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alsaaudio: Remove unused error handling of qemu_set_fd_handler
[qemu.git] / vl.c
blob9542095d95e0b531765eb6a551b4544c4ad0fba2
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 static QemuOptsList qemu_fw_cfg_opts = {
496 .name = "fw_cfg",
497 .implied_opt_name = "name",
498 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
499 .desc = {
500 {
501 .name = "name",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets the fw_cfg name of the blob to be inserted",
504 }, {
505 .name = "file",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the name of the file from which\n"
508 "the fw_cfg blob will be loaded",
509 },
510 { /* end of list */ }
511 },
512 };
513
514 /**
515 * Get machine options
516 *
517 * Returns: machine options (never null).
518 */
519 QemuOpts *qemu_get_machine_opts(void)
520 {
521 return qemu_find_opts_singleton("machine");
522 }
523
524 const char *qemu_get_vm_name(void)
525 {
526 return qemu_name;
527 }
528
529 static void res_free(void)
530 {
531 if (boot_splash_filedata != NULL) {
532 g_free(boot_splash_filedata);
533 boot_splash_filedata = NULL;
534 }
535 }
536
537 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
538 {
539 const char *driver = qemu_opt_get(opts, "driver");
540 int i;
541
542 if (!driver)
543 return 0;
544 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
545 if (strcmp(default_list[i].driver, driver) != 0)
546 continue;
547 *(default_list[i].flag) = 0;
548 }
549 return 0;
550 }
551
552 /***********************************************************/
553 /* QEMU state */
554
555 static RunState current_run_state = RUN_STATE_PRELAUNCH;
556
557 /* We use RUN_STATE_MAX but any invalid value will do */
558 static RunState vmstop_requested = RUN_STATE_MAX;
559 static QemuMutex vmstop_lock;
560
561 typedef struct {
562 RunState from;
563 RunState to;
564 } RunStateTransition;
565
566 static const RunStateTransition runstate_transitions_def[] = {
567 /* from -> to */
568 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
569 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
570
571 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
572 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
573
574 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
575 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
576
577 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
578 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
581 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
582
583 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
584 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
585
586 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
587 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
588 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
589
590 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
591 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
592
593 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
594
595 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
596 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
597 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
598 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
599 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
601 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
602 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
603 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
604 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
605
606 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
607
608 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
609 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
610
611 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
612 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
613 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
614 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
615
616 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
617 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
618
619 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
620 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
621
622 { RUN_STATE_MAX, RUN_STATE_MAX },
623 };
624
625 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
626
627 bool runstate_check(RunState state)
628 {
629 return current_run_state == state;
630 }
631
632 static void runstate_init(void)
633 {
634 const RunStateTransition *p;
635
636 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
637 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
638 runstate_valid_transitions[p->from][p->to] = true;
639 }
640
641 qemu_mutex_init(&vmstop_lock);
642 }
643
644 /* This function will abort() on invalid state transitions */
645 void runstate_set(RunState new_state)
646 {
647 assert(new_state < RUN_STATE_MAX);
648
649 if (!runstate_valid_transitions[current_run_state][new_state]) {
650 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
651 RunState_lookup[current_run_state],
652 RunState_lookup[new_state]);
653 abort();
654 }
655 trace_runstate_set(new_state);
656 current_run_state = new_state;
657 }
658
659 int runstate_is_running(void)
660 {
661 return runstate_check(RUN_STATE_RUNNING);
662 }
663
664 bool runstate_needs_reset(void)
665 {
666 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
667 runstate_check(RUN_STATE_SHUTDOWN);
668 }
669
670 StatusInfo *qmp_query_status(Error **errp)
671 {
672 StatusInfo *info = g_malloc0(sizeof(*info));
673
674 info->running = runstate_is_running();
675 info->singlestep = singlestep;
676 info->status = current_run_state;
677
678 return info;
679 }
680
681 static bool qemu_vmstop_requested(RunState *r)
682 {
683 qemu_mutex_lock(&vmstop_lock);
684 *r = vmstop_requested;
685 vmstop_requested = RUN_STATE_MAX;
686 qemu_mutex_unlock(&vmstop_lock);
687 return *r < RUN_STATE_MAX;
688 }
689
690 void qemu_system_vmstop_request_prepare(void)
691 {
692 qemu_mutex_lock(&vmstop_lock);
693 }
694
695 void qemu_system_vmstop_request(RunState state)
696 {
697 vmstop_requested = state;
698 qemu_mutex_unlock(&vmstop_lock);
699 qemu_notify_event();
700 }
701
702 void vm_start(void)
703 {
704 RunState requested;
705
706 qemu_vmstop_requested(&requested);
707 if (runstate_is_running() && requested == RUN_STATE_MAX) {
708 return;
709 }
710
711 /* Ensure that a STOP/RESUME pair of events is emitted if a
712 * vmstop request was pending. The BLOCK_IO_ERROR event, for
713 * example, according to documentation is always followed by
714 * the STOP event.
715 */
716 if (runstate_is_running()) {
717 qapi_event_send_stop(&error_abort);
718 } else {
719 cpu_enable_ticks();
720 runstate_set(RUN_STATE_RUNNING);
721 vm_state_notify(1, RUN_STATE_RUNNING);
722 resume_all_vcpus();
723 }
724
725 qapi_event_send_resume(&error_abort);
726 }
727
728
729 /***********************************************************/
730 /* real time host monotonic timer */
731
732 static time_t qemu_time(void)
733 {
734 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
735 }
736
737 /***********************************************************/
738 /* host time/date access */
739 void qemu_get_timedate(struct tm *tm, int offset)
740 {
741 time_t ti = qemu_time();
742
743 ti += offset;
744 if (rtc_date_offset == -1) {
745 if (rtc_utc)
746 gmtime_r(&ti, tm);
747 else
748 localtime_r(&ti, tm);
749 } else {
750 ti -= rtc_date_offset;
751 gmtime_r(&ti, tm);
752 }
753 }
754
755 int qemu_timedate_diff(struct tm *tm)
756 {
757 time_t seconds;
758
759 if (rtc_date_offset == -1)
760 if (rtc_utc)
761 seconds = mktimegm(tm);
762 else {
763 struct tm tmp = *tm;
764 tmp.tm_isdst = -1; /* use timezone to figure it out */
765 seconds = mktime(&tmp);
766 }
767 else
768 seconds = mktimegm(tm) + rtc_date_offset;
769
770 return seconds - qemu_time();
771 }
772
773 static void configure_rtc_date_offset(const char *startdate, int legacy)
774 {
775 time_t rtc_start_date;
776 struct tm tm;
777
778 if (!strcmp(startdate, "now") && legacy) {
779 rtc_date_offset = -1;
780 } else {
781 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
782 &tm.tm_year,
783 &tm.tm_mon,
784 &tm.tm_mday,
785 &tm.tm_hour,
786 &tm.tm_min,
787 &tm.tm_sec) == 6) {
788 /* OK */
789 } else if (sscanf(startdate, "%d-%d-%d",
790 &tm.tm_year,
791 &tm.tm_mon,
792 &tm.tm_mday) == 3) {
793 tm.tm_hour = 0;
794 tm.tm_min = 0;
795 tm.tm_sec = 0;
796 } else {
797 goto date_fail;
798 }
799 tm.tm_year -= 1900;
800 tm.tm_mon--;
801 rtc_start_date = mktimegm(&tm);
802 if (rtc_start_date == -1) {
803 date_fail:
804 fprintf(stderr, "Invalid date format. Valid formats are:\n"
805 "'2006-06-17T16:01:21' or '2006-06-17'\n");
806 exit(1);
807 }
808 rtc_date_offset = qemu_time() - rtc_start_date;
809 }
810 }
811
812 static void configure_rtc(QemuOpts *opts)
813 {
814 const char *value;
815
816 value = qemu_opt_get(opts, "base");
817 if (value) {
818 if (!strcmp(value, "utc")) {
819 rtc_utc = 1;
820 } else if (!strcmp(value, "localtime")) {
821 rtc_utc = 0;
822 } else {
823 configure_rtc_date_offset(value, 0);
824 }
825 }
826 value = qemu_opt_get(opts, "clock");
827 if (value) {
828 if (!strcmp(value, "host")) {
829 rtc_clock = QEMU_CLOCK_HOST;
830 } else if (!strcmp(value, "rt")) {
831 rtc_clock = QEMU_CLOCK_REALTIME;
832 } else if (!strcmp(value, "vm")) {
833 rtc_clock = QEMU_CLOCK_VIRTUAL;
834 } else {
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
836 exit(1);
837 }
838 }
839 value = qemu_opt_get(opts, "driftfix");
840 if (value) {
841 if (!strcmp(value, "slew")) {
842 static GlobalProperty slew_lost_ticks[] = {
843 {
844 .driver = "mc146818rtc",
845 .property = "lost_tick_policy",
846 .value = "slew",
847 },
848 { /* end of list */ }
849 };
850
851 qdev_prop_register_global_list(slew_lost_ticks);
852 } else if (!strcmp(value, "none")) {
853 /* discard is default */
854 } else {
855 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
856 exit(1);
857 }
858 }
859 }
860
861 /***********************************************************/
862 /* Bluetooth support */
863 static int nb_hcis;
864 static int cur_hci;
865 static struct HCIInfo *hci_table[MAX_NICS];
866
867 struct HCIInfo *qemu_next_hci(void)
868 {
869 if (cur_hci == nb_hcis)
870 return &null_hci;
871
872 return hci_table[cur_hci++];
873 }
874
875 static int bt_hci_parse(const char *str)
876 {
877 struct HCIInfo *hci;
878 bdaddr_t bdaddr;
879
880 if (nb_hcis >= MAX_NICS) {
881 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
882 return -1;
883 }
884
885 hci = hci_init(str);
886 if (!hci)
887 return -1;
888
889 bdaddr.b[0] = 0x52;
890 bdaddr.b[1] = 0x54;
891 bdaddr.b[2] = 0x00;
892 bdaddr.b[3] = 0x12;
893 bdaddr.b[4] = 0x34;
894 bdaddr.b[5] = 0x56 + nb_hcis;
895 hci->bdaddr_set(hci, bdaddr.b);
896
897 hci_table[nb_hcis++] = hci;
898
899 return 0;
900 }
901
902 static void bt_vhci_add(int vlan_id)
903 {
904 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
905
906 if (!vlan->slave)
907 fprintf(stderr, "qemu: warning: adding a VHCI to "
908 "an empty scatternet %i\n", vlan_id);
909
910 bt_vhci_init(bt_new_hci(vlan));
911 }
912
913 static struct bt_device_s *bt_device_add(const char *opt)
914 {
915 struct bt_scatternet_s *vlan;
916 int vlan_id = 0;
917 char *endp = strstr(opt, ",vlan=");
918 int len = (endp ? endp - opt : strlen(opt)) + 1;
919 char devname[10];
920
921 pstrcpy(devname, MIN(sizeof(devname), len), opt);
922
923 if (endp) {
924 vlan_id = strtol(endp + 6, &endp, 0);
925 if (*endp) {
926 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
927 return 0;
928 }
929 }
930
931 vlan = qemu_find_bt_vlan(vlan_id);
932
933 if (!vlan->slave)
934 fprintf(stderr, "qemu: warning: adding a slave device to "
935 "an empty scatternet %i\n", vlan_id);
936
937 if (!strcmp(devname, "keyboard"))
938 return bt_keyboard_init(vlan);
939
940 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
941 return 0;
942 }
943
944 static int bt_parse(const char *opt)
945 {
946 const char *endp, *p;
947 int vlan;
948
949 if (strstart(opt, "hci", &endp)) {
950 if (!*endp || *endp == ',') {
951 if (*endp)
952 if (!strstart(endp, ",vlan=", 0))
953 opt = endp + 1;
954
955 return bt_hci_parse(opt);
956 }
957 } else if (strstart(opt, "vhci", &endp)) {
958 if (!*endp || *endp == ',') {
959 if (*endp) {
960 if (strstart(endp, ",vlan=", &p)) {
961 vlan = strtol(p, (char **) &endp, 0);
962 if (*endp) {
963 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
964 return 1;
965 }
966 } else {
967 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
968 return 1;
969 }
970 } else
971 vlan = 0;
972
973 bt_vhci_add(vlan);
974 return 0;
975 }
976 } else if (strstart(opt, "device:", &endp))
977 return !bt_device_add(endp);
978
979 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
980 return 1;
981 }
982
983 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
984 {
985 /* FIXME: change this to true for 1.3 */
986 if (qemu_opt_get_bool(opts, "enable", false)) {
987 #ifdef CONFIG_SECCOMP
988 if (seccomp_start() < 0) {
989 qerror_report(ERROR_CLASS_GENERIC_ERROR,
990 "failed to install seccomp syscall filter in the kernel");
991 return -1;
992 }
993 #else
994 qerror_report(ERROR_CLASS_GENERIC_ERROR,
995 "sandboxing request but seccomp is not compiled into this build");
996 return -1;
997 #endif
998 }
999
1000 return 0;
1001 }
1002
1003 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1004 {
1005 const char *proc_name;
1006
1007 if (qemu_opt_get(opts, "debug-threads")) {
1008 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1009 }
1010 qemu_name = qemu_opt_get(opts, "guest");
1011
1012 proc_name = qemu_opt_get(opts, "process");
