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mirror: fix misleading comments
[qemu.git] / vl.c
blob4c1f9aee1f6f582ef4b6faaf7ea88f01b04e2fb4
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 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28
29 #ifdef CONFIG_SECCOMP
30 #include "sysemu/seccomp.h"
31 #endif
32
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 static bool grab_on_hover;
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 = 1;
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 static int default_net = 1;
211
212 static struct {
213 const char *driver;
214 int *flag;
215 } default_list[] = {
216 { .driver = "isa-serial", .flag = &default_serial },
217 { .driver = "isa-parallel", .flag = &default_parallel },
218 { .driver = "isa-fdc", .flag = &default_floppy },
219 { .driver = "ide-cd", .flag = &default_cdrom },
220 { .driver = "ide-hd", .flag = &default_cdrom },
221 { .driver = "ide-drive", .flag = &default_cdrom },
222 { .driver = "scsi-cd", .flag = &default_cdrom },
223 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
224 { .driver = "virtio-serial", .flag = &default_virtcon },
225 { .driver = "VGA", .flag = &default_vga },
226 { .driver = "isa-vga", .flag = &default_vga },
227 { .driver = "cirrus-vga", .flag = &default_vga },
228 { .driver = "isa-cirrus-vga", .flag = &default_vga },
229 { .driver = "vmware-svga", .flag = &default_vga },
230 { .driver = "qxl-vga", .flag = &default_vga },
231 { .driver = "virtio-vga", .flag = &default_vga },
232 };
233
234 static QemuOptsList qemu_rtc_opts = {
235 .name = "rtc",
236 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
237 .desc = {
238 {
239 .name = "base",
240 .type = QEMU_OPT_STRING,
241 },{
242 .name = "clock",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "driftfix",
246 .type = QEMU_OPT_STRING,
247 },
248 { /* end of list */ }
249 },
250 };
251
252 static QemuOptsList qemu_sandbox_opts = {
253 .name = "sandbox",
254 .implied_opt_name = "enable",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
256 .desc = {
257 {
258 .name = "enable",
259 .type = QEMU_OPT_BOOL,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_trace_opts = {
266 .name = "trace",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_STRING,
273 },
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "rr",
478 .type = QEMU_OPT_STRING,
479 }, {
480 .name = "rrfile",
481 .type = QEMU_OPT_STRING,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_semihosting_config_opts = {
488 .name = "semihosting-config",
489 .implied_opt_name = "enable",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
491 .desc = {
492 {
493 .name = "enable",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "target",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "arg",
500 .type = QEMU_OPT_STRING,
501 },
502 { /* end of list */ }
503 },
504 };
505
506 static QemuOptsList qemu_fw_cfg_opts = {
507 .name = "fw_cfg",
508 .implied_opt_name = "name",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
510 .desc = {
511 {
512 .name = "name",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the fw_cfg name of the blob to be inserted",
515 }, {
516 .name = "file",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets the name of the file from which\n"
519 "the fw_cfg blob will be loaded",
520 }, {
521 .name = "string",
522 .type = QEMU_OPT_STRING,
523 .help = "Sets content of the blob to be inserted from a string",
524 },
525 { /* end of list */ }
526 },
527 };
528
529 /**
530 * Get machine options
531 *
532 * Returns: machine options (never null).
533 */
534 QemuOpts *qemu_get_machine_opts(void)
535 {
536 return qemu_find_opts_singleton("machine");
537 }
538
539 const char *qemu_get_vm_name(void)
540 {
541 return qemu_name;
542 }
543
544 static void res_free(void)
545 {
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
548 }
549
550 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 /* We use RUN_STATE__MAX but any invalid value will do */
571 static RunState vmstop_requested = RUN_STATE__MAX;
572 static QemuMutex vmstop_lock;
573
574 typedef struct {
575 RunState from;
576 RunState to;
577 } RunStateTransition;
578
579 static const RunStateTransition runstate_transitions_def[] = {
580 /* from -> to */
581 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
582 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
584
585 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
592 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
595 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
602 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
612
613 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
622 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
625 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
628 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
632 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
633 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
634
635 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
636
637 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
642 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
643 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
644 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
648 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE__MAX, RUN_STATE__MAX },
656 };
657
658 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
659
660 bool runstate_check(RunState state)
661 {
662 return current_run_state == state;
663 }
664
665 bool runstate_store(char *str, size_t size)
666 {
667 const char *state = RunState_lookup[current_run_state];
668 size_t len = strlen(state) + 1;
669
670 if (len > size) {
671 return false;
672 }
673 memcpy(str, state, len);
674 return true;
675 }
676
677 static void runstate_init(void)
678 {
679 const RunStateTransition *p;
680
681 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
682 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
683 runstate_valid_transitions[p->from][p->to] = true;
684 }
685
686 qemu_mutex_init(&vmstop_lock);
687 }
688
689 /* This function will abort() on invalid state transitions */
690 void runstate_set(RunState new_state)
691 {
692 assert(new_state < RUN_STATE__MAX);
693
694 if (current_run_state == new_state) {
695 return;
696 }
697
698 if (!runstate_valid_transitions[current_run_state][new_state]) {
699 error_report("invalid runstate transition: '%s' -> '%s'",
700 RunState_lookup[current_run_state],
701 RunState_lookup[new_state]);
702 abort();
703 }
704 trace_runstate_set(new_state);
705 current_run_state = new_state;
706 }
707
708 int runstate_is_running(void)
709 {
710 return runstate_check(RUN_STATE_RUNNING);
711 }
712
713 bool runstate_needs_reset(void)
714 {
715 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
716 runstate_check(RUN_STATE_SHUTDOWN);
717 }
718
719 StatusInfo *qmp_query_status(Error **errp)
720 {
721 StatusInfo *info = g_malloc0(sizeof(*info));
722
723 info->running = runstate_is_running();
724 info->singlestep = singlestep;
725 info->status = current_run_state;
726
727 return info;
728 }
729
730 static bool qemu_vmstop_requested(RunState *r)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 *r = vmstop_requested;
734 vmstop_requested = RUN_STATE__MAX;
735 qemu_mutex_unlock(&vmstop_lock);
736 return *r < RUN_STATE__MAX;
737 }
738
739 void qemu_system_vmstop_request_prepare(void)
740 {
741 qemu_mutex_lock(&vmstop_lock);
742 }
743
744 void qemu_system_vmstop_request(RunState state)
745 {
746 vmstop_requested = state;
747 qemu_mutex_unlock(&vmstop_lock);
748 qemu_notify_event();
749 }
750
751 void vm_start(void)
752 {
753 RunState requested;
754
755 qemu_vmstop_requested(&requested);
756 if (runstate_is_running() && requested == RUN_STATE__MAX) {
757 return;
758 }
759
760 /* Ensure that a STOP/RESUME pair of events is emitted if a
761 * vmstop request was pending. The BLOCK_IO_ERROR event, for
762 * example, according to documentation is always followed by
763 * the STOP event.
764 */
765 if (runstate_is_running()) {
766 qapi_event_send_stop(&error_abort);
767 } else {
768 cpu_enable_ticks();
769 runstate_set(RUN_STATE_RUNNING);
770 vm_state_notify(1, RUN_STATE_RUNNING);
771 resume_all_vcpus();
772 }
773
774 qapi_event_send_resume(&error_abort);
775 }
776
777
778 /***********************************************************/
779 /* real time host monotonic timer */
780
781 static time_t qemu_time(void)
782 {
783 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
784 }
785
786 /***********************************************************/
787 /* host time/date access */
788 void qemu_get_timedate(struct tm *tm, int offset)
789 {
790 time_t ti = qemu_time();
791
792 ti += offset;
793 if (rtc_date_offset == -1) {
794 if (rtc_utc)
795 gmtime_r(&ti, tm);
796 else
797 localtime_r(&ti, tm);
798 } else {
799 ti -= rtc_date_offset;
800 gmtime_r(&ti, tm);
801 }
802 }
803
804 int qemu_timedate_diff(struct tm *tm)
805 {
806 time_t seconds;
807
808 if (rtc_date_offset == -1)
809 if (rtc_utc)
810 seconds = mktimegm(tm);
811 else {
812 struct tm tmp = *tm;
813 tmp.tm_isdst = -1; /* use timezone to figure it out */
814 seconds = mktime(&tmp);
815 }
816 else
817 seconds = mktimegm(tm) + rtc_date_offset;
818
819 return seconds - qemu_time();
820 }
821
822 static void configure_rtc_date_offset(const char *startdate, int legacy)
823 {
824 time_t rtc_start_date;
825 struct tm tm;
826
827 if (!strcmp(startdate, "now") && legacy) {
828 rtc_date_offset = -1;
829 } else {
830 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
831 &tm.tm_year,
832 &tm.tm_mon,
833 &tm.tm_mday,
834 &tm.tm_hour,
835 &tm.tm_min,
836 &tm.tm_sec) == 6) {
837 /* OK */
838 } else if (sscanf(startdate, "%d-%d-%d",
839 &tm.tm_year,
840 &tm.tm_mon,
841 &tm.tm_mday) == 3) {
842 tm.tm_hour = 0;
843 tm.tm_min = 0;
844 tm.tm_sec = 0;
845 } else {
846 goto date_fail;
847 }
848 tm.tm_year -= 1900;
849 tm.tm_mon--;
850 rtc_start_date = mktimegm(&tm);
851 if (rtc_start_date == -1) {
852 date_fail:
853 error_report("invalid date format");
854 error_printf("valid formats: "
855 "'2006-06-17T16:01:21' or '2006-06-17'\n");
856 exit(1);
857 }
858 rtc_date_offset = qemu_time() - rtc_start_date;
859 }
860 }
861
862 static void configure_rtc(QemuOpts *opts)
863 {
864 const char *value;
865
866 value = qemu_opt_get(opts, "base");
867 if (value) {
868 if (!strcmp(value, "utc")) {
869 rtc_utc = 1;
870 } else if (!strcmp(value, "localtime")) {
871 Error *blocker = NULL;
872 rtc_utc = 0;
873 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
874 "-rtc base=localtime");
875 replay_add_blocker(blocker);
876 } else {
877 configure_rtc_date_offset(value, 0);
878 }
879 }
880 value = qemu_opt_get(opts, "clock");
881 if (value) {
882 if (!strcmp(value, "host")) {
883 rtc_clock = QEMU_CLOCK_HOST;
884 } else if (!strcmp(value, "rt")) {
885 rtc_clock = QEMU_CLOCK_REALTIME;
886 } else if (!strcmp(value, "vm")) {
887 rtc_clock = QEMU_CLOCK_VIRTUAL;
888 } else {
889 error_report("invalid option value '%s'", value);
890 exit(1);
891 }
892 }
893 value = qemu_opt_get(opts, "driftfix");
894 if (value) {
895 if (!strcmp(value, "slew")) {
896 static GlobalProperty slew_lost_ticks = {
897 .driver = "mc146818rtc",
898 .property = "lost_tick_policy",
899 .value = "slew",
900 };
901
902 qdev_prop_register_global(&slew_lost_ticks);
903 } else if (!strcmp(value, "none")) {
904 /* discard is default */
905 } else {
906 error_report("invalid option value '%s'", value);
907 exit(1);
908 }
909 }
910 }
911
912 /***********************************************************/
913 /* Bluetooth support */
914 static int nb_hcis;
915 static int cur_hci;
916 static struct HCIInfo *hci_table[MAX_NICS];
917
918 struct HCIInfo *qemu_next_hci(void)
919 {
920 if (cur_hci == nb_hcis)
921 return &null_hci;
922
923 return hci_table[cur_hci++];
924 }
925
926 static int bt_hci_parse(const char *str)
927 {
928 struct HCIInfo *hci;
929 bdaddr_t bdaddr;
930
931 if (nb_hcis >= MAX_NICS) {
932 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
933 return -1;
934 }
935
936 hci = hci_init(str);
937 if (!hci)
938 return -1;
939
940 bdaddr.b[0] = 0x52;
941 bdaddr.b[1] = 0x54;
942 bdaddr.b[2] = 0x00;
943 bdaddr.b[3] = 0x12;
944 bdaddr.b[4] = 0x34;
945 bdaddr.b[5] = 0x56 + nb_hcis;
946 hci->bdaddr_set(hci, bdaddr.b);
947
948 hci_table[nb_hcis++] = hci;
949
950 return 0;
951 }
952
953 static void bt_vhci_add(int vlan_id)
954 {
955 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 error_report("warning: adding a VHCI to an empty scatternet %i",
959 vlan_id);
960
961 bt_vhci_init(bt_new_hci(vlan));
962 }
963
964 static struct bt_device_s *bt_device_add(const char *opt)
965 {
966 struct bt_scatternet_s *vlan;
967 int vlan_id = 0;
968 char *endp = strstr(opt, ",vlan=");
969 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 char devname[10];
971
972 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973
974 if (endp) {
975 vlan_id = strtol(endp + 6, &endp, 0);
976 if (*endp) {
977 error_report("unrecognised bluetooth vlan Id");
978 return 0;
979 }
980 }
981
982 vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 error_report("warning: adding a slave device to an empty scatternet %i",
986 vlan_id);
987
988 if (!strcmp(devname, "keyboard"))
989 return bt_keyboard_init(vlan);
990
991 error_report("unsupported bluetooth device '%s'", devname);
992 return 0;
993 }
994
995 static int bt_parse(const char *opt)
996 {
997 const char *endp, *p;
998 int vlan;
999
1000 if (strstart(opt, "hci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp)
1003 if (!strstart(endp, ",vlan=", 0))
1004 opt = endp + 1;
1005
1006 return bt_hci_parse(opt);
1007 }
1008 } else if (strstart(opt, "vhci", &endp)) {
1009 if (!*endp || *endp == ',') {
1010 if (*endp) {
1011 if (strstart(endp, ",vlan=", &p)) {
1012 vlan = strtol(p, (char **) &endp, 0);
1013 if (*endp) {
1014 error_report("bad scatternet '%s'", p);
1015 return 1;
1016 }
1017 } else {
1018 error_report("bad parameter '%s'", endp + 1);
1019 return 1;
1020 }
1021 } else
1022 vlan = 0;
1023
1024 bt_vhci_add(vlan);
1025 return 0;
1026 }
1027 } else if (strstart(opt, "device:", &endp))
1028 return !bt_device_add(endp);
1029
1030 error_report("bad bluetooth parameter '%s'", opt);
1031 return 1;
1032 }
1033
1034 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 {
1036 /* FIXME: change this to true for 1.3 */
1037 if (qemu_opt_get_bool(opts, "enable", false)) {
1038 #ifdef CONFIG_SECCOMP
1039 if (seccomp_start() < 0) {
1040 error_report("failed to install seccomp syscall filter "
1041 "in the kernel");
