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block: Add blk_remove_all_bs()
[qemu/rayw.git] / vl.c
blobf043009f670df50214bf6c92cd1619ec9d2d6739
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126 #include "qapi/qmp/qerror.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 DisplayType display_type = DT_DEFAULT;
136 int request_opengl = -1;
137 int display_opengl;
138 static int display_remote;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 int nb_nics;
145 NICInfo nd_table[MAX_NICS];
146 int autostart;
147 static int rtc_utc = 1;
148 static int rtc_date_offset = -1; /* -1 means no change */
149 QEMUClockType rtc_clock;
150 int vga_interface_type = VGA_NONE;
151 static int full_screen = 0;
152 static int no_frame = 0;
153 int no_quit = 0;
154 #ifdef CONFIG_GTK
155 static bool grab_on_hover;
156 #endif
157 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
158 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
159 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
162 int singlestep = 0;
163 int smp_cpus = 1;
164 int max_cpus = 0;
165 int smp_cores = 1;
166 int smp_threads = 1;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 uint8_t qemu_uuid[16];
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_sclp = 1;
212 static int default_monitor = 1;
213 static int default_floppy = 1;
214 static int default_cdrom = 1;
215 static int default_sdcard = 1;
216 static int default_vga = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 };
239
240 static QemuOptsList qemu_rtc_opts = {
241 .name = "rtc",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .desc = {
244 {
245 .name = "base",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "clock",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "driftfix",
252 .type = QEMU_OPT_STRING,
253 },
254 { /* end of list */ }
255 },
256 };
257
258 static QemuOptsList qemu_sandbox_opts = {
259 .name = "sandbox",
260 .implied_opt_name = "enable",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
262 .desc = {
263 {
264 .name = "enable",
265 .type = QEMU_OPT_BOOL,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_trace_opts = {
272 .name = "trace",
273 .implied_opt_name = "trace",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
275 .desc = {
276 {
277 .name = "events",
278 .type = QEMU_OPT_STRING,
279 },{
280 .name = "file",
281 .type = QEMU_OPT_STRING,
282 },
283 { /* end of list */ }
284 },
285 };
286
287 static QemuOptsList qemu_option_rom_opts = {
288 .name = "option-rom",
289 .implied_opt_name = "romfile",
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
291 .desc = {
292 {
293 .name = "bootindex",
294 .type = QEMU_OPT_NUMBER,
295 }, {
296 .name = "romfile",
297 .type = QEMU_OPT_STRING,
298 },
299 { /* end of list */ }
300 },
301 };
302
303 static QemuOptsList qemu_machine_opts = {
304 .name = "machine",
305 .implied_opt_name = "type",
306 .merge_lists = true,
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
308 .desc = {
309 /*
310 * no elements => accept any
311 * sanity checking will happen later
312 * when setting machine properties
313 */
314 { }
315 },
316 };
317
318 static QemuOptsList qemu_boot_opts = {
319 .name = "boot-opts",
320 .implied_opt_name = "order",
321 .merge_lists = true,
322 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
323 .desc = {
324 {
325 .name = "order",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "once",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "menu",
332 .type = QEMU_OPT_BOOL,
333 }, {
334 .name = "splash",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "splash-time",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "reboot-timeout",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "strict",
344 .type = QEMU_OPT_BOOL,
345 },
346 { /*End of list */ }
347 },
348 };
349
350 static QemuOptsList qemu_add_fd_opts = {
351 .name = "add-fd",
352 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
353 .desc = {
354 {
355 .name = "fd",
356 .type = QEMU_OPT_NUMBER,
357 .help = "file descriptor of which a duplicate is added to fd set",
358 },{
359 .name = "set",
360 .type = QEMU_OPT_NUMBER,
361 .help = "ID of the fd set to add fd to",
362 },{
363 .name = "opaque",
364 .type = QEMU_OPT_STRING,
365 .help = "free-form string used to describe fd",
366 },
367 { /* end of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_object_opts = {
372 .name = "object",
373 .implied_opt_name = "qom-type",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
375 .desc = {
376 { }
377 },
378 };
379
380 static QemuOptsList qemu_tpmdev_opts = {
381 .name = "tpmdev",
382 .implied_opt_name = "type",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
384 .desc = {
385 /* options are defined in the TPM backends */
386 { /* end of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_realtime_opts = {
391 .name = "realtime",
392 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
393 .desc = {
394 {
395 .name = "mlock",
396 .type = QEMU_OPT_BOOL,
397 },
398 { /* end of list */ }
399 },
400 };
401
402 static QemuOptsList qemu_msg_opts = {
403 .name = "msg",
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
405 .desc = {
406 {
407 .name = "timestamp",
408 .type = QEMU_OPT_BOOL,
409 },
410 { /* end of list */ }
411 },
412 };
413
414 static QemuOptsList qemu_name_opts = {
415 .name = "name",
416 .implied_opt_name = "guest",
417 .merge_lists = true,
418 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
419 .desc = {
420 {
421 .name = "guest",
422 .type = QEMU_OPT_STRING,
423 .help = "Sets the name of the guest.\n"
424 "This name will be displayed in the SDL window caption.\n"
425 "The name will also be used for the VNC server",
426 }, {
427 .name = "process",
428 .type = QEMU_OPT_STRING,
429 .help = "Sets the name of the QEMU process, as shown in top etc",
430 }, {
431 .name = "debug-threads",
432 .type = QEMU_OPT_BOOL,
433 .help = "When enabled, name the individual threads; defaults off.\n"
434 "NOTE: The thread names are for debugging and not a\n"
435 "stable API.",
436 },
437 { /* End of list */ }
438 },
439 };
440
441 static QemuOptsList qemu_mem_opts = {
442 .name = "memory",
443 .implied_opt_name = "size",
444 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
445 .merge_lists = true,
446 .desc = {
447 {
448 .name = "size",
449 .type = QEMU_OPT_SIZE,
450 },
451 {
452 .name = "slots",
453 .type = QEMU_OPT_NUMBER,
454 },
455 {
456 .name = "maxmem",
457 .type = QEMU_OPT_SIZE,
458 },
459 { /* end of list */ }
460 },
461 };
462
463 static QemuOptsList qemu_icount_opts = {
464 .name = "icount",
465 .implied_opt_name = "shift",
466 .merge_lists = true,
467 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
468 .desc = {
469 {
470 .name = "shift",
471 .type = QEMU_OPT_STRING,
472 }, {
473 .name = "align",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "sleep",
477 .type = QEMU_OPT_BOOL,
478 }, {
479 .name = "rr",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "rrfile",
483 .type = QEMU_OPT_STRING,
484 },
485 { /* end of list */ }
486 },
487 };
488
489 static QemuOptsList qemu_semihosting_config_opts = {
490 .name = "semihosting-config",
491 .implied_opt_name = "enable",
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
493 .desc = {
494 {
495 .name = "enable",
496 .type = QEMU_OPT_BOOL,
497 }, {
498 .name = "target",
499 .type = QEMU_OPT_STRING,
500 }, {
501 .name = "arg",
502 .type = QEMU_OPT_STRING,
503 },
504 { /* end of list */ }
505 },
506 };
507
508 static QemuOptsList qemu_fw_cfg_opts = {
509 .name = "fw_cfg",
510 .implied_opt_name = "name",
511 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
512 .desc = {
513 {
514 .name = "name",
515 .type = QEMU_OPT_STRING,
516 .help = "Sets the fw_cfg name of the blob to be inserted",
517 }, {
518 .name = "file",
519 .type = QEMU_OPT_STRING,
520 .help = "Sets the name of the file from which\n"
521 "the fw_cfg blob will be loaded",
522 }, {
523 .name = "string",
524 .type = QEMU_OPT_STRING,
525 .help = "Sets content of the blob to be inserted from a string",
526 },
527 { /* end of list */ }
528 },
529 };
530
531 /**
532 * Get machine options
533 *
534 * Returns: machine options (never null).
535 */
536 QemuOpts *qemu_get_machine_opts(void)
537 {
538 return qemu_find_opts_singleton("machine");
539 }
540
541 const char *qemu_get_vm_name(void)
542 {
543 return qemu_name;
544 }
545
546 static void res_free(void)
547 {
548 g_free(boot_splash_filedata);
549 boot_splash_filedata = NULL;
550 }
551
552 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
553 {
554 const char *driver = qemu_opt_get(opts, "driver");
555 int i;
556
557 if (!driver)
558 return 0;
559 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
560 if (strcmp(default_list[i].driver, driver) != 0)
561 continue;
562 *(default_list[i].flag) = 0;
563 }
564 return 0;
565 }
566
567 /***********************************************************/
568 /* QEMU state */
569
570 static RunState current_run_state = RUN_STATE_PRELAUNCH;
571
572 /* We use RUN_STATE__MAX but any invalid value will do */
573 static RunState vmstop_requested = RUN_STATE__MAX;
574 static QemuMutex vmstop_lock;
575
576 typedef struct {
577 RunState from;
578 RunState to;
579 } RunStateTransition;
580
581 static const RunStateTransition runstate_transitions_def[] = {
582 /* from -> to */
583 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
584 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
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
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
600 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
603 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
604
605 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
607
608 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
609 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
611
612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
613 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
614
615 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
616
617 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
618 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
619 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
620 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
621 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
623 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
624 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
625 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
626 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
627
628 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
629
630 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
631 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
632
633 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
634 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
635 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
636 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
637
638 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
639 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
640
641 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
642 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
643
644 { RUN_STATE__MAX, RUN_STATE__MAX },
645 };
646
647 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
648
649 bool runstate_check(RunState state)
650 {
651 return current_run_state == state;
652 }
653
654 bool runstate_store(char *str, size_t size)
655 {
656 const char *state = RunState_lookup[current_run_state];
657 size_t len = strlen(state) + 1;
658
659 if (len > size) {
660 return false;
661 }
662 memcpy(str, state, len);
663 return true;
664 }
665
666 static void runstate_init(void)
667 {
668 const RunStateTransition *p;
669
670 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
671 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
672 runstate_valid_transitions[p->from][p->to] = true;
673 }
674
675 qemu_mutex_init(&vmstop_lock);
676 }
677
678 /* This function will abort() on invalid state transitions */
679 void runstate_set(RunState new_state)
680 {
681 assert(new_state < RUN_STATE__MAX);
682
683 if (!runstate_valid_transitions[current_run_state][new_state]) {
684 error_report("invalid runstate transition: '%s' -> '%s'",
685 RunState_lookup[current_run_state],
686 RunState_lookup[new_state]);
687 abort();
688 }
689 trace_runstate_set(new_state);
690 current_run_state = new_state;
691 }
692
693 int runstate_is_running(void)
694 {
695 return runstate_check(RUN_STATE_RUNNING);
696 }
697
698 bool runstate_needs_reset(void)
699 {
700 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
701 runstate_check(RUN_STATE_SHUTDOWN);
702 }
703
704 StatusInfo *qmp_query_status(Error **errp)
705 {
706 StatusInfo *info = g_malloc0(sizeof(*info));
707
708 info->running = runstate_is_running();
709 info->singlestep = singlestep;
710 info->status = current_run_state;
711
712 return info;
713 }
714
715 static bool qemu_vmstop_requested(RunState *r)
716 {
717 qemu_mutex_lock(&vmstop_lock);
718 *r = vmstop_requested;
719 vmstop_requested = RUN_STATE__MAX;
720 qemu_mutex_unlock(&vmstop_lock);
721 return *r < RUN_STATE__MAX;
722 }
723
724 void qemu_system_vmstop_request_prepare(void)
725 {
726 qemu_mutex_lock(&vmstop_lock);
727 }
728
729 void qemu_system_vmstop_request(RunState state)
730 {
731 vmstop_requested = state;
732 qemu_mutex_unlock(&vmstop_lock);
733 qemu_notify_event();
734 }
735
736 void vm_start(void)
737 {
738 RunState requested;
739
740 qemu_vmstop_requested(&requested);
741 if (runstate_is_running() && requested == RUN_STATE__MAX) {
742 return;
743 }
744
745 /* Ensure that a STOP/RESUME pair of events is emitted if a
746 * vmstop request was pending. The BLOCK_IO_ERROR event, for
747 * example, according to documentation is always followed by
748 * the STOP event.
