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hw/virtio/virtio-balloon: move adding property to virtio_balloon_instance_init
[qemu/cris-port.git] / vl.c
blob26b1e7e28cd28e2c39fdf9d1e3bbdf409f9830fe
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 #ifdef CONFIG_GTK
152 static bool grab_on_hover;
153 #endif
154 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
155 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
156 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 0;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_trace_opts = {
270 .name = "trace",
271 .implied_opt_name = "trace",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
273 .desc = {
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 },
474 { /* end of list */ }
475 },
476 };
477
478 static QemuOptsList qemu_semihosting_config_opts = {
479 .name = "semihosting-config",
480 .implied_opt_name = "enable",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
482 .desc = {
483 {
484 .name = "enable",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "target",
488 .type = QEMU_OPT_STRING,
489 },
490 { /* end of list */ }
491 },
492 };
493
494 /**
495 * Get machine options
496 *
497 * Returns: machine options (never null).
498 */
499 QemuOpts *qemu_get_machine_opts(void)
500 {
501 return qemu_find_opts_singleton("machine");
502 }
503
504 const char *qemu_get_vm_name(void)
505 {
506 return qemu_name;
507 }
508
509 static void res_free(void)
510 {
511 if (boot_splash_filedata != NULL) {
512 g_free(boot_splash_filedata);
513 boot_splash_filedata = NULL;
514 }
515 }
516
517 static int default_driver_check(QemuOpts *opts, void *opaque)
518 {
519 const char *driver = qemu_opt_get(opts, "driver");
520 int i;
521
522 if (!driver)
523 return 0;
524 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
525 if (strcmp(default_list[i].driver, driver) != 0)
526 continue;
527 *(default_list[i].flag) = 0;
528 }
529 return 0;
530 }
531
532 /***********************************************************/
533 /* QEMU state */
534
535 static RunState current_run_state = RUN_STATE_PRELAUNCH;
536
537 /* We use RUN_STATE_MAX but any invalid value will do */
538 static RunState vmstop_requested = RUN_STATE_MAX;
539 static QemuMutex vmstop_lock;
540
541 typedef struct {
542 RunState from;
543 RunState to;
544 } RunStateTransition;
545
546 static const RunStateTransition runstate_transitions_def[] = {
547 /* from -> to */
548 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
549 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
550
551 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
552 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
553
554 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
555 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
556
557 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
558 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
559
560 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
561 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
562
563 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
564 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
565
566 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
567 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
568 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
569
570 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
571 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
572
573 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
574
575 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
576 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
577 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
578 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
579 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
580 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
581 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
582 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
583 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
584 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
585
586 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
587
588 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
589 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
592 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
593 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
594 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
597 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
600 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_MAX, RUN_STATE_MAX },
603 };
604
605 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
606
607 bool runstate_check(RunState state)
608 {
609 return current_run_state == state;
610 }
611
612 static void runstate_init(void)
613 {
614 const RunStateTransition *p;
615
616 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
617 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
618 runstate_valid_transitions[p->from][p->to] = true;
619 }
620
621 qemu_mutex_init(&vmstop_lock);
622 }
623
624 /* This function will abort() on invalid state transitions */
625 void runstate_set(RunState new_state)
626 {
627 assert(new_state < RUN_STATE_MAX);
628
629 if (!runstate_valid_transitions[current_run_state][new_state]) {
630 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
631 RunState_lookup[current_run_state],
632 RunState_lookup[new_state]);
633 abort();
634 }
635 trace_runstate_set(new_state);
636 current_run_state = new_state;
637 }
638
639 int runstate_is_running(void)
640 {
641 return runstate_check(RUN_STATE_RUNNING);
642 }
643
644 bool runstate_needs_reset(void)
645 {
646 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
647 runstate_check(RUN_STATE_SHUTDOWN);
648 }
649
650 StatusInfo *qmp_query_status(Error **errp)
651 {
652 StatusInfo *info = g_malloc0(sizeof(*info));
653
654 info->running = runstate_is_running();
655 info->singlestep = singlestep;
656 info->status = current_run_state;
657
658 return info;
659 }
660
661 static bool qemu_vmstop_requested(RunState *r)
662 {
663 qemu_mutex_lock(&vmstop_lock);
664 *r = vmstop_requested;
665 vmstop_requested = RUN_STATE_MAX;
666 qemu_mutex_unlock(&vmstop_lock);
667 return *r < RUN_STATE_MAX;
668 }
669
670 void qemu_system_vmstop_request_prepare(void)
671 {
672 qemu_mutex_lock(&vmstop_lock);
673 }
674
675 void qemu_system_vmstop_request(RunState state)
676 {
677 vmstop_requested = state;
678 qemu_mutex_unlock(&vmstop_lock);
679 qemu_notify_event();
680 }
681
682 void vm_start(void)
683 {
684 RunState requested;
685
686 qemu_vmstop_requested(&requested);
687 if (runstate_is_running() && requested == RUN_STATE_MAX) {
688 return;
689 }
690
691 /* Ensure that a STOP/RESUME pair of events is emitted if a
692 * vmstop request was pending. The BLOCK_IO_ERROR event, for
693 * example, according to documentation is always followed by
694 * the STOP event.
695 */
696 if (runstate_is_running()) {
697 qapi_event_send_stop(&error_abort);
698 } else {
699 cpu_enable_ticks();
700 runstate_set(RUN_STATE_RUNNING);
701 vm_state_notify(1, RUN_STATE_RUNNING);
702 resume_all_vcpus();
703 }
704
705 qapi_event_send_resume(&error_abort);
706 }
707
708
709 /***********************************************************/
710 /* real time host monotonic timer */
711
712 static time_t qemu_time(void)
713 {
714 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
715 }
716
717 /***********************************************************/
718 /* host time/date access */
719 void qemu_get_timedate(struct tm *tm, int offset)
720 {
721 time_t ti = qemu_time();
722
723 ti += offset;
724 if (rtc_date_offset == -1) {
725 if (rtc_utc)
726 gmtime_r(&ti, tm);
727 else
728 localtime_r(&ti, tm);
729 } else {
730 ti -= rtc_date_offset;
731 gmtime_r(&ti, tm);
732 }
733 }
734
735 int qemu_timedate_diff(struct tm *tm)
736 {
737 time_t seconds;
738
739 if (rtc_date_offset == -1)
740 if (rtc_utc)
741 seconds = mktimegm(tm);
742 else {
743 struct tm tmp = *tm;
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
746 }
747 else
748 seconds = mktimegm(tm) + rtc_date_offset;
749
750 return seconds - qemu_time();
751 }
752
753 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 {
755 time_t rtc_start_date;
756 struct tm tm;
757
758 if (!strcmp(startdate, "now") && legacy) {
759 rtc_date_offset = -1;
760 } else {
761 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
762 &tm.tm_year,
763 &tm.tm_mon,
764 &tm.tm_mday,
765 &tm.tm_hour,
766 &tm.tm_min,
767 &tm.tm_sec) == 6) {
768 /* OK */
769 } else if (sscanf(startdate, "%d-%d-%d",
770 &tm.tm_year,
771 &tm.tm_mon,
772 &tm.tm_mday) == 3) {
773 tm.tm_hour = 0;
774 tm.tm_min = 0;
775 tm.tm_sec = 0;
776 } else {
777 goto date_fail;
778 }
779 tm.tm_year -= 1900;
780 tm.tm_mon--;
781 rtc_start_date = mktimegm(&tm);
782 if (rtc_start_date == -1) {
783 date_fail:
784 fprintf(stderr, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
786 exit(1);
787 }
788 rtc_date_offset = qemu_time() - rtc_start_date;
789 }
790 }
791
792 static void configure_rtc(QemuOpts *opts)
793 {
794 const char *value;
795
796 value = qemu_opt_get(opts, "base");
797 if (value) {
798 if (!strcmp(value, "utc")) {
799 rtc_utc = 1;
800 } else if (!strcmp(value, "localtime")) {
801 rtc_utc = 0;
802 } else {
803 configure_rtc_date_offset(value, 0);
804 }
805 }
806 value = qemu_opt_get(opts, "clock");
807 if (value) {
808 if (!strcmp(value, "host")) {
809 rtc_clock = QEMU_CLOCK_HOST;
810 } else if (!strcmp(value, "rt")) {
811 rtc_clock = QEMU_CLOCK_REALTIME;
812 } else if (!strcmp(value, "vm")) {
813 rtc_clock = QEMU_CLOCK_VIRTUAL;
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
817 }
818 }
819 value = qemu_opt_get(opts, "driftfix");
820 if (value) {
821 if (!strcmp(value, "slew")) {
822 static GlobalProperty slew_lost_ticks[] = {
823 {
824 .driver = "mc146818rtc",
825 .property = "lost_tick_policy",
826 .value = "slew",
827 },
828 { /* end of list */ }
829 };
830
831 qdev_prop_register_global_list(slew_lost_ticks);
832 } else if (!strcmp(value, "none")) {
833 /* discard is default */
834 } else {
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
836 exit(1);
837 }
838 }
839 }
840
841 /***********************************************************/
842 /* Bluetooth support */
843 static int nb_hcis;
844 static int cur_hci;
845 static struct HCIInfo *hci_table[MAX_NICS];
846
847 struct HCIInfo *qemu_next_hci(void)
848 {
849 if (cur_hci == nb_hcis)
850 return &null_hci;
851
852 return hci_table[cur_hci++];
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 static int parse_name(QemuOpts *opts, void *opaque)
984 {
985 const char *proc_name;
986
987 if (qemu_opt_get(opts, "debug-threads")) {
988 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
989 }
990 qemu_name = qemu_opt_get(opts, "guest");
991
992 proc_name = qemu_opt_get(opts, "process");
993 if (proc_name) {
994 os_set_proc_name(proc_name);
995 }
996
997 return 0;
998 }
999
1000 bool defaults_enabled(void)
1001 {
1002 return has_defaults;
1003 }
1004
1005 bool usb_enabled(void)
1006 {
1007 return machine_usb(current_machine);
1008 }
1009
1010 #ifndef _WIN32
1011 static int parse_add_fd(QemuOpts *opts, void *opaque)
1012 {
1013 int fd, dupfd, flags;
1014 int64_t fdset_id;
1015 const char *fd_opaque = NULL;
1016 AddfdInfo *fdinfo;
1017
1018 fd = qemu_opt_get_number(opts, "fd", -1);
1019 fdset_id = qemu_opt_get_number(opts, "set", -1);
1020 fd_opaque = qemu_opt_get(opts, "opaque");
1021
1022 if (fd < 0) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd option is required and must be non-negative");
1025 return -1;
1026 }
1027
1028 if (fd <= STDERR_FILENO) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "fd cannot be a standard I/O stream");
1031 return -1;
1032 }
1033
1034 /*
1035 * All fds inherited across exec() necessarily have FD_CLOEXEC
1036 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1037 */
1038 flags = fcntl(fd, F_GETFD);
1039 if (flags == -1 || (flags & FD_CLOEXEC)) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "fd is not valid or already in use");
1042 return -1;
1043 }
1044
1045 if (fdset_id < 0) {
1046 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1047 "set option is required and must be non-negative");
1048 return -1;
1049 }
1050
1051 #ifdef F_DUPFD_CLOEXEC
1052 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1053 #else
1054 dupfd = dup(fd);
1055 if (dupfd != -1) {
