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linux-user: Access correct register for get/set_tls syscalls on ARM TZ CPUs
[qemu.git] / vl.c
blob694deb4c1f99bc241fb87226466497a8d69f1732
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122
123 #define DEFAULT_RAM_SIZE 128
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int display_opengl;
134 static int display_remote;
135 const char* keyboard_layout = NULL;
136 ram_addr_t ram_size;
137 const char *mem_path = NULL;
138 int mem_prealloc = 0; /* force preallocation of physical target memory */
139 bool enable_mlock = false;
140 int nb_nics;
141 NICInfo nd_table[MAX_NICS];
142 int autostart;
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
149 int no_quit = 0;
150 #ifdef CONFIG_GTK
151 static bool grab_on_hover;
152 #endif
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 0;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 uint8_t qemu_uuid[16];
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203
204 static int has_defaults = 1;
205 static int default_serial = 1;
206 static int default_parallel = 1;
207 static int default_virtcon = 1;
208 static int default_sclp = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_trace_opts = {
269 .name = "trace",
270 .implied_opt_name = "trace",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
272 .desc = {
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 },
473 { /* end of list */ }
474 },
475 };
476
477 static QemuOptsList qemu_semihosting_config_opts = {
478 .name = "semihosting-config",
479 .implied_opt_name = "enable",
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
481 .desc = {
482 {
483 .name = "enable",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "target",
487 .type = QEMU_OPT_STRING,
488 },
489 { /* end of list */ }
490 },
491 };
492
493 /**
494 * Get machine options
495 *
496 * Returns: machine options (never null).
497 */
498 QemuOpts *qemu_get_machine_opts(void)
499 {
500 return qemu_find_opts_singleton("machine");
501 }
502
503 const char *qemu_get_vm_name(void)
504 {
505 return qemu_name;
506 }
507
508 static void res_free(void)
509 {
510 if (boot_splash_filedata != NULL) {
511 g_free(boot_splash_filedata);
512 boot_splash_filedata = NULL;
513 }
514 }
515
516 static int default_driver_check(QemuOpts *opts, void *opaque)
517 {
518 const char *driver = qemu_opt_get(opts, "driver");
519 int i;
520
521 if (!driver)
522 return 0;
523 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
524 if (strcmp(default_list[i].driver, driver) != 0)
525 continue;
526 *(default_list[i].flag) = 0;
527 }
528 return 0;
529 }
530
531 /***********************************************************/
532 /* QEMU state */
533
534 static RunState current_run_state = RUN_STATE_PRELAUNCH;
535
536 /* We use RUN_STATE_MAX but any invalid value will do */
537 static RunState vmstop_requested = RUN_STATE_MAX;
538 static QemuMutex vmstop_lock;
539
540 typedef struct {
541 RunState from;
542 RunState to;
543 } RunStateTransition;
544
545 static const RunStateTransition runstate_transitions_def[] = {
546 /* from -> to */
547 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
548 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
549
550 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
551 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
552
553 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
554 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
555
556 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
557 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
558
559 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
560 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
561
562 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
563 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
564
565 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
566 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
567 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
568
569 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
570 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
571
572 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
573
574 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
575 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
577 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
578 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
579 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
580 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
581 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
582 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
583 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
584
585 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
586
587 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
588 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
591 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
592 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
593 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
596 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
599 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_MAX, RUN_STATE_MAX },
602 };
603
604 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
605
606 bool runstate_check(RunState state)
607 {
608 return current_run_state == state;
609 }
610
611 static void runstate_init(void)
612 {
613 const RunStateTransition *p;
614
615 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
616 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
617 runstate_valid_transitions[p->from][p->to] = true;
618 }
619
620 qemu_mutex_init(&vmstop_lock);
621 }
622
623 /* This function will abort() on invalid state transitions */
624 void runstate_set(RunState new_state)
625 {
626 assert(new_state < RUN_STATE_MAX);
627
628 if (!runstate_valid_transitions[current_run_state][new_state]) {
629 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
630 RunState_lookup[current_run_state],
631 RunState_lookup[new_state]);
632 abort();
633 }
634 trace_runstate_set(new_state);
635 current_run_state = new_state;
636 }
637
638 int runstate_is_running(void)
639 {
640 return runstate_check(RUN_STATE_RUNNING);
641 }
642
643 bool runstate_needs_reset(void)
644 {
645 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
646 runstate_check(RUN_STATE_SHUTDOWN);
647 }
648
649 StatusInfo *qmp_query_status(Error **errp)
650 {
651 StatusInfo *info = g_malloc0(sizeof(*info));
652
653 info->running = runstate_is_running();
654 info->singlestep = singlestep;
655 info->status = current_run_state;
656
657 return info;
658 }
659
660 static bool qemu_vmstop_requested(RunState *r)
661 {
662 qemu_mutex_lock(&vmstop_lock);
663 *r = vmstop_requested;
664 vmstop_requested = RUN_STATE_MAX;
665 qemu_mutex_unlock(&vmstop_lock);
666 return *r < RUN_STATE_MAX;
667 }
668
669 void qemu_system_vmstop_request_prepare(void)
670 {
671 qemu_mutex_lock(&vmstop_lock);
672 }
673
674 void qemu_system_vmstop_request(RunState state)
675 {
676 vmstop_requested = state;
677 qemu_mutex_unlock(&vmstop_lock);
678 qemu_notify_event();
679 }
680
681 void vm_start(void)
682 {
683 RunState requested;
684
685 qemu_vmstop_requested(&requested);
686 if (runstate_is_running() && requested == RUN_STATE_MAX) {
687 return;
688 }
689
690 /* Ensure that a STOP/RESUME pair of events is emitted if a
691 * vmstop request was pending. The BLOCK_IO_ERROR event, for
692 * example, according to documentation is always followed by
693 * the STOP event.
694 */
695 if (runstate_is_running()) {
696 qapi_event_send_stop(&error_abort);
697 } else {
698 cpu_enable_ticks();
699 runstate_set(RUN_STATE_RUNNING);
700 vm_state_notify(1, RUN_STATE_RUNNING);
701 resume_all_vcpus();
702 }
703
704 qapi_event_send_resume(&error_abort);
705 }
706
707
708 /***********************************************************/
709 /* real time host monotonic timer */
710
711 static time_t qemu_time(void)
712 {
713 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
714 }
715
716 /***********************************************************/
717 /* host time/date access */
718 void qemu_get_timedate(struct tm *tm, int offset)
719 {
720 time_t ti = qemu_time();
721
722 ti += offset;
723 if (rtc_date_offset == -1) {
724 if (rtc_utc)
725 gmtime_r(&ti, tm);
726 else
727 localtime_r(&ti, tm);
728 } else {
729 ti -= rtc_date_offset;
730 gmtime_r(&ti, tm);
731 }
732 }
733
734 int qemu_timedate_diff(struct tm *tm)
735 {
736 time_t seconds;
737
738 if (rtc_date_offset == -1)
739 if (rtc_utc)
740 seconds = mktimegm(tm);
741 else {
742 struct tm tmp = *tm;
743 tmp.tm_isdst = -1; /* use timezone to figure it out */
744 seconds = mktime(&tmp);
745 }
746 else
747 seconds = mktimegm(tm) + rtc_date_offset;
748
749 return seconds - qemu_time();
750 }
751
752 static void configure_rtc_date_offset(const char *startdate, int legacy)
753 {
754 time_t rtc_start_date;
755 struct tm tm;
756
757 if (!strcmp(startdate, "now") && legacy) {
758 rtc_date_offset = -1;
759 } else {
760 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
761 &tm.tm_year,
762 &tm.tm_mon,
763 &tm.tm_mday,
764 &tm.tm_hour,
765 &tm.tm_min,
766 &tm.tm_sec) == 6) {
767 /* OK */
768 } else if (sscanf(startdate, "%d-%d-%d",
769 &tm.tm_year,
770 &tm.tm_mon,
771 &tm.tm_mday) == 3) {
772 tm.tm_hour = 0;
773 tm.tm_min = 0;
774 tm.tm_sec = 0;
775 } else {
776 goto date_fail;
777 }
778 tm.tm_year -= 1900;
779 tm.tm_mon--;
780 rtc_start_date = mktimegm(&tm);
781 if (rtc_start_date == -1) {
782 date_fail:
783 fprintf(stderr, "Invalid date format. Valid formats are:\n"
784 "'2006-06-17T16:01:21' or '2006-06-17'\n");
785 exit(1);
786 }
787 rtc_date_offset = qemu_time() - rtc_start_date;
788 }
789 }
790
791 static void configure_rtc(QemuOpts *opts)
792 {
793 const char *value;
794
795 value = qemu_opt_get(opts, "base");
796 if (value) {
797 if (!strcmp(value, "utc")) {
798 rtc_utc = 1;
799 } else if (!strcmp(value, "localtime")) {
800 rtc_utc = 0;
801 } else {
802 configure_rtc_date_offset(value, 0);
803 }
804 }
805 value = qemu_opt_get(opts, "clock");
806 if (value) {
807 if (!strcmp(value, "host")) {
808 rtc_clock = QEMU_CLOCK_HOST;
809 } else if (!strcmp(value, "rt")) {
810 rtc_clock = QEMU_CLOCK_REALTIME;
811 } else if (!strcmp(value, "vm")) {
812 rtc_clock = QEMU_CLOCK_VIRTUAL;
813 } else {
814 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
815 exit(1);
816 }
817 }
818 value = qemu_opt_get(opts, "driftfix");
819 if (value) {
820 if (!strcmp(value, "slew")) {
821 static GlobalProperty slew_lost_ticks[] = {
822 {
823 .driver = "mc146818rtc",
824 .property = "lost_tick_policy",
825 .value = "slew",
826 },
827 { /* end of list */ }
828 };
829
830 qdev_prop_register_global_list(slew_lost_ticks);
831 } else if (!strcmp(value, "none")) {
832 /* discard is default */
833 } else {
834 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
835 exit(1);
836 }
837 }
838 }
839
840 /***********************************************************/
841 /* Bluetooth support */
842 static int nb_hcis;
843 static int cur_hci;
844 static struct HCIInfo *hci_table[MAX_NICS];
845
846 struct HCIInfo *qemu_next_hci(void)
847 {
848 if (cur_hci == nb_hcis)
849 return &null_hci;
850
851 return hci_table[cur_hci++];
852 }
853
854 static int bt_hci_parse(const char *str)
855 {
856 struct HCIInfo *hci;
857 bdaddr_t bdaddr;
858
859 if (nb_hcis >= MAX_NICS) {
860 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
861 return -1;
862 }
863
864 hci = hci_init(str);
865 if (!hci)
866 return -1;
867
868 bdaddr.b[0] = 0x52;
869 bdaddr.b[1] = 0x54;
870 bdaddr.b[2] = 0x00;
871 bdaddr.b[3] = 0x12;
872 bdaddr.b[4] = 0x34;
873 bdaddr.b[5] = 0x56 + nb_hcis;
874 hci->bdaddr_set(hci, bdaddr.b);
875
876 hci_table[nb_hcis++] = hci;
877
878 return 0;
879 }
880
881 static void bt_vhci_add(int vlan_id)
882 {
883 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
884
885 if (!vlan->slave)
886 fprintf(stderr, "qemu: warning: adding a VHCI to "
887 "an empty scatternet %i\n", vlan_id);
888
889 bt_vhci_init(bt_new_hci(vlan));
890 }
891
892 static struct bt_device_s *bt_device_add(const char *opt)
893 {
894 struct bt_scatternet_s *vlan;
895 int vlan_id = 0;
896 char *endp = strstr(opt, ",vlan=");
897 int len = (endp ? endp - opt : strlen(opt)) + 1;
898 char devname[10];
899
900 pstrcpy(devname, MIN(sizeof(devname), len), opt);
901
902 if (endp) {
903 vlan_id = strtol(endp + 6, &endp, 0);
904 if (*endp) {
905 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
906 return 0;
907 }
908 }
909
910 vlan = qemu_find_bt_vlan(vlan_id);
911
912 if (!vlan->slave)
913 fprintf(stderr, "qemu: warning: adding a slave device to "
914 "an empty scatternet %i\n", vlan_id);
915
916 if (!strcmp(devname, "keyboard"))
917 return bt_keyboard_init(vlan);
918
919 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
920 return 0;
921 }
922
923 static int bt_parse(const char *opt)
924 {
925 const char *endp, *p;
926 int vlan;
927
928 if (strstart(opt, "hci", &endp)) {
929 if (!*endp || *endp == ',') {
930 if (*endp)
931 if (!strstart(endp, ",vlan=", 0))
932 opt = endp + 1;
933
934 return bt_hci_parse(opt);
935 }
936 } else if (strstart(opt, "vhci", &endp)) {
937 if (!*endp || *endp == ',') {
938 if (*endp) {
939 if (strstart(endp, ",vlan=", &p)) {
940 vlan = strtol(p, (char **) &endp, 0);
941 if (*endp) {
942 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
943 return 1;
944 }
945 } else {
946 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
947 return 1;
948 }
949 } else
950 vlan = 0;
951
952 bt_vhci_add(vlan);
953 return 0;
954 }
955 } else if (strstart(opt, "device:", &endp))
956 return !bt_device_add(endp);
957
958 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
959 return 1;
960 }
961
962 static int parse_sandbox(QemuOpts *opts, void *opaque)
963 {
964 /* FIXME: change this to true for 1.3 */
965 if (qemu_opt_get_bool(opts, "enable", false)) {
966 #ifdef CONFIG_SECCOMP
967 if (seccomp_start() < 0) {
968 qerror_report(ERROR_CLASS_GENERIC_ERROR,
969 "failed to install seccomp syscall filter in the kernel");
970 return -1;
971 }
972 #else
973 qerror_report(ERROR_CLASS_GENERIC_ERROR,
974 "sandboxing request but seccomp is not compiled into this build");
975 return -1;
976 #endif
977 }
978
979 return 0;
980 }