1042 return -1;
1043 }
1044 #else
1045 error_report("seccomp support is disabled");
1046 return -1;
1047 #endif
1048 }
1049
1050 return 0;
1051 }
1052
1053 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 const char *proc_name;
1056
1057 if (qemu_opt_get(opts, "debug-threads")) {
1058 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 }
1060 qemu_name = qemu_opt_get(opts, "guest");
1061
1062 proc_name = qemu_opt_get(opts, "process");
1063 if (proc_name) {
1064 os_set_proc_name(proc_name);
1065 }
1066
1067 return 0;
1068 }
1069
1070 bool defaults_enabled(void)
1071 {
1072 return has_defaults;
1073 }
1074
1075 #ifndef _WIN32
1076 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1077 {
1078 int fd, dupfd, flags;
1079 int64_t fdset_id;
1080 const char *fd_opaque = NULL;
1081 AddfdInfo *fdinfo;
1082
1083 fd = qemu_opt_get_number(opts, "fd", -1);
1084 fdset_id = qemu_opt_get_number(opts, "set", -1);
1085 fd_opaque = qemu_opt_get(opts, "opaque");
1086
1087 if (fd < 0) {
1088 error_report("fd option is required and must be non-negative");
1089 return -1;
1090 }
1091
1092 if (fd <= STDERR_FILENO) {
1093 error_report("fd cannot be a standard I/O stream");
1094 return -1;
1095 }
1096
1097 /*
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1100 */
1101 flags = fcntl(fd, F_GETFD);
1102 if (flags == -1 || (flags & FD_CLOEXEC)) {
1103 error_report("fd is not valid or already in use");
1104 return -1;
1105 }
1106
1107 if (fdset_id < 0) {
1108 error_report("set option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1114 #else
1115 dupfd = dup(fd);
1116 if (dupfd != -1) {
1117 qemu_set_cloexec(dupfd);
1118 }
1119 #endif
1120 if (dupfd == -1) {
1121 error_report("error duplicating fd: %s", strerror(errno));
1122 return -1;
1123 }
1124
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1127 &error_abort);
1128 g_free(fdinfo);
1129
1130 return 0;
1131 }
1132
1133 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 int fd;
1136
1137 fd = qemu_opt_get_number(opts, "fd", -1);
1138 close(fd);
1139
1140 return 0;
1141 }
1142 #endif
1143
1144 /***********************************************************/
1145 /* QEMU Block devices */
1146
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1149 #define FD_OPTS ""
1150 #define PFLASH_OPTS ""
1151 #define MTD_OPTS ""
1152 #define SD_OPTS ""
1153
1154 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 BlockInterfaceType *block_default_type = opaque;
1157
1158 return drive_new(opts, *block_default_type) == NULL;
1159 }
1160
1161 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 if (qemu_opt_get(opts, "snapshot") == NULL) {
1164 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1165 }
1166 return 0;
1167 }
1168
1169 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1170 int index, const char *optstr)
1171 {
1172 QemuOpts *opts;
1173 DriveInfo *dinfo;
1174
1175 if (!enable || drive_get_by_index(type, index)) {
1176 return;
1177 }
1178
1179 opts = drive_add(type, index, NULL, optstr);
1180 if (snapshot) {
1181 drive_enable_snapshot(NULL, opts, NULL);
1182 }
1183
1184 dinfo = drive_new(opts, type);
1185 if (!dinfo) {
1186 exit(1);
1187 }
1188 dinfo->is_default = true;
1189
1190 }
1191
1192 static QemuOptsList qemu_smp_opts = {
1193 .name = "smp-opts",
1194 .implied_opt_name = "cpus",
1195 .merge_lists = true,
1196 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1197 .desc = {
1198 {
1199 .name = "cpus",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "sockets",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "cores",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "threads",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "maxcpus",
1212 .type = QEMU_OPT_NUMBER,
1213 },
1214 { /*End of list */ }
1215 },
1216 };
1217
1218 static void smp_parse(QemuOpts *opts)
1219 {
1220 if (opts) {
1221 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1222 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1223 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1224 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1225
1226 /* compute missing values, prefer sockets over cores over threads */
1227 if (cpus == 0 || sockets == 0) {
1228 sockets = sockets > 0 ? sockets : 1;
1229 cores = cores > 0 ? cores : 1;
1230 threads = threads > 0 ? threads : 1;
1231 if (cpus == 0) {
1232 cpus = cores * threads * sockets;
1233 }
1234 } else if (cores == 0) {
1235 threads = threads > 0 ? threads : 1;
1236 cores = cpus / (sockets * threads);
1237 } else if (threads == 0) {
1238 threads = cpus / (cores * sockets);
1239 } else if (sockets * cores * threads < cpus) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) < "
1242 "smp_cpus (%u)",
1243 sockets, cores, threads, cpus);
1244 exit(1);
1245 }
1246
1247 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1248
1249 if (max_cpus > MAX_CPUMASK_BITS) {
1250 error_report("unsupported number of maxcpus");
1251 exit(1);
1252 }
1253
1254 if (max_cpus < cpus) {
1255 error_report("maxcpus must be equal to or greater than smp");
1256 exit(1);
1257 }
1258
1259 if (sockets * cores * threads > max_cpus) {
1260 error_report("cpu topology: "
1261 "sockets (%u) * cores (%u) * threads (%u) > "
1262 "maxcpus (%u)",
1263 sockets, cores, threads, max_cpus);
1264 exit(1);
1265 }
1266
1267 smp_cpus = cpus;
1268 smp_cores = cores;
1269 smp_threads = threads;
1270 }
1271
1272 if (smp_cpus > 1) {
1273 Error *blocker = NULL;
1274 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1275 replay_add_blocker(blocker);
1276 }
1277 }
1278
1279 static void realtime_init(void)
1280 {
1281 if (enable_mlock) {
1282 if (os_mlock() < 0) {
1283 error_report("locking memory failed");
1284 exit(1);
1285 }
1286 }
1287 }
1288
1289
1290 static void configure_msg(QemuOpts *opts)
1291 {
1292 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1293 }
1294
1295 /***********************************************************/
1296 /* Semihosting */
1297
1298 typedef struct SemihostingConfig {
1299 bool enabled;
1300 SemihostingTarget target;
1301 const char **argv;
1302 int argc;
1303 const char *cmdline; /* concatenated argv */
1304 } SemihostingConfig;
1305
1306 static SemihostingConfig semihosting;
1307
1308 bool semihosting_enabled(void)
1309 {
1310 return semihosting.enabled;
1311 }
1312
1313 SemihostingTarget semihosting_get_target(void)
1314 {
1315 return semihosting.target;
1316 }
1317
1318 const char *semihosting_get_arg(int i)
1319 {
1320 if (i >= semihosting.argc) {
1321 return NULL;
1322 }
1323 return semihosting.argv[i];
1324 }
1325
1326 int semihosting_get_argc(void)
1327 {
1328 return semihosting.argc;
1329 }
1330
1331 const char *semihosting_get_cmdline(void)
1332 {
1333 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1334 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1335 }
1336 return semihosting.cmdline;
1337 }
1338
1339 static int add_semihosting_arg(void *opaque,
1340 const char *name, const char *val,
1341 Error **errp)
1342 {
1343 SemihostingConfig *s = opaque;
1344 if (strcmp(name, "arg") == 0) {
1345 s->argc++;
1346 /* one extra element as g_strjoinv() expects NULL-terminated array */
1347 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1348 s->argv[s->argc - 1] = val;
1349 s->argv[s->argc] = NULL;
1350 }
1351 return 0;
1352 }
1353
1354 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1355 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1356 {
1357 char *cmd_token;
1358
1359 /* argv[0] */
1360 add_semihosting_arg(&semihosting, "arg", file, NULL);
1361
1362 /* split -append and initialize argv[1..n] */
1363 cmd_token = strtok(g_strdup(cmd), " ");
1364 while (cmd_token) {
1365 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1366 cmd_token = strtok(NULL, " ");
1367 }
1368 }
1369
1370 /* Now we still need this for compatibility with XEN. */
1371 bool has_igd_gfx_passthru;
1372 static void igd_gfx_passthru(void)
1373 {
1374 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1375 }
1376
1377 /***********************************************************/
1378 /* USB devices */
1379
1380 static int usb_device_add(const char *devname)
1381 {
1382 USBDevice *dev = NULL;
1383 #ifndef CONFIG_LINUX
1384 const char *p;
1385 #endif
1386
1387 if (!machine_usb(current_machine)) {
1388 return -1;
1389 }
1390
1391 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1392 dev = usbdevice_create(devname);
1393 if (dev)
1394 goto done;
1395
1396 /* the other ones */
1397 #ifndef CONFIG_LINUX
1398 /* only the linux version is qdev-ified, usb-bsd still needs this */
1399 if (strstart(devname, "host:", &p)) {
1400 dev = usb_host_device_open(usb_bus_find(-1), p);
1401 }
1402 #endif
1403 if (!dev)
1404 return -1;
1405
1406 done:
1407 return 0;
1408 }
1409
1410 static int usb_device_del(const char *devname)
1411 {
1412 int bus_num, addr;
1413 const char *p;
1414
1415 if (strstart(devname, "host:", &p)) {
1416 return -1;
1417 }
1418
1419 if (!machine_usb(current_machine)) {
1420 return -1;
1421 }
1422
1423 p = strchr(devname, '.');
1424 if (!p)
1425 return -1;
1426 bus_num = strtoul(devname, NULL, 0);
1427 addr = strtoul(p + 1, NULL, 0);
1428
1429 return usb_device_delete_addr(bus_num, addr);
1430 }
1431
1432 static int usb_parse(const char *cmdline)
1433 {
1434 int r;
1435 r = usb_device_add(cmdline);
1436 if (r < 0) {
1437 error_report("could not add USB device '%s'", cmdline);
1438 }
1439 return r;
1440 }
1441
1442 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1443 {
1444 const char *devname = qdict_get_str(qdict, "devname");
1445 if (usb_device_add(devname) < 0) {
1446 error_report("could not add USB device '%s'", devname);
1447 }
1448 }
1449
1450 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1451 {
1452 const char *devname = qdict_get_str(qdict, "devname");
1453 if (usb_device_del(devname) < 0) {
1454 error_report("could not delete USB device '%s'", devname);
1455 }
1456 }
1457
1458 /***********************************************************/
1459 /* machine registration */
1460
1461 MachineState *current_machine;
1462
1463 static MachineClass *find_machine(const char *name)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineClass *mc = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *temp = el->data;
1470
1471 if (!strcmp(temp->name, name)) {
1472 mc = temp;
1473 break;
1474 }
1475 if (temp->alias &&
1476 !strcmp(temp->alias, name)) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineClass *find_default_machine(void)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineClass *mc = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *temp = el->data;
1493
1494 if (temp->is_default) {
1495 mc = temp;
1496 break;
1497 }
1498 }
1499
1500 g_slist_free(machines);
1501 return mc;
1502 }
1503
1504 MachineInfoList *qmp_query_machines(Error **errp)
1505 {
1506 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1507 MachineInfoList *mach_list = NULL;
1508
1509 for (el = machines; el; el = el->next) {
1510 MachineClass *mc = el->data;
1511 MachineInfoList *entry;
1512 MachineInfo *info;
1513
1514 info = g_malloc0(sizeof(*info));
1515 if (mc->is_default) {
1516 info->has_is_default = true;
1517 info->is_default = true;
1518 }
1519
1520 if (mc->alias) {
1521 info->has_alias = true;
1522 info->alias = g_strdup(mc->alias);
1523 }
1524
1525 info->name = g_strdup(mc->name);
1526 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1527 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 g_slist_free(machines);
1536 return mach_list;
1537 }
1538
1539 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1540 {
1541 ObjectProperty *prop;
1542 ObjectPropertyIterator iter;
1543
1544 if (!qemu_opt_has_help_opt(opts)) {
1545 return 0;
1546 }
1547
1548 object_property_iter_init(&iter, OBJECT(machine));
1549 while ((prop = object_property_iter_next(&iter))) {
1550 if (!prop->set) {
1551 continue;
1552 }
1553
1554 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1555 prop->name, prop->type);
1556 if (prop->description) {
1557 error_printf(" (%s)\n", prop->description);
1558 } else {
1559 error_printf("\n");
1560 }
1561 }
1562
1563 return 1;
1564 }
1565
1566 /***********************************************************/
1567 /* main execution loop */
1568
1569 struct vm_change_state_entry {
1570 VMChangeStateHandler *cb;
1571 void *opaque;
1572 QLIST_ENTRY (vm_change_state_entry) entries;
1573 };
1574
1575 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1576
1577 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1578 void *opaque)
1579 {
1580 VMChangeStateEntry *e;
1581
1582 e = g_malloc0(sizeof (*e));
1583
1584 e->cb = cb;
1585 e->opaque = opaque;
1586 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1587 return e;
1588 }
1589
1590 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1591 {
1592 QLIST_REMOVE (e, entries);
1593 g_free (e);
1594 }
1595
1596 void vm_state_notify(int running, RunState state)
1597 {
1598 VMChangeStateEntry *e, *next;
1599
1600 trace_vm_state_notify(running, state);
1601
1602 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1603 e->cb(e->opaque, running, state);
1604 }
1605 }
1606
1607 /* reset/shutdown handler */
1608
1609 typedef struct QEMUResetEntry {
1610 QTAILQ_ENTRY(QEMUResetEntry) entry;
1611 QEMUResetHandler *func;
1612 void *opaque;
1613 } QEMUResetEntry;
1614
1615 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1616 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1617 static int reset_requested;
1618 static int shutdown_requested, shutdown_signal = -1;
1619 static pid_t shutdown_pid;
1620 static int powerdown_requested;
1621 static int debug_requested;
1622 static int suspend_requested;
1623 static WakeupReason wakeup_reason;
1624 static NotifierList powerdown_notifiers =
1625 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1626 static NotifierList suspend_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1628 static NotifierList wakeup_notifiers =
1629 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1630 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1631
1632 int qemu_shutdown_requested_get(void)
1633 {
1634 return shutdown_requested;
1635 }
1636
1637 int qemu_reset_requested_get(void)
1638 {
1639 return reset_requested;
1640 }
1641
1642 static int qemu_shutdown_requested(void)
1643 {
1644 return atomic_xchg(&shutdown_requested, 0);
1645 }
1646
1647 static void qemu_kill_report(void)
1648 {
1649 if (!qtest_driver() && shutdown_signal != -1) {
1650 if (shutdown_pid == 0) {
1651 /* This happens for eg ^C at the terminal, so it's worth
1652 * avoiding printing an odd message in that case.
