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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 #include "qapi/qmp/qerror.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 DisplayType display_type = DT_DEFAULT;
136 int request_opengl = -1;
137 int display_opengl;
138 static int display_remote;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 int nb_nics;
145 NICInfo nd_table[MAX_NICS];
146 int autostart;
147 static int rtc_utc = 1;
148 static int rtc_date_offset = -1; /* -1 means no change */
149 QEMUClockType rtc_clock;
150 int vga_interface_type = VGA_NONE;
151 static int full_screen = 0;
152 static int no_frame = 0;
153 int no_quit = 0;
154 #ifdef CONFIG_GTK
155 static bool grab_on_hover;
156 #endif
157 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
158 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
159 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
161 int win2k_install_hack = 0;
162 int singlestep = 0;
163 int smp_cpus = 1;
164 int max_cpus = 0;
165 int smp_cores = 1;
166 int smp_threads = 1;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 size_t boot_splash_filedata_size;
187 uint8_t qemu_extra_params_fw[2];
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 uint8_t qemu_uuid[16];
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_sclp = 1;
212 static int default_monitor = 1;
213 static int default_floppy = 1;
214 static int default_cdrom = 1;
215 static int default_sdcard = 1;
216 static int default_vga = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 };
239
240 static QemuOptsList qemu_rtc_opts = {
241 .name = "rtc",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .desc = {
244 {
245 .name = "base",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "clock",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "driftfix",
252 .type = QEMU_OPT_STRING,
253 },
254 { /* end of list */ }
255 },
256 };
257
258 static QemuOptsList qemu_sandbox_opts = {
259 .name = "sandbox",
260 .implied_opt_name = "enable",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
262 .desc = {
263 {
264 .name = "enable",
265 .type = QEMU_OPT_BOOL,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_trace_opts = {
272 .name = "trace",
273 .implied_opt_name = "enable",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
275 .desc = {
276 {
277 .name = "enable",
278 .type = QEMU_OPT_STRING,
279 },
280 {
281 .name = "events",
282 .type = QEMU_OPT_STRING,
283 },{
284 .name = "file",
285 .type = QEMU_OPT_STRING,
286 },
287 { /* end of list */ }
288 },
289 };
290
291 static QemuOptsList qemu_option_rom_opts = {
292 .name = "option-rom",
293 .implied_opt_name = "romfile",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
295 .desc = {
296 {
297 .name = "bootindex",
298 .type = QEMU_OPT_NUMBER,
299 }, {
300 .name = "romfile",
301 .type = QEMU_OPT_STRING,
302 },
303 { /* end of list */ }
304 },
305 };
306
307 static QemuOptsList qemu_machine_opts = {
308 .name = "machine",
309 .implied_opt_name = "type",
310 .merge_lists = true,
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
312 .desc = {
313 /*
314 * no elements => accept any
315 * sanity checking will happen later
316 * when setting machine properties
317 */
318 { }
319 },
320 };
321
322 static QemuOptsList qemu_boot_opts = {
323 .name = "boot-opts",
324 .implied_opt_name = "order",
325 .merge_lists = true,
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
327 .desc = {
328 {
329 .name = "order",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "once",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "menu",
336 .type = QEMU_OPT_BOOL,
337 }, {
338 .name = "splash",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "splash-time",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "reboot-timeout",
345 .type = QEMU_OPT_STRING,
346 }, {
347 .name = "strict",
348 .type = QEMU_OPT_BOOL,
349 },
350 { /*End of list */ }
351 },
352 };
353
354 static QemuOptsList qemu_add_fd_opts = {
355 .name = "add-fd",
356 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
357 .desc = {
358 {
359 .name = "fd",
360 .type = QEMU_OPT_NUMBER,
