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vl.c: add HMP help to machine
[qemu/ar7.git] / vl.c
blobbea96562326258e1fc49943f0e6c7f25bfe1e941
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 usb_enabled(bool default_usb)
1001 {
1002 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1003 has_defaults && default_usb);
1004 }
1005
1006 #ifndef _WIN32
1007 static int parse_add_fd(QemuOpts *opts, void *opaque)
1008 {
1009 int fd, dupfd, flags;
1010 int64_t fdset_id;
1011 const char *fd_opaque = NULL;
1012
1013 fd = qemu_opt_get_number(opts, "fd", -1);
1014 fdset_id = qemu_opt_get_number(opts, "set", -1);
1015 fd_opaque = qemu_opt_get(opts, "opaque");
1016
1017 if (fd < 0) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd option is required and must be non-negative");
1020 return -1;
1021 }
1022
1023 if (fd <= STDERR_FILENO) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "fd cannot be a standard I/O stream");
1026 return -1;
1027 }
1028
1029 /*
1030 * All fds inherited across exec() necessarily have FD_CLOEXEC
1031 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1032 */
1033 flags = fcntl(fd, F_GETFD);
1034 if (flags == -1 || (flags & FD_CLOEXEC)) {
1035 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1036 "fd is not valid or already in use");
1037 return -1;
1038 }
1039
1040 if (fdset_id < 0) {
1041 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1042 "set option is required and must be non-negative");
1043 return -1;
1044 }
1045
1046 #ifdef F_DUPFD_CLOEXEC
1047 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1048 #else
1049 dupfd = dup(fd);
1050 if (dupfd != -1) {
1051 qemu_set_cloexec(dupfd);
1052 }
1053 #endif
1054 if (dupfd == -1) {
1055 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1056 "Error duplicating fd: %s", strerror(errno));
1057 return -1;
1058 }
1059
1060 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1061 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1062 fd_opaque, NULL);
1063
1064 return 0;
1065 }
1066
1067 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1068 {
1069 int fd;
1070
1071 fd = qemu_opt_get_number(opts, "fd", -1);
1072 close(fd);
1073
1074 return 0;
1075 }
1076 #endif
1077
1078 /***********************************************************/
1079 /* QEMU Block devices */
1080
1081 #define HD_OPTS "media=disk"
1082 #define CDROM_OPTS "media=cdrom"
1083 #define FD_OPTS ""
1084 #define PFLASH_OPTS ""
1085 #define MTD_OPTS ""
1086 #define SD_OPTS ""
1087
1088 static int drive_init_func(QemuOpts *opts, void *opaque)
1089 {
1090 BlockInterfaceType *block_default_type = opaque;
1091
1092 return drive_new(opts, *block_default_type) == NULL;
1093 }
1094
1095 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1096 {
1097 if (qemu_opt_get(opts, "snapshot") == NULL) {
1098 qemu_opt_set(opts, "snapshot", "on");
1099 }
1100 return 0;
1101 }
1102
1103 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1104 int index, const char *optstr)
1105 {
1106 QemuOpts *opts;
1107 DriveInfo *dinfo;
1108
1109 if (!enable || drive_get_by_index(type, index)) {
1110 return;
1111 }
1112
1113 opts = drive_add(type, index, NULL, optstr);
1114 if (snapshot) {
1115 drive_enable_snapshot(opts, NULL);
1116 }
1117
1118 dinfo = drive_new(opts, type);
1119 if (!dinfo) {
1120 exit(1);
1121 }
1122 dinfo->is_default = true;
1123
1124 }
1125
1126 static QemuOptsList qemu_smp_opts = {
1127 .name = "smp-opts",
1128 .implied_opt_name = "cpus",
1129 .merge_lists = true,
1130 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1131 .desc = {
1132 {
1133 .name = "cpus",
1134 .type = QEMU_OPT_NUMBER,
1135 }, {
1136 .name = "sockets",
1137 .type = QEMU_OPT_NUMBER,
1138 }, {
1139 .name = "cores",
1140 .type = QEMU_OPT_NUMBER,
1141 }, {
1142 .name = "threads",
1143 .type = QEMU_OPT_NUMBER,
1144 }, {
1145 .name = "maxcpus",
1146 .type = QEMU_OPT_NUMBER,
1147 },
1148 { /*End of list */ }
1149 },
1150 };
1151
1152 static void smp_parse(QemuOpts *opts)
1153 {
1154 if (opts) {
1155
1156 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1157 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1158 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1159 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1160
1161 /* compute missing values, prefer sockets over cores over threads */
1162 if (cpus == 0 || sockets == 0) {
1163 sockets = sockets > 0 ? sockets : 1;
1164 cores = cores > 0 ? cores : 1;
1165 threads = threads > 0 ? threads : 1;
1166 if (cpus == 0) {
1167 cpus = cores * threads * sockets;
1168 }
1169 } else {
1170 if (cores == 0) {
1171 threads = threads > 0 ? threads : 1;
1172 cores = cpus / (sockets * threads);
1173 } else {
1174 threads = cpus / (cores * sockets);
1175 }
1176 }
1177
1178 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1179
1180 smp_cpus = cpus;
1181 smp_cores = cores > 0 ? cores : 1;
1182 smp_threads = threads > 0 ? threads : 1;
1183
1184 }
1185
1186 if (max_cpus == 0) {
1187 max_cpus = smp_cpus;
1188 }
1189
1190 if (max_cpus > MAX_CPUMASK_BITS) {
1191 fprintf(stderr, "Unsupported number of maxcpus\n");
1192 exit(1);
1193 }
1194 if (max_cpus < smp_cpus) {
1195 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1196 exit(1);
1197 }
1198
1199 }
1200
1201 static void realtime_init(void)
1202 {
1203 if (enable_mlock) {
1204 if (os_mlock() < 0) {
1205 fprintf(stderr, "qemu: locking memory failed\n");
1206 exit(1);
1207 }
1208 }
1209 }
1210
1211
1212 static void configure_msg(QemuOpts *opts)
1213 {
1214 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1215 }
1216
1217 /***********************************************************/
1218 /* USB devices */
1219
1220 static int usb_device_add(const char *devname)
1221 {
1222 USBDevice *dev = NULL;
1223 #ifndef CONFIG_LINUX
1224 const char *p;
1225 #endif
1226
1227 if (!usb_enabled(false)) {
1228 return -1;
1229 }
1230
1231 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1232 dev = usbdevice_create(devname);
1233 if (dev)
1234 goto done;
1235
1236 /* the other ones */
1237 #ifndef CONFIG_LINUX
1238 /* only the linux version is qdev-ified, usb-bsd still needs this */
1239 if (strstart(devname, "host:", &p)) {
1240 dev = usb_host_device_open(usb_bus_find(-1), p);
1241 }
1242 #endif
1243 if (!dev)
1244 return -1;
1245
1246 done:
1247 return 0;
1248 }
1249
1250 static int usb_device_del(const char *devname)
1251 {
1252 int bus_num, addr;
1253 const char *p;
1254
1255 if (strstart(devname, "host:", &p)) {
1256 return -1;
1257 }
1258
1259 if (!usb_enabled(false)) {
1260 return -1;
1261 }
1262
1263 p = strchr(devname, '.');
1264 if (!p)
1265 return -1;
1266 bus_num = strtoul(devname, NULL, 0);
1267 addr = strtoul(p + 1, NULL, 0);
1268
1269 return usb_device_delete_addr(bus_num, addr);
1270 }
1271
1272 static int usb_parse(const char *cmdline)
1273 {
1274 int r;
1275 r = usb_device_add(cmdline);
1276 if (r < 0) {
1277 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1278 }
1279 return r;
1280 }
1281
1282 void do_usb_add(Monitor *mon, const QDict *qdict)
1283 {
1284 const char *devname = qdict_get_str(qdict, "devname");
1285 if (usb_device_add(devname) < 0) {
1286 error_report("could not add USB device '%s'", devname);
1287 }
1288 }
1289
1290 void do_usb_del(Monitor *mon, const QDict *qdict)
1291 {
1292 const char *devname = qdict_get_str(qdict, "devname");
1293 if (usb_device_del(devname) < 0) {
1294 error_report("could not delete USB device '%s'", devname);
1295 }
1296 }
1297
1298 /***********************************************************/
1299 /* machine registration */
1300
1301 MachineState *current_machine;
1302
1303 static void machine_class_init(ObjectClass *oc, void *data)
1304 {
1305 MachineClass *mc = MACHINE_CLASS(oc);
1306 QEMUMachine *qm = data;
1307
1308 mc->family = qm->family;
1309 mc->name = qm->name;
1310 mc->alias = qm->alias;
1311 mc->desc = qm->desc;
1312 mc->init = qm->init;
1313 mc->reset = qm->reset;
1314 mc->hot_add_cpu = qm->hot_add_cpu;
1315 mc->kvm_type = qm->kvm_type;
1316 mc->block_default_type = qm->block_default_type;
1317 mc->units_per_default_bus = qm->units_per_default_bus;
1318 mc->max_cpus = qm->max_cpus;
1319 mc->no_serial = qm->no_serial;
1320 mc->no_parallel = qm->no_parallel;
1321 mc->use_virtcon = qm->use_virtcon;
1322 mc->use_sclp = qm->use_sclp;
1323 mc->no_floppy = qm->no_floppy;
1324 mc->no_cdrom = qm->no_cdrom;
1325 mc->no_sdcard = qm->no_sdcard;
1326 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1327 mc->is_default = qm->is_default;
1328 mc->default_machine_opts = qm->default_machine_opts;
1329 mc->default_boot_order = qm->default_boot_order;
1330 mc->default_display = qm->default_display;
1331 mc->compat_props = qm->compat_props;
1332 mc->hw_version = qm->hw_version;
1333 }
1334
1335 int qemu_register_machine(QEMUMachine *m)
1336 {
1337 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1338 TypeInfo ti = {
1339 .name = name,
1340 .parent = TYPE_MACHINE,
1341 .class_init = machine_class_init,
1342 .class_data = (void *)m,
1343 };
1344
1345 type_register(&ti);
1346 g_free(name);
1347
1348 return 0;
1349 }
1350
1351 static MachineClass *find_machine(const char *name)
1352 {
1353 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1354 MachineClass *mc = NULL;
1355
1356 for (el = machines; el; el = el->next) {
1357 MachineClass *temp = el->data;
1358
1359 if (!strcmp(temp->name, name)) {
1360 mc = temp;
1361 break;
1362 }
1363 if (temp->alias &&
1364 !strcmp(temp->alias, name)) {
1365 mc = temp;
1366 break;
1367 }
1368 }
1369
1370 g_slist_free(machines);
1371 return mc;
1372 }
1373
1374 MachineClass *find_default_machine(void)
1375 {
1376 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1377 MachineClass *mc = NULL;
1378
1379 for (el = machines; el; el = el->next) {
1380 MachineClass *temp = el->data;
1381
1382 if (temp->is_default) {
1383 mc = temp;
1384 break;
1385 }
1386 }
1387
1388 g_slist_free(machines);
1389 return mc;
1390 }
1391
1392 MachineInfoList *qmp_query_machines(Error **errp)
1393 {
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineInfoList *mach_list = NULL;
1396
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *mc = el->data;
1399 MachineInfoList *entry;
1400 MachineInfo *info;
1401
1402 info = g_malloc0(sizeof(*info));
1403 if (mc->is_default) {
1404 info->has_is_default = true;
1405 info->is_default = true;
1406 }
1407
1408 if (mc->alias) {
1409 info->has_alias = true;
1410 info->alias = g_strdup(mc->alias);
1411 }
1412
1413 info->name = g_strdup(mc->name);
1414 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1415
1416 entry = g_malloc0(sizeof(*entry));
1417 entry->value = info;
1418 entry->next = mach_list;
1419 mach_list = entry;
1420 }
1421
1422 g_slist_free(machines);
1423 return mach_list;
1424 }
1425
1426 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1427 {
1428 ObjectProperty *prop;
1429
1430 if (!qemu_opt_has_help_opt(opts)) {
1431 return 0;
1432 }
1433
1434 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1435 if (!prop->set) {
1436 continue;
1437 }
1438
1439 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1440 prop->name, prop->type);
1441 if (prop->description) {
1442 error_printf(" (%s)\n", prop->description);
1443 } else {
1444 error_printf("\n");
1445 }
1446 }
1447
1448 return 1;
1449 }
1450
1451 /***********************************************************/
1452 /* main execution loop */
1453
1454 struct vm_change_state_entry {
1455 VMChangeStateHandler *cb;
1456 void *opaque;
1457 QLIST_ENTRY (vm_change_state_entry) entries;
1458 };
1459
1460 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1461
1462 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1463 void *opaque)
1464 {
1465 VMChangeStateEntry *e;
1466
1467 e = g_malloc0(sizeof (*e));
1468
1469 e->cb = cb;
1470 e->opaque = opaque;
1471 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1472 return e;
1473 }
1474
1475 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1476 {
1477 QLIST_REMOVE (e, entries);
1478 g_free (e);
1479 }
1480
1481 void vm_state_notify(int running, RunState state)
1482 {
1483 VMChangeStateEntry *e, *next;
1484
1485 trace_vm_state_notify(running, state);
1486
1487 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1488 e->cb(e->opaque, running, state);
1489 }
1490 }
1491
1492 /* reset/shutdown handler */
1493
1494 typedef struct QEMUResetEntry {
1495 QTAILQ_ENTRY(QEMUResetEntry) entry;
1496 QEMUResetHandler *func;
1497 void *opaque;
1498 } QEMUResetEntry;
1499
1500 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1501 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1502 static int reset_requested;
1503 static int shutdown_requested, shutdown_signal = -1;
1504 static pid_t shutdown_pid;
1505 static int powerdown_requested;
1506 static int debug_requested;
1507 static int suspend_requested;
1508 static WakeupReason wakeup_reason;
1509 static NotifierList powerdown_notifiers =
1510 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1511 static NotifierList suspend_notifiers =
1512 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1513 static NotifierList wakeup_notifiers =
1514 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1515 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1516
1517 int qemu_shutdown_requested_get(void)
1518 {
1519 return shutdown_requested;
1520 }
1521
1522 int qemu_reset_requested_get(void)
1523 {
1524 return reset_requested;
1525 }
1526
1527 static int qemu_shutdown_requested(void)
1528 {
1529 return atomic_xchg(&shutdown_requested, 0);
1530 }
1531
1532 static void qemu_kill_report(void)
1533 {
1534 if (!qtest_driver() && shutdown_signal != -1) {
1535 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1536 if (shutdown_pid == 0) {
1537 /* This happens for eg ^C at the terminal, so it's worth
1538 * avoiding printing an odd message in that case.
