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cpu-exec: allow temporary disabling icount
[qemu/kevin.git] / vl.c
blob601ace2c96bda1bb930fb3df27fddf87f7ccf818
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
126 #define MAX_VIRTIO_CONSOLES 1
127 #define MAX_SCLP_CONSOLES 1
128
129 static const char *data_dir[16];
130 static int data_dir_idx;
131 const char *bios_name = NULL;
132 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
133 DisplayType display_type = DT_DEFAULT;
134 int request_opengl = -1;
135 int display_opengl;
136 static int display_remote;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 #ifdef CONFIG_GTK
153 static bool grab_on_hover;
154 #endif
155 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
156 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
157 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 0;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 uint8_t qemu_uuid[16];
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
229 { .driver = "virtio-serial", .flag = &default_virtcon },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 };
238
239 static QemuOptsList qemu_rtc_opts = {
240 .name = "rtc",
241 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
242 .desc = {
243 {
244 .name = "base",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "clock",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "driftfix",
251 .type = QEMU_OPT_STRING,
252 },
253 { /* end of list */ }
254 },
255 };
256
257 static QemuOptsList qemu_sandbox_opts = {
258 .name = "sandbox",
259 .implied_opt_name = "enable",
260 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
261 .desc = {
262 {
263 .name = "enable",
264 .type = QEMU_OPT_BOOL,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_trace_opts = {
271 .name = "trace",
272 .implied_opt_name = "trace",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
274 .desc = {
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_semihosting_config_opts = {
483 .name = "semihosting-config",
484 .implied_opt_name = "enable",
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
486 .desc = {
487 {
488 .name = "enable",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "target",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "arg",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_fw_cfg_opts = {
502 .name = "fw_cfg",
503 .implied_opt_name = "name",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
505 .desc = {
506 {
507 .name = "name",
508 .type = QEMU_OPT_STRING,
509 .help = "Sets the fw_cfg name of the blob to be inserted",
510 }, {
511 .name = "file",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the name of the file from which\n"
514 "the fw_cfg blob will be loaded",
515 }, {
516 .name = "string",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets content of the blob to be inserted from a string",
519 },
520 { /* end of list */ }
521 },
522 };
523
524 /**
525 * Get machine options
526 *
527 * Returns: machine options (never null).
528 */
529 QemuOpts *qemu_get_machine_opts(void)
530 {
531 return qemu_find_opts_singleton("machine");
532 }
533
534 const char *qemu_get_vm_name(void)
535 {
536 return qemu_name;
537 }
538
539 static void res_free(void)
540 {
541 g_free(boot_splash_filedata);
542 boot_splash_filedata = NULL;
543 }
544
545 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
546 {
547 const char *driver = qemu_opt_get(opts, "driver");
548 int i;
549
550 if (!driver)
551 return 0;
552 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
553 if (strcmp(default_list[i].driver, driver) != 0)
554 continue;
555 *(default_list[i].flag) = 0;
556 }
557 return 0;
558 }
559
560 /***********************************************************/
561 /* QEMU state */
562
563 static RunState current_run_state = RUN_STATE_PRELAUNCH;
564
565 /* We use RUN_STATE_MAX but any invalid value will do */
566 static RunState vmstop_requested = RUN_STATE_MAX;
567 static QemuMutex vmstop_lock;
568
569 typedef struct {
570 RunState from;
571 RunState to;
572 } RunStateTransition;
573
574 static const RunStateTransition runstate_transitions_def[] = {
575 /* from -> to */
576 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
577 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
578
579 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
580 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
582 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
583 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
585 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
586 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
597
598 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
600
601 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
602 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
604
605 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
607
608 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
609
610 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
611 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
614 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
616 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
618 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
619 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
620
621 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
622
623 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
624 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
627 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
628 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
629 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
632 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
633
634 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_MAX, RUN_STATE_MAX },
638 };
639
640 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
641
642 bool runstate_check(RunState state)
643 {
644 return current_run_state == state;
645 }
646
647 bool runstate_store(char *str, size_t size)
648 {
649 const char *state = RunState_lookup[current_run_state];
650 size_t len = strlen(state) + 1;
651
652 if (len > size) {
653 return false;
654 }
655 memcpy(str, state, len);
656 return true;
657 }
658
659 static void runstate_init(void)
660 {
661 const RunStateTransition *p;
662
663 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
664 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
665 runstate_valid_transitions[p->from][p->to] = true;
666 }
667
668 qemu_mutex_init(&vmstop_lock);
669 }
670
671 /* This function will abort() on invalid state transitions */
672 void runstate_set(RunState new_state)
673 {
674 assert(new_state < RUN_STATE_MAX);
675
676 if (!runstate_valid_transitions[current_run_state][new_state]) {
677 error_report("invalid runstate transition: '%s' -> '%s'",
678 RunState_lookup[current_run_state],
679 RunState_lookup[new_state]);
680 abort();
681 }
682 trace_runstate_set(new_state);
683 current_run_state = new_state;
684 }
685
686 int runstate_is_running(void)
687 {
688 return runstate_check(RUN_STATE_RUNNING);
689 }
690
691 bool runstate_needs_reset(void)
692 {
693 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
694 runstate_check(RUN_STATE_SHUTDOWN);
695 }
696
697 StatusInfo *qmp_query_status(Error **errp)
698 {
699 StatusInfo *info = g_malloc0(sizeof(*info));
700
701 info->running = runstate_is_running();
702 info->singlestep = singlestep;
703 info->status = current_run_state;
704
705 return info;
706 }
707
708 static bool qemu_vmstop_requested(RunState *r)
709 {
710 qemu_mutex_lock(&vmstop_lock);
711 *r = vmstop_requested;
712 vmstop_requested = RUN_STATE_MAX;
713 qemu_mutex_unlock(&vmstop_lock);
714 return *r < RUN_STATE_MAX;
715 }
716
717 void qemu_system_vmstop_request_prepare(void)
718 {
719 qemu_mutex_lock(&vmstop_lock);
720 }
721
722 void qemu_system_vmstop_request(RunState state)
723 {
724 vmstop_requested = state;
725 qemu_mutex_unlock(&vmstop_lock);
726 qemu_notify_event();
727 }
728
729 void vm_start(void)
730 {
731 RunState requested;
732
733 qemu_vmstop_requested(&requested);
734 if (runstate_is_running() && requested == RUN_STATE_MAX) {
735 return;
736 }
737
738 /* Ensure that a STOP/RESUME pair of events is emitted if a
739 * vmstop request was pending. The BLOCK_IO_ERROR event, for
740 * example, according to documentation is always followed by
741 * the STOP event.
742 */
743 if (runstate_is_running()) {
744 qapi_event_send_stop(&error_abort);
745 } else {
746 cpu_enable_ticks();
747 runstate_set(RUN_STATE_RUNNING);
748 vm_state_notify(1, RUN_STATE_RUNNING);
749 resume_all_vcpus();
750 }
751
752 qapi_event_send_resume(&error_abort);
753 }
754
755
756 /***********************************************************/
757 /* real time host monotonic timer */
758
759 static time_t qemu_time(void)
760 {
761 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
762 }
763
764 /***********************************************************/
765 /* host time/date access */
766 void qemu_get_timedate(struct tm *tm, int offset)
767 {
768 time_t ti = qemu_time();
769
770 ti += offset;
771 if (rtc_date_offset == -1) {
772 if (rtc_utc)
773 gmtime_r(&ti, tm);
774 else
775 localtime_r(&ti, tm);
776 } else {
777 ti -= rtc_date_offset;
778 gmtime_r(&ti, tm);
779 }
780 }
781
782 int qemu_timedate_diff(struct tm *tm)
783 {
784 time_t seconds;
785
786 if (rtc_date_offset == -1)
787 if (rtc_utc)
788 seconds = mktimegm(tm);
789 else {
790 struct tm tmp = *tm;
791 tmp.tm_isdst = -1; /* use timezone to figure it out */
792 seconds = mktime(&tmp);
793 }
794 else
795 seconds = mktimegm(tm) + rtc_date_offset;
796
797 return seconds - qemu_time();
798 }
799
800 static void configure_rtc_date_offset(const char *startdate, int legacy)
801 {
802 time_t rtc_start_date;
803 struct tm tm;
804
805 if (!strcmp(startdate, "now") && legacy) {
806 rtc_date_offset = -1;
807 } else {
808 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
809 &tm.tm_year,
810 &tm.tm_mon,
811 &tm.tm_mday,
812 &tm.tm_hour,
813 &tm.tm_min,
814 &tm.tm_sec) == 6) {
815 /* OK */
816 } else if (sscanf(startdate, "%d-%d-%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday) == 3) {
820 tm.tm_hour = 0;
821 tm.tm_min = 0;
822 tm.tm_sec = 0;
823 } else {
824 goto date_fail;
825 }
826 tm.tm_year -= 1900;
827 tm.tm_mon--;
828 rtc_start_date = mktimegm(&tm);
829 if (rtc_start_date == -1) {
830 date_fail:
831 error_report("invalid date format");
832 error_printf("valid formats: "
833 "'2006-06-17T16:01:21' or '2006-06-17'\n");
834 exit(1);
835 }
836 rtc_date_offset = qemu_time() - rtc_start_date;
837 }
838 }
839
840 static void configure_rtc(QemuOpts *opts)
841 {
842 const char *value;
843
844 value = qemu_opt_get(opts, "base");
845 if (value) {
846 if (!strcmp(value, "utc")) {
847 rtc_utc = 1;
848 } else if (!strcmp(value, "localtime")) {
849 rtc_utc = 0;
850 } else {
851 configure_rtc_date_offset(value, 0);
852 }
853 }
854 value = qemu_opt_get(opts, "clock");
855 if (value) {
856 if (!strcmp(value, "host")) {
857 rtc_clock = QEMU_CLOCK_HOST;
858 } else if (!strcmp(value, "rt")) {
859 rtc_clock = QEMU_CLOCK_REALTIME;
860 } else if (!strcmp(value, "vm")) {
861 rtc_clock = QEMU_CLOCK_VIRTUAL;
862 } else {
863 error_report("invalid option value '%s'", value);
864 exit(1);
865 }
866 }
867 value = qemu_opt_get(opts, "driftfix");
868 if (value) {
869 if (!strcmp(value, "slew")) {
870 static GlobalProperty slew_lost_ticks[] = {
871 {
872 .driver = "mc146818rtc",
873 .property = "lost_tick_policy",
874 .value = "slew",
875 },
876 { /* end of list */ }
877 };
878
879 qdev_prop_register_global_list(slew_lost_ticks);
880 } else if (!strcmp(value, "none")) {
881 /* discard is default */
882 } else {
883 error_report("invalid option value '%s'", value);
884 exit(1);
885 }
886 }
887 }
888
889 /***********************************************************/
890 /* Bluetooth support */
891 static int nb_hcis;
892 static int cur_hci;
893 static struct HCIInfo *hci_table[MAX_NICS];
894
895 struct HCIInfo *qemu_next_hci(void)
896 {
897 if (cur_hci == nb_hcis)
898 return &null_hci;
899
900 return hci_table[cur_hci++];
901 }
902
903 static int bt_hci_parse(const char *str)
904 {
905 struct HCIInfo *hci;
906 bdaddr_t bdaddr;
907
908 if (nb_hcis >= MAX_NICS) {
909 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
910 return -1;
911 }
912
913 hci = hci_init(str);
914 if (!hci)
915 return -1;
916
917 bdaddr.b[0] = 0x52;
918 bdaddr.b[1] = 0x54;
919 bdaddr.b[2] = 0x00;
920 bdaddr.b[3] = 0x12;
921 bdaddr.b[4] = 0x34;
922 bdaddr.b[5] = 0x56 + nb_hcis;
923 hci->bdaddr_set(hci, bdaddr.b);
924
925 hci_table[nb_hcis++] = hci;
926
927 return 0;
928 }
929
930 static void bt_vhci_add(int vlan_id)
931 {
932 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
933
934 if (!vlan->slave)
935 error_report("warning: adding a VHCI to an empty scatternet %i",
936 vlan_id);
937
938 bt_vhci_init(bt_new_hci(vlan));
939 }
940
941 static struct bt_device_s *bt_device_add(const char *opt)
942 {
943 struct bt_scatternet_s *vlan;
944 int vlan_id = 0;
945 char *endp = strstr(opt, ",vlan=");
946 int len = (endp ? endp - opt : strlen(opt)) + 1;
947 char devname[10];
948
949 pstrcpy(devname, MIN(sizeof(devname), len), opt);
950
951 if (endp) {
952 vlan_id = strtol(endp + 6, &endp, 0);
953 if (*endp) {
954 error_report("unrecognised bluetooth vlan Id");
955 return 0;
956 }
957 }
958
959 vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 error_report("warning: adding a slave device to an empty scatternet %i",
963 vlan_id);
964
965 if (!strcmp(devname, "keyboard"))
966 return bt_keyboard_init(vlan);
967
968 error_report("unsupported bluetooth device '%s'", devname);
969 return 0;
970 }
971
972 static int bt_parse(const char *opt)
973 {
974 const char *endp, *p;
975 int vlan;
976
977 if (strstart(opt, "hci", &endp)) {
978 if (!*endp || *endp == ',') {
979 if (*endp)
980 if (!strstart(endp, ",vlan=", 0))
981 opt = endp + 1;
982
983 return bt_hci_parse(opt);
984 }
985 } else if (strstart(opt, "vhci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp) {
988 if (strstart(endp, ",vlan=", &p)) {
989 vlan = strtol(p, (char **) &endp, 0);
990 if (*endp) {
991 error_report("bad scatternet '%s'", p);
992 return 1;
993 }
994 } else {
995 error_report("bad parameter '%s'", endp + 1);
996 return 1;
997 }
998 } else
999 vlan = 0;
1000
1001 bt_vhci_add(vlan);
1002 return 0;
1003 }
1004 } else if (strstart(opt, "device:", &endp))
1005 return !bt_device_add(endp);
1006
1007 error_report("bad bluetooth parameter '%s'", opt);
1008 return 1;
1009 }
1010
1011 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1012 {
1013 /* FIXME: change this to true for 1.3 */
1014 if (qemu_opt_get_bool(opts, "enable", false)) {
1015 #ifdef CONFIG_SECCOMP
1016 if (seccomp_start() < 0) {
1017 error_report("failed to install seccomp syscall filter "
1018 "in the kernel");
1019 return -1;
1020 }
1021 #else
1022 error_report("seccomp support is disabled");