361 .help = "file descriptor of which a duplicate is added to fd set",
362 },{
363 .name = "set",
364 .type = QEMU_OPT_NUMBER,
365 .help = "ID of the fd set to add fd to",
366 },{
367 .name = "opaque",
368 .type = QEMU_OPT_STRING,
369 .help = "free-form string used to describe fd",
370 },
371 { /* end of list */ }
372 },
373 };
374
375 static QemuOptsList qemu_object_opts = {
376 .name = "object",
377 .implied_opt_name = "qom-type",
378 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
379 .desc = {
380 { }
381 },
382 };
383
384 static QemuOptsList qemu_tpmdev_opts = {
385 .name = "tpmdev",
386 .implied_opt_name = "type",
387 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
388 .desc = {
389 /* options are defined in the TPM backends */
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_realtime_opts = {
395 .name = "realtime",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
397 .desc = {
398 {
399 .name = "mlock",
400 .type = QEMU_OPT_BOOL,
401 },
402 { /* end of list */ }
403 },
404 };
405
406 static QemuOptsList qemu_msg_opts = {
407 .name = "msg",
408 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
409 .desc = {
410 {
411 .name = "timestamp",
412 .type = QEMU_OPT_BOOL,
413 },
414 { /* end of list */ }
415 },
416 };
417
418 static QemuOptsList qemu_name_opts = {
419 .name = "name",
420 .implied_opt_name = "guest",
421 .merge_lists = true,
422 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
423 .desc = {
424 {
425 .name = "guest",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the guest.\n"
428 "This name will be displayed in the SDL window caption.\n"
429 "The name will also be used for the VNC server",
430 }, {
431 .name = "process",
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the QEMU process, as shown in top etc",
434 }, {
435 .name = "debug-threads",
436 .type = QEMU_OPT_BOOL,
437 .help = "When enabled, name the individual threads; defaults off.\n"
438 "NOTE: The thread names are for debugging and not a\n"
439 "stable API.",
440 },
441 { /* End of list */ }
442 },
443 };
444
445 static QemuOptsList qemu_mem_opts = {
446 .name = "memory",
447 .implied_opt_name = "size",
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
449 .merge_lists = true,
450 .desc = {
451 {
452 .name = "size",
453 .type = QEMU_OPT_SIZE,
454 },
455 {
456 .name = "slots",
457 .type = QEMU_OPT_NUMBER,
458 },
459 {
460 .name = "maxmem",
461 .type = QEMU_OPT_SIZE,
462 },
463 { /* end of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_icount_opts = {
468 .name = "icount",
469 .implied_opt_name = "shift",
470 .merge_lists = true,
471 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
472 .desc = {
473 {
474 .name = "shift",
475 .type = QEMU_OPT_STRING,
476 }, {
477 .name = "align",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "sleep",
481 .type = QEMU_OPT_BOOL,
482 }, {
483 .name = "rr",
484 .type = QEMU_OPT_STRING,
485 }, {
486 .name = "rrfile",
487 .type = QEMU_OPT_STRING,
488 },
489 { /* end of list */ }
490 },
491 };
492
493 static QemuOptsList qemu_semihosting_config_opts = {
494 .name = "semihosting-config",
495 .implied_opt_name = "enable",
496 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
497 .desc = {
498 {
499 .name = "enable",
500 .type = QEMU_OPT_BOOL,
501 }, {
502 .name = "target",
503 .type = QEMU_OPT_STRING,
504 }, {
505 .name = "arg",
506 .type = QEMU_OPT_STRING,
507 },
508 { /* end of list */ }
509 },
510 };
511
512 static QemuOptsList qemu_fw_cfg_opts = {
513 .name = "fw_cfg",
514 .implied_opt_name = "name",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
516 .desc = {
517 {
518 .name = "name",
519 .type = QEMU_OPT_STRING,
520 .help = "Sets the fw_cfg name of the blob to be inserted",
521 }, {
522 .name = "file",
523 .type = QEMU_OPT_STRING,
524 .help = "Sets the name of the file from which\n"
525 "the fw_cfg blob will be loaded",
526 }, {
527 .name = "string",
528 .type = QEMU_OPT_STRING,
529 .help = "Sets content of the blob to be inserted from a string",
530 },
531 { /* end of list */ }
532 },
533 };
534
535 /**
536 * Get machine options
537 *
538 * Returns: machine options (never null).