1056 qemu_set_cloexec(dupfd);
1057 }
1058 #endif
1059 if (dupfd == -1) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "Error duplicating fd: %s", strerror(errno));
1062 return -1;
1063 }
1064
1065 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1066 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1067 &error_abort);
1068 g_free(fdinfo);
1069
1070 return 0;
1071 }
1072
1073 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1074 {
1075 int fd;
1076
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 close(fd);
1079
1080 return 0;
1081 }
1082 #endif
1083
1084 /***********************************************************/
1085 /* QEMU Block devices */
1086
1087 #define HD_OPTS "media=disk"
1088 #define CDROM_OPTS "media=cdrom"
1089 #define FD_OPTS ""
1090 #define PFLASH_OPTS ""
1091 #define MTD_OPTS ""
1092 #define SD_OPTS ""
1093
1094 static int drive_init_func(QemuOpts *opts, void *opaque)
1095 {
1096 BlockInterfaceType *block_default_type = opaque;
1097
1098 return drive_new(opts, *block_default_type) == NULL;
1099 }
1100
1101 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1102 {
1103 if (qemu_opt_get(opts, "snapshot") == NULL) {
1104 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1105 }
1106 return 0;
1107 }
1108
1109 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1110 int index, const char *optstr)
1111 {
1112 QemuOpts *opts;
1113 DriveInfo *dinfo;
1114
1115 if (!enable || drive_get_by_index(type, index)) {
1116 return;
1117 }
1118
1119 opts = drive_add(type, index, NULL, optstr);
1120 if (snapshot) {
1121 drive_enable_snapshot(opts, NULL);
1122 }
1123
1124 dinfo = drive_new(opts, type);
1125 if (!dinfo) {
1126 exit(1);
1127 }
1128 dinfo->is_default = true;
1129
1130 }
1131
1132 static QemuOptsList qemu_smp_opts = {
1133 .name = "smp-opts",
1134 .implied_opt_name = "cpus",
1135 .merge_lists = true,
1136 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1137 .desc = {
1138 {
1139 .name = "cpus",
1140 .type = QEMU_OPT_NUMBER,
1141 }, {
1142 .name = "sockets",
1143 .type = QEMU_OPT_NUMBER,
1144 }, {
1145 .name = "cores",
1146 .type = QEMU_OPT_NUMBER,
1147 }, {
1148 .name = "threads",
1149 .type = QEMU_OPT_NUMBER,
1150 }, {
1151 .name = "maxcpus",
1152 .type = QEMU_OPT_NUMBER,
1153 },
1154 { /*End of list */ }
1155 },
1156 };
1157
1158 static void smp_parse(QemuOpts *opts)
1159 {
1160 if (opts) {
1161
1162 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1163 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1164 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1165 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1166
1167 /* compute missing values, prefer sockets over cores over threads */
1168 if (cpus == 0 || sockets == 0) {
1169 sockets = sockets > 0 ? sockets : 1;
1170 cores = cores > 0 ? cores : 1;
1171 threads = threads > 0 ? threads : 1;
1172 if (cpus == 0) {
1173 cpus = cores * threads * sockets;
1174 }
1175 } else if (cores == 0) {
1176 threads = threads > 0 ? threads : 1;
1177 cores = cpus / (sockets * threads);
1178 } else if (threads == 0) {
1179 threads = cpus / (cores * sockets);
1180 } else if (sockets * cores * threads < cpus) {
1181 fprintf(stderr, "cpu topology: error: "
1182 "sockets (%u) * cores (%u) * threads (%u) < "
1183 "smp_cpus (%u)\n",
1184 sockets, cores, threads, cpus);
1185 exit(1);
1186 }
1187
1188 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1189
1190 smp_cpus = cpus;
1191 smp_cores = cores > 0 ? cores : 1;
1192 smp_threads = threads > 0 ? threads : 1;
1193
1194 }
1195
1196 if (max_cpus == 0) {
1197 max_cpus = smp_cpus;
1198 }
1199
1200 if (max_cpus > MAX_CPUMASK_BITS) {
1201 fprintf(stderr, "Unsupported number of maxcpus\n");
1202 exit(1);
1203 }
1204 if (max_cpus < smp_cpus) {
1205 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1206 exit(1);
1207 }
1208
1209 }
1210
1211 static void realtime_init(void)
1212 {
1213 if (enable_mlock) {
1214 if (os_mlock() < 0) {
1215 fprintf(stderr, "qemu: locking memory failed\n");
1216 exit(1);
1217 }
1218 }
1219 }
1220
1221
1222 static void configure_msg(QemuOpts *opts)
1223 {
1224 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1225 }
1226
1227 /***********************************************************/
1228 /* USB devices */
1229
1230 static int usb_device_add(const char *devname)
1231 {
1232 USBDevice *dev = NULL;
1233 #ifndef CONFIG_LINUX
1234 const char *p;
1235 #endif
1236
1237 if (!usb_enabled()) {
1238 return -1;
1239 }
1240
1241 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1242 dev = usbdevice_create(devname);
1243 if (dev)
1244 goto done;
1245
1246 /* the other ones */
1247 #ifndef CONFIG_LINUX
1248 /* only the linux version is qdev-ified, usb-bsd still needs this */
1249 if (strstart(devname, "host:", &p)) {
1250 dev = usb_host_device_open(usb_bus_find(-1), p);
1251 }
1252 #endif
1253 if (!dev)
1254 return -1;
1255
1256 done:
1257 return 0;
1258 }
1259
1260 static int usb_device_del(const char *devname)
1261 {
1262 int bus_num, addr;
1263 const char *p;
1264
1265 if (strstart(devname, "host:", &p)) {
1266 return -1;
1267 }
1268
1269 if (!usb_enabled()) {
1270 return -1;
1271 }
1272
1273 p = strchr(devname, '.');
1274 if (!p)
1275 return -1;
1276 bus_num = strtoul(devname, NULL, 0);
1277 addr = strtoul(p + 1, NULL, 0);
1278
1279 return usb_device_delete_addr(bus_num, addr);
1280 }
1281
1282 static int usb_parse(const char *cmdline)
1283 {
1284 int r;
1285 r = usb_device_add(cmdline);
1286 if (r < 0) {
1287 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1288 }
1289 return r;
1290 }
1291
1292 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1293 {
1294 const char *devname = qdict_get_str(qdict, "devname");
1295 if (usb_device_add(devname) < 0) {
1296 error_report("could not add USB device '%s'", devname);
1297 }
1298 }
1299
1300 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1301 {
1302 const char *devname = qdict_get_str(qdict, "devname");
1303 if (usb_device_del(devname) < 0) {
1304 error_report("could not delete USB device '%s'", devname);
1305 }
1306 }
1307
1308 /***********************************************************/
1309 /* machine registration */
1310
1311 MachineState *current_machine;
1312
1313 static void machine_class_init(ObjectClass *oc, void *data)
1314 {
1315 MachineClass *mc = MACHINE_CLASS(oc);
1316 QEMUMachine *qm = data;
1317
1318 mc->family = qm->family;
1319 mc->name = qm->name;
1320 mc->alias = qm->alias;
1321 mc->desc = qm->desc;
1322 mc->init = qm->init;
1323 mc->reset = qm->reset;
1324 mc->hot_add_cpu = qm->hot_add_cpu;
1325 mc->kvm_type = qm->kvm_type;
1326 mc->block_default_type = qm->block_default_type;
1327 mc->units_per_default_bus = qm->units_per_default_bus;
1328 mc->max_cpus = qm->max_cpus;
1329 mc->no_serial = qm->no_serial;
1330 mc->no_parallel = qm->no_parallel;
1331 mc->use_virtcon = qm->use_virtcon;
1332 mc->use_sclp = qm->use_sclp;
1333 mc->no_floppy = qm->no_floppy;
1334 mc->no_cdrom = qm->no_cdrom;
1335 mc->no_sdcard = qm->no_sdcard;
1336 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1337 mc->is_default = qm->is_default;
1338 mc->default_machine_opts = qm->default_machine_opts;
1339 mc->default_boot_order = qm->default_boot_order;
1340 mc->default_display = qm->default_display;
1341 mc->compat_props = qm->compat_props;
1342 mc->hw_version = qm->hw_version;
1343 }
1344
1345 int qemu_register_machine(QEMUMachine *m)
1346 {
1347 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1348 TypeInfo ti = {
1349 .name = name,
1350 .parent = TYPE_MACHINE,
1351 .class_init = machine_class_init,
1352 .class_data = (void *)m,
1353 };
1354
1355 type_register(&ti);
1356 g_free(name);
1357
1358 return 0;
1359 }
1360
1361 static MachineClass *find_machine(const char *name)
1362 {
1363 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1364 MachineClass *mc = NULL;
1365
1366 for (el = machines; el; el = el->next) {
1367 MachineClass *temp = el->data;
1368
1369 if (!strcmp(temp->name, name)) {
1370 mc = temp;
1371 break;
1372 }
1373 if (temp->alias &&
1374 !strcmp(temp->alias, name)) {
1375 mc = temp;
1376 break;
1377 }
1378 }
1379
1380 g_slist_free(machines);
1381 return mc;
1382 }
1383
1384 MachineClass *find_default_machine(void)
1385 {
1386 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1387 MachineClass *mc = NULL;
1388
1389 for (el = machines; el; el = el->next) {
1390 MachineClass *temp = el->data;
1391
1392 if (temp->is_default) {
1393 mc = temp;
1394 break;
1395 }
1396 }
1397
1398 g_slist_free(machines);
1399 return mc;
1400 }
1401
1402 MachineInfoList *qmp_query_machines(Error **errp)
1403 {
1404 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1405 MachineInfoList *mach_list = NULL;
1406
1407 for (el = machines; el; el = el->next) {
1408 MachineClass *mc = el->data;
1409 MachineInfoList *entry;
1410 MachineInfo *info;
1411
1412 info = g_malloc0(sizeof(*info));
1413 if (mc->is_default) {
1414 info->has_is_default = true;
1415 info->is_default = true;
1416 }
1417
1418 if (mc->alias) {
1419 info->has_alias = true;
1420 info->alias = g_strdup(mc->alias);
1421 }
1422
1423 info->name = g_strdup(mc->name);
1424 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1425
1426 entry = g_malloc0(sizeof(*entry));
1427 entry->value = info;
1428 entry->next = mach_list;
1429 mach_list = entry;
1430 }
1431
1432 g_slist_free(machines);
1433 return mach_list;
1434 }
1435
1436 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1437 {
1438 ObjectProperty *prop;
1439
1440 if (!qemu_opt_has_help_opt(opts)) {
1441 return 0;
1442 }
1443
1444 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1445 if (!prop->set) {
1446 continue;
1447 }
1448
1449 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1450 prop->name, prop->type);
1451 if (prop->description) {
1452 error_printf(" (%s)\n", prop->description);
1453 } else {
1454 error_printf("\n");
1455 }
1456 }
1457
1458 return 1;
1459 }
1460
1461 /***********************************************************/
1462 /* main execution loop */
1463
1464 struct vm_change_state_entry {
1465 VMChangeStateHandler *cb;
1466 void *opaque;
1467 QLIST_ENTRY (vm_change_state_entry) entries;
1468 };
1469
1470 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1471
1472 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1473 void *opaque)
1474 {
1475 VMChangeStateEntry *e;
1476
1477 e = g_malloc0(sizeof (*e));
1478
1479 e->cb = cb;
1480 e->opaque = opaque;
1481 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1482 return e;
1483 }
1484
1485 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1486 {
1487 QLIST_REMOVE (e, entries);
1488 g_free (e);
1489 }
1490
1491 void vm_state_notify(int running, RunState state)
1492 {
1493 VMChangeStateEntry *e, *next;
1494
1495 trace_vm_state_notify(running, state);
1496
1497 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1498 e->cb(e->opaque, running, state);
1499 }
1500 }
1501
1502 /* reset/shutdown handler */
1503
1504 typedef struct QEMUResetEntry {
1505 QTAILQ_ENTRY(QEMUResetEntry) entry;
1506 QEMUResetHandler *func;
1507 void *opaque;
1508 } QEMUResetEntry;
1509
1510 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1511 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1512 static int reset_requested;
1513 static int shutdown_requested, shutdown_signal = -1;
1514 static pid_t shutdown_pid;
1515 static int powerdown_requested;
1516 static int debug_requested;
1517 static int suspend_requested;
1518 static WakeupReason wakeup_reason;
1519 static NotifierList powerdown_notifiers =
1520 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1521 static NotifierList suspend_notifiers =
1522 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1523 static NotifierList wakeup_notifiers =
1524 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1525 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1526
1527 int qemu_shutdown_requested_get(void)
1528 {
1529 return shutdown_requested;
1530 }
1531
1532 int qemu_reset_requested_get(void)
1533 {
1534 return reset_requested;
1535 }
1536
1537 static int qemu_shutdown_requested(void)
1538 {
1539 return atomic_xchg(&shutdown_requested, 0);
1540 }
1541
1542 static void qemu_kill_report(void)
1543 {
1544 if (!qtest_driver() && shutdown_signal != -1) {
1545 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1546 if (shutdown_pid == 0) {
1547 /* This happens for eg ^C at the terminal, so it's worth
1548 * avoiding printing an odd message in that case.
