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fw_cfg: remove support for guest-side data writes
[qemu/ar7.git] / vl.c
blobd4b2d03e0e1676c4a48749ffd3ebdcbc0cb9a2b6
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 int request_opengl = -1;
132 int display_opengl;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 uint8_t qemu_uuid[16];
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_trace_opts = {
268 .name = "trace",
269 .implied_opt_name = "trace",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
271 .desc = {
272 {
273 .name = "events",
274 .type = QEMU_OPT_STRING,
275 },{
276 .name = "file",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_option_rom_opts = {
284 .name = "option-rom",
285 .implied_opt_name = "romfile",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
287 .desc = {
288 {
289 .name = "bootindex",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "romfile",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_machine_opts = {
300 .name = "machine",
301 .implied_opt_name = "type",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
304 .desc = {
305 /*
306 * no elements => accept any
307 * sanity checking will happen later
308 * when setting machine properties
309 */
310 { }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_msg_opts = {
399 .name = "msg",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
401 .desc = {
402 {
403 .name = "timestamp",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_name_opts = {
411 .name = "name",
412 .implied_opt_name = "guest",
413 .merge_lists = true,
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
415 .desc = {
416 {
417 .name = "guest",
418 .type = QEMU_OPT_STRING,
419 .help = "Sets the name of the guest.\n"
420 "This name will be displayed in the SDL window caption.\n"
421 "The name will also be used for the VNC server",
422 }, {
423 .name = "process",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the QEMU process, as shown in top etc",
426 }, {
427 .name = "debug-threads",
428 .type = QEMU_OPT_BOOL,
429 .help = "When enabled, name the individual threads; defaults off.\n"
430 "NOTE: The thread names are for debugging and not a\n"
431 "stable API.",
432 },
433 { /* End of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_mem_opts = {
438 .name = "memory",
439 .implied_opt_name = "size",
440 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
441 .merge_lists = true,
442 .desc = {
443 {
444 .name = "size",
445 .type = QEMU_OPT_SIZE,
446 },
447 {
448 .name = "slots",
449 .type = QEMU_OPT_NUMBER,
450 },
451 {
452 .name = "maxmem",
453 .type = QEMU_OPT_SIZE,
454 },
455 { /* end of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_icount_opts = {
460 .name = "icount",
461 .implied_opt_name = "shift",
462 .merge_lists = true,
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
464 .desc = {
465 {
466 .name = "shift",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "align",
470 .type = QEMU_OPT_BOOL,
471 }, {
472 .name = "sleep",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_semihosting_config_opts = {
480 .name = "semihosting-config",
481 .implied_opt_name = "enable",
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
483 .desc = {
484 {
485 .name = "enable",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "target",
489 .type = QEMU_OPT_STRING,
490 },
491 { /* end of list */ }
492 },
493 };
494
495 /**
496 * Get machine options
497 *
498 * Returns: machine options (never null).
499 */
500 QemuOpts *qemu_get_machine_opts(void)
501 {
502 return qemu_find_opts_singleton("machine");
503 }
504
505 const char *qemu_get_vm_name(void)
506 {
507 return qemu_name;
508 }
509
510 static void res_free(void)
511 {
512 if (boot_splash_filedata != NULL) {
513 g_free(boot_splash_filedata);
514 boot_splash_filedata = NULL;
515 }
516 }
517
518 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
519 {
520 const char *driver = qemu_opt_get(opts, "driver");
521 int i;
522
523 if (!driver)
524 return 0;
525 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
526 if (strcmp(default_list[i].driver, driver) != 0)
527 continue;
528 *(default_list[i].flag) = 0;
529 }
530 return 0;
531 }
532
533 /***********************************************************/
534 /* QEMU state */
535
536 static RunState current_run_state = RUN_STATE_PRELAUNCH;
537
538 /* We use RUN_STATE_MAX but any invalid value will do */
539 static RunState vmstop_requested = RUN_STATE_MAX;
540 static QemuMutex vmstop_lock;
541
542 typedef struct {
543 RunState from;
544 RunState to;
545 } RunStateTransition;
546
547 static const RunStateTransition runstate_transitions_def[] = {
548 /* from -> to */
549 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
550 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
551
552 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
553 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
554
555 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
556 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
557
558 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
559 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
562 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
565 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
568 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
569 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
570
571 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
572 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
573
574 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
575
576 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
577 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
578 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
579 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
580 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
581 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
582 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
583 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
585 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
586
587 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
588
589 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
590 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
593 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
594 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
595 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
598 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
601 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_MAX, RUN_STATE_MAX },
604 };
605
606 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
607
608 bool runstate_check(RunState state)
609 {
610 return current_run_state == state;
611 }
612
613 static void runstate_init(void)
614 {
615 const RunStateTransition *p;
616
617 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
618 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
619 runstate_valid_transitions[p->from][p->to] = true;
620 }
621
622 qemu_mutex_init(&vmstop_lock);
623 }
624
625 /* This function will abort() on invalid state transitions */
626 void runstate_set(RunState new_state)
627 {
628 assert(new_state < RUN_STATE_MAX);
629
630 if (!runstate_valid_transitions[current_run_state][new_state]) {
631 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
632 RunState_lookup[current_run_state],
633 RunState_lookup[new_state]);
634 abort();
635 }
636 trace_runstate_set(new_state);
637 current_run_state = new_state;
638 }
639
640 int runstate_is_running(void)
641 {
642 return runstate_check(RUN_STATE_RUNNING);
643 }
644
645 bool runstate_needs_reset(void)
646 {
647 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
648 runstate_check(RUN_STATE_SHUTDOWN);
649 }
650
651 StatusInfo *qmp_query_status(Error **errp)
652 {
653 StatusInfo *info = g_malloc0(sizeof(*info));
654
655 info->running = runstate_is_running();
656 info->singlestep = singlestep;
657 info->status = current_run_state;
658
659 return info;
660 }
661
662 static bool qemu_vmstop_requested(RunState *r)
663 {
664 qemu_mutex_lock(&vmstop_lock);
665 *r = vmstop_requested;
666 vmstop_requested = RUN_STATE_MAX;
667 qemu_mutex_unlock(&vmstop_lock);
668 return *r < RUN_STATE_MAX;
669 }
670
671 void qemu_system_vmstop_request_prepare(void)
672 {
673 qemu_mutex_lock(&vmstop_lock);
674 }
675
676 void qemu_system_vmstop_request(RunState state)
677 {
678 vmstop_requested = state;
679 qemu_mutex_unlock(&vmstop_lock);
680 qemu_notify_event();
681 }
682
683 void vm_start(void)
684 {
685 RunState requested;
686
687 qemu_vmstop_requested(&requested);
688 if (runstate_is_running() && requested == RUN_STATE_MAX) {
689 return;
690 }
691
692 /* Ensure that a STOP/RESUME pair of events is emitted if a
693 * vmstop request was pending. The BLOCK_IO_ERROR event, for
694 * example, according to documentation is always followed by
695 * the STOP event.
696 */
697 if (runstate_is_running()) {
698 qapi_event_send_stop(&error_abort);
699 } else {
700 cpu_enable_ticks();
701 runstate_set(RUN_STATE_RUNNING);
702 vm_state_notify(1, RUN_STATE_RUNNING);
703 resume_all_vcpus();
704 }
705
706 qapi_event_send_resume(&error_abort);
707 }
708
709
710 /***********************************************************/
711 /* real time host monotonic timer */
712
713 static time_t qemu_time(void)
714 {
715 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
716 }
717
718 /***********************************************************/
719 /* host time/date access */
720 void qemu_get_timedate(struct tm *tm, int offset)
721 {
722 time_t ti = qemu_time();
723
724 ti += offset;
725 if (rtc_date_offset == -1) {
726 if (rtc_utc)
727 gmtime_r(&ti, tm);
728 else
729 localtime_r(&ti, tm);
730 } else {
731 ti -= rtc_date_offset;
732 gmtime_r(&ti, tm);
733 }
734 }
735
736 int qemu_timedate_diff(struct tm *tm)
737 {
738 time_t seconds;
739
740 if (rtc_date_offset == -1)
741 if (rtc_utc)
742 seconds = mktimegm(tm);
743 else {
744 struct tm tmp = *tm;
745 tmp.tm_isdst = -1; /* use timezone to figure it out */
746 seconds = mktime(&tmp);
747 }
748 else
749 seconds = mktimegm(tm) + rtc_date_offset;
750
751 return seconds - qemu_time();
752 }
753
754 static void configure_rtc_date_offset(const char *startdate, int legacy)
755 {
756 time_t rtc_start_date;
757 struct tm tm;
758
759 if (!strcmp(startdate, "now") && legacy) {
760 rtc_date_offset = -1;
761 } else {
762 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
763 &tm.tm_year,
764 &tm.tm_mon,
765 &tm.tm_mday,
766 &tm.tm_hour,
767 &tm.tm_min,
768 &tm.tm_sec) == 6) {
769 /* OK */
770 } else if (sscanf(startdate, "%d-%d-%d",
771 &tm.tm_year,
772 &tm.tm_mon,
773 &tm.tm_mday) == 3) {
774 tm.tm_hour = 0;
775 tm.tm_min = 0;
776 tm.tm_sec = 0;
777 } else {
778 goto date_fail;
779 }
780 tm.tm_year -= 1900;
781 tm.tm_mon--;
782 rtc_start_date = mktimegm(&tm);
783 if (rtc_start_date == -1) {
784 date_fail:
785 fprintf(stderr, "Invalid date format. Valid formats are:\n"
786 "'2006-06-17T16:01:21' or '2006-06-17'\n");
787 exit(1);
788 }
789 rtc_date_offset = qemu_time() - rtc_start_date;
790 }
791 }
792
793 static void configure_rtc(QemuOpts *opts)
794 {
795 const char *value;
796
797 value = qemu_opt_get(opts, "base");
798 if (value) {
799 if (!strcmp(value, "utc")) {
800 rtc_utc = 1;
801 } else if (!strcmp(value, "localtime")) {
802 rtc_utc = 0;
803 } else {
804 configure_rtc_date_offset(value, 0);
805 }
806 }
807 value = qemu_opt_get(opts, "clock");
808 if (value) {
809 if (!strcmp(value, "host")) {
810 rtc_clock = QEMU_CLOCK_HOST;
811 } else if (!strcmp(value, "rt")) {
812 rtc_clock = QEMU_CLOCK_REALTIME;
813 } else if (!strcmp(value, "vm")) {
814 rtc_clock = QEMU_CLOCK_VIRTUAL;
815 } else {
816 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
817 exit(1);
818 }
819 }
820 value = qemu_opt_get(opts, "driftfix");
821 if (value) {
822 if (!strcmp(value, "slew")) {
823 static GlobalProperty slew_lost_ticks[] = {
824 {
825 .driver = "mc146818rtc",
826 .property = "lost_tick_policy",
827 .value = "slew",
828 },
829 { /* end of list */ }
830 };
831
832 qdev_prop_register_global_list(slew_lost_ticks);
833 } else if (!strcmp(value, "none")) {
834 /* discard is default */
835 } else {
836 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
837 exit(1);
838 }
839 }
840 }
841
842 /***********************************************************/
843 /* Bluetooth support */
844 static int nb_hcis;
845 static int cur_hci;
846 static struct HCIInfo *hci_table[MAX_NICS];
847
848 struct HCIInfo *qemu_next_hci(void)
849 {
850 if (cur_hci == nb_hcis)
851 return &null_hci;
852
853 return hci_table[cur_hci++];
854 }
855
856 static int bt_hci_parse(const char *str)
857 {
858 struct HCIInfo *hci;
859 bdaddr_t bdaddr;
860
861 if (nb_hcis >= MAX_NICS) {
862 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
863 return -1;
864 }
865
866 hci = hci_init(str);
867 if (!hci)
868 return -1;
869
870 bdaddr.b[0] = 0x52;
871 bdaddr.b[1] = 0x54;
872 bdaddr.b[2] = 0x00;
873 bdaddr.b[3] = 0x12;
874 bdaddr.b[4] = 0x34;
875 bdaddr.b[5] = 0x56 + nb_hcis;
876 hci->bdaddr_set(hci, bdaddr.b);
877
878 hci_table[nb_hcis++] = hci;
879
880 return 0;
881 }
882
883 static void bt_vhci_add(int vlan_id)
884 {
885 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
886
887 if (!vlan->slave)
888 fprintf(stderr, "qemu: warning: adding a VHCI to "
889 "an empty scatternet %i\n", vlan_id);
890
891 bt_vhci_init(bt_new_hci(vlan));
892 }
893
894 static struct bt_device_s *bt_device_add(const char *opt)
895 {
896 struct bt_scatternet_s *vlan;
897 int vlan_id = 0;
898 char *endp = strstr(opt, ",vlan=");
899 int len = (endp ? endp - opt : strlen(opt)) + 1;
900 char devname[10];
901
902 pstrcpy(devname, MIN(sizeof(devname), len), opt);
903
904 if (endp) {
905 vlan_id = strtol(endp + 6, &endp, 0);
906 if (*endp) {
907 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
908 return 0;
909 }
910 }
911
912 vlan = qemu_find_bt_vlan(vlan_id);
913
914 if (!vlan->slave)
915 fprintf(stderr, "qemu: warning: adding a slave device to "
916 "an empty scatternet %i\n", vlan_id);
917
918 if (!strcmp(devname, "keyboard"))
919 return bt_keyboard_init(vlan);
920
921 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
922 return 0;
923 }
924
925 static int bt_parse(const char *opt)
926 {
927 const char *endp, *p;
928 int vlan;
929
930 if (strstart(opt, "hci", &endp)) {
931 if (!*endp || *endp == ',') {
932 if (*endp)
933 if (!strstart(endp, ",vlan=", 0))
934 opt = endp + 1;
935
936 return bt_hci_parse(opt);
937 }
938 } else if (strstart(opt, "vhci", &endp)) {
939 if (!*endp || *endp == ',') {
940 if (*endp) {
941 if (strstart(endp, ",vlan=", &p)) {
942 vlan = strtol(p, (char **) &endp, 0);
943 if (*endp) {
944 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
