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block: add tests for the 'blockdev-snapshot' command
[qemu.git] / vl.c
blob7d993a524308039d13a94a506c79f27a3787b320
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/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126 #include "qapi/qmp/qerror.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 DisplayType display_type = DT_DEFAULT;
136 int request_opengl = -1;
137 int display_opengl;
138 static int display_remote;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 int nb_nics;
145 NICInfo nd_table[MAX_NICS];
146 int autostart;
147 static int rtc_utc = 1;
148 static int rtc_date_offset = -1; /* -1 means no change */
149 QEMUClockType rtc_clock;
150 int vga_interface_type = VGA_NONE;
151 static int full_screen = 0;
152 static int no_frame = 0;
153 int no_quit = 0;
154 #ifdef CONFIG_GTK
155 static bool grab_on_hover;
156 #endif
157 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
158 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
159 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
162 int singlestep = 0;
163 int smp_cpus = 1;
164 int max_cpus = 0;
165 int smp_cores = 1;
166 int smp_threads = 1;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 uint8_t qemu_uuid[16];
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_sclp = 1;
212 static int default_monitor = 1;
213 static int default_floppy = 1;
214 static int default_cdrom = 1;
215 static int default_sdcard = 1;
216 static int default_vga = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
231 { .driver = "virtio-serial", .flag = &default_virtcon },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257 };
258
259 static QemuOptsList qemu_sandbox_opts = {
260 .name = "sandbox",
261 .implied_opt_name = "enable",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
263 .desc = {
264 {
265 .name = "enable",
266 .type = QEMU_OPT_BOOL,
267 },
268 { /* end of list */ }
269 },
270 };
271
272 static QemuOptsList qemu_trace_opts = {
273 .name = "trace",
274 .implied_opt_name = "trace",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
276 .desc = {
277 {
278 .name = "events",
279 .type = QEMU_OPT_STRING,
280 },{
281 .name = "file",
282 .type = QEMU_OPT_STRING,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
293 {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302 };
303
304 static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
310 /*
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
314 */
315 { }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_msg_opts = {
404 .name = "msg",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
406 .desc = {
407 {
408 .name = "timestamp",
409 .type = QEMU_OPT_BOOL,
410 },
411 { /* end of list */ }
412 },
413 };
414
415 static QemuOptsList qemu_name_opts = {
416 .name = "name",
417 .implied_opt_name = "guest",
418 .merge_lists = true,
419 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
420 .desc = {
421 {
422 .name = "guest",
423 .type = QEMU_OPT_STRING,
424 .help = "Sets the name of the guest.\n"
425 "This name will be displayed in the SDL window caption.\n"
426 "The name will also be used for the VNC server",
427 }, {
428 .name = "process",
429 .type = QEMU_OPT_STRING,
430 .help = "Sets the name of the QEMU process, as shown in top etc",
431 }, {
432 .name = "debug-threads",
433 .type = QEMU_OPT_BOOL,
434 .help = "When enabled, name the individual threads; defaults off.\n"
435 "NOTE: The thread names are for debugging and not a\n"
436 "stable API.",
437 },
438 { /* End of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_mem_opts = {
443 .name = "memory",
444 .implied_opt_name = "size",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
446 .merge_lists = true,
447 .desc = {
448 {
449 .name = "size",
450 .type = QEMU_OPT_SIZE,
451 },
452 {
453 .name = "slots",
454 .type = QEMU_OPT_NUMBER,
455 },
456 {
457 .name = "maxmem",
458 .type = QEMU_OPT_SIZE,
459 },
460 { /* end of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_icount_opts = {
465 .name = "icount",
466 .implied_opt_name = "shift",
467 .merge_lists = true,
468 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
469 .desc = {
470 {
471 .name = "shift",
472 .type = QEMU_OPT_STRING,
473 }, {
474 .name = "align",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "sleep",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "rr",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "rrfile",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_semihosting_config_opts = {
491 .name = "semihosting-config",
492 .implied_opt_name = "enable",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
494 .desc = {
495 {
496 .name = "enable",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "target",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "arg",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_fw_cfg_opts = {
510 .name = "fw_cfg",
511 .implied_opt_name = "name",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
513 .desc = {
514 {
515 .name = "name",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the fw_cfg name of the blob to be inserted",
518 }, {
519 .name = "file",
520 .type = QEMU_OPT_STRING,
521 .help = "Sets the name of the file from which\n"
522 "the fw_cfg blob will be loaded",
523 }, {
524 .name = "string",
525 .type = QEMU_OPT_STRING,
526 .help = "Sets content of the blob to be inserted from a string",
527 },
528 { /* end of list */ }
529 },
530 };
531
532 /**
533 * Get machine options
534 *
535 * Returns: machine options (never null).
536 */
537 QemuOpts *qemu_get_machine_opts(void)
538 {
539 return qemu_find_opts_singleton("machine");
540 }
541
542 const char *qemu_get_vm_name(void)
543 {
544 return qemu_name;
545 }
546
547 static void res_free(void)
548 {
549 g_free(boot_splash_filedata);
550 boot_splash_filedata = NULL;
551 }
552
553 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
554 {
555 const char *driver = qemu_opt_get(opts, "driver");
556 int i;
557
558 if (!driver)
559 return 0;
560 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
561 if (strcmp(default_list[i].driver, driver) != 0)
562 continue;
563 *(default_list[i].flag) = 0;
564 }
565 return 0;
566 }
567
568 /***********************************************************/
569 /* QEMU state */
570
571 static RunState current_run_state = RUN_STATE_PRELAUNCH;
572
573 /* We use RUN_STATE_MAX but any invalid value will do */
574 static RunState vmstop_requested = RUN_STATE_MAX;
575 static QemuMutex vmstop_lock;
576
577 typedef struct {
578 RunState from;
579 RunState to;
580 } RunStateTransition;
581
582 static const RunStateTransition runstate_transitions_def[] = {
583 /* from -> to */
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586
587 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
594 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
595 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
604 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
610 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
612
613 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
614 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
615
616 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
617
618 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
619 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
620 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
621 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
622 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
624 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
625 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
626 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
627 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
628
629 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
630
631 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
632 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
635 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
636 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
637 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
638
639 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
640 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
643 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE_MAX, RUN_STATE_MAX },
646 };
647
648 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
649
650 bool runstate_check(RunState state)
651 {
652 return current_run_state == state;
653 }
654
655 bool runstate_store(char *str, size_t size)
656 {
657 const char *state = RunState_lookup[current_run_state];
658 size_t len = strlen(state) + 1;
659
660 if (len > size) {
661 return false;
662 }
663 memcpy(str, state, len);
664 return true;
665 }
666
667 static void runstate_init(void)
668 {
669 const RunStateTransition *p;
670
671 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
672 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
673 runstate_valid_transitions[p->from][p->to] = true;
674 }
675
676 qemu_mutex_init(&vmstop_lock);
677 }
678
679 /* This function will abort() on invalid state transitions */
680 void runstate_set(RunState new_state)
681 {
682 assert(new_state < RUN_STATE_MAX);
683
684 if (!runstate_valid_transitions[current_run_state][new_state]) {
685 error_report("invalid runstate transition: '%s' -> '%s'",
686 RunState_lookup[current_run_state],
687 RunState_lookup[new_state]);
688 abort();
689 }
690 trace_runstate_set(new_state);
691 current_run_state = new_state;
692 }
693
694 int runstate_is_running(void)
695 {
696 return runstate_check(RUN_STATE_RUNNING);
697 }
698
699 bool runstate_needs_reset(void)
700 {
701 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
702 runstate_check(RUN_STATE_SHUTDOWN);
703 }
704
705 StatusInfo *qmp_query_status(Error **errp)
706 {
707 StatusInfo *info = g_malloc0(sizeof(*info));
708
709 info->running = runstate_is_running();
710 info->singlestep = singlestep;
711 info->status = current_run_state;
712
713 return info;
714 }
715
716 static bool qemu_vmstop_requested(RunState *r)
717 {
718 qemu_mutex_lock(&vmstop_lock);
719 *r = vmstop_requested;
720 vmstop_requested = RUN_STATE_MAX;
721 qemu_mutex_unlock(&vmstop_lock);
722 return *r < RUN_STATE_MAX;
723 }
724
725 void qemu_system_vmstop_request_prepare(void)
726 {
727 qemu_mutex_lock(&vmstop_lock);
728 }
729
730 void qemu_system_vmstop_request(RunState state)
731 {
732 vmstop_requested = state;
733 qemu_mutex_unlock(&vmstop_lock);
734 qemu_notify_event();
735 }
736
737 void vm_start(void)
738 {
739 RunState requested;
740
741 qemu_vmstop_requested(&requested);
742 if (runstate_is_running() && requested == RUN_STATE_MAX) {
743 return;
744 }
745
746 /* Ensure that a STOP/RESUME pair of events is emitted if a
747 * vmstop request was pending. The BLOCK_IO_ERROR event, for
748 * example, according to documentation is always followed by
749 * the STOP event.
750 */
751 if (runstate_is_running()) {
752 qapi_event_send_stop(&error_abort);
753 } else {
754 cpu_enable_ticks();
755 runstate_set(RUN_STATE_RUNNING);
756 vm_state_notify(1, RUN_STATE_RUNNING);
757 resume_all_vcpus();
758 }
759
760 qapi_event_send_resume(&error_abort);
761 }
762
763
764 /***********************************************************/
765 /* real time host monotonic timer */
766
767 static time_t qemu_time(void)
768 {
769 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
770 }
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti = qemu_time();
777
778 ti += offset;
779 if (rtc_date_offset == -1) {
780 if (rtc_utc)
781 gmtime_r(&ti, tm);
782 else
783 localtime_r(&ti, tm);
784 } else {
785 ti -= rtc_date_offset;
786 gmtime_r(&ti, tm);
787 }
788 }
789
790 int qemu_timedate_diff(struct tm *tm)
791 {
792 time_t seconds;
793
794 if (rtc_date_offset == -1)
795 if (rtc_utc)
796 seconds = mktimegm(tm);
797 else {
798 struct tm tmp = *tm;
799 tmp.tm_isdst = -1; /* use timezone to figure it out */
800 seconds = mktime(&tmp);
801 }
802 else
803 seconds = mktimegm(tm) + rtc_date_offset;
804
805 return seconds - qemu_time();
806 }
807
808 static void configure_rtc_date_offset(const char *startdate, int legacy)
809 {
810 time_t rtc_start_date;
811 struct tm tm;
812
813 if (!strcmp(startdate, "now") && legacy) {
814 rtc_date_offset = -1;
815 } else {
816 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday,
820 &tm.tm_hour,
821 &tm.tm_min,
822 &tm.tm_sec) == 6) {
823 /* OK */
824 } else if (sscanf(startdate, "%d-%d-%d",
825 &tm.tm_year,
826 &tm.tm_mon,
827 &tm.tm_mday) == 3) {
828 tm.tm_hour = 0;
829 tm.tm_min = 0;
830 tm.tm_sec = 0;
831 } else {
832 goto date_fail;
833 }
834 tm.tm_year -= 1900;
835 tm.tm_mon--;
836 rtc_start_date = mktimegm(&tm);
837 if (rtc_start_date == -1) {
838 date_fail:
839 error_report("invalid date format");
840 error_printf("valid formats: "
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = qemu_time() - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 Error *blocker = NULL;
858 rtc_utc = 0;
859 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
860 "-rtc base=localtime");
861 replay_add_blocker(blocker);
862 } else {
863 configure_rtc_date_offset(value, 0);
864 }
865 }
866 value = qemu_opt_get(opts, "clock");
867 if (value) {
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
874 } else {
875 error_report("invalid option value '%s'", value);
876 exit(1);
877 }
878 }
879 value = qemu_opt_get(opts, "driftfix");
880 if (value) {
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks[] = {
883 {
884 .driver = "mc146818rtc",
885 .property = "lost_tick_policy",
886 .value = "slew",
887 },
888 { /* end of list */ }
889 };
890
891 qdev_prop_register_global_list(slew_lost_ticks);
892 } else if (!strcmp(value, "none")) {
893 /* discard is default */
894 } else {
895 error_report("invalid option value '%s'", value);
896 exit(1);
897 }
898 }
899 }
900
901 /***********************************************************/
902 /* Bluetooth support */
903 static int nb_hcis;
904 static int cur_hci;
905 static struct HCIInfo *hci_table[MAX_NICS];
906
907 struct HCIInfo *qemu_next_hci(void)
908 {
909 if (cur_hci == nb_hcis)
910 return &null_hci;
911
912 return hci_table[cur_hci++];
913 }
914
915 static int bt_hci_parse(const char *str)
916 {
917 struct HCIInfo *hci;
918 bdaddr_t bdaddr;
919
920 if (nb_hcis >= MAX_NICS) {
921 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
922 return -1;
923 }
924
925 hci = hci_init(str);
926 if (!hci)
927 return -1;
928
929 bdaddr.b[0] = 0x52;
930 bdaddr.b[1] = 0x54;
931 bdaddr.b[2] = 0x00;
932 bdaddr.b[3] = 0x12;
933 bdaddr.b[4] = 0x34;
934 bdaddr.b[5] = 0x56 + nb_hcis;
935 hci->bdaddr_set(hci, bdaddr.b);
936
937 hci_table[nb_hcis++] = hci;
938
939 return 0;
940 }
941
942 static void bt_vhci_add(int vlan_id)
943 {
944 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
945
946 if (!vlan->slave)
947 error_report("warning: adding a VHCI to an empty scatternet %i",
948 vlan_id);
949
950 bt_vhci_init(bt_new_hci(vlan));
951 }
952
953 static struct bt_device_s *bt_device_add(const char *opt)
954 {
955 struct bt_scatternet_s *vlan;
956 int vlan_id = 0;
957 char *endp = strstr(opt, ",vlan=");
958 int len = (endp ? endp - opt : strlen(opt)) + 1;
959 char devname[10];
960
961 pstrcpy(devname, MIN(sizeof(devname), len), opt);
962
963 if (endp) {
964 vlan_id = strtol(endp + 6, &endp, 0);
965 if (*endp) {
966 error_report("unrecognised bluetooth vlan Id");
967 return 0;
968 }
969 }
970
971 vlan = qemu_find_bt_vlan(vlan_id);
972
973 if (!vlan->slave)
974 error_report("warning: adding a slave device to an empty scatternet %i",
975 vlan_id);
976
977 if (!strcmp(devname, "keyboard"))
978 return bt_keyboard_init(vlan);
979
980 error_report("unsupported bluetooth device '%s'", devname);
981 return 0;
982 }
983
984 static int bt_parse(const char *opt)
985 {
986 const char *endp, *p;
987 int vlan;
988
989 if (strstart(opt, "hci", &endp)) {
990 if (!*endp || *endp == ',') {
991 if (*endp)
992 if (!strstart(endp, ",vlan=", 0))
993 opt = endp + 1;
994
995 return bt_hci_parse(opt);
996 }
997 } else if (strstart(opt, "vhci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp) {
