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block/qapi: Set s->device in bdrv_query_stats()
[qemu.git] / vl.c
blob6cb5e40d6ff8a60e630655d56834a3d86dbaf79c
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/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
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 "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/block.h"
86 #include "sysemu/tpm.h"
87 #include "sysemu/dma.h"
88 #include "audio/audio.h"
89 #include "migration/migration.h"
90 #include "sysemu/kvm.h"
91 #include "qapi/qmp/qjson.h"
92 #include "qemu/option.h"
93 #include "qemu/config-file.h"
94 #include "qemu-options.h"
95 #include "qmp-commands.h"
96 #include "qemu/main-loop.h"
97 #ifdef CONFIG_VIRTFS
98 #include "fsdev/qemu-fsdev.h"
99 #endif
100 #include "sysemu/qtest.h"
101
102 #include "disas/disas.h"
103
104
105 #include "slirp/libslirp.h"
106
107 #include "trace.h"
108 #include "trace/control.h"
109 #include "qemu/queue.h"
110 #include "sysemu/cpus.h"
111 #include "sysemu/arch_init.h"
112
113 #include "ui/qemu-spice.h"
114 #include "qapi/string-input-visitor.h"
115 #include "qapi/opts-visitor.h"
116 #include "qom/object_interfaces.h"
117 #include "qapi-event.h"
118 #include "exec/semihost.h"
119 #include "crypto/init.h"
120 #include "sysemu/replay.h"
121 #include "qapi/qmp/qerror.h"
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 int request_opengl = -1;
132 int display_opengl;
133 static int display_remote;
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 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 uint8_t qemu_uuid[16];
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212
213 static struct {
214 const char *driver;
215 int *flag;
216 } default_list[] = {
217 { .driver = "isa-serial", .flag = &default_serial },
218 { .driver = "isa-parallel", .flag = &default_parallel },
219 { .driver = "isa-fdc", .flag = &default_floppy },
220 { .driver = "ide-cd", .flag = &default_cdrom },
221 { .driver = "ide-hd", .flag = &default_cdrom },
222 { .driver = "ide-drive", .flag = &default_cdrom },
223 { .driver = "scsi-cd", .flag = &default_cdrom },
224 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
225 { .driver = "virtio-serial", .flag = &default_virtcon },
226 { .driver = "VGA", .flag = &default_vga },
227 { .driver = "isa-vga", .flag = &default_vga },
228 { .driver = "cirrus-vga", .flag = &default_vga },
229 { .driver = "isa-cirrus-vga", .flag = &default_vga },
230 { .driver = "vmware-svga", .flag = &default_vga },
231 { .driver = "qxl-vga", .flag = &default_vga },
232 { .driver = "virtio-vga", .flag = &default_vga },
233 };
234
235 static QemuOptsList qemu_rtc_opts = {
236 .name = "rtc",
237 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
238 .desc = {
239 {
240 .name = "base",
241 .type = QEMU_OPT_STRING,
242 },{
243 .name = "clock",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "driftfix",
247 .type = QEMU_OPT_STRING,
248 },
249 { /* end of list */ }
250 },
251 };
252
253 static QemuOptsList qemu_sandbox_opts = {
254 .name = "sandbox",
255 .implied_opt_name = "enable",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
257 .desc = {
258 {
259 .name = "enable",
260 .type = QEMU_OPT_BOOL,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_trace_opts = {
267 .name = "trace",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_STRING,
274 },
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "rr",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "rrfile",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_semihosting_config_opts = {
489 .name = "semihosting-config",
490 .implied_opt_name = "enable",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
492 .desc = {
493 {
494 .name = "enable",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "target",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "arg",
501 .type = QEMU_OPT_STRING,
502 },
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_fw_cfg_opts = {
508 .name = "fw_cfg",
509 .implied_opt_name = "name",
510 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
511 .desc = {
512 {
513 .name = "name",
514 .type = QEMU_OPT_STRING,
515 .help = "Sets the fw_cfg name of the blob to be inserted",
516 }, {
517 .name = "file",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets the name of the file from which\n"
520 "the fw_cfg blob will be loaded",
521 }, {
522 .name = "string",
523 .type = QEMU_OPT_STRING,
524 .help = "Sets content of the blob to be inserted from a string",
525 },
526 { /* end of list */ }
527 },
528 };
529
530 /**
531 * Get machine options
532 *
533 * Returns: machine options (never null).
534 */
535 QemuOpts *qemu_get_machine_opts(void)
536 {
537 return qemu_find_opts_singleton("machine");
538 }
539
540 const char *qemu_get_vm_name(void)
541 {
542 return qemu_name;
543 }
544
545 static void res_free(void)
546 {
547 g_free(boot_splash_filedata);
548 boot_splash_filedata = NULL;
549 }
550
551 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
552 {
553 const char *driver = qemu_opt_get(opts, "driver");
554 int i;
555
556 if (!driver)
557 return 0;
558 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559 if (strcmp(default_list[i].driver, driver) != 0)
560 continue;
561 *(default_list[i].flag) = 0;
562 }
563 return 0;
564 }
565
566 /***********************************************************/
567 /* QEMU state */
568
569 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570
571 /* We use RUN_STATE__MAX but any invalid value will do */
572 static RunState vmstop_requested = RUN_STATE__MAX;
573 static QemuMutex vmstop_lock;
574
575 typedef struct {
576 RunState from;
577 RunState to;
578 } RunStateTransition;
579
580 static const RunStateTransition runstate_transitions_def[] = {
581 /* from -> to */
582 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
583 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585
586 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
593 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
596 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
601
602 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
603 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
617
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
623 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
626 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
628 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
629 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
632 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
633 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
634 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
635
636 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
643 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
644 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
645 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
649 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
655
656 { RUN_STATE__MAX, RUN_STATE__MAX },
657 };
658
659 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
660
661 bool runstate_check(RunState state)
662 {
663 return current_run_state == state;
664 }
665
666 bool runstate_store(char *str, size_t size)
667 {
668 const char *state = RunState_lookup[current_run_state];
669 size_t len = strlen(state) + 1;
670
671 if (len > size) {
672 return false;
673 }
674 memcpy(str, state, len);
675 return true;
676 }
677
678 static void runstate_init(void)
679 {
680 const RunStateTransition *p;
681
682 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
683 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
684 runstate_valid_transitions[p->from][p->to] = true;
685 }
686
687 qemu_mutex_init(&vmstop_lock);
688 }
689
690 /* This function will abort() on invalid state transitions */
691 void runstate_set(RunState new_state)
692 {
693 assert(new_state < RUN_STATE__MAX);
694
695 if (!runstate_valid_transitions[current_run_state][new_state]) {
696 error_report("invalid runstate transition: '%s' -> '%s'",
697 RunState_lookup[current_run_state],
698 RunState_lookup[new_state]);
699 abort();
700 }
701 trace_runstate_set(new_state);
702 current_run_state = new_state;
703 }
704
705 int runstate_is_running(void)
706 {
707 return runstate_check(RUN_STATE_RUNNING);
708 }
709
710 bool runstate_needs_reset(void)
711 {
712 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
713 runstate_check(RUN_STATE_SHUTDOWN);
714 }
715
716 StatusInfo *qmp_query_status(Error **errp)
717 {
718 StatusInfo *info = g_malloc0(sizeof(*info));
719
720 info->running = runstate_is_running();
721 info->singlestep = singlestep;
722 info->status = current_run_state;
723
724 return info;
725 }
726
727 static bool qemu_vmstop_requested(RunState *r)
728 {
729 qemu_mutex_lock(&vmstop_lock);
730 *r = vmstop_requested;
731 vmstop_requested = RUN_STATE__MAX;
732 qemu_mutex_unlock(&vmstop_lock);
733 return *r < RUN_STATE__MAX;
734 }
735
736 void qemu_system_vmstop_request_prepare(void)
737 {
738 qemu_mutex_lock(&vmstop_lock);
739 }
740
741 void qemu_system_vmstop_request(RunState state)
742 {
743 vmstop_requested = state;
744 qemu_mutex_unlock(&vmstop_lock);
745 qemu_notify_event();
746 }
747
748 void vm_start(void)
749 {
750 RunState requested;
751
752 qemu_vmstop_requested(&requested);
753 if (runstate_is_running() && requested == RUN_STATE__MAX) {
754 return;
755 }
756
757 /* Ensure that a STOP/RESUME pair of events is emitted if a
758 * vmstop request was pending. The BLOCK_IO_ERROR event, for
759 * example, according to documentation is always followed by
760 * the STOP event.
761 */
762 if (runstate_is_running()) {
763 qapi_event_send_stop(&error_abort);
764 } else {
765 cpu_enable_ticks();
766 runstate_set(RUN_STATE_RUNNING);
767 vm_state_notify(1, RUN_STATE_RUNNING);
768 resume_all_vcpus();
769 }
770
771 qapi_event_send_resume(&error_abort);
772 }
773
774
775 /***********************************************************/
776 /* real time host monotonic timer */
777
778 static time_t qemu_time(void)
779 {
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 }
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti = qemu_time();
788
789 ti += offset;
790 if (rtc_date_offset == -1) {
791 if (rtc_utc)
792 gmtime_r(&ti, tm);
793 else
794 localtime_r(&ti, tm);
795 } else {
796 ti -= rtc_date_offset;
797 gmtime_r(&ti, tm);
798 }
799 }
800
801 int qemu_timedate_diff(struct tm *tm)
802 {
803 time_t seconds;
804
805 if (rtc_date_offset == -1)
806 if (rtc_utc)
807 seconds = mktimegm(tm);
808 else {
809 struct tm tmp = *tm;
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
812 }
813 else
814 seconds = mktimegm(tm) + rtc_date_offset;
815
816 return seconds - qemu_time();
817 }
818
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 {
821 time_t rtc_start_date;
822 struct tm tm;
823
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
826 } else {
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday,
831 &tm.tm_hour,
832 &tm.tm_min,
833 &tm.tm_sec) == 6) {
834 /* OK */
835 } else if (sscanf(startdate, "%d-%d-%d",
836 &tm.tm_year,
837 &tm.tm_mon,
838 &tm.tm_mday) == 3) {
839 tm.tm_hour = 0;
840 tm.tm_min = 0;
841 tm.tm_sec = 0;
842 } else {
843 goto date_fail;
844 }
845 tm.tm_year -= 1900;
846 tm.tm_mon--;
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
849 date_fail:
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = qemu_time() - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
869 rtc_utc = 0;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
873 } else {
874 configure_rtc_date_offset(value, 0);
875 }
876 }
877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 } else {
886 error_report("invalid option value '%s'", value);
887 exit(1);
888 }
889 }
890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks[] = {
894 {
895 .driver = "mc146818rtc",
896 .property = "lost_tick_policy",
897 .value = "slew",
898 },
899 { /* end of list */ }
900 };
901
902 qdev_prop_register_global_list(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 bool usb_enabled(void)
1076 {
1077 return machine_usb(current_machine);
