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block/backup: make backup cluster size configurable
[qemu.git] / vl.c
blobb87e29268cf3ed1e973579906ecd14f71eb981d9
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 "qemu/osdep.h"
25
26
27 #ifdef CONFIG_SECCOMP
28 #include "sysemu/seccomp.h"
29 #endif
30
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
33 #endif
34
35 #ifdef CONFIG_SDL
36 #if defined(__APPLE__) || defined(main)
37 #include <SDL.h>
38 int qemu_main(int argc, char **argv, char **envp);
39 int main(int argc, char **argv)
40 {
41 return qemu_main(argc, argv, NULL);
42 }
43 #undef main
44 #define main qemu_main
45 #endif
46 #endif /* CONFIG_SDL */
47
48 #ifdef CONFIG_COCOA
49 #undef main
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
52
53 #include <glib.h>
54
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
57 #include "hw/hw.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
60 #include "hw/usb.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
63 #include "hw/bt.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "sysemu/char.h"
80 #include "qemu/bitmap.h"
81 #include "sysemu/blockdev.h"
82 #include "hw/block/block.h"
83 #include "migration/block.h"
84 #include "sysemu/tpm.h"
85 #include "sysemu/dma.h"
86 #include "audio/audio.h"
87 #include "migration/migration.h"
88 #include "sysemu/kvm.h"
89 #include "qapi/qmp/qjson.h"
90 #include "qemu/option.h"
91 #include "qemu/config-file.h"
92 #include "qemu-options.h"
93 #include "qmp-commands.h"
94 #include "qemu/main-loop.h"
95 #ifdef CONFIG_VIRTFS
96 #include "fsdev/qemu-fsdev.h"
97 #endif
98 #include "sysemu/qtest.h"
99
100 #include "disas/disas.h"
101
102
103 #include "slirp/libslirp.h"
104
105 #include "trace.h"
106 #include "trace/control.h"
107 #include "qemu/queue.h"
108 #include "sysemu/cpus.h"
109 #include "sysemu/arch_init.h"
110
111 #include "ui/qemu-spice.h"
112 #include "qapi/string-input-visitor.h"
113 #include "qapi/opts-visitor.h"
114 #include "qom/object_interfaces.h"
115 #include "qapi-event.h"
116 #include "exec/semihost.h"
117 #include "crypto/init.h"
118 #include "sysemu/replay.h"
119 #include "qapi/qmp/qerror.h"
120
121 #define MAX_VIRTIO_CONSOLES 1
122 #define MAX_SCLP_CONSOLES 1
123
124 static const char *data_dir[16];
125 static int data_dir_idx;
126 const char *bios_name = NULL;
127 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
128 DisplayType display_type = DT_DEFAULT;
129 int request_opengl = -1;
130 int display_opengl;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 bool enable_mlock = false;
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210
211 static struct {
212 const char *driver;
213 int *flag;
214 } default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231 };
232
233 static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249 };
250
251 static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
583
584 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
591 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
594 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
595
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
605 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
624 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
625 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
627 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
629 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
631 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
632 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
633
634 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
635
636 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
641 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
642 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
643 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
645
646 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
647 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE__MAX, RUN_STATE__MAX },
655 };
656
657 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
658
659 bool runstate_check(RunState state)
660 {
661 return current_run_state == state;
662 }
663
664 bool runstate_store(char *str, size_t size)
665 {
666 const char *state = RunState_lookup[current_run_state];
667 size_t len = strlen(state) + 1;
668
669 if (len > size) {
670 return false;
671 }
672 memcpy(str, state, len);
673 return true;
674 }
675
676 static void runstate_init(void)
677 {
678 const RunStateTransition *p;
679
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
683 }
684
685 qemu_mutex_init(&vmstop_lock);
686 }
687
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
690 {
691 assert(new_state < RUN_STATE__MAX);
692
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 error_report("invalid runstate transition: '%s' -> '%s'",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
697 abort();
698 }
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
701 }
702
703 int runstate_is_running(void)
704 {
705 return runstate_check(RUN_STATE_RUNNING);
706 }
707
708 bool runstate_needs_reset(void)
709 {
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
712 }
713
714 StatusInfo *qmp_query_status(Error **errp)
715 {
716 StatusInfo *info = g_malloc0(sizeof(*info));
717
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
721
722 return info;
723 }
724
725 static bool qemu_vmstop_requested(RunState *r)
726 {
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE__MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE__MAX;
732 }
733
734 void qemu_system_vmstop_request_prepare(void)
735 {
736 qemu_mutex_lock(&vmstop_lock);
737 }
738
739 void qemu_system_vmstop_request(RunState state)
740 {
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
743 qemu_notify_event();
744 }
745
746 void vm_start(void)
747 {
748 RunState requested;
749
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE__MAX) {
752 return;
753 }
754
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
758 * the STOP event.
759 */
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
762 } else {
763 cpu_enable_ticks();
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
766 resume_all_vcpus();
767 }
768
769 qapi_event_send_resume(&error_abort);
770 }
771
772
773 /***********************************************************/
774 /* real time host monotonic timer */
775
776 static time_t qemu_time(void)
777 {
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
779 }
780
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
784 {
785 time_t ti = qemu_time();
786
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797 }
798
799 int qemu_timedate_diff(struct tm *tm)
800 {
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - qemu_time();
815 }
816
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 {
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = qemu_time() - rtc_start_date;
854 }
855 }
856
857 static void configure_rtc(QemuOpts *opts)
858 {
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
867 rtc_utc = 0;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
871 } else {
872 configure_rtc_date_offset(value, 0);
873 }
874 }
875 value = qemu_opt_get(opts, "clock");
876 if (value) {
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 value = qemu_opt_get(opts, "driftfix");
889 if (value) {
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks[] = {
892 {
893 .driver = "mc146818rtc",
894 .property = "lost_tick_policy",
895 .value = "slew",
896 },
897 { /* end of list */ }
898 };
899
900 qdev_prop_register_global_list(slew_lost_ticks);
901 } else if (!strcmp(value, "none")) {
902 /* discard is default */
903 } else {
904 error_report("invalid option value '%s'", value);
905 exit(1);
906 }
907 }
908 }
909
910 /***********************************************************/
911 /* Bluetooth support */
912 static int nb_hcis;
913 static int cur_hci;
914 static struct HCIInfo *hci_table[MAX_NICS];
915
916 struct HCIInfo *qemu_next_hci(void)
917 {
918 if (cur_hci == nb_hcis)
919 return &null_hci;
920
921 return hci_table[cur_hci++];
922 }
923
924 static int bt_hci_parse(const char *str)
925 {
926 struct HCIInfo *hci;
927 bdaddr_t bdaddr;
928
929 if (nb_hcis >= MAX_NICS) {
930 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
931 return -1;
932 }
933
934 hci = hci_init(str);
935 if (!hci)
936 return -1;
937
938 bdaddr.b[0] = 0x52;
939 bdaddr.b[1] = 0x54;
940 bdaddr.b[2] = 0x00;
941 bdaddr.b[3] = 0x12;
942 bdaddr.b[4] = 0x34;
943 bdaddr.b[5] = 0x56 + nb_hcis;
944 hci->bdaddr_set(hci, bdaddr.b);
945
946 hci_table[nb_hcis++] = hci;
947
948 return 0;
949 }
950
951 static void bt_vhci_add(int vlan_id)
952 {
953 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 error_report("warning: adding a VHCI to an empty scatternet %i",
957 vlan_id);
958
959 bt_vhci_init(bt_new_hci(vlan));
960 }
961
962 static struct bt_device_s *bt_device_add(const char *opt)
963 {
964 struct bt_scatternet_s *vlan;
965 int vlan_id = 0;
966 char *endp = strstr(opt, ",vlan=");
967 int len = (endp ? endp - opt : strlen(opt)) + 1;
968 char devname[10];
969
970 pstrcpy(devname, MIN(sizeof(devname), len), opt);
971
972 if (endp) {
973 vlan_id = strtol(endp + 6, &endp, 0);
974 if (*endp) {
975 error_report("unrecognised bluetooth vlan Id");
976 return 0;
977 }
978 }
979
980 vlan = qemu_find_bt_vlan(vlan_id);
981
982 if (!vlan->slave)
983 error_report("warning: adding a slave device to an empty scatternet %i",
984 vlan_id);
985
986 if (!strcmp(devname, "keyboard"))
987 return bt_keyboard_init(vlan);
988
989 error_report("unsupported bluetooth device '%s'", devname);
990 return 0;
991 }
992
993 static int bt_parse(const char *opt)
994 {
995 const char *endp, *p;
996 int vlan;
997
998 if (strstart(opt, "hci", &endp)) {
999 if (!*endp || *endp == ',') {
1000 if (*endp)
1001 if (!strstart(endp, ",vlan=", 0))
1002 opt = endp + 1;
1003
1004 return bt_hci_parse(opt);
1005 }
1006 } else if (strstart(opt, "vhci", &endp)) {
1007 if (!*endp || *endp == ',') {
1008 if (*endp) {
1009 if (strstart(endp, ",vlan=", &p)) {
1010 vlan = strtol(p, (char **) &endp, 0);
1011 if (*endp) {
1012 error_report("bad scatternet '%s'", p);
1013 return 1;
1014 }
1015 } else {
1016 error_report("bad parameter '%s'", endp + 1);
1017 return 1;
1018 }
1019 } else
1020 vlan = 0;
1021
1022 bt_vhci_add(vlan);
1023 return 0;
1024 }
1025 } else if (strstart(opt, "device:", &endp))
1026 return !bt_device_add(endp);
1027
1028 error_report("bad bluetooth parameter '%s'", opt);
1029 return 1;
1030 }
1031
1032 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1033 {
1034 /* FIXME: change this to true for 1.3 */
1035 if (qemu_opt_get_bool(opts, "enable", false)) {
1036 #ifdef CONFIG_SECCOMP
1037 if (seccomp_start() < 0) {
1038 error_report("failed to install seccomp syscall filter "
1039 "in the kernel");
1040 return -1;
1041 }
1042 #else
1043 error_report("seccomp support is disabled");
1044 return -1;
1045 #endif
1046 }
1047
1048 return 0;
1049 }
1050
1051 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1052 {
1053 const char *proc_name;
1054
1055 if (qemu_opt_get(opts, "debug-threads")) {
1056 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1057 }
1058 qemu_name = qemu_opt_get(opts, "guest");
1059
1060 proc_name = qemu_opt_get(opts, "process");
1061 if (proc_name) {
1062 os_set_proc_name(proc_name);
1063 }
1064
1065 return 0;
1066 }
1067
1068 bool defaults_enabled(void)
1069 {
1070 return has_defaults;
1071 }
1072
1073 bool usb_enabled(void)
1074 {
1075 return machine_usb(current_machine);
1076 }
1077
1078 #ifndef _WIN32
1079 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1080 {
1081 int fd, dupfd, flags;
1082 int64_t fdset_id;
1083 const char *fd_opaque = NULL;
1084 AddfdInfo *fdinfo;
1085
1086 fd = qemu_opt_get_number(opts, "fd", -1);
1087 fdset_id = qemu_opt_get_number(opts, "set", -1);
1088 fd_opaque = qemu_opt_get(opts, "opaque");
1089
1090 if (fd < 0) {
1091 error_report("fd option is required and must be non-negative");
1092 return -1;
1093 }
1094
1095 if (fd <= STDERR_FILENO) {
1096 error_report("fd cannot be a standard I/O stream");
1097 return -1;
1098 }
1099
1100 /*
1101 * All fds inherited across exec() necessarily have FD_CLOEXEC
1102 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1103 */
1104 flags = fcntl(fd, F_GETFD);
1105 if (flags == -1 || (flags & FD_CLOEXEC)) {
1106 error_report("fd is not valid or already in use");
1107 return -1;
1108 }
1109
1110 if (fdset_id < 0) {
1111 error_report("set option is required and must be non-negative");
1112 return -1;
1113 }
1114
1115 #ifdef F_DUPFD_CLOEXEC
1116 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1117 #else
1118 dupfd = dup(fd);
1119 if (dupfd != -1) {
1120 qemu_set_cloexec(dupfd);
1121 }
1122 #endif
1123 if (dupfd == -1) {
1124 error_report("error duplicating fd: %s", strerror(errno));
1125 return -1;
1126 }
1127
1128 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1129 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1130 &error_abort);
1131 g_free(fdinfo);
1132
1133 return 0;
1134 }
1135