749 */
750 if (runstate_is_running()) {
751 qapi_event_send_stop(&error_abort);
752 } else {
753 cpu_enable_ticks();
754 runstate_set(RUN_STATE_RUNNING);
755 vm_state_notify(1, RUN_STATE_RUNNING);
756 resume_all_vcpus();
757 }
758
759 qapi_event_send_resume(&error_abort);
760 }
761
762
763 /***********************************************************/
764 /* real time host monotonic timer */
765
766 static time_t qemu_time(void)
767 {
768 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
769 }
770
771 /***********************************************************/
772 /* host time/date access */
773 void qemu_get_timedate(struct tm *tm, int offset)
774 {
775 time_t ti = qemu_time();
776
777 ti += offset;
778 if (rtc_date_offset == -1) {
779 if (rtc_utc)
780 gmtime_r(&ti, tm);
781 else
782 localtime_r(&ti, tm);
783 } else {
784 ti -= rtc_date_offset;
785 gmtime_r(&ti, tm);
786 }
787 }
788
789 int qemu_timedate_diff(struct tm *tm)
790 {
791 time_t seconds;
792
793 if (rtc_date_offset == -1)
794 if (rtc_utc)
795 seconds = mktimegm(tm);
796 else {
797 struct tm tmp = *tm;
798 tmp.tm_isdst = -1; /* use timezone to figure it out */
799 seconds = mktime(&tmp);
800 }
801 else
802 seconds = mktimegm(tm) + rtc_date_offset;
803
804 return seconds - qemu_time();
805 }
806
807 static void configure_rtc_date_offset(const char *startdate, int legacy)
808 {
809 time_t rtc_start_date;
810 struct tm tm;
811
812 if (!strcmp(startdate, "now") && legacy) {
813 rtc_date_offset = -1;
814 } else {
815 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
816 &tm.tm_year,
817 &tm.tm_mon,
818 &tm.tm_mday,
819 &tm.tm_hour,
820 &tm.tm_min,
821 &tm.tm_sec) == 6) {
822 /* OK */
823 } else if (sscanf(startdate, "%d-%d-%d",
824 &tm.tm_year,
825 &tm.tm_mon,
826 &tm.tm_mday) == 3) {
827 tm.tm_hour = 0;
828 tm.tm_min = 0;
829 tm.tm_sec = 0;
830 } else {
831 goto date_fail;
832 }
833 tm.tm_year -= 1900;
834 tm.tm_mon--;
835 rtc_start_date = mktimegm(&tm);
836 if (rtc_start_date == -1) {
837 date_fail:
838 error_report("invalid date format");
839 error_printf("valid formats: "
840 "'2006-06-17T16:01:21' or '2006-06-17'\n");
841 exit(1);
842 }
843 rtc_date_offset = qemu_time() - rtc_start_date;
844 }
845 }
846
847 static void configure_rtc(QemuOpts *opts)
848 {
849 const char *value;
850
851 value = qemu_opt_get(opts, "base");
852 if (value) {
853 if (!strcmp(value, "utc")) {
854 rtc_utc = 1;
855 } else if (!strcmp(value, "localtime")) {
856 Error *blocker = NULL;
857 rtc_utc = 0;
858 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
859 "-rtc base=localtime");
860 replay_add_blocker(blocker);
861 } else {
862 configure_rtc_date_offset(value, 0);
863 }
864 }
865 value = qemu_opt_get(opts, "clock");
866 if (value) {
867 if (!strcmp(value, "host")) {
868 rtc_clock = QEMU_CLOCK_HOST;
869 } else if (!strcmp(value, "rt")) {
870 rtc_clock = QEMU_CLOCK_REALTIME;
871 } else if (!strcmp(value, "vm")) {
872 rtc_clock = QEMU_CLOCK_VIRTUAL;
873 } else {
874 error_report("invalid option value '%s'", value);
875 exit(1);
876 }
877 }
878 value = qemu_opt_get(opts, "driftfix");
879 if (value) {
880 if (!strcmp(value, "slew")) {
881 static GlobalProperty slew_lost_ticks[] = {
882 {
883 .driver = "mc146818rtc",
884 .property = "lost_tick_policy",
885 .value = "slew",
886 },
887 { /* end of list */ }
888 };
889
890 qdev_prop_register_global_list(slew_lost_ticks);
891 } else if (!strcmp(value, "none")) {
892 /* discard is default */
893 } else {
894 error_report("invalid option value '%s'", value);
895 exit(1);
896 }
897 }
898 }
899
900 /***********************************************************/
901 /* Bluetooth support */
902 static int nb_hcis;
903 static int cur_hci;
904 static struct HCIInfo *hci_table[MAX_NICS];
905
906 struct HCIInfo *qemu_next_hci(void)
907 {
908 if (cur_hci == nb_hcis)
909 return &null_hci;
910
911 return hci_table[cur_hci++];
912 }
913
914 static int bt_hci_parse(const char *str)
915 {
916 struct HCIInfo *hci;
917 bdaddr_t bdaddr;
918
919 if (nb_hcis >= MAX_NICS) {
920 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
921 return -1;
922 }
923
924 hci = hci_init(str);
925 if (!hci)
926 return -1;
927
928 bdaddr.b[0] = 0x52;
929 bdaddr.b[1] = 0x54;
930 bdaddr.b[2] = 0x00;
931 bdaddr.b[3] = 0x12;
932 bdaddr.b[4] = 0x34;
933 bdaddr.b[5] = 0x56 + nb_hcis;
934 hci->bdaddr_set(hci, bdaddr.b);
935
936 hci_table[nb_hcis++] = hci;
937
938 return 0;
939 }
940
941 static void bt_vhci_add(int vlan_id)
942 {
943 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
944
945 if (!vlan->slave)
946 error_report("warning: adding a VHCI to an empty scatternet %i",
947 vlan_id);
948
949 bt_vhci_init(bt_new_hci(vlan));
950 }
951
952 static struct bt_device_s *bt_device_add(const char *opt)
953 {
954 struct bt_scatternet_s *vlan;
955 int vlan_id = 0;
956 char *endp = strstr(opt, ",vlan=");
957 int len = (endp ? endp - opt : strlen(opt)) + 1;
958 char devname[10];
959
960 pstrcpy(devname, MIN(sizeof(devname), len), opt);
961
962 if (endp) {
963 vlan_id = strtol(endp + 6, &endp, 0);
964 if (*endp) {
965 error_report("unrecognised bluetooth vlan Id");
966 return 0;
967 }
968 }
969
970 vlan = qemu_find_bt_vlan(vlan_id);
971
972 if (!vlan->slave)
973 error_report("warning: adding a slave device to an empty scatternet %i",
974 vlan_id);
975
976 if (!strcmp(devname, "keyboard"))
977 return bt_keyboard_init(vlan);
978
979 error_report("unsupported bluetooth device '%s'", devname);
980 return 0;
981 }
982
983 static int bt_parse(const char *opt)
984 {
985 const char *endp, *p;
986 int vlan;
987
988 if (strstart(opt, "hci", &endp)) {
989 if (!*endp || *endp == ',') {
990 if (*endp)
991 if (!strstart(endp, ",vlan=", 0))
992 opt = endp + 1;
993
994 return bt_hci_parse(opt);
995 }
996 } else if (strstart(opt, "vhci", &endp)) {
997 if (!*endp || *endp == ',') {
998 if (*endp) {
999 if (strstart(endp, ",vlan=", &p)) {
1000 vlan = strtol(p, (char **) &endp, 0);
1001 if (*endp) {
1002 error_report("bad scatternet '%s'", p);
1003 return 1;
1004 }
1005 } else {
1006 error_report("bad parameter '%s'", endp + 1);
1007 return 1;
1008 }
1009 } else
1010 vlan = 0;
1011
1012 bt_vhci_add(vlan);
1013 return 0;
1014 }
1015 } else if (strstart(opt, "device:", &endp))
1016 return !bt_device_add(endp);
1017
1018 error_report("bad bluetooth parameter '%s'", opt);
1019 return 1;
1020 }
1021
1022 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1023 {
1024 /* FIXME: change this to true for 1.3 */
1025 if (qemu_opt_get_bool(opts, "enable", false)) {
1026 #ifdef CONFIG_SECCOMP
1027 if (seccomp_start() < 0) {
1028 error_report("failed to install seccomp syscall filter "
1029 "in the kernel");
1030 return -1;
1031 }
1032 #else
1033 error_report("seccomp support is disabled");
1034 return -1;
1035 #endif
1036 }
1037
1038 return 0;
1039 }
1040
1041 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1042 {
1043 const char *proc_name;
1044
1045 if (qemu_opt_get(opts, "debug-threads")) {
1046 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1047 }
1048 qemu_name = qemu_opt_get(opts, "guest");
1049
1050 proc_name = qemu_opt_get(opts, "process");
1051 if (proc_name) {
1052 os_set_proc_name(proc_name);
1053 }
1054
1055 return 0;
1056 }
1057
1058 bool defaults_enabled(void)
1059 {
1060 return has_defaults;
1061 }
1062
1063 bool usb_enabled(void)
1064 {
1065 return machine_usb(current_machine);
1066 }
1067
1068 #ifndef _WIN32
1069 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1070 {
1071 int fd, dupfd, flags;
1072 int64_t fdset_id;
1073 const char *fd_opaque = NULL;
1074 AddfdInfo *fdinfo;
1075
1076 fd = qemu_opt_get_number(opts, "fd", -1);
1077 fdset_id = qemu_opt_get_number(opts, "set", -1);
1078 fd_opaque = qemu_opt_get(opts, "opaque");
1079
1080 if (fd < 0) {
1081 error_report("fd option is required and must be non-negative");
1082 return -1;
1083 }
1084
1085 if (fd <= STDERR_FILENO) {
1086 error_report("fd cannot be a standard I/O stream");
1087 return -1;
1088 }
1089
1090 /*
1091 * All fds inherited across exec() necessarily have FD_CLOEXEC
1092 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1093 */
1094 flags = fcntl(fd, F_GETFD);
1095 if (flags == -1 || (flags & FD_CLOEXEC)) {
1096 error_report("fd is not valid or already in use");
1097 return -1;
1098 }
1099
1100 if (fdset_id < 0) {
1101 error_report("set option is required and must be non-negative");
1102 return -1;
1103 }
1104
1105 #ifdef F_DUPFD_CLOEXEC
1106 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1107 #else
1108 dupfd = dup(fd);
1109 if (dupfd != -1) {
1110 qemu_set_cloexec(dupfd);
1111 }
1112 #endif
1113 if (dupfd == -1) {
1114 error_report("error duplicating fd: %s", strerror(errno));
1115 return -1;
1116 }
1117
1118 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1119 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1120 &error_abort);
1121 g_free(fdinfo);
1122
1123 return 0;
1124 }
1125
1126 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1127 {
1128 int fd;
1129
1130 fd = qemu_opt_get_number(opts, "fd", -1);
1131 close(fd);
1132
1133 return 0;
1134 }
1135 #endif
1136
1137 /***********************************************************/
1138 /* QEMU Block devices */
1139
1140 #define HD_OPTS "media=disk"
1141 #define CDROM_OPTS "media=cdrom"
1142 #define FD_OPTS ""
1143 #define PFLASH_OPTS ""
1144 #define MTD_OPTS ""
1145 #define SD_OPTS ""
1146
1147 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1148 {
1149 BlockInterfaceType *block_default_type = opaque;
1150
1151 return drive_new(opts, *block_default_type) == NULL;
1152 }
1153
1154 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 if (qemu_opt_get(opts, "snapshot") == NULL) {
1157 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1158 }
1159 return 0;
1160 }
1161
1162 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1163 int index, const char *optstr)
1164 {
1165 QemuOpts *opts;
1166 DriveInfo *dinfo;
1167
1168 if (!enable || drive_get_by_index(type, index)) {
1169 return;
1170 }
1171
1172 opts = drive_add(type, index, NULL, optstr);
1173 if (snapshot) {
1174 drive_enable_snapshot(NULL, opts, NULL);
1175 }
1176
1177 dinfo = drive_new(opts, type);
1178 if (!dinfo) {
1179 exit(1);
1180 }
1181 dinfo->is_default = true;
1182
1183 }
1184
1185 static QemuOptsList qemu_smp_opts = {
1186 .name = "smp-opts",
1187 .implied_opt_name = "cpus",
1188 .merge_lists = true,
1189 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1190 .desc = {
1191 {
1192 .name = "cpus",
1193 .type = QEMU_OPT_NUMBER,
1194 }, {
1195 .name = "sockets",
1196 .type = QEMU_OPT_NUMBER,
1197 }, {
1198 .name = "cores",
1199 .type = QEMU_OPT_NUMBER,
1200 }, {
1201 .name = "threads",
1202 .type = QEMU_OPT_NUMBER,
1203 }, {
1204 .name = "maxcpus",
1205 .type = QEMU_OPT_NUMBER,
1206 },
1207 { /*End of list */ }
1208 },
1209 };
1210
1211 static void smp_parse(QemuOpts *opts)
1212 {
1213 if (opts) {
1214
1215 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1216 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1217 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1218 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1219
1220 /* compute missing values, prefer sockets over cores over threads */
1221 if (cpus == 0 || sockets == 0) {
1222 sockets = sockets > 0 ? sockets : 1;
1223 cores = cores > 0 ? cores : 1;
1224 threads = threads > 0 ? threads : 1;
1225 if (cpus == 0) {
1226 cpus = cores * threads * sockets;
1227 }
1228 } else if (cores == 0) {
1229 threads = threads > 0 ? threads : 1;
1230 cores = cpus / (sockets * threads);
1231 } else if (threads == 0) {
1232 threads = cpus / (cores * sockets);
1233 } else if (sockets * cores * threads < cpus) {
1234 error_report("cpu topology: "
1235 "sockets (%u) * cores (%u) * threads (%u) < "
1236 "smp_cpus (%u)",
1237 sockets, cores, threads, cpus);
1238 exit(1);
1239 }
1240
1241 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1242 if (sockets * cores * threads > max_cpus) {
1243 error_report("cpu topology: "
1244 "sockets (%u) * cores (%u) * threads (%u) > "
1245 "maxcpus (%u)",
1246 sockets, cores, threads, max_cpus);
1247 exit(1);
1248 }
1249
1250 smp_cpus = cpus;
1251 smp_cores = cores > 0 ? cores : 1;
1252 smp_threads = threads > 0 ? threads : 1;
1253
1254 }
1255
1256 if (max_cpus == 0) {
1257 max_cpus = smp_cpus;
1258 }
1259
1260 if (max_cpus > MAX_CPUMASK_BITS) {
1261 error_report("unsupported number of maxcpus");
1262 exit(1);
1263 }
1264 if (max_cpus < smp_cpus) {
1265 error_report("maxcpus must be equal to or greater than smp");
1266 exit(1);
1267 }
1268
1269 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1270 Error *blocker = NULL;
1271 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1272 replay_add_blocker(blocker);
1273 }
1274 }
1275
1276 static void realtime_init(void)
1277 {
1278 if (enable_mlock) {
1279 if (os_mlock() < 0) {
1280 error_report("locking memory failed");
1281 exit(1);
1282 }
1283 }
1284 }
1285
1286
1287 static void configure_msg(QemuOpts *opts)
1288 {
1289 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1290 }
1291