1023 return -1;
1024 #endif
1025 }
1026
1027 return 0;
1028 }
1029
1030 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1031 {
1032 const char *proc_name;
1033
1034 if (qemu_opt_get(opts, "debug-threads")) {
1035 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1036 }
1037 qemu_name = qemu_opt_get(opts, "guest");
1038
1039 proc_name = qemu_opt_get(opts, "process");
1040 if (proc_name) {
1041 os_set_proc_name(proc_name);
1042 }
1043
1044 return 0;
1045 }
1046
1047 bool defaults_enabled(void)
1048 {
1049 return has_defaults;
1050 }
1051
1052 bool usb_enabled(void)
1053 {
1054 return machine_usb(current_machine);
1055 }
1056
1057 #ifndef _WIN32
1058 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1059 {
1060 int fd, dupfd, flags;
1061 int64_t fdset_id;
1062 const char *fd_opaque = NULL;
1063 AddfdInfo *fdinfo;
1064
1065 fd = qemu_opt_get_number(opts, "fd", -1);
1066 fdset_id = qemu_opt_get_number(opts, "set", -1);
1067 fd_opaque = qemu_opt_get(opts, "opaque");
1068
1069 if (fd < 0) {
1070 error_report("fd option is required and must be non-negative");
1071 return -1;
1072 }
1073
1074 if (fd <= STDERR_FILENO) {
1075 error_report("fd cannot be a standard I/O stream");
1076 return -1;
1077 }
1078
1079 /*
1080 * All fds inherited across exec() necessarily have FD_CLOEXEC
1081 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1082 */
1083 flags = fcntl(fd, F_GETFD);
1084 if (flags == -1 || (flags & FD_CLOEXEC)) {
1085 error_report("fd is not valid or already in use");
1086 return -1;
1087 }
1088
1089 if (fdset_id < 0) {
1090 error_report("set option is required and must be non-negative");
1091 return -1;
1092 }
1093
1094 #ifdef F_DUPFD_CLOEXEC
1095 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1096 #else
1097 dupfd = dup(fd);
1098 if (dupfd != -1) {
1099 qemu_set_cloexec(dupfd);
1100 }
1101 #endif
1102 if (dupfd == -1) {
1103 error_report("error duplicating fd: %s", strerror(errno));
1104 return -1;
1105 }
1106
1107 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1108 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1109 &error_abort);
1110 g_free(fdinfo);
1111
1112 return 0;
1113 }
1114
1115 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1116 {
1117 int fd;
1118
1119 fd = qemu_opt_get_number(opts, "fd", -1);
1120 close(fd);
1121
1122 return 0;
1123 }
1124 #endif
1125
1126 /***********************************************************/
1127 /* QEMU Block devices */
1128
1129 #define HD_OPTS "media=disk"
1130 #define CDROM_OPTS "media=cdrom"
1131 #define FD_OPTS ""
1132 #define PFLASH_OPTS ""
1133 #define MTD_OPTS ""
1134 #define SD_OPTS ""
1135
1136 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1137 {
1138 BlockInterfaceType *block_default_type = opaque;
1139
1140 return drive_new(opts, *block_default_type) == NULL;
1141 }
1142
1143 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1144 {
1145 if (qemu_opt_get(opts, "snapshot") == NULL) {
1146 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1147 }
1148 return 0;
1149 }
1150
1151 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1152 int index, const char *optstr)
1153 {
1154 QemuOpts *opts;
1155 DriveInfo *dinfo;
1156
1157 if (!enable || drive_get_by_index(type, index)) {
1158 return;
1159 }
1160
1161 opts = drive_add(type, index, NULL, optstr);
1162 if (snapshot) {
1163 drive_enable_snapshot(NULL, opts, NULL);
1164 }
1165
1166 dinfo = drive_new(opts, type);
1167 if (!dinfo) {
1168 exit(1);
1169 }
1170 dinfo->is_default = true;
1171
1172 }
1173
1174 static QemuOptsList qemu_smp_opts = {
1175 .name = "smp-opts",
1176 .implied_opt_name = "cpus",
1177 .merge_lists = true,
1178 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1179 .desc = {
1180 {
1181 .name = "cpus",
1182 .type = QEMU_OPT_NUMBER,
1183 }, {
1184 .name = "sockets",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "cores",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "threads",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "maxcpus",
1194 .type = QEMU_OPT_NUMBER,
1195 },
1196 { /*End of list */ }
1197 },
1198 };
1199
1200 static void smp_parse(QemuOpts *opts)
1201 {
1202 if (opts) {
1203
1204 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1205 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1206 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1207 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1208
1209 /* compute missing values, prefer sockets over cores over threads */
1210 if (cpus == 0 || sockets == 0) {
1211 sockets = sockets > 0 ? sockets : 1;
1212 cores = cores > 0 ? cores : 1;
1213 threads = threads > 0 ? threads : 1;
1214 if (cpus == 0) {
1215 cpus = cores * threads * sockets;
1216 }
1217 } else if (cores == 0) {
1218 threads = threads > 0 ? threads : 1;
1219 cores = cpus / (sockets * threads);
1220 } else if (threads == 0) {
1221 threads = cpus / (cores * sockets);
1222 } else if (sockets * cores * threads < cpus) {
1223 error_report("cpu topology: "
1224 "sockets (%u) * cores (%u) * threads (%u) < "
1225 "smp_cpus (%u)",
1226 sockets, cores, threads, cpus);
1227 exit(1);
1228 }
1229
1230 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1231 if (sockets * cores * threads > max_cpus) {
1232 error_report("cpu topology: "
1233 "sockets (%u) * cores (%u) * threads (%u) > "
1234 "maxcpus (%u)",
1235 sockets, cores, threads, max_cpus);
1236 exit(1);
1237 }
1238
1239 smp_cpus = cpus;
1240 smp_cores = cores > 0 ? cores : 1;
1241 smp_threads = threads > 0 ? threads : 1;
1242
1243 }
1244
1245 if (max_cpus == 0) {
1246 max_cpus = smp_cpus;
1247 }
1248
1249 if (max_cpus > MAX_CPUMASK_BITS) {
1250 error_report("unsupported number of maxcpus");
1251 exit(1);
1252 }
1253 if (max_cpus < smp_cpus) {
1254 error_report("maxcpus must be equal to or greater than smp");
1255 exit(1);
1256 }
1257
1258 }
1259
1260 static void realtime_init(void)
1261 {
1262 if (enable_mlock) {
1263 if (os_mlock() < 0) {
1264 error_report("locking memory failed");
1265 exit(1);
1266 }
1267 }
1268 }
1269
1270
1271 static void configure_msg(QemuOpts *opts)
1272 {
1273 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1274 }
1275
1276 /***********************************************************/
1277 /* Semihosting */
1278
1279 typedef struct SemihostingConfig {
1280 bool enabled;
1281 SemihostingTarget target;
1282 const char **argv;
1283 int argc;
1284 const char *cmdline; /* concatenated argv */
1285 } SemihostingConfig;
1286
1287 static SemihostingConfig semihosting;
1288
1289 bool semihosting_enabled(void)
1290 {
1291 return semihosting.enabled;
1292 }
1293
1294 SemihostingTarget semihosting_get_target(void)
1295 {
1296 return semihosting.target;
1297 }
1298
1299 const char *semihosting_get_arg(int i)
1300 {
1301 if (i >= semihosting.argc) {
1302 return NULL;
1303 }
1304 return semihosting.argv[i];
1305 }
1306
1307 int semihosting_get_argc(void)
1308 {
1309 return semihosting.argc;
1310 }
1311
1312 const char *semihosting_get_cmdline(void)
1313 {
1314 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1315 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1316 }
1317 return semihosting.cmdline;
1318 }
1319
1320 static int add_semihosting_arg(void *opaque,
1321 const char *name, const char *val,
1322 Error **errp)
1323 {
1324 SemihostingConfig *s = opaque;
1325 if (strcmp(name, "arg") == 0) {
1326 s->argc++;
1327 /* one extra element as g_strjoinv() expects NULL-terminated array */
1328 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1329 s->argv[s->argc - 1] = val;
1330 s->argv[s->argc] = NULL;
1331 }
1332 return 0;
1333 }
1334
1335 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1336 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1337 {
1338 char *cmd_token;
1339
1340 /* argv[0] */
1341 add_semihosting_arg(&semihosting, "arg", file, NULL);
1342
1343 /* split -append and initialize argv[1..n] */
1344 cmd_token = strtok(g_strdup(cmd), " ");
1345 while (cmd_token) {
1346 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1347 cmd_token = strtok(NULL, " ");
1348 }
1349 }
1350
1351 /* Now we still need this for compatibility with XEN. */
1352 bool has_igd_gfx_passthru;
1353 static void igd_gfx_passthru(void)
1354 {
1355 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1356 }
1357
1358 /***********************************************************/
1359 /* USB devices */
1360
1361 static int usb_device_add(const char *devname)
1362 {
1363 USBDevice *dev = NULL;
1364 #ifndef CONFIG_LINUX
1365 const char *p;
1366 #endif
1367
1368 if (!usb_enabled()) {
1369 return -1;
1370 }
1371
1372 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1373 dev = usbdevice_create(devname);
1374 if (dev)
1375 goto done;
1376
1377 /* the other ones */
1378 #ifndef CONFIG_LINUX
1379 /* only the linux version is qdev-ified, usb-bsd still needs this */
1380 if (strstart(devname, "host:", &p)) {
1381 dev = usb_host_device_open(usb_bus_find(-1), p);
1382 }
1383 #endif
1384 if (!dev)
1385 return -1;
1386
1387 done:
1388 return 0;
1389 }
1390
1391 static int usb_device_del(const char *devname)
1392 {
1393 int bus_num, addr;
1394 const char *p;
1395
1396 if (strstart(devname, "host:", &p)) {
1397 return -1;
1398 }
1399
1400 if (!usb_enabled()) {
1401 return -1;
1402 }
1403
1404 p = strchr(devname, '.');
1405 if (!p)
1406 return -1;
1407 bus_num = strtoul(devname, NULL, 0);
1408 addr = strtoul(p + 1, NULL, 0);
1409
1410 return usb_device_delete_addr(bus_num, addr);
1411 }
1412
1413 static int usb_parse(const char *cmdline)
1414 {
1415 int r;
1416 r = usb_device_add(cmdline);
1417 if (r < 0) {
1418 error_report("could not add USB device '%s'", cmdline);
1419 }
1420 return r;
1421 }
1422
1423 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1424 {
1425 const char *devname = qdict_get_str(qdict, "devname");
1426 if (usb_device_add(devname) < 0) {
1427 error_report("could not add USB device '%s'", devname);
1428 }
1429 }
1430
1431 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1432 {
1433 const char *devname = qdict_get_str(qdict, "devname");
1434 if (usb_device_del(devname) < 0) {
1435 error_report("could not delete USB device '%s'", devname);
1436 }
1437 }
1438
1439 /***********************************************************/
1440 /* machine registration */
1441
1442 MachineState *current_machine;
1443
1444 static MachineClass *find_machine(const char *name)
1445 {
1446 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1447 MachineClass *mc = NULL;
1448
1449 for (el = machines; el; el = el->next) {
1450 MachineClass *temp = el->data;
1451
1452 if (!strcmp(temp->name, name)) {
1453 mc = temp;
1454 break;
1455 }
1456 if (temp->alias &&
1457 !strcmp(temp->alias, name)) {
1458 mc = temp;
1459 break;
1460 }
1461 }
1462
1463 g_slist_free(machines);
1464 return mc;
1465 }
1466
1467 MachineClass *find_default_machine(void)
1468 {
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1471
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1474
1475 if (temp->is_default) {
1476 mc = temp;
1477 break;
1478 }
1479 }
1480
1481 g_slist_free(machines);
1482 return mc;
1483 }
1484
1485 MachineInfoList *qmp_query_machines(Error **errp)
1486 {
1487 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1488 MachineInfoList *mach_list = NULL;
1489
1490 for (el = machines; el; el = el->next) {
1491 MachineClass *mc = el->data;
1492 MachineInfoList *entry;
1493 MachineInfo *info;
1494
1495 info = g_malloc0(sizeof(*info));
1496 if (mc->is_default) {
1497 info->has_is_default = true;
1498 info->is_default = true;
1499 }
1500
1501 if (mc->alias) {
1502 info->has_alias = true;
1503 info->alias = g_strdup(mc->alias);
1504 }
1505
1506 info->name = g_strdup(mc->name);
1507 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1508
1509 entry = g_malloc0(sizeof(*entry));
1510 entry->value = info;
1511 entry->next = mach_list;
1512 mach_list = entry;
1513 }
1514
1515 g_slist_free(machines);
1516 return mach_list;
1517 }
1518
1519 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1520 {
1521 ObjectProperty *prop;
1522
1523 if (!qemu_opt_has_help_opt(opts)) {
1524 return 0;
1525 }
1526
1527 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1528 if (!prop->set) {
1529 continue;
1530 }
1531
1532 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1533 prop->name, prop->type);
1534 if (prop->description) {
1535 error_printf(" (%s)\n", prop->description);
1536 } else {
1537 error_printf("\n");
1538 }
1539 }
1540
1541 return 1;
1542 }
1543
1544 /***********************************************************/
1545 /* main execution loop */
1546
1547 struct vm_change_state_entry {
1548 VMChangeStateHandler *cb;
1549 void *opaque;
1550 QLIST_ENTRY (vm_change_state_entry) entries;
1551 };
1552
1553 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1554
1555 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1556 void *opaque)
1557 {
1558 VMChangeStateEntry *e;
1559
1560 e = g_malloc0(sizeof (*e));
1561
1562 e->cb = cb;
1563 e->opaque = opaque;
1564 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1565 return e;
1566 }
1567
1568 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1569 {
1570 QLIST_REMOVE (e, entries);
1571 g_free (e);
1572 }
1573
1574 void vm_state_notify(int running, RunState state)
1575 {
1576 VMChangeStateEntry *e, *next;
1577
1578 trace_vm_state_notify(running, state);
1579
1580 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1581 e->cb(e->opaque, running, state);
1582 }
1583 }
1584
1585 /* reset/shutdown handler */
1586
1587 typedef struct QEMUResetEntry {
1588 QTAILQ_ENTRY(QEMUResetEntry) entry;
1589 QEMUResetHandler *func;
1590 void *opaque;
1591 } QEMUResetEntry;
1592
1593 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1594 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1595 static int reset_requested;
1596 static int shutdown_requested, shutdown_signal = -1;
1597 static pid_t shutdown_pid;
1598 static int powerdown_requested;
1599 static int debug_requested;
1600 static int suspend_requested;
1601 static WakeupReason wakeup_reason;
1602 static NotifierList powerdown_notifiers =
1603 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1604 static NotifierList suspend_notifiers =
1605 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1606 static NotifierList wakeup_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1608 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1609
1610 int qemu_shutdown_requested_get(void)
1611 {
1612 return shutdown_requested;
1613 }
1614
1615 int qemu_reset_requested_get(void)
1616 {
1617 return reset_requested;
1618 }
1619
1620 static int qemu_shutdown_requested(void)
1621 {
1622 return atomic_xchg(&shutdown_requested, 0);
1623 }
1624
1625 static void qemu_kill_report(void)
1626 {
1627 if (!qtest_driver() && shutdown_signal != -1) {
1628 if (shutdown_pid == 0) {
1629 /* This happens for eg ^C at the terminal, so it's worth
1630 * avoiding printing an odd message in that case.
