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1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/error-report.h"
62 #include "qemu/sockets.h"
63 #include "hw/hw.h"
64 #include "hw/boards.h"
65 #include "sysemu/accel.h"
66 #include "hw/usb.h"
67 #include "hw/i386/pc.h"
68 #include "hw/isa/isa.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/xen/xen.h"
73 #include "hw/qdev.h"
74 #include "hw/loader.h"
75 #include "monitor/qdev.h"
76 #include "sysemu/bt.h"
77 #include "net/net.h"
78 #include "net/slirp.h"
79 #include "monitor/monitor.h"
80 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "sysemu/char.h"
86 #include "qemu/bitmap.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116 #include "qemu/osdep.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 DisplayType display_type = DT_DEFAULT;
135 int request_opengl = -1;
136 int display_opengl;
137 static int display_remote;
138 const char* keyboard_layout = NULL;
139 ram_addr_t ram_size;
140 const char *mem_path = NULL;
141 int mem_prealloc = 0; /* force preallocation of physical target memory */
142 bool enable_mlock = false;
143 int nb_nics;
144 NICInfo nd_table[MAX_NICS];
145 int autostart;
146 static int rtc_utc = 1;
147 static int rtc_date_offset = -1; /* -1 means no change */
148 QEMUClockType rtc_clock;
149 int vga_interface_type = VGA_NONE;
150 static int full_screen = 0;
151 static int no_frame = 0;
152 int no_quit = 0;
153 #ifdef CONFIG_GTK
154 static bool grab_on_hover;
155 #endif
156 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
157 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
158 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
159 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus = 1;
163 int max_cpus = 0;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 uint8_t qemu_uuid[16];
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205
206 static int has_defaults = 1;
207 static int default_serial = 1;
208 static int default_parallel = 1;
209 static int default_virtcon = 1;
210 static int default_sclp = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "ide-cd", .flag = &default_cdrom },
225 { .driver = "ide-hd", .flag = &default_cdrom },
226 { .driver = "ide-drive", .flag = &default_cdrom },
227 { .driver = "scsi-cd", .flag = &default_cdrom },
228 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
229 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 };
239
240 static QemuOptsList qemu_rtc_opts = {
241 .name = "rtc",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .desc = {
244 {
245 .name = "base",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "clock",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "driftfix",
252 .type = QEMU_OPT_STRING,
253 },
254 { /* end of list */ }
255 },
256 };
257
258 static QemuOptsList qemu_sandbox_opts = {
259 .name = "sandbox",
260 .implied_opt_name = "enable",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
262 .desc = {
263 {
264 .name = "enable",
265 .type = QEMU_OPT_BOOL,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_trace_opts = {
272 .name = "trace",
273 .implied_opt_name = "trace",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
275 .desc = {
276 {
277 .name = "events",
278 .type = QEMU_OPT_STRING,
279 },{
280 .name = "file",
281 .type = QEMU_OPT_STRING,
282 },
283 { /* end of list */ }
284 },
285 };
286
287 static QemuOptsList qemu_option_rom_opts = {
288 .name = "option-rom",
289 .implied_opt_name = "romfile",
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
291 .desc = {
292 {
293 .name = "bootindex",
294 .type = QEMU_OPT_NUMBER,
295 }, {
296 .name = "romfile",
297 .type = QEMU_OPT_STRING,
298 },
299 { /* end of list */ }
300 },
301 };
302
303 static QemuOptsList qemu_machine_opts = {
304 .name = "machine",
305 .implied_opt_name = "type",
306 .merge_lists = true,
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
308 .desc = {
309 /*
310 * no elements => accept any
311 * sanity checking will happen later
312 * when setting machine properties
313 */
314 { }
315 },
316 };
317
318 static QemuOptsList qemu_boot_opts = {
319 .name = "boot-opts",
320 .implied_opt_name = "order",
321 .merge_lists = true,
322 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
323 .desc = {
324 {
325 .name = "order",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "once",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "menu",
332 .type = QEMU_OPT_BOOL,
333 }, {
334 .name = "splash",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "splash-time",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "reboot-timeout",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "strict",
344 .type = QEMU_OPT_BOOL,
345 },
346 { /*End of list */ }
347 },
348 };
349
350 static QemuOptsList qemu_add_fd_opts = {
351 .name = "add-fd",
352 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
353 .desc = {
354 {
355 .name = "fd",
356 .type = QEMU_OPT_NUMBER,
357 .help = "file descriptor of which a duplicate is added to fd set",
358 },{
359 .name = "set",
360 .type = QEMU_OPT_NUMBER,
361 .help = "ID of the fd set to add fd to",
362 },{
363 .name = "opaque",
364 .type = QEMU_OPT_STRING,
365 .help = "free-form string used to describe fd",
366 },
367 { /* end of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_object_opts = {
372 .name = "object",
373 .implied_opt_name = "qom-type",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
375 .desc = {
376 { }
377 },
378 };
379
380 static QemuOptsList qemu_tpmdev_opts = {
381 .name = "tpmdev",
382 .implied_opt_name = "type",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
384 .desc = {
385 /* options are defined in the TPM backends */
386 { /* end of list */ }
387 },
388 };
389
390 static QemuOptsList qemu_realtime_opts = {
391 .name = "realtime",
392 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
393 .desc = {
394 {
395 .name = "mlock",
396 .type = QEMU_OPT_BOOL,
397 },
398 { /* end of list */ }
399 },
400 };
401
402 static QemuOptsList qemu_msg_opts = {
403 .name = "msg",
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
405 .desc = {
406 {
407 .name = "timestamp",
408 .type = QEMU_OPT_BOOL,
409 },
410 { /* end of list */ }
411 },
412 };
413
414 static QemuOptsList qemu_name_opts = {
415 .name = "name",
416 .implied_opt_name = "guest",
417 .merge_lists = true,
418 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
419 .desc = {
420 {
421 .name = "guest",
422 .type = QEMU_OPT_STRING,
423 .help = "Sets the name of the guest.\n"
424 "This name will be displayed in the SDL window caption.\n"
425 "The name will also be used for the VNC server",
426 }, {
427 .name = "process",
428 .type = QEMU_OPT_STRING,
429 .help = "Sets the name of the QEMU process, as shown in top etc",
430 }, {
431 .name = "debug-threads",
432 .type = QEMU_OPT_BOOL,
433 .help = "When enabled, name the individual threads; defaults off.\n"
434 "NOTE: The thread names are for debugging and not a\n"
435 "stable API.",
436 },
437 { /* End of list */ }
438 },
439 };
440
441 static QemuOptsList qemu_mem_opts = {
442 .name = "memory",
443 .implied_opt_name = "size",
444 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
445 .merge_lists = true,
446 .desc = {
447 {
448 .name = "size",
449 .type = QEMU_OPT_SIZE,
450 },
451 {
452 .name = "slots",
453 .type = QEMU_OPT_NUMBER,
454 },
455 {
456 .name = "maxmem",
457 .type = QEMU_OPT_SIZE,
458 },
459 { /* end of list */ }
460 },
461 };
462
463 static QemuOptsList qemu_icount_opts = {
464 .name = "icount",
465 .implied_opt_name = "shift",
466 .merge_lists = true,
467 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
468 .desc = {
469 {
470 .name = "shift",
471 .type = QEMU_OPT_STRING,
472 }, {
473 .name = "align",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "sleep",
477 .type = QEMU_OPT_BOOL,
478 },
479 { /* end of list */ }
480 },
481 };
482
483 static QemuOptsList qemu_semihosting_config_opts = {
484 .name = "semihosting-config",
485 .implied_opt_name = "enable",
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
487 .desc = {
488 {
489 .name = "enable",
490 .type = QEMU_OPT_BOOL,
491 }, {
492 .name = "target",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "arg",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_fw_cfg_opts = {
503 .name = "fw_cfg",
504 .implied_opt_name = "name",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
506 .desc = {
507 {
508 .name = "name",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the fw_cfg name of the blob to be inserted",
511 }, {
512 .name = "file",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the file from which\n"
515 "the fw_cfg blob will be loaded",
516 }, {
517 .name = "string",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets content of the blob to be inserted from a string",
520 },
521 { /* end of list */ }
522 },
523 };
524
525 /**
526 * Get machine options
527 *
528 * Returns: machine options (never null).
529 */
530 QemuOpts *qemu_get_machine_opts(void)
531 {
532 return qemu_find_opts_singleton("machine");
533 }
534
535 const char *qemu_get_vm_name(void)
536 {
537 return qemu_name;
538 }
539
540 static void res_free(void)
541 {
542 g_free(boot_splash_filedata);
543 boot_splash_filedata = NULL;
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRELAUNCH;
565
566 /* We use RUN_STATE_MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE_MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
578 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
579
580 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
581 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
582 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
584 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
585 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
586 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
587 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
591 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
592
593 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
594 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
597 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
598
599 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
600 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
603 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
605
606 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
607 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
608
609 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
610
611 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
612 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
613 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
614 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
615 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
617 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
618 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
620 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
621
622 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
623
624 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
625 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
626
627 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
628 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
629 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
630 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
631
632 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
633 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
634
635 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
636 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
637
638 { RUN_STATE_MAX, RUN_STATE_MAX },
639 };
640
641 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
642
643 bool runstate_check(RunState state)
644 {
645 return current_run_state == state;
646 }
647
648 bool runstate_store(char *str, size_t size)
649 {
650 const char *state = RunState_lookup[current_run_state];
651 size_t len = strlen(state) + 1;
652
653 if (len > size) {
654 return false;
655 }
656 memcpy(str, state, len);
657 return true;
658 }
659
660 static void runstate_init(void)
661 {
662 const RunStateTransition *p;
663
664 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
665 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
666 runstate_valid_transitions[p->from][p->to] = true;
667 }
668
669 qemu_mutex_init(&vmstop_lock);
670 }
671
672 /* This function will abort() on invalid state transitions */
673 void runstate_set(RunState new_state)
674 {
675 assert(new_state < RUN_STATE_MAX);
676
677 if (!runstate_valid_transitions[current_run_state][new_state]) {
678 error_report("invalid runstate transition: '%s' -> '%s'",
679 RunState_lookup[current_run_state],
680 RunState_lookup[new_state]);
681 abort();
682 }
683 trace_runstate_set(new_state);
684 current_run_state = new_state;
685 }
686
687 int runstate_is_running(void)
688 {
689 return runstate_check(RUN_STATE_RUNNING);
690 }
691
692 bool runstate_needs_reset(void)
693 {
694 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
695 runstate_check(RUN_STATE_SHUTDOWN);
696 }
697
698 StatusInfo *qmp_query_status(Error **errp)
699 {
700 StatusInfo *info = g_malloc0(sizeof(*info));
701
702 info->running = runstate_is_running();
703 info->singlestep = singlestep;
704 info->status = current_run_state;
705
706 return info;
707 }
708
709 static bool qemu_vmstop_requested(RunState *r)
710 {
711 qemu_mutex_lock(&vmstop_lock);
712 *r = vmstop_requested;
713 vmstop_requested = RUN_STATE_MAX;
714 qemu_mutex_unlock(&vmstop_lock);
715 return *r < RUN_STATE_MAX;
716 }
717
718 void qemu_system_vmstop_request_prepare(void)
719 {
720 qemu_mutex_lock(&vmstop_lock);
721 }
722
723 void qemu_system_vmstop_request(RunState state)
724 {
725 vmstop_requested = state;
726 qemu_mutex_unlock(&vmstop_lock);
727 qemu_notify_event();
728 }
729
730 void vm_start(void)
731 {
732 RunState requested;
733
734 qemu_vmstop_requested(&requested);
735 if (runstate_is_running() && requested == RUN_STATE_MAX) {
736 return;
737 }
738
739 /* Ensure that a STOP/RESUME pair of events is emitted if a
740 * vmstop request was pending. The BLOCK_IO_ERROR event, for
741 * example, according to documentation is always followed by
742 * the STOP event.
