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elf-loader: Add missing error handling for call of lseek
[qemu/kevin.git] / vl.c
blob69617d640a321c77e0ed5927aa96b150b3e7269f
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 AddfdInfo *fdinfo;
1016
1017 fd = qemu_opt_get_number(opts, "fd", -1);
1018 fdset_id = qemu_opt_get_number(opts, "set", -1);
1019 fd_opaque = qemu_opt_get(opts, "opaque");
1020
1021 if (fd < 0) {
1022 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1023 "fd option is required and must be non-negative");
1024 return -1;
1025 }
1026
1027 if (fd <= STDERR_FILENO) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "fd cannot be a standard I/O stream");
1030 return -1;
1031 }
1032
1033 /*
1034 * All fds inherited across exec() necessarily have FD_CLOEXEC
1035 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1036 */
1037 flags = fcntl(fd, F_GETFD);
1038 if (flags == -1 || (flags & FD_CLOEXEC)) {
1039 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1040 "fd is not valid or already in use");
1041 return -1;
1042 }
1043
1044 if (fdset_id < 0) {
1045 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1046 "set option is required and must be non-negative");
1047 return -1;
1048 }
1049
1050 #ifdef F_DUPFD_CLOEXEC
1051 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1052 #else
1053 dupfd = dup(fd);
1054 if (dupfd != -1) {
1055 qemu_set_cloexec(dupfd);
1056 }
1057 #endif
1058 if (dupfd == -1) {
1059 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1060 "Error duplicating fd: %s", strerror(errno));
1061 return -1;
1062 }
1063
1064 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1065 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1066 &error_abort);
1067 g_free(fdinfo);
1068
1069 return 0;
1070 }
1071
1072 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1073 {
1074 int fd;
1075
1076 fd = qemu_opt_get_number(opts, "fd", -1);
1077 close(fd);
1078
1079 return 0;
1080 }
1081 #endif
1082
1083 /***********************************************************/
1084 /* QEMU Block devices */
1085
1086 #define HD_OPTS "media=disk"
1087 #define CDROM_OPTS "media=cdrom"
1088 #define FD_OPTS ""
1089 #define PFLASH_OPTS ""
1090 #define MTD_OPTS ""
1091 #define SD_OPTS ""
1092
1093 static int drive_init_func(QemuOpts *opts, void *opaque)
1094 {
1095 BlockInterfaceType *block_default_type = opaque;
1096
1097 return drive_new(opts, *block_default_type) == NULL;
1098 }
1099
1100 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1101 {
1102 if (qemu_opt_get(opts, "snapshot") == NULL) {
1103 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1104 }
1105 return 0;
1106 }
1107
1108 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1109 int index, const char *optstr)
1110 {
1111 QemuOpts *opts;
1112 DriveInfo *dinfo;
1113
1114 if (!enable || drive_get_by_index(type, index)) {
1115 return;
1116 }
1117
1118 opts = drive_add(type, index, NULL, optstr);
1119 if (snapshot) {
1120 drive_enable_snapshot(opts, NULL);
1121 }
1122
1123 dinfo = drive_new(opts, type);
1124 if (!dinfo) {
1125 exit(1);
1126 }
1127 dinfo->is_default = true;
1128
1129 }
1130
1131 static QemuOptsList qemu_smp_opts = {
1132 .name = "smp-opts",
1133 .implied_opt_name = "cpus",
1134 .merge_lists = true,
1135 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1136 .desc = {
1137 {
1138 .name = "cpus",
1139 .type = QEMU_OPT_NUMBER,
1140 }, {
1141 .name = "sockets",
1142 .type = QEMU_OPT_NUMBER,
1143 }, {
1144 .name = "cores",
1145 .type = QEMU_OPT_NUMBER,
1146 }, {
1147 .name = "threads",
1148 .type = QEMU_OPT_NUMBER,
1149 }, {
1150 .name = "maxcpus",
1151 .type = QEMU_OPT_NUMBER,
1152 },
1153 { /*End of list */ }
1154 },
1155 };
1156
1157 static void smp_parse(QemuOpts *opts)
1158 {
1159 if (opts) {
1160
1161 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1162 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1163 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1164 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1165
1166 /* compute missing values, prefer sockets over cores over threads */
1167 if (cpus == 0 || sockets == 0) {
1168 sockets = sockets > 0 ? sockets : 1;
1169 cores = cores > 0 ? cores : 1;
1170 threads = threads > 0 ? threads : 1;
1171 if (cpus == 0) {
1172 cpus = cores * threads * sockets;
1173 }
1174 } else if (cores == 0) {
1175 threads = threads > 0 ? threads : 1;
1176 cores = cpus / (sockets * threads);
1177 } else if (threads == 0) {
1178 threads = cpus / (cores * sockets);
1179 } else if (sockets * cores * threads < cpus) {
1180 fprintf(stderr, "cpu topology: error: "
1181 "sockets (%u) * cores (%u) * threads (%u) < "
1182 "smp_cpus (%u)\n",
1183 sockets, cores, threads, cpus);
1184 exit(1);
1185 }
1186
1187 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1188
1189 smp_cpus = cpus;
1190 smp_cores = cores > 0 ? cores : 1;
1191 smp_threads = threads > 0 ? threads : 1;
1192
1193 }
1194
1195 if (max_cpus == 0) {
1196 max_cpus = smp_cpus;
1197 }
1198
1199 if (max_cpus > MAX_CPUMASK_BITS) {
1200 fprintf(stderr, "Unsupported number of maxcpus\n");
1201 exit(1);
1202 }
1203 if (max_cpus < smp_cpus) {
1204 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1205 exit(1);
1206 }
1207
1208 }
1209
1210 static void realtime_init(void)
1211 {
1212 if (enable_mlock) {
1213 if (os_mlock() < 0) {
1214 fprintf(stderr, "qemu: locking memory failed\n");
1215 exit(1);
1216 }
1217 }
1218 }
1219
1220
1221 static void configure_msg(QemuOpts *opts)
1222 {
1223 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1224 }
1225
1226 /***********************************************************/
1227 /* USB devices */
1228
1229 static int usb_device_add(const char *devname)
1230 {
1231 USBDevice *dev = NULL;
1232 #ifndef CONFIG_LINUX
1233 const char *p;
1234 #endif
1235
1236 if (!usb_enabled()) {
1237 return -1;
1238 }
1239
1240 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1241 dev = usbdevice_create(devname);
1242 if (dev)
1243 goto done;
1244
1245 /* the other ones */
1246 #ifndef CONFIG_LINUX
1247 /* only the linux version is qdev-ified, usb-bsd still needs this */
1248 if (strstart(devname, "host:", &p)) {
1249 dev = usb_host_device_open(usb_bus_find(-1), p);
1250 }
1251 #endif
1252 if (!dev)
1253 return -1;
1254
1255 done:
1256 return 0;
1257 }
1258
1259 static int usb_device_del(const char *devname)
1260 {
1261 int bus_num, addr;
1262 const char *p;
1263
1264 if (strstart(devname, "host:", &p)) {
1265 return -1;
1266 }
1267
1268 if (!usb_enabled()) {
1269 return -1;
1270 }
1271
1272 p = strchr(devname, '.');
1273 if (!p)
1274 return -1;
1275 bus_num = strtoul(devname, NULL, 0);
1276 addr = strtoul(p + 1, NULL, 0);
1277
1278 return usb_device_delete_addr(bus_num, addr);
1279 }
1280
1281 static int usb_parse(const char *cmdline)
1282 {
1283 int r;
1284 r = usb_device_add(cmdline);
1285 if (r < 0) {
1286 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1287 }
1288 return r;
1289 }
1290
1291 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1292 {
1293 const char *devname = qdict_get_str(qdict, "devname");
1294 if (usb_device_add(devname) < 0) {
1295 error_report("could not add USB device '%s'", devname);
1296 }
1297 }
1298
1299 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1300 {
1301 const char *devname = qdict_get_str(qdict, "devname");
1302 if (usb_device_del(devname) < 0) {
1303 error_report("could not delete USB device '%s'", devname);
1304 }
1305 }
1306
1307 /***********************************************************/
1308 /* machine registration */
1309
1310 MachineState *current_machine;
1311
1312 static void machine_class_init(ObjectClass *oc, void *data)
1313 {
1314 MachineClass *mc = MACHINE_CLASS(oc);
1315 QEMUMachine *qm = data;
1316
1317 mc->family = qm->family;
1318 mc->name = qm->name;
1319 mc->alias = qm->alias;
1320 mc->desc = qm->desc;
1321 mc->init = qm->init;
1322 mc->reset = qm->reset;
1323 mc->hot_add_cpu = qm->hot_add_cpu;
1324 mc->kvm_type = qm->kvm_type;
1325 mc->block_default_type = qm->block_default_type;
1326 mc->units_per_default_bus = qm->units_per_default_bus;
1327 mc->max_cpus = qm->max_cpus;
1328 mc->no_serial = qm->no_serial;
1329 mc->no_parallel = qm->no_parallel;
1330 mc->use_virtcon = qm->use_virtcon;
1331 mc->use_sclp = qm->use_sclp;
1332 mc->no_floppy = qm->no_floppy;
1333 mc->no_cdrom = qm->no_cdrom;
1334 mc->no_sdcard = qm->no_sdcard;
1335 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1336 mc->is_default = qm->is_default;
1337 mc->default_machine_opts = qm->default_machine_opts;
1338 mc->default_boot_order = qm->default_boot_order;
1339 mc->default_display = qm->default_display;
1340 mc->compat_props = qm->compat_props;
1341 mc->hw_version = qm->hw_version;
1342 }
1343
1344 int qemu_register_machine(QEMUMachine *m)
1345 {
1346 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1347 TypeInfo ti = {
1348 .name = name,
1349 .parent = TYPE_MACHINE,
1350 .class_init = machine_class_init,
1351 .class_data = (void *)m,
1352 };
1353
1354 type_register(&ti);
1355 g_free(name);
1356
1357 return 0;
1358 }
1359
1360 static MachineClass *find_machine(const char *name)
1361 {
1362 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1363 MachineClass *mc = NULL;
1364
1365 for (el = machines; el; el = el->next) {
1366 MachineClass *temp = el->data;
1367
1368 if (!strcmp(temp->name, name)) {
1369 mc = temp;
1370 break;
1371 }
1372 if (temp->alias &&
1373 !strcmp(temp->alias, name)) {
1374 mc = temp;
1375 break;
1376 }
1377 }
1378
1379 g_slist_free(machines);
1380 return mc;
1381 }
1382
1383 MachineClass *find_default_machine(void)
1384 {
1385 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1386 MachineClass *mc = NULL;
1387
1388 for (el = machines; el; el = el->next) {
1389 MachineClass *temp = el->data;
1390
1391 if (temp->is_default) {
1392 mc = temp;
1393 break;
1394 }
1395 }
1396
1397 g_slist_free(machines);
1398 return mc;
1399 }
1400
1401 MachineInfoList *qmp_query_machines(Error **errp)
1402 {
1403 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1404 MachineInfoList *mach_list = NULL;
1405
1406 for (el = machines; el; el = el->next) {
1407 MachineClass *mc = el->data;
1408 MachineInfoList *entry;
1409 MachineInfo *info;
1410
1411 info = g_malloc0(sizeof(*info));
1412 if (mc->is_default) {
1413 info->has_is_default = true;
1414 info->is_default = true;
1415 }
1416
1417 if (mc->alias) {
1418 info->has_alias = true;
1419 info->alias = g_strdup(mc->alias);
1420 }
1421
1422 info->name = g_strdup(mc->name);
1423 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1424
1425 entry = g_malloc0(sizeof(*entry));
1426 entry->value = info;
1427 entry->next = mach_list;
1428 mach_list = entry;
1429 }
1430
1431 g_slist_free(machines);
1432 return mach_list;
1433 }
1434
1435 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1436 {
1437 ObjectProperty *prop;
1438
1439 if (!qemu_opt_has_help_opt(opts)) {
1440 return 0;
1441 }
1442
1443 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1444 if (!prop->set) {
1445 continue;
1446 }
1447
1448 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1449 prop->name, prop->type);
1450 if (prop->description) {
1451 error_printf(" (%s)\n", prop->description);
1452 } else {
1453 error_printf("\n");
1454 }
1455 }
1456
1457 return 1;
1458 }
1459
1460 /***********************************************************/
1461 /* main execution loop */
1462
1463 struct vm_change_state_entry {
1464 VMChangeStateHandler *cb;
1465 void *opaque;
1466 QLIST_ENTRY (vm_change_state_entry) entries;
1467 };
1468
1469 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1470
1471 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1472 void *opaque)
1473 {
1474 VMChangeStateEntry *e;
1475
1476 e = g_malloc0(sizeof (*e));
1477
1478 e->cb = cb;
1479 e->opaque = opaque;
1480 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1481 return e;
1482 }
1483
1484 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1485 {
1486 QLIST_REMOVE (e, entries);
1487 g_free (e);
1488 }
1489
1490 void vm_state_notify(int running, RunState state)
1491 {
1492 VMChangeStateEntry *e, *next;
1493
1494 trace_vm_state_notify(running, state);
1495
1496 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1497 e->cb(e->opaque, running, state);
1498 }
1499 }
1500
1501 /* reset/shutdown handler */
1502
1503 typedef struct QEMUResetEntry {
1504 QTAILQ_ENTRY(QEMUResetEntry) entry;
1505 QEMUResetHandler *func;
1506 void *opaque;
1507 } QEMUResetEntry;
1508
1509 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1510 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1511 static int reset_requested;
1512 static int shutdown_requested, shutdown_signal = -1;
1513 static pid_t shutdown_pid;
1514 static int powerdown_requested;
1515 static int debug_requested;
1516 static int suspend_requested;
1517 static WakeupReason wakeup_reason;
1518 static NotifierList powerdown_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1520 static NotifierList suspend_notifiers =
1521 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1522 static NotifierList wakeup_notifiers =
1523 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1524 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1525
1526 int qemu_shutdown_requested_get(void)
1527 {
1528 return shutdown_requested;
1529 }
1530
1531 int qemu_reset_requested_get(void)
1532 {
1533 return reset_requested;
1534 }
1535
1536 static int qemu_shutdown_requested(void)
1537 {
1538 return atomic_xchg(&shutdown_requested, 0);
1539 }
1540
1541 static void qemu_kill_report(void)
1542 {
1543 if (!qtest_driver() && shutdown_signal != -1) {
1544 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1545 if (shutdown_pid == 0) {
1546 /* This happens for eg ^C at the terminal, so it's worth
1547 * avoiding printing an odd message in that case.
