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hw/ppc: modified the condition for usb controllers to be created for some ppc machines
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 uint8_t qemu_uuid[16];
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 /*
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
315 */
316 { }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_msg_opts = {
405 .name = "msg",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .desc = {
408 {
409 .name = "timestamp",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_name_opts = {
417 .name = "name",
418 .implied_opt_name = "guest",
419 .merge_lists = true,
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .desc = {
422 {
423 .name = "guest",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
428 }, {
429 .name = "process",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
432 }, {
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
437 "stable API.",
438 },
439 { /* End of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_mem_opts = {
444 .name = "memory",
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .merge_lists = true,
448 .desc = {
449 {
450 .name = "size",
451 .type = QEMU_OPT_SIZE,
452 },
453 {
454 .name = "slots",
455 .type = QEMU_OPT_NUMBER,
456 },
457 {
458 .name = "maxmem",
459 .type = QEMU_OPT_SIZE,
460 },
461 { /* end of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_icount_opts = {
466 .name = "icount",
467 .implied_opt_name = "shift",
468 .merge_lists = true,
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .desc = {
471 {
472 .name = "shift",
473 .type = QEMU_OPT_STRING,
474 }, {
475 .name = "align",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 },
494 { /* end of list */ }
495 },
496 };
497
498 /**
499 * Get machine options
500 *
501 * Returns: machine options (never null).
502 */
503 QemuOpts *qemu_get_machine_opts(void)
504 {
505 return qemu_find_opts_singleton("machine");
506 }
507
508 const char *qemu_get_vm_name(void)
509 {
510 return qemu_name;
511 }
512
513 static void res_free(void)
514 {
515 if (boot_splash_filedata != NULL) {
516 g_free(boot_splash_filedata);
517 boot_splash_filedata = NULL;
518 }
519 }
520
521 static int default_driver_check(QemuOpts *opts, void *opaque)
522 {
523 const char *driver = qemu_opt_get(opts, "driver");
524 int i;
525
526 if (!driver)
527 return 0;
528 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
529 if (strcmp(default_list[i].driver, driver) != 0)
530 continue;
531 *(default_list[i].flag) = 0;
532 }
533 return 0;
534 }
535
536 /***********************************************************/
537 /* QEMU state */
538
539 static RunState current_run_state = RUN_STATE_PRELAUNCH;
540
541 /* We use RUN_STATE_MAX but any invalid value will do */
542 static RunState vmstop_requested = RUN_STATE_MAX;
543 static QemuMutex vmstop_lock;
544
545 typedef struct {
546 RunState from;
547 RunState to;
548 } RunStateTransition;
549
550 static const RunStateTransition runstate_transitions_def[] = {
551 /* from -> to */
552 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
553 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
557
558 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
559 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
562 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
565 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
568 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
569
570 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
571 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
573
574 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
575 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
576
577 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
578
579 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
580 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
582 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
583 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
585 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
586 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
587 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
588 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
589
590 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
591
592 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
593 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
596 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
597 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
598 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
601 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
604 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_MAX, RUN_STATE_MAX },
607 };
608
609 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
610
611 bool runstate_check(RunState state)
612 {
613 return current_run_state == state;
614 }
615
616 static void runstate_init(void)
617 {
618 const RunStateTransition *p;
619
620 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
621 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
622 runstate_valid_transitions[p->from][p->to] = true;
623 }
624
625 qemu_mutex_init(&vmstop_lock);
626 }
627
628 /* This function will abort() on invalid state transitions */
629 void runstate_set(RunState new_state)
630 {
631 assert(new_state < RUN_STATE_MAX);
632
633 if (!runstate_valid_transitions[current_run_state][new_state]) {
634 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
635 RunState_lookup[current_run_state],
636 RunState_lookup[new_state]);
637 abort();
638 }
639 trace_runstate_set(new_state);
640 current_run_state = new_state;
641 }
642
643 int runstate_is_running(void)
644 {
645 return runstate_check(RUN_STATE_RUNNING);
646 }
647
648 bool runstate_needs_reset(void)
649 {
650 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
651 runstate_check(RUN_STATE_SHUTDOWN);
652 }
653
654 StatusInfo *qmp_query_status(Error **errp)
655 {
656 StatusInfo *info = g_malloc0(sizeof(*info));
657
658 info->running = runstate_is_running();
659 info->singlestep = singlestep;
660 info->status = current_run_state;
661
662 return info;
663 }
664
665 static bool qemu_vmstop_requested(RunState *r)
666 {
667 qemu_mutex_lock(&vmstop_lock);
668 *r = vmstop_requested;
669 vmstop_requested = RUN_STATE_MAX;
670 qemu_mutex_unlock(&vmstop_lock);
671 return *r < RUN_STATE_MAX;
672 }
673
674 void qemu_system_vmstop_request_prepare(void)
675 {
676 qemu_mutex_lock(&vmstop_lock);
677 }
678
679 void qemu_system_vmstop_request(RunState state)
680 {
681 vmstop_requested = state;
682 qemu_mutex_unlock(&vmstop_lock);
683 qemu_notify_event();
684 }
685
686 void vm_start(void)
687 {
688 RunState requested;
689
690 qemu_vmstop_requested(&requested);
691 if (runstate_is_running() && requested == RUN_STATE_MAX) {
692 return;
693 }
694
695 /* Ensure that a STOP/RESUME pair of events is emitted if a
696 * vmstop request was pending. The BLOCK_IO_ERROR event, for
697 * example, according to documentation is always followed by
698 * the STOP event.
699 */
700 if (runstate_is_running()) {
701 qapi_event_send_stop(&error_abort);
702 } else {
703 cpu_enable_ticks();
704 runstate_set(RUN_STATE_RUNNING);
705 vm_state_notify(1, RUN_STATE_RUNNING);
706 resume_all_vcpus();
707 }
708
709 qapi_event_send_resume(&error_abort);
710 }
711
712
713 /***********************************************************/
714 /* real time host monotonic timer */
715
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
719 {
720 time_t ti;
721
722 time(&ti);
723 ti += offset;
724 if (rtc_date_offset == -1) {
725 if (rtc_utc)
726 gmtime_r(&ti, tm);
727 else
728 localtime_r(&ti, tm);
729 } else {
730 ti -= rtc_date_offset;
731 gmtime_r(&ti, tm);
732 }
733 }
734
735 int qemu_timedate_diff(struct tm *tm)
736 {
737 time_t seconds;
738
739 if (rtc_date_offset == -1)
740 if (rtc_utc)
741 seconds = mktimegm(tm);
742 else {
743 struct tm tmp = *tm;
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
746 }
747 else
748 seconds = mktimegm(tm) + rtc_date_offset;
749
750 return seconds - time(NULL);
751 }
752
753 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 {
755 time_t rtc_start_date;
756 struct tm tm;
757
758 if (!strcmp(startdate, "now") && legacy) {
759 rtc_date_offset = -1;
760 } else {
761 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
762 &tm.tm_year,
763 &tm.tm_mon,
764 &tm.tm_mday,
765 &tm.tm_hour,
766 &tm.tm_min,
767 &tm.tm_sec) == 6) {
768 /* OK */
769 } else if (sscanf(startdate, "%d-%d-%d",
770 &tm.tm_year,
771 &tm.tm_mon,
772 &tm.tm_mday) == 3) {
773 tm.tm_hour = 0;
774 tm.tm_min = 0;
775 tm.tm_sec = 0;
776 } else {
777 goto date_fail;
778 }
779 tm.tm_year -= 1900;
780 tm.tm_mon--;
781 rtc_start_date = mktimegm(&tm);
782 if (rtc_start_date == -1) {
783 date_fail:
784 fprintf(stderr, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
786 exit(1);
787 }
788 rtc_date_offset = time(NULL) - rtc_start_date;
789 }
790 }
791
792 static void configure_rtc(QemuOpts *opts)
793 {
794 const char *value;
795
796 value = qemu_opt_get(opts, "base");
797 if (value) {
798 if (!strcmp(value, "utc")) {
799 rtc_utc = 1;
800 } else if (!strcmp(value, "localtime")) {
801 rtc_utc = 0;
802 } else {
803 configure_rtc_date_offset(value, 0);
804 }
805 }
806 value = qemu_opt_get(opts, "clock");
807 if (value) {
808 if (!strcmp(value, "host")) {
809 rtc_clock = QEMU_CLOCK_HOST;
810 } else if (!strcmp(value, "rt")) {
811 rtc_clock = QEMU_CLOCK_REALTIME;
812 } else if (!strcmp(value, "vm")) {
813 rtc_clock = QEMU_CLOCK_VIRTUAL;
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
817 }
818 }
819 value = qemu_opt_get(opts, "driftfix");
820 if (value) {
821 if (!strcmp(value, "slew")) {
822 static GlobalProperty slew_lost_ticks[] = {
823 {
824 .driver = "mc146818rtc",
825 .property = "lost_tick_policy",
826 .value = "slew",
827 },
828 { /* end of list */ }
829 };
830
831 qdev_prop_register_global_list(slew_lost_ticks);
832 } else if (!strcmp(value, "none")) {
833 /* discard is default */
834 } else {
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
836 exit(1);
837 }
838 }
839 }
840
841 /***********************************************************/
842 /* Bluetooth support */
843 static int nb_hcis;
844 static int cur_hci;
845 static struct HCIInfo *hci_table[MAX_NICS];
846
847 struct HCIInfo *qemu_next_hci(void)
848 {
849 if (cur_hci == nb_hcis)
850 return &null_hci;
851
852 return hci_table[cur_hci++];
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 static int parse_name(QemuOpts *opts, void *opaque)
984 {
985 const char *proc_name;
986
987 if (qemu_opt_get(opts, "debug-threads")) {
988 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
989 }
990 qemu_name = qemu_opt_get(opts, "guest");
991
992 proc_name = qemu_opt_get(opts, "process");
993 if (proc_name) {
994 os_set_proc_name(proc_name);
995 }
996
997 return 0;
998 }
999
1000 bool defaults_enabled(void)
1001 {
1002 return has_defaults;
1003 }
1004
1005 bool usb_enabled(bool default_usb)
1006 {
1007 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1008 default_usb);
1009 }
1010
1011 #ifndef _WIN32
1012 static int parse_add_fd(QemuOpts *opts, void *opaque)
1013 {
1014 int fd, dupfd, flags;
1015 int64_t fdset_id;
1016 const char *fd_opaque = NULL;
1017
1018 fd = qemu_opt_get_number(opts, "fd", -1);
1019 fdset_id = qemu_opt_get_number(opts, "set", -1);
1020 fd_opaque = qemu_opt_get(opts, "opaque");
1021
1022 if (fd < 0) {
1023 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1024 "fd option is required and must be non-negative");
1025 return -1;
1026 }
1027
1028 if (fd <= STDERR_FILENO) {
1029 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1030 "fd cannot be a standard I/O stream");
1031 return -1;
1032 }
1033
1034 /*
1035 * All fds inherited across exec() necessarily have FD_CLOEXEC
1036 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1037 */
1038 flags = fcntl(fd, F_GETFD);
1039 if (flags == -1 || (flags & FD_CLOEXEC)) {
1040 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1041 "fd is not valid or already in use");
1042 return -1;
1043 }
1044
1045 if (fdset_id < 0) {
1046 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1047 "set option is required and must be non-negative");
1048 return -1;
1049 }
1050
1051 #ifdef F_DUPFD_CLOEXEC