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_report("fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_report("fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_report("fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_report("set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_report("error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type);
1190 if (!dinfo) {
1191 exit(1);
1192 }
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 sockets = sockets > 0 ? sockets : 1;
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 cpus = cores * threads * sockets;
1239 }
1240 } else if (cores == 0) {
1241 threads = threads > 0 ? threads : 1;
1242 cores = cpus / (sockets * threads);
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 } else if (sockets * cores * threads < cpus) {
1246 error_report("cpu topology: "
1247 "sockets (%u) * cores (%u) * threads (%u) < "
1248 "smp_cpus (%u)",
1249 sockets, cores, threads, cpus);
1250 exit(1);
1251 }
1252
1253 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1254 if (sockets * cores * threads > max_cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) > "
1257 "maxcpus (%u)",
1258 sockets, cores, threads, max_cpus);
1259 exit(1);
1260 }
1261
1262 smp_cpus = cpus;
1263 smp_cores = cores > 0 ? cores : 1;
1264 smp_threads = threads > 0 ? threads : 1;
1265
1266 }
1267
1268 if (max_cpus == 0) {
1269 max_cpus = smp_cpus;
1270 }
1271
1272 if (max_cpus > MAX_CPUMASK_BITS) {
1273 error_report("unsupported number of maxcpus");
1274 exit(1);
1275 }
1276 if (max_cpus < smp_cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392 #ifndef CONFIG_LINUX
1393 const char *p;
1394 #endif
1395
1396 if (!usb_enabled()) {
1397 return -1;
1398 }
1399
1400 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1401 dev = usbdevice_create(devname);
1402 if (dev)
1403 goto done;
1404
1405 /* the other ones */
1406 #ifndef CONFIG_LINUX
1407 /* only the linux version is qdev-ified, usb-bsd still needs this */
1408 if (strstart(devname, "host:", &p)) {
1409 dev = usb_host_device_open(usb_bus_find(-1), p);
1410 }
1411 #endif
1412 if (!dev)
1413 return -1;
1414
1415 done:
1416 return 0;
1417 }
1418
1419 static int usb_device_del(const char *devname)
1420 {
1421 int bus_num, addr;
1422 const char *p;
1423
1424 if (strstart(devname, "host:", &p)) {
1425 return -1;
1426 }
1427
1428 if (!usb_enabled()) {
1429 return -1;
1430 }
1431
1432 p = strchr(devname, '.');
1433 if (!p)
1434 return -1;
1435 bus_num = strtoul(devname, NULL, 0);
1436 addr = strtoul(p + 1, NULL, 0);
1437
1438 return usb_device_delete_addr(bus_num, addr);
1439 }
1440
1441 static int usb_parse(const char *cmdline)
1442 {
1443 int r;
1444 r = usb_device_add(cmdline);
1445 if (r < 0) {
1446 error_report("could not add USB device '%s'", cmdline);
1447 }
1448 return r;
1449 }
1450
1451 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_add(devname) < 0) {
1455 error_report("could not add USB device '%s'", devname);
1456 }
1457 }
1458
1459 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462 if (usb_device_del(devname) < 0) {
1463 error_report("could not delete USB device '%s'", devname);
1464 }
1465 }
1466
1467 /***********************************************************/
1468 /* machine registration */
1469
1470 MachineState *current_machine;
1471
1472 static MachineClass *find_machine(const char *name)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineClass *mc = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *temp = el->data;
1479
1480 if (!strcmp(temp->name, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 if (temp->alias &&
1485 !strcmp(temp->alias, name)) {
1486 mc = temp;
1487 break;
1488 }
1489 }
1490
1491 g_slist_free(machines);
1492 return mc;
1493 }
1494
1495 MachineClass *find_default_machine(void)
1496 {
1497 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1498 MachineClass *mc = NULL;
1499
1500 for (el = machines; el; el = el->next) {
1501 MachineClass *temp = el->data;
1502
1503 if (temp->is_default) {
1504 mc = temp;
1505 break;
1506 }
1507 }
1508
1509 g_slist_free(machines);
1510 return mc;
1511 }
1512
1513 MachineInfoList *qmp_query_machines(Error **errp)
1514 {
1515 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1516 MachineInfoList *mach_list = NULL;
1517
1518 for (el = machines; el; el = el->next) {
1519 MachineClass *mc = el->data;
1520 MachineInfoList *entry;
1521 MachineInfo *info;
1522
1523 info = g_malloc0(sizeof(*info));
1524 if (mc->is_default) {
1525 info->has_is_default = true;
1526 info->is_default = true;
1527 }
1528
1529 if (mc->alias) {
1530 info->has_alias = true;
1531 info->alias = g_strdup(mc->alias);
1532 }
1533
1534 info->name = g_strdup(mc->name);
1535 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1536
1537 entry = g_malloc0(sizeof(*entry));
1538 entry->value = info;
1539 entry->next = mach_list;
1540 mach_list = entry;
1541 }
1542
1543 g_slist_free(machines);
1544 return mach_list;
1545 }
1546
1547 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1548 {
1549 ObjectProperty *prop;
1550 ObjectPropertyIterator iter;
1551
1552 if (!qemu_opt_has_help_opt(opts)) {
1553 return 0;
1554 }
1555
1556 object_property_iter_init(&iter, OBJECT(machine));
1557 while ((prop = object_property_iter_next(&iter))) {
1558 if (!prop->set) {
1559 continue;
1560 }
1561
1562 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1563 prop->name, prop->type);
1564 if (prop->description) {
1565 error_printf(" (%s)\n", prop->description);
1566 } else {
1567 error_printf("\n");
1568 }
1569 }
1570
1571 return 1;
1572 }
1573
1574 /***********************************************************/
1575 /* main execution loop */
1576
1577 struct vm_change_state_entry {
1578 VMChangeStateHandler *cb;
1579 void *opaque;
1580 QLIST_ENTRY (vm_change_state_entry) entries;
1581 };
1582
1583 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1584
1585 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1586 void *opaque)
1587 {
1588 VMChangeStateEntry *e;
1589
1590 e = g_malloc0(sizeof (*e));
1591
1592 e->cb = cb;
1593 e->opaque = opaque;
1594 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1595 return e;
1596 }
1597
1598 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1599 {
1600 QLIST_REMOVE (e, entries);
1601 g_free (e);
1602 }
1603
1604 void vm_state_notify(int running, RunState state)
1605 {
1606 VMChangeStateEntry *e, *next;
1607
1608 trace_vm_state_notify(running, state);
1609
1610 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1611 e->cb(e->opaque, running, state);
1612 }
1613 }
1614
1615 /* reset/shutdown handler */
1616
1617 typedef struct QEMUResetEntry {
1618 QTAILQ_ENTRY(QEMUResetEntry) entry;
1619 QEMUResetHandler *func;
1620 void *opaque;
1621 } QEMUResetEntry;
1622
1623 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1624 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1625 static int reset_requested;
1626 static int shutdown_requested, shutdown_signal = -1;
1627 static pid_t shutdown_pid;
1628 static int powerdown_requested;
1629 static int debug_requested;
1630 static int suspend_requested;
1631 static WakeupReason wakeup_reason;
1632 static NotifierList powerdown_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1634 static NotifierList suspend_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1636 static NotifierList wakeup_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1638 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1639
1640 int qemu_shutdown_requested_get(void)
1641 {
1642 return shutdown_requested;
1643 }
1644
1645 int qemu_reset_requested_get(void)
1646 {
1647 return reset_requested;
1648 }
1649
1650 static int qemu_shutdown_requested(void)
1651 {
1652 return atomic_xchg(&shutdown_requested, 0);
1653 }
1654
1655 static void qemu_kill_report(void)
1656 {
1657 if (!qtest_driver() && shutdown_signal != -1) {
1658 if (shutdown_pid == 0) {
1659 /* This happens for eg ^C at the terminal, so it's worth
1660 * avoiding printing an odd message in that case.
1661 */
1662 error_report("terminating on signal %d", shutdown_signal);
1663 } else {
1664 error_report("terminating on signal %d from pid " FMT_pid,
1665 shutdown_signal, shutdown_pid);
1666 }
1667 shutdown_signal = -1;
1668 }
1669 }
1670
1671 static int qemu_reset_requested(void)
1672 {
1673 int r = reset_requested;
1674 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1675 reset_requested = 0;
1676 return r;
1677 }
1678 return false;
1679 }
1680
1681 static int qemu_suspend_requested(void)
1682 {
1683 int r = suspend_requested;
1684 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1685 suspend_requested = 0;
1686 return r;
1687 }
1688 return false;
1689 }
1690
1691 static WakeupReason qemu_wakeup_requested(void)
1692 {
1693 return wakeup_reason;
1694 }
1695
1696 static int qemu_powerdown_requested(void)
1697 {
1698 int r = powerdown_requested;
1699 powerdown_requested = 0;
1700 return r;
1701 }
1702
1703 static int qemu_debug_requested(void)
1704 {
1705 int r = debug_requested;
1706 debug_requested = 0;
1707 return r;
1708 }
1709
1710 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1713
1714 re->func = func;
1715 re->opaque = opaque;
1716 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1717 }
1718
1719 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1720 {
1721 QEMUResetEntry *re;
1722
1723 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1724 if (re->func == func && re->opaque == opaque) {
1725 QTAILQ_REMOVE(&reset_handlers, re, entry);
1726 g_free(re);
1727 return;
1728 }
1729 }
1730 }
1731
1732 void qemu_devices_reset(void)
1733 {
1734 QEMUResetEntry *re, *nre;
1735
1736 /* reset all devices */
1737 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1738 re->func(re->opaque);
1739 }
1740 }
1741
1742 void qemu_system_reset(bool report)
1743 {
1744 MachineClass *mc;
1745
1746 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1747
1748 if (mc && mc->reset) {
1749 mc->reset();
1750 } else {
1751 qemu_devices_reset();
1752 }
1753 if (report) {
1754 qapi_event_send_reset(&error_abort);
1755 }
1756 cpu_synchronize_all_post_reset();
1757 }
1758
1759 void qemu_system_guest_panicked(void)
1760 {
1761 if (current_cpu) {
1762 current_cpu->crash_occurred = true;
1763 }
1764 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1765 vm_stop(RUN_STATE_GUEST_PANICKED);
1766 }
1767
1768 void qemu_system_reset_request(void)
1769 {
1770 if (no_reboot) {
1771 shutdown_requested = 1;
1772 } else {
1773 reset_requested = 1;
1774 }
1775 cpu_stop_current();
1776 qemu_notify_event();
1777 }
1778
1779 static void qemu_system_suspend(void)
1780 {
1781 pause_all_vcpus();
1782 notifier_list_notify(&suspend_notifiers, NULL);
1783 runstate_set(RUN_STATE_SUSPENDED);
1784 qapi_event_send_suspend(&error_abort);
1785 }
1786
1787 void qemu_system_suspend_request(void)
1788 {
1789 if (runstate_check(RUN_STATE_SUSPENDED)) {
1790 return;
1791 }
1792 suspend_requested = 1;
1793 cpu_stop_current();
1794 qemu_notify_event();
1795 }
1796
1797 void qemu_register_suspend_notifier(Notifier *notifier)
1798 {
1799 notifier_list_add(&suspend_notifiers, notifier);
1800 }
1801
1802 void qemu_system_wakeup_request(WakeupReason reason)
1803 {
1804 trace_system_wakeup_request(reason);
1805
1806 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1807 return;
1808 }
1809 if (!(wakeup_reason_mask & (1 << reason))) {
1810 return;
1811 }
1812 runstate_set(RUN_STATE_RUNNING);
1813 wakeup_reason = reason;
1814 qemu_notify_event();
1815 }
1816
1817 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1818 {
1819 if (enabled) {
1820 wakeup_reason_mask |= (1 << reason);
1821 } else {
1822 wakeup_reason_mask &= ~(1 << reason);
1823 }
1824 }
1825
1826 void qemu_register_wakeup_notifier(Notifier *notifier)
1827 {
1828 notifier_list_add(&wakeup_notifiers, notifier);
1829 }
1830
1831 void qemu_system_killed(int signal, pid_t pid)
1832 {
1833 shutdown_signal = signal;
1834 shutdown_pid = pid;
1835 no_shutdown = 0;
1836
1837 /* Cannot call qemu_system_shutdown_request directly because
1838 * we are in a signal handler.