981
982 static int parse_name(QemuOpts *opts, void *opaque)
983 {
984 const char *proc_name;
985
986 if (qemu_opt_get(opts, "debug-threads")) {
987 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
988 }
989 qemu_name = qemu_opt_get(opts, "guest");
990
991 proc_name = qemu_opt_get(opts, "process");
992 if (proc_name) {
993 os_set_proc_name(proc_name);
994 }
995
996 return 0;
997 }
998
999 bool defaults_enabled(void)
1000 {
1001 return has_defaults;
1002 }
1003
1004 bool usb_enabled(void)
1005 {
1006 return machine_usb(current_machine);
1007 }
1008
1009 #ifndef _WIN32
1010 static int parse_add_fd(QemuOpts *opts, void *opaque)
1011 {
1012 int fd, dupfd, flags;
1013 int64_t fdset_id;
1014 const char *fd_opaque = NULL;
1015
1016 fd = qemu_opt_get_number(opts, "fd", -1);
1017 fdset_id = qemu_opt_get_number(opts, "set", -1);
1018 fd_opaque = qemu_opt_get(opts, "opaque");
1019
1020 if (fd < 0) {
1021 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1022 "fd option is required and must be non-negative");
1023 return -1;
1024 }
1025
1026 if (fd <= STDERR_FILENO) {
1027 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1028 "fd cannot be a standard I/O stream");
1029 return -1;
1030 }
1031
1032 /*
1033 * All fds inherited across exec() necessarily have FD_CLOEXEC
1034 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1035 */
1036 flags = fcntl(fd, F_GETFD);
1037 if (flags == -1 || (flags & FD_CLOEXEC)) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "fd is not valid or already in use");
1040 return -1;
1041 }
1042
1043 if (fdset_id < 0) {
1044 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1045 "set option is required and must be non-negative");
1046 return -1;
1047 }
1048
1049 #ifdef F_DUPFD_CLOEXEC
1050 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1051 #else
1052 dupfd = dup(fd);
1053 if (dupfd != -1) {
1054 qemu_set_cloexec(dupfd);
1055 }
1056 #endif
1057 if (dupfd == -1) {
1058 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1059 "Error duplicating fd: %s", strerror(errno));
1060 return -1;
1061 }
1062
1063 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1064 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1065 fd_opaque, NULL);
1066
1067 return 0;
1068 }
1069
1070 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1071 {
1072 int fd;
1073
1074 fd = qemu_opt_get_number(opts, "fd", -1);
1075 close(fd);
1076
1077 return 0;
1078 }
1079 #endif
1080
1081 /***********************************************************/
1082 /* QEMU Block devices */
1083
1084 #define HD_OPTS "media=disk"
1085 #define CDROM_OPTS "media=cdrom"
1086 #define FD_OPTS ""
1087 #define PFLASH_OPTS ""
1088 #define MTD_OPTS ""
1089 #define SD_OPTS ""
1090
1091 static int drive_init_func(QemuOpts *opts, void *opaque)
1092 {
1093 BlockInterfaceType *block_default_type = opaque;
1094
1095 return drive_new(opts, *block_default_type) == NULL;
1096 }
1097
1098 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1099 {
1100 if (qemu_opt_get(opts, "snapshot") == NULL) {
1101 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1102 }
1103 return 0;
1104 }
1105
1106 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1107 int index, const char *optstr)
1108 {
1109 QemuOpts *opts;
1110 DriveInfo *dinfo;
1111
1112 if (!enable || drive_get_by_index(type, index)) {
1113 return;
1114 }
1115
1116 opts = drive_add(type, index, NULL, optstr);
1117 if (snapshot) {
1118 drive_enable_snapshot(opts, NULL);
1119 }
1120
1121 dinfo = drive_new(opts, type);
1122 if (!dinfo) {
1123 exit(1);
1124 }
1125 dinfo->is_default = true;
1126
1127 }
1128
1129 static QemuOptsList qemu_smp_opts = {
1130 .name = "smp-opts",
1131 .implied_opt_name = "cpus",
1132 .merge_lists = true,
1133 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1134 .desc = {
1135 {
1136 .name = "cpus",
1137 .type = QEMU_OPT_NUMBER,
1138 }, {
1139 .name = "sockets",
1140 .type = QEMU_OPT_NUMBER,
1141 }, {
1142 .name = "cores",
1143 .type = QEMU_OPT_NUMBER,
1144 }, {
1145 .name = "threads",
1146 .type = QEMU_OPT_NUMBER,
1147 }, {
1148 .name = "maxcpus",
1149 .type = QEMU_OPT_NUMBER,
1150 },
1151 { /*End of list */ }
1152 },
1153 };
1154
1155 static void smp_parse(QemuOpts *opts)
1156 {
1157 if (opts) {
1158
1159 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1160 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1161 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1162 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1163
1164 /* compute missing values, prefer sockets over cores over threads */
1165 if (cpus == 0 || sockets == 0) {
1166 sockets = sockets > 0 ? sockets : 1;
1167 cores = cores > 0 ? cores : 1;
1168 threads = threads > 0 ? threads : 1;
1169 if (cpus == 0) {
1170 cpus = cores * threads * sockets;
1171 }
1172 } else if (cores == 0) {
1173 threads = threads > 0 ? threads : 1;
1174 cores = cpus / (sockets * threads);
1175 } else if (threads == 0) {
1176 threads = cpus / (cores * sockets);
1177 } else if (sockets * cores * threads < cpus) {
1178 fprintf(stderr, "cpu topology: error: "
1179 "sockets (%u) * cores (%u) * threads (%u) < "
1180 "smp_cpus (%u)\n",
1181 sockets, cores, threads, cpus);
1182 exit(1);
1183 }
1184
1185 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1186
1187 smp_cpus = cpus;
1188 smp_cores = cores > 0 ? cores : 1;
1189 smp_threads = threads > 0 ? threads : 1;
1190
1191 }
1192
1193 if (max_cpus == 0) {
1194 max_cpus = smp_cpus;
1195 }
1196
1197 if (max_cpus > MAX_CPUMASK_BITS) {
1198 fprintf(stderr, "Unsupported number of maxcpus\n");
1199 exit(1);
1200 }
1201 if (max_cpus < smp_cpus) {
1202 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1203 exit(1);
1204 }
1205
1206 }
1207
1208 static void realtime_init(void)
1209 {
1210 if (enable_mlock) {
1211 if (os_mlock() < 0) {
1212 fprintf(stderr, "qemu: locking memory failed\n");
1213 exit(1);
1214 }
1215 }
1216 }
1217
1218
1219 static void configure_msg(QemuOpts *opts)
1220 {
1221 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1222 }
1223
1224 /***********************************************************/
1225 /* USB devices */
1226
1227 static int usb_device_add(const char *devname)
1228 {
1229 USBDevice *dev = NULL;
1230 #ifndef CONFIG_LINUX
1231 const char *p;
1232 #endif
1233
1234 if (!usb_enabled()) {
1235 return -1;
1236 }
1237
1238 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1239 dev = usbdevice_create(devname);
1240 if (dev)
1241 goto done;
1242
1243 /* the other ones */
1244 #ifndef CONFIG_LINUX
1245 /* only the linux version is qdev-ified, usb-bsd still needs this */
1246 if (strstart(devname, "host:", &p)) {
1247 dev = usb_host_device_open(usb_bus_find(-1), p);
1248 }
1249 #endif
1250 if (!dev)
1251 return -1;
1252
1253 done:
1254 return 0;
1255 }
1256
1257 static int usb_device_del(const char *devname)
1258 {
1259 int bus_num, addr;
1260 const char *p;
1261
1262 if (strstart(devname, "host:", &p)) {
1263 return -1;
1264 }
1265
1266 if (!usb_enabled()) {
1267 return -1;
1268 }
1269
1270 p = strchr(devname, '.');
1271 if (!p)
1272 return -1;
1273 bus_num = strtoul(devname, NULL, 0);
1274 addr = strtoul(p + 1, NULL, 0);
1275
1276 return usb_device_delete_addr(bus_num, addr);
1277 }
1278
1279 static int usb_parse(const char *cmdline)
1280 {
1281 int r;
1282 r = usb_device_add(cmdline);
1283 if (r < 0) {
1284 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1285 }
1286 return r;
1287 }
1288
1289 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1290 {
1291 const char *devname = qdict_get_str(qdict, "devname");
1292 if (usb_device_add(devname) < 0) {
1293 error_report("could not add USB device '%s'", devname);
1294 }
1295 }
1296
1297 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1298 {
1299 const char *devname = qdict_get_str(qdict, "devname");
1300 if (usb_device_del(devname) < 0) {
1301 error_report("could not delete USB device '%s'", devname);
1302 }
1303 }
1304
1305 /***********************************************************/
1306 /* machine registration */
1307
1308 MachineState *current_machine;
1309
1310 static void machine_class_init(ObjectClass *oc, void *data)
1311 {
1312 MachineClass *mc = MACHINE_CLASS(oc);
1313 QEMUMachine *qm = data;
1314
1315 mc->family = qm->family;
1316 mc->name = qm->name;
1317 mc->alias = qm->alias;
1318 mc->desc = qm->desc;
1319 mc->init = qm->init;
1320 mc->reset = qm->reset;
1321 mc->hot_add_cpu = qm->hot_add_cpu;
1322 mc->kvm_type = qm->kvm_type;
1323 mc->block_default_type = qm->block_default_type;
1324 mc->units_per_default_bus = qm->units_per_default_bus;
1325 mc->max_cpus = qm->max_cpus;
1326 mc->no_serial = qm->no_serial;
1327 mc->no_parallel = qm->no_parallel;
1328 mc->use_virtcon = qm->use_virtcon;
1329 mc->use_sclp = qm->use_sclp;
1330 mc->no_floppy = qm->no_floppy;
1331 mc->no_cdrom = qm->no_cdrom;
1332 mc->no_sdcard = qm->no_sdcard;
1333 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1334 mc->is_default = qm->is_default;
1335 mc->default_machine_opts = qm->default_machine_opts;
1336 mc->default_boot_order = qm->default_boot_order;
1337 mc->default_display = qm->default_display;
1338 mc->compat_props = qm->compat_props;
1339 mc->hw_version = qm->hw_version;
1340 }
1341
1342 int qemu_register_machine(QEMUMachine *m)
1343 {
1344 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1345 TypeInfo ti = {
1346 .name = name,
1347 .parent = TYPE_MACHINE,
1348 .class_init = machine_class_init,
1349 .class_data = (void *)m,
1350 };
1351
1352 type_register(&ti);
1353 g_free(name);
1354
1355 return 0;
1356 }
1357
1358 static MachineClass *find_machine(const char *name)
1359 {
1360 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1361 MachineClass *mc = NULL;
1362
1363 for (el = machines; el; el = el->next) {
1364 MachineClass *temp = el->data;
1365
1366 if (!strcmp(temp->name, name)) {
1367 mc = temp;
1368 break;
1369 }
1370 if (temp->alias &&
1371 !strcmp(temp->alias, name)) {
1372 mc = temp;
1373 break;
1374 }
1375 }
1376
1377 g_slist_free(machines);
1378 return mc;
1379 }
1380
1381 MachineClass *find_default_machine(void)
1382 {
1383 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1384 MachineClass *mc = NULL;
1385
1386 for (el = machines; el; el = el->next) {
1387 MachineClass *temp = el->data;
1388
1389 if (temp->is_default) {
1390 mc = temp;
1391 break;
1392 }
1393 }
1394
1395 g_slist_free(machines);
1396 return mc;
1397 }
1398
1399 MachineInfoList *qmp_query_machines(Error **errp)
1400 {
1401 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1402 MachineInfoList *mach_list = NULL;
1403
1404 for (el = machines; el; el = el->next) {
1405 MachineClass *mc = el->data;
1406 MachineInfoList *entry;
1407 MachineInfo *info;
1408
1409 info = g_malloc0(sizeof(*info));
1410 if (mc->is_default) {
1411 info->has_is_default = true;
1412 info->is_default = true;
1413 }
1414
1415 if (mc->alias) {
1416 info->has_alias = true;
1417 info->alias = g_strdup(mc->alias);
1418 }
1419
1420 info->name = g_strdup(mc->name);
1421 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1422
1423 entry = g_malloc0(sizeof(*entry));
1424 entry->value = info;
1425 entry->next = mach_list;
1426 mach_list = entry;
1427 }
1428
1429 g_slist_free(machines);
1430 return mach_list;
1431 }
1432
1433 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1434 {
1435 ObjectProperty *prop;
1436
1437 if (!qemu_opt_has_help_opt(opts)) {
1438 return 0;
1439 }
1440
1441 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1442 if (!prop->set) {
1443 continue;
1444 }
1445
1446 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1447 prop->name, prop->type);
1448 if (prop->description) {
1449 error_printf(" (%s)\n", prop->description);
1450 } else {
1451 error_printf("\n");
1452 }
1453 }
1454
1455 return 1;
1456 }
1457
1458 /***********************************************************/
1459 /* main execution loop */
1460
1461 struct vm_change_state_entry {
1462 VMChangeStateHandler *cb;
1463 void *opaque;
1464 QLIST_ENTRY (vm_change_state_entry) entries;
1465 };
1466
1467 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1468
1469 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1470 void *opaque)
1471 {
1472 VMChangeStateEntry *e;
1473
1474 e = g_malloc0(sizeof (*e));
1475
1476 e->cb = cb;
1477 e->opaque = opaque;
1478 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1479 return e;
1480 }
1481
1482 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1483 {
1484 QLIST_REMOVE (e, entries);
1485 g_free (e);
1486 }
1487
1488 void vm_state_notify(int running, RunState state)
1489 {
1490 VMChangeStateEntry *e, *next;
1491
1492 trace_vm_state_notify(running, state);
1493
1494 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1495 e->cb(e->opaque, running, state);
1496 }
1497 }
1498
1499 /* reset/shutdown handler */
1500
1501 typedef struct QEMUResetEntry {
1502 QTAILQ_ENTRY(QEMUResetEntry) entry;
1503 QEMUResetHandler *func;
1504 void *opaque;
1505 } QEMUResetEntry;
1506
1507 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1508 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1509 static int reset_requested;
1510 static int shutdown_requested, shutdown_signal = -1;
1511 static pid_t shutdown_pid;
1512 static int powerdown_requested;
1513 static int debug_requested;
1514 static int suspend_requested;
1515 static WakeupReason wakeup_reason;
1516 static NotifierList powerdown_notifiers =
1517 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1518 static NotifierList suspend_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1520 static NotifierList wakeup_notifiers =
1521 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1522 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1523
1524 int qemu_shutdown_requested_get(void)
1525 {
1526 return shutdown_requested;
1527 }
1528
1529 int qemu_reset_requested_get(void)
1530 {
1531 return reset_requested;
1532 }
1533
1534 static int qemu_shutdown_requested(void)
1535 {
1536 return atomic_xchg(&shutdown_requested, 0);
1537 }
1538
1539 static void qemu_kill_report(void)
1540 {
1541 if (!qtest_driver() && shutdown_signal != -1) {
1542 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1543 if (shutdown_pid == 0) {
1544 /* This happens for eg ^C at the terminal, so it's worth
1545 * avoiding printing an odd message in that case.