1052 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1053 #else
1054 dupfd = dup(fd);
1055 if (dupfd != -1) {
1056 qemu_set_cloexec(dupfd);
1057 }
1058 #endif
1059 if (dupfd == -1) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "Error duplicating fd: %s", strerror(errno));
1062 return -1;
1063 }
1064
1065 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1066 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1067 fd_opaque, NULL);
1068
1069 return 0;
1070 }
1071
1072 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1073 {
1074 int fd;
1075
1076 fd = qemu_opt_get_number(opts, "fd", -1);
1077 close(fd);
1078
1079 return 0;
1080 }
1081 #endif
1082
1083 /***********************************************************/
1084 /* QEMU Block devices */
1085
1086 #define HD_OPTS "media=disk"
1087 #define CDROM_OPTS "media=cdrom"
1088 #define FD_OPTS ""
1089 #define PFLASH_OPTS ""
1090 #define MTD_OPTS ""
1091 #define SD_OPTS ""
1092
1093 static int drive_init_func(QemuOpts *opts, void *opaque)
1094 {
1095 BlockInterfaceType *block_default_type = opaque;
1096
1097 return drive_new(opts, *block_default_type) == NULL;
1098 }
1099
1100 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1101 {
1102 if (qemu_opt_get(opts, "snapshot") == NULL) {
1103 qemu_opt_set(opts, "snapshot", "on");
1104 }
1105 return 0;
1106 }
1107
1108 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1109 int index, const char *optstr)
1110 {
1111 QemuOpts *opts;
1112 DriveInfo *dinfo;
1113
1114 if (!enable || drive_get_by_index(type, index)) {
1115 return;
1116 }
1117
1118 opts = drive_add(type, index, NULL, optstr);
1119 if (snapshot) {
1120 drive_enable_snapshot(opts, NULL);
1121 }
1122
1123 dinfo = drive_new(opts, type);
1124 if (!dinfo) {
1125 exit(1);
1126 }
1127 dinfo->is_default = true;
1128
1129 }
1130
1131 static QemuOptsList qemu_smp_opts = {
1132 .name = "smp-opts",
1133 .implied_opt_name = "cpus",
1134 .merge_lists = true,
1135 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1136 .desc = {
1137 {
1138 .name = "cpus",
1139 .type = QEMU_OPT_NUMBER,
1140 }, {
1141 .name = "sockets",
1142 .type = QEMU_OPT_NUMBER,
1143 }, {
1144 .name = "cores",
1145 .type = QEMU_OPT_NUMBER,
1146 }, {
1147 .name = "threads",
1148 .type = QEMU_OPT_NUMBER,
1149 }, {
1150 .name = "maxcpus",
1151 .type = QEMU_OPT_NUMBER,
1152 },
1153 { /*End of list */ }
1154 },
1155 };
1156
1157 static void smp_parse(QemuOpts *opts)
1158 {
1159 if (opts) {
1160
1161 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1162 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1163 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1164 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1165
1166 /* compute missing values, prefer sockets over cores over threads */
1167 if (cpus == 0 || sockets == 0) {
1168 sockets = sockets > 0 ? sockets : 1;
1169 cores = cores > 0 ? cores : 1;
1170 threads = threads > 0 ? threads : 1;
1171 if (cpus == 0) {
1172 cpus = cores * threads * sockets;
1173 }
1174 } else {
1175 if (cores == 0) {
1176 threads = threads > 0 ? threads : 1;
1177 cores = cpus / (sockets * threads);
1178 } else {
1179 threads = cpus / (cores * sockets);
1180 }
1181 }
1182
1183 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1184
1185 smp_cpus = cpus;
1186 smp_cores = cores > 0 ? cores : 1;
1187 smp_threads = threads > 0 ? threads : 1;
1188
1189 }
1190
1191 if (max_cpus == 0) {
1192 max_cpus = smp_cpus;
1193 }
1194
1195 if (max_cpus > MAX_CPUMASK_BITS) {
1196 fprintf(stderr, "Unsupported number of maxcpus\n");
1197 exit(1);
1198 }
1199 if (max_cpus < smp_cpus) {
1200 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1201 exit(1);
1202 }
1203
1204 }
1205
1206 static void realtime_init(void)
1207 {
1208 if (enable_mlock) {
1209 if (os_mlock() < 0) {
1210 fprintf(stderr, "qemu: locking memory failed\n");
1211 exit(1);
1212 }
1213 }
1214 }
1215
1216
1217 static void configure_msg(QemuOpts *opts)
1218 {
1219 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1220 }
1221
1222 /***********************************************************/
1223 /* USB devices */
1224
1225 static int usb_device_add(const char *devname)
1226 {
1227 USBDevice *dev = NULL;
1228 #ifndef CONFIG_LINUX
1229 const char *p;
1230 #endif
1231
1232 if (!usb_enabled(false)) {
1233 return -1;
1234 }
1235
1236 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1237 dev = usbdevice_create(devname);
1238 if (dev)
1239 goto done;
1240
1241 /* the other ones */
1242 #ifndef CONFIG_LINUX
1243 /* only the linux version is qdev-ified, usb-bsd still needs this */
1244 if (strstart(devname, "host:", &p)) {
1245 dev = usb_host_device_open(usb_bus_find(-1), p);
1246 }
1247 #endif
1248 if (!dev)
1249 return -1;
1250
1251 done:
1252 return 0;
1253 }
1254
1255 static int usb_device_del(const char *devname)
1256 {
1257 int bus_num, addr;
1258 const char *p;
1259
1260 if (strstart(devname, "host:", &p)) {
1261 return -1;
1262 }
1263
1264 if (!usb_enabled(false)) {
1265 return -1;
1266 }
1267
1268 p = strchr(devname, '.');
1269 if (!p)
1270 return -1;
1271 bus_num = strtoul(devname, NULL, 0);
1272 addr = strtoul(p + 1, NULL, 0);
1273
1274 return usb_device_delete_addr(bus_num, addr);
1275 }
1276
1277 static int usb_parse(const char *cmdline)
1278 {
1279 int r;
1280 r = usb_device_add(cmdline);
1281 if (r < 0) {
1282 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1283 }
1284 return r;
1285 }
1286
1287 void do_usb_add(Monitor *mon, const QDict *qdict)
1288 {
1289 const char *devname = qdict_get_str(qdict, "devname");
1290 if (usb_device_add(devname) < 0) {
1291 error_report("could not add USB device '%s'", devname);
1292 }
1293 }
1294
1295 void do_usb_del(Monitor *mon, const QDict *qdict)
1296 {
1297 const char *devname = qdict_get_str(qdict, "devname");
1298 if (usb_device_del(devname) < 0) {
1299 error_report("could not delete USB device '%s'", devname);
1300 }
1301 }
1302
1303 /***********************************************************/
1304 /* machine registration */
1305
1306 MachineState *current_machine;
1307
1308 static void machine_class_init(ObjectClass *oc, void *data)
1309 {
1310 MachineClass *mc = MACHINE_CLASS(oc);
1311 QEMUMachine *qm = data;
1312
1313 mc->family = qm->family;
1314 mc->name = qm->name;
1315 mc->alias = qm->alias;
1316 mc->desc = qm->desc;
1317 mc->init = qm->init;
1318 mc->reset = qm->reset;
1319 mc->hot_add_cpu = qm->hot_add_cpu;
1320 mc->kvm_type = qm->kvm_type;
1321 mc->block_default_type = qm->block_default_type;
1322 mc->units_per_default_bus = qm->units_per_default_bus;
1323 mc->max_cpus = qm->max_cpus;
1324 mc->no_serial = qm->no_serial;
1325 mc->no_parallel = qm->no_parallel;
1326 mc->use_virtcon = qm->use_virtcon;
1327 mc->use_sclp = qm->use_sclp;
1328 mc->no_floppy = qm->no_floppy;
1329 mc->no_cdrom = qm->no_cdrom;
1330 mc->no_sdcard = qm->no_sdcard;
1331 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1332 mc->is_default = qm->is_default;
1333 mc->default_machine_opts = qm->default_machine_opts;
1334 mc->default_boot_order = qm->default_boot_order;
1335 mc->default_display = qm->default_display;
1336 mc->compat_props = qm->compat_props;
1337 mc->hw_version = qm->hw_version;
1338 }
1339
1340 int qemu_register_machine(QEMUMachine *m)
1341 {
1342 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1343 TypeInfo ti = {
1344 .name = name,
1345 .parent = TYPE_MACHINE,
1346 .class_init = machine_class_init,
1347 .class_data = (void *)m,
1348 };
1349
1350 type_register(&ti);
1351 g_free(name);
1352
1353 return 0;
1354 }
1355
1356 static MachineClass *find_machine(const char *name)
1357 {
1358 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1359 MachineClass *mc = NULL;
1360
1361 for (el = machines; el; el = el->next) {
1362 MachineClass *temp = el->data;
1363
1364 if (!strcmp(temp->name, name)) {
1365 mc = temp;
1366 break;
1367 }
1368 if (temp->alias &&
1369 !strcmp(temp->alias, name)) {
1370 mc = temp;
1371 break;
1372 }
1373 }
1374
1375 g_slist_free(machines);
1376 return mc;
1377 }
1378
1379 MachineClass *find_default_machine(void)
1380 {
1381 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1382 MachineClass *mc = NULL;
1383
1384 for (el = machines; el; el = el->next) {
1385 MachineClass *temp = el->data;
1386
1387 if (temp->is_default) {
1388 mc = temp;
1389 break;
1390 }
1391 }
1392
1393 g_slist_free(machines);
1394 return mc;
1395 }
1396
1397 MachineInfoList *qmp_query_machines(Error **errp)
1398 {
1399 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1400 MachineInfoList *mach_list = NULL;
1401
1402 for (el = machines; el; el = el->next) {
1403 MachineClass *mc = el->data;
1404 MachineInfoList *entry;
1405 MachineInfo *info;
1406
1407 info = g_malloc0(sizeof(*info));
1408 if (mc->is_default) {
1409 info->has_is_default = true;
1410 info->is_default = true;
1411 }
1412
1413 if (mc->alias) {
1414 info->has_alias = true;
1415 info->alias = g_strdup(mc->alias);
1416 }
1417
1418 info->name = g_strdup(mc->name);
1419 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1420
1421 entry = g_malloc0(sizeof(*entry));
1422 entry->value = info;
1423 entry->next = mach_list;
1424 mach_list = entry;
1425 }
1426
1427 g_slist_free(machines);
1428 return mach_list;
1429 }
1430
1431 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1432 {
1433 ObjectProperty *prop;
1434
1435 if (!qemu_opt_has_help_opt(opts)) {
1436 return 0;
1437 }
1438
1439 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1440 if (!prop->set) {
1441 continue;
1442 }
1443
1444 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1445 prop->name, prop->type);
1446 if (prop->description) {
1447 error_printf(" (%s)\n", prop->description);
1448 } else {
1449 error_printf("\n");
1450 }
1451 }
1452
1453 return 1;
1454 }
1455
1456 /***********************************************************/
1457 /* main execution loop */
1458
1459 struct vm_change_state_entry {
1460 VMChangeStateHandler *cb;
1461 void *opaque;
1462 QLIST_ENTRY (vm_change_state_entry) entries;
1463 };
1464
1465 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1466
1467 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1468 void *opaque)
1469 {
1470 VMChangeStateEntry *e;
1471
1472 e = g_malloc0(sizeof (*e));
1473
1474 e->cb = cb;
1475 e->opaque = opaque;
1476 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1477 return e;
1478 }
1479
1480 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1481 {
1482 QLIST_REMOVE (e, entries);
1483 g_free (e);
1484 }
1485
1486 void vm_state_notify(int running, RunState state)
1487 {
1488 VMChangeStateEntry *e, *next;
1489
1490 trace_vm_state_notify(running, state);
1491
1492 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1493 e->cb(e->opaque, running, state);
1494 }
1495 }
1496
1497 /* reset/shutdown handler */
1498
1499 typedef struct QEMUResetEntry {
1500 QTAILQ_ENTRY(QEMUResetEntry) entry;
1501 QEMUResetHandler *func;
1502 void *opaque;
1503 } QEMUResetEntry;
1504
1505 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1506 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1507 static int reset_requested;
1508 static int shutdown_requested, shutdown_signal = -1;
1509 static pid_t shutdown_pid;
1510 static int powerdown_requested;
1511 static int debug_requested;
1512 static int suspend_requested;
1513 static WakeupReason wakeup_reason;
1514 static NotifierList powerdown_notifiers =
1515 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1516 static NotifierList suspend_notifiers =
1517 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1518 static NotifierList wakeup_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1520 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1521
1522 int qemu_shutdown_requested_get(void)
1523 {
1524 return shutdown_requested;
1525 }
1526
1527 int qemu_reset_requested_get(void)
1528 {
1529 return reset_requested;
1530 }
1531
1532 static int qemu_shutdown_requested(void)
1533 {
1534 return atomic_xchg(&shutdown_requested, 0);
1535 }
1536
1537 static void qemu_kill_report(void)
1538 {
1539 if (!qtest_driver() && shutdown_signal != -1) {
1540 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1541 if (shutdown_pid == 0) {
1542 /* This happens for eg ^C at the terminal, so it's worth
1543 * avoiding printing an odd message in that case.