1839 */
1840 shutdown_requested = 1;
1841 qemu_notify_event();
1842 }
1843
1844 void qemu_system_shutdown_request(void)
1845 {
1846 trace_qemu_system_shutdown_request();
1847 replay_shutdown_request();
1848 shutdown_requested = 1;
1849 qemu_notify_event();
1850 }
1851
1852 static void qemu_system_powerdown(void)
1853 {
1854 qapi_event_send_powerdown(&error_abort);
1855 notifier_list_notify(&powerdown_notifiers, NULL);
1856 }
1857
1858 void qemu_system_powerdown_request(void)
1859 {
1860 trace_qemu_system_powerdown_request();
1861 powerdown_requested = 1;
1862 qemu_notify_event();
1863 }
1864
1865 void qemu_register_powerdown_notifier(Notifier *notifier)
1866 {
1867 notifier_list_add(&powerdown_notifiers, notifier);
1868 }
1869
1870 void qemu_system_debug_request(void)
1871 {
1872 debug_requested = 1;
1873 qemu_notify_event();
1874 }
1875
1876 static bool main_loop_should_exit(void)
1877 {
1878 RunState r;
1879 if (qemu_debug_requested()) {
1880 vm_stop(RUN_STATE_DEBUG);
1881 }
1882 if (qemu_suspend_requested()) {
1883 qemu_system_suspend();
1884 }
1885 if (qemu_shutdown_requested()) {
1886 qemu_kill_report();
1887 qapi_event_send_shutdown(&error_abort);
1888 if (no_shutdown) {
1889 vm_stop(RUN_STATE_SHUTDOWN);
1890 } else {
1891 return true;
1892 }
1893 }
1894 if (qemu_reset_requested()) {
1895 pause_all_vcpus();
1896 cpu_synchronize_all_states();
1897 qemu_system_reset(VMRESET_REPORT);
1898 resume_all_vcpus();
1899 if (!runstate_check(RUN_STATE_RUNNING) &&
1900 !runstate_check(RUN_STATE_INMIGRATE)) {
1901 runstate_set(RUN_STATE_PRELAUNCH);
1902 }
1903 }
1904 if (qemu_wakeup_requested()) {
1905 pause_all_vcpus();
1906 cpu_synchronize_all_states();
1907 qemu_system_reset(VMRESET_SILENT);
1908 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1909 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1910 resume_all_vcpus();
1911 qapi_event_send_wakeup(&error_abort);
1912 }
1913 if (qemu_powerdown_requested()) {
1914 qemu_system_powerdown();
1915 }
1916 if (qemu_vmstop_requested(&r)) {
1917 vm_stop(r);
1918 }
1919 return false;
1920 }
1921
1922 static void main_loop(void)
1923 {
1924 bool nonblocking;
1925 int last_io = 0;
1926 #ifdef CONFIG_PROFILER
1927 int64_t ti;
1928 #endif
1929 do {
1930 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1931 #ifdef CONFIG_PROFILER
1932 ti = profile_getclock();
1933 #endif
1934 last_io = main_loop_wait(nonblocking);
1935 #ifdef CONFIG_PROFILER
1936 dev_time += profile_getclock() - ti;
1937 #endif
1938 } while (!main_loop_should_exit());
1939 }
1940
1941 static void version(void)
1942 {
1943 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1944 }
1945
1946 static void help(int exitcode)
1947 {
1948 version();
1949 printf("usage: %s [options] [disk_image]\n\n"
1950 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1951 error_get_progname());
1952
1953 #define QEMU_OPTIONS_GENERATE_HELP
1954 #include "qemu-options-wrapper.h"
1955
1956 printf("\nDuring emulation, the following keys are useful:\n"
1957 "ctrl-alt-f toggle full screen\n"
1958 "ctrl-alt-n switch to virtual console 'n'\n"
1959 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "\n"
1961 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1962
1963 exit(exitcode);
1964 }
1965
1966 #define HAS_ARG 0x0001
1967
1968 typedef struct QEMUOption {
1969 const char *name;
1970 int flags;
1971 int index;
1972 uint32_t arch_mask;
1973 } QEMUOption;
1974
1975 static const QEMUOption qemu_options[] = {
1976 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1977 #define QEMU_OPTIONS_GENERATE_OPTIONS
1978 #include "qemu-options-wrapper.h"
1979 { NULL },
1980 };
1981
1982 static bool vga_available(void)
1983 {
1984 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1985 }
1986
1987 static bool cirrus_vga_available(void)
1988 {
1989 return object_class_by_name("cirrus-vga")
1990 || object_class_by_name("isa-cirrus-vga");
1991 }
1992
1993 static bool vmware_vga_available(void)
1994 {
1995 return object_class_by_name("vmware-svga");
1996 }
1997
1998 static bool qxl_vga_available(void)
1999 {
2000 return object_class_by_name("qxl-vga");
2001 }
2002
2003 static bool tcx_vga_available(void)
2004 {
2005 return object_class_by_name("SUNW,tcx");
2006 }
2007
2008 static bool cg3_vga_available(void)
2009 {
2010 return object_class_by_name("cgthree");
2011 }
2012
2013 static bool virtio_vga_available(void)
2014 {
2015 return object_class_by_name("virtio-vga");
2016 }
2017
2018 static void select_vgahw (const char *p)
2019 {
2020 const char *opts;
2021
2022 assert(vga_interface_type == VGA_NONE);
2023 if (strstart(p, "std", &opts)) {
2024 if (vga_available()) {
2025 vga_interface_type = VGA_STD;
2026 } else {
2027 error_report("standard VGA not available");
2028 exit(0);
2029 }
2030 } else if (strstart(p, "cirrus", &opts)) {
2031 if (cirrus_vga_available()) {
2032 vga_interface_type = VGA_CIRRUS;
2033 } else {
2034 error_report("Cirrus VGA not available");
2035 exit(0);
2036 }
2037 } else if (strstart(p, "vmware", &opts)) {
2038 if (vmware_vga_available()) {
2039 vga_interface_type = VGA_VMWARE;
2040 } else {
2041 error_report("VMWare SVGA not available");
2042 exit(0);
2043 }
2044 } else if (strstart(p, "virtio", &opts)) {
2045 if (virtio_vga_available()) {
2046 vga_interface_type = VGA_VIRTIO;
2047 } else {
2048 error_report("Virtio VGA not available");
2049 exit(0);
2050 }
2051 } else if (strstart(p, "xenfb", &opts)) {
2052 vga_interface_type = VGA_XENFB;
2053 } else if (strstart(p, "qxl", &opts)) {
2054 if (qxl_vga_available()) {
2055 vga_interface_type = VGA_QXL;
2056 } else {
2057 error_report("QXL VGA not available");
2058 exit(0);
2059 }
2060 } else if (strstart(p, "tcx", &opts)) {
2061 if (tcx_vga_available()) {
2062 vga_interface_type = VGA_TCX;
2063 } else {
2064 error_report("TCX framebuffer not available");
2065 exit(0);
2066 }
2067 } else if (strstart(p, "cg3", &opts)) {
2068 if (cg3_vga_available()) {
2069 vga_interface_type = VGA_CG3;
2070 } else {
2071 error_report("CG3 framebuffer not available");
2072 exit(0);
2073 }
2074 } else if (!strstart(p, "none", &opts)) {
2075 invalid_vga:
2076 error_report("unknown vga type: %s", p);
2077 exit(1);
2078 }
2079 while (*opts) {
2080 const char *nextopt;
2081
2082 if (strstart(opts, ",retrace=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "dumb", &nextopt))
2085 vga_retrace_method = VGA_RETRACE_DUMB;
2086 else if (strstart(opts, "precise", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_PRECISE;
2088 else goto invalid_vga;
2089 } else goto invalid_vga;
2090 opts = nextopt;
2091 }
2092 }
2093
2094 static DisplayType select_display(const char *p)
2095 {
2096 const char *opts;
2097 DisplayType display = DT_DEFAULT;
2098
2099 if (strstart(p, "sdl", &opts)) {
2100 #ifdef CONFIG_SDL
2101 display = DT_SDL;
2102 while (*opts) {
2103 const char *nextopt;
2104
2105 if (strstart(opts, ",frame=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 no_frame = 0;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 no_frame = 1;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 alt_grab = 1;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 alt_grab = 0;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 ctrl_grab = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 ctrl_grab = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",window_close=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 no_quit = 0;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 no_quit = 1;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else if (strstart(opts, ",gl=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 request_opengl = 1;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 request_opengl = 0;
2147 } else {
2148 goto invalid_sdl_args;
2149 }
2150 } else {
2151 invalid_sdl_args:
2152 error_report("invalid SDL option string");
2153 exit(1);
2154 }
2155 opts = nextopt;
2156 }
2157 #else
2158 error_report("SDL support is disabled");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "vnc", &opts)) {
2162 #ifdef CONFIG_VNC
2163 if (*opts == '=') {
2164 Error *err = NULL;
2165 if (vnc_parse(opts + 1, &err) == NULL) {
2166 error_report_err(err);
2167 exit(1);
2168 }
2169 } else {
2170 error_report("VNC requires a display argument vnc=<display>");
2171 exit(1);
2172 }
2173 #else
2174 error_report("VNC support is disabled");
2175 exit(1);
2176 #endif
2177 } else if (strstart(p, "curses", &opts)) {
2178 #ifdef CONFIG_CURSES
2179 display = DT_CURSES;
2180 #else
2181 error_report("curses support is disabled");
2182 exit(1);
2183 #endif
2184 } else if (strstart(p, "gtk", &opts)) {
2185 #ifdef CONFIG_GTK
2186 display = DT_GTK;
2187 while (*opts) {
2188 const char *nextopt;
2189
2190 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "on", &nextopt)) {
2193 grab_on_hover = true;
2194 } else if (strstart(opts, "off", &nextopt)) {
2195 grab_on_hover = false;
2196 } else {
2197 goto invalid_gtk_args;
2198 }
2199 } else if (strstart(opts, ",gl=", &nextopt)) {
2200 opts = nextopt;
2201 if (strstart(opts, "on", &nextopt)) {
2202 request_opengl = 1;
2203 } else if (strstart(opts, "off", &nextopt)) {
2204 request_opengl = 0;
2205 } else {
2206 goto invalid_gtk_args;
2207 }
2208 } else {
2209 invalid_gtk_args:
2210 error_report("invalid GTK option string");
2211 exit(1);
2212 }
2213 opts = nextopt;
2214 }
2215 #else
2216 error_report("GTK support is disabled");
2217 exit(1);
2218 #endif
2219 } else if (strstart(p, "none", &opts)) {
2220 display = DT_NONE;
2221 } else {
2222 error_report("unknown display type");
2223 exit(1);
2224 }
2225
2226 return display;
2227 }
2228
2229 static int balloon_parse(const char *arg)
2230 {
2231 QemuOpts *opts;
2232
2233 if (strcmp(arg, "none") == 0) {
2234 return 0;
2235 }
2236
2237 if (!strncmp(arg, "virtio", 6)) {
2238 if (arg[6] == ',') {
2239 /* have params -> parse them */
2240 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2241 false);
2242 if (!opts)
2243 return -1;
2244 } else {
2245 /* create empty opts */
2246 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2247 &error_abort);
2248 }
2249 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2250 return 0;
2251 }
2252
2253 return -1;
2254 }
2255
2256 char *qemu_find_file(int type, const char *name)
2257 {
2258 int i;
2259 const char *subdir;
2260 char *buf;
2261
2262 /* Try the name as a straight path first */
2263 if (access(name, R_OK) == 0) {
2264 trace_load_file(name, name);
2265 return g_strdup(name);
2266 }
2267
2268 switch (type) {
2269 case QEMU_FILE_TYPE_BIOS:
2270 subdir = "";
2271 break;
2272 case QEMU_FILE_TYPE_KEYMAP:
2273 subdir = "keymaps/";
2274 break;
2275 default:
2276 abort();
2277 }
2278
2279 for (i = 0; i < data_dir_idx; i++) {
2280 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2281 if (access(buf, R_OK) == 0) {
2282 trace_load_file(name, buf);
2283 return buf;
2284 }
2285 g_free(buf);
2286 }
2287 return NULL;
2288 }
2289
2290 static inline bool nonempty_str(const char *str)
2291 {
2292 return str && *str;
2293 }
2294
2295 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 gchar *buf;
2298 size_t size;
2299 const char *name, *file, *str;
2300
2301 if (opaque == NULL) {
2302 error_report("fw_cfg device not available");
2303 return -1;
2304 }
2305 name = qemu_opt_get(opts, "name");
2306 file = qemu_opt_get(opts, "file");
2307 str = qemu_opt_get(opts, "string");
2308
2309 /* we need name and either a file or the content string */
2310 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2311 error_report("invalid argument(s)");
2312 return -1;
2313 }
2314 if (nonempty_str(file) && nonempty_str(str)) {
2315 error_report("file and string are mutually exclusive");
2316 return -1;
2317 }
2318 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2319 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2320 return -1;
2321 }
2322 if (strncmp(name, "opt/", 4) != 0) {
2323 error_report("warning: externally provided fw_cfg item names "
2324 "should be prefixed with \"opt/\"");
2325 }
2326 if (nonempty_str(str)) {
2327 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2328 buf = g_memdup(str, size);
2329 } else {
2330 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2331 error_report("can't load %s", file);
2332 return -1;
2333 }
2334 }
2335 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2336 return 0;
2337 }
2338
2339 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2340 {
2341 return qdev_device_help(opts);
2342 }
2343
2344 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 Error *err = NULL;
2347 DeviceState *dev;
2348
2349 dev = qdev_device_add(opts, &err);
2350 if (!dev) {
2351 error_report_err(err);
2352 return -1;
2353 }
2354 object_unref(OBJECT(dev));
2355 return 0;
2356 }
2357