1546 */
1547 fputc('\n', stderr);
1548 } else {
1549 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1550 }
1551 shutdown_signal = -1;
1552 }
1553 }
1554
1555 static int qemu_reset_requested(void)
1556 {
1557 int r = reset_requested;
1558 reset_requested = 0;
1559 return r;
1560 }
1561
1562 static int qemu_suspend_requested(void)
1563 {
1564 int r = suspend_requested;
1565 suspend_requested = 0;
1566 return r;
1567 }
1568
1569 static WakeupReason qemu_wakeup_requested(void)
1570 {
1571 return wakeup_reason;
1572 }
1573
1574 static int qemu_powerdown_requested(void)
1575 {
1576 int r = powerdown_requested;
1577 powerdown_requested = 0;
1578 return r;
1579 }
1580
1581 static int qemu_debug_requested(void)
1582 {
1583 int r = debug_requested;
1584 debug_requested = 0;
1585 return r;
1586 }
1587
1588 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1589 {
1590 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1591
1592 re->func = func;
1593 re->opaque = opaque;
1594 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1595 }
1596
1597 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1598 {
1599 QEMUResetEntry *re;
1600
1601 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1602 if (re->func == func && re->opaque == opaque) {
1603 QTAILQ_REMOVE(&reset_handlers, re, entry);
1604 g_free(re);
1605 return;
1606 }
1607 }
1608 }
1609
1610 void qemu_devices_reset(void)
1611 {
1612 QEMUResetEntry *re, *nre;
1613
1614 /* reset all devices */
1615 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1616 re->func(re->opaque);
1617 }
1618 }
1619
1620 void qemu_system_reset(bool report)
1621 {
1622 MachineClass *mc;
1623
1624 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1625
1626 if (mc && mc->reset) {
1627 mc->reset();
1628 } else {
1629 qemu_devices_reset();
1630 }
1631 if (report) {
1632 qapi_event_send_reset(&error_abort);
1633 }
1634 cpu_synchronize_all_post_reset();
1635 }
1636
1637 void qemu_system_reset_request(void)
1638 {
1639 if (no_reboot) {
1640 shutdown_requested = 1;
1641 } else {
1642 reset_requested = 1;
1643 }
1644 cpu_stop_current();
1645 qemu_notify_event();
1646 }
1647
1648 static void qemu_system_suspend(void)
1649 {
1650 pause_all_vcpus();
1651 notifier_list_notify(&suspend_notifiers, NULL);
1652 runstate_set(RUN_STATE_SUSPENDED);
1653 qapi_event_send_suspend(&error_abort);
1654 }
1655
1656 void qemu_system_suspend_request(void)
1657 {
1658 if (runstate_check(RUN_STATE_SUSPENDED)) {
1659 return;
1660 }
1661 suspend_requested = 1;
1662 cpu_stop_current();
1663 qemu_notify_event();
1664 }
1665
1666 void qemu_register_suspend_notifier(Notifier *notifier)
1667 {
1668 notifier_list_add(&suspend_notifiers, notifier);
1669 }
1670
1671 void qemu_system_wakeup_request(WakeupReason reason)
1672 {
1673 trace_system_wakeup_request(reason);
1674
1675 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1676 return;
1677 }
1678 if (!(wakeup_reason_mask & (1 << reason))) {
1679 return;
1680 }
1681 runstate_set(RUN_STATE_RUNNING);
1682 wakeup_reason = reason;
1683 qemu_notify_event();
1684 }
1685
1686 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1687 {
1688 if (enabled) {
1689 wakeup_reason_mask |= (1 << reason);
1690 } else {
1691 wakeup_reason_mask &= ~(1 << reason);
1692 }
1693 }
1694
1695 void qemu_register_wakeup_notifier(Notifier *notifier)
1696 {
1697 notifier_list_add(&wakeup_notifiers, notifier);
1698 }
1699
1700 void qemu_system_killed(int signal, pid_t pid)
1701 {
1702 shutdown_signal = signal;
1703 shutdown_pid = pid;
1704 no_shutdown = 0;
1705 qemu_system_shutdown_request();
1706 }
1707
1708 void qemu_system_shutdown_request(void)
1709 {
1710 trace_qemu_system_shutdown_request();
1711 shutdown_requested = 1;
1712 qemu_notify_event();
1713 }
1714
1715 static void qemu_system_powerdown(void)
1716 {
1717 qapi_event_send_powerdown(&error_abort);
1718 notifier_list_notify(&powerdown_notifiers, NULL);
1719 }
1720
1721 void qemu_system_powerdown_request(void)
1722 {
1723 trace_qemu_system_powerdown_request();
1724 powerdown_requested = 1;
1725 qemu_notify_event();
1726 }
1727
1728 void qemu_register_powerdown_notifier(Notifier *notifier)
1729 {
1730 notifier_list_add(&powerdown_notifiers, notifier);
1731 }
1732
1733 void qemu_system_debug_request(void)
1734 {
1735 debug_requested = 1;
1736 qemu_notify_event();
1737 }
1738
1739 static bool main_loop_should_exit(void)
1740 {
1741 RunState r;
1742 if (qemu_debug_requested()) {
1743 vm_stop(RUN_STATE_DEBUG);
1744 }
1745 if (qemu_suspend_requested()) {
1746 qemu_system_suspend();
1747 }
1748 if (qemu_shutdown_requested()) {
1749 qemu_kill_report();
1750 qapi_event_send_shutdown(&error_abort);
1751 if (no_shutdown) {
1752 vm_stop(RUN_STATE_SHUTDOWN);
1753 } else {
1754 return true;
1755 }
1756 }
1757 if (qemu_reset_requested()) {
1758 pause_all_vcpus();
1759 cpu_synchronize_all_states();
1760 qemu_system_reset(VMRESET_REPORT);
1761 resume_all_vcpus();
1762 if (runstate_needs_reset()) {
1763 runstate_set(RUN_STATE_PAUSED);
1764 }
1765 }
1766 if (qemu_wakeup_requested()) {
1767 pause_all_vcpus();
1768 cpu_synchronize_all_states();
1769 qemu_system_reset(VMRESET_SILENT);
1770 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1771 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1772 resume_all_vcpus();
1773 qapi_event_send_wakeup(&error_abort);
1774 }
1775 if (qemu_powerdown_requested()) {
1776 qemu_system_powerdown();
1777 }
1778 if (qemu_vmstop_requested(&r)) {
1779 vm_stop(r);
1780 }
1781 return false;
1782 }
1783
1784 static void main_loop(void)
1785 {
1786 bool nonblocking;
1787 int last_io = 0;
1788 #ifdef CONFIG_PROFILER
1789 int64_t ti;
1790 #endif
1791 do {
1792 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1793 #ifdef CONFIG_PROFILER
1794 ti = profile_getclock();
1795 #endif
1796 last_io = main_loop_wait(nonblocking);
1797 #ifdef CONFIG_PROFILER
1798 dev_time += profile_getclock() - ti;
1799 #endif
1800 } while (!main_loop_should_exit());
1801 }
1802
1803 static void version(void)
1804 {
1805 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1806 }
1807
1808 static void help(int exitcode)
1809 {
1810 version();
1811 printf("usage: %s [options] [disk_image]\n\n"
1812 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1813 error_get_progname());
1814
1815 #define QEMU_OPTIONS_GENERATE_HELP
1816 #include "qemu-options-wrapper.h"
1817
1818 printf("\nDuring emulation, the following keys are useful:\n"
1819 "ctrl-alt-f toggle full screen\n"
1820 "ctrl-alt-n switch to virtual console 'n'\n"
1821 "ctrl-alt toggle mouse and keyboard grab\n"
1822 "\n"
1823 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1824
1825 exit(exitcode);
1826 }
1827
1828 #define HAS_ARG 0x0001
1829
1830 typedef struct QEMUOption {
1831 const char *name;
1832 int flags;
1833 int index;
1834 uint32_t arch_mask;
1835 } QEMUOption;
1836
1837 static const QEMUOption qemu_options[] = {
1838 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1839 #define QEMU_OPTIONS_GENERATE_OPTIONS
1840 #include "qemu-options-wrapper.h"
1841 { NULL },
1842 };
1843
1844 static bool vga_available(void)
1845 {
1846 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1847 }
1848
1849 static bool cirrus_vga_available(void)
1850 {
1851 return object_class_by_name("cirrus-vga")
1852 || object_class_by_name("isa-cirrus-vga");
1853 }
1854
1855 static bool vmware_vga_available(void)
1856 {
1857 return object_class_by_name("vmware-svga");
1858 }
1859
1860 static bool qxl_vga_available(void)
1861 {
1862 return object_class_by_name("qxl-vga");
1863 }
1864
1865 static bool tcx_vga_available(void)
1866 {
1867 return object_class_by_name("SUNW,tcx");
1868 }
1869
1870 static bool cg3_vga_available(void)
1871 {
1872 return object_class_by_name("cgthree");
1873 }
1874
1875 static void select_vgahw (const char *p)
1876 {
1877 const char *opts;
1878
1879 assert(vga_interface_type == VGA_NONE);
1880 if (strstart(p, "std", &opts)) {
1881 if (vga_available()) {
1882 vga_interface_type = VGA_STD;
1883 } else {
1884 fprintf(stderr, "Error: standard VGA not available\n");
1885 exit(0);
1886 }
1887 } else if (strstart(p, "cirrus", &opts)) {
1888 if (cirrus_vga_available()) {
1889 vga_interface_type = VGA_CIRRUS;
1890 } else {
1891 fprintf(stderr, "Error: Cirrus VGA not available\n");
1892 exit(0);
1893 }
1894 } else if (strstart(p, "vmware", &opts)) {
1895 if (vmware_vga_available()) {
1896 vga_interface_type = VGA_VMWARE;
1897 } else {
1898 fprintf(stderr, "Error: VMWare SVGA not available\n");
1899 exit(0);
1900 }
1901 } else if (strstart(p, "xenfb", &opts)) {
1902 vga_interface_type = VGA_XENFB;
1903 } else if (strstart(p, "qxl", &opts)) {
1904 if (qxl_vga_available()) {
1905 vga_interface_type = VGA_QXL;
1906 } else {
1907 fprintf(stderr, "Error: QXL VGA not available\n");
1908 exit(0);
1909 }
1910 } else if (strstart(p, "tcx", &opts)) {
1911 if (tcx_vga_available()) {
1912 vga_interface_type = VGA_TCX;
1913 } else {
1914 fprintf(stderr, "Error: TCX framebuffer not available\n");
1915 exit(0);
1916 }
1917 } else if (strstart(p, "cg3", &opts)) {
1918 if (cg3_vga_available()) {
1919 vga_interface_type = VGA_CG3;
1920 } else {
1921 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1922 exit(0);
1923 }
1924 } else if (!strstart(p, "none", &opts)) {
1925 invalid_vga:
1926 fprintf(stderr, "Unknown vga type: %s\n", p);
1927 exit(1);
1928 }
1929 while (*opts) {
1930 const char *nextopt;
1931
1932 if (strstart(opts, ",retrace=", &nextopt)) {
1933 opts = nextopt;
1934 if (strstart(opts, "dumb", &nextopt))
1935 vga_retrace_method = VGA_RETRACE_DUMB;
1936 else if (strstart(opts, "precise", &nextopt))
1937 vga_retrace_method = VGA_RETRACE_PRECISE;
1938 else goto invalid_vga;
1939 } else goto invalid_vga;
1940 opts = nextopt;
1941 }
1942 }
1943
1944 static DisplayType select_display(const char *p)
1945 {
1946 const char *opts;
1947 DisplayType display = DT_DEFAULT;
1948
1949 if (strstart(p, "sdl", &opts)) {
1950 #ifdef CONFIG_SDL
1951 display = DT_SDL;
1952 while (*opts) {
1953 const char *nextopt;
1954
1955 if (strstart(opts, ",frame=", &nextopt)) {
1956 opts = nextopt;
1957 if (strstart(opts, "on", &nextopt)) {
1958 no_frame = 0;
1959 } else if (strstart(opts, "off", &nextopt)) {
1960 no_frame = 1;
1961 } else {
1962 goto invalid_sdl_args;
1963 }
1964 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1965 opts = nextopt;
1966 if (strstart(opts, "on", &nextopt)) {
1967 alt_grab = 1;
1968 } else if (strstart(opts, "off", &nextopt)) {
1969 alt_grab = 0;
1970 } else {
1971 goto invalid_sdl_args;
1972 }
1973 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1974 opts = nextopt;
1975 if (strstart(opts, "on", &nextopt)) {
1976 ctrl_grab = 1;
1977 } else if (strstart(opts, "off", &nextopt)) {
1978 ctrl_grab = 0;
1979 } else {
1980 goto invalid_sdl_args;
1981 }
1982 } else if (strstart(opts, ",window_close=", &nextopt)) {
1983 opts = nextopt;
1984 if (strstart(opts, "on", &nextopt)) {
1985 no_quit = 0;
1986 } else if (strstart(opts, "off", &nextopt)) {