1548 */
1549 fputc('\n', stderr);
1550 } else {
1551 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1552 }
1553 shutdown_signal = -1;
1554 }
1555 }
1556
1557 static int qemu_reset_requested(void)
1558 {
1559 int r = reset_requested;
1560 reset_requested = 0;
1561 return r;
1562 }
1563
1564 static int qemu_suspend_requested(void)
1565 {
1566 int r = suspend_requested;
1567 suspend_requested = 0;
1568 return r;
1569 }
1570
1571 static WakeupReason qemu_wakeup_requested(void)
1572 {
1573 return wakeup_reason;
1574 }
1575
1576 static int qemu_powerdown_requested(void)
1577 {
1578 int r = powerdown_requested;
1579 powerdown_requested = 0;
1580 return r;
1581 }
1582
1583 static int qemu_debug_requested(void)
1584 {
1585 int r = debug_requested;
1586 debug_requested = 0;
1587 return r;
1588 }
1589
1590 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1591 {
1592 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1593
1594 re->func = func;
1595 re->opaque = opaque;
1596 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1597 }
1598
1599 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1600 {
1601 QEMUResetEntry *re;
1602
1603 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1604 if (re->func == func && re->opaque == opaque) {
1605 QTAILQ_REMOVE(&reset_handlers, re, entry);
1606 g_free(re);
1607 return;
1608 }
1609 }
1610 }
1611
1612 void qemu_devices_reset(void)
1613 {
1614 QEMUResetEntry *re, *nre;
1615
1616 /* reset all devices */
1617 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1618 re->func(re->opaque);
1619 }
1620 }
1621
1622 void qemu_system_reset(bool report)
1623 {
1624 MachineClass *mc;
1625
1626 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1627
1628 if (mc && mc->reset) {
1629 mc->reset();
1630 } else {
1631 qemu_devices_reset();
1632 }
1633 if (report) {
1634 qapi_event_send_reset(&error_abort);
1635 }
1636 cpu_synchronize_all_post_reset();
1637 }
1638
1639 void qemu_system_reset_request(void)
1640 {
1641 if (no_reboot) {
1642 shutdown_requested = 1;
1643 } else {
1644 reset_requested = 1;
1645 }
1646 cpu_stop_current();
1647 qemu_notify_event();
1648 }
1649
1650 static void qemu_system_suspend(void)
1651 {
1652 pause_all_vcpus();
1653 notifier_list_notify(&suspend_notifiers, NULL);
1654 runstate_set(RUN_STATE_SUSPENDED);
1655 qapi_event_send_suspend(&error_abort);
1656 }
1657
1658 void qemu_system_suspend_request(void)
1659 {
1660 if (runstate_check(RUN_STATE_SUSPENDED)) {
1661 return;
1662 }
1663 suspend_requested = 1;
1664 cpu_stop_current();
1665 qemu_notify_event();
1666 }
1667
1668 void qemu_register_suspend_notifier(Notifier *notifier)
1669 {
1670 notifier_list_add(&suspend_notifiers, notifier);
1671 }
1672
1673 void qemu_system_wakeup_request(WakeupReason reason)
1674 {
1675 trace_system_wakeup_request(reason);
1676
1677 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1678 return;
1679 }
1680 if (!(wakeup_reason_mask & (1 << reason))) {
1681 return;
1682 }
1683 runstate_set(RUN_STATE_RUNNING);
1684 wakeup_reason = reason;
1685 qemu_notify_event();
1686 }
1687
1688 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1689 {
1690 if (enabled) {
1691 wakeup_reason_mask |= (1 << reason);
1692 } else {
1693 wakeup_reason_mask &= ~(1 << reason);
1694 }
1695 }
1696
1697 void qemu_register_wakeup_notifier(Notifier *notifier)
1698 {
1699 notifier_list_add(&wakeup_notifiers, notifier);
1700 }
1701
1702 void qemu_system_killed(int signal, pid_t pid)
1703 {
1704 shutdown_signal = signal;
1705 shutdown_pid = pid;
1706 no_shutdown = 0;
1707 qemu_system_shutdown_request();
1708 }
1709
1710 void qemu_system_shutdown_request(void)
1711 {
1712 trace_qemu_system_shutdown_request();
1713 shutdown_requested = 1;
1714 qemu_notify_event();
1715 }
1716
1717 static void qemu_system_powerdown(void)
1718 {
1719 qapi_event_send_powerdown(&error_abort);
1720 notifier_list_notify(&powerdown_notifiers, NULL);
1721 }
1722
1723 void qemu_system_powerdown_request(void)
1724 {
1725 trace_qemu_system_powerdown_request();
1726 powerdown_requested = 1;
1727 qemu_notify_event();
1728 }
1729
1730 void qemu_register_powerdown_notifier(Notifier *notifier)
1731 {
1732 notifier_list_add(&powerdown_notifiers, notifier);
1733 }
1734
1735 void qemu_system_debug_request(void)
1736 {
1737 debug_requested = 1;
1738 qemu_notify_event();
1739 }
1740
1741 static bool main_loop_should_exit(void)
1742 {
1743 RunState r;
1744 if (qemu_debug_requested()) {
1745 vm_stop(RUN_STATE_DEBUG);
1746 }
1747 if (qemu_suspend_requested()) {
1748 qemu_system_suspend();
1749 }
1750 if (qemu_shutdown_requested()) {
1751 qemu_kill_report();
1752 qapi_event_send_shutdown(&error_abort);
1753 if (no_shutdown) {
1754 vm_stop(RUN_STATE_SHUTDOWN);
1755 } else {
1756 return true;
1757 }
1758 }
1759 if (qemu_reset_requested()) {
1760 pause_all_vcpus();
1761 cpu_synchronize_all_states();
1762 qemu_system_reset(VMRESET_REPORT);
1763 resume_all_vcpus();
1764 if (runstate_needs_reset()) {
1765 runstate_set(RUN_STATE_PAUSED);
1766 }
1767 }
1768 if (qemu_wakeup_requested()) {
1769 pause_all_vcpus();
1770 cpu_synchronize_all_states();
1771 qemu_system_reset(VMRESET_SILENT);
1772 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1773 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1774 resume_all_vcpus();
1775 qapi_event_send_wakeup(&error_abort);
1776 }
1777 if (qemu_powerdown_requested()) {
1778 qemu_system_powerdown();
1779 }
1780 if (qemu_vmstop_requested(&r)) {
1781 vm_stop(r);
1782 }
1783 return false;
1784 }
1785
1786 static void main_loop(void)
1787 {
1788 bool nonblocking;
1789 int last_io = 0;
1790 #ifdef CONFIG_PROFILER
1791 int64_t ti;
1792 #endif
1793 do {
1794 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1795 #ifdef CONFIG_PROFILER
1796 ti = profile_getclock();
1797 #endif
1798 last_io = main_loop_wait(nonblocking);
1799 #ifdef CONFIG_PROFILER
1800 dev_time += profile_getclock() - ti;
1801 #endif
1802 } while (!main_loop_should_exit());
1803 }
1804
1805 static void version(void)
1806 {
1807 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1808 }
1809
1810 static void help(int exitcode)
1811 {
1812 version();
1813 printf("usage: %s [options] [disk_image]\n\n"
1814 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1815 error_get_progname());
1816
1817 #define QEMU_OPTIONS_GENERATE_HELP
1818 #include "qemu-options-wrapper.h"
1819
1820 printf("\nDuring emulation, the following keys are useful:\n"
1821 "ctrl-alt-f toggle full screen\n"
1822 "ctrl-alt-n switch to virtual console 'n'\n"
1823 "ctrl-alt toggle mouse and keyboard grab\n"
1824 "\n"
1825 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1826
1827 exit(exitcode);
1828 }
1829
1830 #define HAS_ARG 0x0001
1831
1832 typedef struct QEMUOption {
1833 const char *name;
1834 int flags;
1835 int index;
1836 uint32_t arch_mask;
1837 } QEMUOption;
1838
1839 static const QEMUOption qemu_options[] = {
1840 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1841 #define QEMU_OPTIONS_GENERATE_OPTIONS
1842 #include "qemu-options-wrapper.h"
1843 { NULL },
1844 };
1845
1846 static bool vga_available(void)
1847 {
1848 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1849 }
1850
1851 static bool cirrus_vga_available(void)
1852 {
1853 return object_class_by_name("cirrus-vga")
1854 || object_class_by_name("isa-cirrus-vga");
1855 }
1856
1857 static bool vmware_vga_available(void)
1858 {
1859 return object_class_by_name("vmware-svga");
1860 }
1861
1862 static bool qxl_vga_available(void)
1863 {
1864 return object_class_by_name("qxl-vga");
1865 }
1866
1867 static bool tcx_vga_available(void)
1868 {
1869 return object_class_by_name("SUNW,tcx");
1870 }
1871
1872 static bool cg3_vga_available(void)
1873 {
1874 return object_class_by_name("cgthree");
1875 }
1876
1877 static void select_vgahw (const char *p)
1878 {
1879 const char *opts;
1880
1881 assert(vga_interface_type == VGA_NONE);
1882 if (strstart(p, "std", &opts)) {
1883 if (vga_available()) {
1884 vga_interface_type = VGA_STD;
1885 } else {
1886 fprintf(stderr, "Error: standard VGA not available\n");
1887 exit(0);
1888 }
1889 } else if (strstart(p, "cirrus", &opts)) {
1890 if (cirrus_vga_available()) {
1891 vga_interface_type = VGA_CIRRUS;
1892 } else {
1893 fprintf(stderr, "Error: Cirrus VGA not available\n");
1894 exit(0);
1895 }
1896 } else if (strstart(p, "vmware", &opts)) {
1897 if (vmware_vga_available()) {
1898 vga_interface_type = VGA_VMWARE;
1899 } else {
1900 fprintf(stderr, "Error: VMWare SVGA not available\n");
1901 exit(0);
1902 }
1903 } else if (strstart(p, "xenfb", &opts)) {
1904 vga_interface_type = VGA_XENFB;
1905 } else if (strstart(p, "qxl", &opts)) {
1906 if (qxl_vga_available()) {
1907 vga_interface_type = VGA_QXL;
1908 } else {
1909 fprintf(stderr, "Error: QXL VGA not available\n");
1910 exit(0);
1911 }
1912 } else if (strstart(p, "tcx", &opts)) {
1913 if (tcx_vga_available()) {
1914 vga_interface_type = VGA_TCX;
1915 } else {
1916 fprintf(stderr, "Error: TCX framebuffer not available\n");
1917 exit(0);
1918 }
1919 } else if (strstart(p, "cg3", &opts)) {
1920 if (cg3_vga_available()) {
1921 vga_interface_type = VGA_CG3;
1922 } else {
1923 fprintf(stderr, "Error: CG3 framebuffer not available\n");
1924 exit(0);
1925 }
1926 } else if (!strstart(p, "none", &opts)) {
1927 invalid_vga:
1928 fprintf(stderr, "Unknown vga type: %s\n", p);
1929 exit(1);
1930 }
1931 while (*opts) {
1932 const char *nextopt;
1933
1934 if (strstart(opts, ",retrace=", &nextopt)) {
1935 opts = nextopt;
1936 if (strstart(opts, "dumb", &nextopt))
1937 vga_retrace_method = VGA_RETRACE_DUMB;
1938 else if (strstart(opts, "precise", &nextopt))
1939 vga_retrace_method = VGA_RETRACE_PRECISE;
1940 else goto invalid_vga;
1941 } else goto invalid_vga;
1942 opts = nextopt;
1943 }
1944 }
1945
1946 static DisplayType select_display(const char *p)
1947 {
1948 const char *opts;
1949 DisplayType display = DT_DEFAULT;
1950
1951 if (strstart(p, "sdl", &opts)) {
1952 #ifdef CONFIG_SDL
1953 display = DT_SDL;
1954 while (*opts) {
1955 const char *nextopt;
1956
1957 if (strstart(opts, ",frame=", &nextopt)) {
1958 opts = nextopt;
1959 if (strstart(opts, "on", &nextopt)) {
1960 no_frame = 0;
1961 } else if (strstart(opts, "off", &nextopt)) {
1962 no_frame = 1;
1963 } else {
1964 goto invalid_sdl_args;
1965 }
1966 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1967 opts = nextopt;
1968 if (strstart(opts, "on", &nextopt)) {
1969 alt_grab = 1;
1970 } else if (strstart(opts, "off", &nextopt)) {
1971 alt_grab = 0;
1972 } else {
1973 goto invalid_sdl_args;
1974 }
1975 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1976 opts = nextopt;
1977 if (strstart(opts, "on", &nextopt)) {
1978 ctrl_grab = 1;
1979 } else if (strstart(opts, "off", &nextopt)) {
1980 ctrl_grab = 0;
1981 } else {
1982 goto invalid_sdl_args;
1983 }
1984 } else if (strstart(opts, ",window_close=", &nextopt)) {
1985 opts = nextopt;
1986 if (strstart(opts, "on", &nextopt)) {
1987 no_quit = 0;
1988 } else if (strstart(opts, "off", &nextopt)) {