1631 */
1632 error_report("terminating on signal %d", shutdown_signal);
1633 } else {
1634 error_report("terminating on signal %d from pid " FMT_pid,
1635 shutdown_signal, shutdown_pid);
1636 }
1637 shutdown_signal = -1;
1638 }
1639 }
1640
1641 static int qemu_reset_requested(void)
1642 {
1643 int r = reset_requested;
1644 reset_requested = 0;
1645 return r;
1646 }
1647
1648 static int qemu_suspend_requested(void)
1649 {
1650 int r = suspend_requested;
1651 suspend_requested = 0;
1652 return r;
1653 }
1654
1655 static WakeupReason qemu_wakeup_requested(void)
1656 {
1657 return wakeup_reason;
1658 }
1659
1660 static int qemu_powerdown_requested(void)
1661 {
1662 int r = powerdown_requested;
1663 powerdown_requested = 0;
1664 return r;
1665 }
1666
1667 static int qemu_debug_requested(void)
1668 {
1669 int r = debug_requested;
1670 debug_requested = 0;
1671 return r;
1672 }
1673
1674 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1675 {
1676 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1677
1678 re->func = func;
1679 re->opaque = opaque;
1680 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1681 }
1682
1683 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1684 {
1685 QEMUResetEntry *re;
1686
1687 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1688 if (re->func == func && re->opaque == opaque) {
1689 QTAILQ_REMOVE(&reset_handlers, re, entry);
1690 g_free(re);
1691 return;
1692 }
1693 }
1694 }
1695
1696 void qemu_devices_reset(void)
1697 {
1698 QEMUResetEntry *re, *nre;
1699
1700 /* reset all devices */
1701 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1702 re->func(re->opaque);
1703 }
1704 }
1705
1706 void qemu_system_reset(bool report)
1707 {
1708 MachineClass *mc;
1709
1710 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1711
1712 if (mc && mc->reset) {
1713 mc->reset();
1714 } else {
1715 qemu_devices_reset();
1716 }
1717 if (report) {
1718 qapi_event_send_reset(&error_abort);
1719 }
1720 cpu_synchronize_all_post_reset();
1721 }
1722
1723 void qemu_system_guest_panicked(void)
1724 {
1725 if (current_cpu) {
1726 current_cpu->crash_occurred = true;
1727 }
1728 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1729 vm_stop(RUN_STATE_GUEST_PANICKED);
1730 }
1731
1732 void qemu_system_reset_request(void)
1733 {
1734 if (no_reboot) {
1735 shutdown_requested = 1;
1736 } else {
1737 reset_requested = 1;
1738 }
1739 cpu_stop_current();
1740 qemu_notify_event();
1741 }
1742
1743 static void qemu_system_suspend(void)
1744 {
1745 pause_all_vcpus();
1746 notifier_list_notify(&suspend_notifiers, NULL);
1747 runstate_set(RUN_STATE_SUSPENDED);
1748 qapi_event_send_suspend(&error_abort);
1749 }
1750
1751 void qemu_system_suspend_request(void)
1752 {
1753 if (runstate_check(RUN_STATE_SUSPENDED)) {
1754 return;
1755 }
1756 suspend_requested = 1;
1757 cpu_stop_current();
1758 qemu_notify_event();
1759 }
1760
1761 void qemu_register_suspend_notifier(Notifier *notifier)
1762 {
1763 notifier_list_add(&suspend_notifiers, notifier);
1764 }
1765
1766 void qemu_system_wakeup_request(WakeupReason reason)
1767 {
1768 trace_system_wakeup_request(reason);
1769
1770 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1771 return;
1772 }
1773 if (!(wakeup_reason_mask & (1 << reason))) {
1774 return;
1775 }
1776 runstate_set(RUN_STATE_RUNNING);
1777 wakeup_reason = reason;
1778 qemu_notify_event();
1779 }
1780
1781 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1782 {
1783 if (enabled) {
1784 wakeup_reason_mask |= (1 << reason);
1785 } else {
1786 wakeup_reason_mask &= ~(1 << reason);
1787 }
1788 }
1789
1790 void qemu_register_wakeup_notifier(Notifier *notifier)
1791 {
1792 notifier_list_add(&wakeup_notifiers, notifier);
1793 }
1794
1795 void qemu_system_killed(int signal, pid_t pid)
1796 {
1797 shutdown_signal = signal;
1798 shutdown_pid = pid;
1799 no_shutdown = 0;
1800 qemu_system_shutdown_request();
1801 }
1802
1803 void qemu_system_shutdown_request(void)
1804 {
1805 trace_qemu_system_shutdown_request();
1806 shutdown_requested = 1;
1807 qemu_notify_event();
1808 }
1809
1810 static void qemu_system_powerdown(void)
1811 {
1812 qapi_event_send_powerdown(&error_abort);
1813 notifier_list_notify(&powerdown_notifiers, NULL);
1814 }
1815
1816 void qemu_system_powerdown_request(void)
1817 {
1818 trace_qemu_system_powerdown_request();
1819 powerdown_requested = 1;
1820 qemu_notify_event();
1821 }
1822
1823 void qemu_register_powerdown_notifier(Notifier *notifier)
1824 {
1825 notifier_list_add(&powerdown_notifiers, notifier);
1826 }
1827
1828 void qemu_system_debug_request(void)
1829 {
1830 debug_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 static bool main_loop_should_exit(void)
1835 {
1836 RunState r;
1837 if (qemu_debug_requested()) {
1838 vm_stop(RUN_STATE_DEBUG);
1839 }
1840 if (qemu_suspend_requested()) {
1841 qemu_system_suspend();
1842 }
1843 if (qemu_shutdown_requested()) {
1844 qemu_kill_report();
1845 qapi_event_send_shutdown(&error_abort);
1846 if (no_shutdown) {
1847 vm_stop(RUN_STATE_SHUTDOWN);
1848 } else {
1849 return true;
1850 }
1851 }
1852 if (qemu_reset_requested()) {
1853 pause_all_vcpus();
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_REPORT);
1856 resume_all_vcpus();
1857 if (runstate_needs_reset()) {
1858 runstate_set(RUN_STATE_PAUSED);
1859 }
1860 }
1861 if (qemu_wakeup_requested()) {
1862 pause_all_vcpus();
1863 cpu_synchronize_all_states();
1864 qemu_system_reset(VMRESET_SILENT);
1865 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1866 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1867 resume_all_vcpus();
1868 qapi_event_send_wakeup(&error_abort);
1869 }
1870 if (qemu_powerdown_requested()) {
1871 qemu_system_powerdown();
1872 }
1873 if (qemu_vmstop_requested(&r)) {
1874 vm_stop(r);
1875 }
1876 return false;
1877 }
1878
1879 static void main_loop(void)
1880 {
1881 bool nonblocking;
1882 int last_io = 0;
1883 #ifdef CONFIG_PROFILER
1884 int64_t ti;
1885 #endif
1886 do {
1887 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1888 #ifdef CONFIG_PROFILER
1889 ti = profile_getclock();
1890 #endif
1891 last_io = main_loop_wait(nonblocking);
1892 #ifdef CONFIG_PROFILER
1893 dev_time += profile_getclock() - ti;
1894 #endif
1895 } while (!main_loop_should_exit());
1896 }
1897
1898 static void version(void)
1899 {
1900 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1901 }
1902
1903 static void help(int exitcode)
1904 {
1905 version();
1906 printf("usage: %s [options] [disk_image]\n\n"
1907 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1908 error_get_progname());
1909
1910 #define QEMU_OPTIONS_GENERATE_HELP
1911 #include "qemu-options-wrapper.h"
1912
1913 printf("\nDuring emulation, the following keys are useful:\n"
1914 "ctrl-alt-f toggle full screen\n"
1915 "ctrl-alt-n switch to virtual console 'n'\n"
1916 "ctrl-alt toggle mouse and keyboard grab\n"
1917 "\n"
1918 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1919
1920 exit(exitcode);
1921 }
1922
1923 #define HAS_ARG 0x0001
1924
1925 typedef struct QEMUOption {
1926 const char *name;
1927 int flags;
1928 int index;
1929 uint32_t arch_mask;
1930 } QEMUOption;
1931
1932 static const QEMUOption qemu_options[] = {
1933 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1934 #define QEMU_OPTIONS_GENERATE_OPTIONS
1935 #include "qemu-options-wrapper.h"
1936 { NULL },
1937 };
1938
1939 static bool vga_available(void)
1940 {
1941 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1942 }
1943
1944 static bool cirrus_vga_available(void)
1945 {
1946 return object_class_by_name("cirrus-vga")
1947 || object_class_by_name("isa-cirrus-vga");
1948 }
1949
1950 static bool vmware_vga_available(void)
1951 {
1952 return object_class_by_name("vmware-svga");
1953 }
1954
1955 static bool qxl_vga_available(void)
1956 {
1957 return object_class_by_name("qxl-vga");
1958 }
1959
1960 static bool tcx_vga_available(void)
1961 {
1962 return object_class_by_name("SUNW,tcx");
1963 }
1964
1965 static bool cg3_vga_available(void)
1966 {
1967 return object_class_by_name("cgthree");
1968 }
1969
1970 static bool virtio_vga_available(void)
1971 {
1972 return object_class_by_name("virtio-vga");
1973 }
1974
1975 static void select_vgahw (const char *p)
1976 {
1977 const char *opts;
1978
1979 assert(vga_interface_type == VGA_NONE);
1980 if (strstart(p, "std", &opts)) {
1981 if (vga_available()) {
1982 vga_interface_type = VGA_STD;
1983 } else {
1984 error_report("standard VGA not available");
1985 exit(0);
1986 }
1987 } else if (strstart(p, "cirrus", &opts)) {
1988 if (cirrus_vga_available()) {
1989 vga_interface_type = VGA_CIRRUS;
1990 } else {
1991 error_report("Cirrus VGA not available");
1992 exit(0);
1993 }
1994 } else if (strstart(p, "vmware", &opts)) {
1995 if (vmware_vga_available()) {
1996 vga_interface_type = VGA_VMWARE;
1997 } else {
1998 error_report("VMWare SVGA not available");
1999 exit(0);
2000 }
2001 } else if (strstart(p, "virtio", &opts)) {
2002 if (virtio_vga_available()) {
2003 vga_interface_type = VGA_VIRTIO;
2004 } else {
2005 error_report("Virtio VGA not available");
2006 exit(0);
2007 }
2008 } else if (strstart(p, "xenfb", &opts)) {
2009 vga_interface_type = VGA_XENFB;
2010 } else if (strstart(p, "qxl", &opts)) {
2011 if (qxl_vga_available()) {
2012 vga_interface_type = VGA_QXL;
2013 } else {
2014 error_report("QXL VGA not available");
2015 exit(0);
2016 }
2017 } else if (strstart(p, "tcx", &opts)) {
2018 if (tcx_vga_available()) {
2019 vga_interface_type = VGA_TCX;
2020 } else {
2021 error_report("TCX framebuffer not available");
2022 exit(0);
2023 }
2024 } else if (strstart(p, "cg3", &opts)) {
2025 if (cg3_vga_available()) {
2026 vga_interface_type = VGA_CG3;
2027 } else {
2028 error_report("CG3 framebuffer not available");
2029 exit(0);
2030 }
2031 } else if (!strstart(p, "none", &opts)) {
2032 invalid_vga:
2033 error_report("unknown vga type: %s", p);
2034 exit(1);
2035 }
2036 while (*opts) {
2037 const char *nextopt;
2038
2039 if (strstart(opts, ",retrace=", &nextopt)) {
2040 opts = nextopt;
2041 if (strstart(opts, "dumb", &nextopt))
2042 vga_retrace_method = VGA_RETRACE_DUMB;
2043 else if (strstart(opts, "precise", &nextopt))
2044 vga_retrace_method = VGA_RETRACE_PRECISE;
2045 else goto invalid_vga;
2046 } else goto invalid_vga;
2047 opts = nextopt;
2048 }
2049 }
2050
2051 static DisplayType select_display(const char *p)
2052 {
2053 const char *opts;
2054 DisplayType display = DT_DEFAULT;
2055
2056 if (strstart(p, "sdl", &opts)) {
2057 #ifdef CONFIG_SDL
2058 display = DT_SDL;
2059 while (*opts) {
2060 const char *nextopt;
2061
2062 if (strstart(opts, ",frame=", &nextopt)) {
2063 opts = nextopt;
2064 if (strstart(opts, "on", &nextopt)) {
2065 no_frame = 0;
2066 } else if (strstart(opts, "off", &nextopt)) {
2067 no_frame = 1;
2068 } else {
2069 goto invalid_sdl_args;
2070 }
2071 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2072 opts = nextopt;
2073 if (strstart(opts, "on", &nextopt)) {
2074 alt_grab = 1;
2075 } else if (strstart(opts, "off", &nextopt)) {
2076 alt_grab = 0;
2077 } else {
2078 goto invalid_sdl_args;
2079 }
2080 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2081 opts = nextopt;
2082 if (strstart(opts, "on", &nextopt)) {
2083 ctrl_grab = 1;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 ctrl_grab = 0;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else if (strstart(opts, ",window_close=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "on", &nextopt)) {
2092 no_quit = 0;
2093 } else if (strstart(opts, "off", &nextopt)) {
2094 no_quit = 1;
2095 } else {
2096 goto invalid_sdl_args;
2097 }
2098 } else if (strstart(opts, ",gl=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "on", &nextopt)) {
2101 request_opengl = 1;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 request_opengl = 0;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else {
2108 invalid_sdl_args:
2109 error_report("invalid SDL option string");
2110 exit(1);
2111 }
2112 opts = nextopt;
2113 }
2114 #else
2115 error_report("SDL support is disabled");
2116 exit(1);