945 return 1;
946 }
947 } else {
948 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
949 return 1;
950 }
951 } else
952 vlan = 0;
953
954 bt_vhci_add(vlan);
955 return 0;
956 }
957 } else if (strstart(opt, "device:", &endp))
958 return !bt_device_add(endp);
959
960 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
961 return 1;
962 }
963
964 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
965 {
966 /* FIXME: change this to true for 1.3 */
967 if (qemu_opt_get_bool(opts, "enable", false)) {
968 #ifdef CONFIG_SECCOMP
969 if (seccomp_start() < 0) {
970 qerror_report(ERROR_CLASS_GENERIC_ERROR,
971 "failed to install seccomp syscall filter in the kernel");
972 return -1;
973 }
974 #else
975 qerror_report(ERROR_CLASS_GENERIC_ERROR,
976 "sandboxing request but seccomp is not compiled into this build");
977 return -1;
978 #endif
979 }
980
981 return 0;
982 }
983
984 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
985 {
986 const char *proc_name;
987
988 if (qemu_opt_get(opts, "debug-threads")) {
989 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
990 }
991 qemu_name = qemu_opt_get(opts, "guest");
992
993 proc_name = qemu_opt_get(opts, "process");
994 if (proc_name) {
995 os_set_proc_name(proc_name);
996 }
997
998 return 0;
999 }
1000
1001 bool defaults_enabled(void)
1002 {
1003 return has_defaults;
1004 }
1005
1006 bool usb_enabled(void)
1007 {
1008 return machine_usb(current_machine);
1009 }
1010
1011 #ifndef _WIN32
1012 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1013 {
1014 int fd, dupfd, flags;
1015 int64_t fdset_id;
1016 const char *fd_opaque = NULL;
1017 AddfdInfo *fdinfo;
1018
1019 fd = qemu_opt_get_number(opts, "fd", -1);
1020 fdset_id = qemu_opt_get_number(opts, "set", -1);
1021 fd_opaque = qemu_opt_get(opts, "opaque");
1022
1023 if (fd < 0) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "fd option is required and must be non-negative");
1026 return -1;
1027 }
1028
1029 if (fd <= STDERR_FILENO) {
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "fd cannot be a standard I/O stream");
1032 return -1;
1033 }
1034
1035 /*
1036 * All fds inherited across exec() necessarily have FD_CLOEXEC
1037 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1038 */
1039 flags = fcntl(fd, F_GETFD);
1040 if (flags == -1 || (flags & FD_CLOEXEC)) {
1041 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1042 "fd is not valid or already in use");
1043 return -1;
1044 }
1045
1046 if (fdset_id < 0) {
1047 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1048 "set option is required and must be non-negative");
1049 return -1;
1050 }
1051
1052 #ifdef F_DUPFD_CLOEXEC
1053 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1054 #else
1055 dupfd = dup(fd);
1056 if (dupfd != -1) {
1057 qemu_set_cloexec(dupfd);
1058 }
1059 #endif
1060 if (dupfd == -1) {
1061 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1062 "Error duplicating fd: %s", strerror(errno));
1063 return -1;
1064 }
1065
1066 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1067 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1068 &error_abort);
1069 g_free(fdinfo);
1070
1071 return 0;
1072 }
1073
1074 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1075 {
1076 int fd;
1077
1078 fd = qemu_opt_get_number(opts, "fd", -1);
1079 close(fd);
1080
1081 return 0;
1082 }
1083 #endif
1084
1085 /***********************************************************/
1086 /* QEMU Block devices */
1087
1088 #define HD_OPTS "media=disk"
1089 #define CDROM_OPTS "media=cdrom"
1090 #define FD_OPTS ""
1091 #define PFLASH_OPTS ""
1092 #define MTD_OPTS ""
1093 #define SD_OPTS ""
1094
1095 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1096 {
1097 BlockInterfaceType *block_default_type = opaque;
1098
1099 return drive_new(opts, *block_default_type) == NULL;
1100 }
1101
1102 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1103 {
1104 if (qemu_opt_get(opts, "snapshot") == NULL) {
1105 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1106 }
1107 return 0;
1108 }
1109
1110 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1111 int index, const char *optstr)
1112 {
1113 QemuOpts *opts;
1114 DriveInfo *dinfo;
1115
1116 if (!enable || drive_get_by_index(type, index)) {
1117 return;
1118 }
1119
1120 opts = drive_add(type, index, NULL, optstr);
1121 if (snapshot) {
1122 drive_enable_snapshot(NULL, opts, NULL);
1123 }
1124
1125 dinfo = drive_new(opts, type);
1126 if (!dinfo) {
1127 exit(1);
1128 }
1129 dinfo->is_default = true;
1130
1131 }
1132
1133 static QemuOptsList qemu_smp_opts = {
1134 .name = "smp-opts",
1135 .implied_opt_name = "cpus",
1136 .merge_lists = true,
1137 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1138 .desc = {
1139 {
1140 .name = "cpus",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "sockets",
1144 .type = QEMU_OPT_NUMBER,
1145 }, {
1146 .name = "cores",
1147 .type = QEMU_OPT_NUMBER,
1148 }, {
1149 .name = "threads",
1150 .type = QEMU_OPT_NUMBER,
1151 }, {
1152 .name = "maxcpus",
1153 .type = QEMU_OPT_NUMBER,
1154 },
1155 { /*End of list */ }
1156 },
1157 };
1158
1159 static void smp_parse(QemuOpts *opts)
1160 {
1161 if (opts) {
1162
1163 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1164 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1165 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1166 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1167
1168 /* compute missing values, prefer sockets over cores over threads */
1169 if (cpus == 0 || sockets == 0) {
1170 sockets = sockets > 0 ? sockets : 1;
1171 cores = cores > 0 ? cores : 1;
1172 threads = threads > 0 ? threads : 1;
1173 if (cpus == 0) {
1174 cpus = cores * threads * sockets;
1175 }
1176 } else if (cores == 0) {
1177 threads = threads > 0 ? threads : 1;
1178 cores = cpus / (sockets * threads);
1179 } else if (threads == 0) {
1180 threads = cpus / (cores * sockets);
1181 } else if (sockets * cores * threads < cpus) {
1182 fprintf(stderr, "cpu topology: error: "
1183 "sockets (%u) * cores (%u) * threads (%u) < "
1184 "smp_cpus (%u)\n",
1185 sockets, cores, threads, cpus);
1186 exit(1);
1187 }
1188
1189 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1190
1191 smp_cpus = cpus;
1192 smp_cores = cores > 0 ? cores : 1;
1193 smp_threads = threads > 0 ? threads : 1;
1194
1195 }
1196
1197 if (max_cpus == 0) {
1198 max_cpus = smp_cpus;
1199 }
1200
1201 if (max_cpus > MAX_CPUMASK_BITS) {
1202 fprintf(stderr, "Unsupported number of maxcpus\n");
1203 exit(1);
1204 }
1205 if (max_cpus < smp_cpus) {
1206 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1207 exit(1);
1208 }
1209
1210 }
1211
1212 static void realtime_init(void)
1213 {
1214 if (enable_mlock) {
1215 if (os_mlock() < 0) {
1216 fprintf(stderr, "qemu: locking memory failed\n");
1217 exit(1);
1218 }
1219 }
1220 }
1221
1222
1223 static void configure_msg(QemuOpts *opts)
1224 {
1225 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1226 }
1227
1228 /***********************************************************/
1229 /* USB devices */
1230
1231 static int usb_device_add(const char *devname)
1232 {
1233 USBDevice *dev = NULL;
1234 #ifndef CONFIG_LINUX
1235 const char *p;
1236 #endif
1237
1238 if (!usb_enabled()) {
1239 return -1;
1240 }
1241
1242 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1243 dev = usbdevice_create(devname);
1244 if (dev)
1245 goto done;
1246
1247 /* the other ones */
1248 #ifndef CONFIG_LINUX
1249 /* only the linux version is qdev-ified, usb-bsd still needs this */
1250 if (strstart(devname, "host:", &p)) {
1251 dev = usb_host_device_open(usb_bus_find(-1), p);
1252 }
1253 #endif
1254 if (!dev)
1255 return -1;
1256
1257 done:
1258 return 0;
1259 }
1260
1261 static int usb_device_del(const char *devname)
1262 {
1263 int bus_num, addr;
1264 const char *p;
1265
1266 if (strstart(devname, "host:", &p)) {
1267 return -1;
1268 }
1269
1270 if (!usb_enabled()) {
1271 return -1;
1272 }
1273
1274 p = strchr(devname, '.');
1275 if (!p)
1276 return -1;
1277 bus_num = strtoul(devname, NULL, 0);
1278 addr = strtoul(p + 1, NULL, 0);
1279
1280 return usb_device_delete_addr(bus_num, addr);
1281 }
1282
1283 static int usb_parse(const char *cmdline)
1284 {
1285 int r;
1286 r = usb_device_add(cmdline);
1287 if (r < 0) {
1288 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1289 }
1290 return r;
1291 }
1292
1293 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1294 {
1295 const char *devname = qdict_get_str(qdict, "devname");
1296 if (usb_device_add(devname) < 0) {
1297 error_report("could not add USB device '%s'", devname);
1298 }
1299 }
1300
1301 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1302 {
1303 const char *devname = qdict_get_str(qdict, "devname");
1304 if (usb_device_del(devname) < 0) {
1305 error_report("could not delete USB device '%s'", devname);
1306 }
1307 }
1308
1309 /***********************************************************/
1310 /* machine registration */
1311
1312 MachineState *current_machine;
1313
1314 /*
1315 * Transitional class registration/init used for converting from
1316 * legacy QEMUMachine to MachineClass.
1317 */
1318 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1319 {
1320 MachineClass *mc = MACHINE_CLASS(oc);
1321 QEMUMachine *qm = data;
1322 mc->name = qm->name;
1323 mc->desc = qm->desc;
1324 mc->init = qm->init;
1325 mc->kvm_type = qm->kvm_type;
1326 mc->block_default_type = qm->block_default_type;
1327 mc->max_cpus = qm->max_cpus;
1328 mc->no_sdcard = qm->no_sdcard;
1329 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1330 mc->is_default = qm->is_default;
1331 mc->default_machine_opts = qm->default_machine_opts;
1332 mc->default_boot_order = qm->default_boot_order;
1333 }
1334
1335 int qemu_register_machine(QEMUMachine *m)
1336 {
1337 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1338 TypeInfo ti = {
1339 .name = name,
1340 .parent = TYPE_MACHINE,
1341 .class_init = qemu_machine_class_init,
1342 .class_data = (void *)m,
1343 };
1344
1345 type_register(&ti);
1346 g_free(name);
1347
1348 return 0;
1349 }
1350
1351 static MachineClass *find_machine(const char *name)
1352 {
1353 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1354 MachineClass *mc = NULL;
1355
1356 for (el = machines; el; el = el->next) {
1357 MachineClass *temp = el->data;
1358
1359 if (!strcmp(temp->name, name)) {
1360 mc = temp;
1361 break;
1362 }
1363 if (temp->alias &&
1364 !strcmp(temp->alias, name)) {
1365 mc = temp;
1366 break;
1367 }
1368 }
1369
1370 g_slist_free(machines);
1371 return mc;
1372 }
1373
1374 MachineClass *find_default_machine(void)
1375 {
1376 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1377 MachineClass *mc = NULL;
1378
1379 for (el = machines; el; el = el->next) {
1380 MachineClass *temp = el->data;
1381
1382 if (temp->is_default) {
1383 mc = temp;
1384 break;
1385 }
1386 }
1387
1388 g_slist_free(machines);
1389 return mc;
1390 }
1391
1392 MachineInfoList *qmp_query_machines(Error **errp)
1393 {
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineInfoList *mach_list = NULL;
1396
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *mc = el->data;
1399 MachineInfoList *entry;
1400 MachineInfo *info;
1401
1402 info = g_malloc0(sizeof(*info));
1403 if (mc->is_default) {
1404 info->has_is_default = true;
1405 info->is_default = true;
1406 }
1407
1408 if (mc->alias) {
1409 info->has_alias = true;
1410 info->alias = g_strdup(mc->alias);
1411 }
1412
1413 info->name = g_strdup(mc->name);
1414 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1415
1416 entry = g_malloc0(sizeof(*entry));
1417 entry->value = info;
1418 entry->next = mach_list;
1419 mach_list = entry;
1420 }
1421
1422 g_slist_free(machines);
1423 return mach_list;
1424 }
1425
1426 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1427 {
1428 ObjectProperty *prop;
1429
1430 if (!qemu_opt_has_help_opt(opts)) {
1431 return 0;
1432 }
1433
1434 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1435 if (!prop->set) {
1436 continue;
1437 }
1438
1439 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1440 prop->name, prop->type);
1441 if (prop->description) {
1442 error_printf(" (%s)\n", prop->description);
1443 } else {
1444 error_printf("\n");
1445 }
1446 }
1447
1448 return 1;
1449 }
1450
1451 /***********************************************************/
1452 /* main execution loop */
1453
1454 struct vm_change_state_entry {
1455 VMChangeStateHandler *cb;
1456 void *opaque;
1457 QLIST_ENTRY (vm_change_state_entry) entries;
1458 };
1459
1460 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1461
1462 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1463 void *opaque)
1464 {
1465 VMChangeStateEntry *e;
1466
1467 e = g_malloc0(sizeof (*e));
1468
1469 e->cb = cb;
1470 e->opaque = opaque;
1471 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1472 return e;
1473 }
1474
1475 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1476 {
1477 QLIST_REMOVE (e, entries);
1478 g_free (e);
1479 }
1480
1481 void vm_state_notify(int running, RunState state)
1482 {
1483 VMChangeStateEntry *e, *next;
1484
1485 trace_vm_state_notify(running, state);
1486
1487 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1488 e->cb(e->opaque, running, state);
1489 }
1490 }
1491
1492 /* reset/shutdown handler */
1493
1494 typedef struct QEMUResetEntry {
1495 QTAILQ_ENTRY(QEMUResetEntry) entry;
1496 QEMUResetHandler *func;
1497 void *opaque;
1498 } QEMUResetEntry;
1499
1500 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1501 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1502 static int reset_requested;
1503 static int shutdown_requested, shutdown_signal = -1;
1504 static pid_t shutdown_pid;
1505 static int powerdown_requested;
1506 static int debug_requested;
1507 static int suspend_requested;
1508 static WakeupReason wakeup_reason;
1509 static NotifierList powerdown_notifiers =
1510 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1511 static NotifierList suspend_notifiers =
1512 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1513 static NotifierList wakeup_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1515 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1516
1517 int qemu_shutdown_requested_get(void)
1518 {
1519 return shutdown_requested;
1520 }
1521
1522 int qemu_reset_requested_get(void)
1523 {
1524 return reset_requested;
1525 }
1526
1527 static int qemu_shutdown_requested(void)
1528 {
1529 return atomic_xchg(&shutdown_requested, 0);
1530 }
1531
1532 static void qemu_kill_report(void)
1533 {
1534 if (!qtest_driver() && shutdown_signal != -1) {
1535 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1536 if (shutdown_pid == 0) {
1537 /* This happens for eg ^C at the terminal, so it's worth
1538 * avoiding printing an odd message in that case.