1000 if (strstart(endp, ",vlan=", &p)) {
1001 vlan = strtol(p, (char **) &endp, 0);
1002 if (*endp) {
1003 error_report("bad scatternet '%s'", p);
1004 return 1;
1005 }
1006 } else {
1007 error_report("bad parameter '%s'", endp + 1);
1008 return 1;
1009 }
1010 } else
1011 vlan = 0;
1012
1013 bt_vhci_add(vlan);
1014 return 0;
1015 }
1016 } else if (strstart(opt, "device:", &endp))
1017 return !bt_device_add(endp);
1018
1019 error_report("bad bluetooth parameter '%s'", opt);
1020 return 1;
1021 }
1022
1023 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1024 {
1025 /* FIXME: change this to true for 1.3 */
1026 if (qemu_opt_get_bool(opts, "enable", false)) {
1027 #ifdef CONFIG_SECCOMP
1028 if (seccomp_start() < 0) {
1029 error_report("failed to install seccomp syscall filter "
1030 "in the kernel");
1031 return -1;
1032 }
1033 #else
1034 error_report("seccomp support is disabled");
1035 return -1;
1036 #endif
1037 }
1038
1039 return 0;
1040 }
1041
1042 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1043 {
1044 const char *proc_name;
1045
1046 if (qemu_opt_get(opts, "debug-threads")) {
1047 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1048 }
1049 qemu_name = qemu_opt_get(opts, "guest");
1050
1051 proc_name = qemu_opt_get(opts, "process");
1052 if (proc_name) {
1053 os_set_proc_name(proc_name);
1054 }
1055
1056 return 0;
1057 }
1058
1059 bool defaults_enabled(void)
1060 {
1061 return has_defaults;
1062 }
1063
1064 bool usb_enabled(void)
1065 {
1066 return machine_usb(current_machine);
1067 }
1068
1069 #ifndef _WIN32
1070 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1071 {
1072 int fd, dupfd, flags;
1073 int64_t fdset_id;
1074 const char *fd_opaque = NULL;
1075 AddfdInfo *fdinfo;
1076
1077 fd = qemu_opt_get_number(opts, "fd", -1);
1078 fdset_id = qemu_opt_get_number(opts, "set", -1);
1079 fd_opaque = qemu_opt_get(opts, "opaque");
1080
1081 if (fd < 0) {
1082 error_report("fd option is required and must be non-negative");
1083 return -1;
1084 }
1085
1086 if (fd <= STDERR_FILENO) {
1087 error_report("fd cannot be a standard I/O stream");
1088 return -1;
1089 }
1090
1091 /*
1092 * All fds inherited across exec() necessarily have FD_CLOEXEC
1093 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1094 */
1095 flags = fcntl(fd, F_GETFD);
1096 if (flags == -1 || (flags & FD_CLOEXEC)) {
1097 error_report("fd is not valid or already in use");
1098 return -1;
1099 }
1100
1101 if (fdset_id < 0) {
1102 error_report("set option is required and must be non-negative");
1103 return -1;
1104 }
1105
1106 #ifdef F_DUPFD_CLOEXEC
1107 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1108 #else
1109 dupfd = dup(fd);
1110 if (dupfd != -1) {
1111 qemu_set_cloexec(dupfd);
1112 }
1113 #endif
1114 if (dupfd == -1) {
1115 error_report("error duplicating fd: %s", strerror(errno));
1116 return -1;
1117 }
1118
1119 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1120 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1121 &error_abort);
1122 g_free(fdinfo);
1123
1124 return 0;
1125 }
1126
1127 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1128 {
1129 int fd;
1130
1131 fd = qemu_opt_get_number(opts, "fd", -1);
1132 close(fd);
1133
1134 return 0;
1135 }
1136 #endif
1137
1138 /***********************************************************/
1139 /* QEMU Block devices */
1140
1141 #define HD_OPTS "media=disk"
1142 #define CDROM_OPTS "media=cdrom"
1143 #define FD_OPTS ""
1144 #define PFLASH_OPTS ""
1145 #define MTD_OPTS ""
1146 #define SD_OPTS ""
1147
1148 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1149 {
1150 BlockInterfaceType *block_default_type = opaque;
1151
1152 return drive_new(opts, *block_default_type) == NULL;
1153 }
1154
1155 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1156 {
1157 if (qemu_opt_get(opts, "snapshot") == NULL) {
1158 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1159 }
1160 return 0;
1161 }
1162
1163 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1164 int index, const char *optstr)
1165 {
1166 QemuOpts *opts;
1167 DriveInfo *dinfo;
1168
1169 if (!enable || drive_get_by_index(type, index)) {
1170 return;
1171 }
1172
1173 opts = drive_add(type, index, NULL, optstr);
1174 if (snapshot) {
1175 drive_enable_snapshot(NULL, opts, NULL);
1176 }
1177
1178 dinfo = drive_new(opts, type);
1179 if (!dinfo) {
1180 exit(1);
1181 }
1182 dinfo->is_default = true;
1183
1184 }
1185
1186 static QemuOptsList qemu_smp_opts = {
1187 .name = "smp-opts",
1188 .implied_opt_name = "cpus",
1189 .merge_lists = true,
1190 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1191 .desc = {
1192 {
1193 .name = "cpus",
1194 .type = QEMU_OPT_NUMBER,
1195 }, {
1196 .name = "sockets",
1197 .type = QEMU_OPT_NUMBER,
1198 }, {
1199 .name = "cores",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "threads",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "maxcpus",
1206 .type = QEMU_OPT_NUMBER,
1207 },
1208 { /*End of list */ }
1209 },
1210 };
1211
1212 static void smp_parse(QemuOpts *opts)
1213 {
1214 if (opts) {
1215
1216 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1217 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1218 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1219 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1220
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus == 0 || sockets == 0) {
1223 sockets = sockets > 0 ? sockets : 1;
1224 cores = cores > 0 ? cores : 1;
1225 threads = threads > 0 ? threads : 1;
1226 if (cpus == 0) {
1227 cpus = cores * threads * sockets;
1228 }
1229 } else if (cores == 0) {
1230 threads = threads > 0 ? threads : 1;
1231 cores = cpus / (sockets * threads);
1232 } else if (threads == 0) {
1233 threads = cpus / (cores * sockets);
1234 } else if (sockets * cores * threads < cpus) {
1235 error_report("cpu topology: "
1236 "sockets (%u) * cores (%u) * threads (%u) < "
1237 "smp_cpus (%u)",
1238 sockets, cores, threads, cpus);
1239 exit(1);
1240 }
1241
1242 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1243 if (sockets * cores * threads > max_cpus) {
1244 error_report("cpu topology: "
1245 "sockets (%u) * cores (%u) * threads (%u) > "
1246 "maxcpus (%u)",
1247 sockets, cores, threads, max_cpus);
1248 exit(1);
1249 }
1250
1251 smp_cpus = cpus;
1252 smp_cores = cores > 0 ? cores : 1;
1253 smp_threads = threads > 0 ? threads : 1;
1254
1255 }
1256
1257 if (max_cpus == 0) {
1258 max_cpus = smp_cpus;
1259 }
1260
1261 if (max_cpus > MAX_CPUMASK_BITS) {
1262 error_report("unsupported number of maxcpus");
1263 exit(1);
1264 }
1265 if (max_cpus < smp_cpus) {
1266 error_report("maxcpus must be equal to or greater than smp");
1267 exit(1);
1268 }
1269
1270 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1271 Error *blocker = NULL;
1272 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1273 replay_add_blocker(blocker);
1274 }
1275 }
1276
1277 static void realtime_init(void)
1278 {
1279 if (enable_mlock) {
1280 if (os_mlock() < 0) {
1281 error_report("locking memory failed");
1282 exit(1);
1283 }
1284 }
1285 }
1286
1287
1288 static void configure_msg(QemuOpts *opts)
1289 {
1290 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1291 }
1292
1293 /***********************************************************/
1294 /* Semihosting */
1295
1296 typedef struct SemihostingConfig {
1297 bool enabled;
1298 SemihostingTarget target;
1299 const char **argv;
1300 int argc;
1301 const char *cmdline; /* concatenated argv */
1302 } SemihostingConfig;
1303
1304 static SemihostingConfig semihosting;
1305
1306 bool semihosting_enabled(void)
1307 {
1308 return semihosting.enabled;
1309 }
1310
1311 SemihostingTarget semihosting_get_target(void)
1312 {
1313 return semihosting.target;
1314 }
1315
1316 const char *semihosting_get_arg(int i)
1317 {
1318 if (i >= semihosting.argc) {
1319 return NULL;
1320 }
1321 return semihosting.argv[i];
1322 }
1323
1324 int semihosting_get_argc(void)
1325 {
1326 return semihosting.argc;
1327 }
1328
1329 const char *semihosting_get_cmdline(void)
1330 {
1331 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1332 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1333 }
1334 return semihosting.cmdline;
1335 }
1336
1337 static int add_semihosting_arg(void *opaque,
1338 const char *name, const char *val,
1339 Error **errp)
1340 {
1341 SemihostingConfig *s = opaque;
1342 if (strcmp(name, "arg") == 0) {
1343 s->argc++;
1344 /* one extra element as g_strjoinv() expects NULL-terminated array */
1345 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1346 s->argv[s->argc - 1] = val;
1347 s->argv[s->argc] = NULL;
1348 }
1349 return 0;
1350 }
1351
1352 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1353 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1354 {
1355 char *cmd_token;
1356
1357 /* argv[0] */
1358 add_semihosting_arg(&semihosting, "arg", file, NULL);
1359
1360 /* split -append and initialize argv[1..n] */
1361 cmd_token = strtok(g_strdup(cmd), " ");
1362 while (cmd_token) {
1363 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1364 cmd_token = strtok(NULL, " ");
1365 }
1366 }
1367
1368 /* Now we still need this for compatibility with XEN. */
1369 bool has_igd_gfx_passthru;
1370 static void igd_gfx_passthru(void)
1371 {
1372 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1373 }
1374
1375 /***********************************************************/
1376 /* USB devices */
1377
1378 static int usb_device_add(const char *devname)
1379 {
1380 USBDevice *dev = NULL;
1381 #ifndef CONFIG_LINUX
1382 const char *p;
1383 #endif
1384
1385 if (!usb_enabled()) {
1386 return -1;
1387 }
1388
1389 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1390 dev = usbdevice_create(devname);
1391 if (dev)
1392 goto done;
1393
1394 /* the other ones */
1395 #ifndef CONFIG_LINUX
1396 /* only the linux version is qdev-ified, usb-bsd still needs this */
1397 if (strstart(devname, "host:", &p)) {
1398 dev = usb_host_device_open(usb_bus_find(-1), p);
1399 }
1400 #endif
1401 if (!dev)
1402 return -1;
1403
1404 done:
1405 return 0;
1406 }
1407
1408 static int usb_device_del(const char *devname)
1409 {
1410 int bus_num, addr;
1411 const char *p;
1412
1413 if (strstart(devname, "host:", &p)) {
1414 return -1;
1415 }
1416
1417 if (!usb_enabled()) {
1418 return -1;
1419 }
1420
1421 p = strchr(devname, '.');
1422 if (!p)
1423 return -1;
1424 bus_num = strtoul(devname, NULL, 0);
1425 addr = strtoul(p + 1, NULL, 0);
1426
1427 return usb_device_delete_addr(bus_num, addr);
1428 }
1429
1430 static int usb_parse(const char *cmdline)
1431 {
1432 int r;
1433 r = usb_device_add(cmdline);
1434 if (r < 0) {
1435 error_report("could not add USB device '%s'", cmdline);
1436 }
1437 return r;
1438 }
1439
1440 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1441 {
1442 const char *devname = qdict_get_str(qdict, "devname");
1443 if (usb_device_add(devname) < 0) {
1444 error_report("could not add USB device '%s'", devname);
1445 }
1446 }
1447
1448 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1449 {
1450 const char *devname = qdict_get_str(qdict, "devname");
1451 if (usb_device_del(devname) < 0) {
1452 error_report("could not delete USB device '%s'", devname);
1453 }
1454 }
1455
1456 /***********************************************************/
1457 /* machine registration */
1458
1459 MachineState *current_machine;
1460
1461 static MachineClass *find_machine(const char *name)
1462 {
1463 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1464 MachineClass *mc = NULL;
1465
1466 for (el = machines; el; el = el->next) {
1467 MachineClass *temp = el->data;
1468
1469 if (!strcmp(temp->name, name)) {
1470 mc = temp;
1471 break;
1472 }
1473 if (temp->alias &&
1474 !strcmp(temp->alias, name)) {
1475 mc = temp;
1476 break;
1477 }
1478 }
1479
1480 g_slist_free(machines);
1481 return mc;
1482 }
1483
1484 MachineClass *find_default_machine(void)
1485 {
1486 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1487 MachineClass *mc = NULL;
1488
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *temp = el->data;
1491
1492 if (temp->is_default) {
1493 mc = temp;
1494 break;
1495 }
1496 }
1497
1498 g_slist_free(machines);
1499 return mc;
1500 }
1501
1502 MachineInfoList *qmp_query_machines(Error **errp)
1503 {
1504 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1505 MachineInfoList *mach_list = NULL;
1506
1507 for (el = machines; el; el = el->next) {
1508 MachineClass *mc = el->data;
1509 MachineInfoList *entry;
1510 MachineInfo *info;
1511
1512 info = g_malloc0(sizeof(*info));
1513 if (mc->is_default) {
1514 info->has_is_default = true;
1515 info->is_default = true;
1516 }
1517
1518 if (mc->alias) {
1519 info->has_alias = true;
1520 info->alias = g_strdup(mc->alias);
1521 }
1522
1523 info->name = g_strdup(mc->name);
1524 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1525
1526 entry = g_malloc0(sizeof(*entry));
1527 entry->value = info;
1528 entry->next = mach_list;
1529 mach_list = entry;
1530 }
1531
1532 g_slist_free(machines);
1533 return mach_list;
1534 }
1535
1536 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1537 {
1538 ObjectProperty *prop;
1539
1540 if (!qemu_opt_has_help_opt(opts)) {
1541 return 0;
1542 }
1543
1544 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1545 if (!prop->set) {
1546 continue;
1547 }
1548
1549 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1550 prop->name, prop->type);
1551 if (prop->description) {
1552 error_printf(" (%s)\n", prop->description);
1553 } else {
1554 error_printf("\n");
1555 }
1556 }
1557
1558 return 1;
1559 }
1560
1561 /***********************************************************/
1562 /* main execution loop */
1563
1564 struct vm_change_state_entry {
1565 VMChangeStateHandler *cb;
1566 void *opaque;
1567 QLIST_ENTRY (vm_change_state_entry) entries;
1568 };
1569
1570 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1571
1572 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1573 void *opaque)
1574 {
1575 VMChangeStateEntry *e;
1576
1577 e = g_malloc0(sizeof (*e));
1578
1579 e->cb = cb;
1580 e->opaque = opaque;
1581 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1582 return e;
1583 }
1584
1585 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1586 {
1587 QLIST_REMOVE (e, entries);
1588 g_free (e);
1589 }
1590
1591 void vm_state_notify(int running, RunState state)
1592 {
1593 VMChangeStateEntry *e, *next;
1594
1595 trace_vm_state_notify(running, state);
1596
1597 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1598 e->cb(e->opaque, running, state);
1599 }
1600 }
1601
1602 /* reset/shutdown handler */
1603
1604 typedef struct QEMUResetEntry {
1605 QTAILQ_ENTRY(QEMUResetEntry) entry;
1606 QEMUResetHandler *func;
1607 void *opaque;
1608 } QEMUResetEntry;
1609
1610 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1611 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1612 static int reset_requested;
1613 static int shutdown_requested, shutdown_signal = -1;
1614 static pid_t shutdown_pid;
1615 static int powerdown_requested;
1616 static int debug_requested;
1617 static int suspend_requested;
1618 static WakeupReason wakeup_reason;
1619 static NotifierList powerdown_notifiers =
1620 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1621 static NotifierList suspend_notifiers =
1622 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1623 static NotifierList wakeup_notifiers =
1624 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1625 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1626
1627 int qemu_shutdown_requested_get(void)
1628 {
1629 return shutdown_requested;
1630 }
1631
1632 int qemu_reset_requested_get(void)
1633 {
1634 return reset_requested;
1635 }
1636
1637 static int qemu_shutdown_requested(void)
1638 {
1639 return atomic_xchg(&shutdown_requested, 0);
1640 }
1641
1642 static void qemu_kill_report(void)
1643 {
1644 if (!qtest_driver() && shutdown_signal != -1) {
1645 if (shutdown_pid == 0) {
1646 /* This happens for eg ^C at the terminal, so it's worth
1647 * avoiding printing an odd message in that case.