1544 */
1545 fputc('\n', stderr);
1546 } else {
1547 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1548 }
1549 shutdown_signal = -1;
1550 }
1551 }
1552
1553 static int qemu_reset_requested(void)
1554 {
1555 int r = reset_requested;
1556 reset_requested = 0;
1557 return r;
1558 }
1559
1560 static int qemu_suspend_requested(void)
1561 {
1562 int r = suspend_requested;
1563 suspend_requested = 0;
1564 return r;
1565 }
1566
1567 static WakeupReason qemu_wakeup_requested(void)
1568 {
1569 return wakeup_reason;
1570 }
1571
1572 static int qemu_powerdown_requested(void)
1573 {
1574 int r = powerdown_requested;
1575 powerdown_requested = 0;
1576 return r;
1577 }
1578
1579 static int qemu_debug_requested(void)
1580 {
1581 int r = debug_requested;
1582 debug_requested = 0;
1583 return r;
1584 }
1585
1586 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1587 {
1588 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1589
1590 re->func = func;
1591 re->opaque = opaque;
1592 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1593 }
1594
1595 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1596 {
1597 QEMUResetEntry *re;
1598
1599 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1600 if (re->func == func && re->opaque == opaque) {
1601 QTAILQ_REMOVE(&reset_handlers, re, entry);
1602 g_free(re);
1603 return;
1604 }
1605 }
1606 }
1607
1608 void qemu_devices_reset(void)
1609 {
1610 QEMUResetEntry *re, *nre;
1611
1612 /* reset all devices */
1613 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1614 re->func(re->opaque);
1615 }
1616 }
1617
1618 void qemu_system_reset(bool report)
1619 {
1620 MachineClass *mc;
1621
1622 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1623
1624 if (mc && mc->reset) {
1625 mc->reset();
1626 } else {
1627 qemu_devices_reset();
1628 }
1629 if (report) {
1630 qapi_event_send_reset(&error_abort);
1631 }
1632 cpu_synchronize_all_post_reset();
1633 }
1634
1635 void qemu_system_reset_request(void)
1636 {
1637 if (no_reboot) {
1638 shutdown_requested = 1;
1639 } else {
1640 reset_requested = 1;
1641 }
1642 cpu_stop_current();
1643 qemu_notify_event();
1644 }
1645
1646 static void qemu_system_suspend(void)
1647 {
1648 pause_all_vcpus();
1649 notifier_list_notify(&suspend_notifiers, NULL);
1650 runstate_set(RUN_STATE_SUSPENDED);
1651 qapi_event_send_suspend(&error_abort);
1652 }
1653
1654 void qemu_system_suspend_request(void)
1655 {
1656 if (runstate_check(RUN_STATE_SUSPENDED)) {
1657 return;
1658 }
1659 suspend_requested = 1;
1660 cpu_stop_current();
1661 qemu_notify_event();
1662 }
1663
1664 void qemu_register_suspend_notifier(Notifier *notifier)
1665 {
1666 notifier_list_add(&suspend_notifiers, notifier);
1667 }
1668
1669 void qemu_system_wakeup_request(WakeupReason reason)
1670 {
1671 trace_system_wakeup_request(reason);
1672
1673 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1674 return;
1675 }
1676 if (!(wakeup_reason_mask & (1 << reason))) {
1677 return;
1678 }
1679 runstate_set(RUN_STATE_RUNNING);
1680 wakeup_reason = reason;
1681 qemu_notify_event();
1682 }
1683
1684 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1685 {
1686 if (enabled) {
1687 wakeup_reason_mask |= (1 << reason);
1688 } else {
1689 wakeup_reason_mask &= ~(1 << reason);
1690 }
1691 }
1692
1693 void qemu_register_wakeup_notifier(Notifier *notifier)
1694 {
1695 notifier_list_add(&wakeup_notifiers, notifier);
1696 }
1697
1698 void qemu_system_killed(int signal, pid_t pid)
1699 {
1700 shutdown_signal = signal;
1701 shutdown_pid = pid;
1702 no_shutdown = 0;
1703 qemu_system_shutdown_request();
1704 }
1705
1706 void qemu_system_shutdown_request(void)
1707 {
1708 trace_qemu_system_shutdown_request();
1709 shutdown_requested = 1;
1710 qemu_notify_event();
1711 }
1712
1713 static void qemu_system_powerdown(void)
1714 {
1715 qapi_event_send_powerdown(&error_abort);
1716 notifier_list_notify(&powerdown_notifiers, NULL);
1717 }
1718
1719 void qemu_system_powerdown_request(void)
1720 {
1721 trace_qemu_system_powerdown_request();
1722 powerdown_requested = 1;
1723 qemu_notify_event();
1724 }
1725
1726 void qemu_register_powerdown_notifier(Notifier *notifier)
1727 {
1728 notifier_list_add(&powerdown_notifiers, notifier);
1729 }
1730
1731 void qemu_system_debug_request(void)
1732 {
1733 debug_requested = 1;
1734 qemu_notify_event();
1735 }
1736
1737 static bool main_loop_should_exit(void)
1738 {
1739 RunState r;
1740 if (qemu_debug_requested()) {
1741 vm_stop(RUN_STATE_DEBUG);
1742 }
1743 if (qemu_suspend_requested()) {
1744 qemu_system_suspend();
1745 }
1746 if (qemu_shutdown_requested()) {
1747 qemu_kill_report();
1748 qapi_event_send_shutdown(&error_abort);
1749 if (no_shutdown) {
1750 vm_stop(RUN_STATE_SHUTDOWN);
1751 } else {
1752 return true;
1753 }
1754 }
1755 if (qemu_reset_requested()) {
1756 pause_all_vcpus();
1757 cpu_synchronize_all_states();
1758 qemu_system_reset(VMRESET_REPORT);
1759 resume_all_vcpus();
1760 if (runstate_needs_reset()) {
1761 runstate_set(RUN_STATE_PAUSED);
1762 }
1763 }
1764 if (qemu_wakeup_requested()) {
1765 pause_all_vcpus();
1766 cpu_synchronize_all_states();
1767 qemu_system_reset(VMRESET_SILENT);
1768 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1769 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1770 resume_all_vcpus();
1771 qapi_event_send_wakeup(&error_abort);
1772 }
1773 if (qemu_powerdown_requested()) {
1774 qemu_system_powerdown();
1775 }
1776 if (qemu_vmstop_requested(&r)) {
1777 vm_stop(r);
1778 }
1779 return false;
1780 }
1781
1782 static void main_loop(void)
1783 {
1784 bool nonblocking;
1785 int last_io = 0;
1786 #ifdef CONFIG_PROFILER
1787 int64_t ti;
1788 #endif
1789 do {
1790 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1791 #ifdef CONFIG_PROFILER
1792 ti = profile_getclock();
1793 #endif
1794 last_io = main_loop_wait(nonblocking);
1795 #ifdef CONFIG_PROFILER
1796 dev_time += profile_getclock() - ti;
1797 #endif
1798 } while (!main_loop_should_exit());
1799 }
1800
1801 static void version(void)
1802 {
1803 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1804 }
1805
1806 static void help(int exitcode)
1807 {
1808 version();
1809 printf("usage: %s [options] [disk_image]\n\n"
1810 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1811 error_get_progname());
1812
1813 #define QEMU_OPTIONS_GENERATE_HELP
1814 #include "qemu-options-wrapper.h"
1815
1816 printf("\nDuring emulation, the following keys are useful:\n"
1817 "ctrl-alt-f toggle full screen\n"
1818 "ctrl-alt-n switch to virtual console 'n'\n"
1819 "ctrl-alt toggle mouse and keyboard grab\n"
1820 "\n"
1821 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1822
1823 exit(exitcode);
1824 }
1825
1826 #define HAS_ARG 0x0001
1827
1828 typedef struct QEMUOption {
1829 const char *name;
1830 int flags;
1831 int index;
1832 uint32_t arch_mask;
1833 } QEMUOption;
1834
1835 static const QEMUOption qemu_options[] = {
1836 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1837 #define QEMU_OPTIONS_GENERATE_OPTIONS
1838 #include "qemu-options-wrapper.h"
1839 { NULL },
1840 };
1841
1842 static bool vga_available(void)
1843 {
1844 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1845 }
1846
1847 static bool cirrus_vga_available(void)
1848 {
1849 return object_class_by_name("cirrus-vga")
1850 || object_class_by_name("isa-cirrus-vga");
1851 }
1852
1853 static bool vmware_vga_available(void)
1854 {
1855 return object_class_by_name("vmware-svga");
1856 }
1857
1858 static bool qxl_vga_available(void)
1859 {
1860 return object_class_by_name("qxl-vga");
1861 }
1862
1863 static bool tcx_vga_available(void)
1864 {
1865 return object_class_by_name("SUNW,tcx");
1866 }
1867
1868 static bool cg3_vga_available(void)
1869 {
1870 return object_class_by_name("cgthree");
1871 }
1872
1873 static void select_vgahw (const char *p)
1874 {
1875 const char *opts;
1876
1877 assert(vga_interface_type == VGA_NONE);
1878 if (strstart(p, "std", &opts)) {
1879 if (vga_available()) {
1880 vga_interface_type = VGA_STD;
1881 } else {
1882 fprintf(stderr, "Error: standard VGA not available\n");
1883 exit(0);
1884 }
1885 } else if (strstart(p, "cirrus", &opts)) {
1886 if (cirrus_vga_available()) {
1887 vga_interface_type = VGA_CIRRUS;
1888 } else {
1889 fprintf(stderr, "Error: Cirrus VGA not available\n");
1890 exit(0);
1891 }
1892 } else if (strstart(p, "vmware", &opts)) {
1893 if (vmware_vga_available()) {
1894 vga_interface_type = VGA_VMWARE;
1895 } else {
1896 fprintf(stderr, "Error: VMWare SVGA not available\n");
1897 exit(0);
1898 }
1899 } else if (strstart(p, "xenfb", &opts)) {
1900 vga_interface_type = VGA_XENFB;
1901 } else if (strstart(p, "qxl", &opts)) {
1902 if (qxl_vga_available()) {
1903 vga_interface_type = VGA_QXL;
1904 } else {
1905 fprintf(stderr, "Error: QXL VGA not available\n");
1906 exit(0);
1907 }
1908 } else if (strstart(p, "tcx", &opts)) {
1909 if (tcx_vga_available()) {
1910 vga_interface_type = VGA_TCX;
1911 } else {
1912 fprintf(stderr, "Error: TCX framebuffer not available\n");
1913 exit(0);
1914 }
1915 } else if (strstart(p, "cg3", &opts)) {
1916 if (cg3_vga_available()) {
1917 vga_interface_type = VGA_CG3;
1918 } else {
1919 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1920 exit(0);
1921 }
1922 } else if (!strstart(p, "none", &opts)) {
1923 invalid_vga:
1924 fprintf(stderr, "Unknown vga type: %s\n", p);
1925 exit(1);
1926 }
1927 while (*opts) {
1928 const char *nextopt;
1929
1930 if (strstart(opts, ",retrace=", &nextopt)) {
1931 opts = nextopt;
1932 if (strstart(opts, "dumb", &nextopt))
1933 vga_retrace_method = VGA_RETRACE_DUMB;
1934 else if (strstart(opts, "precise", &nextopt))
1935 vga_retrace_method = VGA_RETRACE_PRECISE;
1936 else goto invalid_vga;
1937 } else goto invalid_vga;
1938 opts = nextopt;
1939 }
1940 }
1941
1942 static DisplayType select_display(const char *p)
1943 {
1944 const char *opts;
1945 DisplayType display = DT_DEFAULT;
1946
1947 if (strstart(p, "sdl", &opts)) {
1948 #ifdef CONFIG_SDL
1949 display = DT_SDL;
1950 while (*opts) {
1951 const char *nextopt;
1952
1953 if (strstart(opts, ",frame=", &nextopt)) {
1954 opts = nextopt;
1955 if (strstart(opts, "on", &nextopt)) {
1956 no_frame = 0;
1957 } else if (strstart(opts, "off", &nextopt)) {
1958 no_frame = 1;
1959 } else {
1960 goto invalid_sdl_args;
1961 }
1962 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1963 opts = nextopt;
1964 if (strstart(opts, "on", &nextopt)) {
1965 alt_grab = 1;
1966 } else if (strstart(opts, "off", &nextopt)) {
1967 alt_grab = 0;
1968 } else {
1969 goto invalid_sdl_args;
1970 }
1971 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1972 opts = nextopt;
1973 if (strstart(opts, "on", &nextopt)) {
1974 ctrl_grab = 1;
1975 } else if (strstart(opts, "off", &nextopt)) {
1976 ctrl_grab = 0;
1977 } else {
1978 goto invalid_sdl_args;
1979 }
1980 } else if (strstart(opts, ",window_close=", &nextopt)) {
1981 opts = nextopt;
1982 if (strstart(opts, "on", &nextopt)) {
1983 no_quit = 0;
1984 } else if (strstart(opts, "off", &nextopt)) {