2358 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2359 {
2360 Error *local_err = NULL;
2361
2362 qemu_chr_new_from_opts(opts, NULL, &local_err);
2363 if (local_err) {
2364 error_report_err(local_err);
2365 return -1;
2366 }
2367 return 0;
2368 }
2369
2370 #ifdef CONFIG_VIRTFS
2371 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2372 {
2373 int ret;
2374 ret = qemu_fsdev_add(opts);
2375
2376 return ret;
2377 }
2378 #endif
2379
2380 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2381 {
2382 CharDriverState *chr;
2383 const char *chardev;
2384 const char *mode;
2385 int flags;
2386
2387 mode = qemu_opt_get(opts, "mode");
2388 if (mode == NULL) {
2389 mode = "readline";
2390 }
2391 if (strcmp(mode, "readline") == 0) {
2392 flags = MONITOR_USE_READLINE;
2393 } else if (strcmp(mode, "control") == 0) {
2394 flags = MONITOR_USE_CONTROL;
2395 } else {
2396 error_report("unknown monitor mode \"%s\"", mode);
2397 exit(1);
2398 }
2399
2400 if (qemu_opt_get_bool(opts, "pretty", 0))
2401 flags |= MONITOR_USE_PRETTY;
2402
2403 if (qemu_opt_get_bool(opts, "default", 0))
2404 flags |= MONITOR_IS_DEFAULT;
2405
2406 chardev = qemu_opt_get(opts, "chardev");
2407 chr = qemu_chr_find(chardev);
2408 if (chr == NULL) {
2409 error_report("chardev \"%s\" not found", chardev);
2410 exit(1);
2411 }
2412
2413 qemu_chr_fe_claim_no_fail(chr);
2414 monitor_init(chr, flags);
2415 return 0;
2416 }
2417
2418 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2419 {
2420 static int monitor_device_index = 0;
2421 Error *local_err = NULL;
2422 QemuOpts *opts;
2423 const char *p;
2424 char label[32];
2425 int def = 0;
2426
2427 if (strstart(optarg, "chardev:", &p)) {
2428 snprintf(label, sizeof(label), "%s", p);
2429 } else {
2430 snprintf(label, sizeof(label), "compat_monitor%d",
2431 monitor_device_index);
2432 if (monitor_device_index == 0) {
2433 def = 1;
2434 }
2435 opts = qemu_chr_parse_compat(label, optarg);
2436 if (!opts) {
2437 error_report("parse error: %s", optarg);
2438 exit(1);
2439 }
2440 }
2441
2442 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2443 if (!opts) {
2444 error_report_err(local_err);
2445 exit(1);
2446 }
2447 qemu_opt_set(opts, "mode", mode, &error_abort);
2448 qemu_opt_set(opts, "chardev", label, &error_abort);
2449 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2450 if (def)
2451 qemu_opt_set(opts, "default", "on", &error_abort);
2452 monitor_device_index++;
2453 }
2454
2455 struct device_config {
2456 enum {
2457 DEV_USB, /* -usbdevice */
2458 DEV_BT, /* -bt */
2459 DEV_SERIAL, /* -serial */
2460 DEV_PARALLEL, /* -parallel */
2461 DEV_VIRTCON, /* -virtioconsole */
2462 DEV_DEBUGCON, /* -debugcon */
2463 DEV_GDB, /* -gdb, -s */
2464 DEV_SCLP, /* s390 sclp */
2465 } type;
2466 const char *cmdline;
2467 Location loc;
2468 QTAILQ_ENTRY(device_config) next;
2469 };
2470
2471 static QTAILQ_HEAD(, device_config) device_configs =
2472 QTAILQ_HEAD_INITIALIZER(device_configs);
2473
2474 static void add_device_config(int type, const char *cmdline)
2475 {
2476 struct device_config *conf;
2477
2478 conf = g_malloc0(sizeof(*conf));
2479 conf->type = type;
2480 conf->cmdline = cmdline;
2481 loc_save(&conf->loc);
2482 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2483 }
2484
2485 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2486 {
2487 struct device_config *conf;
2488 int rc;
2489
2490 QTAILQ_FOREACH(conf, &device_configs, next) {
2491 if (conf->type != type)
2492 continue;
2493 loc_push_restore(&conf->loc);
2494 rc = func(conf->cmdline);
2495 loc_pop(&conf->loc);
2496 if (rc) {
2497 return rc;
2498 }
2499 }
2500 return 0;
2501 }
2502
2503 static int serial_parse(const char *devname)
2504 {
2505 static int index = 0;
2506 char label[32];
2507
2508 if (strcmp(devname, "none") == 0)
2509 return 0;
2510 if (index == MAX_SERIAL_PORTS) {
2511 error_report("too many serial ports");
2512 exit(1);
2513 }
2514 snprintf(label, sizeof(label), "serial%d", index);
2515 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2516 if (!serial_hds[index]) {
2517 error_report("could not connect serial device"
2518 " to character backend '%s'", devname);
2519 return -1;
2520 }
2521 index++;
2522 return 0;
2523 }
2524
2525 static int parallel_parse(const char *devname)
2526 {
2527 static int index = 0;
2528 char label[32];
2529
2530 if (strcmp(devname, "none") == 0)
2531 return 0;
2532 if (index == MAX_PARALLEL_PORTS) {
2533 error_report("too many parallel ports");
2534 exit(1);
2535 }
2536 snprintf(label, sizeof(label), "parallel%d", index);
2537 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2538 if (!parallel_hds[index]) {
2539 error_report("could not connect parallel device"
2540 " to character backend '%s'", devname);
2541 return -1;
2542 }
2543 index++;
2544 return 0;
2545 }
2546
2547 static int virtcon_parse(const char *devname)
2548 {
2549 QemuOptsList *device = qemu_find_opts("device");
2550 static int index = 0;
2551 char label[32];
2552 QemuOpts *bus_opts, *dev_opts;
2553
2554 if (strcmp(devname, "none") == 0)
2555 return 0;
2556 if (index == MAX_VIRTIO_CONSOLES) {
2557 error_report("too many virtio consoles");
2558 exit(1);
2559 }
2560
2561 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2562 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2563
2564 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2565 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2566
2567 snprintf(label, sizeof(label), "virtcon%d", index);
2568 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2569 if (!virtcon_hds[index]) {
2570 error_report("could not connect virtio console"
2571 " to character backend '%s'", devname);
2572 return -1;
2573 }
2574 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2575
2576 index++;
2577 return 0;
2578 }
2579
2580 static int sclp_parse(const char *devname)
2581 {
2582 QemuOptsList *device = qemu_find_opts("device");
2583 static int index = 0;
2584 char label[32];
2585 QemuOpts *dev_opts;
2586
2587 if (strcmp(devname, "none") == 0) {
2588 return 0;
2589 }
2590 if (index == MAX_SCLP_CONSOLES) {
2591 error_report("too many sclp consoles");
2592 exit(1);
2593 }
2594
2595 assert(arch_type == QEMU_ARCH_S390X);
2596
2597 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2598 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2599
2600 snprintf(label, sizeof(label), "sclpcon%d", index);
2601 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2602 if (!sclp_hds[index]) {
2603 error_report("could not connect sclp console"
2604 " to character backend '%s'", devname);
2605 return -1;
2606 }
2607 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2608
2609 index++;
2610 return 0;
2611 }
2612
2613 static int debugcon_parse(const char *devname)
2614 {
2615 QemuOpts *opts;
2616
2617 if (!qemu_chr_new("debugcon", devname, NULL)) {
2618 exit(1);
2619 }
2620 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2621 if (!opts) {
2622 error_report("already have a debugcon device");
2623 exit(1);
2624 }
2625 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2626 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2627 return 0;
2628 }
2629
2630 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2631 {
2632 const MachineClass *mc1 = a, *mc2 = b;
2633 int res;
2634
2635 if (mc1->family == NULL) {
2636 if (mc2->family == NULL) {
2637 /* Compare standalone machine types against each other; they sort
2638 * in increasing order.
2639 */
2640 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2641 object_class_get_name(OBJECT_CLASS(mc2)));
2642 }
2643
2644 /* Standalone machine types sort after families. */
2645 return 1;
2646 }
2647
2648 if (mc2->family == NULL) {
2649 /* Families sort before standalone machine types. */
2650 return -1;
2651 }
2652
2653 /* Families sort between each other alphabetically increasingly. */
2654 res = strcmp(mc1->family, mc2->family);
2655 if (res != 0) {
2656 return res;
2657 }
2658
2659 /* Within the same family, machine types sort in decreasing order. */
2660 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2661 object_class_get_name(OBJECT_CLASS(mc1)));
2662 }
2663
2664 static MachineClass *machine_parse(const char *name)
2665 {
2666 MachineClass *mc = NULL;
2667 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2668
2669 if (name) {
2670 mc = find_machine(name);
2671 }
2672 if (mc) {
2673 g_slist_free(machines);
2674 return mc;
2675 }
2676 if (name && !is_help_option(name)) {
2677 error_report("unsupported machine type");
2678 error_printf("Use -machine help to list supported machines\n");
2679 } else {
2680 printf("Supported machines are:\n");
2681 machines = g_slist_sort(machines, machine_class_cmp);
2682 for (el = machines; el; el = el->next) {
2683 MachineClass *mc = el->data;
2684 if (mc->alias) {
2685 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2686 }
2687 printf("%-20s %s%s\n", mc->name, mc->desc,
2688 mc->is_default ? " (default)" : "");
2689 }
2690 }
2691
2692 g_slist_free(machines);
2693 exit(!name || !is_help_option(name));
2694 }
2695
2696 void qemu_add_exit_notifier(Notifier *notify)
2697 {
2698 notifier_list_add(&exit_notifiers, notify);
2699 }
2700
2701 void qemu_remove_exit_notifier(Notifier *notify)
2702 {
2703 notifier_remove(notify);
2704 }
2705
2706 static void qemu_run_exit_notifiers(void)
2707 {
2708 notifier_list_notify(&exit_notifiers, NULL);
2709 }
2710
2711 static bool machine_init_done;
2712
2713 void qemu_add_machine_init_done_notifier(Notifier *notify)
2714 {
2715 notifier_list_add(&machine_init_done_notifiers, notify);
2716 if (machine_init_done) {
2717 notify->notify(notify, NULL);
2718 }
2719 }
2720
2721 static void qemu_run_machine_init_done_notifiers(void)
2722 {
2723 notifier_list_notify(&machine_init_done_notifiers, NULL);
2724 machine_init_done = true;
2725 }
2726
2727 static const QEMUOption *lookup_opt(int argc, char **argv,
2728 const char **poptarg, int *poptind)
2729 {
2730 const QEMUOption *popt;
2731 int optind = *poptind;
2732 char *r = argv[optind];
2733 const char *optarg;
2734
2735 loc_set_cmdline(argv, optind, 1);
2736 optind++;
2737 /* Treat --foo the same as -foo. */
2738 if (r[1] == '-')
2739 r++;
2740 popt = qemu_options;
2741 for(;;) {
2742 if (!popt->name) {
2743 error_report("invalid option");
2744 exit(1);
2745 }
2746 if (!strcmp(popt->name, r + 1))
2747 break;
2748 popt++;
2749 }
2750 if (popt->flags & HAS_ARG) {
2751 if (optind >= argc) {
2752 error_report("requires an argument");
2753 exit(1);
2754 }
2755 optarg = argv[optind++];
2756 loc_set_cmdline(argv, optind - 2, 2);
2757 } else {
2758 optarg = NULL;
2759 }
2760
2761 *poptarg = optarg;
2762 *poptind = optind;
2763
2764 return popt;
2765 }
2766
2767 static MachineClass *select_machine(void)
2768 {
2769 MachineClass *machine_class = find_default_machine();
2770 const char *optarg;
2771 QemuOpts *opts;
2772 Location loc;
2773
2774 loc_push_none(&loc);
2775
2776 opts = qemu_get_machine_opts();
2777 qemu_opts_loc_restore(opts);
2778
2779 optarg = qemu_opt_get(opts, "type");
2780 if (optarg) {
2781 machine_class = machine_parse(optarg);
2782 }
2783
2784 if (!machine_class) {
2785 error_report("No machine specified, and there is no default");
2786 error_printf("Use -machine help to list supported machines\n");
2787 exit(1);
2788 }
2789
2790 loc_pop(&loc);
2791 return machine_class;
2792 }
2793
2794 static int machine_set_property(void *opaque,
2795 const char *name, const char *value,
2796 Error **errp)
2797 {
2798 Object *obj = OBJECT(opaque);
2799 Error *local_err = NULL;
2800 char *c, *qom_name;
2801
2802 if (strcmp(name, "type") == 0) {
2803 return 0;
2804 }
2805
2806 qom_name = g_strdup(name);
2807 c = qom_name;
2808 while (*c++) {
2809 if (*c == '_') {
2810 *c = '-';
2811 }
2812 }
2813
2814 object_property_parse(obj, value, qom_name, &local_err);
2815 g_free(qom_name);
2816
2817 if (local_err) {
2818 error_report_err(local_err);
2819 return -1;
2820 }
2821
2822 return 0;
2823 }
2824
2825
2826 /*
2827 * Initial object creation happens before all other
2828 * QEMU data types are created. The majority of objects
2829 * can be created at this point. The rng-egd object
2830 * cannot be created here, as it depends on the chardev
2831 * already existing.
2832 */
2833 static bool object_create_initial(const char *type)
2834 {
2835 if (g_str_equal(type, "rng-egd")) {
2836 return false;
2837 }
2838
2839 /*
2840 * return false for concrete netfilters since
2841 * they depend on netdevs already existing
2842 */
2843 if (g_str_equal(type, "filter-buffer") ||
2844 g_str_equal(type, "filter-dump")) {
2845 return false;
2846 }
2847
2848 return true;
2849 }
2850
2851
2852 /*
2853 * The remainder of object creation happens after the
2854 * creation of chardev, fsdev, net clients and device data types.