1653 */
1654 error_report("terminating on signal %d", shutdown_signal);
1655 } else {
1656 error_report("terminating on signal %d from pid " FMT_pid,
1657 shutdown_signal, shutdown_pid);
1658 }
1659 shutdown_signal = -1;
1660 }
1661 }
1662
1663 static int qemu_reset_requested(void)
1664 {
1665 int r = reset_requested;
1666 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1667 reset_requested = 0;
1668 return r;
1669 }
1670 return false;
1671 }
1672
1673 static int qemu_suspend_requested(void)
1674 {
1675 int r = suspend_requested;
1676 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1677 suspend_requested = 0;
1678 return r;
1679 }
1680 return false;
1681 }
1682
1683 static WakeupReason qemu_wakeup_requested(void)
1684 {
1685 return wakeup_reason;
1686 }
1687
1688 static int qemu_powerdown_requested(void)
1689 {
1690 int r = powerdown_requested;
1691 powerdown_requested = 0;
1692 return r;
1693 }
1694
1695 static int qemu_debug_requested(void)
1696 {
1697 int r = debug_requested;
1698 debug_requested = 0;
1699 return r;
1700 }
1701
1702 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1703 {
1704 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1705
1706 re->func = func;
1707 re->opaque = opaque;
1708 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1709 }
1710
1711 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1712 {
1713 QEMUResetEntry *re;
1714
1715 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1716 if (re->func == func && re->opaque == opaque) {
1717 QTAILQ_REMOVE(&reset_handlers, re, entry);
1718 g_free(re);
1719 return;
1720 }
1721 }
1722 }
1723
1724 void qemu_devices_reset(void)
1725 {
1726 QEMUResetEntry *re, *nre;
1727
1728 /* reset all devices */
1729 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1730 re->func(re->opaque);
1731 }
1732 }
1733
1734 void qemu_system_reset(bool report)
1735 {
1736 MachineClass *mc;
1737
1738 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1739
1740 cpu_synchronize_all_states();
1741
1742 if (mc && mc->reset) {
1743 mc->reset();
1744 } else {
1745 qemu_devices_reset();
1746 }
1747 if (report) {
1748 qapi_event_send_reset(&error_abort);
1749 }
1750 cpu_synchronize_all_post_reset();
1751 }
1752
1753 void qemu_system_guest_panicked(void)
1754 {
1755 if (current_cpu) {
1756 current_cpu->crash_occurred = true;
1757 }
1758 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1759 vm_stop(RUN_STATE_GUEST_PANICKED);
1760 }
1761
1762 void qemu_system_reset_request(void)
1763 {
1764 if (no_reboot) {
1765 shutdown_requested = 1;
1766 } else {
1767 reset_requested = 1;
1768 }
1769 cpu_stop_current();
1770 qemu_notify_event();
1771 }
1772
1773 static void qemu_system_suspend(void)
1774 {
1775 pause_all_vcpus();
1776 notifier_list_notify(&suspend_notifiers, NULL);
1777 runstate_set(RUN_STATE_SUSPENDED);
1778 qapi_event_send_suspend(&error_abort);
1779 }
1780
1781 void qemu_system_suspend_request(void)
1782 {
1783 if (runstate_check(RUN_STATE_SUSPENDED)) {
1784 return;
1785 }
1786 suspend_requested = 1;
1787 cpu_stop_current();
1788 qemu_notify_event();
1789 }
1790
1791 void qemu_register_suspend_notifier(Notifier *notifier)
1792 {
1793 notifier_list_add(&suspend_notifiers, notifier);
1794 }
1795
1796 void qemu_system_wakeup_request(WakeupReason reason)
1797 {
1798 trace_system_wakeup_request(reason);
1799
1800 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1801 return;
1802 }
1803 if (!(wakeup_reason_mask & (1 << reason))) {
1804 return;
1805 }
1806 runstate_set(RUN_STATE_RUNNING);
1807 wakeup_reason = reason;
1808 qemu_notify_event();
1809 }
1810
1811 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1812 {
1813 if (enabled) {
1814 wakeup_reason_mask |= (1 << reason);
1815 } else {
1816 wakeup_reason_mask &= ~(1 << reason);
1817 }
1818 }
1819
1820 void qemu_register_wakeup_notifier(Notifier *notifier)
1821 {
1822 notifier_list_add(&wakeup_notifiers, notifier);
1823 }
1824
1825 void qemu_system_killed(int signal, pid_t pid)
1826 {
1827 shutdown_signal = signal;
1828 shutdown_pid = pid;
1829 no_shutdown = 0;
1830
1831 /* Cannot call qemu_system_shutdown_request directly because
1832 * we are in a signal handler.
1833 */
1834 shutdown_requested = 1;
1835 qemu_notify_event();
1836 }
1837
1838 void qemu_system_shutdown_request(void)
1839 {
1840 trace_qemu_system_shutdown_request();
1841 replay_shutdown_request();
1842 shutdown_requested = 1;
1843 qemu_notify_event();
1844 }
1845
1846 static void qemu_system_powerdown(void)
1847 {
1848 qapi_event_send_powerdown(&error_abort);
1849 notifier_list_notify(&powerdown_notifiers, NULL);
1850 }
1851
1852 void qemu_system_powerdown_request(void)
1853 {
1854 trace_qemu_system_powerdown_request();
1855 powerdown_requested = 1;
1856 qemu_notify_event();
1857 }
1858
1859 void qemu_register_powerdown_notifier(Notifier *notifier)
1860 {
1861 notifier_list_add(&powerdown_notifiers, notifier);
1862 }
1863
1864 void qemu_system_debug_request(void)
1865 {
1866 debug_requested = 1;
1867 qemu_notify_event();
1868 }
1869
1870 static bool main_loop_should_exit(void)
1871 {
1872 RunState r;
1873 if (qemu_debug_requested()) {
1874 vm_stop(RUN_STATE_DEBUG);
1875 }
1876 if (qemu_suspend_requested()) {
1877 qemu_system_suspend();
1878 }
1879 if (qemu_shutdown_requested()) {
1880 qemu_kill_report();
1881 qapi_event_send_shutdown(&error_abort);
1882 if (no_shutdown) {
1883 vm_stop(RUN_STATE_SHUTDOWN);
1884 } else {
1885 return true;
1886 }
1887 }
1888 if (qemu_reset_requested()) {
1889 pause_all_vcpus();
1890 qemu_system_reset(VMRESET_REPORT);
1891 resume_all_vcpus();
1892 if (!runstate_check(RUN_STATE_RUNNING) &&
1893 !runstate_check(RUN_STATE_INMIGRATE)) {
1894 runstate_set(RUN_STATE_PRELAUNCH);
1895 }
1896 }
1897 if (qemu_wakeup_requested()) {
1898 pause_all_vcpus();
1899 qemu_system_reset(VMRESET_SILENT);
1900 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1901 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1902 resume_all_vcpus();
1903 qapi_event_send_wakeup(&error_abort);
1904 }
1905 if (qemu_powerdown_requested()) {
1906 qemu_system_powerdown();
1907 }
1908 if (qemu_vmstop_requested(&r)) {
1909 vm_stop(r);
1910 }
1911 return false;
1912 }
1913
1914 static void main_loop(void)
1915 {
1916 bool nonblocking;
1917 int last_io = 0;
1918 #ifdef CONFIG_PROFILER
1919 int64_t ti;
1920 #endif
1921 do {
1922 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1923 #ifdef CONFIG_PROFILER
1924 ti = profile_getclock();
1925 #endif
1926 last_io = main_loop_wait(nonblocking);
1927 #ifdef CONFIG_PROFILER
1928 dev_time += profile_getclock() - ti;
1929 #endif
1930 } while (!main_loop_should_exit());
1931 }
1932
1933 static void version(void)
1934 {
1935 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1936 }
1937
1938 static void help(int exitcode)
1939 {
1940 version();
1941 printf("usage: %s [options] [disk_image]\n\n"
1942 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1943 error_get_progname());
1944
1945 #define QEMU_OPTIONS_GENERATE_HELP
1946 #include "qemu-options-wrapper.h"
1947
1948 printf("\nDuring emulation, the following keys are useful:\n"
1949 "ctrl-alt-f toggle full screen\n"
1950 "ctrl-alt-n switch to virtual console 'n'\n"
1951 "ctrl-alt toggle mouse and keyboard grab\n"
1952 "\n"
1953 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1954
1955 exit(exitcode);
1956 }
1957
1958 #define HAS_ARG 0x0001
1959
1960 typedef struct QEMUOption {
1961 const char *name;
1962 int flags;
1963 int index;
1964 uint32_t arch_mask;
1965 } QEMUOption;
1966
1967 static const QEMUOption qemu_options[] = {
1968 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1969 #define QEMU_OPTIONS_GENERATE_OPTIONS
1970 #include "qemu-options-wrapper.h"
1971 { NULL },
1972 };
1973
1974 typedef struct VGAInterfaceInfo {
1975 const char *opt_name; /* option name */
1976 const char *name; /* human-readable name */
1977 /* Class names indicating that support is available.
1978 * If no class is specified, the interface is always available */
1979 const char *class_names[2];
1980 } VGAInterfaceInfo;
1981
1982 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1983 [VGA_NONE] = {
1984 .opt_name = "none",
1985 },
1986 [VGA_STD] = {
1987 .opt_name = "std",
1988 .name = "standard VGA",
1989 .class_names = { "VGA", "isa-vga" },
1990 },
1991 [VGA_CIRRUS] = {
1992 .opt_name = "cirrus",
1993 .name = "Cirrus VGA",
1994 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1995 },
1996 [VGA_VMWARE] = {
1997 .opt_name = "vmware",
1998 .name = "VMWare SVGA",
1999 .class_names = { "vmware-svga" },
2000 },
2001 [VGA_VIRTIO] = {
2002 .opt_name = "virtio",
2003 .name = "Virtio VGA",
2004 .class_names = { "virtio-vga" },
2005 },
2006 [VGA_QXL] = {
2007 .opt_name = "qxl",
2008 .name = "QXL VGA",
2009 .class_names = { "qxl-vga" },
2010 },
2011 [VGA_TCX] = {
2012 .opt_name = "tcx",
2013 .name = "TCX framebuffer",
2014 .class_names = { "SUNW,tcx" },
2015 },
2016 [VGA_CG3] = {
2017 .opt_name = "cg3",
2018 .name = "CG3 framebuffer",
2019 .class_names = { "cgthree" },
2020 },
2021 [VGA_XENFB] = {
2022 .opt_name = "xenfb",
2023 },
2024 };
2025
2026 static bool vga_interface_available(VGAInterfaceType t)
2027 {
2028 VGAInterfaceInfo *ti = &vga_interfaces[t];
2029
2030 assert(t < VGA_TYPE_MAX);
2031 return !ti->class_names[0] ||
2032 object_class_by_name(ti->class_names[0]) ||
2033 object_class_by_name(ti->class_names[1]);
2034 }
2035
2036 static void select_vgahw(const char *p)
2037 {
2038 const char *opts;
2039 int t;
2040
2041 assert(vga_interface_type == VGA_NONE);
2042 for (t = 0; t < VGA_TYPE_MAX; t++) {
2043 VGAInterfaceInfo *ti = &vga_interfaces[t];
2044 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2045 if (!vga_interface_available(t)) {
2046 error_report("%s not available", ti->name);
2047 exit(1);
2048 }
2049 vga_interface_type = t;
2050 break;
2051 }
2052 }
2053 if (t == VGA_TYPE_MAX) {
2054 invalid_vga:
2055 error_report("unknown vga type: %s", p);
2056 exit(1);
2057 }
2058 while (*opts) {
2059 const char *nextopt;
2060
2061 if (strstart(opts, ",retrace=", &nextopt)) {
2062 opts = nextopt;
2063 if (strstart(opts, "dumb", &nextopt))
2064 vga_retrace_method = VGA_RETRACE_DUMB;
2065 else if (strstart(opts, "precise", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_PRECISE;
2067 else goto invalid_vga;
2068 } else goto invalid_vga;
2069 opts = nextopt;
2070 }
2071 }
2072
2073 typedef enum DisplayType {
2074 DT_DEFAULT,
2075 DT_CURSES,
2076 DT_SDL,
2077 DT_COCOA,
2078 DT_GTK,
2079 DT_NONE,
2080 } DisplayType;
2081
2082 static DisplayType select_display(const char *p)
2083 {
2084 const char *opts;
2085 DisplayType display = DT_DEFAULT;
2086
2087 if (strstart(p, "sdl", &opts)) {
2088 #ifdef CONFIG_SDL
2089 display = DT_SDL;
2090 while (*opts) {
2091 const char *nextopt;
2092
2093 if (strstart(opts, ",frame=", &nextopt)) {
2094 opts = nextopt;
2095 if (strstart(opts, "on", &nextopt)) {
2096 no_frame = 0;
2097 } else if (strstart(opts, "off", &nextopt)) {
2098 no_frame = 1;
2099 } else {
2100 goto invalid_sdl_args;
2101 }
2102 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2103 opts = nextopt;
2104 if (strstart(opts, "on", &nextopt)) {
2105 alt_grab = 1;
2106 } else if (strstart(opts, "off", &nextopt)) {
2107 alt_grab = 0;
2108 } else {
2109 goto invalid_sdl_args;
2110 }
2111 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2112 opts = nextopt;
2113 if (strstart(opts, "on", &nextopt)) {
2114 ctrl_grab = 1;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 ctrl_grab = 0;
2117 } else {
2118 goto invalid_sdl_args;
2119 }
2120 } else if (strstart(opts, ",window_close=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 no_quit = 0;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 no_quit = 1;
2126 } else {
2127 goto invalid_sdl_args;
2128 }
2129 } else if (strstart(opts, ",gl=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "on", &nextopt)) {
2132 request_opengl = 1;
2133 } else if (strstart(opts, "off", &nextopt)) {
2134 request_opengl = 0;
2135 } else {
2136 goto invalid_sdl_args;
2137 }
2138 } else {
2139 invalid_sdl_args:
2140 error_report("invalid SDL option string");
2141 exit(1);
