; el = el->next) {
1361 MachineClass *temp = el->data;
1362
1363 if (!strcmp(temp->name, name)) {
1364 mc = temp;
1365 break;
1366 }
1367 if (temp->alias &&
1368 !strcmp(temp->alias, name)) {
1369 mc = temp;
1370 break;
1371 }
1372 }
1373
1374 g_slist_free(machines);
1375 return mc;
1376 }
1377
1378 MachineClass *find_default_machine(void)
1379 {
1380 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1381 MachineClass *mc = NULL;
1382
1383 for (el = machines; el; el = el->next) {
1384 MachineClass *temp = el->data;
1385
1386 if (temp->is_default) {
1387 mc = temp;
1388 break;
1389 }
1390 }
1391
1392 g_slist_free(machines);
1393 return mc;
1394 }
1395
1396 MachineInfoList *qmp_query_machines(Error **errp)
1397 {
1398 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1399 MachineInfoList *mach_list = NULL;
1400
1401 for (el = machines; el; el = el->next) {
1402 MachineClass *mc = el->data;
1403 MachineInfoList *entry;
1404 MachineInfo *info;
1405
1406 info = g_malloc0(sizeof(*info));
1407 if (mc->is_default) {
1408 info->has_is_default = true;
1409 info->is_default = true;
1410 }
1411
1412 if (mc->alias) {
1413 info->has_alias = true;
1414 info->alias = g_strdup(mc->alias);
1415 }
1416
1417 info->name = g_strdup(mc->name);
1418 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1419
1420 entry = g_malloc0(sizeof(*entry));
1421 entry->value = info;
1422 entry->next = mach_list;
1423 mach_list = entry;
1424 }
1425
1426 g_slist_free(machines);
1427 return mach_list;
1428 }
1429
1430 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1431 {
1432 ObjectProperty *prop;
1433
1434 if (!qemu_opt_has_help_opt(opts)) {
1435 return 0;
1436 }
1437
1438 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1439 if (!prop->set) {
1440 continue;
1441 }
1442
1443 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1444 prop->name, prop->type);
1445 if (prop->description) {
1446 error_printf(" (%s)\n", prop->description);
1447 } else {
1448 error_printf("\n");
1449 }
1450 }
1451
1452 return 1;
1453 }
1454
1455 /***********************************************************/
1456 /* main execution loop */
1457
1458 struct vm_change_state_entry {
1459 VMChangeStateHandler *cb;
1460 void *opaque;
1461 QLIST_ENTRY (vm_change_state_entry) entries;
1462 };
1463
1464 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1465
1466 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1467 void *opaque)
1468 {
1469 VMChangeStateEntry *e;
1470
1471 e = g_malloc0(sizeof (*e));
1472
1473 e->cb = cb;
1474 e->opaque = opaque;
1475 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1476 return e;
1477 }
1478
1479 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1480 {
1481 QLIST_REMOVE (e, entries);
1482 g_free (e);
1483 }
1484
1485 void vm_state_notify(int running, RunState state)
1486 {
1487 VMChangeStateEntry *e, *next;
1488
1489 trace_vm_state_notify(running, state);
1490
1491 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1492 e->cb(e->opaque, running, state);
1493 }
1494 }
1495
1496 /* reset/shutdown handler */
1497
1498 typedef struct QEMUResetEntry {
1499 QTAILQ_ENTRY(QEMUResetEntry) entry;
1500 QEMUResetHandler *func;
1501 void *opaque;
1502 } QEMUResetEntry;
1503
1504 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1505 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1506 static int reset_requested;
1507 static int shutdown_requested, shutdown_signal = -1;
1508 static pid_t shutdown_pid;
1509 static int powerdown_requested;
1510 static int debug_requested;
1511 static int suspend_requested;
1512 static WakeupReason wakeup_reason;
1513 static NotifierList powerdown_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1515 static NotifierList suspend_notifiers =
1516 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1517 static NotifierList wakeup_notifiers =
1518 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1519 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1520
1521 int qemu_shutdown_requested_get(void)
1522 {
1523 return shutdown_requested;
1524 }
1525
1526 int qemu_reset_requested_get(void)
1527 {
1528 return reset_requested;
1529 }
1530
1531 static int qemu_shutdown_requested(void)
1532 {
1533 return atomic_xchg(&shutdown_requested, 0);
1534 }
1535
1536 static void qemu_kill_report(void)
1537 {
1538 if (!qtest_driver() && shutdown_signal != -1) {
1539 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1540 if (shutdown_pid == 0) {
1541 /* This happens for eg ^C at the terminal, so it's worth
1542 * avoiding printing an odd message in that case.
1543 */
1544 fputc('\n', stderr);
1545 } else {
1546 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1547 }
1548 shutdown_signal = -1;
1549 }
1550 }
1551
1552 static int qemu_reset_requested(void)
1553 {
1554 int r = reset_requested;
1555 reset_requested = 0;
1556 return r;
1557 }
1558
1559 static int qemu_suspend_requested(void)
1560 {
1561 int r = suspend_requested;
1562 suspend_requested = 0;
1563 return r;
1564 }
1565
1566 static WakeupReason qemu_wakeup_requested(void)
1567 {
1568 return wakeup_reason;
1569 }
1570
1571 static int qemu_powerdown_requested(void)
1572 {
1573 int r = powerdown_requested;
1574 powerdown_requested = 0;
1575 return r;
1576 }
1577
1578 static int qemu_debug_requested(void)
1579 {
1580 int r = debug_requested;
1581 debug_requested = 0;
1582 return r;
1583 }
1584
1585 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1586 {
1587 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1588
1589 re->func = func;
1590 re->opaque = opaque;
1591 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1592 }
1593
1594 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1595 {
1596 QEMUResetEntry *re;
1597
1598 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1599 if (re->func == func && re->opaque == opaque) {
1600 QTAILQ_REMOVE(&reset_handlers, re, entry);
1601 g_free(re);
1602 return;
1603 }
1604 }
1605 }
1606
1607 void qemu_devices_reset(void)
1608 {
1609 QEMUResetEntry *re, *nre;
1610
1611 /* reset all devices */
1612 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1613 re->func(re->opaque);
1614 }
1615 }
1616
1617 void qemu_system_reset(bool report)
1618 {
1619 MachineClass *mc;
1620
1621 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1622
1623 if (mc && mc->reset) {
1624 mc->reset();
1625 } else {
1626 qemu_devices_reset();
1627 }
1628 if (report) {
1629 qapi_event_send_reset(&error_abort);
1630 }
1631 cpu_synchronize_all_post_reset();
1632 }
1633
1634 void qemu_system_reset_request(void)
1635 {
1636 if (no_reboot) {
1637 shutdown_requested = 1;
1638 } else {
1639 reset_requested = 1;
1640 }
1641 cpu_stop_current();
1642 qemu_notify_event();
1643 }
1644
1645 static void qemu_system_suspend(void)
1646 {
1647 pause_all_vcpus();
1648 notifier_list_notify(&suspend_notifiers, NULL);
1649 runstate_set(RUN_STATE_SUSPENDED);
1650 qapi_event_send_suspend(&error_abort);
1651 }
1652
1653 void qemu_system_suspend_request(void)
1654 {
1655 if (runstate_check(RUN_STATE_SUSPENDED)) {
1656 return;
1657 }
1658 suspend_requested = 1;
1659 cpu_stop_current();
1660 qemu_notify_event();
1661 }
1662
1663 void qemu_register_suspend_notifier(Notifier *notifier)
1664 {
1665 notifier_list_add(&suspend_notifiers, notifier);
1666 }
1667
1668 void qemu_system_wakeup_request(WakeupReason reason)
1669 {
1670 trace_system_wakeup_request(reason);
1671
1672 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1673 return;
1674 }
1675 if (!(wakeup_reason_mask & (1 << reason))) {
1676 return;
1677 }
1678 runstate_set(RUN_STATE_RUNNING);
1679 wakeup_reason = reason;
1680 qemu_notify_event();
1681 }
1682
1683 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1684 {
1685 if (enabled) {
1686 wakeup_reason_mask |= (1 << reason);
1687 } else {
1688 wakeup_reason_mask &= ~(1 << reason);
1689 }
1690 }
1691
1692 void qemu_register_wakeup_notifier(Notifier *notifier)
1693 {
1694 notifier_list_add(&wakeup_notifiers, notifier);
1695 }
1696
1697 void qemu_system_killed(int signal, pid_t pid)
1698 {
1699 shutdown_signal = signal;
1700 shutdown_pid = pid;
1701 no_shutdown = 0;
1702 qemu_system_shutdown_request();
1703 }
1704
1705 void qemu_system_shutdown_request(void)
1706 {
1707 trace_qemu_system_shutdown_request();
1708 shutdown_requested = 1;
1709 qemu_notify_event();
1710 }
1711
1712 static void qemu_system_powerdown(void)
1713 {
1714 qapi_event_send_powerdown(&error_abort);
1715 notifier_list_notify(&powerdown_notifiers, NULL);
1716 }
1717
1718 void qemu_system_powerdown_request(void)
1719 {
1720 trace_qemu_system_powerdown_request();
1721 powerdown_requested = 1;
1722 qemu_notify_event();
1723 }
1724
1725 void qemu_register_powerdown_notifier(Notifier *notifier)
1726 {
1727 notifier_list_add(&powerdown_notifiers, notifier);
1728 }
1729
1730 void qemu_system_debug_request(void)
1731 {