1987 no_quit = 1;
1988 } else {
1989 goto invalid_sdl_args;
1990 }
1991 } else {
1992 invalid_sdl_args:
1993 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1994 exit(1);
1995 }
1996 opts = nextopt;
1997 }
1998 #else
1999 fprintf(stderr, "SDL support is disabled\n");
2000 exit(1);
2001 #endif
2002 } else if (strstart(p, "vnc", &opts)) {
2003 #ifdef CONFIG_VNC
2004 if (*opts == '=') {
2005 if (vnc_parse_func(opts+1) == NULL) {
2006 exit(1);
2007 }
2008 } else {
2009 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2010 exit(1);
2011 }
2012 #else
2013 fprintf(stderr, "VNC support is disabled\n");
2014 exit(1);
2015 #endif
2016 } else if (strstart(p, "curses", &opts)) {
2017 #ifdef CONFIG_CURSES
2018 display = DT_CURSES;
2019 #else
2020 fprintf(stderr, "Curses support is disabled\n");
2021 exit(1);
2022 #endif
2023 } else if (strstart(p, "gtk", &opts)) {
2024 #ifdef CONFIG_GTK
2025 display = DT_GTK;
2026 while (*opts) {
2027 const char *nextopt;
2028
2029 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2030 opts = nextopt;
2031 if (strstart(opts, "on", &nextopt)) {
2032 grab_on_hover = true;
2033 } else if (strstart(opts, "off", &nextopt)) {
2034 grab_on_hover = false;
2035 } else {
2036 goto invalid_gtk_args;
2037 }
2038 } else {
2039 invalid_gtk_args:
2040 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2041 exit(1);
2042 }
2043 opts = nextopt;
2044 }
2045 #else
2046 fprintf(stderr, "GTK support is disabled\n");
2047 exit(1);
2048 #endif
2049 } else if (strstart(p, "none", &opts)) {
2050 display = DT_NONE;
2051 } else {
2052 fprintf(stderr, "Unknown display type: %s\n", p);
2053 exit(1);
2054 }
2055
2056 return display;
2057 }
2058
2059 static int balloon_parse(const char *arg)
2060 {
2061 QemuOpts *opts;
2062
2063 if (strcmp(arg, "none") == 0) {
2064 return 0;
2065 }
2066
2067 if (!strncmp(arg, "virtio", 6)) {
2068 if (arg[6] == ',') {
2069 /* have params -> parse them */
2070 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2071 if (!opts)
2072 return -1;
2073 } else {
2074 /* create empty opts */
2075 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2076 &error_abort);
2077 }
2078 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2079 return 0;
2080 }
2081
2082 return -1;
2083 }
2084
2085 char *qemu_find_file(int type, const char *name)
2086 {
2087 int i;
2088 const char *subdir;
2089 char *buf;
2090
2091 /* Try the name as a straight path first */
2092 if (access(name, R_OK) == 0) {
2093 trace_load_file(name, name);
2094 return g_strdup(name);
2095 }
2096
2097 switch (type) {
2098 case QEMU_FILE_TYPE_BIOS:
2099 subdir = "";
2100 break;
2101 case QEMU_FILE_TYPE_KEYMAP:
2102 subdir = "keymaps/";
2103 break;
2104 default:
2105 abort();
2106 }
2107
2108 for (i = 0; i < data_dir_idx; i++) {
2109 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2110 if (access(buf, R_OK) == 0) {
2111 trace_load_file(name, buf);
2112 return buf;
2113 }
2114 g_free(buf);
2115 }
2116 return NULL;
2117 }
2118
2119 static int device_help_func(QemuOpts *opts, void *opaque)
2120 {
2121 return qdev_device_help(opts);
2122 }
2123
2124 static int device_init_func(QemuOpts *opts, void *opaque)
2125 {
2126 DeviceState *dev;
2127
2128 dev = qdev_device_add(opts);
2129 if (!dev)
2130 return -1;
2131 object_unref(OBJECT(dev));
2132 return 0;
2133 }
2134
2135 static int chardev_init_func(QemuOpts *opts, void *opaque)
2136 {
2137 Error *local_err = NULL;
2138
2139 qemu_chr_new_from_opts(opts, NULL, &local_err);
2140 if (local_err) {
2141 error_report_err(local_err);
2142 return -1;
2143 }
2144 return 0;
2145 }
2146
2147 #ifdef CONFIG_VIRTFS
2148 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2149 {
2150 int ret;
2151 ret = qemu_fsdev_add(opts);
2152
2153 return ret;
2154 }
2155 #endif
2156
2157 static int mon_init_func(QemuOpts *opts, void *opaque)
2158 {
2159 CharDriverState *chr;
2160 const char *chardev;
2161 const char *mode;
2162 int flags;
2163
2164 mode = qemu_opt_get(opts, "mode");
2165 if (mode == NULL) {
2166 mode = "readline";
2167 }
2168 if (strcmp(mode, "readline") == 0) {
2169 flags = MONITOR_USE_READLINE;
2170 } else if (strcmp(mode, "control") == 0) {
2171 flags = MONITOR_USE_CONTROL;
2172 } else {
2173 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2174 exit(1);
2175 }
2176
2177 if (qemu_opt_get_bool(opts, "pretty", 0))
2178 flags |= MONITOR_USE_PRETTY;
2179
2180 if (qemu_opt_get_bool(opts, "default", 0))
2181 flags |= MONITOR_IS_DEFAULT;
2182
2183 chardev = qemu_opt_get(opts, "chardev");
2184 chr = qemu_chr_find(chardev);
2185 if (chr == NULL) {
2186 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2187 exit(1);
2188 }
2189
2190 qemu_chr_fe_claim_no_fail(chr);
2191 monitor_init(chr, flags);
2192 return 0;
2193 }
2194
2195 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2196 {
2197 static int monitor_device_index = 0;
2198 Error *local_err = NULL;
2199 QemuOpts *opts;
2200 const char *p;
2201 char label[32];
2202 int def = 0;
2203
2204 if (strstart(optarg, "chardev:", &p)) {
2205 snprintf(label, sizeof(label), "%s", p);
2206 } else {
2207 snprintf(label, sizeof(label), "compat_monitor%d",
2208 monitor_device_index);
2209 if (monitor_device_index == 0) {
2210 def = 1;
2211 }
2212 opts = qemu_chr_parse_compat(label, optarg);
2213 if (!opts) {
2214 fprintf(stderr, "parse error: %s\n", optarg);
2215 exit(1);
2216 }
2217 }
2218
2219 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2220 if (!opts) {
2221 error_report_err(local_err);
2222 exit(1);
2223 }
2224 qemu_opt_set(opts, "mode", mode, &error_abort);
2225 qemu_opt_set(opts, "chardev", label, &error_abort);
2226 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2227 if (def)
2228 qemu_opt_set(opts, "default", "on", &error_abort);
2229 monitor_device_index++;
2230 }
2231
2232 struct device_config {
2233 enum {
2234 DEV_USB, /* -usbdevice */
2235 DEV_BT, /* -bt */
2236 DEV_SERIAL, /* -serial */
2237 DEV_PARALLEL, /* -parallel */
2238 DEV_VIRTCON, /* -virtioconsole */
2239 DEV_DEBUGCON, /* -debugcon */
2240 DEV_GDB, /* -gdb, -s */
2241 DEV_SCLP, /* s390 sclp */
2242 } type;
2243 const char *cmdline;
2244 Location loc;
2245 QTAILQ_ENTRY(device_config) next;
2246 };
2247
2248 static QTAILQ_HEAD(, device_config) device_configs =
2249 QTAILQ_HEAD_INITIALIZER(device_configs);
2250
2251 static void add_device_config(int type, const char *cmdline)
2252 {
2253 struct device_config *conf;
2254
2255 conf = g_malloc0(sizeof(*conf));
2256 conf->type = type;
2257 conf->cmdline = cmdline;
2258 loc_save(&conf->loc);
2259 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2260 }
2261
2262 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2263 {
2264 struct device_config *conf;
2265 int rc;
2266
2267 QTAILQ_FOREACH(conf, &device_configs, next) {
2268 if (conf->type != type)
2269 continue;
2270 loc_push_restore(&conf->loc);
2271 rc = func(conf->cmdline);
2272 loc_pop(&conf->loc);
2273 if (rc) {
2274 return rc;
2275 }
2276 }
2277 return 0;
2278 }
2279
2280 static int serial_parse(const char *devname)
2281 {
2282 static int index = 0;
2283 char label[32];
2284
2285 if (strcmp(devname, "none") == 0)
2286 return 0;
2287 if (index == MAX_SERIAL_PORTS) {
2288 fprintf(stderr, "qemu: too many serial ports\n");
2289 exit(1);
2290 }
2291 snprintf(label, sizeof(label), "serial%d", index);
2292 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2293 if (!serial_hds[index]) {
2294 fprintf(stderr, "qemu: could not connect serial device"
2295 " to character backend '%s'\n", devname);
2296 return -1;
2297 }
2298 index++;
2299 return 0;
2300 }
2301
2302 static int parallel_parse(const char *devname)
2303 {
2304 static int index = 0;
2305 char label[32];
2306
2307 if (strcmp(devname, "none") == 0)
2308 return 0;
2309 if (index == MAX_PARALLEL_PORTS) {
2310 fprintf(stderr, "qemu: too many parallel ports\n");
2311 exit(1);
2312 }
2313 snprintf(label, sizeof(label), "parallel%d", index);
2314 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2315 if (!parallel_hds[index]) {
2316 fprintf(stderr, "qemu: could not connect parallel device"
2317 " to character backend '%s'\n", devname);
2318 return -1;
2319 }
2320 index++;
2321 return 0;
2322 }
2323
2324 static int virtcon_parse(const char *devname)
2325 {
2326 QemuOptsList *device = qemu_find_opts("device");
2327 static int index = 0;
2328 char label[32];
2329 QemuOpts *bus_opts, *dev_opts;
2330
2331 if (strcmp(devname, "none") == 0)
2332 return 0;
2333 if (index == MAX_VIRTIO_CONSOLES) {
2334 fprintf(stderr, "qemu: too many virtio consoles\n");
2335 exit(1);
2336 }
2337
2338 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2339 if (arch_type == QEMU_ARCH_S390X) {
2340 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2341 } else {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2343 }
2344
2345 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2346 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2347
2348 snprintf(label, sizeof(label), "virtcon%d", index);
2349 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2350 if (!virtcon_hds[index]) {
2351 fprintf(stderr, "qemu: could not connect virtio console"
2352 " to character backend '%s'\n", devname);
2353 return -1;
2354 }
2355 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2356
2357 index++;
2358 return 0;
2359 }
2360
2361 static int sclp_parse(const char *devname)
2362 {
2363 QemuOptsList *device = qemu_find_opts("device");
2364 static int index = 0;
2365 char label[32];
2366 QemuOpts *dev_opts;
2367
2368 if (strcmp(devname, "none") == 0) {
2369 return 0;
2370 }
2371 if (index == MAX_SCLP_CONSOLES) {
2372 fprintf(stderr, "qemu: too many sclp consoles\n");
2373 exit(1);
2374 }
2375
2376 assert(arch_type == QEMU_ARCH_S390X);
2377
2378 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2379 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2380
2381 snprintf(label, sizeof(label), "sclpcon%d", index);
2382 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2383 if (!sclp_hds[index]) {
2384 fprintf(stderr, "qemu: could not connect sclp console"
2385 " to character backend '%s'\n", devname);
2386 return -1;
2387 }
2388 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2389
2390 index++;
2391 return 0;
2392 }
2393
2394 static int debugcon_parse(const char *devname)
2395 {
2396 QemuOpts *opts;
2397
2398 if (!qemu_chr_new("debugcon", devname, NULL)) {
2399 exit(1);
2400 }
2401 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2402 if (!opts) {
2403 fprintf(stderr, "qemu: already have a debugcon device\n");
2404 exit(1);
2405 }
2406 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2407 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2408 return 0;
2409 }
2410
2411 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2412 {
2413 const MachineClass *mc1 = a, *mc2 = b;
2414 int res;
2415
2416 if (mc1->family == NULL) {
2417 if (mc2->family == NULL) {
2418 /* Compare standalone machine types against each other; they sort
2419 * in increasing order.