1539 */
1540 fputc('\n', stderr);
1541 } else {
1542 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1543 }
1544 shutdown_signal = -1;
1545 }
1546 }
1547
1548 static int qemu_reset_requested(void)
1549 {
1550 int r = reset_requested;
1551 reset_requested = 0;
1552 return r;
1553 }
1554
1555 static int qemu_suspend_requested(void)
1556 {
1557 int r = suspend_requested;
1558 suspend_requested = 0;
1559 return r;
1560 }
1561
1562 static WakeupReason qemu_wakeup_requested(void)
1563 {
1564 return wakeup_reason;
1565 }
1566
1567 static int qemu_powerdown_requested(void)
1568 {
1569 int r = powerdown_requested;
1570 powerdown_requested = 0;
1571 return r;
1572 }
1573
1574 static int qemu_debug_requested(void)
1575 {
1576 int r = debug_requested;
1577 debug_requested = 0;
1578 return r;
1579 }
1580
1581 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1582 {
1583 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1584
1585 re->func = func;
1586 re->opaque = opaque;
1587 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1588 }
1589
1590 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1591 {
1592 QEMUResetEntry *re;
1593
1594 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1595 if (re->func == func && re->opaque == opaque) {
1596 QTAILQ_REMOVE(&reset_handlers, re, entry);
1597 g_free(re);
1598 return;
1599 }
1600 }
1601 }
1602
1603 void qemu_devices_reset(void)
1604 {
1605 QEMUResetEntry *re, *nre;
1606
1607 /* reset all devices */
1608 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1609 re->func(re->opaque);
1610 }
1611 }
1612
1613 void qemu_system_reset(bool report)
1614 {
1615 MachineClass *mc;
1616
1617 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1618
1619 if (mc && mc->reset) {
1620 mc->reset();
1621 } else {
1622 qemu_devices_reset();
1623 }
1624 if (report) {
1625 qapi_event_send_reset(&error_abort);
1626 }
1627 cpu_synchronize_all_post_reset();
1628 }
1629
1630 void qemu_system_reset_request(void)
1631 {
1632 if (no_reboot) {
1633 shutdown_requested = 1;
1634 } else {
1635 reset_requested = 1;
1636 }
1637 cpu_stop_current();
1638 qemu_notify_event();
1639 }
1640
1641 static void qemu_system_suspend(void)
1642 {
1643 pause_all_vcpus();
1644 notifier_list_notify(&suspend_notifiers, NULL);
1645 runstate_set(RUN_STATE_SUSPENDED);
1646 qapi_event_send_suspend(&error_abort);
1647 }
1648
1649 void qemu_system_suspend_request(void)
1650 {
1651 if (runstate_check(RUN_STATE_SUSPENDED)) {
1652 return;
1653 }
1654 suspend_requested = 1;
1655 cpu_stop_current();
1656 qemu_notify_event();
1657 }
1658
1659 void qemu_register_suspend_notifier(Notifier *notifier)
1660 {
1661 notifier_list_add(&suspend_notifiers, notifier);
1662 }
1663
1664 void qemu_system_wakeup_request(WakeupReason reason)
1665 {
1666 trace_system_wakeup_request(reason);
1667
1668 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1669 return;
1670 }
1671 if (!(wakeup_reason_mask & (1 << reason))) {
1672 return;
1673 }
1674 runstate_set(RUN_STATE_RUNNING);
1675 wakeup_reason = reason;
1676 qemu_notify_event();
1677 }
1678
1679 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1680 {
1681 if (enabled) {
1682 wakeup_reason_mask |= (1 << reason);
1683 } else {
1684 wakeup_reason_mask &= ~(1 << reason);
1685 }
1686 }
1687
1688 void qemu_register_wakeup_notifier(Notifier *notifier)
1689 {
1690 notifier_list_add(&wakeup_notifiers, notifier);
1691 }
1692
1693 void qemu_system_killed(int signal, pid_t pid)
1694 {
1695 shutdown_signal = signal;
1696 shutdown_pid = pid;
1697 no_shutdown = 0;
1698 qemu_system_shutdown_request();
1699 }
1700
1701 void qemu_system_shutdown_request(void)
1702 {
1703 trace_qemu_system_shutdown_request();
1704 shutdown_requested = 1;
1705 qemu_notify_event();
1706 }
1707
1708 static void qemu_system_powerdown(void)
1709 {
1710 qapi_event_send_powerdown(&error_abort);
1711 notifier_list_notify(&powerdown_notifiers, NULL);
1712 }
1713
1714 void qemu_system_powerdown_request(void)
1715 {
1716 trace_qemu_system_powerdown_request();
1717 powerdown_requested = 1;
1718 qemu_notify_event();
1719 }
1720
1721 void qemu_register_powerdown_notifier(Notifier *notifier)
1722 {
1723 notifier_list_add(&powerdown_notifiers, notifier);
1724 }
1725
1726 void qemu_system_debug_request(void)
1727 {
1728 debug_requested = 1;
1729 qemu_notify_event();
1730 }
1731
1732 static bool main_loop_should_exit(void)
1733 {
1734 RunState r;
1735 if (qemu_debug_requested()) {
1736 vm_stop(RUN_STATE_DEBUG);
1737 }
1738 if (qemu_suspend_requested()) {
1739 qemu_system_suspend();
1740 }
1741 if (qemu_shutdown_requested()) {
1742 qemu_kill_report();
1743 qapi_event_send_shutdown(&error_abort);
1744 if (no_shutdown) {
1745 vm_stop(RUN_STATE_SHUTDOWN);
1746 } else {
1747 return true;
1748 }
1749 }
1750 if (qemu_reset_requested()) {
1751 pause_all_vcpus();
1752 cpu_synchronize_all_states();
1753 qemu_system_reset(VMRESET_REPORT);
1754 resume_all_vcpus();
1755 if (runstate_needs_reset()) {
1756 runstate_set(RUN_STATE_PAUSED);
1757 }
1758 }
1759 if (qemu_wakeup_requested()) {
1760 pause_all_vcpus();
1761 cpu_synchronize_all_states();
1762 qemu_system_reset(VMRESET_SILENT);
1763 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1764 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1765 resume_all_vcpus();
1766 qapi_event_send_wakeup(&error_abort);
1767 }
1768 if (qemu_powerdown_requested()) {
1769 qemu_system_powerdown();
1770 }
1771 if (qemu_vmstop_requested(&r)) {
1772 vm_stop(r);
1773 }
1774 return false;
1775 }
1776
1777 static void main_loop(void)
1778 {
1779 bool nonblocking;
1780 int last_io = 0;
1781 #ifdef CONFIG_PROFILER
1782 int64_t ti;
1783 #endif
1784 do {
1785 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1786 #ifdef CONFIG_PROFILER
1787 ti = profile_getclock();
1788 #endif
1789 last_io = main_loop_wait(nonblocking);
1790 #ifdef CONFIG_PROFILER
1791 dev_time += profile_getclock() - ti;
1792 #endif
1793 } while (!main_loop_should_exit());
1794 }
1795
1796 static void version(void)
1797 {
1798 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1799 }
1800
1801 static void help(int exitcode)
1802 {
1803 version();
1804 printf("usage: %s [options] [disk_image]\n\n"
1805 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1806 error_get_progname());
1807
1808 #define QEMU_OPTIONS_GENERATE_HELP
1809 #include "qemu-options-wrapper.h"
1810
1811 printf("\nDuring emulation, the following keys are useful:\n"
1812 "ctrl-alt-f toggle full screen\n"
1813 "ctrl-alt-n switch to virtual console 'n'\n"
1814 "ctrl-alt toggle mouse and keyboard grab\n"
1815 "\n"
1816 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1817
1818 exit(exitcode);
1819 }
1820
1821 #define HAS_ARG 0x0001
1822
1823 typedef struct QEMUOption {
1824 const char *name;
1825 int flags;
1826 int index;
1827 uint32_t arch_mask;
1828 } QEMUOption;
1829
1830 static const QEMUOption qemu_options[] = {
1831 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1832 #define QEMU_OPTIONS_GENERATE_OPTIONS
1833 #include "qemu-options-wrapper.h"
1834 { NULL },
1835 };
1836
1837 static bool vga_available(void)
1838 {
1839 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1840 }
1841
1842 static bool cirrus_vga_available(void)
1843 {
1844 return object_class_by_name("cirrus-vga")
1845 || object_class_by_name("isa-cirrus-vga");
1846 }
1847
1848 static bool vmware_vga_available(void)
1849 {
1850 return object_class_by_name("vmware-svga");
1851 }
1852
1853 static bool qxl_vga_available(void)
1854 {
1855 return object_class_by_name("qxl-vga");
1856 }
1857
1858 static bool tcx_vga_available(void)
1859 {
1860 return object_class_by_name("SUNW,tcx");
1861 }
1862
1863 static bool cg3_vga_available(void)
1864 {
1865 return object_class_by_name("cgthree");
1866 }
1867
1868 static void select_vgahw (const char *p)
1869 {
1870 const char *opts;
1871
1872 assert(vga_interface_type == VGA_NONE);
1873 if (strstart(p, "std", &opts)) {
1874 if (vga_available()) {
1875 vga_interface_type = VGA_STD;
1876 } else {
1877 fprintf(stderr, "Error: standard VGA not available\n");
1878 exit(0);
1879 }
1880 } else if (strstart(p, "cirrus", &opts)) {
1881 if (cirrus_vga_available()) {
1882 vga_interface_type = VGA_CIRRUS;
1883 } else {
1884 fprintf(stderr, "Error: Cirrus VGA not available\n");
1885 exit(0);
1886 }
1887 } else if (strstart(p, "vmware", &opts)) {
1888 if (vmware_vga_available()) {
1889 vga_interface_type = VGA_VMWARE;
1890 } else {
1891 fprintf(stderr, "Error: VMWare SVGA not available\n");
1892 exit(0);
1893 }
1894 } else if (strstart(p, "xenfb", &opts)) {
1895 vga_interface_type = VGA_XENFB;
1896 } else if (strstart(p, "qxl", &opts)) {
1897 if (qxl_vga_available()) {
1898 vga_interface_type = VGA_QXL;
1899 } else {
1900 fprintf(stderr, "Error: QXL VGA not available\n");
1901 exit(0);
1902 }
1903 } else if (strstart(p, "tcx", &opts)) {
1904 if (tcx_vga_available()) {
1905 vga_interface_type = VGA_TCX;
1906 } else {
1907 fprintf(stderr, "Error: TCX framebuffer not available\n");
1908 exit(0);
1909 }
1910 } else if (strstart(p, "cg3", &opts)) {
1911 if (cg3_vga_available()) {
1912 vga_interface_type = VGA_CG3;
1913 } else {
1914 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1915 exit(0);
1916 }
1917 } else if (!strstart(p, "none", &opts)) {
1918 invalid_vga:
1919 fprintf(stderr, "Unknown vga type: %s\n", p);
1920 exit(1);
1921 }
1922 while (*opts) {
1923 const char *nextopt;
1924
1925 if (strstart(opts, ",retrace=", &nextopt)) {
1926 opts = nextopt;
1927 if (strstart(opts, "dumb", &nextopt))
1928 vga_retrace_method = VGA_RETRACE_DUMB;
1929 else if (strstart(opts, "precise", &nextopt))
1930 vga_retrace_method = VGA_RETRACE_PRECISE;
1931 else goto invalid_vga;
1932 } else goto invalid_vga;
1933 opts = nextopt;
1934 }
1935 }
1936
1937 static DisplayType select_display(const char *p)
1938 {
1939 const char *opts;
1940 DisplayType display = DT_DEFAULT;
1941
1942 if (strstart(p, "sdl", &opts)) {
1943 #ifdef CONFIG_SDL
1944 display = DT_SDL;
1945 while (*opts) {
1946 const char *nextopt;
1947
1948 if (strstart(opts, ",frame=", &nextopt)) {
1949 opts = nextopt;
1950 if (strstart(opts, "on", &nextopt)) {
1951 no_frame = 0;
1952 } else if (strstart(opts, "off", &nextopt)) {
1953 no_frame = 1;
1954 } else {
1955 goto invalid_sdl_args;
1956 }
1957 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1958 opts = nextopt;
1959 if (strstart(opts, "on", &nextopt)) {
1960 alt_grab = 1;
1961 } else if (strstart(opts, "off", &nextopt)) {
1962 alt_grab = 0;
1963 } else {
1964 goto invalid_sdl_args;
1965 }
1966 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1967 opts = nextopt;
1968 if (strstart(opts, "on", &nextopt)) {
1969 ctrl_grab = 1;
1970 } else if (strstart(opts, "off", &nextopt)) {
1971 ctrl_grab = 0;
1972 } else {
1973 goto invalid_sdl_args;
1974 }
1975 } else if (strstart(opts, ",window_close=", &nextopt)) {
1976 opts = nextopt;
1977 if (strstart(opts, "on", &nextopt)) {
1978 no_quit = 0;
1979 } else if (strstart(opts, "off", &nextopt)) {