1732 debug_requested = 1;
1733 qemu_notify_event();
1734 }
1735
1736 static bool main_loop_should_exit(void)
1737 {
1738 RunState r;
1739 if (qemu_debug_requested()) {
1740 vm_stop(RUN_STATE_DEBUG);
1741 }
1742 if (qemu_suspend_requested()) {
1743 qemu_system_suspend();
1744 }
1745 if (qemu_shutdown_requested()) {
1746 qemu_kill_report();
1747 qapi_event_send_shutdown(&error_abort);
1748 if (no_shutdown) {
1749 vm_stop(RUN_STATE_SHUTDOWN);
1750 } else {
1751 return true;
1752 }
1753 }
1754 if (qemu_reset_requested()) {
1755 pause_all_vcpus();
1756 cpu_synchronize_all_states();
1757 qemu_system_reset(VMRESET_REPORT);
1758 resume_all_vcpus();
1759 if (runstate_needs_reset()) {
1760 runstate_set(RUN_STATE_PAUSED);
1761 }
1762 }
1763 if (qemu_wakeup_requested()) {
1764 pause_all_vcpus();
1765 cpu_synchronize_all_states();
1766 qemu_system_reset(VMRESET_SILENT);
1767 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1768 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1769 resume_all_vcpus();
1770 qapi_event_send_wakeup(&error_abort);
1771 }
1772 if (qemu_powerdown_requested()) {
1773 qemu_system_powerdown();
1774 }
1775 if (qemu_vmstop_requested(&r)) {
1776 vm_stop(r);
1777 }
1778 return false;
1779 }
1780
1781 static void main_loop(void)
1782 {
1783 bool nonblocking;
1784 int last_io = 0;
1785 #ifdef CONFIG_PROFILER
1786 int64_t ti;
1787 #endif
1788 do {
1789 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1790 #ifdef CONFIG_PROFILER
1791 ti = profile_getclock();
1792 #endif
1793 last_io = main_loop_wait(nonblocking);
1794 #ifdef CONFIG_PROFILER
1795 dev_time += profile_getclock() - ti;
1796 #endif
1797 } while (!main_loop_should_exit());
1798 }
1799
1800 static void version(void)
1801 {
1802 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1803 }
1804
1805 static void help(int exitcode)
1806 {
1807 version();
1808 printf("usage: %s [options] [disk_image]\n\n"
1809 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1810 error_get_progname());
1811
1812 #define QEMU_OPTIONS_GENERATE_HELP
1813 #include "qemu-options-wrapper.h"
1814
1815 printf("\nDuring emulation, the following keys are useful:\n"
1816 "ctrl-alt-f toggle full screen\n"
1817 "ctrl-alt-n switch to virtual console 'n'\n"
1818 "ctrl-alt toggle mouse and keyboard grab\n"
1819 "\n"
1820 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1821
1822 exit(exitcode);
1823 }
1824
1825 #define HAS_ARG 0x0001
1826
1827 typedef struct QEMUOption {
1828 const char *name;
1829 int flags;
1830 int index;
1831 uint32_t arch_mask;
1832 } QEMUOption;
1833
1834 static const QEMUOption qemu_options[] = {
1835 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1836 #define QEMU_OPTIONS_GENERATE_OPTIONS
1837 #include "qemu-options-wrapper.h"
1838 { NULL },
1839 };
1840
1841 static bool vga_available(void)
1842 {
1843 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1844 }
1845
1846 static bool cirrus_vga_available(void)
1847 {
1848 return object_class_by_name("cirrus-vga")
1849 || object_class_by_name("isa-cirrus-vga");
1850 }
1851
1852 static bool vmware_vga_available(void)
1853 {
1854 return object_class_by_name("vmware-svga");
1855 }
1856
1857 static bool qxl_vga_available(void)
1858 {
1859 return object_class_by_name("qxl-vga");
1860 }
1861
1862 static bool tcx_vga_available(void)
1863 {
1864 return object_class_by_name("SUNW,tcx");
1865 }
1866
1867 static bool cg3_vga_available(void)
1868 {
1869 return object_class_by_name("cgthree");
1870 }
1871
1872 static void select_vgahw (const char *p)
1873 {
1874 const char *opts;
1875
1876 assert(vga_interface_type == VGA_NONE);
1877 if (strstart(p, "std", &opts)) {
1878 if (vga_available()) {
1879 vga_interface_type = VGA_STD;
1880 } else {
1881 fprintf(stderr, "Error: standard VGA not available\n");
1882 exit(0);
1883 }
1884 } else if (strstart(p, "cirrus", &opts)) {
1885 if (cirrus_vga_available()) {
1886 vga_interface_type = VGA_CIRRUS;
1887 } else {
1888 fprintf(stderr, "Error: Cirrus VGA not available\n");
1889 exit(0);
1890 }
1891 } else if (strstart(p, "vmware", &opts)) {
1892 if (vmware_vga_available()) {
1893 vga_interface_type = VGA_VMWARE;
1894 } else {
1895 fprintf(stderr, "Error: VMWare SVGA not available\n");
1896 exit(0);
1897 }
1898 } else if (strstart(p, "xenfb", &opts)) {
1899 vga_interface_type = VGA_XENFB;
1900 } else if (strstart(p, "qxl", &opts)) {
1901 if (qxl_vga_available()) {
1902 vga_interface_type = VGA_QXL;
1903 } else {
1904 fprintf(stderr, "Error: QXL VGA not available\n");
1905 exit(0);
1906 }
1907 } else if (strstart(p, "tcx", &opts)) {
1908 if (tcx_vga_available()) {
1909 vga_interface_type = VGA_TCX;
1910 } else {
1911 fprintf(stderr, "Error: TCX framebuffer not available\n");
1912 exit(0);
1913 }
1914 } else if (strstart(p, "cg3", &opts)) {
1915 if (cg3_vga_available()) {
1916 vga_interface_type = VGA_CG3;
1917 } else {
1918 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1919 exit(0);
1920 }
1921 } else if (!strstart(p, "none", &opts)) {
1922 invalid_vga:
1923 fprintf(stderr, "Unknown vga type: %s\n", p);
1924 exit(1);
1925 }
1926 while (*opts) {
1927 const char *nextopt;
1928
1929 if (strstart(opts, ",retrace=", &nextopt)) {
1930 opts = nextopt;
1931 if (strstart(opts, "dumb", &nextopt))
1932 vga_retrace_method = VGA_RETRACE_DUMB;
1933 else if (strstart(opts, "precise", &nextopt))
1934 vga_retrace_method = VGA_RETRACE_PRECISE;
1935 else goto invalid_vga;
1936 } else goto invalid_vga;
1937 opts = nextopt;
1938 }
1939 }
1940
1941 static DisplayType select_display(const char *p)
1942 {
1943 const char *opts;
1944 DisplayType display = DT_DEFAULT;
1945
1946 if (strstart(p, "sdl", &opts)) {
1947 #ifdef CONFIG_SDL
1948 display = DT_SDL;
1949 while (*opts) {
1950 const char *nextopt;
1951
1952 if (strstart(opts, ",frame=", &nextopt)) {
1953 opts = nextopt;
1954 if (strstart(opts, "on", &nextopt)) {
1955 no_frame = 0;
1956 } else if (strstart(opts, "off", &nextopt)) {
1957 no_frame = 1;
1958 } else {
1959 goto invalid_sdl_args;
1960 }
1961 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1962 opts = nextopt;
1963 if (strstart(opts, "on", &nextopt)) {
1964 alt_grab = 1;
1965 } else if (strstart(opts, "off", &nextopt)) {
1966 alt_grab = 0;
1967 } else {
1968 goto invalid_sdl_args;
1969 }
1970 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1971 opts = nextopt;
1972 if (strstart(opts, "on", &nextopt)) {
1973 ctrl_grab = 1;
1974 } else if (strstart(opts, "off", &nextopt)) {
1975 ctrl_grab = 0;
1976 } else {
1977 goto invalid_sdl_args;
1978 }
1979 } else if (strstart(opts, ",window_close=", &nextopt)) {
1980 opts = nextopt;
1981 if (strstart(opts, "on", &nextopt)) {
1982 no_quit = 0;
1983 } else if (strstart(opts, "off", &nextopt)) {
1984 no_quit = 1;
1985 } else {
1986 goto invalid_sdl_args;
1987 }
1988 } else {
1989 invalid_sdl_args:
1990 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1991 exit(1);
1992 }
1993 opts = nextopt;
1994 }
1995 #else
1996 fprintf(stderr, "SDL support is disabled\n");
1997 exit(1);
1998 #endif
1999 } else if (strstart(p, "vnc", &opts)) {
2000 #ifdef CONFIG_VNC
2001 display_remote++;
2002
2003 if (*opts) {
2004 const char *nextopt;
2005
2006 if (strstart(opts, "=", &nextopt)) {
2007 vnc_display = nextopt;
2008 }
2009 }
2010 if (!vnc_display) {
2011 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2012 exit(1);
2013 }
2014 #else
2015 fprintf(stderr, "VNC support is disabled\n");
2016 exit(1);
2017 #endif
2018 } else if (strstart(p, "curses", &opts)) {
2019 #ifdef CONFIG_CURSES
2020 display = DT_CURSES;
2021 #else
2022 fprintf(stderr, "Curses support is disabled\n");
2023 exit(1);
2024 #endif
2025 } else if (strstart(p, "gtk", &opts)) {
2026 #ifdef CONFIG_GTK
2027 display = DT_GTK;
2028 while (*opts) {
2029 const char *nextopt;
2030
2031 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2032 opts = nextopt;
2033 if (strstart(opts, "on", &nextopt)) {
2034 grab_on_hover = true;
2035 } else if (strstart(opts, "off", &nextopt)) {
2036 grab_on_hover = false;
2037 } else {
2038 goto invalid_gtk_args;
2039 }
2040 } else {
2041 invalid_gtk_args:
2042 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2043 exit(1);
2044 }
2045 opts = nextopt;
2046 }
2047 #else
2048 fprintf(stderr, "GTK support is disabled\n");
2049 exit(1);
2050 #endif
2051 } else if (strstart(p, "none", &opts)) {
2052 display = DT_NONE;
2053 } else {
2054 fprintf(stderr, "Unknown display type: %s\n", p);
2055 exit(1);
2056 }
2057
2058 return display;
2059 }
2060
2061 static int balloon_parse(const char *arg)
2062 {
2063 QemuOpts *opts;
2064
2065 if (strcmp(arg, "none") == 0) {
2066 return 0;
2067 }
2068
2069 if (!strncmp(arg, "virtio", 6)) {
2070 if (arg[6] == ',') {
2071 /* have params -> parse them */
2072 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2073 if (!opts)
2074 return -1;
2075 } else {
2076 /* create empty opts */