1292 /***********************************************************/
1293 /* Semihosting */
1294
1295 typedef struct SemihostingConfig {
1296 bool enabled;
1297 SemihostingTarget target;
1298 const char **argv;
1299 int argc;
1300 const char *cmdline; /* concatenated argv */
1301 } SemihostingConfig;
1302
1303 static SemihostingConfig semihosting;
1304
1305 bool semihosting_enabled(void)
1306 {
1307 return semihosting.enabled;
1308 }
1309
1310 SemihostingTarget semihosting_get_target(void)
1311 {
1312 return semihosting.target;
1313 }
1314
1315 const char *semihosting_get_arg(int i)
1316 {
1317 if (i >= semihosting.argc) {
1318 return NULL;
1319 }
1320 return semihosting.argv[i];
1321 }
1322
1323 int semihosting_get_argc(void)
1324 {
1325 return semihosting.argc;
1326 }
1327
1328 const char *semihosting_get_cmdline(void)
1329 {
1330 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1331 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1332 }
1333 return semihosting.cmdline;
1334 }
1335
1336 static int add_semihosting_arg(void *opaque,
1337 const char *name, const char *val,
1338 Error **errp)
1339 {
1340 SemihostingConfig *s = opaque;
1341 if (strcmp(name, "arg") == 0) {
1342 s->argc++;
1343 /* one extra element as g_strjoinv() expects NULL-terminated array */
1344 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1345 s->argv[s->argc - 1] = val;
1346 s->argv[s->argc] = NULL;
1347 }
1348 return 0;
1349 }
1350
1351 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1352 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1353 {
1354 char *cmd_token;
1355
1356 /* argv[0] */
1357 add_semihosting_arg(&semihosting, "arg", file, NULL);
1358
1359 /* split -append and initialize argv[1..n] */
1360 cmd_token = strtok(g_strdup(cmd), " ");
1361 while (cmd_token) {
1362 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1363 cmd_token = strtok(NULL, " ");
1364 }
1365 }
1366
1367 /* Now we still need this for compatibility with XEN. */
1368 bool has_igd_gfx_passthru;
1369 static void igd_gfx_passthru(void)
1370 {
1371 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1372 }
1373
1374 /***********************************************************/
1375 /* USB devices */
1376
1377 static int usb_device_add(const char *devname)
1378 {
1379 USBDevice *dev = NULL;
1380 #ifndef CONFIG_LINUX
1381 const char *p;
1382 #endif
1383
1384 if (!usb_enabled()) {
1385 return -1;
1386 }
1387
1388 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1389 dev = usbdevice_create(devname);
1390 if (dev)
1391 goto done;
1392
1393 /* the other ones */
1394 #ifndef CONFIG_LINUX
1395 /* only the linux version is qdev-ified, usb-bsd still needs this */
1396 if (strstart(devname, "host:", &p)) {
1397 dev = usb_host_device_open(usb_bus_find(-1), p);
1398 }
1399 #endif
1400 if (!dev)
1401 return -1;
1402
1403 done:
1404 return 0;
1405 }
1406
1407 static int usb_device_del(const char *devname)
1408 {
1409 int bus_num, addr;
1410 const char *p;
1411
1412 if (strstart(devname, "host:", &p)) {
1413 return -1;
1414 }
1415
1416 if (!usb_enabled()) {
1417 return -1;
1418 }
1419
1420 p = strchr(devname, '.');
1421 if (!p)
1422 return -1;
1423 bus_num = strtoul(devname, NULL, 0);
1424 addr = strtoul(p + 1, NULL, 0);
1425
1426 return usb_device_delete_addr(bus_num, addr);
1427 }
1428
1429 static int usb_parse(const char *cmdline)
1430 {
1431 int r;
1432 r = usb_device_add(cmdline);
1433 if (r < 0) {
1434 error_report("could not add USB device '%s'", cmdline);
1435 }
1436 return r;
1437 }
1438
1439 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1440 {
1441 const char *devname = qdict_get_str(qdict, "devname");
1442 if (usb_device_add(devname) < 0) {
1443 error_report("could not add USB device '%s'", devname);
1444 }
1445 }
1446
1447 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1448 {
1449 const char *devname = qdict_get_str(qdict, "devname");
1450 if (usb_device_del(devname) < 0) {
1451 error_report("could not delete USB device '%s'", devname);
1452 }
1453 }
1454
1455 /***********************************************************/
1456 /* machine registration */
1457
1458 MachineState *current_machine;
1459
1460 static MachineClass *find_machine(const char *name)
1461 {
1462 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1463 MachineClass *mc = NULL;
1464
1465 for (el = machines; el; el = el->next) {
1466 MachineClass *temp = el->data;
1467
1468 if (!strcmp(temp->name, name)) {
1469 mc = temp;
1470 break;
1471 }
1472 if (temp->alias &&
1473 !strcmp(temp->alias, name)) {
1474 mc = temp;
1475 break;
1476 }
1477 }
1478
1479 g_slist_free(machines);
1480 return mc;
1481 }
1482
1483 MachineClass *find_default_machine(void)
1484 {
1485 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1486 MachineClass *mc = NULL;
1487
1488 for (el = machines; el; el = el->next) {
1489 MachineClass *temp = el->data;
1490
1491 if (temp->is_default) {
1492 mc = temp;
1493 break;
1494 }
1495 }
1496
1497 g_slist_free(machines);
1498 return mc;
1499 }
1500
1501 MachineInfoList *qmp_query_machines(Error **errp)
1502 {
1503 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1504 MachineInfoList *mach_list = NULL;
1505
1506 for (el = machines; el; el = el->next) {
1507 MachineClass *mc = el->data;
1508 MachineInfoList *entry;
1509 MachineInfo *info;
1510
1511 info = g_malloc0(sizeof(*info));
1512 if (mc->is_default) {
1513 info->has_is_default = true;
1514 info->is_default = true;
1515 }
1516
1517 if (mc->alias) {
1518 info->has_alias = true;
1519 info->alias = g_strdup(mc->alias);
1520 }
1521
1522 info->name = g_strdup(mc->name);
1523 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1524
1525 entry = g_malloc0(sizeof(*entry));
1526 entry->value = info;
1527 entry->next = mach_list;
1528 mach_list = entry;
1529 }
1530
1531 g_slist_free(machines);
1532 return mach_list;
1533 }
1534
1535 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1536 {
1537 ObjectProperty *prop;
1538 ObjectPropertyIterator iter;
1539
1540 if (!qemu_opt_has_help_opt(opts)) {
1541 return 0;
1542 }
1543
1544 object_property_iter_init(&iter, OBJECT(machine));
1545 while ((prop = object_property_iter_next(&iter))) {
1546 if (!prop->set) {
1547 continue;
1548 }
1549
1550 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1551 prop->name, prop->type);
1552 if (prop->description) {
1553 error_printf(" (%s)\n", prop->description);
1554 } else {
1555 error_printf("\n");
1556 }
1557 }
1558
1559 return 1;
1560 }
1561
1562 /***********************************************************/
1563 /* main execution loop */
1564
1565 struct vm_change_state_entry {
1566 VMChangeStateHandler *cb;
1567 void *opaque;
1568 QLIST_ENTRY (vm_change_state_entry) entries;
1569 };
1570
1571 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1572
1573 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1574 void *opaque)
1575 {
1576 VMChangeStateEntry *e;
1577
1578 e = g_malloc0(sizeof (*e));
1579
1580 e->cb = cb;
1581 e->opaque = opaque;
1582 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1583 return e;
1584 }
1585
1586 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1587 {
1588 QLIST_REMOVE (e, entries);
1589 g_free (e);
1590 }
1591
1592 void vm_state_notify(int running, RunState state)
1593 {
1594 VMChangeStateEntry *e, *next;
1595
1596 trace_vm_state_notify(running, state);
1597
1598 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1599 e->cb(e->opaque, running, state);
1600 }
1601 }
1602
1603 /* reset/shutdown handler */
1604
1605 typedef struct QEMUResetEntry {
1606 QTAILQ_ENTRY(QEMUResetEntry) entry;
1607 QEMUResetHandler *func;
1608 void *opaque;
1609 } QEMUResetEntry;
1610
1611 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1612 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1613 static int reset_requested;
1614 static int shutdown_requested, shutdown_signal = -1;
1615 static pid_t shutdown_pid;
1616 static int powerdown_requested;
1617 static int debug_requested;
1618 static int suspend_requested;
1619 static WakeupReason wakeup_reason;
1620 static NotifierList powerdown_notifiers =
1621 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1622 static NotifierList suspend_notifiers =
1623 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1624 static NotifierList wakeup_notifiers =
1625 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1626 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1627
1628 int qemu_shutdown_requested_get(void)
1629 {
1630 return shutdown_requested;
1631 }
1632
1633 int qemu_reset_requested_get(void)
1634 {
1635 return reset_requested;
1636 }
1637
1638 static int qemu_shutdown_requested(void)
1639 {
1640 return atomic_xchg(&shutdown_requested, 0);
1641 }
1642
1643 static void qemu_kill_report(void)
1644 {
1645 if (!qtest_driver() && shutdown_signal != -1) {
1646 if (shutdown_pid == 0) {
1647 /* This happens for eg ^C at the terminal, so it's worth
1648 * avoiding printing an odd message in that case.
1649 */
1650 error_report("terminating on signal %d", shutdown_signal);
1651 } else {
1652 error_report("terminating on signal %d from pid " FMT_pid,
1653 shutdown_signal, shutdown_pid);
1654 }
1655 shutdown_signal = -1;
1656 }
1657 }
1658
1659 static int qemu_reset_requested(void)
1660 {
1661 int r = reset_requested;
1662 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1663 reset_requested = 0;
1664 return r;
1665 }
1666 return false;
1667 }
1668
1669 static int qemu_suspend_requested(void)
1670 {
1671 int r = suspend_requested;
1672 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1673 suspend_requested = 0;
1674 return r;
1675 }
1676 return false;
1677 }
1678
1679 static WakeupReason qemu_wakeup_requested(void)
1680 {
1681 return wakeup_reason;
1682 }
1683
1684 static int qemu_powerdown_requested(void)
1685 {
1686 int r = powerdown_requested;
1687 powerdown_requested = 0;
1688 return r;
1689 }
1690
1691 static int qemu_debug_requested(void)
1692 {
1693 int r = debug_requested;
1694 debug_requested = 0;
1695 return r;
1696 }
1697
1698 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1699 {
1700 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1701
1702 re->func = func;
1703 re->opaque = opaque;
1704 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1705 }
1706
1707 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1708 {
1709 QEMUResetEntry *re;
1710
1711 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1712 if (re->func == func && re->opaque == opaque) {
1713 QTAILQ_REMOVE(&reset_handlers, re, entry);
1714 g_free(re);
1715 return;
1716 }
1717 }
1718 }
1719
1720 void qemu_devices_reset(void)
1721 {
1722 QEMUResetEntry *re, *nre;
1723
1724 /* reset all devices */
1725 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1726 re->func(re->opaque);
1727 }
1728 }
1729
1730 void qemu_system_reset(bool report)
1731 {
1732 MachineClass *mc;
1733
1734 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1735
1736 if (mc && mc->reset) {
1737 mc->reset();
1738 } else {
1739 qemu_devices_reset();
1740 }
1741 if (report) {
1742 qapi_event_send_reset(&error_abort);
1743 }
1744 cpu_synchronize_all_post_reset();
1745 }
1746
1747 void qemu_system_guest_panicked(void)
1748 {
1749 if (current_cpu) {
1750 current_cpu->crash_occurred = true;
1751 }
1752 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1753 vm_stop(RUN_STATE_GUEST_PANICKED);
1754 }
1755
1756 void qemu_system_reset_request(void)
1757 {
1758 if (no_reboot) {
1759 shutdown_requested = 1;
1760 } else {
1761 reset_requested = 1;
1762 }
1763 cpu_stop_current();
1764 qemu_notify_event();
1765 }
1766
1767 static void qemu_system_suspend(void)
1768 {
1769 pause_all_vcpus();
1770 notifier_list_notify(&suspend_notifiers, NULL);
1771 runstate_set(RUN_STATE_SUSPENDED);
1772 qapi_event_send_suspend(&error_abort);
1773 }
1774
1775 void qemu_system_suspend_request(void)
1776 {
1777 if (runstate_check(RUN_STATE_SUSPENDED)) {
1778 return;
1779 }
1780 suspend_requested = 1;
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 void qemu_register_suspend_notifier(Notifier *notifier)
1786 {
1787 notifier_list_add(&suspend_notifiers, notifier);
1788 }
1789
1790 void qemu_system_wakeup_request(WakeupReason reason)
1791 {
1792 trace_system_wakeup_request(reason);
1793
1794 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1795 return;
1796 }
1797 if (!(wakeup_reason_mask & (1 << reason))) {
1798 return;
1799 }
1800 runstate_set(RUN_STATE_RUNNING);
1801 wakeup_reason = reason;
1802 qemu_notify_event();
1803 }
1804
1805 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1806 {
1807 if (enabled) {
1808 wakeup_reason_mask |= (1 << reason);
1809 } else {
1810 wakeup_reason_mask &= ~(1 << reason);
1811 }
1812 }
1813
1814 void qemu_register_wakeup_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&wakeup_notifiers, notifier);
1817 }
1818
1819 void qemu_system_killed(int signal, pid_t pid)
1820 {
1821 shutdown_signal = signal;
1822 shutdown_pid = pid;
1823 no_shutdown = 0;
1824
1825 /* Cannot call qemu_system_shutdown_request directly because
1826 * we are in a signal handler.