1989 no_quit = 1;
1990 } else {
1991 goto invalid_sdl_args;
1992 }
1993 } else {
1994 invalid_sdl_args:
1995 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1996 exit(1);
1997 }
1998 opts = nextopt;
1999 }
2000 #else
2001 fprintf(stderr, "SDL support is disabled\n");
2002 exit(1);
2003 #endif
2004 } else if (strstart(p, "vnc", &opts)) {
2005 #ifdef CONFIG_VNC
2006 if (*opts == '=') {
2007 if (vnc_parse_func(opts+1) == NULL) {
2008 exit(1);
2009 }
2010 } else {
2011 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2012 exit(1);
2013 }
2014 #else
2015 fprintf(stderr, "VNC support is disabled\n");
2016 exit(1);
2017 #endif
2018 } else if (strstart(p, "curses", &opts)) {
2019 #ifdef CONFIG_CURSES
2020 display = DT_CURSES;
2021 #else
2022 fprintf(stderr, "Curses support is disabled\n");
2023 exit(1);
2024 #endif
2025 } else if (strstart(p, "gtk", &opts)) {
2026 #ifdef CONFIG_GTK
2027 display = DT_GTK;
2028 while (*opts) {
2029 const char *nextopt;
2030
2031 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2032 opts = nextopt;
2033 if (strstart(opts, "on", &nextopt)) {
2034 grab_on_hover = true;
2035 } else if (strstart(opts, "off", &nextopt)) {
2036 grab_on_hover = false;
2037 } else {
2038 goto invalid_gtk_args;
2039 }
2040 } else {
2041 invalid_gtk_args:
2042 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2043 exit(1);
2044 }
2045 opts = nextopt;
2046 }
2047 #else
2048 fprintf(stderr, "GTK support is disabled\n");
2049 exit(1);
2050 #endif
2051 } else if (strstart(p, "none", &opts)) {
2052 display = DT_NONE;
2053 } else {
2054 fprintf(stderr, "Unknown display type: %s\n", p);
2055 exit(1);
2056 }
2057
2058 return display;
2059 }
2060
2061 static int balloon_parse(const char *arg)
2062 {
2063 QemuOpts *opts;
2064
2065 if (strcmp(arg, "none") == 0) {
2066 return 0;
2067 }
2068
2069 if (!strncmp(arg, "virtio", 6)) {
2070 if (arg[6] == ',') {
2071 /* have params -> parse them */
2072 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2073 if (!opts)
2074 return -1;
2075 } else {
2076 /* create empty opts */
2077 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2078 &error_abort);
2079 }
2080 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2081 return 0;
2082 }
2083
2084 return -1;
2085 }
2086
2087 char *qemu_find_file(int type, const char *name)
2088 {
2089 int i;
2090 const char *subdir;
2091 char *buf;
2092
2093 /* Try the name as a straight path first */
2094 if (access(name, R_OK) == 0) {
2095 trace_load_file(name, name);
2096 return g_strdup(name);
2097 }
2098
2099 switch (type) {
2100 case QEMU_FILE_TYPE_BIOS:
2101 subdir = "";
2102 break;
2103 case QEMU_FILE_TYPE_KEYMAP:
2104 subdir = "keymaps/";
2105 break;
2106 default:
2107 abort();
2108 }
2109
2110 for (i = 0; i < data_dir_idx; i++) {
2111 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2112 if (access(buf, R_OK) == 0) {
2113 trace_load_file(name, buf);
2114 return buf;
2115 }
2116 g_free(buf);
2117 }
2118 return NULL;
2119 }
2120
2121 static int device_help_func(QemuOpts *opts, void *opaque)
2122 {
2123 return qdev_device_help(opts);
2124 }
2125
2126 static int device_init_func(QemuOpts *opts, void *opaque)
2127 {
2128 DeviceState *dev;
2129
2130 dev = qdev_device_add(opts);
2131 if (!dev)
2132 return -1;
2133 object_unref(OBJECT(dev));
2134 return 0;
2135 }
2136
2137 static int chardev_init_func(QemuOpts *opts, void *opaque)
2138 {
2139 Error *local_err = NULL;
2140
2141 qemu_chr_new_from_opts(opts, NULL, &local_err);
2142 if (local_err) {
2143 error_report_err(local_err);
2144 return -1;
2145 }
2146 return 0;
2147 }
2148
2149 #ifdef CONFIG_VIRTFS
2150 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2151 {
2152 int ret;
2153 ret = qemu_fsdev_add(opts);
2154
2155 return ret;
2156 }
2157 #endif
2158
2159 static int mon_init_func(QemuOpts *opts, void *opaque)
2160 {
2161 CharDriverState *chr;
2162 const char *chardev;
2163 const char *mode;
2164 int flags;
2165
2166 mode = qemu_opt_get(opts, "mode");
2167 if (mode == NULL) {
2168 mode = "readline";
2169 }
2170 if (strcmp(mode, "readline") == 0) {
2171 flags = MONITOR_USE_READLINE;
2172 } else if (strcmp(mode, "control") == 0) {
2173 flags = MONITOR_USE_CONTROL;
2174 } else {
2175 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2176 exit(1);
2177 }
2178
2179 if (qemu_opt_get_bool(opts, "pretty", 0))
2180 flags |= MONITOR_USE_PRETTY;
2181
2182 if (qemu_opt_get_bool(opts, "default", 0))
2183 flags |= MONITOR_IS_DEFAULT;
2184
2185 chardev = qemu_opt_get(opts, "chardev");
2186 chr = qemu_chr_find(chardev);
2187 if (chr == NULL) {
2188 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2189 exit(1);
2190 }
2191
2192 qemu_chr_fe_claim_no_fail(chr);
2193 monitor_init(chr, flags);
2194 return 0;
2195 }
2196
2197 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2198 {
2199 static int monitor_device_index = 0;
2200 Error *local_err = NULL;
2201 QemuOpts *opts;
2202 const char *p;
2203 char label[32];
2204 int def = 0;
2205
2206 if (strstart(optarg, "chardev:", &p)) {
2207 snprintf(label, sizeof(label), "%s", p);
2208 } else {
2209 snprintf(label, sizeof(label), "compat_monitor%d",
2210 monitor_device_index);
2211 if (monitor_device_index == 0) {
2212 def = 1;
2213 }
2214 opts = qemu_chr_parse_compat(label, optarg);
2215 if (!opts) {
2216 fprintf(stderr, "parse error: %s\n", optarg);
2217 exit(1);
2218 }
2219 }
2220
2221 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2222 if (!opts) {
2223 error_report_err(local_err);
2224 exit(1);
2225 }
2226 qemu_opt_set(opts, "mode", mode, &error_abort);
2227 qemu_opt_set(opts, "chardev", label, &error_abort);
2228 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2229 if (def)
2230 qemu_opt_set(opts, "default", "on", &error_abort);
2231 monitor_device_index++;
2232 }
2233
2234 struct device_config {
2235 enum {
2236 DEV_USB, /* -usbdevice */
2237 DEV_BT, /* -bt */
2238 DEV_SERIAL, /* -serial */
2239 DEV_PARALLEL, /* -parallel */
2240 DEV_VIRTCON, /* -virtioconsole */
2241 DEV_DEBUGCON, /* -debugcon */
2242 DEV_GDB, /* -gdb, -s */
2243 DEV_SCLP, /* s390 sclp */
2244 } type;
2245 const char *cmdline;
2246 Location loc;
2247 QTAILQ_ENTRY(device_config) next;
2248 };
2249
2250 static QTAILQ_HEAD(, device_config) device_configs =
2251 QTAILQ_HEAD_INITIALIZER(device_configs);
2252
2253 static void add_device_config(int type, const char *cmdline)
2254 {
2255 struct device_config *conf;
2256
2257 conf = g_malloc0(sizeof(*conf));
2258 conf->type = type;
2259 conf->cmdline = cmdline;
2260 loc_save(&conf->loc);
2261 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2262 }
2263
2264 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2265 {
2266 struct device_config *conf;
2267 int rc;
2268
2269 QTAILQ_FOREACH(conf, &device_configs, next) {
2270 if (conf->type != type)
2271 continue;
2272 loc_push_restore(&conf->loc);
2273 rc = func(conf->cmdline);
2274 loc_pop(&conf->loc);
2275 if (rc) {
2276 return rc;
2277 }
2278 }
2279 return 0;
2280 }
2281
2282 static int serial_parse(const char *devname)
2283 {
2284 static int index = 0;
2285 char label[32];
2286
2287 if (strcmp(devname, "none") == 0)
2288 return 0;
2289 if (index == MAX_SERIAL_PORTS) {
2290 fprintf(stderr, "qemu: too many serial ports\n");
2291 exit(1);
2292 }
2293 snprintf(label, sizeof(label), "serial%d", index);
2294 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2295 if (!serial_hds[index]) {
2296 fprintf(stderr, "qemu: could not connect serial device"
2297 " to character backend '%s'\n", devname);
2298 return -1;
2299 }
2300 index++;
2301 return 0;
2302 }
2303
2304 static int parallel_parse(const char *devname)
2305 {
2306 static int index = 0;
2307 char label[32];
2308
2309 if (strcmp(devname, "none") == 0)
2310 return 0;
2311 if (index == MAX_PARALLEL_PORTS) {
2312 fprintf(stderr, "qemu: too many parallel ports\n");
2313 exit(1);
2314 }
2315 snprintf(label, sizeof(label), "parallel%d", index);
2316 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2317 if (!parallel_hds[index]) {
2318 fprintf(stderr, "qemu: could not connect parallel device"
2319 " to character backend '%s'\n", devname);
2320 return -1;
2321 }
2322 index++;
2323 return 0;
2324 }
2325
2326 static int virtcon_parse(const char *devname)
2327 {
2328 QemuOptsList *device = qemu_find_opts("device");
2329 static int index = 0;
2330 char label[32];
2331 QemuOpts *bus_opts, *dev_opts;
2332
2333 if (strcmp(devname, "none") == 0)
2334 return 0;
2335 if (index == MAX_VIRTIO_CONSOLES) {
2336 fprintf(stderr, "qemu: too many virtio consoles\n");
2337 exit(1);
2338 }
2339
2340 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2341 if (arch_type == QEMU_ARCH_S390X) {
2342 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2343 } else {
2344 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2345 }
2346
2347 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2348 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2349
2350 snprintf(label, sizeof(label), "virtcon%d", index);
2351 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2352 if (!virtcon_hds[index]) {
2353 fprintf(stderr, "qemu: could not connect virtio console"
2354 " to character backend '%s'\n", devname);
2355 return -1;
2356 }
2357 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2358
2359 index++;
2360 return 0;
2361 }
2362
2363 static int sclp_parse(const char *devname)
2364 {
2365 QemuOptsList *device = qemu_find_opts("device");
2366 static int index = 0;
2367 char label[32];
2368 QemuOpts *dev_opts;
2369
2370 if (strcmp(devname, "none") == 0) {
2371 return 0;
2372 }
2373 if (index == MAX_SCLP_CONSOLES) {
2374 fprintf(stderr, "qemu: too many sclp consoles\n");
2375 exit(1);
2376 }
2377
2378 assert(arch_type == QEMU_ARCH_S390X);
2379
2380 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2381 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2382
2383 snprintf(label, sizeof(label), "sclpcon%d", index);
2384 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2385 if (!sclp_hds[index]) {
2386 fprintf(stderr, "qemu: could not connect sclp console"
2387 " to character backend '%s'\n", devname);
2388 return -1;
2389 }
2390 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2391
2392 index++;
2393 return 0;
2394 }
2395
2396 static int debugcon_parse(const char *devname)
2397 {
2398 QemuOpts *opts;
2399
2400 if (!qemu_chr_new("debugcon", devname, NULL)) {
2401 exit(1);
2402 }
2403 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2404 if (!opts) {
2405 fprintf(stderr, "qemu: already have a debugcon device\n");
2406 exit(1);
2407 }
2408 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2409 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2410 return 0;
2411 }
2412
2413 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2414 {
2415 const MachineClass *mc1 = a, *mc2 = b;
2416 int res;
2417
2418 if (mc1->family == NULL) {
2419 if (mc2->family == NULL) {
2420 /* Compare standalone machine types against each other; they sort
2421 * in increasing order.