1980 no_quit = 1;
1981 } else {
1982 goto invalid_sdl_args;
1983 }
1984 } else {
1985 invalid_sdl_args:
1986 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1987 exit(1);
1988 }
1989 opts = nextopt;
1990 }
1991 #else
1992 fprintf(stderr, "SDL support is disabled\n");
1993 exit(1);
1994 #endif
1995 } else if (strstart(p, "vnc", &opts)) {
1996 #ifdef CONFIG_VNC
1997 display_remote++;
1998
1999 if (*opts) {
2000 const char *nextopt;
2001
2002 if (strstart(opts, "=", &nextopt)) {
2003 vnc_display = nextopt;
2004 }
2005 }
2006 if (!vnc_display) {
2007 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2008 exit(1);
2009 }
2010 #else
2011 fprintf(stderr, "VNC support is disabled\n");
2012 exit(1);
2013 #endif
2014 } else if (strstart(p, "curses", &opts)) {
2015 #ifdef CONFIG_CURSES
2016 display = DT_CURSES;
2017 #else
2018 fprintf(stderr, "Curses support is disabled\n");
2019 exit(1);
2020 #endif
2021 } else if (strstart(p, "gtk", &opts)) {
2022 #ifdef CONFIG_GTK
2023 display = DT_GTK;
2024 while (*opts) {
2025 const char *nextopt;
2026
2027 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2028 opts = nextopt;
2029 if (strstart(opts, "on", &nextopt)) {
2030 grab_on_hover = true;
2031 } else if (strstart(opts, "off", &nextopt)) {
2032 grab_on_hover = false;
2033 } else {
2034 goto invalid_gtk_args;
2035 }
2036 } else {
2037 invalid_gtk_args:
2038 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2039 exit(1);
2040 }
2041 opts = nextopt;
2042 }
2043 #else
2044 fprintf(stderr, "GTK support is disabled\n");
2045 exit(1);
2046 #endif
2047 } else if (strstart(p, "none", &opts)) {
2048 display = DT_NONE;
2049 } else {
2050 fprintf(stderr, "Unknown display type: %s\n", p);
2051 exit(1);
2052 }
2053
2054 return display;
2055 }
2056
2057 static int balloon_parse(const char *arg)
2058 {
2059 QemuOpts *opts;
2060
2061 if (strcmp(arg, "none") == 0) {
2062 return 0;
2063 }
2064
2065 if (!strncmp(arg, "virtio", 6)) {
2066 if (arg[6] == ',') {
2067 /* have params -> parse them */
2068 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2069 if (!opts)
2070 return -1;
2071 } else {
2072 /* create empty opts */
2073 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2074 &error_abort);
2075 }
2076 qemu_opt_set(opts, "driver", "virtio-balloon");
2077 return 0;
2078 }
2079
2080 return -1;
2081 }
2082
2083 char *qemu_find_file(int type, const char *name)
2084 {
2085 int i;
2086 const char *subdir;
2087 char *buf;
2088
2089 /* Try the name as a straight path first */
2090 if (access(name, R_OK) == 0) {
2091 trace_load_file(name, name);
2092 return g_strdup(name);
2093 }
2094
2095 switch (type) {
2096 case QEMU_FILE_TYPE_BIOS:
2097 subdir = "";
2098 break;
2099 case QEMU_FILE_TYPE_KEYMAP:
2100 subdir = "keymaps/";
2101 break;
2102 default:
2103 abort();
2104 }
2105
2106 for (i = 0; i < data_dir_idx; i++) {
2107 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2108 if (access(buf, R_OK) == 0) {
2109 trace_load_file(name, buf);
2110 return buf;
2111 }
2112 g_free(buf);
2113 }
2114 return NULL;
2115 }
2116
2117 static int device_help_func(QemuOpts *opts, void *opaque)
2118 {
2119 return qdev_device_help(opts);
2120 }
2121
2122 static int device_init_func(QemuOpts *opts, void *opaque)
2123 {
2124 DeviceState *dev;
2125
2126 dev = qdev_device_add(opts);
2127 if (!dev)
2128 return -1;
2129 object_unref(OBJECT(dev));
2130 return 0;
2131 }
2132
2133 static int chardev_init_func(QemuOpts *opts, void *opaque)
2134 {
2135 Error *local_err = NULL;
2136
2137 qemu_chr_new_from_opts(opts, NULL, &local_err);
2138 if (local_err) {
2139 error_report("%s", error_get_pretty(local_err));
2140 error_free(local_err);
2141 return -1;
2142 }
2143 return 0;
2144 }
2145
2146 #ifdef CONFIG_VIRTFS
2147 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2148 {
2149 int ret;
2150 ret = qemu_fsdev_add(opts);
2151
2152 return ret;
2153 }
2154 #endif
2155
2156 static int mon_init_func(QemuOpts *opts, void *opaque)
2157 {
2158 CharDriverState *chr;
2159 const char *chardev;
2160 const char *mode;
2161 int flags;
2162
2163 mode = qemu_opt_get(opts, "mode");
2164 if (mode == NULL) {
2165 mode = "readline";
2166 }
2167 if (strcmp(mode, "readline") == 0) {
2168 flags = MONITOR_USE_READLINE;
2169 } else if (strcmp(mode, "control") == 0) {
2170 flags = MONITOR_USE_CONTROL;
2171 } else {
2172 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2173 exit(1);
2174 }
2175
2176 if (qemu_opt_get_bool(opts, "pretty", 0))
2177 flags |= MONITOR_USE_PRETTY;
2178
2179 if (qemu_opt_get_bool(opts, "default", 0))
2180 flags |= MONITOR_IS_DEFAULT;
2181
2182 chardev = qemu_opt_get(opts, "chardev");
2183 chr = qemu_chr_find(chardev);
2184 if (chr == NULL) {
2185 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2186 exit(1);
2187 }
2188
2189 qemu_chr_fe_claim_no_fail(chr);
2190 monitor_init(chr, flags);
2191 return 0;
2192 }
2193
2194 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2195 {
2196 static int monitor_device_index = 0;
2197 QemuOpts *opts;
2198 const char *p;
2199 char label[32];
2200 int def = 0;
2201
2202 if (strstart(optarg, "chardev:", &p)) {
2203 snprintf(label, sizeof(label), "%s", p);
2204 } else {
2205 snprintf(label, sizeof(label), "compat_monitor%d",
2206 monitor_device_index);
2207 if (monitor_device_index == 0) {
2208 def = 1;
2209 }
2210 opts = qemu_chr_parse_compat(label, optarg);
2211 if (!opts) {
2212 fprintf(stderr, "parse error: %s\n", optarg);
2213 exit(1);
2214 }
2215 }
2216
2217 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2218 if (!opts) {
2219 fprintf(stderr, "duplicate chardev: %s\n", label);
2220 exit(1);
2221 }
2222 qemu_opt_set(opts, "mode", mode);
2223 qemu_opt_set(opts, "chardev", label);
2224 qemu_opt_set_bool(opts, "pretty", pretty);
2225 if (def)
2226 qemu_opt_set(opts, "default", "on");
2227 monitor_device_index++;
2228 }
2229
2230 struct device_config {
2231 enum {
2232 DEV_USB, /* -usbdevice */
2233 DEV_BT, /* -bt */
2234 DEV_SERIAL, /* -serial */
2235 DEV_PARALLEL, /* -parallel */
2236 DEV_VIRTCON, /* -virtioconsole */
2237 DEV_DEBUGCON, /* -debugcon */
2238 DEV_GDB, /* -gdb, -s */
2239 DEV_SCLP, /* s390 sclp */
2240 } type;
2241 const char *cmdline;
2242 Location loc;
2243 QTAILQ_ENTRY(device_config) next;
2244 };
2245
2246 static QTAILQ_HEAD(, device_config) device_configs =
2247 QTAILQ_HEAD_INITIALIZER(device_configs);
2248
2249 static void add_device_config(int type, const char *cmdline)
2250 {
2251 struct device_config *conf;
2252
2253 conf = g_malloc0(sizeof(*conf));
2254 conf->type = type;
2255 conf->cmdline = cmdline;
2256 loc_save(&conf->loc);
2257 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2258 }
2259
2260 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2261 {
2262 struct device_config *conf;
2263 int rc;
2264
2265 QTAILQ_FOREACH(conf, &device_configs, next) {
2266 if (conf->type != type)
2267 continue;
2268 loc_push_restore(&conf->loc);
2269 rc = func(conf->cmdline);
2270 loc_pop(&conf->loc);
2271 if (rc) {
2272 return rc;
2273 }
2274 }
2275 return 0;
2276 }
2277
2278 static int serial_parse(const char *devname)
2279 {
2280 static int index = 0;
2281 char label[32];
2282
2283 if (strcmp(devname, "none") == 0)
2284 return 0;
2285 if (index == MAX_SERIAL_PORTS) {
2286 fprintf(stderr, "qemu: too many serial ports\n");
2287 exit(1);
2288 }
2289 snprintf(label, sizeof(label), "serial%d", index);
2290 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2291 if (!serial_hds[index]) {
2292 fprintf(stderr, "qemu: could not connect serial device"
2293 " to character backend '%s'\n", devname);
2294 return -1;
2295 }
2296 index++;
2297 return 0;
2298 }
2299
2300 static int parallel_parse(const char *devname)
2301 {
2302 static int index = 0;
2303 char label[32];
2304
2305 if (strcmp(devname, "none") == 0)
2306 return 0;
2307 if (index == MAX_PARALLEL_PORTS) {
2308 fprintf(stderr, "qemu: too many parallel ports\n");
2309 exit(1);
2310 }
2311 snprintf(label, sizeof(label), "parallel%d", index);
2312 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2313 if (!parallel_hds[index]) {
2314 fprintf(stderr, "qemu: could not connect parallel device"
2315 " to character backend '%s'\n", devname);
2316 return -1;
2317 }
2318 index++;
2319 return 0;
2320 }
2321
2322 static int virtcon_parse(const char *devname)
2323 {
2324 QemuOptsList *device = qemu_find_opts("device");
2325 static int index = 0;
2326 char label[32];
2327 QemuOpts *bus_opts, *dev_opts;
2328
2329 if (strcmp(devname, "none") == 0)
2330 return 0;
2331 if (index == MAX_VIRTIO_CONSOLES) {
2332 fprintf(stderr, "qemu: too many virtio consoles\n");
2333 exit(1);
2334 }
2335
2336 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2337 if (arch_type == QEMU_ARCH_S390X) {
2338 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2339 } else {
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2341 }
2342
2343 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2344 qemu_opt_set(dev_opts, "driver", "virtconsole");
2345
2346 snprintf(label, sizeof(label), "virtcon%d", index);
2347 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2348 if (!virtcon_hds[index]) {
2349 fprintf(stderr, "qemu: could not connect virtio console"
2350 " to character backend '%s'\n", devname);
2351 return -1;
2352 }
2353 qemu_opt_set(dev_opts, "chardev", label);
2354
2355 index++;
2356 return 0;
2357 }
2358
2359 static int sclp_parse(const char *devname)
2360 {
2361 QemuOptsList *device = qemu_find_opts("device");
2362 static int index = 0;
2363 char label[32];
2364 QemuOpts *dev_opts;
2365
2366 if (strcmp(devname, "none") == 0) {
2367 return 0;
2368 }
2369 if (index == MAX_SCLP_CONSOLES) {
2370 fprintf(stderr, "qemu: too many sclp consoles\n");
2371 exit(1);
2372 }
2373
2374 assert(arch_type == QEMU_ARCH_S390X);
2375
2376 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2377 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2378
2379 snprintf(label, sizeof(label), "sclpcon%d", index);
2380 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2381 if (!sclp_hds[index]) {
2382 fprintf(stderr, "qemu: could not connect sclp console"
2383 " to character backend '%s'\n", devname);
2384 return -1;
2385 }
2386 qemu_opt_set(dev_opts, "chardev", label);
2387
2388 index++;
2389 return 0;
2390 }
2391
2392 static int debugcon_parse(const char *devname)
2393 {
2394 QemuOpts *opts;
2395
2396 if (!qemu_chr_new("debugcon", devname, NULL)) {
2397 exit(1);
2398 }
2399 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2400 if (!opts) {
2401 fprintf(stderr, "qemu: already have a debugcon device\n");
2402 exit(1);
2403 }
2404 qemu_opt_set(opts, "driver", "isa-debugcon");
2405 qemu_opt_set(opts, "chardev", "debugcon");
2406 return 0;
2407 }
2408
2409 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2410 {
2411 const MachineClass *mc1 = a, *mc2 = b;
2412 int res;
2413
2414 if (mc1->family == NULL) {
2415 if (mc2->family == NULL) {
2416 /* Compare standalone machine types against each other; they sort
2417 * in increasing order.