1827 */
1828 shutdown_requested = 1;
1829 qemu_notify_event();
1830 }
1831
1832 void qemu_system_shutdown_request(void)
1833 {
1834 trace_qemu_system_shutdown_request();
1835 replay_shutdown_request();
1836 shutdown_requested = 1;
1837 qemu_notify_event();
1838 }
1839
1840 static void qemu_system_powerdown(void)
1841 {
1842 qapi_event_send_powerdown(&error_abort);
1843 notifier_list_notify(&powerdown_notifiers, NULL);
1844 }
1845
1846 void qemu_system_powerdown_request(void)
1847 {
1848 trace_qemu_system_powerdown_request();
1849 powerdown_requested = 1;
1850 qemu_notify_event();
1851 }
1852
1853 void qemu_register_powerdown_notifier(Notifier *notifier)
1854 {
1855 notifier_list_add(&powerdown_notifiers, notifier);
1856 }
1857
1858 void qemu_system_debug_request(void)
1859 {
1860 debug_requested = 1;
1861 qemu_notify_event();
1862 }
1863
1864 static bool main_loop_should_exit(void)
1865 {
1866 RunState r;
1867 if (qemu_debug_requested()) {
1868 vm_stop(RUN_STATE_DEBUG);
1869 }
1870 if (qemu_suspend_requested()) {
1871 qemu_system_suspend();
1872 }
1873 if (qemu_shutdown_requested()) {
1874 qemu_kill_report();
1875 qapi_event_send_shutdown(&error_abort);
1876 if (no_shutdown) {
1877 vm_stop(RUN_STATE_SHUTDOWN);
1878 } else {
1879 return true;
1880 }
1881 }
1882 if (qemu_reset_requested()) {
1883 pause_all_vcpus();
1884 cpu_synchronize_all_states();
1885 qemu_system_reset(VMRESET_REPORT);
1886 resume_all_vcpus();
1887 if (runstate_needs_reset()) {
1888 runstate_set(RUN_STATE_PAUSED);
1889 }
1890 }
1891 if (qemu_wakeup_requested()) {
1892 pause_all_vcpus();
1893 cpu_synchronize_all_states();
1894 qemu_system_reset(VMRESET_SILENT);
1895 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1896 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1897 resume_all_vcpus();
1898 qapi_event_send_wakeup(&error_abort);
1899 }
1900 if (qemu_powerdown_requested()) {
1901 qemu_system_powerdown();
1902 }
1903 if (qemu_vmstop_requested(&r)) {
1904 vm_stop(r);
1905 }
1906 return false;
1907 }
1908
1909 static void main_loop(void)
1910 {
1911 bool nonblocking;
1912 int last_io = 0;
1913 #ifdef CONFIG_PROFILER
1914 int64_t ti;
1915 #endif
1916 do {
1917 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1918 #ifdef CONFIG_PROFILER
1919 ti = profile_getclock();
1920 #endif
1921 last_io = main_loop_wait(nonblocking);
1922 #ifdef CONFIG_PROFILER
1923 dev_time += profile_getclock() - ti;
1924 #endif
1925 } while (!main_loop_should_exit());
1926 }
1927
1928 static void version(void)
1929 {
1930 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1931 }
1932
1933 static void help(int exitcode)
1934 {
1935 version();
1936 printf("usage: %s [options] [disk_image]\n\n"
1937 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1938 error_get_progname());
1939
1940 #define QEMU_OPTIONS_GENERATE_HELP
1941 #include "qemu-options-wrapper.h"
1942
1943 printf("\nDuring emulation, the following keys are useful:\n"
1944 "ctrl-alt-f toggle full screen\n"
1945 "ctrl-alt-n switch to virtual console 'n'\n"
1946 "ctrl-alt toggle mouse and keyboard grab\n"
1947 "\n"
1948 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1949
1950 exit(exitcode);
1951 }
1952
1953 #define HAS_ARG 0x0001
1954
1955 typedef struct QEMUOption {
1956 const char *name;
1957 int flags;
1958 int index;
1959 uint32_t arch_mask;
1960 } QEMUOption;
1961
1962 static const QEMUOption qemu_options[] = {
1963 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1964 #define QEMU_OPTIONS_GENERATE_OPTIONS
1965 #include "qemu-options-wrapper.h"
1966 { NULL },
1967 };
1968
1969 static bool vga_available(void)
1970 {
1971 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1972 }
1973
1974 static bool cirrus_vga_available(void)
1975 {
1976 return object_class_by_name("cirrus-vga")
1977 || object_class_by_name("isa-cirrus-vga");
1978 }
1979
1980 static bool vmware_vga_available(void)
1981 {
1982 return object_class_by_name("vmware-svga");
1983 }
1984
1985 static bool qxl_vga_available(void)
1986 {
1987 return object_class_by_name("qxl-vga");
1988 }
1989
1990 static bool tcx_vga_available(void)
1991 {
1992 return object_class_by_name("SUNW,tcx");
1993 }
1994
1995 static bool cg3_vga_available(void)
1996 {
1997 return object_class_by_name("cgthree");
1998 }
1999
2000 static bool virtio_vga_available(void)
2001 {
2002 return object_class_by_name("virtio-vga");
2003 }
2004
2005 static void select_vgahw (const char *p)
2006 {
2007 const char *opts;
2008
2009 assert(vga_interface_type == VGA_NONE);
2010 if (strstart(p, "std", &opts)) {
2011 if (vga_available()) {
2012 vga_interface_type = VGA_STD;
2013 } else {
2014 error_report("standard VGA not available");
2015 exit(0);
2016 }
2017 } else if (strstart(p, "cirrus", &opts)) {
2018 if (cirrus_vga_available()) {
2019 vga_interface_type = VGA_CIRRUS;
2020 } else {
2021 error_report("Cirrus VGA not available");
2022 exit(0);
2023 }
2024 } else if (strstart(p, "vmware", &opts)) {
2025 if (vmware_vga_available()) {
2026 vga_interface_type = VGA_VMWARE;
2027 } else {
2028 error_report("VMWare SVGA not available");
2029 exit(0);
2030 }
2031 } else if (strstart(p, "virtio", &opts)) {
2032 if (virtio_vga_available()) {
2033 vga_interface_type = VGA_VIRTIO;
2034 } else {
2035 error_report("Virtio VGA not available");
2036 exit(0);
2037 }
2038 } else if (strstart(p, "xenfb", &opts)) {
2039 vga_interface_type = VGA_XENFB;
2040 } else if (strstart(p, "qxl", &opts)) {
2041 if (qxl_vga_available()) {
2042 vga_interface_type = VGA_QXL;
2043 } else {
2044 error_report("QXL VGA not available");
2045 exit(0);
2046 }
2047 } else if (strstart(p, "tcx", &opts)) {
2048 if (tcx_vga_available()) {
2049 vga_interface_type = VGA_TCX;
2050 } else {
2051 error_report("TCX framebuffer not available");
2052 exit(0);
2053 }
2054 } else if (strstart(p, "cg3", &opts)) {
2055 if (cg3_vga_available()) {
2056 vga_interface_type = VGA_CG3;
2057 } else {
2058 error_report("CG3 framebuffer not available");
2059 exit(0);
2060 }
2061 } else if (!strstart(p, "none", &opts)) {
2062 invalid_vga:
2063 error_report("unknown vga type: %s", p);
2064 exit(1);
2065 }
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",retrace=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "dumb", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_DUMB;
2073 else if (strstart(opts, "precise", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_PRECISE;
2075 else goto invalid_vga;
2076 } else goto invalid_vga;
2077 opts = nextopt;
2078 }
2079 }
2080
2081 static DisplayType select_display(const char *p)
2082 {
2083 const char *opts;
2084 DisplayType display = DT_DEFAULT;
2085
2086 if (strstart(p, "sdl", &opts)) {
2087 #ifdef CONFIG_SDL
2088 display = DT_SDL;
2089 while (*opts) {
2090 const char *nextopt;
2091
2092 if (strstart(opts, ",frame=", &nextopt)) {
2093 opts = nextopt;
2094 if (strstart(opts, "on", &nextopt)) {
2095 no_frame = 0;
2096 } else if (strstart(opts, "off", &nextopt)) {
2097 no_frame = 1;
2098 } else {
2099 goto invalid_sdl_args;
2100 }
2101 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 alt_grab = 1;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 alt_grab = 0;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 ctrl_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 ctrl_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",window_close=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 no_quit = 0;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 no_quit = 1;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else if (strstart(opts, ",gl=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "on", &nextopt)) {
2131 request_opengl = 1;
2132 } else if (strstart(opts, "off", &nextopt)) {
2133 request_opengl = 0;
2134 } else {
2135 goto invalid_sdl_args;
2136 }
2137 } else {
2138 invalid_sdl_args:
2139 error_report("invalid SDL option string");
2140 exit(1);
2141 }
2142 opts = nextopt;
2143 }
2144 #else
2145 error_report("SDL support is disabled");
2146 exit(1);
2147 #endif
2148 } else if (strstart(p, "vnc", &opts)) {
2149 #ifdef CONFIG_VNC
2150 if (*opts == '=') {
2151 Error *err = NULL;
2152 if (vnc_parse(opts + 1, &err) == NULL) {
2153 error_report_err(err);
2154 exit(1);
2155 }
2156 } else {
2157 error_report("VNC requires a display argument vnc=<display>");
2158 exit(1);
2159 }
2160 #else
2161 error_report("VNC support is disabled");
2162 exit(1);
2163 #endif
2164 } else if (strstart(p, "curses", &opts)) {
2165 #ifdef CONFIG_CURSES
2166 display = DT_CURSES;
2167 #else
2168 error_report("curses support is disabled");
2169 exit(1);
2170 #endif
2171 } else if (strstart(p, "gtk", &opts)) {
2172 #ifdef CONFIG_GTK
2173 display = DT_GTK;
2174 while (*opts) {
2175 const char *nextopt;
2176
2177 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2178 opts = nextopt;
2179 if (strstart(opts, "on", &nextopt)) {
2180 grab_on_hover = true;
2181 } else if (strstart(opts, "off", &nextopt)) {
2182 grab_on_hover = false;
2183 } else {
2184 goto invalid_gtk_args;
2185 }
2186 } else if (strstart(opts, ",gl=", &nextopt)) {
2187 opts = nextopt;
2188 if (strstart(opts, "on", &nextopt)) {
2189 request_opengl = 1;
2190 } else if (strstart(opts, "off", &nextopt)) {
2191 request_opengl = 0;
2192 } else {
2193 goto invalid_gtk_args;
2194 }
2195 } else {
2196 invalid_gtk_args:
2197 error_report("invalid GTK option string");
2198 exit(1);
2199 }
2200 opts = nextopt;
2201 }
2202 #else
2203 error_report("GTK support is disabled");
2204 exit(1);
2205 #endif
2206 } else if (strstart(p, "none", &opts)) {
2207 display = DT_NONE;
2208 } else {
2209 error_report("unknown display type");
2210 exit(1);
2211 }
2212
2213 return display;
2214 }
2215
2216 static int balloon_parse(const char *arg)
2217 {
2218 QemuOpts *opts;
2219
2220 if (strcmp(arg, "none") == 0) {
2221 return 0;
2222 }
2223
2224 if (!strncmp(arg, "virtio", 6)) {
2225 if (arg[6] == ',') {
2226 /* have params -> parse them */
2227 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2228 false);
2229 if (!opts)
2230 return -1;
2231 } else {
2232 /* create empty opts */
2233 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2234 &error_abort);
2235 }
2236 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2237 return 0;
2238 }
2239
2240 return -1;
2241 }
2242
2243 char *qemu_find_file(int type, const char *name)
2244 {
2245 int i;
2246 const char *subdir;
2247 char *buf;
2248
2249 /* Try the name as a straight path first */
2250 if (access(name, R_OK) == 0) {
2251 trace_load_file(name, name);
2252 return g_strdup(name);
2253 }
2254
2255 switch (type) {
2256 case QEMU_FILE_TYPE_BIOS:
2257 subdir = "";
2258 break;
2259 case QEMU_FILE_TYPE_KEYMAP:
2260 subdir = "keymaps/";
2261 break;
2262 default:
2263 abort();
2264 }
2265
2266 for (i = 0; i < data_dir_idx; i++) {
2267 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2268 if (access(buf, R_OK) == 0) {
2269 trace_load_file(name, buf);
2270 return buf;
2271 }
2272 g_free(buf);
2273 }
2274 return NULL;
2275 }
2276
2277 static inline bool nonempty_str(const char *str)
2278 {
2279 return str && *str;
2280 }
2281
2282 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2283 {
2284 gchar *buf;
2285 size_t size;
2286 const char *name, *file, *str;
2287
2288 if (opaque == NULL) {
2289 error_report("fw_cfg device not available");
2290 return -1;
2291 }
2292 name = qemu_opt_get(opts, "name");
2293 file = qemu_opt_get(opts, "file");
2294 str = qemu_opt_get(opts, "string");
2295
2296 /* we need name and either a file or the content string */
2297 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2298 error_report("invalid argument(s)");
2299 return -1;
2300 }
2301 if (nonempty_str(file) && nonempty_str(str)) {
2302 error_report("file and string are mutually exclusive");
2303 return -1;
2304 }
2305 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2306 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2307 return -1;
2308 }
2309 if (strncmp(name, "opt/", 4) != 0) {
2310 error_report("warning: externally provided fw_cfg item names "
2311 "should be prefixed with \"opt/\"");
2312 }
2313 if (nonempty_str(str)) {
2314 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2315 buf = g_memdup(str, size);
2316 } else {
2317 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2318 error_report("can't load %s", file);
2319 return -1;
2320 }
2321 }
2322 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2323 return 0;
2324 }
2325
2326 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 return qdev_device_help(opts);
2329 }
2330
2331 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2332 {
2333 Error *err = NULL;
2334 DeviceState *dev;
2335
2336 dev = qdev_device_add(opts, &err);
2337 if (!dev) {
2338 error_report_err(err);
2339 return -1;
2340 }
2341 object_unref(OBJECT(dev));
2342 return 0;
2343 }
2344
2345 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 Error *local_err = NULL;
2348
2349 qemu_chr_new_from_opts(opts, NULL, &local_err);
2350 if (local_err) {
2351 error_report_err(local_err);
2352 return -1;
2353 }
2354 return 0;
2355 }
2356
2357 #ifdef CONFIG_VIRTFS
2358 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2359 {
2360 int ret;
2361 ret = qemu_fsdev_add(opts);
2362
2363 return ret;
2364 }
2365 #endif
2366
2367 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2368 {
2369 CharDriverState *chr;
2370 const char *chardev;
2371 const char *mode;
2372 int flags;
2373
2374 mode = qemu_opt_get(opts, "mode");
2375 if (mode == NULL) {
2376 mode = "readline";
2377 }
2378 if (strcmp(mode, "readline") == 0) {
2379 flags = MONITOR_USE_READLINE;
2380 } else if (strcmp(mode, "control") == 0) {
2381 flags = MONITOR_USE_CONTROL;
2382 } else {
2383 error_report("unknown monitor mode \"%s\"", mode);
2384 exit(1);
2385 }
2386
2387 if (qemu_opt_get_bool(opts, "pretty", 0))
2388 flags |= MONITOR_USE_PRETTY;
2389
2390 if (qemu_opt_get_bool(opts, "default", 0))
2391 flags |= MONITOR_IS_DEFAULT;
2392
2393 chardev = qemu_opt_get(opts, "chardev");
2394 chr = qemu_chr_find(chardev);
2395 if (chr == NULL) {
2396 error_report("chardev \"%s\" not found", chardev);
2397 exit(1);
2398 }
2399
2400 qemu_chr_fe_claim_no_fail(chr);
2401 monitor_init(chr, flags);
2402 return 0;
2403 }
2404
2405 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2406 {
2407 static int monitor_device_index = 0;
2408 Error *local_err = NULL;
2409 QemuOpts *opts;
2410 const char *p;
2411 char label[32];
2412 int def = 0;
2413
2414 if (strstart(optarg, "chardev:", &p)) {
2415 snprintf(label, sizeof(label), "%s", p);
2416 } else {
2417 snprintf(label, sizeof(label), "compat_monitor%d",
2418 monitor_device_index);
2419 if (monitor_device_index == 0) {
2420 def = 1;
2421 }
2422 opts = qemu_chr_parse_compat(label, optarg);
2423 if (!opts) {
2424 error_report("parse error: %s", optarg);
2425 exit(1);
2426 }
2427 }
2428
2429 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2430 if (!opts) {
2431 error_report_err(local_err);
2432 exit(1);
2433 }
2434 qemu_opt_set(opts, "mode", mode, &error_abort);
2435 qemu_opt_set(opts, "chardev", label, &error_abort);
2436 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2437 if (def)
2438 qemu_opt_set(opts, "default", "on", &error_abort);
2439 monitor_device_index++;
2440 }
2441
2442 struct device_config {
2443 enum {
2444 DEV_USB, /* -usbdevice */
2445 DEV_BT, /* -bt */
2446 DEV_SERIAL, /* -serial */
2447 DEV_PARALLEL, /* -parallel */
2448 DEV_VIRTCON, /* -virtioconsole */
2449 DEV_DEBUGCON, /* -debugcon */
2450 DEV_GDB, /* -gdb, -s */
2451 DEV_SCLP, /* s390 sclp */
2452 } type;
2453 const char *cmdline;
2454 Location loc;
2455 QTAILQ_ENTRY(device_config) next;
2456 };
2457
2458 static QTAILQ_HEAD(, device_config) device_configs =
2459 QTAILQ_HEAD_INITIALIZER(device_configs);
2460
2461 static void add_device_config(int type, const char *cmdline)
2462 {
2463 struct device_config *conf;
2464
2465 conf = g_malloc0(sizeof(*conf));
2466 conf->type = type;
2467 conf->cmdline = cmdline;
2468 loc_save(&conf->loc);
2469 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2470 }
2471
2472 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2473 {
2474 struct device_config *conf;
2475 int rc;
2476
2477 QTAILQ_FOREACH(conf, &device_configs, next) {
2478 if (conf->type != type)
2479 continue;
2480 loc_push_restore(&conf->loc);
2481 rc = func(conf->cmdline);
2482 loc_pop(&conf->loc);
2483 if (rc) {
2484 return rc;
2485 }
2486 }
2487 return 0;
2488 }
2489
2490 static int serial_parse(const char *devname)
2491 {
2492 static int index = 0;
2493 char label[32];
2494
2495 if (strcmp(devname, "none") == 0)
2496 return 0;
2497 if (index == MAX_SERIAL_PORTS) {
2498 error_report("too many serial ports");
2499 exit(1);
2500 }
2501 snprintf(label, sizeof(label), "serial%d", index);
2502 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2503 if (!serial_hds[index]) {
2504 error_report("could not connect serial device"
2505 " to character backend '%s'", devname);
2506 return -1;
2507 }
2508 index++;
2509 return 0;
2510 }
2511
2512 static int parallel_parse(const char *devname)
2513 {
2514 static int index = 0;
2515 char label[32];
2516
2517 if (strcmp(devname, "none") == 0)
2518 return 0;
2519 if (index == MAX_PARALLEL_PORTS) {
2520 error_report("too many parallel ports");
2521 exit(1);
2522 }
2523 snprintf(label, sizeof(label), "parallel%d", index);
2524 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2525 if (!parallel_hds[index]) {
2526 error_report("could not connect parallel device"
2527 " to character backend '%s'", devname);
2528 return -1;
2529 }
2530 index++;
2531 return 0;
2532 }
2533
2534 static int virtcon_parse(const char *devname)
2535 {
2536 QemuOptsList *device = qemu_find_opts("device");
2537 static int index = 0;
2538 char label[32];
2539 QemuOpts *bus_opts, *dev_opts;
2540
2541 if (strcmp(devname, "none") == 0)
2542 return 0;
2543 if (index == MAX_VIRTIO_CONSOLES) {
2544 error_report("too many virtio consoles");
2545 exit(1);
2546 }
2547
2548 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2549 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2550
2551 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2552 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2553
2554 snprintf(label, sizeof(label), "virtcon%d", index);
2555 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2556 if (!virtcon_hds[index]) {
2557 error_report("could not connect virtio console"
2558 " to character backend '%s'", devname);
2559 return -1;
2560 }
2561 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2562
2563 index++;
2564 return 0;
2565 }
2566
2567 static int sclp_parse(const char *devname)
2568 {
2569 QemuOptsList *device = qemu_find_opts("device");
2570 static int index = 0;
2571 char label[32];
2572 QemuOpts *dev_opts;
2573
2574 if (strcmp(devname, "none") == 0) {
2575 return 0;
2576 }
2577 if (index == MAX_SCLP_CONSOLES) {
2578 error_report("too many sclp consoles");
2579 exit(1);
2580 }
2581
2582 assert(arch_type == QEMU_ARCH_S390X);
2583
2584 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2585 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2586
2587 snprintf(label, sizeof(label), "sclpcon%d", index);
2588 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2589 if (!sclp_hds[index]) {
2590 error_report("could not connect sclp console"
2591 " to character backend '%s'", devname);
2592 return -1;
2593 }
2594 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2595
2596 index++;
2597 return 0;
2598 }
2599
2600 static int debugcon_parse(const char *devname)
2601 {
2602 QemuOpts *opts;
2603
2604 if (!qemu_chr_new("debugcon", devname, NULL)) {
2605 exit(1);
2606 }
2607 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2608 if (!opts) {
2609 error_report("already have a debugcon device");
2610 exit(1);
2611 }
2612 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2613 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2614 return 0;
2615 }
2616
2617 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2618 {
2619 const MachineClass *mc1 = a, *mc2 = b;
2620 int res;
2621
2622 if (mc1->family == NULL) {
2623 if (mc2->family == NULL) {
2624 /* Compare standalone machine types against each other; they sort
2625 * in increasing order.