2422 */
2423 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2424 object_class_get_name(OBJECT_CLASS(mc2)));
2425 }
2426
2427 /* Standalone machine types sort after families. */
2428 return 1;
2429 }
2430
2431 if (mc2->family == NULL) {
2432 /* Families sort before standalone machine types. */
2433 return -1;
2434 }
2435
2436 /* Families sort between each other alphabetically increasingly. */
2437 res = strcmp(mc1->family, mc2->family);
2438 if (res != 0) {
2439 return res;
2440 }
2441
2442 /* Within the same family, machine types sort in decreasing order. */
2443 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2444 object_class_get_name(OBJECT_CLASS(mc1)));
2445 }
2446
2447 static MachineClass *machine_parse(const char *name)
2448 {
2449 MachineClass *mc = NULL;
2450 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2451
2452 if (name) {
2453 mc = find_machine(name);
2454 }
2455 if (mc) {
2456 g_slist_free(machines);
2457 return mc;
2458 }
2459 if (name && !is_help_option(name)) {
2460 error_report("Unsupported machine type");
2461 error_printf("Use -machine help to list supported machines!\n");
2462 } else {
2463 printf("Supported machines are:\n");
2464 machines = g_slist_sort(machines, machine_class_cmp);
2465 for (el = machines; el; el = el->next) {
2466 MachineClass *mc = el->data;
2467 if (mc->alias) {
2468 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2469 }
2470 printf("%-20s %s%s\n", mc->name, mc->desc,
2471 mc->is_default ? " (default)" : "");
2472 }
2473 }
2474
2475 g_slist_free(machines);
2476 exit(!name || !is_help_option(name));
2477 }
2478
2479 void qemu_add_exit_notifier(Notifier *notify)
2480 {
2481 notifier_list_add(&exit_notifiers, notify);
2482 }
2483
2484 void qemu_remove_exit_notifier(Notifier *notify)
2485 {
2486 notifier_remove(notify);
2487 }
2488
2489 static void qemu_run_exit_notifiers(void)
2490 {
2491 notifier_list_notify(&exit_notifiers, NULL);
2492 }
2493
2494 void qemu_add_machine_init_done_notifier(Notifier *notify)
2495 {
2496 notifier_list_add(&machine_init_done_notifiers, notify);
2497 }
2498
2499 static void qemu_run_machine_init_done_notifiers(void)
2500 {
2501 notifier_list_notify(&machine_init_done_notifiers, NULL);
2502 }
2503
2504 static const QEMUOption *lookup_opt(int argc, char **argv,
2505 const char **poptarg, int *poptind)
2506 {
2507 const QEMUOption *popt;
2508 int optind = *poptind;
2509 char *r = argv[optind];
2510 const char *optarg;
2511
2512 loc_set_cmdline(argv, optind, 1);
2513 optind++;
2514 /* Treat --foo the same as -foo. */
2515 if (r[1] == '-')
2516 r++;
2517 popt = qemu_options;
2518 for(;;) {
2519 if (!popt->name) {
2520 error_report("invalid option");
2521 exit(1);
2522 }
2523 if (!strcmp(popt->name, r + 1))
2524 break;
2525 popt++;
2526 }
2527 if (popt->flags & HAS_ARG) {
2528 if (optind >= argc) {
2529 error_report("requires an argument");
2530 exit(1);
2531 }
2532 optarg = argv[optind++];
2533 loc_set_cmdline(argv, optind - 2, 2);
2534 } else {
2535 optarg = NULL;
2536 }
2537
2538 *poptarg = optarg;
2539 *poptind = optind;
2540
2541 return popt;
2542 }
2543
2544 static gpointer malloc_and_trace(gsize n_bytes)
2545 {
2546 void *ptr = malloc(n_bytes);
2547 trace_g_malloc(n_bytes, ptr);
2548 return ptr;
2549 }
2550
2551 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2552 {
2553 void *ptr = realloc(mem, n_bytes);
2554 trace_g_realloc(mem, n_bytes, ptr);
2555 return ptr;
2556 }
2557
2558 static void free_and_trace(gpointer mem)
2559 {
2560 trace_g_free(mem);
2561 free(mem);
2562 }
2563
2564 static int machine_set_property(const char *name, const char *value,
2565 void *opaque)
2566 {
2567 Object *obj = OBJECT(opaque);
2568 Error *local_err = NULL;
2569 char *c, *qom_name;
2570
2571 if (strcmp(name, "type") == 0) {
2572 return 0;
2573 }
2574
2575 qom_name = g_strdup(name);
2576 c = qom_name;
2577 while (*c++) {
2578 if (*c == '_') {
2579 *c = '-';
2580 }
2581 }
2582
2583 object_property_parse(obj, value, qom_name, &local_err);
2584 g_free(qom_name);
2585
2586 if (local_err) {
2587 error_report_err(local_err);
2588 return -1;
2589 }
2590
2591 return 0;
2592 }
2593
2594 static int object_create(QemuOpts *opts, void *opaque)
2595 {
2596 Error *err = NULL;
2597 char *type = NULL;
2598 char *id = NULL;
2599 void *dummy = NULL;
2600 OptsVisitor *ov;
2601 QDict *pdict;
2602
2603 ov = opts_visitor_new(opts);
2604 pdict = qemu_opts_to_qdict(opts, NULL);
2605
2606 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2607 if (err) {
2608 goto out;
2609 }
2610
2611 qdict_del(pdict, "qom-type");
2612 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2613 if (err) {
2614 goto out;
2615 }
2616
2617 qdict_del(pdict, "id");
2618 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2619 if (err) {
2620 goto out;
2621 }
2622
2623 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2624 if (err) {
2625 goto out;
2626 }
2627 visit_end_struct(opts_get_visitor(ov), &err);
2628 if (err) {
2629 qmp_object_del(id, NULL);
2630 }
2631
2632 out:
2633 opts_visitor_cleanup(ov);
2634
2635 QDECREF(pdict);
2636 g_free(id);
2637 g_free(type);
2638 g_free(dummy);
2639 if (err) {
2640 error_report_err(err);
2641 return -1;
2642 }
2643 return 0;
2644 }
2645
2646 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size)
2647 {
2648 uint64_t sz;
2649 const char *mem_str;
2650 const char *maxmem_str, *slots_str;
2651 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2652 1024 * 1024;
2653 QemuOpts *opts = qemu_find_opts_singleton("memory");
2654
2655 sz = 0;
2656 mem_str = qemu_opt_get(opts, "size");
2657 if (mem_str) {
2658 if (!*mem_str) {
2659 error_report("missing 'size' option value");
2660 exit(EXIT_FAILURE);
2661 }
2662
2663 sz = qemu_opt_get_size(opts, "size", ram_size);
2664
2665 /* Fix up legacy suffix-less format */
2666 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2667 uint64_t overflow_check = sz;
2668
2669 sz <<= 20;
2670 if ((sz >> 20) != overflow_check) {
2671 error_report("too large 'size' option value");
2672 exit(EXIT_FAILURE);
2673 }
2674 }
2675 }
2676
2677 /* backward compatibility behaviour for case "-m 0" */
2678 if (sz == 0) {
2679 sz = default_ram_size;
2680 }
2681
2682 sz = QEMU_ALIGN_UP(sz, 8192);
2683 ram_size = sz;
2684 if (ram_size != sz) {
2685 error_report("ram size too large");
2686 exit(EXIT_FAILURE);
2687 }
2688
2689 /* store value for the future use */
2690 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2691 *maxram_size = ram_size;
2692
2693 maxmem_str = qemu_opt_get(opts, "maxmem");
2694 slots_str = qemu_opt_get(opts, "slots");
2695 if (maxmem_str && slots_str) {
2696 uint64_t slots;
2697
2698 sz = qemu_opt_get_size(opts, "maxmem", 0);
2699 slots = qemu_opt_get_number(opts, "slots", 0);
2700 if (sz < ram_size) {
2701 error_report("invalid value of -m option maxmem: "
2702 "maximum memory size (0x%" PRIx64 ") must be at least "
2703 "the initial memory size (0x" RAM_ADDR_FMT ")",
2704 sz, ram_size);
2705 exit(EXIT_FAILURE);
2706 } else if (sz > ram_size) {
2707 if (!slots) {
2708 error_report("invalid value of -m option: maxmem was "
2709 "specified, but no hotplug slots were specified");
2710 exit(EXIT_FAILURE);
2711 }
2712 } else if (slots) {
2713 error_report("invalid value of -m option maxmem: "
2714 "memory slots were specified but maximum memory size "
2715 "(0x%" PRIx64 ") is equal to the initial memory size "
2716 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2717 exit(EXIT_FAILURE);
2718 }
2719
2720 *maxram_size = sz;
2721 *ram_slots = slots;
2722 } else if ((!maxmem_str && slots_str) ||
2723 (maxmem_str && !slots_str)) {
2724 error_report("invalid -m option value: missing "
2725 "'%s' option", slots_str ? "maxmem" : "slots");
2726 exit(EXIT_FAILURE);
2727 }
2728 }
2729
2730 int main(int argc, char **argv, char **envp)
2731 {
2732 int i;
2733 int snapshot, linux_boot;
2734 const char *initrd_filename;
2735 const char *kernel_filename, *kernel_cmdline;
2736 const char *boot_order = NULL;
2737 const char *boot_once = NULL;
2738 DisplayState *ds;
2739 int cyls, heads, secs, translation;
2740 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2741 QemuOptsList *olist;
2742 int optind;
2743 const char *optarg;
2744 const char *loadvm = NULL;
2745 MachineClass *machine_class;
2746 const char *cpu_model;
2747 const char *vga_model = NULL;
2748 const char *qtest_chrdev = NULL;
2749 const char *qtest_log = NULL;
2750 const char *pid_file = NULL;
2751 const char *incoming = NULL;
2752 #ifdef CONFIG_VNC
2753 int show_vnc_port = 0;
2754 #endif
2755 bool defconfig = true;
2756 bool userconfig = true;
2757 const char *log_mask = NULL;
2758 const char *log_file = NULL;
2759 GMemVTable mem_trace = {
2760 .malloc = malloc_and_trace,
2761 .realloc = realloc_and_trace,
2762 .free = free_and_trace,
2763 };
2764 const char *trace_events = NULL;
2765 const char *trace_file = NULL;
2766 ram_addr_t maxram_size;
2767 uint64_t ram_slots = 0;
2768 FILE *vmstate_dump_file = NULL;
2769 Error *main_loop_err = NULL;
2770
2771 qemu_init_cpu_loop();
2772 qemu_mutex_lock_iothread();
2773
2774 atexit(qemu_run_exit_notifiers);
2775 error_set_progname(argv[0]);
2776 qemu_init_exec_dir(argv[0]);
2777
2778 g_mem_set_vtable(&mem_trace);
2779
2780 module_call_init(MODULE_INIT_QOM);
2781
2782 qemu_add_opts(&qemu_drive_opts);
2783 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2784 qemu_add_drive_opts(&qemu_common_drive_opts);
2785 qemu_add_drive_opts(&qemu_drive_opts);
2786 qemu_add_opts(&qemu_chardev_opts);
2787 qemu_add_opts(&qemu_device_opts);
2788 qemu_add_opts(&qemu_netdev_opts);