743 */
744 if (runstate_is_running()) {
745 qapi_event_send_stop(&error_abort);
746 } else {
747 cpu_enable_ticks();
748 runstate_set(RUN_STATE_RUNNING);
749 vm_state_notify(1, RUN_STATE_RUNNING);
750 resume_all_vcpus();
751 }
752
753 qapi_event_send_resume(&error_abort);
754 }
755
756
757 /***********************************************************/
758 /* real time host monotonic timer */
759
760 static time_t qemu_time(void)
761 {
762 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
763 }
764
765 /***********************************************************/
766 /* host time/date access */
767 void qemu_get_timedate(struct tm *tm, int offset)
768 {
769 time_t ti = qemu_time();
770
771 ti += offset;
772 if (rtc_date_offset == -1) {
773 if (rtc_utc)
774 gmtime_r(&ti, tm);
775 else
776 localtime_r(&ti, tm);
777 } else {
778 ti -= rtc_date_offset;
779 gmtime_r(&ti, tm);
780 }
781 }
782
783 int qemu_timedate_diff(struct tm *tm)
784 {
785 time_t seconds;
786
787 if (rtc_date_offset == -1)
788 if (rtc_utc)
789 seconds = mktimegm(tm);
790 else {
791 struct tm tmp = *tm;
792 tmp.tm_isdst = -1; /* use timezone to figure it out */
793 seconds = mktime(&tmp);
794 }
795 else
796 seconds = mktimegm(tm) + rtc_date_offset;
797
798 return seconds - qemu_time();
799 }
800
801 static void configure_rtc_date_offset(const char *startdate, int legacy)
802 {
803 time_t rtc_start_date;
804 struct tm tm;
805
806 if (!strcmp(startdate, "now") && legacy) {
807 rtc_date_offset = -1;
808 } else {
809 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
810 &tm.tm_year,
811 &tm.tm_mon,
812 &tm.tm_mday,
813 &tm.tm_hour,
814 &tm.tm_min,
815 &tm.tm_sec) == 6) {
816 /* OK */
817 } else if (sscanf(startdate, "%d-%d-%d",
818 &tm.tm_year,
819 &tm.tm_mon,
820 &tm.tm_mday) == 3) {
821 tm.tm_hour = 0;
822 tm.tm_min = 0;
823 tm.tm_sec = 0;
824 } else {
825 goto date_fail;
826 }
827 tm.tm_year -= 1900;
828 tm.tm_mon--;
829 rtc_start_date = mktimegm(&tm);
830 if (rtc_start_date == -1) {
831 date_fail:
832 error_report("invalid date format");
833 error_printf("valid formats: "
834 "'2006-06-17T16:01:21' or '2006-06-17'\n");
835 exit(1);
836 }
837 rtc_date_offset = qemu_time() - rtc_start_date;
838 }
839 }
840
841 static void configure_rtc(QemuOpts *opts)
842 {
843 const char *value;
844
845 value = qemu_opt_get(opts, "base");
846 if (value) {
847 if (!strcmp(value, "utc")) {
848 rtc_utc = 1;
849 } else if (!strcmp(value, "localtime")) {
850 rtc_utc = 0;
851 } else {
852 configure_rtc_date_offset(value, 0);
853 }
854 }
855 value = qemu_opt_get(opts, "clock");
856 if (value) {
857 if (!strcmp(value, "host")) {
858 rtc_clock = QEMU_CLOCK_HOST;
859 } else if (!strcmp(value, "rt")) {
860 rtc_clock = QEMU_CLOCK_REALTIME;
861 } else if (!strcmp(value, "vm")) {
862 rtc_clock = QEMU_CLOCK_VIRTUAL;
863 } else {
864 error_report("invalid option value '%s'", value);
865 exit(1);
866 }
867 }
868 value = qemu_opt_get(opts, "driftfix");
869 if (value) {
870 if (!strcmp(value, "slew")) {
871 static GlobalProperty slew_lost_ticks[] = {
872 {
873 .driver = "mc146818rtc",
874 .property = "lost_tick_policy",
875 .value = "slew",
876 },
877 { /* end of list */ }
878 };
879
880 qdev_prop_register_global_list(slew_lost_ticks);
881 } else if (!strcmp(value, "none")) {
882 /* discard is default */
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 }
889
890 /***********************************************************/
891 /* Bluetooth support */
892 static int nb_hcis;
893 static int cur_hci;
894 static struct HCIInfo *hci_table[MAX_NICS];
895
896 struct HCIInfo *qemu_next_hci(void)
897 {
898 if (cur_hci == nb_hcis)
899 return &null_hci;
900
901 return hci_table[cur_hci++];
902 }
903
904 static int bt_hci_parse(const char *str)
905 {
906 struct HCIInfo *hci;
907 bdaddr_t bdaddr;
908
909 if (nb_hcis >= MAX_NICS) {
910 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
911 return -1;
912 }
913
914 hci = hci_init(str);
915 if (!hci)
916 return -1;
917
918 bdaddr.b[0] = 0x52;
919 bdaddr.b[1] = 0x54;
920 bdaddr.b[2] = 0x00;
921 bdaddr.b[3] = 0x12;
922 bdaddr.b[4] = 0x34;
923 bdaddr.b[5] = 0x56 + nb_hcis;
924 hci->bdaddr_set(hci, bdaddr.b);
925
926 hci_table[nb_hcis++] = hci;
927
928 return 0;
929 }
930
931 static void bt_vhci_add(int vlan_id)
932 {
933 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
934
935 if (!vlan->slave)
936 error_report("warning: adding a VHCI to an empty scatternet %i",
937 vlan_id);
938
939 bt_vhci_init(bt_new_hci(vlan));
940 }
941
942 static struct bt_device_s *bt_device_add(const char *opt)
943 {
944 struct bt_scatternet_s *vlan;
945 int vlan_id = 0;
946 char *endp = strstr(opt, ",vlan=");
947 int len = (endp ? endp - opt : strlen(opt)) + 1;
948 char devname[10];
949
950 pstrcpy(devname, MIN(sizeof(devname), len), opt);
951
952 if (endp) {
953 vlan_id = strtol(endp + 6, &endp, 0);
954 if (*endp) {
955 error_report("unrecognised bluetooth vlan Id");
956 return 0;
957 }
958 }
959
960 vlan = qemu_find_bt_vlan(vlan_id);
961
962 if (!vlan->slave)
963 error_report("warning: adding a slave device to an empty scatternet %i",
964 vlan_id);
965
966 if (!strcmp(devname, "keyboard"))
967 return bt_keyboard_init(vlan);
968
969 error_report("unsupported bluetooth device '%s'", devname);
970 return 0;
971 }
972
973 static int bt_parse(const char *opt)
974 {
975 const char *endp, *p;
976 int vlan;
977
978 if (strstart(opt, "hci", &endp)) {
979 if (!*endp || *endp == ',') {
980 if (*endp)
981 if (!strstart(endp, ",vlan=", 0))
982 opt = endp + 1;
983
984 return bt_hci_parse(opt);
985 }
986 } else if (strstart(opt, "vhci", &endp)) {
987 if (!*endp || *endp == ',') {
988 if (*endp) {
989 if (strstart(endp, ",vlan=", &p)) {
990 vlan = strtol(p, (char **) &endp, 0);
991 if (*endp) {
992 error_report("bad scatternet '%s'", p);
993 return 1;
994 }
995 } else {
996 error_report("bad parameter '%s'", endp + 1);
997 return 1;
998 }
999 } else
1000 vlan = 0;
1001
1002 bt_vhci_add(vlan);
1003 return 0;
1004 }
1005 } else if (strstart(opt, "device:", &endp))
1006 return !bt_device_add(endp);
1007
1008 error_report("bad bluetooth parameter '%s'", opt);
1009 return 1;
1010 }
1011
1012 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1013 {
1014 /* FIXME: change this to true for 1.3 */
1015 if (qemu_opt_get_bool(opts, "enable", false)) {
1016 #ifdef CONFIG_SECCOMP
1017 if (seccomp_start() < 0) {
1018 error_report("failed to install seccomp syscall filter "
1019 "in the kernel");
1020 return -1;
1021 }
1022 #else
1023 error_report("seccomp support is disabled");
1024 return -1;
1025 #endif
1026 }
1027
1028 return 0;
1029 }
1030
1031 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1032 {
1033 const char *proc_name;
1034
1035 if (qemu_opt_get(opts, "debug-threads")) {
1036 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1037 }
1038 qemu_name = qemu_opt_get(opts, "guest");
1039
1040 proc_name = qemu_opt_get(opts, "process");
1041 if (proc_name) {
1042 os_set_proc_name(proc_name);
1043 }
1044
1045 return 0;
1046 }
1047
1048 bool defaults_enabled(void)
1049 {
1050 return has_defaults;
1051 }
1052
1053 bool usb_enabled(void)
1054 {
1055 return machine_usb(current_machine);
1056 }
1057
1058 #ifndef _WIN32
1059 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1060 {
1061 int fd, dupfd, flags;
1062 int64_t fdset_id;
1063 const char *fd_opaque = NULL;
1064 AddfdInfo *fdinfo;
1065
1066 fd = qemu_opt_get_number(opts, "fd", -1);
1067 fdset_id = qemu_opt_get_number(opts, "set", -1);
1068 fd_opaque = qemu_opt_get(opts, "opaque");
1069
1070 if (fd < 0) {
1071 error_report("fd option is required and must be non-negative");
1072 return -1;
1073 }
1074
1075 if (fd <= STDERR_FILENO) {
1076 error_report("fd cannot be a standard I/O stream");
1077 return -1;
1078 }
1079
1080 /*
1081 * All fds inherited across exec() necessarily have FD_CLOEXEC
1082 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1083 */
1084 flags = fcntl(fd, F_GETFD);
1085 if (flags == -1 || (flags & FD_CLOEXEC)) {
1086 error_report("fd is not valid or already in use");
1087 return -1;
1088 }
1089
1090 if (fdset_id < 0) {
1091 error_report("set option is required and must be non-negative");
1092 return -1;
1093 }
1094
1095 #ifdef F_DUPFD_CLOEXEC
1096 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1097 #else
1098 dupfd = dup(fd);
1099 if (dupfd != -1) {
1100 qemu_set_cloexec(dupfd);
1101 }
1102 #endif
1103 if (dupfd == -1) {
1104 error_report("error duplicating fd: %s", strerror(errno));
1105 return -1;
1106 }
1107
1108 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1109 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1110 &error_abort);
1111 g_free(fdinfo);
1112
1113 return 0;
1114 }
1115
1116 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1117 {
1118 int fd;
1119
1120 fd = qemu_opt_get_number(opts, "fd", -1);
1121 close(fd);
1122
1123 return 0;
1124 }
1125 #endif
1126
1127 /***********************************************************/
1128 /* QEMU Block devices */
1129
1130 #define HD_OPTS "media=disk"
1131 #define CDROM_OPTS "media=cdrom"
1132 #define FD_OPTS ""
1133 #define PFLASH_OPTS ""
1134 #define MTD_OPTS ""
1135 #define SD_OPTS ""
1136
1137 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1138 {
1139 BlockInterfaceType *block_default_type = opaque;
1140
1141 return drive_new(opts, *block_default_type) == NULL;
1142 }
1143
1144 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1145 {
1146 if (qemu_opt_get(opts, "snapshot") == NULL) {
1147 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1148 }
1149 return 0;
1150 }
1151
1152 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1153 int index, const char *optstr)
1154 {
1155 QemuOpts *opts;
1156 DriveInfo *dinfo;
1157
1158 if (!enable || drive_get_by_index(type, index)) {
1159 return;
1160 }
1161
1162 opts = drive_add(type, index, NULL, optstr);
1163 if (snapshot) {
1164 drive_enable_snapshot(NULL, opts, NULL);
1165 }
1166
1167 dinfo = drive_new(opts, type);
1168 if (!dinfo) {
1169 exit(1);
1170 }
1171 dinfo->is_default = true;
1172
1173 }
1174
1175 static QemuOptsList qemu_smp_opts = {
1176 .name = "smp-opts",
1177 .implied_opt_name = "cpus",
1178 .merge_lists = true,
1179 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1180 .desc = {
1181 {
1182 .name = "cpus",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "sockets",
1186 .type = QEMU_OPT_NUMBER,
1187 }, {
1188 .name = "cores",
1189 .type = QEMU_OPT_NUMBER,
1190 }, {
1191 .name = "threads",
1192 .type = QEMU_OPT_NUMBER,
1193 }, {
1194 .name = "maxcpus",
1195 .type = QEMU_OPT_NUMBER,
1196 },
1197 { /*End of list */ }
1198 },
1199 };
1200
1201 static void smp_parse(QemuOpts *opts)
1202 {
1203 if (opts) {
1204
1205 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1206 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1207 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1208 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1209
1210 /* compute missing values, prefer sockets over cores over threads */
1211 if (cpus == 0 || sockets == 0) {
1212 sockets = sockets > 0 ? sockets : 1;
1213 cores = cores > 0 ? cores : 1;
1214 threads = threads > 0 ? threads : 1;
1215 if (cpus == 0) {
1216 cpus = cores * threads * sockets;
1217 }
1218 } else if (cores == 0) {
1219 threads = threads > 0 ? threads : 1;
1220 cores = cpus / (sockets * threads);
1221 } else if (threads == 0) {
1222 threads = cpus / (cores * sockets);
1223 } else if (sockets * cores * threads < cpus) {
1224 error_report("cpu topology: "
1225 "sockets (%u) * cores (%u) * threads (%u) < "
1226 "smp_cpus (%u)",
1227 sockets, cores, threads, cpus);
1228 exit(1);
1229 }
1230
1231 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1232 if (sockets * cores * threads > max_cpus) {
1233 error_report("cpu topology: "
1234 "sockets (%u) * cores (%u) * threads (%u) > "
1235 "maxcpus (%u)",
1236 sockets, cores, threads, max_cpus);
1237 exit(1);
1238 }
1239
1240 smp_cpus = cpus;
1241 smp_cores = cores > 0 ? cores : 1;
1242 smp_threads = threads > 0 ? threads : 1;
1243
1244 }
1245
1246 if (max_cpus == 0) {
1247 max_cpus = smp_cpus;
1248 }
1249
1250 if (max_cpus > MAX_CPUMASK_BITS) {
1251 error_report("unsupported number of maxcpus");
1252 exit(1);
1253 }
1254 if (max_cpus < smp_cpus) {
1255 error_report("maxcpus must be equal to or greater than smp");
1256 exit(1);
1257 }
1258
1259 }
1260
1261 static void realtime_init(void)
1262 {
1263 if (enable_mlock) {
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1266 exit(1);
1267 }
1268 }
1269 }
1270
1271
1272 static void configure_msg(QemuOpts *opts)
1273 {
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 }
1276
1277 /***********************************************************/
1278 /* Semihosting */
1279
1280 typedef struct SemihostingConfig {
1281 bool enabled;
1282 SemihostingTarget target;
1283 const char **argv;
1284 int argc;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1287
1288 static SemihostingConfig semihosting;
1289
1290 bool semihosting_enabled(void)
1291 {
1292 return semihosting.enabled;
1293 }
1294
1295 SemihostingTarget semihosting_get_target(void)
1296 {
1297 return semihosting.target;
1298 }
1299
1300 const char *semihosting_get_arg(int i)
1301 {
1302 if (i >= semihosting.argc) {
1303 return NULL;
1304 }
1305 return semihosting.argv[i];
1306 }
1307
1308 int semihosting_get_argc(void)
1309 {
1310 return semihosting.argc;
1311 }
1312
1313 const char *semihosting_get_cmdline(void)
1314 {
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1317 }
1318 return semihosting.cmdline;
1319 }
1320
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1323 Error **errp)
1324 {
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1327 s->argc++;
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1332 }
1333 return 0;
1334 }
1335
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1338 {
1339 char *cmd_token;
1340
1341 /* argv[0] */
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1343
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1346 while (cmd_token) {
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1349 }
1350 }
1351
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1355 {
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 }
1358
1359 /***********************************************************/
1360 /* USB devices */
1361
1362 static int usb_device_add(const char *devname)
1363 {
1364 USBDevice *dev = NULL;
1365 #ifndef CONFIG_LINUX
1366 const char *p;
1367 #endif
1368
1369 if (!usb_enabled()) {
1370 return -1;
1371 }
1372
1373 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1374 dev = usbdevice_create(devname);
1375 if (dev)
1376 goto done;
1377
1378 /* the other ones */
1379 #ifndef CONFIG_LINUX
1380 /* only the linux version is qdev-ified, usb-bsd still needs this */
1381 if (strstart(devname, "host:", &p)) {
1382 dev = usb_host_device_open(usb_bus_find(-1), p);
1383 }
1384 #endif
1385 if (!dev)
1386 return -1;
1387
1388 done:
1389 return 0;
1390 }
1391
1392 static int usb_device_del(const char *devname)