2117 #endif
2118 } else if (strstart(p, "vnc", &opts)) {
2119 #ifdef CONFIG_VNC
2120 if (*opts == '=') {
2121 Error *err = NULL;
2122 if (vnc_parse(opts + 1, &err) == NULL) {
2123 error_report_err(err);
2124 exit(1);
2125 }
2126 } else {
2127 error_report("VNC requires a display argument vnc=<display>");
2128 exit(1);
2129 }
2130 #else
2131 error_report("VNC support is disabled");
2132 exit(1);
2133 #endif
2134 } else if (strstart(p, "curses", &opts)) {
2135 #ifdef CONFIG_CURSES
2136 display = DT_CURSES;
2137 #else
2138 error_report("curses support is disabled");
2139 exit(1);
2140 #endif
2141 } else if (strstart(p, "gtk", &opts)) {
2142 #ifdef CONFIG_GTK
2143 display = DT_GTK;
2144 while (*opts) {
2145 const char *nextopt;
2146
2147 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 grab_on_hover = true;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 grab_on_hover = false;
2153 } else {
2154 goto invalid_gtk_args;
2155 }
2156 } else if (strstart(opts, ",gl=", &nextopt)) {
2157 opts = nextopt;
2158 if (strstart(opts, "on", &nextopt)) {
2159 request_opengl = 1;
2160 } else if (strstart(opts, "off", &nextopt)) {
2161 request_opengl = 0;
2162 } else {
2163 goto invalid_gtk_args;
2164 }
2165 } else {
2166 invalid_gtk_args:
2167 error_report("invalid GTK option string");
2168 exit(1);
2169 }
2170 opts = nextopt;
2171 }
2172 #else
2173 error_report("GTK support is disabled");
2174 exit(1);
2175 #endif
2176 } else if (strstart(p, "none", &opts)) {
2177 display = DT_NONE;
2178 } else {
2179 error_report("unknown display type");
2180 exit(1);
2181 }
2182
2183 return display;
2184 }
2185
2186 static int balloon_parse(const char *arg)
2187 {
2188 QemuOpts *opts;
2189
2190 if (strcmp(arg, "none") == 0) {
2191 return 0;
2192 }
2193
2194 if (!strncmp(arg, "virtio", 6)) {
2195 if (arg[6] == ',') {
2196 /* have params -> parse them */
2197 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2198 false);
2199 if (!opts)
2200 return -1;
2201 } else {
2202 /* create empty opts */
2203 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2204 &error_abort);
2205 }
2206 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2207 return 0;
2208 }
2209
2210 return -1;
2211 }
2212
2213 char *qemu_find_file(int type, const char *name)
2214 {
2215 int i;
2216 const char *subdir;
2217 char *buf;
2218
2219 /* Try the name as a straight path first */
2220 if (access(name, R_OK) == 0) {
2221 trace_load_file(name, name);
2222 return g_strdup(name);
2223 }
2224
2225 switch (type) {
2226 case QEMU_FILE_TYPE_BIOS:
2227 subdir = "";
2228 break;
2229 case QEMU_FILE_TYPE_KEYMAP:
2230 subdir = "keymaps/";
2231 break;
2232 default:
2233 abort();
2234 }
2235
2236 for (i = 0; i < data_dir_idx; i++) {
2237 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2238 if (access(buf, R_OK) == 0) {
2239 trace_load_file(name, buf);
2240 return buf;
2241 }
2242 g_free(buf);
2243 }
2244 return NULL;
2245 }
2246
2247 static inline bool nonempty_str(const char *str)
2248 {
2249 return str && *str;
2250 }
2251
2252 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2253 {
2254 gchar *buf;
2255 size_t size;
2256 const char *name, *file, *str;
2257
2258 if (opaque == NULL) {
2259 error_report("fw_cfg device not available");
2260 return -1;
2261 }
2262 name = qemu_opt_get(opts, "name");
2263 file = qemu_opt_get(opts, "file");
2264 str = qemu_opt_get(opts, "string");
2265
2266 /* we need name and either a file or the content string */
2267 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2268 error_report("invalid argument(s)");
2269 return -1;
2270 }
2271 if (nonempty_str(file) && nonempty_str(str)) {
2272 error_report("file and string are mutually exclusive");
2273 return -1;
2274 }
2275 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2276 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2277 return -1;
2278 }
2279 if (strncmp(name, "opt/", 4) != 0) {
2280 error_report("warning: externally provided fw_cfg item names "
2281 "should be prefixed with \"opt/\"");
2282 }
2283 if (nonempty_str(str)) {
2284 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2285 buf = g_memdup(str, size);
2286 } else {
2287 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2288 error_report("can't load %s", file);
2289 return -1;
2290 }
2291 }
2292 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2293 return 0;
2294 }
2295
2296 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2297 {
2298 return qdev_device_help(opts);
2299 }
2300
2301 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 Error *err = NULL;
2304 DeviceState *dev;
2305
2306 dev = qdev_device_add(opts, &err);
2307 if (!dev) {
2308 error_report_err(err);
2309 return -1;
2310 }
2311 object_unref(OBJECT(dev));
2312 return 0;
2313 }
2314
2315 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 Error *local_err = NULL;
2318
2319 qemu_chr_new_from_opts(opts, NULL, &local_err);
2320 if (local_err) {
2321 error_report_err(local_err);
2322 return -1;
2323 }
2324 return 0;
2325 }
2326
2327 #ifdef CONFIG_VIRTFS
2328 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 int ret;
2331 ret = qemu_fsdev_add(opts);
2332
2333 return ret;
2334 }
2335 #endif
2336
2337 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338 {
2339 CharDriverState *chr;
2340 const char *chardev;
2341 const char *mode;
2342 int flags;
2343
2344 mode = qemu_opt_get(opts, "mode");
2345 if (mode == NULL) {
2346 mode = "readline";
2347 }
2348 if (strcmp(mode, "readline") == 0) {
2349 flags = MONITOR_USE_READLINE;
2350 } else if (strcmp(mode, "control") == 0) {
2351 flags = MONITOR_USE_CONTROL;
2352 } else {
2353 error_report("unknown monitor mode \"%s\"", mode);
2354 exit(1);
2355 }
2356
2357 if (qemu_opt_get_bool(opts, "pretty", 0))
2358 flags |= MONITOR_USE_PRETTY;
2359
2360 if (qemu_opt_get_bool(opts, "default", 0))
2361 flags |= MONITOR_IS_DEFAULT;
2362
2363 chardev = qemu_opt_get(opts, "chardev");
2364 chr = qemu_chr_find(chardev);
2365 if (chr == NULL) {
2366 error_report("chardev \"%s\" not found", chardev);
2367 exit(1);
2368 }
2369
2370 qemu_chr_fe_claim_no_fail(chr);
2371 monitor_init(chr, flags);
2372 return 0;
2373 }
2374
2375 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2376 {
2377 static int monitor_device_index = 0;
2378 Error *local_err = NULL;
2379 QemuOpts *opts;
2380 const char *p;
2381 char label[32];
2382 int def = 0;
2383
2384 if (strstart(optarg, "chardev:", &p)) {
2385 snprintf(label, sizeof(label), "%s", p);
2386 } else {
2387 snprintf(label, sizeof(label), "compat_monitor%d",
2388 monitor_device_index);
2389 if (monitor_device_index == 0) {
2390 def = 1;
2391 }
2392 opts = qemu_chr_parse_compat(label, optarg);
2393 if (!opts) {
2394 error_report("parse error: %s", optarg);
2395 exit(1);
2396 }
2397 }
2398
2399 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2400 if (!opts) {
2401 error_report_err(local_err);
2402 exit(1);
2403 }
2404 qemu_opt_set(opts, "mode", mode, &error_abort);
2405 qemu_opt_set(opts, "chardev", label, &error_abort);
2406 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2407 if (def)
2408 qemu_opt_set(opts, "default", "on", &error_abort);
2409 monitor_device_index++;
2410 }
2411
2412 struct device_config {
2413 enum {
2414 DEV_USB, /* -usbdevice */
2415 DEV_BT, /* -bt */
2416 DEV_SERIAL, /* -serial */
2417 DEV_PARALLEL, /* -parallel */
2418 DEV_VIRTCON, /* -virtioconsole */
2419 DEV_DEBUGCON, /* -debugcon */
2420 DEV_GDB, /* -gdb, -s */
2421 DEV_SCLP, /* s390 sclp */
2422 } type;
2423 const char *cmdline;
2424 Location loc;
2425 QTAILQ_ENTRY(device_config) next;
2426 };
2427
2428 static QTAILQ_HEAD(, device_config) device_configs =
2429 QTAILQ_HEAD_INITIALIZER(device_configs);
2430
2431 static void add_device_config(int type, const char *cmdline)
2432 {
2433 struct device_config *conf;
2434
2435 conf = g_malloc0(sizeof(*conf));
2436 conf->type = type;
2437 conf->cmdline = cmdline;
2438 loc_save(&conf->loc);
2439 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2440 }
2441
2442 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2443 {
2444 struct device_config *conf;
2445 int rc;
2446
2447 QTAILQ_FOREACH(conf, &device_configs, next) {
2448 if (conf->type != type)
2449 continue;
2450 loc_push_restore(&conf->loc);
2451 rc = func(conf->cmdline);
2452 loc_pop(&conf->loc);
2453 if (rc) {
2454 return rc;
2455 }
2456 }
2457 return 0;
2458 }
2459
2460 static int serial_parse(const char *devname)
2461 {
2462 static int index = 0;
2463 char label[32];
2464
2465 if (strcmp(devname, "none") == 0)
2466 return 0;
2467 if (index == MAX_SERIAL_PORTS) {
2468 error_report("too many serial ports");
2469 exit(1);
2470 }
2471 snprintf(label, sizeof(label), "serial%d", index);
2472 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!serial_hds[index]) {
2474 error_report("could not connect serial device"
2475 " to character backend '%s'", devname);
2476 return -1;
2477 }
2478 index++;
2479 return 0;
2480 }
2481
2482 static int parallel_parse(const char *devname)
2483 {
2484 static int index = 0;
2485 char label[32];
2486
2487 if (strcmp(devname, "none") == 0)
2488 return 0;
2489 if (index == MAX_PARALLEL_PORTS) {
2490 error_report("too many parallel ports");
2491 exit(1);
2492 }
2493 snprintf(label, sizeof(label), "parallel%d", index);
2494 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2495 if (!parallel_hds[index]) {
2496 error_report("could not connect parallel device"
2497 " to character backend '%s'", devname);
2498 return -1;
2499 }
2500 index++;
2501 return 0;
2502 }
2503
2504 static int virtcon_parse(const char *devname)
2505 {
2506 QemuOptsList *device = qemu_find_opts("device");
2507 static int index = 0;
2508 char label[32];
2509 QemuOpts *bus_opts, *dev_opts;
2510
2511 if (strcmp(devname, "none") == 0)
2512 return 0;
2513 if (index == MAX_VIRTIO_CONSOLES) {
2514 error_report("too many virtio consoles");
2515 exit(1);
2516 }
2517
2518 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2519 if (arch_type == QEMU_ARCH_S390X) {
2520 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2521 } else {
2522 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2523 }
2524
2525 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2527
2528 snprintf(label, sizeof(label), "virtcon%d", index);
2529 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2530 if (!virtcon_hds[index]) {
2531 error_report("could not connect virtio console"
2532 " to character backend '%s'", devname);
2533 return -1;
2534 }
2535 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2536
2537 index++;
2538 return 0;
2539 }
2540
2541 static int sclp_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0) {
2549 return 0;
2550 }
2551 if (index == MAX_SCLP_CONSOLES) {
2552 error_report("too many sclp consoles");
2553 exit(1);
2554 }
2555
2556 assert(arch_type == QEMU_ARCH_S390X);
2557
2558 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2559 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2560
2561 snprintf(label, sizeof(label), "sclpcon%d", index);
2562 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2563 if (!sclp_hds[index]) {
2564 error_report("could not connect sclp console"
2565 " to character backend '%s'", devname);
2566 return -1;
2567 }
2568 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2569
2570 index++;
2571 return 0;
2572 }
2573
2574 static int debugcon_parse(const char *devname)
2575 {
2576 QemuOpts *opts;
2577
2578 if (!qemu_chr_new("debugcon", devname, NULL)) {
2579 exit(1);
2580 }
2581 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2582 if (!opts) {
2583 error_report("already have a debugcon device");
2584 exit(1);
2585 }
2586 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2587 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2588 return 0;
2589 }
2590
2591 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2592 {
2593 const MachineClass *mc1 = a, *mc2 = b;
2594 int res;
2595
2596 if (mc1->family == NULL) {
2597 if (mc2->family == NULL) {
2598 /* Compare standalone machine types against each other; they sort
2599 * in increasing order.