2789 qemu_add_opts(&qemu_net_opts);
2790 qemu_add_opts(&qemu_rtc_opts);
2791 qemu_add_opts(&qemu_global_opts);
2792 qemu_add_opts(&qemu_mon_opts);
2793 qemu_add_opts(&qemu_trace_opts);
2794 qemu_add_opts(&qemu_option_rom_opts);
2795 qemu_add_opts(&qemu_machine_opts);
2796 qemu_add_opts(&qemu_mem_opts);
2797 qemu_add_opts(&qemu_smp_opts);
2798 qemu_add_opts(&qemu_boot_opts);
2799 qemu_add_opts(&qemu_sandbox_opts);
2800 qemu_add_opts(&qemu_add_fd_opts);
2801 qemu_add_opts(&qemu_object_opts);
2802 qemu_add_opts(&qemu_tpmdev_opts);
2803 qemu_add_opts(&qemu_realtime_opts);
2804 qemu_add_opts(&qemu_msg_opts);
2805 qemu_add_opts(&qemu_name_opts);
2806 qemu_add_opts(&qemu_numa_opts);
2807 qemu_add_opts(&qemu_icount_opts);
2808 qemu_add_opts(&qemu_semihosting_config_opts);
2809
2810 runstate_init();
2811
2812 rtc_clock = QEMU_CLOCK_HOST;
2813
2814 QLIST_INIT (&vm_change_state_head);
2815 os_setup_early_signal_handling();
2816
2817 module_call_init(MODULE_INIT_MACHINE);
2818 machine_class = find_default_machine();
2819 cpu_model = NULL;
2820 snapshot = 0;
2821 cyls = heads = secs = 0;
2822 translation = BIOS_ATA_TRANSLATION_AUTO;
2823
2824 nb_nics = 0;
2825
2826 bdrv_init_with_whitelist();
2827
2828 autostart = 1;
2829
2830 /* first pass of option parsing */
2831 optind = 1;
2832 while (optind < argc) {
2833 if (argv[optind][0] != '-') {
2834 /* disk image */
2835 optind++;
2836 } else {
2837 const QEMUOption *popt;
2838
2839 popt = lookup_opt(argc, argv, &optarg, &optind);
2840 switch (popt->index) {
2841 case QEMU_OPTION_nodefconfig:
2842 defconfig = false;
2843 break;
2844 case QEMU_OPTION_nouserconfig:
2845 userconfig = false;
2846 break;
2847 }
2848 }
2849 }
2850
2851 if (defconfig) {
2852 int ret;
2853 ret = qemu_read_default_config_files(userconfig);
2854 if (ret < 0) {
2855 exit(1);
2856 }
2857 }
2858
2859 /* second pass of option parsing */
2860 optind = 1;
2861 for(;;) {
2862 if (optind >= argc)
2863 break;
2864 if (argv[optind][0] != '-') {
2865 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2866 } else {
2867 const QEMUOption *popt;
2868
2869 popt = lookup_opt(argc, argv, &optarg, &optind);
2870 if (!(popt->arch_mask & arch_type)) {
2871 printf("Option %s not supported for this target\n", popt->name);
2872 exit(1);
2873 }
2874 switch(popt->index) {
2875 case QEMU_OPTION_no_kvm_irqchip: {
2876 olist = qemu_find_opts("machine");
2877 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2878 break;
2879 }
2880 case QEMU_OPTION_cpu:
2881 /* hw initialization will check this */
2882 cpu_model = optarg;
2883 break;
2884 case QEMU_OPTION_hda:
2885 {
2886 char buf[256];
2887 if (cyls == 0)
2888 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2889 else
2890 snprintf(buf, sizeof(buf),
2891 "%s,cyls=%d,heads=%d,secs=%d%s",
2892 HD_OPTS , cyls, heads, secs,
2893 translation == BIOS_ATA_TRANSLATION_LBA ?
2894 ",trans=lba" :
2895 translation == BIOS_ATA_TRANSLATION_NONE ?
2896 ",trans=none" : "");
2897 drive_add(IF_DEFAULT, 0, optarg, buf);
2898 break;
2899 }
2900 case QEMU_OPTION_hdb:
2901 case QEMU_OPTION_hdc:
2902 case QEMU_OPTION_hdd:
2903 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2904 HD_OPTS);
2905 break;
2906 case QEMU_OPTION_drive:
2907 if (drive_def(optarg) == NULL) {
2908 exit(1);
2909 }
2910 break;
2911 case QEMU_OPTION_set:
2912 if (qemu_set_option(optarg) != 0)
2913 exit(1);
2914 break;
2915 case QEMU_OPTION_global:
2916 if (qemu_global_option(optarg) != 0)
2917 exit(1);
2918 break;
2919 case QEMU_OPTION_mtdblock:
2920 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2921 break;
2922 case QEMU_OPTION_sd:
2923 drive_add(IF_SD, -1, optarg, SD_OPTS);
2924 break;
2925 case QEMU_OPTION_pflash:
2926 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2927 break;
2928 case QEMU_OPTION_snapshot:
2929 snapshot = 1;
2930 break;
2931 case QEMU_OPTION_hdachs:
2932 {
2933 const char *p;
2934 p = optarg;
2935 cyls = strtol(p, (char **)&p, 0);
2936 if (cyls < 1 || cyls > 16383)
2937 goto chs_fail;
2938 if (*p != ',')
2939 goto chs_fail;
2940 p++;
2941 heads = strtol(p, (char **)&p, 0);
2942 if (heads < 1 || heads > 16)
2943 goto chs_fail;
2944 if (*p != ',')
2945 goto chs_fail;
2946 p++;
2947 secs = strtol(p, (char **)&p, 0);
2948 if (secs < 1 || secs > 63)
2949 goto chs_fail;
2950 if (*p == ',') {
2951 p++;
2952 if (!strcmp(p, "large")) {
2953 translation = BIOS_ATA_TRANSLATION_LARGE;
2954 } else if (!strcmp(p, "rechs")) {
2955 translation = BIOS_ATA_TRANSLATION_RECHS;
2956 } else if (!strcmp(p, "none")) {
2957 translation = BIOS_ATA_TRANSLATION_NONE;
2958 } else if (!strcmp(p, "lba")) {
2959 translation = BIOS_ATA_TRANSLATION_LBA;
2960 } else if (!strcmp(p, "auto")) {
2961 translation = BIOS_ATA_TRANSLATION_AUTO;
2962 } else {
2963 goto chs_fail;
2964 }
2965 } else if (*p != '\0') {
2966 chs_fail:
2967 fprintf(stderr, "qemu: invalid physical CHS format\n");
2968 exit(1);
2969 }
2970 if (hda_opts != NULL) {
2971 qemu_opt_set_number(hda_opts, "cyls", cyls,
2972 &error_abort);
2973 qemu_opt_set_number(hda_opts, "heads", heads,
2974 &error_abort);
2975 qemu_opt_set_number(hda_opts, "secs", secs,
2976 &error_abort);
2977 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2978 qemu_opt_set(hda_opts, "trans", "large",
2979 &error_abort);
2980 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2981 qemu_opt_set(hda_opts, "trans", "rechs",
2982 &error_abort);
2983 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2984 qemu_opt_set(hda_opts, "trans", "lba",
2985 &error_abort);
2986 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2987 qemu_opt_set(hda_opts, "trans", "none",
2988 &error_abort);
2989 }
2990 }
2991 }
2992 break;
2993 case QEMU_OPTION_numa:
2994 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2995 if (!opts) {
2996 exit(1);
2997 }
2998 break;
2999 case QEMU_OPTION_display:
3000 display_type = select_display(optarg);
3001 break;
3002 case QEMU_OPTION_nographic:
3003 display_type = DT_NOGRAPHIC;
3004 break;
3005 case QEMU_OPTION_curses:
3006 #ifdef CONFIG_CURSES
3007 display_type = DT_CURSES;
3008 #else
3009 fprintf(stderr, "Curses support is disabled\n");
3010 exit(1);
3011 #endif
3012 break;
3013 case QEMU_OPTION_portrait:
3014 graphic_rotate = 90;
3015 break;
3016 case QEMU_OPTION_rotate:
3017 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3018 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3019 graphic_rotate != 180 && graphic_rotate != 270) {
3020 fprintf(stderr,
3021 "qemu: only 90, 180, 270 deg rotation is available\n");
3022 exit(1);
3023 }
3024 break;
3025 case QEMU_OPTION_kernel:
3026 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3027 &error_abort);
3028 break;
3029 case QEMU_OPTION_initrd:
3030 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3031 &error_abort);
3032 break;
3033 case QEMU_OPTION_append:
3034 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3035 &error_abort);
3036 break;
3037 case QEMU_OPTION_dtb:
3038 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3039 &error_abort);
3040 break;
3041 case QEMU_OPTION_cdrom:
3042 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3043 break;
3044 case QEMU_OPTION_boot:
3045 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3046 if (!opts) {
3047 exit(1);
3048 }
3049 break;
3050 case QEMU_OPTION_fda:
3051 case QEMU_OPTION_fdb:
3052 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3053 optarg, FD_OPTS);
3054 break;
3055 case QEMU_OPTION_no_fd_bootchk:
3056 fd_bootchk = 0;
3057 break;
3058 case QEMU_OPTION_netdev:
3059 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3060 exit(1);
3061 }
3062 break;
3063 case QEMU_OPTION_net:
3064 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3065 exit(1);
3066 }
3067 break;
3068 #ifdef CONFIG_LIBISCSI
3069 case QEMU_OPTION_iscsi:
3070 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3071 if (!opts) {
3072 exit(1);
3073 }
3074 break;
3075 #endif
3076 #ifdef CONFIG_SLIRP
3077 case QEMU_OPTION_tftp:
3078 legacy_tftp_prefix = optarg;
3079 break;
3080 case QEMU_OPTION_bootp:
3081 legacy_bootp_filename = optarg;
3082 break;
3083 case QEMU_OPTION_redir:
3084 if (net_slirp_redir(optarg) < 0)
3085 exit(1);
3086 break;
3087 #endif
3088 case QEMU_OPTION_bt:
3089 add_device_config(DEV_BT, optarg);
3090 break;
3091 case QEMU_OPTION_audio_help:
3092 AUD_help ();
3093 exit (0);
3094 break;
3095 case QEMU_OPTION_soundhw:
3096 select_soundhw (optarg);
3097 break;
3098 case QEMU_OPTION_h:
3099 help(0);
3100 break;
3101 case QEMU_OPTION_version:
3102 version();
3103 exit(0);
3104 break;
3105 case QEMU_OPTION_m:
3106 opts = qemu_opts_parse(qemu_find_opts("memory"),
3107 optarg, 1);
3108 if (!opts) {
3109 exit(EXIT_FAILURE);
3110 }
3111 break;
3112 #ifdef CONFIG_TPM
3113 case QEMU_OPTION_tpmdev:
3114 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3115 exit(1);
3116 }
3117 break;
3118 #endif
3119 case QEMU_OPTION_mempath:
3120 mem_path = optarg;
3121 break;
3122 case QEMU_OPTION_mem_prealloc:
3123 mem_prealloc = 1;
3124 break;
3125 case QEMU_OPTION_d:
3126 log_mask = optarg;
3127 break;
3128 case QEMU_OPTION_D:
3129 log_file = optarg;
3130 break;
3131 case QEMU_OPTION_s:
3132 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3133 break;
3134 case QEMU_OPTION_gdb:
3135 add_device_config(DEV_GDB, optarg);
3136 break;
3137 case QEMU_OPTION_L:
3138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3139 data_dir[data_dir_idx++] = optarg;
3140 }
3141 break;
3142 case QEMU_OPTION_bios:
3143 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3144 &error_abort);
3145 break;
3146 case QEMU_OPTION_singlestep:
3147 singlestep = 1;