1393 {
1394 int bus_num, addr;
1395 const char *p;
1396
1397 if (strstart(devname, "host:", &p)) {
1398 return -1;
1399 }
1400
1401 if (!usb_enabled()) {
1402 return -1;
1403 }
1404
1405 p = strchr(devname, '.');
1406 if (!p)
1407 return -1;
1408 bus_num = strtoul(devname, NULL, 0);
1409 addr = strtoul(p + 1, NULL, 0);
1410
1411 return usb_device_delete_addr(bus_num, addr);
1412 }
1413
1414 static int usb_parse(const char *cmdline)
1415 {
1416 int r;
1417 r = usb_device_add(cmdline);
1418 if (r < 0) {
1419 error_report("could not add USB device '%s'", cmdline);
1420 }
1421 return r;
1422 }
1423
1424 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1425 {
1426 const char *devname = qdict_get_str(qdict, "devname");
1427 if (usb_device_add(devname) < 0) {
1428 error_report("could not add USB device '%s'", devname);
1429 }
1430 }
1431
1432 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1433 {
1434 const char *devname = qdict_get_str(qdict, "devname");
1435 if (usb_device_del(devname) < 0) {
1436 error_report("could not delete USB device '%s'", devname);
1437 }
1438 }
1439
1440 /***********************************************************/
1441 /* machine registration */
1442
1443 MachineState *current_machine;
1444
1445 static MachineClass *find_machine(const char *name)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (!strcmp(temp->name, name)) {
1454 mc = temp;
1455 break;
1456 }
1457 if (temp->alias &&
1458 !strcmp(temp->alias, name)) {
1459 mc = temp;
1460 break;
1461 }
1462 }
1463
1464 g_slist_free(machines);
1465 return mc;
1466 }
1467
1468 MachineClass *find_default_machine(void)
1469 {
1470 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1471 MachineClass *mc = NULL;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *temp = el->data;
1475
1476 if (temp->is_default) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineInfoList *qmp_query_machines(Error **errp)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineInfoList *mach_list = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *mc = el->data;
1493 MachineInfoList *entry;
1494 MachineInfo *info;
1495
1496 info = g_malloc0(sizeof(*info));
1497 if (mc->is_default) {
1498 info->has_is_default = true;
1499 info->is_default = true;
1500 }
1501
1502 if (mc->alias) {
1503 info->has_alias = true;
1504 info->alias = g_strdup(mc->alias);
1505 }
1506
1507 info->name = g_strdup(mc->name);
1508 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1509
1510 entry = g_malloc0(sizeof(*entry));
1511 entry->value = info;
1512 entry->next = mach_list;
1513 mach_list = entry;
1514 }
1515
1516 g_slist_free(machines);
1517 return mach_list;
1518 }
1519
1520 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1521 {
1522 ObjectProperty *prop;
1523
1524 if (!qemu_opt_has_help_opt(opts)) {
1525 return 0;
1526 }
1527
1528 QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
1529 if (!prop->set) {
1530 continue;
1531 }
1532
1533 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1534 prop->name, prop->type);
1535 if (prop->description) {
1536 error_printf(" (%s)\n", prop->description);
1537 } else {
1538 error_printf("\n");
1539 }
1540 }
1541
1542 return 1;
1543 }
1544
1545 /***********************************************************/
1546 /* main execution loop */
1547
1548 struct vm_change_state_entry {
1549 VMChangeStateHandler *cb;
1550 void *opaque;
1551 QLIST_ENTRY (vm_change_state_entry) entries;
1552 };
1553
1554 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1555
1556 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1557 void *opaque)
1558 {
1559 VMChangeStateEntry *e;
1560
1561 e = g_malloc0(sizeof (*e));
1562
1563 e->cb = cb;
1564 e->opaque = opaque;
1565 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1566 return e;
1567 }
1568
1569 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1570 {
1571 QLIST_REMOVE (e, entries);
1572 g_free (e);
1573 }
1574
1575 void vm_state_notify(int running, RunState state)
1576 {
1577 VMChangeStateEntry *e, *next;
1578
1579 trace_vm_state_notify(running, state);
1580
1581 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1582 e->cb(e->opaque, running, state);
1583 }
1584 }
1585
1586 /* reset/shutdown handler */
1587
1588 typedef struct QEMUResetEntry {
1589 QTAILQ_ENTRY(QEMUResetEntry) entry;
1590 QEMUResetHandler *func;
1591 void *opaque;
1592 } QEMUResetEntry;
1593
1594 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1595 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1596 static int reset_requested;
1597 static int shutdown_requested, shutdown_signal = -1;
1598 static pid_t shutdown_pid;
1599 static int powerdown_requested;
1600 static int debug_requested;
1601 static int suspend_requested;
1602 static WakeupReason wakeup_reason;
1603 static NotifierList powerdown_notifiers =
1604 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1605 static NotifierList suspend_notifiers =
1606 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1607 static NotifierList wakeup_notifiers =
1608 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1609 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1610
1611 int qemu_shutdown_requested_get(void)
1612 {
1613 return shutdown_requested;
1614 }
1615
1616 int qemu_reset_requested_get(void)
1617 {
1618 return reset_requested;
1619 }
1620
1621 static int qemu_shutdown_requested(void)
1622 {
1623 return atomic_xchg(&shutdown_requested, 0);
1624 }
1625
1626 static void qemu_kill_report(void)
1627 {
1628 if (!qtest_driver() && shutdown_signal != -1) {
1629 if (shutdown_pid == 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1632 */
1633 error_report("terminating on signal %d", shutdown_signal);
1634 } else {
1635 error_report("terminating on signal %d from pid " FMT_pid,
1636 shutdown_signal, shutdown_pid);
1637 }
1638 shutdown_signal = -1;
1639 }
1640 }
1641
1642 static int qemu_reset_requested(void)
1643 {
1644 int r = reset_requested;
1645 reset_requested = 0;
1646 return r;
1647 }
1648
1649 static int qemu_suspend_requested(void)
1650 {
1651 int r = suspend_requested;
1652 suspend_requested = 0;
1653 return r;
1654 }
1655
1656 static WakeupReason qemu_wakeup_requested(void)
1657 {
1658 return wakeup_reason;
1659 }
1660
1661 static int qemu_powerdown_requested(void)
1662 {
1663 int r = powerdown_requested;
1664 powerdown_requested = 0;
1665 return r;
1666 }
1667
1668 static int qemu_debug_requested(void)
1669 {
1670 int r = debug_requested;
1671 debug_requested = 0;
1672 return r;
1673 }
1674
1675 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1676 {
1677 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1678
1679 re->func = func;
1680 re->opaque = opaque;
1681 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1682 }
1683
1684 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1685 {
1686 QEMUResetEntry *re;
1687
1688 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1689 if (re->func == func && re->opaque == opaque) {
1690 QTAILQ_REMOVE(&reset_handlers, re, entry);
1691 g_free(re);
1692 return;
1693 }
1694 }
1695 }
1696
1697 void qemu_devices_reset(void)
1698 {
1699 QEMUResetEntry *re, *nre;
1700
1701 /* reset all devices */
1702 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1703 re->func(re->opaque);
1704 }
1705 }
1706
1707 void qemu_system_reset(bool report)
1708 {
1709 MachineClass *mc;
1710
1711 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1712
1713 if (mc && mc->reset) {
1714 mc->reset();
1715 } else {
1716 qemu_devices_reset();
1717 }
1718 if (report) {
1719 qapi_event_send_reset(&error_abort);
1720 }
1721 cpu_synchronize_all_post_reset();
1722 }
1723
1724 void qemu_system_guest_panicked(void)
1725 {
1726 if (current_cpu) {
1727 current_cpu->crash_occurred = true;
1728 }
1729 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1730 vm_stop(RUN_STATE_GUEST_PANICKED);
1731 }
1732
1733 void qemu_system_reset_request(void)
1734 {
1735 if (no_reboot) {
1736 shutdown_requested = 1;
1737 } else {
1738 reset_requested = 1;
1739 }
1740 cpu_stop_current();
1741 qemu_notify_event();
1742 }
1743
1744 static void qemu_system_suspend(void)
1745 {
1746 pause_all_vcpus();
1747 notifier_list_notify(&suspend_notifiers, NULL);
1748 runstate_set(RUN_STATE_SUSPENDED);
1749 qapi_event_send_suspend(&error_abort);
1750 }
1751
1752 void qemu_system_suspend_request(void)
1753 {
1754 if (runstate_check(RUN_STATE_SUSPENDED)) {
1755 return;
1756 }
1757 suspend_requested = 1;
1758 cpu_stop_current();
1759 qemu_notify_event();
1760 }
1761
1762 void qemu_register_suspend_notifier(Notifier *notifier)
1763 {
1764 notifier_list_add(&suspend_notifiers, notifier);
1765 }
1766
1767 void qemu_system_wakeup_request(WakeupReason reason)
1768 {
1769 trace_system_wakeup_request(reason);
1770
1771 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1772 return;
1773 }
1774 if (!(wakeup_reason_mask & (1 << reason))) {
1775 return;
1776 }
1777 runstate_set(RUN_STATE_RUNNING);
1778 wakeup_reason = reason;
1779 qemu_notify_event();
1780 }
1781
1782 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1783 {
1784 if (enabled) {
1785 wakeup_reason_mask |= (1 << reason);
1786 } else {
1787 wakeup_reason_mask &= ~(1 << reason);
1788 }
1789 }
1790
1791 void qemu_register_wakeup_notifier(Notifier *notifier)
1792 {
1793 notifier_list_add(&wakeup_notifiers, notifier);
1794 }
1795
1796 void qemu_system_killed(int signal, pid_t pid)
1797 {
1798 shutdown_signal = signal;
1799 shutdown_pid = pid;
1800 no_shutdown = 0;
1801 qemu_system_shutdown_request();
1802 }
1803
1804 void qemu_system_shutdown_request(void)
1805 {
1806 trace_qemu_system_shutdown_request();
1807 replay_shutdown_request();
1808 shutdown_requested = 1;
1809 qemu_notify_event();
1810 }
1811
1812 static void qemu_system_powerdown(void)
1813 {
1814 qapi_event_send_powerdown(&error_abort);
1815 notifier_list_notify(&powerdown_notifiers, NULL);
1816 }
1817
1818 void qemu_system_powerdown_request(void)
1819 {
1820 trace_qemu_system_powerdown_request();
1821 powerdown_requested = 1;
1822 qemu_notify_event();
1823 }
1824
1825 void qemu_register_powerdown_notifier(Notifier *notifier)
1826 {
1827 notifier_list_add(&powerdown_notifiers, notifier);
1828 }
1829
1830 void qemu_system_debug_request(void)
1831 {
1832 debug_requested = 1;
1833 qemu_notify_event();
1834 }
1835
1836 static bool main_loop_should_exit(void)
1837 {
1838 RunState r;
1839 if (qemu_debug_requested()) {
1840 vm_stop(RUN_STATE_DEBUG);
1841 }
1842 if (qemu_suspend_requested()) {
1843 qemu_system_suspend();
1844 }
1845 if (qemu_shutdown_requested()) {
1846 qemu_kill_report();
1847 qapi_event_send_shutdown(&error_abort);
1848 if (no_shutdown) {
1849 vm_stop(RUN_STATE_SHUTDOWN);
1850 } else {
1851 return true;
1852 }
1853 }
1854 if (qemu_reset_requested()) {
1855 pause_all_vcpus();
1856 cpu_synchronize_all_states();
1857 qemu_system_reset(VMRESET_REPORT);
1858 resume_all_vcpus();
1859 if (runstate_needs_reset()) {
1860 runstate_set(RUN_STATE_PAUSED);
1861 }
1862 }
1863 if (qemu_wakeup_requested()) {
1864 pause_all_vcpus();
1865 cpu_synchronize_all_states();
1866 qemu_system_reset(VMRESET_SILENT);
1867 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1868 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1869 resume_all_vcpus();
1870 qapi_event_send_wakeup(&error_abort);
1871 }
1872 if (qemu_powerdown_requested()) {
1873 qemu_system_powerdown();
1874 }
1875 if (qemu_vmstop_requested(&r)) {
1876 vm_stop(r);
1877 }
1878 return false;
1879 }
1880
1881 static void main_loop(void)
1882 {
1883 bool nonblocking;
1884 int last_io = 0;
1885 #ifdef CONFIG_PROFILER
1886 int64_t ti;
1887 #endif
1888 do {
1889 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1890 #ifdef CONFIG_PROFILER
1891 ti = profile_getclock();
1892 #endif
1893 last_io = main_loop_wait(nonblocking);
1894 #ifdef CONFIG_PROFILER
1895 dev_time += profile_getclock() - ti;
1896 #endif
1897 } while (!main_loop_should_exit());
1898 }
1899
1900 static void version(void)
1901 {
1902 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1903 }
1904
1905 static void help(int exitcode)
1906 {
1907 version();
1908 printf("usage: %s [options] [disk_image]\n\n"
1909 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1910 error_get_progname());
1911
1912 #define QEMU_OPTIONS_GENERATE_HELP
1913 #include "qemu-options-wrapper.h"
1914
1915 printf("\nDuring emulation, the following keys are useful:\n"
1916 "ctrl-alt-f toggle full screen\n"
1917 "ctrl-alt-n switch to virtual console 'n'\n"
1918 "ctrl-alt toggle mouse and keyboard grab\n"
1919 "\n"
1920 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1921
1922 exit(exitcode);
1923 }
1924
1925 #define HAS_ARG 0x0001
1926
1927 typedef struct QEMUOption {
1928 const char *name;
1929 int flags;
1930 int index;
1931 uint32_t arch_mask;
1932 } QEMUOption;
1933
1934 static const QEMUOption qemu_options[] = {
1935 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1936 #define QEMU_OPTIONS_GENERATE_OPTIONS
1937 #include "qemu-options-wrapper.h"
1938 { NULL },
1939 };
1940
1941 static bool vga_available(void)
1942 {
1943 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1944 }
1945
1946 static bool cirrus_vga_available(void)
1947 {
1948 return object_class_by_name("cirrus-vga")
1949 || object_class_by_name("isa-cirrus-vga");
1950 }
1951
1952 static bool vmware_vga_available(void)
1953 {
1954 return object_class_by_name("vmware-svga");
1955 }
1956
1957 static bool qxl_vga_available(void)
1958 {
1959 return object_class_by_name("qxl-vga");
1960 }
1961
1962 static bool tcx_vga_available(void)
1963 {
1964 return object_class_by_name("SUNW,tcx");
1965 }
1966
1967 static bool cg3_vga_available(void)
1968 {
1969 return object_class_by_name("cgthree");
1970 }
1971
1972 static bool virtio_vga_available(void)
1973 {
1974 return object_class_by_name("virtio-vga");
1975 }
1976
1977 static void select_vgahw (const char *p)
1978 {
1979 const char *opts;
1980
1981 assert(vga_interface_type == VGA_NONE);
1982 if (strstart(p, "std", &opts)) {
1983 if (vga_available()) {
1984 vga_interface_type = VGA_STD;
1985 } else {
1986 error_report("standard VGA not available");
1987 exit(0);
1988 }
1989 } else if (strstart(p, "cirrus", &opts)) {
1990 if (cirrus_vga_available()) {
1991 vga_interface_type = VGA_CIRRUS;
1992 } else {
1993 error_report("Cirrus VGA not available");
1994 exit(0);
1995 }
1996 } else if (strstart(p, "vmware", &opts)) {
1997 if (vmware_vga_available()) {
1998 vga_interface_type = VGA_VMWARE;
1999 } else {
2000 error_report("VMWare SVGA not available");
2001 exit(0);
2002 }
2003 } else if (strstart(p, "virtio", &opts)) {
2004 if (virtio_vga_available()) {
2005 vga_interface_type = VGA_VIRTIO;
2006 } else {
2007 error_report("Virtio VGA not available");
2008 exit(0);
2009 }
2010 } else if (strstart(p, "xenfb", &opts)) {
2011 vga_interface_type = VGA_XENFB;
2012 } else if (strstart(p, "qxl", &opts)) {
2013 if (qxl_vga_available()) {
2014 vga_interface_type = VGA_QXL;
2015 } else {
2016 error_report("QXL VGA not available");
2017 exit(0);