1539 */
1540 fputc('\n', stderr);
1541 } else {
1542 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1543 }
1544 shutdown_signal = -1;
1545 }
1546 }
1547
1548 static int qemu_reset_requested(void)
1549 {
1550 int r = reset_requested;
1551 reset_requested = 0;
1552 return r;
1553 }
1554
1555 static int qemu_suspend_requested(void)
1556 {
1557 int r = suspend_requested;
1558 suspend_requested = 0;
1559 return r;
1560 }
1561
1562 static WakeupReason qemu_wakeup_requested(void)
1563 {
1564 return wakeup_reason;
1565 }
1566
1567 static int qemu_powerdown_requested(void)
1568 {
1569 int r = powerdown_requested;
1570 powerdown_requested = 0;
1571 return r;
1572 }
1573
1574 static int qemu_debug_requested(void)
1575 {
1576 int r = debug_requested;
1577 debug_requested = 0;
1578 return r;
1579 }
1580
1581 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1582 {
1583 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1584
1585 re->func = func;
1586 re->opaque = opaque;
1587 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1588 }
1589
1590 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1591 {
1592 QEMUResetEntry *re;
1593
1594 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1595 if (re->func == func && re->opaque == opaque) {
1596 QTAILQ_REMOVE(&reset_handlers, re, entry);
1597 g_free(re);
1598 return;
1599 }
1600 }
1601 }
1602
1603 void qemu_devices_reset(void)
1604 {
1605 QEMUResetEntry *re, *nre;
1606
1607 /* reset all devices */
1608 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1609 re->func(re->opaque);
1610 }
1611 }
1612
1613 void qemu_system_reset(bool report)
1614 {
1615 MachineClass *mc;
1616
1617 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1618
1619 if (mc && mc->reset) {
1620 mc->reset();
1621 } else {
1622 qemu_devices_reset();
1623 }
1624 if (report) {
1625 qapi_event_send_reset(&error_abort);
1626 }
1627 cpu_synchronize_all_post_reset();
1628 }
1629
1630 void qemu_system_reset_request(void)
1631 {
1632 if (no_reboot) {
1633 shutdown_requested = 1;
1634 } else {
1635 reset_requested = 1;
1636 }
1637 cpu_stop_current();
1638 qemu_notify_event();
1639 }
1640
1641 static void qemu_system_suspend(void)
1642 {
1643 pause_all_vcpus();
1644 notifier_list_notify(&suspend_notifiers, NULL);
1645 runstate_set(RUN_STATE_SUSPENDED);
1646 qapi_event_send_suspend(&error_abort);
1647 }
1648
1649 void qemu_system_suspend_request(void)
1650 {
1651 if (runstate_check(RUN_STATE_SUSPENDED)) {
1652 return;
1653 }
1654 suspend_requested = 1;
1655 cpu_stop_current();
1656 qemu_notify_event();
1657 }
1658
1659 void qemu_register_suspend_notifier(Notifier *notifier)
1660 {
1661 notifier_list_add(&suspend_notifiers, notifier);
1662 }
1663
1664 void qemu_system_wakeup_request(WakeupReason reason)
1665 {
1666 trace_system_wakeup_request(reason);
1667
1668 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1669 return;
1670 }
1671 if (!(wakeup_reason_mask & (1 << reason))) {
1672 return;
1673 }
1674 runstate_set(RUN_STATE_RUNNING);
1675 wakeup_reason = reason;
1676 qemu_notify_event();
1677 }
1678
1679 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1680 {
1681 if (enabled) {
1682 wakeup_reason_mask |= (1 << reason);
1683 } else {
1684 wakeup_reason_mask &= ~(1 << reason);
1685 }
1686 }
1687
1688 void qemu_register_wakeup_notifier(Notifier *notifier)
1689 {
1690 notifier_list_add(&wakeup_notifiers, notifier);
1691 }
1692
1693 void qemu_system_killed(int signal, pid_t pid)
1694 {
1695 shutdown_signal = signal;
1696 shutdown_pid = pid;
1697 no_shutdown = 0;
1698 qemu_system_shutdown_request();
1699 }
1700
1701 void qemu_system_shutdown_request(void)
1702 {
1703 trace_qemu_system_shutdown_request();
1704 shutdown_requested = 1;
1705 qemu_notify_event();
1706 }
1707
1708 static void qemu_system_powerdown(void)
1709 {
1710 qapi_event_send_powerdown(&error_abort);
1711 notifier_list_notify(&powerdown_notifiers, NULL);
1712 }
1713
1714 void qemu_system_powerdown_request(void)
1715 {
1716 trace_qemu_system_powerdown_request();
1717 powerdown_requested = 1;
1718 qemu_notify_event();
1719 }
1720
1721 void qemu_register_powerdown_notifier(Notifier *notifier)
1722 {
1723 notifier_list_add(&powerdown_notifiers, notifier);
1724 }
1725
1726 void qemu_system_debug_request(void)
1727 {
1728 debug_requested = 1;
1729 qemu_notify_event();
1730 }
1731
1732 static bool main_loop_should_exit(void)
1733 {
1734 RunState r;
1735 if (qemu_debug_requested()) {
1736 vm_stop(RUN_STATE_DEBUG);
1737 }
1738 if (qemu_suspend_requested()) {
1739 qemu_system_suspend();
1740 }
1741 if (qemu_shutdown_requested()) {
1742 qemu_kill_report();
1743 qapi_event_send_shutdown(&error_abort);
1744 if (no_shutdown) {
1745 vm_stop(RUN_STATE_SHUTDOWN);
1746 } else {
1747 return true;
1748 }
1749 }
1750 if (qemu_reset_requested()) {
1751 pause_all_vcpus();
1752 cpu_synchronize_all_states();
1753 qemu_system_reset(VMRESET_REPORT);
1754 resume_all_vcpus();
1755 if (runstate_needs_reset()) {
1756 runstate_set(RUN_STATE_PAUSED);
1757 }
1758 }
1759 if (qemu_wakeup_requested()) {
1760 pause_all_vcpus();
1761 cpu_synchronize_all_states();
1762 qemu_system_reset(VMRESET_SILENT);
1763 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1764 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1765 resume_all_vcpus();
1766 qapi_event_send_wakeup(&error_abort);
1767 }
1768 if (qemu_powerdown_requested()) {
1769 qemu_system_powerdown();
1770 }
1771 if (qemu_vmstop_requested(&r)) {
1772 vm_stop(r);
1773 }
1774 return false;
1775 }
1776
1777 static void main_loop(void)
1778 {
1779 bool nonblocking;
1780 int last_io = 0;
1781 #ifdef CONFIG_PROFILER
1782 int64_t ti;
1783 #endif
1784 do {
1785 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1786 #ifdef CONFIG_PROFILER
1787 ti = profile_getclock();
1788 #endif
1789 last_io = main_loop_wait(nonblocking);
1790 #ifdef CONFIG_PROFILER
1791 dev_time += profile_getclock() - ti;
1792 #endif
1793 } while (!main_loop_should_exit());
1794 }
1795
1796 static void version(void)
1797 {
1798 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1799 }
1800
1801 static void help(int exitcode)
1802 {
1803 version();
1804 printf("usage: %s [options] [disk_image]\n\n"
1805 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1806 error_get_progname());
1807
1808 #define QEMU_OPTIONS_GENERATE_HELP
1809 #include "qemu-options-wrapper.h"
1810
1811 printf("\nDuring emulation, the following keys are useful:\n"
1812 "ctrl-alt-f toggle full screen\n"
1813 "ctrl-alt-n switch to virtual console 'n'\n"
1814 "ctrl-alt toggle mouse and keyboard grab\n"
1815 "\n"
1816 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1817
1818 exit(exitcode);
1819 }
1820
1821 #define HAS_ARG 0x0001
1822
1823 typedef struct QEMUOption {
1824 const char *name;
1825 int flags;
1826 int index;
1827 uint32_t arch_mask;
1828 } QEMUOption;
1829
1830 static const QEMUOption qemu_options[] = {
1831 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1832 #define QEMU_OPTIONS_GENERATE_OPTIONS
1833 #include "qemu-options-wrapper.h"
1834 { NULL },
1835 };
1836
1837 static bool vga_available(void)
1838 {
1839 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1840 }
1841
1842 static bool cirrus_vga_available(void)
1843 {
1844 return object_class_by_name("cirrus-vga")
1845 || object_class_by_name("isa-cirrus-vga");
1846 }
1847
1848 static bool vmware_vga_available(void)
1849 {
1850 return object_class_by_name("vmware-svga");
1851 }
1852
1853 static bool qxl_vga_available(void)
1854 {
1855 return object_class_by_name("qxl-vga");
1856 }
1857
1858 static bool tcx_vga_available(void)
1859 {
1860 return object_class_by_name("SUNW,tcx");
1861 }
1862
1863 static bool cg3_vga_available(void)
1864 {
1865 return object_class_by_name("cgthree");
1866 }
1867
1868 static void select_vgahw (const char *p)
1869 {
1870 const char *opts;
1871
1872 assert(vga_interface_type == VGA_NONE);
1873 if (strstart(p, "std", &opts)) {
1874 if (vga_available()) {
1875 vga_interface_type = VGA_STD;
1876 } else {
1877 fprintf(stderr, "Error: standard VGA not available\n");
1878 exit(0);
1879 }
1880 } else if (strstart(p, "cirrus", &opts)) {
1881 if (cirrus_vga_available()) {
1882 vga_interface_type = VGA_CIRRUS;
1883 } else {
1884 fprintf(stderr, "Error: Cirrus VGA not available\n");
1885 exit(0);
1886 }
1887 } else if (strstart(p, "vmware", &opts)) {
1888 if (vmware_vga_available()) {
1889 vga_interface_type = VGA_VMWARE;
1890 } else {
1891 fprintf(stderr, "Error: VMWare SVGA not available\n");
1892 exit(0);
1893 }
1894 } else if (strstart(p, "xenfb", &opts)) {
1895 vga_interface_type = VGA_XENFB;
1896 } else if (strstart(p, "qxl", &opts)) {
1897 if (qxl_vga_available()) {
1898 vga_interface_type = VGA_QXL;
1899 } else {
1900 fprintf(stderr, "Error: QXL VGA not available\n");
1901 exit(0);
1902 }
1903 } else if (strstart(p, "tcx", &opts)) {
1904 if (tcx_vga_available()) {
1905 vga_interface_type = VGA_TCX;
1906 } else {
1907 fprintf(stderr, "Error: TCX framebuffer not available\n");
1908 exit(0);
1909 }
1910 } else if (strstart(p, "cg3", &opts)) {
1911 if (cg3_vga_available()) {
1912 vga_interface_type = VGA_CG3;
1913 } else {
1914 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1915 exit(0);
1916 }
1917 } else if (!strstart(p, "none", &opts)) {
1918 invalid_vga:
1919 fprintf(stderr, "Unknown vga type: %s\n", p);
1920 exit(1);
1921 }
1922 while (*opts) {
1923 const char *nextopt;
1924
1925 if (strstart(opts, ",retrace=", &nextopt)) {
1926 opts = nextopt;
1927 if (strstart(opts, "dumb", &nextopt))
1928 vga_retrace_method = VGA_RETRACE_DUMB;
1929 else if (strstart(opts, "precise", &nextopt))
1930 vga_retrace_method = VGA_RETRACE_PRECISE;
1931 else goto invalid_vga;
1932 } else goto invalid_vga;
1933 opts = nextopt;
1934 }
1935 }
1936
1937 static DisplayType select_display(const char *p)
1938 {
1939 const char *opts;
1940 DisplayType display = DT_DEFAULT;
1941
1942 if (strstart(p, "sdl", &opts)) {
1943 #ifdef CONFIG_SDL
1944 display = DT_SDL;
1945 while (*opts) {
1946 const char *nextopt;
1947
1948 if (strstart(opts, ",frame=", &nextopt)) {
1949 opts = nextopt;
1950 if (strstart(opts, "on", &nextopt)) {
1951 no_frame = 0;
1952 } else if (strstart(opts, "off", &nextopt)) {
1953 no_frame = 1;
1954 } else {
1955 goto invalid_sdl_args;
1956 }
1957 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1958 opts = nextopt;
1959 if (strstart(opts, "on", &nextopt)) {
1960 alt_grab = 1;
1961 } else if (strstart(opts, "off", &nextopt)) {
1962 alt_grab = 0;
1963 } else {
1964 goto invalid_sdl_args;
1965 }
1966 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1967 opts = nextopt;
1968 if (strstart(opts, "on", &nextopt)) {
1969 ctrl_grab = 1;
1970 } else if (strstart(opts, "off", &nextopt)) {
1971 ctrl_grab = 0;
1972 } else {
1973 goto invalid_sdl_args;
1974 }
1975 } else if (strstart(opts, ",window_close=", &nextopt)) {
1976 opts = nextopt;
1977 if (strstart(opts, "on", &nextopt)) {
1978 no_quit = 0;
1979 } else if (strstart(opts, "off", &nextopt)) {
1980 no_quit = 1;
1981 } else {
1982 goto invalid_sdl_args;
1983 }
1984 } else if (strstart(opts, ",gl=", &nextopt)) {
1985 opts = nextopt;
1986 if (strstart(opts, "on", &nextopt)) {
1987 request_opengl = 1;
1988 } else if (strstart(opts, "off", &nextopt)) {