3148 break;
3149 case QEMU_OPTION_S:
3150 autostart = 0;
3151 break;
3152 case QEMU_OPTION_k:
3153 keyboard_layout = optarg;
3154 break;
3155 case QEMU_OPTION_localtime:
3156 rtc_utc = 0;
3157 break;
3158 case QEMU_OPTION_vga:
3159 vga_model = optarg;
3160 default_vga = 0;
3161 break;
3162 case QEMU_OPTION_g:
3163 {
3164 const char *p;
3165 int w, h, depth;
3166 p = optarg;
3167 w = strtol(p, (char **)&p, 10);
3168 if (w <= 0) {
3169 graphic_error:
3170 fprintf(stderr, "qemu: invalid resolution or depth\n");
3171 exit(1);
3172 }
3173 if (*p != 'x')
3174 goto graphic_error;
3175 p++;
3176 h = strtol(p, (char **)&p, 10);
3177 if (h <= 0)
3178 goto graphic_error;
3179 if (*p == 'x') {
3180 p++;
3181 depth = strtol(p, (char **)&p, 10);
3182 if (depth != 8 && depth != 15 && depth != 16 &&
3183 depth != 24 && depth != 32)
3184 goto graphic_error;
3185 } else if (*p == '\0') {
3186 depth = graphic_depth;
3187 } else {
3188 goto graphic_error;
3189 }
3190
3191 graphic_width = w;
3192 graphic_height = h;
3193 graphic_depth = depth;
3194 }
3195 break;
3196 case QEMU_OPTION_echr:
3197 {
3198 char *r;
3199 term_escape_char = strtol(optarg, &r, 0);
3200 if (r == optarg)
3201 printf("Bad argument to echr\n");
3202 break;
3203 }
3204 case QEMU_OPTION_monitor:
3205 default_monitor = 0;
3206 if (strncmp(optarg, "none", 4)) {
3207 monitor_parse(optarg, "readline", false);
3208 }
3209 break;
3210 case QEMU_OPTION_qmp:
3211 monitor_parse(optarg, "control", false);
3212 default_monitor = 0;
3213 break;
3214 case QEMU_OPTION_qmp_pretty:
3215 monitor_parse(optarg, "control", true);
3216 default_monitor = 0;
3217 break;
3218 case QEMU_OPTION_mon:
3219 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 default_monitor = 0;
3224 break;
3225 case QEMU_OPTION_chardev:
3226 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3227 if (!opts) {
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_fsdev:
3232 olist = qemu_find_opts("fsdev");
3233 if (!olist) {
3234 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3235 exit(1);
3236 }
3237 opts = qemu_opts_parse(olist, optarg, 1);
3238 if (!opts) {
3239 exit(1);
3240 }
3241 break;
3242 case QEMU_OPTION_virtfs: {
3243 QemuOpts *fsdev;
3244 QemuOpts *device;
3245 const char *writeout, *sock_fd, *socket;
3246
3247 olist = qemu_find_opts("virtfs");
3248 if (!olist) {
3249 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3250 exit(1);
3251 }
3252 opts = qemu_opts_parse(olist, optarg, 1);
3253 if (!opts) {
3254 exit(1);
3255 }
3256
3257 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3258 qemu_opt_get(opts, "mount_tag") == NULL) {
3259 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3260 exit(1);
3261 }
3262 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3263 qemu_opt_get(opts, "mount_tag"),
3264 1, NULL);
3265 if (!fsdev) {
3266 fprintf(stderr, "duplicate fsdev id: %s\n",
3267 qemu_opt_get(opts, "mount_tag"));
3268 exit(1);
3269 }
3270
3271 writeout = qemu_opt_get(opts, "writeout");
3272 if (writeout) {
3273 #ifdef CONFIG_SYNC_FILE_RANGE
3274 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3275 #else
3276 fprintf(stderr, "writeout=immediate not supported on "
3277 "this platform\n");
3278 exit(1);
3279 #endif
3280 }
3281 qemu_opt_set(fsdev, "fsdriver",
3282 qemu_opt_get(opts, "fsdriver"), &error_abort);
3283 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3284 &error_abort);
3285 qemu_opt_set(fsdev, "security_model",
3286 qemu_opt_get(opts, "security_model"),
3287 &error_abort);
3288 socket = qemu_opt_get(opts, "socket");
3289 if (socket) {
3290 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3291 }
3292 sock_fd = qemu_opt_get(opts, "sock_fd");
3293 if (sock_fd) {
3294 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3295 }
3296
3297 qemu_opt_set_bool(fsdev, "readonly",
3298 qemu_opt_get_bool(opts, "readonly", 0),
3299 &error_abort);
3300 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3301 &error_abort);
3302 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3303 qemu_opt_set(device, "fsdev",
3304 qemu_opt_get(opts, "mount_tag"), &error_abort);
3305 qemu_opt_set(device, "mount_tag",
3306 qemu_opt_get(opts, "mount_tag"), &error_abort);
3307 break;
3308 }
3309 case QEMU_OPTION_virtfs_synth: {
3310 QemuOpts *fsdev;
3311 QemuOpts *device;
3312
3313 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3314 1, NULL);
3315 if (!fsdev) {
3316 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3317 exit(1);
3318 }
3319 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3320
3321 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3322 &error_abort);
3323 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3324 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3325 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3326 break;
3327 }
3328 case QEMU_OPTION_serial:
3329 add_device_config(DEV_SERIAL, optarg);
3330 default_serial = 0;
3331 if (strncmp(optarg, "mon:", 4) == 0) {
3332 default_monitor = 0;
3333 }
3334 break;
3335 case QEMU_OPTION_watchdog:
3336 if (watchdog) {
3337 fprintf(stderr,
3338 "qemu: only one watchdog option may be given\n");
3339 return 1;
3340 }
3341 watchdog = optarg;
3342 break;
3343 case QEMU_OPTION_watchdog_action:
3344 if (select_watchdog_action(optarg) == -1) {
3345 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3346 exit(1);
3347 }
3348 break;
3349 case QEMU_OPTION_virtiocon:
3350 add_device_config(DEV_VIRTCON, optarg);
3351 default_virtcon = 0;
3352 if (strncmp(optarg, "mon:", 4) == 0) {
3353 default_monitor = 0;
3354 }
3355 break;
3356 case QEMU_OPTION_parallel:
3357 add_device_config(DEV_PARALLEL, optarg);
3358 default_parallel = 0;
3359 if (strncmp(optarg, "mon:", 4) == 0) {
3360 default_monitor = 0;
3361 }
3362 break;
3363 case QEMU_OPTION_debugcon:
3364 add_device_config(DEV_DEBUGCON, optarg);
3365 break;
3366 case QEMU_OPTION_loadvm:
3367 loadvm = optarg;
3368 break;
3369 case QEMU_OPTION_full_screen:
3370 full_screen = 1;
3371 break;
3372 case QEMU_OPTION_no_frame:
3373 no_frame = 1;
3374 break;
3375 case QEMU_OPTION_alt_grab:
3376 alt_grab = 1;
3377 break;
3378 case QEMU_OPTION_ctrl_grab:
3379 ctrl_grab = 1;
3380 break;
3381 case QEMU_OPTION_no_quit:
3382 no_quit = 1;
3383 break;
3384 case QEMU_OPTION_sdl:
3385 #ifdef CONFIG_SDL
3386 display_type = DT_SDL;
3387 break;
3388 #else
3389 fprintf(stderr, "SDL support is disabled\n");
3390 exit(1);
3391 #endif
3392 case QEMU_OPTION_pidfile:
3393 pid_file = optarg;
3394 break;
3395 case QEMU_OPTION_win2k_hack:
3396 win2k_install_hack = 1;
3397 break;
3398 case QEMU_OPTION_rtc_td_hack: {
3399 static GlobalProperty slew_lost_ticks[] = {
3400 {
3401 .driver = "mc146818rtc",
3402 .property = "lost_tick_policy",
3403 .value = "slew",
3404 },
3405 { /* end of list */ }
3406 };
3407
3408 qdev_prop_register_global_list(slew_lost_ticks);
3409 break;
3410 }
3411 case QEMU_OPTION_acpitable:
3412 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3413 if (!opts) {
3414 exit(1);
3415 }
3416 do_acpitable_option(opts);
3417 break;
3418 case QEMU_OPTION_smbios:
3419 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3420 if (!opts) {
3421 exit(1);
3422 }
3423 do_smbios_option(opts);
3424 break;
3425 case QEMU_OPTION_enable_kvm:
3426 olist = qemu_find_opts("machine");
3427 qemu_opts_parse(olist, "accel=kvm", 0);
3428 break;
3429 case QEMU_OPTION_M:
3430 case QEMU_OPTION_machine:
3431 olist = qemu_find_opts("machine");
3432 opts = qemu_opts_parse(olist, optarg, 1);
3433 if (!opts) {
3434 exit(1);
3435 }
3436 break;
3437 case QEMU_OPTION_no_kvm:
3438 olist = qemu_find_opts("machine");
3439 qemu_opts_parse(olist, "accel=tcg", 0);
3440 break;
3441 case QEMU_OPTION_no_kvm_pit: {
3442 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3443 "separately.\n");
3444 break;
3445 }
3446 case QEMU_OPTION_no_kvm_pit_reinjection: {
3447 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3448 {
3449 .driver = "kvm-pit",
3450 .property = "lost_tick_policy",
3451 .value = "discard",
3452 },
3453 { /* end of list */ }
3454 };
3455
3456 fprintf(stderr, "Warning: option deprecated, use "
3457 "lost_tick_policy property of kvm-pit instead.\n");
3458 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3459 break;
3460 }
3461 case QEMU_OPTION_usb:
3462 olist = qemu_find_opts("machine");
3463 qemu_opts_parse(olist, "usb=on", 0);
3464 break;
3465 case QEMU_OPTION_usbdevice:
3466 olist = qemu_find_opts("machine");
3467 qemu_opts_parse(olist, "usb=on", 0);
3468 add_device_config(DEV_USB, optarg);
3469 break;
3470 case QEMU_OPTION_device:
3471 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3472 exit(1);
3473 }
3474 break;
3475 case QEMU_OPTION_smp:
3476 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3477 exit(1);
3478 }
3479 break;
3480 case QEMU_OPTION_vnc:
3481 #ifdef CONFIG_VNC
3482 if (vnc_parse_func(optarg) == NULL) {
3483 exit(1);
3484 }
3485 #else
3486 fprintf(stderr, "VNC support is disabled\n");
3487 exit(1);
3488 #endif
3489 break;
3490 case QEMU_OPTION_no_acpi:
3491 acpi_enabled = 0;
3492 break;
3493 case QEMU_OPTION_no_hpet:
3494 no_hpet = 1;
3495 break;
3496 case QEMU_OPTION_balloon:
3497 if (balloon_parse(optarg) < 0) {
3498 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3499 exit(1);
3500 }
3501 break;
3502 case QEMU_OPTION_no_reboot:
3503 no_reboot = 1;
3504 break;
3505 case QEMU_OPTION_no_shutdown:
3506 no_shutdown = 1;
3507 break;
3508 case QEMU_OPTION_show_cursor:
3509 cursor_hide = 0;
3510 break;
3511 case QEMU_OPTION_uuid:
3512 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3513 fprintf(stderr, "Fail to parse UUID string."