2600 */
2601 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2602 object_class_get_name(OBJECT_CLASS(mc2)));
2603 }
2604
2605 /* Standalone machine types sort after families. */
2606 return 1;
2607 }
2608
2609 if (mc2->family == NULL) {
2610 /* Families sort before standalone machine types. */
2611 return -1;
2612 }
2613
2614 /* Families sort between each other alphabetically increasingly. */
2615 res = strcmp(mc1->family, mc2->family);
2616 if (res != 0) {
2617 return res;
2618 }
2619
2620 /* Within the same family, machine types sort in decreasing order. */
2621 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2622 object_class_get_name(OBJECT_CLASS(mc1)));
2623 }
2624
2625 static MachineClass *machine_parse(const char *name)
2626 {
2627 MachineClass *mc = NULL;
2628 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2629
2630 if (name) {
2631 mc = find_machine(name);
2632 }
2633 if (mc) {
2634 g_slist_free(machines);
2635 return mc;
2636 }
2637 if (name && !is_help_option(name)) {
2638 error_report("unsupported machine type");
2639 error_printf("Use -machine help to list supported machines\n");
2640 } else {
2641 printf("Supported machines are:\n");
2642 machines = g_slist_sort(machines, machine_class_cmp);
2643 for (el = machines; el; el = el->next) {
2644 MachineClass *mc = el->data;
2645 if (mc->alias) {
2646 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2647 }
2648 printf("%-20s %s%s\n", mc->name, mc->desc,
2649 mc->is_default ? " (default)" : "");
2650 }
2651 }
2652
2653 g_slist_free(machines);
2654 exit(!name || !is_help_option(name));
2655 }
2656
2657 void qemu_add_exit_notifier(Notifier *notify)
2658 {
2659 notifier_list_add(&exit_notifiers, notify);
2660 }
2661
2662 void qemu_remove_exit_notifier(Notifier *notify)
2663 {
2664 notifier_remove(notify);
2665 }
2666
2667 static void qemu_run_exit_notifiers(void)
2668 {
2669 notifier_list_notify(&exit_notifiers, NULL);
2670 }
2671
2672 static bool machine_init_done;
2673
2674 void qemu_add_machine_init_done_notifier(Notifier *notify)
2675 {
2676 notifier_list_add(&machine_init_done_notifiers, notify);
2677 if (machine_init_done) {
2678 notify->notify(notify, NULL);
2679 }
2680 }
2681
2682 static void qemu_run_machine_init_done_notifiers(void)
2683 {
2684 notifier_list_notify(&machine_init_done_notifiers, NULL);
2685 machine_init_done = true;
2686 }
2687
2688 static const QEMUOption *lookup_opt(int argc, char **argv,
2689 const char **poptarg, int *poptind)
2690 {
2691 const QEMUOption *popt;
2692 int optind = *poptind;
2693 char *r = argv[optind];
2694 const char *optarg;
2695
2696 loc_set_cmdline(argv, optind, 1);
2697 optind++;
2698 /* Treat --foo the same as -foo. */
2699 if (r[1] == '-')
2700 r++;
2701 popt = qemu_options;
2702 for(;;) {
2703 if (!popt->name) {
2704 error_report("invalid option");
2705 exit(1);
2706 }
2707 if (!strcmp(popt->name, r + 1))
2708 break;
2709 popt++;
2710 }
2711 if (popt->flags & HAS_ARG) {
2712 if (optind >= argc) {
2713 error_report("requires an argument");
2714 exit(1);
2715 }
2716 optarg = argv[optind++];
2717 loc_set_cmdline(argv, optind - 2, 2);
2718 } else {
2719 optarg = NULL;
2720 }
2721
2722 *poptarg = optarg;
2723 *poptind = optind;
2724
2725 return popt;
2726 }
2727
2728 static int machine_set_property(void *opaque,
2729 const char *name, const char *value,
2730 Error **errp)
2731 {
2732 Object *obj = OBJECT(opaque);
2733 Error *local_err = NULL;
2734 char *c, *qom_name;
2735
2736 if (strcmp(name, "type") == 0) {
2737 return 0;
2738 }
2739
2740 qom_name = g_strdup(name);
2741 c = qom_name;
2742 while (*c++) {
2743 if (*c == '_') {
2744 *c = '-';
2745 }
2746 }
2747
2748 object_property_parse(obj, value, qom_name, &local_err);
2749 g_free(qom_name);
2750
2751 if (local_err) {
2752 error_report_err(local_err);
2753 return -1;
2754 }
2755
2756 return 0;
2757 }
2758
2759
2760 /*
2761 * Initial object creation happens before all other
2762 * QEMU data types are created. The majority of objects
2763 * can be created at this point. The rng-egd object
2764 * cannot be created here, as it depends on the chardev
2765 * already existing.
2766 */
2767 static bool object_create_initial(const char *type)
2768 {
2769 if (g_str_equal(type, "rng-egd")) {
2770 return false;
2771 }
2772
2773 /*
2774 * return false for concrete netfilters since
2775 * they depend on netdevs already existing
2776 */
2777 if (g_str_equal(type, "filter-buffer") ||
2778 g_str_equal(type, "filter-dump")) {
2779 return false;
2780 }
2781
2782 return true;
2783 }
2784
2785
2786 /*
2787 * The remainder of object creation happens after the
2788 * creation of chardev, fsdev, net clients and device data types.
2789 */
2790 static bool object_create_delayed(const char *type)
2791 {
2792 return !object_create_initial(type);
2793 }
2794
2795
2796 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2797 {
2798 Error *err = NULL;
2799 char *type = NULL;
2800 char *id = NULL;
2801 void *dummy = NULL;
2802 OptsVisitor *ov;
2803 QDict *pdict;
2804 bool (*type_predicate)(const char *) = opaque;
2805
2806 ov = opts_visitor_new(opts);
2807 pdict = qemu_opts_to_qdict(opts, NULL);
2808
2809 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2810 if (err) {
2811 goto out;
2812 }
2813
2814 qdict_del(pdict, "qom-type");
2815 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2816 if (err) {
2817 goto out;
2818 }
2819 if (!type_predicate(type)) {
2820 goto out;
2821 }
2822
2823 qdict_del(pdict, "id");
2824 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2825 if (err) {
2826 goto out;
2827 }
2828
2829 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2830 if (err) {
2831 goto out;
2832 }
2833 visit_end_struct(opts_get_visitor(ov), &err);
2834 if (err) {
2835 qmp_object_del(id, NULL);
2836 }
2837
2838 out:
2839 opts_visitor_cleanup(ov);
2840
2841 QDECREF(pdict);
2842 g_free(id);
2843 g_free(type);
2844 g_free(dummy);
2845 if (err) {
2846 error_report_err(err);
2847 return -1;
2848 }
2849 return 0;
2850 }
2851
2852 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2853 MachineClass *mc)
2854 {
2855 uint64_t sz;
2856 const char *mem_str;
2857 const char *maxmem_str, *slots_str;
2858 const ram_addr_t default_ram_size = mc->default_ram_size;
2859 QemuOpts *opts = qemu_find_opts_singleton("memory");
2860
2861 sz = 0;
2862 mem_str = qemu_opt_get(opts, "size");
2863 if (mem_str) {
2864 if (!*mem_str) {
2865 error_report("missing 'size' option value");
2866 exit(EXIT_FAILURE);
2867 }
2868
2869 sz = qemu_opt_get_size(opts, "size", ram_size);
2870
2871 /* Fix up legacy suffix-less format */
2872 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2873 uint64_t overflow_check = sz;
2874
2875 sz <<= 20;
2876 if ((sz >> 20) != overflow_check) {
2877 error_report("too large 'size' option value");
2878 exit(EXIT_FAILURE);
2879 }
2880 }
2881 }
2882
2883 /* backward compatibility behaviour for case "-m 0" */
2884 if (sz == 0) {
2885 sz = default_ram_size;
2886 }
2887
2888 sz = QEMU_ALIGN_UP(sz, 8192);
2889 ram_size = sz;
2890 if (ram_size != sz) {
2891 error_report("ram size too large");
2892 exit(EXIT_FAILURE);
2893 }
2894
2895 /* store value for the future use */
2896 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2897 *maxram_size = ram_size;
2898
2899 maxmem_str = qemu_opt_get(opts, "maxmem");
2900 slots_str = qemu_opt_get(opts, "slots");
2901 if (maxmem_str && slots_str) {
2902 uint64_t slots;
2903
2904 sz = qemu_opt_get_size(opts, "maxmem", 0);
2905 slots = qemu_opt_get_number(opts, "slots", 0);
2906 if (sz < ram_size) {
2907 error_report("invalid value of -m option maxmem: "
2908 "maximum memory size (0x%" PRIx64 ") must be at least "
2909 "the initial memory size (0x" RAM_ADDR_FMT ")",
2910 sz, ram_size);
2911 exit(EXIT_FAILURE);
2912 } else if (sz > ram_size) {
2913 if (!slots) {
2914 error_report("invalid value of -m option: maxmem was "
2915 "specified, but no hotplug slots were specified");
2916 exit(EXIT_FAILURE);
2917 }
2918 } else if (slots) {
2919 error_report("invalid value of -m option maxmem: "
2920 "memory slots were specified but maximum memory size "
2921 "(0x%" PRIx64 ") is equal to the initial memory size "
2922 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2923 exit(EXIT_FAILURE);
2924 }
2925
2926 *maxram_size = sz;
2927 *ram_slots = slots;
2928 } else if ((!maxmem_str && slots_str) ||
2929 (maxmem_str && !slots_str)) {
2930 error_report("invalid -m option value: missing "
2931 "'%s' option", slots_str ? "maxmem" : "slots");
2932 exit(EXIT_FAILURE);
2933 }
2934 }
2935
2936 int main(int argc, char **argv, char **envp)
2937 {
2938 int i;
2939 int snapshot, linux_boot;
2940 const char *initrd_filename;
2941 const char *kernel_filename, *kernel_cmdline;
2942 const char *boot_order = NULL;
2943 const char *boot_once = NULL;
2944 DisplayState *ds;
2945 int cyls, heads, secs, translation;
2946 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2947 QemuOptsList *olist;
2948 int optind;
2949 const char *optarg;
2950 const char *loadvm = NULL;
2951 MachineClass *machine_class;
2952 const char *cpu_model;
2953 const char *vga_model = NULL;
2954 const char *qtest_chrdev = NULL;
2955 const char *qtest_log = NULL;
2956 const char *pid_file = NULL;
2957 const char *incoming = NULL;
2958 #ifdef CONFIG_VNC
2959 int show_vnc_port = 0;
2960 #endif
2961 bool defconfig = true;
2962 bool userconfig = true;
2963 const char *log_mask = NULL;
2964 const char *log_file = NULL;
2965 const char *trace_events = NULL;
2966 const char *trace_file = NULL;
2967 ram_addr_t maxram_size;
2968 uint64_t ram_slots = 0;
2969 FILE *vmstate_dump_file = NULL;
2970 Error *main_loop_err = NULL;
2971 Error *err = NULL;
2972
2973 qemu_init_cpu_loop();
2974 qemu_mutex_lock_iothread();
2975
2976 atexit(qemu_run_exit_notifiers);
2977 error_set_progname(argv[0]);
2978 qemu_init_exec_dir(argv[0]);
2979
2980 module_call_init(MODULE_INIT_QOM);
2981
2982 qemu_add_opts(&qemu_drive_opts);
2983 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2984 qemu_add_drive_opts(&qemu_common_drive_opts);
2985 qemu_add_drive_opts(&qemu_drive_opts);
2986 qemu_add_opts(&qemu_chardev_opts);
2987 qemu_add_opts(&qemu_device_opts);
2988 qemu_add_opts(&qemu_netdev_opts);
2989 qemu_add_opts(&qemu_net_opts);
2990 qemu_add_opts(&qemu_rtc_opts);
2991 qemu_add_opts(&qemu_global_opts);
2992 qemu_add_opts(&qemu_mon_opts);
2993 qemu_add_opts(&qemu_trace_opts);
2994 qemu_add_opts(&qemu_option_rom_opts);
2995 qemu_add_opts(&qemu_machine_opts);
2996 qemu_add_opts(&qemu_mem_opts);
2997 qemu_add_opts(&qemu_smp_opts);
2998 qemu_add_opts(&qemu_boot_opts);
2999 qemu_add_opts(&qemu_sandbox_opts);
3000 qemu_add_opts(&qemu_add_fd_opts);
3001 qemu_add_opts(&qemu_object_opts);
3002 qemu_add_opts(&qemu_tpmdev_opts);
3003 qemu_add_opts(&qemu_realtime_opts);
3004 qemu_add_opts(&qemu_msg_opts);
3005 qemu_add_opts(&qemu_name_opts);
3006 qemu_add_opts(&qemu_numa_opts);
3007 qemu_add_opts(&qemu_icount_opts);
3008 qemu_add_opts(&qemu_semihosting_config_opts);
3009 qemu_add_opts(&qemu_fw_cfg_opts);
3010
3011 runstate_init();
3012
3013 if (qcrypto_init(&err) < 0) {
3014 error_report("cannot initialize crypto: %s", error_get_pretty(err));
3015 exit(1);
3016 }
3017 rtc_clock = QEMU_CLOCK_HOST;
3018
3019 QLIST_INIT (&vm_change_state_head);
3020 os_setup_early_signal_handling();
3021
3022 module_call_init(MODULE_INIT_MACHINE);
3023 machine_class = find_default_machine();
3024 cpu_model = NULL;
3025 snapshot = 0;
3026 cyls = heads = secs = 0;
3027 translation = BIOS_ATA_TRANSLATION_AUTO;
3028
3029 nb_nics = 0;
3030
3031 bdrv_init_with_whitelist();
3032
3033 autostart = 1;
3034
3035 /* first pass of option parsing */
3036 optind = 1;
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3039 /* disk image */
3040 optind++;
3041 } else {
3042 const QEMUOption *popt;
3043
3044 popt = lookup_opt(argc, argv, &optarg, &optind);
3045 switch (popt->index) {
3046 case QEMU_OPTION_nodefconfig:
3047 defconfig = false;
3048 break;
3049 case QEMU_OPTION_nouserconfig:
3050 userconfig = false;
3051 break;
3052 }
3053 }
3054 }
3055
3056 if (defconfig) {
3057 int ret;
3058 ret = qemu_read_default_config_files(userconfig);
3059 if (ret < 0) {
3060 exit(1);
3061 }
3062 }
3063
3064 /* second pass of option parsing */
3065 optind = 1;
3066 for(;;) {
3067 if (optind >= argc)
3068 break;
3069 if (argv[optind][0] != '-') {
3070 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3071 } else {
3072 const QEMUOption *popt;
3073
3074 popt = lookup_opt(argc, argv, &optarg, &optind);
3075 if (!(popt->arch_mask & arch_type)) {
3076 printf("Option %s not supported for this target\n", popt->name);
3077 exit(1);
3078 }
3079 switch(popt->index) {
3080 case QEMU_OPTION_no_kvm_irqchip: {
3081 olist = qemu_find_opts("machine");
3082 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3083 break;
3084 }
3085 case QEMU_OPTION_cpu:
3086 /* hw initialization will check this */
3087 cpu_model = optarg;
3088 break;
3089 case QEMU_OPTION_hda:
3090 {
3091 char buf[256];
3092 if (cyls == 0)
3093 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3094 else
3095 snprintf(buf, sizeof(buf),
3096 "%s,cyls=%d,heads=%d,secs=%d%s",
3097 HD_OPTS , cyls, heads, secs,
3098 translation == BIOS_ATA_TRANSLATION_LBA ?
3099 ",trans=lba" :
3100 translation == BIOS_ATA_TRANSLATION_NONE ?