1136 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1137 {
1138 int fd;
1139
1140 fd = qemu_opt_get_number(opts, "fd", -1);
1141 close(fd);
1142
1143 return 0;
1144 }
1145 #endif
1146
1147 /***********************************************************/
1148 /* QEMU Block devices */
1149
1150 #define HD_OPTS "media=disk"
1151 #define CDROM_OPTS "media=cdrom"
1152 #define FD_OPTS ""
1153 #define PFLASH_OPTS ""
1154 #define MTD_OPTS ""
1155 #define SD_OPTS ""
1156
1157 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1158 {
1159 BlockInterfaceType *block_default_type = opaque;
1160
1161 return drive_new(opts, *block_default_type) == NULL;
1162 }
1163
1164 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1165 {
1166 if (qemu_opt_get(opts, "snapshot") == NULL) {
1167 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1168 }
1169 return 0;
1170 }
1171
1172 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1173 int index, const char *optstr)
1174 {
1175 QemuOpts *opts;
1176 DriveInfo *dinfo;
1177
1178 if (!enable || drive_get_by_index(type, index)) {
1179 return;
1180 }
1181
1182 opts = drive_add(type, index, NULL, optstr);
1183 if (snapshot) {
1184 drive_enable_snapshot(NULL, opts, NULL);
1185 }
1186
1187 dinfo = drive_new(opts, type);
1188 if (!dinfo) {
1189 exit(1);
1190 }
1191 dinfo->is_default = true;
1192
1193 }
1194
1195 static QemuOptsList qemu_smp_opts = {
1196 .name = "smp-opts",
1197 .implied_opt_name = "cpus",
1198 .merge_lists = true,
1199 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1200 .desc = {
1201 {
1202 .name = "cpus",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "sockets",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "cores",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "threads",
1212 .type = QEMU_OPT_NUMBER,
1213 }, {
1214 .name = "maxcpus",
1215 .type = QEMU_OPT_NUMBER,
1216 },
1217 { /*End of list */ }
1218 },
1219 };
1220
1221 static void smp_parse(QemuOpts *opts)
1222 {
1223 if (opts) {
1224
1225 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1226 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1227 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1228 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1229
1230 /* compute missing values, prefer sockets over cores over threads */
1231 if (cpus == 0 || sockets == 0) {
1232 sockets = sockets > 0 ? sockets : 1;
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1235 if (cpus == 0) {
1236 cpus = cores * threads * sockets;
1237 }
1238 } else if (cores == 0) {
1239 threads = threads > 0 ? threads : 1;
1240 cores = cpus / (sockets * threads);
1241 } else if (threads == 0) {
1242 threads = cpus / (cores * sockets);
1243 } else if (sockets * cores * threads < cpus) {
1244 error_report("cpu topology: "
1245 "sockets (%u) * cores (%u) * threads (%u) < "
1246 "smp_cpus (%u)",
1247 sockets, cores, threads, cpus);
1248 exit(1);
1249 }
1250
1251 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1252 if (sockets * cores * threads > max_cpus) {
1253 error_report("cpu topology: "
1254 "sockets (%u) * cores (%u) * threads (%u) > "
1255 "maxcpus (%u)",
1256 sockets, cores, threads, max_cpus);
1257 exit(1);
1258 }
1259
1260 smp_cpus = cpus;
1261 smp_cores = cores > 0 ? cores : 1;
1262 smp_threads = threads > 0 ? threads : 1;
1263
1264 }
1265
1266 if (max_cpus == 0) {
1267 max_cpus = smp_cpus;
1268 }
1269
1270 if (max_cpus > MAX_CPUMASK_BITS) {
1271 error_report("unsupported number of maxcpus");
1272 exit(1);
1273 }
1274 if (max_cpus < smp_cpus) {
1275 error_report("maxcpus must be equal to or greater than smp");
1276 exit(1);
1277 }
1278
1279 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1280 Error *blocker = NULL;
1281 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1282 replay_add_blocker(blocker);
1283 }
1284 }
1285
1286 static void realtime_init(void)
1287 {
1288 if (enable_mlock) {
1289 if (os_mlock() < 0) {
1290 error_report("locking memory failed");
1291 exit(1);
1292 }
1293 }
1294 }
1295
1296
1297 static void configure_msg(QemuOpts *opts)
1298 {
1299 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1300 }
1301
1302 /***********************************************************/
1303 /* Semihosting */
1304
1305 typedef struct SemihostingConfig {
1306 bool enabled;
1307 SemihostingTarget target;
1308 const char **argv;
1309 int argc;
1310 const char *cmdline; /* concatenated argv */
1311 } SemihostingConfig;
1312
1313 static SemihostingConfig semihosting;
1314
1315 bool semihosting_enabled(void)
1316 {
1317 return semihosting.enabled;
1318 }
1319
1320 SemihostingTarget semihosting_get_target(void)
1321 {
1322 return semihosting.target;
1323 }
1324
1325 const char *semihosting_get_arg(int i)
1326 {
1327 if (i >= semihosting.argc) {
1328 return NULL;
1329 }
1330 return semihosting.argv[i];
1331 }
1332
1333 int semihosting_get_argc(void)
1334 {
1335 return semihosting.argc;
1336 }
1337
1338 const char *semihosting_get_cmdline(void)
1339 {
1340 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1341 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1342 }
1343 return semihosting.cmdline;
1344 }
1345
1346 static int add_semihosting_arg(void *opaque,
1347 const char *name, const char *val,
1348 Error **errp)
1349 {
1350 SemihostingConfig *s = opaque;
1351 if (strcmp(name, "arg") == 0) {
1352 s->argc++;
1353 /* one extra element as g_strjoinv() expects NULL-terminated array */
1354 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1355 s->argv[s->argc - 1] = val;
1356 s->argv[s->argc] = NULL;
1357 }
1358 return 0;
1359 }
1360
1361 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1362 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1363 {
1364 char *cmd_token;
1365
1366 /* argv[0] */
1367 add_semihosting_arg(&semihosting, "arg", file, NULL);
1368
1369 /* split -append and initialize argv[1..n] */
1370 cmd_token = strtok(g_strdup(cmd), " ");
1371 while (cmd_token) {
1372 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1373 cmd_token = strtok(NULL, " ");
1374 }
1375 }
1376
1377 /* Now we still need this for compatibility with XEN. */
1378 bool has_igd_gfx_passthru;
1379 static void igd_gfx_passthru(void)
1380 {
1381 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1382 }
1383
1384 /***********************************************************/
1385 /* USB devices */
1386
1387 static int usb_device_add(const char *devname)
1388 {
1389 USBDevice *dev = NULL;
1390 #ifndef CONFIG_LINUX
1391 const char *p;
1392 #endif
1393
1394 if (!usb_enabled()) {
1395 return -1;
1396 }
1397
1398 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1399 dev = usbdevice_create(devname);
1400 if (dev)
1401 goto done;
1402
1403 /* the other ones */
1404 #ifndef CONFIG_LINUX
1405 /* only the linux version is qdev-ified, usb-bsd still needs this */
1406 if (strstart(devname, "host:", &p)) {
1407 dev = usb_host_device_open(usb_bus_find(-1), p);
1408 }
1409 #endif
1410 if (!dev)
1411 return -1;
1412
1413 done:
1414 return 0;
1415 }
1416
1417 static int usb_device_del(const char *devname)
1418 {
1419 int bus_num, addr;
1420 const char *p;
1421
1422 if (strstart(devname, "host:", &p)) {
1423 return -1;
1424 }
1425
1426 if (!usb_enabled()) {
1427 return -1;
1428 }
1429
1430 p = strchr(devname, '.');
1431 if (!p)
1432 return -1;
1433 bus_num = strtoul(devname, NULL, 0);
1434 addr = strtoul(p + 1, NULL, 0);
1435
1436 return usb_device_delete_addr(bus_num, addr);
1437 }
1438
1439 static int usb_parse(const char *cmdline)
1440 {
1441 int r;
1442 r = usb_device_add(cmdline);
1443 if (r < 0) {
1444 error_report("could not add USB device '%s'", cmdline);
1445 }
1446 return r;
1447 }
1448
1449 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1450 {
1451 const char *devname = qdict_get_str(qdict, "devname");
1452 if (usb_device_add(devname) < 0) {
1453 error_report("could not add USB device '%s'", devname);
1454 }
1455 }
1456
1457 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1458 {
1459 const char *devname = qdict_get_str(qdict, "devname");
1460 if (usb_device_del(devname) < 0) {
1461 error_report("could not delete USB device '%s'", devname);
1462 }
1463 }
1464
1465 /***********************************************************/
1466 /* machine registration */
1467
1468 MachineState *current_machine;
1469
1470 static MachineClass *find_machine(const char *name)
1471 {
1472 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1473 MachineClass *mc = NULL;
1474
1475 for (el = machines; el; el = el->next) {
1476 MachineClass *temp = el->data;
1477
1478 if (!strcmp(temp->name, name)) {
1479 mc = temp;
1480 break;
1481 }
1482 if (temp->alias &&
1483 !strcmp(temp->alias, name)) {
1484 mc = temp;
1485 break;
1486 }
1487 }
1488
1489 g_slist_free(machines);
1490 return mc;
1491 }
1492
1493 MachineClass *find_default_machine(void)
1494 {
1495 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1496 MachineClass *mc = NULL;
1497
1498 for (el = machines; el; el = el->next) {
1499 MachineClass *temp = el->data;
1500
1501 if (temp->is_default) {
1502 mc = temp;
1503 break;
1504 }
1505 }
1506
1507 g_slist_free(machines);
1508 return mc;
1509 }
1510
1511 MachineInfoList *qmp_query_machines(Error **errp)
1512 {
1513 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1514 MachineInfoList *mach_list = NULL;
1515
1516 for (el = machines; el; el = el->next) {
1517 MachineClass *mc = el->data;
1518 MachineInfoList *entry;
1519 MachineInfo *info;
1520
1521 info = g_malloc0(sizeof(*info));
1522 if (mc->is_default) {
1523 info->has_is_default = true;
1524 info->is_default = true;
1525 }
1526
1527 if (mc->alias) {
1528 info->has_alias = true;
1529 info->alias = g_strdup(mc->alias);
1530 }
1531
1532 info->name = g_strdup(mc->name);
1533 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1534
1535 entry = g_malloc0(sizeof(*entry));
1536 entry->value = info;
1537 entry->next = mach_list;
1538 mach_list = entry;
1539 }
1540
1541 g_slist_free(machines);
1542 return mach_list;
1543 }
1544
1545 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1546 {
1547 ObjectProperty *prop;
1548 ObjectPropertyIterator iter;
1549
1550 if (!qemu_opt_has_help_opt(opts)) {
1551 return 0;
1552 }
1553
1554 object_property_iter_init(&iter, OBJECT(machine));
1555 while ((prop = object_property_iter_next(&iter))) {
1556 if (!prop->set) {
1557 continue;
1558 }
1559
1560 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1561 prop->name, prop->type);
1562 if (prop->description) {
1563 error_printf(" (%s)\n", prop->description);
1564 } else {
1565 error_printf("\n");
1566 }
1567 }
1568
1569 return 1;
1570 }
1571
1572 /***********************************************************/
1573 /* main execution loop */
1574
1575 struct vm_change_state_entry {
1576 VMChangeStateHandler *cb;
1577 void *opaque;
1578 QLIST_ENTRY (vm_change_state_entry) entries;
1579 };
1580
1581 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1582
1583 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1584 void *opaque)
1585 {
1586 VMChangeStateEntry *e;
1587
1588 e = g_malloc0(sizeof (*e));
1589
1590 e->cb = cb;
1591 e->opaque = opaque;
1592 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1593 return e;
1594 }
1595
1596 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1597 {
1598 QLIST_REMOVE (e, entries);
1599 g_free (e);
1600 }
1601
1602 void vm_state_notify(int running, RunState state)
1603 {
1604 VMChangeStateEntry *e, *next;
1605
1606 trace_vm_state_notify(running, state);
1607
1608 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1609 e->cb(e->opaque, running, state);
1610 }
1611 }
1612
1613 /* reset/shutdown handler */
1614
1615 typedef struct QEMUResetEntry {
1616 QTAILQ_ENTRY(QEMUResetEntry) entry;
1617 QEMUResetHandler *func;
1618 void *opaque;
1619 } QEMUResetEntry;
1620
1621 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1622 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1623 static int reset_requested;
1624 static int shutdown_requested, shutdown_signal = -1;
1625 static pid_t shutdown_pid;
1626 static int powerdown_requested;
1627 static int debug_requested;
1628 static int suspend_requested;
1629 static WakeupReason wakeup_reason;
1630 static NotifierList powerdown_notifiers =
1631 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1632 static NotifierList suspend_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1634 static NotifierList wakeup_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1636 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1637
1638 int qemu_shutdown_requested_get(void)
1639 {
1640 return shutdown_requested;
1641 }
1642
1643 int qemu_reset_requested_get(void)
1644 {
1645 return reset_requested;
1646 }
1647
1648 static int qemu_shutdown_requested(void)
1649 {
1650 return atomic_xchg(&shutdown_requested, 0);
1651 }
1652
1653 static void qemu_kill_report(void)
1654 {
1655 if (!qtest_driver() && shutdown_signal != -1) {
1656 if (shutdown_pid == 0) {
1657 /* This happens for eg ^C at the terminal, so it's worth
1658 * avoiding printing an odd message in that case.