2018 }
2019 } else if (strstart(p, "tcx", &opts)) {
2020 if (tcx_vga_available()) {
2021 vga_interface_type = VGA_TCX;
2022 } else {
2023 error_report("TCX framebuffer not available");
2024 exit(0);
2025 }
2026 } else if (strstart(p, "cg3", &opts)) {
2027 if (cg3_vga_available()) {
2028 vga_interface_type = VGA_CG3;
2029 } else {
2030 error_report("CG3 framebuffer not available");
2031 exit(0);
2032 }
2033 } else if (!strstart(p, "none", &opts)) {
2034 invalid_vga:
2035 error_report("unknown vga type: %s", p);
2036 exit(1);
2037 }
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",retrace=", &nextopt)) {
2042 opts = nextopt;
2043 if (strstart(opts, "dumb", &nextopt))
2044 vga_retrace_method = VGA_RETRACE_DUMB;
2045 else if (strstart(opts, "precise", &nextopt))
2046 vga_retrace_method = VGA_RETRACE_PRECISE;
2047 else goto invalid_vga;
2048 } else goto invalid_vga;
2049 opts = nextopt;
2050 }
2051 }
2052
2053 static DisplayType select_display(const char *p)
2054 {
2055 const char *opts;
2056 DisplayType display = DT_DEFAULT;
2057
2058 if (strstart(p, "sdl", &opts)) {
2059 #ifdef CONFIG_SDL
2060 display = DT_SDL;
2061 while (*opts) {
2062 const char *nextopt;
2063
2064 if (strstart(opts, ",frame=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "on", &nextopt)) {
2067 no_frame = 0;
2068 } else if (strstart(opts, "off", &nextopt)) {
2069 no_frame = 1;
2070 } else {
2071 goto invalid_sdl_args;
2072 }
2073 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2074 opts = nextopt;
2075 if (strstart(opts, "on", &nextopt)) {
2076 alt_grab = 1;
2077 } else if (strstart(opts, "off", &nextopt)) {
2078 alt_grab = 0;
2079 } else {
2080 goto invalid_sdl_args;
2081 }
2082 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "on", &nextopt)) {
2085 ctrl_grab = 1;
2086 } else if (strstart(opts, "off", &nextopt)) {
2087 ctrl_grab = 0;
2088 } else {
2089 goto invalid_sdl_args;
2090 }
2091 } else if (strstart(opts, ",window_close=", &nextopt)) {
2092 opts = nextopt;
2093 if (strstart(opts, "on", &nextopt)) {
2094 no_quit = 0;
2095 } else if (strstart(opts, "off", &nextopt)) {
2096 no_quit = 1;
2097 } else {
2098 goto invalid_sdl_args;
2099 }
2100 } else if (strstart(opts, ",gl=", &nextopt)) {
2101 opts = nextopt;
2102 if (strstart(opts, "on", &nextopt)) {
2103 request_opengl = 1;
2104 } else if (strstart(opts, "off", &nextopt)) {
2105 request_opengl = 0;
2106 } else {
2107 goto invalid_sdl_args;
2108 }
2109 } else {
2110 invalid_sdl_args:
2111 error_report("invalid SDL option string");
2112 exit(1);
2113 }
2114 opts = nextopt;
2115 }
2116 #else
2117 error_report("SDL support is disabled");
2118 exit(1);
2119 #endif
2120 } else if (strstart(p, "vnc", &opts)) {
2121 #ifdef CONFIG_VNC
2122 if (*opts == '=') {
2123 Error *err = NULL;
2124 if (vnc_parse(opts + 1, &err) == NULL) {
2125 error_report_err(err);
2126 exit(1);
2127 }
2128 } else {
2129 error_report("VNC requires a display argument vnc=<display>");
2130 exit(1);
2131 }
2132 #else
2133 error_report("VNC support is disabled");
2134 exit(1);
2135 #endif
2136 } else if (strstart(p, "curses", &opts)) {
2137 #ifdef CONFIG_CURSES
2138 display = DT_CURSES;
2139 #else
2140 error_report("curses support is disabled");
2141 exit(1);
2142 #endif
2143 } else if (strstart(p, "gtk", &opts)) {
2144 #ifdef CONFIG_GTK
2145 display = DT_GTK;
2146 while (*opts) {
2147 const char *nextopt;
2148
2149 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2150 opts = nextopt;
2151 if (strstart(opts, "on", &nextopt)) {
2152 grab_on_hover = true;
2153 } else if (strstart(opts, "off", &nextopt)) {
2154 grab_on_hover = false;
2155 } else {
2156 goto invalid_gtk_args;
2157 }
2158 } else if (strstart(opts, ",gl=", &nextopt)) {
2159 opts = nextopt;
2160 if (strstart(opts, "on", &nextopt)) {
2161 request_opengl = 1;
2162 } else if (strstart(opts, "off", &nextopt)) {
2163 request_opengl = 0;
2164 } else {
2165 goto invalid_gtk_args;
2166 }
2167 } else {
2168 invalid_gtk_args:
2169 error_report("invalid GTK option string");
2170 exit(1);
2171 }
2172 opts = nextopt;
2173 }
2174 #else
2175 error_report("GTK support is disabled");
2176 exit(1);
2177 #endif
2178 } else if (strstart(p, "none", &opts)) {
2179 display = DT_NONE;
2180 } else {
2181 error_report("unknown display type");
2182 exit(1);
2183 }
2184
2185 return display;
2186 }
2187
2188 static int balloon_parse(const char *arg)
2189 {
2190 QemuOpts *opts;
2191
2192 if (strcmp(arg, "none") == 0) {
2193 return 0;
2194 }
2195
2196 if (!strncmp(arg, "virtio", 6)) {
2197 if (arg[6] == ',') {
2198 /* have params -> parse them */
2199 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2200 false);
2201 if (!opts)
2202 return -1;
2203 } else {
2204 /* create empty opts */
2205 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2206 &error_abort);
2207 }
2208 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2209 return 0;
2210 }
2211
2212 return -1;
2213 }
2214
2215 char *qemu_find_file(int type, const char *name)
2216 {
2217 int i;
2218 const char *subdir;
2219 char *buf;
2220
2221 /* Try the name as a straight path first */
2222 if (access(name, R_OK) == 0) {
2223 trace_load_file(name, name);
2224 return g_strdup(name);
2225 }
2226
2227 switch (type) {
2228 case QEMU_FILE_TYPE_BIOS:
2229 subdir = "";
2230 break;
2231 case QEMU_FILE_TYPE_KEYMAP:
2232 subdir = "keymaps/";
2233 break;
2234 default:
2235 abort();
2236 }
2237
2238 for (i = 0; i < data_dir_idx; i++) {
2239 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2240 if (access(buf, R_OK) == 0) {
2241 trace_load_file(name, buf);
2242 return buf;
2243 }
2244 g_free(buf);
2245 }
2246 return NULL;
2247 }
2248
2249 static inline bool nonempty_str(const char *str)
2250 {
2251 return str && *str;
2252 }
2253
2254 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2255 {
2256 gchar *buf;
2257 size_t size;
2258 const char *name, *file, *str;
2259
2260 if (opaque == NULL) {
2261 error_report("fw_cfg device not available");
2262 return -1;
2263 }
2264 name = qemu_opt_get(opts, "name");
2265 file = qemu_opt_get(opts, "file");
2266 str = qemu_opt_get(opts, "string");
2267
2268 /* we need name and either a file or the content string */
2269 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2270 error_report("invalid argument(s)");
2271 return -1;
2272 }
2273 if (nonempty_str(file) && nonempty_str(str)) {
2274 error_report("file and string are mutually exclusive");
2275 return -1;
2276 }
2277 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2278 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2279 return -1;
2280 }
2281 if (strncmp(name, "opt/", 4) != 0) {
2282 error_report("warning: externally provided fw_cfg item names "
2283 "should be prefixed with \"opt/\"");
2284 }
2285 if (nonempty_str(str)) {
2286 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2287 buf = g_memdup(str, size);
2288 } else {
2289 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2290 error_report("can't load %s", file);
2291 return -1;
2292 }
2293 }
2294 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2295 return 0;
2296 }
2297
2298 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2299 {
2300 return qdev_device_help(opts);
2301 }
2302
2303 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 Error *err = NULL;
2306 DeviceState *dev;
2307
2308 dev = qdev_device_add(opts, &err);
2309 if (!dev) {
2310 error_report_err(err);
2311 return -1;
2312 }
2313 object_unref(OBJECT(dev));
2314 return 0;
2315 }
2316
2317 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 Error *local_err = NULL;
2320
2321 qemu_chr_new_from_opts(opts, NULL, &local_err);
2322 if (local_err) {
2323 error_report_err(local_err);
2324 return -1;
2325 }
2326 return 0;
2327 }
2328
2329 #ifdef CONFIG_VIRTFS
2330 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 int ret;
2333 ret = qemu_fsdev_add(opts);
2334
2335 return ret;
2336 }
2337 #endif
2338
2339 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2340 {
2341 CharDriverState *chr;
2342 const char *chardev;
2343 const char *mode;
2344 int flags;
2345
2346 mode = qemu_opt_get(opts, "mode");
2347 if (mode == NULL) {
2348 mode = "readline";
2349 }
2350 if (strcmp(mode, "readline") == 0) {
2351 flags = MONITOR_USE_READLINE;
2352 } else if (strcmp(mode, "control") == 0) {
2353 flags = MONITOR_USE_CONTROL;
2354 } else {
2355 error_report("unknown monitor mode \"%s\"", mode);
2356 exit(1);
2357 }
2358
2359 if (qemu_opt_get_bool(opts, "pretty", 0))
2360 flags |= MONITOR_USE_PRETTY;
2361
2362 if (qemu_opt_get_bool(opts, "default", 0))
2363 flags |= MONITOR_IS_DEFAULT;
2364
2365 chardev = qemu_opt_get(opts, "chardev");
2366 chr = qemu_chr_find(chardev);
2367 if (chr == NULL) {
2368 error_report("chardev \"%s\" not found", chardev);
2369 exit(1);
2370 }
2371
2372 qemu_chr_fe_claim_no_fail(chr);
2373 monitor_init(chr, flags);
2374 return 0;
2375 }
2376
2377 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2378 {
2379 static int monitor_device_index = 0;
2380 Error *local_err = NULL;
2381 QemuOpts *opts;
2382 const char *p;
2383 char label[32];
2384 int def = 0;
2385
2386 if (strstart(optarg, "chardev:", &p)) {
2387 snprintf(label, sizeof(label), "%s", p);
2388 } else {
2389 snprintf(label, sizeof(label), "compat_monitor%d",
2390 monitor_device_index);
2391 if (monitor_device_index == 0) {
2392 def = 1;
2393 }
2394 opts = qemu_chr_parse_compat(label, optarg);
2395 if (!opts) {
2396 error_report("parse error: %s", optarg);
2397 exit(1);
2398 }
2399 }
2400
2401 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2402 if (!opts) {
2403 error_report_err(local_err);
2404 exit(1);
2405 }
2406 qemu_opt_set(opts, "mode", mode, &error_abort);
2407 qemu_opt_set(opts, "chardev", label, &error_abort);
2408 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2409 if (def)
2410 qemu_opt_set(opts, "default", "on", &error_abort);
2411 monitor_device_index++;
2412 }
2413
2414 struct device_config {
2415 enum {
2416 DEV_USB, /* -usbdevice */
2417 DEV_BT, /* -bt */
2418 DEV_SERIAL, /* -serial */
2419 DEV_PARALLEL, /* -parallel */
2420 DEV_VIRTCON, /* -virtioconsole */
2421 DEV_DEBUGCON, /* -debugcon */
2422 DEV_GDB, /* -gdb, -s */
2423 DEV_SCLP, /* s390 sclp */
2424 } type;
2425 const char *cmdline;
2426 Location loc;
2427 QTAILQ_ENTRY(device_config) next;
2428 };
2429
2430 static QTAILQ_HEAD(, device_config) device_configs =
2431 QTAILQ_HEAD_INITIALIZER(device_configs);
2432
2433 static void add_device_config(int type, const char *cmdline)
2434 {
2435 struct device_config *conf;
2436
2437 conf = g_malloc0(sizeof(*conf));
2438 conf->type = type;
2439 conf->cmdline = cmdline;
2440 loc_save(&conf->loc);
2441 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2442 }
2443
2444 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2445 {
2446 struct device_config *conf;
2447 int rc;
2448
2449 QTAILQ_FOREACH(conf, &device_configs, next) {
2450 if (conf->type != type)
2451 continue;
2452 loc_push_restore(&conf->loc);
2453 rc = func(conf->cmdline);
2454 loc_pop(&conf->loc);
2455 if (rc) {
2456 return rc;
2457 }
2458 }
2459 return 0;
2460 }
2461
2462 static int serial_parse(const char *devname)
2463 {
2464 static int index = 0;
2465 char label[32];
2466
2467 if (strcmp(devname, "none") == 0)
2468 return 0;
2469 if (index == MAX_SERIAL_PORTS) {
2470 error_report("too many serial ports");
2471 exit(1);
2472 }
2473 snprintf(label, sizeof(label), "serial%d", index);
2474 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2475 if (!serial_hds[index]) {
2476 error_report("could not connect serial device"
2477 " to character backend '%s'", devname);
2478 return -1;
2479 }
2480 index++;
2481 return 0;
2482 }
2483
2484 static int parallel_parse(const char *devname)
2485 {
2486 static int index = 0;
2487 char label[32];
2488
2489 if (strcmp(devname, "none") == 0)
2490 return 0;
2491 if (index == MAX_PARALLEL_PORTS) {
2492 error_report("too many parallel ports");
2493 exit(1);
2494 }
2495 snprintf(label, sizeof(label), "parallel%d", index);
2496 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2497 if (!parallel_hds[index]) {
2498 error_report("could not connect parallel device"
2499 " to character backend '%s'", devname);
2500 return -1;
2501 }
2502 index++;
2503 return 0;
2504 }
2505
2506 static int virtcon_parse(const char *devname)
2507 {
2508 QemuOptsList *device = qemu_find_opts("device");
2509 static int index = 0;
2510 char label[32];
2511 QemuOpts *bus_opts, *dev_opts;
2512
2513 if (strcmp(devname, "none") == 0)
2514 return 0;
2515 if (index == MAX_VIRTIO_CONSOLES) {
2516 error_report("too many virtio consoles");
2517 exit(1);
2518 }
2519
2520 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2521 if (arch_type == QEMU_ARCH_S390X) {
2522 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390", &error_abort);
2523 } else {
2524 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci", &error_abort);
2525 }
2526
2527 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2528 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2529
2530 snprintf(label, sizeof(label), "virtcon%d", index);
2531 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2532 if (!virtcon_hds[index]) {
2533 error_report("could not connect virtio console"
2534 " to character backend '%s'", devname);
2535 return -1;
2536 }
2537 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2538
2539 index++;
2540 return 0;
2541 }
2542
2543 static int sclp_parse(const char *devname)
2544 {
2545 QemuOptsList *device = qemu_find_opts("device");
2546 static int index = 0;
2547 char label[32];
2548 QemuOpts *dev_opts;
2549
2550 if (strcmp(devname, "none") == 0) {
2551 return 0;
2552 }
2553 if (index == MAX_SCLP_CONSOLES) {
2554 error_report("too many sclp consoles");
2555 exit(1);
2556 }
2557
2558 assert(arch_type == QEMU_ARCH_S390X);
2559
2560 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2561 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2562
2563 snprintf(label, sizeof(label), "sclpcon%d", index);
2564 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2565 if (!sclp_hds[index]) {
2566 error_report("could not connect sclp console"
2567 " to character backend '%s'", devname);
2568 return -1;
2569 }
2570 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2571
2572 index++;
2573 return 0;
2574 }
2575
2576 static int debugcon_parse(const char *devname)
2577 {
2578 QemuOpts *opts;
2579
2580 if (!qemu_chr_new("debugcon", devname, NULL)) {
2581 exit(1);
2582 }
2583 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2584 if (!opts) {
2585 error_report("already have a debugcon device");
2586 exit(1);
2587 }
2588 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2589 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2590 return 0;
2591 }
2592
2593 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2594 {
2595 const MachineClass *mc1 = a, *mc2 = b;
2596 int res;
2597
2598 if (mc1->family == NULL) {
2599 if (mc2->family == NULL) {
2600 /* Compare standalone machine types against each other; they sort
2601 * in increasing order.