1989 request_opengl = 0;
1990 } else {
1991 goto invalid_sdl_args;
1992 }
1993 } else {
1994 invalid_sdl_args:
1995 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1996 exit(1);
1997 }
1998 opts = nextopt;
1999 }
2000 #else
2001 fprintf(stderr, "SDL support is disabled\n");
2002 exit(1);
2003 #endif
2004 } else if (strstart(p, "vnc", &opts)) {
2005 #ifdef CONFIG_VNC
2006 if (*opts == '=') {
2007 if (vnc_parse_func(opts+1) == NULL) {
2008 exit(1);
2009 }
2010 } else {
2011 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2012 exit(1);
2013 }
2014 #else
2015 fprintf(stderr, "VNC support is disabled\n");
2016 exit(1);
2017 #endif
2018 } else if (strstart(p, "curses", &opts)) {
2019 #ifdef CONFIG_CURSES
2020 display = DT_CURSES;
2021 #else
2022 fprintf(stderr, "Curses support is disabled\n");
2023 exit(1);
2024 #endif
2025 } else if (strstart(p, "gtk", &opts)) {
2026 #ifdef CONFIG_GTK
2027 display = DT_GTK;
2028 while (*opts) {
2029 const char *nextopt;
2030
2031 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2032 opts = nextopt;
2033 if (strstart(opts, "on", &nextopt)) {
2034 grab_on_hover = true;
2035 } else if (strstart(opts, "off", &nextopt)) {
2036 grab_on_hover = false;
2037 } else {
2038 goto invalid_gtk_args;
2039 }
2040 } else if (strstart(opts, ",gl=", &nextopt)) {
2041 opts = nextopt;
2042 if (strstart(opts, "on", &nextopt)) {
2043 request_opengl = 1;
2044 } else if (strstart(opts, "off", &nextopt)) {
2045 request_opengl = 0;
2046 } else {
2047 goto invalid_gtk_args;
2048 }
2049 } else {
2050 invalid_gtk_args:
2051 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2052 exit(1);
2053 }
2054 opts = nextopt;
2055 }
2056 #else
2057 fprintf(stderr, "GTK support is disabled\n");
2058 exit(1);
2059 #endif
2060 } else if (strstart(p, "none", &opts)) {
2061 display = DT_NONE;
2062 } else {
2063 fprintf(stderr, "Unknown display type: %s\n", p);
2064 exit(1);
2065 }
2066
2067 return display;
2068 }
2069
2070 static int balloon_parse(const char *arg)
2071 {
2072 QemuOpts *opts;
2073
2074 if (strcmp(arg, "none") == 0) {
2075 return 0;
2076 }
2077
2078 if (!strncmp(arg, "virtio", 6)) {
2079 if (arg[6] == ',') {
2080 /* have params -> parse them */
2081 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2082 if (!opts)
2083 return -1;
2084 } else {
2085 /* create empty opts */
2086 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2087 &error_abort);
2088 }
2089 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2090 return 0;
2091 }
2092
2093 return -1;
2094 }
2095
2096 char *qemu_find_file(int type, const char *name)
2097 {
2098 int i;
2099 const char *subdir;
2100 char *buf;
2101
2102 /* Try the name as a straight path first */
2103 if (access(name, R_OK) == 0) {
2104 trace_load_file(name, name);
2105 return g_strdup(name);
2106 }
2107
2108 switch (type) {
2109 case QEMU_FILE_TYPE_BIOS:
2110 subdir = "";
2111 break;
2112 case QEMU_FILE_TYPE_KEYMAP:
2113 subdir = "keymaps/";
2114 break;
2115 default:
2116 abort();
2117 }
2118
2119 for (i = 0; i < data_dir_idx; i++) {
2120 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2121 if (access(buf, R_OK) == 0) {
2122 trace_load_file(name, buf);
2123 return buf;
2124 }
2125 g_free(buf);
2126 }
2127 return NULL;
2128 }
2129
2130 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2131 {
2132 return qdev_device_help(opts);
2133 }
2134
2135 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2136 {
2137 DeviceState *dev;
2138
2139 dev = qdev_device_add(opts);
2140 if (!dev)
2141 return -1;
2142 object_unref(OBJECT(dev));
2143 return 0;
2144 }
2145
2146 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2147 {
2148 Error *local_err = NULL;
2149
2150 qemu_chr_new_from_opts(opts, NULL, &local_err);
2151 if (local_err) {
2152 error_report_err(local_err);
2153 return -1;
2154 }
2155 return 0;
2156 }
2157
2158 #ifdef CONFIG_VIRTFS
2159 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2160 {
2161 int ret;
2162 ret = qemu_fsdev_add(opts);
2163
2164 return ret;
2165 }
2166 #endif
2167
2168 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2169 {
2170 CharDriverState *chr;
2171 const char *chardev;
2172 const char *mode;
2173 int flags;
2174
2175 mode = qemu_opt_get(opts, "mode");
2176 if (mode == NULL) {
2177 mode = "readline";
2178 }
2179 if (strcmp(mode, "readline") == 0) {
2180 flags = MONITOR_USE_READLINE;
2181 } else if (strcmp(mode, "control") == 0) {
2182 flags = MONITOR_USE_CONTROL;
2183 } else {
2184 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2185 exit(1);
2186 }
2187
2188 if (qemu_opt_get_bool(opts, "pretty", 0))
2189 flags |= MONITOR_USE_PRETTY;
2190
2191 if (qemu_opt_get_bool(opts, "default", 0))
2192 flags |= MONITOR_IS_DEFAULT;
2193
2194 chardev = qemu_opt_get(opts, "chardev");
2195 chr = qemu_chr_find(chardev);
2196 if (chr == NULL) {
2197 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2198 exit(1);
2199 }
2200
2201 qemu_chr_fe_claim_no_fail(chr);
2202 monitor_init(chr, flags);
2203 return 0;
2204 }
2205
2206 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2207 {
2208 static int monitor_device_index = 0;
2209 Error *local_err = NULL;
2210 QemuOpts *opts;
2211 const char *p;
2212 char label[32];
2213 int def = 0;
2214
2215 if (strstart(optarg, "chardev:", &p)) {
2216 snprintf(label, sizeof(label), "%s", p);
2217 } else {
2218 snprintf(label, sizeof(label), "compat_monitor%d",
2219 monitor_device_index);
2220 if (monitor_device_index == 0) {
2221 def = 1;
2222 }
2223 opts = qemu_chr_parse_compat(label, optarg);
2224 if (!opts) {
2225 fprintf(stderr, "parse error: %s\n", optarg);
2226 exit(1);
2227 }
2228 }
2229
2230 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2231 if (!opts) {
2232 error_report_err(local_err);
2233 exit(1);
2234 }
2235 qemu_opt_set(opts, "mode", mode, &error_abort);
2236 qemu_opt_set(opts, "chardev", label, &error_abort);
2237 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2238 if (def)
2239 qemu_opt_set(opts, "default", "on", &error_abort);
2240 monitor_device_index++;
2241 }
2242
2243 struct device_config {
2244 enum {
2245 DEV_USB, /* -usbdevice */
2246 DEV_BT, /* -bt */
2247 DEV_SERIAL, /* -serial */
2248 DEV_PARALLEL, /* -parallel */
2249 DEV_VIRTCON, /* -virtioconsole */
2250 DEV_DEBUGCON, /* -debugcon */
2251 DEV_GDB, /* -gdb, -s */
2252 DEV_SCLP, /* s390 sclp */
2253 } type;
2254 const char *cmdline;
2255 Location loc;
2256 QTAILQ_ENTRY(device_config) next;
2257 };
2258
2259 static QTAILQ_HEAD(, device_config) device_configs =
2260 QTAILQ_HEAD_INITIALIZER(device_configs);
2261
2262 static void add_device_config(int type, const char *cmdline)
2263 {
2264 struct device_config *conf;
2265
2266 conf = g_malloc0(sizeof(*conf));
2267 conf->type = type;
2268 conf->cmdline = cmdline;
2269 loc_save(&conf->loc);
2270 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2271 }
2272
2273 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2274 {
2275 struct device_config *conf;
2276 int rc;
2277
2278 QTAILQ_FOREACH(conf, &device_configs, next) {
2279 if (conf->type != type)
2280 continue;
2281 loc_push_restore(&conf->loc);
2282 rc = func(conf->cmdline);
2283 loc_pop(&conf->loc);
2284 if (rc) {
2285 return rc;
2286 }
2287 }
2288 return 0;
2289 }
2290
2291 static int serial_parse(const char *devname)
2292 {
2293 static int index = 0;
2294 char label[32];
2295
2296 if (strcmp(devname, "none") == 0)
2297 return 0;
2298 if (index == MAX_SERIAL_PORTS) {
2299 fprintf(stderr, "qemu: too many serial ports\n");
2300 exit(1);
2301 }
2302 snprintf(label, sizeof(label), "serial%d", index);
2303 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2304 if (!serial_hds[index]) {
2305 fprintf(stderr, "qemu: could not connect serial device"
2306 " to character backend '%s'\n", devname);
2307 return -1;
2308 }
2309 index++;
2310 return 0;
2311 }
2312
2313 static int parallel_parse(const char *devname)
2314 {
2315 static int index = 0;
2316 char label[32];
2317
2318 if (strcmp(devname, "none") == 0)
2319 return 0;
2320 if (index == MAX_PARALLEL_PORTS) {
2321 fprintf(stderr, "qemu: too many parallel ports\n");
2322 exit(1);
2323 }
2324 snprintf(label, sizeof(label), "parallel%d", index);
2325 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2326 if (!parallel_hds[index]) {
2327 fprintf(stderr, "qemu: could not connect parallel device"
2328 " to character backend '%s'\n", devname);
2329 return -1;
2330 }
2331 index++;
2332 return 0;
2333 }
2334
2335 static int virtcon_parse(const char *devname)
2336 {
2337 QemuOptsList *device = qemu_find_opts("device");
2338 static int index = 0;
2339 char label[32];
2340 QemuOpts *bus_opts, *dev_opts;
2341
2342 if (strcmp(devname, "none") == 0)
2343 return 0;
2344 if (index == MAX_VIRTIO_CONSOLES) {
2345 fprintf(stderr, "qemu: too many virtio consoles\n");
2346 exit(1);
2347 }
2348
2349 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2350 if (arch_type == QEMU_ARCH_S390X) {
2351 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2352 } else {
2353 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2354 }
2355
2356 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2357 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2358
2359 snprintf(label, sizeof(label), "virtcon%d", index);
2360 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2361 if (!virtcon_hds[index]) {
2362 fprintf(stderr, "qemu: could not connect virtio console"
2363 " to character backend '%s'\n", devname);
2364 return -1;
2365 }
2366 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2367
2368 index++;
2369 return 0;
2370 }
2371
2372 static int sclp_parse(const char *devname)
2373 {
2374 QemuOptsList *device = qemu_find_opts("device");
2375 static int index = 0;
2376 char label[32];
2377 QemuOpts *dev_opts;
2378
2379 if (strcmp(devname, "none") == 0) {
2380 return 0;
2381 }
2382 if (index == MAX_SCLP_CONSOLES) {
2383 fprintf(stderr, "qemu: too many sclp consoles\n");
2384 exit(1);
2385 }
2386
2387 assert(arch_type == QEMU_ARCH_S390X);
2388
2389 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2390 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2391
2392 snprintf(label, sizeof(label), "sclpcon%d", index);
2393 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2394 if (!sclp_hds[index]) {
2395 fprintf(stderr, "qemu: could not connect sclp console"
2396 " to character backend '%s'\n", devname);
2397 return -1;
2398 }
2399 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2400
2401 index++;
2402 return 0;
2403 }
2404
2405 static int debugcon_parse(const char *devname)
2406 {
2407 QemuOpts *opts;
2408
2409 if (!qemu_chr_new("debugcon", devname, NULL)) {
2410 exit(1);
2411 }
2412 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2413 if (!opts) {
2414 fprintf(stderr, "qemu: already have a debugcon device\n");
2415 exit(1);
2416 }
2417 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2418 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2419 return 0;
2420 }
2421
2422 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2423 {
2424 const MachineClass *mc1 = a, *mc2 = b;
2425 int res;
2426
2427 if (mc1->family == NULL) {
2428 if (mc2->family == NULL) {
2429 /* Compare standalone machine types against each other; they sort
2430 * in increasing order.