2626 */
2627 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2628 object_class_get_name(OBJECT_CLASS(mc2)));
2629 }
2630
2631 /* Standalone machine types sort after families. */
2632 return 1;
2633 }
2634
2635 if (mc2->family == NULL) {
2636 /* Families sort before standalone machine types. */
2637 return -1;
2638 }
2639
2640 /* Families sort between each other alphabetically increasingly. */
2641 res = strcmp(mc1->family, mc2->family);
2642 if (res != 0) {
2643 return res;
2644 }
2645
2646 /* Within the same family, machine types sort in decreasing order. */
2647 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2648 object_class_get_name(OBJECT_CLASS(mc1)));
2649 }
2650
2651 static MachineClass *machine_parse(const char *name)
2652 {
2653 MachineClass *mc = NULL;
2654 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2655
2656 if (name) {
2657 mc = find_machine(name);
2658 }
2659 if (mc) {
2660 g_slist_free(machines);
2661 return mc;
2662 }
2663 if (name && !is_help_option(name)) {
2664 error_report("unsupported machine type");
2665 error_printf("Use -machine help to list supported machines\n");
2666 } else {
2667 printf("Supported machines are:\n");
2668 machines = g_slist_sort(machines, machine_class_cmp);
2669 for (el = machines; el; el = el->next) {
2670 MachineClass *mc = el->data;
2671 if (mc->alias) {
2672 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2673 }
2674 printf("%-20s %s%s\n", mc->name, mc->desc,
2675 mc->is_default ? " (default)" : "");
2676 }
2677 }
2678
2679 g_slist_free(machines);
2680 exit(!name || !is_help_option(name));
2681 }
2682
2683 void qemu_add_exit_notifier(Notifier *notify)
2684 {
2685 notifier_list_add(&exit_notifiers, notify);
2686 }
2687
2688 void qemu_remove_exit_notifier(Notifier *notify)
2689 {
2690 notifier_remove(notify);
2691 }
2692
2693 static void qemu_run_exit_notifiers(void)
2694 {
2695 notifier_list_notify(&exit_notifiers, NULL);
2696 }
2697
2698 static bool machine_init_done;
2699
2700 void qemu_add_machine_init_done_notifier(Notifier *notify)
2701 {
2702 notifier_list_add(&machine_init_done_notifiers, notify);
2703 if (machine_init_done) {
2704 notify->notify(notify, NULL);
2705 }
2706 }
2707
2708 static void qemu_run_machine_init_done_notifiers(void)
2709 {
2710 notifier_list_notify(&machine_init_done_notifiers, NULL);
2711 machine_init_done = true;
2712 }
2713
2714 static const QEMUOption *lookup_opt(int argc, char **argv,
2715 const char **poptarg, int *poptind)
2716 {
2717 const QEMUOption *popt;
2718 int optind = *poptind;
2719 char *r = argv[optind];
2720 const char *optarg;
2721
2722 loc_set_cmdline(argv, optind, 1);
2723 optind++;
2724 /* Treat --foo the same as -foo. */
2725 if (r[1] == '-')
2726 r++;
2727 popt = qemu_options;
2728 for(;;) {
2729 if (!popt->name) {
2730 error_report("invalid option");
2731 exit(1);
2732 }
2733 if (!strcmp(popt->name, r + 1))
2734 break;
2735 popt++;
2736 }
2737 if (popt->flags & HAS_ARG) {
2738 if (optind >= argc) {
2739 error_report("requires an argument");
2740 exit(1);
2741 }
2742 optarg = argv[optind++];
2743 loc_set_cmdline(argv, optind - 2, 2);
2744 } else {
2745 optarg = NULL;
2746 }
2747
2748 *poptarg = optarg;
2749 *poptind = optind;
2750
2751 return popt;
2752 }
2753
2754 static int machine_set_property(void *opaque,
2755 const char *name, const char *value,
2756 Error **errp)
2757 {
2758 Object *obj = OBJECT(opaque);
2759 Error *local_err = NULL;
2760 char *c, *qom_name;
2761
2762 if (strcmp(name, "type") == 0) {
2763 return 0;
2764 }
2765
2766 qom_name = g_strdup(name);
2767 c = qom_name;
2768 while (*c++) {
2769 if (*c == '_') {
2770 *c = '-';
2771 }
2772 }
2773
2774 object_property_parse(obj, value, qom_name, &local_err);
2775 g_free(qom_name);
2776
2777 if (local_err) {
2778 error_report_err(local_err);
2779 return -1;
2780 }
2781
2782 return 0;
2783 }
2784
2785
2786 /*
2787 * Initial object creation happens before all other
2788 * QEMU data types are created. The majority of objects
2789 * can be created at this point. The rng-egd object
2790 * cannot be created here, as it depends on the chardev
2791 * already existing.
2792 */
2793 static bool object_create_initial(const char *type)
2794 {
2795 if (g_str_equal(type, "rng-egd")) {
2796 return false;
2797 }
2798
2799 /*
2800 * return false for concrete netfilters since
2801 * they depend on netdevs already existing
2802 */
2803 if (g_str_equal(type, "filter-buffer") ||
2804 g_str_equal(type, "filter-dump")) {
2805 return false;
2806 }
2807
2808 return true;
2809 }
2810
2811
2812 /*
2813 * The remainder of object creation happens after the
2814 * creation of chardev, fsdev, net clients and device data types.
2815 */
2816 static bool object_create_delayed(const char *type)
2817 {
2818 return !object_create_initial(type);
2819 }
2820
2821
2822 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2823 {
2824 Error *err = NULL;
2825 char *type = NULL;
2826 char *id = NULL;
2827 void *dummy = NULL;
2828 OptsVisitor *ov;
2829 QDict *pdict;
2830 bool (*type_predicate)(const char *) = opaque;
2831
2832 ov = opts_visitor_new(opts);
2833 pdict = qemu_opts_to_qdict(opts, NULL);
2834
2835 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2836 if (err) {
2837 goto out;
2838 }
2839
2840 qdict_del(pdict, "qom-type");
2841 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2842 if (err) {
2843 goto out;
2844 }
2845 if (!type_predicate(type)) {
2846 goto out;
2847 }
2848
2849 qdict_del(pdict, "id");
2850 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2851 if (err) {
2852 goto out;
2853 }
2854
2855 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2856 if (err) {
2857 goto out;
2858 }
2859 visit_end_struct(opts_get_visitor(ov), &err);
2860 if (err) {
2861 qmp_object_del(id, NULL);
2862 }
2863
2864 out:
2865 opts_visitor_cleanup(ov);
2866
2867 QDECREF(pdict);
2868 g_free(id);
2869 g_free(type);
2870 g_free(dummy);
2871 if (err) {
2872 error_report_err(err);
2873 return -1;
2874 }
2875 return 0;
2876 }
2877
2878 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2879 MachineClass *mc)
2880 {
2881 uint64_t sz;
2882 const char *mem_str;
2883 const char *maxmem_str, *slots_str;
2884 const ram_addr_t default_ram_size = mc->default_ram_size;
2885 QemuOpts *opts = qemu_find_opts_singleton("memory");
2886
2887 sz = 0;
2888 mem_str = qemu_opt_get(opts, "size");
2889 if (mem_str) {
2890 if (!*mem_str) {
2891 error_report("missing 'size' option value");
2892 exit(EXIT_FAILURE);
2893 }
2894
2895 sz = qemu_opt_get_size(opts, "size", ram_size);
2896
2897 /* Fix up legacy suffix-less format */
2898 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2899 uint64_t overflow_check = sz;
2900
2901 sz <<= 20;
2902 if ((sz >> 20) != overflow_check) {
2903 error_report("too large 'size' option value");
2904 exit(EXIT_FAILURE);
2905 }
2906 }
2907 }
2908
2909 /* backward compatibility behaviour for case "-m 0" */
2910 if (sz == 0) {
2911 sz = default_ram_size;
2912 }
2913
2914 sz = QEMU_ALIGN_UP(sz, 8192);
2915 ram_size = sz;
2916 if (ram_size != sz) {
2917 error_report("ram size too large");
2918 exit(EXIT_FAILURE);
2919 }
2920
2921 /* store value for the future use */
2922 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2923 *maxram_size = ram_size;
2924
2925 maxmem_str = qemu_opt_get(opts, "maxmem");
2926 slots_str = qemu_opt_get(opts, "slots");
2927 if (maxmem_str && slots_str) {
2928 uint64_t slots;
2929
2930 sz = qemu_opt_get_size(opts, "maxmem", 0);
2931 slots = qemu_opt_get_number(opts, "slots", 0);
2932 if (sz < ram_size) {
2933 error_report("invalid value of -m option maxmem: "
2934 "maximum memory size (0x%" PRIx64 ") must be at least "
2935 "the initial memory size (0x" RAM_ADDR_FMT ")",
2936 sz, ram_size);
2937 exit(EXIT_FAILURE);
2938 } else if (sz > ram_size) {
2939 if (!slots) {
2940 error_report("invalid value of -m option: maxmem was "
2941 "specified, but no hotplug slots were specified");
2942 exit(EXIT_FAILURE);
2943 }
2944 } else if (slots) {
2945 error_report("invalid value of -m option maxmem: "
2946 "memory slots were specified but maximum memory size "
2947 "(0x%" PRIx64 ") is equal to the initial memory size "
2948 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2949 exit(EXIT_FAILURE);
2950 }
2951
2952 *maxram_size = sz;
2953 *ram_slots = slots;
2954 } else if ((!maxmem_str && slots_str) ||
2955 (maxmem_str && !slots_str)) {
2956 error_report("invalid -m option value: missing "
2957 "'%s' option", slots_str ? "maxmem" : "slots");
2958 exit(EXIT_FAILURE);
2959 }
2960 }
2961
2962 int main(int argc, char **argv, char **envp)
2963 {
2964 int i;
2965 int snapshot, linux_boot;
2966 const char *initrd_filename;
2967 const char *kernel_filename, *kernel_cmdline;
2968 const char *boot_order = NULL;
2969 const char *boot_once = NULL;
2970 DisplayState *ds;
2971 int cyls, heads, secs, translation;
2972 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2973 QemuOptsList *olist;
2974 int optind;
2975 const char *optarg;
2976 const char *loadvm = NULL;
2977 MachineClass *machine_class;
2978 const char *cpu_model;
2979 const char *vga_model = NULL;
2980 const char *qtest_chrdev = NULL;
2981 const char *qtest_log = NULL;
2982 const char *pid_file = NULL;
2983 const char *incoming = NULL;
2984 #ifdef CONFIG_VNC
2985 int show_vnc_port = 0;
2986 #endif
2987 bool defconfig = true;
2988 bool userconfig = true;
2989 const char *log_mask = NULL;
2990 const char *log_file = NULL;
2991 const char *trace_events = NULL;
2992 const char *trace_file = NULL;
2993 ram_addr_t maxram_size;
2994 uint64_t ram_slots = 0;
2995 FILE *vmstate_dump_file = NULL;
2996 Error *main_loop_err = NULL;
2997 Error *err = NULL;
2998
2999 qemu_init_cpu_loop();
3000 qemu_mutex_lock_iothread();
3001
3002 atexit(qemu_run_exit_notifiers);
3003 error_set_progname(argv[0]);
3004 qemu_init_exec_dir(argv[0]);
3005
3006 module_call_init(MODULE_INIT_QOM);
3007
3008 qemu_add_opts(&qemu_drive_opts);
3009 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3010 qemu_add_drive_opts(&qemu_common_drive_opts);
3011 qemu_add_drive_opts(&qemu_drive_opts);
3012 qemu_add_opts(&qemu_chardev_opts);
3013 qemu_add_opts(&qemu_device_opts);
3014 qemu_add_opts(&qemu_netdev_opts);
3015 qemu_add_opts(&qemu_net_opts);
3016 qemu_add_opts(&qemu_rtc_opts);
3017 qemu_add_opts(&qemu_global_opts);
3018 qemu_add_opts(&qemu_mon_opts);
3019 qemu_add_opts(&qemu_trace_opts);
3020 qemu_add_opts(&qemu_option_rom_opts);
3021 qemu_add_opts(&qemu_machine_opts);
3022 qemu_add_opts(&qemu_mem_opts);
3023 qemu_add_opts(&qemu_smp_opts);
3024 qemu_add_opts(&qemu_boot_opts);
3025 qemu_add_opts(&qemu_sandbox_opts);
3026 qemu_add_opts(&qemu_add_fd_opts);
3027 qemu_add_opts(&qemu_object_opts);
3028 qemu_add_opts(&qemu_tpmdev_opts);
3029 qemu_add_opts(&qemu_realtime_opts);
3030 qemu_add_opts(&qemu_msg_opts);
3031 qemu_add_opts(&qemu_name_opts);
3032 qemu_add_opts(&qemu_numa_opts);
3033 qemu_add_opts(&qemu_icount_opts);
3034 qemu_add_opts(&qemu_semihosting_config_opts);
3035 qemu_add_opts(&qemu_fw_cfg_opts);
3036
3037 runstate_init();
3038
3039 if (qcrypto_init(&err) < 0) {
3040 error_reportf_err(err, "cannot initialize crypto: ");
3041 exit(1);
3042 }
3043 rtc_clock = QEMU_CLOCK_HOST;
3044
3045 QLIST_INIT (&vm_change_state_head);
3046 os_setup_early_signal_handling();
3047
3048 module_call_init(MODULE_INIT_MACHINE);
3049 machine_class = find_default_machine();
3050 cpu_model = NULL;
3051 snapshot = 0;
3052 cyls = heads = secs = 0;
3053 translation = BIOS_ATA_TRANSLATION_AUTO;
3054
3055 nb_nics = 0;
3056
3057 bdrv_init_with_whitelist();
3058
3059 autostart = 1;
3060
3061 /* first pass of option parsing */
3062 optind = 1;
3063 while (optind < argc) {
3064 if (argv[optind][0] != '-') {
3065 /* disk image */
3066 optind++;
3067 } else {
3068 const QEMUOption *popt;
3069
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 switch (popt->index) {
3072 case QEMU_OPTION_nodefconfig:
3073 defconfig = false;
3074 break;
3075 case QEMU_OPTION_nouserconfig:
3076 userconfig = false;
3077 break;
3078 }
3079 }
3080 }
3081
3082 if (defconfig) {
3083 int ret;
3084 ret = qemu_read_default_config_files(userconfig);
3085 if (ret < 0) {
3086 exit(1);
3087 }
3088 }
3089
3090 /* second pass of option parsing */
3091 optind = 1;
3092 for(;;) {
3093 if (optind >= argc)
3094 break;
3095 if (argv[optind][0] != '-') {
3096 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3097 } else {
3098 const QEMUOption *popt;
3099
3100 popt = lookup_opt(argc, argv, &optarg, &optind);
3101 if (!(popt->arch_mask & arch_type)) {
3102 printf("Option %s not supported for this target\n", popt->name);
3103 exit(1);
3104 }
3105 switch(popt->index) {
3106 case QEMU_OPTION_no_kvm_irqchip: {
3107 olist = qemu_find_opts("machine");
3108 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3109 break;
3110 }
3111 case QEMU_OPTION_cpu:
3112 /* hw initialization will check this */
3113 cpu_model = optarg;
3114 break;
3115 case QEMU_OPTION_hda:
3116 {
3117 char buf[256];
3118 if (cyls == 0)
3119 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3120 else
3121 snprintf(buf, sizeof(buf),
3122 "%s,cyls=%d,heads=%d,secs=%d%s",
3123 HD_OPTS , cyls, heads, secs,
3124 translation == BIOS_ATA_TRANSLATION_LBA ?