1549 */
1550 fputc('\n', stderr);
1551 } else {
1552 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1553 }
1554 shutdown_signal = -1;
1555 }
1556 }
1557
1558 static int qemu_reset_requested(void)
1559 {
1560 int r = reset_requested;
1561 reset_requested = 0;
1562 return r;
1563 }
1564
1565 static int qemu_suspend_requested(void)
1566 {
1567 int r = suspend_requested;
1568 suspend_requested = 0;
1569 return r;
1570 }
1571
1572 static WakeupReason qemu_wakeup_requested(void)
1573 {
1574 return wakeup_reason;
1575 }
1576
1577 static int qemu_powerdown_requested(void)
1578 {
1579 int r = powerdown_requested;
1580 powerdown_requested = 0;
1581 return r;
1582 }
1583
1584 static int qemu_debug_requested(void)
1585 {
1586 int r = debug_requested;
1587 debug_requested = 0;
1588 return r;
1589 }
1590
1591 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1592 {
1593 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1594
1595 re->func = func;
1596 re->opaque = opaque;
1597 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1598 }
1599
1600 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1601 {
1602 QEMUResetEntry *re;
1603
1604 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1605 if (re->func == func && re->opaque == opaque) {
1606 QTAILQ_REMOVE(&reset_handlers, re, entry);
1607 g_free(re);
1608 return;
1609 }
1610 }
1611 }
1612
1613 void qemu_devices_reset(void)
1614 {
1615 QEMUResetEntry *re, *nre;
1616
1617 /* reset all devices */
1618 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1619 re->func(re->opaque);
1620 }
1621 }
1622
1623 void qemu_system_reset(bool report)
1624 {
1625 MachineClass *mc;
1626
1627 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1628
1629 if (mc && mc->reset) {
1630 mc->reset();
1631 } else {
1632 qemu_devices_reset();
1633 }
1634 if (report) {
1635 qapi_event_send_reset(&error_abort);
1636 }
1637 cpu_synchronize_all_post_reset();
1638 }
1639
1640 void qemu_system_reset_request(void)
1641 {
1642 if (no_reboot) {
1643 shutdown_requested = 1;
1644 } else {
1645 reset_requested = 1;
1646 }
1647 cpu_stop_current();
1648 qemu_notify_event();
1649 }
1650
1651 static void qemu_system_suspend(void)
1652 {
1653 pause_all_vcpus();
1654 notifier_list_notify(&suspend_notifiers, NULL);
1655 runstate_set(RUN_STATE_SUSPENDED);
1656 qapi_event_send_suspend(&error_abort);
1657 }
1658
1659 void qemu_system_suspend_request(void)
1660 {
1661 if (runstate_check(RUN_STATE_SUSPENDED)) {
1662 return;
1663 }
1664 suspend_requested = 1;
1665 cpu_stop_current();
1666 qemu_notify_event();
1667 }
1668
1669 void qemu_register_suspend_notifier(Notifier *notifier)
1670 {
1671 notifier_list_add(&suspend_notifiers, notifier);
1672 }
1673
1674 void qemu_system_wakeup_request(WakeupReason reason)
1675 {
1676 trace_system_wakeup_request(reason);
1677
1678 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1679 return;
1680 }
1681 if (!(wakeup_reason_mask & (1 << reason))) {
1682 return;
1683 }
1684 runstate_set(RUN_STATE_RUNNING);
1685 wakeup_reason = reason;
1686 qemu_notify_event();
1687 }
1688
1689 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1690 {
1691 if (enabled) {
1692 wakeup_reason_mask |= (1 << reason);
1693 } else {
1694 wakeup_reason_mask &= ~(1 << reason);
1695 }
1696 }
1697
1698 void qemu_register_wakeup_notifier(Notifier *notifier)
1699 {
1700 notifier_list_add(&wakeup_notifiers, notifier);
1701 }
1702
1703 void qemu_system_killed(int signal, pid_t pid)
1704 {
1705 shutdown_signal = signal;
1706 shutdown_pid = pid;
1707 no_shutdown = 0;
1708 qemu_system_shutdown_request();
1709 }
1710
1711 void qemu_system_shutdown_request(void)
1712 {
1713 trace_qemu_system_shutdown_request();
1714 shutdown_requested = 1;
1715 qemu_notify_event();
1716 }
1717
1718 static void qemu_system_powerdown(void)
1719 {
1720 qapi_event_send_powerdown(&error_abort);
1721 notifier_list_notify(&powerdown_notifiers, NULL);
1722 }
1723
1724 void qemu_system_powerdown_request(void)
1725 {
1726 trace_qemu_system_powerdown_request();
1727 powerdown_requested = 1;
1728 qemu_notify_event();
1729 }
1730
1731 void qemu_register_powerdown_notifier(Notifier *notifier)
1732 {
1733 notifier_list_add(&powerdown_notifiers, notifier);
1734 }
1735
1736 void qemu_system_debug_request(void)
1737 {
1738 debug_requested = 1;
1739 qemu_notify_event();
1740 }
1741
1742 static bool main_loop_should_exit(void)
1743 {
1744 RunState r;
1745 if (qemu_debug_requested()) {
1746 vm_stop(RUN_STATE_DEBUG);
1747 }
1748 if (qemu_suspend_requested()) {
1749 qemu_system_suspend();
1750 }
1751 if (qemu_shutdown_requested()) {
1752 qemu_kill_report();
1753 qapi_event_send_shutdown(&error_abort);
1754 if (no_shutdown) {
1755 vm_stop(RUN_STATE_SHUTDOWN);
1756 } else {
1757 return true;
1758 }
1759 }
1760 if (qemu_reset_requested()) {
1761 pause_all_vcpus();
1762 cpu_synchronize_all_states();
1763 qemu_system_reset(VMRESET_REPORT);
1764 resume_all_vcpus();
1765 if (runstate_needs_reset()) {
1766 runstate_set(RUN_STATE_PAUSED);
1767 }
1768 }
1769 if (qemu_wakeup_requested()) {
1770 pause_all_vcpus();
1771 cpu_synchronize_all_states();
1772 qemu_system_reset(VMRESET_SILENT);
1773 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1774 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1775 resume_all_vcpus();
1776 qapi_event_send_wakeup(&error_abort);
1777 }
1778 if (qemu_powerdown_requested()) {
1779 qemu_system_powerdown();
1780 }
1781 if (qemu_vmstop_requested(&r)) {
1782 vm_stop(r);
1783 }
1784 return false;
1785 }
1786
1787 static void main_loop(void)
1788 {
1789 bool nonblocking;
1790 int last_io = 0;
1791 #ifdef CONFIG_PROFILER
1792 int64_t ti;
1793 #endif
1794 do {
1795 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1796 #ifdef CONFIG_PROFILER
1797 ti = profile_getclock();
1798 #endif
1799 last_io = main_loop_wait(nonblocking);
1800 #ifdef CONFIG_PROFILER
1801 dev_time += profile_getclock() - ti;
1802 #endif
1803 } while (!main_loop_should_exit());
1804 }
1805
1806 static void version(void)
1807 {
1808 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1809 }
1810
1811 static void help(int exitcode)
1812 {
1813 version();
1814 printf("usage: %s [options] [disk_image]\n\n"
1815 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1816 error_get_progname());
1817
1818 #define QEMU_OPTIONS_GENERATE_HELP
1819 #include "qemu-options-wrapper.h"
1820
1821 printf("\nDuring emulation, the following keys are useful:\n"
1822 "ctrl-alt-f toggle full screen\n"
1823 "ctrl-alt-n switch to virtual console 'n'\n"
1824 "ctrl-alt toggle mouse and keyboard grab\n"
1825 "\n"
1826 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1827
1828 exit(exitcode);
1829 }
1830
1831 #define HAS_ARG 0x0001
1832
1833 typedef struct QEMUOption {
1834 const char *name;
1835 int flags;
1836 int index;
1837 uint32_t arch_mask;
1838 } QEMUOption;
1839
1840 static const QEMUOption qemu_options[] = {
1841 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1842 #define QEMU_OPTIONS_GENERATE_OPTIONS
1843 #include "qemu-options-wrapper.h"
1844 { NULL },
1845 };
1846
1847 static bool vga_available(void)
1848 {
1849 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1850 }
1851
1852 static bool cirrus_vga_available(void)
1853 {
1854 return object_class_by_name("cirrus-vga")
1855 || object_class_by_name("isa-cirrus-vga");
1856 }
1857
1858 static bool vmware_vga_available(void)
1859 {
1860 return object_class_by_name("vmware-svga");
1861 }
1862
1863 static bool qxl_vga_available(void)
1864 {
1865 return object_class_by_name("qxl-vga");
1866 }
1867
1868 static bool tcx_vga_available(void)
1869 {
1870 return object_class_by_name("SUNW,tcx");
1871 }
1872
1873 static bool cg3_vga_available(void)
1874 {
1875 return object_class_by_name("cgthree");
1876 }
1877
1878 static void select_vgahw (const char *p)
1879 {
1880 const char *opts;
1881
1882 assert(vga_interface_type == VGA_NONE);
1883 if (strstart(p, "std", &opts)) {
1884 if (vga_available()) {
1885 vga_interface_type = VGA_STD;
1886 } else {
1887 fprintf(stderr, "Error: standard VGA not available\n");
1888 exit(0);
1889 }
1890 } else if (strstart(p, "cirrus", &opts)) {
1891 if (cirrus_vga_available()) {
1892 vga_interface_type = VGA_CIRRUS;
1893 } else {
1894 fprintf(stderr, "Error: Cirrus VGA not available\n");
1895 exit(0);
1896 }
1897 } else if (strstart(p, "vmware", &opts)) {
1898 if (vmware_vga_available()) {
1899 vga_interface_type = VGA_VMWARE;
1900 } else {
1901 fprintf(stderr, "Error: VMWare SVGA not available\n");
1902 exit(0);
1903 }
1904 } else if (strstart(p, "xenfb", &opts)) {
1905 vga_interface_type = VGA_XENFB;
1906 } else if (strstart(p, "qxl", &opts)) {
1907 if (qxl_vga_available()) {
1908 vga_interface_type = VGA_QXL;
1909 } else {
1910 fprintf(stderr, "Error: QXL VGA not available\n");
1911 exit(0);
1912 }
1913 } else if (strstart(p, "tcx", &opts)) {
1914 if (tcx_vga_available()) {
1915 vga_interface_type = VGA_TCX;
1916 } else {
1917 fprintf(stderr, "Error: TCX framebuffer not available\n");
1918 exit(0);
1919 }
1920 } else if (strstart(p, "cg3", &opts)) {
1921 if (cg3_vga_available()) {
1922 vga_interface_type = VGA_CG3;
1923 } else {
1924 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1925 exit(0);
1926 }
1927 } else if (!strstart(p, "none", &opts)) {
1928 invalid_vga:
1929 fprintf(stderr, "Unknown vga type: %s\n", p);
1930 exit(1);
1931 }
1932 while (*opts) {
1933 const char *nextopt;
1934
1935 if (strstart(opts, ",retrace=", &nextopt)) {
1936 opts = nextopt;
1937 if (strstart(opts, "dumb", &nextopt))
1938 vga_retrace_method = VGA_RETRACE_DUMB;
1939 else if (strstart(opts, "precise", &nextopt))
1940 vga_retrace_method = VGA_RETRACE_PRECISE;
1941 else goto invalid_vga;
1942 } else goto invalid_vga;
1943 opts = nextopt;
1944 }
1945 }
1946
1947 static DisplayType select_display(const char *p)
1948 {
1949 const char *opts;
1950 DisplayType display = DT_DEFAULT;
1951
1952 if (strstart(p, "sdl", &opts)) {
1953 #ifdef CONFIG_SDL
1954 display = DT_SDL;
1955 while (*opts) {
1956 const char *nextopt;
1957
1958 if (strstart(opts, ",frame=", &nextopt)) {
1959 opts = nextopt;
1960 if (strstart(opts, "on", &nextopt)) {
1961 no_frame = 0;
1962 } else if (strstart(opts, "off", &nextopt)) {
1963 no_frame = 1;
1964 } else {
1965 goto invalid_sdl_args;
1966 }
1967 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1968 opts = nextopt;
1969 if (strstart(opts, "on", &nextopt)) {
1970 alt_grab = 1;
1971 } else if (strstart(opts, "off", &nextopt)) {
1972 alt_grab = 0;
1973 } else {
1974 goto invalid_sdl_args;
1975 }
1976 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1977 opts = nextopt;
1978 if (strstart(opts, "on", &nextopt)) {
1979 ctrl_grab = 1;
1980 } else if (strstart(opts, "off", &nextopt)) {
1981 ctrl_grab = 0;
1982 } else {
1983 goto invalid_sdl_args;
1984 }
1985 } else if (strstart(opts, ",window_close=", &nextopt)) {
1986 opts = nextopt;
1987 if (strstart(opts, "on", &nextopt)) {
1988 no_quit = 0;
1989 } else if (strstart(opts, "off", &nextopt)) {
1990 no_quit = 1;
1991 } else {
1992 goto invalid_sdl_args;
1993 }
1994 } else if (strstart(opts, ",gl=", &nextopt)) {
1995 opts = nextopt;
1996 if (strstart(opts, "on", &nextopt)) {
1997 request_opengl = 1;
1998 } else if (strstart(opts, "off", &nextopt)) {
1999 request_opengl = 0;
2000 } else {
2001 goto invalid_sdl_args;
2002 }
2003 } else {
2004 invalid_sdl_args:
2005 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2006 exit(1);
2007 }
2008 opts = nextopt;
2009 }
2010 #else
2011 fprintf(stderr, "SDL support is disabled\n");
2012 exit(1);
2013 #endif
2014 } else if (strstart(p, "vnc", &opts)) {
2015 #ifdef CONFIG_VNC