2077 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2078 &error_abort);
2079 }
2080 qemu_opt_set(opts, "driver", "virtio-balloon");
2081 return 0;
2082 }
2083
2084 return -1;
2085 }
2086
2087 char *qemu_find_file(int type, const char *name)
2088 {
2089 int i;
2090 const char *subdir;
2091 char *buf;
2092
2093 /* Try the name as a straight path first */
2094 if (access(name, R_OK) == 0) {
2095 trace_load_file(name, name);
2096 return g_strdup(name);
2097 }
2098
2099 switch (type) {
2100 case QEMU_FILE_TYPE_BIOS:
2101 subdir = "";
2102 break;
2103 case QEMU_FILE_TYPE_KEYMAP:
2104 subdir = "keymaps/";
2105 break;
2106 default:
2107 abort();
2108 }
2109
2110 for (i = 0; i < data_dir_idx; i++) {
2111 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2112 if (access(buf, R_OK) == 0) {
2113 trace_load_file(name, buf);
2114 return buf;
2115 }
2116 g_free(buf);
2117 }
2118 return NULL;
2119 }
2120
2121 static int device_help_func(QemuOpts *opts, void *opaque)
2122 {
2123 return qdev_device_help(opts);
2124 }
2125
2126 static int device_init_func(QemuOpts *opts, void *opaque)
2127 {
2128 DeviceState *dev;
2129
2130 dev = qdev_device_add(opts);
2131 if (!dev)
2132 return -1;
2133 object_unref(OBJECT(dev));
2134 return 0;
2135 }
2136
2137 static int chardev_init_func(QemuOpts *opts, void *opaque)
2138 {
2139 Error *local_err = NULL;
2140
2141 qemu_chr_new_from_opts(opts, NULL, &local_err);
2142 if (local_err) {
2143 error_report("%s", error_get_pretty(local_err));
2144 error_free(local_err);
2145 return -1;
2146 }
2147 return 0;
2148 }
2149
2150 #ifdef CONFIG_VIRTFS
2151 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2152 {
2153 int ret;
2154 ret = qemu_fsdev_add(opts);
2155
2156 return ret;
2157 }
2158 #endif
2159
2160 static int mon_init_func(QemuOpts *opts, void *opaque)
2161 {
2162 CharDriverState *chr;
2163 const char *chardev;
2164 const char *mode;
2165 int flags;
2166
2167 mode = qemu_opt_get(opts, "mode");
2168 if (mode == NULL) {
2169 mode = "readline";
2170 }
2171 if (strcmp(mode, "readline") == 0) {
2172 flags = MONITOR_USE_READLINE;
2173 } else if (strcmp(mode, "control") == 0) {
2174 flags = MONITOR_USE_CONTROL;
2175 } else {
2176 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2177 exit(1);
2178 }
2179
2180 if (qemu_opt_get_bool(opts, "pretty", 0))
2181 flags |= MONITOR_USE_PRETTY;
2182
2183 if (qemu_opt_get_bool(opts, "default", 0))
2184 flags |= MONITOR_IS_DEFAULT;
2185
2186 chardev = qemu_opt_get(opts, "chardev");
2187 chr = qemu_chr_find(chardev);
2188 if (chr == NULL) {
2189 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2190 exit(1);
2191 }
2192
2193 qemu_chr_fe_claim_no_fail(chr);
2194 monitor_init(chr, flags);
2195 return 0;
2196 }
2197
2198 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2199 {
2200 static int monitor_device_index = 0;
2201 QemuOpts *opts;
2202 const char *p;
2203 char label[32];
2204 int def = 0;
2205
2206 if (strstart(optarg, "chardev:", &p)) {
2207 snprintf(label, sizeof(label), "%s", p);
2208 } else {
2209 snprintf(label, sizeof(label), "compat_monitor%d",
2210 monitor_device_index);
2211 if (monitor_device_index == 0) {
2212 def = 1;
2213 }
2214 opts = qemu_chr_parse_compat(label, optarg);
2215 if (!opts) {
2216 fprintf(stderr, "parse error: %s\n", optarg);
2217 exit(1);
2218 }
2219 }
2220
2221 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2222 if (!opts) {
2223 fprintf(stderr, "duplicate chardev: %s\n", label);
2224 exit(1);
2225 }
2226 qemu_opt_set(opts, "mode", mode);
2227 qemu_opt_set(opts, "chardev", label);
2228 qemu_opt_set_bool(opts, "pretty", pretty);
2229 if (def)
2230 qemu_opt_set(opts, "default", "on");
2231 monitor_device_index++;
2232 }
2233
2234 struct device_config {
2235 enum {
2236 DEV_USB, /* -usbdevice */
2237 DEV_BT, /* -bt */
2238 DEV_SERIAL, /* -serial */
2239 DEV_PARALLEL, /* -parallel */
2240 DEV_VIRTCON, /* -virtioconsole */
2241 DEV_DEBUGCON, /* -debugcon */
2242 DEV_GDB, /* -gdb, -s */
2243 DEV_SCLP, /* s390 sclp */
2244 } type;
2245 const char *cmdline;
2246 Location loc;
2247 QTAILQ_ENTRY(device_config) next;
2248 };
2249
2250 static QTAILQ_HEAD(, device_config) device_configs =
2251 QTAILQ_HEAD_INITIALIZER(device_configs);
2252
2253 static void add_device_config(int type, const char *cmdline)
2254 {
2255 struct device_config *conf;
2256
2257 conf = g_malloc0(sizeof(*conf));
2258 conf->type = type;
2259 conf->cmdline = cmdline;
2260 loc_save(&conf->loc);
2261 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2262 }
2263
2264 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2265 {
2266 struct device_config *conf;
2267 int rc;
2268
2269 QTAILQ_FOREACH(conf, &device_configs, next) {
2270 if (conf->type != type)
2271 continue;
2272 loc_push_restore(&conf->loc);
2273 rc = func(conf->cmdline);
2274 loc_pop(&conf->loc);
2275 if (rc) {
2276 return rc;
2277 }
2278 }
2279 return 0;
2280 }
2281
2282 static int serial_parse(const char *devname)
2283 {
2284 static int index = 0;
2285 char label[32];
2286
2287 if (strcmp(devname, "none") == 0)
2288 return 0;
2289 if (index == MAX_SERIAL_PORTS) {
2290 fprintf(stderr, "qemu: too many serial ports\n");
2291 exit(1);
2292 }
2293 snprintf(label, sizeof(label), "serial%d", index);
2294 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2295 if (!serial_hds[index]) {
2296 fprintf(stderr, "qemu: could not connect serial device"
2297 " to character backend '%s'\n", devname);
2298 return -1;
2299 }
2300 index++;
2301 return 0;
2302 }
2303
2304 static int parallel_parse(const char *devname)
2305 {
2306 static int index = 0;
2307 char label[32];
2308
2309 if (strcmp(devname, "none") == 0)
2310 return 0;
2311 if (index == MAX_PARALLEL_PORTS) {
2312 fprintf(stderr, "qemu: too many parallel ports\n");
2313 exit(1);
2314 }
2315 snprintf(label, sizeof(label), "parallel%d", index);
2316 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2317 if (!parallel_hds[index]) {
2318 fprintf(stderr, "qemu: could not connect parallel device"
2319 " to character backend '%s'\n", devname);
2320 return -1;
2321 }
2322 index++;
2323 return 0;
2324 }
2325
2326 static int virtcon_parse(const char *devname)
2327 {
2328 QemuOptsList *device = qemu_find_opts("device");
2329 static int index = 0;
2330 char label[32];
2331 QemuOpts *bus_opts, *dev_opts;
2332
2333 if (strcmp(devname, "none") == 0)
2334 return 0;
2335 if (index == MAX_VIRTIO_CONSOLES) {
2336 fprintf(stderr, "qemu: too many virtio consoles\n");
2337 exit(1);
2338 }
2339
2340 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2341 if (arch_type == QEMU_ARCH_S390X) {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2343 } else {
2344 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2345 }
2346
2347 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2348 qemu_opt_set(dev_opts, "driver", "virtconsole");
2349
2350 snprintf(label, sizeof(label), "virtcon%d", index);
2351 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2352 if (!virtcon_hds[index]) {
2353 fprintf(stderr, "qemu: could not connect virtio console"
2354 " to character backend '%s'\n", devname);
2355 return -1;
2356 }
2357 qemu_opt_set(dev_opts, "chardev", label);
2358
2359 index++;
2360 return 0;
2361 }
2362
2363 static int sclp_parse(const char *devname)
2364 {
2365 QemuOptsList *device = qemu_find_opts("device");
2366 static int index = 0;
2367 char label[32];
2368 QemuOpts *dev_opts;
2369
2370 if (strcmp(devname, "none") == 0) {
2371 return 0;
2372 }
2373 if (index == MAX_SCLP_CONSOLES) {
2374 fprintf(stderr, "qemu: too many sclp consoles\n");
2375 exit(1);
2376 }
2377
2378 assert(arch_type == QEMU_ARCH_S390X);
2379
2380 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2381 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2382
2383 snprintf(label, sizeof(label), "sclpcon%d", index);
2384 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2385 if (!sclp_hds[index]) {
2386 fprintf(stderr, "qemu: could not connect sclp console"
2387 " to character backend '%s'\n", devname);
2388 return -1;
2389 }
2390 qemu_opt_set(dev_opts, "chardev", label);
2391
2392 index++;
2393 return 0;
2394 }
2395
2396 static int debugcon_parse(const char *devname)
2397 {
2398 QemuOpts *opts;
2399
2400 if (!qemu_chr_new("debugcon", devname, NULL)) {
2401 exit(1);
2402 }
2403 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2404 if (!opts) {
2405 fprintf(stderr, "qemu: already have a debugcon device\n");
2406 exit(1);
2407 }
2408 qemu_opt_set(opts, "driver", "isa-debugcon");
2409 qemu_opt_set(opts, "chardev", "debugcon");
2410 return 0;
2411 }
2412
2413 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2414 {
2415 const MachineClass *mc1 = a, *mc2 = b;
2416 int res;
2417
2418 if (mc1->family == NULL) {
2419 if (mc2->family == NULL) {
2420 /* Compare standalone machine types against each other; they sort
2421 * in increasing order.