2431 */
2432 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2433 object_class_get_name(OBJECT_CLASS(mc2)));
2434 }
2435
2436 /* Standalone machine types sort after families. */
2437 return 1;
2438 }
2439
2440 if (mc2->family == NULL) {
2441 /* Families sort before standalone machine types. */
2442 return -1;
2443 }
2444
2445 /* Families sort between each other alphabetically increasingly. */
2446 res = strcmp(mc1->family, mc2->family);
2447 if (res != 0) {
2448 return res;
2449 }
2450
2451 /* Within the same family, machine types sort in decreasing order. */
2452 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2453 object_class_get_name(OBJECT_CLASS(mc1)));
2454 }
2455
2456 static MachineClass *machine_parse(const char *name)
2457 {
2458 MachineClass *mc = NULL;
2459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2460
2461 if (name) {
2462 mc = find_machine(name);
2463 }
2464 if (mc) {
2465 g_slist_free(machines);
2466 return mc;
2467 }
2468 if (name && !is_help_option(name)) {
2469 error_report("Unsupported machine type");
2470 error_printf("Use -machine help to list supported machines!\n");
2471 } else {
2472 printf("Supported machines are:\n");
2473 machines = g_slist_sort(machines, machine_class_cmp);
2474 for (el = machines; el; el = el->next) {
2475 MachineClass *mc = el->data;
2476 if (mc->alias) {
2477 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2478 }
2479 printf("%-20s %s%s\n", mc->name, mc->desc,
2480 mc->is_default ? " (default)" : "");
2481 }
2482 }
2483
2484 g_slist_free(machines);
2485 exit(!name || !is_help_option(name));
2486 }
2487
2488 void qemu_add_exit_notifier(Notifier *notify)
2489 {
2490 notifier_list_add(&exit_notifiers, notify);
2491 }
2492
2493 void qemu_remove_exit_notifier(Notifier *notify)
2494 {
2495 notifier_remove(notify);
2496 }
2497
2498 static void qemu_run_exit_notifiers(void)
2499 {
2500 notifier_list_notify(&exit_notifiers, NULL);
2501 }
2502
2503 static bool machine_init_done;
2504
2505 void qemu_add_machine_init_done_notifier(Notifier *notify)
2506 {
2507 notifier_list_add(&machine_init_done_notifiers, notify);
2508 if (machine_init_done) {
2509 notify->notify(notify, NULL);
2510 }
2511 }
2512
2513 static void qemu_run_machine_init_done_notifiers(void)
2514 {
2515 notifier_list_notify(&machine_init_done_notifiers, NULL);
2516 machine_init_done = true;
2517 }
2518
2519 static const QEMUOption *lookup_opt(int argc, char **argv,
2520 const char **poptarg, int *poptind)
2521 {
2522 const QEMUOption *popt;
2523 int optind = *poptind;
2524 char *r = argv[optind];
2525 const char *optarg;
2526
2527 loc_set_cmdline(argv, optind, 1);
2528 optind++;
2529 /* Treat --foo the same as -foo. */
2530 if (r[1] == '-')
2531 r++;
2532 popt = qemu_options;
2533 for(;;) {
2534 if (!popt->name) {
2535 error_report("invalid option");
2536 exit(1);
2537 }
2538 if (!strcmp(popt->name, r + 1))
2539 break;
2540 popt++;
2541 }
2542 if (popt->flags & HAS_ARG) {
2543 if (optind >= argc) {
2544 error_report("requires an argument");
2545 exit(1);
2546 }
2547 optarg = argv[optind++];
2548 loc_set_cmdline(argv, optind - 2, 2);
2549 } else {
2550 optarg = NULL;
2551 }
2552
2553 *poptarg = optarg;
2554 *poptind = optind;
2555
2556 return popt;
2557 }
2558
2559 static gpointer malloc_and_trace(gsize n_bytes)
2560 {
2561 void *ptr = malloc(n_bytes);
2562 trace_g_malloc(n_bytes, ptr);
2563 return ptr;
2564 }
2565
2566 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2567 {
2568 void *ptr = realloc(mem, n_bytes);
2569 trace_g_realloc(mem, n_bytes, ptr);
2570 return ptr;
2571 }
2572
2573 static void free_and_trace(gpointer mem)
2574 {
2575 trace_g_free(mem);
2576 free(mem);
2577 }
2578
2579 static int machine_set_property(void *opaque,
2580 const char *name, const char *value,
2581 Error **errp)
2582 {
2583 Object *obj = OBJECT(opaque);
2584 Error *local_err = NULL;
2585 char *c, *qom_name;
2586
2587 if (strcmp(name, "type") == 0) {
2588 return 0;
2589 }
2590
2591 qom_name = g_strdup(name);
2592 c = qom_name;
2593 while (*c++) {
2594 if (*c == '_') {
2595 *c = '-';
2596 }
2597 }
2598
2599 object_property_parse(obj, value, qom_name, &local_err);
2600 g_free(qom_name);
2601
2602 if (local_err) {
2603 error_report_err(local_err);
2604 return -1;
2605 }
2606
2607 return 0;
2608 }
2609
2610 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2611 {
2612 Error *err = NULL;
2613 char *type = NULL;
2614 char *id = NULL;
2615 void *dummy = NULL;
2616 OptsVisitor *ov;
2617 QDict *pdict;
2618
2619 ov = opts_visitor_new(opts);
2620 pdict = qemu_opts_to_qdict(opts, NULL);
2621
2622 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2623 if (err) {
2624 goto out;
2625 }
2626
2627 qdict_del(pdict, "qom-type");
2628 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2629 if (err) {
2630 goto out;
2631 }
2632
2633 qdict_del(pdict, "id");
2634 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2635 if (err) {
2636 goto out;
2637 }
2638
2639 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2640 if (err) {
2641 goto out;
2642 }
2643 visit_end_struct(opts_get_visitor(ov), &err);
2644 if (err) {
2645 qmp_object_del(id, NULL);
2646 }
2647
2648 out:
2649 opts_visitor_cleanup(ov);
2650
2651 QDECREF(pdict);
2652 g_free(id);
2653 g_free(type);
2654 g_free(dummy);
2655 if (err) {
2656 error_report_err(err);
2657 return -1;
2658 }
2659 return 0;
2660 }
2661
2662 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2663 MachineClass *mc)
2664 {
2665 uint64_t sz;
2666 const char *mem_str;
2667 const char *maxmem_str, *slots_str;
2668 const ram_addr_t default_ram_size = mc->default_ram_size;
2669 QemuOpts *opts = qemu_find_opts_singleton("memory");
2670
2671 sz = 0;
2672 mem_str = qemu_opt_get(opts, "size");
2673 if (mem_str) {
2674 if (!*mem_str) {
2675 error_report("missing 'size' option value");
2676 exit(EXIT_FAILURE);
2677 }
2678
2679 sz = qemu_opt_get_size(opts, "size", ram_size);
2680
2681 /* Fix up legacy suffix-less format */
2682 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2683 uint64_t overflow_check = sz;
2684
2685 sz <<= 20;
2686 if ((sz >> 20) != overflow_check) {
2687 error_report("too large 'size' option value");
2688 exit(EXIT_FAILURE);
2689 }
2690 }
2691 }
2692
2693 /* backward compatibility behaviour for case "-m 0" */
2694 if (sz == 0) {
2695 sz = default_ram_size;
2696 }
2697
2698 sz = QEMU_ALIGN_UP(sz, 8192);
2699 ram_size = sz;
2700 if (ram_size != sz) {
2701 error_report("ram size too large");
2702 exit(EXIT_FAILURE);
2703 }
2704
2705 /* store value for the future use */
2706 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2707 *maxram_size = ram_size;
2708
2709 maxmem_str = qemu_opt_get(opts, "maxmem");
2710 slots_str = qemu_opt_get(opts, "slots");
2711 if (maxmem_str && slots_str) {
2712 uint64_t slots;
2713
2714 sz = qemu_opt_get_size(opts, "maxmem", 0);
2715 slots = qemu_opt_get_number(opts, "slots", 0);
2716 if (sz < ram_size) {
2717 error_report("invalid value of -m option maxmem: "
2718 "maximum memory size (0x%" PRIx64 ") must be at least "
2719 "the initial memory size (0x" RAM_ADDR_FMT ")",
2720 sz, ram_size);
2721 exit(EXIT_FAILURE);
2722 } else if (sz > ram_size) {
2723 if (!slots) {
2724 error_report("invalid value of -m option: maxmem was "
2725 "specified, but no hotplug slots were specified");
2726 exit(EXIT_FAILURE);
2727 }
2728 } else if (slots) {
2729 error_report("invalid value of -m option maxmem: "
2730 "memory slots were specified but maximum memory size "
2731 "(0x%" PRIx64 ") is equal to the initial memory size "
2732 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2733 exit(EXIT_FAILURE);
2734 }
2735
2736 *maxram_size = sz;
2737 *ram_slots = slots;
2738 } else if ((!maxmem_str && slots_str) ||
2739 (maxmem_str && !slots_str)) {
2740 error_report("invalid -m option value: missing "
2741 "'%s' option", slots_str ? "maxmem" : "slots");
2742 exit(EXIT_FAILURE);
2743 }
2744 }
2745
2746 int main(int argc, char **argv, char **envp)
2747 {
2748 int i;
2749 int snapshot, linux_boot;
2750 const char *initrd_filename;
2751 const char *kernel_filename, *kernel_cmdline;
2752 const char *boot_order = NULL;
2753 const char *boot_once = NULL;
2754 DisplayState *ds;
2755 int cyls, heads, secs, translation;
2756 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2757 QemuOptsList *olist;
2758 int optind;
2759 const char *optarg;
2760 const char *loadvm = NULL;
2761 MachineClass *machine_class;
2762 const char *cpu_model;
2763 const char *vga_model = NULL;
2764 const char *qtest_chrdev = NULL;
2765 const char *qtest_log = NULL;
2766 const char *pid_file = NULL;
2767 const char *incoming = NULL;
2768 #ifdef CONFIG_VNC
2769 int show_vnc_port = 0;
2770 #endif
2771 bool defconfig = true;
2772 bool userconfig = true;
2773 const char *log_mask = NULL;
2774 const char *log_file = NULL;
2775 GMemVTable mem_trace = {
2776 .malloc = malloc_and_trace,
2777 .realloc = realloc_and_trace,
2778 .free = free_and_trace,
2779 };
2780 const char *trace_events = NULL;
2781 const char *trace_file = NULL;
2782 ram_addr_t maxram_size;
2783 uint64_t ram_slots = 0;
2784 FILE *vmstate_dump_file = NULL;
2785 Error *main_loop_err = NULL;
2786
2787 qemu_init_cpu_loop();
2788 qemu_mutex_lock_iothread();
2789
2790 atexit(qemu_run_exit_notifiers);
2791 error_set_progname(argv[0]);
2792 qemu_init_exec_dir(argv[0]);
2793
2794 g_mem_set_vtable(&mem_trace);
2795
2796 module_call_init(MODULE_INIT_QOM);
2797
2798 qemu_add_opts(&qemu_drive_opts);
2799 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2800 qemu_add_drive_opts(&qemu_common_drive_opts);
2801 qemu_add_drive_opts(&qemu_drive_opts);
2802 qemu_add_opts(&qemu_chardev_opts);
2803 qemu_add_opts(&qemu_device_opts);
2804 qemu_add_opts(&qemu_netdev_opts);
2805 qemu_add_opts(&qemu_net_opts);
2806 qemu_add_opts(&qemu_rtc_opts);
2807 qemu_add_opts(&qemu_global_opts);
2808 qemu_add_opts(&qemu_mon_opts);
2809 qemu_add_opts(&qemu_trace_opts);
2810 qemu_add_opts(&qemu_option_rom_opts);
2811 qemu_add_opts(&qemu_machine_opts);
2812 qemu_add_opts(&qemu_mem_opts);
2813 qemu_add_opts(&qemu_smp_opts);
2814 qemu_add_opts(&qemu_boot_opts);
2815 qemu_add_opts(&qemu_sandbox_opts);
2816 qemu_add_opts(&qemu_add_fd_opts);
2817 qemu_add_opts(&qemu_object_opts);
2818 qemu_add_opts(&qemu_tpmdev_opts);
2819 qemu_add_opts(&qemu_realtime_opts);
2820 qemu_add_opts(&qemu_msg_opts);
2821 qemu_add_opts(&qemu_name_opts);
2822 qemu_add_opts(&qemu_numa_opts);
2823 qemu_add_opts(&qemu_icount_opts);
2824 qemu_add_opts(&qemu_semihosting_config_opts);
2825
2826 runstate_init();
2827
2828 rtc_clock = QEMU_CLOCK_HOST;
2829
2830 QLIST_INIT (&vm_change_state_head);
2831 os_setup_early_signal_handling();
2832
2833 module_call_init(MODULE_INIT_MACHINE);
2834 machine_class = find_default_machine();
2835 cpu_model = NULL;
2836 snapshot = 0;
2837 cyls = heads = secs = 0;
2838 translation = BIOS_ATA_TRANSLATION_AUTO;
2839
2840 nb_nics = 0;
2841
2842 bdrv_init_with_whitelist();
2843
2844 autostart = 1;
2845
2846 /* first pass of option parsing */
2847 optind = 1;
2848 while (optind < argc) {
2849 if (argv[optind][0] != '-') {
2850 /* disk image */
2851 optind++;
2852 } else {
2853 const QEMUOption *popt;
2854
2855 popt = lookup_opt(argc, argv, &optarg, &optind);
2856 switch (popt->index) {
2857 case QEMU_OPTION_nodefconfig:
2858 defconfig = false;
2859 break;
2860 case QEMU_OPTION_nouserconfig:
2861 userconfig = false;
2862 break;
2863 }
2864 }
2865 }
2866
2867 if (defconfig) {
2868 int ret;
2869 ret = qemu_read_default_config_files(userconfig);
2870 if (ret < 0) {
2871 exit(1);
2872 }
2873 }
2874
2875 /* second pass of option parsing */
2876 optind = 1;
2877 for(;;) {
2878 if (optind >= argc)
2879 break;
2880 if (argv[optind][0] != '-') {
2881 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2882 } else {
2883 const QEMUOption *popt;
2884
2885 popt = lookup_opt(argc, argv, &optarg, &optind);
2886 if (!(popt->arch_mask & arch_type)) {
2887 printf("Option %s not supported for this target\n", popt->name);
2888 exit(1);
2889 }
2890 switch(popt->index) {
2891 case QEMU_OPTION_no_kvm_irqchip: {
2892 olist = qemu_find_opts("machine");
2893 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2894 break;
2895 }
2896 case QEMU_OPTION_cpu:
2897 /* hw initialization will check this */
2898 cpu_model = optarg;
2899 break;
2900 case QEMU_OPTION_hda:
2901 {
2902 char buf[256];
2903 if (cyls == 0)
2904 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2905 else
2906 snprintf(buf, sizeof(buf),
2907 "%s,cyls=%d,heads=%d,secs=%d%s",
2908 HD_OPTS , cyls, heads, secs,
2909 translation == BIOS_ATA_TRANSLATION_LBA ?
2910 ",trans=lba" :
2911 translation == BIOS_ATA_TRANSLATION_NONE ?