2418 */
2419 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2420 object_class_get_name(OBJECT_CLASS(mc2)));
2421 }
2422
2423 /* Standalone machine types sort after families. */
2424 return 1;
2425 }
2426
2427 if (mc2->family == NULL) {
2428 /* Families sort before standalone machine types. */
2429 return -1;
2430 }
2431
2432 /* Families sort between each other alphabetically increasingly. */
2433 res = strcmp(mc1->family, mc2->family);
2434 if (res != 0) {
2435 return res;
2436 }
2437
2438 /* Within the same family, machine types sort in decreasing order. */
2439 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2440 object_class_get_name(OBJECT_CLASS(mc1)));
2441 }
2442
2443 static MachineClass *machine_parse(const char *name)
2444 {
2445 MachineClass *mc = NULL;
2446 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2447
2448 if (name) {
2449 mc = find_machine(name);
2450 }
2451 if (mc) {
2452 return mc;
2453 }
2454 if (name && !is_help_option(name)) {
2455 error_report("Unsupported machine type");
2456 error_printf("Use -machine help to list supported machines!\n");
2457 } else {
2458 printf("Supported machines are:\n");
2459 machines = g_slist_sort(machines, machine_class_cmp);
2460 for (el = machines; el; el = el->next) {
2461 MachineClass *mc = el->data;
2462 if (mc->alias) {
2463 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2464 }
2465 printf("%-20s %s%s\n", mc->name, mc->desc,
2466 mc->is_default ? " (default)" : "");
2467 }
2468 }
2469
2470 g_slist_free(machines);
2471 exit(!name || !is_help_option(name));
2472 }
2473
2474 void qemu_add_exit_notifier(Notifier *notify)
2475 {
2476 notifier_list_add(&exit_notifiers, notify);
2477 }
2478
2479 void qemu_remove_exit_notifier(Notifier *notify)
2480 {
2481 notifier_remove(notify);
2482 }
2483
2484 static void qemu_run_exit_notifiers(void)
2485 {
2486 notifier_list_notify(&exit_notifiers, NULL);
2487 }
2488
2489 void qemu_add_machine_init_done_notifier(Notifier *notify)
2490 {
2491 notifier_list_add(&machine_init_done_notifiers, notify);
2492 }
2493
2494 static void qemu_run_machine_init_done_notifiers(void)
2495 {
2496 notifier_list_notify(&machine_init_done_notifiers, NULL);
2497 }
2498
2499 static const QEMUOption *lookup_opt(int argc, char **argv,
2500 const char **poptarg, int *poptind)
2501 {
2502 const QEMUOption *popt;
2503 int optind = *poptind;
2504 char *r = argv[optind];
2505 const char *optarg;
2506
2507 loc_set_cmdline(argv, optind, 1);
2508 optind++;
2509 /* Treat --foo the same as -foo. */
2510 if (r[1] == '-')
2511 r++;
2512 popt = qemu_options;
2513 for(;;) {
2514 if (!popt->name) {
2515 error_report("invalid option");
2516 exit(1);
2517 }
2518 if (!strcmp(popt->name, r + 1))
2519 break;
2520 popt++;
2521 }
2522 if (popt->flags & HAS_ARG) {
2523 if (optind >= argc) {
2524 error_report("requires an argument");
2525 exit(1);
2526 }
2527 optarg = argv[optind++];
2528 loc_set_cmdline(argv, optind - 2, 2);
2529 } else {
2530 optarg = NULL;
2531 }
2532
2533 *poptarg = optarg;
2534 *poptind = optind;
2535
2536 return popt;
2537 }
2538
2539 static gpointer malloc_and_trace(gsize n_bytes)
2540 {
2541 void *ptr = malloc(n_bytes);
2542 trace_g_malloc(n_bytes, ptr);
2543 return ptr;
2544 }
2545
2546 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2547 {
2548 void *ptr = realloc(mem, n_bytes);
2549 trace_g_realloc(mem, n_bytes, ptr);
2550 return ptr;
2551 }
2552
2553 static void free_and_trace(gpointer mem)
2554 {
2555 trace_g_free(mem);
2556 free(mem);
2557 }
2558
2559 static int machine_set_property(const char *name, const char *value,
2560 void *opaque)
2561 {
2562 Object *obj = OBJECT(opaque);
2563 Error *local_err = NULL;
2564 char *c, *qom_name;
2565
2566 if (strcmp(name, "type") == 0) {
2567 return 0;
2568 }
2569
2570 qom_name = g_strdup(name);
2571 c = qom_name;
2572 while (*c++) {
2573 if (*c == '_') {
2574 *c = '-';
2575 }
2576 }
2577
2578 object_property_parse(obj, value, qom_name, &local_err);
2579 g_free(qom_name);
2580
2581 if (local_err) {
2582 qerror_report_err(local_err);
2583 error_free(local_err);
2584 return -1;
2585 }
2586
2587 return 0;
2588 }
2589
2590 static int object_create(QemuOpts *opts, void *opaque)
2591 {
2592 Error *err = NULL;
2593 char *type = NULL;
2594 char *id = NULL;
2595 void *dummy = NULL;
2596 OptsVisitor *ov;
2597 QDict *pdict;
2598
2599 ov = opts_visitor_new(opts);
2600 pdict = qemu_opts_to_qdict(opts, NULL);
2601
2602 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2603 if (err) {
2604 goto out;
2605 }
2606
2607 qdict_del(pdict, "qom-type");
2608 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2609 if (err) {
2610 goto out;
2611 }
2612
2613 qdict_del(pdict, "id");
2614 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2615 if (err) {
2616 goto out;
2617 }
2618
2619 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2620 if (err) {
2621 goto out;
2622 }
2623 visit_end_struct(opts_get_visitor(ov), &err);
2624 if (err) {
2625 qmp_object_del(id, NULL);
2626 }
2627
2628 out:
2629 opts_visitor_cleanup(ov);
2630
2631 QDECREF(pdict);
2632 g_free(id);
2633 g_free(type);
2634 g_free(dummy);
2635 if (err) {
2636 qerror_report_err(err);
2637 error_free(err);
2638 return -1;
2639 }
2640 return 0;
2641 }
2642
2643 int main(int argc, char **argv, char **envp)
2644 {
2645 int i;
2646 int snapshot, linux_boot;
2647 const char *initrd_filename;
2648 const char *kernel_filename, *kernel_cmdline;
2649 const char *boot_order;
2650 DisplayState *ds;
2651 int cyls, heads, secs, translation;
2652 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2653 QemuOptsList *olist;
2654 int optind;
2655 const char *optarg;
2656 const char *loadvm = NULL;
2657 MachineClass *machine_class;
2658 const char *cpu_model;
2659 const char *vga_model = NULL;
2660 const char *qtest_chrdev = NULL;
2661 const char *qtest_log = NULL;
2662 const char *pid_file = NULL;
2663 const char *incoming = NULL;
2664 #ifdef CONFIG_VNC
2665 int show_vnc_port = 0;
2666 #endif
2667 bool defconfig = true;
2668 bool userconfig = true;
2669 const char *log_mask = NULL;
2670 const char *log_file = NULL;
2671 GMemVTable mem_trace = {
2672 .malloc = malloc_and_trace,
2673 .realloc = realloc_and_trace,
2674 .free = free_and_trace,
2675 };
2676 const char *trace_events = NULL;
2677 const char *trace_file = NULL;
2678 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2679 1024 * 1024;
2680 ram_addr_t maxram_size = default_ram_size;
2681 uint64_t ram_slots = 0;
2682 FILE *vmstate_dump_file = NULL;
2683 Error *main_loop_err = NULL;
2684
2685 atexit(qemu_run_exit_notifiers);
2686 error_set_progname(argv[0]);
2687 qemu_init_exec_dir(argv[0]);
2688
2689 g_mem_set_vtable(&mem_trace);
2690
2691 module_call_init(MODULE_INIT_QOM);
2692
2693 qemu_add_opts(&qemu_drive_opts);
2694 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2695 qemu_add_drive_opts(&qemu_common_drive_opts);
2696 qemu_add_drive_opts(&qemu_drive_opts);
2697 qemu_add_opts(&qemu_chardev_opts);
2698 qemu_add_opts(&qemu_device_opts);
2699 qemu_add_opts(&qemu_netdev_opts);
2700 qemu_add_opts(&qemu_net_opts);
2701 qemu_add_opts(&qemu_rtc_opts);
2702 qemu_add_opts(&qemu_global_opts);
2703 qemu_add_opts(&qemu_mon_opts);
2704 qemu_add_opts(&qemu_trace_opts);
2705 qemu_add_opts(&qemu_option_rom_opts);
2706 qemu_add_opts(&qemu_machine_opts);
2707 qemu_add_opts(&qemu_mem_opts);
2708 qemu_add_opts(&qemu_smp_opts);
2709 qemu_add_opts(&qemu_boot_opts);
2710 qemu_add_opts(&qemu_sandbox_opts);
2711 qemu_add_opts(&qemu_add_fd_opts);
2712 qemu_add_opts(&qemu_object_opts);
2713 qemu_add_opts(&qemu_tpmdev_opts);
2714 qemu_add_opts(&qemu_realtime_opts);
2715 qemu_add_opts(&qemu_msg_opts);
2716 qemu_add_opts(&qemu_name_opts);
2717 qemu_add_opts(&qemu_numa_opts);
2718 qemu_add_opts(&qemu_icount_opts);
2719 qemu_add_opts(&qemu_semihosting_config_opts);
2720
2721 runstate_init();
2722
2723 rtc_clock = QEMU_CLOCK_HOST;
2724
2725 QLIST_INIT (&vm_change_state_head);
2726 os_setup_early_signal_handling();
2727
2728 module_call_init(MODULE_INIT_MACHINE);
2729 machine_class = find_default_machine();
2730 cpu_model = NULL;
2731 ram_size = default_ram_size;
2732 snapshot = 0;
2733 cyls = heads = secs = 0;
2734 translation = BIOS_ATA_TRANSLATION_AUTO;
2735
2736 for (i = 0; i < MAX_NODES; i++) {
2737 numa_info[i].node_mem = 0;
2738 numa_info[i].present = false;
2739 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2740 }
2741
2742 nb_numa_nodes = 0;
2743 max_numa_nodeid = 0;
2744 nb_nics = 0;
2745
2746 bdrv_init_with_whitelist();
2747
2748 autostart = 1;
2749
2750 /* first pass of option parsing */
2751 optind = 1;
2752 while (optind < argc) {
2753 if (argv[optind][0] != '-') {
2754 /* disk image */
2755 optind++;
2756 } else {
2757 const QEMUOption *popt;
2758
2759 popt = lookup_opt(argc, argv, &optarg, &optind);
2760 switch (popt->index) {
2761 case QEMU_OPTION_nodefconfig:
2762 defconfig = false;
2763 break;
2764 case QEMU_OPTION_nouserconfig:
2765 userconfig = false;
2766 break;
2767 }
2768 }
2769 }
2770
2771 if (defconfig) {
2772 int ret;
2773 ret = qemu_read_default_config_files(userconfig);
2774 if (ret < 0) {
2775 exit(1);
2776 }
2777 }
2778
2779 /* second pass of option parsing */
2780 optind = 1;
2781 for(;;) {
2782 if (optind >= argc)
2783 break;
2784 if (argv[optind][0] != '-') {
2785 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2786 } else {
2787 const QEMUOption *popt;
2788
2789 popt = lookup_opt(argc, argv, &optarg, &optind);
2790 if (!(popt->arch_mask & arch_type)) {
2791 printf("Option %s not supported for this target\n", popt->name);
2792 exit(1);
2793 }
2794 switch(popt->index) {
2795 case QEMU_OPTION_M:
2796 machine_class = machine_parse(optarg);
2797 break;
2798 case QEMU_OPTION_no_kvm_irqchip: {
2799 olist = qemu_find_opts("machine");
2800 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2801 break;
2802 }
2803 case QEMU_OPTION_cpu:
2804 /* hw initialization will check this */
2805 cpu_model = optarg;
2806 break;
2807 case QEMU_OPTION_hda:
2808 {
2809 char buf[256];
2810 if (cyls == 0)
2811 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2812 else
2813 snprintf(buf, sizeof(buf),
2814 "%s,cyls=%d,heads=%d,secs=%d%s",
2815 HD_OPTS , cyls, heads, secs,
2816 translation == BIOS_ATA_TRANSLATION_LBA ?