2142 }
2143 opts = nextopt;
2144 }
2145 #else
2146 error_report("SDL support is disabled");
2147 exit(1);
2148 #endif
2149 } else if (strstart(p, "vnc", &opts)) {
2150 if (*opts == '=') {
2151 vnc_parse(opts + 1, &error_fatal);
2152 } else {
2153 error_report("VNC requires a display argument vnc=<display>");
2154 exit(1);
2155 }
2156 } else if (strstart(p, "curses", &opts)) {
2157 #ifdef CONFIG_CURSES
2158 display = DT_CURSES;
2159 #else
2160 error_report("curses support is disabled");
2161 exit(1);
2162 #endif
2163 } else if (strstart(p, "gtk", &opts)) {
2164 #ifdef CONFIG_GTK
2165 display = DT_GTK;
2166 while (*opts) {
2167 const char *nextopt;
2168
2169 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 grab_on_hover = true;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 grab_on_hover = false;
2175 } else {
2176 goto invalid_gtk_args;
2177 }
2178 } else if (strstart(opts, ",gl=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 request_opengl = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 request_opengl = 0;
2184 } else {
2185 goto invalid_gtk_args;
2186 }
2187 } else {
2188 invalid_gtk_args:
2189 error_report("invalid GTK option string");
2190 exit(1);
2191 }
2192 opts = nextopt;
2193 }
2194 #else
2195 error_report("GTK support is disabled");
2196 exit(1);
2197 #endif
2198 } else if (strstart(p, "none", &opts)) {
2199 display = DT_NONE;
2200 } else {
2201 error_report("unknown display type");
2202 exit(1);
2203 }
2204
2205 return display;
2206 }
2207
2208 static int balloon_parse(const char *arg)
2209 {
2210 QemuOpts *opts;
2211
2212 if (strcmp(arg, "none") == 0) {
2213 return 0;
2214 }
2215
2216 if (!strncmp(arg, "virtio", 6)) {
2217 if (arg[6] == ',') {
2218 /* have params -> parse them */
2219 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2220 false);
2221 if (!opts)
2222 return -1;
2223 } else {
2224 /* create empty opts */
2225 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2226 &error_abort);
2227 }
2228 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2229 return 0;
2230 }
2231
2232 return -1;
2233 }
2234
2235 char *qemu_find_file(int type, const char *name)
2236 {
2237 int i;
2238 const char *subdir;
2239 char *buf;
2240
2241 /* Try the name as a straight path first */
2242 if (access(name, R_OK) == 0) {
2243 trace_load_file(name, name);
2244 return g_strdup(name);
2245 }
2246
2247 switch (type) {
2248 case QEMU_FILE_TYPE_BIOS:
2249 subdir = "";
2250 break;
2251 case QEMU_FILE_TYPE_KEYMAP:
2252 subdir = "keymaps/";
2253 break;
2254 default:
2255 abort();
2256 }
2257
2258 for (i = 0; i < data_dir_idx; i++) {
2259 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2260 if (access(buf, R_OK) == 0) {
2261 trace_load_file(name, buf);
2262 return buf;
2263 }
2264 g_free(buf);
2265 }
2266 return NULL;
2267 }
2268
2269 static inline bool nonempty_str(const char *str)
2270 {
2271 return str && *str;
2272 }
2273
2274 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2275 {
2276 gchar *buf;
2277 size_t size;
2278 const char *name, *file, *str;
2279 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2280
2281 if (fw_cfg == NULL) {
2282 error_report("fw_cfg device not available");
2283 return -1;
2284 }
2285 name = qemu_opt_get(opts, "name");
2286 file = qemu_opt_get(opts, "file");
2287 str = qemu_opt_get(opts, "string");
2288
2289 /* we need name and either a file or the content string */
2290 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2291 error_report("invalid argument(s)");
2292 return -1;
2293 }
2294 if (nonempty_str(file) && nonempty_str(str)) {
2295 error_report("file and string are mutually exclusive");
2296 return -1;
2297 }
2298 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2299 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2300 return -1;
2301 }
2302 if (strncmp(name, "opt/", 4) != 0) {
2303 error_report("warning: externally provided fw_cfg item names "
2304 "should be prefixed with \"opt/\"");
2305 }
2306 if (nonempty_str(str)) {
2307 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2308 buf = g_memdup(str, size);
2309 } else {
2310 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2311 error_report("can't load %s", file);
2312 return -1;
2313 }
2314 }
2315 /* For legacy, keep user files in a specific global order. */
2316 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2317 fw_cfg_add_file(fw_cfg, name, buf, size);
2318 fw_cfg_reset_order_override(fw_cfg);
2319 return 0;
2320 }
2321
2322 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 return qdev_device_help(opts);
2325 }
2326
2327 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2328 {
2329 Error *err = NULL;
2330 DeviceState *dev;
2331
2332 dev = qdev_device_add(opts, &err);
2333 if (!dev) {
2334 error_report_err(err);
2335 return -1;
2336 }
2337 object_unref(OBJECT(dev));
2338 return 0;
2339 }
2340
2341 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2342 {
2343 Error *local_err = NULL;
2344
2345 qemu_chr_new_from_opts(opts, NULL, &local_err);
2346 if (local_err) {
2347 error_report_err(local_err);
2348 return -1;
2349 }
2350 return 0;
2351 }
2352
2353 #ifdef CONFIG_VIRTFS
2354 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2355 {
2356 return qemu_fsdev_add(opts);
2357 }
2358 #endif
2359
2360 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2361 {
2362 CharDriverState *chr;
2363 const char *chardev;
2364 const char *mode;
2365 int flags;
2366
2367 mode = qemu_opt_get(opts, "mode");
2368 if (mode == NULL) {
2369 mode = "readline";
2370 }
2371 if (strcmp(mode, "readline") == 0) {
2372 flags = MONITOR_USE_READLINE;
2373 } else if (strcmp(mode, "control") == 0) {
2374 flags = MONITOR_USE_CONTROL;
2375 } else {
2376 error_report("unknown monitor mode \"%s\"", mode);
2377 exit(1);
2378 }
2379
2380 if (qemu_opt_get_bool(opts, "pretty", 0))
2381 flags |= MONITOR_USE_PRETTY;
2382
2383 if (qemu_opt_get_bool(opts, "default", 0))
2384 flags |= MONITOR_IS_DEFAULT;
2385
2386 chardev = qemu_opt_get(opts, "chardev");
2387 chr = qemu_chr_find(chardev);
2388 if (chr == NULL) {
2389 error_report("chardev \"%s\" not found", chardev);
2390 exit(1);
2391 }
2392
2393 qemu_chr_fe_claim_no_fail(chr);
2394 monitor_init(chr, flags);
2395 return 0;
2396 }
2397
2398 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2399 {
2400 static int monitor_device_index = 0;
2401 QemuOpts *opts;
2402 const char *p;
2403 char label[32];
2404 int def = 0;
2405
2406 if (strstart(optarg, "chardev:", &p)) {
2407 snprintf(label, sizeof(label), "%s", p);
2408 } else {
2409 snprintf(label, sizeof(label), "compat_monitor%d",
2410 monitor_device_index);
2411 if (monitor_device_index == 0) {
2412 def = 1;
2413 }
2414 opts = qemu_chr_parse_compat(label, optarg);
2415 if (!opts) {
2416 error_report("parse error: %s", optarg);
2417 exit(1);
2418 }
2419 }
2420
2421 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2422 qemu_opt_set(opts, "mode", mode, &error_abort);
2423 qemu_opt_set(opts, "chardev", label, &error_abort);
2424 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2425 if (def)
2426 qemu_opt_set(opts, "default", "on", &error_abort);
2427 monitor_device_index++;
2428 }
2429
2430 struct device_config {
2431 enum {
2432 DEV_USB, /* -usbdevice */
2433 DEV_BT, /* -bt */
2434 DEV_SERIAL, /* -serial */
2435 DEV_PARALLEL, /* -parallel */
2436 DEV_VIRTCON, /* -virtioconsole */
2437 DEV_DEBUGCON, /* -debugcon */
2438 DEV_GDB, /* -gdb, -s */
2439 DEV_SCLP, /* s390 sclp */
2440 } type;
2441 const char *cmdline;
2442 Location loc;
2443 QTAILQ_ENTRY(device_config) next;
2444 };
2445
2446 static QTAILQ_HEAD(, device_config) device_configs =
2447 QTAILQ_HEAD_INITIALIZER(device_configs);
2448
2449 static void add_device_config(int type, const char *cmdline)
2450 {
2451 struct device_config *conf;
2452
2453 conf = g_malloc0(sizeof(*conf));
2454 conf->type = type;
2455 conf->cmdline = cmdline;
2456 loc_save(&conf->loc);
2457 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2458 }
2459
2460 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2461 {
2462 struct device_config *conf;
2463 int rc;
2464
2465 QTAILQ_FOREACH(conf, &device_configs, next) {
2466 if (conf->type != type)
2467 continue;
2468 loc_push_restore(&conf->loc);
2469 rc = func(conf->cmdline);
2470 loc_pop(&conf->loc);
2471 if (rc) {
2472 return rc;
2473 }
2474 }
2475 return 0;
2476 }
2477
2478 static int serial_parse(const char *devname)
2479 {
2480 static int index = 0;
2481 char label[32];
2482
2483 if (strcmp(devname, "none") == 0)
2484 return 0;
2485 if (index == MAX_SERIAL_PORTS) {
2486 error_report("too many serial ports");
2487 exit(1);
2488 }
2489 snprintf(label, sizeof(label), "serial%d", index);
2490 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2491 if (!serial_hds[index]) {
2492 error_report("could not connect serial device"
2493 " to character backend '%s'", devname);
2494 return -1;
2495 }
2496 index++;
2497 return 0;
2498 }
2499
2500 static int parallel_parse(const char *devname)
2501 {
2502 static int index = 0;
2503 char label[32];
2504
2505 if (strcmp(devname, "none") == 0)
2506 return 0;
2507 if (index == MAX_PARALLEL_PORTS) {
2508 error_report("too many parallel ports");
2509 exit(1);
2510 }
2511 snprintf(label, sizeof(label), "parallel%d", index);
2512 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2513 if (!parallel_hds[index]) {
2514 error_report("could not connect parallel device"
2515 " to character backend '%s'", devname);
2516 return -1;
2517 }
2518 index++;
2519 return 0;
2520 }
2521
2522 static int virtcon_parse(const char *devname)
2523 {
2524 QemuOptsList *device = qemu_find_opts("device");
2525 static int index = 0;
2526 char label[32];
2527 QemuOpts *bus_opts, *dev_opts;
2528
2529 if (strcmp(devname, "none") == 0)
2530 return 0;
2531 if (index == MAX_VIRTIO_CONSOLES) {
2532 error_report("too many virtio consoles");
2533 exit(1);
2534 }
2535
2536 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2537 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2538
2539 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2540 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2541
2542 snprintf(label, sizeof(label), "virtcon%d", index);
2543 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2544 if (!virtcon_hds[index]) {
2545 error_report("could not connect virtio console"
2546 " to character backend '%s'", devname);
2547 return -1;
2548 }
2549 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2550
2551 index++;
2552 return 0;
2553 }
2554
2555 static int sclp_parse(const char *devname)
2556 {
2557 QemuOptsList *device = qemu_find_opts("device");
2558 static int index = 0;
2559 char label[32];
2560 QemuOpts *dev_opts;
2561
2562 if (strcmp(devname, "none") == 0) {
2563 return 0;
2564 }
2565 if (index == MAX_SCLP_CONSOLES) {
2566 error_report("too many sclp consoles");
2567 exit(1);
2568 }
2569
2570 assert(arch_type == QEMU_ARCH_S390X);
2571
2572 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2573 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2574
2575 snprintf(label, sizeof(label), "sclpcon%d", index);
2576 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2577 if (!sclp_hds[index]) {
2578 error_report("could not connect sclp console"
2579 " to character backend '%s'", devname);
2580 return -1;
2581 }
2582 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2583
2584 index++;
2585 return 0;
2586 }
2587
2588 static int debugcon_parse(const char *devname)
2589 {
2590 QemuOpts *opts;
2591
2592 if (!qemu_chr_new("debugcon", devname, NULL)) {
2593 exit(1);
2594 }
2595 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2596 if (!opts) {
2597 error_report("already have a debugcon device");
2598 exit(1);
2599 }
2600 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2601 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2602 return 0;
2603 }
2604
2605 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2606 {
2607 const MachineClass *mc1 = a, *mc2 = b;
2608 int res;
2609
2610 if (mc1->family == NULL) {
2611 if (mc2->family == NULL) {
2612 /* Compare standalone machine types against each other; they sort
2613 * in increasing order.