2855 */
2856 static bool object_create_delayed(const char *type)
2857 {
2858 return !object_create_initial(type);
2859 }
2860
2861
2862 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2863 MachineClass *mc)
2864 {
2865 uint64_t sz;
2866 const char *mem_str;
2867 const char *maxmem_str, *slots_str;
2868 const ram_addr_t default_ram_size = mc->default_ram_size;
2869 QemuOpts *opts = qemu_find_opts_singleton("memory");
2870 Location loc;
2871
2872 loc_push_none(&loc);
2873 qemu_opts_loc_restore(opts);
2874
2875 sz = 0;
2876 mem_str = qemu_opt_get(opts, "size");
2877 if (mem_str) {
2878 if (!*mem_str) {
2879 error_report("missing 'size' option value");
2880 exit(EXIT_FAILURE);
2881 }
2882
2883 sz = qemu_opt_get_size(opts, "size", ram_size);
2884
2885 /* Fix up legacy suffix-less format */
2886 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2887 uint64_t overflow_check = sz;
2888
2889 sz <<= 20;
2890 if ((sz >> 20) != overflow_check) {
2891 error_report("too large 'size' option value");
2892 exit(EXIT_FAILURE);
2893 }
2894 }
2895 }
2896
2897 /* backward compatibility behaviour for case "-m 0" */
2898 if (sz == 0) {
2899 sz = default_ram_size;
2900 }
2901
2902 sz = QEMU_ALIGN_UP(sz, 8192);
2903 ram_size = sz;
2904 if (ram_size != sz) {
2905 error_report("ram size too large");
2906 exit(EXIT_FAILURE);
2907 }
2908
2909 /* store value for the future use */
2910 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2911 *maxram_size = ram_size;
2912
2913 maxmem_str = qemu_opt_get(opts, "maxmem");
2914 slots_str = qemu_opt_get(opts, "slots");
2915 if (maxmem_str && slots_str) {
2916 uint64_t slots;
2917
2918 sz = qemu_opt_get_size(opts, "maxmem", 0);
2919 slots = qemu_opt_get_number(opts, "slots", 0);
2920 if (sz < ram_size) {
2921 error_report("invalid value of -m option maxmem: "
2922 "maximum memory size (0x%" PRIx64 ") must be at least "
2923 "the initial memory size (0x" RAM_ADDR_FMT ")",
2924 sz, ram_size);
2925 exit(EXIT_FAILURE);
2926 } else if (sz > ram_size) {
2927 if (!slots) {
2928 error_report("invalid value of -m option: maxmem was "
2929 "specified, but no hotplug slots were specified");
2930 exit(EXIT_FAILURE);
2931 }
2932 } else if (slots) {
2933 error_report("invalid value of -m option maxmem: "
2934 "memory slots were specified but maximum memory size "
2935 "(0x%" PRIx64 ") is equal to the initial memory size "
2936 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2937 exit(EXIT_FAILURE);
2938 }
2939
2940 *maxram_size = sz;
2941 *ram_slots = slots;
2942 } else if ((!maxmem_str && slots_str) ||
2943 (maxmem_str && !slots_str)) {
2944 error_report("invalid -m option value: missing "
2945 "'%s' option", slots_str ? "maxmem" : "slots");
2946 exit(EXIT_FAILURE);
2947 }
2948
2949 loc_pop(&loc);
2950 }
2951
2952 int main(int argc, char **argv, char **envp)
2953 {
2954 int i;
2955 int snapshot, linux_boot;
2956 const char *initrd_filename;
2957 const char *kernel_filename, *kernel_cmdline;
2958 const char *boot_order = NULL;
2959 const char *boot_once = NULL;
2960 DisplayState *ds;
2961 int cyls, heads, secs, translation;
2962 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2963 QemuOptsList *olist;
2964 int optind;
2965 const char *optarg;
2966 const char *loadvm = NULL;
2967 MachineClass *machine_class;
2968 const char *cpu_model;
2969 const char *vga_model = NULL;
2970 const char *qtest_chrdev = NULL;
2971 const char *qtest_log = NULL;
2972 const char *pid_file = NULL;
2973 const char *incoming = NULL;
2974 #ifdef CONFIG_VNC
2975 int show_vnc_port = 0;
2976 #endif
2977 bool defconfig = true;
2978 bool userconfig = true;
2979 const char *log_mask = NULL;
2980 const char *log_file = NULL;
2981 char *trace_file = NULL;
2982 ram_addr_t maxram_size;
2983 uint64_t ram_slots = 0;
2984 FILE *vmstate_dump_file = NULL;
2985 Error *main_loop_err = NULL;
2986 Error *err = NULL;
2987
2988 qemu_init_cpu_loop();
2989 qemu_mutex_lock_iothread();
2990
2991 atexit(qemu_run_exit_notifiers);
2992 error_set_progname(argv[0]);
2993 qemu_init_exec_dir(argv[0]);
2994
2995 module_call_init(MODULE_INIT_QOM);
2996
2997 qemu_add_opts(&qemu_drive_opts);
2998 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2999 qemu_add_drive_opts(&qemu_common_drive_opts);
3000 qemu_add_drive_opts(&qemu_drive_opts);
3001 qemu_add_opts(&qemu_chardev_opts);
3002 qemu_add_opts(&qemu_device_opts);
3003 qemu_add_opts(&qemu_netdev_opts);
3004 qemu_add_opts(&qemu_net_opts);
3005 qemu_add_opts(&qemu_rtc_opts);
3006 qemu_add_opts(&qemu_global_opts);
3007 qemu_add_opts(&qemu_mon_opts);
3008 qemu_add_opts(&qemu_trace_opts);
3009 qemu_add_opts(&qemu_option_rom_opts);
3010 qemu_add_opts(&qemu_machine_opts);
3011 qemu_add_opts(&qemu_mem_opts);
3012 qemu_add_opts(&qemu_smp_opts);
3013 qemu_add_opts(&qemu_boot_opts);
3014 qemu_add_opts(&qemu_sandbox_opts);
3015 qemu_add_opts(&qemu_add_fd_opts);
3016 qemu_add_opts(&qemu_object_opts);
3017 qemu_add_opts(&qemu_tpmdev_opts);
3018 qemu_add_opts(&qemu_realtime_opts);
3019 qemu_add_opts(&qemu_msg_opts);
3020 qemu_add_opts(&qemu_name_opts);
3021 qemu_add_opts(&qemu_numa_opts);
3022 qemu_add_opts(&qemu_icount_opts);
3023 qemu_add_opts(&qemu_semihosting_config_opts);
3024 qemu_add_opts(&qemu_fw_cfg_opts);
3025 module_call_init(MODULE_INIT_OPTS);
3026
3027 runstate_init();
3028
3029 if (qcrypto_init(&err) < 0) {
3030 error_reportf_err(err, "cannot initialize crypto: ");
3031 exit(1);
3032 }
3033 rtc_clock = QEMU_CLOCK_HOST;
3034
3035 QLIST_INIT (&vm_change_state_head);
3036 os_setup_early_signal_handling();
3037
3038 cpu_model = NULL;
3039 snapshot = 0;
3040 cyls = heads = secs = 0;
3041 translation = BIOS_ATA_TRANSLATION_AUTO;
3042
3043 nb_nics = 0;
3044
3045 bdrv_init_with_whitelist();
3046
3047 autostart = 1;
3048
3049 /* first pass of option parsing */
3050 optind = 1;
3051 while (optind < argc) {
3052 if (argv[optind][0] != '-') {
3053 /* disk image */
3054 optind++;
3055 } else {
3056 const QEMUOption *popt;
3057
3058 popt = lookup_opt(argc, argv, &optarg, &optind);
3059 switch (popt->index) {
3060 case QEMU_OPTION_nodefconfig:
3061 defconfig = false;
3062 break;
3063 case QEMU_OPTION_nouserconfig:
3064 userconfig = false;
3065 break;
3066 }
3067 }
3068 }
3069
3070 if (defconfig) {
3071 int ret;
3072 ret = qemu_read_default_config_files(userconfig);
3073 if (ret < 0) {
3074 exit(1);
3075 }
3076 }
3077
3078 /* second pass of option parsing */
3079 optind = 1;
3080 for(;;) {
3081 if (optind >= argc)
3082 break;
3083 if (argv[optind][0] != '-') {
3084 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3085 } else {
3086 const QEMUOption *popt;
3087
3088 popt = lookup_opt(argc, argv, &optarg, &optind);
3089 if (!(popt->arch_mask & arch_type)) {
3090 printf("Option %s not supported for this target\n", popt->name);
3091 exit(1);
3092 }
3093 switch(popt->index) {
3094 case QEMU_OPTION_no_kvm_irqchip: {
3095 olist = qemu_find_opts("machine");
3096 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3097 break;
3098 }
3099 case QEMU_OPTION_cpu:
3100 /* hw initialization will check this */
3101 cpu_model = optarg;
3102 break;
3103 case QEMU_OPTION_hda:
3104 {
3105 char buf[256];
3106 if (cyls == 0)
3107 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3108 else
3109 snprintf(buf, sizeof(buf),
3110 "%s,cyls=%d,heads=%d,secs=%d%s",
3111 HD_OPTS , cyls, heads, secs,
3112 translation == BIOS_ATA_TRANSLATION_LBA ?
3113 ",trans=lba" :
3114 translation == BIOS_ATA_TRANSLATION_NONE ?
3115 ",trans=none" : "");
3116 drive_add(IF_DEFAULT, 0, optarg, buf);
3117 break;
3118 }
3119 case QEMU_OPTION_hdb:
3120 case QEMU_OPTION_hdc:
3121 case QEMU_OPTION_hdd:
3122 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3123 HD_OPTS);
3124 break;
3125 case QEMU_OPTION_drive:
3126 if (drive_def(optarg) == NULL) {
3127 exit(1);
3128 }
3129 break;
3130 case QEMU_OPTION_set:
3131 if (qemu_set_option(optarg) != 0)
3132 exit(1);
3133 break;
3134 case QEMU_OPTION_global:
3135 if (qemu_global_option(optarg) != 0)
3136 exit(1);
3137 break;
3138 case QEMU_OPTION_mtdblock:
3139 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3140 break;
3141 case QEMU_OPTION_sd:
3142 drive_add(IF_SD, -1, optarg, SD_OPTS);
3143 break;
3144 case QEMU_OPTION_pflash:
3145 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3146 break;
3147 case QEMU_OPTION_snapshot:
3148 snapshot = 1;
3149 break;
3150 case QEMU_OPTION_hdachs:
3151 {
3152 const char *p;
3153 p = optarg;
3154 cyls = strtol(p, (char **)&p, 0);
3155 if (cyls < 1 || cyls > 16383)
3156 goto chs_fail;
3157 if (*p != ',')
3158 goto chs_fail;
3159 p++;
3160 heads = strtol(p, (char **)&p, 0);
3161 if (heads < 1 || heads > 16)
3162 goto chs_fail;
3163 if (*p != ',')
3164 goto chs_fail;
3165 p++;
3166 secs = strtol(p, (char **)&p, 0);
3167 if (secs < 1 || secs > 63)
3168 goto chs_fail;
3169 if (*p == ',') {
3170 p++;
3171 if (!strcmp(p, "large")) {
3172 translation = BIOS_ATA_TRANSLATION_LARGE;
3173 } else if (!strcmp(p, "rechs")) {
3174 translation = BIOS_ATA_TRANSLATION_RECHS;
3175 } else if (!strcmp(p, "none")) {
3176 translation = BIOS_ATA_TRANSLATION_NONE;
3177 } else if (!strcmp(p, "lba")) {
3178 translation = BIOS_ATA_TRANSLATION_LBA;
3179 } else if (!strcmp(p, "auto")) {
3180 translation = BIOS_ATA_TRANSLATION_AUTO;
3181 } else {
3182 goto chs_fail;
3183 }
3184 } else if (*p != '\0') {
3185 chs_fail:
3186 error_report("invalid physical CHS format");
3187 exit(1);
3188 }
3189 if (hda_opts != NULL) {
3190 qemu_opt_set_number(hda_opts, "cyls", cyls,
3191 &error_abort);
3192 qemu_opt_set_number(hda_opts, "heads", heads,
3193 &error_abort);
3194 qemu_opt_set_number(hda_opts, "secs", secs,
3195 &error_abort);
3196 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3197 qemu_opt_set(hda_opts, "trans", "large",
3198 &error_abort);
3199 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3200 qemu_opt_set(hda_opts, "trans", "rechs",
3201 &error_abort);
3202 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3203 qemu_opt_set(hda_opts, "trans", "lba",
3204 &error_abort);
3205 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3206 qemu_opt_set(hda_opts, "trans", "none",
3207 &error_abort);
3208 }
3209 }
3210 }
3211 break;
3212 case QEMU_OPTION_numa:
3213 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3214 optarg, true);
3215 if (!opts) {
3216 exit(1);
3217 }
3218 break;
3219 case QEMU_OPTION_display:
3220 display_type = select_display(optarg);
3221 break;
3222 case QEMU_OPTION_nographic:
3223 display_type = DT_NOGRAPHIC;
3224 break;
3225 case QEMU_OPTION_curses:
3226 #ifdef CONFIG_CURSES
3227 display_type = DT_CURSES;
3228 #else
3229 error_report("curses support is disabled");
3230 exit(1);
3231 #endif
3232 break;
3233 case QEMU_OPTION_portrait:
3234 graphic_rotate = 90;
3235 break;
3236 case QEMU_OPTION_rotate:
3237 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3238 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3239 graphic_rotate != 180 && graphic_rotate != 270) {
3240 error_report("only 90, 180, 270 deg rotation is available");
3241 exit(1);
3242 }
3243 break;
3244 case QEMU_OPTION_kernel:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_initrd:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3250 &error_abort);
3251 break;
3252 case QEMU_OPTION_append:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3254 &error_abort);
3255 break;
3256 case QEMU_OPTION_dtb:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3258 &error_abort);
3259 break;
3260 case QEMU_OPTION_cdrom:
3261 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3262 break;
3263 case QEMU_OPTION_boot:
3264 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3265 optarg, true);
3266 if (!opts) {
3267 exit(1);
3268 }
3269 break;
3270 case QEMU_OPTION_fda:
3271 case QEMU_OPTION_fdb:
3272 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3273 optarg, FD_OPTS);
3274 break;
3275 case QEMU_OPTION_no_fd_bootchk:
3276 fd_bootchk = 0;
3277 break;
3278 case QEMU_OPTION_netdev:
3279 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_net:
3284 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3285 exit(1);
3286 }
3287 break;
3288 #ifdef CONFIG_LIBISCSI
3289 case QEMU_OPTION_iscsi:
3290 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3291 optarg, false);
3292 if (!opts) {
3293 exit(1);
3294 }
3295 break;
3296 #endif
3297 #ifdef CONFIG_SLIRP
3298 case QEMU_OPTION_tftp:
3299 error_report("The -tftp option is deprecated. "
3300 "Please use '-netdev user,tftp=...' instead.");
3301 legacy_tftp_prefix = optarg;
3302 break;
3303 case QEMU_OPTION_bootp:
3304 error_report("The -bootp option is deprecated. "
3305 "Please use '-netdev user,bootfile=...' instead.");
3306 legacy_bootp_filename = optarg;
3307 break;
3308 case QEMU_OPTION_redir:
3309 error_report("The -redir option is deprecated. "
3310 "Please use '-netdev user,hostfwd=...' instead.");
3311 if (net_slirp_redir(optarg) < 0)
3312 exit(1);
3313 break;
3314 #endif
3315 case QEMU_OPTION_bt:
3316 add_device_config(DEV_BT, optarg);
3317 break;
3318 case QEMU_OPTION_audio_help:
3319 AUD_help ();
3320 exit (0);
3321 break;
3322 case QEMU_OPTION_soundhw:
3323 select_soundhw (optarg);
3324 break;
3325 case QEMU_OPTION_h:
3326 help(0);
3327 break;
3328 case QEMU_OPTION_version:
3329 version();
3330 exit(0);
3331 break;
3332 case QEMU_OPTION_m:
3333 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3334 optarg, true);
3335 if (!opts) {
3336 exit(EXIT_FAILURE);
3337 }
3338 break;
3339 #ifdef CONFIG_TPM