3514 " Wrong format.\n");
3515 exit(1);
3516 }
3517 qemu_uuid_set = true;
3518 break;
3519 case QEMU_OPTION_option_rom:
3520 if (nb_option_roms >= MAX_OPTION_ROMS) {
3521 fprintf(stderr, "Too many option ROMs\n");
3522 exit(1);
3523 }
3524 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3525 if (!opts) {
3526 exit(1);
3527 }
3528 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3529 option_rom[nb_option_roms].bootindex =
3530 qemu_opt_get_number(opts, "bootindex", -1);
3531 if (!option_rom[nb_option_roms].name) {
3532 fprintf(stderr, "Option ROM file is not specified\n");
3533 exit(1);
3534 }
3535 nb_option_roms++;
3536 break;
3537 case QEMU_OPTION_semihosting:
3538 semihosting_enabled = 1;
3539 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3540 break;
3541 case QEMU_OPTION_semihosting_config:
3542 semihosting_enabled = 1;
3543 opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
3544 optarg, 0);
3545 if (opts != NULL) {
3546 semihosting_enabled = qemu_opt_get_bool(opts, "enable",
3547 true);
3548 const char *target = qemu_opt_get(opts, "target");
3549 if (target != NULL) {
3550 if (strcmp("native", target) == 0) {
3551 semihosting_target = SEMIHOSTING_TARGET_NATIVE;
3552 } else if (strcmp("gdb", target) == 0) {
3553 semihosting_target = SEMIHOSTING_TARGET_GDB;
3554 } else if (strcmp("auto", target) == 0) {
3555 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3556 } else {
3557 fprintf(stderr, "Unsupported semihosting-config"
3558 " %s\n",
3559 optarg);
3560 exit(1);
3561 }
3562 } else {
3563 semihosting_target = SEMIHOSTING_TARGET_AUTO;
3564 }
3565 } else {
3566 fprintf(stderr, "Unsupported semihosting-config %s\n",
3567 optarg);
3568 exit(1);
3569 }
3570 break;
3571 case QEMU_OPTION_tdf:
3572 fprintf(stderr, "Warning: user space PIT time drift fix "
3573 "is no longer supported.\n");
3574 break;
3575 case QEMU_OPTION_name:
3576 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3577 if (!opts) {
3578 exit(1);
3579 }
3580 break;
3581 case QEMU_OPTION_prom_env:
3582 if (nb_prom_envs >= MAX_PROM_ENVS) {
3583 fprintf(stderr, "Too many prom variables\n");
3584 exit(1);
3585 }
3586 prom_envs[nb_prom_envs] = optarg;
3587 nb_prom_envs++;
3588 break;
3589 case QEMU_OPTION_old_param:
3590 old_param = 1;
3591 break;
3592 case QEMU_OPTION_clock:
3593 /* Clock options no longer exist. Keep this option for
3594 * backward compatibility.
3595 */
3596 break;
3597 case QEMU_OPTION_startdate:
3598 configure_rtc_date_offset(optarg, 1);
3599 break;
3600 case QEMU_OPTION_rtc:
3601 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3602 if (!opts) {
3603 exit(1);
3604 }
3605 configure_rtc(opts);
3606 break;
3607 case QEMU_OPTION_tb_size:
3608 tcg_tb_size = strtol(optarg, NULL, 0);
3609 if (tcg_tb_size < 0) {
3610 tcg_tb_size = 0;
3611 }
3612 break;
3613 case QEMU_OPTION_icount:
3614 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3615 optarg, 1);
3616 if (!icount_opts) {
3617 exit(1);
3618 }
3619 break;
3620 case QEMU_OPTION_incoming:
3621 incoming = optarg;
3622 runstate_set(RUN_STATE_INMIGRATE);
3623 break;
3624 case QEMU_OPTION_nodefaults:
3625 has_defaults = 0;
3626 break;
3627 case QEMU_OPTION_xen_domid:
3628 if (!(xen_available())) {
3629 printf("Option %s not supported for this target\n", popt->name);
3630 exit(1);
3631 }
3632 xen_domid = atoi(optarg);
3633 break;
3634 case QEMU_OPTION_xen_create:
3635 if (!(xen_available())) {
3636 printf("Option %s not supported for this target\n", popt->name);
3637 exit(1);
3638 }
3639 xen_mode = XEN_CREATE;
3640 break;
3641 case QEMU_OPTION_xen_attach:
3642 if (!(xen_available())) {
3643 printf("Option %s not supported for this target\n", popt->name);
3644 exit(1);
3645 }
3646 xen_mode = XEN_ATTACH;
3647 break;
3648 case QEMU_OPTION_trace:
3649 {
3650 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 trace_events = qemu_opt_get(opts, "events");
3655 trace_file = qemu_opt_get(opts, "file");
3656 break;
3657 }
3658 case QEMU_OPTION_readconfig:
3659 {
3660 int ret = qemu_read_config_file(optarg);
3661 if (ret < 0) {
3662 fprintf(stderr, "read config %s: %s\n", optarg,
3663 strerror(-ret));
3664 exit(1);
3665 }
3666 break;
3667 }
3668 case QEMU_OPTION_spice:
3669 olist = qemu_find_opts("spice");
3670 if (!olist) {
3671 fprintf(stderr, "spice is not supported by this qemu build.\n");
3672 exit(1);
3673 }
3674 opts = qemu_opts_parse(olist, optarg, 0);
3675 if (!opts) {
3676 exit(1);
3677 }
3678 display_remote++;
3679 break;
3680 case QEMU_OPTION_writeconfig:
3681 {
3682 FILE *fp;
3683 if (strcmp(optarg, "-") == 0) {
3684 fp = stdout;
3685 } else {
3686 fp = fopen(optarg, "w");
3687 if (fp == NULL) {
3688 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3689 exit(1);
3690 }
3691 }
3692 qemu_config_write(fp);
3693 if (fp != stdout) {
3694 fclose(fp);
3695 }
3696 break;
3697 }
3698 case QEMU_OPTION_qtest:
3699 qtest_chrdev = optarg;
3700 break;
3701 case QEMU_OPTION_qtest_log:
3702 qtest_log = optarg;
3703 break;
3704 case QEMU_OPTION_sandbox:
3705 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3706 if (!opts) {
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_add_fd:
3711 #ifndef _WIN32
3712 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3713 if (!opts) {
3714 exit(1);
3715 }
3716 #else
3717 error_report("File descriptor passing is disabled on this "
3718 "platform");
3719 exit(1);
3720 #endif
3721 break;
3722 case QEMU_OPTION_object:
3723 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_realtime:
3729 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3730 if (!opts) {
3731 exit(1);
3732 }
3733 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3734 break;
3735 case QEMU_OPTION_msg:
3736 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3737 if (!opts) {
3738 exit(1);
3739 }
3740 configure_msg(opts);
3741 break;
3742 case QEMU_OPTION_dump_vmstate:
3743 if (vmstate_dump_file) {
3744 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3745 "option may be given\n");
3746 exit(1);
3747 }
3748 vmstate_dump_file = fopen(optarg, "w");
3749 if (vmstate_dump_file == NULL) {
3750 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3751 exit(1);
3752 }
3753 break;
3754 default:
3755 os_parse_cmd_args(popt->index, optarg);
3756 }
3757 }
3758 }
3759
3760 opts = qemu_get_machine_opts();
3761 optarg = qemu_opt_get(opts, "type");
3762 if (optarg) {
3763 machine_class = machine_parse(optarg);
3764 }
3765
3766 set_memory_options(&ram_slots, &maxram_size);
3767
3768 loc_set_none();
3769
3770 os_daemonize();
3771
3772 if (qemu_init_main_loop(&main_loop_err)) {
3773 error_report_err(main_loop_err);
3774 exit(1);
3775 }
3776
3777 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3778 exit(1);
3779 }
3780
3781 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3782 exit(1);
3783 }
3784
3785 #ifndef _WIN32
3786 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3787 exit(1);
3788 }
3789
3790 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3791 exit(1);
3792 }
3793 #endif
3794
3795 if (machine_class == NULL) {
3796 fprintf(stderr, "No machine specified, and there is no default.\n"
3797 "Use -machine help to list supported machines!\n");
3798 exit(1);
3799 }
3800
3801 current_machine = MACHINE(object_new(object_class_get_name(
3802 OBJECT_CLASS(machine_class))));
3803 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3804 exit(0);
3805 }
3806 object_property_add_child(object_get_root(), "machine",
3807 OBJECT(current_machine), &error_abort);
3808 cpu_exec_init_all();
3809
3810 if (machine_class->hw_version) {
3811 qemu_set_version(machine_class->hw_version);
3812 }
3813
3814 /* Init CPU def lists, based on config
3815 * - Must be called after all the qemu_read_config_file() calls
3816 * - Must be called before list_cpus()
3817 * - Must be called before machine->init()
3818 */
3819 cpudef_init();
3820
3821 if (cpu_model && is_help_option(cpu_model)) {
3822 list_cpus(stdout, &fprintf, cpu_model);
3823 exit(0);
3824 }
3825
3826 /* Open the logfile at this point, if necessary. We can't open the logfile
3827 * when encountering either of the logging options (-d or -D) because the
3828 * other one may be encountered later on the command line, changing the
3829 * location or level of logging.
3830 */
3831 if (log_mask) {
3832 int mask;
3833 if (log_file) {
3834 qemu_set_log_filename(log_file);
3835 }
3836
3837 mask = qemu_str_to_log_mask(log_mask);
3838 if (!mask) {
3839 qemu_print_log_usage(stdout);
3840 exit(1);
3841 }
3842 qemu_set_log(mask);
3843 }
3844
3845 if (!is_daemonized()) {
3846 if (!trace_init_backends(trace_events, trace_file)) {
3847 exit(1);
3848 }
3849 }
3850
3851 /* If no data_dir is specified then try to find it relative to the
3852 executable path. */
3853 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3854 data_dir[data_dir_idx] = os_find_datadir();
3855 if (data_dir[data_dir_idx] != NULL) {
3856 data_dir_idx++;
3857 }
3858 }
3859 /* If all else fails use the install path specified when building. */
3860 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3861 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3862 }
3863
3864 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3865
3866 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3867 if (max_cpus > machine_class->max_cpus) {
3868 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3869 "supported by machine `%s' (%d)\n", max_cpus,
3870 machine_class->name, machine_class->max_cpus);
3871 exit(1);
3872 }
3873
3874 /*
3875 * Get the default machine options from the machine if it is not already
3876 * specified either by the configuration file or by the command line.
3877 */
3878 if (machine_class->default_machine_opts) {
3879 qemu_opts_set_defaults(qemu_find_opts("machine"),
3880 machine_class->default_machine_opts, 0);
3881 }
3882
3883 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3884 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3885
3886 if (!vga_model && !default_vga) {
3887 vga_interface_type = VGA_DEVICE;
3888 }
3889 if (!has_defaults || machine_class->no_serial) {
3890 default_serial = 0;
3891 }
3892 if (!has_defaults || machine_class->no_parallel) {
3893 default_parallel = 0;
3894 }
3895 if (!has_defaults || !machine_class->use_virtcon) {
3896 default_virtcon = 0;
3897 }
3898 if (!has_defaults || !machine_class->use_sclp) {
3899 default_sclp = 0;
3900 }
3901 if (!has_defaults || machine_class->no_floppy) {
3902 default_floppy = 0;
3903 }
3904 if (!has_defaults || machine_class->no_cdrom) {
3905 default_cdrom = 0;
3906 }
3907 if (!has_defaults || machine_class->no_sdcard) {
3908 default_sdcard = 0;
3909 }
3910 if (!has_defaults) {
3911 default_monitor = 0;
3912 default_net = 0;
3913 default_vga = 0;
3914 }
3915
3916 if (is_daemonized()) {
3917 /* According to documentation and historically, -nographic redirects
3918 * serial port, parallel port and monitor to stdio, which does not work
3919 * with -daemonize. We can redirect these to null instead, but since
3920 * -nographic is legacy, let's just error out.
