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xen: do not use __-named variables in mapcache
[qemu/qmp-unstable.git] / vl.c
blobfbf4240145235a0f8b317b4f59a027f8dd881668
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 uint8_t qemu_uuid[16];
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 /*
312 * no elements => accept any
313 * sanity checking will happen later
314 * when setting machine properties
315 */
316 { }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_STRING,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_msg_opts = {
405 .name = "msg",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
407 .desc = {
408 {
409 .name = "timestamp",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_name_opts = {
417 .name = "name",
418 .implied_opt_name = "guest",
419 .merge_lists = true,
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
421 .desc = {
422 {
423 .name = "guest",
424 .type = QEMU_OPT_STRING,
425 .help = "Sets the name of the guest.\n"
426 "This name will be displayed in the SDL window caption.\n"
427 "The name will also be used for the VNC server",
428 }, {
429 .name = "process",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the QEMU process, as shown in top etc",
432 }, {
433 .name = "debug-threads",
434 .type = QEMU_OPT_BOOL,
435 .help = "When enabled, name the individual threads; defaults off.\n"
436 "NOTE: The thread names are for debugging and not a\n"
437 "stable API.",
438 },
439 { /* End of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_mem_opts = {
444 .name = "memory",
445 .implied_opt_name = "size",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
447 .merge_lists = true,
448 .desc = {
449 {
450 .name = "size",
451 .type = QEMU_OPT_SIZE,
452 },
453 {
454 .name = "slots",
455 .type = QEMU_OPT_NUMBER,
456 },
457 {
458 .name = "maxmem",
459 .type = QEMU_OPT_SIZE,
460 },
461 { /* end of list */ }
462 },
463 };
464
465 static QemuOptsList qemu_icount_opts = {
466 .name = "icount",
467 .implied_opt_name = "shift",
468 .merge_lists = true,
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
470 .desc = {
471 {
472 .name = "shift",
473 .type = QEMU_OPT_STRING,
474 }, {
475 .name = "align",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 },
494 { /* end of list */ }
495 },
496 };
497
498 /**
499 * Get machine options
500 *
501 * Returns: machine options (never null).
502 */
503 QemuOpts *qemu_get_machine_opts(void)
504 {
505 return qemu_find_opts_singleton("machine");
506 }
507
508 const char *qemu_get_vm_name(void)
509 {
510 return qemu_name;
511 }
512
513 static void res_free(void)
514 {
515 if (boot_splash_filedata != NULL) {
516 g_free(boot_splash_filedata);
517 boot_splash_filedata = NULL;
518 }
519 }
520
521 static int default_driver_check(QemuOpts *opts, void *opaque)
522 {
523 const char *driver = qemu_opt_get(opts, "driver");
524 int i;
525
526 if (!driver)
527 return 0;
528 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
529 if (strcmp(default_list[i].driver, driver) != 0)
530 continue;
531 *(default_list[i].flag) = 0;
532 }
533 return 0;
534 }
535
536 /***********************************************************/
537 /* QEMU state */
538
539 static RunState current_run_state = RUN_STATE_PRELAUNCH;
540
541 /* We use RUN_STATE_MAX but any invalid value will do */
542 static RunState vmstop_requested = RUN_STATE_MAX;
543 static QemuMutex vmstop_lock;
544
545 typedef struct {
546 RunState from;
547 RunState to;
548 } RunStateTransition;
549
550 static const RunStateTransition runstate_transitions_def[] = {
551 /* from -> to */
552 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
553 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
554
555 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
556 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
557
558 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
559 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
560
561 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
562 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
563
564 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
565 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
566
567 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
568 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
569
570 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
571 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
573
574 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
575 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
576
577 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
578
579 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
580 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
582 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
583 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
585 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
586 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
587 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
588 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
589
590 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
591
592 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
593 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
596 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
597 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
598 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
601 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
604 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_MAX, RUN_STATE_MAX },
607 };
608
609 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
610
611 bool runstate_check(RunState state)
612 {
613 return current_run_state == state;
614 }
615
616 static void runstate_init(void)
617 {
618 const RunStateTransition *p;
619
620 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
621 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
622 runstate_valid_transitions[p->from][p->to] = true;
623 }
624
625 qemu_mutex_init(&vmstop_lock);
626 }
627
628 /* This function will abort() on invalid state transitions */
629 void runstate_set(RunState new_state)
630 {
631 assert(new_state < RUN_STATE_MAX);
632
633 if (!runstate_valid_transitions[current_run_state][new_state]) {
634 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
635 RunState_lookup[current_run_state],
636 RunState_lookup[new_state]);
637 abort();
638 }
639 trace_runstate_set(new_state);
640 current_run_state = new_state;
641 }
642
643 int runstate_is_running(void)
644 {
645 return runstate_check(RUN_STATE_RUNNING);
646 }
647
648 bool runstate_needs_reset(void)
649 {
650 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
651 runstate_check(RUN_STATE_SHUTDOWN);
652 }
653
654 StatusInfo *qmp_query_status(Error **errp)
655 {
656 StatusInfo *info = g_malloc0(sizeof(*info));
657
658 info->running = runstate_is_running();
659 info->singlestep = singlestep;
660 info->status = current_run_state;
661
662 return info;
663 }
664
665 static bool qemu_vmstop_requested(RunState *r)
666 {
667 qemu_mutex_lock(&vmstop_lock);
668 *r = vmstop_requested;
669 vmstop_requested = RUN_STATE_MAX;
670 qemu_mutex_unlock(&vmstop_lock);
671 return *r < RUN_STATE_MAX;
672 }
673
674 void qemu_system_vmstop_request_prepare(void)
675 {
676 qemu_mutex_lock(&vmstop_lock);
677 }
678
679 void qemu_system_vmstop_request(RunState state)
680 {
681 vmstop_requested = state;
682 qemu_mutex_unlock(&vmstop_lock);
683 qemu_notify_event();
684 }
685
686 void vm_start(void)
687 {
688 RunState requested;
689
690 qemu_vmstop_requested(&requested);
691 if (runstate_is_running() && requested == RUN_STATE_MAX) {
692 return;
693 }
694
695 /* Ensure that a STOP/RESUME pair of events is emitted if a
696 * vmstop request was pending. The BLOCK_IO_ERROR event, for
697 * example, according to documentation is always followed by
698 * the STOP event.
699 */
700 if (runstate_is_running()) {
701 qapi_event_send_stop(&error_abort);
702 } else {
703 cpu_enable_ticks();
704 runstate_set(RUN_STATE_RUNNING);
705 vm_state_notify(1, RUN_STATE_RUNNING);
706 resume_all_vcpus();
707 }
708
709 qapi_event_send_resume(&error_abort);
710 }
711
712
713 /***********************************************************/
714 /* real time host monotonic timer */
715
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
719 {
720 time_t ti;
721
722 time(&ti);
723 ti += offset;
724 if (rtc_date_offset == -1) {
725 if (rtc_utc)
726 gmtime_r(&ti, tm);
727 else
728 localtime_r(&ti, tm);
729 } else {
730 ti -= rtc_date_offset;
731 gmtime_r(&ti, tm);
732 }
733 }
734
735 int qemu_timedate_diff(struct tm *tm)
736 {
737 time_t seconds;
738
739 if (rtc_date_offset == -1)
740 if (rtc_utc)
741 seconds = mktimegm(tm);
742 else {
743 struct tm tmp = *tm;
744 tmp.tm_isdst = -1; /* use timezone to figure it out */
745 seconds = mktime(&tmp);
746 }
747 else
748 seconds = mktimegm(tm) + rtc_date_offset;
749
750 return seconds - time(NULL);
751 }
752
753 static void configure_rtc_date_offset(const char *startdate, int legacy)
754 {
755 time_t rtc_start_date;
756 struct tm tm;
757
758 if (!strcmp(startdate, "now") && legacy) {
759 rtc_date_offset = -1;
760 } else {
761 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
762 &tm.tm_year,
763 &tm.tm_mon,
764 &tm.tm_mday,
765 &tm.tm_hour,
766 &tm.tm_min,
767 &tm.tm_sec) == 6) {
768 /* OK */
769 } else if (sscanf(startdate, "%d-%d-%d",
770 &tm.tm_year,
771 &tm.tm_mon,
772 &tm.tm_mday) == 3) {
773 tm.tm_hour = 0;
774 tm.tm_min = 0;
775 tm.tm_sec = 0;
776 } else {
777 goto date_fail;
778 }
779 tm.tm_year -= 1900;
780 tm.tm_mon--;
781 rtc_start_date = mktimegm(&tm);
782 if (rtc_start_date == -1) {
783 date_fail:
784 fprintf(stderr, "Invalid date format. Valid formats are:\n"
785 "'2006-06-17T16:01:21' or '2006-06-17'\n");
786 exit(1);
787 }
788 rtc_date_offset = time(NULL) - rtc_start_date;
789 }
790 }
791
792 static void configure_rtc(QemuOpts *opts)
793 {
794 const char *value;
795
796 value = qemu_opt_get(opts, "base");
797 if (value) {
798 if (!strcmp(value, "utc")) {
799 rtc_utc = 1;
800 } else if (!strcmp(value, "localtime")) {
801 rtc_utc = 0;
802 } else {
803 configure_rtc_date_offset(value, 0);
804 }
805 }
806 value = qemu_opt_get(opts, "clock");
807 if (value) {
808 if (!strcmp(value, "host")) {
809 rtc_clock = QEMU_CLOCK_HOST;
810 } else if (!strcmp(value, "rt")) {
811 rtc_clock = QEMU_CLOCK_REALTIME;
812 } else if (!strcmp(value, "vm")) {
813 rtc_clock = QEMU_CLOCK_VIRTUAL;
814 } else {
815 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
816 exit(1);
817 }
818 }
819 value = qemu_opt_get(opts, "driftfix");
820 if (value) {
821 if (!strcmp(value, "slew")) {
822 static GlobalProperty slew_lost_ticks[] = {
823 {
824 .driver = "mc146818rtc",
825 .property = "lost_tick_policy",
826 .value = "slew",
827 },
828 { /* end of list */ }
829 };
830
831 qdev_prop_register_global_list(slew_lost_ticks);
832 } else if (!strcmp(value, "none")) {
833 /* discard is default */
834 } else {
835 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
836 exit(1);
837 }
838 }
839 }
840
841 /***********************************************************/
842 /* Bluetooth support */
843 static int nb_hcis;
844 static int cur_hci;
845 static struct HCIInfo *hci_table[MAX_NICS];
846
847 struct HCIInfo *qemu_next_hci(void)
848 {
849 if (cur_hci == nb_hcis)
850 return &null_hci;
851
852 return hci_table[cur_hci++];
853 }
854
855 static int bt_hci_parse(const char *str)
856 {
857 struct HCIInfo *hci;
858 bdaddr_t bdaddr;
859
860 if (nb_hcis >= MAX_NICS) {
861 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
862 return -1;
863 }
864
865 hci = hci_init(str);
866 if (!hci)
867 return -1;
868
869 bdaddr.b[0] = 0x52;
870 bdaddr.b[1] = 0x54;
871 bdaddr.b[2] = 0x00;
872 bdaddr.b[3] = 0x12;
873 bdaddr.b[4] = 0x34;
874 bdaddr.b[5] = 0x56 + nb_hcis;
875 hci->bdaddr_set(hci, bdaddr.b);
876
877 hci_table[nb_hcis++] = hci;
878
879 return 0;
880 }
881
882 static void bt_vhci_add(int vlan_id)
883 {
884 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
885
886 if (!vlan->slave)
887 fprintf(stderr, "qemu: warning: adding a VHCI to "
888 "an empty scatternet %i\n", vlan_id);
889
890 bt_vhci_init(bt_new_hci(vlan));
891 }
892
893 static struct bt_device_s *bt_device_add(const char *opt)
894 {
895 struct bt_scatternet_s *vlan;
896 int vlan_id = 0;
897 char *endp = strstr(opt, ",vlan=");
898 int len = (endp ? endp - opt : strlen(opt)) + 1;
899 char devname[10];
900
901 pstrcpy(devname, MIN(sizeof(devname), len), opt);
902
903 if (endp) {
904 vlan_id = strtol(endp + 6, &endp, 0);
905 if (*endp) {
906 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
907 return 0;
908 }
909 }
910
911 vlan = qemu_find_bt_vlan(vlan_id);
912
913 if (!vlan->slave)
914 fprintf(stderr, "qemu: warning: adding a slave device to "
915 "an empty scatternet %i\n", vlan_id);
916
917 if (!strcmp(devname, "keyboard"))
918 return bt_keyboard_init(vlan);
919
920 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
921 return 0;
922 }
923
924 static int bt_parse(const char *opt)
925 {
926 const char *endp, *p;
927 int vlan;
928
929 if (strstart(opt, "hci", &endp)) {
930 if (!*endp || *endp == ',') {
931 if (*endp)
932 if (!strstart(endp, ",vlan=", 0))
933 opt = endp + 1;
934
935 return bt_hci_parse(opt);
936 }
937 } else if (strstart(opt, "vhci", &endp)) {
938 if (!*endp || *endp == ',') {
939 if (*endp) {
940 if (strstart(endp, ",vlan=", &p)) {
941 vlan = strtol(p, (char **) &endp, 0);
942 if (*endp) {
943 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
944 return 1;
945 }
946 } else {
947 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
948 return 1;
949 }
950 } else
951 vlan = 0;
952
953 bt_vhci_add(vlan);
954 return 0;
955 }
956 } else if (strstart(opt, "device:", &endp))
957 return !bt_device_add(endp);
958
959 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
960 return 1;
961 }
962
963 static int parse_sandbox(QemuOpts *opts, void *opaque)
964 {
965 /* FIXME: change this to true for 1.3 */
966 if (qemu_opt_get_bool(opts, "enable", false)) {
967 #ifdef CONFIG_SECCOMP
968 if (seccomp_start() < 0) {
969 qerror_report(ERROR_CLASS_GENERIC_ERROR,
970 "failed to install seccomp syscall filter in the kernel");
971 return -1;
972 }
973 #else
974 qerror_report(ERROR_CLASS_GENERIC_ERROR,