1985 no_quit = 1;
1986 } else {
1987 goto invalid_sdl_args;
1988 }
1989 } else {
1990 invalid_sdl_args:
1991 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1992 exit(1);
1993 }
1994 opts = nextopt;
1995 }
1996 #else
1997 fprintf(stderr, "SDL support is disabled\n");
1998 exit(1);
1999 #endif
2000 } else if (strstart(p, "vnc", &opts)) {
2001 #ifdef CONFIG_VNC
2002 display_remote++;
2003
2004 if (*opts) {
2005 const char *nextopt;
2006
2007 if (strstart(opts, "=", &nextopt)) {
2008 vnc_display = nextopt;
2009 }
2010 }
2011 if (!vnc_display) {
2012 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2013 exit(1);
2014 }
2015 #else
2016 fprintf(stderr, "VNC support is disabled\n");
2017 exit(1);
2018 #endif
2019 } else if (strstart(p, "curses", &opts)) {
2020 #ifdef CONFIG_CURSES
2021 display = DT_CURSES;
2022 #else
2023 fprintf(stderr, "Curses support is disabled\n");
2024 exit(1);
2025 #endif
2026 } else if (strstart(p, "gtk", &opts)) {
2027 #ifdef CONFIG_GTK
2028 display = DT_GTK;
2029 while (*opts) {
2030 const char *nextopt;
2031
2032 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2033 opts = nextopt;
2034 if (strstart(opts, "on", &nextopt)) {
2035 grab_on_hover = true;
2036 } else if (strstart(opts, "off", &nextopt)) {
2037 grab_on_hover = false;
2038 } else {
2039 goto invalid_gtk_args;
2040 }
2041 } else {
2042 invalid_gtk_args:
2043 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2044 exit(1);
2045 }
2046 opts = nextopt;
2047 }
2048 #else
2049 fprintf(stderr, "GTK support is disabled\n");
2050 exit(1);
2051 #endif
2052 } else if (strstart(p, "none", &opts)) {
2053 display = DT_NONE;
2054 } else {
2055 fprintf(stderr, "Unknown display type: %s\n", p);
2056 exit(1);
2057 }
2058
2059 return display;
2060 }
2061
2062 static int balloon_parse(const char *arg)
2063 {
2064 QemuOpts *opts;
2065
2066 if (strcmp(arg, "none") == 0) {
2067 return 0;
2068 }
2069
2070 if (!strncmp(arg, "virtio", 6)) {
2071 if (arg[6] == ',') {
2072 /* have params -> parse them */
2073 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2074 if (!opts)
2075 return -1;
2076 } else {
2077 /* create empty opts */
2078 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2079 &error_abort);
2080 }
2081 qemu_opt_set(opts, "driver", "virtio-balloon");
2082 return 0;
2083 }
2084
2085 return -1;
2086 }
2087
2088 char *qemu_find_file(int type, const char *name)
2089 {
2090 int i;
2091 const char *subdir;
2092 char *buf;
2093
2094 /* Try the name as a straight path first */
2095 if (access(name, R_OK) == 0) {
2096 trace_load_file(name, name);
2097 return g_strdup(name);
2098 }
2099
2100 switch (type) {
2101 case QEMU_FILE_TYPE_BIOS:
2102 subdir = "";
2103 break;
2104 case QEMU_FILE_TYPE_KEYMAP:
2105 subdir = "keymaps/";
2106 break;
2107 default:
2108 abort();
2109 }
2110
2111 for (i = 0; i < data_dir_idx; i++) {
2112 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2113 if (access(buf, R_OK) == 0) {
2114 trace_load_file(name, buf);
2115 return buf;
2116 }
2117 g_free(buf);
2118 }
2119 return NULL;
2120 }
2121
2122 static int device_help_func(QemuOpts *opts, void *opaque)
2123 {
2124 return qdev_device_help(opts);
2125 }
2126
2127 static int device_init_func(QemuOpts *opts, void *opaque)
2128 {
2129 DeviceState *dev;
2130
2131 dev = qdev_device_add(opts);
2132 if (!dev)
2133 return -1;
2134 object_unref(OBJECT(dev));
2135 return 0;
2136 }
2137
2138 static int chardev_init_func(QemuOpts *opts, void *opaque)
2139 {
2140 Error *local_err = NULL;
2141
2142 qemu_chr_new_from_opts(opts, NULL, &local_err);
2143 if (local_err) {
2144 error_report("%s", error_get_pretty(local_err));
2145 error_free(local_err);
2146 return -1;
2147 }
2148 return 0;
2149 }
2150
2151 #ifdef CONFIG_VIRTFS
2152 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2153 {
2154 int ret;
2155 ret = qemu_fsdev_add(opts);
2156
2157 return ret;
2158 }
2159 #endif
2160
2161 static int mon_init_func(QemuOpts *opts, void *opaque)
2162 {
2163 CharDriverState *chr;
2164 const char *chardev;
2165 const char *mode;
2166 int flags;
2167
2168 mode = qemu_opt_get(opts, "mode");
2169 if (mode == NULL) {
2170 mode = "readline";
2171 }
2172 if (strcmp(mode, "readline") == 0) {
2173 flags = MONITOR_USE_READLINE;
2174 } else if (strcmp(mode, "control") == 0) {
2175 flags = MONITOR_USE_CONTROL;
2176 } else {
2177 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2178 exit(1);
2179 }
2180
2181 if (qemu_opt_get_bool(opts, "pretty", 0))
2182 flags |= MONITOR_USE_PRETTY;
2183
2184 if (qemu_opt_get_bool(opts, "default", 0))
2185 flags |= MONITOR_IS_DEFAULT;
2186
2187 chardev = qemu_opt_get(opts, "chardev");
2188 chr = qemu_chr_find(chardev);
2189 if (chr == NULL) {
2190 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2191 exit(1);
2192 }
2193
2194 qemu_chr_fe_claim_no_fail(chr);
2195 monitor_init(chr, flags);
2196 return 0;
2197 }
2198
2199 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2200 {
2201 static int monitor_device_index = 0;
2202 QemuOpts *opts;
2203 const char *p;
2204 char label[32];
2205 int def = 0;
2206
2207 if (strstart(optarg, "chardev:", &p)) {
2208 snprintf(label, sizeof(label), "%s", p);
2209 } else {
2210 snprintf(label, sizeof(label), "compat_monitor%d",
2211 monitor_device_index);
2212 if (monitor_device_index == 0) {
2213 def = 1;
2214 }
2215 opts = qemu_chr_parse_compat(label, optarg);
2216 if (!opts) {
2217 fprintf(stderr, "parse error: %s\n", optarg);
2218 exit(1);
2219 }
2220 }
2221
2222 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2223 if (!opts) {
2224 fprintf(stderr, "duplicate chardev: %s\n", label);
2225 exit(1);
2226 }
2227 qemu_opt_set(opts, "mode", mode);
2228 qemu_opt_set(opts, "chardev", label);
2229 qemu_opt_set_bool(opts, "pretty", pretty);
2230 if (def)
2231 qemu_opt_set(opts, "default", "on");
2232 monitor_device_index++;
2233 }
2234
2235 struct device_config {
2236 enum {
2237 DEV_USB, /* -usbdevice */
2238 DEV_BT, /* -bt */
2239 DEV_SERIAL, /* -serial */
2240 DEV_PARALLEL, /* -parallel */
2241 DEV_VIRTCON, /* -virtioconsole */
2242 DEV_DEBUGCON, /* -debugcon */
2243 DEV_GDB, /* -gdb, -s */
2244 DEV_SCLP, /* s390 sclp */
2245 } type;
2246 const char *cmdline;
2247 Location loc;
2248 QTAILQ_ENTRY(device_config) next;
2249 };
2250
2251 static QTAILQ_HEAD(, device_config) device_configs =
2252 QTAILQ_HEAD_INITIALIZER(device_configs);
2253
2254 static void add_device_config(int type, const char *cmdline)
2255 {
2256 struct device_config *conf;
2257
2258 conf = g_malloc0(sizeof(*conf));
2259 conf->type = type;
2260 conf->cmdline = cmdline;
2261 loc_save(&conf->loc);
2262 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2263 }
2264
2265 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2266 {
2267 struct device_config *conf;
2268 int rc;
2269
2270 QTAILQ_FOREACH(conf, &device_configs, next) {
2271 if (conf->type != type)
2272 continue;
2273 loc_push_restore(&conf->loc);
2274 rc = func(conf->cmdline);
2275 loc_pop(&conf->loc);
2276 if (rc) {
2277 return rc;
2278 }
2279 }
2280 return 0;
2281 }
2282
2283 static int serial_parse(const char *devname)
2284 {
2285 static int index = 0;
2286 char label[32];
2287
2288 if (strcmp(devname, "none") == 0)
2289 return 0;
2290 if (index == MAX_SERIAL_PORTS) {
2291 fprintf(stderr, "qemu: too many serial ports\n");
2292 exit(1);
2293 }
2294 snprintf(label, sizeof(label), "serial%d", index);
2295 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2296 if (!serial_hds[index]) {
2297 fprintf(stderr, "qemu: could not connect serial device"
2298 " to character backend '%s'\n", devname);
2299 return -1;
2300 }
2301 index++;
2302 return 0;
2303 }
2304
2305 static int parallel_parse(const char *devname)
2306 {
2307 static int index = 0;
2308 char label[32];
2309
2310 if (strcmp(devname, "none") == 0)
2311 return 0;
2312 if (index == MAX_PARALLEL_PORTS) {
2313 fprintf(stderr, "qemu: too many parallel ports\n");
2314 exit(1);
2315 }
2316 snprintf(label, sizeof(label), "parallel%d", index);
2317 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2318 if (!parallel_hds[index]) {
2319 fprintf(stderr, "qemu: could not connect parallel device"
2320 " to character backend '%s'\n", devname);
2321 return -1;
2322 }
2323 index++;
2324 return 0;
2325 }
2326
2327 static int virtcon_parse(const char *devname)
2328 {
2329 QemuOptsList *device = qemu_find_opts("device");
2330 static int index = 0;
2331 char label[32];
2332 QemuOpts *bus_opts, *dev_opts;
2333
2334 if (strcmp(devname, "none") == 0)
2335 return 0;
2336 if (index == MAX_VIRTIO_CONSOLES) {
2337 fprintf(stderr, "qemu: too many virtio consoles\n");
2338 exit(1);
2339 }
2340
2341 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2342 if (arch_type == QEMU_ARCH_S390X) {
2343 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2344 } else {
2345 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2346 }
2347
2348 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2349 qemu_opt_set(dev_opts, "driver", "virtconsole");
2350
2351 snprintf(label, sizeof(label), "virtcon%d", index);
2352 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2353 if (!virtcon_hds[index]) {
2354 fprintf(stderr, "qemu: could not connect virtio console"
2355 " to character backend '%s'\n", devname);
2356 return -1;
2357 }
2358 qemu_opt_set(dev_opts, "chardev", label);
2359
2360 index++;
2361 return 0;
2362 }
2363
2364 static int sclp_parse(const char *devname)
2365 {
2366 QemuOptsList *device = qemu_find_opts("device");
2367 static int index = 0;
2368 char label[32];
2369 QemuOpts *dev_opts;
2370
2371 if (strcmp(devname, "none") == 0) {
2372 return 0;
2373 }
2374 if (index == MAX_SCLP_CONSOLES) {
2375 fprintf(stderr, "qemu: too many sclp consoles\n");
2376 exit(1);
2377 }
2378
2379 assert(arch_type == QEMU_ARCH_S390X);
2380
2381 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2382 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2383
2384 snprintf(label, sizeof(label), "sclpcon%d", index);
2385 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2386 if (!sclp_hds[index]) {
2387 fprintf(stderr, "qemu: could not connect sclp console"
2388 " to character backend '%s'\n", devname);
2389 return -1;
2390 }
2391 qemu_opt_set(dev_opts, "chardev", label);
2392
2393 index++;
2394 return 0;
2395 }
2396
2397 static int debugcon_parse(const char *devname)
2398 {
2399 QemuOpts *opts;
2400
2401 if (!qemu_chr_new("debugcon", devname, NULL)) {
2402 exit(1);
2403 }
2404 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2405 if (!opts) {
2406 fprintf(stderr, "qemu: already have a debugcon device\n");
2407 exit(1);
2408 }
2409 qemu_opt_set(opts, "driver", "isa-debugcon");
2410 qemu_opt_set(opts, "chardev", "debugcon");
2411 return 0;
2412 }
2413
2414 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2415 {
2416 const MachineClass *mc1 = a, *mc2 = b;
2417 int res;
2418
2419 if (mc1->family == NULL) {
2420 if (mc2->family == NULL) {
2421 /* Compare standalone machine types against each other; they sort
2422 * in increasing order.