1013 if (proc_name) {
1014 os_set_proc_name(proc_name);
1015 }
1016
1017 return 0;
1018 }
1019
1020 bool defaults_enabled(void)
1021 {
1022 return has_defaults;
1023 }
1024
1025 bool usb_enabled(void)
1026 {
1027 return machine_usb(current_machine);
1028 }
1029
1030 #ifndef _WIN32
1031 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1032 {
1033 int fd, dupfd, flags;
1034 int64_t fdset_id;
1035 const char *fd_opaque = NULL;
1036 AddfdInfo *fdinfo;
1037
1038 fd = qemu_opt_get_number(opts, "fd", -1);
1039 fdset_id = qemu_opt_get_number(opts, "set", -1);
1040 fd_opaque = qemu_opt_get(opts, "opaque");
1041
1042 if (fd < 0) {
1043 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1044 "fd option is required and must be non-negative");
1045 return -1;
1046 }
1047
1048 if (fd <= STDERR_FILENO) {
1049 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1050 "fd cannot be a standard I/O stream");
1051 return -1;
1052 }
1053
1054 /*
1055 * All fds inherited across exec() necessarily have FD_CLOEXEC
1056 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1057 */
1058 flags = fcntl(fd, F_GETFD);
1059 if (flags == -1 || (flags & FD_CLOEXEC)) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd is not valid or already in use");
1062 return -1;
1063 }
1064
1065 if (fdset_id < 0) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "set option is required and must be non-negative");
1068 return -1;
1069 }
1070
1071 #ifdef F_DUPFD_CLOEXEC
1072 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1073 #else
1074 dupfd = dup(fd);
1075 if (dupfd != -1) {
1076 qemu_set_cloexec(dupfd);
1077 }
1078 #endif
1079 if (dupfd == -1) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "Error duplicating fd: %s", strerror(errno));
1082 return -1;
1083 }
1084
1085 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1086 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1087 &error_abort);
1088 g_free(fdinfo);
1089
1090 return 0;
1091 }
1092
1093 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1094 {
1095 int fd;
1096
1097 fd = qemu_opt_get_number(opts, "fd", -1);
1098 close(fd);
1099
1100 return 0;
1101 }
1102 #endif
1103
1104 /***********************************************************/
1105 /* QEMU Block devices */
1106
1107 #define HD_OPTS "media=disk"
1108 #define CDROM_OPTS "media=cdrom"
1109 #define FD_OPTS ""
1110 #define PFLASH_OPTS ""
1111 #define MTD_OPTS ""
1112 #define SD_OPTS ""
1113
1114 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1115 {
1116 BlockInterfaceType *block_default_type = opaque;
1117
1118 return drive_new(opts, *block_default_type) == NULL;
1119 }
1120
1121 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1122 {
1123 if (qemu_opt_get(opts, "snapshot") == NULL) {
1124 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1125 }
1126 return 0;
1127 }
1128
1129 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1130 int index, const char *optstr)
1131 {
1132 QemuOpts *opts;
1133 DriveInfo *dinfo;
1134
1135 if (!enable || drive_get_by_index(type, index)) {
1136 return;
1137 }
1138
1139 opts = drive_add(type, index, NULL, optstr);
1140 if (snapshot) {
1141 drive_enable_snapshot(NULL, opts, NULL);
1142 }
1143
1144 dinfo = drive_new(opts, type);
1145 if (!dinfo) {
1146 exit(1);
1147 }
1148 dinfo->is_default = true;
1149
1150 }
1151
1152 static QemuOptsList qemu_smp_opts = {
1153 .name = "smp-opts",
1154 .implied_opt_name = "cpus",
1155 .merge_lists = true,
1156 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1157 .desc = {
1158 {
1159 .name = "cpus",
1160 .type = QEMU_OPT_NUMBER,
1161 }, {
1162 .name = "sockets",
1163 .type = QEMU_OPT_NUMBER,
1164 }, {
1165 .name = "cores",
1166 .type = QEMU_OPT_NUMBER,
1167 }, {
1168 .name = "threads",
1169 .type = QEMU_OPT_NUMBER,
1170 }, {
1171 .name = "maxcpus",
1172 .type = QEMU_OPT_NUMBER,
1173 },
1174 { /*End of list */ }
1175 },
1176 };
1177
1178 static void smp_parse(QemuOpts *opts)
1179 {
1180 if (opts) {
1181
1182 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1183 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1184 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1185 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1186
1187 /* compute missing values, prefer sockets over cores over threads */
1188 if (cpus == 0 || sockets == 0) {
1189 sockets = sockets > 0 ? sockets : 1;
1190 cores = cores > 0 ? cores : 1;
1191 threads = threads > 0 ? threads : 1;
1192 if (cpus == 0) {
1193 cpus = cores * threads * sockets;
1194 }
1195 } else if (cores == 0) {
1196 threads = threads > 0 ? threads : 1;
1197 cores = cpus / (sockets * threads);
1198 } else if (threads == 0) {
1199 threads = cpus / (cores * sockets);
1200 } else if (sockets * cores * threads < cpus) {
1201 fprintf(stderr, "cpu topology: error: "
1202 "sockets (%u) * cores (%u) * threads (%u) < "
1203 "smp_cpus (%u)\n",
1204 sockets, cores, threads, cpus);
1205 exit(1);
1206 }
1207
1208 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1209
1210 smp_cpus = cpus;
1211 smp_cores = cores > 0 ? cores : 1;
1212 smp_threads = threads > 0 ? threads : 1;
1213
1214 }
1215
1216 if (max_cpus == 0) {
1217 max_cpus = smp_cpus;
1218 }
1219
1220 if (max_cpus > MAX_CPUMASK_BITS) {
1221 fprintf(stderr, "Unsupported number of maxcpus\n");
1222 exit(1);
1223 }
1224 if (max_cpus < smp_cpus) {
1225 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1226 exit(1);
1227 }
1228
1229 }
1230
1231 static void realtime_init(void)
1232 {
1233 if (enable_mlock) {
1234 if (os_mlock() < 0) {
1235 fprintf(stderr, "qemu: locking memory failed\n");
1236 exit(1);
1237 }
1238 }
1239 }
1240
1241
1242 static void configure_msg(QemuOpts *opts)
1243 {
1244 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1245 }
1246
1247 /***********************************************************/
1248 /* USB devices */
1249
1250 static int usb_device_add(const char *devname)
1251 {
1252 USBDevice *dev = NULL;
1253 #ifndef CONFIG_LINUX
1254 const char *p;
1255 #endif
1256
1257 if (!usb_enabled()) {
1258 return -1;
1259 }
1260
1261 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1262 dev = usbdevice_create(devname);
1263 if (dev)
1264 goto done;
1265
1266 /* the other ones */
1267 #ifndef CONFIG_LINUX
1268 /* only the linux version is qdev-ified, usb-bsd still needs this */
1269 if (strstart(devname, "host:", &p)) {
1270 dev = usb_host_device_open(usb_bus_find(-1), p);
1271 }
1272 #endif
1273 if (!dev)
1274 return -1;
1275
1276 done:
1277 return 0;
1278 }
1279
1280 static int usb_device_del(const char *devname)
1281 {
1282 int bus_num, addr;
1283 const char *p;
1284
1285 if (strstart(devname, "host:", &p)) {
1286 return -1;
1287 }
1288
1289 if (!usb_enabled()) {
1290 return -1;
1291 }
1292
1293 p = strchr(devname, '.');
1294 if (!p)
1295 return -1;
1296 bus_num = strtoul(devname, NULL, 0);
1297 addr = strtoul(p + 1, NULL, 0);
1298
1299 return usb_device_delete_addr(bus_num, addr);
1300 }
1301
1302 static int usb_parse(const char *cmdline)
1303 {
1304 int r;
1305 r = usb_device_add(cmdline);
1306 if (r < 0) {
1307 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1308 }
1309 return r;
1310 }
1311
1312 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1313 {
1314 const char *devname = qdict_get_str(qdict, "devname");
1315 if (usb_device_add(devname) < 0) {
1316 error_report("could not add USB device '%s'", devname);
1317 }
1318 }
1319
1320 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1321 {
1322 const char *devname = qdict_get_str(qdict, "devname");
1323 if (usb_device_del(devname) < 0) {
1324 error_report("could not delete USB device '%s'", devname);
1325 }
1326 }
1327
1328 /***********************************************************/
1329 /* machine registration */
1330
1331 MachineState *current_machine;
1332
1333 /*
1334 * Transitional class registration/init used for converting from
1335 * legacy QEMUMachine to MachineClass.
1336 */
1337 static void qemu_machine_class_init(ObjectClass *oc, void *data)
1338 {
1339 MachineClass *mc = MACHINE_CLASS(oc);
1340 QEMUMachine *qm = data;
1341 mc->name = qm->name;
1342 mc->desc = qm->desc;
1343 mc->init = qm->init;
1344 mc->kvm_type = qm->kvm_type;
1345 mc->block_default_type = qm->block_default_type;
1346 mc->max_cpus = qm->max_cpus;
1347 mc->no_sdcard = qm->no_sdcard;
1348 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1349 mc->is_default = qm->is_default;
1350 mc->default_machine_opts = qm->default_machine_opts;
1351 mc->default_boot_order = qm->default_boot_order;
1352 }
1353
1354 int qemu_register_machine(QEMUMachine *m)
1355 {
1356 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1357 TypeInfo ti = {
1358 .name = name,
1359 .parent = TYPE_MACHINE,
1360 .class_init = qemu_machine_class_init,
1361 .class_data = (void *)m,
1362 };
1363
1364 type_register(&ti);
1365 g_free(name);
1366
1367 return 0;
1368 }
1369
1370 static MachineClass *find_machine(const char *name)
1371 {
1372 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1373 MachineClass *mc = NULL;
1374
1375 for (el = machines; el; el = el->next) {
1376 MachineClass *temp = el->data;
1377
1378 if (!strcmp(temp->name, name)) {
1379 mc = temp;
1380 break;
1381 }
1382 if (temp->alias &&
1383 !strcmp(temp->alias, name)) {
1384 mc = temp;
1385 break;
1386 }
1387 }
1388
1389 g_slist_free(machines);
1390 return mc;
1391 }
1392
1393 MachineClass *find_default_machine(void)
1394 {
1395 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1396 MachineClass *mc = NULL;
1397
1398 for (el = machines; el; el = el->next) {
1399 MachineClass *temp = el->data;
1400
1401 if (temp->is_default) {
1402 mc = temp;
1403 break;
1404 }
1405 }
1406
1407 g_slist_free(machines);
1408 return mc;
1409 }
1410
1411 MachineInfoList *qmp_query_machines(Error **errp)
1412 {
1413 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1414 MachineInfoList *mach_list = NULL;
1415
1416 for (el = machines; el; el = el->next) {
1417 MachineClass *mc = el->data;
1418 MachineInfoList *entry;
1419 MachineInfo *info;
1420
1421 info = g_malloc0(sizeof(*info));
1422 if (mc->is_default) {
1423 info->has_is_default = true;
1424 info->is_default = true;
1425 }
1426
1427 if (mc->alias) {
1428 info->has_alias = true;
1429 info->alias = g_strdup(mc->alias);
1430 }
1431
1432 info->name = g_strdup(mc->name);
1433 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1434
1435 entry = g_malloc0(sizeof(*entry));
1436 entry->value = info;
1437 entry->next = mach_list;
1438 mach_list = entry;
1439 }
1440
1441 g_slist_free(machines);
1442 return mach_list;
1443 }
1444
1445 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1446 {
1447 ObjectProperty *prop;
1448
1449 if (!qemu_opt_has_help_opt(opts)) {
1450 return 0;
1451 }
1452
1453 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1454 if (!prop->set) {
1455 continue;
1456 }
1457
1458 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1459 prop->name, prop->type);
1460 if (prop->description) {
1461 error_printf(" (%s)\n", prop->description);
1462 } else {
1463 error_printf("\n");
1464 }
1465 }
1466
1467 return 1;
1468 }
1469
1470 /***********************************************************/
1471 /* main execution loop */
1472
1473 struct vm_change_state_entry {
1474 VMChangeStateHandler *cb;
1475 void *opaque;
1476 QLIST_ENTRY (vm_change_state_entry) entries;
1477 };
1478
1479 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1480
1481 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1482 void *opaque)
1483 {
1484 VMChangeStateEntry *e;
1485
1486 e = g_malloc0(sizeof (*e));
1487
1488 e->cb = cb;
1489 e->opaque = opaque;
1490 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1491 return e;
1492 }
1493
1494 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1495 {
1496 QLIST_REMOVE (e, entries);
1497 g_free (e);
1498 }
1499
1500 void vm_state_notify(int running, RunState state)
1501 {
1502 VMChangeStateEntry *e, *next;
1503
1504 trace_vm_state_notify(running, state);
1505
1506 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1507 e->cb(e->opaque, running, state);
1508 }
1509 }
1510
1511 /* reset/shutdown handler */
1512
1513 typedef struct QEMUResetEntry {
1514 QTAILQ_ENTRY(QEMUResetEntry) entry;
1515 QEMUResetHandler *func;
1516 void *opaque;
1517 } QEMUResetEntry;
1518
1519 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1520 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1521 static int reset_requested;
1522 static int shutdown_requested, shutdown_signal = -1;
1523 static pid_t shutdown_pid;
1524 static int powerdown_requested;
1525 static int debug_requested;
1526 static int suspend_requested;
1527 static WakeupReason wakeup_reason;
1528 static NotifierList powerdown_notifiers =
1529 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1530 static NotifierList suspend_notifiers =
1531 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1532 static NotifierList wakeup_notifiers =
1533 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1534 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1535
1536 int qemu_shutdown_requested_get(void)
1537 {
1538 return shutdown_requested;
1539 }
1540
1541 int qemu_reset_requested_get(void)
1542 {
1543 return reset_requested;
1544 }
1545
1546 static int qemu_shutdown_requested(void)
1547 {
1548 return atomic_xchg(&shutdown_requested, 0);
1549 }
1550
1551 static void qemu_kill_report(void)
1552 {
1553 if (!qtest_driver() && shutdown_signal != -1) {
1554 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1555 if (shutdown_pid == 0) {
1556 /* This happens for eg ^C at the terminal, so it's worth
1557 * avoiding printing an odd message in that case.