3125 ",trans=lba" :
3126 translation == BIOS_ATA_TRANSLATION_NONE ?
3127 ",trans=none" : "");
3128 drive_add(IF_DEFAULT, 0, optarg, buf);
3129 break;
3130 }
3131 case QEMU_OPTION_hdb:
3132 case QEMU_OPTION_hdc:
3133 case QEMU_OPTION_hdd:
3134 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3135 HD_OPTS);
3136 break;
3137 case QEMU_OPTION_drive:
3138 if (drive_def(optarg) == NULL) {
3139 exit(1);
3140 }
3141 break;
3142 case QEMU_OPTION_set:
3143 if (qemu_set_option(optarg) != 0)
3144 exit(1);
3145 break;
3146 case QEMU_OPTION_global:
3147 if (qemu_global_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_mtdblock:
3151 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3152 break;
3153 case QEMU_OPTION_sd:
3154 drive_add(IF_SD, -1, optarg, SD_OPTS);
3155 break;
3156 case QEMU_OPTION_pflash:
3157 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3158 break;
3159 case QEMU_OPTION_snapshot:
3160 snapshot = 1;
3161 break;
3162 case QEMU_OPTION_hdachs:
3163 {
3164 const char *p;
3165 p = optarg;
3166 cyls = strtol(p, (char **)&p, 0);
3167 if (cyls < 1 || cyls > 16383)
3168 goto chs_fail;
3169 if (*p != ',')
3170 goto chs_fail;
3171 p++;
3172 heads = strtol(p, (char **)&p, 0);
3173 if (heads < 1 || heads > 16)
3174 goto chs_fail;
3175 if (*p != ',')
3176 goto chs_fail;
3177 p++;
3178 secs = strtol(p, (char **)&p, 0);
3179 if (secs < 1 || secs > 63)
3180 goto chs_fail;
3181 if (*p == ',') {
3182 p++;
3183 if (!strcmp(p, "large")) {
3184 translation = BIOS_ATA_TRANSLATION_LARGE;
3185 } else if (!strcmp(p, "rechs")) {
3186 translation = BIOS_ATA_TRANSLATION_RECHS;
3187 } else if (!strcmp(p, "none")) {
3188 translation = BIOS_ATA_TRANSLATION_NONE;
3189 } else if (!strcmp(p, "lba")) {
3190 translation = BIOS_ATA_TRANSLATION_LBA;
3191 } else if (!strcmp(p, "auto")) {
3192 translation = BIOS_ATA_TRANSLATION_AUTO;
3193 } else {
3194 goto chs_fail;
3195 }
3196 } else if (*p != '\0') {
3197 chs_fail:
3198 error_report("invalid physical CHS format");
3199 exit(1);
3200 }
3201 if (hda_opts != NULL) {
3202 qemu_opt_set_number(hda_opts, "cyls", cyls,
3203 &error_abort);
3204 qemu_opt_set_number(hda_opts, "heads", heads,
3205 &error_abort);
3206 qemu_opt_set_number(hda_opts, "secs", secs,
3207 &error_abort);
3208 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3209 qemu_opt_set(hda_opts, "trans", "large",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3212 qemu_opt_set(hda_opts, "trans", "rechs",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3215 qemu_opt_set(hda_opts, "trans", "lba",
3216 &error_abort);
3217 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3218 qemu_opt_set(hda_opts, "trans", "none",
3219 &error_abort);
3220 }
3221 }
3222 }
3223 break;
3224 case QEMU_OPTION_numa:
3225 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3226 optarg, true);
3227 if (!opts) {
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_display:
3232 display_type = select_display(optarg);
3233 break;
3234 case QEMU_OPTION_nographic:
3235 display_type = DT_NOGRAPHIC;
3236 break;
3237 case QEMU_OPTION_curses:
3238 #ifdef CONFIG_CURSES
3239 display_type = DT_CURSES;
3240 #else
3241 error_report("curses support is disabled");
3242 exit(1);
3243 #endif
3244 break;
3245 case QEMU_OPTION_portrait:
3246 graphic_rotate = 90;
3247 break;
3248 case QEMU_OPTION_rotate:
3249 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3250 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3251 graphic_rotate != 180 && graphic_rotate != 270) {
3252 error_report("only 90, 180, 270 deg rotation is available");
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_kernel:
3257 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3258 &error_abort);
3259 break;
3260 case QEMU_OPTION_initrd:
3261 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3262 &error_abort);
3263 break;
3264 case QEMU_OPTION_append:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3266 &error_abort);
3267 break;
3268 case QEMU_OPTION_dtb:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3270 &error_abort);
3271 break;
3272 case QEMU_OPTION_cdrom:
3273 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3274 break;
3275 case QEMU_OPTION_boot:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3277 optarg, true);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_fda:
3283 case QEMU_OPTION_fdb:
3284 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3285 optarg, FD_OPTS);
3286 break;
3287 case QEMU_OPTION_no_fd_bootchk:
3288 fd_bootchk = 0;
3289 break;
3290 case QEMU_OPTION_netdev:
3291 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_net:
3296 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3297 exit(1);
3298 }
3299 break;
3300 #ifdef CONFIG_LIBISCSI
3301 case QEMU_OPTION_iscsi:
3302 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3303 optarg, false);
3304 if (!opts) {
3305 exit(1);
3306 }
3307 break;
3308 #endif
3309 #ifdef CONFIG_SLIRP
3310 case QEMU_OPTION_tftp:
3311 legacy_tftp_prefix = optarg;
3312 break;
3313 case QEMU_OPTION_bootp:
3314 legacy_bootp_filename = optarg;
3315 break;
3316 case QEMU_OPTION_redir:
3317 if (net_slirp_redir(optarg) < 0)
3318 exit(1);
3319 break;
3320 #endif
3321 case QEMU_OPTION_bt:
3322 add_device_config(DEV_BT, optarg);
3323 break;
3324 case QEMU_OPTION_audio_help:
3325 AUD_help ();
3326 exit (0);
3327 break;
3328 case QEMU_OPTION_soundhw:
3329 select_soundhw (optarg);
3330 break;
3331 case QEMU_OPTION_h:
3332 help(0);
3333 break;
3334 case QEMU_OPTION_version:
3335 version();
3336 exit(0);
3337 break;
3338 case QEMU_OPTION_m:
3339 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3340 optarg, true);
3341 if (!opts) {
3342 exit(EXIT_FAILURE);
3343 }
3344 break;
3345 #ifdef CONFIG_TPM
3346 case QEMU_OPTION_tpmdev:
3347 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3348 exit(1);
3349 }
3350 break;
3351 #endif
3352 case QEMU_OPTION_mempath:
3353 mem_path = optarg;
3354 break;
3355 case QEMU_OPTION_mem_prealloc:
3356 mem_prealloc = 1;
3357 break;
3358 case QEMU_OPTION_d:
3359 log_mask = optarg;
3360 break;
3361 case QEMU_OPTION_D:
3362 log_file = optarg;
3363 break;
3364 case QEMU_OPTION_s:
3365 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3366 break;
3367 case QEMU_OPTION_gdb:
3368 add_device_config(DEV_GDB, optarg);
3369 break;
3370 case QEMU_OPTION_L:
3371 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3372 data_dir[data_dir_idx++] = optarg;
3373 }
3374 break;
3375 case QEMU_OPTION_bios:
3376 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3377 &error_abort);
3378 break;
3379 case QEMU_OPTION_singlestep:
3380 singlestep = 1;
3381 break;
3382 case QEMU_OPTION_S:
3383 autostart = 0;
3384 break;
3385 case QEMU_OPTION_k:
3386 keyboard_layout = optarg;
3387 break;
3388 case QEMU_OPTION_localtime:
3389 rtc_utc = 0;
3390 break;
3391 case QEMU_OPTION_vga:
3392 vga_model = optarg;
3393 default_vga = 0;
3394 break;
3395 case QEMU_OPTION_g:
3396 {
3397 const char *p;
3398 int w, h, depth;
3399 p = optarg;
3400 w = strtol(p, (char **)&p, 10);
3401 if (w <= 0) {
3402 graphic_error:
3403 error_report("invalid resolution or depth");
3404 exit(1);
3405 }
3406 if (*p != 'x')
3407 goto graphic_error;
3408 p++;
3409 h = strtol(p, (char **)&p, 10);
3410 if (h <= 0)
3411 goto graphic_error;
3412 if (*p == 'x') {
3413 p++;
3414 depth = strtol(p, (char **)&p, 10);
3415 if (depth != 8 && depth != 15 && depth != 16 &&
3416 depth != 24 && depth != 32)
3417 goto graphic_error;
3418 } else if (*p == '\0') {
3419 depth = graphic_depth;
3420 } else {
3421 goto graphic_error;
3422 }
3423
3424 graphic_width = w;
3425 graphic_height = h;
3426 graphic_depth = depth;
3427 }
3428 break;
3429 case QEMU_OPTION_echr:
3430 {
3431 char *r;
3432 term_escape_char = strtol(optarg, &r, 0);
3433 if (r == optarg)
3434 printf("Bad argument to echr\n");
3435 break;
3436 }
3437 case QEMU_OPTION_monitor:
3438 default_monitor = 0;
3439 if (strncmp(optarg, "none", 4)) {
3440 monitor_parse(optarg, "readline", false);
3441 }
3442 break;
3443 case QEMU_OPTION_qmp:
3444 monitor_parse(optarg, "control", false);
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_qmp_pretty:
3448 monitor_parse(optarg, "control", true);
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_mon:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3453 true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 default_monitor = 0;
3458 break;
3459 case QEMU_OPTION_chardev:
3460 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3461 optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465 break;
3466 case QEMU_OPTION_fsdev:
3467 olist = qemu_find_opts("fsdev");
3468 if (!olist) {
3469 error_report("fsdev support is disabled");
3470 exit(1);
3471 }
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 if (!opts) {
3474 exit(1);
3475 }
3476 break;
3477 case QEMU_OPTION_virtfs: {
3478 QemuOpts *fsdev;
3479 QemuOpts *device;
3480 const char *writeout, *sock_fd, *socket;
3481
3482 olist = qemu_find_opts("virtfs");
3483 if (!olist) {
3484 error_report("virtfs support is disabled");
3485 exit(1);
3486 }
3487 opts = qemu_opts_parse_noisily(olist, optarg, true);
3488 if (!opts) {
3489 exit(1);
3490 }
3491
3492 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3493 qemu_opt_get(opts, "mount_tag") == NULL) {
3494 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3495 exit(1);
3496 }
3497 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3498 qemu_opt_get(opts, "mount_tag"),
3499 1, NULL);
3500 if (!fsdev) {
3501 error_report("duplicate fsdev id: %s",
3502 qemu_opt_get(opts, "mount_tag"));
3503 exit(1);
3504 }
3505
3506 writeout = qemu_opt_get(opts, "writeout");
3507 if (writeout) {
3508 #ifdef CONFIG_SYNC_FILE_RANGE
3509 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3510 #else
3511 error_report("writeout=immediate not supported "
3512 "on this platform");
3513 exit(1);
3514 #endif
3515 }
3516 qemu_opt_set(fsdev, "fsdriver",
3517 qemu_opt_get(opts, "fsdriver"), &error_abort);
3518 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3519 &error_abort);
3520 qemu_opt_set(fsdev, "security_model",
3521 qemu_opt_get(opts, "security_model"),
3522 &error_abort);
3523 socket = qemu_opt_get(opts, "socket");
3524 if (socket) {
3525 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3526 }
3527 sock_fd = qemu_opt_get(opts, "sock_fd");
3528 if (sock_fd) {
3529 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3530 }
3531
3532 qemu_opt_set_bool(fsdev, "readonly",
3533 qemu_opt_get_bool(opts, "readonly", 0),
3534 &error_abort);
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3536 &error_abort);
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev",
3539 qemu_opt_get(opts, "mount_tag"), &error_abort);
3540 qemu_opt_set(device, "mount_tag",
3541 qemu_opt_get(opts, "mount_tag"), &error_abort);
3542 break;
3543 }
3544 case QEMU_OPTION_virtfs_synth: {
3545 QemuOpts *fsdev;
3546 QemuOpts *device;
3547
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3549 1, NULL);
3550 if (!fsdev) {
3551 error_report("duplicate option: %s", "virtfs_synth");
3552 exit(1);
3553 }
3554 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3555
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3557 &error_abort);
3558 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3559 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3560 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3561 break;
3562 }
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3565 default_serial = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_watchdog:
3571 if (watchdog) {
3572 error_report("only one watchdog option may be given");
3573 return 1;
3574 }
3575 watchdog = optarg;
3576 break;
3577 case QEMU_OPTION_watchdog_action:
3578 if (select_watchdog_action(optarg) == -1) {
3579 error_report("unknown -watchdog-action parameter");
3580 exit(1);
3581 }
3582 break;
3583 case QEMU_OPTION_virtiocon:
3584 add_device_config(DEV_VIRTCON, optarg);
3585 default_virtcon = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_parallel:
3591 add_device_config(DEV_PARALLEL, optarg);
3592 default_parallel = 0;
3593 if (strncmp(optarg, "mon:", 4) == 0) {
3594 default_monitor = 0;
3595 }
3596 break;
3597 case QEMU_OPTION_debugcon:
3598 add_device_config(DEV_DEBUGCON, optarg);
3599 break;
3600 case QEMU_OPTION_loadvm:
3601 loadvm = optarg;
3602 break;
3603 case QEMU_OPTION_full_screen:
3604 full_screen = 1;
3605 break;
3606 case QEMU_OPTION_no_frame:
3607 no_frame = 1;
3608 break;
3609 case QEMU_OPTION_alt_grab:
3610 alt_grab = 1;
3611 break;
3612 case QEMU_OPTION_ctrl_grab:
3613 ctrl_grab = 1;
3614 break;
3615 case QEMU_OPTION_no_quit:
3616 no_quit = 1;
3617 break;
3618 case QEMU_OPTION_sdl:
3619 #ifdef CONFIG_SDL
3620 display_type = DT_SDL;
3621 break;
3622 #else
3623 error_report("SDL support is disabled");
3624 exit(1);
3625 #endif
3626 case QEMU_OPTION_pidfile:
3627 pid_file = optarg;
3628 break;
3629 case QEMU_OPTION_win2k_hack:
3630 win2k_install_hack = 1;
3631 break;
3632 case QEMU_OPTION_rtc_td_hack: {
3633 static GlobalProperty slew_lost_ticks[] = {
3634 {
3635 .driver = "mc146818rtc",
3636 .property = "lost_tick_policy",
3637 .value = "slew",
3638 },
3639 { /* end of list */ }
3640 };
3641
3642 qdev_prop_register_global_list(slew_lost_ticks);
3643 break;
3644 }
3645 case QEMU_OPTION_acpitable:
3646 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3647 optarg, true);
3648 if (!opts) {
3649 exit(1);
3650 }
3651 do_acpitable_option(opts);
3652 break;
3653 case QEMU_OPTION_smbios:
3654 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3655 optarg, false);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 do_smbios_option(opts);
3660 break;
3661 case QEMU_OPTION_fwcfg:
3662 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3663 optarg, true);
3664 if (opts == NULL) {
3665 exit(1);
3666 }
3667 break;
3668 case QEMU_OPTION_enable_kvm:
3669 olist = qemu_find_opts("machine");
3670 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3671 break;
3672 case QEMU_OPTION_M:
3673 case QEMU_OPTION_machine:
3674 olist = qemu_find_opts("machine");
3675 opts = qemu_opts_parse_noisily(olist, optarg, true);
3676 if (!opts) {
3677 exit(1);
3678 }
3679 break;
3680 case QEMU_OPTION_no_kvm:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3683 break;
3684 case QEMU_OPTION_no_kvm_pit: {
3685 error_report("warning: ignoring deprecated option");
3686 break;
3687 }
3688 case QEMU_OPTION_no_kvm_pit_reinjection: {
3689 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3690 {
3691 .driver = "kvm-pit",
3692 .property = "lost_tick_policy",
3693 .value = "discard",
3694 },
3695 { /* end of list */ }
3696 };
3697
3698 error_report("warning: deprecated, replaced by "
3699 "-global kvm-pit.lost_tick_policy=discard");
3700 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3701 break;
3702 }
3703 case QEMU_OPTION_usb:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 break;
3707 case QEMU_OPTION_usbdevice:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "usb=on", false);
3710 add_device_config(DEV_USB, optarg);
3711 break;
3712 case QEMU_OPTION_device:
3713 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3714 optarg, true)) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_smp:
3719 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3720 optarg, true)) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_vnc:
3725 {
3726 #ifdef CONFIG_VNC
3727 Error *local_err = NULL;
3728
3729 if (vnc_parse(optarg, &local_err) == NULL) {
3730 error_report_err(local_err);
3731 exit(1);
3732 }
3733 #else
3734 error_report("VNC support is disabled");
3735 exit(1);
3736 #endif
3737 break;
3738 }
3739 case QEMU_OPTION_no_acpi:
3740 acpi_enabled = 0;
3741 break;
3742 case QEMU_OPTION_no_hpet:
3743 no_hpet = 1;
3744 break;
3745 case QEMU_OPTION_balloon:
3746 if (balloon_parse(optarg) < 0) {
3747 error_report("unknown -balloon argument %s", optarg);
3748 exit(1);
3749 }
3750 break;
3751 case QEMU_OPTION_no_reboot:
3752 no_reboot = 1;
3753 break;
3754 case QEMU_OPTION_no_shutdown:
3755 no_shutdown = 1;
3756 break;
3757 case QEMU_OPTION_show_cursor:
3758 cursor_hide = 0;
3759 break;
3760 case QEMU_OPTION_uuid:
3761 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3762 error_report("failed to parse UUID string: wrong format");
3763 exit(1);
3764 }
3765 qemu_uuid_set = true;
3766 break;
3767 case QEMU_OPTION_option_rom:
3768 if (nb_option_roms >= MAX_OPTION_ROMS) {
3769 error_report("too many option ROMs");
3770 exit(1);
3771 }
3772 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3773 optarg, true);
3774 if (!opts) {
3775 exit(1);
3776 }
3777 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3778 option_rom[nb_option_roms].bootindex =
3779 qemu_opt_get_number(opts, "bootindex", -1);
3780 if (!option_rom[nb_option_roms].name) {
3781 error_report("Option ROM file is not specified");
3782 exit(1);
3783 }
3784 nb_option_roms++;
3785 break;
3786 case QEMU_OPTION_semihosting:
3787 semihosting.enabled = true;
3788 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3789 break;
3790 case QEMU_OPTION_semihosting_config:
3791 semihosting.enabled = true;
3792 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3793 optarg, false);
3794 if (opts != NULL) {
3795 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3796 true);
3797 const char *target = qemu_opt_get(opts, "target");
3798 if (target != NULL) {
3799 if (strcmp("native", target) == 0) {
3800 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3801 } else if (strcmp("gdb", target) == 0) {
3802 semihosting.target = SEMIHOSTING_TARGET_GDB;
3803 } else if (strcmp("auto", target) == 0) {
3804 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3805 } else {
3806 error_report("unsupported semihosting-config %s",
3807 optarg);
3808 exit(1);
3809 }
3810 } else {
3811 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3812 }
3813 /* Set semihosting argument count and vector */
3814 qemu_opt_foreach(opts, add_semihosting_arg,
3815 &semihosting, NULL);
3816 } else {
3817 error_report("unsupported semihosting-config %s", optarg);
3818 exit(1);
3819 }
3820 break;
3821 case QEMU_OPTION_tdf:
3822 error_report("warning: ignoring deprecated option");
3823 break;
3824 case QEMU_OPTION_name:
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3826 optarg, true);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 break;
3831 case QEMU_OPTION_prom_env:
3832 if (nb_prom_envs >= MAX_PROM_ENVS) {
3833 error_report("too many prom variables");
3834 exit(1);
3835 }
3836 prom_envs[nb_prom_envs] = optarg;
3837 nb_prom_envs++;
3838 break;
3839 case QEMU_OPTION_old_param:
3840 old_param = 1;
3841 break;
3842 case QEMU_OPTION_clock:
3843 /* Clock options no longer exist. Keep this option for
3844 * backward compatibility.
3845 */
3846 break;
3847 case QEMU_OPTION_startdate:
3848 configure_rtc_date_offset(optarg, 1);
3849 break;
3850 case QEMU_OPTION_rtc:
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3852 false);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 configure_rtc(opts);
3857 break;
3858 case QEMU_OPTION_tb_size:
3859 tcg_tb_size = strtol(optarg, NULL, 0);
3860 if (tcg_tb_size < 0) {
3861 tcg_tb_size = 0;
3862 }
3863 break;
3864 case QEMU_OPTION_icount:
3865 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3866 optarg, true);
3867 if (!icount_opts) {
3868 exit(1);
3869 }
3870 break;
3871 case QEMU_OPTION_incoming:
3872 if (!incoming) {
3873 runstate_set(RUN_STATE_INMIGRATE);
3874 }
3875 incoming = optarg;
3876 break;
3877 case QEMU_OPTION_nodefaults:
3878 has_defaults = 0;
3879 break;
3880 case QEMU_OPTION_xen_domid:
3881 if (!(xen_available())) {
3882 printf("Option %s not supported for this target\n", popt->name);
3883 exit(1);
3884 }
3885 xen_domid = atoi(optarg);
3886 break;
3887 case QEMU_OPTION_xen_create:
3888 if (!(xen_available())) {
3889 printf("Option %s not supported for this target\n", popt->name);
3890 exit(1);
3891 }
3892 xen_mode = XEN_CREATE;
3893 break;
3894 case QEMU_OPTION_xen_attach:
3895 if (!(xen_available())) {
3896 printf("Option %s not supported for this target\n", popt->name);
3897 exit(1);
3898 }
3899 xen_mode = XEN_ATTACH;
3900 break;
3901 case QEMU_OPTION_trace:
3902 {
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3904 optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 trace_events = qemu_opt_get(opts, "events");
3909 trace_file = qemu_opt_get(opts, "file");
3910 break;
3911 }
3912 case QEMU_OPTION_readconfig:
3913 {
3914 int ret = qemu_read_config_file(optarg);
3915 if (ret < 0) {
3916 error_report("read config %s: %s", optarg,
3917 strerror(-ret));
3918 exit(1);
3919 }
3920 break;
3921 }
3922 case QEMU_OPTION_spice:
3923 olist = qemu_find_opts("spice");
3924 if (!olist) {
3925 error_report("spice support is disabled");
3926 exit(1);
3927 }
3928 opts = qemu_opts_parse_noisily(olist, optarg, false);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 display_remote++;
3933 break;
3934 case QEMU_OPTION_writeconfig:
3935 {
3936 FILE *fp;
3937 if (strcmp(optarg, "-") == 0) {
3938 fp = stdout;
3939 } else {
3940 fp = fopen(optarg, "w");
3941 if (fp == NULL) {
3942 error_report("open %s: %s", optarg,
3943 strerror(errno));
3944 exit(1);
3945 }
3946 }
3947 qemu_config_write(fp);
3948 if (fp != stdout) {
3949 fclose(fp);
3950 }
3951 break;
3952 }
3953 case QEMU_OPTION_qtest:
3954 qtest_chrdev = optarg;
3955 break;
3956 case QEMU_OPTION_qtest_log:
3957 qtest_log = optarg;
3958 break;
3959 case QEMU_OPTION_sandbox:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3961 optarg, true);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 break;
3966 case QEMU_OPTION_add_fd:
3967 #ifndef _WIN32
3968 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3969 optarg, false);
3970 if (!opts) {
3971 exit(1);
3972 }
3973 #else
3974 error_report("File descriptor passing is disabled on this "
3975 "platform");
3976 exit(1);
3977 #endif
3978 break;
3979 case QEMU_OPTION_object:
3980 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3981 optarg, true);
3982 if (!opts) {
3983 exit(1);
3984 }
3985 break;
3986 case QEMU_OPTION_realtime:
3987 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3988 optarg, false);
3989 if (!opts) {
3990 exit(1);
3991 }
3992 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3993 break;
3994 case QEMU_OPTION_msg:
3995 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3996 false);
3997 if (!opts) {
3998 exit(1);
3999 }
4000 configure_msg(opts);
4001 break;
4002 case QEMU_OPTION_dump_vmstate:
4003 if (vmstate_dump_file) {
4004 error_report("only one '-dump-vmstate' "
4005 "option may be given");
4006 exit(1);
4007 }
4008 vmstate_dump_file = fopen(optarg, "w");
4009 if (vmstate_dump_file == NULL) {
4010 error_report("open %s: %s", optarg, strerror(errno));
4011 exit(1);
4012 }
4013 break;
4014 default:
4015 os_parse_cmd_args(popt->index, optarg);
4016 }
4017 }
4018 }
4019
4020 replay_configure(icount_opts);
4021
4022 opts = qemu_get_machine_opts();
4023 optarg = qemu_opt_get(opts, "type");
4024 if (optarg) {
4025 machine_class = machine_parse(optarg);
4026 }
4027
4028 if (machine_class == NULL) {
4029 error_report("No machine specified, and there is no default");
4030 error_printf("Use -machine help to list supported machines\n");
4031 exit(1);
4032 }
4033
4034 set_memory_options(&ram_slots, &maxram_size, machine_class);
4035
4036 loc_set_none();
4037
4038 os_daemonize();
4039
4040 if (qemu_init_main_loop(&main_loop_err)) {
4041 error_report_err(main_loop_err);
4042 exit(1);
4043 }
4044
4045 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4046 parse_sandbox, NULL, NULL)) {
4047 exit(1);
4048 }
4049
4050 if (qemu_opts_foreach(qemu_find_opts("name"),
4051 parse_name, NULL, NULL)) {
4052 exit(1);
4053 }
4054
4055 #ifndef _WIN32
4056 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4057 parse_add_fd, NULL, NULL)) {
4058 exit(1);
4059 }
4060
4061 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4062 cleanup_add_fd, NULL, NULL)) {
4063 exit(1);
4064 }
4065 #endif
4066
4067 current_machine = MACHINE(object_new(object_class_get_name(
4068 OBJECT_CLASS(machine_class))));
4069 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4070 exit(0);
4071 }
4072 object_property_add_child(object_get_root(), "machine",
4073 OBJECT(current_machine), &error_abort);
4074 cpu_exec_init_all();
4075
4076 if (machine_class->hw_version) {
4077 qemu_set_hw_version(machine_class->hw_version);
4078 }
4079
4080 /* Init CPU def lists, based on config
4081 * - Must be called after all the qemu_read_config_file() calls
4082 * - Must be called before list_cpus()
4083 * - Must be called before machine->init()
4084 */
4085 cpudef_init();
4086
4087 if (cpu_model && is_help_option(cpu_model)) {
4088 list_cpus(stdout, &fprintf, cpu_model);
4089 exit(0);
4090 }
4091
4092 /* Open the logfile at this point and set the log mask if necessary.