2602 */
2603 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2604 object_class_get_name(OBJECT_CLASS(mc2)));
2605 }
2606
2607 /* Standalone machine types sort after families. */
2608 return 1;
2609 }
2610
2611 if (mc2->family == NULL) {
2612 /* Families sort before standalone machine types. */
2613 return -1;
2614 }
2615
2616 /* Families sort between each other alphabetically increasingly. */
2617 res = strcmp(mc1->family, mc2->family);
2618 if (res != 0) {
2619 return res;
2620 }
2621
2622 /* Within the same family, machine types sort in decreasing order. */
2623 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2624 object_class_get_name(OBJECT_CLASS(mc1)));
2625 }
2626
2627 static MachineClass *machine_parse(const char *name)
2628 {
2629 MachineClass *mc = NULL;
2630 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2631
2632 if (name) {
2633 mc = find_machine(name);
2634 }
2635 if (mc) {
2636 g_slist_free(machines);
2637 return mc;
2638 }
2639 if (name && !is_help_option(name)) {
2640 error_report("unsupported machine type");
2641 error_printf("Use -machine help to list supported machines\n");
2642 } else {
2643 printf("Supported machines are:\n");
2644 machines = g_slist_sort(machines, machine_class_cmp);
2645 for (el = machines; el; el = el->next) {
2646 MachineClass *mc = el->data;
2647 if (mc->alias) {
2648 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2649 }
2650 printf("%-20s %s%s\n", mc->name, mc->desc,
2651 mc->is_default ? " (default)" : "");
2652 }
2653 }
2654
2655 g_slist_free(machines);
2656 exit(!name || !is_help_option(name));
2657 }
2658
2659 void qemu_add_exit_notifier(Notifier *notify)
2660 {
2661 notifier_list_add(&exit_notifiers, notify);
2662 }
2663
2664 void qemu_remove_exit_notifier(Notifier *notify)
2665 {
2666 notifier_remove(notify);
2667 }
2668
2669 static void qemu_run_exit_notifiers(void)
2670 {
2671 notifier_list_notify(&exit_notifiers, NULL);
2672 }
2673
2674 static bool machine_init_done;
2675
2676 void qemu_add_machine_init_done_notifier(Notifier *notify)
2677 {
2678 notifier_list_add(&machine_init_done_notifiers, notify);
2679 if (machine_init_done) {
2680 notify->notify(notify, NULL);
2681 }
2682 }
2683
2684 static void qemu_run_machine_init_done_notifiers(void)
2685 {
2686 notifier_list_notify(&machine_init_done_notifiers, NULL);
2687 machine_init_done = true;
2688 }
2689
2690 static const QEMUOption *lookup_opt(int argc, char **argv,
2691 const char **poptarg, int *poptind)
2692 {
2693 const QEMUOption *popt;
2694 int optind = *poptind;
2695 char *r = argv[optind];
2696 const char *optarg;
2697
2698 loc_set_cmdline(argv, optind, 1);
2699 optind++;
2700 /* Treat --foo the same as -foo. */
2701 if (r[1] == '-')
2702 r++;
2703 popt = qemu_options;
2704 for(;;) {
2705 if (!popt->name) {
2706 error_report("invalid option");
2707 exit(1);
2708 }
2709 if (!strcmp(popt->name, r + 1))
2710 break;
2711 popt++;
2712 }
2713 if (popt->flags & HAS_ARG) {
2714 if (optind >= argc) {
2715 error_report("requires an argument");
2716 exit(1);
2717 }
2718 optarg = argv[optind++];
2719 loc_set_cmdline(argv, optind - 2, 2);
2720 } else {
2721 optarg = NULL;
2722 }
2723
2724 *poptarg = optarg;
2725 *poptind = optind;
2726
2727 return popt;
2728 }
2729
2730 static int machine_set_property(void *opaque,
2731 const char *name, const char *value,
2732 Error **errp)
2733 {
2734 Object *obj = OBJECT(opaque);
2735 Error *local_err = NULL;
2736 char *c, *qom_name;
2737
2738 if (strcmp(name, "type") == 0) {
2739 return 0;
2740 }
2741
2742 qom_name = g_strdup(name);
2743 c = qom_name;
2744 while (*c++) {
2745 if (*c == '_') {
2746 *c = '-';
2747 }
2748 }
2749
2750 object_property_parse(obj, value, qom_name, &local_err);
2751 g_free(qom_name);
2752
2753 if (local_err) {
2754 error_report_err(local_err);
2755 return -1;
2756 }
2757
2758 return 0;
2759 }
2760
2761
2762 /*
2763 * Initial object creation happens before all other
2764 * QEMU data types are created. The majority of objects
2765 * can be created at this point. The rng-egd object
2766 * cannot be created here, as it depends on the chardev
2767 * already existing.
2768 */
2769 static bool object_create_initial(const char *type)
2770 {
2771 if (g_str_equal(type, "rng-egd")) {
2772 return false;
2773 }
2774
2775 /*
2776 * return false for concrete netfilters since
2777 * they depend on netdevs already existing
2778 */
2779 if (g_str_equal(type, "filter-buffer") ||
2780 g_str_equal(type, "filter-dump")) {
2781 return false;
2782 }
2783
2784 return true;
2785 }
2786
2787
2788 /*
2789 * The remainder of object creation happens after the
2790 * creation of chardev, fsdev, net clients and device data types.
2791 */
2792 static bool object_create_delayed(const char *type)
2793 {
2794 return !object_create_initial(type);
2795 }
2796
2797
2798 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2799 {
2800 Error *err = NULL;
2801 char *type = NULL;
2802 char *id = NULL;
2803 void *dummy = NULL;
2804 OptsVisitor *ov;
2805 QDict *pdict;
2806 bool (*type_predicate)(const char *) = opaque;
2807
2808 ov = opts_visitor_new(opts);
2809 pdict = qemu_opts_to_qdict(opts, NULL);
2810
2811 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2812 if (err) {
2813 goto out;
2814 }
2815
2816 qdict_del(pdict, "qom-type");
2817 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2818 if (err) {
2819 goto out;
2820 }
2821 if (!type_predicate(type)) {
2822 goto out;
2823 }
2824
2825 qdict_del(pdict, "id");
2826 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2827 if (err) {
2828 goto out;
2829 }
2830
2831 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2832 if (err) {
2833 goto out;
2834 }
2835 visit_end_struct(opts_get_visitor(ov), &err);
2836 if (err) {
2837 qmp_object_del(id, NULL);
2838 }
2839
2840 out:
2841 opts_visitor_cleanup(ov);
2842
2843 QDECREF(pdict);
2844 g_free(id);
2845 g_free(type);
2846 g_free(dummy);
2847 if (err) {
2848 error_report_err(err);
2849 return -1;
2850 }
2851 return 0;
2852 }
2853
2854 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2855 MachineClass *mc)
2856 {
2857 uint64_t sz;
2858 const char *mem_str;
2859 const char *maxmem_str, *slots_str;
2860 const ram_addr_t default_ram_size = mc->default_ram_size;
2861 QemuOpts *opts = qemu_find_opts_singleton("memory");
2862
2863 sz = 0;
2864 mem_str = qemu_opt_get(opts, "size");
2865 if (mem_str) {
2866 if (!*mem_str) {
2867 error_report("missing 'size' option value");
2868 exit(EXIT_FAILURE);
2869 }
2870
2871 sz = qemu_opt_get_size(opts, "size", ram_size);
2872
2873 /* Fix up legacy suffix-less format */
2874 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2875 uint64_t overflow_check = sz;
2876
2877 sz <<= 20;
2878 if ((sz >> 20) != overflow_check) {
2879 error_report("too large 'size' option value");
2880 exit(EXIT_FAILURE);
2881 }
2882 }
2883 }
2884
2885 /* backward compatibility behaviour for case "-m 0" */
2886 if (sz == 0) {
2887 sz = default_ram_size;
2888 }
2889
2890 sz = QEMU_ALIGN_UP(sz, 8192);
2891 ram_size = sz;
2892 if (ram_size != sz) {
2893 error_report("ram size too large");
2894 exit(EXIT_FAILURE);
2895 }
2896
2897 /* store value for the future use */
2898 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2899 *maxram_size = ram_size;
2900
2901 maxmem_str = qemu_opt_get(opts, "maxmem");
2902 slots_str = qemu_opt_get(opts, "slots");
2903 if (maxmem_str && slots_str) {
2904 uint64_t slots;
2905
2906 sz = qemu_opt_get_size(opts, "maxmem", 0);
2907 slots = qemu_opt_get_number(opts, "slots", 0);
2908 if (sz < ram_size) {
2909 error_report("invalid value of -m option maxmem: "
2910 "maximum memory size (0x%" PRIx64 ") must be at least "
2911 "the initial memory size (0x" RAM_ADDR_FMT ")",
2912 sz, ram_size);
2913 exit(EXIT_FAILURE);
2914 } else if (sz > ram_size) {
2915 if (!slots) {
2916 error_report("invalid value of -m option: maxmem was "
2917 "specified, but no hotplug slots were specified");
2918 exit(EXIT_FAILURE);
2919 }
2920 } else if (slots) {
2921 error_report("invalid value of -m option maxmem: "
2922 "memory slots were specified but maximum memory size "
2923 "(0x%" PRIx64 ") is equal to the initial memory size "
2924 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2925 exit(EXIT_FAILURE);
2926 }
2927
2928 *maxram_size = sz;
2929 *ram_slots = slots;
2930 } else if ((!maxmem_str && slots_str) ||
2931 (maxmem_str && !slots_str)) {
2932 error_report("invalid -m option value: missing "
2933 "'%s' option", slots_str ? "maxmem" : "slots");
2934 exit(EXIT_FAILURE);
2935 }
2936 }
2937
2938 int main(int argc, char **argv, char **envp)
2939 {
2940 int i;
2941 int snapshot, linux_boot;
2942 const char *initrd_filename;
2943 const char *kernel_filename, *kernel_cmdline;
2944 const char *boot_order = NULL;
2945 const char *boot_once = NULL;
2946 DisplayState *ds;
2947 int cyls, heads, secs, translation;
2948 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2949 QemuOptsList *olist;
2950 int optind;
2951 const char *optarg;
2952 const char *loadvm = NULL;
2953 MachineClass *machine_class;
2954 const char *cpu_model;
2955 const char *vga_model = NULL;
2956 const char *qtest_chrdev = NULL;
2957 const char *qtest_log = NULL;
2958 const char *pid_file = NULL;
2959 const char *incoming = NULL;
2960 #ifdef CONFIG_VNC
2961 int show_vnc_port = 0;
2962 #endif
2963 bool defconfig = true;
2964 bool userconfig = true;
2965 const char *log_mask = NULL;
2966 const char *log_file = NULL;
2967 const char *trace_events = NULL;
2968 const char *trace_file = NULL;
2969 ram_addr_t maxram_size;
2970 uint64_t ram_slots = 0;
2971 FILE *vmstate_dump_file = NULL;
2972 Error *main_loop_err = NULL;
2973 Error *err = NULL;
2974
2975 qemu_init_cpu_loop();
2976 qemu_mutex_lock_iothread();
2977
2978 atexit(qemu_run_exit_notifiers);
2979 error_set_progname(argv[0]);
2980 qemu_init_exec_dir(argv[0]);
2981
2982 module_call_init(MODULE_INIT_QOM);
2983
2984 qemu_add_opts(&qemu_drive_opts);
2985 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2986 qemu_add_drive_opts(&qemu_common_drive_opts);
2987 qemu_add_drive_opts(&qemu_drive_opts);
2988 qemu_add_opts(&qemu_chardev_opts);
2989 qemu_add_opts(&qemu_device_opts);
2990 qemu_add_opts(&qemu_netdev_opts);
2991 qemu_add_opts(&qemu_net_opts);
2992 qemu_add_opts(&qemu_rtc_opts);
2993 qemu_add_opts(&qemu_global_opts);
2994 qemu_add_opts(&qemu_mon_opts);
2995 qemu_add_opts(&qemu_trace_opts);
2996 qemu_add_opts(&qemu_option_rom_opts);
2997 qemu_add_opts(&qemu_machine_opts);
2998 qemu_add_opts(&qemu_mem_opts);
2999 qemu_add_opts(&qemu_smp_opts);
3000 qemu_add_opts(&qemu_boot_opts);
3001 qemu_add_opts(&qemu_sandbox_opts);
3002 qemu_add_opts(&qemu_add_fd_opts);
3003 qemu_add_opts(&qemu_object_opts);
3004 qemu_add_opts(&qemu_tpmdev_opts);
3005 qemu_add_opts(&qemu_realtime_opts);
3006 qemu_add_opts(&qemu_msg_opts);
3007 qemu_add_opts(&qemu_name_opts);
3008 qemu_add_opts(&qemu_numa_opts);
3009 qemu_add_opts(&qemu_icount_opts);
3010 qemu_add_opts(&qemu_semihosting_config_opts);
3011 qemu_add_opts(&qemu_fw_cfg_opts);
3012
3013 runstate_init();
3014
3015 if (qcrypto_init(&err) < 0) {
3016 error_report("cannot initialize crypto: %s", error_get_pretty(err));
3017 exit(1);
3018 }
3019 rtc_clock = QEMU_CLOCK_HOST;
3020
3021 QLIST_INIT (&vm_change_state_head);
3022 os_setup_early_signal_handling();
3023
3024 module_call_init(MODULE_INIT_MACHINE);
3025 machine_class = find_default_machine();
3026 cpu_model = NULL;
3027 snapshot = 0;
3028 cyls = heads = secs = 0;
3029 translation = BIOS_ATA_TRANSLATION_AUTO;
3030
3031 nb_nics = 0;
3032
3033 bdrv_init_with_whitelist();
3034
3035 autostart = 1;
3036
3037 /* first pass of option parsing */
3038 optind = 1;
3039 while (optind < argc) {
3040 if (argv[optind][0] != '-') {
3041 /* disk image */
3042 optind++;
3043 } else {
3044 const QEMUOption *popt;
3045
3046 popt = lookup_opt(argc, argv, &optarg, &optind);
3047 switch (popt->index) {
3048 case QEMU_OPTION_nodefconfig:
3049 defconfig = false;
3050 break;
3051 case QEMU_OPTION_nouserconfig:
3052 userconfig = false;
3053 break;
3054 }
3055 }
3056 }
3057
3058 if (defconfig) {
3059 int ret;
3060 ret = qemu_read_default_config_files(userconfig);
3061 if (ret < 0) {
3062 exit(1);
3063 }
3064 }
3065
3066 /* second pass of option parsing */
3067 optind = 1;
3068 for(;;) {
3069 if (optind >= argc)
3070 break;
3071 if (argv[optind][0] != '-') {
3072 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 } else {
3074 const QEMUOption *popt;
3075
3076 popt = lookup_opt(argc, argv, &optarg, &optind);
3077 if (!(popt->arch_mask & arch_type)) {
3078 printf("Option %s not supported for this target\n", popt->name);
3079 exit(1);
3080 }
3081 switch(popt->index) {
3082 case QEMU_OPTION_no_kvm_irqchip: {
3083 olist = qemu_find_opts("machine");
3084 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3085 break;
3086 }
3087 case QEMU_OPTION_cpu:
3088 /* hw initialization will check this */
3089 cpu_model = optarg;
3090 break;
3091 case QEMU_OPTION_hda:
3092 {
3093 char buf[256];
3094 if (cyls == 0)
3095 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3096 else
3097 snprintf(buf, sizeof(buf),
3098 "%s,cyls=%d,heads=%d,secs=%d%s",
3099 HD_OPTS , cyls, heads, secs,
3100 translation == BIOS_ATA_TRANSLATION_LBA ?