975 "sandboxing request but seccomp is not compiled into this build");
976 return -1;
977 #endif
978 }
979
980 return 0;
981 }
982
983 static int parse_name(QemuOpts *opts, void *opaque)
984 {
985 const char *proc_name;
986
987 if (qemu_opt_get(opts, "debug-threads")) {
988 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
989 }
990 qemu_name = qemu_opt_get(opts, "guest");
991
992 proc_name = qemu_opt_get(opts, "process");
993 if (proc_name) {
994 os_set_proc_name(proc_name);
995 }
996
997 return 0;
998 }
999
1000 bool defaults_enabled(void)
1001 {
1002 return has_defaults;
1003 }
1004
1005 bool usb_enabled(void)
1006 {
1007 return machine_usb(current_machine);
1008 }
1009
1010 #ifndef _WIN32
1011 static int parse_add_fd(QemuOpts *opts, void *opaque)
1012 {
1013 int fd, dupfd, flags;
1014 int64_t fdset_id;
1015 const char *fd_opaque = NULL;
1016
1017 fd = qemu_opt_get_number(opts, "fd", -1);
1018 fdset_id = qemu_opt_get_number(opts, "set", -1);
1019 fd_opaque = qemu_opt_get(opts, "opaque");
1020
1021 if (fd < 0) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd option is required and must be non-negative");
1024 return -1;
1025 }
1026
1027 if (fd <= STDERR_FILENO) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "fd cannot be a standard I/O stream");
1030 return -1;
1031 }
1032
1033 /*
1034 * All fds inherited across exec() necessarily have FD_CLOEXEC
1035 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1036 */
1037 flags = fcntl(fd, F_GETFD);
1038 if (flags == -1 || (flags & FD_CLOEXEC)) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "fd is not valid or already in use");
1041 return -1;
1042 }
1043
1044 if (fdset_id < 0) {
1045 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1046 "set option is required and must be non-negative");
1047 return -1;
1048 }
1049
1050 #ifdef F_DUPFD_CLOEXEC
1051 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1052 #else
1053 dupfd = dup(fd);
1054 if (dupfd != -1) {
1055 qemu_set_cloexec(dupfd);
1056 }
1057 #endif
1058 if (dupfd == -1) {
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1060 "Error duplicating fd: %s", strerror(errno));
1061 return -1;
1062 }
1063
1064 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1065 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1066 fd_opaque, NULL);
1067
1068 return 0;
1069 }
1070
1071 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1072 {
1073 int fd;
1074
1075 fd = qemu_opt_get_number(opts, "fd", -1);
1076 close(fd);
1077
1078 return 0;
1079 }
1080 #endif
1081
1082 /***********************************************************/
1083 /* QEMU Block devices */
1084
1085 #define HD_OPTS "media=disk"
1086 #define CDROM_OPTS "media=cdrom"
1087 #define FD_OPTS ""
1088 #define PFLASH_OPTS ""
1089 #define MTD_OPTS ""
1090 #define SD_OPTS ""
1091
1092 static int drive_init_func(QemuOpts *opts, void *opaque)
1093 {
1094 BlockInterfaceType *block_default_type = opaque;
1095
1096 return drive_new(opts, *block_default_type) == NULL;
1097 }
1098
1099 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1100 {
1101 if (qemu_opt_get(opts, "snapshot") == NULL) {
1102 qemu_opt_set(opts, "snapshot", "on");
1103 }
1104 return 0;
1105 }
1106
1107 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1108 int index, const char *optstr)
1109 {
1110 QemuOpts *opts;
1111 DriveInfo *dinfo;
1112
1113 if (!enable || drive_get_by_index(type, index)) {
1114 return;
1115 }
1116
1117 opts = drive_add(type, index, NULL, optstr);
1118 if (snapshot) {
1119 drive_enable_snapshot(opts, NULL);
1120 }
1121
1122 dinfo = drive_new(opts, type);
1123 if (!dinfo) {
1124 exit(1);
1125 }
1126 dinfo->is_default = true;
1127
1128 }
1129
1130 static QemuOptsList qemu_smp_opts = {
1131 .name = "smp-opts",
1132 .implied_opt_name = "cpus",
1133 .merge_lists = true,
1134 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1135 .desc = {
1136 {
1137 .name = "cpus",
1138 .type = QEMU_OPT_NUMBER,
1139 }, {
1140 .name = "sockets",
1141 .type = QEMU_OPT_NUMBER,
1142 }, {
1143 .name = "cores",
1144 .type = QEMU_OPT_NUMBER,
1145 }, {
1146 .name = "threads",
1147 .type = QEMU_OPT_NUMBER,
1148 }, {
1149 .name = "maxcpus",
1150 .type = QEMU_OPT_NUMBER,
1151 },
1152 { /*End of list */ }
1153 },
1154 };
1155
1156 static void smp_parse(QemuOpts *opts)
1157 {
1158 if (opts) {
1159
1160 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1161 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1162 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1163 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1164
1165 /* compute missing values, prefer sockets over cores over threads */
1166 if (cpus == 0 || sockets == 0) {
1167 sockets = sockets > 0 ? sockets : 1;
1168 cores = cores > 0 ? cores : 1;
1169 threads = threads > 0 ? threads : 1;
1170 if (cpus == 0) {
1171 cpus = cores * threads * sockets;
1172 }
1173 } else if (cores == 0) {
1174 threads = threads > 0 ? threads : 1;
1175 cores = cpus / (sockets * threads);
1176 } else if (threads == 0) {
1177 threads = cpus / (cores * sockets);
1178 } else if (sockets * cores * threads < cpus) {
1179 fprintf(stderr, "cpu topology: error: "
1180 "sockets (%u) * cores (%u) * threads (%u) < "
1181 "smp_cpus (%u)\n",
1182 sockets, cores, threads, cpus);
1183 exit(1);
1184 }
1185
1186 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1187
1188 smp_cpus = cpus;
1189 smp_cores = cores > 0 ? cores : 1;
1190 smp_threads = threads > 0 ? threads : 1;
1191
1192 }
1193
1194 if (max_cpus == 0) {
1195 max_cpus = smp_cpus;
1196 }
1197
1198 if (max_cpus > MAX_CPUMASK_BITS) {
1199 fprintf(stderr, "Unsupported number of maxcpus\n");
1200 exit(1);
1201 }
1202 if (max_cpus < smp_cpus) {
1203 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1204 exit(1);
1205 }
1206
1207 }
1208
1209 static void realtime_init(void)
1210 {
1211 if (enable_mlock) {
1212 if (os_mlock() < 0) {
1213 fprintf(stderr, "qemu: locking memory failed\n");
1214 exit(1);
1215 }
1216 }
1217 }
1218
1219
1220 static void configure_msg(QemuOpts *opts)
1221 {
1222 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1223 }
1224
1225 /***********************************************************/
1226 /* USB devices */
1227
1228 static int usb_device_add(const char *devname)
1229 {
1230 USBDevice *dev = NULL;
1231 #ifndef CONFIG_LINUX
1232 const char *p;
1233 #endif
1234
1235 if (!usb_enabled()) {
1236 return -1;
1237 }
1238
1239 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1240 dev = usbdevice_create(devname);
1241 if (dev)
1242 goto done;
1243
1244 /* the other ones */
1245 #ifndef CONFIG_LINUX
1246 /* only the linux version is qdev-ified, usb-bsd still needs this */
1247 if (strstart(devname, "host:", &p)) {
1248 dev = usb_host_device_open(usb_bus_find(-1), p);
1249 }
1250 #endif
1251 if (!dev)
1252 return -1;
1253
1254 done:
1255 return 0;
1256 }
1257
1258 static int usb_device_del(const char *devname)
1259 {
1260 int bus_num, addr;
1261 const char *p;
1262
1263 if (strstart(devname, "host:", &p)) {
1264 return -1;
1265 }
1266
1267 if (!usb_enabled()) {
1268 return -1;
1269 }
1270
1271 p = strchr(devname, '.');
1272 if (!p)
1273 return -1;
1274 bus_num = strtoul(devname, NULL, 0);
1275 addr = strtoul(p + 1, NULL, 0);
1276
1277 return usb_device_delete_addr(bus_num, addr);
1278 }
1279
1280 static int usb_parse(const char *cmdline)
1281 {
1282 int r;
1283 r = usb_device_add(cmdline);
1284 if (r < 0) {
1285 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1286 }
1287 return r;
1288 }
1289
1290 void do_usb_add(Monitor *mon, const QDict *qdict)
1291 {
1292 const char *devname = qdict_get_str(qdict, "devname");
1293 if (usb_device_add(devname) < 0) {
1294 error_report("could not add USB device '%s'", devname);
1295 }
1296 }
1297
1298 void do_usb_del(Monitor *mon, const QDict *qdict)
1299 {
1300 const char *devname = qdict_get_str(qdict, "devname");
1301 if (usb_device_del(devname) < 0) {
1302 error_report("could not delete USB device '%s'", devname);
1303 }
1304 }
1305
1306 /***********************************************************/
1307 /* machine registration */
1308
1309 MachineState *current_machine;
1310
1311 static void machine_class_init(ObjectClass *oc, void *data)
1312 {
1313 MachineClass *mc = MACHINE_CLASS(oc);
1314 QEMUMachine *qm = data;
1315
1316 mc->family = qm->family;
1317 mc->name = qm->name;
1318 mc->alias = qm->alias;
1319 mc->desc = qm->desc;
1320 mc->init = qm->init;
1321 mc->reset = qm->reset;
1322 mc->hot_add_cpu = qm->hot_add_cpu;
1323 mc->kvm_type = qm->kvm_type;
1324 mc->block_default_type = qm->block_default_type;
1325 mc->units_per_default_bus = qm->units_per_default_bus;
1326 mc->max_cpus = qm->max_cpus;
1327 mc->no_serial = qm->no_serial;
1328 mc->no_parallel = qm->no_parallel;
1329 mc->use_virtcon = qm->use_virtcon;
1330 mc->use_sclp = qm->use_sclp;
1331 mc->no_floppy = qm->no_floppy;
1332 mc->no_cdrom = qm->no_cdrom;
1333 mc->no_sdcard = qm->no_sdcard;
1334 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1335 mc->is_default = qm->is_default;
1336 mc->default_machine_opts = qm->default_machine_opts;
1337 mc->default_boot_order = qm->default_boot_order;
1338 mc->default_display = qm->default_display;
1339 mc->compat_props = qm->compat_props;
1340 mc->hw_version = qm->hw_version;
1341 }
1342
1343 int qemu_register_machine(QEMUMachine *m)
1344 {
1345 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1346 TypeInfo ti = {
1347 .name = name,
1348 .parent = TYPE_MACHINE,
1349 .class_init = machine_class_init,
1350 .class_data = (void *)m,
1351 };
1352
1353 type_register(&ti);
1354 g_free(name);
1355
1356 return 0;
1357 }
1358
1359 static MachineClass *find_machine(const char *name)
1360 {
1361 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1362 MachineClass *mc = NULL;
1363
1364 for (el = machines; el; el = el->next) {
1365 MachineClass *temp = el->data;
1366
1367 if (!strcmp(temp->name, name)) {
1368 mc = temp;
1369 break;
1370 }
1371 if (temp->alias &&
1372 !strcmp(temp->alias, name)) {
1373 mc = temp;
1374 break;
1375 }
1376 }
1377
1378 g_slist_free(machines);
1379 return mc;
1380 }
1381
1382 MachineClass *find_default_machine(void)
1383 {
1384 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1385 MachineClass *mc = NULL;
1386
1387 for (el = machines; el; el = el->next) {
1388 MachineClass *temp = el->data;
1389
1390 if (temp->is_default) {
1391 mc = temp;
1392 break;
1393 }
1394 }
1395
1396 g_slist_free(machines);
1397 return mc;
1398 }
1399
1400 MachineInfoList *qmp_query_machines(Error **errp)
1401 {
1402 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1403 MachineInfoList *mach_list = NULL;
1404
1405 for (el = machines; el; el = el->next) {
1406 MachineClass *mc = el->data;
1407 MachineInfoList *entry;
1408 MachineInfo *info;
1409
1410 info = g_malloc0(sizeof(*info));
1411 if (mc->is_default) {
1412 info->has_is_default = true;
1413 info->is_default = true;
1414 }
1415
1416 if (mc->alias) {
1417 info->has_alias = true;
1418 info->alias = g_strdup(mc->alias);
1419 }
1420
1421 info->name = g_strdup(mc->name);
1422 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1423
1424 entry = g_malloc0(sizeof(*entry));
1425 entry->value = info;
1426 entry->next = mach_list;
1427 mach_list = entry;
1428 }
1429
1430 g_slist_free(machines);
1431 return mach_list;
1432 }
1433
1434 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1435 {
1436 ObjectProperty *prop;
1437
1438 if (!qemu_opt_has_help_opt(opts)) {
1439 return 0;
1440 }
1441
1442 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1443 if (!prop->set) {
1444 continue;
1445 }
1446
1447 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1448 prop->name, prop->type);
1449 if (prop->description) {
1450 error_printf(" (%s)\n", prop->description);
1451 } else {
1452 error_printf("\n");
1453 }
1454 }
1455
1456 return 1;
1457 }
1458
1459 /***********************************************************/
1460 /* main execution loop */
1461
1462 struct vm_change_state_entry {
1463 VMChangeStateHandler *cb;
1464 void *opaque;
1465 QLIST_ENTRY (vm_change_state_entry) entries;
1466 };
1467
1468 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1469
1470 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1471 void *opaque)
1472 {
1473 VMChangeStateEntry *e;
1474
1475 e = g_malloc0(sizeof (*e));
1476
1477 e->cb = cb;
1478 e->opaque = opaque;
1479 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1480 return e;
1481 }
1482
1483 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1484 {
1485 QLIST_REMOVE (e, entries);
1486 g_free (e);
1487 }
1488
1489 void vm_state_notify(int running, RunState state)
1490 {
1491 VMChangeStateEntry *e, *next;
1492
1493 trace_vm_state_notify(running, state);
1494
1495 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1496 e->cb(e->opaque, running, state);
1497 }
1498 }
1499
1500 /* reset/shutdown handler */
1501
1502 typedef struct QEMUResetEntry {
1503 QTAILQ_ENTRY(QEMUResetEntry) entry;
1504 QEMUResetHandler *func;
1505 void *opaque;
1506 } QEMUResetEntry;
1507
1508 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1509 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1510 static int reset_requested;
1511 static int shutdown_requested, shutdown_signal = -1;
1512 static pid_t shutdown_pid;
1513 static int powerdown_requested;
1514 static int debug_requested;
1515 static int suspend_requested;
1516 static WakeupReason wakeup_reason;
1517 static NotifierList powerdown_notifiers =
1518 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1519 static NotifierList suspend_notifiers =
1520 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1521 static NotifierList wakeup_notifiers =
1522 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1523 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1524
1525 int qemu_shutdown_requested_get(void)
1526 {
1527 return shutdown_requested;
1528 }
1529
1530 int qemu_reset_requested_get(void)
1531 {
1532 return reset_requested;
1533 }
1534
1535 static int qemu_shutdown_requested(void)
1536 {
1537 return atomic_xchg(&shutdown_requested, 0);
1538 }
1539
1540 static void qemu_kill_report(void)
1541 {
1542 if (!qtest_driver() && shutdown_signal != -1) {
1543 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1544 if (shutdown_pid == 0) {
1545 /* This happens for eg ^C at the terminal, so it's worth
1546 * avoiding printing an odd message in that case.