2423 */
2424 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2425 object_class_get_name(OBJECT_CLASS(mc2)));
2426 }
2427
2428 /* Standalone machine types sort after families. */
2429 return 1;
2430 }
2431
2432 if (mc2->family == NULL) {
2433 /* Families sort before standalone machine types. */
2434 return -1;
2435 }
2436
2437 /* Families sort between each other alphabetically increasingly. */
2438 res = strcmp(mc1->family, mc2->family);
2439 if (res != 0) {
2440 return res;
2441 }
2442
2443 /* Within the same family, machine types sort in decreasing order. */
2444 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2445 object_class_get_name(OBJECT_CLASS(mc1)));
2446 }
2447
2448 static MachineClass *machine_parse(const char *name)
2449 {
2450 MachineClass *mc = NULL;
2451 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2452
2453 if (name) {
2454 mc = find_machine(name);
2455 }
2456 if (mc) {
2457 return mc;
2458 }
2459 if (name && !is_help_option(name)) {
2460 error_report("Unsupported machine type");
2461 error_printf("Use -machine help to list supported machines!\n");
2462 } else {
2463 printf("Supported machines are:\n");
2464 machines = g_slist_sort(machines, machine_class_cmp);
2465 for (el = machines; el; el = el->next) {
2466 MachineClass *mc = el->data;
2467 if (mc->alias) {
2468 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2469 }
2470 printf("%-20s %s%s\n", mc->name, mc->desc,
2471 mc->is_default ? " (default)" : "");
2472 }
2473 }
2474
2475 g_slist_free(machines);
2476 exit(!name || !is_help_option(name));
2477 }
2478
2479 void qemu_add_exit_notifier(Notifier *notify)
2480 {
2481 notifier_list_add(&exit_notifiers, notify);
2482 }
2483
2484 void qemu_remove_exit_notifier(Notifier *notify)
2485 {
2486 notifier_remove(notify);
2487 }
2488
2489 static void qemu_run_exit_notifiers(void)
2490 {
2491 notifier_list_notify(&exit_notifiers, NULL);
2492 }
2493
2494 void qemu_add_machine_init_done_notifier(Notifier *notify)
2495 {
2496 notifier_list_add(&machine_init_done_notifiers, notify);
2497 }
2498
2499 static void qemu_run_machine_init_done_notifiers(void)
2500 {
2501 notifier_list_notify(&machine_init_done_notifiers, NULL);
2502 }
2503
2504 static const QEMUOption *lookup_opt(int argc, char **argv,
2505 const char **poptarg, int *poptind)
2506 {
2507 const QEMUOption *popt;
2508 int optind = *poptind;
2509 char *r = argv[optind];
2510 const char *optarg;
2511
2512 loc_set_cmdline(argv, optind, 1);
2513 optind++;
2514 /* Treat --foo the same as -foo. */
2515 if (r[1] == '-')
2516 r++;
2517 popt = qemu_options;
2518 for(;;) {
2519 if (!popt->name) {
2520 error_report("invalid option");
2521 exit(1);
2522 }
2523 if (!strcmp(popt->name, r + 1))
2524 break;
2525 popt++;
2526 }
2527 if (popt->flags & HAS_ARG) {
2528 if (optind >= argc) {
2529 error_report("requires an argument");
2530 exit(1);
2531 }
2532 optarg = argv[optind++];
2533 loc_set_cmdline(argv, optind - 2, 2);
2534 } else {
2535 optarg = NULL;
2536 }
2537
2538 *poptarg = optarg;
2539 *poptind = optind;
2540
2541 return popt;
2542 }
2543
2544 static gpointer malloc_and_trace(gsize n_bytes)
2545 {
2546 void *ptr = malloc(n_bytes);
2547 trace_g_malloc(n_bytes, ptr);
2548 return ptr;
2549 }
2550
2551 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2552 {
2553 void *ptr = realloc(mem, n_bytes);
2554 trace_g_realloc(mem, n_bytes, ptr);
2555 return ptr;
2556 }
2557
2558 static void free_and_trace(gpointer mem)
2559 {
2560 trace_g_free(mem);
2561 free(mem);
2562 }
2563
2564 static int machine_set_property(const char *name, const char *value,
2565 void *opaque)
2566 {
2567 Object *obj = OBJECT(opaque);
2568 Error *local_err = NULL;
2569 char *c, *qom_name;
2570
2571 if (strcmp(name, "type") == 0) {
2572 return 0;
2573 }
2574
2575 qom_name = g_strdup(name);
2576 c = qom_name;
2577 while (*c++) {
2578 if (*c == '_') {
2579 *c = '-';
2580 }
2581 }
2582
2583 object_property_parse(obj, value, qom_name, &local_err);
2584 g_free(qom_name);
2585
2586 if (local_err) {
2587 qerror_report_err(local_err);
2588 error_free(local_err);
2589 return -1;
2590 }
2591
2592 return 0;
2593 }
2594
2595 static int object_create(QemuOpts *opts, void *opaque)
2596 {
2597 Error *err = NULL;
2598 char *type = NULL;
2599 char *id = NULL;
2600 void *dummy = NULL;
2601 OptsVisitor *ov;
2602 QDict *pdict;
2603
2604 ov = opts_visitor_new(opts);
2605 pdict = qemu_opts_to_qdict(opts, NULL);
2606
2607 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2608 if (err) {
2609 goto out;
2610 }
2611
2612 qdict_del(pdict, "qom-type");
2613 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2614 if (err) {
2615 goto out;
2616 }
2617
2618 qdict_del(pdict, "id");
2619 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2620 if (err) {
2621 goto out;
2622 }
2623
2624 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2625 if (err) {
2626 goto out;
2627 }
2628 visit_end_struct(opts_get_visitor(ov), &err);
2629 if (err) {
2630 qmp_object_del(id, NULL);
2631 }
2632
2633 out:
2634 opts_visitor_cleanup(ov);
2635
2636 QDECREF(pdict);
2637 g_free(id);
2638 g_free(type);
2639 g_free(dummy);
2640 if (err) {
2641 qerror_report_err(err);
2642 error_free(err);
2643 return -1;
2644 }
2645 return 0;
2646 }
2647
2648 int main(int argc, char **argv, char **envp)
2649 {
2650 int i;
2651 int snapshot, linux_boot;
2652 const char *initrd_filename;
2653 const char *kernel_filename, *kernel_cmdline;
2654 const char *boot_order;
2655 DisplayState *ds;
2656 int cyls, heads, secs, translation;
2657 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2658 QemuOptsList *olist;
2659 int optind;
2660 const char *optarg;
2661 const char *loadvm = NULL;
2662 MachineClass *machine_class;
2663 const char *cpu_model;
2664 const char *vga_model = NULL;
2665 const char *qtest_chrdev = NULL;
2666 const char *qtest_log = NULL;
2667 const char *pid_file = NULL;
2668 const char *incoming = NULL;
2669 #ifdef CONFIG_VNC
2670 int show_vnc_port = 0;
2671 #endif
2672 bool defconfig = true;
2673 bool userconfig = true;
2674 const char *log_mask = NULL;
2675 const char *log_file = NULL;
2676 GMemVTable mem_trace = {
2677 .malloc = malloc_and_trace,
2678 .realloc = realloc_and_trace,
2679 .free = free_and_trace,
2680 };
2681 const char *trace_events = NULL;
2682 const char *trace_file = NULL;
2683 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2684 1024 * 1024;
2685 ram_addr_t maxram_size = default_ram_size;
2686 uint64_t ram_slots = 0;
2687 FILE *vmstate_dump_file = NULL;
2688 Error *main_loop_err = NULL;
2689
2690 atexit(qemu_run_exit_notifiers);
2691 error_set_progname(argv[0]);
2692 qemu_init_exec_dir(argv[0]);
2693
2694 g_mem_set_vtable(&mem_trace);
2695
2696 module_call_init(MODULE_INIT_QOM);
2697
2698 qemu_add_opts(&qemu_drive_opts);
2699 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2700 qemu_add_drive_opts(&qemu_common_drive_opts);
2701 qemu_add_drive_opts(&qemu_drive_opts);
2702 qemu_add_opts(&qemu_chardev_opts);
2703 qemu_add_opts(&qemu_device_opts);
2704 qemu_add_opts(&qemu_netdev_opts);
2705 qemu_add_opts(&qemu_net_opts);
2706 qemu_add_opts(&qemu_rtc_opts);
2707 qemu_add_opts(&qemu_global_opts);
2708 qemu_add_opts(&qemu_mon_opts);
2709 qemu_add_opts(&qemu_trace_opts);
2710 qemu_add_opts(&qemu_option_rom_opts);
2711 qemu_add_opts(&qemu_machine_opts);
2712 qemu_add_opts(&qemu_mem_opts);
2713 qemu_add_opts(&qemu_smp_opts);
2714 qemu_add_opts(&qemu_boot_opts);
2715 qemu_add_opts(&qemu_sandbox_opts);
2716 qemu_add_opts(&qemu_add_fd_opts);
2717 qemu_add_opts(&qemu_object_opts);
2718 qemu_add_opts(&qemu_tpmdev_opts);
2719 qemu_add_opts(&qemu_realtime_opts);
2720 qemu_add_opts(&qemu_msg_opts);
2721 qemu_add_opts(&qemu_name_opts);
2722 qemu_add_opts(&qemu_numa_opts);
2723 qemu_add_opts(&qemu_icount_opts);
2724 qemu_add_opts(&qemu_semihosting_config_opts);
2725
2726 runstate_init();
2727
2728 rtc_clock = QEMU_CLOCK_HOST;
2729
2730 QLIST_INIT (&vm_change_state_head);
2731 os_setup_early_signal_handling();
2732
2733 module_call_init(MODULE_INIT_MACHINE);
2734 machine_class = find_default_machine();
2735 cpu_model = NULL;
2736 ram_size = default_ram_size;
2737 snapshot = 0;
2738 cyls = heads = secs = 0;
2739 translation = BIOS_ATA_TRANSLATION_AUTO;
2740
2741 for (i = 0; i < MAX_NODES; i++) {
2742 numa_info[i].node_mem = 0;
2743 numa_info[i].present = false;
2744 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2745 }
2746
2747 nb_numa_nodes = 0;
2748 max_numa_nodeid = 0;
2749 nb_nics = 0;
2750
2751 bdrv_init_with_whitelist();
2752
2753 autostart = 1;
2754
2755 /* first pass of option parsing */
2756 optind = 1;
2757 while (optind < argc) {
2758 if (argv[optind][0] != '-') {
2759 /* disk image */
2760 optind++;
2761 } else {
2762 const QEMUOption *popt;
2763
2764 popt = lookup_opt(argc, argv, &optarg, &optind);
2765 switch (popt->index) {
2766 case QEMU_OPTION_nodefconfig:
2767 defconfig = false;
2768 break;
2769 case QEMU_OPTION_nouserconfig:
2770 userconfig = false;
2771 break;
2772 }
2773 }
2774 }
2775
2776 if (defconfig) {
2777 int ret;
2778 ret = qemu_read_default_config_files(userconfig);
2779 if (ret < 0) {
2780 exit(1);
2781 }
2782 }
2783
2784 /* second pass of option parsing */
2785 optind = 1;
2786 for(;;) {
2787 if (optind >= argc)
2788 break;
2789 if (argv[optind][0] != '-') {
2790 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2791 } else {
2792 const QEMUOption *popt;
2793
2794 popt = lookup_opt(argc, argv, &optarg, &optind);
2795 if (!(popt->arch_mask & arch_type)) {
2796 printf("Option %s not supported for this target\n", popt->name);
2797 exit(1);
2798 }
2799 switch(popt->index) {
2800 case QEMU_OPTION_M:
2801 machine_class = machine_parse(optarg);
2802 break;
2803 case QEMU_OPTION_no_kvm_irqchip: {
2804 olist = qemu_find_opts("machine");
2805 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2806 break;
2807 }
2808 case QEMU_OPTION_cpu:
2809 /* hw initialization will check this */
2810 cpu_model = optarg;
2811 break;
2812 case QEMU_OPTION_hda:
2813 {
2814 char buf[256];
2815 if (cyls == 0)
2816 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2817 else
2818 snprintf(buf, sizeof(buf),
2819 "%s,cyls=%d,heads=%d,secs=%d%s",
2820 HD_OPTS , cyls, heads, secs,
2821 translation == BIOS_ATA_TRANSLATION_LBA ?
2822 ",trans=lba" :
2823 translation == BIOS_ATA_TRANSLATION_NONE ?
2824 ",trans=none" : "");
2825 drive_add(IF_DEFAULT, 0, optarg, buf);
2826 break;
2827 }
2828 case QEMU_OPTION_hdb:
2829 case QEMU_OPTION_hdc:
2830 case QEMU_OPTION_hdd:
2831 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2832 HD_OPTS);
2833 break;
2834 case QEMU_OPTION_drive:
2835 if (drive_def(optarg) == NULL) {
2836 exit(1);
2837 }
2838 break;
2839 case QEMU_OPTION_set:
2840 if (qemu_set_option(optarg) != 0)
2841 exit(1);
2842 break;
2843 case QEMU_OPTION_global:
2844 if (qemu_global_option(optarg) != 0)
2845 exit(1);
2846 break;
2847 case QEMU_OPTION_mtdblock:
2848 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2849 break;
2850 case QEMU_OPTION_sd:
2851 drive_add(IF_SD, -1, optarg, SD_OPTS);
2852 break;
2853 case QEMU_OPTION_pflash:
2854 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2855 break;
2856 case QEMU_OPTION_snapshot:
2857 snapshot = 1;
2858 break;
2859 case QEMU_OPTION_hdachs:
2860 {
2861 const char *p;
2862 p = optarg;
2863 cyls = strtol(p, (char **)&p, 0);
2864 if (cyls < 1 || cyls > 16383)
2865 goto chs_fail;
2866 if (*p != ',')
2867 goto chs_fail;
2868 p++;
2869 heads = strtol(p, (char **)&p, 0);
2870 if (heads < 1 || heads > 16)
2871 goto chs_fail;
2872 if (*p != ',')
2873 goto chs_fail;
2874 p++;
2875 secs = strtol(p, (char **)&p, 0);
2876 if (secs < 1 || secs > 63)
2877 goto chs_fail;
2878 if (*p == ',') {
2879 p++;
2880 if (!strcmp(p, "large")) {
2881 translation = BIOS_ATA_TRANSLATION_LARGE;
2882 } else if (!strcmp(p, "rechs")) {
2883 translation = BIOS_ATA_TRANSLATION_RECHS;
2884 } else if (!strcmp(p, "none")) {
2885 translation = BIOS_ATA_TRANSLATION_NONE;
2886 } else if (!strcmp(p, "lba")) {
2887 translation = BIOS_ATA_TRANSLATION_LBA;
2888 } else if (!strcmp(p, "auto")) {
2889 translation = BIOS_ATA_TRANSLATION_AUTO;
2890 } else {
2891 goto chs_fail;
2892 }
2893 } else if (*p != '\0') {
2894 chs_fail:
2895 fprintf(stderr, "qemu: invalid physical CHS format\n");
2896 exit(1);
2897 }
2898 if (hda_opts != NULL) {
2899 char num[16];
2900 snprintf(num, sizeof(num), "%d", cyls);
2901 qemu_opt_set(hda_opts, "cyls", num);
2902 snprintf(num, sizeof(num), "%d", heads);
2903 qemu_opt_set(hda_opts, "heads", num);
2904 snprintf(num, sizeof(num), "%d", secs);
2905 qemu_opt_set(hda_opts, "secs", num);
2906 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2907 qemu_opt_set(hda_opts, "trans", "large");
2908 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2909 qemu_opt_set(hda_opts, "trans", "rechs");
2910 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2911 qemu_opt_set(hda_opts, "trans", "lba");
2912 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2913 qemu_opt_set(hda_opts, "trans", "none");
2914 }
2915 }
2916 }
2917 break;
2918 case QEMU_OPTION_numa:
2919 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2920 if (!opts) {
2921 exit(1);
2922 }
2923 break;
2924 case QEMU_OPTION_display:
2925 display_type = select_display(optarg);
2926 break;
2927 case QEMU_OPTION_nographic:
2928 display_type = DT_NOGRAPHIC;
2929 break;
2930 case QEMU_OPTION_curses:
2931 #ifdef CONFIG_CURSES
2932 display_type = DT_CURSES;
2933 #else
2934 fprintf(stderr, "Curses support is disabled\n");
2935 exit(1);
2936 #endif
2937 break;
2938 case QEMU_OPTION_portrait:
2939 graphic_rotate = 90;
2940 break;
2941 case QEMU_OPTION_rotate:
2942 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2943 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2944 graphic_rotate != 180 && graphic_rotate != 270) {
2945 fprintf(stderr,
2946 "qemu: only 90, 180, 270 deg rotation is available\n");
2947 exit(1);
2948 }
2949 break;
2950 case QEMU_OPTION_kernel:
2951 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2952 break;
2953 case QEMU_OPTION_initrd:
2954 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2955 break;
2956 case QEMU_OPTION_append:
2957 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2958 break;
2959 case QEMU_OPTION_dtb:
2960 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2961 break;
2962 case QEMU_OPTION_cdrom:
2963 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2964 break;
2965 case QEMU_OPTION_boot:
2966 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
2967 if (!opts) {
2968 exit(1);
2969 }
2970 break;
2971 case QEMU_OPTION_fda:
2972 case QEMU_OPTION_fdb:
2973 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2974 optarg, FD_OPTS);
2975 break;
2976 case QEMU_OPTION_no_fd_bootchk:
2977 fd_bootchk = 0;
2978 break;
2979 case QEMU_OPTION_netdev:
2980 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2981 exit(1);
2982 }
2983 break;
2984 case QEMU_OPTION_net:
2985 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2986 exit(1);
2987 }
2988 break;
2989 #ifdef CONFIG_LIBISCSI
2990 case QEMU_OPTION_iscsi:
2991 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2992 if (!opts) {
2993 exit(1);
2994 }
2995 break;
2996 #endif
2997 #ifdef CONFIG_SLIRP
2998 case QEMU_OPTION_tftp:
2999 legacy_tftp_prefix = optarg;
3000 break;
3001 case QEMU_OPTION_bootp:
3002 legacy_bootp_filename = optarg;
3003 break;
3004 case QEMU_OPTION_redir:
3005 if (net_slirp_redir(optarg) < 0)
3006 exit(1);
3007 break;
3008 #endif
3009 case QEMU_OPTION_bt:
3010 add_device_config(DEV_BT, optarg);
3011 break;
3012 case QEMU_OPTION_audio_help:
3013 AUD_help ();
3014 exit (0);
3015 break;
3016 case QEMU_OPTION_soundhw:
3017 select_soundhw (optarg);
3018 break;
3019 case QEMU_OPTION_h:
3020 help(0);
3021 break;
3022 case QEMU_OPTION_version:
3023 version();
3024 exit(0);
3025 break;
3026 case QEMU_OPTION_m: {
3027 uint64_t sz;
3028 const char *mem_str;
3029 const char *maxmem_str, *slots_str;
3030
3031 opts = qemu_opts_parse(qemu_find_opts("memory"),
3032 optarg, 1);
3033 if (!opts) {
3034 exit(EXIT_FAILURE);
3035 }
3036
3037 mem_str = qemu_opt_get(opts, "size");
3038 if (!mem_str) {
3039 error_report("invalid -m option, missing 'size' option");
3040 exit(EXIT_FAILURE);
3041 }
3042 if (!*mem_str) {
3043 error_report("missing 'size' option value");
3044 exit(EXIT_FAILURE);
3045 }
3046
3047 sz = qemu_opt_get_size(opts, "size", ram_size);
3048
3049 /* Fix up legacy suffix-less format */
3050 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3051 uint64_t overflow_check = sz;
3052
3053 sz <<= 20;
3054 if ((sz >> 20) != overflow_check) {
3055 error_report("too large 'size' option value");
3056 exit(EXIT_FAILURE);
3057 }
3058 }
3059
3060 /* backward compatibility behaviour for case "-m 0" */
3061 if (sz == 0) {
3062 sz = default_ram_size;
3063 }
3064
3065 sz = QEMU_ALIGN_UP(sz, 8192);
3066 ram_size = sz;
3067 if (ram_size != sz) {
3068 error_report("ram size too large");
3069 exit(EXIT_FAILURE);
3070 }
3071 maxram_size = ram_size;
3072
3073 maxmem_str = qemu_opt_get(opts, "maxmem");
3074 slots_str = qemu_opt_get(opts, "slots");
3075 if (maxmem_str && slots_str) {
3076 uint64_t slots;
3077
3078 sz = qemu_opt_get_size(opts, "maxmem", 0);
3079 if (sz < ram_size) {
3080 error_report("invalid -m option value: maxmem "
3081 "(0x%" PRIx64 ") <= initial memory (0x"
3082 RAM_ADDR_FMT ")", sz, ram_size);
3083 exit(EXIT_FAILURE);
3084 }
3085
3086 slots = qemu_opt_get_number(opts, "slots", 0);
3087 if ((sz > ram_size) && !slots) {
3088 error_report("invalid -m option value: maxmem "
3089 "(0x%" PRIx64 ") more than initial memory (0x"
3090 RAM_ADDR_FMT ") but no hotplug slots where "
3091 "specified", sz, ram_size);
3092 exit(EXIT_FAILURE);
3093 }
3094
3095 if ((sz <= ram_size) && slots) {
3096 error_report("invalid -m option value: %"
3097 PRIu64 " hotplug slots where specified but "
3098 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3099 RAM_ADDR_FMT ")", slots, sz, ram_size);
3100 exit(EXIT_FAILURE);
3101 }
3102 maxram_size = sz;
3103 ram_slots = slots;
3104 } else if ((!maxmem_str && slots_str) ||
3105 (maxmem_str && !slots_str)) {
3106 error_report("invalid -m option value: missing "
3107 "'%s' option", slots_str ? "maxmem" : "slots");
3108 exit(EXIT_FAILURE);
3109 }
3110 break;
3111 }
3112 #ifdef CONFIG_TPM
3113 case QEMU_OPTION_tpmdev:
3114 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3115 exit(1);
3116 }
3117 break;
3118 #endif
3119 case QEMU_OPTION_mempath:
3120 mem_path = optarg;
3121 break;
3122 case QEMU_OPTION_mem_prealloc:
3123 mem_prealloc = 1;
3124 break;
3125 case QEMU_OPTION_d:
3126 log_mask = optarg;
3127 break;
3128 case QEMU_OPTION_D:
3129 log_file = optarg;
3130 break;
3131 case QEMU_OPTION_s:
3132 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3133 break;
3134 case QEMU_OPTION_gdb:
3135 add_device_config(DEV_GDB, optarg);
3136 break;
3137 case QEMU_OPTION_L:
3138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3139 data_dir[data_dir_idx++] = optarg;
3140 }
3141 break;
3142 case QEMU_OPTION_bios:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3144 break;
3145 case QEMU_OPTION_singlestep:
3146 singlestep = 1;
3147 break;
3148 case QEMU_OPTION_S:
3149 autostart = 0;
3150 break;
3151 case QEMU_OPTION_k:
3152 keyboard_layout = optarg;
3153 break;
3154 case QEMU_OPTION_localtime:
3155 rtc_utc = 0;
3156 break;
3157 case QEMU_OPTION_vga:
3158 vga_model = optarg;
3159 default_vga = 0;
3160 break;
3161 case QEMU_OPTION_g:
3162 {
3163 const char *p;
3164 int w, h, depth;
3165 p = optarg;
3166 w = strtol(p, (char **)&p, 10);
3167 if (w <= 0) {
3168 graphic_error:
3169 fprintf(stderr, "qemu: invalid resolution or depth\n");
3170 exit(1);
3171 }
3172 if (*p != 'x')
3173 goto graphic_error;
3174 p++;
3175 h = strtol(p, (char **)&p, 10);
3176 if (h <= 0)
3177 goto graphic_error;
3178 if (*p == 'x') {
3179 p++;
3180 depth = strtol(p, (char **)&p, 10);
3181 if (depth != 8 && depth != 15 && depth != 16 &&
3182 depth != 24 && depth != 32)
3183 goto graphic_error;
3184 } else if (*p == '\0') {
3185 depth = graphic_depth;
3186 } else {
3187 goto graphic_error;
3188 }
3189
3190 graphic_width = w;
3191 graphic_height = h;
3192 graphic_depth = depth;
3193 }
3194 break;
3195 case QEMU_OPTION_echr:
3196 {
3197 char *r;
3198 term_escape_char = strtol(optarg, &r, 0);
3199 if (r == optarg)
3200 printf("Bad argument to echr\n");
3201 break;
3202 }
3203 case QEMU_OPTION_monitor:
3204 default_monitor = 0;
3205 if (strncmp(optarg, "none", 4)) {
3206 monitor_parse(optarg, "readline", false);
3207 }
3208 break;
3209 case QEMU_OPTION_qmp:
3210 monitor_parse(optarg, "control", false);
3211 default_monitor = 0;
3212 break;
3213 case QEMU_OPTION_qmp_pretty:
3214 monitor_parse(optarg, "control", true);
3215 default_monitor = 0;
3216 break;
3217 case QEMU_OPTION_mon:
3218 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3219 if (!opts) {
3220 exit(1);
3221 }
3222 default_monitor = 0;
3223 break;
3224 case QEMU_OPTION_chardev:
3225 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3226 if (!opts) {
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_fsdev:
3231 olist = qemu_find_opts("fsdev");
3232 if (!olist) {
3233 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3234 exit(1);
3235 }
3236 opts = qemu_opts_parse(olist, optarg, 1);
3237 if (!opts) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_virtfs: {
3242 QemuOpts *fsdev;
3243 QemuOpts *device;
3244 const char *writeout, *sock_fd, *socket;
3245
3246 olist = qemu_find_opts("virtfs");
3247 if (!olist) {
3248 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3249 exit(1);
3250 }
3251 opts = qemu_opts_parse(olist, optarg, 1);
3252 if (!opts) {
3253 exit(1);
3254 }
3255
3256 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3257 qemu_opt_get(opts, "mount_tag") == NULL) {
3258 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3259 exit(1);
3260 }
3261 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3262 qemu_opt_get(opts, "mount_tag"),
3263 1, NULL);
3264 if (!fsdev) {
3265 fprintf(stderr, "duplicate fsdev id: %s\n",
3266 qemu_opt_get(opts, "mount_tag"));
3267 exit(1);
3268 }
3269
3270 writeout = qemu_opt_get(opts, "writeout");
3271 if (writeout) {
3272 #ifdef CONFIG_SYNC_FILE_RANGE
3273 qemu_opt_set(fsdev, "writeout", writeout);
3274 #else
3275 fprintf(stderr, "writeout=immediate not supported on "
3276 "this platform\n");
3277 exit(1);
3278 #endif
3279 }
3280 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3281 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3282 qemu_opt_set(fsdev, "security_model",
3283 qemu_opt_get(opts, "security_model"));
3284 socket = qemu_opt_get(opts, "socket");
3285 if (socket) {
3286 qemu_opt_set(fsdev, "socket", socket);
3287 }
3288 sock_fd = qemu_opt_get(opts, "sock_fd");
3289 if (sock_fd) {
3290 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3291 }
3292
3293 qemu_opt_set_bool(fsdev, "readonly",
3294 qemu_opt_get_bool(opts, "readonly", 0));
3295 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3296 &error_abort);
3297 qemu_opt_set(device, "driver", "virtio-9p-pci");
3298 qemu_opt_set(device, "fsdev",
3299 qemu_opt_get(opts, "mount_tag"));
3300 qemu_opt_set(device, "mount_tag",
3301 qemu_opt_get(opts, "mount_tag"));
3302 break;
3303 }
3304 case QEMU_OPTION_virtfs_synth: {
3305 QemuOpts *fsdev;
3306 QemuOpts *device;
3307
3308 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3309 1, NULL);
3310 if (!fsdev) {
3311 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3312 exit(1);
3313 }
3314 qemu_opt_set(fsdev, "fsdriver", "synth");
3315
3316 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3317 &error_abort);
3318 qemu_opt_set(device, "driver", "virtio-9p-pci");
3319 qemu_opt_set(device, "fsdev", "v_synth");
3320 qemu_opt_set(device, "mount_tag", "v_synth");
3321 break;
3322 }
3323 case QEMU_OPTION_serial:
3324 add_device_config(DEV_SERIAL, optarg);
3325 default_serial = 0;
3326 if (strncmp(optarg, "mon:", 4) == 0) {
3327 default_monitor = 0;
3328 }
3329 break;
3330 case QEMU_OPTION_watchdog:
3331 if (watchdog) {
3332 fprintf(stderr,
3333 "qemu: only one watchdog option may be given\n");
3334 return 1;
3335 }
3336 watchdog = optarg;
3337 break;
3338 case QEMU_OPTION_watchdog_action:
3339 if (select_watchdog_action(optarg) == -1) {
3340 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3341 exit(1);
3342 }
3343 break;
3344 case QEMU_OPTION_virtiocon:
3345 add_device_config(DEV_VIRTCON, optarg);
3346 default_virtcon = 0;
3347 if (strncmp(optarg, "mon:", 4) == 0) {
3348 default_monitor = 0;
3349 }
3350 break;
3351 case QEMU_OPTION_parallel:
3352 add_device_config(DEV_PARALLEL, optarg);
3353 default_parallel = 0;
3354 if (strncmp(optarg, "mon:", 4) == 0) {
3355 default_monitor = 0;
3356 }
3357 break;
3358 case QEMU_OPTION_debugcon:
3359 add_device_config(DEV_DEBUGCON, optarg);
3360 break;
3361 case QEMU_OPTION_loadvm:
3362 loadvm = optarg;
3363 break;
3364 case QEMU_OPTION_full_screen:
3365 full_screen = 1;
3366 break;
3367 case QEMU_OPTION_no_frame:
3368 no_frame = 1;
3369 break;
3370 case QEMU_OPTION_alt_grab:
3371 alt_grab = 1;
3372 break;
3373 case QEMU_OPTION_ctrl_grab:
3374 ctrl_grab = 1;
3375 break;
3376 case QEMU_OPTION_no_quit:
3377 no_quit = 1;
3378 break;
3379 case QEMU_OPTION_sdl:
3380 #ifdef CONFIG_SDL
3381 display_type = DT_SDL;
3382 break;
3383 #else
3384 fprintf(stderr, "SDL support is disabled\n");
3385 exit(1);
3386 #endif
3387 case QEMU_OPTION_pidfile:
3388 pid_file = optarg;
3389 break;
3390 case QEMU_OPTION_win2k_hack:
3391 win2k_install_hack = 1;
3392 break;
3393 case QEMU_OPTION_rtc_td_hack: {
3394 static GlobalProperty slew_lost_ticks[] = {
3395 {
3396 .driver = "mc146818rtc",
3397 .property = "lost_tick_policy",
3398 .value = "slew",
3399 },
3400 { /* end of list */ }
3401 };
3402
3403 qdev_prop_register_global_list(slew_lost_ticks);
3404 break;
3405 }
3406 case QEMU_OPTION_acpitable:
3407 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3408 if (!opts) {
3409 exit(1);
3410 }
3411 do_acpitable_option(opts);
3412 break;
3413 case QEMU_OPTION_smbios:
3414 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3415 if (!opts) {
3416 exit(1);
3417 }
3418 do_smbios_option(opts);
3419 break;
3420 case QEMU_OPTION_enable_kvm:
3421 olist = qemu_find_opts("machine");
3422 qemu_opts_parse(olist, "accel=kvm", 0);
3423 break;
3424 case QEMU_OPTION_machine:
3425 olist = qemu_find_opts("machine");
3426 opts = qemu_opts_parse(olist, optarg, 1);
3427 if (!opts) {
3428 exit(1);
3429 }
3430 optarg = qemu_opt_get(opts, "type");
3431 if (optarg) {
3432 machine_class = machine_parse(optarg);
3433 }
3434 break;
3435 case QEMU_OPTION_no_kvm:
3436 olist = qemu_find_opts("machine");
3437 qemu_opts_parse(olist, "accel=tcg", 0);
3438 break;
3439 case QEMU_OPTION_no_kvm_pit: {
3440 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3441 "separately.\n");
3442 break;
3443 }
3444 case QEMU_OPTION_no_kvm_pit_reinjection: {
3445 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3446 {
3447 .driver = "kvm-pit",
3448 .property = "lost_tick_policy",
3449 .value = "discard",
3450 },
3451 { /* end of list */ }
3452 };
3453
3454 fprintf(stderr, "Warning: option deprecated, use "
3455 "lost_tick_policy property of kvm-pit instead.\n");
3456 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3457 break;
3458 }
3459 case QEMU_OPTION_usb:
3460 olist = qemu_find_opts("machine");
3461 qemu_opts_parse(olist, "usb=on", 0);
3462 break;
3463 case QEMU_OPTION_usbdevice:
3464 olist = qemu_find_opts("machine");
3465 qemu_opts_parse(olist, "usb=on", 0);
3466 add_device_config(DEV_USB, optarg);
3467 break;
3468 case QEMU_OPTION_device:
3469 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_smp:
3474 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_vnc:
3479 #ifdef CONFIG_VNC
3480 display_remote++;
3481 vnc_display = optarg;
3482 #else
3483 fprintf(stderr, "VNC support is disabled\n");
3484 exit(1);
3485 #endif
3486 break;
3487 case QEMU_OPTION_no_acpi:
3488 acpi_enabled = 0;
3489 break;
3490 case QEMU_OPTION_no_hpet:
3491 no_hpet = 1;
3492 break;
3493 case QEMU_OPTION_balloon:
3494 if (balloon_parse(optarg) < 0) {
3495 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3496 exit(1);
3497 }
3498 break;
3499 case QEMU_OPTION_no_reboot:
3500 no_reboot = 1;
3501 break;
3502 case QEMU_OPTION_no_shutdown:
3503 no_shutdown = 1;
3504 break;
3505 case QEMU_OPTION_show_cursor:
3506 cursor_hide = 0;
3507 break;
3508 case QEMU_OPTION_uuid:
3509 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3510 fprintf(stderr, "Fail to parse UUID string."