3340 case QEMU_OPTION_tpmdev:
3341 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3342 exit(1);
3343 }
3344 break;
3345 #endif
3346 case QEMU_OPTION_mempath:
3347 mem_path = optarg;
3348 break;
3349 case QEMU_OPTION_mem_prealloc:
3350 mem_prealloc = 1;
3351 break;
3352 case QEMU_OPTION_d:
3353 log_mask = optarg;
3354 break;
3355 case QEMU_OPTION_D:
3356 log_file = optarg;
3357 break;
3358 case QEMU_OPTION_DFILTER:
3359 qemu_set_dfilter_ranges(optarg);
3360 break;
3361 case QEMU_OPTION_s:
3362 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3363 break;
3364 case QEMU_OPTION_gdb:
3365 add_device_config(DEV_GDB, optarg);
3366 break;
3367 case QEMU_OPTION_L:
3368 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3369 data_dir[data_dir_idx++] = optarg;
3370 }
3371 break;
3372 case QEMU_OPTION_bios:
3373 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3374 &error_abort);
3375 break;
3376 case QEMU_OPTION_singlestep:
3377 singlestep = 1;
3378 break;
3379 case QEMU_OPTION_S:
3380 autostart = 0;
3381 break;
3382 case QEMU_OPTION_k:
3383 keyboard_layout = optarg;
3384 break;
3385 case QEMU_OPTION_localtime:
3386 rtc_utc = 0;
3387 break;
3388 case QEMU_OPTION_vga:
3389 vga_model = optarg;
3390 default_vga = 0;
3391 break;
3392 case QEMU_OPTION_g:
3393 {
3394 const char *p;
3395 int w, h, depth;
3396 p = optarg;
3397 w = strtol(p, (char **)&p, 10);
3398 if (w <= 0) {
3399 graphic_error:
3400 error_report("invalid resolution or depth");
3401 exit(1);
3402 }
3403 if (*p != 'x')
3404 goto graphic_error;
3405 p++;
3406 h = strtol(p, (char **)&p, 10);
3407 if (h <= 0)
3408 goto graphic_error;
3409 if (*p == 'x') {
3410 p++;
3411 depth = strtol(p, (char **)&p, 10);
3412 if (depth != 8 && depth != 15 && depth != 16 &&
3413 depth != 24 && depth != 32)
3414 goto graphic_error;
3415 } else if (*p == '\0') {
3416 depth = graphic_depth;
3417 } else {
3418 goto graphic_error;
3419 }
3420
3421 graphic_width = w;
3422 graphic_height = h;
3423 graphic_depth = depth;
3424 }
3425 break;
3426 case QEMU_OPTION_echr:
3427 {
3428 char *r;
3429 term_escape_char = strtol(optarg, &r, 0);
3430 if (r == optarg)
3431 printf("Bad argument to echr\n");
3432 break;
3433 }
3434 case QEMU_OPTION_monitor:
3435 default_monitor = 0;
3436 if (strncmp(optarg, "none", 4)) {
3437 monitor_parse(optarg, "readline", false);
3438 }
3439 break;
3440 case QEMU_OPTION_qmp:
3441 monitor_parse(optarg, "control", false);
3442 default_monitor = 0;
3443 break;
3444 case QEMU_OPTION_qmp_pretty:
3445 monitor_parse(optarg, "control", true);
3446 default_monitor = 0;
3447 break;
3448 case QEMU_OPTION_mon:
3449 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3450 true);
3451 if (!opts) {
3452 exit(1);
3453 }
3454 default_monitor = 0;
3455 break;
3456 case QEMU_OPTION_chardev:
3457 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3458 optarg, true);
3459 if (!opts) {
3460 exit(1);
3461 }
3462 break;
3463 case QEMU_OPTION_fsdev:
3464 olist = qemu_find_opts("fsdev");
3465 if (!olist) {
3466 error_report("fsdev support is disabled");
3467 exit(1);
3468 }
3469 opts = qemu_opts_parse_noisily(olist, optarg, true);
3470 if (!opts) {
3471 exit(1);
3472 }
3473 break;
3474 case QEMU_OPTION_virtfs: {
3475 QemuOpts *fsdev;
3476 QemuOpts *device;
3477 const char *writeout, *sock_fd, *socket;
3478
3479 olist = qemu_find_opts("virtfs");
3480 if (!olist) {
3481 error_report("virtfs support is disabled");
3482 exit(1);
3483 }
3484 opts = qemu_opts_parse_noisily(olist, optarg, true);
3485 if (!opts) {
3486 exit(1);
3487 }
3488
3489 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3490 qemu_opt_get(opts, "mount_tag") == NULL) {
3491 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3492 exit(1);
3493 }
3494 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3495 qemu_opt_get(opts, "mount_tag"),
3496 1, NULL);
3497 if (!fsdev) {
3498 error_report("duplicate fsdev id: %s",
3499 qemu_opt_get(opts, "mount_tag"));
3500 exit(1);
3501 }
3502
3503 writeout = qemu_opt_get(opts, "writeout");
3504 if (writeout) {
3505 #ifdef CONFIG_SYNC_FILE_RANGE
3506 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3507 #else
3508 error_report("writeout=immediate not supported "
3509 "on this platform");
3510 exit(1);
3511 #endif
3512 }
3513 qemu_opt_set(fsdev, "fsdriver",
3514 qemu_opt_get(opts, "fsdriver"), &error_abort);
3515 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3516 &error_abort);
3517 qemu_opt_set(fsdev, "security_model",
3518 qemu_opt_get(opts, "security_model"),
3519 &error_abort);
3520 socket = qemu_opt_get(opts, "socket");
3521 if (socket) {
3522 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3523 }
3524 sock_fd = qemu_opt_get(opts, "sock_fd");
3525 if (sock_fd) {
3526 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3527 }
3528
3529 qemu_opt_set_bool(fsdev, "readonly",
3530 qemu_opt_get_bool(opts, "readonly", 0),
3531 &error_abort);
3532 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3533 &error_abort);
3534 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3535 qemu_opt_set(device, "fsdev",
3536 qemu_opt_get(opts, "mount_tag"), &error_abort);
3537 qemu_opt_set(device, "mount_tag",
3538 qemu_opt_get(opts, "mount_tag"), &error_abort);
3539 break;
3540 }
3541 case QEMU_OPTION_virtfs_synth: {
3542 QemuOpts *fsdev;
3543 QemuOpts *device;
3544
3545 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3546 1, NULL);
3547 if (!fsdev) {
3548 error_report("duplicate option: %s", "virtfs_synth");
3549 exit(1);
3550 }
3551 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3552
3553 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3554 &error_abort);
3555 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3556 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3557 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3558 break;
3559 }
3560 case QEMU_OPTION_serial:
3561 add_device_config(DEV_SERIAL, optarg);
3562 default_serial = 0;
3563 if (strncmp(optarg, "mon:", 4) == 0) {
3564 default_monitor = 0;
3565 }
3566 break;
3567 case QEMU_OPTION_watchdog:
3568 if (watchdog) {
3569 error_report("only one watchdog option may be given");
3570 return 1;
3571 }
3572 watchdog = optarg;
3573 break;
3574 case QEMU_OPTION_watchdog_action:
3575 if (select_watchdog_action(optarg) == -1) {
3576 error_report("unknown -watchdog-action parameter");
3577 exit(1);
3578 }
3579 break;
3580 case QEMU_OPTION_virtiocon:
3581 add_device_config(DEV_VIRTCON, optarg);
3582 default_virtcon = 0;
3583 if (strncmp(optarg, "mon:", 4) == 0) {
3584 default_monitor = 0;
3585 }
3586 break;
3587 case QEMU_OPTION_parallel:
3588 add_device_config(DEV_PARALLEL, optarg);
3589 default_parallel = 0;
3590 if (strncmp(optarg, "mon:", 4) == 0) {
3591 default_monitor = 0;
3592 }
3593 break;
3594 case QEMU_OPTION_debugcon:
3595 add_device_config(DEV_DEBUGCON, optarg);
3596 break;
3597 case QEMU_OPTION_loadvm:
3598 loadvm = optarg;
3599 break;
3600 case QEMU_OPTION_full_screen:
3601 full_screen = 1;
3602 break;
3603 case QEMU_OPTION_no_frame:
3604 no_frame = 1;
3605 break;
3606 case QEMU_OPTION_alt_grab:
3607 alt_grab = 1;
3608 break;
3609 case QEMU_OPTION_ctrl_grab:
3610 ctrl_grab = 1;
3611 break;
3612 case QEMU_OPTION_no_quit:
3613 no_quit = 1;
3614 break;
3615 case QEMU_OPTION_sdl:
3616 #ifdef CONFIG_SDL
3617 display_type = DT_SDL;
3618 break;
3619 #else
3620 error_report("SDL support is disabled");
3621 exit(1);
3622 #endif
3623 case QEMU_OPTION_pidfile:
3624 pid_file = optarg;
3625 break;
3626 case QEMU_OPTION_win2k_hack:
3627 win2k_install_hack = 1;
3628 break;
3629 case QEMU_OPTION_rtc_td_hack: {
3630 static GlobalProperty slew_lost_ticks[] = {
3631 {
3632 .driver = "mc146818rtc",
3633 .property = "lost_tick_policy",
3634 .value = "slew",
3635 },
3636 { /* end of list */ }
3637 };
3638
3639 qdev_prop_register_global_list(slew_lost_ticks);
3640 break;
3641 }
3642 case QEMU_OPTION_acpitable:
3643 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3644 optarg, true);
3645 if (!opts) {
3646 exit(1);
3647 }
3648 do_acpitable_option(opts);
3649 break;
3650 case QEMU_OPTION_smbios:
3651 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3652 optarg, false);
3653 if (!opts) {
3654 exit(1);
3655 }
3656 do_smbios_option(opts);
3657 break;
3658 case QEMU_OPTION_fwcfg:
3659 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3660 optarg, true);
3661 if (opts == NULL) {
3662 exit(1);
3663 }
3664 break;
3665 case QEMU_OPTION_enable_kvm:
3666 olist = qemu_find_opts("machine");
3667 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3668 break;
3669 case QEMU_OPTION_M:
3670 case QEMU_OPTION_machine:
3671 olist = qemu_find_opts("machine");
3672 opts = qemu_opts_parse_noisily(olist, optarg, true);
3673 if (!opts) {
3674 exit(1);
3675 }
3676 break;
3677 case QEMU_OPTION_no_kvm:
3678 olist = qemu_find_opts("machine");
3679 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3680 break;
3681 case QEMU_OPTION_no_kvm_pit: {
3682 error_report("warning: ignoring deprecated option");
3683 break;
3684 }
3685 case QEMU_OPTION_no_kvm_pit_reinjection: {
3686 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3687 {
3688 .driver = "kvm-pit",
3689 .property = "lost_tick_policy",
3690 .value = "discard",
3691 },
3692 { /* end of list */ }
3693 };
3694
3695 error_report("warning: deprecated, replaced by "
3696 "-global kvm-pit.lost_tick_policy=discard");
3697 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3698 break;
3699 }
3700 case QEMU_OPTION_usb:
3701 olist = qemu_find_opts("machine");
3702 qemu_opts_parse_noisily(olist, "usb=on", false);
3703 break;
3704 case QEMU_OPTION_usbdevice:
3705 olist = qemu_find_opts("machine");
3706 qemu_opts_parse_noisily(olist, "usb=on", false);
3707 add_device_config(DEV_USB, optarg);
3708 break;
3709 case QEMU_OPTION_device:
3710 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3711 optarg, true)) {
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_smp:
3716 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3717 optarg, true)) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_vnc:
3722 {
3723 #ifdef CONFIG_VNC
3724 Error *local_err = NULL;
3725
3726 if (vnc_parse(optarg, &local_err) == NULL) {
3727 error_report_err(local_err);
3728 exit(1);
3729 }
3730 #else
3731 error_report("VNC support is disabled");
3732 exit(1);
3733 #endif
3734 break;
3735 }
3736 case QEMU_OPTION_no_acpi:
3737 acpi_enabled = 0;
3738 break;
3739 case QEMU_OPTION_no_hpet:
3740 no_hpet = 1;
3741 break;
3742 case QEMU_OPTION_balloon:
3743 if (balloon_parse(optarg) < 0) {
3744 error_report("unknown -balloon argument %s", optarg);
3745 exit(1);
3746 }
3747 break;
3748 case QEMU_OPTION_no_reboot:
3749 no_reboot = 1;
3750 break;
3751 case QEMU_OPTION_no_shutdown:
3752 no_shutdown = 1;
3753 break;
3754 case QEMU_OPTION_show_cursor:
3755 cursor_hide = 0;
3756 break;
3757 case QEMU_OPTION_uuid:
3758 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3759 error_report("failed to parse UUID string: wrong format");
3760 exit(1);
3761 }
3762 qemu_uuid_set = true;
3763 break;
3764 case QEMU_OPTION_option_rom:
3765 if (nb_option_roms >= MAX_OPTION_ROMS) {
3766 error_report("too many option ROMs");
3767 exit(1);
3768 }
3769 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3770 optarg, true);
3771 if (!opts) {
3772 exit(1);
3773 }
3774 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3775 option_rom[nb_option_roms].bootindex =
3776 qemu_opt_get_number(opts, "bootindex", -1);
3777 if (!option_rom[nb_option_roms].name) {
3778 error_report("Option ROM file is not specified");
3779 exit(1);
3780 }
3781 nb_option_roms++;
3782 break;
3783 case QEMU_OPTION_semihosting:
3784 semihosting.enabled = true;
3785 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3786 break;
3787 case QEMU_OPTION_semihosting_config:
3788 semihosting.enabled = true;
3789 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3790 optarg, false);
3791 if (opts != NULL) {
3792 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3793 true);
3794 const char *target = qemu_opt_get(opts, "target");
3795 if (target != NULL) {
3796 if (strcmp("native", target) == 0) {
3797 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3798 } else if (strcmp("gdb", target) == 0) {
3799 semihosting.target = SEMIHOSTING_TARGET_GDB;
3800 } else if (strcmp("auto", target) == 0) {
3801 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3802 } else {
3803 error_report("unsupported semihosting-config %s",
3804 optarg);
3805 exit(1);
3806 }
3807 } else {
3808 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3809 }
3810 /* Set semihosting argument count and vector */
3811 qemu_opt_foreach(opts, add_semihosting_arg,
3812 &semihosting, NULL);
3813 } else {
3814 error_report("unsupported semihosting-config %s", optarg);
3815 exit(1);
3816 }
3817 break;
3818 case QEMU_OPTION_tdf:
3819 error_report("warning: ignoring deprecated option");
3820 break;
3821 case QEMU_OPTION_name:
3822 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3823 optarg, true);
3824 if (!opts) {
3825 exit(1);
3826 }
3827 break;
3828 case QEMU_OPTION_prom_env:
3829 if (nb_prom_envs >= MAX_PROM_ENVS) {
3830 error_report("too many prom variables");
3831 exit(1);
3832 }
3833 prom_envs[nb_prom_envs] = optarg;
3834 nb_prom_envs++;
3835 break;
3836 case QEMU_OPTION_old_param:
3837 old_param = 1;
3838 break;
3839 case QEMU_OPTION_clock:
3840 /* Clock options no longer exist. Keep this option for
3841 * backward compatibility.