539 */
540 QemuOpts *qemu_get_machine_opts(void)
541 {
542 return qemu_find_opts_singleton("machine");
543 }
544
545 const char *qemu_get_vm_name(void)
546 {
547 return qemu_name;
548 }
549
550 static void res_free(void)
551 {
552 g_free(boot_splash_filedata);
553 boot_splash_filedata = NULL;
554 }
555
556 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
557 {
558 const char *driver = qemu_opt_get(opts, "driver");
559 int i;
560
561 if (!driver)
562 return 0;
563 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
564 if (strcmp(default_list[i].driver, driver) != 0)
565 continue;
566 *(default_list[i].flag) = 0;
567 }
568 return 0;
569 }
570
571 /***********************************************************/
572 /* QEMU state */
573
574 static RunState current_run_state = RUN_STATE_PRELAUNCH;
575
576 /* We use RUN_STATE__MAX but any invalid value will do */
577 static RunState vmstop_requested = RUN_STATE__MAX;
578 static QemuMutex vmstop_lock;
579
580 typedef struct {
581 RunState from;
582 RunState to;
583 } RunStateTransition;
584
585 static const RunStateTransition runstate_transitions_def[] = {
586 /* from -> to */
587 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
588 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
589
590 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
591 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
592 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
594 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
595 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
597 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
598 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618
619 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
620
621 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
622 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
624 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
625 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
628 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
629 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
630 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
631
632 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
633
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
643 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
646 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
647
648 { RUN_STATE__MAX, RUN_STATE__MAX },
649 };
650
651 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
652
653 bool runstate_check(RunState state)
654 {
655 return current_run_state == state;
656 }
657
658 bool runstate_store(char *str, size_t size)
659 {
660 const char *state = RunState_lookup[current_run_state];
661 size_t len = strlen(state) + 1;
662
663 if (len > size) {
664 return false;
665 }
666 memcpy(str, state, len);
667 return true;
668 }
669
670 static void runstate_init(void)
671 {
672 const RunStateTransition *p;
673
674 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
675 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
676 runstate_valid_transitions[p->from][p->to] = true;
677 }
678
679 qemu_mutex_init(&vmstop_lock);
680 }
681
682 /* This function will abort() on invalid state transitions */
683 void runstate_set(RunState new_state)
684 {
685 assert(new_state < RUN_STATE__MAX);
686
687 if (!runstate_valid_transitions[current_run_state][new_state]) {
688 error_report("invalid runstate transition: '%s' -> '%s'",
689 RunState_lookup[current_run_state],
690 RunState_lookup[new_state]);
691 abort();
692 }
693 trace_runstate_set(new_state);
694 current_run_state = new_state;
695 }
696
697 int runstate_is_running(void)
698 {
699 return runstate_check(RUN_STATE_RUNNING);
700 }
701
702 bool runstate_needs_reset(void)
703 {
704 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
705 runstate_check(RUN_STATE_SHUTDOWN);
706 }
707
708 StatusInfo *qmp_query_status(Error **errp)
709 {
710 StatusInfo *info = g_malloc0(sizeof(*info));
711
712 info->running = runstate_is_running();
713 info->singlestep = singlestep;
714 info->status = current_run_state;
715
716 return info;
717 }
718
719 static bool qemu_vmstop_requested(RunState *r)
720 {
721 qemu_mutex_lock(&vmstop_lock);
722 *r = vmstop_requested;
723 vmstop_requested = RUN_STATE__MAX;
724 qemu_mutex_unlock(&vmstop_lock);
725 return *r < RUN_STATE__MAX;
726 }
727
728 void qemu_system_vmstop_request_prepare(void)
729 {
730 qemu_mutex_lock(&vmstop_lock);
731 }
732
733 void qemu_system_vmstop_request(RunState state)
734 {
735 vmstop_requested = state;
736 qemu_mutex_unlock(&vmstop_lock);
737 qemu_notify_event();
738 }
739
740 void vm_start(void)
741 {
742 RunState requested;
743
744 qemu_vmstop_requested(&requested);
745 if (runstate_is_running() && requested == RUN_STATE__MAX) {
746 return;
747 }
748
749 /* Ensure that a STOP/RESUME pair of events is emitted if a
750 * vmstop request was pending. The BLOCK_IO_ERROR event, for
751 * example, according to documentation is always followed by
752 * the STOP event.