3101 ",trans=lba" :
3102 translation == BIOS_ATA_TRANSLATION_NONE ?
3103 ",trans=none" : "");
3104 drive_add(IF_DEFAULT, 0, optarg, buf);
3105 break;
3106 }
3107 case QEMU_OPTION_hdb:
3108 case QEMU_OPTION_hdc:
3109 case QEMU_OPTION_hdd:
3110 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3111 HD_OPTS);
3112 break;
3113 case QEMU_OPTION_drive:
3114 if (drive_def(optarg) == NULL) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_set:
3119 if (qemu_set_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_global:
3123 if (qemu_global_option(optarg) != 0)
3124 exit(1);
3125 break;
3126 case QEMU_OPTION_mtdblock:
3127 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3128 break;
3129 case QEMU_OPTION_sd:
3130 drive_add(IF_SD, -1, optarg, SD_OPTS);
3131 break;
3132 case QEMU_OPTION_pflash:
3133 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3134 break;
3135 case QEMU_OPTION_snapshot:
3136 snapshot = 1;
3137 break;
3138 case QEMU_OPTION_hdachs:
3139 {
3140 const char *p;
3141 p = optarg;
3142 cyls = strtol(p, (char **)&p, 0);
3143 if (cyls < 1 || cyls > 16383)
3144 goto chs_fail;
3145 if (*p != ',')
3146 goto chs_fail;
3147 p++;
3148 heads = strtol(p, (char **)&p, 0);
3149 if (heads < 1 || heads > 16)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 secs = strtol(p, (char **)&p, 0);
3155 if (secs < 1 || secs > 63)
3156 goto chs_fail;
3157 if (*p == ',') {
3158 p++;
3159 if (!strcmp(p, "large")) {
3160 translation = BIOS_ATA_TRANSLATION_LARGE;
3161 } else if (!strcmp(p, "rechs")) {
3162 translation = BIOS_ATA_TRANSLATION_RECHS;
3163 } else if (!strcmp(p, "none")) {
3164 translation = BIOS_ATA_TRANSLATION_NONE;
3165 } else if (!strcmp(p, "lba")) {
3166 translation = BIOS_ATA_TRANSLATION_LBA;
3167 } else if (!strcmp(p, "auto")) {
3168 translation = BIOS_ATA_TRANSLATION_AUTO;
3169 } else {
3170 goto chs_fail;
3171 }
3172 } else if (*p != '\0') {
3173 chs_fail:
3174 error_report("invalid physical CHS format");
3175 exit(1);
3176 }
3177 if (hda_opts != NULL) {
3178 qemu_opt_set_number(hda_opts, "cyls", cyls,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "heads", heads,
3181 &error_abort);
3182 qemu_opt_set_number(hda_opts, "secs", secs,
3183 &error_abort);
3184 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3185 qemu_opt_set(hda_opts, "trans", "large",
3186 &error_abort);
3187 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3188 qemu_opt_set(hda_opts, "trans", "rechs",
3189 &error_abort);
3190 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3191 qemu_opt_set(hda_opts, "trans", "lba",
3192 &error_abort);
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none",
3195 &error_abort);
3196 }
3197 }
3198 }
3199 break;
3200 case QEMU_OPTION_numa:
3201 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3202 optarg, true);
3203 if (!opts) {
3204 exit(1);
3205 }
3206 break;
3207 case QEMU_OPTION_display:
3208 display_type = select_display(optarg);
3209 break;
3210 case QEMU_OPTION_nographic:
3211 display_type = DT_NOGRAPHIC;
3212 break;
3213 case QEMU_OPTION_curses:
3214 #ifdef CONFIG_CURSES
3215 display_type = DT_CURSES;
3216 #else
3217 error_report("curses support is disabled");
3218 exit(1);
3219 #endif
3220 break;
3221 case QEMU_OPTION_portrait:
3222 graphic_rotate = 90;
3223 break;
3224 case QEMU_OPTION_rotate:
3225 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3226 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3227 graphic_rotate != 180 && graphic_rotate != 270) {
3228 error_report("only 90, 180, 270 deg rotation is available");
3229 exit(1);
3230 }
3231 break;
3232 case QEMU_OPTION_kernel:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_initrd:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_append:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_dtb:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_cdrom:
3249 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3250 break;
3251 case QEMU_OPTION_boot:
3252 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3253 optarg, true);
3254 if (!opts) {
3255 exit(1);
3256 }
3257 break;
3258 case QEMU_OPTION_fda:
3259 case QEMU_OPTION_fdb:
3260 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3261 optarg, FD_OPTS);
3262 break;
3263 case QEMU_OPTION_no_fd_bootchk:
3264 fd_bootchk = 0;
3265 break;
3266 case QEMU_OPTION_netdev:
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 case QEMU_OPTION_net:
3272 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3273 exit(1);
3274 }
3275 break;
3276 #ifdef CONFIG_LIBISCSI
3277 case QEMU_OPTION_iscsi:
3278 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3279 optarg, false);
3280 if (!opts) {
3281 exit(1);
3282 }
3283 break;
3284 #endif
3285 #ifdef CONFIG_SLIRP
3286 case QEMU_OPTION_tftp:
3287 legacy_tftp_prefix = optarg;
3288 break;
3289 case QEMU_OPTION_bootp:
3290 legacy_bootp_filename = optarg;
3291 break;
3292 case QEMU_OPTION_redir:
3293 if (net_slirp_redir(optarg) < 0)
3294 exit(1);
3295 break;
3296 #endif
3297 case QEMU_OPTION_bt:
3298 add_device_config(DEV_BT, optarg);
3299 break;
3300 case QEMU_OPTION_audio_help:
3301 AUD_help ();
3302 exit (0);
3303 break;
3304 case QEMU_OPTION_soundhw:
3305 select_soundhw (optarg);
3306 break;
3307 case QEMU_OPTION_h:
3308 help(0);
3309 break;
3310 case QEMU_OPTION_version:
3311 version();
3312 exit(0);
3313 break;
3314 case QEMU_OPTION_m:
3315 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3316 optarg, true);
3317 if (!opts) {
3318 exit(EXIT_FAILURE);
3319 }
3320 break;
3321 #ifdef CONFIG_TPM
3322 case QEMU_OPTION_tpmdev:
3323 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3324 exit(1);
3325 }
3326 break;
3327 #endif
3328 case QEMU_OPTION_mempath:
3329 mem_path = optarg;
3330 break;
3331 case QEMU_OPTION_mem_prealloc:
3332 mem_prealloc = 1;
3333 break;
3334 case QEMU_OPTION_d:
3335 log_mask = optarg;
3336 break;
3337 case QEMU_OPTION_D:
3338 log_file = optarg;
3339 break;
3340 case QEMU_OPTION_s:
3341 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3342 break;
3343 case QEMU_OPTION_gdb:
3344 add_device_config(DEV_GDB, optarg);
3345 break;
3346 case QEMU_OPTION_L:
3347 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3348 data_dir[data_dir_idx++] = optarg;
3349 }
3350 break;
3351 case QEMU_OPTION_bios:
3352 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3353 &error_abort);
3354 break;
3355 case QEMU_OPTION_singlestep:
3356 singlestep = 1;
3357 break;
3358 case QEMU_OPTION_S:
3359 autostart = 0;
3360 break;
3361 case QEMU_OPTION_k:
3362 keyboard_layout = optarg;
3363 break;
3364 case QEMU_OPTION_localtime:
3365 rtc_utc = 0;
3366 break;
3367 case QEMU_OPTION_vga:
3368 vga_model = optarg;
3369 default_vga = 0;
3370 break;
3371 case QEMU_OPTION_g:
3372 {
3373 const char *p;
3374 int w, h, depth;
3375 p = optarg;
3376 w = strtol(p, (char **)&p, 10);
3377 if (w <= 0) {
3378 graphic_error:
3379 error_report("invalid resolution or depth");
3380 exit(1);
3381 }
3382 if (*p != 'x')
3383 goto graphic_error;
3384 p++;
3385 h = strtol(p, (char **)&p, 10);
3386 if (h <= 0)
3387 goto graphic_error;
3388 if (*p == 'x') {
3389 p++;
3390 depth = strtol(p, (char **)&p, 10);
3391 if (depth != 8 && depth != 15 && depth != 16 &&
3392 depth != 24 && depth != 32)
3393 goto graphic_error;
3394 } else if (*p == '\0') {
3395 depth = graphic_depth;
3396 } else {
3397 goto graphic_error;
3398 }
3399
3400 graphic_width = w;
3401 graphic_height = h;
3402 graphic_depth = depth;
3403 }
3404 break;
3405 case QEMU_OPTION_echr:
3406 {
3407 char *r;
3408 term_escape_char = strtol(optarg, &r, 0);
3409 if (r == optarg)
3410 printf("Bad argument to echr\n");
3411 break;
3412 }
3413 case QEMU_OPTION_monitor:
3414 default_monitor = 0;
3415 if (strncmp(optarg, "none", 4)) {
3416 monitor_parse(optarg, "readline", false);
3417 }
3418 break;
3419 case QEMU_OPTION_qmp:
3420 monitor_parse(optarg, "control", false);
3421 default_monitor = 0;
3422 break;
3423 case QEMU_OPTION_qmp_pretty:
3424 monitor_parse(optarg, "control", true);
3425 default_monitor = 0;
3426 break;
3427 case QEMU_OPTION_mon:
3428 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3429 true);
3430 if (!opts) {
3431 exit(1);
3432 }
3433 default_monitor = 0;
3434 break;
3435 case QEMU_OPTION_chardev:
3436 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3437 optarg, true);
3438 if (!opts) {
3439 exit(1);
3440 }
3441 break;
3442 case QEMU_OPTION_fsdev:
3443 olist = qemu_find_opts("fsdev");
3444 if (!olist) {
3445 error_report("fsdev support is disabled");
3446 exit(1);
3447 }
3448 opts = qemu_opts_parse_noisily(olist, optarg, true);
3449 if (!opts) {
3450 exit(1);
3451 }
3452 break;
3453 case QEMU_OPTION_virtfs: {
3454 QemuOpts *fsdev;
3455 QemuOpts *device;
3456 const char *writeout, *sock_fd, *socket;
3457
3458 olist = qemu_find_opts("virtfs");
3459 if (!olist) {
3460 error_report("virtfs support is disabled");
3461 exit(1);
3462 }
3463 opts = qemu_opts_parse_noisily(olist, optarg, true);
3464 if (!opts) {
3465 exit(1);
3466 }
3467
3468 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3469 qemu_opt_get(opts, "mount_tag") == NULL) {
3470 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3471 exit(1);
3472 }
3473 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3474 qemu_opt_get(opts, "mount_tag"),
3475 1, NULL);
3476 if (!fsdev) {
3477 error_report("duplicate fsdev id: %s",
3478 qemu_opt_get(opts, "mount_tag"));
3479 exit(1);
3480 }
3481
3482 writeout = qemu_opt_get(opts, "writeout");
3483 if (writeout) {
3484 #ifdef CONFIG_SYNC_FILE_RANGE
3485 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3486 #else
3487 error_report("writeout=immediate not supported "
3488 "on this platform");
3489 exit(1);
3490 #endif
3491 }
3492 qemu_opt_set(fsdev, "fsdriver",
3493 qemu_opt_get(opts, "fsdriver"), &error_abort);
3494 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3495 &error_abort);
3496 qemu_opt_set(fsdev, "security_model",
3497 qemu_opt_get(opts, "security_model"),
3498 &error_abort);
3499 socket = qemu_opt_get(opts, "socket");
3500 if (socket) {
3501 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3502 }
3503 sock_fd = qemu_opt_get(opts, "sock_fd");
3504 if (sock_fd) {
3505 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3506 }
3507
3508 qemu_opt_set_bool(fsdev, "readonly",
3509 qemu_opt_get_bool(opts, "readonly", 0),
3510 &error_abort);
3511 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3512 &error_abort);
3513 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3514 qemu_opt_set(device, "fsdev",
3515 qemu_opt_get(opts, "mount_tag"), &error_abort);
3516 qemu_opt_set(device, "mount_tag",
3517 qemu_opt_get(opts, "mount_tag"), &error_abort);
3518 break;
3519 }
3520 case QEMU_OPTION_virtfs_synth: {
3521 QemuOpts *fsdev;
3522 QemuOpts *device;
3523
3524 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3525 1, NULL);
3526 if (!fsdev) {
3527 error_report("duplicate option: %s", "virtfs_synth");
3528 exit(1);
3529 }
3530 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3531
3532 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3533 &error_abort);
3534 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3535 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3536 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3537 break;
3538 }
3539 case QEMU_OPTION_serial:
3540 add_device_config(DEV_SERIAL, optarg);
3541 default_serial = 0;
3542 if (strncmp(optarg, "mon:", 4) == 0) {
3543 default_monitor = 0;
3544 }
3545 break;
3546 case QEMU_OPTION_watchdog:
3547 if (watchdog) {
3548 error_report("only one watchdog option may be given");
3549 return 1;
3550 }
3551 watchdog = optarg;
3552 break;
3553 case QEMU_OPTION_watchdog_action:
3554 if (select_watchdog_action(optarg) == -1) {
3555 error_report("unknown -watchdog-action parameter");
3556 exit(1);
3557 }
3558 break;
3559 case QEMU_OPTION_virtiocon:
3560 add_device_config(DEV_VIRTCON, optarg);
3561 default_virtcon = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3564 }
3565 break;
3566 case QEMU_OPTION_parallel:
3567 add_device_config(DEV_PARALLEL, optarg);
3568 default_parallel = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_debugcon:
3574 add_device_config(DEV_DEBUGCON, optarg);
3575 break;
3576 case QEMU_OPTION_loadvm:
3577 loadvm = optarg;
3578 break;
3579 case QEMU_OPTION_full_screen:
3580 full_screen = 1;
3581 break;
3582 case QEMU_OPTION_no_frame:
3583 no_frame = 1;
3584 break;
3585 case QEMU_OPTION_alt_grab:
3586 alt_grab = 1;
3587 break;
3588 case QEMU_OPTION_ctrl_grab:
3589 ctrl_grab = 1;
3590 break;
3591 case QEMU_OPTION_no_quit:
3592 no_quit = 1;
3593 break;
3594 case QEMU_OPTION_sdl:
3595 #ifdef CONFIG_SDL
3596 display_type = DT_SDL;
3597 break;
3598 #else
3599 error_report("SDL support is disabled");
3600 exit(1);
3601 #endif
3602 case QEMU_OPTION_pidfile:
3603 pid_file = optarg;
3604 break;
3605 case QEMU_OPTION_win2k_hack:
3606 win2k_install_hack = 1;
3607 break;
3608 case QEMU_OPTION_rtc_td_hack: {
3609 static GlobalProperty slew_lost_ticks[] = {
3610 {
3611 .driver = "mc146818rtc",
3612 .property = "lost_tick_policy",
3613 .value = "slew",