2422 */
2423 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2424 object_class_get_name(OBJECT_CLASS(mc2)));
2425 }
2426
2427 /* Standalone machine types sort after families. */
2428 return 1;
2429 }
2430
2431 if (mc2->family == NULL) {
2432 /* Families sort before standalone machine types. */
2433 return -1;
2434 }
2435
2436 /* Families sort between each other alphabetically increasingly. */
2437 res = strcmp(mc1->family, mc2->family);
2438 if (res != 0) {
2439 return res;
2440 }
2441
2442 /* Within the same family, machine types sort in decreasing order. */
2443 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2444 object_class_get_name(OBJECT_CLASS(mc1)));
2445 }
2446
2447 static MachineClass *machine_parse(const char *name)
2448 {
2449 MachineClass *mc = NULL;
2450 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2451
2452 if (name) {
2453 mc = find_machine(name);
2454 }
2455 if (mc) {
2456 return mc;
2457 }
2458 if (name && !is_help_option(name)) {
2459 error_report("Unsupported machine type");
2460 error_printf("Use -machine help to list supported machines!\n");
2461 } else {
2462 printf("Supported machines are:\n");
2463 machines = g_slist_sort(machines, machine_class_cmp);
2464 for (el = machines; el; el = el->next) {
2465 MachineClass *mc = el->data;
2466 if (mc->alias) {
2467 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2468 }
2469 printf("%-20s %s%s\n", mc->name, mc->desc,
2470 mc->is_default ? " (default)" : "");
2471 }
2472 }
2473
2474 g_slist_free(machines);
2475 exit(!name || !is_help_option(name));
2476 }
2477
2478 void qemu_add_exit_notifier(Notifier *notify)
2479 {
2480 notifier_list_add(&exit_notifiers, notify);
2481 }
2482
2483 void qemu_remove_exit_notifier(Notifier *notify)
2484 {
2485 notifier_remove(notify);
2486 }
2487
2488 static void qemu_run_exit_notifiers(void)
2489 {
2490 notifier_list_notify(&exit_notifiers, NULL);
2491 }
2492
2493 void qemu_add_machine_init_done_notifier(Notifier *notify)
2494 {
2495 notifier_list_add(&machine_init_done_notifiers, notify);
2496 }
2497
2498 static void qemu_run_machine_init_done_notifiers(void)
2499 {
2500 notifier_list_notify(&machine_init_done_notifiers, NULL);
2501 }
2502
2503 static const QEMUOption *lookup_opt(int argc, char **argv,
2504 const char **poptarg, int *poptind)
2505 {
2506 const QEMUOption *popt;
2507 int optind = *poptind;
2508 char *r = argv[optind];
2509 const char *optarg;
2510
2511 loc_set_cmdline(argv, optind, 1);
2512 optind++;
2513 /* Treat --foo the same as -foo. */
2514 if (r[1] == '-')
2515 r++;
2516 popt = qemu_options;
2517 for(;;) {
2518 if (!popt->name) {
2519 error_report("invalid option");
2520 exit(1);
2521 }
2522 if (!strcmp(popt->name, r + 1))
2523 break;
2524 popt++;
2525 }
2526 if (popt->flags & HAS_ARG) {
2527 if (optind >= argc) {
2528 error_report("requires an argument");
2529 exit(1);
2530 }
2531 optarg = argv[optind++];
2532 loc_set_cmdline(argv, optind - 2, 2);
2533 } else {
2534 optarg = NULL;
2535 }
2536
2537 *poptarg = optarg;
2538 *poptind = optind;
2539
2540 return popt;
2541 }
2542
2543 static gpointer malloc_and_trace(gsize n_bytes)
2544 {
2545 void *ptr = malloc(n_bytes);
2546 trace_g_malloc(n_bytes, ptr);
2547 return ptr;
2548 }
2549
2550 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2551 {
2552 void *ptr = realloc(mem, n_bytes);
2553 trace_g_realloc(mem, n_bytes, ptr);
2554 return ptr;
2555 }
2556
2557 static void free_and_trace(gpointer mem)
2558 {
2559 trace_g_free(mem);
2560 free(mem);
2561 }
2562
2563 static int machine_set_property(const char *name, const char *value,
2564 void *opaque)
2565 {
2566 Object *obj = OBJECT(opaque);
2567 Error *local_err = NULL;
2568 char *c, *qom_name;
2569
2570 if (strcmp(name, "type") == 0) {
2571 return 0;
2572 }
2573
2574 qom_name = g_strdup(name);
2575 c = qom_name;
2576 while (*c++) {
2577 if (*c == '_') {
2578 *c = '-';
2579 }
2580 }
2581
2582 object_property_parse(obj, value, qom_name, &local_err);
2583 g_free(qom_name);
2584
2585 if (local_err) {
2586 qerror_report_err(local_err);
2587 error_free(local_err);
2588 return -1;
2589 }
2590
2591 return 0;
2592 }
2593
2594 static int object_create(QemuOpts *opts, void *opaque)
2595 {
2596 Error *err = NULL;
2597 char *type = NULL;
2598 char *id = NULL;
2599 void *dummy = NULL;
2600 OptsVisitor *ov;
2601 QDict *pdict;
2602
2603 ov = opts_visitor_new(opts);
2604 pdict = qemu_opts_to_qdict(opts, NULL);
2605
2606 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2607 if (err) {
2608 goto out;
2609 }
2610
2611 qdict_del(pdict, "qom-type");
2612 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2613 if (err) {
2614 goto out;
2615 }
2616
2617 qdict_del(pdict, "id");
2618 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2619 if (err) {
2620 goto out;
2621 }
2622
2623 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2624 if (err) {
2625 goto out;
2626 }
2627 visit_end_struct(opts_get_visitor(ov), &err);
2628 if (err) {
2629 qmp_object_del(id, NULL);
2630 }
2631
2632 out:
2633 opts_visitor_cleanup(ov);
2634
2635 QDECREF(pdict);
2636 g_free(id);
2637 g_free(type);
2638 g_free(dummy);
2639 if (err) {
2640 qerror_report_err(err);
2641 error_free(err);
2642 return -1;
2643 }
2644 return 0;
2645 }
2646
2647 int main(int argc, char **argv, char **envp)
2648 {
2649 int i;
2650 int snapshot, linux_boot;
2651 const char *initrd_filename;
2652 const char *kernel_filename, *kernel_cmdline;
2653 const char *boot_order;
2654 DisplayState *ds;
2655 int cyls, heads, secs, translation;
2656 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2657 QemuOptsList *olist;
2658 int optind;
2659 const char *optarg;
2660 const char *loadvm = NULL;
2661 MachineClass *machine_class;
2662 const char *cpu_model;
2663 const char *vga_model = NULL;
2664 const char *qtest_chrdev = NULL;
2665 const char *qtest_log = NULL;
2666 const char *pid_file = NULL;
2667 const char *incoming = NULL;
2668 #ifdef CONFIG_VNC
2669 int show_vnc_port = 0;
2670 #endif
2671 bool defconfig = true;
2672 bool userconfig = true;
2673 const char *log_mask = NULL;
2674 const char *log_file = NULL;
2675 GMemVTable mem_trace = {
2676 .malloc = malloc_and_trace,
2677 .realloc = realloc_and_trace,
2678 .free = free_and_trace,
2679 };
2680 const char *trace_events = NULL;
2681 const char *trace_file = NULL;
2682 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2683 1024 * 1024;
2684 ram_addr_t maxram_size = default_ram_size;
2685 uint64_t ram_slots = 0;
2686 FILE *vmstate_dump_file = NULL;
2687 Error *main_loop_err = NULL;
2688
2689 atexit(qemu_run_exit_notifiers);
2690 error_set_progname(argv[0]);
2691 qemu_init_exec_dir(argv[0]);
2692
2693 g_mem_set_vtable(&mem_trace);
2694
2695 module_call_init(MODULE_INIT_QOM);
2696
2697 qemu_add_opts(&qemu_drive_opts);
2698 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2699 qemu_add_drive_opts(&qemu_common_drive_opts);
2700 qemu_add_drive_opts(&qemu_drive_opts);
2701 qemu_add_opts(&qemu_chardev_opts);
2702 qemu_add_opts(&qemu_device_opts);
2703 qemu_add_opts(&qemu_netdev_opts);
2704 qemu_add_opts(&qemu_net_opts);
2705 qemu_add_opts(&qemu_rtc_opts);
2706 qemu_add_opts(&qemu_global_opts);
2707 qemu_add_opts(&qemu_mon_opts);
2708 qemu_add_opts(&qemu_trace_opts);
2709 qemu_add_opts(&qemu_option_rom_opts);
2710 qemu_add_opts(&qemu_machine_opts);
2711 qemu_add_opts(&qemu_mem_opts);
2712 qemu_add_opts(&qemu_smp_opts);
2713 qemu_add_opts(&qemu_boot_opts);
2714 qemu_add_opts(&qemu_sandbox_opts);
2715 qemu_add_opts(&qemu_add_fd_opts);
2716 qemu_add_opts(&qemu_object_opts);
2717 qemu_add_opts(&qemu_tpmdev_opts);
2718 qemu_add_opts(&qemu_realtime_opts);
2719 qemu_add_opts(&qemu_msg_opts);
2720 qemu_add_opts(&qemu_name_opts);
2721 qemu_add_opts(&qemu_numa_opts);
2722 qemu_add_opts(&qemu_icount_opts);
2723 qemu_add_opts(&qemu_semihosting_config_opts);
2724
2725 runstate_init();
2726
2727 rtc_clock = QEMU_CLOCK_HOST;
2728
2729 QLIST_INIT (&vm_change_state_head);
2730 os_setup_early_signal_handling();
2731
2732 module_call_init(MODULE_INIT_MACHINE);
2733 machine_class = find_default_machine();
2734 cpu_model = NULL;
2735 ram_size = default_ram_size;
2736 snapshot = 0;
2737 cyls = heads = secs = 0;
2738 translation = BIOS_ATA_TRANSLATION_AUTO;
2739
2740 for (i = 0; i < MAX_NODES; i++) {
2741 numa_info[i].node_mem = 0;
2742 numa_info[i].present = false;
2743 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2744 }
2745
2746 nb_numa_nodes = 0;
2747 max_numa_nodeid = 0;
2748 nb_nics = 0;
2749
2750 bdrv_init_with_whitelist();
2751
2752 autostart = 1;
2753
2754 /* first pass of option parsing */
2755 optind = 1;
2756 while (optind < argc) {
2757 if (argv[optind][0] != '-') {
2758 /* disk image */
2759 optind++;
2760 } else {
2761 const QEMUOption *popt;
2762
2763 popt = lookup_opt(argc, argv, &optarg, &optind);
2764 switch (popt->index) {
2765 case QEMU_OPTION_nodefconfig:
2766 defconfig = false;
2767 break;
2768 case QEMU_OPTION_nouserconfig:
2769 userconfig = false;
2770 break;
2771 }
2772 }
2773 }
2774
2775 if (defconfig) {
2776 int ret;
2777 ret = qemu_read_default_config_files(userconfig);
2778 if (ret < 0) {
2779 exit(1);
2780 }
2781 }
2782
2783 /* second pass of option parsing */
2784 optind = 1;
2785 for(;;) {
2786 if (optind >= argc)
2787 break;
2788 if (argv[optind][0] != '-') {
2789 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2790 } else {
2791 const QEMUOption *popt;
2792
2793 popt = lookup_opt(argc, argv, &optarg, &optind);
2794 if (!(popt->arch_mask & arch_type)) {
2795 printf("Option %s not supported for this target\n", popt->name);
2796 exit(1);
2797 }
2798 switch(popt->index) {
2799 case QEMU_OPTION_M:
2800 machine_class = machine_parse(optarg);
2801 break;
2802 case QEMU_OPTION_no_kvm_irqchip: {
2803 olist = qemu_find_opts("machine");
2804 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2805 break;
2806 }
2807 case QEMU_OPTION_cpu:
2808 /* hw initialization will check this */
2809 cpu_model = optarg;
2810 break;
2811 case QEMU_OPTION_hda:
2812 {
2813 char buf[256];
2814 if (cyls == 0)
2815 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2816 else
2817 snprintf(buf, sizeof(buf),
2818 "%s,cyls=%d,heads=%d,secs=%d%s",
2819 HD_OPTS , cyls, heads, secs,
2820 translation == BIOS_ATA_TRANSLATION_LBA ?
2821 ",trans=lba" :
2822 translation == BIOS_ATA_TRANSLATION_NONE ?