1547 */
1548 fputc('\n', stderr);
1549 } else {
1550 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1551 }
1552 shutdown_signal = -1;
1553 }
1554 }
1555
1556 static int qemu_reset_requested(void)
1557 {
1558 int r = reset_requested;
1559 reset_requested = 0;
1560 return r;
1561 }
1562
1563 static int qemu_suspend_requested(void)
1564 {
1565 int r = suspend_requested;
1566 suspend_requested = 0;
1567 return r;
1568 }
1569
1570 static WakeupReason qemu_wakeup_requested(void)
1571 {
1572 return wakeup_reason;
1573 }
1574
1575 static int qemu_powerdown_requested(void)
1576 {
1577 int r = powerdown_requested;
1578 powerdown_requested = 0;
1579 return r;
1580 }
1581
1582 static int qemu_debug_requested(void)
1583 {
1584 int r = debug_requested;
1585 debug_requested = 0;
1586 return r;
1587 }
1588
1589 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1590 {
1591 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1592
1593 re->func = func;
1594 re->opaque = opaque;
1595 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1596 }
1597
1598 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1599 {
1600 QEMUResetEntry *re;
1601
1602 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1603 if (re->func == func && re->opaque == opaque) {
1604 QTAILQ_REMOVE(&reset_handlers, re, entry);
1605 g_free(re);
1606 return;
1607 }
1608 }
1609 }
1610
1611 void qemu_devices_reset(void)
1612 {
1613 QEMUResetEntry *re, *nre;
1614
1615 /* reset all devices */
1616 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1617 re->func(re->opaque);
1618 }
1619 }
1620
1621 void qemu_system_reset(bool report)
1622 {
1623 MachineClass *mc;
1624
1625 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1626
1627 if (mc && mc->reset) {
1628 mc->reset();
1629 } else {
1630 qemu_devices_reset();
1631 }
1632 if (report) {
1633 qapi_event_send_reset(&error_abort);
1634 }
1635 cpu_synchronize_all_post_reset();
1636 }
1637
1638 void qemu_system_reset_request(void)
1639 {
1640 if (no_reboot) {
1641 shutdown_requested = 1;
1642 } else {
1643 reset_requested = 1;
1644 }
1645 cpu_stop_current();
1646 qemu_notify_event();
1647 }
1648
1649 static void qemu_system_suspend(void)
1650 {
1651 pause_all_vcpus();
1652 notifier_list_notify(&suspend_notifiers, NULL);
1653 runstate_set(RUN_STATE_SUSPENDED);
1654 qapi_event_send_suspend(&error_abort);
1655 }
1656
1657 void qemu_system_suspend_request(void)
1658 {
1659 if (runstate_check(RUN_STATE_SUSPENDED)) {
1660 return;
1661 }
1662 suspend_requested = 1;
1663 cpu_stop_current();
1664 qemu_notify_event();
1665 }
1666
1667 void qemu_register_suspend_notifier(Notifier *notifier)
1668 {
1669 notifier_list_add(&suspend_notifiers, notifier);
1670 }
1671
1672 void qemu_system_wakeup_request(WakeupReason reason)
1673 {
1674 trace_system_wakeup_request(reason);
1675
1676 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1677 return;
1678 }
1679 if (!(wakeup_reason_mask & (1 << reason))) {
1680 return;
1681 }
1682 runstate_set(RUN_STATE_RUNNING);
1683 wakeup_reason = reason;
1684 qemu_notify_event();
1685 }
1686
1687 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1688 {
1689 if (enabled) {
1690 wakeup_reason_mask |= (1 << reason);
1691 } else {
1692 wakeup_reason_mask &= ~(1 << reason);
1693 }
1694 }
1695
1696 void qemu_register_wakeup_notifier(Notifier *notifier)
1697 {
1698 notifier_list_add(&wakeup_notifiers, notifier);
1699 }
1700
1701 void qemu_system_killed(int signal, pid_t pid)
1702 {
1703 shutdown_signal = signal;
1704 shutdown_pid = pid;
1705 no_shutdown = 0;
1706 qemu_system_shutdown_request();
1707 }
1708
1709 void qemu_system_shutdown_request(void)
1710 {
1711 trace_qemu_system_shutdown_request();
1712 shutdown_requested = 1;
1713 qemu_notify_event();
1714 }
1715
1716 static void qemu_system_powerdown(void)
1717 {
1718 qapi_event_send_powerdown(&error_abort);
1719 notifier_list_notify(&powerdown_notifiers, NULL);
1720 }
1721
1722 void qemu_system_powerdown_request(void)
1723 {
1724 trace_qemu_system_powerdown_request();
1725 powerdown_requested = 1;
1726 qemu_notify_event();
1727 }
1728
1729 void qemu_register_powerdown_notifier(Notifier *notifier)
1730 {
1731 notifier_list_add(&powerdown_notifiers, notifier);
1732 }
1733
1734 void qemu_system_debug_request(void)
1735 {
1736 debug_requested = 1;
1737 qemu_notify_event();
1738 }
1739
1740 static bool main_loop_should_exit(void)
1741 {
1742 RunState r;
1743 if (qemu_debug_requested()) {
1744 vm_stop(RUN_STATE_DEBUG);
1745 }
1746 if (qemu_suspend_requested()) {
1747 qemu_system_suspend();
1748 }
1749 if (qemu_shutdown_requested()) {
1750 qemu_kill_report();
1751 qapi_event_send_shutdown(&error_abort);
1752 if (no_shutdown) {
1753 vm_stop(RUN_STATE_SHUTDOWN);
1754 } else {
1755 return true;
1756 }
1757 }
1758 if (qemu_reset_requested()) {
1759 pause_all_vcpus();
1760 cpu_synchronize_all_states();
1761 qemu_system_reset(VMRESET_REPORT);
1762 resume_all_vcpus();
1763 if (runstate_needs_reset()) {
1764 runstate_set(RUN_STATE_PAUSED);
1765 }
1766 }
1767 if (qemu_wakeup_requested()) {
1768 pause_all_vcpus();
1769 cpu_synchronize_all_states();
1770 qemu_system_reset(VMRESET_SILENT);
1771 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1772 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1773 resume_all_vcpus();
1774 qapi_event_send_wakeup(&error_abort);
1775 }
1776 if (qemu_powerdown_requested()) {
1777 qemu_system_powerdown();
1778 }
1779 if (qemu_vmstop_requested(&r)) {
1780 vm_stop(r);
1781 }
1782 return false;
1783 }
1784
1785 static void main_loop(void)
1786 {
1787 bool nonblocking;
1788 int last_io = 0;
1789 #ifdef CONFIG_PROFILER
1790 int64_t ti;
1791 #endif
1792 do {
1793 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1794 #ifdef CONFIG_PROFILER
1795 ti = profile_getclock();
1796 #endif
1797 last_io = main_loop_wait(nonblocking);
1798 #ifdef CONFIG_PROFILER
1799 dev_time += profile_getclock() - ti;
1800 #endif
1801 } while (!main_loop_should_exit());
1802 }
1803
1804 static void version(void)
1805 {
1806 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1807 }
1808
1809 static void help(int exitcode)
1810 {
1811 version();
1812 printf("usage: %s [options] [disk_image]\n\n"
1813 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1814 error_get_progname());
1815
1816 #define QEMU_OPTIONS_GENERATE_HELP
1817 #include "qemu-options-wrapper.h"
1818
1819 printf("\nDuring emulation, the following keys are useful:\n"
1820 "ctrl-alt-f toggle full screen\n"
1821 "ctrl-alt-n switch to virtual console 'n'\n"
1822 "ctrl-alt toggle mouse and keyboard grab\n"
1823 "\n"
1824 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1825
1826 exit(exitcode);
1827 }
1828
1829 #define HAS_ARG 0x0001
1830
1831 typedef struct QEMUOption {
1832 const char *name;
1833 int flags;
1834 int index;
1835 uint32_t arch_mask;
1836 } QEMUOption;
1837
1838 static const QEMUOption qemu_options[] = {
1839 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1840 #define QEMU_OPTIONS_GENERATE_OPTIONS
1841 #include "qemu-options-wrapper.h"
1842 { NULL },
1843 };
1844
1845 static bool vga_available(void)
1846 {
1847 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1848 }
1849
1850 static bool cirrus_vga_available(void)
1851 {
1852 return object_class_by_name("cirrus-vga")
1853 || object_class_by_name("isa-cirrus-vga");
1854 }
1855
1856 static bool vmware_vga_available(void)
1857 {
1858 return object_class_by_name("vmware-svga");
1859 }
1860
1861 static bool qxl_vga_available(void)
1862 {
1863 return object_class_by_name("qxl-vga");
1864 }
1865
1866 static bool tcx_vga_available(void)
1867 {
1868 return object_class_by_name("SUNW,tcx");
1869 }
1870
1871 static bool cg3_vga_available(void)
1872 {
1873 return object_class_by_name("cgthree");
1874 }
1875
1876 static void select_vgahw (const char *p)
1877 {
1878 const char *opts;
1879
1880 assert(vga_interface_type == VGA_NONE);
1881 if (strstart(p, "std", &opts)) {
1882 if (vga_available()) {
1883 vga_interface_type = VGA_STD;
1884 } else {
1885 fprintf(stderr, "Error: standard VGA not available\n");
1886 exit(0);
1887 }
1888 } else if (strstart(p, "cirrus", &opts)) {
1889 if (cirrus_vga_available()) {
1890 vga_interface_type = VGA_CIRRUS;
1891 } else {
1892 fprintf(stderr, "Error: Cirrus VGA not available\n");
1893 exit(0);
1894 }
1895 } else if (strstart(p, "vmware", &opts)) {
1896 if (vmware_vga_available()) {
1897 vga_interface_type = VGA_VMWARE;
1898 } else {
1899 fprintf(stderr, "Error: VMWare SVGA not available\n");
1900 exit(0);
1901 }
1902 } else if (strstart(p, "xenfb", &opts)) {
1903 vga_interface_type = VGA_XENFB;
1904 } else if (strstart(p, "qxl", &opts)) {
1905 if (qxl_vga_available()) {
1906 vga_interface_type = VGA_QXL;
1907 } else {
1908 fprintf(stderr, "Error: QXL VGA not available\n");
1909 exit(0);
1910 }
1911 } else if (strstart(p, "tcx", &opts)) {
1912 if (tcx_vga_available()) {
1913 vga_interface_type = VGA_TCX;
1914 } else {
1915 fprintf(stderr, "Error: TCX framebuffer not available\n");
1916 exit(0);
1917 }
1918 } else if (strstart(p, "cg3", &opts)) {
1919 if (cg3_vga_available()) {
1920 vga_interface_type = VGA_CG3;
1921 } else {
1922 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1923 exit(0);
1924 }
1925 } else if (!strstart(p, "none", &opts)) {
1926 invalid_vga:
1927 fprintf(stderr, "Unknown vga type: %s\n", p);
1928 exit(1);
1929 }
1930 while (*opts) {
1931 const char *nextopt;
1932
1933 if (strstart(opts, ",retrace=", &nextopt)) {
1934 opts = nextopt;
1935 if (strstart(opts, "dumb", &nextopt))
1936 vga_retrace_method = VGA_RETRACE_DUMB;
1937 else if (strstart(opts, "precise", &nextopt))
1938 vga_retrace_method = VGA_RETRACE_PRECISE;
1939 else goto invalid_vga;
1940 } else goto invalid_vga;
1941 opts = nextopt;
1942 }
1943 }
1944
1945 static DisplayType select_display(const char *p)
1946 {
1947 const char *opts;
1948 DisplayType display = DT_DEFAULT;
1949
1950 if (strstart(p, "sdl", &opts)) {
1951 #ifdef CONFIG_SDL
1952 display = DT_SDL;
1953 while (*opts) {
1954 const char *nextopt;
1955
1956 if (strstart(opts, ",frame=", &nextopt)) {
1957 opts = nextopt;
1958 if (strstart(opts, "on", &nextopt)) {
1959 no_frame = 0;
1960 } else if (strstart(opts, "off", &nextopt)) {
1961 no_frame = 1;
1962 } else {
1963 goto invalid_sdl_args;
1964 }
1965 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1966 opts = nextopt;
1967 if (strstart(opts, "on", &nextopt)) {
1968 alt_grab = 1;
1969 } else if (strstart(opts, "off", &nextopt)) {
1970 alt_grab = 0;
1971 } else {
1972 goto invalid_sdl_args;
1973 }
1974 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1975 opts = nextopt;
1976 if (strstart(opts, "on", &nextopt)) {
1977 ctrl_grab = 1;
1978 } else if (strstart(opts, "off", &nextopt)) {
1979 ctrl_grab = 0;
1980 } else {
1981 goto invalid_sdl_args;
1982 }
1983 } else if (strstart(opts, ",window_close=", &nextopt)) {
1984 opts = nextopt;
1985 if (strstart(opts, "on", &nextopt)) {
1986 no_quit = 0;
1987 } else if (strstart(opts, "off", &nextopt)) {