3614 },
3615 { /* end of list */ }
3616 };
3617
3618 qdev_prop_register_global_list(slew_lost_ticks);
3619 break;
3620 }
3621 case QEMU_OPTION_acpitable:
3622 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3623 optarg, true);
3624 if (!opts) {
3625 exit(1);
3626 }
3627 do_acpitable_option(opts);
3628 break;
3629 case QEMU_OPTION_smbios:
3630 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3631 optarg, false);
3632 if (!opts) {
3633 exit(1);
3634 }
3635 do_smbios_option(opts);
3636 break;
3637 case QEMU_OPTION_fwcfg:
3638 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3639 optarg, true);
3640 if (opts == NULL) {
3641 exit(1);
3642 }
3643 break;
3644 case QEMU_OPTION_enable_kvm:
3645 olist = qemu_find_opts("machine");
3646 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3647 break;
3648 case QEMU_OPTION_M:
3649 case QEMU_OPTION_machine:
3650 olist = qemu_find_opts("machine");
3651 opts = qemu_opts_parse_noisily(olist, optarg, true);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 break;
3656 case QEMU_OPTION_no_kvm:
3657 olist = qemu_find_opts("machine");
3658 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3659 break;
3660 case QEMU_OPTION_no_kvm_pit: {
3661 error_report("warning: ignoring deprecated option");
3662 break;
3663 }
3664 case QEMU_OPTION_no_kvm_pit_reinjection: {
3665 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3666 {
3667 .driver = "kvm-pit",
3668 .property = "lost_tick_policy",
3669 .value = "discard",
3670 },
3671 { /* end of list */ }
3672 };
3673
3674 error_report("warning: deprecated, replaced by "
3675 "-global kvm-pit.lost_tick_policy=discard");
3676 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3677 break;
3678 }
3679 case QEMU_OPTION_usb:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 break;
3683 case QEMU_OPTION_usbdevice:
3684 olist = qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist, "usb=on", false);
3686 add_device_config(DEV_USB, optarg);
3687 break;
3688 case QEMU_OPTION_device:
3689 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3690 optarg, true)) {
3691 exit(1);
3692 }
3693 break;
3694 case QEMU_OPTION_smp:
3695 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3696 optarg, true)) {
3697 exit(1);
3698 }
3699 break;
3700 case QEMU_OPTION_vnc:
3701 {
3702 #ifdef CONFIG_VNC
3703 Error *local_err = NULL;
3704
3705 if (vnc_parse(optarg, &local_err) == NULL) {
3706 error_report_err(local_err);
3707 exit(1);
3708 }
3709 #else
3710 error_report("VNC support is disabled");
3711 exit(1);
3712 #endif
3713 break;
3714 }
3715 case QEMU_OPTION_no_acpi:
3716 acpi_enabled = 0;
3717 break;
3718 case QEMU_OPTION_no_hpet:
3719 no_hpet = 1;
3720 break;
3721 case QEMU_OPTION_balloon:
3722 if (balloon_parse(optarg) < 0) {
3723 error_report("unknown -balloon argument %s", optarg);
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_no_reboot:
3728 no_reboot = 1;
3729 break;
3730 case QEMU_OPTION_no_shutdown:
3731 no_shutdown = 1;
3732 break;
3733 case QEMU_OPTION_show_cursor:
3734 cursor_hide = 0;
3735 break;
3736 case QEMU_OPTION_uuid:
3737 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3738 error_report("failed to parse UUID string: wrong format");
3739 exit(1);
3740 }
3741 qemu_uuid_set = true;
3742 break;
3743 case QEMU_OPTION_option_rom:
3744 if (nb_option_roms >= MAX_OPTION_ROMS) {
3745 error_report("too many option ROMs");
3746 exit(1);
3747 }
3748 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3749 optarg, true);
3750 if (!opts) {
3751 exit(1);
3752 }
3753 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3754 option_rom[nb_option_roms].bootindex =
3755 qemu_opt_get_number(opts, "bootindex", -1);
3756 if (!option_rom[nb_option_roms].name) {
3757 error_report("Option ROM file is not specified");
3758 exit(1);
3759 }
3760 nb_option_roms++;
3761 break;
3762 case QEMU_OPTION_semihosting:
3763 semihosting.enabled = true;
3764 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3765 break;
3766 case QEMU_OPTION_semihosting_config:
3767 semihosting.enabled = true;
3768 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3769 optarg, false);
3770 if (opts != NULL) {
3771 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3772 true);
3773 const char *target = qemu_opt_get(opts, "target");
3774 if (target != NULL) {
3775 if (strcmp("native", target) == 0) {
3776 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3777 } else if (strcmp("gdb", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_GDB;
3779 } else if (strcmp("auto", target) == 0) {
3780 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3781 } else {
3782 error_report("unsupported semihosting-config %s",
3783 optarg);
3784 exit(1);
3785 }
3786 } else {
3787 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3788 }
3789 /* Set semihosting argument count and vector */
3790 qemu_opt_foreach(opts, add_semihosting_arg,
3791 &semihosting, NULL);
3792 } else {
3793 error_report("unsupported semihosting-config %s", optarg);
3794 exit(1);
3795 }
3796 break;
3797 case QEMU_OPTION_tdf:
3798 error_report("warning: ignoring deprecated option");
3799 break;
3800 case QEMU_OPTION_name:
3801 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3802 optarg, true);
3803 if (!opts) {
3804 exit(1);
3805 }
3806 break;
3807 case QEMU_OPTION_prom_env:
3808 if (nb_prom_envs >= MAX_PROM_ENVS) {
3809 error_report("too many prom variables");
3810 exit(1);
3811 }
3812 prom_envs[nb_prom_envs] = optarg;
3813 nb_prom_envs++;
3814 break;
3815 case QEMU_OPTION_old_param:
3816 old_param = 1;
3817 break;
3818 case QEMU_OPTION_clock:
3819 /* Clock options no longer exist. Keep this option for
3820 * backward compatibility.
3821 */
3822 break;
3823 case QEMU_OPTION_startdate:
3824 configure_rtc_date_offset(optarg, 1);
3825 break;
3826 case QEMU_OPTION_rtc:
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3828 false);
3829 if (!opts) {
3830 exit(1);
3831 }
3832 configure_rtc(opts);
3833 break;
3834 case QEMU_OPTION_tb_size:
3835 tcg_tb_size = strtol(optarg, NULL, 0);
3836 if (tcg_tb_size < 0) {
3837 tcg_tb_size = 0;
3838 }
3839 break;
3840 case QEMU_OPTION_icount:
3841 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3842 optarg, true);
3843 if (!icount_opts) {
3844 exit(1);
3845 }
3846 break;
3847 case QEMU_OPTION_incoming:
3848 if (!incoming) {
3849 runstate_set(RUN_STATE_INMIGRATE);
3850 }
3851 incoming = optarg;
3852 break;
3853 case QEMU_OPTION_nodefaults:
3854 has_defaults = 0;
3855 break;
3856 case QEMU_OPTION_xen_domid:
3857 if (!(xen_available())) {
3858 printf("Option %s not supported for this target\n", popt->name);
3859 exit(1);
3860 }
3861 xen_domid = atoi(optarg);
3862 break;
3863 case QEMU_OPTION_xen_create:
3864 if (!(xen_available())) {
3865 printf("Option %s not supported for this target\n", popt->name);
3866 exit(1);
3867 }
3868 xen_mode = XEN_CREATE;
3869 break;
3870 case QEMU_OPTION_xen_attach:
3871 if (!(xen_available())) {
3872 printf("Option %s not supported for this target\n", popt->name);
3873 exit(1);
3874 }
3875 xen_mode = XEN_ATTACH;
3876 break;
3877 case QEMU_OPTION_trace:
3878 {
3879 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3880 optarg, false);
3881 if (!opts) {
3882 exit(1);
3883 }
3884 trace_events = qemu_opt_get(opts, "events");
3885 trace_file = qemu_opt_get(opts, "file");
3886 break;
3887 }
3888 case QEMU_OPTION_readconfig:
3889 {
3890 int ret = qemu_read_config_file(optarg);
3891 if (ret < 0) {
3892 error_report("read config %s: %s", optarg,
3893 strerror(-ret));
3894 exit(1);
3895 }
3896 break;
3897 }
3898 case QEMU_OPTION_spice:
3899 olist = qemu_find_opts("spice");
3900 if (!olist) {
3901 error_report("spice support is disabled");
3902 exit(1);
3903 }
3904 opts = qemu_opts_parse_noisily(olist, optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 display_remote++;
3909 break;
3910 case QEMU_OPTION_writeconfig:
3911 {
3912 FILE *fp;
3913 if (strcmp(optarg, "-") == 0) {
3914 fp = stdout;
3915 } else {
3916 fp = fopen(optarg, "w");
3917 if (fp == NULL) {
3918 error_report("open %s: %s", optarg,
3919 strerror(errno));
3920 exit(1);
3921 }
3922 }
3923 qemu_config_write(fp);
3924 if (fp != stdout) {
3925 fclose(fp);
3926 }
3927 break;
3928 }
3929 case QEMU_OPTION_qtest:
3930 qtest_chrdev = optarg;
3931 break;
3932 case QEMU_OPTION_qtest_log:
3933 qtest_log = optarg;
3934 break;
3935 case QEMU_OPTION_sandbox:
3936 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3937 optarg, true);
3938 if (!opts) {
3939 exit(1);
3940 }
3941 break;
3942 case QEMU_OPTION_add_fd:
3943 #ifndef _WIN32
3944 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3945 optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 #else
3950 error_report("File descriptor passing is disabled on this "
3951 "platform");
3952 exit(1);
3953 #endif
3954 break;
3955 case QEMU_OPTION_object:
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3957 optarg, true);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 break;
3962 case QEMU_OPTION_realtime:
3963 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3964 optarg, false);
3965 if (!opts) {
3966 exit(1);
3967 }
3968 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3969 break;
3970 case QEMU_OPTION_msg:
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3972 false);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 configure_msg(opts);
3977 break;
3978 case QEMU_OPTION_dump_vmstate:
3979 if (vmstate_dump_file) {
3980 error_report("only one '-dump-vmstate' "
3981 "option may be given");
3982 exit(1);
3983 }
3984 vmstate_dump_file = fopen(optarg, "w");
3985 if (vmstate_dump_file == NULL) {
3986 error_report("open %s: %s", optarg, strerror(errno));
3987 exit(1);
3988 }
3989 break;
3990 default:
3991 os_parse_cmd_args(popt->index, optarg);
3992 }
3993 }
3994 }
3995
3996 opts = qemu_get_machine_opts();
3997 optarg = qemu_opt_get(opts, "type");
3998 if (optarg) {
3999 machine_class = machine_parse(optarg);
4000 }
4001
4002 if (machine_class == NULL) {
4003 error_report("No machine specified, and there is no default");
4004 error_printf("Use -machine help to list supported machines\n");
4005 exit(1);
4006 }
4007
4008 set_memory_options(&ram_slots, &maxram_size, machine_class);
4009
4010 loc_set_none();
4011
4012 os_daemonize();
4013
4014 if (qemu_init_main_loop(&main_loop_err)) {
4015 error_report_err(main_loop_err);
4016 exit(1);
4017 }
4018
4019 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4020 parse_sandbox, NULL, NULL)) {
4021 exit(1);
4022 }
4023
4024 if (qemu_opts_foreach(qemu_find_opts("name"),
4025 parse_name, NULL, NULL)) {
4026 exit(1);
4027 }
4028
4029 #ifndef _WIN32
4030 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4031 parse_add_fd, NULL, NULL)) {
4032 exit(1);
4033 }
4034
4035 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4036 cleanup_add_fd, NULL, NULL)) {
4037 exit(1);
4038 }
4039 #endif
4040
4041 current_machine = MACHINE(object_new(object_class_get_name(
4042 OBJECT_CLASS(machine_class))));
4043 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4044 exit(0);
4045 }
4046 object_property_add_child(object_get_root(), "machine",
4047 OBJECT(current_machine), &error_abort);
4048 cpu_exec_init_all();
4049
4050 if (machine_class->hw_version) {
4051 qemu_set_version(machine_class->hw_version);
4052 }
4053
4054 /* Init CPU def lists, based on config
4055 * - Must be called after all the qemu_read_config_file() calls
4056 * - Must be called before list_cpus()
4057 * - Must be called before machine->init()
4058 */
4059 cpudef_init();
4060
4061 if (cpu_model && is_help_option(cpu_model)) {
4062 list_cpus(stdout, &fprintf, cpu_model);
4063 exit(0);
4064 }
4065
4066 /* Open the logfile at this point and set the log mask if necessary.
4067 */
4068 if (log_file) {
4069 qemu_set_log_filename(log_file);
4070 }
4071
4072 if (log_mask) {
4073 int mask;
4074 mask = qemu_str_to_log_mask(log_mask);
4075 if (!mask) {
4076 qemu_print_log_usage(stdout);
4077 exit(1);
4078 }
4079 qemu_set_log(mask);
4080 }
4081
4082 if (!is_daemonized()) {
4083 if (!trace_init_backends(trace_events, trace_file)) {
4084 exit(1);
4085 }
4086 }
4087
4088 /* If no data_dir is specified then try to find it relative to the
4089 executable path. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx] = os_find_datadir();
4092 if (data_dir[data_dir_idx] != NULL) {
4093 data_dir_idx++;
4094 }
4095 }
4096 /* If all else fails use the install path specified when building. */
4097 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4098 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4099 }
4100
4101 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4102
4103 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4104 if (max_cpus > machine_class->max_cpus) {
4105 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4106 "supported by machine '%s' (%d)", max_cpus,
4107 machine_class->name, machine_class->max_cpus);
4108 exit(1);
4109 }
4110
4111 /*
4112 * Get the default machine options from the machine if it is not already
4113 * specified either by the configuration file or by the command line.