3101 ",trans=none" : "");
3102 drive_add(IF_DEFAULT, 0, optarg, buf);
3103 break;
3104 }
3105 case QEMU_OPTION_hdb:
3106 case QEMU_OPTION_hdc:
3107 case QEMU_OPTION_hdd:
3108 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3109 HD_OPTS);
3110 break;
3111 case QEMU_OPTION_drive:
3112 if (drive_def(optarg) == NULL) {
3113 exit(1);
3114 }
3115 break;
3116 case QEMU_OPTION_set:
3117 if (qemu_set_option(optarg) != 0)
3118 exit(1);
3119 break;
3120 case QEMU_OPTION_global:
3121 if (qemu_global_option(optarg) != 0)
3122 exit(1);
3123 break;
3124 case QEMU_OPTION_mtdblock:
3125 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3126 break;
3127 case QEMU_OPTION_sd:
3128 drive_add(IF_SD, -1, optarg, SD_OPTS);
3129 break;
3130 case QEMU_OPTION_pflash:
3131 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3132 break;
3133 case QEMU_OPTION_snapshot:
3134 snapshot = 1;
3135 break;
3136 case QEMU_OPTION_hdachs:
3137 {
3138 const char *p;
3139 p = optarg;
3140 cyls = strtol(p, (char **)&p, 0);
3141 if (cyls < 1 || cyls > 16383)
3142 goto chs_fail;
3143 if (*p != ',')
3144 goto chs_fail;
3145 p++;
3146 heads = strtol(p, (char **)&p, 0);
3147 if (heads < 1 || heads > 16)
3148 goto chs_fail;
3149 if (*p != ',')
3150 goto chs_fail;
3151 p++;
3152 secs = strtol(p, (char **)&p, 0);
3153 if (secs < 1 || secs > 63)
3154 goto chs_fail;
3155 if (*p == ',') {
3156 p++;
3157 if (!strcmp(p, "large")) {
3158 translation = BIOS_ATA_TRANSLATION_LARGE;
3159 } else if (!strcmp(p, "rechs")) {
3160 translation = BIOS_ATA_TRANSLATION_RECHS;
3161 } else if (!strcmp(p, "none")) {
3162 translation = BIOS_ATA_TRANSLATION_NONE;
3163 } else if (!strcmp(p, "lba")) {
3164 translation = BIOS_ATA_TRANSLATION_LBA;
3165 } else if (!strcmp(p, "auto")) {
3166 translation = BIOS_ATA_TRANSLATION_AUTO;
3167 } else {
3168 goto chs_fail;
3169 }
3170 } else if (*p != '\0') {
3171 chs_fail:
3172 error_report("invalid physical CHS format");
3173 exit(1);
3174 }
3175 if (hda_opts != NULL) {
3176 qemu_opt_set_number(hda_opts, "cyls", cyls,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "heads", heads,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "secs", secs,
3181 &error_abort);
3182 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3183 qemu_opt_set(hda_opts, "trans", "large",
3184 &error_abort);
3185 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3186 qemu_opt_set(hda_opts, "trans", "rechs",
3187 &error_abort);
3188 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3189 qemu_opt_set(hda_opts, "trans", "lba",
3190 &error_abort);
3191 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3192 qemu_opt_set(hda_opts, "trans", "none",
3193 &error_abort);
3194 }
3195 }
3196 }
3197 break;
3198 case QEMU_OPTION_numa:
3199 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3200 optarg, true);
3201 if (!opts) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3207 break;
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3210 break;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3214 #else
3215 error_report("curses support is disabled");
3216 exit(1);
3217 #endif
3218 break;
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3221 break;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3226 error_report("only 90, 180, 270 deg rotation is available");
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_kernel:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3236 &error_abort);
3237 break;
3238 case QEMU_OPTION_append:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_dtb:
3243 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3244 &error_abort);
3245 break;
3246 case QEMU_OPTION_cdrom:
3247 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3248 break;
3249 case QEMU_OPTION_boot:
3250 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3251 optarg, true);
3252 if (!opts) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_fda:
3257 case QEMU_OPTION_fdb:
3258 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3259 optarg, FD_OPTS);
3260 break;
3261 case QEMU_OPTION_no_fd_bootchk:
3262 fd_bootchk = 0;
3263 break;
3264 case QEMU_OPTION_netdev:
3265 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_net:
3270 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 #ifdef CONFIG_LIBISCSI
3275 case QEMU_OPTION_iscsi:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3277 optarg, false);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 #endif
3283 #ifdef CONFIG_SLIRP
3284 case QEMU_OPTION_tftp:
3285 legacy_tftp_prefix = optarg;
3286 break;
3287 case QEMU_OPTION_bootp:
3288 legacy_bootp_filename = optarg;
3289 break;
3290 case QEMU_OPTION_redir:
3291 if (net_slirp_redir(optarg) < 0)
3292 exit(1);
3293 break;
3294 #endif
3295 case QEMU_OPTION_bt:
3296 add_device_config(DEV_BT, optarg);
3297 break;
3298 case QEMU_OPTION_audio_help:
3299 AUD_help ();
3300 exit (0);
3301 break;
3302 case QEMU_OPTION_soundhw:
3303 select_soundhw (optarg);
3304 break;
3305 case QEMU_OPTION_h:
3306 help(0);
3307 break;
3308 case QEMU_OPTION_version:
3309 version();
3310 exit(0);
3311 break;
3312 case QEMU_OPTION_m:
3313 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3314 optarg, true);
3315 if (!opts) {
3316 exit(EXIT_FAILURE);
3317 }
3318 break;
3319 #ifdef CONFIG_TPM
3320 case QEMU_OPTION_tpmdev:
3321 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3322 exit(1);
3323 }
3324 break;
3325 #endif
3326 case QEMU_OPTION_mempath:
3327 mem_path = optarg;
3328 break;
3329 case QEMU_OPTION_mem_prealloc:
3330 mem_prealloc = 1;
3331 break;
3332 case QEMU_OPTION_d:
3333 log_mask = optarg;
3334 break;
3335 case QEMU_OPTION_D:
3336 log_file = optarg;
3337 break;
3338 case QEMU_OPTION_s:
3339 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3340 break;
3341 case QEMU_OPTION_gdb:
3342 add_device_config(DEV_GDB, optarg);
3343 break;
3344 case QEMU_OPTION_L:
3345 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3346 data_dir[data_dir_idx++] = optarg;
3347 }
3348 break;
3349 case QEMU_OPTION_bios:
3350 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3351 &error_abort);
3352 break;
3353 case QEMU_OPTION_singlestep:
3354 singlestep = 1;
3355 break;
3356 case QEMU_OPTION_S:
3357 autostart = 0;
3358 break;
3359 case QEMU_OPTION_k:
3360 keyboard_layout = optarg;
3361 break;
3362 case QEMU_OPTION_localtime:
3363 rtc_utc = 0;
3364 break;
3365 case QEMU_OPTION_vga:
3366 vga_model = optarg;
3367 default_vga = 0;
3368 break;
3369 case QEMU_OPTION_g:
3370 {
3371 const char *p;
3372 int w, h, depth;
3373 p = optarg;
3374 w = strtol(p, (char **)&p, 10);
3375 if (w <= 0) {
3376 graphic_error:
3377 error_report("invalid resolution or depth");
3378 exit(1);
3379 }
3380 if (*p != 'x')
3381 goto graphic_error;
3382 p++;
3383 h = strtol(p, (char **)&p, 10);
3384 if (h <= 0)
3385 goto graphic_error;
3386 if (*p == 'x') {
3387 p++;
3388 depth = strtol(p, (char **)&p, 10);
3389 if (depth != 8 && depth != 15 && depth != 16 &&
3390 depth != 24 && depth != 32)
3391 goto graphic_error;
3392 } else if (*p == '\0') {
3393 depth = graphic_depth;
3394 } else {
3395 goto graphic_error;
3396 }
3397
3398 graphic_width = w;
3399 graphic_height = h;
3400 graphic_depth = depth;
3401 }
3402 break;
3403 case QEMU_OPTION_echr:
3404 {
3405 char *r;
3406 term_escape_char = strtol(optarg, &r, 0);
3407 if (r == optarg)
3408 printf("Bad argument to echr\n");
3409 break;
3410 }
3411 case QEMU_OPTION_monitor:
3412 default_monitor = 0;
3413 if (strncmp(optarg, "none", 4)) {
3414 monitor_parse(optarg, "readline", false);
3415 }
3416 break;
3417 case QEMU_OPTION_qmp:
3418 monitor_parse(optarg, "control", false);
3419 default_monitor = 0;
3420 break;
3421 case QEMU_OPTION_qmp_pretty:
3422 monitor_parse(optarg, "control", true);
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_mon:
3426 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3427 true);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 default_monitor = 0;
3432 break;
3433 case QEMU_OPTION_chardev:
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3435 optarg, true);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 break;
3440 case QEMU_OPTION_fsdev:
3441 olist = qemu_find_opts("fsdev");
3442 if (!olist) {
3443 error_report("fsdev support is disabled");
3444 exit(1);
3445 }
3446 opts = qemu_opts_parse_noisily(olist, optarg, true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 break;
3451 case QEMU_OPTION_virtfs: {
3452 QemuOpts *fsdev;
3453 QemuOpts *device;
3454 const char *writeout, *sock_fd, *socket;
3455
3456 olist = qemu_find_opts("virtfs");
3457 if (!olist) {
3458 error_report("virtfs support is disabled");
3459 exit(1);
3460 }
3461 opts = qemu_opts_parse_noisily(olist, optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465
3466 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3467 qemu_opt_get(opts, "mount_tag") == NULL) {
3468 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3469 exit(1);
3470 }
3471 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3472 qemu_opt_get(opts, "mount_tag"),
3473 1, NULL);
3474 if (!fsdev) {
3475 error_report("duplicate fsdev id: %s",
3476 qemu_opt_get(opts, "mount_tag"));
3477 exit(1);
3478 }
3479
3480 writeout = qemu_opt_get(opts, "writeout");
3481 if (writeout) {
3482 #ifdef CONFIG_SYNC_FILE_RANGE
3483 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3484 #else
3485 error_report("writeout=immediate not supported "
3486 "on this platform");
3487 exit(1);
3488 #endif
3489 }
3490 qemu_opt_set(fsdev, "fsdriver",
3491 qemu_opt_get(opts, "fsdriver"), &error_abort);
3492 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3493 &error_abort);
3494 qemu_opt_set(fsdev, "security_model",
3495 qemu_opt_get(opts, "security_model"),
3496 &error_abort);
3497 socket = qemu_opt_get(opts, "socket");
3498 if (socket) {
3499 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3500 }
3501 sock_fd = qemu_opt_get(opts, "sock_fd");
3502 if (sock_fd) {
3503 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3504 }
3505
3506 qemu_opt_set_bool(fsdev, "readonly",
3507 qemu_opt_get_bool(opts, "readonly", 0),
3508 &error_abort);
3509 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3510 &error_abort);
3511 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3512 qemu_opt_set(device, "fsdev",
3513 qemu_opt_get(opts, "mount_tag"), &error_abort);
3514 qemu_opt_set(device, "mount_tag",
3515 qemu_opt_get(opts, "mount_tag"), &error_abort);
3516 break;
3517 }
3518 case QEMU_OPTION_virtfs_synth: {
3519 QemuOpts *fsdev;
3520 QemuOpts *device;
3521
3522 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3523 1, NULL);
3524 if (!fsdev) {
3525 error_report("duplicate option: %s", "virtfs_synth");
3526 exit(1);
3527 }
3528 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3529
3530 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3531 &error_abort);
3532 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3533 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3534 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3535 break;
3536 }
3537 case QEMU_OPTION_serial:
3538 add_device_config(DEV_SERIAL, optarg);
3539 default_serial = 0;
3540 if (strncmp(optarg, "mon:", 4) == 0) {
3541 default_monitor = 0;
3542 }
3543 break;
3544 case QEMU_OPTION_watchdog:
3545 if (watchdog) {
3546 error_report("only one watchdog option may be given");
3547 return 1;
3548 }
3549 watchdog = optarg;
3550 break;
3551 case QEMU_OPTION_watchdog_action:
3552 if (select_watchdog_action(optarg) == -1) {
3553 error_report("unknown -watchdog-action parameter");
3554 exit(1);
3555 }
3556 break;
3557 case QEMU_OPTION_virtiocon:
3558 add_device_config(DEV_VIRTCON, optarg);
3559 default_virtcon = 0;
3560 if (strncmp(optarg, "mon:", 4) == 0) {
3561 default_monitor = 0;
3562 }
3563 break;
3564 case QEMU_OPTION_parallel:
3565 add_device_config(DEV_PARALLEL, optarg);
3566 default_parallel = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3569 }
3570 break;
3571 case QEMU_OPTION_debugcon:
3572 add_device_config(DEV_DEBUGCON, optarg);
3573 break;
3574 case QEMU_OPTION_loadvm:
3575 loadvm = optarg;
3576 break;
3577 case QEMU_OPTION_full_screen:
3578 full_screen = 1;
3579 break;
3580 case QEMU_OPTION_no_frame:
3581 no_frame = 1;
3582 break;
3583 case QEMU_OPTION_alt_grab:
3584 alt_grab = 1;
3585 break;
3586 case QEMU_OPTION_ctrl_grab:
3587 ctrl_grab = 1;
3588 break;
3589 case QEMU_OPTION_no_quit:
3590 no_quit = 1;
3591 break;
3592 case QEMU_OPTION_sdl:
3593 #ifdef CONFIG_SDL
3594 display_type = DT_SDL;
3595 break;
3596 #else
3597 error_report("SDL support is disabled");
3598 exit(1);
3599 #endif
3600 case QEMU_OPTION_pidfile:
3601 pid_file = optarg;
3602 break;
3603 case QEMU_OPTION_win2k_hack:
3604 win2k_install_hack = 1;
3605 break;
3606 case QEMU_OPTION_rtc_td_hack: {
3607 static GlobalProperty slew_lost_ticks[] = {
3608 {
3609 .driver = "mc146818rtc",
3610 .property = "lost_tick_policy",
3611 .value = "slew",
3612 },
3613 { /* end of list */ }
3614 };
3615
3616 qdev_prop_register_global_list(slew_lost_ticks);
3617 break;
3618 }
3619 case QEMU_OPTION_acpitable:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3621 optarg, true);
3622 if (!opts) {
3623 exit(1);
3624 }
3625 do_acpitable_option(opts);
3626 break;
3627 case QEMU_OPTION_smbios:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3629 optarg, false);
3630 if (!opts) {
3631 exit(1);
3632 }
3633 do_smbios_option(opts);
3634 break;
3635 case QEMU_OPTION_fwcfg:
3636 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3637 optarg, true);
3638 if (opts == NULL) {
3639 exit(1);
3640 }
3641 break;
3642 case QEMU_OPTION_enable_kvm:
3643 olist = qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3645 break;
3646 case QEMU_OPTION_M:
3647 case QEMU_OPTION_machine:
3648 olist = qemu_find_opts("machine");
3649 opts = qemu_opts_parse_noisily(olist, optarg, true);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 break;
3654 case QEMU_OPTION_no_kvm:
3655 olist = qemu_find_opts("machine");
3656 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3657 break;
3658 case QEMU_OPTION_no_kvm_pit: {
3659 error_report("warning: ignoring deprecated option");
3660 break;
3661 }
3662 case QEMU_OPTION_no_kvm_pit_reinjection: {
3663 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3664 {
3665 .driver = "kvm-pit",
3666 .property = "lost_tick_policy",
3667 .value = "discard",
3668 },
3669 { /* end of list */ }
3670 };
3671
3672 error_report("warning: deprecated, replaced by "
3673 "-global kvm-pit.lost_tick_policy=discard");
3674 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3675 break;
3676 }
3677 case QEMU_OPTION_usb:
3678 olist = qemu_find_opts("machine");
3679 qemu_opts_parse_noisily(olist, "usb=on", false);
3680 break;
3681 case QEMU_OPTION_usbdevice:
3682 olist = qemu_find_opts("machine");
3683 qemu_opts_parse_noisily(olist, "usb=on", false);
3684 add_device_config(DEV_USB, optarg);
3685 break;
3686 case QEMU_OPTION_device:
3687 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3688 optarg, true)) {
3689 exit(1);
3690 }
3691 break;
3692 case QEMU_OPTION_smp:
3693 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3694 optarg, true)) {
3695 exit(1);
3696 }
3697 break;
3698 case QEMU_OPTION_vnc:
3699 {
3700 #ifdef CONFIG_VNC
3701 Error *local_err = NULL;
3702
3703 if (vnc_parse(optarg, &local_err) == NULL) {
3704 error_report_err(local_err);
3705 exit(1);
3706 }
3707 #else
3708 error_report("VNC support is disabled");
3709 exit(1);
3710 #endif
3711 break;
3712 }
3713 case QEMU_OPTION_no_acpi:
3714 acpi_enabled = 0;
3715 break;
3716 case QEMU_OPTION_no_hpet:
3717 no_hpet = 1;
3718 break;
3719 case QEMU_OPTION_balloon:
3720 if (balloon_parse(optarg) < 0) {
3721 error_report("unknown -balloon argument %s", optarg);
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_no_reboot:
3726 no_reboot = 1;
3727 break;
3728 case QEMU_OPTION_no_shutdown:
3729 no_shutdown = 1;
3730 break;
3731 case QEMU_OPTION_show_cursor:
3732 cursor_hide = 0;
3733 break;
3734 case QEMU_OPTION_uuid:
3735 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3736 error_report("failed to parse UUID string: wrong format");
3737 exit(1);
3738 }
3739 qemu_uuid_set = true;
3740 break;
3741 case QEMU_OPTION_option_rom:
3742 if (nb_option_roms >= MAX_OPTION_ROMS) {
3743 error_report("too many option ROMs");
3744 exit(1);
3745 }
3746 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3747 optarg, true);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3752 option_rom[nb_option_roms].bootindex =
3753 qemu_opt_get_number(opts, "bootindex", -1);
3754 if (!option_rom[nb_option_roms].name) {
3755 error_report("Option ROM file is not specified");
3756 exit(1);
3757 }
3758 nb_option_roms++;
3759 break;
3760 case QEMU_OPTION_semihosting:
3761 semihosting.enabled = true;
3762 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 break;
3764 case QEMU_OPTION_semihosting_config:
3765 semihosting.enabled = true;
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3767 optarg, false);
3768 if (opts != NULL) {
3769 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3770 true);
3771 const char *target = qemu_opt_get(opts, "target");
3772 if (target != NULL) {
3773 if (strcmp("native", target) == 0) {
3774 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3775 } else if (strcmp("gdb", target) == 0) {
3776 semihosting.target = SEMIHOSTING_TARGET_GDB;
3777 } else if (strcmp("auto", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3779 } else {
3780 error_report("unsupported semihosting-config %s",
3781 optarg);
3782 exit(1);
3783 }
3784 } else {
3785 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3786 }
3787 /* Set semihosting argument count and vector */
3788 qemu_opt_foreach(opts, add_semihosting_arg,
3789 &semihosting, NULL);
3790 } else {
3791 error_report("unsupported semihosting-config %s", optarg);
3792 exit(1);
3793 }
3794 break;
3795 case QEMU_OPTION_tdf:
3796 error_report("warning: ignoring deprecated option");
3797 break;
3798 case QEMU_OPTION_name:
3799 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3800 optarg, true);
3801 if (!opts) {
3802 exit(1);
3803 }
3804 break;
3805 case QEMU_OPTION_prom_env:
3806 if (nb_prom_envs >= MAX_PROM_ENVS) {
3807 error_report("too many prom variables");
3808 exit(1);
3809 }
3810 prom_envs[nb_prom_envs] = optarg;
3811 nb_prom_envs++;
3812 break;
3813 case QEMU_OPTION_old_param:
3814 old_param = 1;
3815 break;
3816 case QEMU_OPTION_clock:
3817 /* Clock options no longer exist. Keep this option for
3818 * backward compatibility.
3819 */
3820 break;
3821 case QEMU_OPTION_startdate:
3822 configure_rtc_date_offset(optarg, 1);
3823 break;
3824 case QEMU_OPTION_rtc:
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3826 false);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 configure_rtc(opts);
3831 break;
3832 case QEMU_OPTION_tb_size:
3833 tcg_tb_size = strtol(optarg, NULL, 0);
3834 if (tcg_tb_size < 0) {
3835 tcg_tb_size = 0;
3836 }
3837 break;
3838 case QEMU_OPTION_icount:
3839 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3840 optarg, true);
3841 if (!icount_opts) {
3842 exit(1);
3843 }
3844 break;
3845 case QEMU_OPTION_incoming:
3846 if (!incoming) {
3847 runstate_set(RUN_STATE_INMIGRATE);
3848 }
3849 incoming = optarg;
3850 break;
3851 case QEMU_OPTION_nodefaults:
3852 has_defaults = 0;
3853 break;
3854 case QEMU_OPTION_xen_domid:
3855 if (!(xen_available())) {
3856 printf("Option %s not supported for this target\n", popt->name);
3857 exit(1);
3858 }
3859 xen_domid = atoi(optarg);
3860 break;
3861 case QEMU_OPTION_xen_create:
3862 if (!(xen_available())) {
3863 printf("Option %s not supported for this target\n", popt->name);
3864 exit(1);
3865 }
3866 xen_mode = XEN_CREATE;
3867 break;
3868 case QEMU_OPTION_xen_attach:
3869 if (!(xen_available())) {
3870 printf("Option %s not supported for this target\n", popt->name);
3871 exit(1);
3872 }
3873 xen_mode = XEN_ATTACH;
3874 break;
3875 case QEMU_OPTION_trace:
3876 {
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3878 optarg, false);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 trace_events = qemu_opt_get(opts, "events");
3883 trace_file = qemu_opt_get(opts, "file");
3884 break;
3885 }
3886 case QEMU_OPTION_readconfig:
3887 {
3888 int ret = qemu_read_config_file(optarg);
3889 if (ret < 0) {
3890 error_report("read config %s: %s", optarg,
3891 strerror(-ret));
3892 exit(1);
3893 }
3894 break;
3895 }
3896 case QEMU_OPTION_spice:
3897 olist = qemu_find_opts("spice");
3898 if (!olist) {
3899 error_report("spice support is disabled");
3900 exit(1);
3901 }
3902 opts = qemu_opts_parse_noisily(olist, optarg, false);
3903 if (!opts) {
3904 exit(1);
3905 }
3906 display_remote++;
3907 break;
3908 case QEMU_OPTION_writeconfig:
3909 {
3910 FILE *fp;
3911 if (strcmp(optarg, "-") == 0) {
3912 fp = stdout;
3913 } else {
3914 fp = fopen(optarg, "w");
3915 if (fp == NULL) {
3916 error_report("open %s: %s", optarg,
3917 strerror(errno));
3918 exit(1);
3919 }
3920 }
3921 qemu_config_write(fp);
3922 if (fp != stdout) {
3923 fclose(fp);
3924 }
3925 break;
3926 }
3927 case QEMU_OPTION_qtest:
3928 qtest_chrdev = optarg;
3929 break;
3930 case QEMU_OPTION_qtest_log:
3931 qtest_log = optarg;
3932 break;
3933 case QEMU_OPTION_sandbox:
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3935 optarg, true);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 break;
3940 case QEMU_OPTION_add_fd:
3941 #ifndef _WIN32
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3943 optarg, false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 #else
3948 error_report("File descriptor passing is disabled on this "
3949 "platform");
3950 exit(1);
3951 #endif
3952 break;
3953 case QEMU_OPTION_object:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3955 optarg, true);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 break;
3960 case QEMU_OPTION_realtime:
3961 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3962 optarg, false);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3967 break;
3968 case QEMU_OPTION_msg:
3969 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3970 false);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 configure_msg(opts);
3975 break;
3976 case QEMU_OPTION_dump_vmstate:
3977 if (vmstate_dump_file) {
3978 error_report("only one '-dump-vmstate' "
3979 "option may be given");
3980 exit(1);
3981 }
3982 vmstate_dump_file = fopen(optarg, "w");
3983 if (vmstate_dump_file == NULL) {
3984 error_report("open %s: %s", optarg, strerror(errno));
3985 exit(1);
3986 }
3987 break;
3988 default:
3989 os_parse_cmd_args(popt->index, optarg);
3990 }
3991 }
3992 }
3993
3994 opts = qemu_get_machine_opts();
3995 optarg = qemu_opt_get(opts, "type");
3996 if (optarg) {
3997 machine_class = machine_parse(optarg);
3998 }
3999
4000 if (machine_class == NULL) {
4001 error_report("No machine specified, and there is no default");
4002 error_printf("Use -machine help to list supported machines\n");
4003 exit(1);
4004 }
4005
4006 set_memory_options(&ram_slots, &maxram_size, machine_class);
4007
4008 loc_set_none();
4009
4010 os_daemonize();
4011
4012 if (qemu_init_main_loop(&main_loop_err)) {
4013 error_report_err(main_loop_err);
4014 exit(1);
4015 }
4016
4017 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4018 parse_sandbox, NULL, NULL)) {
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("name"),
4023 parse_name, NULL, NULL)) {
4024 exit(1);
4025 }
4026
4027 #ifndef _WIN32
4028 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 parse_add_fd, NULL, NULL)) {
4030 exit(1);
4031 }
4032
4033 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4034 cleanup_add_fd, NULL, NULL)) {
4035 exit(1);
4036 }
4037 #endif
4038
4039 current_machine = MACHINE(object_new(object_class_get_name(
4040 OBJECT_CLASS(machine_class))));
4041 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4042 exit(0);
4043 }
4044 object_property_add_child(object_get_root(), "machine",
4045 OBJECT(current_machine), &error_abort);
4046 cpu_exec_init_all();
4047
4048 if (machine_class->hw_version) {
4049 qemu_set_version(machine_class->hw_version);
4050 }
4051
4052 /* Init CPU def lists, based on config
4053 * - Must be called after all the qemu_read_config_file() calls
4054 * - Must be called before list_cpus()
4055 * - Must be called before machine->init()
4056 */
4057 cpudef_init();
4058
4059 if (cpu_model && is_help_option(cpu_model)) {
4060 list_cpus(stdout, &fprintf, cpu_model);
4061 exit(0);
4062 }
4063
4064 /* Open the logfile at this point and set the log mask if necessary.
4065 */
4066 if (log_file) {
4067 qemu_set_log_filename(log_file);
4068 }
4069
4070 if (log_mask) {
4071 int mask;
4072 mask = qemu_str_to_log_mask(log_mask);
4073 if (!mask) {
4074 qemu_print_log_usage(stdout);
4075 exit(1);
4076 }
4077 qemu_set_log(mask);
4078 }
4079
4080 if (!is_daemonized()) {
4081 if (!trace_init_backends(trace_events, trace_file)) {
4082 exit(1);
4083 }
4084 }
4085
4086 /* If no data_dir is specified then try to find it relative to the
4087 executable path. */
4088 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4089 data_dir[data_dir_idx] = os_find_datadir();
4090 if (data_dir[data_dir_idx] != NULL) {
4091 data_dir_idx++;
4092 }
4093 }
4094 /* If all else fails use the install path specified when building. */
4095 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4096 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4097 }
4098
4099 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4100
4101 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4102 if (max_cpus > machine_class->max_cpus) {
4103 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4104 "supported by machine '%s' (%d)", max_cpus,
4105 machine_class->name, machine_class->max_cpus);
4106 exit(1);
4107 }
4108
4109 /*
4110 * Get the default machine options from the machine if it is not already
4111 * specified either by the configuration file or by the command line.
4112 */
4113 if (machine_class->default_machine_opts) {
4114 qemu_opts_set_defaults(qemu_find_opts("machine"),
4115 machine_class->default_machine_opts, 0);
4116 }
4117
4118 qemu_opts_foreach(qemu_find_opts("device"),
4119 default_driver_check, NULL, NULL);
4120 qemu_opts_foreach(qemu_find_opts("global"),
4121 default_driver_check, NULL, NULL);
4122
4123 if (!vga_model && !default_vga) {
4124 vga_interface_type = VGA_DEVICE;
4125 }
4126 if (!has_defaults || machine_class->no_serial) {
4127 default_serial = 0;
4128 }
4129 if (!has_defaults || machine_class->no_parallel) {
4130 default_parallel = 0;
4131 }
4132 if (!has_defaults || !machine_class->use_virtcon) {
4133 default_virtcon = 0;
4134 }
4135 if (!has_defaults || !machine_class->use_sclp) {
4136 default_sclp = 0;
4137 }
4138 if (!has_defaults || machine_class->no_floppy) {
4139 default_floppy = 0;
4140 }
4141 if (!has_defaults || machine_class->no_cdrom) {
4142 default_cdrom = 0;
4143 }
4144 if (!has_defaults || machine_class->no_sdcard) {
4145 default_sdcard = 0;
4146 }
4147 if (!has_defaults) {
4148 default_monitor = 0;
4149 default_net = 0;
4150 default_vga = 0;
4151 }
4152
4153 if (is_daemonized()) {
4154 /* According to documentation and historically, -nographic redirects
4155 * serial port, parallel port and monitor to stdio, which does not work
4156 * with -daemonize. We can redirect these to null instead, but since
4157 * -nographic is legacy, let's just error out.