1659 */
1660 error_report("terminating on signal %d", shutdown_signal);
1661 } else {
1662 error_report("terminating on signal %d from pid " FMT_pid,
1663 shutdown_signal, shutdown_pid);
1664 }
1665 shutdown_signal = -1;
1666 }
1667 }
1668
1669 static int qemu_reset_requested(void)
1670 {
1671 int r = reset_requested;
1672 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1673 reset_requested = 0;
1674 return r;
1675 }
1676 return false;
1677 }
1678
1679 static int qemu_suspend_requested(void)
1680 {
1681 int r = suspend_requested;
1682 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1683 suspend_requested = 0;
1684 return r;
1685 }
1686 return false;
1687 }
1688
1689 static WakeupReason qemu_wakeup_requested(void)
1690 {
1691 return wakeup_reason;
1692 }
1693
1694 static int qemu_powerdown_requested(void)
1695 {
1696 int r = powerdown_requested;
1697 powerdown_requested = 0;
1698 return r;
1699 }
1700
1701 static int qemu_debug_requested(void)
1702 {
1703 int r = debug_requested;
1704 debug_requested = 0;
1705 return r;
1706 }
1707
1708 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1709 {
1710 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1711
1712 re->func = func;
1713 re->opaque = opaque;
1714 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1715 }
1716
1717 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1718 {
1719 QEMUResetEntry *re;
1720
1721 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1722 if (re->func == func && re->opaque == opaque) {
1723 QTAILQ_REMOVE(&reset_handlers, re, entry);
1724 g_free(re);
1725 return;
1726 }
1727 }
1728 }
1729
1730 void qemu_devices_reset(void)
1731 {
1732 QEMUResetEntry *re, *nre;
1733
1734 /* reset all devices */
1735 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1736 re->func(re->opaque);
1737 }
1738 }
1739
1740 void qemu_system_reset(bool report)
1741 {
1742 MachineClass *mc;
1743
1744 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1745
1746 if (mc && mc->reset) {
1747 mc->reset();
1748 } else {
1749 qemu_devices_reset();
1750 }
1751 if (report) {
1752 qapi_event_send_reset(&error_abort);
1753 }
1754 cpu_synchronize_all_post_reset();
1755 }
1756
1757 void qemu_system_guest_panicked(void)
1758 {
1759 if (current_cpu) {
1760 current_cpu->crash_occurred = true;
1761 }
1762 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1763 vm_stop(RUN_STATE_GUEST_PANICKED);
1764 }
1765
1766 void qemu_system_reset_request(void)
1767 {
1768 if (no_reboot) {
1769 shutdown_requested = 1;
1770 } else {
1771 reset_requested = 1;
1772 }
1773 cpu_stop_current();
1774 qemu_notify_event();
1775 }
1776
1777 static void qemu_system_suspend(void)
1778 {
1779 pause_all_vcpus();
1780 notifier_list_notify(&suspend_notifiers, NULL);
1781 runstate_set(RUN_STATE_SUSPENDED);
1782 qapi_event_send_suspend(&error_abort);
1783 }
1784
1785 void qemu_system_suspend_request(void)
1786 {
1787 if (runstate_check(RUN_STATE_SUSPENDED)) {
1788 return;
1789 }
1790 suspend_requested = 1;
1791 cpu_stop_current();
1792 qemu_notify_event();
1793 }
1794
1795 void qemu_register_suspend_notifier(Notifier *notifier)
1796 {
1797 notifier_list_add(&suspend_notifiers, notifier);
1798 }
1799
1800 void qemu_system_wakeup_request(WakeupReason reason)
1801 {
1802 trace_system_wakeup_request(reason);
1803
1804 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1805 return;
1806 }
1807 if (!(wakeup_reason_mask & (1 << reason))) {
1808 return;
1809 }
1810 runstate_set(RUN_STATE_RUNNING);
1811 wakeup_reason = reason;
1812 qemu_notify_event();
1813 }
1814
1815 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1816 {
1817 if (enabled) {
1818 wakeup_reason_mask |= (1 << reason);
1819 } else {
1820 wakeup_reason_mask &= ~(1 << reason);
1821 }
1822 }
1823
1824 void qemu_register_wakeup_notifier(Notifier *notifier)
1825 {
1826 notifier_list_add(&wakeup_notifiers, notifier);
1827 }
1828
1829 void qemu_system_killed(int signal, pid_t pid)
1830 {
1831 shutdown_signal = signal;
1832 shutdown_pid = pid;
1833 no_shutdown = 0;
1834
1835 /* Cannot call qemu_system_shutdown_request directly because
1836 * we are in a signal handler.
1837 */
1838 shutdown_requested = 1;
1839 qemu_notify_event();
1840 }
1841
1842 void qemu_system_shutdown_request(void)
1843 {
1844 trace_qemu_system_shutdown_request();
1845 replay_shutdown_request();
1846 shutdown_requested = 1;
1847 qemu_notify_event();
1848 }
1849
1850 static void qemu_system_powerdown(void)
1851 {
1852 qapi_event_send_powerdown(&error_abort);
1853 notifier_list_notify(&powerdown_notifiers, NULL);
1854 }
1855
1856 void qemu_system_powerdown_request(void)
1857 {
1858 trace_qemu_system_powerdown_request();
1859 powerdown_requested = 1;
1860 qemu_notify_event();
1861 }
1862
1863 void qemu_register_powerdown_notifier(Notifier *notifier)
1864 {
1865 notifier_list_add(&powerdown_notifiers, notifier);
1866 }
1867
1868 void qemu_system_debug_request(void)
1869 {
1870 debug_requested = 1;
1871 qemu_notify_event();
1872 }
1873
1874 static bool main_loop_should_exit(void)
1875 {
1876 RunState r;
1877 if (qemu_debug_requested()) {
1878 vm_stop(RUN_STATE_DEBUG);
1879 }
1880 if (qemu_suspend_requested()) {
1881 qemu_system_suspend();
1882 }
1883 if (qemu_shutdown_requested()) {
1884 qemu_kill_report();
1885 qapi_event_send_shutdown(&error_abort);
1886 if (no_shutdown) {
1887 vm_stop(RUN_STATE_SHUTDOWN);
1888 } else {
1889 return true;
1890 }
1891 }
1892 if (qemu_reset_requested()) {
1893 pause_all_vcpus();
1894 cpu_synchronize_all_states();
1895 qemu_system_reset(VMRESET_REPORT);
1896 resume_all_vcpus();
1897 if (!runstate_check(RUN_STATE_RUNNING) &&
1898 !runstate_check(RUN_STATE_INMIGRATE)) {
1899 runstate_set(RUN_STATE_PRELAUNCH);
1900 }
1901 }
1902 if (qemu_wakeup_requested()) {
1903 pause_all_vcpus();
1904 cpu_synchronize_all_states();
1905 qemu_system_reset(VMRESET_SILENT);
1906 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1907 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1908 resume_all_vcpus();
1909 qapi_event_send_wakeup(&error_abort);
1910 }
1911 if (qemu_powerdown_requested()) {
1912 qemu_system_powerdown();
1913 }
1914 if (qemu_vmstop_requested(&r)) {
1915 vm_stop(r);
1916 }
1917 return false;
1918 }
1919
1920 static void main_loop(void)
1921 {
1922 bool nonblocking;
1923 int last_io = 0;
1924 #ifdef CONFIG_PROFILER
1925 int64_t ti;
1926 #endif
1927 do {
1928 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1929 #ifdef CONFIG_PROFILER
1930 ti = profile_getclock();
1931 #endif
1932 last_io = main_loop_wait(nonblocking);
1933 #ifdef CONFIG_PROFILER
1934 dev_time += profile_getclock() - ti;
1935 #endif
1936 } while (!main_loop_should_exit());
1937 }
1938
1939 static void version(void)
1940 {
1941 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1942 }
1943
1944 static void help(int exitcode)
1945 {
1946 version();
1947 printf("usage: %s [options] [disk_image]\n\n"
1948 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1949 error_get_progname());
1950
1951 #define QEMU_OPTIONS_GENERATE_HELP
1952 #include "qemu-options-wrapper.h"
1953
1954 printf("\nDuring emulation, the following keys are useful:\n"
1955 "ctrl-alt-f toggle full screen\n"
1956 "ctrl-alt-n switch to virtual console 'n'\n"
1957 "ctrl-alt toggle mouse and keyboard grab\n"
1958 "\n"
1959 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1960
1961 exit(exitcode);
1962 }
1963
1964 #define HAS_ARG 0x0001
1965
1966 typedef struct QEMUOption {
1967 const char *name;
1968 int flags;
1969 int index;
1970 uint32_t arch_mask;
1971 } QEMUOption;
1972
1973 static const QEMUOption qemu_options[] = {
1974 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1975 #define QEMU_OPTIONS_GENERATE_OPTIONS
1976 #include "qemu-options-wrapper.h"
1977 { NULL },
1978 };
1979
1980 static bool vga_available(void)
1981 {
1982 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1983 }
1984
1985 static bool cirrus_vga_available(void)
1986 {
1987 return object_class_by_name("cirrus-vga")
1988 || object_class_by_name("isa-cirrus-vga");
1989 }
1990
1991 static bool vmware_vga_available(void)
1992 {
1993 return object_class_by_name("vmware-svga");
1994 }
1995
1996 static bool qxl_vga_available(void)
1997 {
1998 return object_class_by_name("qxl-vga");
1999 }
2000
2001 static bool tcx_vga_available(void)
2002 {
2003 return object_class_by_name("SUNW,tcx");
2004 }
2005
2006 static bool cg3_vga_available(void)
2007 {
2008 return object_class_by_name("cgthree");
2009 }
2010
2011 static bool virtio_vga_available(void)
2012 {
2013 return object_class_by_name("virtio-vga");
2014 }
2015
2016 static void select_vgahw (const char *p)
2017 {
2018 const char *opts;
2019
2020 assert(vga_interface_type == VGA_NONE);
2021 if (strstart(p, "std", &opts)) {
2022 if (vga_available()) {
2023 vga_interface_type = VGA_STD;
2024 } else {
2025 error_report("standard VGA not available");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "cirrus", &opts)) {
2029 if (cirrus_vga_available()) {
2030 vga_interface_type = VGA_CIRRUS;
2031 } else {
2032 error_report("Cirrus VGA not available");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "vmware", &opts)) {
2036 if (vmware_vga_available()) {
2037 vga_interface_type = VGA_VMWARE;
2038 } else {
2039 error_report("VMWare SVGA not available");
2040 exit(0);
2041 }
2042 } else if (strstart(p, "virtio", &opts)) {
2043 if (virtio_vga_available()) {
2044 vga_interface_type = VGA_VIRTIO;
2045 } else {
2046 error_report("Virtio VGA not available");
2047 exit(0);
2048 }
2049 } else if (strstart(p, "xenfb", &opts)) {
2050 vga_interface_type = VGA_XENFB;
2051 } else if (strstart(p, "qxl", &opts)) {
2052 if (qxl_vga_available()) {
2053 vga_interface_type = VGA_QXL;
2054 } else {
2055 error_report("QXL VGA not available");
2056 exit(0);
2057 }
2058 } else if (strstart(p, "tcx", &opts)) {
2059 if (tcx_vga_available()) {
2060 vga_interface_type = VGA_TCX;
2061 } else {
2062 error_report("TCX framebuffer not available");
2063 exit(0);
2064 }
2065 } else if (strstart(p, "cg3", &opts)) {
2066 if (cg3_vga_available()) {
2067 vga_interface_type = VGA_CG3;
2068 } else {
2069 error_report("CG3 framebuffer not available");
2070 exit(0);
2071 }
2072 } else if (!strstart(p, "none", &opts)) {
2073 invalid_vga:
2074 error_report("unknown vga type: %s", p);
2075 exit(1);
2076 }
2077 while (*opts) {
2078 const char *nextopt;
2079
2080 if (strstart(opts, ",retrace=", &nextopt)) {
2081 opts = nextopt;
2082 if (strstart(opts, "dumb", &nextopt))
2083 vga_retrace_method = VGA_RETRACE_DUMB;
2084 else if (strstart(opts, "precise", &nextopt))
2085 vga_retrace_method = VGA_RETRACE_PRECISE;
2086 else goto invalid_vga;
2087 } else goto invalid_vga;
2088 opts = nextopt;
2089 }
2090 }
2091
2092 static DisplayType select_display(const char *p)
2093 {
2094 const char *opts;
2095 DisplayType display = DT_DEFAULT;
2096
2097 if (strstart(p, "sdl", &opts)) {
2098 #ifdef CONFIG_SDL
2099 display = DT_SDL;
2100 while (*opts) {
2101 const char *nextopt;
2102
2103 if (strstart(opts, ",frame=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 no_frame = 0;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 no_frame = 1;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 alt_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 alt_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 ctrl_grab = 1;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 ctrl_grab = 0;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",window_close=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 no_quit = 0;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 no_quit = 1;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else if (strstart(opts, ",gl=", &nextopt)) {
2140 opts = nextopt;
2141 if (strstart(opts, "on", &nextopt)) {
2142 request_opengl = 1;
2143 } else if (strstart(opts, "off", &nextopt)) {
2144 request_opengl = 0;
2145 } else {
2146 goto invalid_sdl_args;
2147 }
2148 } else {
2149 invalid_sdl_args:
2150 error_report("invalid SDL option string");
2151 exit(1);
2152 }
2153 opts = nextopt;
2154 }
2155 #else
2156 error_report("SDL support is disabled");
2157 exit(1);
2158 #endif
2159 } else if (strstart(p, "vnc", &opts)) {
2160 #ifdef CONFIG_VNC
2161 if (*opts == '=') {
2162 Error *err = NULL;
2163 if (vnc_parse(opts + 1, &err) == NULL) {
2164 error_report_err(err);
2165 exit(1);
2166 }
2167 } else {
2168 error_report("VNC requires a display argument vnc=<display>");
2169 exit(1);
2170 }
2171 #else
2172 error_report("VNC support is disabled");
2173 exit(1);
2174 #endif
2175 } else if (strstart(p, "curses", &opts)) {
2176 #ifdef CONFIG_CURSES
2177 display = DT_CURSES;
2178 #else
2179 error_report("curses support is disabled");
2180 exit(1);
2181 #endif
2182 } else if (strstart(p, "gtk", &opts)) {
2183 #ifdef CONFIG_GTK
2184 display = DT_GTK;
2185 while (*opts) {
2186 const char *nextopt;
2187
2188 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 grab_on_hover = true;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 grab_on_hover = false;
2194 } else {
2195 goto invalid_gtk_args;
2196 }
2197 } else if (strstart(opts, ",gl=", &nextopt)) {
2198 opts = nextopt;
2199 if (strstart(opts, "on", &nextopt)) {
2200 request_opengl = 1;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 request_opengl = 0;
2203 } else {
2204 goto invalid_gtk_args;
2205 }
2206 } else {
2207 invalid_gtk_args:
2208 error_report("invalid GTK option string");
2209 exit(1);
2210 }
2211 opts = nextopt;
2212 }
2213 #else
2214 error_report("GTK support is disabled");
2215 exit(1);
2216 #endif
2217 } else if (strstart(p, "none", &opts)) {
2218 display = DT_NONE;
2219 } else {
2220 error_report("unknown display type");
2221 exit(1);
2222 }
2223
2224 return display;
2225 }
2226
2227 static int balloon_parse(const char *arg)