2823 ",trans=none" : "");
2824 drive_add(IF_DEFAULT, 0, optarg, buf);
2825 break;
2826 }
2827 case QEMU_OPTION_hdb:
2828 case QEMU_OPTION_hdc:
2829 case QEMU_OPTION_hdd:
2830 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2831 HD_OPTS);
2832 break;
2833 case QEMU_OPTION_drive:
2834 if (drive_def(optarg) == NULL) {
2835 exit(1);
2836 }
2837 break;
2838 case QEMU_OPTION_set:
2839 if (qemu_set_option(optarg) != 0)
2840 exit(1);
2841 break;
2842 case QEMU_OPTION_global:
2843 if (qemu_global_option(optarg) != 0)
2844 exit(1);
2845 break;
2846 case QEMU_OPTION_mtdblock:
2847 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2848 break;
2849 case QEMU_OPTION_sd:
2850 drive_add(IF_SD, -1, optarg, SD_OPTS);
2851 break;
2852 case QEMU_OPTION_pflash:
2853 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2854 break;
2855 case QEMU_OPTION_snapshot:
2856 snapshot = 1;
2857 break;
2858 case QEMU_OPTION_hdachs:
2859 {
2860 const char *p;
2861 p = optarg;
2862 cyls = strtol(p, (char **)&p, 0);
2863 if (cyls < 1 || cyls > 16383)
2864 goto chs_fail;
2865 if (*p != ',')
2866 goto chs_fail;
2867 p++;
2868 heads = strtol(p, (char **)&p, 0);
2869 if (heads < 1 || heads > 16)
2870 goto chs_fail;
2871 if (*p != ',')
2872 goto chs_fail;
2873 p++;
2874 secs = strtol(p, (char **)&p, 0);
2875 if (secs < 1 || secs > 63)
2876 goto chs_fail;
2877 if (*p == ',') {
2878 p++;
2879 if (!strcmp(p, "large")) {
2880 translation = BIOS_ATA_TRANSLATION_LARGE;
2881 } else if (!strcmp(p, "rechs")) {
2882 translation = BIOS_ATA_TRANSLATION_RECHS;
2883 } else if (!strcmp(p, "none")) {
2884 translation = BIOS_ATA_TRANSLATION_NONE;
2885 } else if (!strcmp(p, "lba")) {
2886 translation = BIOS_ATA_TRANSLATION_LBA;
2887 } else if (!strcmp(p, "auto")) {
2888 translation = BIOS_ATA_TRANSLATION_AUTO;
2889 } else {
2890 goto chs_fail;
2891 }
2892 } else if (*p != '\0') {
2893 chs_fail:
2894 fprintf(stderr, "qemu: invalid physical CHS format\n");
2895 exit(1);
2896 }
2897 if (hda_opts != NULL) {
2898 char num[16];
2899 snprintf(num, sizeof(num), "%d", cyls);
2900 qemu_opt_set(hda_opts, "cyls", num);
2901 snprintf(num, sizeof(num), "%d", heads);
2902 qemu_opt_set(hda_opts, "heads", num);
2903 snprintf(num, sizeof(num), "%d", secs);
2904 qemu_opt_set(hda_opts, "secs", num);
2905 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2906 qemu_opt_set(hda_opts, "trans", "large");
2907 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2908 qemu_opt_set(hda_opts, "trans", "rechs");
2909 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2910 qemu_opt_set(hda_opts, "trans", "lba");
2911 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2912 qemu_opt_set(hda_opts, "trans", "none");
2913 }
2914 }
2915 }
2916 break;
2917 case QEMU_OPTION_numa:
2918 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2919 if (!opts) {
2920 exit(1);
2921 }
2922 break;
2923 case QEMU_OPTION_display:
2924 display_type = select_display(optarg);
2925 break;
2926 case QEMU_OPTION_nographic:
2927 display_type = DT_NOGRAPHIC;
2928 break;
2929 case QEMU_OPTION_curses:
2930 #ifdef CONFIG_CURSES
2931 display_type = DT_CURSES;
2932 #else
2933 fprintf(stderr, "Curses support is disabled\n");
2934 exit(1);
2935 #endif
2936 break;
2937 case QEMU_OPTION_portrait:
2938 graphic_rotate = 90;
2939 break;
2940 case QEMU_OPTION_rotate:
2941 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2942 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2943 graphic_rotate != 180 && graphic_rotate != 270) {
2944 fprintf(stderr,
2945 "qemu: only 90, 180, 270 deg rotation is available\n");
2946 exit(1);
2947 }
2948 break;
2949 case QEMU_OPTION_kernel:
2950 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2951 break;
2952 case QEMU_OPTION_initrd:
2953 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2954 break;
2955 case QEMU_OPTION_append:
2956 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2957 break;
2958 case QEMU_OPTION_dtb:
2959 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2960 break;
2961 case QEMU_OPTION_cdrom:
2962 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2963 break;
2964 case QEMU_OPTION_boot:
2965 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
2966 if (!opts) {
2967 exit(1);
2968 }
2969 break;
2970 case QEMU_OPTION_fda:
2971 case QEMU_OPTION_fdb:
2972 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2973 optarg, FD_OPTS);
2974 break;
2975 case QEMU_OPTION_no_fd_bootchk:
2976 fd_bootchk = 0;
2977 break;
2978 case QEMU_OPTION_netdev:
2979 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2980 exit(1);
2981 }
2982 break;
2983 case QEMU_OPTION_net:
2984 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2985 exit(1);
2986 }
2987 break;
2988 #ifdef CONFIG_LIBISCSI
2989 case QEMU_OPTION_iscsi:
2990 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2991 if (!opts) {
2992 exit(1);
2993 }
2994 break;
2995 #endif
2996 #ifdef CONFIG_SLIRP
2997 case QEMU_OPTION_tftp:
2998 legacy_tftp_prefix = optarg;
2999 break;
3000 case QEMU_OPTION_bootp:
3001 legacy_bootp_filename = optarg;
3002 break;
3003 case QEMU_OPTION_redir:
3004 if (net_slirp_redir(optarg) < 0)
3005 exit(1);
3006 break;
3007 #endif
3008 case QEMU_OPTION_bt:
3009 add_device_config(DEV_BT, optarg);
3010 break;
3011 case QEMU_OPTION_audio_help:
3012 AUD_help ();
3013 exit (0);
3014 break;
3015 case QEMU_OPTION_soundhw:
3016 select_soundhw (optarg);
3017 break;
3018 case QEMU_OPTION_h:
3019 help(0);
3020 break;
3021 case QEMU_OPTION_version:
3022 version();
3023 exit(0);
3024 break;
3025 case QEMU_OPTION_m: {
3026 uint64_t sz;
3027 const char *mem_str;
3028 const char *maxmem_str, *slots_str;
3029
3030 opts = qemu_opts_parse(qemu_find_opts("memory"),
3031 optarg, 1);
3032 if (!opts) {
3033 exit(EXIT_FAILURE);
3034 }
3035
3036 mem_str = qemu_opt_get(opts, "size");
3037 if (!mem_str) {
3038 error_report("invalid -m option, missing 'size' option");
3039 exit(EXIT_FAILURE);
3040 }
3041 if (!*mem_str) {
3042 error_report("missing 'size' option value");
3043 exit(EXIT_FAILURE);
3044 }
3045
3046 sz = qemu_opt_get_size(opts, "size", ram_size);
3047
3048 /* Fix up legacy suffix-less format */
3049 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3050 uint64_t overflow_check = sz;
3051
3052 sz <<= 20;
3053 if ((sz >> 20) != overflow_check) {
3054 error_report("too large 'size' option value");
3055 exit(EXIT_FAILURE);
3056 }
3057 }
3058
3059 /* backward compatibility behaviour for case "-m 0" */
3060 if (sz == 0) {
3061 sz = default_ram_size;
3062 }
3063
3064 sz = QEMU_ALIGN_UP(sz, 8192);
3065 ram_size = sz;
3066 if (ram_size != sz) {
3067 error_report("ram size too large");
3068 exit(EXIT_FAILURE);
3069 }
3070 maxram_size = ram_size;
3071
3072 maxmem_str = qemu_opt_get(opts, "maxmem");
3073 slots_str = qemu_opt_get(opts, "slots");
3074 if (maxmem_str && slots_str) {
3075 uint64_t slots;
3076
3077 sz = qemu_opt_get_size(opts, "maxmem", 0);
3078 if (sz < ram_size) {
3079 error_report("invalid -m option value: maxmem "
3080 "(0x%" PRIx64 ") <= initial memory (0x"
3081 RAM_ADDR_FMT ")", sz, ram_size);
3082 exit(EXIT_FAILURE);
3083 }
3084
3085 slots = qemu_opt_get_number(opts, "slots", 0);
3086 if ((sz > ram_size) && !slots) {
3087 error_report("invalid -m option value: maxmem "
3088 "(0x%" PRIx64 ") more than initial memory (0x"
3089 RAM_ADDR_FMT ") but no hotplug slots where "
3090 "specified", sz, ram_size);
3091 exit(EXIT_FAILURE);
3092 }
3093
3094 if ((sz <= ram_size) && slots) {
3095 error_report("invalid -m option value: %"
3096 PRIu64 " hotplug slots where specified but "
3097 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3098 RAM_ADDR_FMT ")", slots, sz, ram_size);
3099 exit(EXIT_FAILURE);
3100 }
3101 maxram_size = sz;
3102 ram_slots = slots;
3103 } else if ((!maxmem_str && slots_str) ||
3104 (maxmem_str && !slots_str)) {
3105 error_report("invalid -m option value: missing "
3106 "'%s' option", slots_str ? "maxmem" : "slots");
3107 exit(EXIT_FAILURE);
3108 }
3109 break;
3110 }
3111 #ifdef CONFIG_TPM
3112 case QEMU_OPTION_tpmdev:
3113 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3114 exit(1);
3115 }
3116 break;
3117 #endif
3118 case QEMU_OPTION_mempath:
3119 mem_path = optarg;
3120 break;
3121 case QEMU_OPTION_mem_prealloc:
3122 mem_prealloc = 1;
3123 break;
3124 case QEMU_OPTION_d:
3125 log_mask = optarg;
3126 break;
3127 case QEMU_OPTION_D:
3128 log_file = optarg;
3129 break;
3130 case QEMU_OPTION_s:
3131 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3132 break;
3133 case QEMU_OPTION_gdb:
3134 add_device_config(DEV_GDB, optarg);
3135 break;
3136 case QEMU_OPTION_L:
3137 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3138 data_dir[data_dir_idx++] = optarg;
3139 }
3140 break;
3141 case QEMU_OPTION_bios:
3142 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3143 break;
3144 case QEMU_OPTION_singlestep:
3145 singlestep = 1;
3146 break;
3147 case QEMU_OPTION_S:
3148 autostart = 0;
3149 break;
3150 case QEMU_OPTION_k:
3151 keyboard_layout = optarg;
3152 break;
3153 case QEMU_OPTION_localtime:
3154 rtc_utc = 0;
3155 break;
3156 case QEMU_OPTION_vga:
3157 vga_model = optarg;
3158 default_vga = 0;
3159 break;
3160 case QEMU_OPTION_g:
3161 {
3162 const char *p;
3163 int w, h, depth;
3164 p = optarg;
3165 w = strtol(p, (char **)&p, 10);
3166 if (w <= 0) {
3167 graphic_error:
3168 fprintf(stderr, "qemu: invalid resolution or depth\n");
3169 exit(1);
3170 }
3171 if (*p != 'x')
3172 goto graphic_error;
3173 p++;
3174 h = strtol(p, (char **)&p, 10);
3175 if (h <= 0)
3176 goto graphic_error;
3177 if (*p == 'x') {
3178 p++;
3179 depth = strtol(p, (char **)&p, 10);
3180 if (depth != 8 && depth != 15 && depth != 16 &&
3181 depth != 24 && depth != 32)
3182 goto graphic_error;
3183 } else if (*p == '\0') {
3184 depth = graphic_depth;
3185 } else {
3186 goto graphic_error;
3187 }
3188
3189 graphic_width = w;
3190 graphic_height = h;
3191 graphic_depth = depth;
3192 }
3193 break;
3194 case QEMU_OPTION_echr:
3195 {
3196 char *r;
3197 term_escape_char = strtol(optarg, &r, 0);
3198 if (r == optarg)
3199 printf("Bad argument to echr\n");
3200 break;
3201 }
3202 case QEMU_OPTION_monitor:
3203 default_monitor = 0;
3204 if (strncmp(optarg, "none", 4)) {
3205 monitor_parse(optarg, "readline", false);
3206 }
3207 break;
3208 case QEMU_OPTION_qmp:
3209 monitor_parse(optarg, "control", false);
3210 default_monitor = 0;