2817 ",trans=lba" :
2818 translation == BIOS_ATA_TRANSLATION_NONE ?
2819 ",trans=none" : "");
2820 drive_add(IF_DEFAULT, 0, optarg, buf);
2821 break;
2822 }
2823 case QEMU_OPTION_hdb:
2824 case QEMU_OPTION_hdc:
2825 case QEMU_OPTION_hdd:
2826 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2827 HD_OPTS);
2828 break;
2829 case QEMU_OPTION_drive:
2830 if (drive_def(optarg) == NULL) {
2831 exit(1);
2832 }
2833 break;
2834 case QEMU_OPTION_set:
2835 if (qemu_set_option(optarg) != 0)
2836 exit(1);
2837 break;
2838 case QEMU_OPTION_global:
2839 if (qemu_global_option(optarg) != 0)
2840 exit(1);
2841 break;
2842 case QEMU_OPTION_mtdblock:
2843 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2844 break;
2845 case QEMU_OPTION_sd:
2846 drive_add(IF_SD, -1, optarg, SD_OPTS);
2847 break;
2848 case QEMU_OPTION_pflash:
2849 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2850 break;
2851 case QEMU_OPTION_snapshot:
2852 snapshot = 1;
2853 break;
2854 case QEMU_OPTION_hdachs:
2855 {
2856 const char *p;
2857 p = optarg;
2858 cyls = strtol(p, (char **)&p, 0);
2859 if (cyls < 1 || cyls > 16383)
2860 goto chs_fail;
2861 if (*p != ',')
2862 goto chs_fail;
2863 p++;
2864 heads = strtol(p, (char **)&p, 0);
2865 if (heads < 1 || heads > 16)
2866 goto chs_fail;
2867 if (*p != ',')
2868 goto chs_fail;
2869 p++;
2870 secs = strtol(p, (char **)&p, 0);
2871 if (secs < 1 || secs > 63)
2872 goto chs_fail;
2873 if (*p == ',') {
2874 p++;
2875 if (!strcmp(p, "large")) {
2876 translation = BIOS_ATA_TRANSLATION_LARGE;
2877 } else if (!strcmp(p, "rechs")) {
2878 translation = BIOS_ATA_TRANSLATION_RECHS;
2879 } else if (!strcmp(p, "none")) {
2880 translation = BIOS_ATA_TRANSLATION_NONE;
2881 } else if (!strcmp(p, "lba")) {
2882 translation = BIOS_ATA_TRANSLATION_LBA;
2883 } else if (!strcmp(p, "auto")) {
2884 translation = BIOS_ATA_TRANSLATION_AUTO;
2885 } else {
2886 goto chs_fail;
2887 }
2888 } else if (*p != '\0') {
2889 chs_fail:
2890 fprintf(stderr, "qemu: invalid physical CHS format\n");
2891 exit(1);
2892 }
2893 if (hda_opts != NULL) {
2894 char num[16];
2895 snprintf(num, sizeof(num), "%d", cyls);
2896 qemu_opt_set(hda_opts, "cyls", num);
2897 snprintf(num, sizeof(num), "%d", heads);
2898 qemu_opt_set(hda_opts, "heads", num);
2899 snprintf(num, sizeof(num), "%d", secs);
2900 qemu_opt_set(hda_opts, "secs", num);
2901 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2902 qemu_opt_set(hda_opts, "trans", "large");
2903 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2904 qemu_opt_set(hda_opts, "trans", "rechs");
2905 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2906 qemu_opt_set(hda_opts, "trans", "lba");
2907 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2908 qemu_opt_set(hda_opts, "trans", "none");
2909 }
2910 }
2911 }
2912 break;
2913 case QEMU_OPTION_numa:
2914 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2915 if (!opts) {
2916 exit(1);
2917 }
2918 break;
2919 case QEMU_OPTION_display:
2920 display_type = select_display(optarg);
2921 break;
2922 case QEMU_OPTION_nographic:
2923 display_type = DT_NOGRAPHIC;
2924 break;
2925 case QEMU_OPTION_curses:
2926 #ifdef CONFIG_CURSES
2927 display_type = DT_CURSES;
2928 #else
2929 fprintf(stderr, "Curses support is disabled\n");
2930 exit(1);
2931 #endif
2932 break;
2933 case QEMU_OPTION_portrait:
2934 graphic_rotate = 90;
2935 break;
2936 case QEMU_OPTION_rotate:
2937 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2938 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2939 graphic_rotate != 180 && graphic_rotate != 270) {
2940 fprintf(stderr,
2941 "qemu: only 90, 180, 270 deg rotation is available\n");
2942 exit(1);
2943 }
2944 break;
2945 case QEMU_OPTION_kernel:
2946 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2947 break;
2948 case QEMU_OPTION_initrd:
2949 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2950 break;
2951 case QEMU_OPTION_append:
2952 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2953 break;
2954 case QEMU_OPTION_dtb:
2955 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2956 break;
2957 case QEMU_OPTION_cdrom:
2958 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2959 break;
2960 case QEMU_OPTION_boot:
2961 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
2962 if (!opts) {
2963 exit(1);
2964 }
2965 break;
2966 case QEMU_OPTION_fda:
2967 case QEMU_OPTION_fdb:
2968 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2969 optarg, FD_OPTS);
2970 break;
2971 case QEMU_OPTION_no_fd_bootchk:
2972 fd_bootchk = 0;
2973 break;
2974 case QEMU_OPTION_netdev:
2975 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2976 exit(1);
2977 }
2978 break;
2979 case QEMU_OPTION_net:
2980 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2981 exit(1);
2982 }
2983 break;
2984 #ifdef CONFIG_LIBISCSI
2985 case QEMU_OPTION_iscsi:
2986 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2987 if (!opts) {
2988 exit(1);
2989 }
2990 break;
2991 #endif
2992 #ifdef CONFIG_SLIRP
2993 case QEMU_OPTION_tftp:
2994 legacy_tftp_prefix = optarg;
2995 break;
2996 case QEMU_OPTION_bootp:
2997 legacy_bootp_filename = optarg;
2998 break;
2999 case QEMU_OPTION_redir:
3000 if (net_slirp_redir(optarg) < 0)
3001 exit(1);
3002 break;
3003 #endif
3004 case QEMU_OPTION_bt:
3005 add_device_config(DEV_BT, optarg);
3006 break;
3007 case QEMU_OPTION_audio_help:
3008 AUD_help ();
3009 exit (0);
3010 break;
3011 case QEMU_OPTION_soundhw:
3012 select_soundhw (optarg);
3013 break;
3014 case QEMU_OPTION_h:
3015 help(0);
3016 break;
3017 case QEMU_OPTION_version:
3018 version();
3019 exit(0);
3020 break;
3021 case QEMU_OPTION_m: {
3022 uint64_t sz;
3023 const char *mem_str;
3024 const char *maxmem_str, *slots_str;
3025
3026 opts = qemu_opts_parse(qemu_find_opts("memory"),
3027 optarg, 1);
3028 if (!opts) {
3029 exit(EXIT_FAILURE);
3030 }
3031
3032 mem_str = qemu_opt_get(opts, "size");
3033 if (!mem_str) {
3034 error_report("invalid -m option, missing 'size' option");
3035 exit(EXIT_FAILURE);
3036 }
3037 if (!*mem_str) {
3038 error_report("missing 'size' option value");
3039 exit(EXIT_FAILURE);
3040 }
3041
3042 sz = qemu_opt_get_size(opts, "size", ram_size);
3043
3044 /* Fix up legacy suffix-less format */
3045 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3046 uint64_t overflow_check = sz;
3047
3048 sz <<= 20;
3049 if ((sz >> 20) != overflow_check) {
3050 error_report("too large 'size' option value");
3051 exit(EXIT_FAILURE);
3052 }
3053 }
3054
3055 /* backward compatibility behaviour for case "-m 0" */
3056 if (sz == 0) {
3057 sz = default_ram_size;
3058 }
3059
3060 sz = QEMU_ALIGN_UP(sz, 8192);
3061 ram_size = sz;
3062 if (ram_size != sz) {
3063 error_report("ram size too large");
3064 exit(EXIT_FAILURE);
3065 }
3066 maxram_size = ram_size;
3067
3068 maxmem_str = qemu_opt_get(opts, "maxmem");
3069 slots_str = qemu_opt_get(opts, "slots");
3070 if (maxmem_str && slots_str) {
3071 uint64_t slots;
3072
3073 sz = qemu_opt_get_size(opts, "maxmem", 0);
3074 if (sz < ram_size) {
3075 error_report("invalid -m option value: maxmem "
3076 "(0x%" PRIx64 ") <= initial memory (0x"
3077 RAM_ADDR_FMT ")", sz, ram_size);
3078 exit(EXIT_FAILURE);
3079 }
3080
3081 slots = qemu_opt_get_number(opts, "slots", 0);
3082 if ((sz > ram_size) && !slots) {
3083 error_report("invalid -m option value: maxmem "
3084 "(0x%" PRIx64 ") more than initial memory (0x"
3085 RAM_ADDR_FMT ") but no hotplug slots where "
3086 "specified", sz, ram_size);
3087 exit(EXIT_FAILURE);
3088 }
3089
3090 if ((sz <= ram_size) && slots) {
3091 error_report("invalid -m option value: %"
3092 PRIu64 " hotplug slots where specified but "
3093 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3094 RAM_ADDR_FMT ")", slots, sz, ram_size);
3095 exit(EXIT_FAILURE);
3096 }
3097 maxram_size = sz;
3098 ram_slots = slots;
3099 } else if ((!maxmem_str && slots_str) ||
3100 (maxmem_str && !slots_str)) {
3101 error_report("invalid -m option value: missing "
3102 "'%s' option", slots_str ? "maxmem" : "slots");
3103 exit(EXIT_FAILURE);
3104 }
3105 break;
3106 }
3107 #ifdef CONFIG_TPM
3108 case QEMU_OPTION_tpmdev:
3109 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3110 exit(1);
3111 }
3112 break;
3113 #endif
3114 case QEMU_OPTION_mempath:
3115 mem_path = optarg;
3116 break;
3117 case QEMU_OPTION_mem_prealloc:
3118 mem_prealloc = 1;
3119 break;
3120 case QEMU_OPTION_d:
3121 log_mask = optarg;
3122 break;
3123 case QEMU_OPTION_D:
3124 log_file = optarg;
3125 break;
3126 case QEMU_OPTION_s:
3127 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3128 break;
3129 case QEMU_OPTION_gdb:
3130 add_device_config(DEV_GDB, optarg);
3131 break;
3132 case QEMU_OPTION_L:
3133 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3134 data_dir[data_dir_idx++] = optarg;
3135 }
3136 break;
3137 case QEMU_OPTION_bios:
3138 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3139 break;
3140 case QEMU_OPTION_singlestep:
3141 singlestep = 1;
3142 break;
3143 case QEMU_OPTION_S:
3144 autostart = 0;
3145 break;
3146 case QEMU_OPTION_k:
3147 keyboard_layout = optarg;
3148 break;
3149 case QEMU_OPTION_localtime:
3150 rtc_utc = 0;
3151 break;
3152 case QEMU_OPTION_vga:
3153 vga_model = optarg;
3154 default_vga = 0;