1558 */
1559 fputc('\n', stderr);
1560 } else {
1561 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1562 }
1563 shutdown_signal = -1;
1564 }
1565 }
1566
1567 static int qemu_reset_requested(void)
1568 {
1569 int r = reset_requested;
1570 reset_requested = 0;
1571 return r;
1572 }
1573
1574 static int qemu_suspend_requested(void)
1575 {
1576 int r = suspend_requested;
1577 suspend_requested = 0;
1578 return r;
1579 }
1580
1581 static WakeupReason qemu_wakeup_requested(void)
1582 {
1583 return wakeup_reason;
1584 }
1585
1586 static int qemu_powerdown_requested(void)
1587 {
1588 int r = powerdown_requested;
1589 powerdown_requested = 0;
1590 return r;
1591 }
1592
1593 static int qemu_debug_requested(void)
1594 {
1595 int r = debug_requested;
1596 debug_requested = 0;
1597 return r;
1598 }
1599
1600 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1601 {
1602 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1603
1604 re->func = func;
1605 re->opaque = opaque;
1606 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1607 }
1608
1609 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1610 {
1611 QEMUResetEntry *re;
1612
1613 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1614 if (re->func == func && re->opaque == opaque) {
1615 QTAILQ_REMOVE(&reset_handlers, re, entry);
1616 g_free(re);
1617 return;
1618 }
1619 }
1620 }
1621
1622 void qemu_devices_reset(void)
1623 {
1624 QEMUResetEntry *re, *nre;
1625
1626 /* reset all devices */
1627 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1628 re->func(re->opaque);
1629 }
1630 }
1631
1632 void qemu_system_reset(bool report)
1633 {
1634 MachineClass *mc;
1635
1636 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1637
1638 if (mc && mc->reset) {
1639 mc->reset();
1640 } else {
1641 qemu_devices_reset();
1642 }
1643 if (report) {
1644 qapi_event_send_reset(&error_abort);
1645 }
1646 cpu_synchronize_all_post_reset();
1647 }
1648
1649 void qemu_system_reset_request(void)
1650 {
1651 if (no_reboot) {
1652 shutdown_requested = 1;
1653 } else {
1654 reset_requested = 1;
1655 }
1656 cpu_stop_current();
1657 qemu_notify_event();
1658 }
1659
1660 static void qemu_system_suspend(void)
1661 {
1662 pause_all_vcpus();
1663 notifier_list_notify(&suspend_notifiers, NULL);
1664 runstate_set(RUN_STATE_SUSPENDED);
1665 qapi_event_send_suspend(&error_abort);
1666 }
1667
1668 void qemu_system_suspend_request(void)
1669 {
1670 if (runstate_check(RUN_STATE_SUSPENDED)) {
1671 return;
1672 }
1673 suspend_requested = 1;
1674 cpu_stop_current();
1675 qemu_notify_event();
1676 }
1677
1678 void qemu_register_suspend_notifier(Notifier *notifier)
1679 {
1680 notifier_list_add(&suspend_notifiers, notifier);
1681 }
1682
1683 void qemu_system_wakeup_request(WakeupReason reason)
1684 {
1685 trace_system_wakeup_request(reason);
1686
1687 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1688 return;
1689 }
1690 if (!(wakeup_reason_mask & (1 << reason))) {
1691 return;
1692 }
1693 runstate_set(RUN_STATE_RUNNING);
1694 wakeup_reason = reason;
1695 qemu_notify_event();
1696 }
1697
1698 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1699 {
1700 if (enabled) {
1701 wakeup_reason_mask |= (1 << reason);
1702 } else {
1703 wakeup_reason_mask &= ~(1 << reason);
1704 }
1705 }
1706
1707 void qemu_register_wakeup_notifier(Notifier *notifier)
1708 {
1709 notifier_list_add(&wakeup_notifiers, notifier);
1710 }
1711
1712 void qemu_system_killed(int signal, pid_t pid)
1713 {
1714 shutdown_signal = signal;
1715 shutdown_pid = pid;
1716 no_shutdown = 0;
1717 qemu_system_shutdown_request();
1718 }
1719
1720 void qemu_system_shutdown_request(void)
1721 {
1722 trace_qemu_system_shutdown_request();
1723 shutdown_requested = 1;
1724 qemu_notify_event();
1725 }
1726
1727 static void qemu_system_powerdown(void)
1728 {
1729 qapi_event_send_powerdown(&error_abort);
1730 notifier_list_notify(&powerdown_notifiers, NULL);
1731 }
1732
1733 void qemu_system_powerdown_request(void)
1734 {
1735 trace_qemu_system_powerdown_request();
1736 powerdown_requested = 1;
1737 qemu_notify_event();
1738 }
1739
1740 void qemu_register_powerdown_notifier(Notifier *notifier)
1741 {
1742 notifier_list_add(&powerdown_notifiers, notifier);
1743 }
1744
1745 void qemu_system_debug_request(void)
1746 {
1747 debug_requested = 1;
1748 qemu_notify_event();
1749 }
1750
1751 static bool main_loop_should_exit(void)
1752 {
1753 RunState r;
1754 if (qemu_debug_requested()) {
1755 vm_stop(RUN_STATE_DEBUG);
1756 }
1757 if (qemu_suspend_requested()) {
1758 qemu_system_suspend();
1759 }
1760 if (qemu_shutdown_requested()) {
1761 qemu_kill_report();
1762 qapi_event_send_shutdown(&error_abort);
1763 if (no_shutdown) {
1764 vm_stop(RUN_STATE_SHUTDOWN);
1765 } else {
1766 return true;
1767 }
1768 }
1769 if (qemu_reset_requested()) {
1770 pause_all_vcpus();
1771 cpu_synchronize_all_states();
1772 qemu_system_reset(VMRESET_REPORT);
1773 resume_all_vcpus();
1774 if (runstate_needs_reset()) {
1775 runstate_set(RUN_STATE_PAUSED);
1776 }
1777 }
1778 if (qemu_wakeup_requested()) {
1779 pause_all_vcpus();
1780 cpu_synchronize_all_states();
1781 qemu_system_reset(VMRESET_SILENT);
1782 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1783 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1784 resume_all_vcpus();
1785 qapi_event_send_wakeup(&error_abort);
1786 }
1787 if (qemu_powerdown_requested()) {
1788 qemu_system_powerdown();
1789 }
1790 if (qemu_vmstop_requested(&r)) {
1791 vm_stop(r);
1792 }
1793 return false;
1794 }
1795
1796 static void main_loop(void)
1797 {
1798 bool nonblocking;
1799 int last_io = 0;
1800 #ifdef CONFIG_PROFILER
1801 int64_t ti;
1802 #endif
1803 do {
1804 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1805 #ifdef CONFIG_PROFILER
1806 ti = profile_getclock();
1807 #endif
1808 last_io = main_loop_wait(nonblocking);
1809 #ifdef CONFIG_PROFILER
1810 dev_time += profile_getclock() - ti;
1811 #endif
1812 } while (!main_loop_should_exit());
1813 }
1814
1815 static void version(void)
1816 {
1817 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1818 }
1819
1820 static void help(int exitcode)
1821 {
1822 version();
1823 printf("usage: %s [options] [disk_image]\n\n"
1824 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1825 error_get_progname());
1826
1827 #define QEMU_OPTIONS_GENERATE_HELP
1828 #include "qemu-options-wrapper.h"
1829
1830 printf("\nDuring emulation, the following keys are useful:\n"
1831 "ctrl-alt-f toggle full screen\n"
1832 "ctrl-alt-n switch to virtual console 'n'\n"
1833 "ctrl-alt toggle mouse and keyboard grab\n"
1834 "\n"
1835 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1836
1837 exit(exitcode);
1838 }
1839
1840 #define HAS_ARG 0x0001
1841
1842 typedef struct QEMUOption {
1843 const char *name;
1844 int flags;
1845 int index;
1846 uint32_t arch_mask;
1847 } QEMUOption;
1848
1849 static const QEMUOption qemu_options[] = {
1850 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1851 #define QEMU_OPTIONS_GENERATE_OPTIONS
1852 #include "qemu-options-wrapper.h"
1853 { NULL },
1854 };
1855
1856 static bool vga_available(void)
1857 {
1858 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1859 }
1860
1861 static bool cirrus_vga_available(void)
1862 {
1863 return object_class_by_name("cirrus-vga")
1864 || object_class_by_name("isa-cirrus-vga");
1865 }
1866
1867 static bool vmware_vga_available(void)
1868 {
1869 return object_class_by_name("vmware-svga");
1870 }
1871
1872 static bool qxl_vga_available(void)
1873 {
1874 return object_class_by_name("qxl-vga");
1875 }
1876
1877 static bool tcx_vga_available(void)
1878 {
1879 return object_class_by_name("SUNW,tcx");
1880 }
1881
1882 static bool cg3_vga_available(void)
1883 {
1884 return object_class_by_name("cgthree");
1885 }
1886
1887 static void select_vgahw (const char *p)
1888 {
1889 const char *opts;
1890
1891 assert(vga_interface_type == VGA_NONE);
1892 if (strstart(p, "std", &opts)) {
1893 if (vga_available()) {
1894 vga_interface_type = VGA_STD;
1895 } else {
1896 fprintf(stderr, "Error: standard VGA not available\n");
1897 exit(0);
1898 }
1899 } else if (strstart(p, "cirrus", &opts)) {
1900 if (cirrus_vga_available()) {
1901 vga_interface_type = VGA_CIRRUS;
1902 } else {
1903 fprintf(stderr, "Error: Cirrus VGA not available\n");
1904 exit(0);
1905 }
1906 } else if (strstart(p, "vmware", &opts)) {
1907 if (vmware_vga_available()) {
1908 vga_interface_type = VGA_VMWARE;
1909 } else {
1910 fprintf(stderr, "Error: VMWare SVGA not available\n");
1911 exit(0);
1912 }
1913 } else if (strstart(p, "xenfb", &opts)) {
1914 vga_interface_type = VGA_XENFB;
1915 } else if (strstart(p, "qxl", &opts)) {
1916 if (qxl_vga_available()) {
1917 vga_interface_type = VGA_QXL;
1918 } else {
1919 fprintf(stderr, "Error: QXL VGA not available\n");
1920 exit(0);
1921 }
1922 } else if (strstart(p, "tcx", &opts)) {
1923 if (tcx_vga_available()) {
1924 vga_interface_type = VGA_TCX;
1925 } else {
1926 fprintf(stderr, "Error: TCX framebuffer not available\n");
1927 exit(0);
1928 }
1929 } else if (strstart(p, "cg3", &opts)) {
1930 if (cg3_vga_available()) {
1931 vga_interface_type = VGA_CG3;
1932 } else {
1933 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1934 exit(0);
1935 }
1936 } else if (!strstart(p, "none", &opts)) {
1937 invalid_vga:
1938 fprintf(stderr, "Unknown vga type: %s\n", p);
1939 exit(1);
1940 }
1941 while (*opts) {
1942 const char *nextopt;
1943
1944 if (strstart(opts, ",retrace=", &nextopt)) {
1945 opts = nextopt;
1946 if (strstart(opts, "dumb", &nextopt))
1947 vga_retrace_method = VGA_RETRACE_DUMB;
1948 else if (strstart(opts, "precise", &nextopt))
1949 vga_retrace_method = VGA_RETRACE_PRECISE;
1950 else goto invalid_vga;
1951 } else goto invalid_vga;
1952 opts = nextopt;
1953 }
1954 }
1955
1956 static DisplayType select_display(const char *p)
1957 {
1958 const char *opts;
1959 DisplayType display = DT_DEFAULT;
1960
1961 if (strstart(p, "sdl", &opts)) {
1962 #ifdef CONFIG_SDL
1963 display = DT_SDL;
1964 while (*opts) {
1965 const char *nextopt;
1966
1967 if (strstart(opts, ",frame=", &nextopt)) {
1968 opts = nextopt;
1969 if (strstart(opts, "on", &nextopt)) {
1970 no_frame = 0;
1971 } else if (strstart(opts, "off", &nextopt)) {
1972 no_frame = 1;
1973 } else {
1974 goto invalid_sdl_args;
1975 }
1976 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1977 opts = nextopt;
1978 if (strstart(opts, "on", &nextopt)) {
1979 alt_grab = 1;
1980 } else if (strstart(opts, "off", &nextopt)) {
1981 alt_grab = 0;
1982 } else {
1983 goto invalid_sdl_args;
1984 }
1985 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1986 opts = nextopt;
1987 if (strstart(opts, "on", &nextopt)) {
1988 ctrl_grab = 1;
1989 } else if (strstart(opts, "off", &nextopt)) {
1990 ctrl_grab = 0;
1991 } else {
1992 goto invalid_sdl_args;
1993 }
1994 } else if (strstart(opts, ",window_close=", &nextopt)) {
1995 opts = nextopt;
1996 if (strstart(opts, "on", &nextopt)) {
1997 no_quit = 0;
1998 } else if (strstart(opts, "off", &nextopt)) {
1999 no_quit = 1;
2000 } else {
2001 goto invalid_sdl_args;
2002 }
2003 } else if (strstart(opts, ",gl=", &nextopt)) {
2004 opts = nextopt;
2005 if (strstart(opts, "on", &nextopt)) {
2006 request_opengl = 1;
2007 } else if (strstart(opts, "off", &nextopt)) {
2008 request_opengl = 0;
2009 } else {
2010 goto invalid_sdl_args;
2011 }
2012 } else {
2013 invalid_sdl_args:
2014 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2015 exit(1);
2016 }
2017 opts = nextopt;
2018 }
2019 #else
2020 fprintf(stderr, "SDL support is disabled\n");
2021 exit(1);
2022 #endif
2023 } else if (strstart(p, "vnc", &opts)) {
2024 #ifdef CONFIG_VNC
2025 if (*opts == '=') {
2026 if (vnc_parse_func(opts+1) == NULL) {