3511 " Wrong format.\n");
3512 exit(1);
3513 }
3514 qemu_uuid_set = true;
3515 break;
3516 case QEMU_OPTION_option_rom:
3517 if (nb_option_roms >= MAX_OPTION_ROMS) {
3518 fprintf(stderr, "Too many option ROMs\n");
3519 exit(1);
3520 }
3521 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3522 if (!opts) {
3523 exit(1);
3524 }
3525 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3526 option_rom[nb_option_roms].bootindex =
3527 qemu_opt_get_number(opts, "bootindex", -1);
3528 if (!option_rom[nb_option_roms].name) {
3529 fprintf(stderr, "Option ROM file is not specified\n");
3530 exit(1);
3531 }
3532 nb_option_roms++;
3533 break;
3534 case QEMU_OPTION_semihosting:
3535 semihosting_enabled = 1;
3536 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3537 break;
3538 case QEMU_OPTION_semihosting_config:
3539 semihosting_enabled = 1;
3540 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3541 optarg, 0);
3542 if (opts != NULL) {
3543 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3544 true);
3545 const char *target = qemu_opt_get(opts, "target");
3546 if (target != NULL) {
3547 if (strcmp("native", target) == 0) {
3548 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3549 } else if (strcmp("gdb", target) == 0) {
3550 semihosting_target = SEMIHOSTING_TARGET_GDB;
3551 } else if (strcmp("auto", target) == 0) {
3552 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3553 } else {
3554 fprintf(stderr, "Unsupported semihosting-config"
3555 " %s\n",
3556 optarg);
3557 exit(1);
3558 }
3559 } else {
3560 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3561 }
3562 } else {
3563 fprintf(stderr, "Unsupported semihosting-config %s\n",
3564 optarg);
3565 exit(1);
3566 }
3567 break;
3568 case QEMU_OPTION_tdf:
3569 fprintf(stderr, "Warning: user space PIT time drift fix "
3570 "is no longer supported.\n");
3571 break;
3572 case QEMU_OPTION_name:
3573 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3574 if (!opts) {
3575 exit(1);
3576 }
3577 break;
3578 case QEMU_OPTION_prom_env:
3579 if (nb_prom_envs >= MAX_PROM_ENVS) {
3580 fprintf(stderr, "Too many prom variables\n");
3581 exit(1);
3582 }
3583 prom_envs[nb_prom_envs] = optarg;
3584 nb_prom_envs++;
3585 break;
3586 case QEMU_OPTION_old_param:
3587 old_param = 1;
3588 break;
3589 case QEMU_OPTION_clock:
3590 /* Clock options no longer exist. Keep this option for
3591 * backward compatibility.
3592 */
3593 break;
3594 case QEMU_OPTION_startdate:
3595 configure_rtc_date_offset(optarg, 1);
3596 break;
3597 case QEMU_OPTION_rtc:
3598 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3599 if (!opts) {
3600 exit(1);
3601 }
3602 configure_rtc(opts);
3603 break;
3604 case QEMU_OPTION_tb_size:
3605 tcg_tb_size = strtol(optarg, NULL, 0);
3606 if (tcg_tb_size < 0) {
3607 tcg_tb_size = 0;
3608 }
3609 break;
3610 case QEMU_OPTION_icount:
3611 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3612 optarg, 1);
3613 if (!icount_opts) {
3614 exit(1);
3615 }
3616 break;
3617 case QEMU_OPTION_incoming:
3618 incoming = optarg;
3619 runstate_set(RUN_STATE_INMIGRATE);
3620 break;
3621 case QEMU_OPTION_nodefaults:
3622 has_defaults = 0;
3623 break;
3624 case QEMU_OPTION_xen_domid:
3625 if (!(xen_available())) {
3626 printf("Option %s not supported for this target\n", popt->name);
3627 exit(1);
3628 }
3629 xen_domid = atoi(optarg);
3630 break;
3631 case QEMU_OPTION_xen_create:
3632 if (!(xen_available())) {
3633 printf("Option %s not supported for this target\n", popt->name);
3634 exit(1);
3635 }
3636 xen_mode = XEN_CREATE;
3637 break;
3638 case QEMU_OPTION_xen_attach:
3639 if (!(xen_available())) {
3640 printf("Option %s not supported for this target\n", popt->name);
3641 exit(1);
3642 }
3643 xen_mode = XEN_ATTACH;
3644 break;
3645 case QEMU_OPTION_trace:
3646 {
3647 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 trace_events = qemu_opt_get(opts, "events");
3652 trace_file = qemu_opt_get(opts, "file");
3653 break;
3654 }
3655 case QEMU_OPTION_readconfig:
3656 {
3657 int ret = qemu_read_config_file(optarg);
3658 if (ret < 0) {
3659 fprintf(stderr, "read config %s: %s\n", optarg,
3660 strerror(-ret));
3661 exit(1);
3662 }
3663 break;
3664 }
3665 case QEMU_OPTION_spice:
3666 olist = qemu_find_opts("spice");
3667 if (!olist) {
3668 fprintf(stderr, "spice is not supported by this qemu build.\n");
3669 exit(1);
3670 }
3671 opts = qemu_opts_parse(olist, optarg, 0);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 display_remote++;
3676 break;
3677 case QEMU_OPTION_writeconfig:
3678 {
3679 FILE *fp;
3680 if (strcmp(optarg, "-") == 0) {
3681 fp = stdout;
3682 } else {
3683 fp = fopen(optarg, "w");
3684 if (fp == NULL) {
3685 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3686 exit(1);
3687 }
3688 }
3689 qemu_config_write(fp);
3690 if (fp != stdout) {
3691 fclose(fp);
3692 }
3693 break;
3694 }
3695 case QEMU_OPTION_qtest:
3696 qtest_chrdev = optarg;
3697 break;
3698 case QEMU_OPTION_qtest_log:
3699 qtest_log = optarg;
3700 break;
3701 case QEMU_OPTION_sandbox:
3702 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3703 if (!opts) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_add_fd:
3708 #ifndef _WIN32
3709 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3710 if (!opts) {
3711 exit(1);
3712 }
3713 #else
3714 error_report("File descriptor passing is disabled on this "
3715 "platform");
3716 exit(1);
3717 #endif
3718 break;
3719 case QEMU_OPTION_object:
3720 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_realtime:
3726 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3727 if (!opts) {
3728 exit(1);
3729 }
3730 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3731 break;
3732 case QEMU_OPTION_msg:
3733 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 configure_msg(opts);
3738 break;
3739 case QEMU_OPTION_dump_vmstate:
3740 if (vmstate_dump_file) {
3741 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3742 "option may be given\n");
3743 exit(1);
3744 }
3745 vmstate_dump_file = fopen(optarg, "w");
3746 if (vmstate_dump_file == NULL) {
3747 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3748 exit(1);
3749 }
3750 break;
3751 default:
3752 os_parse_cmd_args(popt->index, optarg);
3753 }
3754 }
3755 }
3756 loc_set_none();
3757
3758 os_daemonize();
3759
3760 if (qemu_init_main_loop(&main_loop_err)) {
3761 error_report("%s", error_get_pretty(main_loop_err));
3762 exit(1);
3763 }
3764
3765 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3766 exit(1);
3767 }
3768
3769 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3770 exit(1);
3771 }
3772
3773 #ifndef _WIN32
3774 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3775 exit(1);
3776 }
3777
3778 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3779 exit(1);
3780 }
3781 #endif
3782
3783 if (machine_class == NULL) {
3784 fprintf(stderr, "No machine specified, and there is no default.\n"
3785 "Use -machine help to list supported machines!\n");
3786 exit(1);
3787 }
3788
3789 current_machine = MACHINE(object_new(object_class_get_name(
3790 OBJECT_CLASS(machine_class))));
3791 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3792 exit(0);
3793 }
3794 object_property_add_child(object_get_root(), "machine",
3795 OBJECT(current_machine), &error_abort);
3796 cpu_exec_init_all();
3797
3798 if (machine_class->hw_version) {
3799 qemu_set_version(machine_class->hw_version);
3800 }
3801
3802 /* Init CPU def lists, based on config
3803 * - Must be called after all the qemu_read_config_file() calls
3804 * - Must be called before list_cpus()
3805 * - Must be called before machine->init()
3806 */
3807 cpudef_init();
3808
3809 if (cpu_model && is_help_option(cpu_model)) {
3810 list_cpus(stdout, &fprintf, cpu_model);
3811 exit(0);
3812 }
3813
3814 /* Open the logfile at this point, if necessary. We can't open the logfile
3815 * when encountering either of the logging options (-d or -D) because the
3816 * other one may be encountered later on the command line, changing the
3817 * location or level of logging.
3818 */
3819 if (log_mask) {
3820 int mask;
3821 if (log_file) {
3822 qemu_set_log_filename(log_file);
3823 }
3824
3825 mask = qemu_str_to_log_mask(log_mask);
3826 if (!mask) {
3827 qemu_print_log_usage(stdout);
3828 exit(1);
3829 }
3830 qemu_set_log(mask);
3831 }
3832
3833 if (!is_daemonized()) {
3834 if (!trace_init_backends(trace_events, trace_file)) {
3835 exit(1);
3836 }
3837 }
3838
3839 /* If no data_dir is specified then try to find it relative to the
3840 executable path. */
3841 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3842 data_dir[data_dir_idx] = os_find_datadir();
3843 if (data_dir[data_dir_idx] != NULL) {
3844 data_dir_idx++;
3845 }
3846 }
3847 /* If all else fails use the install path specified when building. */
3848 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3849 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3850 }
3851
3852 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3853
3854 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3855 if (smp_cpus > machine_class->max_cpus) {
3856 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3857 "supported by machine `%s' (%d)\n", smp_cpus,
3858 machine_class->name, machine_class->max_cpus);
3859 exit(1);
3860 }
3861
3862 /*
3863 * Get the default machine options from the machine if it is not already
3864 * specified either by the configuration file or by the command line.