2912 ",trans=none" : "");
2913 drive_add(IF_DEFAULT, 0, optarg, buf);
2914 break;
2915 }
2916 case QEMU_OPTION_hdb:
2917 case QEMU_OPTION_hdc:
2918 case QEMU_OPTION_hdd:
2919 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2920 HD_OPTS);
2921 break;
2922 case QEMU_OPTION_drive:
2923 if (drive_def(optarg) == NULL) {
2924 exit(1);
2925 }
2926 break;
2927 case QEMU_OPTION_set:
2928 if (qemu_set_option(optarg) != 0)
2929 exit(1);
2930 break;
2931 case QEMU_OPTION_global:
2932 if (qemu_global_option(optarg) != 0)
2933 exit(1);
2934 break;
2935 case QEMU_OPTION_mtdblock:
2936 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2937 break;
2938 case QEMU_OPTION_sd:
2939 drive_add(IF_SD, -1, optarg, SD_OPTS);
2940 break;
2941 case QEMU_OPTION_pflash:
2942 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2943 break;
2944 case QEMU_OPTION_snapshot:
2945 snapshot = 1;
2946 break;
2947 case QEMU_OPTION_hdachs:
2948 {
2949 const char *p;
2950 p = optarg;
2951 cyls = strtol(p, (char **)&p, 0);
2952 if (cyls < 1 || cyls > 16383)
2953 goto chs_fail;
2954 if (*p != ',')
2955 goto chs_fail;
2956 p++;
2957 heads = strtol(p, (char **)&p, 0);
2958 if (heads < 1 || heads > 16)
2959 goto chs_fail;
2960 if (*p != ',')
2961 goto chs_fail;
2962 p++;
2963 secs = strtol(p, (char **)&p, 0);
2964 if (secs < 1 || secs > 63)
2965 goto chs_fail;
2966 if (*p == ',') {
2967 p++;
2968 if (!strcmp(p, "large")) {
2969 translation = BIOS_ATA_TRANSLATION_LARGE;
2970 } else if (!strcmp(p, "rechs")) {
2971 translation = BIOS_ATA_TRANSLATION_RECHS;
2972 } else if (!strcmp(p, "none")) {
2973 translation = BIOS_ATA_TRANSLATION_NONE;
2974 } else if (!strcmp(p, "lba")) {
2975 translation = BIOS_ATA_TRANSLATION_LBA;
2976 } else if (!strcmp(p, "auto")) {
2977 translation = BIOS_ATA_TRANSLATION_AUTO;
2978 } else {
2979 goto chs_fail;
2980 }
2981 } else if (*p != '\0') {
2982 chs_fail:
2983 fprintf(stderr, "qemu: invalid physical CHS format\n");
2984 exit(1);
2985 }
2986 if (hda_opts != NULL) {
2987 qemu_opt_set_number(hda_opts, "cyls", cyls,
2988 &error_abort);
2989 qemu_opt_set_number(hda_opts, "heads", heads,
2990 &error_abort);
2991 qemu_opt_set_number(hda_opts, "secs", secs,
2992 &error_abort);
2993 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2994 qemu_opt_set(hda_opts, "trans", "large",
2995 &error_abort);
2996 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2997 qemu_opt_set(hda_opts, "trans", "rechs",
2998 &error_abort);
2999 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3000 qemu_opt_set(hda_opts, "trans", "lba",
3001 &error_abort);
3002 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3003 qemu_opt_set(hda_opts, "trans", "none",
3004 &error_abort);
3005 }
3006 }
3007 }
3008 break;
3009 case QEMU_OPTION_numa:
3010 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3011 if (!opts) {
3012 exit(1);
3013 }
3014 break;
3015 case QEMU_OPTION_display:
3016 display_type = select_display(optarg);
3017 break;
3018 case QEMU_OPTION_nographic:
3019 display_type = DT_NOGRAPHIC;
3020 break;
3021 case QEMU_OPTION_curses:
3022 #ifdef CONFIG_CURSES
3023 display_type = DT_CURSES;
3024 #else
3025 fprintf(stderr, "Curses support is disabled\n");
3026 exit(1);
3027 #endif
3028 break;
3029 case QEMU_OPTION_portrait:
3030 graphic_rotate = 90;
3031 break;
3032 case QEMU_OPTION_rotate:
3033 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3034 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3035 graphic_rotate != 180 && graphic_rotate != 270) {
3036 fprintf(stderr,
3037 "qemu: only 90, 180, 270 deg rotation is available\n");
3038 exit(1);
3039 }
3040 break;
3041 case QEMU_OPTION_kernel:
3042 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3043 &error_abort);
3044 break;
3045 case QEMU_OPTION_initrd:
3046 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3047 &error_abort);
3048 break;
3049 case QEMU_OPTION_append:
3050 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3051 &error_abort);
3052 break;
3053 case QEMU_OPTION_dtb:
3054 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3055 &error_abort);
3056 break;
3057 case QEMU_OPTION_cdrom:
3058 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3059 break;
3060 case QEMU_OPTION_boot:
3061 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3062 if (!opts) {
3063 exit(1);
3064 }
3065 break;
3066 case QEMU_OPTION_fda:
3067 case QEMU_OPTION_fdb:
3068 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3069 optarg, FD_OPTS);
3070 break;
3071 case QEMU_OPTION_no_fd_bootchk:
3072 fd_bootchk = 0;
3073 break;
3074 case QEMU_OPTION_netdev:
3075 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3076 exit(1);
3077 }
3078 break;
3079 case QEMU_OPTION_net:
3080 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3081 exit(1);
3082 }
3083 break;
3084 #ifdef CONFIG_LIBISCSI
3085 case QEMU_OPTION_iscsi:
3086 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3087 if (!opts) {
3088 exit(1);
3089 }
3090 break;
3091 #endif
3092 #ifdef CONFIG_SLIRP
3093 case QEMU_OPTION_tftp:
3094 legacy_tftp_prefix = optarg;
3095 break;
3096 case QEMU_OPTION_bootp:
3097 legacy_bootp_filename = optarg;
3098 break;
3099 case QEMU_OPTION_redir:
3100 if (net_slirp_redir(optarg) < 0)
3101 exit(1);
3102 break;
3103 #endif
3104 case QEMU_OPTION_bt:
3105 add_device_config(DEV_BT, optarg);
3106 break;
3107 case QEMU_OPTION_audio_help:
3108 AUD_help ();
3109 exit (0);
3110 break;
3111 case QEMU_OPTION_soundhw:
3112 select_soundhw (optarg);
3113 break;
3114 case QEMU_OPTION_h:
3115 help(0);
3116 break;
3117 case QEMU_OPTION_version:
3118 version();
3119 exit(0);
3120 break;
3121 case QEMU_OPTION_m:
3122 opts = qemu_opts_parse(qemu_find_opts("memory"),
3123 optarg, 1);
3124 if (!opts) {
3125 exit(EXIT_FAILURE);
3126 }
3127 break;
3128 #ifdef CONFIG_TPM
3129 case QEMU_OPTION_tpmdev:
3130 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3131 exit(1);
3132 }
3133 break;
3134 #endif
3135 case QEMU_OPTION_mempath:
3136 mem_path = optarg;
3137 break;
3138 case QEMU_OPTION_mem_prealloc:
3139 mem_prealloc = 1;
3140 break;
3141 case QEMU_OPTION_d:
3142 log_mask = optarg;
3143 break;
3144 case QEMU_OPTION_D:
3145 log_file = optarg;
3146 break;
3147 case QEMU_OPTION_s:
3148 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3149 break;
3150 case QEMU_OPTION_gdb:
3151 add_device_config(DEV_GDB, optarg);
3152 break;
3153 case QEMU_OPTION_L:
3154 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3155 data_dir[data_dir_idx++] = optarg;
3156 }
3157 break;
3158 case QEMU_OPTION_bios:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3160 &error_abort);
3161 break;
3162 case QEMU_OPTION_singlestep:
3163 singlestep = 1;
3164 break;
3165 case QEMU_OPTION_S:
3166 autostart = 0;
3167 break;
3168 case QEMU_OPTION_k:
3169 keyboard_layout = optarg;
3170 break;
3171 case QEMU_OPTION_localtime:
3172 rtc_utc = 0;
3173 break;
3174 case QEMU_OPTION_vga:
3175 vga_model = optarg;
3176 default_vga = 0;
3177 break;
3178 case QEMU_OPTION_g:
3179 {
3180 const char *p;
3181 int w, h, depth;
3182 p = optarg;
3183 w = strtol(p, (char **)&p, 10);
3184 if (w <= 0) {
3185 graphic_error:
3186 fprintf(stderr, "qemu: invalid resolution or depth\n");
3187 exit(1);
3188 }
3189 if (*p != 'x')
3190 goto graphic_error;
3191 p++;
3192 h = strtol(p, (char **)&p, 10);
3193 if (h <= 0)
3194 goto graphic_error;
3195 if (*p == 'x') {
3196 p++;
3197 depth = strtol(p, (char **)&p, 10);
3198 if (depth != 8 && depth != 15 && depth != 16 &&
3199 depth != 24 && depth != 32)
3200 goto graphic_error;
3201 } else if (*p == '\0') {
3202 depth = graphic_depth;
3203 } else {
3204 goto graphic_error;
3205 }
3206
3207 graphic_width = w;
3208 graphic_height = h;
3209 graphic_depth = depth;
3210 }
3211 break;
3212 case QEMU_OPTION_echr:
3213 {
3214 char *r;
3215 term_escape_char = strtol(optarg, &r, 0);
3216 if (r == optarg)
3217 printf("Bad argument to echr\n");
3218 break;
3219 }
3220 case QEMU_OPTION_monitor:
3221 default_monitor = 0;
3222 if (strncmp(optarg, "none", 4)) {
3223 monitor_parse(optarg, "readline", false);
3224 }
3225 break;
3226 case QEMU_OPTION_qmp:
3227 monitor_parse(optarg, "control", false);
3228 default_monitor = 0;
3229 break;
3230 case QEMU_OPTION_qmp_pretty:
3231 monitor_parse(optarg, "control", true);
3232 default_monitor = 0;
3233 break;
3234 case QEMU_OPTION_mon:
3235 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 default_monitor = 0;
3240 break;
3241 case QEMU_OPTION_chardev:
3242 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3243 if (!opts) {
3244 exit(1);
3245 }
3246 break;
3247 case QEMU_OPTION_fsdev:
3248 olist = qemu_find_opts("fsdev");
3249 if (!olist) {
3250 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3251 exit(1);
3252 }
3253 opts = qemu_opts_parse(olist, optarg, 1);
3254 if (!opts) {
3255 exit(1);
3256 }
3257 break;
3258 case QEMU_OPTION_virtfs: {
3259 QemuOpts *fsdev;
3260 QemuOpts *device;
3261 const char *writeout, *sock_fd, *socket;
3262
3263 olist = qemu_find_opts("virtfs");
3264 if (!olist) {
3265 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3266 exit(1);
3267 }
3268 opts = qemu_opts_parse(olist, optarg, 1);
3269 if (!opts) {
3270 exit(1);
3271 }
3272
3273 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3274 qemu_opt_get(opts, "mount_tag") == NULL) {
3275 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3276 exit(1);
3277 }
3278 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3279 qemu_opt_get(opts, "mount_tag"),
3280 1, NULL);
3281 if (!fsdev) {
3282 fprintf(stderr, "duplicate fsdev id: %s\n",
3283 qemu_opt_get(opts, "mount_tag"));
3284 exit(1);
3285 }
3286
3287 writeout = qemu_opt_get(opts, "writeout");
3288 if (writeout) {
3289 #ifdef CONFIG_SYNC_FILE_RANGE
3290 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3291 #else
3292 fprintf(stderr, "writeout=immediate not supported on "
3293 "this platform\n");
3294 exit(1);
3295 #endif
3296 }
3297 qemu_opt_set(fsdev, "fsdriver",
3298 qemu_opt_get(opts, "fsdriver"), &error_abort);
3299 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3300 &error_abort);
3301 qemu_opt_set(fsdev, "security_model",
3302 qemu_opt_get(opts, "security_model"),
3303 &error_abort);
3304 socket = qemu_opt_get(opts, "socket");
3305 if (socket) {
3306 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3307 }
3308 sock_fd = qemu_opt_get(opts, "sock_fd");
3309 if (sock_fd) {
3310 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3311 }
3312
3313 qemu_opt_set_bool(fsdev, "readonly",
3314 qemu_opt_get_bool(opts, "readonly", 0),
3315 &error_abort);
3316 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3317 &error_abort);
3318 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3319 qemu_opt_set(device, "fsdev",
3320 qemu_opt_get(opts, "mount_tag"), &error_abort);
3321 qemu_opt_set(device, "mount_tag",
3322 qemu_opt_get(opts, "mount_tag"), &error_abort);
3323 break;
3324 }
3325 case QEMU_OPTION_virtfs_synth: {
3326 QemuOpts *fsdev;
3327 QemuOpts *device;
3328
3329 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3330 1, NULL);
3331 if (!fsdev) {
3332 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3333 exit(1);
3334 }
3335 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3336
3337 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3338 &error_abort);
3339 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3340 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3341 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3342 break;
3343 }
3344 case QEMU_OPTION_serial:
3345 add_device_config(DEV_SERIAL, optarg);
3346 default_serial = 0;
3347 if (strncmp(optarg, "mon:", 4) == 0) {
3348 default_monitor = 0;
3349 }
3350 break;
3351 case QEMU_OPTION_watchdog:
3352 if (watchdog) {
3353 fprintf(stderr,
3354 "qemu: only one watchdog option may be given\n");
3355 return 1;
3356 }
3357 watchdog = optarg;
3358 break;
3359 case QEMU_OPTION_watchdog_action:
3360 if (select_watchdog_action(optarg) == -1) {
3361 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3362 exit(1);
3363 }
3364 break;
3365 case QEMU_OPTION_virtiocon:
3366 add_device_config(DEV_VIRTCON, optarg);
3367 default_virtcon = 0;
3368 if (strncmp(optarg, "mon:", 4) == 0) {
3369 default_monitor = 0;
3370 }
3371 break;
3372 case QEMU_OPTION_parallel:
3373 add_device_config(DEV_PARALLEL, optarg);
3374 default_parallel = 0;
3375 if (strncmp(optarg, "mon:", 4) == 0) {
3376 default_monitor = 0;
3377 }
3378 break;
3379 case QEMU_OPTION_debugcon:
3380 add_device_config(DEV_DEBUGCON, optarg);
3381 break;
3382 case QEMU_OPTION_loadvm:
3383 loadvm = optarg;
3384 break;
3385 case QEMU_OPTION_full_screen:
3386 full_screen = 1;
3387 break;
3388 case QEMU_OPTION_no_frame:
3389 no_frame = 1;
3390 break;
3391 case QEMU_OPTION_alt_grab:
3392 alt_grab = 1;
3393 break;
3394 case QEMU_OPTION_ctrl_grab:
3395 ctrl_grab = 1;
3396 break;
3397 case QEMU_OPTION_no_quit:
3398 no_quit = 1;
3399 break;
3400 case QEMU_OPTION_sdl:
3401 #ifdef CONFIG_SDL
3402 display_type = DT_SDL;
3403 break;
3404 #else
3405 fprintf(stderr, "SDL support is disabled\n");
3406 exit(1);
3407 #endif
3408 case QEMU_OPTION_pidfile:
3409 pid_file = optarg;
3410 break;
3411 case QEMU_OPTION_win2k_hack:
3412 win2k_install_hack = 1;
3413 break;
3414 case QEMU_OPTION_rtc_td_hack: {
3415 static GlobalProperty slew_lost_ticks[] = {
3416 {
3417 .driver = "mc146818rtc",
3418 .property = "lost_tick_policy",
3419 .value = "slew",
3420 },
3421 { /* end of list */ }
3422 };
3423
3424 qdev_prop_register_global_list(slew_lost_ticks);
3425 break;
3426 }
3427 case QEMU_OPTION_acpitable:
3428 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3429 if (!opts) {
3430 exit(1);
3431 }
3432 do_acpitable_option(opts);
3433 break;
3434 case QEMU_OPTION_smbios:
3435 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 do_smbios_option(opts);
3440 break;
3441 case QEMU_OPTION_enable_kvm:
3442 olist = qemu_find_opts("machine");
3443 qemu_opts_parse(olist, "accel=kvm", 0);
3444 break;
3445 case QEMU_OPTION_M:
3446 case QEMU_OPTION_machine:
3447 olist = qemu_find_opts("machine");
3448 opts = qemu_opts_parse(olist, optarg, 1);
3449 if (!opts) {
3450 exit(1);
3451 }
3452 break;
3453 case QEMU_OPTION_no_kvm:
3454 olist = qemu_find_opts("machine");
3455 qemu_opts_parse(olist, "accel=tcg", 0);
3456 break;
3457 case QEMU_OPTION_no_kvm_pit: {
3458 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3459 "separately.\n");
3460 break;
3461 }
3462 case QEMU_OPTION_no_kvm_pit_reinjection: {
3463 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3464 {
3465 .driver = "kvm-pit",
3466 .property = "lost_tick_policy",
3467 .value = "discard",
3468 },
3469 { /* end of list */ }
3470 };
3471
3472 fprintf(stderr, "Warning: option deprecated, use "
3473 "lost_tick_policy property of kvm-pit instead.\n");
3474 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3475 break;
3476 }
3477 case QEMU_OPTION_usb:
3478 olist = qemu_find_opts("machine");
3479 qemu_opts_parse(olist, "usb=on", 0);
3480 break;
3481 case QEMU_OPTION_usbdevice:
3482 olist = qemu_find_opts("machine");
3483 qemu_opts_parse(olist, "usb=on", 0);
3484 add_device_config(DEV_USB, optarg);
3485 break;
3486 case QEMU_OPTION_device:
3487 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3488 exit(1);
3489 }
3490 break;
3491 case QEMU_OPTION_smp:
3492 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3493 exit(1);
3494 }
3495 break;
3496 case QEMU_OPTION_vnc:
3497 #ifdef CONFIG_VNC
3498 if (vnc_parse_func(optarg) == NULL) {
3499 exit(1);
3500 }
3501 #else
3502 fprintf(stderr, "VNC support is disabled\n");
3503 exit(1);
3504 #endif
3505 break;
3506 case QEMU_OPTION_no_acpi:
3507 acpi_enabled = 0;
3508 break;
3509 case QEMU_OPTION_no_hpet:
3510 no_hpet = 1;
3511 break;
3512 case QEMU_OPTION_balloon:
3513 if (balloon_parse(optarg) < 0) {
3514 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3515 exit(1);
3516 }
3517 break;
3518 case QEMU_OPTION_no_reboot:
3519 no_reboot = 1;
3520 break;
3521 case QEMU_OPTION_no_shutdown:
3522 no_shutdown = 1;
3523 break;
3524 case QEMU_OPTION_show_cursor:
3525 cursor_hide = 0;
3526 break;
3527 case QEMU_OPTION_uuid:
3528 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3529 fprintf(stderr, "Fail to parse UUID string."