3211 break;
3212 case QEMU_OPTION_qmp_pretty:
3213 monitor_parse(optarg, "control", true);
3214 default_monitor = 0;
3215 break;
3216 case QEMU_OPTION_mon:
3217 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 default_monitor = 0;
3222 break;
3223 case QEMU_OPTION_chardev:
3224 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3225 if (!opts) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_fsdev:
3230 olist = qemu_find_opts("fsdev");
3231 if (!olist) {
3232 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3233 exit(1);
3234 }
3235 opts = qemu_opts_parse(olist, optarg, 1);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_virtfs: {
3241 QemuOpts *fsdev;
3242 QemuOpts *device;
3243 const char *writeout, *sock_fd, *socket;
3244
3245 olist = qemu_find_opts("virtfs");
3246 if (!olist) {
3247 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3248 exit(1);
3249 }
3250 opts = qemu_opts_parse(olist, optarg, 1);
3251 if (!opts) {
3252 exit(1);
3253 }
3254
3255 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3256 qemu_opt_get(opts, "mount_tag") == NULL) {
3257 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3258 exit(1);
3259 }
3260 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3261 qemu_opt_get(opts, "mount_tag"),
3262 1, NULL);
3263 if (!fsdev) {
3264 fprintf(stderr, "duplicate fsdev id: %s\n",
3265 qemu_opt_get(opts, "mount_tag"));
3266 exit(1);
3267 }
3268
3269 writeout = qemu_opt_get(opts, "writeout");
3270 if (writeout) {
3271 #ifdef CONFIG_SYNC_FILE_RANGE
3272 qemu_opt_set(fsdev, "writeout", writeout);
3273 #else
3274 fprintf(stderr, "writeout=immediate not supported on "
3275 "this platform\n");
3276 exit(1);
3277 #endif
3278 }
3279 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3280 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3281 qemu_opt_set(fsdev, "security_model",
3282 qemu_opt_get(opts, "security_model"));
3283 socket = qemu_opt_get(opts, "socket");
3284 if (socket) {
3285 qemu_opt_set(fsdev, "socket", socket);
3286 }
3287 sock_fd = qemu_opt_get(opts, "sock_fd");
3288 if (sock_fd) {
3289 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3290 }
3291
3292 qemu_opt_set_bool(fsdev, "readonly",
3293 qemu_opt_get_bool(opts, "readonly", 0));
3294 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3295 &error_abort);
3296 qemu_opt_set(device, "driver", "virtio-9p-pci");
3297 qemu_opt_set(device, "fsdev",
3298 qemu_opt_get(opts, "mount_tag"));
3299 qemu_opt_set(device, "mount_tag",
3300 qemu_opt_get(opts, "mount_tag"));
3301 break;
3302 }
3303 case QEMU_OPTION_virtfs_synth: {
3304 QemuOpts *fsdev;
3305 QemuOpts *device;
3306
3307 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3308 1, NULL);
3309 if (!fsdev) {
3310 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3311 exit(1);
3312 }
3313 qemu_opt_set(fsdev, "fsdriver", "synth");
3314
3315 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3316 &error_abort);
3317 qemu_opt_set(device, "driver", "virtio-9p-pci");
3318 qemu_opt_set(device, "fsdev", "v_synth");
3319 qemu_opt_set(device, "mount_tag", "v_synth");
3320 break;
3321 }
3322 case QEMU_OPTION_serial:
3323 add_device_config(DEV_SERIAL, optarg);
3324 default_serial = 0;
3325 if (strncmp(optarg, "mon:", 4) == 0) {
3326 default_monitor = 0;
3327 }
3328 break;
3329 case QEMU_OPTION_watchdog:
3330 if (watchdog) {
3331 fprintf(stderr,
3332 "qemu: only one watchdog option may be given\n");
3333 return 1;
3334 }
3335 watchdog = optarg;
3336 break;
3337 case QEMU_OPTION_watchdog_action:
3338 if (select_watchdog_action(optarg) == -1) {
3339 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3340 exit(1);
3341 }
3342 break;
3343 case QEMU_OPTION_virtiocon:
3344 add_device_config(DEV_VIRTCON, optarg);
3345 default_virtcon = 0;
3346 if (strncmp(optarg, "mon:", 4) == 0) {
3347 default_monitor = 0;
3348 }
3349 break;
3350 case QEMU_OPTION_parallel:
3351 add_device_config(DEV_PARALLEL, optarg);
3352 default_parallel = 0;
3353 if (strncmp(optarg, "mon:", 4) == 0) {
3354 default_monitor = 0;
3355 }
3356 break;
3357 case QEMU_OPTION_debugcon:
3358 add_device_config(DEV_DEBUGCON, optarg);
3359 break;
3360 case QEMU_OPTION_loadvm:
3361 loadvm = optarg;
3362 break;
3363 case QEMU_OPTION_full_screen:
3364 full_screen = 1;
3365 break;
3366 case QEMU_OPTION_no_frame:
3367 no_frame = 1;
3368 break;
3369 case QEMU_OPTION_alt_grab:
3370 alt_grab = 1;
3371 break;
3372 case QEMU_OPTION_ctrl_grab:
3373 ctrl_grab = 1;
3374 break;
3375 case QEMU_OPTION_no_quit:
3376 no_quit = 1;
3377 break;
3378 case QEMU_OPTION_sdl:
3379 #ifdef CONFIG_SDL
3380 display_type = DT_SDL;
3381 break;
3382 #else
3383 fprintf(stderr, "SDL support is disabled\n");
3384 exit(1);
3385 #endif
3386 case QEMU_OPTION_pidfile:
3387 pid_file = optarg;
3388 break;
3389 case QEMU_OPTION_win2k_hack:
3390 win2k_install_hack = 1;
3391 break;
3392 case QEMU_OPTION_rtc_td_hack: {
3393 static GlobalProperty slew_lost_ticks[] = {
3394 {
3395 .driver = "mc146818rtc",
3396 .property = "lost_tick_policy",
3397 .value = "slew",
3398 },
3399 { /* end of list */ }
3400 };
3401
3402 qdev_prop_register_global_list(slew_lost_ticks);
3403 break;
3404 }
3405 case QEMU_OPTION_acpitable:
3406 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3407 if (!opts) {
3408 exit(1);
3409 }
3410 do_acpitable_option(opts);
3411 break;
3412 case QEMU_OPTION_smbios:
3413 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3414 if (!opts) {
3415 exit(1);
3416 }
3417 do_smbios_option(opts);
3418 break;
3419 case QEMU_OPTION_enable_kvm:
3420 olist = qemu_find_opts("machine");
3421 qemu_opts_parse(olist, "accel=kvm", 0);
3422 break;
3423 case QEMU_OPTION_machine:
3424 olist = qemu_find_opts("machine");
3425 opts = qemu_opts_parse(olist, optarg, 1);
3426 if (!opts) {
3427 exit(1);
3428 }
3429 optarg = qemu_opt_get(opts, "type");
3430 if (optarg) {
3431 machine_class = machine_parse(optarg);
3432 }
3433 break;
3434 case QEMU_OPTION_no_kvm:
3435 olist = qemu_find_opts("machine");
3436 qemu_opts_parse(olist, "accel=tcg", 0);
3437 break;
3438 case QEMU_OPTION_no_kvm_pit: {
3439 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3440 "separately.\n");
3441 break;
3442 }
3443 case QEMU_OPTION_no_kvm_pit_reinjection: {
3444 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3445 {
3446 .driver = "kvm-pit",
3447 .property = "lost_tick_policy",
3448 .value = "discard",
3449 },
3450 { /* end of list */ }
3451 };
3452
3453 fprintf(stderr, "Warning: option deprecated, use "
3454 "lost_tick_policy property of kvm-pit instead.\n");
3455 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3456 break;
3457 }
3458 case QEMU_OPTION_usb:
3459 olist = qemu_find_opts("machine");
3460 qemu_opts_parse(olist, "usb=on", 0);
3461 break;
3462 case QEMU_OPTION_usbdevice:
3463 olist = qemu_find_opts("machine");
3464 qemu_opts_parse(olist, "usb=on", 0);
3465 add_device_config(DEV_USB, optarg);
3466 break;
3467 case QEMU_OPTION_device:
3468 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3469 exit(1);
3470 }
3471 break;
3472 case QEMU_OPTION_smp:
3473 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3474 exit(1);
3475 }
3476 break;
3477 case QEMU_OPTION_vnc:
3478 #ifdef CONFIG_VNC
3479 display_remote++;
3480 vnc_display = optarg;
3481 #else
3482 fprintf(stderr, "VNC support is disabled\n");
3483 exit(1);
3484 #endif
3485 break;
3486 case QEMU_OPTION_no_acpi:
3487 acpi_enabled = 0;
3488 break;
3489 case QEMU_OPTION_no_hpet:
3490 no_hpet = 1;
3491 break;
3492 case QEMU_OPTION_balloon:
3493 if (balloon_parse(optarg) < 0) {
3494 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3495 exit(1);
3496 }
3497 break;
3498 case QEMU_OPTION_no_reboot:
3499 no_reboot = 1;
3500 break;
3501 case QEMU_OPTION_no_shutdown:
3502 no_shutdown = 1;
3503 break;
3504 case QEMU_OPTION_show_cursor:
3505 cursor_hide = 0;
3506 break;
3507 case QEMU_OPTION_uuid:
3508 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3509 fprintf(stderr, "Fail to parse UUID string."
3510 " Wrong format.\n");
3511 exit(1);
3512 }
3513 qemu_uuid_set = true;
3514 break;
3515 case QEMU_OPTION_option_rom:
3516 if (nb_option_roms >= MAX_OPTION_ROMS) {
3517 fprintf(stderr, "Too many option ROMs\n");
3518 exit(1);
3519 }
3520 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3521 if (!opts) {
3522 exit(1);
3523 }
3524 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3525 option_rom[nb_option_roms].bootindex =
3526 qemu_opt_get_number(opts, "bootindex", -1);
3527 if (!option_rom[nb_option_roms].name) {
3528 fprintf(stderr, "Option ROM file is not specified\n");
3529 exit(1);
3530 }
3531 nb_option_roms++;
3532 break;
3533 case QEMU_OPTION_semihosting:
3534 semihosting_enabled = 1;
3535 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3536 break;
3537 case QEMU_OPTION_semihosting_config:
3538 semihosting_enabled = 1;
3539 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3540 optarg, 0);
3541 if (opts != NULL) {
3542 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3543 true);
3544 const char *target = qemu_opt_get(opts, "target");
3545 if (target != NULL) {
3546 if (strcmp("native", target) == 0) {
3547 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3548 } else if (strcmp("gdb", target) == 0) {
3549 semihosting_target = SEMIHOSTING_TARGET_GDB;
3550 } else if (strcmp("auto", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3552 } else {
3553 fprintf(stderr, "Unsupported semihosting-config"
3554 " %s\n",
3555 optarg);
3556 exit(1);
3557 }
3558 } else {
3559 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3560 }
3561 } else {
3562 fprintf(stderr, "Unsupported semihosting-config %s\n",
3563 optarg);
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_tdf:
3568 fprintf(stderr, "Warning: user space PIT time drift fix "
3569 "is no longer supported.\n");
3570 break;
3571 case QEMU_OPTION_name:
3572 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3573 if (!opts) {
3574 exit(1);
3575 }
3576 break;
3577 case QEMU_OPTION_prom_env:
3578 if (nb_prom_envs >= MAX_PROM_ENVS) {
3579 fprintf(stderr, "Too many prom variables\n");
3580 exit(1);
3581 }
3582 prom_envs[nb_prom_envs] = optarg;
3583 nb_prom_envs++;
3584 break;
3585 case QEMU_OPTION_old_param:
3586 old_param = 1;
3587 break;
3588 case QEMU_OPTION_clock:
3589 /* Clock options no longer exist. Keep this option for
3590 * backward compatibility.