3155 break;
3156 case QEMU_OPTION_g:
3157 {
3158 const char *p;
3159 int w, h, depth;
3160 p = optarg;
3161 w = strtol(p, (char **)&p, 10);
3162 if (w <= 0) {
3163 graphic_error:
3164 fprintf(stderr, "qemu: invalid resolution or depth\n");
3165 exit(1);
3166 }
3167 if (*p != 'x')
3168 goto graphic_error;
3169 p++;
3170 h = strtol(p, (char **)&p, 10);
3171 if (h <= 0)
3172 goto graphic_error;
3173 if (*p == 'x') {
3174 p++;
3175 depth = strtol(p, (char **)&p, 10);
3176 if (depth != 8 && depth != 15 && depth != 16 &&
3177 depth != 24 && depth != 32)
3178 goto graphic_error;
3179 } else if (*p == '\0') {
3180 depth = graphic_depth;
3181 } else {
3182 goto graphic_error;
3183 }
3184
3185 graphic_width = w;
3186 graphic_height = h;
3187 graphic_depth = depth;
3188 }
3189 break;
3190 case QEMU_OPTION_echr:
3191 {
3192 char *r;
3193 term_escape_char = strtol(optarg, &r, 0);
3194 if (r == optarg)
3195 printf("Bad argument to echr\n");
3196 break;
3197 }
3198 case QEMU_OPTION_monitor:
3199 default_monitor = 0;
3200 if (strncmp(optarg, "none", 4)) {
3201 monitor_parse(optarg, "readline", false);
3202 }
3203 break;
3204 case QEMU_OPTION_qmp:
3205 monitor_parse(optarg, "control", false);
3206 default_monitor = 0;
3207 break;
3208 case QEMU_OPTION_qmp_pretty:
3209 monitor_parse(optarg, "control", true);
3210 default_monitor = 0;
3211 break;
3212 case QEMU_OPTION_mon:
3213 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3214 if (!opts) {
3215 exit(1);
3216 }
3217 default_monitor = 0;
3218 break;
3219 case QEMU_OPTION_chardev:
3220 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3221 if (!opts) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_fsdev:
3226 olist = qemu_find_opts("fsdev");
3227 if (!olist) {
3228 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3229 exit(1);
3230 }
3231 opts = qemu_opts_parse(olist, optarg, 1);
3232 if (!opts) {
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_virtfs: {
3237 QemuOpts *fsdev;
3238 QemuOpts *device;
3239 const char *writeout, *sock_fd, *socket;
3240
3241 olist = qemu_find_opts("virtfs");
3242 if (!olist) {
3243 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3244 exit(1);
3245 }
3246 opts = qemu_opts_parse(olist, optarg, 1);
3247 if (!opts) {
3248 exit(1);
3249 }
3250
3251 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3252 qemu_opt_get(opts, "mount_tag") == NULL) {
3253 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3254 exit(1);
3255 }
3256 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3257 qemu_opt_get(opts, "mount_tag"),
3258 1, NULL);
3259 if (!fsdev) {
3260 fprintf(stderr, "duplicate fsdev id: %s\n",
3261 qemu_opt_get(opts, "mount_tag"));
3262 exit(1);
3263 }
3264
3265 writeout = qemu_opt_get(opts, "writeout");
3266 if (writeout) {
3267 #ifdef CONFIG_SYNC_FILE_RANGE
3268 qemu_opt_set(fsdev, "writeout", writeout);
3269 #else
3270 fprintf(stderr, "writeout=immediate not supported on "
3271 "this platform\n");
3272 exit(1);
3273 #endif
3274 }
3275 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3276 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3277 qemu_opt_set(fsdev, "security_model",
3278 qemu_opt_get(opts, "security_model"));
3279 socket = qemu_opt_get(opts, "socket");
3280 if (socket) {
3281 qemu_opt_set(fsdev, "socket", socket);
3282 }
3283 sock_fd = qemu_opt_get(opts, "sock_fd");
3284 if (sock_fd) {
3285 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3286 }
3287
3288 qemu_opt_set_bool(fsdev, "readonly",
3289 qemu_opt_get_bool(opts, "readonly", 0));
3290 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3291 &error_abort);
3292 qemu_opt_set(device, "driver", "virtio-9p-pci");
3293 qemu_opt_set(device, "fsdev",
3294 qemu_opt_get(opts, "mount_tag"));
3295 qemu_opt_set(device, "mount_tag",
3296 qemu_opt_get(opts, "mount_tag"));
3297 break;
3298 }
3299 case QEMU_OPTION_virtfs_synth: {
3300 QemuOpts *fsdev;
3301 QemuOpts *device;
3302
3303 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3304 1, NULL);
3305 if (!fsdev) {
3306 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3307 exit(1);
3308 }
3309 qemu_opt_set(fsdev, "fsdriver", "synth");
3310
3311 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3312 &error_abort);
3313 qemu_opt_set(device, "driver", "virtio-9p-pci");
3314 qemu_opt_set(device, "fsdev", "v_synth");
3315 qemu_opt_set(device, "mount_tag", "v_synth");
3316 break;
3317 }
3318 case QEMU_OPTION_serial:
3319 add_device_config(DEV_SERIAL, optarg);
3320 default_serial = 0;
3321 if (strncmp(optarg, "mon:", 4) == 0) {
3322 default_monitor = 0;
3323 }
3324 break;
3325 case QEMU_OPTION_watchdog:
3326 if (watchdog) {
3327 fprintf(stderr,
3328 "qemu: only one watchdog option may be given\n");
3329 return 1;
3330 }
3331 watchdog = optarg;
3332 break;
3333 case QEMU_OPTION_watchdog_action:
3334 if (select_watchdog_action(optarg) == -1) {
3335 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3336 exit(1);
3337 }
3338 break;
3339 case QEMU_OPTION_virtiocon:
3340 add_device_config(DEV_VIRTCON, optarg);
3341 default_virtcon = 0;
3342 if (strncmp(optarg, "mon:", 4) == 0) {
3343 default_monitor = 0;
3344 }
3345 break;
3346 case QEMU_OPTION_parallel:
3347 add_device_config(DEV_PARALLEL, optarg);
3348 default_parallel = 0;
3349 if (strncmp(optarg, "mon:", 4) == 0) {
3350 default_monitor = 0;
3351 }
3352 break;
3353 case QEMU_OPTION_debugcon:
3354 add_device_config(DEV_DEBUGCON, optarg);
3355 break;
3356 case QEMU_OPTION_loadvm:
3357 loadvm = optarg;
3358 break;
3359 case QEMU_OPTION_full_screen:
3360 full_screen = 1;
3361 break;
3362 case QEMU_OPTION_no_frame:
3363 no_frame = 1;
3364 break;
3365 case QEMU_OPTION_alt_grab:
3366 alt_grab = 1;
3367 break;
3368 case QEMU_OPTION_ctrl_grab:
3369 ctrl_grab = 1;
3370 break;
3371 case QEMU_OPTION_no_quit:
3372 no_quit = 1;
3373 break;
3374 case QEMU_OPTION_sdl:
3375 #ifdef CONFIG_SDL
3376 display_type = DT_SDL;
3377 break;
3378 #else
3379 fprintf(stderr, "SDL support is disabled\n");
3380 exit(1);
3381 #endif
3382 case QEMU_OPTION_pidfile:
3383 pid_file = optarg;
3384 break;
3385 case QEMU_OPTION_win2k_hack:
3386 win2k_install_hack = 1;
3387 break;
3388 case QEMU_OPTION_rtc_td_hack: {
3389 static GlobalProperty slew_lost_ticks[] = {
3390 {
3391 .driver = "mc146818rtc",
3392 .property = "lost_tick_policy",
3393 .value = "slew",
3394 },
3395 { /* end of list */ }
3396 };
3397
3398 qdev_prop_register_global_list(slew_lost_ticks);
3399 break;
3400 }
3401 case QEMU_OPTION_acpitable:
3402 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3403 if (!opts) {
3404 exit(1);
3405 }
3406 do_acpitable_option(opts);
3407 break;
3408 case QEMU_OPTION_smbios:
3409 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3410 if (!opts) {
3411 exit(1);
3412 }
3413 do_smbios_option(opts);
3414 break;
3415 case QEMU_OPTION_enable_kvm:
3416 olist = qemu_find_opts("machine");
3417 qemu_opts_parse(olist, "accel=kvm", 0);
3418 break;
3419 case QEMU_OPTION_machine:
3420 olist = qemu_find_opts("machine");
3421 opts = qemu_opts_parse(olist, optarg, 1);
3422 if (!opts) {
3423 exit(1);
3424 }
3425 optarg = qemu_opt_get(opts, "type");
3426 if (optarg) {
3427 machine_class = machine_parse(optarg);
3428 }
3429 break;
3430 case QEMU_OPTION_no_kvm:
3431 olist = qemu_find_opts("machine");
3432 qemu_opts_parse(olist, "accel=tcg", 0);
3433 break;
3434 case QEMU_OPTION_no_kvm_pit: {
3435 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3436 "separately.\n");
3437 break;
3438 }
3439 case QEMU_OPTION_no_kvm_pit_reinjection: {
3440 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3441 {
3442 .driver = "kvm-pit",
3443 .property = "lost_tick_policy",
3444 .value = "discard",
3445 },
3446 { /* end of list */ }
3447 };
3448
3449 fprintf(stderr, "Warning: option deprecated, use "
3450 "lost_tick_policy property of kvm-pit instead.\n");
3451 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3452 break;
3453 }
3454 case QEMU_OPTION_usb:
3455 olist = qemu_find_opts("machine");
3456 qemu_opts_parse(olist, "usb=on", 0);
3457 break;
3458 case QEMU_OPTION_usbdevice:
3459 olist = qemu_find_opts("machine");
3460 qemu_opts_parse(olist, "usb=on", 0);
3461 add_device_config(DEV_USB, optarg);
3462 break;
3463 case QEMU_OPTION_device:
3464 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3465 exit(1);
3466 }
3467 break;
3468 case QEMU_OPTION_smp:
3469 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_vnc:
3474 #ifdef CONFIG_VNC
3475 display_remote++;
3476 vnc_display = optarg;
3477 #else
3478 fprintf(stderr, "VNC support is disabled\n");
3479 exit(1);
3480 #endif
3481 break;
3482 case QEMU_OPTION_no_acpi:
3483 acpi_enabled = 0;
3484 break;
3485 case QEMU_OPTION_no_hpet:
3486 no_hpet = 1;
3487 break;
3488 case QEMU_OPTION_balloon:
3489 if (balloon_parse(optarg) < 0) {
3490 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3491 exit(1);
3492 }
3493 break;
3494 case QEMU_OPTION_no_reboot:
3495 no_reboot = 1;
3496 break;
3497 case QEMU_OPTION_no_shutdown:
3498 no_shutdown = 1;
3499 break;
3500 case QEMU_OPTION_show_cursor:
3501 cursor_hide = 0;
3502 break;
3503 case QEMU_OPTION_uuid:
3504 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3505 fprintf(stderr, "Fail to parse UUID string."