753 */
754 if (runstate_is_running()) {
755 qapi_event_send_stop(&error_abort);
756 } else {
757 cpu_enable_ticks();
758 runstate_set(RUN_STATE_RUNNING);
759 vm_state_notify(1, RUN_STATE_RUNNING);
760 resume_all_vcpus();
761 }
762
763 qapi_event_send_resume(&error_abort);
764 }
765
766
767 /***********************************************************/
768 /* real time host monotonic timer */
769
770 static time_t qemu_time(void)
771 {
772 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
773 }
774
775 /***********************************************************/
776 /* host time/date access */
777 void qemu_get_timedate(struct tm *tm, int offset)
778 {
779 time_t ti = qemu_time();
780
781 ti += offset;
782 if (rtc_date_offset == -1) {
783 if (rtc_utc)
784 gmtime_r(&ti, tm);
785 else
786 localtime_r(&ti, tm);
787 } else {
788 ti -= rtc_date_offset;
789 gmtime_r(&ti, tm);
790 }
791 }
792
793 int qemu_timedate_diff(struct tm *tm)
794 {
795 time_t seconds;
796
797 if (rtc_date_offset == -1)
798 if (rtc_utc)
799 seconds = mktimegm(tm);
800 else {
801 struct tm tmp = *tm;
802 tmp.tm_isdst = -1; /* use timezone to figure it out */
803 seconds = mktime(&tmp);
804 }
805 else
806 seconds = mktimegm(tm) + rtc_date_offset;
807
808 return seconds - qemu_time();
809 }
810
811 static void configure_rtc_date_offset(const char *startdate, int legacy)
812 {
813 time_t rtc_start_date;
814 struct tm tm;
815
816 if (!strcmp(startdate, "now") && legacy) {
817 rtc_date_offset = -1;
818 } else {
819 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
820 &tm.tm_year,
821 &tm.tm_mon,
822 &tm.tm_mday,
823 &tm.tm_hour,
824 &tm.tm_min,
825 &tm.tm_sec) == 6) {
826 /* OK */
827 } else if (sscanf(startdate, "%d-%d-%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday) == 3) {
831 tm.tm_hour = 0;
832 tm.tm_min = 0;
833 tm.tm_sec = 0;
834 } else {
835 goto date_fail;
836 }
837 tm.tm_year -= 1900;
838 tm.tm_mon--;
839 rtc_start_date = mktimegm(&tm);
840 if (rtc_start_date == -1) {
841 date_fail:
842 error_report("invalid date format");
843 error_printf("valid formats: "
844 "'2006-06-17T16:01:21' or '2006-06-17'\n");
845 exit(1);
846 }
847 rtc_date_offset = qemu_time() - rtc_start_date;
848 }
849 }
850
851 static void configure_rtc(QemuOpts *opts)
852 {
853 const char *value;
854
855 value = qemu_opt_get(opts, "base");
856 if (value) {
857 if (!strcmp(value, "utc")) {
858 rtc_utc = 1;
859 } else if (!strcmp(value, "localtime")) {
860 Error *blocker = NULL;
861 rtc_utc = 0;
862 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
863 "-rtc base=localtime");
864 replay_add_blocker(blocker);
865 } else {
866 configure_rtc_date_offset(value, 0);
867 }
868 }
869 value = qemu_opt_get(opts, "clock");
870 if (value) {
871 if (!strcmp(value, "host")) {
872 rtc_clock = QEMU_CLOCK_HOST;
873 } else if (!strcmp(value, "rt")) {
874 rtc_clock = QEMU_CLOCK_REALTIME;
875 } else if (!strcmp(value, "vm")) {
876 rtc_clock = QEMU_CLOCK_VIRTUAL;
877 } else {
878 error_report("invalid option value '%s'", value);
879 exit(1);
880 }
881 }
882 value = qemu_opt_get(opts, "driftfix");
883 if (value) {
884 if (!strcmp(value, "slew")) {
885 static GlobalProperty slew_lost_ticks[] = {
886 {
887 .driver = "mc146818rtc",
888 .property = "lost_tick_policy",
889 .value = "slew",
890 },
891 { /* end of list */ }
892 };
893
894 qdev_prop_register_global_list(slew_lost_ticks);
895 } else if (!strcmp(value, "none")) {