1648 */
1649 error_report("terminating on signal %d", shutdown_signal);
1650 } else {
1651 error_report("terminating on signal %d from pid " FMT_pid,
1652 shutdown_signal, shutdown_pid);
1653 }
1654 shutdown_signal = -1;
1655 }
1656 }
1657
1658 static int qemu_reset_requested(void)
1659 {
1660 int r = reset_requested;
1661 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1662 reset_requested = 0;
1663 return r;
1664 }
1665 return false;
1666 }
1667
1668 static int qemu_suspend_requested(void)
1669 {
1670 int r = suspend_requested;
1671 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1672 suspend_requested = 0;
1673 return r;
1674 }
1675 return false;
1676 }
1677
1678 static WakeupReason qemu_wakeup_requested(void)
1679 {
1680 return wakeup_reason;
1681 }
1682
1683 static int qemu_powerdown_requested(void)
1684 {
1685 int r = powerdown_requested;
1686 powerdown_requested = 0;
1687 return r;
1688 }
1689
1690 static int qemu_debug_requested(void)
1691 {
1692 int r = debug_requested;
1693 debug_requested = 0;
1694 return r;
1695 }
1696
1697 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1698 {
1699 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1700
1701 re->func = func;
1702 re->opaque = opaque;
1703 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1704 }
1705
1706 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1707 {
1708 QEMUResetEntry *re;
1709
1710 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1711 if (re->func == func && re->opaque == opaque) {
1712 QTAILQ_REMOVE(&reset_handlers, re, entry);
1713 g_free(re);
1714 return;
1715 }
1716 }
1717 }
1718
1719 void qemu_devices_reset(void)
1720 {
1721 QEMUResetEntry *re, *nre;
1722
1723 /* reset all devices */
1724 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1725 re->func(re->opaque);
1726 }
1727 }
1728
1729 void qemu_system_reset(bool report)
1730 {
1731 MachineClass *mc;
1732
1733 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1734
1735 if (mc && mc->reset) {
1736 mc->reset();
1737 } else {
1738 qemu_devices_reset();
1739 }
1740 if (report) {
1741 qapi_event_send_reset(&error_abort);
1742 }
1743 cpu_synchronize_all_post_reset();
1744 }
1745
1746 void qemu_system_guest_panicked(void)
1747 {
1748 if (current_cpu) {
1749 current_cpu->crash_occurred = true;
1750 }
1751 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1752 vm_stop(RUN_STATE_GUEST_PANICKED);
1753 }
1754
1755 void qemu_system_reset_request(void)
1756 {
1757 if (no_reboot) {
1758 shutdown_requested = 1;
1759 } else {
1760 reset_requested = 1;
1761 }
1762 cpu_stop_current();
1763 qemu_notify_event();
1764 }
1765
1766 static void qemu_system_suspend(void)
1767 {
1768 pause_all_vcpus();
1769 notifier_list_notify(&suspend_notifiers, NULL);
1770 runstate_set(RUN_STATE_SUSPENDED);
1771 qapi_event_send_suspend(&error_abort);
1772 }
1773
1774 void qemu_system_suspend_request(void)
1775 {
1776 if (runstate_check(RUN_STATE_SUSPENDED)) {
1777 return;
1778 }
1779 suspend_requested = 1;
1780 cpu_stop_current();
1781 qemu_notify_event();
1782 }
1783
1784 void qemu_register_suspend_notifier(Notifier *notifier)
1785 {
1786 notifier_list_add(&suspend_notifiers, notifier);
1787 }
1788
1789 void qemu_system_wakeup_request(WakeupReason reason)
1790 {
1791 trace_system_wakeup_request(reason);
1792
1793 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1794 return;
1795 }
1796 if (!(wakeup_reason_mask & (1 << reason))) {
1797 return;
1798 }
1799 runstate_set(RUN_STATE_RUNNING);
1800 wakeup_reason = reason;
1801 qemu_notify_event();
1802 }
1803
1804 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1805 {
1806 if (enabled) {
1807 wakeup_reason_mask |= (1 << reason);
1808 } else {
1809 wakeup_reason_mask &= ~(1 << reason);
1810 }
1811 }
1812
1813 void qemu_register_wakeup_notifier(Notifier *notifier)
1814 {
1815 notifier_list_add(&wakeup_notifiers, notifier);
1816 }
1817
1818 void qemu_system_killed(int signal, pid_t pid)
1819 {
1820 shutdown_signal = signal;
1821 shutdown_pid = pid;
1822 no_shutdown = 0;
1823
1824 /* Cannot call qemu_system_shutdown_request directly because
1825 * we are in a signal handler.
1826 */
1827 shutdown_requested = 1;
1828 qemu_notify_event();
1829 }
1830
1831 void qemu_system_shutdown_request(void)
1832 {
1833 trace_qemu_system_shutdown_request();
1834 replay_shutdown_request();
1835 shutdown_requested = 1;
1836 qemu_notify_event();
1837 }
1838
1839 static void qemu_system_powerdown(void)
1840 {
1841 qapi_event_send_powerdown(&error_abort);
1842 notifier_list_notify(&powerdown_notifiers, NULL);
1843 }
1844
1845 void qemu_system_powerdown_request(void)
1846 {
1847 trace_qemu_system_powerdown_request();
1848 powerdown_requested = 1;
1849 qemu_notify_event();
1850 }
1851
1852 void qemu_register_powerdown_notifier(Notifier *notifier)
1853 {
1854 notifier_list_add(&powerdown_notifiers, notifier);
1855 }
1856
1857 void qemu_system_debug_request(void)
1858 {
1859 debug_requested = 1;
1860 qemu_notify_event();
1861 }
1862
1863 static bool main_loop_should_exit(void)
1864 {
1865 RunState r;
1866 if (qemu_debug_requested()) {
1867 vm_stop(RUN_STATE_DEBUG);
1868 }
1869 if (qemu_suspend_requested()) {
1870 qemu_system_suspend();
1871 }
1872 if (qemu_shutdown_requested()) {
1873 qemu_kill_report();
1874 qapi_event_send_shutdown(&error_abort);
1875 if (no_shutdown) {
1876 vm_stop(RUN_STATE_SHUTDOWN);
1877 } else {
1878 return true;
1879 }
1880 }
1881 if (qemu_reset_requested()) {
1882 pause_all_vcpus();
1883 cpu_synchronize_all_states();
1884 qemu_system_reset(VMRESET_REPORT);
1885 resume_all_vcpus();
1886 if (runstate_needs_reset()) {
1887 runstate_set(RUN_STATE_PAUSED);
1888 }
1889 }
1890 if (qemu_wakeup_requested()) {
1891 pause_all_vcpus();
1892 cpu_synchronize_all_states();
1893 qemu_system_reset(VMRESET_SILENT);
1894 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1895 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1896 resume_all_vcpus();
1897 qapi_event_send_wakeup(&error_abort);
1898 }
1899 if (qemu_powerdown_requested()) {
1900 qemu_system_powerdown();
1901 }
1902 if (qemu_vmstop_requested(&r)) {
1903 vm_stop(r);
1904 }
1905 return false;
1906 }
1907
1908 static void main_loop(void)
1909 {
1910 bool nonblocking;
1911 int last_io = 0;
1912 #ifdef CONFIG_PROFILER
1913 int64_t ti;
1914 #endif
1915 do {
1916 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1917 #ifdef CONFIG_PROFILER
1918 ti = profile_getclock();
1919 #endif
1920 last_io = main_loop_wait(nonblocking);
1921 #ifdef CONFIG_PROFILER
1922 dev_time += profile_getclock() - ti;
1923 #endif
1924 } while (!main_loop_should_exit());
1925 }
1926
1927 static void version(void)
1928 {
1929 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1930 }
1931
1932 static void help(int exitcode)
1933 {
1934 version();
1935 printf("usage: %s [options] [disk_image]\n\n"
1936 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1937 error_get_progname());
1938
1939 #define QEMU_OPTIONS_GENERATE_HELP
1940 #include "qemu-options-wrapper.h"
1941
1942 printf("\nDuring emulation, the following keys are useful:\n"
1943 "ctrl-alt-f toggle full screen\n"
1944 "ctrl-alt-n switch to virtual console 'n'\n"
1945 "ctrl-alt toggle mouse and keyboard grab\n"
1946 "\n"
1947 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1948
1949 exit(exitcode);
1950 }
1951
1952 #define HAS_ARG 0x0001
1953
1954 typedef struct QEMUOption {
1955 const char *name;
1956 int flags;
1957 int index;
1958 uint32_t arch_mask;
1959 } QEMUOption;
1960
1961 static const QEMUOption qemu_options[] = {
1962 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1963 #define QEMU_OPTIONS_GENERATE_OPTIONS
1964 #include "qemu-options-wrapper.h"
1965 { NULL },
1966 };
1967
1968 static bool vga_available(void)
1969 {
1970 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1971 }
1972
1973 static bool cirrus_vga_available(void)
1974 {
1975 return object_class_by_name("cirrus-vga")
1976 || object_class_by_name("isa-cirrus-vga");
1977 }
1978
1979 static bool vmware_vga_available(void)
1980 {
1981 return object_class_by_name("vmware-svga");
1982 }
1983
1984 static bool qxl_vga_available(void)
1985 {
1986 return object_class_by_name("qxl-vga");
1987 }
1988
1989 static bool tcx_vga_available(void)
1990 {
1991 return object_class_by_name("SUNW,tcx");
1992 }
1993
1994 static bool cg3_vga_available(void)
1995 {
1996 return object_class_by_name("cgthree");
1997 }
1998
1999 static bool virtio_vga_available(void)
2000 {
2001 return object_class_by_name("virtio-vga");
2002 }
2003
2004 static void select_vgahw (const char *p)
2005 {
2006 const char *opts;
2007
2008 assert(vga_interface_type == VGA_NONE);
2009 if (strstart(p, "std", &opts)) {
2010 if (vga_available()) {
2011 vga_interface_type = VGA_STD;
2012 } else {
2013 error_report("standard VGA not available");
2014 exit(0);
2015 }
2016 } else if (strstart(p, "cirrus", &opts)) {
2017 if (cirrus_vga_available()) {
2018 vga_interface_type = VGA_CIRRUS;
2019 } else {
2020 error_report("Cirrus VGA not available");
2021 exit(0);
2022 }
2023 } else if (strstart(p, "vmware", &opts)) {
2024 if (vmware_vga_available()) {
2025 vga_interface_type = VGA_VMWARE;
2026 } else {
2027 error_report("VMWare SVGA not available");
2028 exit(0);
2029 }
2030 } else if (strstart(p, "virtio", &opts)) {
2031 if (virtio_vga_available()) {
2032 vga_interface_type = VGA_VIRTIO;
2033 } else {
2034 error_report("Virtio VGA not available");
2035 exit(0);
2036 }
2037 } else if (strstart(p, "xenfb", &opts)) {
2038 vga_interface_type = VGA_XENFB;
2039 } else if (strstart(p, "qxl", &opts)) {
2040 if (qxl_vga_available()) {
2041 vga_interface_type = VGA_QXL;
2042 } else {
2043 error_report("QXL VGA not available");
2044 exit(0);
2045 }
2046 } else if (strstart(p, "tcx", &opts)) {
2047 if (tcx_vga_available()) {
2048 vga_interface_type = VGA_TCX;
2049 } else {
2050 error_report("TCX framebuffer not available");
2051 exit(0);
2052 }
2053 } else if (strstart(p, "cg3", &opts)) {
2054 if (cg3_vga_available()) {
2055 vga_interface_type = VGA_CG3;
2056 } else {
2057 error_report("CG3 framebuffer not available");
2058 exit(0);
2059 }
2060 } else if (!strstart(p, "none", &opts)) {
2061 invalid_vga:
2062 error_report("unknown vga type: %s", p);
2063 exit(1);
2064 }
2065 while (*opts) {
2066 const char *nextopt;
2067
2068 if (strstart(opts, ",retrace=", &nextopt)) {
2069 opts = nextopt;
2070 if (strstart(opts, "dumb", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_DUMB;
2072 else if (strstart(opts, "precise", &nextopt))
2073 vga_retrace_method = VGA_RETRACE_PRECISE;
2074 else goto invalid_vga;
2075 } else goto invalid_vga;
2076 opts = nextopt;
2077 }
2078 }
2079
2080 static DisplayType select_display(const char *p)
2081 {
2082 const char *opts;
2083 DisplayType display = DT_DEFAULT;
2084
2085 if (strstart(p, "sdl", &opts)) {
2086 #ifdef CONFIG_SDL
2087 display = DT_SDL;
2088 while (*opts) {
2089 const char *nextopt;
2090
2091 if (strstart(opts, ",frame=", &nextopt)) {
2092 opts = nextopt;
2093 if (strstart(opts, "on", &nextopt)) {
2094 no_frame = 0;
2095 } else if (strstart(opts, "off", &nextopt)) {
2096 no_frame = 1;
2097 } else {
2098 goto invalid_sdl_args;
2099 }
2100 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2101 opts = nextopt;
2102 if (strstart(opts, "on", &nextopt)) {
2103 alt_grab = 1;
2104 } else if (strstart(opts, "off", &nextopt)) {
2105 alt_grab = 0;
2106 } else {
2107 goto invalid_sdl_args;
2108 }
2109 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 ctrl_grab = 1;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 ctrl_grab = 0;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else if (strstart(opts, ",window_close=", &nextopt)) {
2119 opts = nextopt;
2120 if (strstart(opts, "on", &nextopt)) {
2121 no_quit = 0;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 no_quit = 1;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else if (strstart(opts, ",gl=", &nextopt)) {
2128 opts = nextopt;
2129 if (strstart(opts, "on", &nextopt)) {
2130 request_opengl = 1;
2131 } else if (strstart(opts, "off", &nextopt)) {
2132 request_opengl = 0;
2133 } else {
2134 goto invalid_sdl_args;
2135 }
2136 } else {
2137 invalid_sdl_args:
2138 error_report("invalid SDL option string");