3842 */
3843 break;
3844 case QEMU_OPTION_startdate:
3845 configure_rtc_date_offset(optarg, 1);
3846 break;
3847 case QEMU_OPTION_rtc:
3848 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3849 false);
3850 if (!opts) {
3851 exit(1);
3852 }
3853 configure_rtc(opts);
3854 break;
3855 case QEMU_OPTION_tb_size:
3856 tcg_tb_size = strtol(optarg, NULL, 0);
3857 if (tcg_tb_size < 0) {
3858 tcg_tb_size = 0;
3859 }
3860 break;
3861 case QEMU_OPTION_icount:
3862 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3863 optarg, true);
3864 if (!icount_opts) {
3865 exit(1);
3866 }
3867 break;
3868 case QEMU_OPTION_incoming:
3869 if (!incoming) {
3870 runstate_set(RUN_STATE_INMIGRATE);
3871 }
3872 incoming = optarg;
3873 break;
3874 case QEMU_OPTION_nodefaults:
3875 has_defaults = 0;
3876 break;
3877 case QEMU_OPTION_xen_domid:
3878 if (!(xen_available())) {
3879 printf("Option %s not supported for this target\n", popt->name);
3880 exit(1);
3881 }
3882 xen_domid = atoi(optarg);
3883 break;
3884 case QEMU_OPTION_xen_create:
3885 if (!(xen_available())) {
3886 printf("Option %s not supported for this target\n", popt->name);
3887 exit(1);
3888 }
3889 xen_mode = XEN_CREATE;
3890 break;
3891 case QEMU_OPTION_xen_attach:
3892 if (!(xen_available())) {
3893 printf("Option %s not supported for this target\n", popt->name);
3894 exit(1);
3895 }
3896 xen_mode = XEN_ATTACH;
3897 break;
3898 case QEMU_OPTION_trace:
3899 {
3900 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3901 optarg, true);
3902 if (!opts) {
3903 exit(1);
3904 }
3905 if (qemu_opt_get(opts, "enable")) {
3906 trace_enable_events(qemu_opt_get(opts, "enable"));
3907 }
3908 trace_init_events(qemu_opt_get(opts, "events"));
3909 if (trace_file) {
3910 g_free(trace_file);
3911 }
3912 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3913 qemu_opts_del(opts);
3914 break;
3915 }
3916 case QEMU_OPTION_readconfig:
3917 {
3918 int ret = qemu_read_config_file(optarg);
3919 if (ret < 0) {
3920 error_report("read config %s: %s", optarg,
3921 strerror(-ret));
3922 exit(1);
3923 }
3924 break;
3925 }
3926 case QEMU_OPTION_spice:
3927 olist = qemu_find_opts("spice");
3928 if (!olist) {
3929 error_report("spice support is disabled");
3930 exit(1);
3931 }
3932 opts = qemu_opts_parse_noisily(olist, optarg, false);
3933 if (!opts) {
3934 exit(1);
3935 }
3936 display_remote++;
3937 break;
3938 case QEMU_OPTION_writeconfig:
3939 {
3940 FILE *fp;
3941 if (strcmp(optarg, "-") == 0) {
3942 fp = stdout;
3943 } else {
3944 fp = fopen(optarg, "w");
3945 if (fp == NULL) {
3946 error_report("open %s: %s", optarg,
3947 strerror(errno));
3948 exit(1);
3949 }
3950 }
3951 qemu_config_write(fp);
3952 if (fp != stdout) {
3953 fclose(fp);
3954 }
3955 break;
3956 }
3957 case QEMU_OPTION_qtest:
3958 qtest_chrdev = optarg;
3959 break;
3960 case QEMU_OPTION_qtest_log:
3961 qtest_log = optarg;
3962 break;
3963 case QEMU_OPTION_sandbox:
3964 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3965 optarg, true);
3966 if (!opts) {
3967 exit(1);
3968 }
3969 break;
3970 case QEMU_OPTION_add_fd:
3971 #ifndef _WIN32
3972 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3973 optarg, false);
3974 if (!opts) {
3975 exit(1);
3976 }
3977 #else
3978 error_report("File descriptor passing is disabled on this "
3979 "platform");
3980 exit(1);
3981 #endif
3982 break;
3983 case QEMU_OPTION_object:
3984 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3985 optarg, true);
3986 if (!opts) {
3987 exit(1);
3988 }
3989 break;
3990 case QEMU_OPTION_realtime:
3991 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3992 optarg, false);
3993 if (!opts) {
3994 exit(1);
3995 }
3996 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3997 break;
3998 case QEMU_OPTION_msg:
3999 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4000 false);
4001 if (!opts) {
4002 exit(1);
4003 }
4004 configure_msg(opts);
4005 break;
4006 case QEMU_OPTION_dump_vmstate:
4007 if (vmstate_dump_file) {
4008 error_report("only one '-dump-vmstate' "
4009 "option may be given");
4010 exit(1);
4011 }
4012 vmstate_dump_file = fopen(optarg, "w");
4013 if (vmstate_dump_file == NULL) {
4014 error_report("open %s: %s", optarg, strerror(errno));
4015 exit(1);
4016 }
4017 break;
4018 default:
4019 os_parse_cmd_args(popt->index, optarg);
4020 }
4021 }
4022 }
4023 /*
4024 * Clear error location left behind by the loop.
4025 * Best done right after the loop. Do not insert code here!
4026 */
4027 loc_set_none();
4028
4029 replay_configure(icount_opts);
4030
4031 machine_class = select_machine();
4032
4033 set_memory_options(&ram_slots, &maxram_size, machine_class);
4034
4035 os_daemonize();
4036
4037 if (qemu_init_main_loop(&main_loop_err)) {
4038 error_report_err(main_loop_err);
4039 exit(1);
4040 }
4041
4042 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4043 parse_sandbox, NULL, NULL)) {
4044 exit(1);
4045 }
4046
4047 if (qemu_opts_foreach(qemu_find_opts("name"),
4048 parse_name, NULL, NULL)) {
4049 exit(1);
4050 }
4051
4052 #ifndef _WIN32
4053 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4054 parse_add_fd, NULL, NULL)) {
4055 exit(1);
4056 }
4057
4058 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4059 cleanup_add_fd, NULL, NULL)) {
4060 exit(1);
4061 }
4062 #endif
4063
4064 current_machine = MACHINE(object_new(object_class_get_name(
4065 OBJECT_CLASS(machine_class))));
4066 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4067 exit(0);
4068 }
4069 object_property_add_child(object_get_root(), "machine",
4070 OBJECT(current_machine), &error_abort);
4071 cpu_exec_init_all();
4072
4073 if (machine_class->hw_version) {
4074 qemu_set_hw_version(machine_class->hw_version);
4075 }
4076
4077 /* Init CPU def lists, based on config
4078 * - Must be called after all the qemu_read_config_file() calls
4079 * - Must be called before list_cpus()
4080 * - Must be called before machine->init()
4081 */
4082 cpudef_init();
4083
4084 if (cpu_model && is_help_option(cpu_model)) {
4085 list_cpus(stdout, &fprintf, cpu_model);
4086 exit(0);
4087 }
4088
4089 if (!trace_init_backends()) {
4090 exit(1);
4091 }
4092 trace_init_file(trace_file);
4093
4094 /* Open the logfile at this point and set the log mask if necessary.
4095 */
4096 if (log_file) {
4097 qemu_set_log_filename(log_file);
4098 }
4099
4100 if (log_mask) {
4101 int mask;
4102 mask = qemu_str_to_log_mask(log_mask);
4103 if (!mask) {
4104 qemu_print_log_usage(stdout);
4105 exit(1);
4106 }
4107 qemu_set_log(mask);
4108 } else {
4109 qemu_set_log(0);
4110 }
4111
4112 /* If no data_dir is specified then try to find it relative to the
4113 executable path. */
4114 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4115 data_dir[data_dir_idx] = os_find_datadir();
4116 if (data_dir[data_dir_idx] != NULL) {
4117 data_dir_idx++;
4118 }
4119 }
4120 /* If all else fails use the install path specified when building. */
4121 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4122 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4123 }
4124
4125 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4126
4127 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4128 if (max_cpus > machine_class->max_cpus) {
4129 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4130 "supported by machine '%s' (%d)", max_cpus,
4131 machine_class->name, machine_class->max_cpus);
4132 exit(1);
4133 }
4134
4135 /*
4136 * Get the default machine options from the machine if it is not already
4137 * specified either by the configuration file or by the command line.
4138 */
4139 if (machine_class->default_machine_opts) {
4140 qemu_opts_set_defaults(qemu_find_opts("machine"),
4141 machine_class->default_machine_opts, 0);
4142 }
4143
4144 qemu_opts_foreach(qemu_find_opts("device"),
4145 default_driver_check, NULL, NULL);
4146 qemu_opts_foreach(qemu_find_opts("global"),
4147 default_driver_check, NULL, NULL);
4148
4149 if (!vga_model && !default_vga) {
4150 vga_interface_type = VGA_DEVICE;
4151 }
4152 if (!has_defaults || machine_class->no_serial) {
4153 default_serial = 0;
4154 }
4155 if (!has_defaults || machine_class->no_parallel) {
4156 default_parallel = 0;
4157 }
4158 if (!has_defaults || !machine_class->use_virtcon) {
4159 default_virtcon = 0;
4160 }
4161 if (!has_defaults || !machine_class->use_sclp) {
4162 default_sclp = 0;
4163 }
4164 if (!has_defaults || machine_class->no_floppy) {
4165 default_floppy = 0;
4166 }
4167 if (!has_defaults || machine_class->no_cdrom) {
4168 default_cdrom = 0;
4169 }
4170 if (!has_defaults || machine_class->no_sdcard) {
4171 default_sdcard = 0;
4172 }
4173 if (!has_defaults) {
4174 default_monitor = 0;
4175 default_net = 0;
4176 default_vga = 0;
4177 }
4178
4179 if (is_daemonized()) {
4180 /* According to documentation and historically, -nographic redirects
4181 * serial port, parallel port and monitor to stdio, which does not work
4182 * with -daemonize. We can redirect these to null instead, but since
4183 * -nographic is legacy, let's just error out.
4184 * We disallow -nographic only if all other ports are not redirected
4185 * explicitly, to not break existing legacy setups which uses
4186 * -nographic _and_ redirects all ports explicitly - this is valid
4187 * usage, -nographic is just a no-op in this case.