1988 no_quit = 1;
1989 } else {
1990 goto invalid_sdl_args;
1991 }
1992 } else {
1993 invalid_sdl_args:
1994 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1995 exit(1);
1996 }
1997 opts = nextopt;
1998 }
1999 #else
2000 fprintf(stderr, "SDL support is disabled\n");
2001 exit(1);
2002 #endif
2003 } else if (strstart(p, "vnc", &opts)) {
2004 #ifdef CONFIG_VNC
2005 display_remote++;
2006
2007 if (*opts) {
2008 const char *nextopt;
2009
2010 if (strstart(opts, "=", &nextopt)) {
2011 vnc_display = nextopt;
2012 }
2013 }
2014 if (!vnc_display) {
2015 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2016 exit(1);
2017 }
2018 #else
2019 fprintf(stderr, "VNC support is disabled\n");
2020 exit(1);
2021 #endif
2022 } else if (strstart(p, "curses", &opts)) {
2023 #ifdef CONFIG_CURSES
2024 display = DT_CURSES;
2025 #else
2026 fprintf(stderr, "Curses support is disabled\n");
2027 exit(1);
2028 #endif
2029 } else if (strstart(p, "gtk", &opts)) {
2030 #ifdef CONFIG_GTK
2031 display = DT_GTK;
2032 while (*opts) {
2033 const char *nextopt;
2034
2035 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2036 opts = nextopt;
2037 if (strstart(opts, "on", &nextopt)) {
2038 grab_on_hover = true;
2039 } else if (strstart(opts, "off", &nextopt)) {
2040 grab_on_hover = false;
2041 } else {
2042 goto invalid_gtk_args;
2043 }
2044 } else {
2045 invalid_gtk_args:
2046 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2047 exit(1);
2048 }
2049 opts = nextopt;
2050 }
2051 #else
2052 fprintf(stderr, "GTK support is disabled\n");
2053 exit(1);
2054 #endif
2055 } else if (strstart(p, "none", &opts)) {
2056 display = DT_NONE;
2057 } else {
2058 fprintf(stderr, "Unknown display type: %s\n", p);
2059 exit(1);
2060 }
2061
2062 return display;
2063 }
2064
2065 static int balloon_parse(const char *arg)
2066 {
2067 QemuOpts *opts;
2068
2069 if (strcmp(arg, "none") == 0) {
2070 return 0;
2071 }
2072
2073 if (!strncmp(arg, "virtio", 6)) {
2074 if (arg[6] == ',') {
2075 /* have params -> parse them */
2076 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2077 if (!opts)
2078 return -1;
2079 } else {
2080 /* create empty opts */
2081 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2082 &error_abort);
2083 }
2084 qemu_opt_set(opts, "driver", "virtio-balloon");
2085 return 0;
2086 }
2087
2088 return -1;
2089 }
2090
2091 char *qemu_find_file(int type, const char *name)
2092 {
2093 int i;
2094 const char *subdir;
2095 char *buf;
2096
2097 /* Try the name as a straight path first */
2098 if (access(name, R_OK) == 0) {
2099 trace_load_file(name, name);
2100 return g_strdup(name);
2101 }
2102
2103 switch (type) {
2104 case QEMU_FILE_TYPE_BIOS:
2105 subdir = "";
2106 break;
2107 case QEMU_FILE_TYPE_KEYMAP:
2108 subdir = "keymaps/";
2109 break;
2110 default:
2111 abort();
2112 }
2113
2114 for (i = 0; i < data_dir_idx; i++) {
2115 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2116 if (access(buf, R_OK) == 0) {
2117 trace_load_file(name, buf);
2118 return buf;
2119 }
2120 g_free(buf);
2121 }
2122 return NULL;
2123 }
2124
2125 static int device_help_func(QemuOpts *opts, void *opaque)
2126 {
2127 return qdev_device_help(opts);
2128 }
2129
2130 static int device_init_func(QemuOpts *opts, void *opaque)
2131 {
2132 DeviceState *dev;
2133
2134 dev = qdev_device_add(opts);
2135 if (!dev)
2136 return -1;
2137 object_unref(OBJECT(dev));
2138 return 0;
2139 }
2140
2141 static int chardev_init_func(QemuOpts *opts, void *opaque)
2142 {
2143 Error *local_err = NULL;
2144
2145 qemu_chr_new_from_opts(opts, NULL, &local_err);
2146 if (local_err) {
2147 error_report("%s", error_get_pretty(local_err));
2148 error_free(local_err);
2149 return -1;
2150 }
2151 return 0;
2152 }
2153
2154 #ifdef CONFIG_VIRTFS
2155 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2156 {
2157 int ret;
2158 ret = qemu_fsdev_add(opts);
2159
2160 return ret;
2161 }
2162 #endif
2163
2164 static int mon_init_func(QemuOpts *opts, void *opaque)
2165 {
2166 CharDriverState *chr;
2167 const char *chardev;
2168 const char *mode;
2169 int flags;
2170
2171 mode = qemu_opt_get(opts, "mode");
2172 if (mode == NULL) {
2173 mode = "readline";
2174 }
2175 if (strcmp(mode, "readline") == 0) {
2176 flags = MONITOR_USE_READLINE;
2177 } else if (strcmp(mode, "control") == 0) {
2178 flags = MONITOR_USE_CONTROL;
2179 } else {
2180 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2181 exit(1);
2182 }
2183
2184 if (qemu_opt_get_bool(opts, "pretty", 0))
2185 flags |= MONITOR_USE_PRETTY;
2186
2187 if (qemu_opt_get_bool(opts, "default", 0))
2188 flags |= MONITOR_IS_DEFAULT;
2189
2190 chardev = qemu_opt_get(opts, "chardev");
2191 chr = qemu_chr_find(chardev);
2192 if (chr == NULL) {
2193 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2194 exit(1);
2195 }
2196
2197 qemu_chr_fe_claim_no_fail(chr);
2198 monitor_init(chr, flags);
2199 return 0;
2200 }
2201
2202 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2203 {
2204 static int monitor_device_index = 0;
2205 QemuOpts *opts;
2206 const char *p;
2207 char label[32];
2208 int def = 0;
2209
2210 if (strstart(optarg, "chardev:", &p)) {
2211 snprintf(label, sizeof(label), "%s", p);
2212 } else {
2213 snprintf(label, sizeof(label), "compat_monitor%d",
2214 monitor_device_index);
2215 if (monitor_device_index == 0) {
2216 def = 1;
2217 }
2218 opts = qemu_chr_parse_compat(label, optarg);
2219 if (!opts) {
2220 fprintf(stderr, "parse error: %s\n", optarg);
2221 exit(1);
2222 }
2223 }
2224
2225 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2226 if (!opts) {
2227 fprintf(stderr, "duplicate chardev: %s\n", label);
2228 exit(1);
2229 }
2230 qemu_opt_set(opts, "mode", mode);
2231 qemu_opt_set(opts, "chardev", label);
2232 qemu_opt_set_bool(opts, "pretty", pretty);
2233 if (def)
2234 qemu_opt_set(opts, "default", "on");
2235 monitor_device_index++;
2236 }
2237
2238 struct device_config {
2239 enum {
2240 DEV_USB, /* -usbdevice */
2241 DEV_BT, /* -bt */
2242 DEV_SERIAL, /* -serial */
2243 DEV_PARALLEL, /* -parallel */
2244 DEV_VIRTCON, /* -virtioconsole */
2245 DEV_DEBUGCON, /* -debugcon */
2246 DEV_GDB, /* -gdb, -s */
2247 DEV_SCLP, /* s390 sclp */
2248 } type;
2249 const char *cmdline;
2250 Location loc;
2251 QTAILQ_ENTRY(device_config) next;
2252 };
2253
2254 static QTAILQ_HEAD(, device_config) device_configs =
2255 QTAILQ_HEAD_INITIALIZER(device_configs);
2256
2257 static void add_device_config(int type, const char *cmdline)
2258 {
2259 struct device_config *conf;
2260
2261 conf = g_malloc0(sizeof(*conf));
2262 conf->type = type;
2263 conf->cmdline = cmdline;
2264 loc_save(&conf->loc);
2265 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2266 }
2267
2268 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2269 {
2270 struct device_config *conf;
2271 int rc;
2272
2273 QTAILQ_FOREACH(conf, &device_configs, next) {
2274 if (conf->type != type)
2275 continue;
2276 loc_push_restore(&conf->loc);
2277 rc = func(conf->cmdline);
2278 loc_pop(&conf->loc);
2279 if (rc) {
2280 return rc;
2281 }
2282 }
2283 return 0;
2284 }
2285
2286 static int serial_parse(const char *devname)
2287 {
2288 static int index = 0;
2289 char label[32];
2290
2291 if (strcmp(devname, "none") == 0)
2292 return 0;
2293 if (index == MAX_SERIAL_PORTS) {
2294 fprintf(stderr, "qemu: too many serial ports\n");
2295 exit(1);
2296 }
2297 snprintf(label, sizeof(label), "serial%d", index);
2298 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2299 if (!serial_hds[index]) {
2300 fprintf(stderr, "qemu: could not connect serial device"
2301 " to character backend '%s'\n", devname);
2302 return -1;
2303 }
2304 index++;
2305 return 0;
2306 }
2307
2308 static int parallel_parse(const char *devname)
2309 {
2310 static int index = 0;
2311 char label[32];
2312
2313 if (strcmp(devname, "none") == 0)
2314 return 0;
2315 if (index == MAX_PARALLEL_PORTS) {
2316 fprintf(stderr, "qemu: too many parallel ports\n");
2317 exit(1);
2318 }
2319 snprintf(label, sizeof(label), "parallel%d", index);
2320 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2321 if (!parallel_hds[index]) {
2322 fprintf(stderr, "qemu: could not connect parallel device"
2323 " to character backend '%s'\n", devname);
2324 return -1;
2325 }
2326 index++;
2327 return 0;
2328 }
2329
2330 static int virtcon_parse(const char *devname)
2331 {
2332 QemuOptsList *device = qemu_find_opts("device");
2333 static int index = 0;
2334 char label[32];
2335 QemuOpts *bus_opts, *dev_opts;
2336
2337 if (strcmp(devname, "none") == 0)
2338 return 0;
2339 if (index == MAX_VIRTIO_CONSOLES) {
2340 fprintf(stderr, "qemu: too many virtio consoles\n");
2341 exit(1);
2342 }
2343
2344 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2345 if (arch_type == QEMU_ARCH_S390X) {
2346 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2347 } else {
2348 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2349 }
2350
2351 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2352 qemu_opt_set(dev_opts, "driver", "virtconsole");
2353
2354 snprintf(label, sizeof(label), "virtcon%d", index);
2355 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2356 if (!virtcon_hds[index]) {
2357 fprintf(stderr, "qemu: could not connect virtio console"
2358 " to character backend '%s'\n", devname);
2359 return -1;
2360 }
2361 qemu_opt_set(dev_opts, "chardev", label);
2362
2363 index++;
2364 return 0;
2365 }
2366
2367 static int sclp_parse(const char *devname)
2368 {
2369 QemuOptsList *device = qemu_find_opts("device");
2370 static int index = 0;
2371 char label[32];
2372 QemuOpts *dev_opts;
2373
2374 if (strcmp(devname, "none") == 0) {
2375 return 0;
2376 }
2377 if (index == MAX_SCLP_CONSOLES) {
2378 fprintf(stderr, "qemu: too many sclp consoles\n");
2379 exit(1);
2380 }
2381
2382 assert(arch_type == QEMU_ARCH_S390X);
2383
2384 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2385 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2386
2387 snprintf(label, sizeof(label), "sclpcon%d", index);
2388 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2389 if (!sclp_hds[index]) {
2390 fprintf(stderr, "qemu: could not connect sclp console"
2391 " to character backend '%s'\n", devname);
2392 return -1;
2393 }
2394 qemu_opt_set(dev_opts, "chardev", label);
2395
2396 index++;
2397 return 0;
2398 }
2399
2400 static int debugcon_parse(const char *devname)
2401 {
2402 QemuOpts *opts;
2403
2404 if (!qemu_chr_new("debugcon", devname, NULL)) {
2405 exit(1);
2406 }
2407 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2408 if (!opts) {
2409 fprintf(stderr, "qemu: already have a debugcon device\n");
2410 exit(1);
2411 }
2412 qemu_opt_set(opts, "driver", "isa-debugcon");
2413 qemu_opt_set(opts, "chardev", "debugcon");
2414 return 0;
2415 }
2416
2417 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2418 {
2419 const MachineClass *mc1 = a, *mc2 = b;
2420 int res;
2421
2422 if (mc1->family == NULL) {
2423 if (mc2->family == NULL) {
2424 /* Compare standalone machine types against each other; they sort
2425 * in increasing order.