3506 " Wrong format.\n");
3507 exit(1);
3508 }
3509 qemu_uuid_set = true;
3510 break;
3511 case QEMU_OPTION_option_rom:
3512 if (nb_option_roms >= MAX_OPTION_ROMS) {
3513 fprintf(stderr, "Too many option ROMs\n");
3514 exit(1);
3515 }
3516 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3517 if (!opts) {
3518 exit(1);
3519 }
3520 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3521 option_rom[nb_option_roms].bootindex =
3522 qemu_opt_get_number(opts, "bootindex", -1);
3523 if (!option_rom[nb_option_roms].name) {
3524 fprintf(stderr, "Option ROM file is not specified\n");
3525 exit(1);
3526 }
3527 nb_option_roms++;
3528 break;
3529 case QEMU_OPTION_semihosting:
3530 semihosting_enabled = 1;
3531 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3532 break;
3533 case QEMU_OPTION_semihosting_config:
3534 semihosting_enabled = 1;
3535 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3536 optarg, 0);
3537 if (opts != NULL) {
3538 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3539 true);
3540 const char *target = qemu_opt_get(opts, "target");
3541 if (target != NULL) {
3542 if (strcmp("native", target) == 0) {
3543 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3544 } else if (strcmp("gdb", target) == 0) {
3545 semihosting_target = SEMIHOSTING_TARGET_GDB;
3546 } else if (strcmp("auto", target) == 0) {
3547 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3548 } else {
3549 fprintf(stderr, "Unsupported semihosting-config"
3550 " %s\n",
3551 optarg);
3552 exit(1);
3553 }
3554 } else {
3555 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3556 }
3557 } else {
3558 fprintf(stderr, "Unsupported semihosting-config %s\n",
3559 optarg);
3560 exit(1);
3561 }
3562 break;
3563 case QEMU_OPTION_tdf:
3564 fprintf(stderr, "Warning: user space PIT time drift fix "
3565 "is no longer supported.\n");
3566 break;
3567 case QEMU_OPTION_name:
3568 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3569 if (!opts) {
3570 exit(1);
3571 }
3572 break;
3573 case QEMU_OPTION_prom_env:
3574 if (nb_prom_envs >= MAX_PROM_ENVS) {
3575 fprintf(stderr, "Too many prom variables\n");
3576 exit(1);
3577 }
3578 prom_envs[nb_prom_envs] = optarg;
3579 nb_prom_envs++;
3580 break;
3581 case QEMU_OPTION_old_param:
3582 old_param = 1;
3583 break;
3584 case QEMU_OPTION_clock:
3585 /* Clock options no longer exist. Keep this option for
3586 * backward compatibility.
3587 */
3588 break;
3589 case QEMU_OPTION_startdate:
3590 configure_rtc_date_offset(optarg, 1);
3591 break;
3592 case QEMU_OPTION_rtc:
3593 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3594 if (!opts) {
3595 exit(1);
3596 }
3597 configure_rtc(opts);
3598 break;
3599 case QEMU_OPTION_tb_size:
3600 tcg_tb_size = strtol(optarg, NULL, 0);
3601 if (tcg_tb_size < 0) {
3602 tcg_tb_size = 0;
3603 }
3604 break;
3605 case QEMU_OPTION_icount:
3606 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3607 optarg, 1);
3608 if (!icount_opts) {
3609 exit(1);
3610 }
3611 break;
3612 case QEMU_OPTION_incoming:
3613 incoming = optarg;
3614 runstate_set(RUN_STATE_INMIGRATE);
3615 break;
3616 case QEMU_OPTION_nodefaults:
3617 has_defaults = 0;
3618 break;
3619 case QEMU_OPTION_xen_domid:
3620 if (!(xen_available())) {
3621 printf("Option %s not supported for this target\n", popt->name);
3622 exit(1);
3623 }
3624 xen_domid = atoi(optarg);
3625 break;
3626 case QEMU_OPTION_xen_create:
3627 if (!(xen_available())) {
3628 printf("Option %s not supported for this target\n", popt->name);
3629 exit(1);
3630 }
3631 xen_mode = XEN_CREATE;
3632 break;
3633 case QEMU_OPTION_xen_attach:
3634 if (!(xen_available())) {
3635 printf("Option %s not supported for this target\n", popt->name);
3636 exit(1);
3637 }
3638 xen_mode = XEN_ATTACH;
3639 break;
3640 case QEMU_OPTION_trace:
3641 {
3642 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3643 if (!opts) {
3644 exit(1);
3645 }
3646 trace_events = qemu_opt_get(opts, "events");
3647 trace_file = qemu_opt_get(opts, "file");
3648 break;
3649 }
3650 case QEMU_OPTION_readconfig:
3651 {
3652 int ret = qemu_read_config_file(optarg);
3653 if (ret < 0) {
3654 fprintf(stderr, "read config %s: %s\n", optarg,
3655 strerror(-ret));
3656 exit(1);
3657 }
3658 break;
3659 }
3660 case QEMU_OPTION_spice:
3661 olist = qemu_find_opts("spice");
3662 if (!olist) {
3663 fprintf(stderr, "spice is not supported by this qemu build.\n");
3664 exit(1);
3665 }
3666 opts = qemu_opts_parse(olist, optarg, 0);
3667 if (!opts) {
3668 exit(1);
3669 }
3670 display_remote++;
3671 break;
3672 case QEMU_OPTION_writeconfig:
3673 {
3674 FILE *fp;
3675 if (strcmp(optarg, "-") == 0) {
3676 fp = stdout;
3677 } else {
3678 fp = fopen(optarg, "w");
3679 if (fp == NULL) {
3680 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3681 exit(1);
3682 }
3683 }
3684 qemu_config_write(fp);
3685 if (fp != stdout) {
3686 fclose(fp);
3687 }
3688 break;
3689 }
3690 case QEMU_OPTION_qtest:
3691 qtest_chrdev = optarg;
3692 break;
3693 case QEMU_OPTION_qtest_log:
3694 qtest_log = optarg;
3695 break;
3696 case QEMU_OPTION_sandbox:
3697 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3698 if (!opts) {
3699 exit(1);
3700 }
3701 break;
3702 case QEMU_OPTION_add_fd:
3703 #ifndef _WIN32
3704 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3705 if (!opts) {
3706 exit(1);
3707 }
3708 #else
3709 error_report("File descriptor passing is disabled on this "
3710 "platform");
3711 exit(1);
3712 #endif
3713 break;
3714 case QEMU_OPTION_object:
3715 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3716 if (!opts) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_realtime:
3721 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3726 break;
3727 case QEMU_OPTION_msg:
3728 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3729 if (!opts) {
3730 exit(1);
3731 }
3732 configure_msg(opts);
3733 break;
3734 case QEMU_OPTION_dump_vmstate:
3735 if (vmstate_dump_file) {
3736 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3737 "option may be given\n");
3738 exit(1);
3739 }
3740 vmstate_dump_file = fopen(optarg, "w");
3741 if (vmstate_dump_file == NULL) {
3742 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3743 exit(1);
3744 }
3745 break;
3746 default:
3747 os_parse_cmd_args(popt->index, optarg);
3748 }
3749 }
3750 }
3751 loc_set_none();
3752
3753 os_daemonize();
3754
3755 if (qemu_init_main_loop(&main_loop_err)) {
3756 error_report("%s", error_get_pretty(main_loop_err));
3757 exit(1);
3758 }
3759
3760 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3761 exit(1);
3762 }
3763
3764 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3765 exit(1);
3766 }
3767
3768 #ifndef _WIN32
3769 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3770 exit(1);
3771 }
3772
3773 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3774 exit(1);
3775 }
3776 #endif
3777
3778 if (machine_class == NULL) {
3779 fprintf(stderr, "No machine specified, and there is no default.\n"
3780 "Use -machine help to list supported machines!\n");
3781 exit(1);
3782 }
3783
3784 current_machine = MACHINE(object_new(object_class_get_name(
3785 OBJECT_CLASS(machine_class))));
3786 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3787 exit(0);
3788 }
3789 object_property_add_child(object_get_root(), "machine",
3790 OBJECT(current_machine), &error_abort);
3791 cpu_exec_init_all();
3792
3793 if (machine_class->hw_version) {
3794 qemu_set_version(machine_class->hw_version);
3795 }
3796
3797 /* Init CPU def lists, based on config
3798 * - Must be called after all the qemu_read_config_file() calls
3799 * - Must be called before list_cpus()
3800 * - Must be called before machine->init()
3801 */
3802 cpudef_init();
3803
3804 if (cpu_model && is_help_option(cpu_model)) {
3805 list_cpus(stdout, &fprintf, cpu_model);
3806 exit(0);
3807 }
3808
3809 /* Open the logfile at this point, if necessary. We can't open the logfile
3810 * when encountering either of the logging options (-d or -D) because the
3811 * other one may be encountered later on the command line, changing the
3812 * location or level of logging.
3813 */
3814 if (log_mask) {
3815 int mask;
3816 if (log_file) {
3817 qemu_set_log_filename(log_file);
3818 }
3819
3820 mask = qemu_str_to_log_mask(log_mask);
3821 if (!mask) {
3822 qemu_print_log_usage(stdout);
3823 exit(1);
3824 }
3825 qemu_set_log(mask);
3826 }
3827
3828 if (!is_daemonized()) {
3829 if (!trace_init_backends(trace_events, trace_file)) {
3830 exit(1);
3831 }
3832 }
3833
3834 /* If no data_dir is specified then try to find it relative to the
3835 executable path. */
3836 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3837 data_dir[data_dir_idx] = os_find_datadir();
3838 if (data_dir[data_dir_idx] != NULL) {
3839 data_dir_idx++;
3840 }
3841 }
3842 /* If all else fails use the install path specified when building. */
3843 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3844 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3845 }
3846
3847 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3848
3849 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3850 if (smp_cpus > machine_class->max_cpus) {
3851 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3852 "supported by machine `%s' (%d)\n", smp_cpus,
3853 machine_class->name, machine_class->max_cpus);
3854 exit(1);
3855 }
3856
3857 /*
3858 * Get the default machine options from the machine if it is not already
3859 * specified either by the configuration file or by the command line.
3860 */
3861 if (machine_class->default_machine_opts) {
3862 qemu_opts_set_defaults(qemu_find_opts("machine"),
3863 machine_class->default_machine_opts, 0);
3864 }
3865
3866 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3867 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3868
3869 if (!vga_model && !default_vga) {
3870 vga_interface_type = VGA_DEVICE;
3871 }
3872 if (!has_defaults || machine_class->no_serial) {
3873 default_serial = 0;
3874 }
3875 if (!has_defaults || machine_class->no_parallel) {
3876 default_parallel = 0;
3877 }
3878 if (!has_defaults || !machine_class->use_virtcon) {
3879 default_virtcon = 0;
3880 }
3881 if (!has_defaults || !machine_class->use_sclp) {
3882 default_sclp = 0;
3883 }
3884 if (!has_defaults || machine_class->no_floppy) {
3885 default_floppy = 0;
3886 }
3887 if (!has_defaults || machine_class->no_cdrom) {
3888 default_cdrom = 0;
3889 }
3890 if (!has_defaults || machine_class->no_sdcard) {
3891 default_sdcard = 0;
3892 }
3893 if (!has_defaults) {
3894 default_monitor = 0;
3895 default_net = 0;
3896 default_vga = 0;
3897 }
3898
3899 if (is_daemonized()) {
3900 /* According to documentation and historically, -nographic redirects
3901 * serial port, parallel port and monitor to stdio, which does not work
3902 * with -daemonize. We can redirect these to null instead, but since
3903 * -nographic is legacy, let's just error out.
3904 * We disallow -nographic only if all other ports are not redirected
3905 * explicitly, to not break existing legacy setups which uses
3906 * -nographic _and_ redirects all ports explicitly - this is valid
3907 * usage, -nographic is just a no-op in this case.