2016 if (*opts == '=') {
2017 if (vnc_parse_func(opts+1) == NULL) {
2018 exit(1);
2019 }
2020 } else {
2021 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2022 exit(1);
2023 }
2024 #else
2025 fprintf(stderr, "VNC support is disabled\n");
2026 exit(1);
2027 #endif
2028 } else if (strstart(p, "curses", &opts)) {
2029 #ifdef CONFIG_CURSES
2030 display = DT_CURSES;
2031 #else
2032 fprintf(stderr, "Curses support is disabled\n");
2033 exit(1);
2034 #endif
2035 } else if (strstart(p, "gtk", &opts)) {
2036 #ifdef CONFIG_GTK
2037 display = DT_GTK;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2042 opts = nextopt;
2043 if (strstart(opts, "on", &nextopt)) {
2044 grab_on_hover = true;
2045 } else if (strstart(opts, "off", &nextopt)) {
2046 grab_on_hover = false;
2047 } else {
2048 goto invalid_gtk_args;
2049 }
2050 } else if (strstart(opts, ",gl=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "on", &nextopt)) {
2053 request_opengl = 1;
2054 } else if (strstart(opts, "off", &nextopt)) {
2055 request_opengl = 0;
2056 } else {
2057 goto invalid_gtk_args;
2058 }
2059 } else {
2060 invalid_gtk_args:
2061 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2062 exit(1);
2063 }
2064 opts = nextopt;
2065 }
2066 #else
2067 fprintf(stderr, "GTK support is disabled\n");
2068 exit(1);
2069 #endif
2070 } else if (strstart(p, "none", &opts)) {
2071 display = DT_NONE;
2072 } else {
2073 fprintf(stderr, "Unknown display type: %s\n", p);
2074 exit(1);
2075 }
2076
2077 return display;
2078 }
2079
2080 static int balloon_parse(const char *arg)
2081 {
2082 QemuOpts *opts;
2083
2084 if (strcmp(arg, "none") == 0) {
2085 return 0;
2086 }
2087
2088 if (!strncmp(arg, "virtio", 6)) {
2089 if (arg[6] == ',') {
2090 /* have params -> parse them */
2091 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2092 if (!opts)
2093 return -1;
2094 } else {
2095 /* create empty opts */
2096 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2097 &error_abort);
2098 }
2099 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2100 return 0;
2101 }
2102
2103 return -1;
2104 }
2105
2106 char *qemu_find_file(int type, const char *name)
2107 {
2108 int i;
2109 const char *subdir;
2110 char *buf;
2111
2112 /* Try the name as a straight path first */
2113 if (access(name, R_OK) == 0) {
2114 trace_load_file(name, name);
2115 return g_strdup(name);
2116 }
2117
2118 switch (type) {
2119 case QEMU_FILE_TYPE_BIOS:
2120 subdir = "";
2121 break;
2122 case QEMU_FILE_TYPE_KEYMAP:
2123 subdir = "keymaps/";
2124 break;
2125 default:
2126 abort();
2127 }
2128
2129 for (i = 0; i < data_dir_idx; i++) {
2130 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2131 if (access(buf, R_OK) == 0) {
2132 trace_load_file(name, buf);
2133 return buf;
2134 }
2135 g_free(buf);
2136 }
2137 return NULL;
2138 }
2139
2140 static int device_help_func(QemuOpts *opts, void *opaque)
2141 {
2142 return qdev_device_help(opts);
2143 }
2144
2145 static int device_init_func(QemuOpts *opts, void *opaque)
2146 {
2147 DeviceState *dev;
2148
2149 dev = qdev_device_add(opts);
2150 if (!dev)
2151 return -1;
2152 object_unref(OBJECT(dev));
2153 return 0;
2154 }
2155
2156 static int chardev_init_func(QemuOpts *opts, void *opaque)
2157 {
2158 Error *local_err = NULL;
2159
2160 qemu_chr_new_from_opts(opts, NULL, &local_err);
2161 if (local_err) {
2162 error_report_err(local_err);
2163 return -1;
2164 }
2165 return 0;
2166 }
2167
2168 #ifdef CONFIG_VIRTFS
2169 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2170 {
2171 int ret;
2172 ret = qemu_fsdev_add(opts);
2173
2174 return ret;
2175 }
2176 #endif
2177
2178 static int mon_init_func(QemuOpts *opts, void *opaque)
2179 {
2180 CharDriverState *chr;
2181 const char *chardev;
2182 const char *mode;
2183 int flags;
2184
2185 mode = qemu_opt_get(opts, "mode");
2186 if (mode == NULL) {
2187 mode = "readline";
2188 }
2189 if (strcmp(mode, "readline") == 0) {
2190 flags = MONITOR_USE_READLINE;
2191 } else if (strcmp(mode, "control") == 0) {
2192 flags = MONITOR_USE_CONTROL;
2193 } else {
2194 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2195 exit(1);
2196 }
2197
2198 if (qemu_opt_get_bool(opts, "pretty", 0))
2199 flags |= MONITOR_USE_PRETTY;
2200
2201 if (qemu_opt_get_bool(opts, "default", 0))
2202 flags |= MONITOR_IS_DEFAULT;
2203
2204 chardev = qemu_opt_get(opts, "chardev");
2205 chr = qemu_chr_find(chardev);
2206 if (chr == NULL) {
2207 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2208 exit(1);
2209 }
2210
2211 qemu_chr_fe_claim_no_fail(chr);
2212 monitor_init(chr, flags);
2213 return 0;
2214 }
2215
2216 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2217 {
2218 static int monitor_device_index = 0;
2219 Error *local_err = NULL;
2220 QemuOpts *opts;
2221 const char *p;
2222 char label[32];
2223 int def = 0;
2224
2225 if (strstart(optarg, "chardev:", &p)) {
2226 snprintf(label, sizeof(label), "%s", p);
2227 } else {
2228 snprintf(label, sizeof(label), "compat_monitor%d",
2229 monitor_device_index);
2230 if (monitor_device_index == 0) {
2231 def = 1;
2232 }
2233 opts = qemu_chr_parse_compat(label, optarg);
2234 if (!opts) {
2235 fprintf(stderr, "parse error: %s\n", optarg);
2236 exit(1);
2237 }
2238 }
2239
2240 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2241 if (!opts) {
2242 error_report_err(local_err);
2243 exit(1);
2244 }
2245 qemu_opt_set(opts, "mode", mode, &error_abort);
2246 qemu_opt_set(opts, "chardev", label, &error_abort);
2247 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2248 if (def)
2249 qemu_opt_set(opts, "default", "on", &error_abort);
2250 monitor_device_index++;
2251 }
2252
2253 struct device_config {
2254 enum {
2255 DEV_USB, /* -usbdevice */
2256 DEV_BT, /* -bt */
2257 DEV_SERIAL, /* -serial */
2258 DEV_PARALLEL, /* -parallel */
2259 DEV_VIRTCON, /* -virtioconsole */
2260 DEV_DEBUGCON, /* -debugcon */
2261 DEV_GDB, /* -gdb, -s */
2262 DEV_SCLP, /* s390 sclp */
2263 } type;
2264 const char *cmdline;
2265 Location loc;
2266 QTAILQ_ENTRY(device_config) next;
2267 };
2268
2269 static QTAILQ_HEAD(, device_config) device_configs =
2270 QTAILQ_HEAD_INITIALIZER(device_configs);
2271
2272 static void add_device_config(int type, const char *cmdline)
2273 {
2274 struct device_config *conf;
2275
2276 conf = g_malloc0(sizeof(*conf));
2277 conf->type = type;
2278 conf->cmdline = cmdline;
2279 loc_save(&conf->loc);
2280 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2281 }
2282
2283 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2284 {
2285 struct device_config *conf;
2286 int rc;
2287
2288 QTAILQ_FOREACH(conf, &device_configs, next) {
2289 if (conf->type != type)
2290 continue;
2291 loc_push_restore(&conf->loc);
2292 rc = func(conf->cmdline);
2293 loc_pop(&conf->loc);
2294 if (rc) {
2295 return rc;
2296 }
2297 }
2298 return 0;
2299 }
2300
2301 static int serial_parse(const char *devname)
2302 {
2303 static int index = 0;
2304 char label[32];
2305
2306 if (strcmp(devname, "none") == 0)
2307 return 0;
2308 if (index == MAX_SERIAL_PORTS) {
2309 fprintf(stderr, "qemu: too many serial ports\n");
2310 exit(1);
2311 }
2312 snprintf(label, sizeof(label), "serial%d", index);
2313 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2314 if (!serial_hds[index]) {
2315 fprintf(stderr, "qemu: could not connect serial device"
2316 " to character backend '%s'\n", devname);
2317 return -1;
2318 }
2319 index++;
2320 return 0;
2321 }
2322
2323 static int parallel_parse(const char *devname)
2324 {
2325 static int index = 0;
2326 char label[32];
2327
2328 if (strcmp(devname, "none") == 0)
2329 return 0;
2330 if (index == MAX_PARALLEL_PORTS) {
2331 fprintf(stderr, "qemu: too many parallel ports\n");
2332 exit(1);
2333 }
2334 snprintf(label, sizeof(label), "parallel%d", index);
2335 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2336 if (!parallel_hds[index]) {
2337 fprintf(stderr, "qemu: could not connect parallel device"
2338 " to character backend '%s'\n", devname);
2339 return -1;
2340 }
2341 index++;
2342 return 0;
2343 }
2344
2345 static int virtcon_parse(const char *devname)
2346 {
2347 QemuOptsList *device = qemu_find_opts("device");
2348 static int index = 0;
2349 char label[32];
2350 QemuOpts *bus_opts, *dev_opts;
2351
2352 if (strcmp(devname, "none") == 0)
2353 return 0;
2354 if (index == MAX_VIRTIO_CONSOLES) {
2355 fprintf(stderr, "qemu: too many virtio consoles\n");
2356 exit(1);
2357 }
2358
2359 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2360 if (arch_type == QEMU_ARCH_S390X) {
2361 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2362 } else {
2363 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2364 }
2365
2366 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2367 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2368
2369 snprintf(label, sizeof(label), "virtcon%d", index);
2370 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2371 if (!virtcon_hds[index]) {
2372 fprintf(stderr, "qemu: could not connect virtio console"
2373 " to character backend '%s'\n", devname);
2374 return -1;
2375 }
2376 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2377
2378 index++;
2379 return 0;
2380 }
2381
2382 static int sclp_parse(const char *devname)
2383 {
2384 QemuOptsList *device = qemu_find_opts("device");
2385 static int index = 0;
2386 char label[32];
2387 QemuOpts *dev_opts;
2388
2389 if (strcmp(devname, "none") == 0) {
2390 return 0;
2391 }
2392 if (index == MAX_SCLP_CONSOLES) {
2393 fprintf(stderr, "qemu: too many sclp consoles\n");
2394 exit(1);
2395 }
2396
2397 assert(arch_type == QEMU_ARCH_S390X);
2398
2399 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2400 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2401
2402 snprintf(label, sizeof(label), "sclpcon%d", index);
2403 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2404 if (!sclp_hds[index]) {
2405 fprintf(stderr, "qemu: could not connect sclp console"
2406 " to character backend '%s'\n", devname);
2407 return -1;
2408 }
2409 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2410
2411 index++;
2412 return 0;
2413 }
2414
2415 static int debugcon_parse(const char *devname)
2416 {
2417 QemuOpts *opts;
2418
2419 if (!qemu_chr_new("debugcon", devname, NULL)) {
2420 exit(1);
2421 }
2422 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2423 if (!opts) {
2424 fprintf(stderr, "qemu: already have a debugcon device\n");
2425 exit(1);
2426 }
2427 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2428 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2429 return 0;
2430 }
2431
2432 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2433 {
2434 const MachineClass *mc1 = a, *mc2 = b;
2435 int res;
2436
2437 if (mc1->family == NULL) {
2438 if (mc2->family == NULL) {
2439 /* Compare standalone machine types against each other; they sort
2440 * in increasing order.
2441 */
2442 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2443 object_class_get_name(OBJECT_CLASS(mc2)));
2444 }
2445
2446 /* Standalone machine types sort after families. */
2447 return 1;
2448 }
2449
2450 if (mc2->family == NULL) {
2451 /* Families sort before standalone machine types. */
2452 return -1;
2453 }
2454
2455 /* Families sort between each other alphabetically increasingly. */
2456 res = strcmp(mc1->family, mc2->family);
2457 if (res != 0) {
2458 return res;
2459 }
2460
2461 /* Within the same family, machine types sort in decreasing order. */
2462 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2463 object_class_get_name(OBJECT_CLASS(mc1)));
2464 }
2465
2466 static MachineClass *machine_parse(const char *name)
2467 {
2468 MachineClass *mc = NULL;
2469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2470