2420 */
2421 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2422 object_class_get_name(OBJECT_CLASS(mc2)));
2423 }
2424
2425 /* Standalone machine types sort after families. */
2426 return 1;
2427 }
2428
2429 if (mc2->family == NULL) {
2430 /* Families sort before standalone machine types. */
2431 return -1;
2432 }
2433
2434 /* Families sort between each other alphabetically increasingly. */
2435 res = strcmp(mc1->family, mc2->family);
2436 if (res != 0) {
2437 return res;
2438 }
2439
2440 /* Within the same family, machine types sort in decreasing order. */
2441 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2442 object_class_get_name(OBJECT_CLASS(mc1)));
2443 }
2444
2445 static MachineClass *machine_parse(const char *name)
2446 {
2447 MachineClass *mc = NULL;
2448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2449
2450 if (name) {
2451 mc = find_machine(name);
2452 }
2453 if (mc) {
2454 g_slist_free(machines);
2455 return mc;
2456 }
2457 if (name && !is_help_option(name)) {
2458 error_report("Unsupported machine type");
2459 error_printf("Use -machine help to list supported machines!\n");
2460 } else {
2461 printf("Supported machines are:\n");
2462 machines = g_slist_sort(machines, machine_class_cmp);
2463 for (el = machines; el; el = el->next) {
2464 MachineClass *mc = el->data;
2465 if (mc->alias) {
2466 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2467 }
2468 printf("%-20s %s%s\n", mc->name, mc->desc,
2469 mc->is_default ? " (default)" : "");
2470 }
2471 }
2472
2473 g_slist_free(machines);
2474 exit(!name || !is_help_option(name));
2475 }
2476
2477 void qemu_add_exit_notifier(Notifier *notify)
2478 {
2479 notifier_list_add(&exit_notifiers, notify);
2480 }
2481
2482 void qemu_remove_exit_notifier(Notifier *notify)
2483 {
2484 notifier_remove(notify);
2485 }
2486
2487 static void qemu_run_exit_notifiers(void)
2488 {
2489 notifier_list_notify(&exit_notifiers, NULL);
2490 }
2491
2492 void qemu_add_machine_init_done_notifier(Notifier *notify)
2493 {
2494 notifier_list_add(&machine_init_done_notifiers, notify);
2495 }
2496
2497 static void qemu_run_machine_init_done_notifiers(void)
2498 {
2499 notifier_list_notify(&machine_init_done_notifiers, NULL);
2500 }
2501
2502 static const QEMUOption *lookup_opt(int argc, char **argv,
2503 const char **poptarg, int *poptind)
2504 {
2505 const QEMUOption *popt;
2506 int optind = *poptind;
2507 char *r = argv[optind];
2508 const char *optarg;
2509
2510 loc_set_cmdline(argv, optind, 1);
2511 optind++;
2512 /* Treat --foo the same as -foo. */
2513 if (r[1] == '-')
2514 r++;
2515 popt = qemu_options;
2516 for(;;) {
2517 if (!popt->name) {
2518 error_report("invalid option");
2519 exit(1);
2520 }
2521 if (!strcmp(popt->name, r + 1))
2522 break;
2523 popt++;
2524 }
2525 if (popt->flags & HAS_ARG) {
2526 if (optind >= argc) {
2527 error_report("requires an argument");
2528 exit(1);
2529 }
2530 optarg = argv[optind++];
2531 loc_set_cmdline(argv, optind - 2, 2);
2532 } else {
2533 optarg = NULL;
2534 }
2535
2536 *poptarg = optarg;
2537 *poptind = optind;
2538
2539 return popt;
2540 }
2541
2542 static gpointer malloc_and_trace(gsize n_bytes)
2543 {
2544 void *ptr = malloc(n_bytes);
2545 trace_g_malloc(n_bytes, ptr);
2546 return ptr;
2547 }
2548
2549 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2550 {
2551 void *ptr = realloc(mem, n_bytes);
2552 trace_g_realloc(mem, n_bytes, ptr);
2553 return ptr;
2554 }
2555
2556 static void free_and_trace(gpointer mem)
2557 {
2558 trace_g_free(mem);
2559 free(mem);
2560 }
2561
2562 static int machine_set_property(const char *name, const char *value,
2563 void *opaque)
2564 {
2565 Object *obj = OBJECT(opaque);
2566 Error *local_err = NULL;
2567 char *c, *qom_name;
2568
2569 if (strcmp(name, "type") == 0) {
2570 return 0;
2571 }
2572
2573 qom_name = g_strdup(name);
2574 c = qom_name;
2575 while (*c++) {
2576 if (*c == '_') {
2577 *c = '-';
2578 }
2579 }
2580
2581 object_property_parse(obj, value, qom_name, &local_err);
2582 g_free(qom_name);
2583
2584 if (local_err) {
2585 error_report_err(local_err);
2586 return -1;
2587 }
2588
2589 return 0;
2590 }
2591
2592 static int object_create(QemuOpts *opts, void *opaque)
2593 {
2594 Error *err = NULL;
2595 char *type = NULL;
2596 char *id = NULL;
2597 void *dummy = NULL;
2598 OptsVisitor *ov;
2599 QDict *pdict;
2600
2601 ov = opts_visitor_new(opts);
2602 pdict = qemu_opts_to_qdict(opts, NULL);
2603
2604 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2605 if (err) {
2606 goto out;
2607 }
2608
2609 qdict_del(pdict, "qom-type");
2610 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2611 if (err) {
2612 goto out;
2613 }
2614
2615 qdict_del(pdict, "id");
2616 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2617 if (err) {
2618 goto out;
2619 }
2620
2621 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2622 if (err) {
2623 goto out;
2624 }
2625 visit_end_struct(opts_get_visitor(ov), &err);
2626 if (err) {
2627 qmp_object_del(id, NULL);
2628 }
2629
2630 out:
2631 opts_visitor_cleanup(ov);
2632
2633 QDECREF(pdict);
2634 g_free(id);
2635 g_free(type);
2636 g_free(dummy);
2637 if (err) {
2638 error_report_err(err);
2639 return -1;
2640 }
2641 return 0;
2642 }
2643
2644 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2645 {
2646 uint64_t sz;
2647 const char *mem_str;
2648 const char *maxmem_str, *slots_str;
2649 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2650 1024 * 1024;
2651 QemuOpts *opts = qemu_find_opts_singleton("memory");
2652
2653 sz = 0;
2654 mem_str = qemu_opt_get(opts, "size");
2655 if (mem_str) {
2656 if (!*mem_str) {
2657 error_report("missing 'size' option value");
2658 exit(EXIT_FAILURE);
2659 }
2660
2661 sz = qemu_opt_get_size(opts, "size", ram_size);
2662
2663 /* Fix up legacy suffix-less format */
2664 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2665 uint64_t overflow_check = sz;
2666
2667 sz <<= 20;
2668 if ((sz >> 20) != overflow_check) {
2669 error_report("too large 'size' option value");
2670 exit(EXIT_FAILURE);
2671 }
2672 }
2673 }
2674
2675 /* backward compatibility behaviour for case "-m 0" */
2676 if (sz == 0) {
2677 sz = default_ram_size;
2678 }
2679
2680 sz = QEMU_ALIGN_UP(sz, 8192);
2681 ram_size = sz;
2682 if (ram_size != sz) {
2683 error_report("ram size too large");
2684 exit(EXIT_FAILURE);
2685 }
2686
2687 /* store value for the future use */
2688 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2689 *maxram_size = ram_size;
2690
2691 maxmem_str = qemu_opt_get(opts, "maxmem");
2692 slots_str = qemu_opt_get(opts, "slots");
2693 if (maxmem_str && slots_str) {
2694 uint64_t slots;
2695
2696 sz = qemu_opt_get_size(opts, "maxmem", 0);
2697 slots = qemu_opt_get_number(opts, "slots", 0);
2698 if (sz < ram_size) {
2699 error_report("invalid value of -m option maxmem: "
2700 "maximum memory size (0x%" PRIx64 ") must be at least "
2701 "the initial memory size (0x" RAM_ADDR_FMT ")",
2702 sz, ram_size);
2703 exit(EXIT_FAILURE);
2704 } else if (sz > ram_size) {
2705 if (!slots) {
2706 error_report("invalid value of -m option: maxmem was "
2707 "specified, but no hotplug slots were specified");
2708 exit(EXIT_FAILURE);
2709 }
2710 } else if (slots) {
2711 error_report("invalid value of -m option maxmem: "
2712 "memory slots were specified but maximum memory size "
2713 "(0x%" PRIx64 ") is equal to the initial memory size "
2714 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2715 exit(EXIT_FAILURE);
2716 }
2717
2718 *maxram_size = sz;
2719 *ram_slots = slots;
2720 } else if ((!maxmem_str && slots_str) ||
2721 (maxmem_str && !slots_str)) {
2722 error_report("invalid -m option value: missing "
2723 "'%s' option", slots_str ? "maxmem" : "slots");
2724 exit(EXIT_FAILURE);
2725 }
2726 }
2727
2728 int main(int argc, char **argv, char **envp)
2729 {
2730 int i;
2731 int snapshot, linux_boot;
2732 const char *initrd_filename;
2733 const char *kernel_filename, *kernel_cmdline;
2734 const char *boot_order = NULL;
2735 const char *boot_once = NULL;
2736 DisplayState *ds;
2737 int cyls, heads, secs, translation;
2738 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2739 QemuOptsList *olist;
2740 int optind;
2741 const char *optarg;
2742 const char *loadvm = NULL;
2743 MachineClass *machine_class;
2744 const char *cpu_model;
2745 const char *vga_model = NULL;
2746 const char *qtest_chrdev = NULL;
2747 const char *qtest_log = NULL;
2748 const char *pid_file = NULL;
2749 const char *incoming = NULL;
2750 #ifdef CONFIG_VNC
2751 int show_vnc_port = 0;
2752 #endif
2753 bool defconfig = true;
2754 bool userconfig = true;
2755 const char *log_mask = NULL;
2756 const char *log_file = NULL;
2757 GMemVTable mem_trace = {
2758 .malloc = malloc_and_trace,
2759 .realloc = realloc_and_trace,
2760 .free = free_and_trace,
2761 };
2762 const char *trace_events = NULL;
2763 const char *trace_file = NULL;
2764 ram_addr_t maxram_size;
2765 uint64_t ram_slots = 0;
2766 FILE *vmstate_dump_file = NULL;
2767 Error *main_loop_err = NULL;
2768
2769 qemu_init_cpu_loop();
2770 qemu_mutex_lock_iothread();
2771
2772 atexit(qemu_run_exit_notifiers);
2773 error_set_progname(argv[0]);
2774 qemu_init_exec_dir(argv[0]);
2775
2776 g_mem_set_vtable(&mem_trace);
2777
2778 module_call_init(MODULE_INIT_QOM);
2779
2780 qemu_add_opts(&qemu_drive_opts);
2781 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2782 qemu_add_drive_opts(&qemu_common_drive_opts);
2783 qemu_add_drive_opts(&qemu_drive_opts);
2784 qemu_add_opts(&qemu_chardev_opts);
2785 qemu_add_opts(&qemu_device_opts);
2786 qemu_add_opts(&qemu_netdev_opts);
2787 qemu_add_opts(&qemu_net_opts);
2788 qemu_add_opts(&qemu_rtc_opts);
2789 qemu_add_opts(&qemu_global_opts);
2790 qemu_add_opts(&qemu_mon_opts);
2791 qemu_add_opts(&qemu_trace_opts);
2792 qemu_add_opts(&qemu_option_rom_opts);
2793 qemu_add_opts(&qemu_machine_opts);
2794 qemu_add_opts(&qemu_mem_opts);
2795 qemu_add_opts(&qemu_smp_opts);
2796 qemu_add_opts(&qemu_boot_opts);
2797 qemu_add_opts(&qemu_sandbox_opts);
2798 qemu_add_opts(&qemu_add_fd_opts);
2799 qemu_add_opts(&qemu_object_opts);
2800 qemu_add_opts(&qemu_tpmdev_opts);
2801 qemu_add_opts(&qemu_realtime_opts);
2802 qemu_add_opts(&qemu_msg_opts);
2803 qemu_add_opts(&qemu_name_opts);
2804 qemu_add_opts(&qemu_numa_opts);
2805 qemu_add_opts(&qemu_icount_opts);
2806 qemu_add_opts(&qemu_semihosting_config_opts);
2807
2808 runstate_init();
2809
2810 rtc_clock = QEMU_CLOCK_HOST;
2811
2812 QLIST_INIT (&vm_change_state_head);
2813 os_setup_early_signal_handling();
2814
2815 module_call_init(MODULE_INIT_MACHINE);
2816 machine_class = find_default_machine();
2817 cpu_model = NULL;
2818 snapshot = 0;
2819 cyls = heads = secs = 0;
2820 translation = BIOS_ATA_TRANSLATION_AUTO;
2821
2822 nb_nics = 0;
2823
2824 bdrv_init_with_whitelist();
2825
2826 autostart = 1;
2827
2828 /* first pass of option parsing */
2829 optind = 1;
2830 while (optind < argc) {
2831 if (argv[optind][0] != '-') {
2832 /* disk image */
2833 optind++;
2834 } else {
2835 const QEMUOption *popt;
2836
2837 popt = lookup_opt(argc, argv, &optarg, &optind);
2838 switch (popt->index) {
2839 case QEMU_OPTION_nodefconfig:
2840 defconfig = false;
2841 break;
2842 case QEMU_OPTION_nouserconfig:
2843 userconfig = false;
2844 break;
2845 }
2846 }
2847 }
2848
2849 if (defconfig) {
2850 int ret;
2851 ret = qemu_read_default_config_files(userconfig);
2852 if (ret < 0) {
2853 exit(1);
2854 }
2855 }
2856
2857 /* second pass of option parsing */
2858 optind = 1;
2859 for(;;) {
2860 if (optind >= argc)
2861 break;
2862 if (argv[optind][0] != '-') {
2863 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2864 } else {
2865 const QEMUOption *popt;
2866
2867 popt = lookup_opt(argc, argv, &optarg, &optind);
2868 if (!(popt->arch_mask & arch_type)) {
2869 printf("Option %s not supported for this target\n", popt->name);
2870 exit(1);
2871 }
2872 switch(popt->index) {
2873 case QEMU_OPTION_no_kvm_irqchip: {
2874 olist = qemu_find_opts("machine");
2875 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2876 break;
2877 }
2878 case QEMU_OPTION_cpu:
2879 /* hw initialization will check this */
2880 cpu_model = optarg;
2881 break;
2882 case QEMU_OPTION_hda:
2883 {
2884 char buf[256];
2885 if (cyls == 0)
2886 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2887 else
2888 snprintf(buf, sizeof(buf),
2889 "%s,cyls=%d,heads=%d,secs=%d%s",
2890 HD_OPTS , cyls, heads, secs,
2891 translation == BIOS_ATA_TRANSLATION_LBA ?
2892 ",trans=lba" :
2893 translation == BIOS_ATA_TRANSLATION_NONE ?