2027 exit(1);
2028 }
2029 } else {
2030 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2031 exit(1);
2032 }
2033 #else
2034 fprintf(stderr, "VNC support is disabled\n");
2035 exit(1);
2036 #endif
2037 } else if (strstart(p, "curses", &opts)) {
2038 #ifdef CONFIG_CURSES
2039 display = DT_CURSES;
2040 #else
2041 fprintf(stderr, "Curses support is disabled\n");
2042 exit(1);
2043 #endif
2044 } else if (strstart(p, "gtk", &opts)) {
2045 #ifdef CONFIG_GTK
2046 display = DT_GTK;
2047 while (*opts) {
2048 const char *nextopt;
2049
2050 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "on", &nextopt)) {
2053 grab_on_hover = true;
2054 } else if (strstart(opts, "off", &nextopt)) {
2055 grab_on_hover = false;
2056 } else {
2057 goto invalid_gtk_args;
2058 }
2059 } else if (strstart(opts, ",gl=", &nextopt)) {
2060 opts = nextopt;
2061 if (strstart(opts, "on", &nextopt)) {
2062 request_opengl = 1;
2063 } else if (strstart(opts, "off", &nextopt)) {
2064 request_opengl = 0;
2065 } else {
2066 goto invalid_gtk_args;
2067 }
2068 } else {
2069 invalid_gtk_args:
2070 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2071 exit(1);
2072 }
2073 opts = nextopt;
2074 }
2075 #else
2076 fprintf(stderr, "GTK support is disabled\n");
2077 exit(1);
2078 #endif
2079 } else if (strstart(p, "none", &opts)) {
2080 display = DT_NONE;
2081 } else {
2082 fprintf(stderr, "Unknown display type: %s\n", p);
2083 exit(1);
2084 }
2085
2086 return display;
2087 }
2088
2089 static int balloon_parse(const char *arg)
2090 {
2091 QemuOpts *opts;
2092
2093 if (strcmp(arg, "none") == 0) {
2094 return 0;
2095 }
2096
2097 if (!strncmp(arg, "virtio", 6)) {
2098 if (arg[6] == ',') {
2099 /* have params -> parse them */
2100 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2101 if (!opts)
2102 return -1;
2103 } else {
2104 /* create empty opts */
2105 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2106 &error_abort);
2107 }
2108 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2109 return 0;
2110 }
2111
2112 return -1;
2113 }
2114
2115 char *qemu_find_file(int type, const char *name)
2116 {
2117 int i;
2118 const char *subdir;
2119 char *buf;
2120
2121 /* Try the name as a straight path first */
2122 if (access(name, R_OK) == 0) {
2123 trace_load_file(name, name);
2124 return g_strdup(name);
2125 }
2126
2127 switch (type) {
2128 case QEMU_FILE_TYPE_BIOS:
2129 subdir = "";
2130 break;
2131 case QEMU_FILE_TYPE_KEYMAP:
2132 subdir = "keymaps/";
2133 break;
2134 default:
2135 abort();
2136 }
2137
2138 for (i = 0; i < data_dir_idx; i++) {
2139 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2140 if (access(buf, R_OK) == 0) {
2141 trace_load_file(name, buf);
2142 return buf;
2143 }
2144 g_free(buf);
2145 }
2146 return NULL;
2147 }
2148
2149 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2150 {
2151 gchar *buf;
2152 size_t size;
2153 const char *name, *file;
2154
2155 if (opaque == NULL) {
2156 error_report("fw_cfg device not available");
2157 return -1;
2158 }
2159 name = qemu_opt_get(opts, "name");
2160 file = qemu_opt_get(opts, "file");
2161 if (name == NULL || *name == '\0' || file == NULL || *file == '\0') {
2162 error_report("invalid argument value");
2163 return -1;
2164 }
2165 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2166 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2167 return -1;
2168 }
2169 if (strncmp(name, "opt/", 4) != 0) {
2170 error_report("WARNING: externally provided fw_cfg item names "
2171 "should be prefixed with \"opt/\"!");
2172 }
2173 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2174 error_report("can't load %s", file);
2175 return -1;
2176 }
2177 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2178 return 0;
2179 }
2180
2181 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2182 {
2183 return qdev_device_help(opts);
2184 }
2185
2186 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2187 {
2188 DeviceState *dev;
2189
2190 dev = qdev_device_add(opts);
2191 if (!dev)
2192 return -1;
2193 object_unref(OBJECT(dev));
2194 return 0;
2195 }
2196
2197 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2198 {
2199 Error *local_err = NULL;
2200
2201 qemu_chr_new_from_opts(opts, NULL, &local_err);
2202 if (local_err) {
2203 error_report_err(local_err);
2204 return -1;
2205 }
2206 return 0;
2207 }
2208
2209 #ifdef CONFIG_VIRTFS
2210 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2211 {
2212 int ret;
2213 ret = qemu_fsdev_add(opts);
2214
2215 return ret;
2216 }
2217 #endif
2218
2219 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2220 {
2221 CharDriverState *chr;
2222 const char *chardev;
2223 const char *mode;
2224 int flags;
2225
2226 mode = qemu_opt_get(opts, "mode");
2227 if (mode == NULL) {
2228 mode = "readline";
2229 }
2230 if (strcmp(mode, "readline") == 0) {
2231 flags = MONITOR_USE_READLINE;
2232 } else if (strcmp(mode, "control") == 0) {
2233 flags = MONITOR_USE_CONTROL;
2234 } else {
2235 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2236 exit(1);
2237 }
2238
2239 if (qemu_opt_get_bool(opts, "pretty", 0))
2240 flags |= MONITOR_USE_PRETTY;
2241
2242 if (qemu_opt_get_bool(opts, "default", 0))
2243 flags |= MONITOR_IS_DEFAULT;
2244
2245 chardev = qemu_opt_get(opts, "chardev");
2246 chr = qemu_chr_find(chardev);
2247 if (chr == NULL) {
2248 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2249 exit(1);
2250 }
2251
2252 qemu_chr_fe_claim_no_fail(chr);
2253 monitor_init(chr, flags);
2254 return 0;
2255 }
2256
2257 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2258 {
2259 static int monitor_device_index = 0;
2260 Error *local_err = NULL;
2261 QemuOpts *opts;
2262 const char *p;
2263 char label[32];
2264 int def = 0;
2265
2266 if (strstart(optarg, "chardev:", &p)) {
2267 snprintf(label, sizeof(label), "%s", p);
2268 } else {
2269 snprintf(label, sizeof(label), "compat_monitor%d",
2270 monitor_device_index);
2271 if (monitor_device_index == 0) {
2272 def = 1;
2273 }
2274 opts = qemu_chr_parse_compat(label, optarg);
2275 if (!opts) {
2276 fprintf(stderr, "parse error: %s\n", optarg);
2277 exit(1);
2278 }
2279 }
2280
2281 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2282 if (!opts) {
2283 error_report_err(local_err);
2284 exit(1);
2285 }
2286 qemu_opt_set(opts, "mode", mode, &error_abort);
2287 qemu_opt_set(opts, "chardev", label, &error_abort);
2288 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2289 if (def)
2290 qemu_opt_set(opts, "default", "on", &error_abort);
2291 monitor_device_index++;
2292 }
2293
2294 struct device_config {
2295 enum {
2296 DEV_USB, /* -usbdevice */
2297 DEV_BT, /* -bt */
2298 DEV_SERIAL, /* -serial */
2299 DEV_PARALLEL, /* -parallel */
2300 DEV_VIRTCON, /* -virtioconsole */
2301 DEV_DEBUGCON, /* -debugcon */
2302 DEV_GDB, /* -gdb, -s */
2303 DEV_SCLP, /* s390 sclp */
2304 } type;
2305 const char *cmdline;
2306 Location loc;
2307 QTAILQ_ENTRY(device_config) next;
2308 };
2309
2310 static QTAILQ_HEAD(, device_config) device_configs =
2311 QTAILQ_HEAD_INITIALIZER(device_configs);
2312
2313 static void add_device_config(int type, const char *cmdline)
2314 {
2315 struct device_config *conf;
2316
2317 conf = g_malloc0(sizeof(*conf));
2318 conf->type = type;
2319 conf->cmdline = cmdline;
2320 loc_save(&conf->loc);
2321 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2322 }
2323
2324 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2325 {
2326 struct device_config *conf;
2327 int rc;
2328
2329 QTAILQ_FOREACH(conf, &device_configs, next) {
2330 if (conf->type != type)
2331 continue;
2332 loc_push_restore(&conf->loc);
2333 rc = func(conf->cmdline);
2334 loc_pop(&conf->loc);
2335 if (rc) {
2336 return rc;
2337 }
2338 }
2339 return 0;
2340 }
2341
2342 static int serial_parse(const char *devname)
2343 {
2344 static int index = 0;
2345 char label[32];
2346
2347 if (strcmp(devname, "none") == 0)
2348 return 0;
2349 if (index == MAX_SERIAL_PORTS) {
2350 fprintf(stderr, "qemu: too many serial ports\n");
2351 exit(1);
2352 }
2353 snprintf(label, sizeof(label), "serial%d", index);
2354 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2355 if (!serial_hds[index]) {
2356 fprintf(stderr, "qemu: could not connect serial device"
2357 " to character backend '%s'\n", devname);
2358 return -1;
2359 }
2360 index++;
2361 return 0;
2362 }
2363
2364 static int parallel_parse(const char *devname)
2365 {
2366 static int index = 0;
2367 char label[32];
2368
2369 if (strcmp(devname, "none") == 0)
2370 return 0;
2371 if (index == MAX_PARALLEL_PORTS) {
2372 fprintf(stderr, "qemu: too many parallel ports\n");
2373 exit(1);
2374 }
2375 snprintf(label, sizeof(label), "parallel%d", index);
2376 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2377 if (!parallel_hds[index]) {
2378 fprintf(stderr, "qemu: could not connect parallel device"
2379 " to character backend '%s'\n", devname);
2380 return -1;
2381 }
2382 index++;
2383 return 0;
2384 }
2385
2386 static int virtcon_parse(const char *devname)
2387 {
2388 QemuOptsList *device = qemu_find_opts("device");
2389 static int index = 0;
2390 char label[32];
2391 QemuOpts *bus_opts, *dev_opts;
2392
2393 if (strcmp(devname, "none") == 0)
2394 return 0;
2395 if (index == MAX_VIRTIO_CONSOLES) {
2396 fprintf(stderr, "qemu: too many virtio consoles\n");
2397 exit(1);
2398 }
2399
2400 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2401 if (arch_type == QEMU_ARCH_S390X) {
2402 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2403 } else {
2404 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2405 }
2406
2407 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2408 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2409
2410 snprintf(label, sizeof(label), "virtcon%d", index);
2411 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2412 if (!virtcon_hds[index]) {
2413 fprintf(stderr, "qemu: could not connect virtio console"
2414 " to character backend '%s'\n", devname);
2415 return -1;
2416 }
2417 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2418
2419 index++;
2420 return 0;
2421 }
2422
2423 static int sclp_parse(const char *devname)
2424 {
2425 QemuOptsList *device = qemu_find_opts("device");
2426 static int index = 0;
2427 char label[32];
2428 QemuOpts *dev_opts;
2429
2430 if (strcmp(devname, "none") == 0) {
2431 return 0;
2432 }
2433 if (index == MAX_SCLP_CONSOLES) {
2434 fprintf(stderr, "qemu: too many sclp consoles\n");
2435 exit(1);
2436 }
2437
2438 assert(arch_type == QEMU_ARCH_S390X);
2439
2440 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2441 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2442
2443 snprintf(label, sizeof(label), "sclpcon%d", index);
2444 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2445 if (!sclp_hds[index]) {
2446 fprintf(stderr, "qemu: could not connect sclp console"
2447 " to character backend '%s'\n", devname);
2448 return -1;
2449 }
2450 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2451
2452 index++;
2453 return 0;
2454 }
2455
2456 static int debugcon_parse(const char *devname)
2457 {
2458 QemuOpts *opts;
2459
2460 if (!qemu_chr_new("debugcon", devname, NULL)) {
2461 exit(1);
2462 }
2463 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2464 if (!opts) {
2465 fprintf(stderr, "qemu: already have a debugcon device\n");
2466 exit(1);
2467 }
2468 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2469 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2470 return 0;
2471 }
2472
2473 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2474 {
2475 const MachineClass *mc1 = a, *mc2 = b;
2476 int res;
2477
2478 if (mc1->family == NULL) {
2479 if (mc2->family == NULL) {
2480 /* Compare standalone machine types against each other; they sort
2481 * in increasing order.