2139 exit(1);
2140 }
2141 opts = nextopt;
2142 }
2143 #else
2144 error_report("SDL support is disabled");
2145 exit(1);
2146 #endif
2147 } else if (strstart(p, "vnc", &opts)) {
2148 #ifdef CONFIG_VNC
2149 if (*opts == '=') {
2150 Error *err = NULL;
2151 if (vnc_parse(opts + 1, &err) == NULL) {
2152 error_report_err(err);
2153 exit(1);
2154 }
2155 } else {
2156 error_report("VNC requires a display argument vnc=<display>");
2157 exit(1);
2158 }
2159 #else
2160 error_report("VNC support is disabled");
2161 exit(1);
2162 #endif
2163 } else if (strstart(p, "curses", &opts)) {
2164 #ifdef CONFIG_CURSES
2165 display = DT_CURSES;
2166 #else
2167 error_report("curses support is disabled");
2168 exit(1);
2169 #endif
2170 } else if (strstart(p, "gtk", &opts)) {
2171 #ifdef CONFIG_GTK
2172 display = DT_GTK;
2173 while (*opts) {
2174 const char *nextopt;
2175
2176 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2177 opts = nextopt;
2178 if (strstart(opts, "on", &nextopt)) {
2179 grab_on_hover = true;
2180 } else if (strstart(opts, "off", &nextopt)) {
2181 grab_on_hover = false;
2182 } else {
2183 goto invalid_gtk_args;
2184 }
2185 } else if (strstart(opts, ",gl=", &nextopt)) {
2186 opts = nextopt;
2187 if (strstart(opts, "on", &nextopt)) {
2188 request_opengl = 1;
2189 } else if (strstart(opts, "off", &nextopt)) {
2190 request_opengl = 0;
2191 } else {
2192 goto invalid_gtk_args;
2193 }
2194 } else {
2195 invalid_gtk_args:
2196 error_report("invalid GTK option string");
2197 exit(1);
2198 }
2199 opts = nextopt;
2200 }
2201 #else
2202 error_report("GTK support is disabled");
2203 exit(1);
2204 #endif
2205 } else if (strstart(p, "none", &opts)) {
2206 display = DT_NONE;
2207 } else {
2208 error_report("unknown display type");
2209 exit(1);
2210 }
2211
2212 return display;
2213 }
2214
2215 static int balloon_parse(const char *arg)
2216 {
2217 QemuOpts *opts;
2218
2219 if (strcmp(arg, "none") == 0) {
2220 return 0;
2221 }
2222
2223 if (!strncmp(arg, "virtio", 6)) {
2224 if (arg[6] == ',') {
2225 /* have params -> parse them */
2226 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2227 false);
2228 if (!opts)
2229 return -1;
2230 } else {
2231 /* create empty opts */
2232 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2233 &error_abort);
2234 }
2235 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2236 return 0;
2237 }
2238
2239 return -1;
2240 }
2241
2242 char *qemu_find_file(int type, const char *name)
2243 {
2244 int i;
2245 const char *subdir;
2246 char *buf;
2247
2248 /* Try the name as a straight path first */
2249 if (access(name, R_OK) == 0) {
2250 trace_load_file(name, name);
2251 return g_strdup(name);
2252 }
2253
2254 switch (type) {
2255 case QEMU_FILE_TYPE_BIOS:
2256 subdir = "";
2257 break;
2258 case QEMU_FILE_TYPE_KEYMAP:
2259 subdir = "keymaps/";
2260 break;
2261 default:
2262 abort();
2263 }
2264
2265 for (i = 0; i < data_dir_idx; i++) {
2266 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2267 if (access(buf, R_OK) == 0) {
2268 trace_load_file(name, buf);
2269 return buf;
2270 }
2271 g_free(buf);
2272 }
2273 return NULL;
2274 }
2275
2276 static inline bool nonempty_str(const char *str)
2277 {
2278 return str && *str;
2279 }
2280
2281 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 gchar *buf;
2284 size_t size;
2285 const char *name, *file, *str;
2286
2287 if (opaque == NULL) {
2288 error_report("fw_cfg device not available");
2289 return -1;
2290 }
2291 name = qemu_opt_get(opts, "name");
2292 file = qemu_opt_get(opts, "file");
2293 str = qemu_opt_get(opts, "string");
2294
2295 /* we need name and either a file or the content string */
2296 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2297 error_report("invalid argument(s)");
2298 return -1;
2299 }
2300 if (nonempty_str(file) && nonempty_str(str)) {
2301 error_report("file and string are mutually exclusive");
2302 return -1;
2303 }
2304 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2305 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2306 return -1;
2307 }
2308 if (strncmp(name, "opt/", 4) != 0) {
2309 error_report("warning: externally provided fw_cfg item names "
2310 "should be prefixed with \"opt/\"");
2311 }
2312 if (nonempty_str(str)) {
2313 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2314 buf = g_memdup(str, size);
2315 } else {
2316 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2317 error_report("can't load %s", file);
2318 return -1;
2319 }
2320 }
2321 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2322 return 0;
2323 }
2324
2325 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2326 {
2327 return qdev_device_help(opts);
2328 }
2329
2330 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 Error *err = NULL;
2333 DeviceState *dev;
2334
2335 dev = qdev_device_add(opts, &err);
2336 if (!dev) {
2337 error_report_err(err);
2338 return -1;
2339 }
2340 object_unref(OBJECT(dev));
2341 return 0;
2342 }
2343
2344 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 Error *local_err = NULL;
2347
2348 qemu_chr_new_from_opts(opts, NULL, &local_err);
2349 if (local_err) {
2350 error_report_err(local_err);
2351 return -1;
2352 }
2353 return 0;
2354 }
2355
2356 #ifdef CONFIG_VIRTFS
2357 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 int ret;
2360 ret = qemu_fsdev_add(opts);
2361
2362 return ret;
2363 }
2364 #endif
2365
2366 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 CharDriverState *chr;
2369 const char *chardev;
2370 const char *mode;
2371 int flags;
2372
2373 mode = qemu_opt_get(opts, "mode");
2374 if (mode == NULL) {
2375 mode = "readline";
2376 }
2377 if (strcmp(mode, "readline") == 0) {
2378 flags = MONITOR_USE_READLINE;
2379 } else if (strcmp(mode, "control") == 0) {
2380 flags = MONITOR_USE_CONTROL;
2381 } else {
2382 error_report("unknown monitor mode \"%s\"", mode);
2383 exit(1);
2384 }
2385
2386 if (qemu_opt_get_bool(opts, "pretty", 0))
2387 flags |= MONITOR_USE_PRETTY;
2388
2389 if (qemu_opt_get_bool(opts, "default", 0))
2390 flags |= MONITOR_IS_DEFAULT;
2391
2392 chardev = qemu_opt_get(opts, "chardev");
2393 chr = qemu_chr_find(chardev);
2394 if (chr == NULL) {
2395 error_report("chardev \"%s\" not found", chardev);
2396 exit(1);
2397 }
2398
2399 qemu_chr_fe_claim_no_fail(chr);
2400 monitor_init(chr, flags);
2401 return 0;
2402 }
2403
2404 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 {
2406 static int monitor_device_index = 0;
2407 Error *local_err = NULL;
2408 QemuOpts *opts;
2409 const char *p;
2410 char label[32];
2411 int def = 0;
2412
2413 if (strstart(optarg, "chardev:", &p)) {
2414 snprintf(label, sizeof(label), "%s", p);
2415 } else {
2416 snprintf(label, sizeof(label), "compat_monitor%d",
2417 monitor_device_index);
2418 if (monitor_device_index == 0) {
2419 def = 1;
2420 }
2421 opts = qemu_chr_parse_compat(label, optarg);
2422 if (!opts) {
2423 error_report("parse error: %s", optarg);
2424 exit(1);
2425 }
2426 }
2427
2428 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2429 if (!opts) {
2430 error_report_err(local_err);
2431 exit(1);
2432 }
2433 qemu_opt_set(opts, "mode", mode, &error_abort);
2434 qemu_opt_set(opts, "chardev", label, &error_abort);
2435 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2436 if (def)
2437 qemu_opt_set(opts, "default", "on", &error_abort);
2438 monitor_device_index++;
2439 }
2440
2441 struct device_config {
2442 enum {
2443 DEV_USB, /* -usbdevice */
2444 DEV_BT, /* -bt */
2445 DEV_SERIAL, /* -serial */
2446 DEV_PARALLEL, /* -parallel */
2447 DEV_VIRTCON, /* -virtioconsole */
2448 DEV_DEBUGCON, /* -debugcon */
2449 DEV_GDB, /* -gdb, -s */
2450 DEV_SCLP, /* s390 sclp */
2451 } type;
2452 const char *cmdline;
2453 Location loc;
2454 QTAILQ_ENTRY(device_config) next;
2455 };
2456
2457 static QTAILQ_HEAD(, device_config) device_configs =
2458 QTAILQ_HEAD_INITIALIZER(device_configs);
2459
2460 static void add_device_config(int type, const char *cmdline)
2461 {
2462 struct device_config *conf;
2463
2464 conf = g_malloc0(sizeof(*conf));
2465 conf->type = type;
2466 conf->cmdline = cmdline;
2467 loc_save(&conf->loc);
2468 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2469 }
2470
2471 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2472 {
2473 struct device_config *conf;
2474 int rc;
2475
2476 QTAILQ_FOREACH(conf, &device_configs, next) {
2477 if (conf->type != type)
2478 continue;
2479 loc_push_restore(&conf->loc);
2480 rc = func(conf->cmdline);
2481 loc_pop(&conf->loc);
2482 if (rc) {
2483 return rc;
2484 }
2485 }
2486 return 0;
2487 }
2488
2489 static int serial_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_SERIAL_PORTS) {
2497 error_report("too many serial ports");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "serial%d", index);
2501 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!serial_hds[index]) {
2503 error_report("could not connect serial device"
2504 " to character backend '%s'", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int parallel_parse(const char *devname)
2512 {
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_PARALLEL_PORTS) {
2519 error_report("too many parallel ports");
2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "parallel%d", index);
2523 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!parallel_hds[index]) {
2525 error_report("could not connect parallel device"
2526 " to character backend '%s'", devname);
2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531 }
2532
2533 static int virtcon_parse(const char *devname)
2534 {
2535 QemuOptsList *device = qemu_find_opts("device");
2536 static int index = 0;
2537 char label[32];
2538 QemuOpts *bus_opts, *dev_opts;
2539
2540 if (strcmp(devname, "none") == 0)
2541 return 0;
2542 if (index == MAX_VIRTIO_CONSOLES) {
2543 error_report("too many virtio consoles");
2544 exit(1);
2545 }
2546
2547 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2548 if (arch_type == QEMU_ARCH_S390X) {
2549 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2550 } else {
2551 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2552 }
2553
2554 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2555 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2556
2557 snprintf(label, sizeof(label), "virtcon%d", index);
2558 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2559 if (!virtcon_hds[index]) {
2560 error_report("could not connect virtio console"
2561 " to character backend '%s'", devname);
2562 return -1;
2563 }
2564 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2565
2566 index++;
2567 return 0;
2568 }
2569
2570 static int sclp_parse(const char *devname)
2571 {
2572 QemuOptsList *device = qemu_find_opts("device");
2573 static int index = 0;
2574 char label[32];
2575 QemuOpts *dev_opts;
2576
2577 if (strcmp(devname, "none") == 0) {
2578 return 0;
2579 }
2580 if (index == MAX_SCLP_CONSOLES) {
2581 error_report("too many sclp consoles");
2582 exit(1);
2583 }
2584
2585 assert(arch_type == QEMU_ARCH_S390X);
2586
2587 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2588 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2589
2590 snprintf(label, sizeof(label), "sclpcon%d", index);
2591 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2592 if (!sclp_hds[index]) {
2593 error_report("could not connect sclp console"
2594 " to character backend '%s'", devname);
2595 return -1;
2596 }
2597 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2598
2599 index++;
2600 return 0;
2601 }
2602
2603 static int debugcon_parse(const char *devname)
2604 {
2605 QemuOpts *opts;
2606
2607 if (!qemu_chr_new("debugcon", devname, NULL)) {
2608 exit(1);
2609 }
2610 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2611 if (!opts) {
2612 error_report("already have a debugcon device");
2613 exit(1);
2614 }
2615 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2616 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2617 return 0;
2618 }
2619
2620 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2621 {
2622 const MachineClass *mc1 = a, *mc2 = b;
2623 int res;
2624
2625 if (mc1->family == NULL) {
2626 if (mc2->family == NULL) {
2627 /* Compare standalone machine types against each other; they sort
2628 * in increasing order.