2894 ",trans=none" : "");
2895 drive_add(IF_DEFAULT, 0, optarg, buf);
2896 break;
2897 }
2898 case QEMU_OPTION_hdb:
2899 case QEMU_OPTION_hdc:
2900 case QEMU_OPTION_hdd:
2901 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2902 HD_OPTS);
2903 break;
2904 case QEMU_OPTION_drive:
2905 if (drive_def(optarg) == NULL) {
2906 exit(1);
2907 }
2908 break;
2909 case QEMU_OPTION_set:
2910 if (qemu_set_option(optarg) != 0)
2911 exit(1);
2912 break;
2913 case QEMU_OPTION_global:
2914 if (qemu_global_option(optarg) != 0)
2915 exit(1);
2916 break;
2917 case QEMU_OPTION_mtdblock:
2918 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2919 break;
2920 case QEMU_OPTION_sd:
2921 drive_add(IF_SD, -1, optarg, SD_OPTS);
2922 break;
2923 case QEMU_OPTION_pflash:
2924 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2925 break;
2926 case QEMU_OPTION_snapshot:
2927 snapshot = 1;
2928 break;
2929 case QEMU_OPTION_hdachs:
2930 {
2931 const char *p;
2932 p = optarg;
2933 cyls = strtol(p, (char **)&p, 0);
2934 if (cyls < 1 || cyls > 16383)
2935 goto chs_fail;
2936 if (*p != ',')
2937 goto chs_fail;
2938 p++;
2939 heads = strtol(p, (char **)&p, 0);
2940 if (heads < 1 || heads > 16)
2941 goto chs_fail;
2942 if (*p != ',')
2943 goto chs_fail;
2944 p++;
2945 secs = strtol(p, (char **)&p, 0);
2946 if (secs < 1 || secs > 63)
2947 goto chs_fail;
2948 if (*p == ',') {
2949 p++;
2950 if (!strcmp(p, "large")) {
2951 translation = BIOS_ATA_TRANSLATION_LARGE;
2952 } else if (!strcmp(p, "rechs")) {
2953 translation = BIOS_ATA_TRANSLATION_RECHS;
2954 } else if (!strcmp(p, "none")) {
2955 translation = BIOS_ATA_TRANSLATION_NONE;
2956 } else if (!strcmp(p, "lba")) {
2957 translation = BIOS_ATA_TRANSLATION_LBA;
2958 } else if (!strcmp(p, "auto")) {
2959 translation = BIOS_ATA_TRANSLATION_AUTO;
2960 } else {
2961 goto chs_fail;
2962 }
2963 } else if (*p != '\0') {
2964 chs_fail:
2965 fprintf(stderr, "qemu: invalid physical CHS format\n");
2966 exit(1);
2967 }
2968 if (hda_opts != NULL) {
2969 qemu_opt_set_number(hda_opts, "cyls", cyls,
2970 &error_abort);
2971 qemu_opt_set_number(hda_opts, "heads", heads,
2972 &error_abort);
2973 qemu_opt_set_number(hda_opts, "secs", secs,
2974 &error_abort);
2975 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2976 qemu_opt_set(hda_opts, "trans", "large",
2977 &error_abort);
2978 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2979 qemu_opt_set(hda_opts, "trans", "rechs",
2980 &error_abort);
2981 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2982 qemu_opt_set(hda_opts, "trans", "lba",
2983 &error_abort);
2984 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2985 qemu_opt_set(hda_opts, "trans", "none",
2986 &error_abort);
2987 }
2988 }
2989 }
2990 break;
2991 case QEMU_OPTION_numa:
2992 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2993 if (!opts) {
2994 exit(1);
2995 }
2996 break;
2997 case QEMU_OPTION_display:
2998 display_type = select_display(optarg);
2999 break;
3000 case QEMU_OPTION_nographic:
3001 display_type = DT_NOGRAPHIC;
3002 break;
3003 case QEMU_OPTION_curses:
3004 #ifdef CONFIG_CURSES
3005 display_type = DT_CURSES;
3006 #else
3007 fprintf(stderr, "Curses support is disabled\n");
3008 exit(1);
3009 #endif
3010 break;
3011 case QEMU_OPTION_portrait:
3012 graphic_rotate = 90;
3013 break;
3014 case QEMU_OPTION_rotate:
3015 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3016 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3017 graphic_rotate != 180 && graphic_rotate != 270) {
3018 fprintf(stderr,
3019 "qemu: only 90, 180, 270 deg rotation is available\n");
3020 exit(1);
3021 }
3022 break;
3023 case QEMU_OPTION_kernel:
3024 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3025 &error_abort);
3026 break;
3027 case QEMU_OPTION_initrd:
3028 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3029 &error_abort);
3030 break;
3031 case QEMU_OPTION_append:
3032 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3033 &error_abort);
3034 break;
3035 case QEMU_OPTION_dtb:
3036 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3037 &error_abort);
3038 break;
3039 case QEMU_OPTION_cdrom:
3040 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3041 break;
3042 case QEMU_OPTION_boot:
3043 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3044 if (!opts) {
3045 exit(1);
3046 }
3047 break;
3048 case QEMU_OPTION_fda:
3049 case QEMU_OPTION_fdb:
3050 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3051 optarg, FD_OPTS);
3052 break;
3053 case QEMU_OPTION_no_fd_bootchk:
3054 fd_bootchk = 0;
3055 break;
3056 case QEMU_OPTION_netdev:
3057 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3058 exit(1);
3059 }
3060 break;
3061 case QEMU_OPTION_net:
3062 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3063 exit(1);
3064 }
3065 break;
3066 #ifdef CONFIG_LIBISCSI
3067 case QEMU_OPTION_iscsi:
3068 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3069 if (!opts) {
3070 exit(1);
3071 }
3072 break;
3073 #endif
3074 #ifdef CONFIG_SLIRP
3075 case QEMU_OPTION_tftp:
3076 legacy_tftp_prefix = optarg;
3077 break;
3078 case QEMU_OPTION_bootp:
3079 legacy_bootp_filename = optarg;
3080 break;
3081 case QEMU_OPTION_redir:
3082 if (net_slirp_redir(optarg) < 0)
3083 exit(1);
3084 break;
3085 #endif
3086 case QEMU_OPTION_bt:
3087 add_device_config(DEV_BT, optarg);
3088 break;
3089 case QEMU_OPTION_audio_help:
3090 AUD_help ();
3091 exit (0);
3092 break;
3093 case QEMU_OPTION_soundhw:
3094 select_soundhw (optarg);
3095 break;
3096 case QEMU_OPTION_h:
3097 help(0);
3098 break;
3099 case QEMU_OPTION_version:
3100 version();
3101 exit(0);
3102 break;
3103 case QEMU_OPTION_m:
3104 opts = qemu_opts_parse(qemu_find_opts("memory"),
3105 optarg, 1);
3106 if (!opts) {
3107 exit(EXIT_FAILURE);
3108 }
3109 break;
3110 #ifdef CONFIG_TPM
3111 case QEMU_OPTION_tpmdev:
3112 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3113 exit(1);
3114 }
3115 break;
3116 #endif
3117 case QEMU_OPTION_mempath:
3118 mem_path = optarg;
3119 break;
3120 case QEMU_OPTION_mem_prealloc:
3121 mem_prealloc = 1;
3122 break;
3123 case QEMU_OPTION_d:
3124 log_mask = optarg;
3125 break;
3126 case QEMU_OPTION_D:
3127 log_file = optarg;
3128 break;
3129 case QEMU_OPTION_s:
3130 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3131 break;
3132 case QEMU_OPTION_gdb:
3133 add_device_config(DEV_GDB, optarg);
3134 break;
3135 case QEMU_OPTION_L:
3136 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3137 data_dir[data_dir_idx++] = optarg;
3138 }
3139 break;
3140 case QEMU_OPTION_bios:
3141 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3142 &error_abort);
3143 break;
3144 case QEMU_OPTION_singlestep:
3145 singlestep = 1;
3146 break;
3147 case QEMU_OPTION_S:
3148 autostart = 0;
3149 break;
3150 case QEMU_OPTION_k:
3151 keyboard_layout = optarg;
3152 break;
3153 case QEMU_OPTION_localtime:
3154 rtc_utc = 0;
3155 break;
3156 case QEMU_OPTION_vga:
3157 vga_model = optarg;
3158 default_vga = 0;
3159 break;
3160 case QEMU_OPTION_g:
3161 {
3162 const char *p;
3163 int w, h, depth;
3164 p = optarg;
3165 w = strtol(p, (char **)&p, 10);
3166 if (w <= 0) {
3167 graphic_error:
3168 fprintf(stderr, "qemu: invalid resolution or depth\n");
3169 exit(1);
3170 }
3171 if (*p != 'x')
3172 goto graphic_error;
3173 p++;
3174 h = strtol(p, (char **)&p, 10);
3175 if (h <= 0)
3176 goto graphic_error;
3177 if (*p == 'x') {
3178 p++;
3179 depth = strtol(p, (char **)&p, 10);
3180 if (depth != 8 && depth != 15 && depth != 16 &&
3181 depth != 24 && depth != 32)
3182 goto graphic_error;
3183 } else if (*p == '\0') {
3184 depth = graphic_depth;
3185 } else {
3186 goto graphic_error;
3187 }
3188
3189 graphic_width = w;
3190 graphic_height = h;
3191 graphic_depth = depth;
3192 }
3193 break;
3194 case QEMU_OPTION_echr:
3195 {
3196 char *r;
3197 term_escape_char = strtol(optarg, &r, 0);
3198 if (r == optarg)
3199 printf("Bad argument to echr\n");
3200 break;
3201 }
3202 case QEMU_OPTION_monitor:
3203 default_monitor = 0;
3204 if (strncmp(optarg, "none", 4)) {
3205 monitor_parse(optarg, "readline", false);
3206 }
3207 break;
3208 case QEMU_OPTION_qmp:
3209 monitor_parse(optarg, "control", false);
3210 default_monitor = 0;
3211 break;
3212 case QEMU_OPTION_qmp_pretty:
3213 monitor_parse(optarg, "control", true);
3214 default_monitor = 0;
3215 break;
3216 case QEMU_OPTION_mon:
3217 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 default_monitor = 0;
3222 break;
3223 case QEMU_OPTION_chardev:
3224 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3225 if (!opts) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_fsdev:
3230 olist = qemu_find_opts("fsdev");
3231 if (!olist) {
3232 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3233 exit(1);
3234 }
3235 opts = qemu_opts_parse(olist, optarg, 1);
3236 if (!opts) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_virtfs: {
3241 QemuOpts *fsdev;
3242 QemuOpts *device;
3243 const char *writeout, *sock_fd, *socket;
3244
3245 olist = qemu_find_opts("virtfs");
3246 if (!olist) {
3247 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3248 exit(1);
3249 }
3250 opts = qemu_opts_parse(olist, optarg, 1);
3251 if (!opts) {
3252 exit(1);
3253 }
3254
3255 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3256 qemu_opt_get(opts, "mount_tag") == NULL) {
3257 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3258 exit(1);
3259 }
3260 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3261 qemu_opt_get(opts, "mount_tag"),
3262 1, NULL);
3263 if (!fsdev) {
3264 fprintf(stderr, "duplicate fsdev id: %s\n",
3265 qemu_opt_get(opts, "mount_tag"));
3266 exit(1);
3267 }
3268
3269 writeout = qemu_opt_get(opts, "writeout");
3270 if (writeout) {
3271 #ifdef CONFIG_SYNC_FILE_RANGE
3272 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3273 #else
3274 fprintf(stderr, "writeout=immediate not supported on "
3275 "this platform\n");
3276 exit(1);
3277 #endif
3278 }
3279 qemu_opt_set(fsdev, "fsdriver",
3280 qemu_opt_get(opts, "fsdriver"), &error_abort);
3281 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3282 &error_abort);
3283 qemu_opt_set(fsdev, "security_model",
3284 qemu_opt_get(opts, "security_model"),
3285 &error_abort);
3286 socket = qemu_opt_get(opts, "socket");
3287 if (socket) {
3288 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3289 }
3290 sock_fd = qemu_opt_get(opts, "sock_fd");
3291 if (sock_fd) {
3292 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3293 }
3294
3295 qemu_opt_set_bool(fsdev, "readonly",
3296 qemu_opt_get_bool(opts, "readonly", 0),
3297 &error_abort);
3298 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3299 &error_abort);
3300 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3301 qemu_opt_set(device, "fsdev",
3302 qemu_opt_get(opts, "mount_tag"), &error_abort);
3303 qemu_opt_set(device, "mount_tag",
3304 qemu_opt_get(opts, "mount_tag"), &error_abort);
3305 break;
3306 }
3307 case QEMU_OPTION_virtfs_synth: {
3308 QemuOpts *fsdev;
3309 QemuOpts *device;
3310
3311 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3312 1, NULL);
3313 if (!fsdev) {
3314 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3315 exit(1);
3316 }
3317 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3318
3319 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3320 &error_abort);
3321 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3322 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3323 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3324 break;
3325 }
3326 case QEMU_OPTION_serial:
3327 add_device_config(DEV_SERIAL, optarg);
3328 default_serial = 0;
3329 if (strncmp(optarg, "mon:", 4) == 0) {
3330 default_monitor = 0;
3331 }
3332 break;
3333 case QEMU_OPTION_watchdog:
3334 if (watchdog) {
3335 fprintf(stderr,
3336 "qemu: only one watchdog option may be given\n");
3337 return 1;
3338 }
3339 watchdog = optarg;
3340 break;
3341 case QEMU_OPTION_watchdog_action:
3342 if (select_watchdog_action(optarg) == -1) {
3343 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3344 exit(1);
3345 }
3346 break;
3347 case QEMU_OPTION_virtiocon:
3348 add_device_config(DEV_VIRTCON, optarg);
3349 default_virtcon = 0;
3350 if (strncmp(optarg, "mon:", 4) == 0) {
3351 default_monitor = 0;
3352 }
3353 break;
3354 case QEMU_OPTION_parallel:
3355 add_device_config(DEV_PARALLEL, optarg);
3356 default_parallel = 0;
3357 if (strncmp(optarg, "mon:", 4) == 0) {
3358 default_monitor = 0;
3359 }
3360 break;
3361 case QEMU_OPTION_debugcon:
3362 add_device_config(DEV_DEBUGCON, optarg);
3363 break;
3364 case QEMU_OPTION_loadvm:
3365 loadvm = optarg;
3366 break;
3367 case QEMU_OPTION_full_screen:
3368 full_screen = 1;
3369 break;
3370 case QEMU_OPTION_no_frame:
3371 no_frame = 1;
3372 break;
3373 case QEMU_OPTION_alt_grab:
3374 alt_grab = 1;
3375 break;
3376 case QEMU_OPTION_ctrl_grab:
3377 ctrl_grab = 1;
3378 break;
3379 case QEMU_OPTION_no_quit:
3380 no_quit = 1;