4093 */
4094 if (log_file) {
4095 qemu_set_log_filename(log_file);
4096 }
4097
4098 if (log_mask) {
4099 int mask;
4100 mask = qemu_str_to_log_mask(log_mask);
4101 if (!mask) {
4102 qemu_print_log_usage(stdout);
4103 exit(1);
4104 }
4105 qemu_set_log(mask);
4106 }
4107
4108 if (!is_daemonized()) {
4109 if (!trace_init_backends(trace_events, trace_file)) {
4110 exit(1);
4111 }
4112 }
4113
4114 /* If no data_dir is specified then try to find it relative to the
4115 executable path. */
4116 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4117 data_dir[data_dir_idx] = os_find_datadir();
4118 if (data_dir[data_dir_idx] != NULL) {
4119 data_dir_idx++;
4120 }
4121 }
4122 /* If all else fails use the install path specified when building. */
4123 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4124 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4125 }
4126
4127 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4128
4129 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4130 if (max_cpus > machine_class->max_cpus) {
4131 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4132 "supported by machine '%s' (%d)", max_cpus,
4133 machine_class->name, machine_class->max_cpus);
4134 exit(1);
4135 }
4136
4137 /*
4138 * Get the default machine options from the machine if it is not already
4139 * specified either by the configuration file or by the command line.
4140 */
4141 if (machine_class->default_machine_opts) {
4142 qemu_opts_set_defaults(qemu_find_opts("machine"),
4143 machine_class->default_machine_opts, 0);
4144 }
4145
4146 qemu_opts_foreach(qemu_find_opts("device"),
4147 default_driver_check, NULL, NULL);
4148 qemu_opts_foreach(qemu_find_opts("global"),
4149 default_driver_check, NULL, NULL);
4150
4151 if (!vga_model && !default_vga) {
4152 vga_interface_type = VGA_DEVICE;
4153 }
4154 if (!has_defaults || machine_class->no_serial) {
4155 default_serial = 0;
4156 }
4157 if (!has_defaults || machine_class->no_parallel) {
4158 default_parallel = 0;
4159 }
4160 if (!has_defaults || !machine_class->use_virtcon) {
4161 default_virtcon = 0;
4162 }
4163 if (!has_defaults || !machine_class->use_sclp) {
4164 default_sclp = 0;
4165 }
4166 if (!has_defaults || machine_class->no_floppy) {
4167 default_floppy = 0;
4168 }
4169 if (!has_defaults || machine_class->no_cdrom) {
4170 default_cdrom = 0;
4171 }
4172 if (!has_defaults || machine_class->no_sdcard) {
4173 default_sdcard = 0;
4174 }
4175 if (!has_defaults) {
4176 default_monitor = 0;
4177 default_net = 0;
4178 default_vga = 0;
4179 }
4180
4181 if (is_daemonized()) {
4182 /* According to documentation and historically, -nographic redirects
4183 * serial port, parallel port and monitor to stdio, which does not work
4184 * with -daemonize. We can redirect these to null instead, but since
4185 * -nographic is legacy, let's just error out.
4186 * We disallow -nographic only if all other ports are not redirected
4187 * explicitly, to not break existing legacy setups which uses
4188 * -nographic _and_ redirects all ports explicitly - this is valid
4189 * usage, -nographic is just a no-op in this case.
4190 */
4191 if (display_type == DT_NOGRAPHIC
4192 && (default_parallel || default_serial
4193 || default_monitor || default_virtcon)) {
4194 error_report("-nographic cannot be used with -daemonize");
4195 exit(1);
4196 }
4197 #ifdef CONFIG_CURSES
4198 if (display_type == DT_CURSES) {
4199 error_report("curses display cannot be used with -daemonize");
4200 exit(1);
4201 }
4202 #endif
4203 }
4204
4205 if (display_type == DT_NOGRAPHIC) {
4206 if (default_parallel)
4207 add_device_config(DEV_PARALLEL, "null");
4208 if (default_serial && default_monitor) {
4209 add_device_config(DEV_SERIAL, "mon:stdio");
4210 } else if (default_virtcon && default_monitor) {
4211 add_device_config(DEV_VIRTCON, "mon:stdio");
4212 } else if (default_sclp && default_monitor) {
4213 add_device_config(DEV_SCLP, "mon:stdio");
4214 } else {
4215 if (default_serial)
4216 add_device_config(DEV_SERIAL, "stdio");
4217 if (default_virtcon)
4218 add_device_config(DEV_VIRTCON, "stdio");
4219 if (default_sclp) {
4220 add_device_config(DEV_SCLP, "stdio");
4221 }
4222 if (default_monitor)
4223 monitor_parse("stdio", "readline", false);
4224 }
4225 } else {
4226 if (default_serial)
4227 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4228 if (default_parallel)
4229 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4230 if (default_monitor)
4231 monitor_parse("vc:80Cx24C", "readline", false);
4232 if (default_virtcon)
4233 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4234 if (default_sclp) {
4235 add_device_config(DEV_SCLP, "vc:80Cx24C");
4236 }
4237 }
4238
4239 #if defined(CONFIG_VNC)
4240 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4241 display_remote++;
4242 }
4243 #endif
4244 if (display_type == DT_DEFAULT && !display_remote) {
4245 #if defined(CONFIG_GTK)
4246 display_type = DT_GTK;
4247 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4248 display_type = DT_SDL;
4249 #elif defined(CONFIG_VNC)
4250 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4251 show_vnc_port = 1;
4252 #else
4253 display_type = DT_NONE;
4254 #endif
4255 }
4256
4257 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4258 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4259 "for SDL, ignoring option");
4260 }
4261 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4262 error_report("-no-quit is only valid for GTK and SDL, "
4263 "ignoring option");
4264 }
4265
4266 #if defined(CONFIG_GTK)
4267 if (display_type == DT_GTK) {
4268 early_gtk_display_init(request_opengl);
4269 }
4270 #endif
4271 #if defined(CONFIG_SDL)
4272 if (display_type == DT_SDL) {
4273 sdl_display_early_init(request_opengl);
4274 }
4275 #endif
4276 if (request_opengl == 1 && display_opengl == 0) {
4277 #if defined(CONFIG_OPENGL)
4278 error_report("OpenGL is not supported by the display");
4279 #else
4280 error_report("OpenGL support is disabled");
4281 #endif
4282 exit(1);
4283 }
4284
4285 page_size_init();
4286 socket_init();
4287
4288 if (qemu_opts_foreach(qemu_find_opts("object"),
4289 object_create,
4290 object_create_initial, NULL)) {
4291 exit(1);
4292 }
4293
4294 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4295 chardev_init_func, NULL, NULL)) {
4296 exit(1);
4297 }
4298
4299 #ifdef CONFIG_VIRTFS
4300 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4301 fsdev_init_func, NULL, NULL)) {
4302 exit(1);
4303 }
4304 #endif
4305
4306 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4307 error_report("could not acquire pid file: %s", strerror(errno));
4308 exit(1);
4309 }
4310
4311 if (qemu_opts_foreach(qemu_find_opts("device"),
4312 device_help_func, NULL, NULL)) {
4313 exit(0);
4314 }
4315
4316 machine_opts = qemu_get_machine_opts();
4317 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4318 NULL)) {
4319 object_unref(OBJECT(current_machine));
4320 exit(1);
4321 }
4322
4323 configure_accelerator(current_machine);
4324
4325 if (qtest_chrdev) {
4326 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4327 }
4328
4329 machine_opts = qemu_get_machine_opts();
4330 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4331 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4332 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4333 bios_name = qemu_opt_get(machine_opts, "firmware");
4334
4335 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4336 if (opts) {
4337 boot_order = qemu_opt_get(opts, "order");
4338 if (boot_order) {
4339 validate_bootdevices(boot_order, &error_fatal);
4340 }
4341
4342 boot_once = qemu_opt_get(opts, "once");
4343 if (boot_once) {
4344 validate_bootdevices(boot_once, &error_fatal);
4345 }
4346
4347 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4348 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4349 }
4350
4351 if (!boot_order) {
4352 boot_order = machine_class->default_boot_order;
4353 }
4354
4355 if (!kernel_cmdline) {
4356 kernel_cmdline = "";
4357 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4358 }
4359
4360 linux_boot = (kernel_filename != NULL);
4361
4362 if (!linux_boot && *kernel_cmdline != '\0') {
4363 error_report("-append only allowed with -kernel option");
4364 exit(1);
4365 }
4366
4367 if (!linux_boot && initrd_filename != NULL) {
4368 error_report("-initrd only allowed with -kernel option");
4369 exit(1);
4370 }
4371
4372 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4373 error_report("-dtb only allowed with -kernel option");
4374 exit(1);
4375 }
4376
4377 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4378 /* fall back to the -kernel/-append */
4379 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4380 }
4381
4382 os_set_line_buffering();
4383
4384 #ifdef CONFIG_SPICE
4385 /* spice needs the timers to be initialized by this point */
4386 qemu_spice_init();
4387 #endif
4388
4389 cpu_ticks_init();
4390 if (icount_opts) {
4391 if (kvm_enabled() || xen_enabled()) {
4392 error_report("-icount is not allowed with kvm or xen");
4393 exit(1);
4394 }
4395 configure_icount(icount_opts, &error_abort);
4396 qemu_opts_del(icount_opts);
4397 }
4398
4399 /* clean up network at qemu process termination */
4400 atexit(&net_cleanup);
4401
4402 if (net_init_clients() < 0) {
4403 exit(1);
4404 }
4405
4406 if (qemu_opts_foreach(qemu_find_opts("object"),
4407 object_create,
4408 object_create_delayed, NULL)) {
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 Error *local_err = NULL;
4548 qemu_boot_set(boot_once, &local_err);
4549 if (local_err) {
4550 error_report_err(local_err);
4551 exit(1);
4552 }
4553 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4554 }
4555
4556 ds = init_displaystate();
4557
4558 /* init local displays */
4559 switch (display_type) {
4560 case DT_NOGRAPHIC:
4561 (void)ds; /* avoid warning if no display is configured */
4562 break;
4563 #if defined(CONFIG_CURSES)
4564 case DT_CURSES:
4565 curses_display_init(ds, full_screen);
4566 break;
4567 #endif
4568 #if defined(CONFIG_SDL)
4569 case DT_SDL:
4570 sdl_display_init(ds, full_screen, no_frame);
4571 break;
4572 #elif defined(CONFIG_COCOA)
4573 case DT_SDL:
4574 cocoa_display_init(ds, full_screen);
4575 break;
4576 #endif
4577 #if defined(CONFIG_GTK)
4578 case DT_GTK:
4579 gtk_display_init(ds, full_screen, grab_on_hover);
4580 break;
4581 #endif
4582 default:
4583 break;
4584 }
4585
4586 /* must be after terminal init, SDL library changes signal handlers */
4587 os_setup_signal_handling();
4588
4589 #ifdef CONFIG_VNC
4590 /* init remote displays */
4591 qemu_opts_foreach(qemu_find_opts("vnc"),
4592 vnc_init_func, NULL, NULL);
4593 if (show_vnc_port) {
4594 char *ret = vnc_display_local_addr("default");
4595 printf("VNC server running on '%s'\n", ret);
4596 g_free(ret);
4597 }
4598 #endif
4599 #ifdef CONFIG_SPICE
4600 if (using_spice) {
4601 qemu_spice_display_init();
4602 }
4603 #endif
4604
4605 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4606 exit(1);
4607 }
4608
4609 qdev_machine_creation_done();
4610
4611 /* TODO: once all bus devices are qdevified, this should be done
4612 * when bus is created by qdev.c */
4613 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4614 qemu_run_machine_init_done_notifiers();
4615
4616 if (rom_check_and_register_reset() != 0) {
4617 error_report("rom check and register reset failed");
4618 exit(1);
4619 }
4620
4621 replay_start();
4622
4623 /* This checkpoint is required by replay to separate prior clock
4624 reading from the other reads, because timer polling functions query
4625 clock values from the log. */
4626 replay_checkpoint(CHECKPOINT_RESET);
4627 qemu_system_reset(VMRESET_SILENT);
4628 register_global_state();
4629 if (loadvm) {
4630 if (load_vmstate(loadvm) < 0) {
4631 autostart = 0;
4632 }
4633 }
4634
4635 qdev_prop_check_globals();
4636 if (vmstate_dump_file) {
4637 /* dump and exit */
4638 dump_vmstate_json_to_file(vmstate_dump_file);
4639 return 0;
4640 }
4641
4642 if (incoming) {
4643 Error *local_err = NULL;
4644 qemu_start_incoming_migration(incoming, &local_err);
4645 if (local_err) {
4646 error_reportf_err(local_err, "-incoming %s: ", incoming);
4647 exit(1);
4648 }
4649 } else if (autostart) {
4650 vm_start();
4651 }
4652
4653 os_setup_post();
4654
4655 if (is_daemonized()) {
4656 if (!trace_init_backends(trace_events, trace_file)) {
4657 exit(1);
4658 }
4659 }
4660
4661 main_loop();
4662 replay_disable_events();
4663
4664 bdrv_close_all();
4665 pause_all_vcpus();
4666 res_free();
4667 #ifdef CONFIG_TPM
4668 tpm_cleanup();
4669 #endif
4670
4671 return 0;
4672 }
Ray Wang's QEMU Repository