3530 " Wrong format.\n");
3531 exit(1);
3532 }
3533 qemu_uuid_set = true;
3534 break;
3535 case QEMU_OPTION_option_rom:
3536 if (nb_option_roms >= MAX_OPTION_ROMS) {
3537 fprintf(stderr, "Too many option ROMs\n");
3538 exit(1);
3539 }
3540 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3541 if (!opts) {
3542 exit(1);
3543 }
3544 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3545 option_rom[nb_option_roms].bootindex =
3546 qemu_opt_get_number(opts, "bootindex", -1);
3547 if (!option_rom[nb_option_roms].name) {
3548 fprintf(stderr, "Option ROM file is not specified\n");
3549 exit(1);
3550 }
3551 nb_option_roms++;
3552 break;
3553 case QEMU_OPTION_semihosting:
3554 semihosting_enabled = 1;
3555 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3556 break;
3557 case QEMU_OPTION_semihosting_config:
3558 semihosting_enabled = 1;
3559 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3560 optarg, 0);
3561 if (opts != NULL) {
3562 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3563 true);
3564 const char *target = qemu_opt_get(opts, "target");
3565 if (target != NULL) {
3566 if (strcmp("native", target) == 0) {
3567 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3568 } else if (strcmp("gdb", target) == 0) {
3569 semihosting_target = SEMIHOSTING_TARGET_GDB;
3570 } else if (strcmp("auto", target) == 0) {
3571 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3572 } else {
3573 fprintf(stderr, "Unsupported semihosting-config"
3574 " %s\n",
3575 optarg);
3576 exit(1);
3577 }
3578 } else {
3579 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3580 }
3581 } else {
3582 fprintf(stderr, "Unsupported semihosting-config %s\n",
3583 optarg);
3584 exit(1);
3585 }
3586 break;
3587 case QEMU_OPTION_tdf:
3588 fprintf(stderr, "Warning: user space PIT time drift fix "
3589 "is no longer supported.\n");
3590 break;
3591 case QEMU_OPTION_name:
3592 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3593 if (!opts) {
3594 exit(1);
3595 }
3596 break;
3597 case QEMU_OPTION_prom_env:
3598 if (nb_prom_envs >= MAX_PROM_ENVS) {
3599 fprintf(stderr, "Too many prom variables\n");
3600 exit(1);
3601 }
3602 prom_envs[nb_prom_envs] = optarg;
3603 nb_prom_envs++;
3604 break;
3605 case QEMU_OPTION_old_param:
3606 old_param = 1;
3607 break;
3608 case QEMU_OPTION_clock:
3609 /* Clock options no longer exist. Keep this option for
3610 * backward compatibility.
3611 */
3612 break;
3613 case QEMU_OPTION_startdate:
3614 configure_rtc_date_offset(optarg, 1);
3615 break;
3616 case QEMU_OPTION_rtc:
3617 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3618 if (!opts) {
3619 exit(1);
3620 }
3621 configure_rtc(opts);
3622 break;
3623 case QEMU_OPTION_tb_size:
3624 tcg_tb_size = strtol(optarg, NULL, 0);
3625 if (tcg_tb_size < 0) {
3626 tcg_tb_size = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_icount:
3630 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3631 optarg, 1);
3632 if (!icount_opts) {
3633 exit(1);
3634 }
3635 break;
3636 case QEMU_OPTION_incoming:
3637 if (!incoming) {
3638 runstate_set(RUN_STATE_INMIGRATE);
3639 }
3640 incoming = optarg;
3641 break;
3642 case QEMU_OPTION_nodefaults:
3643 has_defaults = 0;
3644 break;
3645 case QEMU_OPTION_xen_domid:
3646 if (!(xen_available())) {
3647 printf("Option %s not supported for this target\n", popt->name);
3648 exit(1);
3649 }
3650 xen_domid = atoi(optarg);
3651 break;
3652 case QEMU_OPTION_xen_create:
3653 if (!(xen_available())) {
3654 printf("Option %s not supported for this target\n", popt->name);
3655 exit(1);
3656 }
3657 xen_mode = XEN_CREATE;
3658 break;
3659 case QEMU_OPTION_xen_attach:
3660 if (!(xen_available())) {
3661 printf("Option %s not supported for this target\n", popt->name);
3662 exit(1);
3663 }
3664 xen_mode = XEN_ATTACH;
3665 break;
3666 case QEMU_OPTION_trace:
3667 {
3668 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3669 if (!opts) {
3670 exit(1);
3671 }
3672 trace_events = qemu_opt_get(opts, "events");
3673 trace_file = qemu_opt_get(opts, "file");
3674 break;
3675 }
3676 case QEMU_OPTION_readconfig:
3677 {
3678 int ret = qemu_read_config_file(optarg);
3679 if (ret < 0) {
3680 fprintf(stderr, "read config %s: %s\n", optarg,
3681 strerror(-ret));
3682 exit(1);
3683 }
3684 break;
3685 }
3686 case QEMU_OPTION_spice:
3687 olist = qemu_find_opts("spice");
3688 if (!olist) {
3689 fprintf(stderr, "spice is not supported by this qemu build.\n");
3690 exit(1);
3691 }
3692 opts = qemu_opts_parse(olist, optarg, 0);
3693 if (!opts) {
3694 exit(1);
3695 }
3696 display_remote++;
3697 break;
3698 case QEMU_OPTION_writeconfig:
3699 {
3700 FILE *fp;
3701 if (strcmp(optarg, "-") == 0) {
3702 fp = stdout;
3703 } else {
3704 fp = fopen(optarg, "w");
3705 if (fp == NULL) {
3706 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3707 exit(1);
3708 }
3709 }
3710 qemu_config_write(fp);
3711 if (fp != stdout) {
3712 fclose(fp);
3713 }
3714 break;
3715 }
3716 case QEMU_OPTION_qtest:
3717 qtest_chrdev = optarg;
3718 break;
3719 case QEMU_OPTION_qtest_log:
3720 qtest_log = optarg;
3721 break;
3722 case QEMU_OPTION_sandbox:
3723 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_add_fd:
3729 #ifndef _WIN32
3730 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 #else
3735 error_report("File descriptor passing is disabled on this "
3736 "platform");
3737 exit(1);
3738 #endif
3739 break;
3740 case QEMU_OPTION_object:
3741 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_realtime:
3747 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3752 break;
3753 case QEMU_OPTION_msg:
3754 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3755 if (!opts) {
3756 exit(1);
3757 }
3758 configure_msg(opts);
3759 break;
3760 case QEMU_OPTION_dump_vmstate:
3761 if (vmstate_dump_file) {
3762 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3763 "option may be given\n");
3764 exit(1);
3765 }
3766 vmstate_dump_file = fopen(optarg, "w");
3767 if (vmstate_dump_file == NULL) {
3768 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3769 exit(1);
3770 }
3771 break;
3772 default:
3773 os_parse_cmd_args(popt->index, optarg);
3774 }
3775 }
3776 }
3777
3778 opts = qemu_get_machine_opts();
3779 optarg = qemu_opt_get(opts, "type");
3780 if (optarg) {
3781 machine_class = machine_parse(optarg);
3782 }
3783
3784 if (machine_class == NULL) {
3785 fprintf(stderr, "No machine specified, and there is no default.\n"
3786 "Use -machine help to list supported machines!\n");
3787 exit(1);
3788 }
3789
3790 set_memory_options(&ram_slots, &maxram_size, machine_class);
3791
3792 loc_set_none();
3793
3794 os_daemonize();
3795
3796 if (qemu_init_main_loop(&main_loop_err)) {
3797 error_report_err(main_loop_err);
3798 exit(1);
3799 }
3800
3801 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3802 parse_sandbox, NULL, NULL)) {
3803 exit(1);
3804 }
3805
3806 if (qemu_opts_foreach(qemu_find_opts("name"),
3807 parse_name, NULL, NULL)) {
3808 exit(1);
3809 }
3810
3811 #ifndef _WIN32
3812 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3813 parse_add_fd, NULL, NULL)) {
3814 exit(1);
3815 }
3816
3817 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3818 cleanup_add_fd, NULL, NULL)) {
3819 exit(1);
3820 }
3821 #endif
3822
3823 current_machine = MACHINE(object_new(object_class_get_name(
3824 OBJECT_CLASS(machine_class))));
3825 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3826 exit(0);
3827 }
3828 object_property_add_child(object_get_root(), "machine",
3829 OBJECT(current_machine), &error_abort);
3830 cpu_exec_init_all();
3831
3832 if (machine_class->hw_version) {
3833 qemu_set_version(machine_class->hw_version);
3834 }
3835
3836 /* Init CPU def lists, based on config
3837 * - Must be called after all the qemu_read_config_file() calls
3838 * - Must be called before list_cpus()
3839 * - Must be called before machine->init()
3840 */
3841 cpudef_init();
3842
3843 if (cpu_model && is_help_option(cpu_model)) {
3844 list_cpus(stdout, &fprintf, cpu_model);
3845 exit(0);
3846 }
3847
3848 /* Open the logfile at this point, if necessary. We can't open the logfile
3849 * when encountering either of the logging options (-d or -D) because the
3850 * other one may be encountered later on the command line, changing the
3851 * location or level of logging.
3852 */
3853 if (log_mask) {
3854 int mask;
3855 if (log_file) {
3856 qemu_set_log_filename(log_file);
3857 }
3858
3859 mask = qemu_str_to_log_mask(log_mask);
3860 if (!mask) {
3861 qemu_print_log_usage(stdout);
3862 exit(1);
3863 }
3864 qemu_set_log(mask);
3865 }
3866
3867 if (!is_daemonized()) {
3868 if (!trace_init_backends(trace_events, trace_file)) {
3869 exit(1);
3870 }
3871 }
3872
3873 /* If no data_dir is specified then try to find it relative to the
3874 executable path. */
3875 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3876 data_dir[data_dir_idx] = os_find_datadir();
3877 if (data_dir[data_dir_idx] != NULL) {
3878 data_dir_idx++;
3879 }
3880 }
3881 /* If all else fails use the install path specified when building. */
3882 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3883 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3884 }
3885
3886 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3887
3888 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3889 if (max_cpus > machine_class->max_cpus) {
3890 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3891 "supported by machine `%s' (%d)\n", max_cpus,
3892 machine_class->name, machine_class->max_cpus);
3893 exit(1);
3894 }
3895
3896 /*
3897 * Get the default machine options from the machine if it is not already
3898 * specified either by the configuration file or by the command line.