2426 */
2427 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2428 object_class_get_name(OBJECT_CLASS(mc2)));
2429 }
2430
2431 /* Standalone machine types sort after families. */
2432 return 1;
2433 }
2434
2435 if (mc2->family == NULL) {
2436 /* Families sort before standalone machine types. */
2437 return -1;
2438 }
2439
2440 /* Families sort between each other alphabetically increasingly. */
2441 res = strcmp(mc1->family, mc2->family);
2442 if (res != 0) {
2443 return res;
2444 }
2445
2446 /* Within the same family, machine types sort in decreasing order. */
2447 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2448 object_class_get_name(OBJECT_CLASS(mc1)));
2449 }
2450
2451 static MachineClass *machine_parse(const char *name)
2452 {
2453 MachineClass *mc = NULL;
2454 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2455
2456 if (name) {
2457 mc = find_machine(name);
2458 }
2459 if (mc) {
2460 return mc;
2461 }
2462 if (name && !is_help_option(name)) {
2463 error_report("Unsupported machine type");
2464 error_printf("Use -machine help to list supported machines!\n");
2465 } else {
2466 printf("Supported machines are:\n");
2467 machines = g_slist_sort(machines, machine_class_cmp);
2468 for (el = machines; el; el = el->next) {
2469 MachineClass *mc = el->data;
2470 if (mc->alias) {
2471 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2472 }
2473 printf("%-20s %s%s\n", mc->name, mc->desc,
2474 mc->is_default ? " (default)" : "");
2475 }
2476 }
2477
2478 g_slist_free(machines);
2479 exit(!name || !is_help_option(name));
2480 }
2481
2482 void qemu_add_exit_notifier(Notifier *notify)
2483 {
2484 notifier_list_add(&exit_notifiers, notify);
2485 }
2486
2487 void qemu_remove_exit_notifier(Notifier *notify)
2488 {
2489 notifier_remove(notify);
2490 }
2491
2492 static void qemu_run_exit_notifiers(void)
2493 {
2494 notifier_list_notify(&exit_notifiers, NULL);
2495 }
2496
2497 void qemu_add_machine_init_done_notifier(Notifier *notify)
2498 {
2499 notifier_list_add(&machine_init_done_notifiers, notify);
2500 }
2501
2502 static void qemu_run_machine_init_done_notifiers(void)
2503 {
2504 notifier_list_notify(&machine_init_done_notifiers, NULL);
2505 }
2506
2507 static const QEMUOption *lookup_opt(int argc, char **argv,
2508 const char **poptarg, int *poptind)
2509 {
2510 const QEMUOption *popt;
2511 int optind = *poptind;
2512 char *r = argv[optind];
2513 const char *optarg;
2514
2515 loc_set_cmdline(argv, optind, 1);
2516 optind++;
2517 /* Treat --foo the same as -foo. */
2518 if (r[1] == '-')
2519 r++;
2520 popt = qemu_options;
2521 for(;;) {
2522 if (!popt->name) {
2523 error_report("invalid option");
2524 exit(1);
2525 }
2526 if (!strcmp(popt->name, r + 1))
2527 break;
2528 popt++;
2529 }
2530 if (popt->flags & HAS_ARG) {
2531 if (optind >= argc) {
2532 error_report("requires an argument");
2533 exit(1);
2534 }
2535 optarg = argv[optind++];
2536 loc_set_cmdline(argv, optind - 2, 2);
2537 } else {
2538 optarg = NULL;
2539 }
2540
2541 *poptarg = optarg;
2542 *poptind = optind;
2543
2544 return popt;
2545 }
2546
2547 static gpointer malloc_and_trace(gsize n_bytes)
2548 {
2549 void *ptr = malloc(n_bytes);
2550 trace_g_malloc(n_bytes, ptr);
2551 return ptr;
2552 }
2553
2554 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2555 {
2556 void *ptr = realloc(mem, n_bytes);
2557 trace_g_realloc(mem, n_bytes, ptr);
2558 return ptr;
2559 }
2560
2561 static void free_and_trace(gpointer mem)
2562 {
2563 trace_g_free(mem);
2564 free(mem);
2565 }
2566
2567 static int machine_set_property(const char *name, const char *value,
2568 void *opaque)
2569 {
2570 Object *obj = OBJECT(opaque);
2571 Error *local_err = NULL;
2572 char *c, *qom_name;
2573
2574 if (strcmp(name, "type") == 0) {
2575 return 0;
2576 }
2577
2578 qom_name = g_strdup(name);
2579 c = qom_name;
2580 while (*c++) {
2581 if (*c == '_') {
2582 *c = '-';
2583 }
2584 }
2585
2586 object_property_parse(obj, value, qom_name, &local_err);
2587 g_free(qom_name);
2588
2589 if (local_err) {
2590 qerror_report_err(local_err);
2591 error_free(local_err);
2592 return -1;
2593 }
2594
2595 return 0;
2596 }
2597
2598 static int object_create(QemuOpts *opts, void *opaque)
2599 {
2600 Error *err = NULL;
2601 char *type = NULL;
2602 char *id = NULL;
2603 void *dummy = NULL;
2604 OptsVisitor *ov;
2605 QDict *pdict;
2606
2607 ov = opts_visitor_new(opts);
2608 pdict = qemu_opts_to_qdict(opts, NULL);
2609
2610 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2611 if (err) {
2612 goto out;
2613 }
2614
2615 qdict_del(pdict, "qom-type");
2616 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2617 if (err) {
2618 goto out;
2619 }
2620
2621 qdict_del(pdict, "id");
2622 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2623 if (err) {
2624 goto out;
2625 }
2626
2627 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2628 if (err) {
2629 goto out;
2630 }
2631 visit_end_struct(opts_get_visitor(ov), &err);
2632 if (err) {
2633 qmp_object_del(id, NULL);
2634 }
2635
2636 out:
2637 opts_visitor_cleanup(ov);
2638
2639 QDECREF(pdict);
2640 g_free(id);
2641 g_free(type);
2642 g_free(dummy);
2643 if (err) {
2644 qerror_report_err(err);
2645 error_free(err);
2646 return -1;
2647 }
2648 return 0;
2649 }
2650
2651 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2652 {
2653 uint64_t sz;
2654 const char *mem_str;
2655 const char *maxmem_str, *slots_str;
2656 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2657 1024 * 1024;
2658 QemuOpts *opts = qemu_find_opts_singleton("memory");
2659
2660 sz = 0;
2661 mem_str = qemu_opt_get(opts, "size");
2662 if (mem_str) {
2663 if (!*mem_str) {
2664 error_report("missing 'size' option value");
2665 exit(EXIT_FAILURE);
2666 }
2667
2668 sz = qemu_opt_get_size(opts, "size", ram_size);
2669
2670 /* Fix up legacy suffix-less format */
2671 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2672 uint64_t overflow_check = sz;
2673
2674 sz <<= 20;
2675 if ((sz >> 20) != overflow_check) {
2676 error_report("too large 'size' option value");
2677 exit(EXIT_FAILURE);
2678 }
2679 }
2680 }
2681
2682 /* backward compatibility behaviour for case "-m 0" */
2683 if (sz == 0) {
2684 sz = default_ram_size;
2685 }
2686
2687 sz = QEMU_ALIGN_UP(sz, 8192);
2688 ram_size = sz;
2689 if (ram_size != sz) {
2690 error_report("ram size too large");
2691 exit(EXIT_FAILURE);
2692 }
2693
2694 /* store value for the future use */
2695 qemu_opt_set_number(opts, "size", ram_size);
2696 *maxram_size = ram_size;
2697
2698 maxmem_str = qemu_opt_get(opts, "maxmem");
2699 slots_str = qemu_opt_get(opts, "slots");
2700 if (maxmem_str && slots_str) {
2701 uint64_t slots;
2702
2703 sz = qemu_opt_get_size(opts, "maxmem", 0);
2704 if (sz < ram_size) {
2705 error_report("invalid -m option value: maxmem "
2706 "(0x%" PRIx64 ") <= initial memory (0x"
2707 RAM_ADDR_FMT ")", sz, ram_size);
2708 exit(EXIT_FAILURE);
2709 }
2710
2711 slots = qemu_opt_get_number(opts, "slots", 0);
2712 if ((sz > ram_size) && !slots) {
2713 error_report("invalid -m option value: maxmem "
2714 "(0x%" PRIx64 ") more than initial memory (0x"
2715 RAM_ADDR_FMT ") but no hotplug slots where "
2716 "specified", sz, ram_size);
2717 exit(EXIT_FAILURE);
2718 }
2719
2720 if ((sz <= ram_size) && slots) {
2721 error_report("invalid -m option value: %"
2722 PRIu64 " hotplug slots where specified but "
2723 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
2724 RAM_ADDR_FMT ")", slots, sz, ram_size);
2725 exit(EXIT_FAILURE);
2726 }
2727 *maxram_size = sz;
2728 *ram_slots = slots;
2729 } else if ((!maxmem_str && slots_str) ||
2730 (maxmem_str && !slots_str)) {
2731 error_report("invalid -m option value: missing "
2732 "'%s' option", slots_str ? "maxmem" : "slots");
2733 exit(EXIT_FAILURE);
2734 }
2735 }
2736
2737 int main(int argc, char **argv, char **envp)
2738 {
2739 int i;
2740 int snapshot, linux_boot;
2741 const char *initrd_filename;
2742 const char *kernel_filename, *kernel_cmdline;
2743 const char *boot_order;
2744 DisplayState *ds;
2745 int cyls, heads, secs, translation;
2746 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2747 QemuOptsList *olist;
2748 int optind;
2749 const char *optarg;
2750 const char *loadvm = NULL;
2751 MachineClass *machine_class;
2752 const char *cpu_model;
2753 const char *vga_model = NULL;
2754 const char *qtest_chrdev = NULL;
2755 const char *qtest_log = NULL;
2756 const char *pid_file = NULL;
2757 const char *incoming = NULL;
2758 #ifdef CONFIG_VNC
2759 int show_vnc_port = 0;
2760 #endif
2761 bool defconfig = true;
2762 bool userconfig = true;
2763 const char *log_mask = NULL;
2764 const char *log_file = NULL;
2765 GMemVTable mem_trace = {
2766 .malloc = malloc_and_trace,
2767 .realloc = realloc_and_trace,
2768 .free = free_and_trace,
2769 };
2770 const char *trace_events = NULL;
2771 const char *trace_file = NULL;
2772 ram_addr_t maxram_size;
2773 uint64_t ram_slots = 0;
2774 FILE *vmstate_dump_file = NULL;
2775 Error *main_loop_err = NULL;
2776
2777 atexit(qemu_run_exit_notifiers);
2778 error_set_progname(argv[0]);
2779 qemu_init_exec_dir(argv[0]);
2780
2781 g_mem_set_vtable(&mem_trace);
2782
2783 module_call_init(MODULE_INIT_QOM);
2784
2785 qemu_add_opts(&qemu_drive_opts);
2786 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2787 qemu_add_drive_opts(&qemu_common_drive_opts);
2788 qemu_add_drive_opts(&qemu_drive_opts);
2789 qemu_add_opts(&qemu_chardev_opts);
2790 qemu_add_opts(&qemu_device_opts);
2791 qemu_add_opts(&qemu_netdev_opts);
2792 qemu_add_opts(&qemu_net_opts);
2793 qemu_add_opts(&qemu_rtc_opts);
2794 qemu_add_opts(&qemu_global_opts);
2795 qemu_add_opts(&qemu_mon_opts);
2796 qemu_add_opts(&qemu_trace_opts);
2797 qemu_add_opts(&qemu_option_rom_opts);
2798 qemu_add_opts(&qemu_machine_opts);
2799 qemu_add_opts(&qemu_mem_opts);
2800 qemu_add_opts(&qemu_smp_opts);
2801 qemu_add_opts(&qemu_boot_opts);
2802 qemu_add_opts(&qemu_sandbox_opts);
2803 qemu_add_opts(&qemu_add_fd_opts);
2804 qemu_add_opts(&qemu_object_opts);
2805 qemu_add_opts(&qemu_tpmdev_opts);
2806 qemu_add_opts(&qemu_realtime_opts);
2807 qemu_add_opts(&qemu_msg_opts);
2808 qemu_add_opts(&qemu_name_opts);
2809 qemu_add_opts(&qemu_numa_opts);
2810 qemu_add_opts(&qemu_icount_opts);
2811 qemu_add_opts(&qemu_semihosting_config_opts);
2812
2813 runstate_init();
2814
2815 rtc_clock = QEMU_CLOCK_HOST;
2816
2817 QLIST_INIT (&vm_change_state_head);
2818 os_setup_early_signal_handling();
2819
2820 module_call_init(MODULE_INIT_MACHINE);
2821 machine_class = find_default_machine();
2822 cpu_model = NULL;
2823 snapshot = 0;
2824 cyls = heads = secs = 0;
2825 translation = BIOS_ATA_TRANSLATION_AUTO;
2826
2827 for (i = 0; i < MAX_NODES; i++) {
2828 numa_info[i].node_mem = 0;
2829 numa_info[i].present = false;
2830 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2831 }
2832
2833 nb_numa_nodes = 0;
2834 max_numa_nodeid = 0;
2835 nb_nics = 0;
2836
2837 bdrv_init_with_whitelist();
2838
2839 autostart = 1;
2840
2841 /* first pass of option parsing */
2842 optind = 1;
2843 while (optind < argc) {
2844 if (argv[optind][0] != '-') {
2845 /* disk image */
2846 optind++;
2847 } else {
2848 const QEMUOption *popt;
2849
2850 popt = lookup_opt(argc, argv, &optarg, &optind);
2851 switch (popt->index) {
2852 case QEMU_OPTION_nodefconfig:
2853 defconfig = false;
2854 break;
2855 case QEMU_OPTION_nouserconfig:
2856 userconfig = false;
2857 break;
2858 }
2859 }
2860 }
2861
2862 if (defconfig) {
2863 int ret;
2864 ret = qemu_read_default_config_files(userconfig);
2865 if (ret < 0) {
2866 exit(1);
2867 }
2868 }
2869
2870 /* second pass of option parsing */
2871 optind = 1;
2872 for(;;) {
2873 if (optind >= argc)
2874 break;
2875 if (argv[optind][0] != '-') {
2876 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2877 } else {
2878 const QEMUOption *popt;
2879
2880 popt = lookup_opt(argc, argv, &optarg, &optind);
2881 if (!(popt->arch_mask & arch_type)) {
2882 printf("Option %s not supported for this target\n", popt->name);
2883 exit(1);
2884 }
2885 switch(popt->index) {
2886 case QEMU_OPTION_no_kvm_irqchip: {
2887 olist = qemu_find_opts("machine");
2888 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2889 break;
2890 }
2891 case QEMU_OPTION_cpu:
2892 /* hw initialization will check this */
2893 cpu_model = optarg;
2894 break;
2895 case QEMU_OPTION_hda:
2896 {
2897 char buf[256];
2898 if (cyls == 0)
2899 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2900 else
2901 snprintf(buf, sizeof(buf),
2902 "%s,cyls=%d,heads=%d,secs=%d%s",
2903 HD_OPTS , cyls, heads, secs,
2904 translation == BIOS_ATA_TRANSLATION_LBA ?
2905 ",trans=lba" :
2906 translation == BIOS_ATA_TRANSLATION_NONE ?