3921 * We disallow -nographic only if all other ports are not redirected
3922 * explicitly, to not break existing legacy setups which uses
3923 * -nographic _and_ redirects all ports explicitly - this is valid
3924 * usage, -nographic is just a no-op in this case.
3925 */
3926 if (display_type == DT_NOGRAPHIC
3927 && (default_parallel || default_serial
3928 || default_monitor || default_virtcon)) {
3929 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3930 exit(1);
3931 }
3932 #ifdef CONFIG_CURSES
3933 if (display_type == DT_CURSES) {
3934 fprintf(stderr, "curses display can not be used with -daemonize\n");
3935 exit(1);
3936 }
3937 #endif
3938 }
3939
3940 if (display_type == DT_NOGRAPHIC) {
3941 if (default_parallel)
3942 add_device_config(DEV_PARALLEL, "null");
3943 if (default_serial && default_monitor) {
3944 add_device_config(DEV_SERIAL, "mon:stdio");
3945 } else if (default_virtcon && default_monitor) {
3946 add_device_config(DEV_VIRTCON, "mon:stdio");
3947 } else if (default_sclp && default_monitor) {
3948 add_device_config(DEV_SCLP, "mon:stdio");
3949 } else {
3950 if (default_serial)
3951 add_device_config(DEV_SERIAL, "stdio");
3952 if (default_virtcon)
3953 add_device_config(DEV_VIRTCON, "stdio");
3954 if (default_sclp) {
3955 add_device_config(DEV_SCLP, "stdio");
3956 }
3957 if (default_monitor)
3958 monitor_parse("stdio", "readline", false);
3959 }
3960 } else {
3961 if (default_serial)
3962 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3963 if (default_parallel)
3964 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3965 if (default_monitor)
3966 monitor_parse("vc:80Cx24C", "readline", false);
3967 if (default_virtcon)
3968 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3969 if (default_sclp) {
3970 add_device_config(DEV_SCLP, "vc:80Cx24C");
3971 }
3972 }
3973
3974 #if defined(CONFIG_VNC)
3975 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
3976 display_remote++;
3977 }
3978 #endif
3979 if (display_type == DT_DEFAULT && !display_remote) {
3980 #if defined(CONFIG_GTK)
3981 display_type = DT_GTK;
3982 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3983 display_type = DT_SDL;
3984 #elif defined(CONFIG_VNC)
3985 vnc_parse_func("localhost:0,to=99,id=default");
3986 show_vnc_port = 1;
3987 #else
3988 display_type = DT_NONE;
3989 #endif
3990 }
3991
3992 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3993 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3994 "for SDL, ignoring option\n");
3995 }
3996 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3997 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3998 "ignoring option\n");
3999 }
4000
4001 #if defined(CONFIG_GTK)
4002 if (display_type == DT_GTK) {
4003 early_gtk_display_init();
4004 }
4005 #endif
4006
4007 socket_init();
4008
4009 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4010 exit(1);
4011 #ifdef CONFIG_VIRTFS
4012 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4013 exit(1);
4014 }
4015 #endif
4016
4017 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4018 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4023 != 0) {
4024 exit(0);
4025 }
4026
4027 if (qemu_opts_foreach(qemu_find_opts("object"),
4028 object_create, NULL, 0) != 0) {
4029 exit(1);
4030 }
4031
4032 machine_opts = qemu_get_machine_opts();
4033 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4034 1) < 0) {
4035 object_unref(OBJECT(current_machine));
4036 exit(1);
4037 }
4038
4039 configure_accelerator(current_machine);
4040
4041 if (qtest_chrdev) {
4042 Error *local_err = NULL;
4043 qtest_init(qtest_chrdev, qtest_log, &local_err);
4044 if (local_err) {
4045 error_report_err(local_err);
4046 exit(1);
4047 }
4048 }
4049
4050 machine_opts = qemu_get_machine_opts();
4051 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4052 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4053 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4054 bios_name = qemu_opt_get(machine_opts, "firmware");
4055
4056 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4057 if (opts) {
4058 Error *local_err = NULL;
4059
4060 boot_order = qemu_opt_get(opts, "order");
4061 if (boot_order) {
4062 validate_bootdevices(boot_order, &local_err);
4063 if (local_err) {
4064 error_report_err(local_err);
4065 exit(1);
4066 }
4067 }
4068
4069 boot_once = qemu_opt_get(opts, "once");
4070 if (boot_once) {
4071 validate_bootdevices(boot_once, &local_err);
4072 if (local_err) {
4073 error_report_err(local_err);
4074 exit(1);
4075 }
4076 }
4077
4078 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4079 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4080 }
4081
4082 if (!boot_order) {
4083 boot_order = machine_class->default_boot_order;
4084 }
4085
4086 if (!kernel_cmdline) {
4087 kernel_cmdline = "";
4088 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4089 }
4090
4091 linux_boot = (kernel_filename != NULL);
4092
4093 if (!linux_boot && *kernel_cmdline != '\0') {
4094 fprintf(stderr, "-append only allowed with -kernel option\n");
4095 exit(1);
4096 }
4097
4098 if (!linux_boot && initrd_filename != NULL) {
4099 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4100 exit(1);
4101 }
4102
4103 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4104 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4105 exit(1);
4106 }
4107
4108 os_set_line_buffering();
4109
4110 #ifdef CONFIG_SPICE
4111 /* spice needs the timers to be initialized by this point */
4112 qemu_spice_init();
4113 #endif
4114
4115 cpu_ticks_init();
4116 if (icount_opts) {
4117 if (kvm_enabled() || xen_enabled()) {
4118 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4119 exit(1);
4120 }
4121 configure_icount(icount_opts, &error_abort);
4122 qemu_opts_del(icount_opts);
4123 }
4124
4125 /* clean up network at qemu process termination */
4126 atexit(&net_cleanup);
4127
4128 if (net_init_clients() < 0) {
4129 exit(1);
4130 }
4131
4132 #ifdef CONFIG_TPM
4133 if (tpm_init() < 0) {
4134 exit(1);
4135 }
4136 #endif
4137
4138 /* init the bluetooth world */
4139 if (foreach_device_config(DEV_BT, bt_parse))
4140 exit(1);
4141
4142 if (!xen_enabled()) {
4143 /* On 32-bit hosts, QEMU is limited by virtual address space */
4144 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4145 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4146 exit(1);
4147 }
4148 }
4149
4150 blk_mig_init();
4151 ram_mig_init();
4152
4153 /* If the currently selected machine wishes to override the units-per-bus
4154 * property of its default HBA interface type, do so now. */
4155 if (machine_class->units_per_default_bus) {
4156 override_max_devs(machine_class->block_default_type,
4157 machine_class->units_per_default_bus);
4158 }
4159
4160 /* open the virtual block devices */
4161 if (snapshot)
4162 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4163 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4164 &machine_class->block_default_type, 1) != 0) {
4165 exit(1);
4166 }
4167
4168 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4169 CDROM_OPTS);
4170 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4171 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4172
4173 parse_numa_opts();
4174
4175 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4176 exit(1);
4177 }
4178
4179 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4180 exit(1);
4181 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4182 exit(1);
4183 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4184 exit(1);
4185 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4186 exit(1);
4187 }
4188 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4189 exit(1);
4190
4191 /* If no default VGA is requested, the default is "none". */
4192 if (default_vga) {
4193 if (machine_class->default_display) {
4194 vga_model = machine_class->default_display;
4195 } else if (cirrus_vga_available()) {
4196 vga_model = "cirrus";
4197 } else if (vga_available()) {
4198 vga_model = "std";
4199 }
4200 }
4201 if (vga_model) {
4202 select_vgahw(vga_model);
4203 }
4204
4205 if (watchdog) {
4206 i = select_watchdog(watchdog);
4207 if (i > 0)
4208 exit (i == 1 ? 1 : 0);
4209 }
4210
4211 if (machine_class->compat_props) {
4212 qdev_prop_register_global_list(machine_class->compat_props);
4213 }
4214 qemu_add_globals();
4215
4216 qdev_machine_init();
4217
4218 current_machine->ram_size = ram_size;
4219 current_machine->maxram_size = maxram_size;
4220 current_machine->ram_slots = ram_slots;
4221 current_machine->boot_order = boot_order;
4222 current_machine->cpu_model = cpu_model;
4223
4224 machine_class->init(current_machine);
4225
4226 realtime_init();
4227
4228 audio_init();
4229
4230 cpu_synchronize_all_post_init();
4231
4232 numa_post_machine_init();
4233
4234 /* init USB devices */
4235 if (usb_enabled()) {
4236 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4237 exit(1);
4238 }
4239
4240 /* init generic devices */
4241 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4242 exit(1);
4243
4244 /* Did we create any drives that we failed to create a device for? */
4245 drive_check_orphaned();
4246
4247 net_check_clients();
4248
4249 if (boot_once) {
4250 Error *local_err = NULL;
4251 qemu_boot_set(boot_once, &local_err);
4252 if (local_err) {
4253 error_report("%s", error_get_pretty(local_err));
4254 exit(1);
4255 }
4256 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4257 }
4258
4259 ds = init_displaystate();
4260
4261 /* init local displays */
4262 switch (display_type) {
4263 case DT_NOGRAPHIC:
4264 (void)ds; /* avoid warning if no display is configured */
4265 break;
4266 #if defined(CONFIG_CURSES)
4267 case DT_CURSES:
4268 curses_display_init(ds, full_screen);
4269 break;
4270 #endif
4271 #if defined(CONFIG_SDL)
4272 case DT_SDL:
4273 sdl_display_init(ds, full_screen, no_frame);
4274 break;
4275 #elif defined(CONFIG_COCOA)
4276 case DT_SDL:
4277 cocoa_display_init(ds, full_screen);
4278 break;
4279 #endif
4280 #if defined(CONFIG_GTK)
4281 case DT_GTK:
4282 gtk_display_init(ds, full_screen, grab_on_hover);
4283 break;
4284 #endif
4285 default:
4286 break;
4287 }
4288
4289 /* must be after terminal init, SDL library changes signal handlers */
4290 os_setup_signal_handling();
4291
4292 #ifdef CONFIG_VNC
4293 /* init remote displays */
4294 qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL, 0);
4295 if (show_vnc_port) {
4296 printf("VNC server running on `%s'\n",
4297 vnc_display_local_addr("default"));
4298 }
4299 #endif
4300 #ifdef CONFIG_SPICE
4301 if (using_spice) {
4302 qemu_spice_display_init();
4303 }
4304 #endif
4305
4306 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4307 exit(1);
4308 }
4309
4310 qdev_machine_creation_done();
4311
4312 if (rom_load_all() != 0) {
4313 fprintf(stderr, "rom loading failed\n");
4314 exit(1);
4315 }
4316
4317 /* TODO: once all bus devices are qdevified, this should be done
4318 * when bus is created by qdev.c */
4319 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4320 qemu_run_machine_init_done_notifiers();
4321
4322 /* Done notifiers can load ROMs */
4323 rom_load_done();
4324
4325 qemu_system_reset(VMRESET_SILENT);
4326 if (loadvm) {
4327 if (load_vmstate(loadvm) < 0) {
4328 autostart = 0;
4329 }
4330 }
4331
4332 qdev_prop_check_globals();
4333 if (vmstate_dump_file) {
4334 /* dump and exit */
4335 dump_vmstate_json_to_file(vmstate_dump_file);
4336 return 0;
4337 }
4338
4339 if (incoming) {
4340 Error *local_err = NULL;
4341 qemu_start_incoming_migration(incoming, &local_err);
4342 if (local_err) {
4343 error_report("-incoming %s: %s", incoming,
4344 error_get_pretty(local_err));
4345 error_free(local_err);
4346 exit(1);
4347 }
4348 } else if (autostart) {
4349 vm_start();
4350 }
4351
4352 os_setup_post();
4353
4354 if (is_daemonized()) {
4355 if (!trace_init_backends(trace_events, trace_file)) {
4356 exit(1);
4357 }
4358 }
4359
4360 main_loop();
4361 bdrv_close_all();
4362 pause_all_vcpus();
4363 res_free();
4364 #ifdef CONFIG_TPM
4365 tpm_cleanup();
4366 #endif
4367
4368 return 0;
4369 }
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