3865 */
3866 if (machine_class->default_machine_opts) {
3867 qemu_opts_set_defaults(qemu_find_opts("machine"),
3868 machine_class->default_machine_opts, 0);
3869 }
3870
3871 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3872 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3873
3874 if (!vga_model && !default_vga) {
3875 vga_interface_type = VGA_DEVICE;
3876 }
3877 if (!has_defaults || machine_class->no_serial) {
3878 default_serial = 0;
3879 }
3880 if (!has_defaults || machine_class->no_parallel) {
3881 default_parallel = 0;
3882 }
3883 if (!has_defaults || !machine_class->use_virtcon) {
3884 default_virtcon = 0;
3885 }
3886 if (!has_defaults || !machine_class->use_sclp) {
3887 default_sclp = 0;
3888 }
3889 if (!has_defaults || machine_class->no_floppy) {
3890 default_floppy = 0;
3891 }
3892 if (!has_defaults || machine_class->no_cdrom) {
3893 default_cdrom = 0;
3894 }
3895 if (!has_defaults || machine_class->no_sdcard) {
3896 default_sdcard = 0;
3897 }
3898 if (!has_defaults) {
3899 default_monitor = 0;
3900 default_net = 0;
3901 default_vga = 0;
3902 }
3903
3904 if (is_daemonized()) {
3905 /* According to documentation and historically, -nographic redirects
3906 * serial port, parallel port and monitor to stdio, which does not work
3907 * with -daemonize. We can redirect these to null instead, but since
3908 * -nographic is legacy, let's just error out.
3909 * We disallow -nographic only if all other ports are not redirected
3910 * explicitly, to not break existing legacy setups which uses
3911 * -nographic _and_ redirects all ports explicitly - this is valid
3912 * usage, -nographic is just a no-op in this case.
3913 */
3914 if (display_type == DT_NOGRAPHIC
3915 && (default_parallel || default_serial
3916 || default_monitor || default_virtcon)) {
3917 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3918 exit(1);
3919 }
3920 #ifdef CONFIG_CURSES
3921 if (display_type == DT_CURSES) {
3922 fprintf(stderr, "curses display can not be used with -daemonize\n");
3923 exit(1);
3924 }
3925 #endif
3926 }
3927
3928 if (display_type == DT_NOGRAPHIC) {
3929 if (default_parallel)
3930 add_device_config(DEV_PARALLEL, "null");
3931 if (default_serial && default_monitor) {
3932 add_device_config(DEV_SERIAL, "mon:stdio");
3933 } else if (default_virtcon && default_monitor) {
3934 add_device_config(DEV_VIRTCON, "mon:stdio");
3935 } else if (default_sclp && default_monitor) {
3936 add_device_config(DEV_SCLP, "mon:stdio");
3937 } else {
3938 if (default_serial)
3939 add_device_config(DEV_SERIAL, "stdio");
3940 if (default_virtcon)
3941 add_device_config(DEV_VIRTCON, "stdio");
3942 if (default_sclp) {
3943 add_device_config(DEV_SCLP, "stdio");
3944 }
3945 if (default_monitor)
3946 monitor_parse("stdio", "readline", false);
3947 }
3948 } else {
3949 if (default_serial)
3950 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3951 if (default_parallel)
3952 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3953 if (default_monitor)
3954 monitor_parse("vc:80Cx24C", "readline", false);
3955 if (default_virtcon)
3956 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3957 if (default_sclp) {
3958 add_device_config(DEV_SCLP, "vc:80Cx24C");
3959 }
3960 }
3961
3962 if (display_type == DT_DEFAULT && !display_remote) {
3963 #if defined(CONFIG_GTK)
3964 display_type = DT_GTK;
3965 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3966 display_type = DT_SDL;
3967 #elif defined(CONFIG_VNC)
3968 vnc_display = "localhost:0,to=99";
3969 show_vnc_port = 1;
3970 #else
3971 display_type = DT_NONE;
3972 #endif
3973 }
3974
3975 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3976 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3977 "for SDL, ignoring option\n");
3978 }
3979 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3980 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3981 "ignoring option\n");
3982 }
3983
3984 #if defined(CONFIG_GTK)
3985 if (display_type == DT_GTK) {
3986 early_gtk_display_init();
3987 }
3988 #endif
3989
3990 socket_init();
3991
3992 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3993 exit(1);
3994 #ifdef CONFIG_VIRTFS
3995 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3996 exit(1);
3997 }
3998 #endif
3999
4000 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4001 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4002 exit(1);
4003 }
4004
4005 /* store value for the future use */
4006 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4007
4008 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4009 != 0) {
4010 exit(0);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("object"),
4014 object_create, NULL, 0) != 0) {
4015 exit(1);
4016 }
4017
4018 machine_opts = qemu_get_machine_opts();
4019 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4020 1) < 0) {
4021 object_unref(OBJECT(current_machine));
4022 exit(1);
4023 }
4024
4025 configure_accelerator(current_machine);
4026
4027 if (qtest_chrdev) {
4028 Error *local_err = NULL;
4029 qtest_init(qtest_chrdev, qtest_log, &local_err);
4030 if (local_err) {
4031 error_report("%s", error_get_pretty(local_err));
4032 error_free(local_err);
4033 exit(1);
4034 }
4035 }
4036
4037 machine_opts = qemu_get_machine_opts();
4038 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4039 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4040 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4041 bios_name = qemu_opt_get(machine_opts, "firmware");
4042
4043 boot_order = machine_class->default_boot_order;
4044 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4045 if (opts) {
4046 char *normal_boot_order;
4047 const char *order, *once;
4048 Error *local_err = NULL;
4049
4050 order = qemu_opt_get(opts, "order");
4051 if (order) {
4052 validate_bootdevices(order, &local_err);
4053 if (local_err) {
4054 error_report("%s", error_get_pretty(local_err));
4055 exit(1);
4056 }
4057 boot_order = order;
4058 }
4059
4060 once = qemu_opt_get(opts, "once");
4061 if (once) {
4062 validate_bootdevices(once, &local_err);
4063 if (local_err) {
4064 error_report("%s", error_get_pretty(local_err));
4065 exit(1);
4066 }
4067 normal_boot_order = g_strdup(boot_order);
4068 boot_order = once;
4069 qemu_register_reset(restore_boot_order, normal_boot_order);
4070 }
4071
4072 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4073 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4074 }
4075
4076 if (!kernel_cmdline) {
4077 kernel_cmdline = "";
4078 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4079 }
4080
4081 linux_boot = (kernel_filename != NULL);
4082
4083 if (!linux_boot && *kernel_cmdline != '\0') {
4084 fprintf(stderr, "-append only allowed with -kernel option\n");
4085 exit(1);
4086 }
4087
4088 if (!linux_boot && initrd_filename != NULL) {
4089 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4090 exit(1);
4091 }
4092
4093 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4094 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4095 exit(1);
4096 }
4097
4098 os_set_line_buffering();
4099
4100 qemu_init_cpu_loop();
4101 qemu_mutex_lock_iothread();
4102
4103 #ifdef CONFIG_SPICE
4104 /* spice needs the timers to be initialized by this point */
4105 qemu_spice_init();
4106 #endif
4107
4108 cpu_ticks_init();
4109 if (icount_opts) {
4110 if (kvm_enabled() || xen_enabled()) {
4111 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4112 exit(1);
4113 }
4114 configure_icount(icount_opts, &error_abort);
4115 qemu_opts_del(icount_opts);
4116 }
4117
4118 /* clean up network at qemu process termination */
4119 atexit(&net_cleanup);
4120
4121 if (net_init_clients() < 0) {
4122 exit(1);
4123 }
4124
4125 #ifdef CONFIG_TPM
4126 if (tpm_init() < 0) {
4127 exit(1);
4128 }
4129 #endif
4130
4131 /* init the bluetooth world */
4132 if (foreach_device_config(DEV_BT, bt_parse))
4133 exit(1);
4134
4135 if (!xen_enabled()) {
4136 /* On 32-bit hosts, QEMU is limited by virtual address space */
4137 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4138 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4139 exit(1);
4140 }
4141 }
4142
4143 blk_mig_init();
4144 ram_mig_init();
4145
4146 /* If the currently selected machine wishes to override the units-per-bus
4147 * property of its default HBA interface type, do so now. */
4148 if (machine_class->units_per_default_bus) {
4149 override_max_devs(machine_class->block_default_type,
4150 machine_class->units_per_default_bus);
4151 }
4152
4153 /* open the virtual block devices */
4154 if (snapshot)
4155 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4156 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4157 &machine_class->block_default_type, 1) != 0) {
4158 exit(1);
4159 }
4160
4161 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4162 CDROM_OPTS);
4163 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4164 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4165
4166 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4167 NULL, 1) != 0) {
4168 exit(1);
4169 }
4170
4171 set_numa_nodes();
4172
4173 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4174 exit(1);
4175 }
4176
4177 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4178 exit(1);
4179 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4180 exit(1);
4181 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4182 exit(1);
4183 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4184 exit(1);
4185 }
4186 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4187 exit(1);
4188
4189 /* If no default VGA is requested, the default is "none". */
4190 if (default_vga) {
4191 if (machine_class->default_display) {
4192 vga_model = machine_class->default_display;
4193 } else if (cirrus_vga_available()) {
4194 vga_model = "cirrus";
4195 } else if (vga_available()) {
4196 vga_model = "std";
4197 }
4198 }
4199 if (vga_model) {
4200 select_vgahw(vga_model);
4201 }
4202
4203 if (watchdog) {
4204 i = select_watchdog(watchdog);
4205 if (i > 0)
4206 exit (i == 1 ? 1 : 0);
4207 }
4208
4209 if (machine_class->compat_props) {
4210 qdev_prop_register_global_list(machine_class->compat_props);
4211 }
4212 qemu_add_globals();
4213
4214 qdev_machine_init();
4215
4216 current_machine->ram_size = ram_size;
4217 current_machine->maxram_size = maxram_size;
4218 current_machine->ram_slots = ram_slots;
4219 current_machine->boot_order = boot_order;
4220 current_machine->cpu_model = cpu_model;
4221
4222 machine_class->init(current_machine);
4223
4224 realtime_init();
4225
4226 audio_init();
4227
4228 cpu_synchronize_all_post_init();
4229
4230 set_numa_modes();
4231
4232 /* init USB devices */
4233 if (usb_enabled(false)) {
4234 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4235 exit(1);
4236 }
4237
4238 /* init generic devices */
4239 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4240 exit(1);
4241
4242 /* Did we create any drives that we failed to create a device for? */
4243 drive_check_orphaned();
4244
4245 net_check_clients();
4246
4247 ds = init_displaystate();
4248
4249 /* init local displays */
4250 switch (display_type) {
4251 case DT_NOGRAPHIC:
4252 (void)ds; /* avoid warning if no display is configured */
4253 break;
4254 #if defined(CONFIG_CURSES)
4255 case DT_CURSES:
4256 curses_display_init(ds, full_screen);
4257 break;
4258 #endif
4259 #if defined(CONFIG_SDL)
4260 case DT_SDL:
4261 sdl_display_init(ds, full_screen, no_frame);
4262 break;
4263 #elif defined(CONFIG_COCOA)
4264 case DT_SDL:
4265 cocoa_display_init(ds, full_screen);
4266 break;
4267 #endif
4268 #if defined(CONFIG_GTK)
4269 case DT_GTK:
4270 gtk_display_init(ds, full_screen, grab_on_hover);
4271 break;
4272 #endif
4273 default:
4274 break;
4275 }
4276
4277 /* must be after terminal init, SDL library changes signal handlers */
4278 os_setup_signal_handling();
4279
4280 #ifdef CONFIG_VNC
4281 /* init remote displays */
4282 if (vnc_display) {
4283 Error *local_err = NULL;
4284 vnc_display_init(ds);
4285 vnc_display_open(ds, vnc_display, &local_err);
4286 if (local_err != NULL) {
4287 error_report("Failed to start VNC server on `%s': %s",
4288 vnc_display, error_get_pretty(local_err));
4289 error_free(local_err);
4290 exit(1);
4291 }
4292
4293 if (show_vnc_port) {
4294 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4295 }
4296 }
4297 #endif
4298 #ifdef CONFIG_SPICE
4299 if (using_spice) {
4300 qemu_spice_display_init();
4301 }
4302 #endif
4303
4304 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4305 exit(1);
4306 }
4307
4308 qdev_machine_creation_done();
4309
4310 if (rom_load_all() != 0) {
4311 fprintf(stderr, "rom loading failed\n");
4312 exit(1);
4313 }
4314
4315 /* TODO: once all bus devices are qdevified, this should be done
4316 * when bus is created by qdev.c */
4317 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4318 qemu_run_machine_init_done_notifiers();
4319
4320 /* Done notifiers can load ROMs */
4321 rom_load_done();
4322
4323 qemu_system_reset(VMRESET_SILENT);
4324 if (loadvm) {
4325 if (load_vmstate(loadvm) < 0) {
4326 autostart = 0;
4327 }
4328 }
4329
4330 qdev_prop_check_globals();
4331 if (vmstate_dump_file) {
4332 /* dump and exit */
4333 dump_vmstate_json_to_file(vmstate_dump_file);
4334 return 0;
4335 }
4336
4337 if (incoming) {
4338 Error *local_err = NULL;
4339 qemu_start_incoming_migration(incoming, &local_err);
4340 if (local_err) {
4341 error_report("-incoming %s: %s", incoming,
4342 error_get_pretty(local_err));
4343 error_free(local_err);
4344 exit(1);
4345 }
4346 } else if (autostart) {
4347 vm_start();
4348 }
4349
4350 os_setup_post();
4351
4352 if (is_daemonized()) {
4353 if (!trace_init_backends(trace_events, trace_file)) {
4354 exit(1);
4355 }
4356 }
4357
4358 main_loop();
4359 bdrv_close_all();
4360 pause_all_vcpus();
4361 res_free();
4362 #ifdef CONFIG_TPM
4363 tpm_cleanup();
4364 #endif
4365
4366 return 0;
4367 }
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