3591 */
3592 break;
3593 case QEMU_OPTION_startdate:
3594 configure_rtc_date_offset(optarg, 1);
3595 break;
3596 case QEMU_OPTION_rtc:
3597 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3598 if (!opts) {
3599 exit(1);
3600 }
3601 configure_rtc(opts);
3602 break;
3603 case QEMU_OPTION_tb_size:
3604 tcg_tb_size = strtol(optarg, NULL, 0);
3605 if (tcg_tb_size < 0) {
3606 tcg_tb_size = 0;
3607 }
3608 break;
3609 case QEMU_OPTION_icount:
3610 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3611 optarg, 1);
3612 if (!icount_opts) {
3613 exit(1);
3614 }
3615 break;
3616 case QEMU_OPTION_incoming:
3617 incoming = optarg;
3618 runstate_set(RUN_STATE_INMIGRATE);
3619 break;
3620 case QEMU_OPTION_nodefaults:
3621 has_defaults = 0;
3622 break;
3623 case QEMU_OPTION_xen_domid:
3624 if (!(xen_available())) {
3625 printf("Option %s not supported for this target\n", popt->name);
3626 exit(1);
3627 }
3628 xen_domid = atoi(optarg);
3629 break;
3630 case QEMU_OPTION_xen_create:
3631 if (!(xen_available())) {
3632 printf("Option %s not supported for this target\n", popt->name);
3633 exit(1);
3634 }
3635 xen_mode = XEN_CREATE;
3636 break;
3637 case QEMU_OPTION_xen_attach:
3638 if (!(xen_available())) {
3639 printf("Option %s not supported for this target\n", popt->name);
3640 exit(1);
3641 }
3642 xen_mode = XEN_ATTACH;
3643 break;
3644 case QEMU_OPTION_trace:
3645 {
3646 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3647 if (!opts) {
3648 exit(1);
3649 }
3650 trace_events = qemu_opt_get(opts, "events");
3651 trace_file = qemu_opt_get(opts, "file");
3652 break;
3653 }
3654 case QEMU_OPTION_readconfig:
3655 {
3656 int ret = qemu_read_config_file(optarg);
3657 if (ret < 0) {
3658 fprintf(stderr, "read config %s: %s\n", optarg,
3659 strerror(-ret));
3660 exit(1);
3661 }
3662 break;
3663 }
3664 case QEMU_OPTION_spice:
3665 olist = qemu_find_opts("spice");
3666 if (!olist) {
3667 fprintf(stderr, "spice is not supported by this qemu build.\n");
3668 exit(1);
3669 }
3670 opts = qemu_opts_parse(olist, optarg, 0);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 display_remote++;
3675 break;
3676 case QEMU_OPTION_writeconfig:
3677 {
3678 FILE *fp;
3679 if (strcmp(optarg, "-") == 0) {
3680 fp = stdout;
3681 } else {
3682 fp = fopen(optarg, "w");
3683 if (fp == NULL) {
3684 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3685 exit(1);
3686 }
3687 }
3688 qemu_config_write(fp);
3689 if (fp != stdout) {
3690 fclose(fp);
3691 }
3692 break;
3693 }
3694 case QEMU_OPTION_qtest:
3695 qtest_chrdev = optarg;
3696 break;
3697 case QEMU_OPTION_qtest_log:
3698 qtest_log = optarg;
3699 break;
3700 case QEMU_OPTION_sandbox:
3701 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3702 if (!opts) {
3703 exit(1);
3704 }
3705 break;
3706 case QEMU_OPTION_add_fd:
3707 #ifndef _WIN32
3708 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 #else
3713 error_report("File descriptor passing is disabled on this "
3714 "platform");
3715 exit(1);
3716 #endif
3717 break;
3718 case QEMU_OPTION_object:
3719 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3720 if (!opts) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_realtime:
3725 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3726 if (!opts) {
3727 exit(1);
3728 }
3729 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3730 break;
3731 case QEMU_OPTION_msg:
3732 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3733 if (!opts) {
3734 exit(1);
3735 }
3736 configure_msg(opts);
3737 break;
3738 case QEMU_OPTION_dump_vmstate:
3739 if (vmstate_dump_file) {
3740 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3741 "option may be given\n");
3742 exit(1);
3743 }
3744 vmstate_dump_file = fopen(optarg, "w");
3745 if (vmstate_dump_file == NULL) {
3746 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3747 exit(1);
3748 }
3749 break;
3750 default:
3751 os_parse_cmd_args(popt->index, optarg);
3752 }
3753 }
3754 }
3755 loc_set_none();
3756
3757 os_daemonize();
3758
3759 if (qemu_init_main_loop(&main_loop_err)) {
3760 error_report("%s", error_get_pretty(main_loop_err));
3761 exit(1);
3762 }
3763
3764 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3765 exit(1);
3766 }
3767
3768 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3769 exit(1);
3770 }
3771
3772 #ifndef _WIN32
3773 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3774 exit(1);
3775 }
3776
3777 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3778 exit(1);
3779 }
3780 #endif
3781
3782 if (machine_class == NULL) {
3783 fprintf(stderr, "No machine specified, and there is no default.\n"
3784 "Use -machine help to list supported machines!\n");
3785 exit(1);
3786 }
3787
3788 current_machine = MACHINE(object_new(object_class_get_name(
3789 OBJECT_CLASS(machine_class))));
3790 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3791 exit(0);
3792 }
3793 object_property_add_child(object_get_root(), "machine",
3794 OBJECT(current_machine), &error_abort);
3795 cpu_exec_init_all();
3796
3797 if (machine_class->hw_version) {
3798 qemu_set_version(machine_class->hw_version);
3799 }
3800
3801 /* Init CPU def lists, based on config
3802 * - Must be called after all the qemu_read_config_file() calls
3803 * - Must be called before list_cpus()
3804 * - Must be called before machine->init()
3805 */
3806 cpudef_init();
3807
3808 if (cpu_model && is_help_option(cpu_model)) {
3809 list_cpus(stdout, &fprintf, cpu_model);
3810 exit(0);
3811 }
3812
3813 /* Open the logfile at this point, if necessary. We can't open the logfile
3814 * when encountering either of the logging options (-d or -D) because the
3815 * other one may be encountered later on the command line, changing the
3816 * location or level of logging.
3817 */
3818 if (log_mask) {
3819 int mask;
3820 if (log_file) {
3821 qemu_set_log_filename(log_file);
3822 }
3823
3824 mask = qemu_str_to_log_mask(log_mask);
3825 if (!mask) {
3826 qemu_print_log_usage(stdout);
3827 exit(1);
3828 }
3829 qemu_set_log(mask);
3830 }
3831
3832 if (!is_daemonized()) {
3833 if (!trace_init_backends(trace_events, trace_file)) {
3834 exit(1);
3835 }
3836 }
3837
3838 /* If no data_dir is specified then try to find it relative to the
3839 executable path. */
3840 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3841 data_dir[data_dir_idx] = os_find_datadir();
3842 if (data_dir[data_dir_idx] != NULL) {
3843 data_dir_idx++;
3844 }
3845 }
3846 /* If all else fails use the install path specified when building. */
3847 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3848 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3849 }
3850
3851 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3852
3853 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3854 if (smp_cpus > machine_class->max_cpus) {
3855 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3856 "supported by machine `%s' (%d)\n", smp_cpus,
3857 machine_class->name, machine_class->max_cpus);
3858 exit(1);
3859 }
3860
3861 /*
3862 * Get the default machine options from the machine if it is not already
3863 * specified either by the configuration file or by the command line.
3864 */
3865 if (machine_class->default_machine_opts) {
3866 qemu_opts_set_defaults(qemu_find_opts("machine"),
3867 machine_class->default_machine_opts, 0);
3868 }
3869
3870 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3871 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3872
3873 if (!vga_model && !default_vga) {
3874 vga_interface_type = VGA_DEVICE;
3875 }
3876 if (!has_defaults || machine_class->no_serial) {
3877 default_serial = 0;
3878 }
3879 if (!has_defaults || machine_class->no_parallel) {
3880 default_parallel = 0;
3881 }
3882 if (!has_defaults || !machine_class->use_virtcon) {
3883 default_virtcon = 0;
3884 }
3885 if (!has_defaults || !machine_class->use_sclp) {
3886 default_sclp = 0;
3887 }
3888 if (!has_defaults || machine_class->no_floppy) {
3889 default_floppy = 0;
3890 }
3891 if (!has_defaults || machine_class->no_cdrom) {
3892 default_cdrom = 0;
3893 }
3894 if (!has_defaults || machine_class->no_sdcard) {
3895 default_sdcard = 0;
3896 }
3897 if (!has_defaults) {
3898 default_monitor = 0;
3899 default_net = 0;
3900 default_vga = 0;
3901 }
3902
3903 if (is_daemonized()) {
3904 /* According to documentation and historically, -nographic redirects
3905 * serial port, parallel port and monitor to stdio, which does not work
3906 * with -daemonize. We can redirect these to null instead, but since
3907 * -nographic is legacy, let's just error out.
3908 * We disallow -nographic only if all other ports are not redirected
3909 * explicitly, to not break existing legacy setups which uses
3910 * -nographic _and_ redirects all ports explicitly - this is valid
3911 * usage, -nographic is just a no-op in this case.