2614 */
2615 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2616 object_class_get_name(OBJECT_CLASS(mc2)));
2617 }
2618
2619 /* Standalone machine types sort after families. */
2620 return 1;
2621 }
2622
2623 if (mc2->family == NULL) {
2624 /* Families sort before standalone machine types. */
2625 return -1;
2626 }
2627
2628 /* Families sort between each other alphabetically increasingly. */
2629 res = strcmp(mc1->family, mc2->family);
2630 if (res != 0) {
2631 return res;
2632 }
2633
2634 /* Within the same family, machine types sort in decreasing order. */
2635 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2636 object_class_get_name(OBJECT_CLASS(mc1)));
2637 }
2638
2639 static MachineClass *machine_parse(const char *name)
2640 {
2641 MachineClass *mc = NULL;
2642 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2643
2644 if (name) {
2645 mc = find_machine(name);
2646 }
2647 if (mc) {
2648 g_slist_free(machines);
2649 return mc;
2650 }
2651 if (name && !is_help_option(name)) {
2652 error_report("unsupported machine type");
2653 error_printf("Use -machine help to list supported machines\n");
2654 } else {
2655 printf("Supported machines are:\n");
2656 machines = g_slist_sort(machines, machine_class_cmp);
2657 for (el = machines; el; el = el->next) {
2658 MachineClass *mc = el->data;
2659 if (mc->alias) {
2660 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2661 }
2662 printf("%-20s %s%s\n", mc->name, mc->desc,
2663 mc->is_default ? " (default)" : "");
2664 }
2665 }
2666
2667 g_slist_free(machines);
2668 exit(!name || !is_help_option(name));
2669 }
2670
2671 void qemu_add_exit_notifier(Notifier *notify)
2672 {
2673 notifier_list_add(&exit_notifiers, notify);
2674 }
2675
2676 void qemu_remove_exit_notifier(Notifier *notify)
2677 {
2678 notifier_remove(notify);
2679 }
2680
2681 static void qemu_run_exit_notifiers(void)
2682 {
2683 notifier_list_notify(&exit_notifiers, NULL);
2684 }
2685
2686 static bool machine_init_done;
2687
2688 void qemu_add_machine_init_done_notifier(Notifier *notify)
2689 {
2690 notifier_list_add(&machine_init_done_notifiers, notify);
2691 if (machine_init_done) {
2692 notify->notify(notify, NULL);
2693 }
2694 }
2695
2696 static void qemu_run_machine_init_done_notifiers(void)
2697 {
2698 notifier_list_notify(&machine_init_done_notifiers, NULL);
2699 machine_init_done = true;
2700 }
2701
2702 static const QEMUOption *lookup_opt(int argc, char **argv,
2703 const char **poptarg, int *poptind)
2704 {
2705 const QEMUOption *popt;
2706 int optind = *poptind;
2707 char *r = argv[optind];
2708 const char *optarg;
2709
2710 loc_set_cmdline(argv, optind, 1);
2711 optind++;
2712 /* Treat --foo the same as -foo. */
2713 if (r[1] == '-')
2714 r++;
2715 popt = qemu_options;
2716 for(;;) {
2717 if (!popt->name) {
2718 error_report("invalid option");
2719 exit(1);
2720 }
2721 if (!strcmp(popt->name, r + 1))
2722 break;
2723 popt++;
2724 }
2725 if (popt->flags & HAS_ARG) {
2726 if (optind >= argc) {
2727 error_report("requires an argument");
2728 exit(1);
2729 }
2730 optarg = argv[optind++];
2731 loc_set_cmdline(argv, optind - 2, 2);
2732 } else {
2733 optarg = NULL;
2734 }
2735
2736 *poptarg = optarg;
2737 *poptind = optind;
2738
2739 return popt;
2740 }
2741
2742 static MachineClass *select_machine(void)
2743 {
2744 MachineClass *machine_class = find_default_machine();
2745 const char *optarg;
2746 QemuOpts *opts;
2747 Location loc;
2748
2749 loc_push_none(&loc);
2750
2751 opts = qemu_get_machine_opts();
2752 qemu_opts_loc_restore(opts);
2753
2754 optarg = qemu_opt_get(opts, "type");
2755 if (optarg) {
2756 machine_class = machine_parse(optarg);
2757 }
2758
2759 if (!machine_class) {
2760 error_report("No machine specified, and there is no default");
2761 error_printf("Use -machine help to list supported machines\n");
2762 exit(1);
2763 }
2764
2765 loc_pop(&loc);
2766 return machine_class;
2767 }
2768
2769 static int machine_set_property(void *opaque,
2770 const char *name, const char *value,
2771 Error **errp)
2772 {
2773 Object *obj = OBJECT(opaque);
2774 Error *local_err = NULL;
2775 char *c, *qom_name;
2776
2777 if (strcmp(name, "type") == 0) {
2778 return 0;
2779 }
2780
2781 qom_name = g_strdup(name);
2782 c = qom_name;
2783 while (*c++) {
2784 if (*c == '_') {
2785 *c = '-';
2786 }
2787 }
2788
2789 object_property_parse(obj, value, qom_name, &local_err);
2790 g_free(qom_name);
2791
2792 if (local_err) {
2793 error_report_err(local_err);
2794 return -1;
2795 }
2796
2797 return 0;
2798 }
2799
2800
2801 /*
2802 * Initial object creation happens before all other
2803 * QEMU data types are created. The majority of objects
2804 * can be created at this point. The rng-egd object
2805 * cannot be created here, as it depends on the chardev
2806 * already existing.
2807 */
2808 static bool object_create_initial(const char *type)
2809 {
2810 if (g_str_equal(type, "rng-egd")) {
2811 return false;
2812 }
2813
2814 /*
2815 * return false for concrete netfilters since
2816 * they depend on netdevs already existing
2817 */
2818 if (g_str_equal(type, "filter-buffer") ||
2819 g_str_equal(type, "filter-dump") ||
2820 g_str_equal(type, "filter-mirror") ||
2821 g_str_equal(type, "filter-redirector")) {
2822 return false;
2823 }
2824
2825 return true;
2826 }
2827
2828
2829 /*
2830 * The remainder of object creation happens after the
2831 * creation of chardev, fsdev, net clients and device data types.
2832 */
2833 static bool object_create_delayed(const char *type)
2834 {
2835 return !object_create_initial(type);
2836 }
2837
2838
2839 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2840 MachineClass *mc)
2841 {
2842 uint64_t sz;
2843 const char *mem_str;
2844 const char *maxmem_str, *slots_str;
2845 const ram_addr_t default_ram_size = mc->default_ram_size;
2846 QemuOpts *opts = qemu_find_opts_singleton("memory");
2847 Location loc;
2848
2849 loc_push_none(&loc);
2850 qemu_opts_loc_restore(opts);
2851
2852 sz = 0;
2853 mem_str = qemu_opt_get(opts, "size");
2854 if (mem_str) {
2855 if (!*mem_str) {
2856 error_report("missing 'size' option value");
2857 exit(EXIT_FAILURE);
2858 }
2859
2860 sz = qemu_opt_get_size(opts, "size", ram_size);
2861
2862 /* Fix up legacy suffix-less format */
2863 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2864 uint64_t overflow_check = sz;
2865
2866 sz <<= 20;
2867 if ((sz >> 20) != overflow_check) {
2868 error_report("too large 'size' option value");
2869 exit(EXIT_FAILURE);
2870 }
2871 }
2872 }
2873
2874 /* backward compatibility behaviour for case "-m 0" */
2875 if (sz == 0) {
2876 sz = default_ram_size;
2877 }
2878
2879 sz = QEMU_ALIGN_UP(sz, 8192);
2880 ram_size = sz;
2881 if (ram_size != sz) {
2882 error_report("ram size too large");
2883 exit(EXIT_FAILURE);
2884 }
2885
2886 /* store value for the future use */
2887 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2888 *maxram_size = ram_size;
2889
2890 maxmem_str = qemu_opt_get(opts, "maxmem");
2891 slots_str = qemu_opt_get(opts, "slots");
2892 if (maxmem_str && slots_str) {
2893 uint64_t slots;
2894
2895 sz = qemu_opt_get_size(opts, "maxmem", 0);
2896 slots = qemu_opt_get_number(opts, "slots", 0);
2897 if (sz < ram_size) {
2898 error_report("invalid value of -m option maxmem: "
2899 "maximum memory size (0x%" PRIx64 ") must be at least "
2900 "the initial memory size (0x" RAM_ADDR_FMT ")",
2901 sz, ram_size);
2902 exit(EXIT_FAILURE);
2903 } else if (sz > ram_size) {
2904 if (!slots) {
2905 error_report("invalid value of -m option: maxmem was "
2906 "specified, but no hotplug slots were specified");
2907 exit(EXIT_FAILURE);
2908 }
2909 } else if (slots) {
2910 error_report("invalid value of -m option maxmem: "
2911 "memory slots were specified but maximum memory size "
2912 "(0x%" PRIx64 ") is equal to the initial memory size "
2913 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2914 exit(EXIT_FAILURE);
2915 }
2916
2917 *maxram_size = sz;
2918 *ram_slots = slots;
2919 } else if ((!maxmem_str && slots_str) ||
2920 (maxmem_str && !slots_str)) {
2921 error_report("invalid -m option value: missing "
2922 "'%s' option", slots_str ? "maxmem" : "slots");
2923 exit(EXIT_FAILURE);
2924 }
2925
2926 loc_pop(&loc);
2927 }
2928
2929 int main(int argc, char **argv, char **envp)
2930 {
2931 int i;
2932 int snapshot, linux_boot;
2933 const char *initrd_filename;
2934 const char *kernel_filename, *kernel_cmdline;
2935 const char *boot_order = NULL;
2936 const char *boot_once = NULL;
2937 DisplayState *ds;
2938 int cyls, heads, secs, translation;
2939 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2940 QemuOptsList *olist;
2941 int optind;
2942 const char *optarg;
2943 const char *loadvm = NULL;
2944 MachineClass *machine_class;
2945 const char *cpu_model;
2946 const char *vga_model = NULL;
2947 const char *qtest_chrdev = NULL;
2948 const char *qtest_log = NULL;
2949 const char *pid_file = NULL;
2950 const char *incoming = NULL;
2951 int show_vnc_port = 0;
2952 bool defconfig = true;
2953 bool userconfig = true;
2954 bool nographic = false;
2955 DisplayType display_type = DT_DEFAULT;
2956 int display_remote = 0;
2957 const char *log_mask = NULL;
2958 const char *log_file = NULL;
2959 char *trace_file = NULL;
2960 ram_addr_t maxram_size;
2961 uint64_t ram_slots = 0;
2962 FILE *vmstate_dump_file = NULL;
2963 Error *main_loop_err = NULL;
2964 Error *err = NULL;
2965 bool list_data_dirs = false;
2966
2967 qemu_init_cpu_loop();
2968 qemu_mutex_lock_iothread();
2969
2970 atexit(qemu_run_exit_notifiers);
2971 error_set_progname(argv[0]);
2972 qemu_init_exec_dir(argv[0]);
2973
2974 module_call_init(MODULE_INIT_QOM);
2975
2976 qemu_add_opts(&qemu_drive_opts);
2977 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2978 qemu_add_drive_opts(&qemu_common_drive_opts);
2979 qemu_add_drive_opts(&qemu_drive_opts);
2980 qemu_add_opts(&qemu_chardev_opts);
2981 qemu_add_opts(&qemu_device_opts);
2982 qemu_add_opts(&qemu_netdev_opts);
2983 qemu_add_opts(&qemu_net_opts);
2984 qemu_add_opts(&qemu_rtc_opts);
2985 qemu_add_opts(&qemu_global_opts);
2986 qemu_add_opts(&qemu_mon_opts);
2987 qemu_add_opts(&qemu_trace_opts);
2988 qemu_add_opts(&qemu_option_rom_opts);
2989 qemu_add_opts(&qemu_machine_opts);
2990 qemu_add_opts(&qemu_mem_opts);
2991 qemu_add_opts(&qemu_smp_opts);
2992 qemu_add_opts(&qemu_boot_opts);
2993 qemu_add_opts(&qemu_sandbox_opts);
2994 qemu_add_opts(&qemu_add_fd_opts);
2995 qemu_add_opts(&qemu_object_opts);
2996 qemu_add_opts(&qemu_tpmdev_opts);
2997 qemu_add_opts(&qemu_realtime_opts);
2998 qemu_add_opts(&qemu_msg_opts);
2999 qemu_add_opts(&qemu_name_opts);
3000 qemu_add_opts(&qemu_numa_opts);
3001 qemu_add_opts(&qemu_icount_opts);
3002 qemu_add_opts(&qemu_semihosting_config_opts);
3003 qemu_add_opts(&qemu_fw_cfg_opts);
3004 module_call_init(MODULE_INIT_OPTS);
3005
3006 runstate_init();
3007
3008 if (qcrypto_init(&err) < 0) {
3009 error_reportf_err(err, "cannot initialize crypto: ");
3010 exit(1);
3011 }
3012 rtc_clock = QEMU_CLOCK_HOST;
3013
3014 QLIST_INIT (&vm_change_state_head);
3015 os_setup_early_signal_handling();
3016
3017 cpu_model = NULL;
3018 snapshot = 0;
3019 cyls = heads = secs = 0;
3020 translation = BIOS_ATA_TRANSLATION_AUTO;
3021
3022 nb_nics = 0;
3023
3024 bdrv_init_with_whitelist();
3025
3026 autostart = 1;
3027
3028 /* first pass of option parsing */
3029 optind = 1;
3030 while (optind < argc) {
3031 if (argv[optind][0] != '-') {
3032 /* disk image */
3033 optind++;
3034 } else {
3035 const QEMUOption *popt;
3036
3037 popt = lookup_opt(argc, argv, &optarg, &optind);
3038 switch (popt->index) {
3039 case QEMU_OPTION_nodefconfig:
3040 defconfig = false;
3041 break;
3042 case QEMU_OPTION_nouserconfig:
3043 userconfig = false;
3044 break;
3045 }
3046 }
3047 }
3048
3049 if (defconfig) {
3050 int ret;
3051 ret = qemu_read_default_config_files(userconfig);
3052 if (ret < 0) {
3053 exit(1);
3054 }
3055 }
3056
3057 /* second pass of option parsing */
3058 optind = 1;
3059 for(;;) {
3060 if (optind >= argc)
3061 break;
3062 if (argv[optind][0] != '-') {
3063 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3064 } else {
3065 const QEMUOption *popt;
3066
3067 popt = lookup_opt(argc, argv, &optarg, &optind);
3068 if (!(popt->arch_mask & arch_type)) {
3069 error_report("Option not supported for this target");
3070 exit(1);
3071 }
3072 switch(popt->index) {
3073 case QEMU_OPTION_no_kvm_irqchip: {
3074 olist = qemu_find_opts("machine");
3075 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3076 break;
3077 }
3078 case QEMU_OPTION_cpu:
3079 /* hw initialization will check this */
3080 cpu_model = optarg;
3081 break;
3082 case QEMU_OPTION_hda:
3083 {
3084 char buf[256];
3085 if (cyls == 0)
3086 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3087 else
3088 snprintf(buf, sizeof(buf),
3089 "%s,cyls=%d,heads=%d,secs=%d%s",
3090 HD_OPTS , cyls, heads, secs,
3091 translation == BIOS_ATA_TRANSLATION_LBA ?