2228 {
2229 QemuOpts *opts;
2230
2231 if (strcmp(arg, "none") == 0) {
2232 return 0;
2233 }
2234
2235 if (!strncmp(arg, "virtio", 6)) {
2236 if (arg[6] == ',') {
2237 /* have params -> parse them */
2238 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2239 false);
2240 if (!opts)
2241 return -1;
2242 } else {
2243 /* create empty opts */
2244 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2245 &error_abort);
2246 }
2247 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2248 return 0;
2249 }
2250
2251 return -1;
2252 }
2253
2254 char *qemu_find_file(int type, const char *name)
2255 {
2256 int i;
2257 const char *subdir;
2258 char *buf;
2259
2260 /* Try the name as a straight path first */
2261 if (access(name, R_OK) == 0) {
2262 trace_load_file(name, name);
2263 return g_strdup(name);
2264 }
2265
2266 switch (type) {
2267 case QEMU_FILE_TYPE_BIOS:
2268 subdir = "";
2269 break;
2270 case QEMU_FILE_TYPE_KEYMAP:
2271 subdir = "keymaps/";
2272 break;
2273 default:
2274 abort();
2275 }
2276
2277 for (i = 0; i < data_dir_idx; i++) {
2278 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2279 if (access(buf, R_OK) == 0) {
2280 trace_load_file(name, buf);
2281 return buf;
2282 }
2283 g_free(buf);
2284 }
2285 return NULL;
2286 }
2287
2288 static inline bool nonempty_str(const char *str)
2289 {
2290 return str && *str;
2291 }
2292
2293 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2294 {
2295 gchar *buf;
2296 size_t size;
2297 const char *name, *file, *str;
2298
2299 if (opaque == NULL) {
2300 error_report("fw_cfg device not available");
2301 return -1;
2302 }
2303 name = qemu_opt_get(opts, "name");
2304 file = qemu_opt_get(opts, "file");
2305 str = qemu_opt_get(opts, "string");
2306
2307 /* we need name and either a file or the content string */
2308 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2309 error_report("invalid argument(s)");
2310 return -1;
2311 }
2312 if (nonempty_str(file) && nonempty_str(str)) {
2313 error_report("file and string are mutually exclusive");
2314 return -1;
2315 }
2316 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2317 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2318 return -1;
2319 }
2320 if (strncmp(name, "opt/", 4) != 0) {
2321 error_report("warning: externally provided fw_cfg item names "
2322 "should be prefixed with \"opt/\"");
2323 }
2324 if (nonempty_str(str)) {
2325 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2326 buf = g_memdup(str, size);
2327 } else {
2328 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2329 error_report("can't load %s", file);
2330 return -1;
2331 }
2332 }
2333 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2334 return 0;
2335 }
2336
2337 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2338 {
2339 return qdev_device_help(opts);
2340 }
2341
2342 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2343 {
2344 Error *err = NULL;
2345 DeviceState *dev;
2346
2347 dev = qdev_device_add(opts, &err);
2348 if (!dev) {
2349 error_report_err(err);
2350 return -1;
2351 }
2352 object_unref(OBJECT(dev));
2353 return 0;
2354 }
2355
2356 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2357 {
2358 Error *local_err = NULL;
2359
2360 qemu_chr_new_from_opts(opts, NULL, &local_err);
2361 if (local_err) {
2362 error_report_err(local_err);
2363 return -1;
2364 }
2365 return 0;
2366 }
2367
2368 #ifdef CONFIG_VIRTFS
2369 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 {
2371 int ret;
2372 ret = qemu_fsdev_add(opts);
2373
2374 return ret;
2375 }
2376 #endif
2377
2378 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2379 {
2380 CharDriverState *chr;
2381 const char *chardev;
2382 const char *mode;
2383 int flags;
2384
2385 mode = qemu_opt_get(opts, "mode");
2386 if (mode == NULL) {
2387 mode = "readline";
2388 }
2389 if (strcmp(mode, "readline") == 0) {
2390 flags = MONITOR_USE_READLINE;
2391 } else if (strcmp(mode, "control") == 0) {
2392 flags = MONITOR_USE_CONTROL;
2393 } else {
2394 error_report("unknown monitor mode \"%s\"", mode);
2395 exit(1);
2396 }
2397
2398 if (qemu_opt_get_bool(opts, "pretty", 0))
2399 flags |= MONITOR_USE_PRETTY;
2400
2401 if (qemu_opt_get_bool(opts, "default", 0))
2402 flags |= MONITOR_IS_DEFAULT;
2403
2404 chardev = qemu_opt_get(opts, "chardev");
2405 chr = qemu_chr_find(chardev);
2406 if (chr == NULL) {
2407 error_report("chardev \"%s\" not found", chardev);
2408 exit(1);
2409 }
2410
2411 qemu_chr_fe_claim_no_fail(chr);
2412 monitor_init(chr, flags);
2413 return 0;
2414 }
2415
2416 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2417 {
2418 static int monitor_device_index = 0;
2419 Error *local_err = NULL;
2420 QemuOpts *opts;
2421 const char *p;
2422 char label[32];
2423 int def = 0;
2424
2425 if (strstart(optarg, "chardev:", &p)) {
2426 snprintf(label, sizeof(label), "%s", p);
2427 } else {
2428 snprintf(label, sizeof(label), "compat_monitor%d",
2429 monitor_device_index);
2430 if (monitor_device_index == 0) {
2431 def = 1;
2432 }
2433 opts = qemu_chr_parse_compat(label, optarg);
2434 if (!opts) {
2435 error_report("parse error: %s", optarg);
2436 exit(1);
2437 }
2438 }
2439
2440 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2441 if (!opts) {
2442 error_report_err(local_err);
2443 exit(1);
2444 }
2445 qemu_opt_set(opts, "mode", mode, &error_abort);
2446 qemu_opt_set(opts, "chardev", label, &error_abort);
2447 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2448 if (def)
2449 qemu_opt_set(opts, "default", "on", &error_abort);
2450 monitor_device_index++;
2451 }
2452
2453 struct device_config {
2454 enum {
2455 DEV_USB, /* -usbdevice */
2456 DEV_BT, /* -bt */
2457 DEV_SERIAL, /* -serial */
2458 DEV_PARALLEL, /* -parallel */
2459 DEV_VIRTCON, /* -virtioconsole */
2460 DEV_DEBUGCON, /* -debugcon */
2461 DEV_GDB, /* -gdb, -s */
2462 DEV_SCLP, /* s390 sclp */
2463 } type;
2464 const char *cmdline;
2465 Location loc;
2466 QTAILQ_ENTRY(device_config) next;
2467 };
2468
2469 static QTAILQ_HEAD(, device_config) device_configs =
2470 QTAILQ_HEAD_INITIALIZER(device_configs);
2471
2472 static void add_device_config(int type, const char *cmdline)
2473 {
2474 struct device_config *conf;
2475
2476 conf = g_malloc0(sizeof(*conf));
2477 conf->type = type;
2478 conf->cmdline = cmdline;
2479 loc_save(&conf->loc);
2480 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2481 }
2482
2483 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2484 {
2485 struct device_config *conf;
2486 int rc;
2487
2488 QTAILQ_FOREACH(conf, &device_configs, next) {
2489 if (conf->type != type)
2490 continue;
2491 loc_push_restore(&conf->loc);
2492 rc = func(conf->cmdline);
2493 loc_pop(&conf->loc);
2494 if (rc) {
2495 return rc;
2496 }
2497 }
2498 return 0;
2499 }
2500
2501 static int serial_parse(const char *devname)
2502 {
2503 static int index = 0;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 if (index == MAX_SERIAL_PORTS) {
2509 error_report("too many serial ports");
2510 exit(1);
2511 }
2512 snprintf(label, sizeof(label), "serial%d", index);
2513 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2514 if (!serial_hds[index]) {
2515 error_report("could not connect serial device"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 index++;
2520 return 0;
2521 }
2522
2523 static int parallel_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_PARALLEL_PORTS) {
2531 error_report("too many parallel ports");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "parallel%d", index);
2535 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!parallel_hds[index]) {
2537 error_report("could not connect parallel device"
2538 " to character backend '%s'", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int virtcon_parse(const char *devname)
2546 {
2547 QemuOptsList *device = qemu_find_opts("device");
2548 static int index = 0;
2549 char label[32];
2550 QemuOpts *bus_opts, *dev_opts;
2551
2552 if (strcmp(devname, "none") == 0)
2553 return 0;
2554 if (index == MAX_VIRTIO_CONSOLES) {
2555 error_report("too many virtio consoles");
2556 exit(1);
2557 }
2558
2559 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2560 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 error_report("could not connect virtio console"
2569 " to character backend '%s'", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 error_report("too many sclp consoles");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 error_report("could not connect sclp console"
2602 " to character backend '%s'", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 error_report("already have a debugcon device");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2624 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2625 return 0;
2626 }
2627
2628 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2629 {
2630 const MachineClass *mc1 = a, *mc2 = b;
2631 int res;
2632
2633 if (mc1->family == NULL) {
2634 if (mc2->family == NULL) {
2635 /* Compare standalone machine types against each other; they sort
2636 * in increasing order.
2637 */
2638 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2639 object_class_get_name(OBJECT_CLASS(mc2)));
2640 }
2641
2642 /* Standalone machine types sort after families. */
2643 return 1;
2644 }
2645
2646 if (mc2->family == NULL) {
2647 /* Families sort before standalone machine types. */
2648 return -1;
2649 }
2650
2651 /* Families sort between each other alphabetically increasingly. */
2652 res = strcmp(mc1->family, mc2->family);
2653 if (res != 0) {
2654 return res;
2655 }
2656
2657 /* Within the same family, machine types sort in decreasing order. */
2658 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2659 object_class_get_name(OBJECT_CLASS(mc1)));
2660 }
2661
2662 static MachineClass *machine_parse(const char *name)
2663 {
2664 MachineClass *mc = NULL;
2665 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2666
2667 if (name) {
2668 mc = find_machine(name);
2669 }
2670 if (mc) {
2671 g_slist_free(machines);
2672 return mc;
2673 }
2674 if (name && !is_help_option(name)) {
2675 error_report("unsupported machine type");
2676 error_printf("Use -machine help to list supported machines\n");
2677 } else {
2678 printf("Supported machines are:\n");
2679 machines = g_slist_sort(machines, machine_class_cmp);
2680 for (el = machines; el; el = el->next) {
2681 MachineClass *mc = el->data;
2682 if (mc->alias) {
2683 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2684 }
2685 printf("%-20s %s%s\n", mc->name, mc->desc,
2686 mc->is_default ? " (default)" : "");
2687 }
2688 }
2689
2690 g_slist_free(machines);
2691 exit(!name || !is_help_option(name));
2692 }
2693
2694 void qemu_add_exit_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&exit_notifiers, notify);
2697 }
2698
2699 void qemu_remove_exit_notifier(Notifier *notify)
2700 {
2701 notifier_remove(notify);
2702 }
2703
2704 static void qemu_run_exit_notifiers(void)
2705 {
2706 notifier_list_notify(&exit_notifiers, NULL);
2707 }
2708
2709 static bool machine_init_done;
2710
2711 void qemu_add_machine_init_done_notifier(Notifier *notify)
2712 {
2713 notifier_list_add(&machine_init_done_notifiers, notify);
2714 if (machine_init_done) {
2715 notify->notify(notify, NULL);
2716 }
2717 }
2718
2719 static void qemu_run_machine_init_done_notifiers(void)
2720 {
2721 notifier_list_notify(&machine_init_done_notifiers, NULL);
2722 machine_init_done = true;
2723 }
2724
2725 static const QEMUOption *lookup_opt(int argc, char **argv,
2726 const char **poptarg, int *poptind)
2727 {
2728 const QEMUOption *popt;
2729 int optind = *poptind;
2730 char *r = argv[optind];
2731 const char *optarg;
2732
2733 loc_set_cmdline(argv, optind, 1);
2734 optind++;
2735 /* Treat --foo the same as -foo. */
2736 if (r[1] == '-')
2737 r++;
2738 popt = qemu_options;
2739 for(;;) {
2740 if (!popt->name) {
2741 error_report("invalid option");
2742 exit(1);
2743 }
2744 if (!strcmp(popt->name, r + 1))
2745 break;
2746 popt++;
2747 }
2748 if (popt->flags & HAS_ARG) {
2749 if (optind >= argc) {
2750 error_report("requires an argument");
2751 exit(1);
2752 }
2753 optarg = argv[optind++];
2754 loc_set_cmdline(argv, optind - 2, 2);
2755 } else {
2756 optarg = NULL;
2757 }
2758
2759 *poptarg = optarg;
2760 *poptind = optind;
2761
2762 return popt;
2763 }
2764
2765 static MachineClass *select_machine(void)
2766 {
2767 MachineClass *machine_class = find_default_machine();
2768 const char *optarg;
2769 QemuOpts *opts;
2770 Location loc;
2771
2772 loc_push_none(&loc);
2773
2774 opts = qemu_get_machine_opts();
2775 qemu_opts_loc_restore(opts);
2776
2777 optarg = qemu_opt_get(opts, "type");
2778 if (optarg) {
2779 machine_class = machine_parse(optarg);
2780 }
2781
2782 if (!machine_class) {
2783 error_report("No machine specified, and there is no default");
2784 error_printf("Use -machine help to list supported machines\n");
2785 exit(1);
2786 }
2787
2788 loc_pop(&loc);
2789 return machine_class;
2790 }
2791
2792 static int machine_set_property(void *opaque,
2793 const char *name, const char *value,
2794 Error **errp)
2795 {
2796 Object *obj = OBJECT(opaque);
2797 Error *local_err = NULL;
2798 char *c, *qom_name;
2799
2800 if (strcmp(name, "type") == 0) {
2801 return 0;
2802 }
2803
2804 qom_name = g_strdup(name);
2805 c = qom_name;
2806 while (*c++) {
2807 if (*c == '_') {
2808 *c = '-';
2809 }
2810 }
2811
2812 object_property_parse(obj, value, qom_name, &local_err);
2813 g_free(qom_name);
2814
2815 if (local_err) {
2816 error_report_err(local_err);
2817 return -1;
2818 }
2819
2820 return 0;
2821 }
2822
2823
2824 /*
2825 * Initial object creation happens before all other
2826 * QEMU data types are created. The majority of objects
2827 * can be created at this point. The rng-egd object
2828 * cannot be created here, as it depends on the chardev
2829 * already existing.