2471 if (name) {
2472 mc = find_machine(name);
2473 }
2474 if (mc) {
2475 g_slist_free(machines);
2476 return mc;
2477 }
2478 if (name && !is_help_option(name)) {
2479 error_report("Unsupported machine type");
2480 error_printf("Use -machine help to list supported machines!\n");
2481 } else {
2482 printf("Supported machines are:\n");
2483 machines = g_slist_sort(machines, machine_class_cmp);
2484 for (el = machines; el; el = el->next) {
2485 MachineClass *mc = el->data;
2486 if (mc->alias) {
2487 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2488 }
2489 printf("%-20s %s%s\n", mc->name, mc->desc,
2490 mc->is_default ? " (default)" : "");
2491 }
2492 }
2493
2494 g_slist_free(machines);
2495 exit(!name || !is_help_option(name));
2496 }
2497
2498 void qemu_add_exit_notifier(Notifier *notify)
2499 {
2500 notifier_list_add(&exit_notifiers, notify);
2501 }
2502
2503 void qemu_remove_exit_notifier(Notifier *notify)
2504 {
2505 notifier_remove(notify);
2506 }
2507
2508 static void qemu_run_exit_notifiers(void)
2509 {
2510 notifier_list_notify(&exit_notifiers, NULL);
2511 }
2512
2513 void qemu_add_machine_init_done_notifier(Notifier *notify)
2514 {
2515 notifier_list_add(&machine_init_done_notifiers, notify);
2516 }
2517
2518 static void qemu_run_machine_init_done_notifiers(void)
2519 {
2520 notifier_list_notify(&machine_init_done_notifiers, NULL);
2521 }
2522
2523 static const QEMUOption *lookup_opt(int argc, char **argv,
2524 const char **poptarg, int *poptind)
2525 {
2526 const QEMUOption *popt;
2527 int optind = *poptind;
2528 char *r = argv[optind];
2529 const char *optarg;
2530
2531 loc_set_cmdline(argv, optind, 1);
2532 optind++;
2533 /* Treat --foo the same as -foo. */
2534 if (r[1] == '-')
2535 r++;
2536 popt = qemu_options;
2537 for(;;) {
2538 if (!popt->name) {
2539 error_report("invalid option");
2540 exit(1);
2541 }
2542 if (!strcmp(popt->name, r + 1))
2543 break;
2544 popt++;
2545 }
2546 if (popt->flags & HAS_ARG) {
2547 if (optind >= argc) {
2548 error_report("requires an argument");
2549 exit(1);
2550 }
2551 optarg = argv[optind++];
2552 loc_set_cmdline(argv, optind - 2, 2);
2553 } else {
2554 optarg = NULL;
2555 }
2556
2557 *poptarg = optarg;
2558 *poptind = optind;
2559
2560 return popt;
2561 }
2562
2563 static gpointer malloc_and_trace(gsize n_bytes)
2564 {
2565 void *ptr = malloc(n_bytes);
2566 trace_g_malloc(n_bytes, ptr);
2567 return ptr;
2568 }
2569
2570 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2571 {
2572 void *ptr = realloc(mem, n_bytes);
2573 trace_g_realloc(mem, n_bytes, ptr);
2574 return ptr;
2575 }
2576
2577 static void free_and_trace(gpointer mem)
2578 {
2579 trace_g_free(mem);
2580 free(mem);
2581 }
2582
2583 static int machine_set_property(const char *name, const char *value,
2584 void *opaque)
2585 {
2586 Object *obj = OBJECT(opaque);
2587 Error *local_err = NULL;
2588 char *c, *qom_name;
2589
2590 if (strcmp(name, "type") == 0) {
2591 return 0;
2592 }
2593
2594 qom_name = g_strdup(name);
2595 c = qom_name;
2596 while (*c++) {
2597 if (*c == '_') {
2598 *c = '-';
2599 }
2600 }
2601
2602 object_property_parse(obj, value, qom_name, &local_err);
2603 g_free(qom_name);
2604
2605 if (local_err) {
2606 error_report_err(local_err);
2607 return -1;
2608 }
2609
2610 return 0;
2611 }
2612
2613 static int object_create(QemuOpts *opts, void *opaque)
2614 {
2615 Error *err = NULL;
2616 char *type = NULL;
2617 char *id = NULL;
2618 void *dummy = NULL;
2619 OptsVisitor *ov;
2620 QDict *pdict;
2621
2622 ov = opts_visitor_new(opts);
2623 pdict = qemu_opts_to_qdict(opts, NULL);
2624
2625 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2626 if (err) {
2627 goto out;
2628 }
2629
2630 qdict_del(pdict, "qom-type");
2631 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2632 if (err) {
2633 goto out;
2634 }
2635
2636 qdict_del(pdict, "id");
2637 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2638 if (err) {
2639 goto out;
2640 }
2641
2642 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2643 if (err) {
2644 goto out;
2645 }
2646 visit_end_struct(opts_get_visitor(ov), &err);
2647 if (err) {
2648 qmp_object_del(id, NULL);
2649 }
2650
2651 out:
2652 opts_visitor_cleanup(ov);
2653
2654 QDECREF(pdict);
2655 g_free(id);
2656 g_free(type);
2657 g_free(dummy);
2658 if (err) {
2659 error_report_err(err);
2660 return -1;
2661 }
2662 return 0;
2663 }
2664
2665 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2666 {
2667 uint64_t sz;
2668 const char *mem_str;
2669 const char *maxmem_str, *slots_str;
2670 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2671 1024 * 1024;
2672 QemuOpts *opts = qemu_find_opts_singleton("memory");
2673
2674 sz = 0;
2675 mem_str = qemu_opt_get(opts, "size");
2676 if (mem_str) {
2677 if (!*mem_str) {
2678 error_report("missing 'size' option value");
2679 exit(EXIT_FAILURE);
2680 }
2681
2682 sz = qemu_opt_get_size(opts, "size", ram_size);
2683
2684 /* Fix up legacy suffix-less format */
2685 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2686 uint64_t overflow_check = sz;
2687
2688 sz <<= 20;
2689 if ((sz >> 20) != overflow_check) {
2690 error_report("too large 'size' option value");
2691 exit(EXIT_FAILURE);
2692 }
2693 }
2694 }
2695
2696 /* backward compatibility behaviour for case "-m 0" */
2697 if (sz == 0) {
2698 sz = default_ram_size;
2699 }
2700
2701 sz = QEMU_ALIGN_UP(sz, 8192);
2702 ram_size = sz;
2703 if (ram_size != sz) {
2704 error_report("ram size too large");
2705 exit(EXIT_FAILURE);
2706 }
2707
2708 /* store value for the future use */
2709 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2710 *maxram_size = ram_size;
2711
2712 maxmem_str = qemu_opt_get(opts, "maxmem");
2713 slots_str = qemu_opt_get(opts, "slots");
2714 if (maxmem_str && slots_str) {
2715 uint64_t slots;
2716
2717 sz = qemu_opt_get_size(opts, "maxmem", 0);
2718 slots = qemu_opt_get_number(opts, "slots", 0);
2719 if (sz < ram_size) {
2720 error_report("invalid value of -m option maxmem: "
2721 "maximum memory size (0x%" PRIx64 ") must be at least "
2722 "the initial memory size (0x" RAM_ADDR_FMT ")",
2723 sz, ram_size);
2724 exit(EXIT_FAILURE);
2725 } else if (sz > ram_size) {
2726 if (!slots) {
2727 error_report("invalid value of -m option: maxmem was "
2728 "specified, but no hotplug slots were specified");
2729 exit(EXIT_FAILURE);
2730 }
2731 } else if (slots) {
2732 error_report("invalid value of -m option maxmem: "
2733 "memory slots were specified but maximum memory size "
2734 "(0x%" PRIx64 ") is equal to the initial memory size "
2735 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2736 exit(EXIT_FAILURE);
2737 }
2738
2739 *maxram_size = sz;
2740 *ram_slots = slots;
2741 } else if ((!maxmem_str && slots_str) ||
2742 (maxmem_str && !slots_str)) {
2743 error_report("invalid -m option value: missing "
2744 "'%s' option", slots_str ? "maxmem" : "slots");
2745 exit(EXIT_FAILURE);
2746 }
2747 }
2748
2749 int main(int argc, char **argv, char **envp)
2750 {
2751 int i;
2752 int snapshot, linux_boot;
2753 const char *initrd_filename;
2754 const char *kernel_filename, *kernel_cmdline;
2755 const char *boot_order = NULL;
2756 const char *boot_once = NULL;
2757 DisplayState *ds;
2758 int cyls, heads, secs, translation;
2759 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2760 QemuOptsList *olist;
2761 int optind;
2762 const char *optarg;
2763 const char *loadvm = NULL;
2764 MachineClass *machine_class;
2765 const char *cpu_model;
2766 const char *vga_model = NULL;
2767 const char *qtest_chrdev = NULL;
2768 const char *qtest_log = NULL;
2769 const char *pid_file = NULL;
2770 const char *incoming = NULL;
2771 #ifdef CONFIG_VNC
2772 int show_vnc_port = 0;
2773 #endif
2774 bool defconfig = true;
2775 bool userconfig = true;
2776 const char *log_mask = NULL;
2777 const char *log_file = NULL;
2778 GMemVTable mem_trace = {
2779 .malloc = malloc_and_trace,
2780 .realloc = realloc_and_trace,
2781 .free = free_and_trace,
2782 };
2783 const char *trace_events = NULL;
2784 const char *trace_file = NULL;
2785 ram_addr_t maxram_size;
2786 uint64_t ram_slots = 0;
2787 FILE *vmstate_dump_file = NULL;
2788 Error *main_loop_err = NULL;
2789
2790 qemu_init_cpu_loop();
2791 qemu_mutex_lock_iothread();
2792
2793 atexit(qemu_run_exit_notifiers);
2794 error_set_progname(argv[0]);
2795 qemu_init_exec_dir(argv[0]);
2796
2797 g_mem_set_vtable(&mem_trace);
2798
2799 module_call_init(MODULE_INIT_QOM);
2800
2801 qemu_add_opts(&qemu_drive_opts);
2802 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2803 qemu_add_drive_opts(&qemu_common_drive_opts);
2804 qemu_add_drive_opts(&qemu_drive_opts);
2805 qemu_add_opts(&qemu_chardev_opts);
2806 qemu_add_opts(&qemu_device_opts);
2807 qemu_add_opts(&qemu_netdev_opts);
2808 qemu_add_opts(&qemu_net_opts);
2809 qemu_add_opts(&qemu_rtc_opts);
2810 qemu_add_opts(&qemu_global_opts);
2811 qemu_add_opts(&qemu_mon_opts);
2812 qemu_add_opts(&qemu_trace_opts);
2813 qemu_add_opts(&qemu_option_rom_opts);
2814 qemu_add_opts(&qemu_machine_opts);
2815 qemu_add_opts(&qemu_mem_opts);
2816 qemu_add_opts(&qemu_smp_opts);
2817 qemu_add_opts(&qemu_boot_opts);
2818 qemu_add_opts(&qemu_sandbox_opts);
2819 qemu_add_opts(&qemu_add_fd_opts);
2820 qemu_add_opts(&qemu_object_opts);
2821 qemu_add_opts(&qemu_tpmdev_opts);
2822 qemu_add_opts(&qemu_realtime_opts);
2823 qemu_add_opts(&qemu_msg_opts);
2824 qemu_add_opts(&qemu_name_opts);
2825 qemu_add_opts(&qemu_numa_opts);
2826 qemu_add_opts(&qemu_icount_opts);
2827 qemu_add_opts(&qemu_semihosting_config_opts);
2828
2829 runstate_init();
2830
2831 rtc_clock = QEMU_CLOCK_HOST;
2832
2833 QLIST_INIT (&vm_change_state_head);
2834 os_setup_early_signal_handling();
2835
2836 module_call_init(MODULE_INIT_MACHINE);
2837 machine_class = find_default_machine();
2838 cpu_model = NULL;
2839 snapshot = 0;
2840 cyls = heads = secs = 0;
2841 translation = BIOS_ATA_TRANSLATION_AUTO;
2842
2843 nb_nics = 0;
2844
2845 bdrv_init_with_whitelist();
2846
2847 autostart = 1;
2848
2849 /* first pass of option parsing */
2850 optind = 1;
2851 while (optind < argc) {
2852 if (argv[optind][0] != '-') {
2853 /* disk image */
2854 optind++;
2855 } else {
2856 const QEMUOption *popt;
2857
2858 popt = lookup_opt(argc, argv, &optarg, &optind);
2859 switch (popt->index) {
2860 case QEMU_OPTION_nodefconfig:
2861 defconfig = false;
2862 break;
2863 case QEMU_OPTION_nouserconfig:
2864 userconfig = false;
2865 break;
2866 }
2867 }
2868 }
2869
2870 if (defconfig) {
2871 int ret;
2872 ret = qemu_read_default_config_files(userconfig);
2873 if (ret < 0) {
2874 exit(1);
2875 }
2876 }
2877
2878 /* second pass of option parsing */
2879 optind = 1;
2880 for(;;) {
2881 if (optind >= argc)
2882 break;
2883 if (argv[optind][0] != '-') {
2884 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2885 } else {
2886 const QEMUOption *popt;
2887
2888 popt = lookup_opt(argc, argv, &optarg, &optind);
2889 if (!(popt->arch_mask & arch_type)) {
2890 printf("Option %s not supported for this target\n", popt->name);
2891 exit(1);
2892 }
2893 switch(popt->index) {
2894 case QEMU_OPTION_no_kvm_irqchip: {
2895 olist = qemu_find_opts("machine");
2896 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2897 break;
2898 }
2899 case QEMU_OPTION_cpu:
2900 /* hw initialization will check this */
2901 cpu_model = optarg;
2902 break;
2903 case QEMU_OPTION_hda:
2904 {
2905 char buf[256];
2906 if (cyls == 0)
2907 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2908 else
2909 snprintf(buf, sizeof(buf),
2910 "%s,cyls=%d,heads=%d,secs=%d%s",
2911 HD_OPTS , cyls, heads, secs,
2912 translation == BIOS_ATA_TRANSLATION_LBA ?
2913 ",trans=lba" :
2914 translation == BIOS_ATA_TRANSLATION_NONE ?