4188 */
4189 if (display_type == DT_NOGRAPHIC
4190 && (default_parallel || default_serial
4191 || default_monitor || default_virtcon)) {
4192 error_report("-nographic cannot be used with -daemonize");
4193 exit(1);
4194 }
4195 #ifdef CONFIG_CURSES
4196 if (display_type == DT_CURSES) {
4197 error_report("curses display cannot be used with -daemonize");
4198 exit(1);
4199 }
4200 #endif
4201 }
4202
4203 if (display_type == DT_NOGRAPHIC) {
4204 if (default_parallel)
4205 add_device_config(DEV_PARALLEL, "null");
4206 if (default_serial && default_monitor) {
4207 add_device_config(DEV_SERIAL, "mon:stdio");
4208 } else if (default_virtcon && default_monitor) {
4209 add_device_config(DEV_VIRTCON, "mon:stdio");
4210 } else if (default_sclp && default_monitor) {
4211 add_device_config(DEV_SCLP, "mon:stdio");
4212 } else {
4213 if (default_serial)
4214 add_device_config(DEV_SERIAL, "stdio");
4215 if (default_virtcon)
4216 add_device_config(DEV_VIRTCON, "stdio");
4217 if (default_sclp) {
4218 add_device_config(DEV_SCLP, "stdio");
4219 }
4220 if (default_monitor)
4221 monitor_parse("stdio", "readline", false);
4222 }
4223 } else {
4224 if (default_serial)
4225 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4226 if (default_parallel)
4227 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4228 if (default_monitor)
4229 monitor_parse("vc:80Cx24C", "readline", false);
4230 if (default_virtcon)
4231 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4232 if (default_sclp) {
4233 add_device_config(DEV_SCLP, "vc:80Cx24C");
4234 }
4235 }
4236
4237 #if defined(CONFIG_VNC)
4238 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4239 display_remote++;
4240 }
4241 #endif
4242 if (display_type == DT_DEFAULT && !display_remote) {
4243 #if defined(CONFIG_GTK)
4244 display_type = DT_GTK;
4245 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4246 display_type = DT_SDL;
4247 #elif defined(CONFIG_VNC)
4248 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4249 show_vnc_port = 1;
4250 #else
4251 display_type = DT_NONE;
4252 #endif
4253 }
4254
4255 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4256 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4257 "for SDL, ignoring option");
4258 }
4259 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4260 error_report("-no-quit is only valid for GTK and SDL, "
4261 "ignoring option");
4262 }
4263
4264 #if defined(CONFIG_GTK)
4265 if (display_type == DT_GTK) {
4266 early_gtk_display_init(request_opengl);
4267 }
4268 #endif
4269 #if defined(CONFIG_SDL)
4270 if (display_type == DT_SDL) {
4271 sdl_display_early_init(request_opengl);
4272 }
4273 #endif
4274 if (request_opengl == 1 && display_opengl == 0) {
4275 #if defined(CONFIG_OPENGL)
4276 error_report("OpenGL is not supported by the display");
4277 #else
4278 error_report("OpenGL support is disabled");
4279 #endif
4280 exit(1);
4281 }
4282
4283 page_size_init();
4284 socket_init();
4285
4286 if (qemu_opts_foreach(qemu_find_opts("object"),
4287 user_creatable_add_opts_foreach,
4288 object_create_initial, &err)) {
4289 error_report_err(err);
4290 exit(1);
4291 }
4292
4293 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4294 chardev_init_func, NULL, NULL)) {
4295 exit(1);
4296 }
4297
4298 #ifdef CONFIG_VIRTFS
4299 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4300 fsdev_init_func, NULL, NULL)) {
4301 exit(1);
4302 }
4303 #endif
4304
4305 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4306 error_report("could not acquire pid file: %s", strerror(errno));
4307 exit(1);
4308 }
4309
4310 if (qemu_opts_foreach(qemu_find_opts("device"),
4311 device_help_func, NULL, NULL)) {
4312 exit(0);
4313 }
4314
4315 machine_opts = qemu_get_machine_opts();
4316 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4317 NULL)) {
4318 object_unref(OBJECT(current_machine));
4319 exit(1);
4320 }
4321
4322 configure_accelerator(current_machine);
4323
4324 if (qtest_chrdev) {
4325 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4326 }
4327
4328 machine_opts = qemu_get_machine_opts();
4329 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4330 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4331 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4332 bios_name = qemu_opt_get(machine_opts, "firmware");
4333
4334 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4335 if (opts) {
4336 boot_order = qemu_opt_get(opts, "order");
4337 if (boot_order) {
4338 validate_bootdevices(boot_order, &error_fatal);
4339 }
4340
4341 boot_once = qemu_opt_get(opts, "once");
4342 if (boot_once) {
4343 validate_bootdevices(boot_once, &error_fatal);
4344 }
4345
4346 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4347 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4348 }
4349
4350 if (!boot_order) {
4351 boot_order = machine_class->default_boot_order;
4352 }
4353
4354 if (!kernel_cmdline) {
4355 kernel_cmdline = "";
4356 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4357 }
4358
4359 linux_boot = (kernel_filename != NULL);
4360
4361 if (!linux_boot && *kernel_cmdline != '\0') {
4362 error_report("-append only allowed with -kernel option");
4363 exit(1);
4364 }
4365
4366 if (!linux_boot && initrd_filename != NULL) {
4367 error_report("-initrd only allowed with -kernel option");
4368 exit(1);
4369 }
4370
4371 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4372 error_report("-dtb only allowed with -kernel option");
4373 exit(1);
4374 }
4375
4376 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4377 /* fall back to the -kernel/-append */
4378 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4379 }
4380
4381 os_set_line_buffering();
4382
4383 #ifdef CONFIG_SPICE
4384 /* spice needs the timers to be initialized by this point */
4385 qemu_spice_init();
4386 #endif
4387
4388 cpu_ticks_init();
4389 if (icount_opts) {
4390 if (kvm_enabled() || xen_enabled()) {
4391 error_report("-icount is not allowed with kvm or xen");
4392 exit(1);
4393 }
4394 configure_icount(icount_opts, &error_abort);
4395 qemu_opts_del(icount_opts);
4396 }
4397
4398 /* clean up network at qemu process termination */
4399 atexit(&net_cleanup);
4400
4401 if (net_init_clients() < 0) {
4402 exit(1);
4403 }
4404
4405 if (qemu_opts_foreach(qemu_find_opts("object"),
4406 user_creatable_add_opts_foreach,
4407 object_create_delayed, &err)) {
4408 error_report_err(err);
4409 exit(1);
4410 }
4411
4412 #ifdef CONFIG_TPM
4413 if (tpm_init() < 0) {
4414 exit(1);
4415 }
4416 #endif
4417
4418 /* init the bluetooth world */
4419 if (foreach_device_config(DEV_BT, bt_parse))
4420 exit(1);
4421
4422 if (!xen_enabled()) {
4423 /* On 32-bit hosts, QEMU is limited by virtual address space */
4424 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4425 error_report("at most 2047 MB RAM can be simulated");
4426 exit(1);
4427 }
4428 }
4429
4430 blk_mig_init();
4431 ram_mig_init();
4432
4433 /* If the currently selected machine wishes to override the units-per-bus
4434 * property of its default HBA interface type, do so now. */
4435 if (machine_class->units_per_default_bus) {
4436 override_max_devs(machine_class->block_default_type,
4437 machine_class->units_per_default_bus);
4438 }
4439
4440 /* open the virtual block devices */
4441 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4442 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4443 NULL, NULL);
4444 }
4445 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4446 &machine_class->block_default_type, NULL)) {
4447 exit(1);
4448 }
4449
4450 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4451 CDROM_OPTS);
4452 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4453 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4454
4455 parse_numa_opts(machine_class);
4456
4457 if (qemu_opts_foreach(qemu_find_opts("mon"),
4458 mon_init_func, NULL, NULL)) {
4459 exit(1);
4460 }
4461
4462 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4463 exit(1);
4464 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4465 exit(1);
4466 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4467 exit(1);
4468 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4469 exit(1);
4470 }
4471 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4472 exit(1);
4473
4474 /* If no default VGA is requested, the default is "none". */
4475 if (default_vga) {
4476 if (machine_class->default_display) {
4477 vga_model = machine_class->default_display;
4478 } else if (cirrus_vga_available()) {
4479 vga_model = "cirrus";
4480 } else if (vga_available()) {
4481 vga_model = "std";
4482 }
4483 }
4484 if (vga_model) {
4485 select_vgahw(vga_model);
4486 }
4487
4488 if (watchdog) {
4489 i = select_watchdog(watchdog);
4490 if (i > 0)
4491 exit (i == 1 ? 1 : 0);
4492 }
4493
4494 if (machine_class->compat_props) {
4495 qdev_prop_register_global_list(machine_class->compat_props);
4496 }
4497 qemu_add_globals();
4498
4499 /* This checkpoint is required by replay to separate prior clock
4500 reading from the other reads, because timer polling functions query
4501 clock values from the log. */
4502 replay_checkpoint(CHECKPOINT_INIT);
4503 qdev_machine_init();
4504
4505 current_machine->ram_size = ram_size;
4506 current_machine->maxram_size = maxram_size;
4507 current_machine->ram_slots = ram_slots;
4508 current_machine->boot_order = boot_order;
4509 current_machine->cpu_model = cpu_model;
4510
4511 machine_class->init(current_machine);
4512
4513 realtime_init();
4514
4515 audio_init();
4516
4517 cpu_synchronize_all_post_init();
4518
4519 numa_post_machine_init();
4520
4521 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4522 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4523 exit(1);
4524 }
4525
4526 /* init USB devices */
4527 if (usb_enabled()) {
4528 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4529 exit(1);
4530 }
4531
4532 /* Check if IGD GFX passthrough. */
4533 igd_gfx_passthru();
4534
4535 /* init generic devices */
4536 if (qemu_opts_foreach(qemu_find_opts("device"),
4537 device_init_func, NULL, NULL)) {
4538 exit(1);
4539 }
4540
4541 /* Did we create any drives that we failed to create a device for? */
4542 drive_check_orphaned();
4543
4544 net_check_clients();
4545
4546 if (boot_once) {
4547 qemu_boot_set(boot_once, &error_fatal);
4548 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4549 }
4550
4551 ds = init_displaystate();
4552
4553 /* init local displays */
4554 switch (display_type) {
4555 case DT_NOGRAPHIC:
4556 (void)ds; /* avoid warning if no display is configured */
4557 break;
4558 #if defined(CONFIG_CURSES)
4559 case DT_CURSES:
4560 curses_display_init(ds, full_screen);
4561 break;
4562 #endif
4563 #if defined(CONFIG_SDL)
4564 case DT_SDL:
4565 sdl_display_init(ds, full_screen, no_frame);
4566 break;
4567 #elif defined(CONFIG_COCOA)
4568 case DT_SDL:
4569 cocoa_display_init(ds, full_screen);
4570 break;
4571 #endif
4572 #if defined(CONFIG_GTK)
4573 case DT_GTK:
4574 gtk_display_init(ds, full_screen, grab_on_hover);
4575 break;
4576 #endif
4577 default:
4578 break;
4579 }
4580
4581 /* must be after terminal init, SDL library changes signal handlers */
4582 os_setup_signal_handling();
4583
4584 #ifdef CONFIG_VNC
4585 /* init remote displays */
4586 qemu_opts_foreach(qemu_find_opts("vnc"),
4587 vnc_init_func, NULL, NULL);
4588 if (show_vnc_port) {
4589 char *ret = vnc_display_local_addr("default");
4590 printf("VNC server running on '%s'\n", ret);
4591 g_free(ret);
4592 }
4593 #endif
4594 #ifdef CONFIG_SPICE
4595 if (using_spice) {
4596 qemu_spice_display_init();
4597 }
4598 #endif
4599
4600 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4601 exit(1);
4602 }
4603
4604 qdev_machine_creation_done();
4605
4606 /* TODO: once all bus devices are qdevified, this should be done
4607 * when bus is created by qdev.c */
4608 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4609 qemu_run_machine_init_done_notifiers();
4610
4611 if (rom_check_and_register_reset() != 0) {
4612 error_report("rom check and register reset failed");
4613 exit(1);
4614 }
4615
4616 replay_start();
4617
4618 /* This checkpoint is required by replay to separate prior clock
4619 reading from the other reads, because timer polling functions query
4620 clock values from the log. */
4621 replay_checkpoint(CHECKPOINT_RESET);
4622 qemu_system_reset(VMRESET_SILENT);
4623 register_global_state();
4624 if (loadvm) {
4625 if (load_vmstate(loadvm) < 0) {
4626 autostart = 0;
4627 }
4628 }
4629
4630 qdev_prop_check_globals();
4631 if (vmstate_dump_file) {
4632 /* dump and exit */
4633 dump_vmstate_json_to_file(vmstate_dump_file);
4634 return 0;
4635 }
4636
4637 if (incoming) {
4638 Error *local_err = NULL;
4639 qemu_start_incoming_migration(incoming, &local_err);
4640 if (local_err) {
4641 error_reportf_err(local_err, "-incoming %s: ", incoming);
4642 exit(1);
4643 }
4644 } else if (autostart) {
4645 vm_start();
4646 }
4647
4648 os_setup_post();
4649
4650 main_loop();
4651 replay_disable_events();
4652
4653 bdrv_close_all();
4654 pause_all_vcpus();
4655 res_free();
4656 #ifdef CONFIG_TPM
4657 tpm_cleanup();
4658 #endif
4659
4660 return 0;
4661 }
QEmu