2629 */
2630 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2631 object_class_get_name(OBJECT_CLASS(mc2)));
2632 }
2633
2634 /* Standalone machine types sort after families. */
2635 return 1;
2636 }
2637
2638 if (mc2->family == NULL) {
2639 /* Families sort before standalone machine types. */
2640 return -1;
2641 }
2642
2643 /* Families sort between each other alphabetically increasingly. */
2644 res = strcmp(mc1->family, mc2->family);
2645 if (res != 0) {
2646 return res;
2647 }
2648
2649 /* Within the same family, machine types sort in decreasing order. */
2650 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2651 object_class_get_name(OBJECT_CLASS(mc1)));
2652 }
2653
2654 static MachineClass *machine_parse(const char *name)
2655 {
2656 MachineClass *mc = NULL;
2657 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2658
2659 if (name) {
2660 mc = find_machine(name);
2661 }
2662 if (mc) {
2663 g_slist_free(machines);
2664 return mc;
2665 }
2666 if (name && !is_help_option(name)) {
2667 error_report("unsupported machine type");
2668 error_printf("Use -machine help to list supported machines\n");
2669 } else {
2670 printf("Supported machines are:\n");
2671 machines = g_slist_sort(machines, machine_class_cmp);
2672 for (el = machines; el; el = el->next) {
2673 MachineClass *mc = el->data;
2674 if (mc->alias) {
2675 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2676 }
2677 printf("%-20s %s%s\n", mc->name, mc->desc,
2678 mc->is_default ? " (default)" : "");
2679 }
2680 }
2681
2682 g_slist_free(machines);
2683 exit(!name || !is_help_option(name));
2684 }
2685
2686 void qemu_add_exit_notifier(Notifier *notify)
2687 {
2688 notifier_list_add(&exit_notifiers, notify);
2689 }
2690
2691 void qemu_remove_exit_notifier(Notifier *notify)
2692 {
2693 notifier_remove(notify);
2694 }
2695
2696 static void qemu_run_exit_notifiers(void)
2697 {
2698 notifier_list_notify(&exit_notifiers, NULL);
2699 }
2700
2701 static bool machine_init_done;
2702
2703 void qemu_add_machine_init_done_notifier(Notifier *notify)
2704 {
2705 notifier_list_add(&machine_init_done_notifiers, notify);
2706 if (machine_init_done) {
2707 notify->notify(notify, NULL);
2708 }
2709 }
2710
2711 static void qemu_run_machine_init_done_notifiers(void)
2712 {
2713 notifier_list_notify(&machine_init_done_notifiers, NULL);
2714 machine_init_done = true;
2715 }
2716
2717 static const QEMUOption *lookup_opt(int argc, char **argv,
2718 const char **poptarg, int *poptind)
2719 {
2720 const QEMUOption *popt;
2721 int optind = *poptind;
2722 char *r = argv[optind];
2723 const char *optarg;
2724
2725 loc_set_cmdline(argv, optind, 1);
2726 optind++;
2727 /* Treat --foo the same as -foo. */
2728 if (r[1] == '-')
2729 r++;
2730 popt = qemu_options;
2731 for(;;) {
2732 if (!popt->name) {
2733 error_report("invalid option");
2734 exit(1);
2735 }
2736 if (!strcmp(popt->name, r + 1))
2737 break;
2738 popt++;
2739 }
2740 if (popt->flags & HAS_ARG) {
2741 if (optind >= argc) {
2742 error_report("requires an argument");
2743 exit(1);
2744 }
2745 optarg = argv[optind++];
2746 loc_set_cmdline(argv, optind - 2, 2);
2747 } else {
2748 optarg = NULL;
2749 }
2750
2751 *poptarg = optarg;
2752 *poptind = optind;
2753
2754 return popt;
2755 }
2756
2757 static int machine_set_property(void *opaque,
2758 const char *name, const char *value,
2759 Error **errp)
2760 {
2761 Object *obj = OBJECT(opaque);
2762 Error *local_err = NULL;
2763 char *c, *qom_name;
2764
2765 if (strcmp(name, "type") == 0) {
2766 return 0;
2767 }
2768
2769 qom_name = g_strdup(name);
2770 c = qom_name;
2771 while (*c++) {
2772 if (*c == '_') {
2773 *c = '-';
2774 }
2775 }
2776
2777 object_property_parse(obj, value, qom_name, &local_err);
2778 g_free(qom_name);
2779
2780 if (local_err) {
2781 error_report_err(local_err);
2782 return -1;
2783 }
2784
2785 return 0;
2786 }
2787
2788
2789 /*
2790 * Initial object creation happens before all other
2791 * QEMU data types are created. The majority of objects
2792 * can be created at this point. The rng-egd object
2793 * cannot be created here, as it depends on the chardev
2794 * already existing.
2795 */
2796 static bool object_create_initial(const char *type)
2797 {
2798 if (g_str_equal(type, "rng-egd")) {
2799 return false;
2800 }
2801
2802 /*
2803 * return false for concrete netfilters since
2804 * they depend on netdevs already existing
2805 */
2806 if (g_str_equal(type, "filter-buffer") ||
2807 g_str_equal(type, "filter-dump")) {
2808 return false;
2809 }
2810
2811 return true;
2812 }
2813
2814
2815 /*
2816 * The remainder of object creation happens after the
2817 * creation of chardev, fsdev, net clients and device data types.
2818 */
2819 static bool object_create_delayed(const char *type)
2820 {
2821 return !object_create_initial(type);
2822 }
2823
2824
2825 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2826 {
2827 Error *err = NULL;
2828 char *type = NULL;
2829 char *id = NULL;
2830 void *dummy = NULL;
2831 OptsVisitor *ov;
2832 QDict *pdict;
2833 bool (*type_predicate)(const char *) = opaque;
2834
2835 ov = opts_visitor_new(opts);
2836 pdict = qemu_opts_to_qdict(opts, NULL);
2837
2838 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2839 if (err) {
2840 goto out;
2841 }
2842
2843 qdict_del(pdict, "qom-type");
2844 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2845 if (err) {
2846 goto out;
2847 }
2848 if (!type_predicate(type)) {
2849 goto out;
2850 }
2851
2852 qdict_del(pdict, "id");
2853 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2854 if (err) {
2855 goto out;
2856 }
2857
2858 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2859 if (err) {
2860 goto out;
2861 }
2862 visit_end_struct(opts_get_visitor(ov), &err);
2863 if (err) {
2864 qmp_object_del(id, NULL);
2865 }
2866
2867 out:
2868 opts_visitor_cleanup(ov);
2869
2870 QDECREF(pdict);
2871 g_free(id);
2872 g_free(type);
2873 g_free(dummy);
2874 if (err) {
2875 error_report_err(err);
2876 return -1;
2877 }
2878 return 0;
2879 }
2880
2881 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2882 MachineClass *mc)
2883 {
2884 uint64_t sz;
2885 const char *mem_str;
2886 const char *maxmem_str, *slots_str;
2887 const ram_addr_t default_ram_size = mc->default_ram_size;
2888 QemuOpts *opts = qemu_find_opts_singleton("memory");
2889
2890 sz = 0;
2891 mem_str = qemu_opt_get(opts, "size");
2892 if (mem_str) {
2893 if (!*mem_str) {
2894 error_report("missing 'size' option value");
2895 exit(EXIT_FAILURE);
2896 }
2897
2898 sz = qemu_opt_get_size(opts, "size", ram_size);
2899
2900 /* Fix up legacy suffix-less format */
2901 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2902 uint64_t overflow_check = sz;
2903
2904 sz <<= 20;
2905 if ((sz >> 20) != overflow_check) {
2906 error_report("too large 'size' option value");
2907 exit(EXIT_FAILURE);
2908 }
2909 }
2910 }
2911
2912 /* backward compatibility behaviour for case "-m 0" */
2913 if (sz == 0) {
2914 sz = default_ram_size;
2915 }
2916
2917 sz = QEMU_ALIGN_UP(sz, 8192);
2918 ram_size = sz;
2919 if (ram_size != sz) {
2920 error_report("ram size too large");
2921 exit(EXIT_FAILURE);
2922 }
2923
2924 /* store value for the future use */
2925 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2926 *maxram_size = ram_size;
2927
2928 maxmem_str = qemu_opt_get(opts, "maxmem");
2929 slots_str = qemu_opt_get(opts, "slots");
2930 if (maxmem_str && slots_str) {
2931 uint64_t slots;
2932
2933 sz = qemu_opt_get_size(opts, "maxmem", 0);
2934 slots = qemu_opt_get_number(opts, "slots", 0);
2935 if (sz < ram_size) {
2936 error_report("invalid value of -m option maxmem: "
2937 "maximum memory size (0x%" PRIx64 ") must be at least "
2938 "the initial memory size (0x" RAM_ADDR_FMT ")",
2939 sz, ram_size);
2940 exit(EXIT_FAILURE);
2941 } else if (sz > ram_size) {
2942 if (!slots) {
2943 error_report("invalid value of -m option: maxmem was "
2944 "specified, but no hotplug slots were specified");
2945 exit(EXIT_FAILURE);
2946 }
2947 } else if (slots) {
2948 error_report("invalid value of -m option maxmem: "
2949 "memory slots were specified but maximum memory size "
2950 "(0x%" PRIx64 ") is equal to the initial memory size "
2951 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2952 exit(EXIT_FAILURE);
2953 }
2954
2955 *maxram_size = sz;
2956 *ram_slots = slots;
2957 } else if ((!maxmem_str && slots_str) ||
2958 (maxmem_str && !slots_str)) {
2959 error_report("invalid -m option value: missing "
2960 "'%s' option", slots_str ? "maxmem" : "slots");
2961 exit(EXIT_FAILURE);
2962 }
2963 }
2964
2965 int main(int argc, char **argv, char **envp)
2966 {
2967 int i;
2968 int snapshot, linux_boot;
2969 const char *initrd_filename;
2970 const char *kernel_filename, *kernel_cmdline;
2971 const char *boot_order = NULL;
2972 const char *boot_once = NULL;
2973 DisplayState *ds;
2974 int cyls, heads, secs, translation;
2975 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2976 QemuOptsList *olist;
2977 int optind;
2978 const char *optarg;
2979 const char *loadvm = NULL;
2980 MachineClass *machine_class;
2981 const char *cpu_model;
2982 const char *vga_model = NULL;
2983 const char *qtest_chrdev = NULL;
2984 const char *qtest_log = NULL;
2985 const char *pid_file = NULL;
2986 const char *incoming = NULL;
2987 #ifdef CONFIG_VNC
2988 int show_vnc_port = 0;
2989 #endif
2990 bool defconfig = true;
2991 bool userconfig = true;
2992 const char *log_mask = NULL;
2993 const char *log_file = NULL;
2994 const char *trace_events = NULL;
2995 const char *trace_file = NULL;
2996 ram_addr_t maxram_size;
2997 uint64_t ram_slots = 0;
2998 FILE *vmstate_dump_file = NULL;
2999 Error *main_loop_err = NULL;
3000 Error *err = NULL;
3001
3002 qemu_init_cpu_loop();
3003 qemu_mutex_lock_iothread();
3004
3005 atexit(qemu_run_exit_notifiers);
3006 error_set_progname(argv[0]);
3007 qemu_init_exec_dir(argv[0]);
3008
3009 module_call_init(MODULE_INIT_QOM);
3010
3011 qemu_add_opts(&qemu_drive_opts);
3012 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3013 qemu_add_drive_opts(&qemu_common_drive_opts);
3014 qemu_add_drive_opts(&qemu_drive_opts);
3015 qemu_add_opts(&qemu_chardev_opts);
3016 qemu_add_opts(&qemu_device_opts);
3017 qemu_add_opts(&qemu_netdev_opts);
3018 qemu_add_opts(&qemu_net_opts);
3019 qemu_add_opts(&qemu_rtc_opts);
3020 qemu_add_opts(&qemu_global_opts);
3021 qemu_add_opts(&qemu_mon_opts);
3022 qemu_add_opts(&qemu_trace_opts);
3023 qemu_add_opts(&qemu_option_rom_opts);
3024 qemu_add_opts(&qemu_machine_opts);
3025 qemu_add_opts(&qemu_mem_opts);
3026 qemu_add_opts(&qemu_smp_opts);
3027 qemu_add_opts(&qemu_boot_opts);
3028 qemu_add_opts(&qemu_sandbox_opts);
3029 qemu_add_opts(&qemu_add_fd_opts);
3030 qemu_add_opts(&qemu_object_opts);
3031 qemu_add_opts(&qemu_tpmdev_opts);
3032 qemu_add_opts(&qemu_realtime_opts);
3033 qemu_add_opts(&qemu_msg_opts);
3034 qemu_add_opts(&qemu_name_opts);
3035 qemu_add_opts(&qemu_numa_opts);
3036 qemu_add_opts(&qemu_icount_opts);
3037 qemu_add_opts(&qemu_semihosting_config_opts);
3038 qemu_add_opts(&qemu_fw_cfg_opts);
3039
3040 runstate_init();
3041
3042 if (qcrypto_init(&err) < 0) {
3043 error_report("cannot initialize crypto: %s", error_get_pretty(err));
3044 exit(1);
3045 }
3046 rtc_clock = QEMU_CLOCK_HOST;
3047
3048 QLIST_INIT (&vm_change_state_head);
3049 os_setup_early_signal_handling();
3050
3051 module_call_init(MODULE_INIT_MACHINE);
3052 machine_class = find_default_machine();
3053 cpu_model = NULL;
3054 snapshot = 0;
3055 cyls = heads = secs = 0;
3056 translation = BIOS_ATA_TRANSLATION_AUTO;
3057
3058 nb_nics = 0;
3059
3060 bdrv_init_with_whitelist();
3061
3062 autostart = 1;
3063
3064 /* first pass of option parsing */
3065 optind = 1;
3066 while (optind < argc) {
3067 if (argv[optind][0] != '-') {
3068 /* disk image */
3069 optind++;
3070 } else {
3071 const QEMUOption *popt;
3072
3073 popt = lookup_opt(argc, argv, &optarg, &optind);
3074 switch (popt->index) {
3075 case QEMU_OPTION_nodefconfig:
3076 defconfig = false;
3077 break;
3078 case QEMU_OPTION_nouserconfig:
3079 userconfig = false;
3080 break;
3081 }
3082 }
3083 }
3084
3085 if (defconfig) {
3086 int ret;
3087 ret = qemu_read_default_config_files(userconfig);
3088 if (ret < 0) {
3089 exit(1);
3090 }
3091 }
3092
3093 /* second pass of option parsing */
3094 optind = 1;
3095 for(;;) {
3096 if (optind >= argc)
3097 break;
3098 if (argv[optind][0] != '-') {
3099 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3100 } else {
3101 const QEMUOption *popt;
3102
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 if (!(popt->arch_mask & arch_type)) {
3105 printf("Option %s not supported for this target\n", popt->name);
3106 exit(1);
3107 }
3108 switch(popt->index) {
3109 case QEMU_OPTION_no_kvm_irqchip: {
3110 olist = qemu_find_opts("machine");
3111 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3112 break;
3113 }
3114 case QEMU_OPTION_cpu:
3115 /* hw initialization will check this */
3116 cpu_model = optarg;
3117 break;
3118 case QEMU_OPTION_hda:
3119 {
3120 char buf[256];
3121 if (cyls == 0)
3122 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3123 else
3124 snprintf(buf, sizeof(buf),
3125 "%s,cyls=%d,heads=%d,secs=%d%s",
3126 HD_OPTS , cyls, heads, secs,
3127 translation == BIOS_ATA_TRANSLATION_LBA ?
3128 ",trans=lba" :
3129 translation == BIOS_ATA_TRANSLATION_NONE ?