2830 */
2831 static bool object_create_initial(const char *type)
2832 {
2833 if (g_str_equal(type, "rng-egd")) {
2834 return false;
2835 }
2836
2837 /*
2838 * return false for concrete netfilters since
2839 * they depend on netdevs already existing
2840 */
2841 if (g_str_equal(type, "filter-buffer") ||
2842 g_str_equal(type, "filter-dump")) {
2843 return false;
2844 }
2845
2846 return true;
2847 }
2848
2849
2850 /*
2851 * The remainder of object creation happens after the
2852 * creation of chardev, fsdev, net clients and device data types.
2853 */
2854 static bool object_create_delayed(const char *type)
2855 {
2856 return !object_create_initial(type);
2857 }
2858
2859
2860 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2861 MachineClass *mc)
2862 {
2863 uint64_t sz;
2864 const char *mem_str;
2865 const char *maxmem_str, *slots_str;
2866 const ram_addr_t default_ram_size = mc->default_ram_size;
2867 QemuOpts *opts = qemu_find_opts_singleton("memory");
2868 Location loc;
2869
2870 loc_push_none(&loc);
2871 qemu_opts_loc_restore(opts);
2872
2873 sz = 0;
2874 mem_str = qemu_opt_get(opts, "size");
2875 if (mem_str) {
2876 if (!*mem_str) {
2877 error_report("missing 'size' option value");
2878 exit(EXIT_FAILURE);
2879 }
2880
2881 sz = qemu_opt_get_size(opts, "size", ram_size);
2882
2883 /* Fix up legacy suffix-less format */
2884 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2885 uint64_t overflow_check = sz;
2886
2887 sz <<= 20;
2888 if ((sz >> 20) != overflow_check) {
2889 error_report("too large 'size' option value");
2890 exit(EXIT_FAILURE);
2891 }
2892 }
2893 }
2894
2895 /* backward compatibility behaviour for case "-m 0" */
2896 if (sz == 0) {
2897 sz = default_ram_size;
2898 }
2899
2900 sz = QEMU_ALIGN_UP(sz, 8192);
2901 ram_size = sz;
2902 if (ram_size != sz) {
2903 error_report("ram size too large");
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 /* store value for the future use */
2908 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2909 *maxram_size = ram_size;
2910
2911 maxmem_str = qemu_opt_get(opts, "maxmem");
2912 slots_str = qemu_opt_get(opts, "slots");
2913 if (maxmem_str && slots_str) {
2914 uint64_t slots;
2915
2916 sz = qemu_opt_get_size(opts, "maxmem", 0);
2917 slots = qemu_opt_get_number(opts, "slots", 0);
2918 if (sz < ram_size) {
2919 error_report("invalid value of -m option maxmem: "
2920 "maximum memory size (0x%" PRIx64 ") must be at least "
2921 "the initial memory size (0x" RAM_ADDR_FMT ")",
2922 sz, ram_size);
2923 exit(EXIT_FAILURE);
2924 } else if (sz > ram_size) {
2925 if (!slots) {
2926 error_report("invalid value of -m option: maxmem was "
2927 "specified, but no hotplug slots were specified");
2928 exit(EXIT_FAILURE);
2929 }
2930 } else if (slots) {
2931 error_report("invalid value of -m option maxmem: "
2932 "memory slots were specified but maximum memory size "
2933 "(0x%" PRIx64 ") is equal to the initial memory size "
2934 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2935 exit(EXIT_FAILURE);
2936 }
2937
2938 *maxram_size = sz;
2939 *ram_slots = slots;
2940 } else if ((!maxmem_str && slots_str) ||
2941 (maxmem_str && !slots_str)) {
2942 error_report("invalid -m option value: missing "
2943 "'%s' option", slots_str ? "maxmem" : "slots");
2944 exit(EXIT_FAILURE);
2945 }
2946
2947 loc_pop(&loc);
2948 }
2949
2950 int main(int argc, char **argv, char **envp)
2951 {
2952 int i;
2953 int snapshot, linux_boot;
2954 const char *initrd_filename;
2955 const char *kernel_filename, *kernel_cmdline;
2956 const char *boot_order = NULL;
2957 const char *boot_once = NULL;
2958 DisplayState *ds;
2959 int cyls, heads, secs, translation;
2960 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2961 QemuOptsList *olist;
2962 int optind;
2963 const char *optarg;
2964 const char *loadvm = NULL;
2965 MachineClass *machine_class;
2966 const char *cpu_model;
2967 const char *vga_model = NULL;
2968 const char *qtest_chrdev = NULL;
2969 const char *qtest_log = NULL;
2970 const char *pid_file = NULL;
2971 const char *incoming = NULL;
2972 #ifdef CONFIG_VNC
2973 int show_vnc_port = 0;
2974 #endif
2975 bool defconfig = true;
2976 bool userconfig = true;
2977 const char *log_mask = NULL;
2978 const char *log_file = NULL;
2979 char *trace_file = NULL;
2980 ram_addr_t maxram_size;
2981 uint64_t ram_slots = 0;
2982 FILE *vmstate_dump_file = NULL;
2983 Error *main_loop_err = NULL;
2984 Error *err = NULL;
2985
2986 qemu_init_cpu_loop();
2987 qemu_mutex_lock_iothread();
2988
2989 atexit(qemu_run_exit_notifiers);
2990 error_set_progname(argv[0]);
2991 qemu_init_exec_dir(argv[0]);
2992
2993 module_call_init(MODULE_INIT_QOM);
2994
2995 qemu_add_opts(&qemu_drive_opts);
2996 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2997 qemu_add_drive_opts(&qemu_common_drive_opts);
2998 qemu_add_drive_opts(&qemu_drive_opts);
2999 qemu_add_opts(&qemu_chardev_opts);
3000 qemu_add_opts(&qemu_device_opts);
3001 qemu_add_opts(&qemu_netdev_opts);
3002 qemu_add_opts(&qemu_net_opts);
3003 qemu_add_opts(&qemu_rtc_opts);
3004 qemu_add_opts(&qemu_global_opts);
3005 qemu_add_opts(&qemu_mon_opts);
3006 qemu_add_opts(&qemu_trace_opts);
3007 qemu_add_opts(&qemu_option_rom_opts);
3008 qemu_add_opts(&qemu_machine_opts);
3009 qemu_add_opts(&qemu_mem_opts);
3010 qemu_add_opts(&qemu_smp_opts);
3011 qemu_add_opts(&qemu_boot_opts);
3012 qemu_add_opts(&qemu_sandbox_opts);
3013 qemu_add_opts(&qemu_add_fd_opts);
3014 qemu_add_opts(&qemu_object_opts);
3015 qemu_add_opts(&qemu_tpmdev_opts);
3016 qemu_add_opts(&qemu_realtime_opts);
3017 qemu_add_opts(&qemu_msg_opts);
3018 qemu_add_opts(&qemu_name_opts);
3019 qemu_add_opts(&qemu_numa_opts);
3020 qemu_add_opts(&qemu_icount_opts);
3021 qemu_add_opts(&qemu_semihosting_config_opts);
3022 qemu_add_opts(&qemu_fw_cfg_opts);
3023
3024 runstate_init();
3025
3026 if (qcrypto_init(&err) < 0) {
3027 error_reportf_err(err, "cannot initialize crypto: ");
3028 exit(1);
3029 }
3030 rtc_clock = QEMU_CLOCK_HOST;
3031
3032 QLIST_INIT (&vm_change_state_head);
3033 os_setup_early_signal_handling();
3034
3035 module_call_init(MODULE_INIT_MACHINE);
3036 cpu_model = NULL;
3037 snapshot = 0;
3038 cyls = heads = secs = 0;
3039 translation = BIOS_ATA_TRANSLATION_AUTO;
3040
3041 nb_nics = 0;
3042
3043 bdrv_init_with_whitelist();
3044
3045 autostart = 1;
3046
3047 /* first pass of option parsing */
3048 optind = 1;
3049 while (optind < argc) {
3050 if (argv[optind][0] != '-') {
3051 /* disk image */
3052 optind++;
3053 } else {
3054 const QEMUOption *popt;
3055
3056 popt = lookup_opt(argc, argv, &optarg, &optind);
3057 switch (popt->index) {
3058 case QEMU_OPTION_nodefconfig:
3059 defconfig = false;
3060 break;
3061 case QEMU_OPTION_nouserconfig:
3062 userconfig = false;
3063 break;
3064 }
3065 }
3066 }
3067
3068 if (defconfig) {
3069 int ret;
3070 ret = qemu_read_default_config_files(userconfig);
3071 if (ret < 0) {
3072 exit(1);
3073 }
3074 }
3075
3076 /* second pass of option parsing */
3077 optind = 1;
3078 for(;;) {
3079 if (optind >= argc)
3080 break;
3081 if (argv[optind][0] != '-') {
3082 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3083 } else {
3084 const QEMUOption *popt;
3085
3086 popt = lookup_opt(argc, argv, &optarg, &optind);
3087 if (!(popt->arch_mask & arch_type)) {
3088 printf("Option %s not supported for this target\n", popt->name);
3089 exit(1);
3090 }
3091 switch(popt->index) {
3092 case QEMU_OPTION_no_kvm_irqchip: {
3093 olist = qemu_find_opts("machine");
3094 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3095 break;
3096 }
3097 case QEMU_OPTION_cpu:
3098 /* hw initialization will check this */
3099 cpu_model = optarg;
3100 break;
3101 case QEMU_OPTION_hda:
3102 {
3103 char buf[256];
3104 if (cyls == 0)
3105 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3106 else
3107 snprintf(buf, sizeof(buf),
3108 "%s,cyls=%d,heads=%d,secs=%d%s",
3109 HD_OPTS , cyls, heads, secs,
3110 translation == BIOS_ATA_TRANSLATION_LBA ?
3111 ",trans=lba" :
3112 translation == BIOS_ATA_TRANSLATION_NONE ?