2482 */
2483 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2484 object_class_get_name(OBJECT_CLASS(mc2)));
2485 }
2486
2487 /* Standalone machine types sort after families. */
2488 return 1;
2489 }
2490
2491 if (mc2->family == NULL) {
2492 /* Families sort before standalone machine types. */
2493 return -1;
2494 }
2495
2496 /* Families sort between each other alphabetically increasingly. */
2497 res = strcmp(mc1->family, mc2->family);
2498 if (res != 0) {
2499 return res;
2500 }
2501
2502 /* Within the same family, machine types sort in decreasing order. */
2503 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2504 object_class_get_name(OBJECT_CLASS(mc1)));
2505 }
2506
2507 static MachineClass *machine_parse(const char *name)
2508 {
2509 MachineClass *mc = NULL;
2510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2511
2512 if (name) {
2513 mc = find_machine(name);
2514 }
2515 if (mc) {
2516 g_slist_free(machines);
2517 return mc;
2518 }
2519 if (name && !is_help_option(name)) {
2520 error_report("Unsupported machine type");
2521 error_printf("Use -machine help to list supported machines!\n");
2522 } else {
2523 printf("Supported machines are:\n");
2524 machines = g_slist_sort(machines, machine_class_cmp);
2525 for (el = machines; el; el = el->next) {
2526 MachineClass *mc = el->data;
2527 if (mc->alias) {
2528 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2529 }
2530 printf("%-20s %s%s\n", mc->name, mc->desc,
2531 mc->is_default ? " (default)" : "");
2532 }
2533 }
2534
2535 g_slist_free(machines);
2536 exit(!name || !is_help_option(name));
2537 }
2538
2539 void qemu_add_exit_notifier(Notifier *notify)
2540 {
2541 notifier_list_add(&exit_notifiers, notify);
2542 }
2543
2544 void qemu_remove_exit_notifier(Notifier *notify)
2545 {
2546 notifier_remove(notify);
2547 }
2548
2549 static void qemu_run_exit_notifiers(void)
2550 {
2551 notifier_list_notify(&exit_notifiers, NULL);
2552 }
2553
2554 static bool machine_init_done;
2555
2556 void qemu_add_machine_init_done_notifier(Notifier *notify)
2557 {
2558 notifier_list_add(&machine_init_done_notifiers, notify);
2559 if (machine_init_done) {
2560 notify->notify(notify, NULL);
2561 }
2562 }
2563
2564 static void qemu_run_machine_init_done_notifiers(void)
2565 {
2566 notifier_list_notify(&machine_init_done_notifiers, NULL);
2567 machine_init_done = true;
2568 }
2569
2570 static const QEMUOption *lookup_opt(int argc, char **argv,
2571 const char **poptarg, int *poptind)
2572 {
2573 const QEMUOption *popt;
2574 int optind = *poptind;
2575 char *r = argv[optind];
2576 const char *optarg;
2577
2578 loc_set_cmdline(argv, optind, 1);
2579 optind++;
2580 /* Treat --foo the same as -foo. */
2581 if (r[1] == '-')
2582 r++;
2583 popt = qemu_options;
2584 for(;;) {
2585 if (!popt->name) {
2586 error_report("invalid option");
2587 exit(1);
2588 }
2589 if (!strcmp(popt->name, r + 1))
2590 break;
2591 popt++;
2592 }
2593 if (popt->flags & HAS_ARG) {
2594 if (optind >= argc) {
2595 error_report("requires an argument");
2596 exit(1);
2597 }
2598 optarg = argv[optind++];
2599 loc_set_cmdline(argv, optind - 2, 2);
2600 } else {
2601 optarg = NULL;
2602 }
2603
2604 *poptarg = optarg;
2605 *poptind = optind;
2606
2607 return popt;
2608 }
2609
2610 static gpointer malloc_and_trace(gsize n_bytes)
2611 {
2612 void *ptr = malloc(n_bytes);
2613 trace_g_malloc(n_bytes, ptr);
2614 return ptr;
2615 }
2616
2617 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2618 {
2619 void *ptr = realloc(mem, n_bytes);
2620 trace_g_realloc(mem, n_bytes, ptr);
2621 return ptr;
2622 }
2623
2624 static void free_and_trace(gpointer mem)
2625 {
2626 trace_g_free(mem);
2627 free(mem);
2628 }
2629
2630 static int machine_set_property(void *opaque,
2631 const char *name, const char *value,
2632 Error **errp)
2633 {
2634 Object *obj = OBJECT(opaque);
2635 Error *local_err = NULL;
2636 char *c, *qom_name;
2637
2638 if (strcmp(name, "type") == 0) {
2639 return 0;
2640 }
2641
2642 qom_name = g_strdup(name);
2643 c = qom_name;
2644 while (*c++) {
2645 if (*c == '_') {
2646 *c = '-';
2647 }
2648 }
2649
2650 object_property_parse(obj, value, qom_name, &local_err);
2651 g_free(qom_name);
2652
2653 if (local_err) {
2654 error_report_err(local_err);
2655 return -1;
2656 }
2657
2658 return 0;
2659 }
2660
2661 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2662 {
2663 Error *err = NULL;
2664 char *type = NULL;
2665 char *id = NULL;
2666 void *dummy = NULL;
2667 OptsVisitor *ov;
2668 QDict *pdict;
2669
2670 ov = opts_visitor_new(opts);
2671 pdict = qemu_opts_to_qdict(opts, NULL);
2672
2673 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2674 if (err) {
2675 goto out;
2676 }
2677
2678 qdict_del(pdict, "qom-type");
2679 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2680 if (err) {
2681 goto out;
2682 }
2683
2684 qdict_del(pdict, "id");
2685 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2686 if (err) {
2687 goto out;
2688 }
2689
2690 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2691 if (err) {
2692 goto out;
2693 }
2694 visit_end_struct(opts_get_visitor(ov), &err);
2695 if (err) {
2696 qmp_object_del(id, NULL);
2697 }
2698
2699 out:
2700 opts_visitor_cleanup(ov);
2701
2702 QDECREF(pdict);
2703 g_free(id);
2704 g_free(type);
2705 g_free(dummy);
2706 if (err) {
2707 error_report_err(err);
2708 return -1;
2709 }
2710 return 0;
2711 }
2712
2713 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2714 MachineClass *mc)
2715 {
2716 uint64_t sz;
2717 const char *mem_str;
2718 const char *maxmem_str, *slots_str;
2719 const ram_addr_t default_ram_size = mc->default_ram_size;
2720 QemuOpts *opts = qemu_find_opts_singleton("memory");
2721
2722 sz = 0;
2723 mem_str = qemu_opt_get(opts, "size");
2724 if (mem_str) {
2725 if (!*mem_str) {
2726 error_report("missing 'size' option value");
2727 exit(EXIT_FAILURE);
2728 }
2729
2730 sz = qemu_opt_get_size(opts, "size", ram_size);
2731
2732 /* Fix up legacy suffix-less format */
2733 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2734 uint64_t overflow_check = sz;
2735
2736 sz <<= 20;
2737 if ((sz >> 20) != overflow_check) {
2738 error_report("too large 'size' option value");
2739 exit(EXIT_FAILURE);
2740 }
2741 }
2742 }
2743
2744 /* backward compatibility behaviour for case "-m 0" */
2745 if (sz == 0) {
2746 sz = default_ram_size;
2747 }
2748
2749 sz = QEMU_ALIGN_UP(sz, 8192);
2750 ram_size = sz;
2751 if (ram_size != sz) {
2752 error_report("ram size too large");
2753 exit(EXIT_FAILURE);
2754 }
2755
2756 /* store value for the future use */
2757 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2758 *maxram_size = ram_size;
2759
2760 maxmem_str = qemu_opt_get(opts, "maxmem");
2761 slots_str = qemu_opt_get(opts, "slots");
2762 if (maxmem_str && slots_str) {
2763 uint64_t slots;
2764
2765 sz = qemu_opt_get_size(opts, "maxmem", 0);
2766 slots = qemu_opt_get_number(opts, "slots", 0);
2767 if (sz < ram_size) {
2768 error_report("invalid value of -m option maxmem: "
2769 "maximum memory size (0x%" PRIx64 ") must be at least "
2770 "the initial memory size (0x" RAM_ADDR_FMT ")",
2771 sz, ram_size);
2772 exit(EXIT_FAILURE);
2773 } else if (sz > ram_size) {
2774 if (!slots) {
2775 error_report("invalid value of -m option: maxmem was "
2776 "specified, but no hotplug slots were specified");
2777 exit(EXIT_FAILURE);
2778 }
2779 } else if (slots) {
2780 error_report("invalid value of -m option maxmem: "
2781 "memory slots were specified but maximum memory size "
2782 "(0x%" PRIx64 ") is equal to the initial memory size "
2783 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2784 exit(EXIT_FAILURE);
2785 }
2786
2787 *maxram_size = sz;
2788 *ram_slots = slots;
2789 } else if ((!maxmem_str && slots_str) ||
2790 (maxmem_str && !slots_str)) {
2791 error_report("invalid -m option value: missing "
2792 "'%s' option", slots_str ? "maxmem" : "slots");
2793 exit(EXIT_FAILURE);
2794 }
2795 }
2796
2797 int main(int argc, char **argv, char **envp)
2798 {
2799 int i;
2800 int snapshot, linux_boot;
2801 const char *initrd_filename;
2802 const char *kernel_filename, *kernel_cmdline;
2803 const char *boot_order = NULL;
2804 const char *boot_once = NULL;
2805 DisplayState *ds;
2806 int cyls, heads, secs, translation;
2807 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2808 QemuOptsList *olist;
2809 int optind;
2810 const char *optarg;
2811 const char *loadvm = NULL;
2812 MachineClass *machine_class;
2813 const char *cpu_model;
2814 const char *vga_model = NULL;
2815 const char *qtest_chrdev = NULL;
2816 const char *qtest_log = NULL;
2817 const char *pid_file = NULL;
2818 const char *incoming = NULL;
2819 #ifdef CONFIG_VNC
2820 int show_vnc_port = 0;
2821 #endif
2822 bool defconfig = true;
2823 bool userconfig = true;
2824 const char *log_mask = NULL;
2825 const char *log_file = NULL;
2826 GMemVTable mem_trace = {
2827 .malloc = malloc_and_trace,
2828 .realloc = realloc_and_trace,
2829 .free = free_and_trace,
2830 };
2831 const char *trace_events = NULL;
2832 const char *trace_file = NULL;
2833 ram_addr_t maxram_size;
2834 uint64_t ram_slots = 0;
2835 FILE *vmstate_dump_file = NULL;
2836 Error *main_loop_err = NULL;
2837
2838 qemu_init_cpu_loop();
2839 qemu_mutex_lock_iothread();
2840
2841 atexit(qemu_run_exit_notifiers);
2842 error_set_progname(argv[0]);
2843 qemu_init_exec_dir(argv[0]);
2844
2845 g_mem_set_vtable(&mem_trace);
2846
2847 module_call_init(MODULE_INIT_QOM);
2848
2849 qemu_add_opts(&qemu_drive_opts);
2850 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2851 qemu_add_drive_opts(&qemu_common_drive_opts);
2852 qemu_add_drive_opts(&qemu_drive_opts);
2853 qemu_add_opts(&qemu_chardev_opts);
2854 qemu_add_opts(&qemu_device_opts);
2855 qemu_add_opts(&qemu_netdev_opts);
2856 qemu_add_opts(&qemu_net_opts);
2857 qemu_add_opts(&qemu_rtc_opts);
2858 qemu_add_opts(&qemu_global_opts);
2859 qemu_add_opts(&qemu_mon_opts);
2860 qemu_add_opts(&qemu_trace_opts);
2861 qemu_add_opts(&qemu_option_rom_opts);
2862 qemu_add_opts(&qemu_machine_opts);
2863 qemu_add_opts(&qemu_mem_opts);
2864 qemu_add_opts(&qemu_smp_opts);
2865 qemu_add_opts(&qemu_boot_opts);
2866 qemu_add_opts(&qemu_sandbox_opts);
2867 qemu_add_opts(&qemu_add_fd_opts);
2868 qemu_add_opts(&qemu_object_opts);
2869 qemu_add_opts(&qemu_tpmdev_opts);
2870 qemu_add_opts(&qemu_realtime_opts);
2871 qemu_add_opts(&qemu_msg_opts);
2872 qemu_add_opts(&qemu_name_opts);
2873 qemu_add_opts(&qemu_numa_opts);
2874 qemu_add_opts(&qemu_icount_opts);
2875 qemu_add_opts(&qemu_semihosting_config_opts);
2876 qemu_add_opts(&qemu_fw_cfg_opts);
2877
2878 runstate_init();
2879
2880 rtc_clock = QEMU_CLOCK_HOST;
2881
2882 QLIST_INIT (&vm_change_state_head);
2883 os_setup_early_signal_handling();
2884
2885 module_call_init(MODULE_INIT_MACHINE);
2886 machine_class = find_default_machine();
2887 cpu_model = NULL;
2888 snapshot = 0;
2889 cyls = heads = secs = 0;
2890 translation = BIOS_ATA_TRANSLATION_AUTO;
2891
2892 nb_nics = 0;
2893
2894 bdrv_init_with_whitelist();
2895
2896 autostart = 1;
2897
2898 /* first pass of option parsing */
2899 optind = 1;
2900 while (optind < argc) {
2901 if (argv[optind][0] != '-') {
2902 /* disk image */
2903 optind++;
2904 } else {
2905 const QEMUOption *popt;
2906
2907 popt = lookup_opt(argc, argv, &optarg, &optind);
2908 switch (popt->index) {
2909 case QEMU_OPTION_nodefconfig:
2910 defconfig = false;
2911 break;
2912 case QEMU_OPTION_nouserconfig:
2913 userconfig = false;
2914 break;
2915 }
2916 }
2917 }
2918
2919 if (defconfig) {
2920 int ret;
2921 ret = qemu_read_default_config_files(userconfig);
2922 if (ret < 0) {
2923 exit(1);
2924 }
2925 }
2926
2927 /* second pass of option parsing */
2928 optind = 1;
2929 for(;;) {
2930 if (optind >= argc)
2931 break;
2932 if (argv[optind][0] != '-') {
2933 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2934 } else {
2935 const QEMUOption *popt;
2936
2937 popt = lookup_opt(argc, argv, &optarg, &optind);
2938 if (!(popt->arch_mask & arch_type)) {
2939 printf("Option %s not supported for this target\n", popt->name);
2940 exit(1);
2941 }
2942 switch(popt->index) {
2943 case QEMU_OPTION_no_kvm_irqchip: {
2944 olist = qemu_find_opts("machine");
2945 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2946 break;
2947 }
2948 case QEMU_OPTION_cpu:
2949 /* hw initialization will check this */
2950 cpu_model = optarg;
2951 break;
2952 case QEMU_OPTION_hda:
2953 {
2954 char buf[256];
2955 if (cyls == 0)
2956 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2957 else
2958 snprintf(buf, sizeof(buf),
2959 "%s,cyls=%d,heads=%d,secs=%d%s",
2960 HD_OPTS , cyls, heads, secs,
2961 translation == BIOS_ATA_TRANSLATION_LBA ?
2962 ",trans=lba" :
2963 translation == BIOS_ATA_TRANSLATION_NONE ?