896 /* discard is default */
897 } else {
898 error_report("invalid option value '%s'", value);
899 exit(1);
900 }
901 }
902 }
903
904 /***********************************************************/
905 /* Bluetooth support */
906 static int nb_hcis;
907 static int cur_hci;
908 static struct HCIInfo *hci_table[MAX_NICS];
909
910 struct HCIInfo *qemu_next_hci(void)
911 {
912 if (cur_hci == nb_hcis)
913 return &null_hci;
914
915 return hci_table[cur_hci++];
916 }
917
918 static int bt_hci_parse(const char *str)
919 {
920 struct HCIInfo *hci;
921 bdaddr_t bdaddr;
922
923 if (nb_hcis >= MAX_NICS) {
924 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
925 return -1;
926 }
927
928 hci = hci_init(str);
929 if (!hci)
930 return -1;
931
932 bdaddr.b[0] = 0x52;
933 bdaddr.b[1] = 0x54;
934 bdaddr.b[2] = 0x00;
935 bdaddr.b[3] = 0x12;
936 bdaddr.b[4] = 0x34;
937 bdaddr.b[5] = 0x56 + nb_hcis;
938 hci->bdaddr_set(hci, bdaddr.b);
939
940 hci_table[nb_hcis++] = hci;
941
942 return 0;
943 }
944
945 static void bt_vhci_add(int vlan_id)
946 {
947 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
948
949 if (!vlan->slave)
950 error_report("warning: adding a VHCI to an empty scatternet %i",
951 vlan_id);
952
953 bt_vhci_init(bt_new_hci(vlan));
954 }
955
956 static struct bt_device_s *bt_device_add(const char *opt)
957 {
958 struct bt_scatternet_s *vlan;
959 int vlan_id = 0;
960 char *endp = strstr(opt, ",vlan=");
961 int len = (endp ? endp - opt : strlen(opt)) + 1;
962 char devname[10];
963
964 pstrcpy(devname, MIN(sizeof(devname), len), opt);
965
966 if (endp) {
967 vlan_id = strtol(endp + 6, &endp, 0);
968 if (*endp) {
969 error_report("unrecognised bluetooth vlan Id");
970 return 0;
971 }
972 }
973
974 vlan = qemu_find_bt_vlan(vlan_id);
975
976 if (!vlan->slave)
977 error_report("warning: adding a slave device to an empty scatternet %i",
978 vlan_id);
979
980 if (!strcmp(devname, "keyboard"))
981 return bt_keyboard_init(vlan);
982
983 error_report("unsupported bluetooth device '%s'", devname);
984 return 0;
985 }
986
987 static int bt_parse(const char *opt)
988 {
989 const char *endp, *p;
990 int vlan;
991
992 if (strstart(opt, "hci", &endp)) {
993 if (!*endp || *endp == ',') {
994 if (*endp)
995 if (!strstart(endp, ",vlan=", 0))
996 opt = endp + 1;
997
998 return bt_hci_parse(opt);
999 }
1000 } else if (strstart(opt, "vhci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp) {
1003 if (strstart(endp, ",vlan=", &p)) {
1004 vlan = strtol(p, (char **) &endp, 0);
1005 if (*endp) {
1006 error_report("bad scatternet '%s'", p);
1007 return 1;
1008 }
1009 } else {
1010 error_report("bad parameter '%s'", endp + 1);
1011 return 1;
1012 }
1013 } else
1014 vlan = 0;
1015
1016 bt_vhci_add(vlan);
1017 return 0;
1018 }
1019 } else if (strstart(opt, "device:", &endp))
1020 return !bt_device_add(endp);
1021
1022 error_report("bad bluetooth parameter '%s'", opt);
1023 return 1;
1024 }
1025
1026 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1027 {
1028 /* FIXME: change this to true for 1.3 */
1029 if (qemu_opt_get_bool(opts, "enable", false)) {
1030 #ifdef CONFIG_SECCOMP
1031 if (seccomp_start() < 0) {
1032 error_report("failed to install seccomp syscall filter "
1033 "in the kernel");
1034 return -1;
1035 }
1036 #else
1037 error_report("seccomp support is disabled");
1038 return -1;
1039 #endif
1040 }
1041
1042 return 0;
1043 }
1044