3908 */
3909 if (display_type == DT_NOGRAPHIC
3910 && (default_parallel || default_serial
3911 || default_monitor || default_virtcon)) {
3912 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3913 exit(1);
3914 }
3915 #ifdef CONFIG_CURSES
3916 if (display_type == DT_CURSES) {
3917 fprintf(stderr, "curses display can not be used with -daemonize\n");
3918 exit(1);
3919 }
3920 #endif
3921 }
3922
3923 if (display_type == DT_NOGRAPHIC) {
3924 if (default_parallel)
3925 add_device_config(DEV_PARALLEL, "null");
3926 if (default_serial && default_monitor) {
3927 add_device_config(DEV_SERIAL, "mon:stdio");
3928 } else if (default_virtcon && default_monitor) {
3929 add_device_config(DEV_VIRTCON, "mon:stdio");
3930 } else if (default_sclp && default_monitor) {
3931 add_device_config(DEV_SCLP, "mon:stdio");
3932 } else {
3933 if (default_serial)
3934 add_device_config(DEV_SERIAL, "stdio");
3935 if (default_virtcon)
3936 add_device_config(DEV_VIRTCON, "stdio");
3937 if (default_sclp) {
3938 add_device_config(DEV_SCLP, "stdio");
3939 }
3940 if (default_monitor)
3941 monitor_parse("stdio", "readline", false);
3942 }
3943 } else {
3944 if (default_serial)
3945 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3946 if (default_parallel)
3947 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3948 if (default_monitor)
3949 monitor_parse("vc:80Cx24C", "readline", false);
3950 if (default_virtcon)
3951 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3952 if (default_sclp) {
3953 add_device_config(DEV_SCLP, "vc:80Cx24C");
3954 }
3955 }
3956
3957 if (display_type == DT_DEFAULT && !display_remote) {
3958 #if defined(CONFIG_GTK)
3959 display_type = DT_GTK;
3960 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3961 display_type = DT_SDL;
3962 #elif defined(CONFIG_VNC)
3963 vnc_display = "localhost:0,to=99";
3964 show_vnc_port = 1;
3965 #else
3966 display_type = DT_NONE;
3967 #endif
3968 }
3969
3970 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3971 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3972 "for SDL, ignoring option\n");
3973 }
3974 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3975 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3976 "ignoring option\n");
3977 }
3978
3979 #if defined(CONFIG_GTK)
3980 if (display_type == DT_GTK) {
3981 early_gtk_display_init();
3982 }
3983 #endif
3984
3985 socket_init();
3986
3987 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3988 exit(1);
3989 #ifdef CONFIG_VIRTFS
3990 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3991 exit(1);
3992 }
3993 #endif
3994
3995 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3996 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3997 exit(1);
3998 }
3999
4000 /* store value for the future use */
4001 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4002
4003 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4004 != 0) {
4005 exit(0);
4006 }
4007
4008 if (qemu_opts_foreach(qemu_find_opts("object"),
4009 object_create, NULL, 0) != 0) {
4010 exit(1);
4011 }
4012
4013 machine_opts = qemu_get_machine_opts();
4014 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4015 1) < 0) {
4016 object_unref(OBJECT(current_machine));
4017 exit(1);
4018 }
4019
4020 configure_accelerator(current_machine);
4021
4022 if (qtest_chrdev) {
4023 Error *local_err = NULL;
4024 qtest_init(qtest_chrdev, qtest_log, &local_err);
4025 if (local_err) {
4026 error_report("%s", error_get_pretty(local_err));
4027 error_free(local_err);
4028 exit(1);
4029 }
4030 }
4031
4032 machine_opts = qemu_get_machine_opts();
4033 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4034 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4035 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4036 bios_name = qemu_opt_get(machine_opts, "firmware");
4037
4038 boot_order = machine_class->default_boot_order;
4039 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4040 if (opts) {
4041 char *normal_boot_order;
4042 const char *order, *once;
4043 Error *local_err = NULL;
4044
4045 order = qemu_opt_get(opts, "order");
4046 if (order) {
4047 validate_bootdevices(order, &local_err);
4048 if (local_err) {
4049 error_report("%s", error_get_pretty(local_err));
4050 exit(1);
4051 }
4052 boot_order = order;
4053 }
4054
4055 once = qemu_opt_get(opts, "once");
4056 if (once) {
4057 validate_bootdevices(once, &local_err);
4058 if (local_err) {
4059 error_report("%s", error_get_pretty(local_err));
4060 exit(1);
4061 }
4062 normal_boot_order = g_strdup(boot_order);
4063 boot_order = once;
4064 qemu_register_reset(restore_boot_order, normal_boot_order);
4065 }
4066
4067 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4068 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4069 }
4070
4071 if (!kernel_cmdline) {
4072 kernel_cmdline = "";
4073 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4074 }
4075
4076 linux_boot = (kernel_filename != NULL);
4077
4078 if (!linux_boot && *kernel_cmdline != '\0') {
4079 fprintf(stderr, "-append only allowed with -kernel option\n");
4080 exit(1);
4081 }
4082
4083 if (!linux_boot && initrd_filename != NULL) {
4084 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4085 exit(1);
4086 }
4087
4088 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4089 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4090 exit(1);
4091 }
4092
4093 os_set_line_buffering();
4094
4095 qemu_init_cpu_loop();
4096 qemu_mutex_lock_iothread();
4097
4098 #ifdef CONFIG_SPICE
4099 /* spice needs the timers to be initialized by this point */
4100 qemu_spice_init();
4101 #endif
4102
4103 cpu_ticks_init();
4104 if (icount_opts) {
4105 if (kvm_enabled() || xen_enabled()) {
4106 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4107 exit(1);
4108 }
4109 configure_icount(icount_opts, &error_abort);
4110 qemu_opts_del(icount_opts);
4111 }
4112
4113 /* clean up network at qemu process termination */
4114 atexit(&net_cleanup);
4115
4116 if (net_init_clients() < 0) {
4117 exit(1);
4118 }
4119
4120 #ifdef CONFIG_TPM
4121 if (tpm_init() < 0) {
4122 exit(1);
4123 }
4124 #endif
4125
4126 /* init the bluetooth world */
4127 if (foreach_device_config(DEV_BT, bt_parse))
4128 exit(1);
4129
4130 if (!xen_enabled()) {
4131 /* On 32-bit hosts, QEMU is limited by virtual address space */
4132 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4133 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4134 exit(1);
4135 }
4136 }
4137
4138 blk_mig_init();
4139 ram_mig_init();
4140
4141 /* If the currently selected machine wishes to override the units-per-bus
4142 * property of its default HBA interface type, do so now. */
4143 if (machine_class->units_per_default_bus) {
4144 override_max_devs(machine_class->block_default_type,
4145 machine_class->units_per_default_bus);
4146 }
4147
4148 /* open the virtual block devices */
4149 if (snapshot)
4150 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4151 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4152 &machine_class->block_default_type, 1) != 0) {
4153 exit(1);
4154 }
4155
4156 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4157 CDROM_OPTS);
4158 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4159 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4160
4161 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4162 NULL, 1) != 0) {
4163 exit(1);
4164 }
4165
4166 set_numa_nodes();
4167
4168 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4169 exit(1);
4170 }
4171
4172 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4173 exit(1);
4174 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4175 exit(1);
4176 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4177 exit(1);
4178 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4179 exit(1);
4180 }
4181 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4182 exit(1);
4183
4184 /* If no default VGA is requested, the default is "none". */
4185 if (default_vga) {
4186 if (machine_class->default_display) {
4187 vga_model = machine_class->default_display;
4188 } else if (cirrus_vga_available()) {
4189 vga_model = "cirrus";
4190 } else if (vga_available()) {
4191 vga_model = "std";
4192 }
4193 }
4194 if (vga_model) {
4195 select_vgahw(vga_model);
4196 }
4197
4198 if (watchdog) {
4199 i = select_watchdog(watchdog);
4200 if (i > 0)
4201 exit (i == 1 ? 1 : 0);
4202 }
4203
4204 if (machine_class->compat_props) {
4205 qdev_prop_register_global_list(machine_class->compat_props);
4206 }
4207 qemu_add_globals();
4208
4209 qdev_machine_init();
4210
4211 current_machine->ram_size = ram_size;
4212 current_machine->maxram_size = maxram_size;
4213 current_machine->ram_slots = ram_slots;
4214 current_machine->boot_order = boot_order;
4215 current_machine->cpu_model = cpu_model;
4216
4217 machine_class->init(current_machine);
4218
4219 realtime_init();
4220
4221 audio_init();
4222
4223 cpu_synchronize_all_post_init();
4224
4225 set_numa_modes();
4226
4227 /* init USB devices */
4228 if (usb_enabled(false)) {
4229 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4230 exit(1);
4231 }
4232
4233 /* init generic devices */
4234 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4235 exit(1);
4236
4237 /* Did we create any drives that we failed to create a device for? */
4238 drive_check_orphaned();
4239
4240 net_check_clients();
4241
4242 ds = init_displaystate();
4243
4244 /* init local displays */
4245 switch (display_type) {
4246 case DT_NOGRAPHIC:
4247 (void)ds; /* avoid warning if no display is configured */
4248 break;
4249 #if defined(CONFIG_CURSES)
4250 case DT_CURSES:
4251 curses_display_init(ds, full_screen);
4252 break;
4253 #endif
4254 #if defined(CONFIG_SDL)
4255 case DT_SDL:
4256 sdl_display_init(ds, full_screen, no_frame);
4257 break;
4258 #elif defined(CONFIG_COCOA)
4259 case DT_SDL:
4260 cocoa_display_init(ds, full_screen);
4261 break;
4262 #endif
4263 #if defined(CONFIG_GTK)
4264 case DT_GTK:
4265 gtk_display_init(ds, full_screen, grab_on_hover);
4266 break;
4267 #endif
4268 default:
4269 break;
4270 }
4271
4272 /* must be after terminal init, SDL library changes signal handlers */
4273 os_setup_signal_handling();
4274
4275 #ifdef CONFIG_VNC
4276 /* init remote displays */
4277 if (vnc_display) {
4278 Error *local_err = NULL;
4279 vnc_display_init(ds);
4280 vnc_display_open(ds, vnc_display, &local_err);
4281 if (local_err != NULL) {
4282 error_report("Failed to start VNC server on `%s': %s",
4283 vnc_display, error_get_pretty(local_err));
4284 error_free(local_err);
4285 exit(1);
4286 }
4287
4288 if (show_vnc_port) {
4289 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4290 }
4291 }
4292 #endif
4293 #ifdef CONFIG_SPICE
4294 if (using_spice) {
4295 qemu_spice_display_init();
4296 }
4297 #endif
4298
4299 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4300 exit(1);
4301 }
4302
4303 qdev_machine_creation_done();
4304
4305 if (rom_load_all() != 0) {
4306 fprintf(stderr, "rom loading failed\n");
4307 exit(1);
4308 }
4309
4310 /* TODO: once all bus devices are qdevified, this should be done
4311 * when bus is created by qdev.c */
4312 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4313 qemu_run_machine_init_done_notifiers();
4314
4315 /* Done notifiers can load ROMs */
4316 rom_load_done();
4317
4318 qemu_system_reset(VMRESET_SILENT);
4319 if (loadvm) {
4320 if (load_vmstate(loadvm) < 0) {
4321 autostart = 0;
4322 }
4323 }
4324
4325 qdev_prop_check_globals();
4326 if (vmstate_dump_file) {
4327 /* dump and exit */
4328 dump_vmstate_json_to_file(vmstate_dump_file);
4329 return 0;
4330 }
4331
4332 if (incoming) {
4333 Error *local_err = NULL;
4334 qemu_start_incoming_migration(incoming, &local_err);
4335 if (local_err) {
4336 error_report("-incoming %s: %s", incoming,
4337 error_get_pretty(local_err));
4338 error_free(local_err);
4339 exit(1);
4340 }
4341 } else if (autostart) {
4342 vm_start();
4343 }
4344
4345 os_setup_post();
4346
4347 if (is_daemonized()) {
4348 if (!trace_init_backends(trace_events, trace_file)) {
4349 exit(1);
4350 }
4351 }
4352
4353 main_loop();
4354 bdrv_close_all();
4355 pause_all_vcpus();
4356 res_free();
4357 #ifdef CONFIG_TPM
4358 tpm_cleanup();
4359 #endif
4360
4361 return 0;
4362 }
AR7 emulation for QEMU