2907 ",trans=none" : "");
2908 drive_add(IF_DEFAULT, 0, optarg, buf);
2909 break;
2910 }
2911 case QEMU_OPTION_hdb:
2912 case QEMU_OPTION_hdc:
2913 case QEMU_OPTION_hdd:
2914 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2915 HD_OPTS);
2916 break;
2917 case QEMU_OPTION_drive:
2918 if (drive_def(optarg) == NULL) {
2919 exit(1);
2920 }
2921 break;
2922 case QEMU_OPTION_set:
2923 if (qemu_set_option(optarg) != 0)
2924 exit(1);
2925 break;
2926 case QEMU_OPTION_global:
2927 if (qemu_global_option(optarg) != 0)
2928 exit(1);
2929 break;
2930 case QEMU_OPTION_mtdblock:
2931 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2932 break;
2933 case QEMU_OPTION_sd:
2934 drive_add(IF_SD, -1, optarg, SD_OPTS);
2935 break;
2936 case QEMU_OPTION_pflash:
2937 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2938 break;
2939 case QEMU_OPTION_snapshot:
2940 snapshot = 1;
2941 break;
2942 case QEMU_OPTION_hdachs:
2943 {
2944 const char *p;
2945 p = optarg;
2946 cyls = strtol(p, (char **)&p, 0);
2947 if (cyls < 1 || cyls > 16383)
2948 goto chs_fail;
2949 if (*p != ',')
2950 goto chs_fail;
2951 p++;
2952 heads = strtol(p, (char **)&p, 0);
2953 if (heads < 1 || heads > 16)
2954 goto chs_fail;
2955 if (*p != ',')
2956 goto chs_fail;
2957 p++;
2958 secs = strtol(p, (char **)&p, 0);
2959 if (secs < 1 || secs > 63)
2960 goto chs_fail;
2961 if (*p == ',') {
2962 p++;
2963 if (!strcmp(p, "large")) {
2964 translation = BIOS_ATA_TRANSLATION_LARGE;
2965 } else if (!strcmp(p, "rechs")) {
2966 translation = BIOS_ATA_TRANSLATION_RECHS;
2967 } else if (!strcmp(p, "none")) {
2968 translation = BIOS_ATA_TRANSLATION_NONE;
2969 } else if (!strcmp(p, "lba")) {
2970 translation = BIOS_ATA_TRANSLATION_LBA;
2971 } else if (!strcmp(p, "auto")) {
2972 translation = BIOS_ATA_TRANSLATION_AUTO;
2973 } else {
2974 goto chs_fail;
2975 }
2976 } else if (*p != '\0') {
2977 chs_fail:
2978 fprintf(stderr, "qemu: invalid physical CHS format\n");
2979 exit(1);
2980 }
2981 if (hda_opts != NULL) {
2982 char num[16];
2983 snprintf(num, sizeof(num), "%d", cyls);
2984 qemu_opt_set(hda_opts, "cyls", num);
2985 snprintf(num, sizeof(num), "%d", heads);
2986 qemu_opt_set(hda_opts, "heads", num);
2987 snprintf(num, sizeof(num), "%d", secs);
2988 qemu_opt_set(hda_opts, "secs", num);
2989 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2990 qemu_opt_set(hda_opts, "trans", "large");
2991 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2992 qemu_opt_set(hda_opts, "trans", "rechs");
2993 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2994 qemu_opt_set(hda_opts, "trans", "lba");
2995 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2996 qemu_opt_set(hda_opts, "trans", "none");
2997 }
2998 }
2999 }
3000 break;
3001 case QEMU_OPTION_numa:
3002 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3003 if (!opts) {
3004 exit(1);
3005 }
3006 break;
3007 case QEMU_OPTION_display:
3008 display_type = select_display(optarg);
3009 break;
3010 case QEMU_OPTION_nographic:
3011 display_type = DT_NOGRAPHIC;
3012 break;
3013 case QEMU_OPTION_curses:
3014 #ifdef CONFIG_CURSES
3015 display_type = DT_CURSES;
3016 #else
3017 fprintf(stderr, "Curses support is disabled\n");
3018 exit(1);
3019 #endif
3020 break;
3021 case QEMU_OPTION_portrait:
3022 graphic_rotate = 90;
3023 break;
3024 case QEMU_OPTION_rotate:
3025 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3026 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3027 graphic_rotate != 180 && graphic_rotate != 270) {
3028 fprintf(stderr,
3029 "qemu: only 90, 180, 270 deg rotation is available\n");
3030 exit(1);
3031 }
3032 break;
3033 case QEMU_OPTION_kernel:
3034 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3035 break;
3036 case QEMU_OPTION_initrd:
3037 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3038 break;
3039 case QEMU_OPTION_append:
3040 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3041 break;
3042 case QEMU_OPTION_dtb:
3043 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3044 break;
3045 case QEMU_OPTION_cdrom:
3046 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3047 break;
3048 case QEMU_OPTION_boot:
3049 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3050 if (!opts) {
3051 exit(1);
3052 }
3053 break;
3054 case QEMU_OPTION_fda:
3055 case QEMU_OPTION_fdb:
3056 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3057 optarg, FD_OPTS);
3058 break;
3059 case QEMU_OPTION_no_fd_bootchk:
3060 fd_bootchk = 0;
3061 break;
3062 case QEMU_OPTION_netdev:
3063 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3064 exit(1);
3065 }
3066 break;
3067 case QEMU_OPTION_net:
3068 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3069 exit(1);
3070 }
3071 break;
3072 #ifdef CONFIG_LIBISCSI
3073 case QEMU_OPTION_iscsi:
3074 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3075 if (!opts) {
3076 exit(1);
3077 }
3078 break;
3079 #endif
3080 #ifdef CONFIG_SLIRP
3081 case QEMU_OPTION_tftp:
3082 legacy_tftp_prefix = optarg;
3083 break;
3084 case QEMU_OPTION_bootp:
3085 legacy_bootp_filename = optarg;
3086 break;
3087 case QEMU_OPTION_redir:
3088 if (net_slirp_redir(optarg) < 0)
3089 exit(1);
3090 break;
3091 #endif
3092 case QEMU_OPTION_bt:
3093 add_device_config(DEV_BT, optarg);
3094 break;
3095 case QEMU_OPTION_audio_help:
3096 AUD_help ();
3097 exit (0);
3098 break;
3099 case QEMU_OPTION_soundhw:
3100 select_soundhw (optarg);
3101 break;
3102 case QEMU_OPTION_h:
3103 help(0);
3104 break;
3105 case QEMU_OPTION_version:
3106 version();
3107 exit(0);
3108 break;
3109 case QEMU_OPTION_m:
3110 opts = qemu_opts_parse(qemu_find_opts("memory"),
3111 optarg, 1);
3112 if (!opts) {
3113 exit(EXIT_FAILURE);
3114 }
3115 break;
3116 #ifdef CONFIG_TPM
3117 case QEMU_OPTION_tpmdev:
3118 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3119 exit(1);
3120 }
3121 break;
3122 #endif
3123 case QEMU_OPTION_mempath:
3124 mem_path = optarg;
3125 break;
3126 case QEMU_OPTION_mem_prealloc:
3127 mem_prealloc = 1;
3128 break;
3129 case QEMU_OPTION_d:
3130 log_mask = optarg;
3131 break;
3132 case QEMU_OPTION_D:
3133 log_file = optarg;
3134 break;
3135 case QEMU_OPTION_s:
3136 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3137 break;
3138 case QEMU_OPTION_gdb:
3139 add_device_config(DEV_GDB, optarg);
3140 break;
3141 case QEMU_OPTION_L:
3142 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3143 data_dir[data_dir_idx++] = optarg;
3144 }
3145 break;
3146 case QEMU_OPTION_bios:
3147 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3148 break;
3149 case QEMU_OPTION_singlestep:
3150 singlestep = 1;
3151 break;
3152 case QEMU_OPTION_S:
3153 autostart = 0;
3154 break;
3155 case QEMU_OPTION_k:
3156 keyboard_layout = optarg;
3157 break;
3158 case QEMU_OPTION_localtime:
3159 rtc_utc = 0;
3160 break;
3161 case QEMU_OPTION_vga:
3162 vga_model = optarg;
3163 default_vga = 0;
3164 break;
3165 case QEMU_OPTION_g:
3166 {
3167 const char *p;
3168 int w, h, depth;
3169 p = optarg;
3170 w = strtol(p, (char **)&p, 10);
3171 if (w <= 0) {
3172 graphic_error:
3173 fprintf(stderr, "qemu: invalid resolution or depth\n");
3174 exit(1);
3175 }
3176 if (*p != 'x')
3177 goto graphic_error;
3178 p++;
3179 h = strtol(p, (char **)&p, 10);
3180 if (h <= 0)
3181 goto graphic_error;
3182 if (*p == 'x') {
3183 p++;
3184 depth = strtol(p, (char **)&p, 10);
3185 if (depth != 8 && depth != 15 && depth != 16 &&
3186 depth != 24 && depth != 32)
3187 goto graphic_error;
3188 } else if (*p == '\0') {
3189 depth = graphic_depth;
3190 } else {
3191 goto graphic_error;
3192 }
3193
3194 graphic_width = w;
3195 graphic_height = h;
3196 graphic_depth = depth;
3197 }
3198 break;
3199 case QEMU_OPTION_echr:
3200 {
3201 char *r;
3202 term_escape_char = strtol(optarg, &r, 0);
3203 if (r == optarg)
3204 printf("Bad argument to echr\n");
3205 break;
3206 }
3207 case QEMU_OPTION_monitor:
3208 default_monitor = 0;
3209 if (strncmp(optarg, "none", 4)) {
3210 monitor_parse(optarg, "readline", false);
3211 }
3212 break;
3213 case QEMU_OPTION_qmp:
3214 monitor_parse(optarg, "control", false);
3215 default_monitor = 0;
3216 break;
3217 case QEMU_OPTION_qmp_pretty:
3218 monitor_parse(optarg, "control", true);
3219 default_monitor = 0;
3220 break;
3221 case QEMU_OPTION_mon:
3222 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3223 if (!opts) {
3224 exit(1);
3225 }
3226 default_monitor = 0;
3227 break;
3228 case QEMU_OPTION_chardev:
3229 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3230 if (!opts) {
3231 exit(1);
3232 }
3233 break;
3234 case QEMU_OPTION_fsdev:
3235 olist = qemu_find_opts("fsdev");
3236 if (!olist) {
3237 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3238 exit(1);
3239 }
3240 opts = qemu_opts_parse(olist, optarg, 1);
3241 if (!opts) {
3242 exit(1);
3243 }
3244 break;
3245 case QEMU_OPTION_virtfs: {
3246 QemuOpts *fsdev;
3247 QemuOpts *device;
3248 const char *writeout, *sock_fd, *socket;
3249
3250 olist = qemu_find_opts("virtfs");
3251 if (!olist) {
3252 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3253 exit(1);
3254 }
3255 opts = qemu_opts_parse(olist, optarg, 1);
3256 if (!opts) {
3257 exit(1);
3258 }
3259
3260 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3261 qemu_opt_get(opts, "mount_tag") == NULL) {
3262 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3263 exit(1);
3264 }
3265 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3266 qemu_opt_get(opts, "mount_tag"),
3267 1, NULL);
3268 if (!fsdev) {
3269 fprintf(stderr, "duplicate fsdev id: %s\n",
3270 qemu_opt_get(opts, "mount_tag"));
3271 exit(1);
3272 }
3273
3274 writeout = qemu_opt_get(opts, "writeout");
3275 if (writeout) {
3276 #ifdef CONFIG_SYNC_FILE_RANGE
3277 qemu_opt_set(fsdev, "writeout", writeout);
3278 #else
3279 fprintf(stderr, "writeout=immediate not supported on "
3280 "this platform\n");
3281 exit(1);
3282 #endif
3283 }
3284 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3285 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3286 qemu_opt_set(fsdev, "security_model",
3287 qemu_opt_get(opts, "security_model"));
3288 socket = qemu_opt_get(opts, "socket");
3289 if (socket) {
3290 qemu_opt_set(fsdev, "socket", socket);
3291 }
3292 sock_fd = qemu_opt_get(opts, "sock_fd");
3293 if (sock_fd) {
3294 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3295 }
3296
3297 qemu_opt_set_bool(fsdev, "readonly",
3298 qemu_opt_get_bool(opts, "readonly", 0));
3299 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3300 &error_abort);
3301 qemu_opt_set(device, "driver", "virtio-9p-pci");
3302 qemu_opt_set(device, "fsdev",
3303 qemu_opt_get(opts, "mount_tag"));
3304 qemu_opt_set(device, "mount_tag",
3305 qemu_opt_get(opts, "mount_tag"));
3306 break;
3307 }
3308 case QEMU_OPTION_virtfs_synth: {
3309 QemuOpts *fsdev;
3310 QemuOpts *device;
3311
3312 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3313 1, NULL);
3314 if (!fsdev) {
3315 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3316 exit(1);
3317 }
3318 qemu_opt_set(fsdev, "fsdriver", "synth");
3319
3320 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3321 &error_abort);
3322 qemu_opt_set(device, "driver", "virtio-9p-pci");
3323 qemu_opt_set(device, "fsdev", "v_synth");
3324 qemu_opt_set(device, "mount_tag", "v_synth");
3325 break;
3326 }
3327 case QEMU_OPTION_serial:
3328 add_device_config(DEV_SERIAL, optarg);
3329 default_serial = 0;
3330 if (strncmp(optarg, "mon:", 4) == 0) {
3331 default_monitor = 0;
3332 }
3333 break;
3334 case QEMU_OPTION_watchdog:
3335 if (watchdog) {
3336 fprintf(stderr,
3337 "qemu: only one watchdog option may be given\n");
3338 return 1;
3339 }
3340 watchdog = optarg;
3341 break;
3342 case QEMU_OPTION_watchdog_action:
3343 if (select_watchdog_action(optarg) == -1) {
3344 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3345 exit(1);
3346 }
3347 break;
3348 case QEMU_OPTION_virtiocon:
3349 add_device_config(DEV_VIRTCON, optarg);
3350 default_virtcon = 0;
3351 if (strncmp(optarg, "mon:", 4) == 0) {
3352 default_monitor = 0;
3353 }
3354 break;
3355 case QEMU_OPTION_parallel:
3356 add_device_config(DEV_PARALLEL, optarg);
3357 default_parallel = 0;
3358 if (strncmp(optarg, "mon:", 4) == 0) {
3359 default_monitor = 0;
3360 }
3361 break;
3362 case QEMU_OPTION_debugcon:
3363 add_device_config(DEV_DEBUGCON, optarg);
3364 break;
3365 case QEMU_OPTION_loadvm:
3366 loadvm = optarg;
3367 break;
3368 case QEMU_OPTION_full_screen:
3369 full_screen = 1;
3370 break;
3371 case QEMU_OPTION_no_frame:
3372 no_frame = 1;
3373 break;
3374 case QEMU_OPTION_alt_grab:
3375 alt_grab = 1;
3376 break;
3377 case QEMU_OPTION_ctrl_grab:
3378 ctrl_grab = 1;
3379 break;
3380 case QEMU_OPTION_no_quit:
3381 no_quit = 1;
3382 break;
3383 case QEMU_OPTION_sdl:
3384 #ifdef CONFIG_SDL
3385 display_type = DT_SDL;
3386 break;
3387 #else
3388 fprintf(stderr, "SDL support is disabled\n");