3381 break;
3382 case QEMU_OPTION_sdl:
3383 #ifdef CONFIG_SDL
3384 display_type = DT_SDL;
3385 break;
3386 #else
3387 fprintf(stderr, "SDL support is disabled\n");
3388 exit(1);
3389 #endif
3390 case QEMU_OPTION_pidfile:
3391 pid_file = optarg;
3392 break;
3393 case QEMU_OPTION_win2k_hack:
3394 win2k_install_hack = 1;
3395 break;
3396 case QEMU_OPTION_rtc_td_hack: {
3397 static GlobalProperty slew_lost_ticks[] = {
3398 {
3399 .driver = "mc146818rtc",
3400 .property = "lost_tick_policy",
3401 .value = "slew",
3402 },
3403 { /* end of list */ }
3404 };
3405
3406 qdev_prop_register_global_list(slew_lost_ticks);
3407 break;
3408 }
3409 case QEMU_OPTION_acpitable:
3410 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3411 if (!opts) {
3412 exit(1);
3413 }
3414 do_acpitable_option(opts);
3415 break;
3416 case QEMU_OPTION_smbios:
3417 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3418 if (!opts) {
3419 exit(1);
3420 }
3421 do_smbios_option(opts);
3422 break;
3423 case QEMU_OPTION_enable_kvm:
3424 olist = qemu_find_opts("machine");
3425 qemu_opts_parse(olist, "accel=kvm", 0);
3426 break;
3427 case QEMU_OPTION_M:
3428 case QEMU_OPTION_machine:
3429 olist = qemu_find_opts("machine");
3430 opts = qemu_opts_parse(olist, optarg, 1);
3431 if (!opts) {
3432 exit(1);
3433 }
3434 break;
3435 case QEMU_OPTION_no_kvm:
3436 olist = qemu_find_opts("machine");
3437 qemu_opts_parse(olist, "accel=tcg", 0);
3438 break;
3439 case QEMU_OPTION_no_kvm_pit: {
3440 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3441 "separately.\n");
3442 break;
3443 }
3444 case QEMU_OPTION_no_kvm_pit_reinjection: {
3445 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3446 {
3447 .driver = "kvm-pit",
3448 .property = "lost_tick_policy",
3449 .value = "discard",
3450 },
3451 { /* end of list */ }
3452 };
3453
3454 fprintf(stderr, "Warning: option deprecated, use "
3455 "lost_tick_policy property of kvm-pit instead.\n");
3456 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3457 break;
3458 }
3459 case QEMU_OPTION_usb:
3460 olist = qemu_find_opts("machine");
3461 qemu_opts_parse(olist, "usb=on", 0);
3462 break;
3463 case QEMU_OPTION_usbdevice:
3464 olist = qemu_find_opts("machine");
3465 qemu_opts_parse(olist, "usb=on", 0);
3466 add_device_config(DEV_USB, optarg);
3467 break;
3468 case QEMU_OPTION_device:
3469 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_smp:
3474 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_vnc:
3479 #ifdef CONFIG_VNC
3480 if (vnc_parse_func(optarg) == NULL) {
3481 exit(1);
3482 }
3483 #else
3484 fprintf(stderr, "VNC support is disabled\n");
3485 exit(1);
3486 #endif
3487 break;
3488 case QEMU_OPTION_no_acpi:
3489 acpi_enabled = 0;
3490 break;
3491 case QEMU_OPTION_no_hpet:
3492 no_hpet = 1;
3493 break;
3494 case QEMU_OPTION_balloon:
3495 if (balloon_parse(optarg) < 0) {
3496 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3497 exit(1);
3498 }
3499 break;
3500 case QEMU_OPTION_no_reboot:
3501 no_reboot = 1;
3502 break;
3503 case QEMU_OPTION_no_shutdown:
3504 no_shutdown = 1;
3505 break;
3506 case QEMU_OPTION_show_cursor:
3507 cursor_hide = 0;
3508 break;
3509 case QEMU_OPTION_uuid:
3510 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3511 fprintf(stderr, "Fail to parse UUID string."
3512 " Wrong format.\n");
3513 exit(1);
3514 }
3515 qemu_uuid_set = true;
3516 break;
3517 case QEMU_OPTION_option_rom:
3518 if (nb_option_roms >= MAX_OPTION_ROMS) {
3519 fprintf(stderr, "Too many option ROMs\n");
3520 exit(1);
3521 }
3522 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3523 if (!opts) {
3524 exit(1);
3525 }
3526 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3527 option_rom[nb_option_roms].bootindex =
3528 qemu_opt_get_number(opts, "bootindex", -1);
3529 if (!option_rom[nb_option_roms].name) {
3530 fprintf(stderr, "Option ROM file is not specified\n");
3531 exit(1);
3532 }
3533 nb_option_roms++;
3534 break;
3535 case QEMU_OPTION_semihosting:
3536 semihosting_enabled = 1;
3537 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3538 break;
3539 case QEMU_OPTION_semihosting_config:
3540 semihosting_enabled = 1;
3541 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3542 optarg, 0);
3543 if (opts != NULL) {
3544 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3545 true);
3546 const char *target = qemu_opt_get(opts, "target");
3547 if (target != NULL) {
3548 if (strcmp("native", target) == 0) {
3549 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3550 } else if (strcmp("gdb", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_GDB;
3552 } else if (strcmp("auto", target) == 0) {
3553 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3554 } else {
3555 fprintf(stderr, "Unsupported semihosting-config"
3556 " %s\n",
3557 optarg);
3558 exit(1);
3559 }
3560 } else {
3561 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3562 }
3563 } else {
3564 fprintf(stderr, "Unsupported semihosting-config %s\n",
3565 optarg);
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_tdf:
3570 fprintf(stderr, "Warning: user space PIT time drift fix "
3571 "is no longer supported.\n");
3572 break;
3573 case QEMU_OPTION_name:
3574 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3575 if (!opts) {
3576 exit(1);
3577 }
3578 break;
3579 case QEMU_OPTION_prom_env:
3580 if (nb_prom_envs >= MAX_PROM_ENVS) {
3581 fprintf(stderr, "Too many prom variables\n");
3582 exit(1);
3583 }
3584 prom_envs[nb_prom_envs] = optarg;
3585 nb_prom_envs++;
3586 break;
3587 case QEMU_OPTION_old_param:
3588 old_param = 1;
3589 break;
3590 case QEMU_OPTION_clock:
3591 /* Clock options no longer exist. Keep this option for
3592 * backward compatibility.
3593 */
3594 break;
3595 case QEMU_OPTION_startdate:
3596 configure_rtc_date_offset(optarg, 1);
3597 break;
3598 case QEMU_OPTION_rtc:
3599 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3600 if (!opts) {
3601 exit(1);
3602 }
3603 configure_rtc(opts);
3604 break;
3605 case QEMU_OPTION_tb_size:
3606 tcg_tb_size = strtol(optarg, NULL, 0);
3607 if (tcg_tb_size < 0) {
3608 tcg_tb_size = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_icount:
3612 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3613 optarg, 1);
3614 if (!icount_opts) {
3615 exit(1);
3616 }
3617 break;
3618 case QEMU_OPTION_incoming:
3619 incoming = optarg;
3620 runstate_set(RUN_STATE_INMIGRATE);
3621 break;
3622 case QEMU_OPTION_nodefaults:
3623 has_defaults = 0;
3624 break;
3625 case QEMU_OPTION_xen_domid:
3626 if (!(xen_available())) {
3627 printf("Option %s not supported for this target\n", popt->name);
3628 exit(1);
3629 }
3630 xen_domid = atoi(optarg);
3631 break;
3632 case QEMU_OPTION_xen_create:
3633 if (!(xen_available())) {
3634 printf("Option %s not supported for this target\n", popt->name);
3635 exit(1);
3636 }
3637 xen_mode = XEN_CREATE;
3638 break;
3639 case QEMU_OPTION_xen_attach:
3640 if (!(xen_available())) {
3641 printf("Option %s not supported for this target\n", popt->name);
3642 exit(1);
3643 }
3644 xen_mode = XEN_ATTACH;
3645 break;
3646 case QEMU_OPTION_trace:
3647 {
3648 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3649 if (!opts) {
3650 exit(1);
3651 }
3652 trace_events = qemu_opt_get(opts, "events");
3653 trace_file = qemu_opt_get(opts, "file");
3654 break;
3655 }
3656 case QEMU_OPTION_readconfig:
3657 {
3658 int ret = qemu_read_config_file(optarg);
3659 if (ret < 0) {
3660 fprintf(stderr, "read config %s: %s\n", optarg,
3661 strerror(-ret));
3662 exit(1);
3663 }
3664 break;
3665 }
3666 case QEMU_OPTION_spice:
3667 olist = qemu_find_opts("spice");
3668 if (!olist) {
3669 fprintf(stderr, "spice is not supported by this qemu build.\n");
3670 exit(1);
3671 }
3672 opts = qemu_opts_parse(olist, optarg, 0);
3673 if (!opts) {
3674 exit(1);
3675 }
3676 display_remote++;
3677 break;
3678 case QEMU_OPTION_writeconfig:
3679 {
3680 FILE *fp;
3681 if (strcmp(optarg, "-") == 0) {
3682 fp = stdout;
3683 } else {
3684 fp = fopen(optarg, "w");
3685 if (fp == NULL) {
3686 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3687 exit(1);
3688 }
3689 }
3690 qemu_config_write(fp);
3691 if (fp != stdout) {
3692 fclose(fp);
3693 }
3694 break;
3695 }
3696 case QEMU_OPTION_qtest:
3697 qtest_chrdev = optarg;
3698 break;
3699 case QEMU_OPTION_qtest_log:
3700 qtest_log = optarg;
3701 break;
3702 case QEMU_OPTION_sandbox:
3703 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 break;
3708 case QEMU_OPTION_add_fd:
3709 #ifndef _WIN32
3710 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 #else
3715 error_report("File descriptor passing is disabled on this "
3716 "platform");
3717 exit(1);
3718 #endif
3719 break;
3720 case QEMU_OPTION_object:
3721 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_realtime:
3727 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3728 if (!opts) {
3729 exit(1);
3730 }
3731 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3732 break;
3733 case QEMU_OPTION_msg:
3734 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3735 if (!opts) {
3736 exit(1);
3737 }
3738 configure_msg(opts);
3739 break;
3740 case QEMU_OPTION_dump_vmstate:
3741 if (vmstate_dump_file) {
3742 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3743 "option may be given\n");
3744 exit(1);
3745 }
3746 vmstate_dump_file = fopen(optarg, "w");
3747 if (vmstate_dump_file == NULL) {
3748 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3749 exit(1);
3750 }
3751 break;
3752 default:
3753 os_parse_cmd_args(popt->index, optarg);
3754 }
3755 }
3756 }
3757
3758 opts = qemu_get_machine_opts();
3759 optarg = qemu_opt_get(opts, "type");
3760 if (optarg) {
3761 machine_class = machine_parse(optarg);
3762 }
3763
3764 set_memory_options(&ram_slots, &maxram_size);
3765
3766 loc_set_none();
3767
3768 os_daemonize();
3769
3770 if (qemu_init_main_loop(&main_loop_err)) {
3771 error_report_err(main_loop_err);
3772 exit(1);
3773 }
3774
3775 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3776 exit(1);
3777 }
3778
3779 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3780 exit(1);
3781 }
3782
3783 #ifndef _WIN32
3784 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3785 exit(1);
3786 }
3787
3788 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3789 exit(1);
3790 }
3791 #endif
3792
3793 if (machine_class == NULL) {
3794 fprintf(stderr, "No machine specified, and there is no default.\n"
3795 "Use -machine help to list supported machines!\n");
3796 exit(1);
3797 }
3798
3799 current_machine = MACHINE(object_new(object_class_get_name(
3800 OBJECT_CLASS(machine_class))));
3801 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3802 exit(0);
3803 }
3804 object_property_add_child(object_get_root(), "machine",
3805 OBJECT(current_machine), &error_abort);
3806 cpu_exec_init_all();
3807
3808 if (machine_class->hw_version) {
3809 qemu_set_version(machine_class->hw_version);
3810 }
3811
3812 /* Init CPU def lists, based on config
3813 * - Must be called after all the qemu_read_config_file() calls
3814 * - Must be called before list_cpus()
3815 * - Must be called before machine->init()
3816 */
3817 cpudef_init();
3818
3819 if (cpu_model && is_help_option(cpu_model)) {
3820 list_cpus(stdout, &fprintf, cpu_model);
3821 exit(0);
3822 }
3823
3824 /* Open the logfile at this point, if necessary. We can't open the logfile
3825 * when encountering either of the logging options (-d or -D) because the
3826 * other one may be encountered later on the command line, changing the
3827 * location or level of logging.
3828 */
3829 if (log_mask) {
3830 int mask;
3831 if (log_file) {
3832 qemu_set_log_filename(log_file);
3833 }
3834
3835 mask = qemu_str_to_log_mask(log_mask);
3836 if (!mask) {
3837 qemu_print_log_usage(stdout);
3838 exit(1);
3839 }
3840 qemu_set_log(mask);
3841 }
3842
3843 if (!is_daemonized()) {
3844 if (!trace_init_backends(trace_events, trace_file)) {
3845 exit(1);
3846 }
3847 }
3848
3849 /* If no data_dir is specified then try to find it relative to the
3850 executable path. */
3851 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3852 data_dir[data_dir_idx] = os_find_datadir();
3853 if (data_dir[data_dir_idx] != NULL) {
3854 data_dir_idx++;
3855 }
3856 }
3857 /* If all else fails use the install path specified when building. */
3858 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3859 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3860 }
3861
3862 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3863
3864 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3865 if (max_cpus > machine_class->max_cpus) {
3866 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3867 "supported by machine `%s' (%d)\n", max_cpus,
3868 machine_class->name, machine_class->max_cpus);
3869 exit(1);
3870 }
3871
3872 /*
3873 * Get the default machine options from the machine if it is not already
3874 * specified either by the configuration file or by the command line.