3130 ",trans=none" : "");
3131 drive_add(IF_DEFAULT, 0, optarg, buf);
3132 break;
3133 }
3134 case QEMU_OPTION_hdb:
3135 case QEMU_OPTION_hdc:
3136 case QEMU_OPTION_hdd:
3137 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3138 HD_OPTS);
3139 break;
3140 case QEMU_OPTION_drive:
3141 if (drive_def(optarg) == NULL) {
3142 exit(1);
3143 }
3144 break;
3145 case QEMU_OPTION_set:
3146 if (qemu_set_option(optarg) != 0)
3147 exit(1);
3148 break;
3149 case QEMU_OPTION_global:
3150 if (qemu_global_option(optarg) != 0)
3151 exit(1);
3152 break;
3153 case QEMU_OPTION_mtdblock:
3154 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3155 break;
3156 case QEMU_OPTION_sd:
3157 drive_add(IF_SD, -1, optarg, SD_OPTS);
3158 break;
3159 case QEMU_OPTION_pflash:
3160 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3161 break;
3162 case QEMU_OPTION_snapshot:
3163 snapshot = 1;
3164 break;
3165 case QEMU_OPTION_hdachs:
3166 {
3167 const char *p;
3168 p = optarg;
3169 cyls = strtol(p, (char **)&p, 0);
3170 if (cyls < 1 || cyls > 16383)
3171 goto chs_fail;
3172 if (*p != ',')
3173 goto chs_fail;
3174 p++;
3175 heads = strtol(p, (char **)&p, 0);
3176 if (heads < 1 || heads > 16)
3177 goto chs_fail;
3178 if (*p != ',')
3179 goto chs_fail;
3180 p++;
3181 secs = strtol(p, (char **)&p, 0);
3182 if (secs < 1 || secs > 63)
3183 goto chs_fail;
3184 if (*p == ',') {
3185 p++;
3186 if (!strcmp(p, "large")) {
3187 translation = BIOS_ATA_TRANSLATION_LARGE;
3188 } else if (!strcmp(p, "rechs")) {
3189 translation = BIOS_ATA_TRANSLATION_RECHS;
3190 } else if (!strcmp(p, "none")) {
3191 translation = BIOS_ATA_TRANSLATION_NONE;
3192 } else if (!strcmp(p, "lba")) {
3193 translation = BIOS_ATA_TRANSLATION_LBA;
3194 } else if (!strcmp(p, "auto")) {
3195 translation = BIOS_ATA_TRANSLATION_AUTO;
3196 } else {
3197 goto chs_fail;
3198 }
3199 } else if (*p != '\0') {
3200 chs_fail:
3201 error_report("invalid physical CHS format");
3202 exit(1);
3203 }
3204 if (hda_opts != NULL) {
3205 qemu_opt_set_number(hda_opts, "cyls", cyls,
3206 &error_abort);
3207 qemu_opt_set_number(hda_opts, "heads", heads,
3208 &error_abort);
3209 qemu_opt_set_number(hda_opts, "secs", secs,
3210 &error_abort);
3211 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3212 qemu_opt_set(hda_opts, "trans", "large",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3215 qemu_opt_set(hda_opts, "trans", "rechs",
3216 &error_abort);
3217 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3218 qemu_opt_set(hda_opts, "trans", "lba",
3219 &error_abort);
3220 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3221 qemu_opt_set(hda_opts, "trans", "none",
3222 &error_abort);
3223 }
3224 }
3225 }
3226 break;
3227 case QEMU_OPTION_numa:
3228 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3229 optarg, true);
3230 if (!opts) {
3231 exit(1);
3232 }
3233 break;
3234 case QEMU_OPTION_display:
3235 display_type = select_display(optarg);
3236 break;
3237 case QEMU_OPTION_nographic:
3238 display_type = DT_NOGRAPHIC;
3239 break;
3240 case QEMU_OPTION_curses:
3241 #ifdef CONFIG_CURSES
3242 display_type = DT_CURSES;
3243 #else
3244 error_report("curses support is disabled");
3245 exit(1);
3246 #endif
3247 break;
3248 case QEMU_OPTION_portrait:
3249 graphic_rotate = 90;
3250 break;
3251 case QEMU_OPTION_rotate:
3252 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3253 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3254 graphic_rotate != 180 && graphic_rotate != 270) {
3255 error_report("only 90, 180, 270 deg rotation is available");
3256 exit(1);
3257 }
3258 break;
3259 case QEMU_OPTION_kernel:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3261 &error_abort);
3262 break;
3263 case QEMU_OPTION_initrd:
3264 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3265 &error_abort);
3266 break;
3267 case QEMU_OPTION_append:
3268 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3269 &error_abort);
3270 break;
3271 case QEMU_OPTION_dtb:
3272 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3273 &error_abort);
3274 break;
3275 case QEMU_OPTION_cdrom:
3276 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3277 break;
3278 case QEMU_OPTION_boot:
3279 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3280 optarg, true);
3281 if (!opts) {
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_fda:
3286 case QEMU_OPTION_fdb:
3287 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3288 optarg, FD_OPTS);
3289 break;
3290 case QEMU_OPTION_no_fd_bootchk:
3291 fd_bootchk = 0;
3292 break;
3293 case QEMU_OPTION_netdev:
3294 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_net:
3299 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3300 exit(1);
3301 }
3302 break;
3303 #ifdef CONFIG_LIBISCSI
3304 case QEMU_OPTION_iscsi:
3305 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3306 optarg, false);
3307 if (!opts) {
3308 exit(1);
3309 }
3310 break;
3311 #endif
3312 #ifdef CONFIG_SLIRP
3313 case QEMU_OPTION_tftp:
3314 legacy_tftp_prefix = optarg;
3315 break;
3316 case QEMU_OPTION_bootp:
3317 legacy_bootp_filename = optarg;
3318 break;
3319 case QEMU_OPTION_redir:
3320 if (net_slirp_redir(optarg) < 0)
3321 exit(1);
3322 break;
3323 #endif
3324 case QEMU_OPTION_bt:
3325 add_device_config(DEV_BT, optarg);
3326 break;
3327 case QEMU_OPTION_audio_help:
3328 AUD_help ();
3329 exit (0);
3330 break;
3331 case QEMU_OPTION_soundhw:
3332 select_soundhw (optarg);
3333 break;
3334 case QEMU_OPTION_h:
3335 help(0);
3336 break;
3337 case QEMU_OPTION_version:
3338 version();
3339 exit(0);
3340 break;
3341 case QEMU_OPTION_m:
3342 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3343 optarg, true);
3344 if (!opts) {
3345 exit(EXIT_FAILURE);
3346 }
3347 break;
3348 #ifdef CONFIG_TPM
3349 case QEMU_OPTION_tpmdev:
3350 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3351 exit(1);
3352 }
3353 break;
3354 #endif
3355 case QEMU_OPTION_mempath:
3356 mem_path = optarg;
3357 break;
3358 case QEMU_OPTION_mem_prealloc:
3359 mem_prealloc = 1;
3360 break;
3361 case QEMU_OPTION_d:
3362 log_mask = optarg;
3363 break;
3364 case QEMU_OPTION_D:
3365 log_file = optarg;
3366 break;
3367 case QEMU_OPTION_s:
3368 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3369 break;
3370 case QEMU_OPTION_gdb:
3371 add_device_config(DEV_GDB, optarg);
3372 break;
3373 case QEMU_OPTION_L:
3374 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3375 data_dir[data_dir_idx++] = optarg;
3376 }
3377 break;
3378 case QEMU_OPTION_bios:
3379 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3380 &error_abort);
3381 break;
3382 case QEMU_OPTION_singlestep:
3383 singlestep = 1;
3384 break;
3385 case QEMU_OPTION_S:
3386 autostart = 0;
3387 break;
3388 case QEMU_OPTION_k:
3389 keyboard_layout = optarg;
3390 break;
3391 case QEMU_OPTION_localtime:
3392 rtc_utc = 0;
3393 break;
3394 case QEMU_OPTION_vga:
3395 vga_model = optarg;
3396 default_vga = 0;
3397 break;
3398 case QEMU_OPTION_g:
3399 {
3400 const char *p;
3401 int w, h, depth;
3402 p = optarg;
3403 w = strtol(p, (char **)&p, 10);
3404 if (w <= 0) {
3405 graphic_error:
3406 error_report("invalid resolution or depth");
3407 exit(1);
3408 }
3409 if (*p != 'x')
3410 goto graphic_error;
3411 p++;
3412 h = strtol(p, (char **)&p, 10);
3413 if (h <= 0)
3414 goto graphic_error;
3415 if (*p == 'x') {
3416 p++;
3417 depth = strtol(p, (char **)&p, 10);
3418 if (depth != 8 && depth != 15 && depth != 16 &&
3419 depth != 24 && depth != 32)
3420 goto graphic_error;
3421 } else if (*p == '\0') {
3422 depth = graphic_depth;
3423 } else {
3424 goto graphic_error;
3425 }
3426
3427 graphic_width = w;
3428 graphic_height = h;
3429 graphic_depth = depth;
3430 }
3431 break;
3432 case QEMU_OPTION_echr:
3433 {
3434 char *r;
3435 term_escape_char = strtol(optarg, &r, 0);
3436 if (r == optarg)
3437 printf("Bad argument to echr\n");
3438 break;
3439 }
3440 case QEMU_OPTION_monitor:
3441 default_monitor = 0;
3442 if (strncmp(optarg, "none", 4)) {
3443 monitor_parse(optarg, "readline", false);
3444 }
3445 break;
3446 case QEMU_OPTION_qmp:
3447 monitor_parse(optarg, "control", false);
3448 default_monitor = 0;
3449 break;
3450 case QEMU_OPTION_qmp_pretty:
3451 monitor_parse(optarg, "control", true);
3452 default_monitor = 0;
3453 break;
3454 case QEMU_OPTION_mon:
3455 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3456 true);
3457 if (!opts) {
3458 exit(1);
3459 }
3460 default_monitor = 0;
3461 break;
3462 case QEMU_OPTION_chardev:
3463 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3464 optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_fsdev:
3470 olist = qemu_find_opts("fsdev");
3471 if (!olist) {
3472 error_report("fsdev support is disabled");
3473 exit(1);
3474 }
3475 opts = qemu_opts_parse_noisily(olist, optarg, true);
3476 if (!opts) {
3477 exit(1);
3478 }
3479 break;
3480 case QEMU_OPTION_virtfs: {
3481 QemuOpts *fsdev;
3482 QemuOpts *device;
3483 const char *writeout, *sock_fd, *socket;
3484
3485 olist = qemu_find_opts("virtfs");
3486 if (!olist) {
3487 error_report("virtfs support is disabled");
3488 exit(1);
3489 }
3490 opts = qemu_opts_parse_noisily(olist, optarg, true);
3491 if (!opts) {
3492 exit(1);
3493 }
3494
3495 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3496 qemu_opt_get(opts, "mount_tag") == NULL) {
3497 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3498 exit(1);
3499 }
3500 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3501 qemu_opt_get(opts, "mount_tag"),
3502 1, NULL);
3503 if (!fsdev) {
3504 error_report("duplicate fsdev id: %s",
3505 qemu_opt_get(opts, "mount_tag"));
3506 exit(1);
3507 }
3508
3509 writeout = qemu_opt_get(opts, "writeout");
3510 if (writeout) {
3511 #ifdef CONFIG_SYNC_FILE_RANGE
3512 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3513 #else
3514 error_report("writeout=immediate not supported "
3515 "on this platform");
3516 exit(1);
3517 #endif
3518 }
3519 qemu_opt_set(fsdev, "fsdriver",
3520 qemu_opt_get(opts, "fsdriver"), &error_abort);
3521 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3522 &error_abort);
3523 qemu_opt_set(fsdev, "security_model",
3524 qemu_opt_get(opts, "security_model"),
3525 &error_abort);
3526 socket = qemu_opt_get(opts, "socket");
3527 if (socket) {
3528 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3529 }
3530 sock_fd = qemu_opt_get(opts, "sock_fd");
3531 if (sock_fd) {
3532 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3533 }
3534
3535 qemu_opt_set_bool(fsdev, "readonly",
3536 qemu_opt_get_bool(opts, "readonly", 0),
3537 &error_abort);
3538 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3539 &error_abort);
3540 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3541 qemu_opt_set(device, "fsdev",
3542 qemu_opt_get(opts, "mount_tag"), &error_abort);
3543 qemu_opt_set(device, "mount_tag",
3544 qemu_opt_get(opts, "mount_tag"), &error_abort);
3545 break;
3546 }
3547 case QEMU_OPTION_virtfs_synth: {
3548 QemuOpts *fsdev;
3549 QemuOpts *device;
3550
3551 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3552 1, NULL);
3553 if (!fsdev) {
3554 error_report("duplicate option: %s", "virtfs_synth");
3555 exit(1);
3556 }
3557 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3558
3559 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3560 &error_abort);
3561 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3562 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3563 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3564 break;
3565 }
3566 case QEMU_OPTION_serial:
3567 add_device_config(DEV_SERIAL, optarg);
3568 default_serial = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_watchdog:
3574 if (watchdog) {
3575 error_report("only one watchdog option may be given");
3576 return 1;
3577 }
3578 watchdog = optarg;
3579 break;
3580 case QEMU_OPTION_watchdog_action:
3581 if (select_watchdog_action(optarg) == -1) {
3582 error_report("unknown -watchdog-action parameter");
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_virtiocon:
3587 add_device_config(DEV_VIRTCON, optarg);
3588 default_virtcon = 0;
3589 if (strncmp(optarg, "mon:", 4) == 0) {
3590 default_monitor = 0;
3591 }
3592 break;
3593 case QEMU_OPTION_parallel:
3594 add_device_config(DEV_PARALLEL, optarg);
3595 default_parallel = 0;
3596 if (strncmp(optarg, "mon:", 4) == 0) {
3597 default_monitor = 0;
3598 }
3599 break;
3600 case QEMU_OPTION_debugcon:
3601 add_device_config(DEV_DEBUGCON, optarg);
3602 break;
3603 case QEMU_OPTION_loadvm:
3604 loadvm = optarg;
3605 break;
3606 case QEMU_OPTION_full_screen:
3607 full_screen = 1;
3608 break;
3609 case QEMU_OPTION_no_frame:
3610 no_frame = 1;
3611 break;
3612 case QEMU_OPTION_alt_grab:
3613 alt_grab = 1;
3614 break;
3615 case QEMU_OPTION_ctrl_grab:
3616 ctrl_grab = 1;
3617 break;
3618 case QEMU_OPTION_no_quit:
3619 no_quit = 1;
3620 break;
3621 case QEMU_OPTION_sdl:
3622 #ifdef CONFIG_SDL
3623 display_type = DT_SDL;
3624 break;
3625 #else
3626 error_report("SDL support is disabled");
3627 exit(1);
3628 #endif
3629 case QEMU_OPTION_pidfile:
3630 pid_file = optarg;
3631 break;
3632 case QEMU_OPTION_win2k_hack:
3633 win2k_install_hack = 1;
3634 break;
3635 case QEMU_OPTION_rtc_td_hack: {
3636 static GlobalProperty slew_lost_ticks[] = {
3637 {
3638 .driver = "mc146818rtc",
3639 .property = "lost_tick_policy",
3640 .value = "slew",
3641 },
3642 { /* end of list */ }
3643 };
3644
3645 qdev_prop_register_global_list(slew_lost_ticks);
3646 break;
3647 }
3648 case QEMU_OPTION_acpitable:
3649 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3650 optarg, true);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 do_acpitable_option(opts);
3655 break;
3656 case QEMU_OPTION_smbios:
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3658 optarg, false);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 do_smbios_option(opts);
3663 break;
3664 case QEMU_OPTION_fwcfg:
3665 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3666 optarg, true);
3667 if (opts == NULL) {
3668 exit(1);