3899 */
3900 if (machine_class->default_machine_opts) {
3901 qemu_opts_set_defaults(qemu_find_opts("machine"),
3902 machine_class->default_machine_opts, 0);
3903 }
3904
3905 qemu_opts_foreach(qemu_find_opts("device"),
3906 default_driver_check, NULL, NULL);
3907 qemu_opts_foreach(qemu_find_opts("global"),
3908 default_driver_check, NULL, NULL);
3909
3910 if (!vga_model && !default_vga) {
3911 vga_interface_type = VGA_DEVICE;
3912 }
3913 if (!has_defaults || machine_class->no_serial) {
3914 default_serial = 0;
3915 }
3916 if (!has_defaults || machine_class->no_parallel) {
3917 default_parallel = 0;
3918 }
3919 if (!has_defaults || !machine_class->use_virtcon) {
3920 default_virtcon = 0;
3921 }
3922 if (!has_defaults || !machine_class->use_sclp) {
3923 default_sclp = 0;
3924 }
3925 if (!has_defaults || machine_class->no_floppy) {
3926 default_floppy = 0;
3927 }
3928 if (!has_defaults || machine_class->no_cdrom) {
3929 default_cdrom = 0;
3930 }
3931 if (!has_defaults || machine_class->no_sdcard) {
3932 default_sdcard = 0;
3933 }
3934 if (!has_defaults) {
3935 default_monitor = 0;
3936 default_net = 0;
3937 default_vga = 0;
3938 }
3939
3940 if (is_daemonized()) {
3941 /* According to documentation and historically, -nographic redirects
3942 * serial port, parallel port and monitor to stdio, which does not work
3943 * with -daemonize. We can redirect these to null instead, but since
3944 * -nographic is legacy, let's just error out.
3945 * We disallow -nographic only if all other ports are not redirected
3946 * explicitly, to not break existing legacy setups which uses
3947 * -nographic _and_ redirects all ports explicitly - this is valid
3948 * usage, -nographic is just a no-op in this case.
3949 */
3950 if (display_type == DT_NOGRAPHIC
3951 && (default_parallel || default_serial
3952 || default_monitor || default_virtcon)) {
3953 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3954 exit(1);
3955 }
3956 #ifdef CONFIG_CURSES
3957 if (display_type == DT_CURSES) {
3958 fprintf(stderr, "curses display can not be used with -daemonize\n");
3959 exit(1);
3960 }
3961 #endif
3962 }
3963
3964 if (display_type == DT_NOGRAPHIC) {
3965 if (default_parallel)
3966 add_device_config(DEV_PARALLEL, "null");
3967 if (default_serial && default_monitor) {
3968 add_device_config(DEV_SERIAL, "mon:stdio");
3969 } else if (default_virtcon && default_monitor) {
3970 add_device_config(DEV_VIRTCON, "mon:stdio");
3971 } else if (default_sclp && default_monitor) {
3972 add_device_config(DEV_SCLP, "mon:stdio");
3973 } else {
3974 if (default_serial)
3975 add_device_config(DEV_SERIAL, "stdio");
3976 if (default_virtcon)
3977 add_device_config(DEV_VIRTCON, "stdio");
3978 if (default_sclp) {
3979 add_device_config(DEV_SCLP, "stdio");
3980 }
3981 if (default_monitor)
3982 monitor_parse("stdio", "readline", false);
3983 }
3984 } else {
3985 if (default_serial)
3986 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3987 if (default_parallel)
3988 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3989 if (default_monitor)
3990 monitor_parse("vc:80Cx24C", "readline", false);
3991 if (default_virtcon)
3992 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3993 if (default_sclp) {
3994 add_device_config(DEV_SCLP, "vc:80Cx24C");
3995 }
3996 }
3997
3998 #if defined(CONFIG_VNC)
3999 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4000 display_remote++;
4001 }
4002 #endif
4003 if (display_type == DT_DEFAULT && !display_remote) {
4004 #if defined(CONFIG_GTK)
4005 display_type = DT_GTK;
4006 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4007 display_type = DT_SDL;
4008 #elif defined(CONFIG_VNC)
4009 vnc_parse_func("localhost:0,to=99,id=default");
4010 show_vnc_port = 1;
4011 #else
4012 display_type = DT_NONE;
4013 #endif
4014 }
4015
4016 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4017 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4018 "for SDL, ignoring option\n");
4019 }
4020 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4021 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4022 "ignoring option\n");
4023 }
4024
4025 #if defined(CONFIG_GTK)
4026 if (display_type == DT_GTK) {
4027 early_gtk_display_init(request_opengl);
4028 }
4029 #endif
4030 #if defined(CONFIG_SDL)
4031 if (display_type == DT_SDL) {
4032 sdl_display_early_init(request_opengl);
4033 }
4034 #endif
4035 if (request_opengl == 1 && display_opengl == 0) {
4036 #if defined(CONFIG_OPENGL)
4037 fprintf(stderr, "OpenGL is not supported by the display.\n");
4038 #else
4039 fprintf(stderr, "QEMU was built without opengl support.\n");
4040 #endif
4041 exit(1);
4042 }
4043
4044 socket_init();
4045
4046 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4047 chardev_init_func, NULL, NULL)) {
4048 exit(1);
4049 }
4050
4051 #ifdef CONFIG_VIRTFS
4052 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4053 fsdev_init_func, NULL, NULL)) {
4054 exit(1);
4055 }
4056 #endif
4057
4058 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4059 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4060 exit(1);
4061 }
4062
4063 if (qemu_opts_foreach(qemu_find_opts("device"),
4064 device_help_func, NULL, NULL)) {
4065 exit(0);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("object"),
4069 object_create, NULL, NULL)) {
4070 exit(1);
4071 }
4072
4073 machine_opts = qemu_get_machine_opts();
4074 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4075 NULL)) {
4076 object_unref(OBJECT(current_machine));
4077 exit(1);
4078 }
4079
4080 configure_accelerator(current_machine);
4081
4082 if (qtest_chrdev) {
4083 Error *local_err = NULL;
4084 qtest_init(qtest_chrdev, qtest_log, &local_err);
4085 if (local_err) {
4086 error_report_err(local_err);
4087 exit(1);
4088 }
4089 }
4090
4091 machine_opts = qemu_get_machine_opts();
4092 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4093 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4094 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4095 bios_name = qemu_opt_get(machine_opts, "firmware");
4096
4097 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4098 if (opts) {
4099 Error *local_err = NULL;
4100
4101 boot_order = qemu_opt_get(opts, "order");
4102 if (boot_order) {
4103 validate_bootdevices(boot_order, &local_err);
4104 if (local_err) {
4105 error_report_err(local_err);
4106 exit(1);
4107 }
4108 }
4109
4110 boot_once = qemu_opt_get(opts, "once");
4111 if (boot_once) {
4112 validate_bootdevices(boot_once, &local_err);
4113 if (local_err) {
4114 error_report_err(local_err);
4115 exit(1);
4116 }
4117 }
4118
4119 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4120 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4121 }
4122
4123 if (!boot_order) {
4124 boot_order = machine_class->default_boot_order;
4125 }
4126
4127 if (!kernel_cmdline) {
4128 kernel_cmdline = "";
4129 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4130 }
4131
4132 linux_boot = (kernel_filename != NULL);
4133
4134 if (!linux_boot && *kernel_cmdline != '\0') {
4135 fprintf(stderr, "-append only allowed with -kernel option\n");
4136 exit(1);
4137 }
4138
4139 if (!linux_boot && initrd_filename != NULL) {
4140 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4141 exit(1);
4142 }
4143
4144 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4145 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4146 exit(1);
4147 }
4148
4149 os_set_line_buffering();
4150
4151 #ifdef CONFIG_SPICE
4152 /* spice needs the timers to be initialized by this point */
4153 qemu_spice_init();
4154 #endif
4155
4156 cpu_ticks_init();
4157 if (icount_opts) {
4158 if (kvm_enabled() || xen_enabled()) {
4159 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4160 exit(1);
4161 }
4162 configure_icount(icount_opts, &error_abort);
4163 qemu_opts_del(icount_opts);
4164 }
4165
4166 /* clean up network at qemu process termination */
4167 atexit(&net_cleanup);
4168
4169 if (net_init_clients() < 0) {
4170 exit(1);
4171 }
4172
4173 #ifdef CONFIG_TPM
4174 if (tpm_init() < 0) {
4175 exit(1);
4176 }
4177 #endif
4178
4179 /* init the bluetooth world */
4180 if (foreach_device_config(DEV_BT, bt_parse))
4181 exit(1);
4182
4183 if (!xen_enabled()) {
4184 /* On 32-bit hosts, QEMU is limited by virtual address space */
4185 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4186 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4187 exit(1);
4188 }
4189 }
4190
4191 blk_mig_init();
4192 ram_mig_init();
4193
4194 /* If the currently selected machine wishes to override the units-per-bus
4195 * property of its default HBA interface type, do so now. */
4196 if (machine_class->units_per_default_bus) {
4197 override_max_devs(machine_class->block_default_type,
4198 machine_class->units_per_default_bus);
4199 }
4200
4201 /* open the virtual block devices */
4202 if (snapshot)
4203 qemu_opts_foreach(qemu_find_opts("drive"),
4204 drive_enable_snapshot, NULL, NULL);
4205 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4206 &machine_class->block_default_type, NULL)) {
4207 exit(1);
4208 }
4209
4210 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4211 CDROM_OPTS);
4212 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4213 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4214
4215 parse_numa_opts(machine_class);
4216
4217 if (qemu_opts_foreach(qemu_find_opts("mon"),
4218 mon_init_func, NULL, NULL)) {
4219 exit(1);
4220 }
4221
4222 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4223 exit(1);
4224 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4225 exit(1);
4226 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4227 exit(1);
4228 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4229 exit(1);
4230 }
4231 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4232 exit(1);
4233
4234 /* If no default VGA is requested, the default is "none". */
4235 if (default_vga) {
4236 if (machine_class->default_display) {
4237 vga_model = machine_class->default_display;
4238 } else if (cirrus_vga_available()) {
4239 vga_model = "cirrus";
4240 } else if (vga_available()) {
4241 vga_model = "std";
4242 }
4243 }
4244 if (vga_model) {
4245 select_vgahw(vga_model);
4246 }
4247
4248 if (watchdog) {
4249 i = select_watchdog(watchdog);
4250 if (i > 0)
4251 exit (i == 1 ? 1 : 0);
4252 }
4253
4254 if (machine_class->compat_props) {
4255 qdev_prop_register_global_list(machine_class->compat_props);
4256 }
4257 qemu_add_globals();
4258
4259 qdev_machine_init();
4260
4261 current_machine->ram_size = ram_size;
4262 current_machine->maxram_size = maxram_size;
4263 current_machine->ram_slots = ram_slots;
4264 current_machine->boot_order = boot_order;
4265 current_machine->cpu_model = cpu_model;
4266
4267 machine_class->init(current_machine);
4268
4269 realtime_init();
4270
4271 audio_init();
4272
4273 cpu_synchronize_all_post_init();
4274
4275 numa_post_machine_init();
4276
4277 /* init USB devices */
4278 if (usb_enabled()) {
4279 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4280 exit(1);
4281 }
4282
4283 /* init generic devices */
4284 if (qemu_opts_foreach(qemu_find_opts("device"),
4285 device_init_func, NULL, NULL)) {
4286 exit(1);
4287 }
4288
4289 /* Did we create any drives that we failed to create a device for? */
4290 drive_check_orphaned();
4291
4292 net_check_clients();
4293
4294 if (boot_once) {
4295 Error *local_err = NULL;
4296 qemu_boot_set(boot_once, &local_err);
4297 if (local_err) {
4298 error_report("%s", error_get_pretty(local_err));
4299 exit(1);
4300 }
4301 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4302 }
4303
4304 ds = init_displaystate();
4305
4306 /* init local displays */
4307 switch (display_type) {
4308 case DT_NOGRAPHIC:
4309 (void)ds; /* avoid warning if no display is configured */
4310 break;
4311 #if defined(CONFIG_CURSES)
4312 case DT_CURSES:
4313 curses_display_init(ds, full_screen);
4314 break;
4315 #endif
4316 #if defined(CONFIG_SDL)
4317 case DT_SDL:
4318 sdl_display_init(ds, full_screen, no_frame);
4319 break;
4320 #elif defined(CONFIG_COCOA)
4321 case DT_SDL:
4322 cocoa_display_init(ds, full_screen);
4323 break;
4324 #endif
4325 #if defined(CONFIG_GTK)
4326 case DT_GTK:
4327 gtk_display_init(ds, full_screen, grab_on_hover);
4328 break;
4329 #endif
4330 default:
4331 break;
4332 }
4333
4334 /* must be after terminal init, SDL library changes signal handlers */
4335 os_setup_signal_handling();
4336
4337 #ifdef CONFIG_VNC
4338 /* init remote displays */
4339 qemu_opts_foreach(qemu_find_opts("vnc"),
4340 vnc_init_func, NULL, NULL);
4341 if (show_vnc_port) {
4342 char *ret = vnc_display_local_addr("default");
4343 printf("VNC server running on `%s'\n", ret);
4344 g_free(ret);
4345 }
4346 #endif
4347 #ifdef CONFIG_SPICE
4348 if (using_spice) {
4349 qemu_spice_display_init();
4350 }
4351 #endif
4352
4353 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4354 exit(1);
4355 }
4356
4357 qdev_machine_creation_done();
4358
4359 if (rom_load_all() != 0) {
4360 fprintf(stderr, "rom loading failed\n");
4361 exit(1);
4362 }
4363
4364 /* TODO: once all bus devices are qdevified, this should be done
4365 * when bus is created by qdev.c */
4366 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4367 qemu_run_machine_init_done_notifiers();
4368
4369 /* Done notifiers can load ROMs */
4370 rom_load_done();
4371
4372 qemu_system_reset(VMRESET_SILENT);
4373 if (loadvm) {
4374 if (load_vmstate(loadvm) < 0) {
4375 autostart = 0;
4376 }
4377 }
4378
4379 qdev_prop_check_globals();
4380 if (vmstate_dump_file) {
4381 /* dump and exit */
4382 dump_vmstate_json_to_file(vmstate_dump_file);
4383 return 0;
4384 }
4385
4386 if (incoming) {
4387 Error *local_err = NULL;
4388 qemu_start_incoming_migration(incoming, &local_err);
4389 if (local_err) {
4390 error_report("-incoming %s: %s", incoming,
4391 error_get_pretty(local_err));
4392 error_free(local_err);
4393 exit(1);
4394 }
4395 } else if (autostart) {
4396 vm_start();
4397 }
4398
4399 os_setup_post();
4400
4401 if (is_daemonized()) {
4402 if (!trace_init_backends(trace_events, trace_file)) {
4403 exit(1);
4404 }
4405 }
4406
4407 main_loop();
4408 bdrv_close_all();
4409 pause_all_vcpus();
4410 res_free();
4411 #ifdef CONFIG_TPM
4412 tpm_cleanup();
4413 #endif
4414
4415 return 0;
4416 }
AR7 emulation for QEMU