3875 */
3876 if (machine_class->default_machine_opts) {
3877 qemu_opts_set_defaults(qemu_find_opts("machine"),
3878 machine_class->default_machine_opts, 0);
3879 }
3880
3881 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3882 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3883
3884 if (!vga_model && !default_vga) {
3885 vga_interface_type = VGA_DEVICE;
3886 }
3887 if (!has_defaults || machine_class->no_serial) {
3888 default_serial = 0;
3889 }
3890 if (!has_defaults || machine_class->no_parallel) {
3891 default_parallel = 0;
3892 }
3893 if (!has_defaults || !machine_class->use_virtcon) {
3894 default_virtcon = 0;
3895 }
3896 if (!has_defaults || !machine_class->use_sclp) {
3897 default_sclp = 0;
3898 }
3899 if (!has_defaults || machine_class->no_floppy) {
3900 default_floppy = 0;
3901 }
3902 if (!has_defaults || machine_class->no_cdrom) {
3903 default_cdrom = 0;
3904 }
3905 if (!has_defaults || machine_class->no_sdcard) {
3906 default_sdcard = 0;
3907 }
3908 if (!has_defaults) {
3909 default_monitor = 0;
3910 default_net = 0;
3911 default_vga = 0;
3912 }
3913
3914 if (is_daemonized()) {
3915 /* According to documentation and historically, -nographic redirects
3916 * serial port, parallel port and monitor to stdio, which does not work
3917 * with -daemonize. We can redirect these to null instead, but since
3918 * -nographic is legacy, let's just error out.
3919 * We disallow -nographic only if all other ports are not redirected
3920 * explicitly, to not break existing legacy setups which uses
3921 * -nographic _and_ redirects all ports explicitly - this is valid
3922 * usage, -nographic is just a no-op in this case.
3923 */
3924 if (display_type == DT_NOGRAPHIC
3925 && (default_parallel || default_serial
3926 || default_monitor || default_virtcon)) {
3927 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3928 exit(1);
3929 }
3930 #ifdef CONFIG_CURSES
3931 if (display_type == DT_CURSES) {
3932 fprintf(stderr, "curses display can not be used with -daemonize\n");
3933 exit(1);
3934 }
3935 #endif
3936 }
3937
3938 if (display_type == DT_NOGRAPHIC) {
3939 if (default_parallel)
3940 add_device_config(DEV_PARALLEL, "null");
3941 if (default_serial && default_monitor) {
3942 add_device_config(DEV_SERIAL, "mon:stdio");
3943 } else if (default_virtcon && default_monitor) {
3944 add_device_config(DEV_VIRTCON, "mon:stdio");
3945 } else if (default_sclp && default_monitor) {
3946 add_device_config(DEV_SCLP, "mon:stdio");
3947 } else {
3948 if (default_serial)
3949 add_device_config(DEV_SERIAL, "stdio");
3950 if (default_virtcon)
3951 add_device_config(DEV_VIRTCON, "stdio");
3952 if (default_sclp) {
3953 add_device_config(DEV_SCLP, "stdio");
3954 }
3955 if (default_monitor)
3956 monitor_parse("stdio", "readline", false);
3957 }
3958 } else {
3959 if (default_serial)
3960 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3961 if (default_parallel)
3962 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3963 if (default_monitor)
3964 monitor_parse("vc:80Cx24C", "readline", false);
3965 if (default_virtcon)
3966 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3967 if (default_sclp) {
3968 add_device_config(DEV_SCLP, "vc:80Cx24C");
3969 }
3970 }
3971
3972 #if defined(CONFIG_VNC)
3973 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3974 display_remote++;
3975 }
3976 #endif
3977 if (display_type == DT_DEFAULT && !display_remote) {
3978 #if defined(CONFIG_GTK)
3979 display_type = DT_GTK;
3980 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3981 display_type = DT_SDL;
3982 #elif defined(CONFIG_VNC)
3983 vnc_parse_func("localhost:0,to=99,id=default");
3984 show_vnc_port = 1;
3985 #else
3986 display_type = DT_NONE;
3987 #endif
3988 }
3989
3990 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3991 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3992 "for SDL, ignoring option\n");
3993 }
3994 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3995 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3996 "ignoring option\n");
3997 }
3998
3999 #if defined(CONFIG_GTK)
4000 if (display_type == DT_GTK) {
4001 early_gtk_display_init();
4002 }
4003 #endif
4004
4005 socket_init();
4006
4007 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4008 exit(1);
4009 #ifdef CONFIG_VIRTFS
4010 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4011 exit(1);
4012 }
4013 #endif
4014
4015 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4016 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4017 exit(1);
4018 }
4019
4020 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4021 != 0) {
4022 exit(0);
4023 }
4024
4025 if (qemu_opts_foreach(qemu_find_opts("object"),
4026 object_create, NULL, 0) != 0) {
4027 exit(1);
4028 }
4029
4030 machine_opts = qemu_get_machine_opts();
4031 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4032 1) < 0) {
4033 object_unref(OBJECT(current_machine));
4034 exit(1);
4035 }
4036
4037 configure_accelerator(current_machine);
4038
4039 if (qtest_chrdev) {
4040 Error *local_err = NULL;
4041 qtest_init(qtest_chrdev, qtest_log, &local_err);
4042 if (local_err) {
4043 error_report_err(local_err);
4044 exit(1);
4045 }
4046 }
4047
4048 machine_opts = qemu_get_machine_opts();
4049 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4050 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4051 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4052 bios_name = qemu_opt_get(machine_opts, "firmware");
4053
4054 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4055 if (opts) {
4056 Error *local_err = NULL;
4057
4058 boot_order = qemu_opt_get(opts, "order");
4059 if (boot_order) {
4060 validate_bootdevices(boot_order, &local_err);
4061 if (local_err) {
4062 error_report_err(local_err);
4063 exit(1);
4064 }
4065 }
4066
4067 boot_once = qemu_opt_get(opts, "once");
4068 if (boot_once) {
4069 validate_bootdevices(boot_once, &local_err);
4070 if (local_err) {
4071 error_report_err(local_err);
4072 exit(1);
4073 }
4074 }
4075
4076 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4077 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4078 }
4079
4080 if (!boot_order) {
4081 boot_order = machine_class->default_boot_order;
4082 }
4083
4084 if (!kernel_cmdline) {
4085 kernel_cmdline = "";
4086 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4087 }
4088
4089 linux_boot = (kernel_filename != NULL);
4090
4091 if (!linux_boot && *kernel_cmdline != '\0') {
4092 fprintf(stderr, "-append only allowed with -kernel option\n");
4093 exit(1);
4094 }
4095
4096 if (!linux_boot && initrd_filename != NULL) {
4097 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4098 exit(1);
4099 }
4100
4101 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4102 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4103 exit(1);
4104 }
4105
4106 os_set_line_buffering();
4107
4108 #ifdef CONFIG_SPICE
4109 /* spice needs the timers to be initialized by this point */
4110 qemu_spice_init();
4111 #endif
4112
4113 cpu_ticks_init();
4114 if (icount_opts) {
4115 if (kvm_enabled() || xen_enabled()) {
4116 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4117 exit(1);
4118 }
4119 configure_icount(icount_opts, &error_abort);
4120 qemu_opts_del(icount_opts);
4121 }
4122
4123 /* clean up network at qemu process termination */
4124 atexit(&net_cleanup);
4125
4126 if (net_init_clients() < 0) {
4127 exit(1);
4128 }
4129
4130 #ifdef CONFIG_TPM
4131 if (tpm_init() < 0) {
4132 exit(1);
4133 }
4134 #endif
4135
4136 /* init the bluetooth world */
4137 if (foreach_device_config(DEV_BT, bt_parse))
4138 exit(1);
4139
4140 if (!xen_enabled()) {
4141 /* On 32-bit hosts, QEMU is limited by virtual address space */
4142 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4143 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4144 exit(1);
4145 }
4146 }
4147
4148 blk_mig_init();
4149 ram_mig_init();
4150
4151 /* If the currently selected machine wishes to override the units-per-bus
4152 * property of its default HBA interface type, do so now. */
4153 if (machine_class->units_per_default_bus) {
4154 override_max_devs(machine_class->block_default_type,
4155 machine_class->units_per_default_bus);
4156 }
4157
4158 /* open the virtual block devices */
4159 if (snapshot)
4160 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4161 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4162 &machine_class->block_default_type, 1) != 0) {
4163 exit(1);
4164 }
4165
4166 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4167 CDROM_OPTS);
4168 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4169 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4170
4171 parse_numa_opts();
4172
4173 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4174 exit(1);
4175 }
4176
4177 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4178 exit(1);
4179 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4180 exit(1);
4181 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4182 exit(1);
4183 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4184 exit(1);
4185 }
4186 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4187 exit(1);
4188
4189 /* If no default VGA is requested, the default is "none". */
4190 if (default_vga) {
4191 if (machine_class->default_display) {
4192 vga_model = machine_class->default_display;
4193 } else if (cirrus_vga_available()) {
4194 vga_model = "cirrus";
4195 } else if (vga_available()) {
4196 vga_model = "std";
4197 }
4198 }
4199 if (vga_model) {
4200 select_vgahw(vga_model);
4201 }
4202
4203 if (watchdog) {
4204 i = select_watchdog(watchdog);
4205 if (i > 0)
4206 exit (i == 1 ? 1 : 0);
4207 }
4208
4209 if (machine_class->compat_props) {
4210 qdev_prop_register_global_list(machine_class->compat_props);
4211 }
4212 qemu_add_globals();
4213
4214 qdev_machine_init();
4215
4216 current_machine->ram_size = ram_size;
4217 current_machine->maxram_size = maxram_size;
4218 current_machine->ram_slots = ram_slots;
4219 current_machine->boot_order = boot_order;
4220 current_machine->cpu_model = cpu_model;
4221
4222 machine_class->init(current_machine);
4223
4224 realtime_init();
4225
4226 audio_init();
4227
4228 cpu_synchronize_all_post_init();
4229
4230 numa_post_machine_init();
4231
4232 /* init USB devices */
4233 if (usb_enabled()) {
4234 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4235 exit(1);
4236 }
4237
4238 /* init generic devices */
4239 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4240 exit(1);
4241
4242 /* Did we create any drives that we failed to create a device for? */
4243 drive_check_orphaned();
4244
4245 net_check_clients();
4246
4247 if (boot_once) {
4248 Error *local_err = NULL;
4249 qemu_boot_set(boot_once, &local_err);
4250 if (local_err) {
4251 error_report("%s", error_get_pretty(local_err));
4252 exit(1);
4253 }
4254 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4255 }
4256
4257 ds = init_displaystate();
4258
4259 /* init local displays */
4260 switch (display_type) {
4261 case DT_NOGRAPHIC:
4262 (void)ds; /* avoid warning if no display is configured */
4263 break;
4264 #if defined(CONFIG_CURSES)
4265 case DT_CURSES:
4266 curses_display_init(ds, full_screen);
4267 break;
4268 #endif
4269 #if defined(CONFIG_SDL)
4270 case DT_SDL:
4271 sdl_display_init(ds, full_screen, no_frame);
4272 break;
4273 #elif defined(CONFIG_COCOA)
4274 case DT_SDL:
4275 cocoa_display_init(ds, full_screen);
4276 break;
4277 #endif
4278 #if defined(CONFIG_GTK)
4279 case DT_GTK:
4280 gtk_display_init(ds, full_screen, grab_on_hover);
4281 break;
4282 #endif
4283 default:
4284 break;
4285 }
4286
4287 /* must be after terminal init, SDL library changes signal handlers */
4288 os_setup_signal_handling();
4289
4290 #ifdef CONFIG_VNC
4291 /* init remote displays */
4292 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4293 if (show_vnc_port) {
4294 printf("VNC server running on `%s'\n",
4295 vnc_display_local_addr("default"));
4296 }
4297 #endif
4298 #ifdef CONFIG_SPICE
4299 if (using_spice) {
4300 qemu_spice_display_init();
4301 }
4302 #endif
4303
4304 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4305 exit(1);
4306 }
4307
4308 qdev_machine_creation_done();
4309
4310 if (rom_load_all() != 0) {
4311 fprintf(stderr, "rom loading failed\n");
4312 exit(1);
4313 }
4314
4315 /* TODO: once all bus devices are qdevified, this should be done
4316 * when bus is created by qdev.c */
4317 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4318 qemu_run_machine_init_done_notifiers();
4319
4320 /* Done notifiers can load ROMs */
4321 rom_load_done();
4322
4323 qemu_system_reset(VMRESET_SILENT);
4324 if (loadvm) {
4325 if (load_vmstate(loadvm) < 0) {
4326 autostart = 0;
4327 }
4328 }
4329
4330 qdev_prop_check_globals();
4331 if (vmstate_dump_file) {
4332 /* dump and exit */
4333 dump_vmstate_json_to_file(vmstate_dump_file);
4334 return 0;
4335 }
4336
4337 if (incoming) {
4338 Error *local_err = NULL;
4339 qemu_start_incoming_migration(incoming, &local_err);
4340 if (local_err) {
4341 error_report("-incoming %s: %s", incoming,
4342 error_get_pretty(local_err));
4343 error_free(local_err);
4344 exit(1);
4345 }
4346 } else if (autostart) {
4347 vm_start();
4348 }
4349
4350 os_setup_post();
4351
4352 if (is_daemonized()) {
4353 if (!trace_init_backends(trace_events, trace_file)) {
4354 exit(1);
4355 }
4356 }
4357
4358 main_loop();
4359 bdrv_close_all();
4360 pause_all_vcpus();
4361 res_free();
4362 #ifdef CONFIG_TPM
4363 tpm_cleanup();
4364 #endif
4365
4366 return 0;
4367 }
QEmu