2915 ",trans=none" : "");
2916 drive_add(IF_DEFAULT, 0, optarg, buf);
2917 break;
2918 }
2919 case QEMU_OPTION_hdb:
2920 case QEMU_OPTION_hdc:
2921 case QEMU_OPTION_hdd:
2922 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2923 HD_OPTS);
2924 break;
2925 case QEMU_OPTION_drive:
2926 if (drive_def(optarg) == NULL) {
2927 exit(1);
2928 }
2929 break;
2930 case QEMU_OPTION_set:
2931 if (qemu_set_option(optarg) != 0)
2932 exit(1);
2933 break;
2934 case QEMU_OPTION_global:
2935 if (qemu_global_option(optarg) != 0)
2936 exit(1);
2937 break;
2938 case QEMU_OPTION_mtdblock:
2939 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2940 break;
2941 case QEMU_OPTION_sd:
2942 drive_add(IF_SD, -1, optarg, SD_OPTS);
2943 break;
2944 case QEMU_OPTION_pflash:
2945 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2946 break;
2947 case QEMU_OPTION_snapshot:
2948 snapshot = 1;
2949 break;
2950 case QEMU_OPTION_hdachs:
2951 {
2952 const char *p;
2953 p = optarg;
2954 cyls = strtol(p, (char **)&p, 0);
2955 if (cyls < 1 || cyls > 16383)
2956 goto chs_fail;
2957 if (*p != ',')
2958 goto chs_fail;
2959 p++;
2960 heads = strtol(p, (char **)&p, 0);
2961 if (heads < 1 || heads > 16)
2962 goto chs_fail;
2963 if (*p != ',')
2964 goto chs_fail;
2965 p++;
2966 secs = strtol(p, (char **)&p, 0);
2967 if (secs < 1 || secs > 63)
2968 goto chs_fail;
2969 if (*p == ',') {
2970 p++;
2971 if (!strcmp(p, "large")) {
2972 translation = BIOS_ATA_TRANSLATION_LARGE;
2973 } else if (!strcmp(p, "rechs")) {
2974 translation = BIOS_ATA_TRANSLATION_RECHS;
2975 } else if (!strcmp(p, "none")) {
2976 translation = BIOS_ATA_TRANSLATION_NONE;
2977 } else if (!strcmp(p, "lba")) {
2978 translation = BIOS_ATA_TRANSLATION_LBA;
2979 } else if (!strcmp(p, "auto")) {
2980 translation = BIOS_ATA_TRANSLATION_AUTO;
2981 } else {
2982 goto chs_fail;
2983 }
2984 } else if (*p != '\0') {
2985 chs_fail:
2986 fprintf(stderr, "qemu: invalid physical CHS format\n");
2987 exit(1);
2988 }
2989 if (hda_opts != NULL) {
2990 qemu_opt_set_number(hda_opts, "cyls", cyls,
2991 &error_abort);
2992 qemu_opt_set_number(hda_opts, "heads", heads,
2993 &error_abort);
2994 qemu_opt_set_number(hda_opts, "secs", secs,
2995 &error_abort);
2996 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2997 qemu_opt_set(hda_opts, "trans", "large",
2998 &error_abort);
2999 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3000 qemu_opt_set(hda_opts, "trans", "rechs",
3001 &error_abort);
3002 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3003 qemu_opt_set(hda_opts, "trans", "lba",
3004 &error_abort);
3005 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3006 qemu_opt_set(hda_opts, "trans", "none",
3007 &error_abort);
3008 }
3009 }
3010 }
3011 break;
3012 case QEMU_OPTION_numa:
3013 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3014 if (!opts) {
3015 exit(1);
3016 }
3017 break;
3018 case QEMU_OPTION_display:
3019 display_type = select_display(optarg);
3020 break;
3021 case QEMU_OPTION_nographic:
3022 display_type = DT_NOGRAPHIC;
3023 break;
3024 case QEMU_OPTION_curses:
3025 #ifdef CONFIG_CURSES
3026 display_type = DT_CURSES;
3027 #else
3028 fprintf(stderr, "Curses support is disabled\n");
3029 exit(1);
3030 #endif
3031 break;
3032 case QEMU_OPTION_portrait:
3033 graphic_rotate = 90;
3034 break;
3035 case QEMU_OPTION_rotate:
3036 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3037 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3038 graphic_rotate != 180 && graphic_rotate != 270) {
3039 fprintf(stderr,
3040 "qemu: only 90, 180, 270 deg rotation is available\n");
3041 exit(1);
3042 }
3043 break;
3044 case QEMU_OPTION_kernel:
3045 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3046 &error_abort);
3047 break;
3048 case QEMU_OPTION_initrd:
3049 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3050 &error_abort);
3051 break;
3052 case QEMU_OPTION_append:
3053 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3054 &error_abort);
3055 break;
3056 case QEMU_OPTION_dtb:
3057 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3058 &error_abort);
3059 break;
3060 case QEMU_OPTION_cdrom:
3061 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3062 break;
3063 case QEMU_OPTION_boot:
3064 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3065 if (!opts) {
3066 exit(1);
3067 }
3068 break;
3069 case QEMU_OPTION_fda:
3070 case QEMU_OPTION_fdb:
3071 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3072 optarg, FD_OPTS);
3073 break;
3074 case QEMU_OPTION_no_fd_bootchk:
3075 fd_bootchk = 0;
3076 break;
3077 case QEMU_OPTION_netdev:
3078 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3079 exit(1);
3080 }
3081 break;
3082 case QEMU_OPTION_net:
3083 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3084 exit(1);
3085 }
3086 break;
3087 #ifdef CONFIG_LIBISCSI
3088 case QEMU_OPTION_iscsi:
3089 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3090 if (!opts) {
3091 exit(1);
3092 }
3093 break;
3094 #endif
3095 #ifdef CONFIG_SLIRP
3096 case QEMU_OPTION_tftp:
3097 legacy_tftp_prefix = optarg;
3098 break;
3099 case QEMU_OPTION_bootp:
3100 legacy_bootp_filename = optarg;
3101 break;
3102 case QEMU_OPTION_redir:
3103 if (net_slirp_redir(optarg) < 0)
3104 exit(1);
3105 break;
3106 #endif
3107 case QEMU_OPTION_bt:
3108 add_device_config(DEV_BT, optarg);
3109 break;
3110 case QEMU_OPTION_audio_help:
3111 AUD_help ();
3112 exit (0);
3113 break;
3114 case QEMU_OPTION_soundhw:
3115 select_soundhw (optarg);
3116 break;
3117 case QEMU_OPTION_h:
3118 help(0);
3119 break;
3120 case QEMU_OPTION_version:
3121 version();
3122 exit(0);
3123 break;
3124 case QEMU_OPTION_m:
3125 opts = qemu_opts_parse(qemu_find_opts("memory"),
3126 optarg, 1);
3127 if (!opts) {
3128 exit(EXIT_FAILURE);
3129 }
3130 break;
3131 #ifdef CONFIG_TPM
3132 case QEMU_OPTION_tpmdev:
3133 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3134 exit(1);
3135 }
3136 break;
3137 #endif
3138 case QEMU_OPTION_mempath:
3139 mem_path = optarg;
3140 break;
3141 case QEMU_OPTION_mem_prealloc:
3142 mem_prealloc = 1;
3143 break;
3144 case QEMU_OPTION_d:
3145 log_mask = optarg;
3146 break;
3147 case QEMU_OPTION_D:
3148 log_file = optarg;
3149 break;
3150 case QEMU_OPTION_s:
3151 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3152 break;
3153 case QEMU_OPTION_gdb:
3154 add_device_config(DEV_GDB, optarg);
3155 break;
3156 case QEMU_OPTION_L:
3157 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3158 data_dir[data_dir_idx++] = optarg;
3159 }
3160 break;
3161 case QEMU_OPTION_bios:
3162 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3163 &error_abort);
3164 break;
3165 case QEMU_OPTION_singlestep:
3166 singlestep = 1;
3167 break;
3168 case QEMU_OPTION_S:
3169 autostart = 0;
3170 break;
3171 case QEMU_OPTION_k:
3172 keyboard_layout = optarg;
3173 break;
3174 case QEMU_OPTION_localtime:
3175 rtc_utc = 0;
3176 break;
3177 case QEMU_OPTION_vga:
3178 vga_model = optarg;
3179 default_vga = 0;
3180 break;
3181 case QEMU_OPTION_g:
3182 {
3183 const char *p;
3184 int w, h, depth;
3185 p = optarg;
3186 w = strtol(p, (char **)&p, 10);
3187 if (w <= 0) {
3188 graphic_error:
3189 fprintf(stderr, "qemu: invalid resolution or depth\n");
3190 exit(1);
3191 }
3192 if (*p != 'x')
3193 goto graphic_error;
3194 p++;
3195 h = strtol(p, (char **)&p, 10);
3196 if (h <= 0)
3197 goto graphic_error;
3198 if (*p == 'x') {
3199 p++;
3200 depth = strtol(p, (char **)&p, 10);
3201 if (depth != 8 && depth != 15 && depth != 16 &&
3202 depth != 24 && depth != 32)
3203 goto graphic_error;
3204 } else if (*p == '\0') {
3205 depth = graphic_depth;
3206 } else {
3207 goto graphic_error;
3208 }
3209
3210 graphic_width = w;
3211 graphic_height = h;
3212 graphic_depth = depth;
3213 }
3214 break;
3215 case QEMU_OPTION_echr:
3216 {
3217 char *r;
3218 term_escape_char = strtol(optarg, &r, 0);
3219 if (r == optarg)
3220 printf("Bad argument to echr\n");
3221 break;
3222 }
3223 case QEMU_OPTION_monitor:
3224 default_monitor = 0;
3225 if (strncmp(optarg, "none", 4)) {
3226 monitor_parse(optarg, "readline", false);
3227 }
3228 break;
3229 case QEMU_OPTION_qmp:
3230 monitor_parse(optarg, "control", false);
3231 default_monitor = 0;
3232 break;
3233 case QEMU_OPTION_qmp_pretty:
3234 monitor_parse(optarg, "control", true);
3235 default_monitor = 0;
3236 break;
3237 case QEMU_OPTION_mon:
3238 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3239 if (!opts) {
3240 exit(1);
3241 }
3242 default_monitor = 0;
3243 break;
3244 case QEMU_OPTION_chardev:
3245 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3246 if (!opts) {
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_fsdev:
3251 olist = qemu_find_opts("fsdev");
3252 if (!olist) {
3253 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3254 exit(1);
3255 }
3256 opts = qemu_opts_parse(olist, optarg, 1);
3257 if (!opts) {
3258 exit(1);
3259 }
3260 break;
3261 case QEMU_OPTION_virtfs: {
3262 QemuOpts *fsdev;
3263 QemuOpts *device;
3264 const char *writeout, *sock_fd, *socket;
3265
3266 olist = qemu_find_opts("virtfs");
3267 if (!olist) {
3268 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3269 exit(1);
3270 }
3271 opts = qemu_opts_parse(olist, optarg, 1);
3272 if (!opts) {
3273 exit(1);
3274 }
3275
3276 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3277 qemu_opt_get(opts, "mount_tag") == NULL) {
3278 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3279 exit(1);
3280 }
3281 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3282 qemu_opt_get(opts, "mount_tag"),
3283 1, NULL);
3284 if (!fsdev) {
3285 fprintf(stderr, "duplicate fsdev id: %s\n",
3286 qemu_opt_get(opts, "mount_tag"));
3287 exit(1);
3288 }
3289
3290 writeout = qemu_opt_get(opts, "writeout");
3291 if (writeout) {
3292 #ifdef CONFIG_SYNC_FILE_RANGE
3293 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3294 #else
3295 fprintf(stderr, "writeout=immediate not supported on "
3296 "this platform\n");
3297 exit(1);
3298 #endif
3299 }
3300 qemu_opt_set(fsdev, "fsdriver",
3301 qemu_opt_get(opts, "fsdriver"), &error_abort);
3302 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3303 &error_abort);
3304 qemu_opt_set(fsdev, "security_model",
3305 qemu_opt_get(opts, "security_model"),
3306 &error_abort);
3307 socket = qemu_opt_get(opts, "socket");
3308 if (socket) {
3309 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3310 }
3311 sock_fd = qemu_opt_get(opts, "sock_fd");
3312 if (sock_fd) {
3313 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3314 }
3315
3316 qemu_opt_set_bool(fsdev, "readonly",
3317 qemu_opt_get_bool(opts, "readonly", 0),
3318 &error_abort);
3319 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3320 &error_abort);
3321 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3322 qemu_opt_set(device, "fsdev",
3323 qemu_opt_get(opts, "mount_tag"), &error_abort);
3324 qemu_opt_set(device, "mount_tag",
3325 qemu_opt_get(opts, "mount_tag"), &error_abort);
3326 break;
3327 }
3328 case QEMU_OPTION_virtfs_synth: {
3329 QemuOpts *fsdev;
3330 QemuOpts *device;
3331
3332 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3333 1, NULL);
3334 if (!fsdev) {
3335 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3336 exit(1);
3337 }
3338 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3339
3340 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3341 &error_abort);
3342 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3343 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3344 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3345 break;
3346 }
3347 case QEMU_OPTION_serial:
3348 add_device_config(DEV_SERIAL, optarg);
3349 default_serial = 0;
3350 if (strncmp(optarg, "mon:", 4) == 0) {
3351 default_monitor = 0;
3352 }
3353 break;
3354 case QEMU_OPTION_watchdog:
3355 if (watchdog) {
3356 fprintf(stderr,
3357 "qemu: only one watchdog option may be given\n");
3358 return 1;
3359 }
3360 watchdog = optarg;
3361 break;
3362 case QEMU_OPTION_watchdog_action:
3363 if (select_watchdog_action(optarg) == -1) {
3364 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3365 exit(1);
3366 }
3367 break;
3368 case QEMU_OPTION_virtiocon:
3369 add_device_config(DEV_VIRTCON, optarg);
3370 default_virtcon = 0;
3371 if (strncmp(optarg, "mon:", 4) == 0) {
3372 default_monitor = 0;
3373 }
3374 break;
3375 case QEMU_OPTION_parallel:
3376 add_device_config(DEV_PARALLEL, optarg);
3377 default_parallel = 0;
3378 if (strncmp(optarg, "mon:", 4) == 0) {
3379 default_monitor = 0;
3380 }
3381 break;
3382 case QEMU_OPTION_debugcon:
3383 add_device_config(DEV_DEBUGCON, optarg);
3384 break;
3385 case QEMU_OPTION_loadvm:
3386 loadvm = optarg;
3387 break;
3388 case QEMU_OPTION_full_screen:
3389 full_screen = 1;
3390 break;
3391 case QEMU_OPTION_no_frame:
3392 no_frame = 1;
3393 break;
3394 case QEMU_OPTION_alt_grab:
3395 alt_grab = 1;
3396 break;
3397 case QEMU_OPTION_ctrl_grab:
3398 ctrl_grab = 1;
3399 break;
3400 case QEMU_OPTION_no_quit:
3401 no_quit = 1;
3402 break;
3403 case QEMU_OPTION_sdl:
3404 #ifdef CONFIG_SDL
3405 display_type = DT_SDL;
3406 break;
3407 #else
3408 fprintf(stderr, "SDL support is disabled\n");
3409 exit(1);
3410 #endif
3411 case QEMU_OPTION_pidfile:
3412 pid_file = optarg;
3413 break;
3414 case QEMU_OPTION_win2k_hack:
3415 win2k_install_hack = 1;
3416 break;
3417 case QEMU_OPTION_rtc_td_hack: {
3418 static GlobalProperty slew_lost_ticks[] = {
3419 {
3420 .driver = "mc146818rtc",
3421 .property = "lost_tick_policy",
3422 .value = "slew",
3423 },
3424 { /* end of list */ }
3425 };
3426
3427 qdev_prop_register_global_list(slew_lost_ticks);
3428 break;
3429 }
3430 case QEMU_OPTION_acpitable:
3431 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3432 if (!opts) {
3433 exit(1);
3434 }
3435 do_acpitable_option(opts);
3436 break;
3437 case QEMU_OPTION_smbios:
3438 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 do_smbios_option(opts);
3443 break;
3444 case QEMU_OPTION_enable_kvm:
3445 olist = qemu_find_opts("machine");
3446 qemu_opts_parse(olist, "accel=kvm", 0);
3447 break;
3448 case QEMU_OPTION_M:
3449 case QEMU_OPTION_machine:
3450 olist = qemu_find_opts("machine");
3451 opts = qemu_opts_parse(olist, optarg, 1);
3452 if (!opts) {
3453 exit(1);
3454 }
3455 break;
3456 case QEMU_OPTION_no_kvm:
3457 olist = qemu_find_opts("machine");
3458 qemu_opts_parse(olist, "accel=tcg", 0);
3459 break;
3460 case QEMU_OPTION_no_kvm_pit: {
3461 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3462 "separately.\n");
3463 break;
3464 }
3465 case QEMU_OPTION_no_kvm_pit_reinjection: {
3466 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3467 {
3468 .driver = "kvm-pit",
3469 .property = "lost_tick_policy",
3470 .value = "discard",
3471 },
3472 { /* end of list */ }
3473 };
3474
3475 fprintf(stderr, "Warning: option deprecated, use "
3476 "lost_tick_policy property of kvm-pit instead.\n");
3477 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3478 break;
3479 }
3480 case QEMU_OPTION_usb:
3481 olist = qemu_find_opts("machine");
3482 qemu_opts_parse(olist, "usb=on", 0);
3483 break;
3484 case QEMU_OPTION_usbdevice:
3485 olist = qemu_find_opts("machine");
3486 qemu_opts_parse(olist, "usb=on", 0);
3487 add_device_config(DEV_USB, optarg);
3488 break;
3489 case QEMU_OPTION_device:
3490 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3491 exit(1);
3492 }
3493 break;
3494 case QEMU_OPTION_smp:
3495 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3496 exit(1);
3497 }
3498 break;
3499 case QEMU_OPTION_vnc:
3500 #ifdef CONFIG_VNC
3501 if (vnc_parse_func(optarg) == NULL) {
3502 exit(1);
3503 }
3504 #else
3505 fprintf(stderr, "VNC support is disabled\n");
3506 exit(1);
3507 #endif
3508 break;
3509 case QEMU_OPTION_no_acpi:
3510 acpi_enabled = 0;
3511 break;
3512 case QEMU_OPTION_no_hpet:
3513 no_hpet = 1;
3514 break;
3515 case QEMU_OPTION_balloon:
3516 if (balloon_parse(optarg) < 0) {
3517 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3518 exit(1);
3519 }
3520 break;
3521 case QEMU_OPTION_no_reboot:
3522 no_reboot = 1;
3523 break;
3524 case QEMU_OPTION_no_shutdown:
3525 no_shutdown = 1;
3526 break;
3527 case QEMU_OPTION_show_cursor:
3528 cursor_hide = 0;
3529 break;
3530 case QEMU_OPTION_uuid:
3531 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3532 fprintf(stderr, "Fail to parse UUID string."