3092 ",trans=lba" :
3093 translation == BIOS_ATA_TRANSLATION_NONE ?
3094 ",trans=none" : "");
3095 drive_add(IF_DEFAULT, 0, optarg, buf);
3096 break;
3097 }
3098 case QEMU_OPTION_hdb:
3099 case QEMU_OPTION_hdc:
3100 case QEMU_OPTION_hdd:
3101 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3102 HD_OPTS);
3103 break;
3104 case QEMU_OPTION_drive:
3105 if (drive_def(optarg) == NULL) {
3106 exit(1);
3107 }
3108 break;
3109 case QEMU_OPTION_set:
3110 if (qemu_set_option(optarg) != 0)
3111 exit(1);
3112 break;
3113 case QEMU_OPTION_global:
3114 if (qemu_global_option(optarg) != 0)
3115 exit(1);
3116 break;
3117 case QEMU_OPTION_mtdblock:
3118 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3119 break;
3120 case QEMU_OPTION_sd:
3121 drive_add(IF_SD, -1, optarg, SD_OPTS);
3122 break;
3123 case QEMU_OPTION_pflash:
3124 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3125 break;
3126 case QEMU_OPTION_snapshot:
3127 snapshot = 1;
3128 break;
3129 case QEMU_OPTION_hdachs:
3130 {
3131 const char *p;
3132 p = optarg;
3133 cyls = strtol(p, (char **)&p, 0);
3134 if (cyls < 1 || cyls > 16383)
3135 goto chs_fail;
3136 if (*p != ',')
3137 goto chs_fail;
3138 p++;
3139 heads = strtol(p, (char **)&p, 0);
3140 if (heads < 1 || heads > 16)
3141 goto chs_fail;
3142 if (*p != ',')
3143 goto chs_fail;
3144 p++;
3145 secs = strtol(p, (char **)&p, 0);
3146 if (secs < 1 || secs > 63)
3147 goto chs_fail;
3148 if (*p == ',') {
3149 p++;
3150 if (!strcmp(p, "large")) {
3151 translation = BIOS_ATA_TRANSLATION_LARGE;
3152 } else if (!strcmp(p, "rechs")) {
3153 translation = BIOS_ATA_TRANSLATION_RECHS;
3154 } else if (!strcmp(p, "none")) {
3155 translation = BIOS_ATA_TRANSLATION_NONE;
3156 } else if (!strcmp(p, "lba")) {
3157 translation = BIOS_ATA_TRANSLATION_LBA;
3158 } else if (!strcmp(p, "auto")) {
3159 translation = BIOS_ATA_TRANSLATION_AUTO;
3160 } else {
3161 goto chs_fail;
3162 }
3163 } else if (*p != '\0') {
3164 chs_fail:
3165 error_report("invalid physical CHS format");
3166 exit(1);
3167 }
3168 if (hda_opts != NULL) {
3169 qemu_opt_set_number(hda_opts, "cyls", cyls,
3170 &error_abort);
3171 qemu_opt_set_number(hda_opts, "heads", heads,
3172 &error_abort);
3173 qemu_opt_set_number(hda_opts, "secs", secs,
3174 &error_abort);
3175 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3176 qemu_opt_set(hda_opts, "trans", "large",
3177 &error_abort);
3178 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3179 qemu_opt_set(hda_opts, "trans", "rechs",
3180 &error_abort);
3181 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3182 qemu_opt_set(hda_opts, "trans", "lba",
3183 &error_abort);
3184 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3185 qemu_opt_set(hda_opts, "trans", "none",
3186 &error_abort);
3187 }
3188 }
3189 }
3190 break;
3191 case QEMU_OPTION_numa:
3192 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3193 optarg, true);
3194 if (!opts) {
3195 exit(1);
3196 }
3197 break;
3198 case QEMU_OPTION_display:
3199 display_type = select_display(optarg);
3200 break;
3201 case QEMU_OPTION_nographic:
3202 olist = qemu_find_opts("machine");
3203 qemu_opts_parse_noisily(olist, "graphics=off", false);
3204 nographic = true;
3205 display_type = DT_NONE;
3206 break;
3207 case QEMU_OPTION_curses:
3208 #ifdef CONFIG_CURSES
3209 display_type = DT_CURSES;
3210 #else
3211 error_report("curses support is disabled");
3212 exit(1);
3213 #endif
3214 break;
3215 case QEMU_OPTION_portrait:
3216 graphic_rotate = 90;
3217 break;
3218 case QEMU_OPTION_rotate:
3219 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3220 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3221 graphic_rotate != 180 && graphic_rotate != 270) {
3222 error_report("only 90, 180, 270 deg rotation is available");
3223 exit(1);
3224 }
3225 break;
3226 case QEMU_OPTION_kernel:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3228 &error_abort);
3229 break;
3230 case QEMU_OPTION_initrd:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_append:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3236 &error_abort);
3237 break;
3238 case QEMU_OPTION_dtb:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_cdrom:
3243 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3244 break;
3245 case QEMU_OPTION_boot:
3246 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3247 optarg, true);
3248 if (!opts) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3255 optarg, FD_OPTS);
3256 break;
3257 case QEMU_OPTION_no_fd_bootchk:
3258 fd_bootchk = 0;
3259 break;
3260 case QEMU_OPTION_netdev:
3261 default_net = 0;
3262 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_net:
3267 default_net = 0;
3268 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3269 exit(1);
3270 }
3271 break;
3272 #ifdef CONFIG_LIBISCSI
3273 case QEMU_OPTION_iscsi:
3274 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3275 optarg, false);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 #endif
3281 #ifdef CONFIG_SLIRP
3282 case QEMU_OPTION_tftp:
3283 error_report("The -tftp option is deprecated. "
3284 "Please use '-netdev user,tftp=...' instead.");
3285 legacy_tftp_prefix = optarg;
3286 break;
3287 case QEMU_OPTION_bootp:
3288 error_report("The -bootp option is deprecated. "
3289 "Please use '-netdev user,bootfile=...' instead.");
3290 legacy_bootp_filename = optarg;
3291 break;
3292 case QEMU_OPTION_redir:
3293 error_report("The -redir option is deprecated. "
3294 "Please use '-netdev user,hostfwd=...' instead.");
3295 if (net_slirp_redir(optarg) < 0)
3296 exit(1);
3297 break;
3298 #endif
3299 case QEMU_OPTION_bt:
3300 add_device_config(DEV_BT, optarg);
3301 break;
3302 case QEMU_OPTION_audio_help:
3303 AUD_help ();
3304 exit (0);
3305 break;
3306 case QEMU_OPTION_soundhw:
3307 select_soundhw (optarg);
3308 break;
3309 case QEMU_OPTION_h:
3310 help(0);
3311 break;
3312 case QEMU_OPTION_version:
3313 version();
3314 exit(0);
3315 break;
3316 case QEMU_OPTION_m:
3317 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3318 optarg, true);
3319 if (!opts) {
3320 exit(EXIT_FAILURE);
3321 }
3322 break;
3323 #ifdef CONFIG_TPM
3324 case QEMU_OPTION_tpmdev:
3325 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3326 exit(1);
3327 }
3328 break;
3329 #endif
3330 case QEMU_OPTION_mempath:
3331 mem_path = optarg;
3332 break;
3333 case QEMU_OPTION_mem_prealloc:
3334 mem_prealloc = 1;
3335 break;
3336 case QEMU_OPTION_d:
3337 log_mask = optarg;
3338 break;
3339 case QEMU_OPTION_D:
3340 log_file = optarg;
3341 break;
3342 case QEMU_OPTION_DFILTER:
3343 qemu_set_dfilter_ranges(optarg, &error_fatal);
3344 break;
3345 case QEMU_OPTION_s:
3346 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3347 break;
3348 case QEMU_OPTION_gdb:
3349 add_device_config(DEV_GDB, optarg);
3350 break;
3351 case QEMU_OPTION_L:
3352 if (is_help_option(optarg)) {
3353 list_data_dirs = true;
3354 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3355 data_dir[data_dir_idx++] = optarg;
3356 }
3357 break;
3358 case QEMU_OPTION_bios:
3359 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3360 &error_abort);
3361 break;
3362 case QEMU_OPTION_singlestep:
3363 singlestep = 1;
3364 break;
3365 case QEMU_OPTION_S:
3366 autostart = 0;
3367 break;
3368 case QEMU_OPTION_k:
3369 keyboard_layout = optarg;
3370 break;
3371 case QEMU_OPTION_localtime:
3372 rtc_utc = 0;
3373 break;
3374 case QEMU_OPTION_vga:
3375 vga_model = optarg;
3376 default_vga = 0;
3377 break;
3378 case QEMU_OPTION_g:
3379 {
3380 const char *p;
3381 int w, h, depth;
3382 p = optarg;
3383 w = strtol(p, (char **)&p, 10);
3384 if (w <= 0) {
3385 graphic_error:
3386 error_report("invalid resolution or depth");
3387 exit(1);
3388 }
3389 if (*p != 'x')
3390 goto graphic_error;
3391 p++;
3392 h = strtol(p, (char **)&p, 10);
3393 if (h <= 0)
3394 goto graphic_error;
3395 if (*p == 'x') {
3396 p++;
3397 depth = strtol(p, (char **)&p, 10);
3398 if (depth != 8 && depth != 15 && depth != 16 &&
3399 depth != 24 && depth != 32)
3400 goto graphic_error;
3401 } else if (*p == '\0') {
3402 depth = graphic_depth;
3403 } else {
3404 goto graphic_error;
3405 }
3406
3407 graphic_width = w;
3408 graphic_height = h;
3409 graphic_depth = depth;
3410 }
3411 break;
3412 case QEMU_OPTION_echr:
3413 {
3414 char *r;
3415 term_escape_char = strtol(optarg, &r, 0);
3416 if (r == optarg)
3417 printf("Bad argument to echr\n");
3418 break;
3419 }
3420 case QEMU_OPTION_monitor:
3421 default_monitor = 0;
3422 if (strncmp(optarg, "none", 4)) {
3423 monitor_parse(optarg, "readline", false);
3424 }
3425 break;
3426 case QEMU_OPTION_qmp:
3427 monitor_parse(optarg, "control", false);
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_qmp_pretty:
3431 monitor_parse(optarg, "control", true);
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_mon:
3435 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3436 true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 default_monitor = 0;
3441 break;
3442 case QEMU_OPTION_chardev:
3443 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3444 optarg, true);
3445 if (!opts) {
3446 exit(1);
3447 }
3448 break;
3449 case QEMU_OPTION_fsdev:
3450 olist = qemu_find_opts("fsdev");
3451 if (!olist) {
3452 error_report("fsdev support is disabled");
3453 exit(1);
3454 }
3455 opts = qemu_opts_parse_noisily(olist, optarg, true);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 break;
3460 case QEMU_OPTION_virtfs: {
3461 QemuOpts *fsdev;
3462 QemuOpts *device;
3463 const char *writeout, *sock_fd, *socket;
3464
3465 olist = qemu_find_opts("virtfs");
3466 if (!olist) {
3467 error_report("virtfs support is disabled");
3468 exit(1);
3469 }
3470 opts = qemu_opts_parse_noisily(olist, optarg, true);
3471 if (!opts) {
3472 exit(1);
3473 }
3474
3475 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3476 qemu_opt_get(opts, "mount_tag") == NULL) {
3477 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3478 exit(1);
3479 }
3480 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3481 qemu_opt_get(opts, "mount_tag"),
3482 1, NULL);
3483 if (!fsdev) {
3484 error_report("duplicate fsdev id: %s",
3485 qemu_opt_get(opts, "mount_tag"));
3486 exit(1);
3487 }
3488
3489 writeout = qemu_opt_get(opts, "writeout");
3490 if (writeout) {
3491 #ifdef CONFIG_SYNC_FILE_RANGE
3492 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3493 #else
3494 error_report("writeout=immediate not supported "
3495 "on this platform");
3496 exit(1);
3497 #endif
3498 }
3499 qemu_opt_set(fsdev, "fsdriver",
3500 qemu_opt_get(opts, "fsdriver"), &error_abort);
3501 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3502 &error_abort);
3503 qemu_opt_set(fsdev, "security_model",
3504 qemu_opt_get(opts, "security_model"),
3505 &error_abort);
3506 socket = qemu_opt_get(opts, "socket");
3507 if (socket) {
3508 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3509 }
3510 sock_fd = qemu_opt_get(opts, "sock_fd");
3511 if (sock_fd) {
3512 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3513 }
3514
3515 qemu_opt_set_bool(fsdev, "readonly",
3516 qemu_opt_get_bool(opts, "readonly", 0),
3517 &error_abort);
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3521 qemu_opt_set(device, "fsdev",
3522 qemu_opt_get(opts, "mount_tag"), &error_abort);
3523 qemu_opt_set(device, "mount_tag",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 break;
3526 }
3527 case QEMU_OPTION_virtfs_synth: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530
3531 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3532 1, NULL);
3533 if (!fsdev) {
3534 error_report("duplicate option: %s", "virtfs_synth");
3535 exit(1);
3536 }
3537 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3538
3539 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 &error_abort);
3541 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3542 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3543 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3544 break;
3545 }
3546 case QEMU_OPTION_serial:
3547 add_device_config(DEV_SERIAL, optarg);
3548 default_serial = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_watchdog:
3554 if (watchdog) {
3555 error_report("only one watchdog option may be given");
3556 return 1;
3557 }
3558 watchdog = optarg;
3559 break;
3560 case QEMU_OPTION_watchdog_action:
3561 if (select_watchdog_action(optarg) == -1) {
3562 error_report("unknown -watchdog-action parameter");