2964 ",trans=none" : "");
2965 drive_add(IF_DEFAULT, 0, optarg, buf);
2966 break;
2967 }
2968 case QEMU_OPTION_hdb:
2969 case QEMU_OPTION_hdc:
2970 case QEMU_OPTION_hdd:
2971 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2972 HD_OPTS);
2973 break;
2974 case QEMU_OPTION_drive:
2975 if (drive_def(optarg) == NULL) {
2976 exit(1);
2977 }
2978 break;
2979 case QEMU_OPTION_set:
2980 if (qemu_set_option(optarg) != 0)
2981 exit(1);
2982 break;
2983 case QEMU_OPTION_global:
2984 if (qemu_global_option(optarg) != 0)
2985 exit(1);
2986 break;
2987 case QEMU_OPTION_mtdblock:
2988 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2989 break;
2990 case QEMU_OPTION_sd:
2991 drive_add(IF_SD, -1, optarg, SD_OPTS);
2992 break;
2993 case QEMU_OPTION_pflash:
2994 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2995 break;
2996 case QEMU_OPTION_snapshot:
2997 snapshot = 1;
2998 break;
2999 case QEMU_OPTION_hdachs:
3000 {
3001 const char *p;
3002 p = optarg;
3003 cyls = strtol(p, (char **)&p, 0);
3004 if (cyls < 1 || cyls > 16383)
3005 goto chs_fail;
3006 if (*p != ',')
3007 goto chs_fail;
3008 p++;
3009 heads = strtol(p, (char **)&p, 0);
3010 if (heads < 1 || heads > 16)
3011 goto chs_fail;
3012 if (*p != ',')
3013 goto chs_fail;
3014 p++;
3015 secs = strtol(p, (char **)&p, 0);
3016 if (secs < 1 || secs > 63)
3017 goto chs_fail;
3018 if (*p == ',') {
3019 p++;
3020 if (!strcmp(p, "large")) {
3021 translation = BIOS_ATA_TRANSLATION_LARGE;
3022 } else if (!strcmp(p, "rechs")) {
3023 translation = BIOS_ATA_TRANSLATION_RECHS;
3024 } else if (!strcmp(p, "none")) {
3025 translation = BIOS_ATA_TRANSLATION_NONE;
3026 } else if (!strcmp(p, "lba")) {
3027 translation = BIOS_ATA_TRANSLATION_LBA;
3028 } else if (!strcmp(p, "auto")) {
3029 translation = BIOS_ATA_TRANSLATION_AUTO;
3030 } else {
3031 goto chs_fail;
3032 }
3033 } else if (*p != '\0') {
3034 chs_fail:
3035 fprintf(stderr, "qemu: invalid physical CHS format\n");
3036 exit(1);
3037 }
3038 if (hda_opts != NULL) {
3039 qemu_opt_set_number(hda_opts, "cyls", cyls,
3040 &error_abort);
3041 qemu_opt_set_number(hda_opts, "heads", heads,
3042 &error_abort);
3043 qemu_opt_set_number(hda_opts, "secs", secs,
3044 &error_abort);
3045 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3046 qemu_opt_set(hda_opts, "trans", "large",
3047 &error_abort);
3048 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3049 qemu_opt_set(hda_opts, "trans", "rechs",
3050 &error_abort);
3051 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3052 qemu_opt_set(hda_opts, "trans", "lba",
3053 &error_abort);
3054 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3055 qemu_opt_set(hda_opts, "trans", "none",
3056 &error_abort);
3057 }
3058 }
3059 }
3060 break;
3061 case QEMU_OPTION_numa:
3062 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3063 if (!opts) {
3064 exit(1);
3065 }
3066 break;
3067 case QEMU_OPTION_display:
3068 display_type = select_display(optarg);
3069 break;
3070 case QEMU_OPTION_nographic:
3071 display_type = DT_NOGRAPHIC;
3072 break;
3073 case QEMU_OPTION_curses:
3074 #ifdef CONFIG_CURSES
3075 display_type = DT_CURSES;
3076 #else
3077 fprintf(stderr, "Curses support is disabled\n");
3078 exit(1);
3079 #endif
3080 break;
3081 case QEMU_OPTION_portrait:
3082 graphic_rotate = 90;
3083 break;
3084 case QEMU_OPTION_rotate:
3085 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3086 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3087 graphic_rotate != 180 && graphic_rotate != 270) {
3088 fprintf(stderr,
3089 "qemu: only 90, 180, 270 deg rotation is available\n");
3090 exit(1);
3091 }
3092 break;
3093 case QEMU_OPTION_kernel:
3094 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3095 &error_abort);
3096 break;
3097 case QEMU_OPTION_initrd:
3098 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3099 &error_abort);
3100 break;
3101 case QEMU_OPTION_append:
3102 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3103 &error_abort);
3104 break;
3105 case QEMU_OPTION_dtb:
3106 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3107 &error_abort);
3108 break;
3109 case QEMU_OPTION_cdrom:
3110 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3111 break;
3112 case QEMU_OPTION_boot:
3113 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3114 if (!opts) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_fda:
3119 case QEMU_OPTION_fdb:
3120 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3121 optarg, FD_OPTS);
3122 break;
3123 case QEMU_OPTION_no_fd_bootchk:
3124 fd_bootchk = 0;
3125 break;
3126 case QEMU_OPTION_netdev:
3127 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3128 exit(1);
3129 }
3130 break;
3131 case QEMU_OPTION_net:
3132 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3133 exit(1);
3134 }
3135 break;
3136 #ifdef CONFIG_LIBISCSI
3137 case QEMU_OPTION_iscsi:
3138 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3139 if (!opts) {
3140 exit(1);
3141 }
3142 break;
3143 #endif
3144 #ifdef CONFIG_SLIRP
3145 case QEMU_OPTION_tftp:
3146 legacy_tftp_prefix = optarg;
3147 break;
3148 case QEMU_OPTION_bootp:
3149 legacy_bootp_filename = optarg;
3150 break;
3151 case QEMU_OPTION_redir:
3152 if (net_slirp_redir(optarg) < 0)
3153 exit(1);
3154 break;
3155 #endif
3156 case QEMU_OPTION_bt:
3157 add_device_config(DEV_BT, optarg);
3158 break;
3159 case QEMU_OPTION_audio_help:
3160 AUD_help ();
3161 exit (0);
3162 break;
3163 case QEMU_OPTION_soundhw:
3164 select_soundhw (optarg);
3165 break;
3166 case QEMU_OPTION_h:
3167 help(0);
3168 break;
3169 case QEMU_OPTION_version:
3170 version();
3171 exit(0);
3172 break;
3173 case QEMU_OPTION_m:
3174 opts = qemu_opts_parse(qemu_find_opts("memory"),
3175 optarg, 1);
3176 if (!opts) {
3177 exit(EXIT_FAILURE);
3178 }
3179 break;
3180 #ifdef CONFIG_TPM
3181 case QEMU_OPTION_tpmdev:
3182 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3183 exit(1);
3184 }
3185 break;
3186 #endif
3187 case QEMU_OPTION_mempath:
3188 mem_path = optarg;
3189 break;
3190 case QEMU_OPTION_mem_prealloc:
3191 mem_prealloc = 1;
3192 break;
3193 case QEMU_OPTION_d:
3194 log_mask = optarg;
3195 break;
3196 case QEMU_OPTION_D:
3197 log_file = optarg;
3198 break;
3199 case QEMU_OPTION_s:
3200 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3201 break;
3202 case QEMU_OPTION_gdb:
3203 add_device_config(DEV_GDB, optarg);
3204 break;
3205 case QEMU_OPTION_L:
3206 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3207 data_dir[data_dir_idx++] = optarg;
3208 }
3209 break;
3210 case QEMU_OPTION_bios:
3211 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3212 &error_abort);
3213 break;
3214 case QEMU_OPTION_singlestep:
3215 singlestep = 1;
3216 break;
3217 case QEMU_OPTION_S:
3218 autostart = 0;
3219 break;
3220 case QEMU_OPTION_k:
3221 keyboard_layout = optarg;
3222 break;
3223 case QEMU_OPTION_localtime:
3224 rtc_utc = 0;
3225 break;
3226 case QEMU_OPTION_vga:
3227 vga_model = optarg;
3228 default_vga = 0;
3229 break;
3230 case QEMU_OPTION_g:
3231 {
3232 const char *p;
3233 int w, h, depth;
3234 p = optarg;
3235 w = strtol(p, (char **)&p, 10);
3236 if (w <= 0) {
3237 graphic_error:
3238 fprintf(stderr, "qemu: invalid resolution or depth\n");
3239 exit(1);
3240 }
3241 if (*p != 'x')
3242 goto graphic_error;
3243 p++;
3244 h = strtol(p, (char **)&p, 10);
3245 if (h <= 0)
3246 goto graphic_error;
3247 if (*p == 'x') {
3248 p++;
3249 depth = strtol(p, (char **)&p, 10);
3250 if (depth != 8 && depth != 15 && depth != 16 &&
3251 depth != 24 && depth != 32)
3252 goto graphic_error;
3253 } else if (*p == '\0') {
3254 depth = graphic_depth;
3255 } else {
3256 goto graphic_error;
3257 }
3258
3259 graphic_width = w;
3260 graphic_height = h;
3261 graphic_depth = depth;
3262 }
3263 break;
3264 case QEMU_OPTION_echr:
3265 {
3266 char *r;
3267 term_escape_char = strtol(optarg, &r, 0);
3268 if (r == optarg)
3269 printf("Bad argument to echr\n");
3270 break;
3271 }
3272 case QEMU_OPTION_monitor:
3273 default_monitor = 0;
3274 if (strncmp(optarg, "none", 4)) {
3275 monitor_parse(optarg, "readline", false);
3276 }
3277 break;
3278 case QEMU_OPTION_qmp:
3279 monitor_parse(optarg, "control", false);
3280 default_monitor = 0;
3281 break;
3282 case QEMU_OPTION_qmp_pretty:
3283 monitor_parse(optarg, "control", true);
3284 default_monitor = 0;
3285 break;
3286 case QEMU_OPTION_mon:
3287 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3288 if (!opts) {
3289 exit(1);
3290 }
3291 default_monitor = 0;
3292 break;
3293 case QEMU_OPTION_chardev:
3294 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3295 if (!opts) {
3296 exit(1);
3297 }
3298 break;
3299 case QEMU_OPTION_fsdev:
3300 olist = qemu_find_opts("fsdev");
3301 if (!olist) {
3302 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3303 exit(1);
3304 }
3305 opts = qemu_opts_parse(olist, optarg, 1);
3306 if (!opts) {
3307 exit(1);
3308 }
3309 break;
3310 case QEMU_OPTION_virtfs: {
3311 QemuOpts *fsdev;
3312 QemuOpts *device;
3313 const char *writeout, *sock_fd, *socket;
3314
3315 olist = qemu_find_opts("virtfs");
3316 if (!olist) {
3317 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3318 exit(1);
3319 }
3320 opts = qemu_opts_parse(olist, optarg, 1);
3321 if (!opts) {
3322 exit(1);
3323 }
3324
3325 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3326 qemu_opt_get(opts, "mount_tag") == NULL) {
3327 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3328 exit(1);
3329 }
3330 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3331 qemu_opt_get(opts, "mount_tag"),
3332 1, NULL);
3333 if (!fsdev) {
3334 fprintf(stderr, "duplicate fsdev id: %s\n",
3335 qemu_opt_get(opts, "mount_tag"));
3336 exit(1);
3337 }
3338
3339 writeout = qemu_opt_get(opts, "writeout");
3340 if (writeout) {
3341 #ifdef CONFIG_SYNC_FILE_RANGE
3342 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3343 #else
3344 fprintf(stderr, "writeout=immediate not supported on "
3345 "this platform\n");
3346 exit(1);
3347 #endif
3348 }
3349 qemu_opt_set(fsdev, "fsdriver",
3350 qemu_opt_get(opts, "fsdriver"), &error_abort);
3351 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3352 &error_abort);
3353 qemu_opt_set(fsdev, "security_model",
3354 qemu_opt_get(opts, "security_model"),
3355 &error_abort);
3356 socket = qemu_opt_get(opts, "socket");
3357 if (socket) {
3358 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3359 }
3360 sock_fd = qemu_opt_get(opts, "sock_fd");
3361 if (sock_fd) {
3362 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3363 }
3364
3365 qemu_opt_set_bool(fsdev, "readonly",
3366 qemu_opt_get_bool(opts, "readonly", 0),
3367 &error_abort);
3368 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3369 &error_abort);
3370 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3371 qemu_opt_set(device, "fsdev",
3372 qemu_opt_get(opts, "mount_tag"), &error_abort);
3373 qemu_opt_set(device, "mount_tag",
3374 qemu_opt_get(opts, "mount_tag"), &error_abort);
3375 break;
3376 }
3377 case QEMU_OPTION_virtfs_synth: {
3378 QemuOpts *fsdev;
3379 QemuOpts *device;
3380
3381 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3382 1, NULL);
3383 if (!fsdev) {
3384 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3385 exit(1);
3386 }
3387 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3388
3389 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3390 &error_abort);
3391 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3392 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3393 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3394 break;
3395 }
3396 case QEMU_OPTION_serial:
3397 add_device_config(DEV_SERIAL, optarg);
3398 default_serial = 0;
3399 if (strncmp(optarg, "mon:", 4) == 0) {
3400 default_monitor = 0;
3401 }
3402 break;
3403 case QEMU_OPTION_watchdog:
3404 if (watchdog) {
3405 fprintf(stderr,
3406 "qemu: only one watchdog option may be given\n");
3407 return 1;
3408 }
3409 watchdog = optarg;
3410 break;
3411 case QEMU_OPTION_watchdog_action:
3412 if (select_watchdog_action(optarg) == -1) {
3413 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3414 exit(1);
3415 }
3416 break;
3417 case QEMU_OPTION_virtiocon:
3418 add_device_config(DEV_VIRTCON, optarg);
3419 default_virtcon = 0;
3420 if (strncmp(optarg, "mon:", 4) == 0) {
3421 default_monitor = 0;
3422 }
3423 break;
3424 case QEMU_OPTION_parallel:
3425 add_device_config(DEV_PARALLEL, optarg);
3426 default_parallel = 0;
3427 if (strncmp(optarg, "mon:", 4) == 0) {
3428 default_monitor = 0;
3429 }
3430 break;
3431 case QEMU_OPTION_debugcon:
3432 add_device_config(DEV_DEBUGCON, optarg);
3433 break;
3434 case QEMU_OPTION_loadvm:
3435 loadvm = optarg;
3436 break;
3437 case QEMU_OPTION_full_screen:
3438 full_screen = 1;
3439 break;
3440 case QEMU_OPTION_no_frame:
3441 no_frame = 1;
3442 break;
3443 case QEMU_OPTION_alt_grab:
3444 alt_grab = 1;
3445 break;
3446 case QEMU_OPTION_ctrl_grab:
3447 ctrl_grab = 1;
3448 break;
3449 case QEMU_OPTION_no_quit:
3450 no_quit = 1;
3451 break;
3452 case QEMU_OPTION_sdl:
3453 #ifdef CONFIG_SDL
3454 display_type = DT_SDL;
3455 break;
3456 #else
3457 fprintf(stderr, "SDL support is disabled\n");
3458 exit(1);
3459 #endif
3460 case QEMU_OPTION_pidfile:
3461 pid_file = optarg;
3462 break;
3463 case QEMU_OPTION_win2k_hack:
3464 win2k_install_hack = 1;
3465 break;
3466 case QEMU_OPTION_rtc_td_hack: {
3467 static GlobalProperty slew_lost_ticks[] = {
3468 {
3469 .driver = "mc146818rtc",
3470 .property = "lost_tick_policy",
3471 .value = "slew",
3472 },
3473 { /* end of list */ }
3474 };
3475
3476 qdev_prop_register_global_list(slew_lost_ticks);
3477 break;
3478 }
3479 case QEMU_OPTION_acpitable:
3480 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3481 if (!opts) {
3482 exit(1);
3483 }
3484 do_acpitable_option(opts);
3485 break;
3486 case QEMU_OPTION_smbios:
3487 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3488 if (!opts) {
3489 exit(1);
3490 }
3491 do_smbios_option(opts);
3492 break;
3493 case QEMU_OPTION_fwcfg:
3494 opts = qemu_opts_parse(qemu_find_opts("fw_cfg"), optarg, 1);
3495 if (opts == NULL) {
3496 exit(1);
3497 }
3498 break;
3499 case QEMU_OPTION_enable_kvm:
3500 olist = qemu_find_opts("machine");
3501 qemu_opts_parse(olist, "accel=kvm", 0);
3502 break;
3503 case QEMU_OPTION_M:
3504 case QEMU_OPTION_machine:
3505 olist = qemu_find_opts("machine");
3506 opts = qemu_opts_parse(olist, optarg, 1);
3507 if (!opts) {
3508 exit(1);
3509 }
3510 break;
3511 case QEMU_OPTION_no_kvm:
3512 olist = qemu_find_opts("machine");
3513 qemu_opts_parse(olist, "accel=tcg", 0);
3514 break;
3515 case QEMU_OPTION_no_kvm_pit: {
3516 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3517 "separately.\n");
3518 break;
3519 }
3520 case QEMU_OPTION_no_kvm_pit_reinjection: {
3521 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3522 {
3523 .driver = "kvm-pit",
3524 .property = "lost_tick_policy",
3525 .value = "discard",
3526 },
3527 { /* end of list */ }
3528 };
3529
3530 fprintf(stderr, "Warning: option deprecated, use "
3531 "lost_tick_policy property of kvm-pit instead.\n");
3532 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3533 break;
3534 }
3535 case QEMU_OPTION_usb:
3536 olist = qemu_find_opts("machine");
3537 qemu_opts_parse(olist, "usb=on", 0);
3538 break;
3539 case QEMU_OPTION_usbdevice:
3540 olist = qemu_find_opts("machine");
3541 qemu_opts_parse(olist, "usb=on", 0);
3542 add_device_config(DEV_USB, optarg);
3543 break;
3544 case QEMU_OPTION_device:
3545 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3546 exit(1);
3547 }
3548 break;
3549 case QEMU_OPTION_smp:
3550 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3551 exit(1);
3552 }
3553 break;
3554 case QEMU_OPTION_vnc:
3555 #ifdef CONFIG_VNC
3556 if (vnc_parse_func(optarg) == NULL) {
3557 exit(1);
3558 }
3559 #else
3560 fprintf(stderr, "VNC support is disabled\n");
3561 exit(1);
3562 #endif
3563 break;
3564 case QEMU_OPTION_no_acpi:
3565 acpi_enabled = 0;
3566 break;
3567 case QEMU_OPTION_no_hpet:
3568 no_hpet = 1;
3569 break;
3570 case QEMU_OPTION_balloon:
3571 if (balloon_parse(optarg) < 0) {
3572 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3573 exit(1);
3574 }
3575 break;
3576 case QEMU_OPTION_no_reboot:
3577 no_reboot = 1;
3578 break;
3579 case QEMU_OPTION_no_shutdown:
3580 no_shutdown = 1;
3581 break;
3582 case QEMU_OPTION_show_cursor:
3583 cursor_hide = 0;
3584 break;
3585 case QEMU_OPTION_uuid:
3586 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3587 fprintf(stderr, "Fail to parse UUID string."