3533 " Wrong format.\n");
3534 exit(1);
3535 }
3536 qemu_uuid_set = true;
3537 break;
3538 case QEMU_OPTION_option_rom:
3539 if (nb_option_roms >= MAX_OPTION_ROMS) {
3540 fprintf(stderr, "Too many option ROMs\n");
3541 exit(1);
3542 }
3543 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3544 if (!opts) {
3545 exit(1);
3546 }
3547 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3548 option_rom[nb_option_roms].bootindex =
3549 qemu_opt_get_number(opts, "bootindex", -1);
3550 if (!option_rom[nb_option_roms].name) {
3551 fprintf(stderr, "Option ROM file is not specified\n");
3552 exit(1);
3553 }
3554 nb_option_roms++;
3555 break;
3556 case QEMU_OPTION_semihosting:
3557 semihosting_enabled = 1;
3558 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3559 break;
3560 case QEMU_OPTION_semihosting_config:
3561 semihosting_enabled = 1;
3562 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3563 optarg, 0);
3564 if (opts != NULL) {
3565 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3566 true);
3567 const char *target = qemu_opt_get(opts, "target");
3568 if (target != NULL) {
3569 if (strcmp("native", target) == 0) {
3570 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3571 } else if (strcmp("gdb", target) == 0) {
3572 semihosting_target = SEMIHOSTING_TARGET_GDB;
3573 } else if (strcmp("auto", target) == 0) {
3574 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3575 } else {
3576 fprintf(stderr, "Unsupported semihosting-config"
3577 " %s\n",
3578 optarg);
3579 exit(1);
3580 }
3581 } else {
3582 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3583 }
3584 } else {
3585 fprintf(stderr, "Unsupported semihosting-config %s\n",
3586 optarg);
3587 exit(1);
3588 }
3589 break;
3590 case QEMU_OPTION_tdf:
3591 fprintf(stderr, "Warning: user space PIT time drift fix "
3592 "is no longer supported.\n");
3593 break;
3594 case QEMU_OPTION_name:
3595 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3596 if (!opts) {
3597 exit(1);
3598 }
3599 break;
3600 case QEMU_OPTION_prom_env:
3601 if (nb_prom_envs >= MAX_PROM_ENVS) {
3602 fprintf(stderr, "Too many prom variables\n");
3603 exit(1);
3604 }
3605 prom_envs[nb_prom_envs] = optarg;
3606 nb_prom_envs++;
3607 break;
3608 case QEMU_OPTION_old_param:
3609 old_param = 1;
3610 break;
3611 case QEMU_OPTION_clock:
3612 /* Clock options no longer exist. Keep this option for
3613 * backward compatibility.
3614 */
3615 break;
3616 case QEMU_OPTION_startdate:
3617 configure_rtc_date_offset(optarg, 1);
3618 break;
3619 case QEMU_OPTION_rtc:
3620 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3621 if (!opts) {
3622 exit(1);
3623 }
3624 configure_rtc(opts);
3625 break;
3626 case QEMU_OPTION_tb_size:
3627 tcg_tb_size = strtol(optarg, NULL, 0);
3628 if (tcg_tb_size < 0) {
3629 tcg_tb_size = 0;
3630 }
3631 break;
3632 case QEMU_OPTION_icount:
3633 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3634 optarg, 1);
3635 if (!icount_opts) {
3636 exit(1);
3637 }
3638 break;
3639 case QEMU_OPTION_incoming:
3640 if (!incoming) {
3641 runstate_set(RUN_STATE_INMIGRATE);
3642 }
3643 incoming = optarg;
3644 break;
3645 case QEMU_OPTION_nodefaults:
3646 has_defaults = 0;
3647 break;
3648 case QEMU_OPTION_xen_domid:
3649 if (!(xen_available())) {
3650 printf("Option %s not supported for this target\n", popt->name);
3651 exit(1);
3652 }
3653 xen_domid = atoi(optarg);
3654 break;
3655 case QEMU_OPTION_xen_create:
3656 if (!(xen_available())) {
3657 printf("Option %s not supported for this target\n", popt->name);
3658 exit(1);
3659 }
3660 xen_mode = XEN_CREATE;
3661 break;
3662 case QEMU_OPTION_xen_attach:
3663 if (!(xen_available())) {
3664 printf("Option %s not supported for this target\n", popt->name);
3665 exit(1);
3666 }
3667 xen_mode = XEN_ATTACH;
3668 break;
3669 case QEMU_OPTION_trace:
3670 {
3671 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 trace_events = qemu_opt_get(opts, "events");
3676 trace_file = qemu_opt_get(opts, "file");
3677 break;
3678 }
3679 case QEMU_OPTION_readconfig:
3680 {
3681 int ret = qemu_read_config_file(optarg);
3682 if (ret < 0) {
3683 fprintf(stderr, "read config %s: %s\n", optarg,
3684 strerror(-ret));
3685 exit(1);
3686 }
3687 break;
3688 }
3689 case QEMU_OPTION_spice:
3690 olist = qemu_find_opts("spice");
3691 if (!olist) {
3692 fprintf(stderr, "spice is not supported by this qemu build.\n");
3693 exit(1);
3694 }
3695 opts = qemu_opts_parse(olist, optarg, 0);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 display_remote++;
3700 break;
3701 case QEMU_OPTION_writeconfig:
3702 {
3703 FILE *fp;
3704 if (strcmp(optarg, "-") == 0) {
3705 fp = stdout;
3706 } else {
3707 fp = fopen(optarg, "w");
3708 if (fp == NULL) {
3709 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3710 exit(1);
3711 }
3712 }
3713 qemu_config_write(fp);
3714 if (fp != stdout) {
3715 fclose(fp);
3716 }
3717 break;
3718 }
3719 case QEMU_OPTION_qtest:
3720 qtest_chrdev = optarg;
3721 break;
3722 case QEMU_OPTION_qtest_log:
3723 qtest_log = optarg;
3724 break;
3725 case QEMU_OPTION_sandbox:
3726 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3727 if (!opts) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_add_fd:
3732 #ifndef _WIN32
3733 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 #else
3738 error_report("File descriptor passing is disabled on this "
3739 "platform");
3740 exit(1);
3741 #endif
3742 break;
3743 case QEMU_OPTION_object:
3744 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3745 if (!opts) {
3746 exit(1);
3747 }
3748 break;
3749 case QEMU_OPTION_realtime:
3750 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3755 break;
3756 case QEMU_OPTION_msg:
3757 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3758 if (!opts) {
3759 exit(1);
3760 }
3761 configure_msg(opts);
3762 break;
3763 case QEMU_OPTION_dump_vmstate:
3764 if (vmstate_dump_file) {
3765 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3766 "option may be given\n");
3767 exit(1);
3768 }
3769 vmstate_dump_file = fopen(optarg, "w");
3770 if (vmstate_dump_file == NULL) {
3771 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3772 exit(1);
3773 }
3774 break;
3775 default:
3776 os_parse_cmd_args(popt->index, optarg);
3777 }
3778 }
3779 }
3780
3781 opts = qemu_get_machine_opts();
3782 optarg = qemu_opt_get(opts, "type");
3783 if (optarg) {
3784 machine_class = machine_parse(optarg);
3785 }
3786
3787 set_memory_options(&ram_slots, &maxram_size);
3788
3789 loc_set_none();
3790
3791 os_daemonize();
3792
3793 if (qemu_init_main_loop(&main_loop_err)) {
3794 error_report_err(main_loop_err);
3795 exit(1);
3796 }
3797
3798 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3799 exit(1);
3800 }
3801
3802 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3803 exit(1);
3804 }
3805
3806 #ifndef _WIN32
3807 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3808 exit(1);
3809 }
3810
3811 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3812 exit(1);
3813 }
3814 #endif
3815
3816 if (machine_class == NULL) {
3817 fprintf(stderr, "No machine specified, and there is no default.\n"
3818 "Use -machine help to list supported machines!\n");
3819 exit(1);
3820 }
3821
3822 current_machine = MACHINE(object_new(object_class_get_name(
3823 OBJECT_CLASS(machine_class))));
3824 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3825 exit(0);
3826 }
3827 object_property_add_child(object_get_root(), "machine",
3828 OBJECT(current_machine), &error_abort);
3829 cpu_exec_init_all();
3830
3831 if (machine_class->hw_version) {
3832 qemu_set_version(machine_class->hw_version);
3833 }
3834
3835 /* Init CPU def lists, based on config
3836 * - Must be called after all the qemu_read_config_file() calls
3837 * - Must be called before list_cpus()
3838 * - Must be called before machine->init()
3839 */
3840 cpudef_init();
3841
3842 if (cpu_model && is_help_option(cpu_model)) {
3843 list_cpus(stdout, &fprintf, cpu_model);
3844 exit(0);
3845 }
3846
3847 /* Open the logfile at this point, if necessary. We can't open the logfile
3848 * when encountering either of the logging options (-d or -D) because the
3849 * other one may be encountered later on the command line, changing the
3850 * location or level of logging.
3851 */
3852 if (log_mask) {
3853 int mask;
3854 if (log_file) {
3855 qemu_set_log_filename(log_file);
3856 }
3857
3858 mask = qemu_str_to_log_mask(log_mask);
3859 if (!mask) {
3860 qemu_print_log_usage(stdout);
3861 exit(1);
3862 }
3863 qemu_set_log(mask);
3864 }
3865
3866 if (!is_daemonized()) {
3867 if (!trace_init_backends(trace_events, trace_file)) {
3868 exit(1);
3869 }
3870 }
3871
3872 /* If no data_dir is specified then try to find it relative to the
3873 executable path. */
3874 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3875 data_dir[data_dir_idx] = os_find_datadir();
3876 if (data_dir[data_dir_idx] != NULL) {
3877 data_dir_idx++;
3878 }
3879 }
3880 /* If all else fails use the install path specified when building. */
3881 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3882 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3883 }
3884
3885 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3886
3887 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3888 if (max_cpus > machine_class->max_cpus) {
3889 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3890 "supported by machine `%s' (%d)\n", max_cpus,
3891 machine_class->name, machine_class->max_cpus);
3892 exit(1);
3893 }
3894
3895 /*
3896 * Get the default machine options from the machine if it is not already
3897 * specified either by the configuration file or by the command line.