3563 exit(1);
3564 }
3565 break;
3566 case QEMU_OPTION_virtiocon:
3567 add_device_config(DEV_VIRTCON, optarg);
3568 default_virtcon = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_parallel:
3574 add_device_config(DEV_PARALLEL, optarg);
3575 default_parallel = 0;
3576 if (strncmp(optarg, "mon:", 4) == 0) {
3577 default_monitor = 0;
3578 }
3579 break;
3580 case QEMU_OPTION_debugcon:
3581 add_device_config(DEV_DEBUGCON, optarg);
3582 break;
3583 case QEMU_OPTION_loadvm:
3584 loadvm = optarg;
3585 break;
3586 case QEMU_OPTION_full_screen:
3587 full_screen = 1;
3588 break;
3589 case QEMU_OPTION_no_frame:
3590 no_frame = 1;
3591 break;
3592 case QEMU_OPTION_alt_grab:
3593 alt_grab = 1;
3594 break;
3595 case QEMU_OPTION_ctrl_grab:
3596 ctrl_grab = 1;
3597 break;
3598 case QEMU_OPTION_no_quit:
3599 no_quit = 1;
3600 break;
3601 case QEMU_OPTION_sdl:
3602 #ifdef CONFIG_SDL
3603 display_type = DT_SDL;
3604 break;
3605 #else
3606 error_report("SDL support is disabled");
3607 exit(1);
3608 #endif
3609 case QEMU_OPTION_pidfile:
3610 pid_file = optarg;
3611 break;
3612 case QEMU_OPTION_win2k_hack:
3613 win2k_install_hack = 1;
3614 break;
3615 case QEMU_OPTION_rtc_td_hack: {
3616 static GlobalProperty slew_lost_ticks = {
3617 .driver = "mc146818rtc",
3618 .property = "lost_tick_policy",
3619 .value = "slew",
3620 };
3621
3622 qdev_prop_register_global(&slew_lost_ticks);
3623 break;
3624 }
3625 case QEMU_OPTION_acpitable:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3627 optarg, true);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 do_acpitable_option(opts);
3632 break;
3633 case QEMU_OPTION_smbios:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3635 optarg, false);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 do_smbios_option(opts);
3640 break;
3641 case QEMU_OPTION_fwcfg:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3643 optarg, true);
3644 if (opts == NULL) {
3645 exit(1);
3646 }
3647 break;
3648 case QEMU_OPTION_enable_kvm:
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3651 break;
3652 case QEMU_OPTION_M:
3653 case QEMU_OPTION_machine:
3654 olist = qemu_find_opts("machine");
3655 opts = qemu_opts_parse_noisily(olist, optarg, true);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_no_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3663 break;
3664 case QEMU_OPTION_no_kvm_pit: {
3665 error_report("warning: ignoring deprecated option");
3666 break;
3667 }
3668 case QEMU_OPTION_no_kvm_pit_reinjection: {
3669 static GlobalProperty kvm_pit_lost_tick_policy = {
3670 .driver = "kvm-pit",
3671 .property = "lost_tick_policy",
3672 .value = "discard",
3673 };
3674
3675 error_report("warning: deprecated, replaced by "
3676 "-global kvm-pit.lost_tick_policy=discard");
3677 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3678 break;
3679 }
3680 case QEMU_OPTION_usb:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "usb=on", false);
3683 break;
3684 case QEMU_OPTION_usbdevice:
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "usb=on", false);
3687 add_device_config(DEV_USB, optarg);
3688 break;
3689 case QEMU_OPTION_device:
3690 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3691 optarg, true)) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_smp:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_vnc:
3702 vnc_parse(optarg, &error_fatal);
3703 break;
3704 case QEMU_OPTION_no_acpi:
3705 acpi_enabled = 0;
3706 break;
3707 case QEMU_OPTION_no_hpet:
3708 no_hpet = 1;
3709 break;
3710 case QEMU_OPTION_balloon:
3711 if (balloon_parse(optarg) < 0) {
3712 error_report("unknown -balloon argument %s", optarg);
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_no_reboot:
3717 no_reboot = 1;
3718 break;
3719 case QEMU_OPTION_no_shutdown:
3720 no_shutdown = 1;
3721 break;
3722 case QEMU_OPTION_show_cursor:
3723 cursor_hide = 0;
3724 break;
3725 case QEMU_OPTION_uuid:
3726 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3727 error_report("failed to parse UUID string: wrong format");
3728 exit(1);
3729 }
3730 qemu_uuid_set = true;
3731 break;
3732 case QEMU_OPTION_option_rom:
3733 if (nb_option_roms >= MAX_OPTION_ROMS) {
3734 error_report("too many option ROMs");
3735 exit(1);
3736 }
3737 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3738 optarg, true);
3739 if (!opts) {
3740 exit(1);
3741 }
3742 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3743 option_rom[nb_option_roms].bootindex =
3744 qemu_opt_get_number(opts, "bootindex", -1);
3745 if (!option_rom[nb_option_roms].name) {
3746 error_report("Option ROM file is not specified");
3747 exit(1);
3748 }
3749 nb_option_roms++;
3750 break;
3751 case QEMU_OPTION_semihosting:
3752 semihosting.enabled = true;
3753 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3754 break;
3755 case QEMU_OPTION_semihosting_config:
3756 semihosting.enabled = true;
3757 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3758 optarg, false);
3759 if (opts != NULL) {
3760 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3761 true);
3762 const char *target = qemu_opt_get(opts, "target");
3763 if (target != NULL) {
3764 if (strcmp("native", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3766 } else if (strcmp("gdb", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_GDB;
3768 } else if (strcmp("auto", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3770 } else {
3771 error_report("unsupported semihosting-config %s",
3772 optarg);
3773 exit(1);
3774 }
3775 } else {
3776 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3777 }
3778 /* Set semihosting argument count and vector */
3779 qemu_opt_foreach(opts, add_semihosting_arg,
3780 &semihosting, NULL);
3781 } else {
3782 error_report("unsupported semihosting-config %s", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_tdf:
3787 error_report("warning: ignoring deprecated option");
3788 break;
3789 case QEMU_OPTION_name:
3790 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3791 optarg, true);
3792 if (!opts) {
3793 exit(1);
3794 }
3795 break;
3796 case QEMU_OPTION_prom_env:
3797 if (nb_prom_envs >= MAX_PROM_ENVS) {
3798 error_report("too many prom variables");
3799 exit(1);
3800 }
3801 prom_envs[nb_prom_envs] = optarg;
3802 nb_prom_envs++;
3803 break;
3804 case QEMU_OPTION_old_param:
3805 old_param = 1;
3806 break;
3807 case QEMU_OPTION_clock:
3808 /* Clock options no longer exist. Keep this option for
3809 * backward compatibility.
3810 */
3811 break;
3812 case QEMU_OPTION_startdate:
3813 configure_rtc_date_offset(optarg, 1);
3814 break;
3815 case QEMU_OPTION_rtc:
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3817 false);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 configure_rtc(opts);
3822 break;
3823 case QEMU_OPTION_tb_size:
3824 tcg_tb_size = strtol(optarg, NULL, 0);
3825 if (tcg_tb_size < 0) {
3826 tcg_tb_size = 0;
3827 }
3828 break;
3829 case QEMU_OPTION_icount:
3830 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3831 optarg, true);
3832 if (!icount_opts) {
3833 exit(1);
3834 }
3835 break;
3836 case QEMU_OPTION_incoming:
3837 if (!incoming) {
3838 runstate_set(RUN_STATE_INMIGRATE);
3839 }
3840 incoming = optarg;
3841 break;
3842 case QEMU_OPTION_nodefaults:
3843 has_defaults = 0;
3844 break;
3845 case QEMU_OPTION_xen_domid:
3846 if (!(xen_available())) {
3847 error_report("Option not supported for this target");
3848 exit(1);
3849 }
3850 xen_domid = atoi(optarg);
3851 break;
3852 case QEMU_OPTION_xen_create:
3853 if (!(xen_available())) {
3854 error_report("Option not supported for this target");
3855 exit(1);
3856 }
3857 xen_mode = XEN_CREATE;
3858 break;
3859 case QEMU_OPTION_xen_attach:
3860 if (!(xen_available())) {
3861 error_report("Option not supported for this target");
3862 exit(1);
3863 }
3864 xen_mode = XEN_ATTACH;
3865 break;
3866 case QEMU_OPTION_trace:
3867 {
3868 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3869 optarg, true);
3870 if (!opts) {
3871 exit(1);
3872 }
3873 if (qemu_opt_get(opts, "enable")) {
3874 trace_enable_events(qemu_opt_get(opts, "enable"));
3875 }
3876 trace_init_events(qemu_opt_get(opts, "events"));
3877 if (trace_file) {
3878 g_free(trace_file);
3879 }
3880 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3881 qemu_opts_del(opts);
3882 break;
3883 }
3884 case QEMU_OPTION_readconfig:
3885 {
3886 int ret = qemu_read_config_file(optarg);
3887 if (ret < 0) {
3888 error_report("read config %s: %s", optarg,
3889 strerror(-ret));
3890 exit(1);
3891 }
3892 break;
3893 }
3894 case QEMU_OPTION_spice:
3895 olist = qemu_find_opts("spice");
3896 if (!olist) {
3897 error_report("spice support is disabled");
3898 exit(1);
3899 }
3900 opts = qemu_opts_parse_noisily(olist, optarg, false);
3901 if (!opts) {
3902 exit(1);
3903 }
3904 display_remote++;
3905 break;
3906 case QEMU_OPTION_writeconfig:
3907 {
3908 FILE *fp;
3909 if (strcmp(optarg, "-") == 0) {
3910 fp = stdout;
3911 } else {
3912 fp = fopen(optarg, "w");
3913 if (fp == NULL) {
3914 error_report("open %s: %s", optarg,
3915 strerror(errno));
3916 exit(1);
3917 }
3918 }
3919 qemu_config_write(fp);
3920 if (fp != stdout) {
3921 fclose(fp);
3922 }
3923 break;
3924 }
3925 case QEMU_OPTION_qtest:
3926 qtest_chrdev = optarg;
3927 break;
3928 case QEMU_OPTION_qtest_log:
3929 qtest_log = optarg;
3930 break;
3931 case QEMU_OPTION_sandbox:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3933 optarg, true);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 break;
3938 case QEMU_OPTION_add_fd:
3939 #ifndef _WIN32
3940 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3941 optarg, false);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 #else
3946 error_report("File descriptor passing is disabled on this "
3947 "platform");
3948 exit(1);
3949 #endif
3950 break;
3951 case QEMU_OPTION_object:
3952 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3953 optarg, true);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 break;
3958 case QEMU_OPTION_realtime:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3960 optarg, false);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3965 break;
3966 case QEMU_OPTION_msg:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3968 false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 configure_msg(opts);
3973 break;
3974 case QEMU_OPTION_dump_vmstate:
3975 if (vmstate_dump_file) {
3976 error_report("only one '-dump-vmstate' "
3977 "option may be given");
3978 exit(1);
3979 }
3980 vmstate_dump_file = fopen(optarg, "w");
3981 if (vmstate_dump_file == NULL) {
3982 error_report("open %s: %s", optarg, strerror(errno));
3983 exit(1);
3984 }
3985 break;
3986 default:
3987 os_parse_cmd_args(popt->index, optarg);
3988 }
3989 }
3990 }
3991 /*
3992 * Clear error location left behind by the loop.
3993 * Best done right after the loop. Do not insert code here!
3994 */
3995 loc_set_none();
3996
3997 replay_configure(icount_opts);
3998
3999 machine_class = select_machine();
4000
4001 set_memory_options(&ram_slots, &maxram_size, machine_class);
4002
4003 os_daemonize();
4004
4005 if (qemu_init_main_loop(&main_loop_err)) {
4006 error_report_err(main_loop_err);
4007 exit(1);
4008 }
4009
4010 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4011 parse_sandbox, NULL, NULL)) {
4012 exit(1);
4013 }
4014
4015 if (qemu_opts_foreach(qemu_find_opts("name"),
4016 parse_name, NULL, NULL)) {
4017 exit(1);
4018 }
4019
4020 #ifndef _WIN32
4021 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4022 parse_add_fd, NULL, NULL)) {
4023 exit(1);
4024 }
4025
4026 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4027 cleanup_add_fd, NULL, NULL)) {
4028 exit(1);
4029 }
4030 #endif
4031
4032 current_machine = MACHINE(object_new(object_class_get_name(
4033 OBJECT_CLASS(machine_class))));
4034 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4035 exit(0);
4036 }
4037 object_property_add_child(object_get_root(), "machine",
4038 OBJECT(current_machine), &error_abort);
4039 cpu_exec_init_all();
4040
4041 if (machine_class->hw_version) {
4042 qemu_set_hw_version(machine_class->hw_version);
4043 }
4044
4045 if (cpu_model && is_help_option(cpu_model)) {
4046 list_cpus(stdout, &fprintf, cpu_model);
4047 exit(0);
4048 }
4049
4050 if (!trace_init_backends()) {
4051 exit(1);
4052 }
4053 trace_init_file(trace_file);
4054
4055 /* Open the logfile at this point and set the log mask if necessary.