3588 " Wrong format.\n");
3589 exit(1);
3590 }
3591 qemu_uuid_set = true;
3592 break;
3593 case QEMU_OPTION_option_rom:
3594 if (nb_option_roms >= MAX_OPTION_ROMS) {
3595 fprintf(stderr, "Too many option ROMs\n");
3596 exit(1);
3597 }
3598 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3599 if (!opts) {
3600 exit(1);
3601 }
3602 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3603 option_rom[nb_option_roms].bootindex =
3604 qemu_opt_get_number(opts, "bootindex", -1);
3605 if (!option_rom[nb_option_roms].name) {
3606 fprintf(stderr, "Option ROM file is not specified\n");
3607 exit(1);
3608 }
3609 nb_option_roms++;
3610 break;
3611 case QEMU_OPTION_semihosting:
3612 semihosting_enabled = 1;
3613 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3614 break;
3615 case QEMU_OPTION_semihosting_config:
3616 semihosting_enabled = 1;
3617 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3618 optarg, 0);
3619 if (opts != NULL) {
3620 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3621 true);
3622 const char *target = qemu_opt_get(opts, "target");
3623 if (target != NULL) {
3624 if (strcmp("native", target) == 0) {
3625 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3626 } else if (strcmp("gdb", target) == 0) {
3627 semihosting_target = SEMIHOSTING_TARGET_GDB;
3628 } else if (strcmp("auto", target) == 0) {
3629 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3630 } else {
3631 fprintf(stderr, "Unsupported semihosting-config"
3632 " %s\n",
3633 optarg);
3634 exit(1);
3635 }
3636 } else {
3637 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3638 }
3639 } else {
3640 fprintf(stderr, "Unsupported semihosting-config %s\n",
3641 optarg);
3642 exit(1);
3643 }
3644 break;
3645 case QEMU_OPTION_tdf:
3646 fprintf(stderr, "Warning: user space PIT time drift fix "
3647 "is no longer supported.\n");
3648 break;
3649 case QEMU_OPTION_name:
3650 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 break;
3655 case QEMU_OPTION_prom_env:
3656 if (nb_prom_envs >= MAX_PROM_ENVS) {
3657 fprintf(stderr, "Too many prom variables\n");
3658 exit(1);
3659 }
3660 prom_envs[nb_prom_envs] = optarg;
3661 nb_prom_envs++;
3662 break;
3663 case QEMU_OPTION_old_param:
3664 old_param = 1;
3665 break;
3666 case QEMU_OPTION_clock:
3667 /* Clock options no longer exist. Keep this option for
3668 * backward compatibility.
3669 */
3670 break;
3671 case QEMU_OPTION_startdate:
3672 configure_rtc_date_offset(optarg, 1);
3673 break;
3674 case QEMU_OPTION_rtc:
3675 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3676 if (!opts) {
3677 exit(1);
3678 }
3679 configure_rtc(opts);
3680 break;
3681 case QEMU_OPTION_tb_size:
3682 tcg_tb_size = strtol(optarg, NULL, 0);
3683 if (tcg_tb_size < 0) {
3684 tcg_tb_size = 0;
3685 }
3686 break;
3687 case QEMU_OPTION_icount:
3688 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3689 optarg, 1);
3690 if (!icount_opts) {
3691 exit(1);
3692 }
3693 break;
3694 case QEMU_OPTION_incoming:
3695 if (!incoming) {
3696 runstate_set(RUN_STATE_INMIGRATE);
3697 }
3698 incoming = optarg;
3699 break;
3700 case QEMU_OPTION_nodefaults:
3701 has_defaults = 0;
3702 break;
3703 case QEMU_OPTION_xen_domid:
3704 if (!(xen_available())) {
3705 printf("Option %s not supported for this target\n", popt->name);
3706 exit(1);
3707 }
3708 xen_domid = atoi(optarg);
3709 break;
3710 case QEMU_OPTION_xen_create:
3711 if (!(xen_available())) {
3712 printf("Option %s not supported for this target\n", popt->name);
3713 exit(1);
3714 }
3715 xen_mode = XEN_CREATE;
3716 break;
3717 case QEMU_OPTION_xen_attach:
3718 if (!(xen_available())) {
3719 printf("Option %s not supported for this target\n", popt->name);
3720 exit(1);
3721 }
3722 xen_mode = XEN_ATTACH;
3723 break;
3724 case QEMU_OPTION_trace:
3725 {
3726 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3727 if (!opts) {
3728 exit(1);
3729 }
3730 trace_events = qemu_opt_get(opts, "events");
3731 trace_file = qemu_opt_get(opts, "file");
3732 break;
3733 }
3734 case QEMU_OPTION_readconfig:
3735 {
3736 int ret = qemu_read_config_file(optarg);
3737 if (ret < 0) {
3738 fprintf(stderr, "read config %s: %s\n", optarg,
3739 strerror(-ret));
3740 exit(1);
3741 }
3742 break;
3743 }
3744 case QEMU_OPTION_spice:
3745 olist = qemu_find_opts("spice");
3746 if (!olist) {
3747 fprintf(stderr, "spice is not supported by this qemu build.\n");
3748 exit(1);
3749 }
3750 opts = qemu_opts_parse(olist, optarg, 0);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 display_remote++;
3755 break;
3756 case QEMU_OPTION_writeconfig:
3757 {
3758 FILE *fp;
3759 if (strcmp(optarg, "-") == 0) {
3760 fp = stdout;
3761 } else {
3762 fp = fopen(optarg, "w");
3763 if (fp == NULL) {
3764 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3765 exit(1);
3766 }
3767 }
3768 qemu_config_write(fp);
3769 if (fp != stdout) {
3770 fclose(fp);
3771 }
3772 break;
3773 }
3774 case QEMU_OPTION_qtest:
3775 qtest_chrdev = optarg;
3776 break;
3777 case QEMU_OPTION_qtest_log:
3778 qtest_log = optarg;
3779 break;
3780 case QEMU_OPTION_sandbox:
3781 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3782 if (!opts) {
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_add_fd:
3787 #ifndef _WIN32
3788 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3789 if (!opts) {
3790 exit(1);
3791 }
3792 #else
3793 error_report("File descriptor passing is disabled on this "
3794 "platform");
3795 exit(1);
3796 #endif
3797 break;
3798 case QEMU_OPTION_object:
3799 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3800 if (!opts) {
3801 exit(1);
3802 }
3803 break;
3804 case QEMU_OPTION_realtime:
3805 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3810 break;
3811 case QEMU_OPTION_msg:
3812 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3813 if (!opts) {
3814 exit(1);
3815 }
3816 configure_msg(opts);
3817 break;
3818 case QEMU_OPTION_dump_vmstate:
3819 if (vmstate_dump_file) {
3820 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3821 "option may be given\n");
3822 exit(1);
3823 }
3824 vmstate_dump_file = fopen(optarg, "w");
3825 if (vmstate_dump_file == NULL) {
3826 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3827 exit(1);
3828 }
3829 break;
3830 default:
3831 os_parse_cmd_args(popt->index, optarg);
3832 }
3833 }
3834 }
3835
3836 opts = qemu_get_machine_opts();
3837 optarg = qemu_opt_get(opts, "type");
3838 if (optarg) {
3839 machine_class = machine_parse(optarg);
3840 }
3841
3842 if (machine_class == NULL) {
3843 fprintf(stderr, "No machine specified, and there is no default.\n"
3844 "Use -machine help to list supported machines!\n");
3845 exit(1);
3846 }
3847
3848 set_memory_options(&ram_slots, &maxram_size, machine_class);
3849
3850 loc_set_none();
3851
3852 os_daemonize();
3853
3854 if (qemu_init_main_loop(&main_loop_err)) {
3855 error_report_err(main_loop_err);
3856 exit(1);
3857 }
3858
3859 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3860 parse_sandbox, NULL, NULL)) {
3861 exit(1);
3862 }
3863
3864 if (qemu_opts_foreach(qemu_find_opts("name"),
3865 parse_name, NULL, NULL)) {
3866 exit(1);
3867 }
3868
3869 #ifndef _WIN32
3870 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3871 parse_add_fd, NULL, NULL)) {
3872 exit(1);
3873 }
3874
3875 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3876 cleanup_add_fd, NULL, NULL)) {
3877 exit(1);
3878 }
3879 #endif
3880
3881 current_machine = MACHINE(object_new(object_class_get_name(
3882 OBJECT_CLASS(machine_class))));
3883 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3884 exit(0);
3885 }
3886 object_property_add_child(object_get_root(), "machine",
3887 OBJECT(current_machine), &error_abort);
3888 cpu_exec_init_all();
3889
3890 if (machine_class->hw_version) {
3891 qemu_set_version(machine_class->hw_version);
3892 }
3893
3894 /* Init CPU def lists, based on config
3895 * - Must be called after all the qemu_read_config_file() calls
3896 * - Must be called before list_cpus()
3897 * - Must be called before machine->init()
3898 */
3899 cpudef_init();
3900
3901 if (cpu_model && is_help_option(cpu_model)) {
3902 list_cpus(stdout, &fprintf, cpu_model);
3903 exit(0);
3904 }
3905
3906 /* Open the logfile at this point, if necessary. We can't open the logfile
3907 * when encountering either of the logging options (-d or -D) because the
3908 * other one may be encountered later on the command line, changing the
3909 * location or level of logging.
3910 */
3911 if (log_mask) {
3912 int mask;
3913 if (log_file) {
3914 qemu_set_log_filename(log_file);
3915 }
3916
3917 mask = qemu_str_to_log_mask(log_mask);
3918 if (!mask) {
3919 qemu_print_log_usage(stdout);
3920 exit(1);
3921 }
3922 qemu_set_log(mask);
3923 }
3924
3925 if (!is_daemonized()) {
3926 if (!trace_init_backends(trace_events, trace_file)) {
3927 exit(1);
3928 }
3929 }
3930
3931 /* If no data_dir is specified then try to find it relative to the
3932 executable path. */
3933 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3934 data_dir[data_dir_idx] = os_find_datadir();
3935 if (data_dir[data_dir_idx] != NULL) {
3936 data_dir_idx++;
3937 }
3938 }
3939 /* If all else fails use the install path specified when building. */
3940 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3941 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3942 }
3943
3944 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3945
3946 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3947 if (max_cpus > machine_class->max_cpus) {
3948 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3949 "supported by machine `%s' (%d)\n", max_cpus,
3950 machine_class->name, machine_class->max_cpus);
3951 exit(1);
3952 }
3953
3954 /*
3955 * Get the default machine options from the machine if it is not already
3956 * specified either by the configuration file or by the command line.
3957 */
3958 if (machine_class->default_machine_opts) {
3959 qemu_opts_set_defaults(qemu_find_opts("machine"),
3960 machine_class->default_machine_opts, 0);
3961 }
3962
3963 qemu_opts_foreach(qemu_find_opts("device"),
3964 default_driver_check, NULL, NULL);
3965 qemu_opts_foreach(qemu_find_opts("global"),
3966 default_driver_check, NULL, NULL);
3967
3968 if (!vga_model && !default_vga) {
3969 vga_interface_type = VGA_DEVICE;
3970 }
3971 if (!has_defaults || machine_class->no_serial) {
3972 default_serial = 0;
3973 }
3974 if (!has_defaults || machine_class->no_parallel) {
3975 default_parallel = 0;
3976 }
3977 if (!has_defaults || !machine_class->use_virtcon) {
3978 default_virtcon = 0;
3979 }
3980 if (!has_defaults || !machine_class->use_sclp) {
3981 default_sclp = 0;
3982 }
3983 if (!has_defaults || machine_class->no_floppy) {
3984 default_floppy = 0;
3985 }
3986 if (!has_defaults || machine_class->no_cdrom) {
3987 default_cdrom = 0;
3988 }
3989 if (!has_defaults || machine_class->no_sdcard) {
3990 default_sdcard = 0;
3991 }
3992 if (!has_defaults) {
3993 default_monitor = 0;
3994 default_net = 0;
3995 default_vga = 0;
3996 }
3997
3998 if (is_daemonized()) {
3999 /* According to documentation and historically, -nographic redirects
4000 * serial port, parallel port and monitor to stdio, which does not work
4001 * with -daemonize. We can redirect these to null instead, but since
4002 * -nographic is legacy, let's just error out.