3113 ",trans=none" : "");
3114 drive_add(IF_DEFAULT, 0, optarg, buf);
3115 break;
3116 }
3117 case QEMU_OPTION_hdb:
3118 case QEMU_OPTION_hdc:
3119 case QEMU_OPTION_hdd:
3120 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3121 HD_OPTS);
3122 break;
3123 case QEMU_OPTION_drive:
3124 if (drive_def(optarg) == NULL) {
3125 exit(1);
3126 }
3127 break;
3128 case QEMU_OPTION_set:
3129 if (qemu_set_option(optarg) != 0)
3130 exit(1);
3131 break;
3132 case QEMU_OPTION_global:
3133 if (qemu_global_option(optarg) != 0)
3134 exit(1);
3135 break;
3136 case QEMU_OPTION_mtdblock:
3137 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3138 break;
3139 case QEMU_OPTION_sd:
3140 drive_add(IF_SD, -1, optarg, SD_OPTS);
3141 break;
3142 case QEMU_OPTION_pflash:
3143 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3144 break;
3145 case QEMU_OPTION_snapshot:
3146 snapshot = 1;
3147 break;
3148 case QEMU_OPTION_hdachs:
3149 {
3150 const char *p;
3151 p = optarg;
3152 cyls = strtol(p, (char **)&p, 0);
3153 if (cyls < 1 || cyls > 16383)
3154 goto chs_fail;
3155 if (*p != ',')
3156 goto chs_fail;
3157 p++;
3158 heads = strtol(p, (char **)&p, 0);
3159 if (heads < 1 || heads > 16)
3160 goto chs_fail;
3161 if (*p != ',')
3162 goto chs_fail;
3163 p++;
3164 secs = strtol(p, (char **)&p, 0);
3165 if (secs < 1 || secs > 63)
3166 goto chs_fail;
3167 if (*p == ',') {
3168 p++;
3169 if (!strcmp(p, "large")) {
3170 translation = BIOS_ATA_TRANSLATION_LARGE;
3171 } else if (!strcmp(p, "rechs")) {
3172 translation = BIOS_ATA_TRANSLATION_RECHS;
3173 } else if (!strcmp(p, "none")) {
3174 translation = BIOS_ATA_TRANSLATION_NONE;
3175 } else if (!strcmp(p, "lba")) {
3176 translation = BIOS_ATA_TRANSLATION_LBA;
3177 } else if (!strcmp(p, "auto")) {
3178 translation = BIOS_ATA_TRANSLATION_AUTO;
3179 } else {
3180 goto chs_fail;
3181 }
3182 } else if (*p != '\0') {
3183 chs_fail:
3184 error_report("invalid physical CHS format");
3185 exit(1);
3186 }
3187 if (hda_opts != NULL) {
3188 qemu_opt_set_number(hda_opts, "cyls", cyls,
3189 &error_abort);
3190 qemu_opt_set_number(hda_opts, "heads", heads,
3191 &error_abort);
3192 qemu_opt_set_number(hda_opts, "secs", secs,
3193 &error_abort);
3194 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3195 qemu_opt_set(hda_opts, "trans", "large",
3196 &error_abort);
3197 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3198 qemu_opt_set(hda_opts, "trans", "rechs",
3199 &error_abort);
3200 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3201 qemu_opt_set(hda_opts, "trans", "lba",
3202 &error_abort);
3203 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3204 qemu_opt_set(hda_opts, "trans", "none",
3205 &error_abort);
3206 }
3207 }
3208 }
3209 break;
3210 case QEMU_OPTION_numa:
3211 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3212 optarg, true);
3213 if (!opts) {
3214 exit(1);
3215 }
3216 break;
3217 case QEMU_OPTION_display:
3218 display_type = select_display(optarg);
3219 break;
3220 case QEMU_OPTION_nographic:
3221 display_type = DT_NOGRAPHIC;
3222 break;
3223 case QEMU_OPTION_curses:
3224 #ifdef CONFIG_CURSES
3225 display_type = DT_CURSES;
3226 #else
3227 error_report("curses support is disabled");
3228 exit(1);
3229 #endif
3230 break;
3231 case QEMU_OPTION_portrait:
3232 graphic_rotate = 90;
3233 break;
3234 case QEMU_OPTION_rotate:
3235 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3236 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3237 graphic_rotate != 180 && graphic_rotate != 270) {
3238 error_report("only 90, 180, 270 deg rotation is available");
3239 exit(1);
3240 }
3241 break;
3242 case QEMU_OPTION_kernel:
3243 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3244 &error_abort);
3245 break;
3246 case QEMU_OPTION_initrd:
3247 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3248 &error_abort);
3249 break;
3250 case QEMU_OPTION_append:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3252 &error_abort);
3253 break;
3254 case QEMU_OPTION_dtb:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_cdrom:
3259 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3260 break;
3261 case QEMU_OPTION_boot:
3262 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3263 optarg, true);
3264 if (!opts) {
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_fda:
3269 case QEMU_OPTION_fdb:
3270 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3271 optarg, FD_OPTS);
3272 break;
3273 case QEMU_OPTION_no_fd_bootchk:
3274 fd_bootchk = 0;
3275 break;
3276 case QEMU_OPTION_netdev:
3277 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3278 exit(1);
3279 }
3280 break;
3281 case QEMU_OPTION_net:
3282 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3283 exit(1);
3284 }
3285 break;
3286 #ifdef CONFIG_LIBISCSI
3287 case QEMU_OPTION_iscsi:
3288 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3289 optarg, false);
3290 if (!opts) {
3291 exit(1);
3292 }
3293 break;
3294 #endif
3295 #ifdef CONFIG_SLIRP
3296 case QEMU_OPTION_tftp:
3297 error_report("The -tftp option is deprecated. "
3298 "Please use '-netdev user,tftp=...' instead.");
3299 legacy_tftp_prefix = optarg;
3300 break;
3301 case QEMU_OPTION_bootp:
3302 error_report("The -bootp option is deprecated. "
3303 "Please use '-netdev user,bootfile=...' instead.");
3304 legacy_bootp_filename = optarg;
3305 break;
3306 case QEMU_OPTION_redir:
3307 error_report("The -redir option is deprecated. "
3308 "Please use '-netdev user,hostfwd=...' instead.");
3309 if (net_slirp_redir(optarg) < 0)
3310 exit(1);
3311 break;
3312 #endif
3313 case QEMU_OPTION_bt:
3314 add_device_config(DEV_BT, optarg);
3315 break;
3316 case QEMU_OPTION_audio_help:
3317 AUD_help ();
3318 exit (0);
3319 break;
3320 case QEMU_OPTION_soundhw:
3321 select_soundhw (optarg);
3322 break;
3323 case QEMU_OPTION_h:
3324 help(0);
3325 break;
3326 case QEMU_OPTION_version:
3327 version();
3328 exit(0);
3329 break;
3330 case QEMU_OPTION_m:
3331 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3332 optarg, true);
3333 if (!opts) {
3334 exit(EXIT_FAILURE);
3335 }
3336 break;
3337 #ifdef CONFIG_TPM
3338 case QEMU_OPTION_tpmdev:
3339 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3340 exit(1);
3341 }
3342 break;
3343 #endif
3344 case QEMU_OPTION_mempath:
3345 mem_path = optarg;
3346 break;
3347 case QEMU_OPTION_mem_prealloc:
3348 mem_prealloc = 1;
3349 break;
3350 case QEMU_OPTION_d:
3351 log_mask = optarg;
3352 break;
3353 case QEMU_OPTION_D:
3354 log_file = optarg;
3355 break;
3356 case QEMU_OPTION_s:
3357 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3358 break;
3359 case QEMU_OPTION_gdb:
3360 add_device_config(DEV_GDB, optarg);
3361 break;
3362 case QEMU_OPTION_L:
3363 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3364 data_dir[data_dir_idx++] = optarg;
3365 }
3366 break;
3367 case QEMU_OPTION_bios:
3368 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3369 &error_abort);
3370 break;
3371 case QEMU_OPTION_singlestep:
3372 singlestep = 1;
3373 break;
3374 case QEMU_OPTION_S:
3375 autostart = 0;
3376 break;
3377 case QEMU_OPTION_k:
3378 keyboard_layout = optarg;
3379 break;
3380 case QEMU_OPTION_localtime:
3381 rtc_utc = 0;
3382 break;
3383 case QEMU_OPTION_vga:
3384 vga_model = optarg;
3385 default_vga = 0;
3386 break;
3387 case QEMU_OPTION_g:
3388 {
3389 const char *p;
3390 int w, h, depth;
3391 p = optarg;
3392 w = strtol(p, (char **)&p, 10);
3393 if (w <= 0) {
3394 graphic_error:
3395 error_report("invalid resolution or depth");
3396 exit(1);
3397 }
3398 if (*p != 'x')
3399 goto graphic_error;
3400 p++;
3401 h = strtol(p, (char **)&p, 10);
3402 if (h <= 0)
3403 goto graphic_error;
3404 if (*p == 'x') {
3405 p++;
3406 depth = strtol(p, (char **)&p, 10);
3407 if (depth != 8 && depth != 15 && depth != 16 &&
3408 depth != 24 && depth != 32)
3409 goto graphic_error;
3410 } else if (*p == '\0') {
3411 depth = graphic_depth;
3412 } else {
3413 goto graphic_error;
3414 }
3415
3416 graphic_width = w;
3417 graphic_height = h;
3418 graphic_depth = depth;
3419 }
3420 break;
3421 case QEMU_OPTION_echr:
3422 {
3423 char *r;
3424 term_escape_char = strtol(optarg, &r, 0);
3425 if (r == optarg)
3426 printf("Bad argument to echr\n");
3427 break;
3428 }
3429 case QEMU_OPTION_monitor:
3430 default_monitor = 0;
3431 if (strncmp(optarg, "none", 4)) {
3432 monitor_parse(optarg, "readline", false);
3433 }
3434 break;
3435 case QEMU_OPTION_qmp:
3436 monitor_parse(optarg, "control", false);
3437 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_qmp_pretty:
3440 monitor_parse(optarg, "control", true);
3441 default_monitor = 0;
3442 break;
3443 case QEMU_OPTION_mon:
3444 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3445 true);
3446 if (!opts) {
3447 exit(1);
3448 }
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_chardev:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3453 optarg, true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 break;
3458 case QEMU_OPTION_fsdev:
3459 olist = qemu_find_opts("fsdev");
3460 if (!olist) {
3461 error_report("fsdev support is disabled");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse_noisily(olist, optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_virtfs: {
3470 QemuOpts *fsdev;
3471 QemuOpts *device;
3472 const char *writeout, *sock_fd, *socket;
3473
3474 olist = qemu_find_opts("virtfs");
3475 if (!olist) {
3476 error_report("virtfs support is disabled");
3477 exit(1);
3478 }
3479 opts = qemu_opts_parse_noisily(olist, optarg, true);
3480 if (!opts) {
3481 exit(1);
3482 }
3483
3484 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3485 qemu_opt_get(opts, "mount_tag") == NULL) {
3486 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3487 exit(1);
3488 }
3489 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3490 qemu_opt_get(opts, "mount_tag"),
3491 1, NULL);
3492 if (!fsdev) {
3493 error_report("duplicate fsdev id: %s",
3494 qemu_opt_get(opts, "mount_tag"));
3495 exit(1);
3496 }
3497
3498 writeout = qemu_opt_get(opts, "writeout");
3499 if (writeout) {
3500 #ifdef CONFIG_SYNC_FILE_RANGE
3501 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3502 #else
3503 error_report("writeout=immediate not supported "
3504 "on this platform");
3505 exit(1);
3506 #endif
3507 }
3508 qemu_opt_set(fsdev, "fsdriver",
3509 qemu_opt_get(opts, "fsdriver"), &error_abort);
3510 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3511 &error_abort);
3512 qemu_opt_set(fsdev, "security_model",
3513 qemu_opt_get(opts, "security_model"),
3514 &error_abort);
3515 socket = qemu_opt_get(opts, "socket");
3516 if (socket) {
3517 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3518 }
3519 sock_fd = qemu_opt_get(opts, "sock_fd");
3520 if (sock_fd) {
3521 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3522 }
3523
3524 qemu_opt_set_bool(fsdev, "readonly",
3525 qemu_opt_get_bool(opts, "readonly", 0),
3526 &error_abort);
3527 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3528 &error_abort);
3529 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3530 qemu_opt_set(device, "fsdev",
3531 qemu_opt_get(opts, "mount_tag"), &error_abort);
3532 qemu_opt_set(device, "mount_tag",
3533 qemu_opt_get(opts, "mount_tag"), &error_abort);
3534 break;
3535 }
3536 case QEMU_OPTION_virtfs_synth: {
3537 QemuOpts *fsdev;
3538 QemuOpts *device;
3539
3540 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3541 1, NULL);
3542 if (!fsdev) {
3543 error_report("duplicate option: %s", "virtfs_synth");
3544 exit(1);
3545 }
3546 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3547
3548 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3549 &error_abort);
3550 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3551 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3552 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3553 break;
3554 }
3555 case QEMU_OPTION_serial:
3556 add_device_config(DEV_SERIAL, optarg);
3557 default_serial = 0;
3558 if (strncmp(optarg, "mon:", 4) == 0) {
3559 default_monitor = 0;
3560 }
3561 break;
3562 case QEMU_OPTION_watchdog:
3563 if (watchdog) {
3564 error_report("only one watchdog option may be given");
3565 return 1;
3566 }
3567 watchdog = optarg;
3568 break;
3569 case QEMU_OPTION_watchdog_action:
3570 if (select_watchdog_action(optarg) == -1) {
3571 error_report("unknown -watchdog-action parameter");
3572 exit(1);
3573 }
3574 break;
3575 case QEMU_OPTION_virtiocon:
3576 add_device_config(DEV_VIRTCON, optarg);
3577 default_virtcon = 0;
3578 if (strncmp(optarg, "mon:", 4) == 0) {
3579 default_monitor = 0;
3580 }
3581 break;
3582 case QEMU_OPTION_parallel:
3583 add_device_config(DEV_PARALLEL, optarg);
3584 default_parallel = 0;
3585 if (strncmp(optarg, "mon:", 4) == 0) {
3586 default_monitor = 0;
3587 }
3588 break;
3589 case QEMU_OPTION_debugcon:
3590 add_device_config(DEV_DEBUGCON, optarg);
3591 break;
3592 case QEMU_OPTION_loadvm:
3593 loadvm = optarg;
3594 break;
3595 case QEMU_OPTION_full_screen:
3596 full_screen = 1;
3597 break;
3598 case QEMU_OPTION_no_frame:
3599 no_frame = 1;
3600 break;
3601 case QEMU_OPTION_alt_grab:
3602 alt_grab = 1;
3603 break;
3604 case QEMU_OPTION_ctrl_grab:
3605 ctrl_grab = 1;
3606 break;
3607 case QEMU_OPTION_no_quit:
3608 no_quit = 1;
3609 break;
3610 case QEMU_OPTION_sdl:
3611 #ifdef CONFIG_SDL
3612 display_type = DT_SDL;
3613 break;
3614 #else
3615 error_report("SDL support is disabled");
3616 exit(1);
3617 #endif
3618 case QEMU_OPTION_pidfile:
3619 pid_file = optarg;
3620 break;
3621 case QEMU_OPTION_win2k_hack:
3622 win2k_install_hack = 1;
3623 break;
3624 case QEMU_OPTION_rtc_td_hack: {
3625 static GlobalProperty slew_lost_ticks[] = {
3626 {
3627 .driver = "mc146818rtc",
3628 .property = "lost_tick_policy",
3629 .value = "slew",
3630 },
3631 { /* end of list */ }
3632 };
3633
3634 qdev_prop_register_global_list(slew_lost_ticks);
3635 break;
3636 }
3637 case QEMU_OPTION_acpitable:
3638 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3639 optarg, true);
3640 if (!opts) {
3641 exit(1);
3642 }
3643 do_acpitable_option(opts);
3644 break;
3645 case QEMU_OPTION_smbios:
3646 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3647 optarg, false);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 do_smbios_option(opts);