4114 */
4115 if (machine_class->default_machine_opts) {
4116 qemu_opts_set_defaults(qemu_find_opts("machine"),
4117 machine_class->default_machine_opts, 0);
4118 }
4119
4120 qemu_opts_foreach(qemu_find_opts("device"),
4121 default_driver_check, NULL, NULL);
4122 qemu_opts_foreach(qemu_find_opts("global"),
4123 default_driver_check, NULL, NULL);
4124
4125 if (!vga_model && !default_vga) {
4126 vga_interface_type = VGA_DEVICE;
4127 }
4128 if (!has_defaults || machine_class->no_serial) {
4129 default_serial = 0;
4130 }
4131 if (!has_defaults || machine_class->no_parallel) {
4132 default_parallel = 0;
4133 }
4134 if (!has_defaults || !machine_class->use_virtcon) {
4135 default_virtcon = 0;
4136 }
4137 if (!has_defaults || !machine_class->use_sclp) {
4138 default_sclp = 0;
4139 }
4140 if (!has_defaults || machine_class->no_floppy) {
4141 default_floppy = 0;
4142 }
4143 if (!has_defaults || machine_class->no_cdrom) {
4144 default_cdrom = 0;
4145 }
4146 if (!has_defaults || machine_class->no_sdcard) {
4147 default_sdcard = 0;
4148 }
4149 if (!has_defaults) {
4150 default_monitor = 0;
4151 default_net = 0;
4152 default_vga = 0;
4153 }
4154
4155 if (is_daemonized()) {
4156 /* According to documentation and historically, -nographic redirects
4157 * serial port, parallel port and monitor to stdio, which does not work
4158 * with -daemonize. We can redirect these to null instead, but since
4159 * -nographic is legacy, let's just error out.
4160 * We disallow -nographic only if all other ports are not redirected
4161 * explicitly, to not break existing legacy setups which uses
4162 * -nographic _and_ redirects all ports explicitly - this is valid
4163 * usage, -nographic is just a no-op in this case.
4164 */
4165 if (display_type == DT_NOGRAPHIC
4166 && (default_parallel || default_serial
4167 || default_monitor || default_virtcon)) {
4168 error_report("-nographic cannot be used with -daemonize");
4169 exit(1);
4170 }
4171 #ifdef CONFIG_CURSES
4172 if (display_type == DT_CURSES) {
4173 error_report("curses display cannot be used with -daemonize");
4174 exit(1);
4175 }
4176 #endif
4177 }
4178
4179 if (display_type == DT_NOGRAPHIC) {
4180 if (default_parallel)
4181 add_device_config(DEV_PARALLEL, "null");
4182 if (default_serial && default_monitor) {
4183 add_device_config(DEV_SERIAL, "mon:stdio");
4184 } else if (default_virtcon && default_monitor) {
4185 add_device_config(DEV_VIRTCON, "mon:stdio");
4186 } else if (default_sclp && default_monitor) {
4187 add_device_config(DEV_SCLP, "mon:stdio");
4188 } else {
4189 if (default_serial)
4190 add_device_config(DEV_SERIAL, "stdio");
4191 if (default_virtcon)
4192 add_device_config(DEV_VIRTCON, "stdio");
4193 if (default_sclp) {
4194 add_device_config(DEV_SCLP, "stdio");
4195 }
4196 if (default_monitor)
4197 monitor_parse("stdio", "readline", false);
4198 }
4199 } else {
4200 if (default_serial)
4201 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4202 if (default_parallel)
4203 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4204 if (default_monitor)
4205 monitor_parse("vc:80Cx24C", "readline", false);
4206 if (default_virtcon)
4207 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4208 if (default_sclp) {
4209 add_device_config(DEV_SCLP, "vc:80Cx24C");
4210 }
4211 }
4212
4213 #if defined(CONFIG_VNC)
4214 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4215 display_remote++;
4216 }
4217 #endif
4218 if (display_type == DT_DEFAULT && !display_remote) {
4219 #if defined(CONFIG_GTK)
4220 display_type = DT_GTK;
4221 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4222 display_type = DT_SDL;
4223 #elif defined(CONFIG_VNC)
4224 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4225 show_vnc_port = 1;
4226 #else
4227 display_type = DT_NONE;
4228 #endif
4229 }
4230
4231 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4232 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4233 "for SDL, ignoring option");
4234 }
4235 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4236 error_report("-no-quit is only valid for GTK and SDL, "
4237 "ignoring option");
4238 }
4239
4240 #if defined(CONFIG_GTK)
4241 if (display_type == DT_GTK) {
4242 early_gtk_display_init(request_opengl);
4243 }
4244 #endif
4245 #if defined(CONFIG_SDL)
4246 if (display_type == DT_SDL) {
4247 sdl_display_early_init(request_opengl);
4248 }
4249 #endif
4250 if (request_opengl == 1 && display_opengl == 0) {
4251 #if defined(CONFIG_OPENGL)
4252 error_report("OpenGL is not supported by the display");
4253 #else
4254 error_report("OpenGL support is disabled");
4255 #endif
4256 exit(1);
4257 }
4258
4259 socket_init();
4260
4261 if (qemu_opts_foreach(qemu_find_opts("object"),
4262 object_create,
4263 object_create_initial, NULL)) {
4264 exit(1);
4265 }
4266
4267 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4268 chardev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271
4272 #ifdef CONFIG_VIRTFS
4273 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4274 fsdev_init_func, NULL, NULL)) {
4275 exit(1);
4276 }
4277 #endif
4278
4279 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4280 error_report("could not acquire pid file: %s", strerror(errno));
4281 exit(1);
4282 }
4283
4284 if (qemu_opts_foreach(qemu_find_opts("device"),
4285 device_help_func, NULL, NULL)) {
4286 exit(0);
4287 }
4288
4289 machine_opts = qemu_get_machine_opts();
4290 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4291 NULL)) {
4292 object_unref(OBJECT(current_machine));
4293 exit(1);
4294 }
4295
4296 configure_accelerator(current_machine);
4297
4298 if (qtest_chrdev) {
4299 Error *local_err = NULL;
4300 qtest_init(qtest_chrdev, qtest_log, &local_err);
4301 if (local_err) {
4302 error_report_err(local_err);
4303 exit(1);
4304 }
4305 }
4306
4307 machine_opts = qemu_get_machine_opts();
4308 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4309 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4310 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4311 bios_name = qemu_opt_get(machine_opts, "firmware");
4312
4313 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4314 if (opts) {
4315 Error *local_err = NULL;
4316
4317 boot_order = qemu_opt_get(opts, "order");
4318 if (boot_order) {
4319 validate_bootdevices(boot_order, &local_err);
4320 if (local_err) {
4321 error_report_err(local_err);
4322 exit(1);
4323 }
4324 }
4325
4326 boot_once = qemu_opt_get(opts, "once");
4327 if (boot_once) {
4328 validate_bootdevices(boot_once, &local_err);
4329 if (local_err) {
4330 error_report_err(local_err);
4331 exit(1);
4332 }
4333 }
4334
4335 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4336 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4337 }
4338
4339 if (!boot_order) {
4340 boot_order = machine_class->default_boot_order;
4341 }
4342
4343 if (!kernel_cmdline) {
4344 kernel_cmdline = "";
4345 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4346 }
4347
4348 linux_boot = (kernel_filename != NULL);
4349
4350 if (!linux_boot && *kernel_cmdline != '\0') {
4351 error_report("-append only allowed with -kernel option");
4352 exit(1);
4353 }
4354
4355 if (!linux_boot && initrd_filename != NULL) {
4356 error_report("-initrd only allowed with -kernel option");
4357 exit(1);
4358 }
4359
4360 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4361 error_report("-dtb only allowed with -kernel option");
4362 exit(1);
4363 }
4364
4365 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4366 /* fall back to the -kernel/-append */
4367 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4368 }
4369
4370 os_set_line_buffering();
4371
4372 #ifdef CONFIG_SPICE
4373 /* spice needs the timers to be initialized by this point */
4374 qemu_spice_init();
4375 #endif
4376
4377 cpu_ticks_init();
4378 if (icount_opts) {
4379 if (kvm_enabled() || xen_enabled()) {
4380 error_report("-icount is not allowed with kvm or xen");
4381 exit(1);
4382 }
4383 configure_icount(icount_opts, &error_abort);
4384 qemu_opts_del(icount_opts);
4385 }
4386
4387 /* clean up network at qemu process termination */
4388 atexit(&net_cleanup);
4389
4390 if (net_init_clients() < 0) {
4391 exit(1);
4392 }
4393
4394 if (qemu_opts_foreach(qemu_find_opts("object"),
4395 object_create,
4396 object_create_delayed, NULL)) {
4397 exit(1);
4398 }
4399
4400 #ifdef CONFIG_TPM
4401 if (tpm_init() < 0) {
4402 exit(1);
4403 }
4404 #endif
4405
4406 /* init the bluetooth world */
4407 if (foreach_device_config(DEV_BT, bt_parse))
4408 exit(1);
4409
4410 if (!xen_enabled()) {
4411 /* On 32-bit hosts, QEMU is limited by virtual address space */
4412 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4413 error_report("at most 2047 MB RAM can be simulated");
4414 exit(1);
4415 }
4416 }
4417
4418 blk_mig_init();
4419 ram_mig_init();
4420
4421 /* If the currently selected machine wishes to override the units-per-bus
4422 * property of its default HBA interface type, do so now. */
4423 if (machine_class->units_per_default_bus) {
4424 override_max_devs(machine_class->block_default_type,
4425 machine_class->units_per_default_bus);
4426 }
4427
4428 /* open the virtual block devices */
4429 if (snapshot)
4430 qemu_opts_foreach(qemu_find_opts("drive"),
4431 drive_enable_snapshot, NULL, NULL);
4432 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4433 &machine_class->block_default_type, NULL)) {
4434 exit(1);
4435 }
4436
4437 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4438 CDROM_OPTS);
4439 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4440 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4441
4442 parse_numa_opts(machine_class);
4443
4444 if (qemu_opts_foreach(qemu_find_opts("mon"),
4445 mon_init_func, NULL, NULL)) {
4446 exit(1);
4447 }
4448
4449 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4454 exit(1);
4455 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4456 exit(1);
4457 }
4458 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4459 exit(1);
4460
4461 /* If no default VGA is requested, the default is "none". */
4462 if (default_vga) {
4463 if (machine_class->default_display) {
4464 vga_model = machine_class->default_display;
4465 } else if (cirrus_vga_available()) {
4466 vga_model = "cirrus";
4467 } else if (vga_available()) {
4468 vga_model = "std";
4469 }
4470 }
4471 if (vga_model) {
4472 select_vgahw(vga_model);
4473 }
4474
4475 if (watchdog) {
4476 i = select_watchdog(watchdog);
4477 if (i > 0)
4478 exit (i == 1 ? 1 : 0);
4479 }
4480
4481 if (machine_class->compat_props) {
4482 qdev_prop_register_global_list(machine_class->compat_props);
4483 }
4484 qemu_add_globals();
4485
4486 qdev_machine_init();
4487
4488 current_machine->ram_size = ram_size;
4489 current_machine->maxram_size = maxram_size;
4490 current_machine->ram_slots = ram_slots;
4491 current_machine->boot_order = boot_order;
4492 current_machine->cpu_model = cpu_model;
4493
4494 machine_class->init(current_machine);
4495
4496 realtime_init();
4497
4498 audio_init();
4499
4500 cpu_synchronize_all_post_init();
4501
4502 numa_post_machine_init();
4503
4504 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4505 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4506 exit(1);
4507 }
4508
4509 /* init USB devices */
4510 if (usb_enabled()) {
4511 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4512 exit(1);
4513 }
4514
4515 /* Check if IGD GFX passthrough. */
4516 igd_gfx_passthru();
4517
4518 /* init generic devices */
4519 if (qemu_opts_foreach(qemu_find_opts("device"),
4520 device_init_func, NULL, NULL)) {
4521 exit(1);
4522 }
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 net_check_clients();
4528
4529 if (boot_once) {
4530 Error *local_err = NULL;
4531 qemu_boot_set(boot_once, &local_err);
4532 if (local_err) {
4533 error_report("%s", error_get_pretty(local_err));
4534 exit(1);
4535 }
4536 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4537 }
4538
4539 ds = init_displaystate();
4540
4541 /* init local displays */
4542 switch (display_type) {
4543 case DT_NOGRAPHIC:
4544 (void)ds; /* avoid warning if no display is configured */
4545 break;
4546 #if defined(CONFIG_CURSES)
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 #endif
4551 #if defined(CONFIG_SDL)
4552 case DT_SDL:
4553 sdl_display_init(ds, full_screen, no_frame);
4554 break;
4555 #elif defined(CONFIG_COCOA)
4556 case DT_SDL:
4557 cocoa_display_init(ds, full_screen);
4558 break;
4559 #endif
4560 #if defined(CONFIG_GTK)
4561 case DT_GTK:
4562 gtk_display_init(ds, full_screen, grab_on_hover);
4563 break;
4564 #endif
4565 default:
4566 break;
4567 }
4568
4569 /* must be after terminal init, SDL library changes signal handlers */
4570 os_setup_signal_handling();
4571
4572 #ifdef CONFIG_VNC
4573 /* init remote displays */
4574 qemu_opts_foreach(qemu_find_opts("vnc"),
4575 vnc_init_func, NULL, NULL);
4576 if (show_vnc_port) {
4577 char *ret = vnc_display_local_addr("default");
4578 printf("VNC server running on '%s'\n", ret);
4579 g_free(ret);
4580 }
4581 #endif
4582 #ifdef CONFIG_SPICE
4583 if (using_spice) {
4584 qemu_spice_display_init();
4585 }
4586 #endif
4587
4588 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4589 exit(1);
4590 }
4591
4592 qdev_machine_creation_done();
4593
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4598
4599 if (rom_check_and_register_reset() != 0) {
4600 error_report("rom check and register reset failed");
4601 exit(1);
4602 }
4603
4604 qemu_system_reset(VMRESET_SILENT);
4605 register_global_state();
4606 if (loadvm) {
4607 if (load_vmstate(loadvm) < 0) {
4608 autostart = 0;
4609 }
4610 }
4611
4612 qdev_prop_check_globals();
4613 if (vmstate_dump_file) {
4614 /* dump and exit */
4615 dump_vmstate_json_to_file(vmstate_dump_file);
4616 return 0;
4617 }
4618
4619 if (incoming) {
4620 Error *local_err = NULL;
4621 qemu_start_incoming_migration(incoming, &local_err);
4622 if (local_err) {
4623 error_report("-incoming %s: %s", incoming,
4624 error_get_pretty(local_err));
4625 error_free(local_err);
4626 exit(1);
4627 }
4628 } else if (autostart) {
4629 vm_start();
4630 }
4631
4632 os_setup_post();
4633
4634 if (is_daemonized()) {
4635 if (!trace_init_backends(trace_events, trace_file)) {
4636 exit(1);
4637 }
4638 }
4639
4640 main_loop();
4641 bdrv_close_all();
4642 pause_all_vcpus();
4643 res_free();
4644 #ifdef CONFIG_TPM
4645 tpm_cleanup();
4646 #endif
4647
4648 return 0;
4649 }
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