4056 */
4057 if (log_file) {
4058 qemu_set_log_filename(log_file, &error_fatal);
4059 }
4060
4061 if (log_mask) {
4062 int mask;
4063 mask = qemu_str_to_log_mask(log_mask);
4064 if (!mask) {
4065 qemu_print_log_usage(stdout);
4066 exit(1);
4067 }
4068 qemu_set_log(mask);
4069 } else {
4070 qemu_set_log(0);
4071 }
4072
4073 /* If no data_dir is specified then try to find it relative to the
4074 executable path. */
4075 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4076 data_dir[data_dir_idx] = os_find_datadir();
4077 if (data_dir[data_dir_idx] != NULL) {
4078 data_dir_idx++;
4079 }
4080 }
4081 /* If all else fails use the install path specified when building. */
4082 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4083 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4084 }
4085
4086 /* -L help lists the data directories and exits. */
4087 if (list_data_dirs) {
4088 for (i = 0; i < data_dir_idx; i++) {
4089 printf("%s\n", data_dir[i]);
4090 }
4091 exit(0);
4092 }
4093
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4095
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (max_cpus > machine_class->max_cpus) {
4098 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4099 "supported by machine '%s' (%d)", max_cpus,
4100 machine_class->name, machine_class->max_cpus);
4101 exit(1);
4102 }
4103
4104 /*
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4107 */
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4111 }
4112
4113 qemu_opts_foreach(qemu_find_opts("device"),
4114 default_driver_check, NULL, NULL);
4115 qemu_opts_foreach(qemu_find_opts("global"),
4116 default_driver_check, NULL, NULL);
4117
4118 if (!vga_model && !default_vga) {
4119 vga_interface_type = VGA_DEVICE;
4120 }
4121 if (!has_defaults || machine_class->no_serial) {
4122 default_serial = 0;
4123 }
4124 if (!has_defaults || machine_class->no_parallel) {
4125 default_parallel = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_virtcon) {
4128 default_virtcon = 0;
4129 }
4130 if (!has_defaults || !machine_class->use_sclp) {
4131 default_sclp = 0;
4132 }
4133 if (!has_defaults || machine_class->no_floppy) {
4134 default_floppy = 0;
4135 }
4136 if (!has_defaults || machine_class->no_cdrom) {
4137 default_cdrom = 0;
4138 }
4139 if (!has_defaults || machine_class->no_sdcard) {
4140 default_sdcard = 0;
4141 }
4142 if (!has_defaults) {
4143 default_monitor = 0;
4144 default_net = 0;
4145 default_vga = 0;
4146 }
4147
4148 if (is_daemonized()) {
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4157 */
4158 if (nographic
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 error_report("-nographic cannot be used with -daemonize");
4162 exit(1);
4163 }
4164 #ifdef CONFIG_CURSES
4165 if (display_type == DT_CURSES) {
4166 error_report("curses display cannot be used with -daemonize");
4167 exit(1);
4168 }
4169 #endif
4170 }
4171
4172 if (nographic) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else if (default_sclp && default_monitor) {
4180 add_device_config(DEV_SCLP, "mon:stdio");
4181 } else {
4182 if (default_serial)
4183 add_device_config(DEV_SERIAL, "stdio");
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "stdio");
4186 if (default_sclp) {
4187 add_device_config(DEV_SCLP, "stdio");
4188 }
4189 if (default_monitor)
4190 monitor_parse("stdio", "readline", false);
4191 }
4192 } else {
4193 if (default_serial)
4194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4195 if (default_parallel)
4196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4197 if (default_monitor)
4198 monitor_parse("vc:80Cx24C", "readline", false);
4199 if (default_virtcon)
4200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4201 if (default_sclp) {
4202 add_device_config(DEV_SCLP, "vc:80Cx24C");
4203 }
4204 }
4205
4206 #if defined(CONFIG_VNC)
4207 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4208 display_remote++;
4209 }
4210 #endif
4211 if (display_type == DT_DEFAULT && !display_remote) {
4212 #if defined(CONFIG_GTK)
4213 display_type = DT_GTK;
4214 #elif defined(CONFIG_SDL)
4215 display_type = DT_SDL;
4216 #elif defined(CONFIG_COCOA)
4217 display_type = DT_COCOA;
4218 #elif defined(CONFIG_VNC)
4219 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4220 show_vnc_port = 1;
4221 #else
4222 display_type = DT_NONE;
4223 #endif
4224 }
4225
4226 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4227 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4228 "for SDL, ignoring option");
4229 }
4230 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4231 error_report("-no-quit is only valid for GTK and SDL, "
4232 "ignoring option");
4233 }
4234
4235 if (display_type == DT_GTK) {
4236 early_gtk_display_init(request_opengl);
4237 }
4238
4239 if (display_type == DT_SDL) {
4240 sdl_display_early_init(request_opengl);
4241 }
4242
4243 if (request_opengl == 1 && display_opengl == 0) {
4244 #if defined(CONFIG_OPENGL)
4245 error_report("OpenGL is not supported by the display");
4246 #else
4247 error_report("OpenGL support is disabled");
4248 #endif
4249 exit(1);
4250 }
4251
4252 page_size_init();
4253 socket_init();
4254
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 user_creatable_add_opts_foreach,
4257 object_create_initial, NULL)) {
4258 exit(1);
4259 }
4260
4261 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4262 chardev_init_func, NULL, NULL)) {
4263 exit(1);
4264 }
4265
4266 #ifdef CONFIG_VIRTFS
4267 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4268 fsdev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271 #endif
4272
4273 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4274 error_report("could not acquire pid file: %s", strerror(errno));
4275 exit(1);
4276 }
4277
4278 if (qemu_opts_foreach(qemu_find_opts("device"),
4279 device_help_func, NULL, NULL)) {
4280 exit(0);
4281 }
4282
4283 machine_opts = qemu_get_machine_opts();
4284 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4285 NULL)) {
4286 object_unref(OBJECT(current_machine));
4287 exit(1);
4288 }
4289
4290 configure_accelerator(current_machine);
4291
4292 if (qtest_chrdev) {
4293 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4294 }
4295
4296 machine_opts = qemu_get_machine_opts();
4297 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4298 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4299 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4300 bios_name = qemu_opt_get(machine_opts, "firmware");
4301
4302 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4303 if (opts) {
4304 boot_order = qemu_opt_get(opts, "order");
4305 if (boot_order) {
4306 validate_bootdevices(boot_order, &error_fatal);
4307 }
4308
4309 boot_once = qemu_opt_get(opts, "once");
4310 if (boot_once) {
4311 validate_bootdevices(boot_once, &error_fatal);
4312 }
4313
4314 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4315 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4316 }
4317
4318 if (!boot_order) {
4319 boot_order = machine_class->default_boot_order;
4320 }
4321
4322 if (!kernel_cmdline) {
4323 kernel_cmdline = "";
4324 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4325 }
4326
4327 linux_boot = (kernel_filename != NULL);
4328
4329 if (!linux_boot && *kernel_cmdline != '\0') {
4330 error_report("-append only allowed with -kernel option");
4331 exit(1);
4332 }
4333
4334 if (!linux_boot && initrd_filename != NULL) {
4335 error_report("-initrd only allowed with -kernel option");
4336 exit(1);
4337 }
4338
4339 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4340 error_report("-dtb only allowed with -kernel option");
4341 exit(1);
4342 }
4343
4344 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4345 /* fall back to the -kernel/-append */
4346 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4347 }
4348
4349 os_set_line_buffering();
4350
4351 /* spice needs the timers to be initialized by this point */
4352 qemu_spice_init();
4353
4354 cpu_ticks_init();
4355 if (icount_opts) {
4356 if (kvm_enabled() || xen_enabled()) {
4357 error_report("-icount is not allowed with kvm or xen");
4358 exit(1);
4359 }
4360 configure_icount(icount_opts, &error_abort);
4361 qemu_opts_del(icount_opts);
4362 }
4363
4364 /* clean up network at qemu process termination */
4365 atexit(&net_cleanup);
4366
4367 if (default_net) {
4368 QemuOptsList *net = qemu_find_opts("net");
4369 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4370 #ifdef CONFIG_SLIRP
4371 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4372 #endif
4373 }
4374
4375 if (net_init_clients() < 0) {
4376 exit(1);
4377 }
4378
4379 if (qemu_opts_foreach(qemu_find_opts("object"),
4380 user_creatable_add_opts_foreach,
4381 object_create_delayed, NULL)) {
4382 exit(1);
4383 }
4384
4385 #ifdef CONFIG_TPM
4386 if (tpm_init() < 0) {
4387 exit(1);
4388 }
4389 #endif
4390
4391 /* init the bluetooth world */
4392 if (foreach_device_config(DEV_BT, bt_parse))
4393 exit(1);
4394
4395 if (!xen_enabled()) {
4396 /* On 32-bit hosts, QEMU is limited by virtual address space */
4397 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4398 error_report("at most 2047 MB RAM can be simulated");
4399 exit(1);
4400 }
4401 }
4402
4403 blk_mig_init();
4404 ram_mig_init();
4405
4406 /* If the currently selected machine wishes to override the units-per-bus
4407 * property of its default HBA interface type, do so now. */
4408 if (machine_class->units_per_default_bus) {
4409 override_max_devs(machine_class->block_default_type,
4410 machine_class->units_per_default_bus);
4411 }
4412
4413 /* open the virtual block devices */
4414 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4415 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4416 NULL, NULL);
4417 }
4418 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4419 &machine_class->block_default_type, NULL)) {
4420 exit(1);
4421 }
4422
4423 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4424 CDROM_OPTS);
4425 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4426 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4427
4428 parse_numa_opts(machine_class);
4429
4430 if (qemu_opts_foreach(qemu_find_opts("mon"),
4431 mon_init_func, NULL, NULL)) {
4432 exit(1);
4433 }
4434
4435 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4436 exit(1);
4437 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4438 exit(1);
4439 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4440 exit(1);
4441 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4442 exit(1);
4443 }
4444 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4445 exit(1);
4446
4447 /* If no default VGA is requested, the default is "none". */
4448 if (default_vga) {
4449 if (machine_class->default_display) {
4450 vga_model = machine_class->default_display;
4451 } else if (vga_interface_available(VGA_CIRRUS)) {
4452 vga_model = "cirrus";
4453 } else if (vga_interface_available(VGA_STD)) {
4454 vga_model = "std";
4455 }
4456 }
4457 if (vga_model) {
4458 select_vgahw(vga_model);
4459 }
4460
4461 if (watchdog) {
4462 i = select_watchdog(watchdog);
4463 if (i > 0)
4464 exit (i == 1 ? 1 : 0);
4465 }
4466
4467 if (machine_class->compat_props) {
4468 GlobalProperty *p;
4469 for (i = 0; i < machine_class->compat_props->len; i++) {
4470 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4471 qdev_prop_register_global(p);
4472 }
4473 }
4474 qemu_add_globals();
4475
4476 /* This checkpoint is required by replay to separate prior clock
4477 reading from the other reads, because timer polling functions query
4478 clock values from the log. */
4479 replay_checkpoint(CHECKPOINT_INIT);
4480 qdev_machine_init();
4481
4482 current_machine->ram_size = ram_size;
4483 current_machine->maxram_size = maxram_size;
4484 current_machine->ram_slots = ram_slots;
4485 current_machine->boot_order = boot_order;
4486 current_machine->cpu_model = cpu_model;
4487
4488 machine_class->init(current_machine);
4489
4490 realtime_init();
4491
4492 audio_init();
4493
4494 cpu_synchronize_all_post_init();
4495
4496 numa_post_machine_init();
4497
4498 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4499 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4500 exit(1);
4501 }
4502
4503 /* init USB devices */
4504 if (machine_usb(current_machine)) {
4505 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4506 exit(1);
4507 }
4508
4509 /* Check if IGD GFX passthrough. */
4510 igd_gfx_passthru();
4511
4512 /* init generic devices */
4513 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4514 if (qemu_opts_foreach(qemu_find_opts("device"),
4515 device_init_func, NULL, NULL)) {
4516 exit(1);
4517 }
4518 rom_reset_order_override();
4519
4520 /* Did we create any drives that we failed to create a device for? */
4521 drive_check_orphaned();
4522
4523 /* Don't warn about the default network setup that you get if
4524 * no command line -net or -netdev options are specified. There
4525 * are two cases that we would otherwise complain about:
4526 * (1) board doesn't support a NIC but the implicit "-net nic"
4527 * requested one
4528 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4529 * sets up a nic that isn't connected to anything.
4530 */
4531 if (!default_net) {
4532 net_check_clients();
4533 }
4534
4535
4536 if (boot_once) {
4537 qemu_boot_set(boot_once, &error_fatal);
4538 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4539 }
4540
4541 ds = init_displaystate();
4542
4543 /* init local displays */
4544 switch (display_type) {
4545 case DT_CURSES:
4546 curses_display_init(ds, full_screen);
4547 break;
4548 case DT_SDL:
4549 sdl_display_init(ds, full_screen, no_frame);
4550 break;
4551 case DT_COCOA:
4552 cocoa_display_init(ds, full_screen);
4553 break;
4554 case DT_GTK:
4555 gtk_display_init(ds, full_screen, grab_on_hover);
4556 break;
4557 default:
4558 break;
4559 }
4560
4561 /* must be after terminal init, SDL library changes signal handlers */
4562 os_setup_signal_handling();
4563
4564 /* init remote displays */
4565 #ifdef CONFIG_VNC
4566 qemu_opts_foreach(qemu_find_opts("vnc"),
4567 vnc_init_func, NULL, NULL);
4568 #endif
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on '%s'\n", ret);
4572 g_free(ret);
4573 }
4574
4575 if (using_spice) {
4576 qemu_spice_display_init();
4577 }
4578
4579 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4580 exit(1);
4581 }
4582
4583 qdev_machine_creation_done();
4584
4585 /* TODO: once all bus devices are qdevified, this should be done
4586 * when bus is created by qdev.c */
4587 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4588 qemu_run_machine_init_done_notifiers();
4589
4590 if (rom_check_and_register_reset() != 0) {
4591 error_report("rom check and register reset failed");
4592 exit(1);
4593 }
4594
4595 replay_start();
4596
4597 /* This checkpoint is required by replay to separate prior clock
4598 reading from the other reads, because timer polling functions query
4599 clock values from the log. */
4600 replay_checkpoint(CHECKPOINT_RESET);
4601 qemu_system_reset(VMRESET_SILENT);
4602 register_global_state();
4603 if (loadvm) {
4604 if (load_vmstate(loadvm) < 0) {
4605 autostart = 0;
4606 }
4607 }
4608
4609 qdev_prop_check_globals();
4610 if (vmstate_dump_file) {
4611 /* dump and exit */
4612 dump_vmstate_json_to_file(vmstate_dump_file);
4613 return 0;
4614 }
4615
4616 if (incoming) {
4617 Error *local_err = NULL;
4618 qemu_start_incoming_migration(incoming, &local_err);
4619 if (local_err) {
4620 error_reportf_err(local_err, "-incoming %s: ", incoming);
4621 exit(1);
4622 }
4623 } else if (autostart) {
4624 vm_start();
4625 }
4626
4627 os_setup_post();
4628
4629 main_loop();
4630 replay_disable_events();
4631
4632 bdrv_close_all();
4633 pause_all_vcpus();
4634 res_free();
4635 #ifdef CONFIG_TPM
4636 tpm_cleanup();
4637 #endif
4638
4639 return 0;
4640 }
QEmu