4003 * We disallow -nographic only if all other ports are not redirected
4004 * explicitly, to not break existing legacy setups which uses
4005 * -nographic _and_ redirects all ports explicitly - this is valid
4006 * usage, -nographic is just a no-op in this case.
4007 */
4008 if (display_type == DT_NOGRAPHIC
4009 && (default_parallel || default_serial
4010 || default_monitor || default_virtcon)) {
4011 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4012 exit(1);
4013 }
4014 #ifdef CONFIG_CURSES
4015 if (display_type == DT_CURSES) {
4016 fprintf(stderr, "curses display can not be used with -daemonize\n");
4017 exit(1);
4018 }
4019 #endif
4020 }
4021
4022 if (display_type == DT_NOGRAPHIC) {
4023 if (default_parallel)
4024 add_device_config(DEV_PARALLEL, "null");
4025 if (default_serial && default_monitor) {
4026 add_device_config(DEV_SERIAL, "mon:stdio");
4027 } else if (default_virtcon && default_monitor) {
4028 add_device_config(DEV_VIRTCON, "mon:stdio");
4029 } else if (default_sclp && default_monitor) {
4030 add_device_config(DEV_SCLP, "mon:stdio");
4031 } else {
4032 if (default_serial)
4033 add_device_config(DEV_SERIAL, "stdio");
4034 if (default_virtcon)
4035 add_device_config(DEV_VIRTCON, "stdio");
4036 if (default_sclp) {
4037 add_device_config(DEV_SCLP, "stdio");
4038 }
4039 if (default_monitor)
4040 monitor_parse("stdio", "readline", false);
4041 }
4042 } else {
4043 if (default_serial)
4044 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4045 if (default_parallel)
4046 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4047 if (default_monitor)
4048 monitor_parse("vc:80Cx24C", "readline", false);
4049 if (default_virtcon)
4050 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4051 if (default_sclp) {
4052 add_device_config(DEV_SCLP, "vc:80Cx24C");
4053 }
4054 }
4055
4056 #if defined(CONFIG_VNC)
4057 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4058 display_remote++;
4059 }
4060 #endif
4061 if (display_type == DT_DEFAULT && !display_remote) {
4062 #if defined(CONFIG_GTK)
4063 display_type = DT_GTK;
4064 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4065 display_type = DT_SDL;
4066 #elif defined(CONFIG_VNC)
4067 vnc_parse_func("localhost:0,to=99,id=default");
4068 show_vnc_port = 1;
4069 #else
4070 display_type = DT_NONE;
4071 #endif
4072 }
4073
4074 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4075 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4076 "for SDL, ignoring option\n");
4077 }
4078 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4079 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4080 "ignoring option\n");
4081 }
4082
4083 #if defined(CONFIG_GTK)
4084 if (display_type == DT_GTK) {
4085 early_gtk_display_init(request_opengl);
4086 }
4087 #endif
4088 #if defined(CONFIG_SDL)
4089 if (display_type == DT_SDL) {
4090 sdl_display_early_init(request_opengl);
4091 }
4092 #endif
4093 if (request_opengl == 1 && display_opengl == 0) {
4094 #if defined(CONFIG_OPENGL)
4095 fprintf(stderr, "OpenGL is not supported by the display.\n");
4096 #else
4097 fprintf(stderr, "QEMU was built without opengl support.\n");
4098 #endif
4099 exit(1);
4100 }
4101
4102 socket_init();
4103
4104 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4105 chardev_init_func, NULL, NULL)) {
4106 exit(1);
4107 }
4108
4109 #ifdef CONFIG_VIRTFS
4110 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4111 fsdev_init_func, NULL, NULL)) {
4112 exit(1);
4113 }
4114 #endif
4115
4116 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4117 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4118 exit(1);
4119 }
4120
4121 if (qemu_opts_foreach(qemu_find_opts("device"),
4122 device_help_func, NULL, NULL)) {
4123 exit(0);
4124 }
4125
4126 if (qemu_opts_foreach(qemu_find_opts("object"),
4127 object_create, NULL, NULL)) {
4128 exit(1);
4129 }
4130
4131 machine_opts = qemu_get_machine_opts();
4132 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4133 NULL)) {
4134 object_unref(OBJECT(current_machine));
4135 exit(1);
4136 }
4137
4138 configure_accelerator(current_machine);
4139
4140 if (qtest_chrdev) {
4141 Error *local_err = NULL;
4142 qtest_init(qtest_chrdev, qtest_log, &local_err);
4143 if (local_err) {
4144 error_report_err(local_err);
4145 exit(1);
4146 }
4147 }
4148
4149 machine_opts = qemu_get_machine_opts();
4150 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4151 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4152 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4153 bios_name = qemu_opt_get(machine_opts, "firmware");
4154
4155 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4156 if (opts) {
4157 Error *local_err = NULL;
4158
4159 boot_order = qemu_opt_get(opts, "order");
4160 if (boot_order) {
4161 validate_bootdevices(boot_order, &local_err);
4162 if (local_err) {
4163 error_report_err(local_err);
4164 exit(1);
4165 }
4166 }
4167
4168 boot_once = qemu_opt_get(opts, "once");
4169 if (boot_once) {
4170 validate_bootdevices(boot_once, &local_err);
4171 if (local_err) {
4172 error_report_err(local_err);
4173 exit(1);
4174 }
4175 }
4176
4177 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4178 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4179 }
4180
4181 if (!boot_order) {
4182 boot_order = machine_class->default_boot_order;
4183 }
4184
4185 if (!kernel_cmdline) {
4186 kernel_cmdline = "";
4187 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4188 }
4189
4190 linux_boot = (kernel_filename != NULL);
4191
4192 if (!linux_boot && *kernel_cmdline != '\0') {
4193 fprintf(stderr, "-append only allowed with -kernel option\n");
4194 exit(1);
4195 }
4196
4197 if (!linux_boot && initrd_filename != NULL) {
4198 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4199 exit(1);
4200 }
4201
4202 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4203 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4204 exit(1);
4205 }
4206
4207 os_set_line_buffering();
4208
4209 #ifdef CONFIG_SPICE
4210 /* spice needs the timers to be initialized by this point */
4211 qemu_spice_init();
4212 #endif
4213
4214 cpu_ticks_init();
4215 if (icount_opts) {
4216 if (kvm_enabled() || xen_enabled()) {
4217 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4218 exit(1);
4219 }
4220 configure_icount(icount_opts, &error_abort);
4221 qemu_opts_del(icount_opts);
4222 }
4223
4224 /* clean up network at qemu process termination */
4225 atexit(&net_cleanup);
4226
4227 if (net_init_clients() < 0) {
4228 exit(1);
4229 }
4230
4231 #ifdef CONFIG_TPM
4232 if (tpm_init() < 0) {
4233 exit(1);
4234 }
4235 #endif
4236
4237 /* init the bluetooth world */
4238 if (foreach_device_config(DEV_BT, bt_parse))
4239 exit(1);
4240
4241 if (!xen_enabled()) {
4242 /* On 32-bit hosts, QEMU is limited by virtual address space */
4243 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4244 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4245 exit(1);
4246 }
4247 }
4248
4249 blk_mig_init();
4250 ram_mig_init();
4251
4252 /* If the currently selected machine wishes to override the units-per-bus
4253 * property of its default HBA interface type, do so now. */
4254 if (machine_class->units_per_default_bus) {
4255 override_max_devs(machine_class->block_default_type,
4256 machine_class->units_per_default_bus);
4257 }
4258
4259 /* open the virtual block devices */
4260 if (snapshot)
4261 qemu_opts_foreach(qemu_find_opts("drive"),
4262 drive_enable_snapshot, NULL, NULL);
4263 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4264 &machine_class->block_default_type, NULL)) {
4265 exit(1);
4266 }
4267
4268 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4269 CDROM_OPTS);
4270 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4271 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4272
4273 parse_numa_opts(machine_class);
4274
4275 if (qemu_opts_foreach(qemu_find_opts("mon"),
4276 mon_init_func, NULL, NULL)) {
4277 exit(1);
4278 }
4279
4280 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4281 exit(1);
4282 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4283 exit(1);
4284 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4285 exit(1);
4286 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4287 exit(1);
4288 }
4289 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4290 exit(1);
4291
4292 /* If no default VGA is requested, the default is "none". */
4293 if (default_vga) {
4294 if (machine_class->default_display) {
4295 vga_model = machine_class->default_display;
4296 } else if (cirrus_vga_available()) {
4297 vga_model = "cirrus";
4298 } else if (vga_available()) {
4299 vga_model = "std";
4300 }
4301 }
4302 if (vga_model) {
4303 select_vgahw(vga_model);
4304 }
4305
4306 if (watchdog) {
4307 i = select_watchdog(watchdog);
4308 if (i > 0)
4309 exit (i == 1 ? 1 : 0);
4310 }
4311
4312 if (machine_class->compat_props) {
4313 qdev_prop_register_global_list(machine_class->compat_props);
4314 }
4315 qemu_add_globals();
4316
4317 qdev_machine_init();
4318
4319 current_machine->ram_size = ram_size;
4320 current_machine->maxram_size = maxram_size;
4321 current_machine->ram_slots = ram_slots;
4322 current_machine->boot_order = boot_order;
4323 current_machine->cpu_model = cpu_model;
4324
4325 machine_class->init(current_machine);
4326
4327 realtime_init();
4328
4329 audio_init();
4330
4331 cpu_synchronize_all_post_init();
4332
4333 numa_post_machine_init();
4334
4335 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4336 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4337 exit(1);
4338 }
4339
4340 /* init USB devices */
4341 if (usb_enabled()) {
4342 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4343 exit(1);
4344 }
4345
4346 /* init generic devices */
4347 if (qemu_opts_foreach(qemu_find_opts("device"),
4348 device_init_func, NULL, NULL)) {
4349 exit(1);
4350 }
4351
4352 /* Did we create any drives that we failed to create a device for? */
4353 drive_check_orphaned();
4354
4355 net_check_clients();
4356
4357 if (boot_once) {
4358 Error *local_err = NULL;
4359 qemu_boot_set(boot_once, &local_err);
4360 if (local_err) {
4361 error_report("%s", error_get_pretty(local_err));
4362 exit(1);
4363 }
4364 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4365 }
4366
4367 ds = init_displaystate();
4368
4369 /* init local displays */
4370 switch (display_type) {
4371 case DT_NOGRAPHIC:
4372 (void)ds; /* avoid warning if no display is configured */
4373 break;
4374 #if defined(CONFIG_CURSES)
4375 case DT_CURSES:
4376 curses_display_init(ds, full_screen);
4377 break;
4378 #endif
4379 #if defined(CONFIG_SDL)
4380 case DT_SDL:
4381 sdl_display_init(ds, full_screen, no_frame);
4382 break;
4383 #elif defined(CONFIG_COCOA)
4384 case DT_SDL:
4385 cocoa_display_init(ds, full_screen);
4386 break;
4387 #endif
4388 #if defined(CONFIG_GTK)
4389 case DT_GTK:
4390 gtk_display_init(ds, full_screen, grab_on_hover);
4391 break;
4392 #endif
4393 default:
4394 break;
4395 }
4396
4397 /* must be after terminal init, SDL library changes signal handlers */
4398 os_setup_signal_handling();
4399
4400 #ifdef CONFIG_VNC
4401 /* init remote displays */
4402 qemu_opts_foreach(qemu_find_opts("vnc"),
4403 vnc_init_func, NULL, NULL);
4404 if (show_vnc_port) {
4405 char *ret = vnc_display_local_addr("default");
4406 printf("VNC server running on `%s'\n", ret);
4407 g_free(ret);
4408 }
4409 #endif
4410 #ifdef CONFIG_SPICE
4411 if (using_spice) {
4412 qemu_spice_display_init();
4413 }
4414 #endif
4415
4416 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4417 exit(1);
4418 }
4419
4420 qdev_machine_creation_done();
4421
4422 if (rom_load_all() != 0) {
4423 fprintf(stderr, "rom loading failed\n");
4424 exit(1);
4425 }
4426
4427 /* TODO: once all bus devices are qdevified, this should be done
4428 * when bus is created by qdev.c */
4429 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4430 qemu_run_machine_init_done_notifiers();
4431
4432 /* Done notifiers can load ROMs */
4433 rom_load_done();
4434
4435 qemu_system_reset(VMRESET_SILENT);
4436 if (loadvm) {
4437 if (load_vmstate(loadvm) < 0) {
4438 autostart = 0;
4439 }
4440 }
4441
4442 qdev_prop_check_globals();
4443 if (vmstate_dump_file) {
4444 /* dump and exit */
4445 dump_vmstate_json_to_file(vmstate_dump_file);
4446 return 0;
4447 }
4448
4449 if (incoming) {
4450 Error *local_err = NULL;
4451 qemu_start_incoming_migration(incoming, &local_err);
4452 if (local_err) {
4453 error_report("-incoming %s: %s", incoming,
4454 error_get_pretty(local_err));
4455 error_free(local_err);
4456 exit(1);
4457 }
4458 } else if (autostart) {
4459 vm_start();
4460 }
4461
4462 os_setup_post();
4463
4464 if (is_daemonized()) {
4465 if (!trace_init_backends(trace_events, trace_file)) {
4466 exit(1);
4467 }
4468 }
4469
4470 main_loop();
4471 bdrv_close_all();
4472 pause_all_vcpus();
4473 res_free();
4474 #ifdef CONFIG_TPM
4475 tpm_cleanup();
4476 #endif
4477
4478 return 0;
4479 }
QEmu