3652 break;
3653 case QEMU_OPTION_fwcfg:
3654 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3655 optarg, true);
3656 if (opts == NULL) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_enable_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3663 break;
3664 case QEMU_OPTION_M:
3665 case QEMU_OPTION_machine:
3666 olist = qemu_find_opts("machine");
3667 opts = qemu_opts_parse_noisily(olist, optarg, true);
3668 if (!opts) {
3669 exit(1);
3670 }
3671 break;
3672 case QEMU_OPTION_no_kvm:
3673 olist = qemu_find_opts("machine");
3674 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3675 break;
3676 case QEMU_OPTION_no_kvm_pit: {
3677 error_report("warning: ignoring deprecated option");
3678 break;
3679 }
3680 case QEMU_OPTION_no_kvm_pit_reinjection: {
3681 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3682 {
3683 .driver = "kvm-pit",
3684 .property = "lost_tick_policy",
3685 .value = "discard",
3686 },
3687 { /* end of list */ }
3688 };
3689
3690 error_report("warning: deprecated, replaced by "
3691 "-global kvm-pit.lost_tick_policy=discard");
3692 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3693 break;
3694 }
3695 case QEMU_OPTION_usb:
3696 olist = qemu_find_opts("machine");
3697 qemu_opts_parse_noisily(olist, "usb=on", false);
3698 break;
3699 case QEMU_OPTION_usbdevice:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse_noisily(olist, "usb=on", false);
3702 add_device_config(DEV_USB, optarg);
3703 break;
3704 case QEMU_OPTION_device:
3705 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3706 optarg, true)) {
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_smp:
3711 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3712 optarg, true)) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_vnc:
3717 {
3718 #ifdef CONFIG_VNC
3719 Error *local_err = NULL;
3720
3721 if (vnc_parse(optarg, &local_err) == NULL) {
3722 error_report_err(local_err);
3723 exit(1);
3724 }
3725 #else
3726 error_report("VNC support is disabled");
3727 exit(1);
3728 #endif
3729 break;
3730 }
3731 case QEMU_OPTION_no_acpi:
3732 acpi_enabled = 0;
3733 break;
3734 case QEMU_OPTION_no_hpet:
3735 no_hpet = 1;
3736 break;
3737 case QEMU_OPTION_balloon:
3738 if (balloon_parse(optarg) < 0) {
3739 error_report("unknown -balloon argument %s", optarg);
3740 exit(1);
3741 }
3742 break;
3743 case QEMU_OPTION_no_reboot:
3744 no_reboot = 1;
3745 break;
3746 case QEMU_OPTION_no_shutdown:
3747 no_shutdown = 1;
3748 break;
3749 case QEMU_OPTION_show_cursor:
3750 cursor_hide = 0;
3751 break;
3752 case QEMU_OPTION_uuid:
3753 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3754 error_report("failed to parse UUID string: wrong format");
3755 exit(1);
3756 }
3757 qemu_uuid_set = true;
3758 break;
3759 case QEMU_OPTION_option_rom:
3760 if (nb_option_roms >= MAX_OPTION_ROMS) {
3761 error_report("too many option ROMs");
3762 exit(1);
3763 }
3764 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3765 optarg, true);
3766 if (!opts) {
3767 exit(1);
3768 }
3769 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3770 option_rom[nb_option_roms].bootindex =
3771 qemu_opt_get_number(opts, "bootindex", -1);
3772 if (!option_rom[nb_option_roms].name) {
3773 error_report("Option ROM file is not specified");
3774 exit(1);
3775 }
3776 nb_option_roms++;
3777 break;
3778 case QEMU_OPTION_semihosting:
3779 semihosting.enabled = true;
3780 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3781 break;
3782 case QEMU_OPTION_semihosting_config:
3783 semihosting.enabled = true;
3784 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3785 optarg, false);
3786 if (opts != NULL) {
3787 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3788 true);
3789 const char *target = qemu_opt_get(opts, "target");
3790 if (target != NULL) {
3791 if (strcmp("native", target) == 0) {
3792 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3793 } else if (strcmp("gdb", target) == 0) {
3794 semihosting.target = SEMIHOSTING_TARGET_GDB;
3795 } else if (strcmp("auto", target) == 0) {
3796 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3797 } else {
3798 error_report("unsupported semihosting-config %s",
3799 optarg);
3800 exit(1);
3801 }
3802 } else {
3803 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3804 }
3805 /* Set semihosting argument count and vector */
3806 qemu_opt_foreach(opts, add_semihosting_arg,
3807 &semihosting, NULL);
3808 } else {
3809 error_report("unsupported semihosting-config %s", optarg);
3810 exit(1);
3811 }
3812 break;
3813 case QEMU_OPTION_tdf:
3814 error_report("warning: ignoring deprecated option");
3815 break;
3816 case QEMU_OPTION_name:
3817 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3818 optarg, true);
3819 if (!opts) {
3820 exit(1);
3821 }
3822 break;
3823 case QEMU_OPTION_prom_env:
3824 if (nb_prom_envs >= MAX_PROM_ENVS) {
3825 error_report("too many prom variables");
3826 exit(1);
3827 }
3828 prom_envs[nb_prom_envs] = optarg;
3829 nb_prom_envs++;
3830 break;
3831 case QEMU_OPTION_old_param:
3832 old_param = 1;
3833 break;
3834 case QEMU_OPTION_clock:
3835 /* Clock options no longer exist. Keep this option for
3836 * backward compatibility.
3837 */
3838 break;
3839 case QEMU_OPTION_startdate:
3840 configure_rtc_date_offset(optarg, 1);
3841 break;
3842 case QEMU_OPTION_rtc:
3843 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3844 false);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 configure_rtc(opts);
3849 break;
3850 case QEMU_OPTION_tb_size:
3851 tcg_tb_size = strtol(optarg, NULL, 0);
3852 if (tcg_tb_size < 0) {
3853 tcg_tb_size = 0;
3854 }
3855 break;
3856 case QEMU_OPTION_icount:
3857 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3858 optarg, true);
3859 if (!icount_opts) {
3860 exit(1);
3861 }
3862 break;
3863 case QEMU_OPTION_incoming:
3864 if (!incoming) {
3865 runstate_set(RUN_STATE_INMIGRATE);
3866 }
3867 incoming = optarg;
3868 break;
3869 case QEMU_OPTION_nodefaults:
3870 has_defaults = 0;
3871 break;
3872 case QEMU_OPTION_xen_domid:
3873 if (!(xen_available())) {
3874 printf("Option %s not supported for this target\n", popt->name);
3875 exit(1);
3876 }
3877 xen_domid = atoi(optarg);
3878 break;
3879 case QEMU_OPTION_xen_create:
3880 if (!(xen_available())) {
3881 printf("Option %s not supported for this target\n", popt->name);
3882 exit(1);
3883 }
3884 xen_mode = XEN_CREATE;
3885 break;
3886 case QEMU_OPTION_xen_attach:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3889 exit(1);
3890 }
3891 xen_mode = XEN_ATTACH;
3892 break;
3893 case QEMU_OPTION_trace:
3894 {
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3896 optarg, true);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 if (qemu_opt_get(opts, "enable")) {
3901 trace_enable_events(qemu_opt_get(opts, "enable"));
3902 }
3903 trace_init_events(qemu_opt_get(opts, "events"));
3904 if (trace_file) {
3905 g_free(trace_file);
3906 }
3907 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3908 qemu_opts_del(opts);
3909 break;
3910 }
3911 case QEMU_OPTION_readconfig:
3912 {
3913 int ret = qemu_read_config_file(optarg);
3914 if (ret < 0) {
3915 error_report("read config %s: %s", optarg,
3916 strerror(-ret));
3917 exit(1);
3918 }
3919 break;
3920 }
3921 case QEMU_OPTION_spice:
3922 olist = qemu_find_opts("spice");
3923 if (!olist) {
3924 error_report("spice support is disabled");
3925 exit(1);
3926 }
3927 opts = qemu_opts_parse_noisily(olist, optarg, false);
3928 if (!opts) {
3929 exit(1);
3930 }
3931 display_remote++;
3932 break;
3933 case QEMU_OPTION_writeconfig:
3934 {
3935 FILE *fp;
3936 if (strcmp(optarg, "-") == 0) {
3937 fp = stdout;
3938 } else {
3939 fp = fopen(optarg, "w");
3940 if (fp == NULL) {
3941 error_report("open %s: %s", optarg,
3942 strerror(errno));
3943 exit(1);
3944 }
3945 }
3946 qemu_config_write(fp);
3947 if (fp != stdout) {
3948 fclose(fp);
3949 }
3950 break;
3951 }
3952 case QEMU_OPTION_qtest:
3953 qtest_chrdev = optarg;
3954 break;
3955 case QEMU_OPTION_qtest_log:
3956 qtest_log = optarg;
3957 break;
3958 case QEMU_OPTION_sandbox:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3960 optarg, true);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 break;
3965 case QEMU_OPTION_add_fd:
3966 #ifndef _WIN32
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3968 optarg, false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 #else
3973 error_report("File descriptor passing is disabled on this "
3974 "platform");
3975 exit(1);
3976 #endif
3977 break;
3978 case QEMU_OPTION_object:
3979 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3980 optarg, true);
3981 if (!opts) {
3982 exit(1);
3983 }
3984 break;
3985 case QEMU_OPTION_realtime:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3987 optarg, false);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3992 break;
3993 case QEMU_OPTION_msg:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3995 false);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 configure_msg(opts);
4000 break;
4001 case QEMU_OPTION_dump_vmstate:
4002 if (vmstate_dump_file) {
4003 error_report("only one '-dump-vmstate' "
4004 "option may be given");
4005 exit(1);
4006 }
4007 vmstate_dump_file = fopen(optarg, "w");
4008 if (vmstate_dump_file == NULL) {
4009 error_report("open %s: %s", optarg, strerror(errno));
4010 exit(1);
4011 }
4012 break;
4013 default:
4014 os_parse_cmd_args(popt->index, optarg);
4015 }
4016 }
4017 }
4018 /*
4019 * Clear error location left behind by the loop.
4020 * Best done right after the loop. Do not insert code here!
4021 */
4022 loc_set_none();
4023
4024 replay_configure(icount_opts);
4025
4026 machine_class = select_machine();
4027
4028 set_memory_options(&ram_slots, &maxram_size, machine_class);
4029
4030 os_daemonize();
4031
4032 if (qemu_init_main_loop(&main_loop_err)) {
4033 error_report_err(main_loop_err);
4034 exit(1);
4035 }
4036
4037 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4038 parse_sandbox, NULL, NULL)) {
4039 exit(1);
4040 }
4041
4042 if (qemu_opts_foreach(qemu_find_opts("name"),
4043 parse_name, NULL, NULL)) {
4044 exit(1);
4045 }
4046
4047 #ifndef _WIN32
4048 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4049 parse_add_fd, NULL, NULL)) {
4050 exit(1);
4051 }
4052
4053 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4054 cleanup_add_fd, NULL, NULL)) {
4055 exit(1);
4056 }
4057 #endif
4058
4059 current_machine = MACHINE(object_new(object_class_get_name(
4060 OBJECT_CLASS(machine_class))));
4061 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4062 exit(0);
4063 }
4064 object_property_add_child(object_get_root(), "machine",
4065 OBJECT(current_machine), &error_abort);
4066 cpu_exec_init_all();
4067
4068 if (machine_class->hw_version) {
4069 qemu_set_hw_version(machine_class->hw_version);
4070 }
4071
4072 /* Init CPU def lists, based on config
4073 * - Must be called after all the qemu_read_config_file() calls
4074 * - Must be called before list_cpus()
4075 * - Must be called before machine->init()
4076 */
4077 cpudef_init();
4078
4079 if (cpu_model && is_help_option(cpu_model)) {
4080 list_cpus(stdout, &fprintf, cpu_model);
4081 exit(0);
4082 }
4083
4084 trace_init_file(trace_file);
4085
4086 /* Open the logfile at this point and set the log mask if necessary.
4087 */
4088 if (log_file) {
4089 qemu_set_log_filename(log_file);
4090 }
4091
4092 if (log_mask) {
4093 int mask;
4094 mask = qemu_str_to_log_mask(log_mask);
4095 if (!mask) {
4096 qemu_print_log_usage(stdout);
4097 exit(1);
4098 }
4099 qemu_set_log(mask);
4100 } else {
4101 qemu_set_log(0);
4102 }
4103
4104 if (!trace_init_backends()) {
4105 exit(1);
4106 }
4107
4108 /* If no data_dir is specified then try to find it relative to the
4109 executable path. */
4110 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4111 data_dir[data_dir_idx] = os_find_datadir();
4112 if (data_dir[data_dir_idx] != NULL) {
4113 data_dir_idx++;
4114 }
4115 }
4116 /* If all else fails use the install path specified when building. */
4117 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4118 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4119 }
4120
4121 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4122
4123 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4124 if (max_cpus > machine_class->max_cpus) {
4125 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4126 "supported by machine '%s' (%d)", max_cpus,
4127 machine_class->name, machine_class->max_cpus);
4128 exit(1);
4129 }
4130
4131 /*
4132 * Get the default machine options from the machine if it is not already
4133 * specified either by the configuration file or by the command line.
4134 */
4135 if (machine_class->default_machine_opts) {
4136 qemu_opts_set_defaults(qemu_find_opts("machine"),
4137 machine_class->default_machine_opts, 0);
4138 }
4139
4140 qemu_opts_foreach(qemu_find_opts("device"),
4141 default_driver_check, NULL, NULL);
4142 qemu_opts_foreach(qemu_find_opts("global"),
4143 default_driver_check, NULL, NULL);
4144
4145 if (!vga_model && !default_vga) {
4146 vga_interface_type = VGA_DEVICE;
4147 }
4148 if (!has_defaults || machine_class->no_serial) {
4149 default_serial = 0;
4150 }
4151 if (!has_defaults || machine_class->no_parallel) {
4152 default_parallel = 0;
4153 }
4154 if (!has_defaults || !machine_class->use_virtcon) {
4155 default_virtcon = 0;
4156 }
4157 if (!has_defaults || !machine_class->use_sclp) {
4158 default_sclp = 0;
4159 }
4160 if (!has_defaults || machine_class->no_floppy) {
4161 default_floppy = 0;
4162 }
4163 if (!has_defaults || machine_class->no_cdrom) {
4164 default_cdrom = 0;
4165 }
4166 if (!has_defaults || machine_class->no_sdcard) {
4167 default_sdcard = 0;
4168 }
4169 if (!has_defaults) {
4170 default_monitor = 0;
4171 default_net = 0;
4172 default_vga = 0;
4173 }
4174
4175 if (is_daemonized()) {
4176 /* According to documentation and historically, -nographic redirects
4177 * serial port, parallel port and monitor to stdio, which does not work
4178 * with -daemonize. We can redirect these to null instead, but since
4179 * -nographic is legacy, let's just error out.