3912 */
3913 if (display_type == DT_NOGRAPHIC
3914 && (default_parallel || default_serial
3915 || default_monitor || default_virtcon)) {
3916 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3917 exit(1);
3918 }
3919 #ifdef CONFIG_CURSES
3920 if (display_type == DT_CURSES) {
3921 fprintf(stderr, "curses display can not be used with -daemonize\n");
3922 exit(1);
3923 }
3924 #endif
3925 }
3926
3927 if (display_type == DT_NOGRAPHIC) {
3928 if (default_parallel)
3929 add_device_config(DEV_PARALLEL, "null");
3930 if (default_serial && default_monitor) {
3931 add_device_config(DEV_SERIAL, "mon:stdio");
3932 } else if (default_virtcon && default_monitor) {
3933 add_device_config(DEV_VIRTCON, "mon:stdio");
3934 } else if (default_sclp && default_monitor) {
3935 add_device_config(DEV_SCLP, "mon:stdio");
3936 } else {
3937 if (default_serial)
3938 add_device_config(DEV_SERIAL, "stdio");
3939 if (default_virtcon)
3940 add_device_config(DEV_VIRTCON, "stdio");
3941 if (default_sclp) {
3942 add_device_config(DEV_SCLP, "stdio");
3943 }
3944 if (default_monitor)
3945 monitor_parse("stdio", "readline", false);
3946 }
3947 } else {
3948 if (default_serial)
3949 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3950 if (default_parallel)
3951 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3952 if (default_monitor)
3953 monitor_parse("vc:80Cx24C", "readline", false);
3954 if (default_virtcon)
3955 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3956 if (default_sclp) {
3957 add_device_config(DEV_SCLP, "vc:80Cx24C");
3958 }
3959 }
3960
3961 if (display_type == DT_DEFAULT && !display_remote) {
3962 #if defined(CONFIG_GTK)
3963 display_type = DT_GTK;
3964 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3965 display_type = DT_SDL;
3966 #elif defined(CONFIG_VNC)
3967 vnc_display = "localhost:0,to=99";
3968 show_vnc_port = 1;
3969 #else
3970 display_type = DT_NONE;
3971 #endif
3972 }
3973
3974 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3975 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3976 "for SDL, ignoring option\n");
3977 }
3978 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3979 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3980 "ignoring option\n");
3981 }
3982
3983 #if defined(CONFIG_GTK)
3984 if (display_type == DT_GTK) {
3985 early_gtk_display_init();
3986 }
3987 #endif
3988
3989 socket_init();
3990
3991 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3992 exit(1);
3993 #ifdef CONFIG_VIRTFS
3994 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3995 exit(1);
3996 }
3997 #endif
3998
3999 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4000 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4001 exit(1);
4002 }
4003
4004 /* store value for the future use */
4005 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4006
4007 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4008 != 0) {
4009 exit(0);
4010 }
4011
4012 if (qemu_opts_foreach(qemu_find_opts("object"),
4013 object_create, NULL, 0) != 0) {
4014 exit(1);
4015 }
4016
4017 machine_opts = qemu_get_machine_opts();
4018 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4019 1) < 0) {
4020 object_unref(OBJECT(current_machine));
4021 exit(1);
4022 }
4023
4024 configure_accelerator(current_machine);
4025
4026 if (qtest_chrdev) {
4027 Error *local_err = NULL;
4028 qtest_init(qtest_chrdev, qtest_log, &local_err);
4029 if (local_err) {
4030 error_report("%s", error_get_pretty(local_err));
4031 error_free(local_err);
4032 exit(1);
4033 }
4034 }
4035
4036 machine_opts = qemu_get_machine_opts();
4037 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4038 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4039 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4040 bios_name = qemu_opt_get(machine_opts, "firmware");
4041
4042 boot_order = machine_class->default_boot_order;
4043 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4044 if (opts) {
4045 char *normal_boot_order;
4046 const char *order, *once;
4047 Error *local_err = NULL;
4048
4049 order = qemu_opt_get(opts, "order");
4050 if (order) {
4051 validate_bootdevices(order, &local_err);
4052 if (local_err) {
4053 error_report("%s", error_get_pretty(local_err));
4054 exit(1);
4055 }
4056 boot_order = order;
4057 }
4058
4059 once = qemu_opt_get(opts, "once");
4060 if (once) {
4061 validate_bootdevices(once, &local_err);
4062 if (local_err) {
4063 error_report("%s", error_get_pretty(local_err));
4064 exit(1);
4065 }
4066 normal_boot_order = g_strdup(boot_order);
4067 boot_order = once;
4068 qemu_register_reset(restore_boot_order, normal_boot_order);
4069 }
4070
4071 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4072 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4073 }
4074
4075 if (!kernel_cmdline) {
4076 kernel_cmdline = "";
4077 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4078 }
4079
4080 linux_boot = (kernel_filename != NULL);
4081
4082 if (!linux_boot && *kernel_cmdline != '\0') {
4083 fprintf(stderr, "-append only allowed with -kernel option\n");
4084 exit(1);
4085 }
4086
4087 if (!linux_boot && initrd_filename != NULL) {
4088 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4089 exit(1);
4090 }
4091
4092 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4093 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4094 exit(1);
4095 }
4096
4097 os_set_line_buffering();
4098
4099 qemu_init_cpu_loop();
4100 qemu_mutex_lock_iothread();
4101
4102 #ifdef CONFIG_SPICE
4103 /* spice needs the timers to be initialized by this point */
4104 qemu_spice_init();
4105 #endif
4106
4107 cpu_ticks_init();
4108 if (icount_opts) {
4109 if (kvm_enabled() || xen_enabled()) {
4110 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4111 exit(1);
4112 }
4113 configure_icount(icount_opts, &error_abort);
4114 qemu_opts_del(icount_opts);
4115 }
4116
4117 /* clean up network at qemu process termination */
4118 atexit(&net_cleanup);
4119
4120 if (net_init_clients() < 0) {
4121 exit(1);
4122 }
4123
4124 #ifdef CONFIG_TPM
4125 if (tpm_init() < 0) {
4126 exit(1);
4127 }
4128 #endif
4129
4130 /* init the bluetooth world */
4131 if (foreach_device_config(DEV_BT, bt_parse))
4132 exit(1);
4133
4134 if (!xen_enabled()) {
4135 /* On 32-bit hosts, QEMU is limited by virtual address space */
4136 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4137 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4138 exit(1);
4139 }
4140 }
4141
4142 blk_mig_init();
4143 ram_mig_init();
4144
4145 /* If the currently selected machine wishes to override the units-per-bus
4146 * property of its default HBA interface type, do so now. */
4147 if (machine_class->units_per_default_bus) {
4148 override_max_devs(machine_class->block_default_type,
4149 machine_class->units_per_default_bus);
4150 }
4151
4152 /* open the virtual block devices */
4153 if (snapshot)
4154 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4155 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4156 &machine_class->block_default_type, 1) != 0) {
4157 exit(1);
4158 }
4159
4160 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4161 CDROM_OPTS);
4162 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4163 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4164
4165 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4166 NULL, 1) != 0) {
4167 exit(1);
4168 }
4169
4170 set_numa_nodes();
4171
4172 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4173 exit(1);
4174 }
4175
4176 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4177 exit(1);
4178 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4179 exit(1);
4180 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4181 exit(1);
4182 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4183 exit(1);
4184 }
4185 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4186 exit(1);
4187
4188 /* If no default VGA is requested, the default is "none". */
4189 if (default_vga) {
4190 if (machine_class->default_display) {
4191 vga_model = machine_class->default_display;
4192 } else if (cirrus_vga_available()) {
4193 vga_model = "cirrus";
4194 } else if (vga_available()) {
4195 vga_model = "std";
4196 }
4197 }
4198 if (vga_model) {
4199 select_vgahw(vga_model);
4200 }
4201
4202 if (watchdog) {
4203 i = select_watchdog(watchdog);
4204 if (i > 0)
4205 exit (i == 1 ? 1 : 0);
4206 }
4207
4208 if (machine_class->compat_props) {
4209 qdev_prop_register_global_list(machine_class->compat_props);
4210 }
4211 qemu_add_globals();
4212
4213 qdev_machine_init();
4214
4215 current_machine->ram_size = ram_size;
4216 current_machine->maxram_size = maxram_size;
4217 current_machine->ram_slots = ram_slots;
4218 current_machine->boot_order = boot_order;
4219 current_machine->cpu_model = cpu_model;
4220
4221 machine_class->init(current_machine);
4222
4223 realtime_init();
4224
4225 audio_init();
4226
4227 cpu_synchronize_all_post_init();
4228
4229 set_numa_modes();
4230
4231 /* init USB devices */
4232 if (usb_enabled()) {
4233 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4234 exit(1);
4235 }
4236
4237 /* init generic devices */
4238 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4239 exit(1);
4240
4241 /* Did we create any drives that we failed to create a device for? */
4242 drive_check_orphaned();
4243
4244 net_check_clients();
4245
4246 ds = init_displaystate();
4247
4248 /* init local displays */
4249 switch (display_type) {
4250 case DT_NOGRAPHIC:
4251 (void)ds; /* avoid warning if no display is configured */
4252 break;
4253 #if defined(CONFIG_CURSES)
4254 case DT_CURSES:
4255 curses_display_init(ds, full_screen);
4256 break;
4257 #endif
4258 #if defined(CONFIG_SDL)
4259 case DT_SDL:
4260 sdl_display_init(ds, full_screen, no_frame);
4261 break;
4262 #elif defined(CONFIG_COCOA)
4263 case DT_SDL:
4264 cocoa_display_init(ds, full_screen);
4265 break;
4266 #endif
4267 #if defined(CONFIG_GTK)
4268 case DT_GTK:
4269 gtk_display_init(ds, full_screen, grab_on_hover);
4270 break;
4271 #endif
4272 default:
4273 break;
4274 }
4275
4276 /* must be after terminal init, SDL library changes signal handlers */
4277 os_setup_signal_handling();
4278
4279 #ifdef CONFIG_VNC
4280 /* init remote displays */
4281 if (vnc_display) {
4282 Error *local_err = NULL;
4283 vnc_display_init(ds);
4284 vnc_display_open(ds, vnc_display, &local_err);
4285 if (local_err != NULL) {
4286 error_report("Failed to start VNC server on `%s': %s",
4287 vnc_display, error_get_pretty(local_err));
4288 error_free(local_err);
4289 exit(1);
4290 }
4291
4292 if (show_vnc_port) {
4293 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4294 }
4295 }
4296 #endif
4297 #ifdef CONFIG_SPICE
4298 if (using_spice) {
4299 qemu_spice_display_init();
4300 }
4301 #endif
4302
4303 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4304 exit(1);
4305 }
4306
4307 qdev_machine_creation_done();
4308
4309 if (rom_load_all() != 0) {
4310 fprintf(stderr, "rom loading failed\n");
4311 exit(1);
4312 }
4313
4314 /* TODO: once all bus devices are qdevified, this should be done
4315 * when bus is created by qdev.c */
4316 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4317 qemu_run_machine_init_done_notifiers();
4318
4319 /* Done notifiers can load ROMs */
4320 rom_load_done();
4321
4322 qemu_system_reset(VMRESET_SILENT);
4323 if (loadvm) {
4324 if (load_vmstate(loadvm) < 0) {
4325 autostart = 0;
4326 }
4327 }
4328
4329 qdev_prop_check_globals();
4330 if (vmstate_dump_file) {
4331 /* dump and exit */
4332 dump_vmstate_json_to_file(vmstate_dump_file);
4333 return 0;
4334 }
4335
4336 if (incoming) {
4337 Error *local_err = NULL;
4338 qemu_start_incoming_migration(incoming, &local_err);
4339 if (local_err) {
4340 error_report("-incoming %s: %s", incoming,
4341 error_get_pretty(local_err));
4342 error_free(local_err);
4343 exit(1);
4344 }
4345 } else if (autostart) {
4346 vm_start();
4347 }
4348
4349 os_setup_post();
4350
4351 if (is_daemonized()) {
4352 if (!trace_init_backends(trace_events, trace_file)) {
4353 exit(1);
4354 }
4355 }
4356
4357 main_loop();
4358 bdrv_close_all();
4359 pause_all_vcpus();
4360 res_free();
4361 #ifdef CONFIG_TPM
4362 tpm_cleanup();
4363 #endif
4364
4365 return 0;
4366 }
Ray Wang's QEMU Repository