3389 exit(1);
3390 #endif
3391 case QEMU_OPTION_pidfile:
3392 pid_file = optarg;
3393 break;
3394 case QEMU_OPTION_win2k_hack:
3395 win2k_install_hack = 1;
3396 break;
3397 case QEMU_OPTION_rtc_td_hack: {
3398 static GlobalProperty slew_lost_ticks[] = {
3399 {
3400 .driver = "mc146818rtc",
3401 .property = "lost_tick_policy",
3402 .value = "slew",
3403 },
3404 { /* end of list */ }
3405 };
3406
3407 qdev_prop_register_global_list(slew_lost_ticks);
3408 break;
3409 }
3410 case QEMU_OPTION_acpitable:
3411 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3412 if (!opts) {
3413 exit(1);
3414 }
3415 do_acpitable_option(opts);
3416 break;
3417 case QEMU_OPTION_smbios:
3418 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3419 if (!opts) {
3420 exit(1);
3421 }
3422 do_smbios_option(opts);
3423 break;
3424 case QEMU_OPTION_enable_kvm:
3425 olist = qemu_find_opts("machine");
3426 qemu_opts_parse(olist, "accel=kvm", 0);
3427 break;
3428 case QEMU_OPTION_M:
3429 case QEMU_OPTION_machine:
3430 olist = qemu_find_opts("machine");
3431 opts = qemu_opts_parse(olist, optarg, 1);
3432 if (!opts) {
3433 exit(1);
3434 }
3435 break;
3436 case QEMU_OPTION_no_kvm:
3437 olist = qemu_find_opts("machine");
3438 qemu_opts_parse(olist, "accel=tcg", 0);
3439 break;
3440 case QEMU_OPTION_no_kvm_pit: {
3441 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3442 "separately.\n");
3443 break;
3444 }
3445 case QEMU_OPTION_no_kvm_pit_reinjection: {
3446 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3447 {
3448 .driver = "kvm-pit",
3449 .property = "lost_tick_policy",
3450 .value = "discard",
3451 },
3452 { /* end of list */ }
3453 };
3454
3455 fprintf(stderr, "Warning: option deprecated, use "
3456 "lost_tick_policy property of kvm-pit instead.\n");
3457 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3458 break;
3459 }
3460 case QEMU_OPTION_usb:
3461 olist = qemu_find_opts("machine");
3462 qemu_opts_parse(olist, "usb=on", 0);
3463 break;
3464 case QEMU_OPTION_usbdevice:
3465 olist = qemu_find_opts("machine");
3466 qemu_opts_parse(olist, "usb=on", 0);
3467 add_device_config(DEV_USB, optarg);
3468 break;
3469 case QEMU_OPTION_device:
3470 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3471 exit(1);
3472 }
3473 break;
3474 case QEMU_OPTION_smp:
3475 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3476 exit(1);
3477 }
3478 break;
3479 case QEMU_OPTION_vnc:
3480 #ifdef CONFIG_VNC
3481 display_remote++;
3482 vnc_display = optarg;
3483 #else
3484 fprintf(stderr, "VNC support is disabled\n");
3485 exit(1);
3486 #endif
3487 break;
3488 case QEMU_OPTION_no_acpi:
3489 acpi_enabled = 0;
3490 break;
3491 case QEMU_OPTION_no_hpet:
3492 no_hpet = 1;
3493 break;
3494 case QEMU_OPTION_balloon:
3495 if (balloon_parse(optarg) < 0) {
3496 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3497 exit(1);
3498 }
3499 break;
3500 case QEMU_OPTION_no_reboot:
3501 no_reboot = 1;
3502 break;
3503 case QEMU_OPTION_no_shutdown:
3504 no_shutdown = 1;
3505 break;
3506 case QEMU_OPTION_show_cursor:
3507 cursor_hide = 0;
3508 break;
3509 case QEMU_OPTION_uuid:
3510 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3511 fprintf(stderr, "Fail to parse UUID string."
3512 " Wrong format.\n");
3513 exit(1);
3514 }
3515 qemu_uuid_set = true;
3516 break;
3517 case QEMU_OPTION_option_rom:
3518 if (nb_option_roms >= MAX_OPTION_ROMS) {
3519 fprintf(stderr, "Too many option ROMs\n");
3520 exit(1);
3521 }
3522 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3523 if (!opts) {
3524 exit(1);
3525 }
3526 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3527 option_rom[nb_option_roms].bootindex =
3528 qemu_opt_get_number(opts, "bootindex", -1);
3529 if (!option_rom[nb_option_roms].name) {
3530 fprintf(stderr, "Option ROM file is not specified\n");
3531 exit(1);
3532 }
3533 nb_option_roms++;
3534 break;
3535 case QEMU_OPTION_semihosting:
3536 semihosting_enabled = 1;
3537 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3538 break;
3539 case QEMU_OPTION_semihosting_config:
3540 semihosting_enabled = 1;
3541 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3542 optarg, 0);
3543 if (opts != NULL) {
3544 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3545 true);
3546 const char *target = qemu_opt_get(opts, "target");
3547 if (target != NULL) {
3548 if (strcmp("native", target) == 0) {
3549 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3550 } else if (strcmp("gdb", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_GDB;
3552 } else if (strcmp("auto", target) == 0) {
3553 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3554 } else {
3555 fprintf(stderr, "Unsupported semihosting-config"
3556 " %s\n",
3557 optarg);
3558 exit(1);
3559 }
3560 } else {
3561 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3562 }
3563 } else {
3564 fprintf(stderr, "Unsupported semihosting-config %s\n",
3565 optarg);
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_tdf:
3570 fprintf(stderr, "Warning: user space PIT time drift fix "
3571 "is no longer supported.\n");
3572 break;
3573 case QEMU_OPTION_name:
3574 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3575 if (!opts) {
3576 exit(1);
3577 }
3578 break;
3579 case QEMU_OPTION_prom_env:
3580 if (nb_prom_envs >= MAX_PROM_ENVS) {
3581 fprintf(stderr, "Too many prom variables\n");
3582 exit(1);
3583 }
3584 prom_envs[nb_prom_envs] = optarg;
3585 nb_prom_envs++;
3586 break;
3587 case QEMU_OPTION_old_param:
3588 old_param = 1;
3589 break;
3590 case QEMU_OPTION_clock:
3591 /* Clock options no longer exist. Keep this option for
3592 * backward compatibility.
3593 */
3594 break;
3595 case QEMU_OPTION_startdate:
3596 configure_rtc_date_offset(optarg, 1);
3597 break;
3598 case QEMU_OPTION_rtc:
3599 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3600 if (!opts) {
3601 exit(1);
3602 }
3603 configure_rtc(opts);
3604 break;
3605 case QEMU_OPTION_tb_size:
3606 tcg_tb_size = strtol(optarg, NULL, 0);
3607 if (tcg_tb_size < 0) {
3608 tcg_tb_size = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_icount:
3612 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3613 optarg, 1);
3614 if (!icount_opts) {
3615 exit(1);
3616 }
3617 break;
3618 case QEMU_OPTION_incoming:
3619 incoming = optarg;
3620 runstate_set(RUN_STATE_INMIGRATE);
3621 break;
3622 case QEMU_OPTION_nodefaults:
3623 has_defaults = 0;
3624 break;
3625 case QEMU_OPTION_xen_domid:
3626 if (!(xen_available())) {
3627 printf("Option %s not supported for this target\n", popt->name);
3628 exit(1);
3629 }
3630 xen_domid = atoi(optarg);
3631 break;
3632 case QEMU_OPTION_xen_create:
3633 if (!(xen_available())) {
3634 printf("Option %s not supported for this target\n", popt->name);
3635 exit(1);
3636 }
3637 xen_mode = XEN_CREATE;
3638 break;
3639 case QEMU_OPTION_xen_attach:
3640 if (!(xen_available())) {
3641 printf("Option %s not supported for this target\n", popt->name);
3642 exit(1);
3643 }
3644 xen_mode = XEN_ATTACH;
3645 break;
3646 case QEMU_OPTION_trace:
3647 {
3648 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3649 if (!opts) {
3650 exit(1);
3651 }
3652 trace_events = qemu_opt_get(opts, "events");
3653 trace_file = qemu_opt_get(opts, "file");
3654 break;
3655 }
3656 case QEMU_OPTION_readconfig:
3657 {
3658 int ret = qemu_read_config_file(optarg);
3659 if (ret < 0) {
3660 fprintf(stderr, "read config %s: %s\n", optarg,
3661 strerror(-ret));
3662 exit(1);
3663 }
3664 break;
3665 }
3666 case QEMU_OPTION_spice:
3667 olist = qemu_find_opts("spice");
3668 if (!olist) {
3669 fprintf(stderr, "spice is not supported by this qemu build.\n");
3670 exit(1);
3671 }
3672 opts = qemu_opts_parse(olist, optarg, 0);
3673 if (!opts) {
3674 exit(1);
3675 }
3676 display_remote++;
3677 break;
3678 case QEMU_OPTION_writeconfig:
3679 {
3680 FILE *fp;
3681 if (strcmp(optarg, "-") == 0) {
3682 fp = stdout;
3683 } else {
3684 fp = fopen(optarg, "w");
3685 if (fp == NULL) {
3686 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3687 exit(1);
3688 }
3689 }
3690 qemu_config_write(fp);
3691 if (fp != stdout) {
3692 fclose(fp);
3693 }
3694 break;
3695 }
3696 case QEMU_OPTION_qtest:
3697 qtest_chrdev = optarg;
3698 break;
3699 case QEMU_OPTION_qtest_log:
3700 qtest_log = optarg;
3701 break;
3702 case QEMU_OPTION_sandbox:
3703 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 break;
3708 case QEMU_OPTION_add_fd:
3709 #ifndef _WIN32
3710 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 #else
3715 error_report("File descriptor passing is disabled on this "
3716 "platform");
3717 exit(1);
3718 #endif
3719 break;
3720 case QEMU_OPTION_object:
3721 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_realtime:
3727 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3728 if (!opts) {
3729 exit(1);
3730 }
3731 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3732 break;
3733 case QEMU_OPTION_msg:
3734 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3735 if (!opts) {
3736 exit(1);
3737 }
3738 configure_msg(opts);
3739 break;
3740 case QEMU_OPTION_dump_vmstate:
3741 if (vmstate_dump_file) {
3742 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3743 "option may be given\n");
3744 exit(1);
3745 }
3746 vmstate_dump_file = fopen(optarg, "w");
3747 if (vmstate_dump_file == NULL) {
3748 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3749 exit(1);
3750 }
3751 break;
3752 default:
3753 os_parse_cmd_args(popt->index, optarg);
3754 }
3755 }
3756 }
3757
3758 opts = qemu_get_machine_opts();
3759 optarg = qemu_opt_get(opts, "type");
3760 if (optarg) {
3761 machine_class = machine_parse(optarg);
3762 }
3763
3764 set_memory_options(&ram_slots, &maxram_size);
3765
3766 loc_set_none();
3767
3768 os_daemonize();
3769
3770 if (qemu_init_main_loop(&main_loop_err)) {
3771 error_report("%s", error_get_pretty(main_loop_err));
3772 exit(1);
3773 }
3774
3775 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3776 exit(1);
3777 }
3778
3779 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3780 exit(1);
3781 }
3782
3783 #ifndef _WIN32
3784 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3785 exit(1);
3786 }
3787
3788 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3789 exit(1);
3790 }
3791 #endif
3792
3793 if (machine_class == NULL) {
3794 fprintf(stderr, "No machine specified, and there is no default.\n"
3795 "Use -machine help to list supported machines!\n");
3796 exit(1);
3797 }
3798
3799 current_machine = MACHINE(object_new(object_class_get_name(
3800 OBJECT_CLASS(machine_class))));
3801 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3802 exit(0);
3803 }
3804 object_property_add_child(object_get_root(), "machine",
3805 OBJECT(current_machine), &error_abort);
3806 cpu_exec_init_all();
3807
3808 if (machine_class->hw_version) {
3809 qemu_set_version(machine_class->hw_version);
3810 }
3811
3812 /* Init CPU def lists, based on config
3813 * - Must be called after all the qemu_read_config_file() calls
3814 * - Must be called before list_cpus()
3815 * - Must be called before machine->init()
3816 */
3817 cpudef_init();
3818
3819 if (cpu_model && is_help_option(cpu_model)) {
3820 list_cpus(stdout, &fprintf, cpu_model);
3821 exit(0);
3822 }
3823
3824 /* Open the logfile at this point, if necessary. We can't open the logfile
3825 * when encountering either of the logging options (-d or -D) because the
3826 * other one may be encountered later on the command line, changing the
3827 * location or level of logging.
3828 */
3829 if (log_mask) {
3830 int mask;
3831 if (log_file) {
3832 qemu_set_log_filename(log_file);
3833 }
3834
3835 mask = qemu_str_to_log_mask(log_mask);
3836 if (!mask) {
3837 qemu_print_log_usage(stdout);
3838 exit(1);
3839 }
3840 qemu_set_log(mask);
3841 }
3842
3843 if (!is_daemonized()) {
3844 if (!trace_init_backends(trace_events, trace_file)) {
3845 exit(1);
3846 }
3847 }
3848
3849 /* If no data_dir is specified then try to find it relative to the
3850 executable path. */
3851 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3852 data_dir[data_dir_idx] = os_find_datadir();
3853 if (data_dir[data_dir_idx] != NULL) {
3854 data_dir_idx++;
3855 }
3856 }
3857 /* If all else fails use the install path specified when building. */
3858 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3859 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3860 }
3861
3862 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3863
3864 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3865 if (max_cpus > machine_class->max_cpus) {
3866 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3867 "supported by machine `%s' (%d)\n", max_cpus,
3868 machine_class->name, machine_class->max_cpus);
3869 exit(1);
3870 }
3871
3872 /*
3873 * Get the default machine options from the machine if it is not already
3874 * specified either by the configuration file or by the command line.