4158 * We disallow -nographic only if all other ports are not redirected
4159 * explicitly, to not break existing legacy setups which uses
4160 * -nographic _and_ redirects all ports explicitly - this is valid
4161 * usage, -nographic is just a no-op in this case.
4162 */
4163 if (display_type == DT_NOGRAPHIC
4164 && (default_parallel || default_serial
4165 || default_monitor || default_virtcon)) {
4166 error_report("-nographic cannot be used with -daemonize");
4167 exit(1);
4168 }
4169 #ifdef CONFIG_CURSES
4170 if (display_type == DT_CURSES) {
4171 error_report("curses display cannot be used with -daemonize");
4172 exit(1);
4173 }
4174 #endif
4175 }
4176
4177 if (display_type == DT_NOGRAPHIC) {
4178 if (default_parallel)
4179 add_device_config(DEV_PARALLEL, "null");
4180 if (default_serial && default_monitor) {
4181 add_device_config(DEV_SERIAL, "mon:stdio");
4182 } else if (default_virtcon && default_monitor) {
4183 add_device_config(DEV_VIRTCON, "mon:stdio");
4184 } else if (default_sclp && default_monitor) {
4185 add_device_config(DEV_SCLP, "mon:stdio");
4186 } else {
4187 if (default_serial)
4188 add_device_config(DEV_SERIAL, "stdio");
4189 if (default_virtcon)
4190 add_device_config(DEV_VIRTCON, "stdio");
4191 if (default_sclp) {
4192 add_device_config(DEV_SCLP, "stdio");
4193 }
4194 if (default_monitor)
4195 monitor_parse("stdio", "readline", false);
4196 }
4197 } else {
4198 if (default_serial)
4199 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4200 if (default_parallel)
4201 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4202 if (default_monitor)
4203 monitor_parse("vc:80Cx24C", "readline", false);
4204 if (default_virtcon)
4205 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4206 if (default_sclp) {
4207 add_device_config(DEV_SCLP, "vc:80Cx24C");
4208 }
4209 }
4210
4211 #if defined(CONFIG_VNC)
4212 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4213 display_remote++;
4214 }
4215 #endif
4216 if (display_type == DT_DEFAULT && !display_remote) {
4217 #if defined(CONFIG_GTK)
4218 display_type = DT_GTK;
4219 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4220 display_type = DT_SDL;
4221 #elif defined(CONFIG_VNC)
4222 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4223 show_vnc_port = 1;
4224 #else
4225 display_type = DT_NONE;
4226 #endif
4227 }
4228
4229 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4230 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4231 "for SDL, ignoring option");
4232 }
4233 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4234 error_report("-no-quit is only valid for GTK and SDL, "
4235 "ignoring option");
4236 }
4237
4238 #if defined(CONFIG_GTK)
4239 if (display_type == DT_GTK) {
4240 early_gtk_display_init(request_opengl);
4241 }
4242 #endif
4243 #if defined(CONFIG_SDL)
4244 if (display_type == DT_SDL) {
4245 sdl_display_early_init(request_opengl);
4246 }
4247 #endif
4248 if (request_opengl == 1 && display_opengl == 0) {
4249 #if defined(CONFIG_OPENGL)
4250 error_report("OpenGL is not supported by the display");
4251 #else
4252 error_report("OpenGL support is disabled");
4253 #endif
4254 exit(1);
4255 }
4256
4257 socket_init();
4258
4259 if (qemu_opts_foreach(qemu_find_opts("object"),
4260 object_create,
4261 object_create_initial, NULL)) {
4262 exit(1);
4263 }
4264
4265 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4266 chardev_init_func, NULL, NULL)) {
4267 exit(1);
4268 }
4269
4270 #ifdef CONFIG_VIRTFS
4271 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4272 fsdev_init_func, NULL, NULL)) {
4273 exit(1);
4274 }
4275 #endif
4276
4277 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4278 error_report("could not acquire pid file: %s", strerror(errno));
4279 exit(1);
4280 }
4281
4282 if (qemu_opts_foreach(qemu_find_opts("device"),
4283 device_help_func, NULL, NULL)) {
4284 exit(0);
4285 }
4286
4287 machine_opts = qemu_get_machine_opts();
4288 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4289 NULL)) {
4290 object_unref(OBJECT(current_machine));
4291 exit(1);
4292 }
4293
4294 configure_accelerator(current_machine);
4295
4296 if (qtest_chrdev) {
4297 Error *local_err = NULL;
4298 qtest_init(qtest_chrdev, qtest_log, &local_err);
4299 if (local_err) {
4300 error_report_err(local_err);
4301 exit(1);
4302 }
4303 }
4304
4305 machine_opts = qemu_get_machine_opts();
4306 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4307 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4308 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4309 bios_name = qemu_opt_get(machine_opts, "firmware");
4310
4311 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4312 if (opts) {
4313 Error *local_err = NULL;
4314
4315 boot_order = qemu_opt_get(opts, "order");
4316 if (boot_order) {
4317 validate_bootdevices(boot_order, &local_err);
4318 if (local_err) {
4319 error_report_err(local_err);
4320 exit(1);
4321 }
4322 }
4323
4324 boot_once = qemu_opt_get(opts, "once");
4325 if (boot_once) {
4326 validate_bootdevices(boot_once, &local_err);
4327 if (local_err) {
4328 error_report_err(local_err);
4329 exit(1);
4330 }
4331 }
4332
4333 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4334 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4335 }
4336
4337 if (!boot_order) {
4338 boot_order = machine_class->default_boot_order;
4339 }
4340
4341 if (!kernel_cmdline) {
4342 kernel_cmdline = "";
4343 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4344 }
4345
4346 linux_boot = (kernel_filename != NULL);
4347
4348 if (!linux_boot && *kernel_cmdline != '\0') {
4349 error_report("-append only allowed with -kernel option");
4350 exit(1);
4351 }
4352
4353 if (!linux_boot && initrd_filename != NULL) {
4354 error_report("-initrd only allowed with -kernel option");
4355 exit(1);
4356 }
4357
4358 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4359 error_report("-dtb only allowed with -kernel option");
4360 exit(1);
4361 }
4362
4363 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4364 /* fall back to the -kernel/-append */
4365 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4366 }
4367
4368 os_set_line_buffering();
4369
4370 #ifdef CONFIG_SPICE
4371 /* spice needs the timers to be initialized by this point */
4372 qemu_spice_init();
4373 #endif
4374
4375 cpu_ticks_init();
4376 if (icount_opts) {
4377 if (kvm_enabled() || xen_enabled()) {
4378 error_report("-icount is not allowed with kvm or xen");
4379 exit(1);
4380 }
4381 configure_icount(icount_opts, &error_abort);
4382 qemu_opts_del(icount_opts);
4383 }
4384
4385 /* clean up network at qemu process termination */
4386 atexit(&net_cleanup);
4387
4388 if (net_init_clients() < 0) {
4389 exit(1);
4390 }
4391
4392 if (qemu_opts_foreach(qemu_find_opts("object"),
4393 object_create,
4394 object_create_delayed, NULL)) {
4395 exit(1);
4396 }
4397
4398 #ifdef CONFIG_TPM
4399 if (tpm_init() < 0) {
4400 exit(1);
4401 }
4402 #endif
4403
4404 /* init the bluetooth world */
4405 if (foreach_device_config(DEV_BT, bt_parse))
4406 exit(1);
4407
4408 if (!xen_enabled()) {
4409 /* On 32-bit hosts, QEMU is limited by virtual address space */
4410 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4411 error_report("at most 2047 MB RAM can be simulated");
4412 exit(1);
4413 }
4414 }
4415
4416 blk_mig_init();
4417 ram_mig_init();
4418
4419 /* If the currently selected machine wishes to override the units-per-bus
4420 * property of its default HBA interface type, do so now. */
4421 if (machine_class->units_per_default_bus) {
4422 override_max_devs(machine_class->block_default_type,
4423 machine_class->units_per_default_bus);
4424 }
4425
4426 /* open the virtual block devices */
4427 if (snapshot)
4428 qemu_opts_foreach(qemu_find_opts("drive"),
4429 drive_enable_snapshot, NULL, NULL);
4430 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4431 &machine_class->block_default_type, NULL)) {
4432 exit(1);
4433 }
4434
4435 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4436 CDROM_OPTS);
4437 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4438 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4439
4440 parse_numa_opts(machine_class);
4441
4442 if (qemu_opts_foreach(qemu_find_opts("mon"),
4443 mon_init_func, NULL, NULL)) {
4444 exit(1);
4445 }
4446
4447 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4448 exit(1);
4449 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4454 exit(1);
4455 }
4456 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4457 exit(1);
4458
4459 /* If no default VGA is requested, the default is "none". */
4460 if (default_vga) {
4461 if (machine_class->default_display) {
4462 vga_model = machine_class->default_display;
4463 } else if (cirrus_vga_available()) {
4464 vga_model = "cirrus";
4465 } else if (vga_available()) {
4466 vga_model = "std";
4467 }
4468 }
4469 if (vga_model) {
4470 select_vgahw(vga_model);
4471 }
4472
4473 if (watchdog) {
4474 i = select_watchdog(watchdog);
4475 if (i > 0)
4476 exit (i == 1 ? 1 : 0);
4477 }
4478
4479 if (machine_class->compat_props) {
4480 qdev_prop_register_global_list(machine_class->compat_props);
4481 }
4482 qemu_add_globals();
4483
4484 qdev_machine_init();
4485
4486 current_machine->ram_size = ram_size;
4487 current_machine->maxram_size = maxram_size;
4488 current_machine->ram_slots = ram_slots;
4489 current_machine->boot_order = boot_order;
4490 current_machine->cpu_model = cpu_model;
4491
4492 machine_class->init(current_machine);
4493
4494 realtime_init();
4495
4496 audio_init();
4497
4498 cpu_synchronize_all_post_init();
4499
4500 numa_post_machine_init();
4501
4502 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4503 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4504 exit(1);
4505 }
4506
4507 /* init USB devices */
4508 if (usb_enabled()) {
4509 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4510 exit(1);
4511 }
4512
4513 /* Check if IGD GFX passthrough. */
4514 igd_gfx_passthru();
4515
4516 /* init generic devices */
4517 if (qemu_opts_foreach(qemu_find_opts("device"),
4518 device_init_func, NULL, NULL)) {
4519 exit(1);
4520 }
4521
4522 /* Did we create any drives that we failed to create a device for? */
4523 drive_check_orphaned();
4524
4525 net_check_clients();
4526
4527 if (boot_once) {
4528 Error *local_err = NULL;
4529 qemu_boot_set(boot_once, &local_err);
4530 if (local_err) {
4531 error_report("%s", error_get_pretty(local_err));
4532 exit(1);
4533 }
4534 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4535 }
4536
4537 ds = init_displaystate();
4538
4539 /* init local displays */
4540 switch (display_type) {
4541 case DT_NOGRAPHIC:
4542 (void)ds; /* avoid warning if no display is configured */
4543 break;
4544 #if defined(CONFIG_CURSES)
4545 case DT_CURSES:
4546 curses_display_init(ds, full_screen);
4547 break;
4548 #endif
4549 #if defined(CONFIG_SDL)
4550 case DT_SDL:
4551 sdl_display_init(ds, full_screen, no_frame);
4552 break;
4553 #elif defined(CONFIG_COCOA)
4554 case DT_SDL:
4555 cocoa_display_init(ds, full_screen);
4556 break;
4557 #endif
4558 #if defined(CONFIG_GTK)
4559 case DT_GTK:
4560 gtk_display_init(ds, full_screen, grab_on_hover);
4561 break;
4562 #endif
4563 default:
4564 break;
4565 }
4566
4567 /* must be after terminal init, SDL library changes signal handlers */
4568 os_setup_signal_handling();
4569
4570 #ifdef CONFIG_VNC
4571 /* init remote displays */
4572 qemu_opts_foreach(qemu_find_opts("vnc"),
4573 vnc_init_func, NULL, NULL);
4574 if (show_vnc_port) {
4575 char *ret = vnc_display_local_addr("default");
4576 printf("VNC server running on '%s'\n", ret);
4577 g_free(ret);
4578 }
4579 #endif
4580 #ifdef CONFIG_SPICE
4581 if (using_spice) {
4582 qemu_spice_display_init();
4583 }
4584 #endif
4585
4586 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4587 exit(1);
4588 }
4589
4590 qdev_machine_creation_done();
4591
4592 /* TODO: once all bus devices are qdevified, this should be done
4593 * when bus is created by qdev.c */
4594 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4595 qemu_run_machine_init_done_notifiers();
4596
4597 if (rom_check_and_register_reset() != 0) {
4598 error_report("rom check and register reset failed");
4599 exit(1);
4600 }
4601
4602 qemu_system_reset(VMRESET_SILENT);
4603 register_global_state();
4604 if (loadvm) {
4605 if (load_vmstate(loadvm) < 0) {
4606 autostart = 0;
4607 }
4608 }
4609
4610 qdev_prop_check_globals();
4611 if (vmstate_dump_file) {
4612 /* dump and exit */
4613 dump_vmstate_json_to_file(vmstate_dump_file);
4614 return 0;
4615 }
4616
4617 if (incoming) {
4618 Error *local_err = NULL;
4619 qemu_start_incoming_migration(incoming, &local_err);
4620 if (local_err) {
4621 error_report("-incoming %s: %s", incoming,
4622 error_get_pretty(local_err));
4623 error_free(local_err);
4624 exit(1);
4625 }
4626 } else if (autostart) {
4627 vm_start();
4628 }
4629
4630 os_setup_post();
4631
4632 if (is_daemonized()) {
4633 if (!trace_init_backends(trace_events, trace_file)) {
4634 exit(1);
4635 }
4636 }
4637
4638 main_loop();
4639 bdrv_close_all();
4640 pause_all_vcpus();
4641 res_free();
4642 #ifdef CONFIG_TPM
4643 tpm_cleanup();
4644 #endif
4645
4646 return 0;
4647 }
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