3898 */
3899 if (machine_class->default_machine_opts) {
3900 qemu_opts_set_defaults(qemu_find_opts("machine"),
3901 machine_class->default_machine_opts, 0);
3902 }
3903
3904 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3905 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3906
3907 if (!vga_model && !default_vga) {
3908 vga_interface_type = VGA_DEVICE;
3909 }
3910 if (!has_defaults || machine_class->no_serial) {
3911 default_serial = 0;
3912 }
3913 if (!has_defaults || machine_class->no_parallel) {
3914 default_parallel = 0;
3915 }
3916 if (!has_defaults || !machine_class->use_virtcon) {
3917 default_virtcon = 0;
3918 }
3919 if (!has_defaults || !machine_class->use_sclp) {
3920 default_sclp = 0;
3921 }
3922 if (!has_defaults || machine_class->no_floppy) {
3923 default_floppy = 0;
3924 }
3925 if (!has_defaults || machine_class->no_cdrom) {
3926 default_cdrom = 0;
3927 }
3928 if (!has_defaults || machine_class->no_sdcard) {
3929 default_sdcard = 0;
3930 }
3931 if (!has_defaults) {
3932 default_monitor = 0;
3933 default_net = 0;
3934 default_vga = 0;
3935 }
3936
3937 if (is_daemonized()) {
3938 /* According to documentation and historically, -nographic redirects
3939 * serial port, parallel port and monitor to stdio, which does not work
3940 * with -daemonize. We can redirect these to null instead, but since
3941 * -nographic is legacy, let's just error out.
3942 * We disallow -nographic only if all other ports are not redirected
3943 * explicitly, to not break existing legacy setups which uses
3944 * -nographic _and_ redirects all ports explicitly - this is valid
3945 * usage, -nographic is just a no-op in this case.
3946 */
3947 if (display_type == DT_NOGRAPHIC
3948 && (default_parallel || default_serial
3949 || default_monitor || default_virtcon)) {
3950 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3951 exit(1);
3952 }
3953 #ifdef CONFIG_CURSES
3954 if (display_type == DT_CURSES) {
3955 fprintf(stderr, "curses display can not be used with -daemonize\n");
3956 exit(1);
3957 }
3958 #endif
3959 }
3960
3961 if (display_type == DT_NOGRAPHIC) {
3962 if (default_parallel)
3963 add_device_config(DEV_PARALLEL, "null");
3964 if (default_serial && default_monitor) {
3965 add_device_config(DEV_SERIAL, "mon:stdio");
3966 } else if (default_virtcon && default_monitor) {
3967 add_device_config(DEV_VIRTCON, "mon:stdio");
3968 } else if (default_sclp && default_monitor) {
3969 add_device_config(DEV_SCLP, "mon:stdio");
3970 } else {
3971 if (default_serial)
3972 add_device_config(DEV_SERIAL, "stdio");
3973 if (default_virtcon)
3974 add_device_config(DEV_VIRTCON, "stdio");
3975 if (default_sclp) {
3976 add_device_config(DEV_SCLP, "stdio");
3977 }
3978 if (default_monitor)
3979 monitor_parse("stdio", "readline", false);
3980 }
3981 } else {
3982 if (default_serial)
3983 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3984 if (default_parallel)
3985 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3986 if (default_monitor)
3987 monitor_parse("vc:80Cx24C", "readline", false);
3988 if (default_virtcon)
3989 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3990 if (default_sclp) {
3991 add_device_config(DEV_SCLP, "vc:80Cx24C");
3992 }
3993 }
3994
3995 #if defined(CONFIG_VNC)
3996 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3997 display_remote++;
3998 }
3999 #endif
4000 if (display_type == DT_DEFAULT && !display_remote) {
4001 #if defined(CONFIG_GTK)
4002 display_type = DT_GTK;
4003 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4004 display_type = DT_SDL;
4005 #elif defined(CONFIG_VNC)
4006 vnc_parse_func("localhost:0,to=99,id=default");
4007 show_vnc_port = 1;
4008 #else
4009 display_type = DT_NONE;
4010 #endif
4011 }
4012
4013 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4014 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4015 "for SDL, ignoring option\n");
4016 }
4017 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4018 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4019 "ignoring option\n");
4020 }
4021
4022 #if defined(CONFIG_GTK)
4023 if (display_type == DT_GTK) {
4024 early_gtk_display_init(request_opengl);
4025 }
4026 #endif
4027 #if defined(CONFIG_SDL)
4028 if (display_type == DT_SDL) {
4029 sdl_display_early_init(request_opengl);
4030 }
4031 #endif
4032 if (request_opengl == 1 && display_opengl == 0) {
4033 #if defined(CONFIG_OPENGL)
4034 fprintf(stderr, "OpenGL is not supported by the display.\n");
4035 #else
4036 fprintf(stderr, "QEMU was built without opengl support.\n");
4037 #endif
4038 exit(1);
4039 }
4040
4041 socket_init();
4042
4043 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4044 exit(1);
4045 #ifdef CONFIG_VIRTFS
4046 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4047 exit(1);
4048 }
4049 #endif
4050
4051 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4052 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4053 exit(1);
4054 }
4055
4056 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4057 != 0) {
4058 exit(0);
4059 }
4060
4061 if (qemu_opts_foreach(qemu_find_opts("object"),
4062 object_create, NULL, 0) != 0) {
4063 exit(1);
4064 }
4065
4066 machine_opts = qemu_get_machine_opts();
4067 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4068 1) < 0) {
4069 object_unref(OBJECT(current_machine));
4070 exit(1);
4071 }
4072
4073 configure_accelerator(current_machine);
4074
4075 if (qtest_chrdev) {
4076 Error *local_err = NULL;
4077 qtest_init(qtest_chrdev, qtest_log, &local_err);
4078 if (local_err) {
4079 error_report_err(local_err);
4080 exit(1);
4081 }
4082 }
4083
4084 machine_opts = qemu_get_machine_opts();
4085 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4086 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4087 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4088 bios_name = qemu_opt_get(machine_opts, "firmware");
4089
4090 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4091 if (opts) {
4092 Error *local_err = NULL;
4093
4094 boot_order = qemu_opt_get(opts, "order");
4095 if (boot_order) {
4096 validate_bootdevices(boot_order, &local_err);
4097 if (local_err) {
4098 error_report_err(local_err);
4099 exit(1);
4100 }
4101 }
4102
4103 boot_once = qemu_opt_get(opts, "once");
4104 if (boot_once) {
4105 validate_bootdevices(boot_once, &local_err);
4106 if (local_err) {
4107 error_report_err(local_err);
4108 exit(1);
4109 }
4110 }
4111
4112 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4113 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4114 }
4115
4116 if (!boot_order) {
4117 boot_order = machine_class->default_boot_order;
4118 }
4119
4120 if (!kernel_cmdline) {
4121 kernel_cmdline = "";
4122 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4123 }
4124
4125 linux_boot = (kernel_filename != NULL);
4126
4127 if (!linux_boot && *kernel_cmdline != '\0') {
4128 fprintf(stderr, "-append only allowed with -kernel option\n");
4129 exit(1);
4130 }
4131
4132 if (!linux_boot && initrd_filename != NULL) {
4133 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4134 exit(1);
4135 }
4136
4137 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4138 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4139 exit(1);
4140 }
4141
4142 os_set_line_buffering();
4143
4144 #ifdef CONFIG_SPICE
4145 /* spice needs the timers to be initialized by this point */
4146 qemu_spice_init();
4147 #endif
4148
4149 cpu_ticks_init();
4150 if (icount_opts) {
4151 if (kvm_enabled() || xen_enabled()) {
4152 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4153 exit(1);
4154 }
4155 configure_icount(icount_opts, &error_abort);
4156 qemu_opts_del(icount_opts);
4157 }
4158
4159 /* clean up network at qemu process termination */
4160 atexit(&net_cleanup);
4161
4162 if (net_init_clients() < 0) {
4163 exit(1);
4164 }
4165
4166 #ifdef CONFIG_TPM
4167 if (tpm_init() < 0) {
4168 exit(1);
4169 }
4170 #endif
4171
4172 /* init the bluetooth world */
4173 if (foreach_device_config(DEV_BT, bt_parse))
4174 exit(1);
4175
4176 if (!xen_enabled()) {
4177 /* On 32-bit hosts, QEMU is limited by virtual address space */
4178 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4179 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4180 exit(1);
4181 }
4182 }
4183
4184 blk_mig_init();
4185 ram_mig_init();
4186
4187 /* If the currently selected machine wishes to override the units-per-bus
4188 * property of its default HBA interface type, do so now. */
4189 if (machine_class->units_per_default_bus) {
4190 override_max_devs(machine_class->block_default_type,
4191 machine_class->units_per_default_bus);
4192 }
4193
4194 /* open the virtual block devices */
4195 if (snapshot)
4196 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4197 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4198 &machine_class->block_default_type, 1) != 0) {
4199 exit(1);
4200 }
4201
4202 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4203 CDROM_OPTS);
4204 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4205 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4206
4207 parse_numa_opts(machine_class);
4208
4209 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4210 exit(1);
4211 }
4212
4213 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4214 exit(1);
4215 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4216 exit(1);
4217 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4218 exit(1);
4219 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4220 exit(1);
4221 }
4222 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4223 exit(1);
4224
4225 /* If no default VGA is requested, the default is "none". */
4226 if (default_vga) {
4227 if (machine_class->default_display) {
4228 vga_model = machine_class->default_display;
4229 } else if (cirrus_vga_available()) {
4230 vga_model = "cirrus";
4231 } else if (vga_available()) {
4232 vga_model = "std";
4233 }
4234 }
4235 if (vga_model) {
4236 select_vgahw(vga_model);
4237 }
4238
4239 if (watchdog) {
4240 i = select_watchdog(watchdog);
4241 if (i > 0)
4242 exit (i == 1 ? 1 : 0);
4243 }
4244
4245 if (machine_class->compat_props) {
4246 qdev_prop_register_global_list(machine_class->compat_props);
4247 }
4248 qemu_add_globals();
4249
4250 qdev_machine_init();
4251
4252 current_machine->ram_size = ram_size;
4253 current_machine->maxram_size = maxram_size;
4254 current_machine->ram_slots = ram_slots;
4255 current_machine->boot_order = boot_order;
4256 current_machine->cpu_model = cpu_model;
4257
4258 machine_class->init(current_machine);
4259
4260 realtime_init();
4261
4262 audio_init();
4263
4264 cpu_synchronize_all_post_init();
4265
4266 numa_post_machine_init();
4267
4268 /* init USB devices */
4269 if (usb_enabled()) {
4270 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4271 exit(1);
4272 }
4273
4274 /* init generic devices */
4275 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4276 exit(1);
4277
4278 /* Did we create any drives that we failed to create a device for? */
4279 drive_check_orphaned();
4280
4281 net_check_clients();
4282
4283 if (boot_once) {
4284 Error *local_err = NULL;
4285 qemu_boot_set(boot_once, &local_err);
4286 if (local_err) {
4287 error_report("%s", error_get_pretty(local_err));
4288 exit(1);
4289 }
4290 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4291 }
4292
4293 ds = init_displaystate();
4294
4295 /* init local displays */
4296 switch (display_type) {
4297 case DT_NOGRAPHIC:
4298 (void)ds; /* avoid warning if no display is configured */
4299 break;
4300 #if defined(CONFIG_CURSES)
4301 case DT_CURSES:
4302 curses_display_init(ds, full_screen);
4303 break;
4304 #endif
4305 #if defined(CONFIG_SDL)
4306 case DT_SDL:
4307 sdl_display_init(ds, full_screen, no_frame);
4308 break;
4309 #elif defined(CONFIG_COCOA)
4310 case DT_SDL:
4311 cocoa_display_init(ds, full_screen);
4312 break;
4313 #endif
4314 #if defined(CONFIG_GTK)
4315 case DT_GTK:
4316 gtk_display_init(ds, full_screen, grab_on_hover);
4317 break;
4318 #endif
4319 default:
4320 break;
4321 }
4322
4323 /* must be after terminal init, SDL library changes signal handlers */
4324 os_setup_signal_handling();
4325
4326 #ifdef CONFIG_VNC
4327 /* init remote displays */
4328 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4329 if (show_vnc_port) {
4330 printf("VNC server running on `%s'\n",
4331 vnc_display_local_addr("default"));
4332 }
4333 #endif
4334 #ifdef CONFIG_SPICE
4335 if (using_spice) {
4336 qemu_spice_display_init();
4337 }
4338 #endif
4339
4340 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4341 exit(1);
4342 }
4343
4344 qdev_machine_creation_done();
4345
4346 if (rom_load_all() != 0) {
4347 fprintf(stderr, "rom loading failed\n");
4348 exit(1);
4349 }
4350
4351 /* TODO: once all bus devices are qdevified, this should be done
4352 * when bus is created by qdev.c */
4353 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4354 qemu_run_machine_init_done_notifiers();
4355
4356 /* Done notifiers can load ROMs */
4357 rom_load_done();
4358
4359 qemu_system_reset(VMRESET_SILENT);
4360 if (loadvm) {
4361 if (load_vmstate(loadvm) < 0) {
4362 autostart = 0;
4363 }
4364 }
4365
4366 qdev_prop_check_globals();
4367 if (vmstate_dump_file) {
4368 /* dump and exit */
4369 dump_vmstate_json_to_file(vmstate_dump_file);
4370 return 0;
4371 }
4372
4373 if (incoming) {
4374 Error *local_err = NULL;
4375 qemu_start_incoming_migration(incoming, &local_err);
4376 if (local_err) {
4377 error_report("-incoming %s: %s", incoming,
4378 error_get_pretty(local_err));
4379 error_free(local_err);
4380 exit(1);
4381 }
4382 } else if (autostart) {
4383 vm_start();
4384 }
4385
4386 os_setup_post();
4387
4388 if (is_daemonized()) {
4389 if (!trace_init_backends(trace_events, trace_file)) {
4390 exit(1);
4391 }
4392 }
4393
4394 main_loop();
4395 bdrv_close_all();
4396 pause_all_vcpus();
4397 res_free();
4398 #ifdef CONFIG_TPM
4399 tpm_cleanup();
4400 #endif
4401
4402 return 0;
4403 }
CRIS target port of Qemu