3875 */
3876 if (machine_class->default_machine_opts) {
3877 qemu_opts_set_defaults(qemu_find_opts("machine"),
3878 machine_class->default_machine_opts, 0);
3879 }
3880
3881 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3882 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3883
3884 if (!vga_model && !default_vga) {
3885 vga_interface_type = VGA_DEVICE;
3886 }
3887 if (!has_defaults || machine_class->no_serial) {
3888 default_serial = 0;
3889 }
3890 if (!has_defaults || machine_class->no_parallel) {
3891 default_parallel = 0;
3892 }
3893 if (!has_defaults || !machine_class->use_virtcon) {
3894 default_virtcon = 0;
3895 }
3896 if (!has_defaults || !machine_class->use_sclp) {
3897 default_sclp = 0;
3898 }
3899 if (!has_defaults || machine_class->no_floppy) {
3900 default_floppy = 0;
3901 }
3902 if (!has_defaults || machine_class->no_cdrom) {
3903 default_cdrom = 0;
3904 }
3905 if (!has_defaults || machine_class->no_sdcard) {
3906 default_sdcard = 0;
3907 }
3908 if (!has_defaults) {
3909 default_monitor = 0;
3910 default_net = 0;
3911 default_vga = 0;
3912 }
3913
3914 if (is_daemonized()) {
3915 /* According to documentation and historically, -nographic redirects
3916 * serial port, parallel port and monitor to stdio, which does not work
3917 * with -daemonize. We can redirect these to null instead, but since
3918 * -nographic is legacy, let's just error out.
3919 * We disallow -nographic only if all other ports are not redirected
3920 * explicitly, to not break existing legacy setups which uses
3921 * -nographic _and_ redirects all ports explicitly - this is valid
3922 * usage, -nographic is just a no-op in this case.
3923 */
3924 if (display_type == DT_NOGRAPHIC
3925 && (default_parallel || default_serial
3926 || default_monitor || default_virtcon)) {
3927 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3928 exit(1);
3929 }
3930 #ifdef CONFIG_CURSES
3931 if (display_type == DT_CURSES) {
3932 fprintf(stderr, "curses display can not be used with -daemonize\n");
3933 exit(1);
3934 }
3935 #endif
3936 }
3937
3938 if (display_type == DT_NOGRAPHIC) {
3939 if (default_parallel)
3940 add_device_config(DEV_PARALLEL, "null");
3941 if (default_serial && default_monitor) {
3942 add_device_config(DEV_SERIAL, "mon:stdio");
3943 } else if (default_virtcon && default_monitor) {
3944 add_device_config(DEV_VIRTCON, "mon:stdio");
3945 } else if (default_sclp && default_monitor) {
3946 add_device_config(DEV_SCLP, "mon:stdio");
3947 } else {
3948 if (default_serial)
3949 add_device_config(DEV_SERIAL, "stdio");
3950 if (default_virtcon)
3951 add_device_config(DEV_VIRTCON, "stdio");
3952 if (default_sclp) {
3953 add_device_config(DEV_SCLP, "stdio");
3954 }
3955 if (default_monitor)
3956 monitor_parse("stdio", "readline", false);
3957 }
3958 } else {
3959 if (default_serial)
3960 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3961 if (default_parallel)
3962 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3963 if (default_monitor)
3964 monitor_parse("vc:80Cx24C", "readline", false);
3965 if (default_virtcon)
3966 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3967 if (default_sclp) {
3968 add_device_config(DEV_SCLP, "vc:80Cx24C");
3969 }
3970 }
3971
3972 if (display_type == DT_DEFAULT && !display_remote) {
3973 #if defined(CONFIG_GTK)
3974 display_type = DT_GTK;
3975 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3976 display_type = DT_SDL;
3977 #elif defined(CONFIG_VNC)
3978 vnc_display = "localhost:0,to=99";
3979 show_vnc_port = 1;
3980 #else
3981 display_type = DT_NONE;
3982 #endif
3983 }
3984
3985 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3986 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3987 "for SDL, ignoring option\n");
3988 }
3989 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3990 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3991 "ignoring option\n");
3992 }
3993
3994 #if defined(CONFIG_GTK)
3995 if (display_type == DT_GTK) {
3996 early_gtk_display_init();
3997 }
3998 #endif
3999
4000 socket_init();
4001
4002 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4003 exit(1);
4004 #ifdef CONFIG_VIRTFS
4005 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4006 exit(1);
4007 }
4008 #endif
4009
4010 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4011 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4012 exit(1);
4013 }
4014
4015 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4016 != 0) {
4017 exit(0);
4018 }
4019
4020 if (qemu_opts_foreach(qemu_find_opts("object"),
4021 object_create, NULL, 0) != 0) {
4022 exit(1);
4023 }
4024
4025 machine_opts = qemu_get_machine_opts();
4026 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4027 1) < 0) {
4028 object_unref(OBJECT(current_machine));
4029 exit(1);
4030 }
4031
4032 configure_accelerator(current_machine);
4033
4034 if (qtest_chrdev) {
4035 Error *local_err = NULL;
4036 qtest_init(qtest_chrdev, qtest_log, &local_err);
4037 if (local_err) {
4038 error_report("%s", error_get_pretty(local_err));
4039 error_free(local_err);
4040 exit(1);
4041 }
4042 }
4043
4044 machine_opts = qemu_get_machine_opts();
4045 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4046 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4047 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4048 bios_name = qemu_opt_get(machine_opts, "firmware");
4049
4050 boot_order = machine_class->default_boot_order;
4051 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4052 if (opts) {
4053 char *normal_boot_order;
4054 const char *order, *once;
4055 Error *local_err = NULL;
4056
4057 order = qemu_opt_get(opts, "order");
4058 if (order) {
4059 validate_bootdevices(order, &local_err);
4060 if (local_err) {
4061 error_report("%s", error_get_pretty(local_err));
4062 exit(1);
4063 }
4064 boot_order = order;
4065 }
4066
4067 once = qemu_opt_get(opts, "once");
4068 if (once) {
4069 validate_bootdevices(once, &local_err);
4070 if (local_err) {
4071 error_report("%s", error_get_pretty(local_err));
4072 exit(1);
4073 }
4074 normal_boot_order = g_strdup(boot_order);
4075 boot_order = once;
4076 qemu_register_reset(restore_boot_order, normal_boot_order);
4077 }
4078
4079 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4080 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4081 }
4082
4083 if (!kernel_cmdline) {
4084 kernel_cmdline = "";
4085 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4086 }
4087
4088 linux_boot = (kernel_filename != NULL);
4089
4090 if (!linux_boot && *kernel_cmdline != '\0') {
4091 fprintf(stderr, "-append only allowed with -kernel option\n");
4092 exit(1);
4093 }
4094
4095 if (!linux_boot && initrd_filename != NULL) {
4096 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4097 exit(1);
4098 }
4099
4100 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4101 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4102 exit(1);
4103 }
4104
4105 os_set_line_buffering();
4106
4107 qemu_init_cpu_loop();
4108 qemu_mutex_lock_iothread();
4109
4110 #ifdef CONFIG_SPICE
4111 /* spice needs the timers to be initialized by this point */
4112 qemu_spice_init();
4113 #endif
4114
4115 cpu_ticks_init();
4116 if (icount_opts) {
4117 if (kvm_enabled() || xen_enabled()) {
4118 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4119 exit(1);
4120 }
4121 configure_icount(icount_opts, &error_abort);
4122 qemu_opts_del(icount_opts);
4123 }
4124
4125 /* clean up network at qemu process termination */
4126 atexit(&net_cleanup);
4127
4128 if (net_init_clients() < 0) {
4129 exit(1);
4130 }
4131
4132 #ifdef CONFIG_TPM
4133 if (tpm_init() < 0) {
4134 exit(1);
4135 }
4136 #endif
4137
4138 /* init the bluetooth world */
4139 if (foreach_device_config(DEV_BT, bt_parse))
4140 exit(1);
4141
4142 if (!xen_enabled()) {
4143 /* On 32-bit hosts, QEMU is limited by virtual address space */
4144 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4145 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4146 exit(1);
4147 }
4148 }
4149
4150 blk_mig_init();
4151 ram_mig_init();
4152
4153 /* If the currently selected machine wishes to override the units-per-bus
4154 * property of its default HBA interface type, do so now. */
4155 if (machine_class->units_per_default_bus) {
4156 override_max_devs(machine_class->block_default_type,
4157 machine_class->units_per_default_bus);
4158 }
4159
4160 /* open the virtual block devices */
4161 if (snapshot)
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4164 &machine_class->block_default_type, 1) != 0) {
4165 exit(1);
4166 }
4167
4168 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4169 CDROM_OPTS);
4170 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4171 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4172
4173 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4174 NULL, 1) != 0) {
4175 exit(1);
4176 }
4177
4178 set_numa_nodes();
4179
4180 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4181 exit(1);
4182 }
4183
4184 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4185 exit(1);
4186 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4187 exit(1);
4188 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4189 exit(1);
4190 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4191 exit(1);
4192 }
4193 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4194 exit(1);
4195
4196 /* If no default VGA is requested, the default is "none". */
4197 if (default_vga) {
4198 if (machine_class->default_display) {
4199 vga_model = machine_class->default_display;
4200 } else if (cirrus_vga_available()) {
4201 vga_model = "cirrus";
4202 } else if (vga_available()) {
4203 vga_model = "std";
4204 }
4205 }
4206 if (vga_model) {
4207 select_vgahw(vga_model);
4208 }
4209
4210 if (watchdog) {
4211 i = select_watchdog(watchdog);
4212 if (i > 0)
4213 exit (i == 1 ? 1 : 0);
4214 }
4215
4216 if (machine_class->compat_props) {
4217 qdev_prop_register_global_list(machine_class->compat_props);
4218 }
4219 qemu_add_globals();
4220
4221 qdev_machine_init();
4222
4223 current_machine->ram_size = ram_size;
4224 current_machine->maxram_size = maxram_size;
4225 current_machine->ram_slots = ram_slots;
4226 current_machine->boot_order = boot_order;
4227 current_machine->cpu_model = cpu_model;
4228
4229 machine_class->init(current_machine);
4230
4231 realtime_init();
4232
4233 audio_init();
4234
4235 cpu_synchronize_all_post_init();
4236
4237 set_numa_modes();
4238
4239 /* init USB devices */
4240 if (usb_enabled()) {
4241 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4242 exit(1);
4243 }
4244
4245 /* init generic devices */
4246 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4247 exit(1);
4248
4249 /* Did we create any drives that we failed to create a device for? */
4250 drive_check_orphaned();
4251
4252 net_check_clients();
4253
4254 ds = init_displaystate();
4255
4256 /* init local displays */
4257 switch (display_type) {
4258 case DT_NOGRAPHIC:
4259 (void)ds; /* avoid warning if no display is configured */
4260 break;
4261 #if defined(CONFIG_CURSES)
4262 case DT_CURSES:
4263 curses_display_init(ds, full_screen);
4264 break;
4265 #endif
4266 #if defined(CONFIG_SDL)
4267 case DT_SDL:
4268 sdl_display_init(ds, full_screen, no_frame);
4269 break;
4270 #elif defined(CONFIG_COCOA)
4271 case DT_SDL:
4272 cocoa_display_init(ds, full_screen);
4273 break;
4274 #endif
4275 #if defined(CONFIG_GTK)
4276 case DT_GTK:
4277 gtk_display_init(ds, full_screen, grab_on_hover);
4278 break;
4279 #endif
4280 default:
4281 break;
4282 }
4283
4284 /* must be after terminal init, SDL library changes signal handlers */
4285 os_setup_signal_handling();
4286
4287 #ifdef CONFIG_VNC
4288 /* init remote displays */
4289 if (vnc_display) {
4290 Error *local_err = NULL;
4291 vnc_display_init(ds);
4292 vnc_display_open(ds, vnc_display, &local_err);
4293 if (local_err != NULL) {
4294 error_report("Failed to start VNC server on `%s': %s",
4295 vnc_display, error_get_pretty(local_err));
4296 error_free(local_err);
4297 exit(1);
4298 }
4299
4300 if (show_vnc_port) {
4301 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4302 }
4303 }
4304 #endif
4305 #ifdef CONFIG_SPICE
4306 if (using_spice) {
4307 qemu_spice_display_init();
4308 }
4309 #endif
4310
4311 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4312 exit(1);
4313 }
4314
4315 qdev_machine_creation_done();
4316
4317 if (rom_load_all() != 0) {
4318 fprintf(stderr, "rom loading failed\n");
4319 exit(1);
4320 }
4321
4322 /* TODO: once all bus devices are qdevified, this should be done
4323 * when bus is created by qdev.c */
4324 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4325 qemu_run_machine_init_done_notifiers();
4326
4327 /* Done notifiers can load ROMs */
4328 rom_load_done();
4329
4330 qemu_system_reset(VMRESET_SILENT);
4331 if (loadvm) {
4332 if (load_vmstate(loadvm) < 0) {
4333 autostart = 0;
4334 }
4335 }
4336
4337 qdev_prop_check_globals();
4338 if (vmstate_dump_file) {
4339 /* dump and exit */
4340 dump_vmstate_json_to_file(vmstate_dump_file);
4341 return 0;
4342 }
4343
4344 if (incoming) {
4345 Error *local_err = NULL;
4346 qemu_start_incoming_migration(incoming, &local_err);
4347 if (local_err) {
4348 error_report("-incoming %s: %s", incoming,
4349 error_get_pretty(local_err));
4350 error_free(local_err);
4351 exit(1);
4352 }
4353 } else if (autostart) {
4354 vm_start();
4355 }
4356
4357 os_setup_post();
4358
4359 if (is_daemonized()) {
4360 if (!trace_init_backends(trace_events, trace_file)) {
4361 exit(1);
4362 }
4363 }
4364
4365 main_loop();
4366 bdrv_close_all();
4367 pause_all_vcpus();
4368 res_free();
4369 #ifdef CONFIG_TPM
4370 tpm_cleanup();
4371 #endif
4372
4373 return 0;
4374 }
QEMU Monitor Protocol