1045 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1046 {
1047 const char *proc_name;
1048
1049 if (qemu_opt_get(opts, "debug-threads")) {
1050 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1051 }
1052 qemu_name = qemu_opt_get(opts, "guest");
1053
1054 proc_name = qemu_opt_get(opts, "process");
1055 if (proc_name) {
1056 os_set_proc_name(proc_name);
1057 }
1058
1059 return 0;
1060 }
1061
1062 bool defaults_enabled(void)
1063 {
1064 return has_defaults;
1065 }
1066
1067 bool usb_enabled(void)
1068 {
1069 return machine_usb(current_machine);
1070 }
1071
1072 #ifndef _WIN32
1073 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 int fd, dupfd, flags;
1076 int64_t fdset_id;
1077 const char *fd_opaque = NULL;
1078 AddfdInfo *fdinfo;
1079
1080 fd = qemu_opt_get_number(opts, "fd", -1);
1081 fdset_id = qemu_opt_get_number(opts, "set", -1);
1082 fd_opaque = qemu_opt_get(opts, "opaque");
1083
1084 if (fd < 0) {
1085 error_report("fd option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 if (fd <= STDERR_FILENO) {
1090 error_report("fd cannot be a standard I/O stream");
1091 return -1;
1092 }
1093
1094 /*
1095 * All fds inherited across exec() necessarily have FD_CLOEXEC
1096 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 */
1098 flags = fcntl(fd, F_GETFD);
1099 if (flags == -1 || (flags & FD_CLOEXEC)) {
1100 error_report("fd is not valid or already in use");
1101 return -1;
1102 }
1103
1104 if (fdset_id < 0) {
1105 error_report("set option is required and must be non-negative");
1106 return -1;
1107 }
1108
1109 #ifdef F_DUPFD_CLOEXEC
1110 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1111 #else
1112 dupfd = dup(fd);
1113 if (dupfd != -1) {
1114 qemu_set_cloexec(dupfd);
1115 }
1116 #endif
1117 if (dupfd == -1) {
1118 error_report("error duplicating fd: %s", strerror(errno));
1119 return -1;
1120 }
1121
1122 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1123 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1124 &error_abort);
1125 g_free(fdinfo);
1126
1127 return 0;
1128 }
1129
1130 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1131 {
1132 int fd;
1133
1134 fd = qemu_opt_get_number(opts, "fd", -1);
1135 close(fd);
1136
1137 return 0;
1138 }
1139 #endif
1140
1141 /***********************************************************/
1142 /* QEMU Block devices */
1143
1144 #define HD_OPTS "media=disk"
1145 #define CDROM_OPTS "media=cdrom"
1146 #define FD_OPTS ""
1147 #define PFLASH_OPTS ""
1148 #define MTD_OPTS ""
1149 #define SD_OPTS ""
1150
1151 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 BlockInterfaceType *block_default_type = opaque;
1154
1155 return drive_new(opts, *block_default_type) == NULL;
1156 }
1157
1158 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 if (qemu_opt_get(opts, "snapshot") == NULL) {
1161 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1162 }
1163 return 0;
1164 }
1165
1166 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1167 int index, const char *optstr)
1168 {
1169 QemuOpts *opts;
1170 DriveInfo *dinfo;
1171
1172 if (!enable || drive_get_by_index(type, index)) {
1173 return;
1174 }
1175
1176 opts = drive_add(type, index, NULL, optstr);
1177 if (snapshot) {
1178 drive_enable_snapshot(NULL, opts, NULL);
1179 }
1180
1181 dinfo = drive_new(opts, type);
1182 if (!dinfo) {
1183 exit(1);
1184 }
1185 dinfo->is_default = true;
1186
1187 }
1188
1189 static QemuOptsList qemu_smp_opts = {
1190 .name = "smp-opts",