3669 }
3670 break;
3671 case QEMU_OPTION_enable_kvm:
3672 olist = qemu_find_opts("machine");
3673 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3674 break;
3675 case QEMU_OPTION_M:
3676 case QEMU_OPTION_machine:
3677 olist = qemu_find_opts("machine");
3678 opts = qemu_opts_parse_noisily(olist, optarg, true);
3679 if (!opts) {
3680 exit(1);
3681 }
3682 break;
3683 case QEMU_OPTION_no_kvm:
3684 olist = qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3686 break;
3687 case QEMU_OPTION_no_kvm_pit: {
3688 error_report("warning: ignoring deprecated option");
3689 break;
3690 }
3691 case QEMU_OPTION_no_kvm_pit_reinjection: {
3692 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3693 {
3694 .driver = "kvm-pit",
3695 .property = "lost_tick_policy",
3696 .value = "discard",
3697 },
3698 { /* end of list */ }
3699 };
3700
3701 error_report("warning: deprecated, replaced by "
3702 "-global kvm-pit.lost_tick_policy=discard");
3703 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3704 break;
3705 }
3706 case QEMU_OPTION_usb:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse_noisily(olist, "usb=on", false);
3709 break;
3710 case QEMU_OPTION_usbdevice:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "usb=on", false);
3713 add_device_config(DEV_USB, optarg);
3714 break;
3715 case QEMU_OPTION_device:
3716 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3717 optarg, true)) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_smp:
3722 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3723 optarg, true)) {
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_vnc:
3728 {
3729 #ifdef CONFIG_VNC
3730 Error *local_err = NULL;
3731
3732 if (vnc_parse(optarg, &local_err) == NULL) {
3733 error_report_err(local_err);
3734 exit(1);
3735 }
3736 #else
3737 error_report("VNC support is disabled");
3738 exit(1);
3739 #endif
3740 break;
3741 }
3742 case QEMU_OPTION_no_acpi:
3743 acpi_enabled = 0;
3744 break;
3745 case QEMU_OPTION_no_hpet:
3746 no_hpet = 1;
3747 break;
3748 case QEMU_OPTION_balloon:
3749 if (balloon_parse(optarg) < 0) {
3750 error_report("unknown -balloon argument %s", optarg);
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_no_reboot:
3755 no_reboot = 1;
3756 break;
3757 case QEMU_OPTION_no_shutdown:
3758 no_shutdown = 1;
3759 break;
3760 case QEMU_OPTION_show_cursor:
3761 cursor_hide = 0;
3762 break;
3763 case QEMU_OPTION_uuid:
3764 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3765 error_report("failed to parse UUID string: wrong format");
3766 exit(1);
3767 }
3768 qemu_uuid_set = true;
3769 break;
3770 case QEMU_OPTION_option_rom:
3771 if (nb_option_roms >= MAX_OPTION_ROMS) {
3772 error_report("too many option ROMs");
3773 exit(1);
3774 }
3775 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3776 optarg, true);
3777 if (!opts) {
3778 exit(1);
3779 }
3780 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3781 option_rom[nb_option_roms].bootindex =
3782 qemu_opt_get_number(opts, "bootindex", -1);
3783 if (!option_rom[nb_option_roms].name) {
3784 error_report("Option ROM file is not specified");
3785 exit(1);
3786 }
3787 nb_option_roms++;
3788 break;
3789 case QEMU_OPTION_semihosting:
3790 semihosting.enabled = true;
3791 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3792 break;
3793 case QEMU_OPTION_semihosting_config:
3794 semihosting.enabled = true;
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3796 optarg, false);
3797 if (opts != NULL) {
3798 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3799 true);
3800 const char *target = qemu_opt_get(opts, "target");
3801 if (target != NULL) {
3802 if (strcmp("native", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3804 } else if (strcmp("gdb", target) == 0) {
3805 semihosting.target = SEMIHOSTING_TARGET_GDB;
3806 } else if (strcmp("auto", target) == 0) {
3807 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3808 } else {
3809 error_report("unsupported semihosting-config %s",
3810 optarg);
3811 exit(1);
3812 }
3813 } else {
3814 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3815 }
3816 /* Set semihosting argument count and vector */
3817 qemu_opt_foreach(opts, add_semihosting_arg,
3818 &semihosting, NULL);
3819 } else {
3820 error_report("unsupported semihosting-config %s", optarg);
3821 exit(1);
3822 }
3823 break;
3824 case QEMU_OPTION_tdf:
3825 error_report("warning: ignoring deprecated option");
3826 break;
3827 case QEMU_OPTION_name:
3828 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3829 optarg, true);
3830 if (!opts) {
3831 exit(1);
3832 }
3833 break;
3834 case QEMU_OPTION_prom_env:
3835 if (nb_prom_envs >= MAX_PROM_ENVS) {
3836 error_report("too many prom variables");
3837 exit(1);
3838 }
3839 prom_envs[nb_prom_envs] = optarg;
3840 nb_prom_envs++;
3841 break;
3842 case QEMU_OPTION_old_param:
3843 old_param = 1;
3844 break;
3845 case QEMU_OPTION_clock:
3846 /* Clock options no longer exist. Keep this option for
3847 * backward compatibility.
3848 */
3849 break;
3850 case QEMU_OPTION_startdate:
3851 configure_rtc_date_offset(optarg, 1);
3852 break;
3853 case QEMU_OPTION_rtc:
3854 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3855 false);
3856 if (!opts) {
3857 exit(1);
3858 }
3859 configure_rtc(opts);
3860 break;
3861 case QEMU_OPTION_tb_size:
3862 tcg_tb_size = strtol(optarg, NULL, 0);
3863 if (tcg_tb_size < 0) {
3864 tcg_tb_size = 0;
3865 }
3866 break;
3867 case QEMU_OPTION_icount:
3868 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3869 optarg, true);
3870 if (!icount_opts) {
3871 exit(1);
3872 }
3873 break;
3874 case QEMU_OPTION_incoming:
3875 if (!incoming) {
3876 runstate_set(RUN_STATE_INMIGRATE);
3877 }
3878 incoming = optarg;
3879 break;
3880 case QEMU_OPTION_nodefaults:
3881 has_defaults = 0;
3882 break;
3883 case QEMU_OPTION_xen_domid:
3884 if (!(xen_available())) {
3885 printf("Option %s not supported for this target\n", popt->name);
3886 exit(1);
3887 }
3888 xen_domid = atoi(optarg);
3889 break;
3890 case QEMU_OPTION_xen_create:
3891 if (!(xen_available())) {
3892 printf("Option %s not supported for this target\n", popt->name);
3893 exit(1);
3894 }
3895 xen_mode = XEN_CREATE;
3896 break;
3897 case QEMU_OPTION_xen_attach:
3898 if (!(xen_available())) {
3899 printf("Option %s not supported for this target\n", popt->name);
3900 exit(1);
3901 }
3902 xen_mode = XEN_ATTACH;
3903 break;
3904 case QEMU_OPTION_trace:
3905 {
3906 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3907 optarg, false);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 trace_events = qemu_opt_get(opts, "events");
3912 trace_file = qemu_opt_get(opts, "file");
3913 break;
3914 }
3915 case QEMU_OPTION_readconfig:
3916 {
3917 int ret = qemu_read_config_file(optarg);
3918 if (ret < 0) {
3919 error_report("read config %s: %s", optarg,
3920 strerror(-ret));
3921 exit(1);
3922 }
3923 break;
3924 }
3925 case QEMU_OPTION_spice:
3926 olist = qemu_find_opts("spice");
3927 if (!olist) {
3928 error_report("spice support is disabled");
3929 exit(1);
3930 }
3931 opts = qemu_opts_parse_noisily(olist, optarg, false);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 display_remote++;
3936 break;
3937 case QEMU_OPTION_writeconfig:
3938 {
3939 FILE *fp;
3940 if (strcmp(optarg, "-") == 0) {
3941 fp = stdout;
3942 } else {
3943 fp = fopen(optarg, "w");
3944 if (fp == NULL) {
3945 error_report("open %s: %s", optarg,
3946 strerror(errno));
3947 exit(1);
3948 }
3949 }
3950 qemu_config_write(fp);
3951 if (fp != stdout) {
3952 fclose(fp);
3953 }
3954 break;
3955 }
3956 case QEMU_OPTION_qtest:
3957 qtest_chrdev = optarg;
3958 break;
3959 case QEMU_OPTION_qtest_log:
3960 qtest_log = optarg;
3961 break;
3962 case QEMU_OPTION_sandbox:
3963 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3964 optarg, true);
3965 if (!opts) {
3966 exit(1);
3967 }
3968 break;
3969 case QEMU_OPTION_add_fd:
3970 #ifndef _WIN32
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3972 optarg, false);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 #else
3977 error_report("File descriptor passing is disabled on this "
3978 "platform");
3979 exit(1);
3980 #endif
3981 break;
3982 case QEMU_OPTION_object:
3983 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3984 optarg, true);
3985 if (!opts) {
3986 exit(1);
3987 }
3988 break;
3989 case QEMU_OPTION_realtime:
3990 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3991 optarg, false);
3992 if (!opts) {
3993 exit(1);
3994 }
3995 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3996 break;
3997 case QEMU_OPTION_msg:
3998 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3999 false);
4000 if (!opts) {
4001 exit(1);
4002 }
4003 configure_msg(opts);
4004 break;
4005 case QEMU_OPTION_dump_vmstate:
4006 if (vmstate_dump_file) {
4007 error_report("only one '-dump-vmstate' "
4008 "option may be given");
4009 exit(1);
4010 }
4011 vmstate_dump_file = fopen(optarg, "w");
4012 if (vmstate_dump_file == NULL) {
4013 error_report("open %s: %s", optarg, strerror(errno));
4014 exit(1);
4015 }
4016 break;
4017 default:
4018 os_parse_cmd_args(popt->index, optarg);
4019 }
4020 }
4021 }
4022
4023 replay_configure(icount_opts);
4024
4025 opts = qemu_get_machine_opts();
4026 optarg = qemu_opt_get(opts, "type");
4027 if (optarg) {
4028 machine_class = machine_parse(optarg);
4029 }
4030
4031 if (machine_class == NULL) {
4032 error_report("No machine specified, and there is no default");
4033 error_printf("Use -machine help to list supported machines\n");
4034 exit(1);
4035 }
4036
4037 set_memory_options(&ram_slots, &maxram_size, machine_class);
4038
4039 loc_set_none();
4040
4041 os_daemonize();
4042
4043 if (qemu_init_main_loop(&main_loop_err)) {
4044 error_report_err(main_loop_err);
4045 exit(1);
4046 }
4047
4048 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4049 parse_sandbox, NULL, NULL)) {
4050 exit(1);
4051 }
4052
4053 if (qemu_opts_foreach(qemu_find_opts("name"),
4054 parse_name, NULL, NULL)) {
4055 exit(1);
4056 }
4057
4058 #ifndef _WIN32
4059 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4060 parse_add_fd, NULL, NULL)) {
4061 exit(1);
4062 }
4063
4064 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4065 cleanup_add_fd, NULL, NULL)) {
4066 exit(1);
4067 }
4068 #endif
4069
4070 current_machine = MACHINE(object_new(object_class_get_name(
4071 OBJECT_CLASS(machine_class))));
4072 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4073 exit(0);
4074 }
4075 object_property_add_child(object_get_root(), "machine",
4076 OBJECT(current_machine), &error_abort);
4077 cpu_exec_init_all();
4078
4079 if (machine_class->hw_version) {
4080 qemu_set_hw_version(machine_class->hw_version);
4081 }
4082
4083 /* Init CPU def lists, based on config
4084 * - Must be called after all the qemu_read_config_file() calls
4085 * - Must be called before list_cpus()
4086 * - Must be called before machine->init()
4087 */
4088 cpudef_init();
4089
4090 if (cpu_model && is_help_option(cpu_model)) {
4091 list_cpus(stdout, &fprintf, cpu_model);
4092 exit(0);
4093 }
4094
4095 /* Open the logfile at this point and set the log mask if necessary.
4096 */
4097 if (log_file) {
4098 qemu_set_log_filename(log_file);
4099 }
4100
4101 if (log_mask) {
4102 int mask;
4103 mask = qemu_str_to_log_mask(log_mask);
4104 if (!mask) {
4105 qemu_print_log_usage(stdout);
4106 exit(1);
4107 }
4108 qemu_set_log(mask);
4109 }
4110
4111 if (!is_daemonized()) {
4112 if (!trace_init_backends(trace_events, trace_file)) {
4113 exit(1);
4114 }
4115 }
4116
4117 /* If no data_dir is specified then try to find it relative to the
4118 executable path. */
4119 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4120 data_dir[data_dir_idx] = os_find_datadir();
4121 if (data_dir[data_dir_idx] != NULL) {
4122 data_dir_idx++;
4123 }
4124 }
4125 /* If all else fails use the install path specified when building. */
4126 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4127 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4128 }
4129
4130 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4131
4132 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4133 if (max_cpus > machine_class->max_cpus) {
4134 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4135 "supported by machine '%s' (%d)", max_cpus,
4136 machine_class->name, machine_class->max_cpus);
4137 exit(1);
4138 }
4139
4140 /*
4141 * Get the default machine options from the machine if it is not already
4142 * specified either by the configuration file or by the command line.
4143 */
4144 if (machine_class->default_machine_opts) {
4145 qemu_opts_set_defaults(qemu_find_opts("machine"),
4146 machine_class->default_machine_opts, 0);
4147 }
4148
4149 qemu_opts_foreach(qemu_find_opts("device"),
4150 default_driver_check, NULL, NULL);
4151 qemu_opts_foreach(qemu_find_opts("global"),
4152 default_driver_check, NULL, NULL);
4153
4154 if (!vga_model && !default_vga) {
4155 vga_interface_type = VGA_DEVICE;
4156 }
4157 if (!has_defaults || machine_class->no_serial) {
4158 default_serial = 0;
4159 }
4160 if (!has_defaults || machine_class->no_parallel) {
4161 default_parallel = 0;
4162 }
4163 if (!has_defaults || !machine_class->use_virtcon) {
4164 default_virtcon = 0;
4165 }
4166 if (!has_defaults || !machine_class->use_sclp) {
4167 default_sclp = 0;
4168 }
4169 if (!has_defaults || machine_class->no_floppy) {
4170 default_floppy = 0;
4171 }
4172 if (!has_defaults || machine_class->no_cdrom) {
4173 default_cdrom = 0;
4174 }
4175 if (!has_defaults || machine_class->no_sdcard) {
4176 default_sdcard = 0;
4177 }
4178 if (!has_defaults) {
4179 default_monitor = 0;
4180 default_net = 0;
4181 default_vga = 0;
4182 }
4183
4184 if (is_daemonized()) {
4185 /* According to documentation and historically, -nographic redirects
4186 * serial port, parallel port and monitor to stdio, which does not work
4187 * with -daemonize. We can redirect these to null instead, but since
4188 * -nographic is legacy, let's just error out.