4180 * We disallow -nographic only if all other ports are not redirected
4181 * explicitly, to not break existing legacy setups which uses
4182 * -nographic _and_ redirects all ports explicitly - this is valid
4183 * usage, -nographic is just a no-op in this case.
4184 */
4185 if (display_type == DT_NOGRAPHIC
4186 && (default_parallel || default_serial
4187 || default_monitor || default_virtcon)) {
4188 error_report("-nographic cannot be used with -daemonize");
4189 exit(1);
4190 }
4191 #ifdef CONFIG_CURSES
4192 if (display_type == DT_CURSES) {
4193 error_report("curses display cannot be used with -daemonize");
4194 exit(1);
4195 }
4196 #endif
4197 }
4198
4199 if (display_type == DT_NOGRAPHIC) {
4200 if (default_parallel)
4201 add_device_config(DEV_PARALLEL, "null");
4202 if (default_serial && default_monitor) {
4203 add_device_config(DEV_SERIAL, "mon:stdio");
4204 } else if (default_virtcon && default_monitor) {
4205 add_device_config(DEV_VIRTCON, "mon:stdio");
4206 } else if (default_sclp && default_monitor) {
4207 add_device_config(DEV_SCLP, "mon:stdio");
4208 } else {
4209 if (default_serial)
4210 add_device_config(DEV_SERIAL, "stdio");
4211 if (default_virtcon)
4212 add_device_config(DEV_VIRTCON, "stdio");
4213 if (default_sclp) {
4214 add_device_config(DEV_SCLP, "stdio");
4215 }
4216 if (default_monitor)
4217 monitor_parse("stdio", "readline", false);
4218 }
4219 } else {
4220 if (default_serial)
4221 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4222 if (default_parallel)
4223 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4224 if (default_monitor)
4225 monitor_parse("vc:80Cx24C", "readline", false);
4226 if (default_virtcon)
4227 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4228 if (default_sclp) {
4229 add_device_config(DEV_SCLP, "vc:80Cx24C");
4230 }
4231 }
4232
4233 #if defined(CONFIG_VNC)
4234 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4235 display_remote++;
4236 }
4237 #endif
4238 if (display_type == DT_DEFAULT && !display_remote) {
4239 #if defined(CONFIG_GTK)
4240 display_type = DT_GTK;
4241 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4242 display_type = DT_SDL;
4243 #elif defined(CONFIG_VNC)
4244 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4245 show_vnc_port = 1;
4246 #else
4247 display_type = DT_NONE;
4248 #endif
4249 }
4250
4251 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4252 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4253 "for SDL, ignoring option");
4254 }
4255 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4256 error_report("-no-quit is only valid for GTK and SDL, "
4257 "ignoring option");
4258 }
4259
4260 #if defined(CONFIG_GTK)
4261 if (display_type == DT_GTK) {
4262 early_gtk_display_init(request_opengl);
4263 }
4264 #endif
4265 #if defined(CONFIG_SDL)
4266 if (display_type == DT_SDL) {
4267 sdl_display_early_init(request_opengl);
4268 }
4269 #endif
4270 if (request_opengl == 1 && display_opengl == 0) {
4271 #if defined(CONFIG_OPENGL)
4272 error_report("OpenGL is not supported by the display");
4273 #else
4274 error_report("OpenGL support is disabled");
4275 #endif
4276 exit(1);
4277 }
4278
4279 page_size_init();
4280 socket_init();
4281
4282 if (qemu_opts_foreach(qemu_find_opts("object"),
4283 user_creatable_add_opts_foreach,
4284 object_create_initial, &err)) {
4285 error_report_err(err);
4286 exit(1);
4287 }
4288
4289 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4290 chardev_init_func, NULL, NULL)) {
4291 exit(1);
4292 }
4293
4294 #ifdef CONFIG_VIRTFS
4295 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4296 fsdev_init_func, NULL, NULL)) {
4297 exit(1);
4298 }
4299 #endif
4300
4301 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4302 error_report("could not acquire pid file: %s", strerror(errno));
4303 exit(1);
4304 }
4305
4306 if (qemu_opts_foreach(qemu_find_opts("device"),
4307 device_help_func, NULL, NULL)) {
4308 exit(0);
4309 }
4310
4311 machine_opts = qemu_get_machine_opts();
4312 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4313 NULL)) {
4314 object_unref(OBJECT(current_machine));
4315 exit(1);
4316 }
4317
4318 configure_accelerator(current_machine);
4319
4320 if (qtest_chrdev) {
4321 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4326 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4327 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4328 bios_name = qemu_opt_get(machine_opts, "firmware");
4329
4330 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4331 if (opts) {
4332 boot_order = qemu_opt_get(opts, "order");
4333 if (boot_order) {
4334 validate_bootdevices(boot_order, &error_fatal);
4335 }
4336
4337 boot_once = qemu_opt_get(opts, "once");
4338 if (boot_once) {
4339 validate_bootdevices(boot_once, &error_fatal);
4340 }
4341
4342 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4343 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4344 }
4345
4346 if (!boot_order) {
4347 boot_order = machine_class->default_boot_order;
4348 }
4349
4350 if (!kernel_cmdline) {
4351 kernel_cmdline = "";
4352 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4353 }
4354
4355 linux_boot = (kernel_filename != NULL);
4356
4357 if (!linux_boot && *kernel_cmdline != '\0') {
4358 error_report("-append only allowed with -kernel option");
4359 exit(1);
4360 }
4361
4362 if (!linux_boot && initrd_filename != NULL) {
4363 error_report("-initrd only allowed with -kernel option");
4364 exit(1);
4365 }
4366
4367 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4368 error_report("-dtb only allowed with -kernel option");
4369 exit(1);
4370 }
4371
4372 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4373 /* fall back to the -kernel/-append */
4374 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4375 }
4376
4377 os_set_line_buffering();
4378
4379 #ifdef CONFIG_SPICE
4380 /* spice needs the timers to be initialized by this point */
4381 qemu_spice_init();
4382 #endif
4383
4384 cpu_ticks_init();
4385 if (icount_opts) {
4386 if (kvm_enabled() || xen_enabled()) {
4387 error_report("-icount is not allowed with kvm or xen");
4388 exit(1);
4389 }
4390 configure_icount(icount_opts, &error_abort);
4391 qemu_opts_del(icount_opts);
4392 }
4393
4394 /* clean up network at qemu process termination */
4395 atexit(&net_cleanup);
4396
4397 if (net_init_clients() < 0) {
4398 exit(1);
4399 }
4400
4401 if (qemu_opts_foreach(qemu_find_opts("object"),
4402 user_creatable_add_opts_foreach,
4403 object_create_delayed, &err)) {
4404 error_report_err(err);
4405 exit(1);
4406 }
4407
4408 #ifdef CONFIG_TPM
4409 if (tpm_init() < 0) {
4410 exit(1);
4411 }
4412 #endif
4413
4414 /* init the bluetooth world */
4415 if (foreach_device_config(DEV_BT, bt_parse))
4416 exit(1);
4417
4418 if (!xen_enabled()) {
4419 /* On 32-bit hosts, QEMU is limited by virtual address space */
4420 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4421 error_report("at most 2047 MB RAM can be simulated");
4422 exit(1);
4423 }
4424 }
4425
4426 blk_mig_init();
4427 ram_mig_init();
4428
4429 /* If the currently selected machine wishes to override the units-per-bus
4430 * property of its default HBA interface type, do so now. */
4431 if (machine_class->units_per_default_bus) {
4432 override_max_devs(machine_class->block_default_type,
4433 machine_class->units_per_default_bus);
4434 }
4435
4436 /* open the virtual block devices */
4437 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4438 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4439 NULL, NULL);
4440 }
4441 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4442 &machine_class->block_default_type, NULL)) {
4443 exit(1);
4444 }
4445
4446 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4447 CDROM_OPTS);
4448 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4449 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4450
4451 parse_numa_opts(machine_class);
4452
4453 if (qemu_opts_foreach(qemu_find_opts("mon"),
4454 mon_init_func, NULL, NULL)) {
4455 exit(1);
4456 }
4457
4458 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4459 exit(1);
4460 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4461 exit(1);
4462 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4463 exit(1);
4464 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4465 exit(1);
4466 }
4467 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4468 exit(1);
4469
4470 /* If no default VGA is requested, the default is "none". */
4471 if (default_vga) {
4472 if (machine_class->default_display) {
4473 vga_model = machine_class->default_display;
4474 } else if (cirrus_vga_available()) {
4475 vga_model = "cirrus";
4476 } else if (vga_available()) {
4477 vga_model = "std";
4478 }
4479 }
4480 if (vga_model) {
4481 select_vgahw(vga_model);
4482 }
4483
4484 if (watchdog) {
4485 i = select_watchdog(watchdog);
4486 if (i > 0)
4487 exit (i == 1 ? 1 : 0);
4488 }
4489
4490 if (machine_class->compat_props) {
4491 qdev_prop_register_global_list(machine_class->compat_props);
4492 }
4493 qemu_add_globals();
4494
4495 /* This checkpoint is required by replay to separate prior clock
4496 reading from the other reads, because timer polling functions query
4497 clock values from the log. */
4498 replay_checkpoint(CHECKPOINT_INIT);
4499 qdev_machine_init();
4500
4501 current_machine->ram_size = ram_size;
4502 current_machine->maxram_size = maxram_size;
4503 current_machine->ram_slots = ram_slots;
4504 current_machine->boot_order = boot_order;
4505 current_machine->cpu_model = cpu_model;
4506
4507 machine_class->init(current_machine);
4508
4509 realtime_init();
4510
4511 audio_init();
4512
4513 cpu_synchronize_all_post_init();
4514
4515 numa_post_machine_init();
4516
4517 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4518 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4519 exit(1);
4520 }
4521
4522 /* init USB devices */
4523 if (usb_enabled()) {
4524 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4525 exit(1);
4526 }
4527
4528 /* Check if IGD GFX passthrough. */
4529 igd_gfx_passthru();
4530
4531 /* init generic devices */
4532 if (qemu_opts_foreach(qemu_find_opts("device"),
4533 device_init_func, NULL, NULL)) {
4534 exit(1);
4535 }
4536
4537 /* Did we create any drives that we failed to create a device for? */
4538 drive_check_orphaned();
4539
4540 net_check_clients();
4541
4542 if (boot_once) {
4543 qemu_boot_set(boot_once, &error_fatal);
4544 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4545 }
4546
4547 ds = init_displaystate();
4548
4549 /* init local displays */
4550 switch (display_type) {
4551 case DT_NOGRAPHIC:
4552 (void)ds; /* avoid warning if no display is configured */
4553 break;
4554 #if defined(CONFIG_CURSES)
4555 case DT_CURSES:
4556 curses_display_init(ds, full_screen);
4557 break;
4558 #endif
4559 #if defined(CONFIG_SDL)
4560 case DT_SDL:
4561 sdl_display_init(ds, full_screen, no_frame);
4562 break;
4563 #elif defined(CONFIG_COCOA)
4564 case DT_SDL:
4565 cocoa_display_init(ds, full_screen);
4566 break;
4567 #endif
4568 #if defined(CONFIG_GTK)
4569 case DT_GTK:
4570 gtk_display_init(ds, full_screen, grab_on_hover);
4571 break;
4572 #endif
4573 default:
4574 break;
4575 }
4576
4577 /* must be after terminal init, SDL library changes signal handlers */
4578 os_setup_signal_handling();
4579
4580 #ifdef CONFIG_VNC
4581 /* init remote displays */
4582 qemu_opts_foreach(qemu_find_opts("vnc"),
4583 vnc_init_func, NULL, NULL);
4584 if (show_vnc_port) {
4585 char *ret = vnc_display_local_addr("default");
4586 printf("VNC server running on '%s'\n", ret);
4587 g_free(ret);
4588 }
4589 #endif
4590 #ifdef CONFIG_SPICE
4591 if (using_spice) {
4592 qemu_spice_display_init();
4593 }
4594 #endif
4595
4596 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4597 exit(1);
4598 }
4599
4600 qdev_machine_creation_done();
4601
4602 /* TODO: once all bus devices are qdevified, this should be done
4603 * when bus is created by qdev.c */
4604 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4605 qemu_run_machine_init_done_notifiers();
4606
4607 if (rom_check_and_register_reset() != 0) {
4608 error_report("rom check and register reset failed");
4609 exit(1);
4610 }
4611
4612 replay_start();
4613
4614 /* This checkpoint is required by replay to separate prior clock
4615 reading from the other reads, because timer polling functions query
4616 clock values from the log. */
4617 replay_checkpoint(CHECKPOINT_RESET);
4618 qemu_system_reset(VMRESET_SILENT);
4619 register_global_state();
4620 if (loadvm) {
4621 if (load_vmstate(loadvm) < 0) {
4622 autostart = 0;
4623 }
4624 }
4625
4626 qdev_prop_check_globals();
4627 if (vmstate_dump_file) {
4628 /* dump and exit */
4629 dump_vmstate_json_to_file(vmstate_dump_file);
4630 return 0;
4631 }
4632
4633 if (incoming) {
4634 Error *local_err = NULL;
4635 qemu_start_incoming_migration(incoming, &local_err);
4636 if (local_err) {
4637 error_reportf_err(local_err, "-incoming %s: ", incoming);
4638 exit(1);
4639 }
4640 } else if (autostart) {
4641 vm_start();
4642 }
4643
4644 os_setup_post();
4645
4646 main_loop();
4647 replay_disable_events();
4648
4649 bdrv_close_all();
4650 pause_all_vcpus();
4651 res_free();
4652 #ifdef CONFIG_TPM
4653 tpm_cleanup();
4654 #endif
4655
4656 return 0;
4657 }
QEmu