4189 * We disallow -nographic only if all other ports are not redirected
4190 * explicitly, to not break existing legacy setups which uses
4191 * -nographic _and_ redirects all ports explicitly - this is valid
4192 * usage, -nographic is just a no-op in this case.
4193 */
4194 if (display_type == DT_NOGRAPHIC
4195 && (default_parallel || default_serial
4196 || default_monitor || default_virtcon)) {
4197 error_report("-nographic cannot be used with -daemonize");
4198 exit(1);
4199 }
4200 #ifdef CONFIG_CURSES
4201 if (display_type == DT_CURSES) {
4202 error_report("curses display cannot be used with -daemonize");
4203 exit(1);
4204 }
4205 #endif
4206 }
4207
4208 if (display_type == DT_NOGRAPHIC) {
4209 if (default_parallel)
4210 add_device_config(DEV_PARALLEL, "null");
4211 if (default_serial && default_monitor) {
4212 add_device_config(DEV_SERIAL, "mon:stdio");
4213 } else if (default_virtcon && default_monitor) {
4214 add_device_config(DEV_VIRTCON, "mon:stdio");
4215 } else if (default_sclp && default_monitor) {
4216 add_device_config(DEV_SCLP, "mon:stdio");
4217 } else {
4218 if (default_serial)
4219 add_device_config(DEV_SERIAL, "stdio");
4220 if (default_virtcon)
4221 add_device_config(DEV_VIRTCON, "stdio");
4222 if (default_sclp) {
4223 add_device_config(DEV_SCLP, "stdio");
4224 }
4225 if (default_monitor)
4226 monitor_parse("stdio", "readline", false);
4227 }
4228 } else {
4229 if (default_serial)
4230 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4231 if (default_parallel)
4232 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4233 if (default_monitor)
4234 monitor_parse("vc:80Cx24C", "readline", false);
4235 if (default_virtcon)
4236 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4237 if (default_sclp) {
4238 add_device_config(DEV_SCLP, "vc:80Cx24C");
4239 }
4240 }
4241
4242 #if defined(CONFIG_VNC)
4243 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4244 display_remote++;
4245 }
4246 #endif
4247 if (display_type == DT_DEFAULT && !display_remote) {
4248 #if defined(CONFIG_GTK)
4249 display_type = DT_GTK;
4250 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4251 display_type = DT_SDL;
4252 #elif defined(CONFIG_VNC)
4253 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4254 show_vnc_port = 1;
4255 #else
4256 display_type = DT_NONE;
4257 #endif
4258 }
4259
4260 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4261 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4262 "for SDL, ignoring option");
4263 }
4264 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4265 error_report("-no-quit is only valid for GTK and SDL, "
4266 "ignoring option");
4267 }
4268
4269 #if defined(CONFIG_GTK)
4270 if (display_type == DT_GTK) {
4271 early_gtk_display_init(request_opengl);
4272 }
4273 #endif
4274 #if defined(CONFIG_SDL)
4275 if (display_type == DT_SDL) {
4276 sdl_display_early_init(request_opengl);
4277 }
4278 #endif
4279 if (request_opengl == 1 && display_opengl == 0) {
4280 #if defined(CONFIG_OPENGL)
4281 error_report("OpenGL is not supported by the display");
4282 #else
4283 error_report("OpenGL support is disabled");
4284 #endif
4285 exit(1);
4286 }
4287
4288 page_size_init();
4289 socket_init();
4290
4291 if (qemu_opts_foreach(qemu_find_opts("object"),
4292 object_create,
4293 object_create_initial, NULL)) {
4294 exit(1);
4295 }
4296
4297 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4298 chardev_init_func, NULL, NULL)) {
4299 exit(1);
4300 }
4301
4302 #ifdef CONFIG_VIRTFS
4303 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4304 fsdev_init_func, NULL, NULL)) {
4305 exit(1);
4306 }
4307 #endif
4308
4309 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4310 error_report("could not acquire pid file: %s", strerror(errno));
4311 exit(1);
4312 }
4313
4314 if (qemu_opts_foreach(qemu_find_opts("device"),
4315 device_help_func, NULL, NULL)) {
4316 exit(0);
4317 }
4318
4319 machine_opts = qemu_get_machine_opts();
4320 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4321 NULL)) {
4322 object_unref(OBJECT(current_machine));
4323 exit(1);
4324 }
4325
4326 configure_accelerator(current_machine);
4327
4328 if (qtest_chrdev) {
4329 Error *local_err = NULL;
4330 qtest_init(qtest_chrdev, qtest_log, &local_err);
4331 if (local_err) {
4332 error_report_err(local_err);
4333 exit(1);
4334 }
4335 }
4336
4337 machine_opts = qemu_get_machine_opts();
4338 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4339 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4340 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4341 bios_name = qemu_opt_get(machine_opts, "firmware");
4342
4343 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4344 if (opts) {
4345 Error *local_err = NULL;
4346
4347 boot_order = qemu_opt_get(opts, "order");
4348 if (boot_order) {
4349 validate_bootdevices(boot_order, &local_err);
4350 if (local_err) {
4351 error_report_err(local_err);
4352 exit(1);
4353 }
4354 }
4355
4356 boot_once = qemu_opt_get(opts, "once");
4357 if (boot_once) {
4358 validate_bootdevices(boot_once, &local_err);
4359 if (local_err) {
4360 error_report_err(local_err);
4361 exit(1);
4362 }
4363 }
4364
4365 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4366 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4367 }
4368
4369 if (!boot_order) {
4370 boot_order = machine_class->default_boot_order;
4371 }
4372
4373 if (!kernel_cmdline) {
4374 kernel_cmdline = "";
4375 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4376 }
4377
4378 linux_boot = (kernel_filename != NULL);
4379
4380 if (!linux_boot && *kernel_cmdline != '\0') {
4381 error_report("-append only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (!linux_boot && initrd_filename != NULL) {
4386 error_report("-initrd only allowed with -kernel option");
4387 exit(1);
4388 }
4389
4390 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4391 error_report("-dtb only allowed with -kernel option");
4392 exit(1);
4393 }
4394
4395 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4396 /* fall back to the -kernel/-append */
4397 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4398 }
4399
4400 os_set_line_buffering();
4401
4402 #ifdef CONFIG_SPICE
4403 /* spice needs the timers to be initialized by this point */
4404 qemu_spice_init();
4405 #endif
4406
4407 cpu_ticks_init();
4408 if (icount_opts) {
4409 if (kvm_enabled() || xen_enabled()) {
4410 error_report("-icount is not allowed with kvm or xen");
4411 exit(1);
4412 }
4413 configure_icount(icount_opts, &error_abort);
4414 qemu_opts_del(icount_opts);
4415 }
4416
4417 /* clean up network at qemu process termination */
4418 atexit(&net_cleanup);
4419
4420 if (net_init_clients() < 0) {
4421 exit(1);
4422 }
4423
4424 if (qemu_opts_foreach(qemu_find_opts("object"),
4425 object_create,
4426 object_create_delayed, NULL)) {
4427 exit(1);
4428 }
4429
4430 #ifdef CONFIG_TPM
4431 if (tpm_init() < 0) {
4432 exit(1);
4433 }
4434 #endif
4435
4436 /* init the bluetooth world */
4437 if (foreach_device_config(DEV_BT, bt_parse))
4438 exit(1);
4439
4440 if (!xen_enabled()) {
4441 /* On 32-bit hosts, QEMU is limited by virtual address space */
4442 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4443 error_report("at most 2047 MB RAM can be simulated");
4444 exit(1);
4445 }
4446 }
4447
4448 blk_mig_init();
4449 ram_mig_init();
4450
4451 /* If the currently selected machine wishes to override the units-per-bus
4452 * property of its default HBA interface type, do so now. */
4453 if (machine_class->units_per_default_bus) {
4454 override_max_devs(machine_class->block_default_type,
4455 machine_class->units_per_default_bus);
4456 }
4457
4458 /* open the virtual block devices */
4459 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4460 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4461 NULL, NULL);
4462 }
4463 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4464 &machine_class->block_default_type, NULL)) {
4465 exit(1);
4466 }
4467
4468 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4469 CDROM_OPTS);
4470 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4471 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4472
4473 parse_numa_opts(machine_class);
4474
4475 if (qemu_opts_foreach(qemu_find_opts("mon"),
4476 mon_init_func, NULL, NULL)) {
4477 exit(1);
4478 }
4479
4480 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4483 exit(1);
4484 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4485 exit(1);
4486 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4487 exit(1);
4488 }
4489 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4490 exit(1);
4491
4492 /* If no default VGA is requested, the default is "none". */
4493 if (default_vga) {
4494 if (machine_class->default_display) {
4495 vga_model = machine_class->default_display;
4496 } else if (cirrus_vga_available()) {
4497 vga_model = "cirrus";
4498 } else if (vga_available()) {
4499 vga_model = "std";
4500 }
4501 }
4502 if (vga_model) {
4503 select_vgahw(vga_model);
4504 }
4505
4506 if (watchdog) {
4507 i = select_watchdog(watchdog);
4508 if (i > 0)
4509 exit (i == 1 ? 1 : 0);
4510 }
4511
4512 if (machine_class->compat_props) {
4513 qdev_prop_register_global_list(machine_class->compat_props);
4514 }
4515 qemu_add_globals();
4516
4517 /* This checkpoint is required by replay to separate prior clock
4518 reading from the other reads, because timer polling functions query
4519 clock values from the log. */
4520 replay_checkpoint(CHECKPOINT_INIT);
4521 qdev_machine_init();
4522
4523 current_machine->ram_size = ram_size;
4524 current_machine->maxram_size = maxram_size;
4525 current_machine->ram_slots = ram_slots;
4526 current_machine->boot_order = boot_order;
4527 current_machine->cpu_model = cpu_model;
4528
4529 machine_class->init(current_machine);
4530
4531 realtime_init();
4532
4533 audio_init();
4534
4535 cpu_synchronize_all_post_init();
4536
4537 numa_post_machine_init();
4538
4539 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4540 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4541 exit(1);
4542 }
4543
4544 /* init USB devices */
4545 if (usb_enabled()) {
4546 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4547 exit(1);
4548 }
4549
4550 /* Check if IGD GFX passthrough. */
4551 igd_gfx_passthru();
4552
4553 /* init generic devices */
4554 if (qemu_opts_foreach(qemu_find_opts("device"),
4555 device_init_func, NULL, NULL)) {
4556 exit(1);
4557 }
4558
4559 /* Did we create any drives that we failed to create a device for? */
4560 drive_check_orphaned();
4561
4562 net_check_clients();
4563
4564 if (boot_once) {
4565 Error *local_err = NULL;
4566 qemu_boot_set(boot_once, &local_err);
4567 if (local_err) {
4568 error_report("%s", error_get_pretty(local_err));
4569 exit(1);
4570 }
4571 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4572 }
4573
4574 ds = init_displaystate();
4575
4576 /* init local displays */
4577 switch (display_type) {
4578 case DT_NOGRAPHIC:
4579 (void)ds; /* avoid warning if no display is configured */
4580 break;
4581 #if defined(CONFIG_CURSES)
4582 case DT_CURSES:
4583 curses_display_init(ds, full_screen);
4584 break;
4585 #endif
4586 #if defined(CONFIG_SDL)
4587 case DT_SDL:
4588 sdl_display_init(ds, full_screen, no_frame);
4589 break;
4590 #elif defined(CONFIG_COCOA)
4591 case DT_SDL:
4592 cocoa_display_init(ds, full_screen);
4593 break;
4594 #endif
4595 #if defined(CONFIG_GTK)
4596 case DT_GTK:
4597 gtk_display_init(ds, full_screen, grab_on_hover);
4598 break;
4599 #endif
4600 default:
4601 break;
4602 }
4603
4604 /* must be after terminal init, SDL library changes signal handlers */
4605 os_setup_signal_handling();
4606
4607 #ifdef CONFIG_VNC
4608 /* init remote displays */
4609 qemu_opts_foreach(qemu_find_opts("vnc"),
4610 vnc_init_func, NULL, NULL);
4611 if (show_vnc_port) {
4612 char *ret = vnc_display_local_addr("default");
4613 printf("VNC server running on '%s'\n", ret);
4614 g_free(ret);
4615 }
4616 #endif
4617 #ifdef CONFIG_SPICE
4618 if (using_spice) {
4619 qemu_spice_display_init();
4620 }
4621 #endif
4622
4623 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4624 exit(1);
4625 }
4626
4627 qdev_machine_creation_done();
4628
4629 /* TODO: once all bus devices are qdevified, this should be done
4630 * when bus is created by qdev.c */
4631 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4632 qemu_run_machine_init_done_notifiers();
4633
4634 if (rom_check_and_register_reset() != 0) {
4635 error_report("rom check and register reset failed");
4636 exit(1);
4637 }
4638
4639 replay_start();
4640
4641 /* This checkpoint is required by replay to separate prior clock
4642 reading from the other reads, because timer polling functions query
4643 clock values from the log. */
4644 replay_checkpoint(CHECKPOINT_RESET);
4645 qemu_system_reset(VMRESET_SILENT);
4646 register_global_state();
4647 if (loadvm) {
4648 if (load_vmstate(loadvm) < 0) {
4649 autostart = 0;
4650 }
4651 }
4652
4653 qdev_prop_check_globals();
4654 if (vmstate_dump_file) {
4655 /* dump and exit */
4656 dump_vmstate_json_to_file(vmstate_dump_file);
4657 return 0;
4658 }
4659
4660 if (incoming) {
4661 Error *local_err = NULL;
4662 qemu_start_incoming_migration(incoming, &local_err);
4663 if (local_err) {
4664 error_report("-incoming %s: %s", incoming,
4665 error_get_pretty(local_err));
4666 error_free(local_err);
4667 exit(1);
4668 }
4669 } else if (autostart) {
4670 vm_start();
4671 }
4672
4673 os_setup_post();
4674
4675 if (is_daemonized()) {
4676 if (!trace_init_backends(trace_events, trace_file)) {
4677 exit(1);
4678 }
4679 }
4680
4681 main_loop();
4682 replay_disable_events();
4683
4684 bdrv_close_all();
4685 pause_all_vcpus();
4686 res_free();
4687 #ifdef CONFIG_TPM
4688 tpm_cleanup();
4689 #endif
4690
4691 return 0;
4692 }
QEmu