1191 .implied_opt_name = "cpus",
1192 .merge_lists = true,
1193 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1194 .desc = {
1195 {
1196 .name = "cpus",
1197 .type = QEMU_OPT_NUMBER,
1198 }, {
1199 .name = "sockets",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "cores",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "threads",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "maxcpus",
1209 .type = QEMU_OPT_NUMBER,
1210 },
1211 { /*End of list */ }
1212 },
1213 };
1214
1215 static void smp_parse(QemuOpts *opts)
1216 {
1217 if (opts) {
1218
1219 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1220 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1221 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1222 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1223
1224 /* compute missing values, prefer sockets over cores over threads */
1225 if (cpus == 0 || sockets == 0) {
1226 sockets = sockets > 0 ? sockets : 1;
1227 cores = cores > 0 ? cores : 1;
1228 threads = threads > 0 ? threads : 1;
1229 if (cpus == 0) {
1230 cpus = cores * threads * sockets;
1231 }
1232 } else if (cores == 0) {
1233 threads = threads > 0 ? threads : 1;
1234 cores = cpus / (sockets * threads);
1235 } else if (threads == 0) {
1236 threads = cpus / (cores * sockets);
1237 } else if (sockets * cores * threads < cpus) {
1238 error_report("cpu topology: "
1239 "sockets (%u) * cores (%u) * threads (%u) < "
1240 "smp_cpus (%u)",
1241 sockets, cores, threads, cpus);
1242 exit(1);
1243 }
1244
1245 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1246 if (sockets * cores * threads > max_cpus) {
1247 error_report("cpu topology: "
1248 "sockets (%u) * cores (%u) * threads (%u) > "
1249 "maxcpus (%u)",
1250 sockets, cores, threads, max_cpus);
1251 exit(1);
1252 }
1253
1254 smp_cpus = cpus;
1255 smp_cores = cores > 0 ? cores : 1;
1256 smp_threads = threads > 0 ? threads : 1;
1257
1258 }
1259
1260 if (max_cpus == 0) {
1261 max_cpus = smp_cpus;
1262 }
1263
1264 if (max_cpus > MAX_CPUMASK_BITS) {
1265 error_report("unsupported number of maxcpus");
1266 exit(1);
1267 }
1268 if (max_cpus < smp_cpus) {
1269 error_report("maxcpus must be equal to or greater than smp");
1270 exit(1);
1271 }
1272
1273 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1274 Error *blocker = NULL;
1275 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1276 replay_add_blocker(blocker);
1277 }
1278 }
1279
1280 static void realtime_init(void)
1281 {
1282 if (enable_mlock) {
1283 if (os_mlock() < 0) {
1284 error_report("locking memory failed");
1285 exit(1);
1286 }
1287 }
1288 }
1289
1290
1291 static void configure_msg(QemuOpts *opts)
1292 {
1293 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1294 }
1295
1296 /***********************************************************/
1297 /* Semihosting */
1298
1299 typedef struct SemihostingConfig {
1300 bool enabled;
1301 SemihostingTarget target;
1302 const char **argv;
1303 int argc;
1304 const char *cmdline; /* concatenated argv */
1305 } SemihostingConfig;
1306
1307 static SemihostingConfig semihosting;
1308
1309 bool semihosting_enabled(void)
1310 {
1311 return semihosting.enabled;
1312 }
1313
1314 SemihostingTarget semihosting_get_target(void)
1315 {
1316 return semihosting.target;
1317 }
1318
1319 const char *semihosting_get_arg(int i)
1320 {
1321 if (i >= semihosting.argc) {
1322 return NULL;
1323 }
1324 return semihosting.argv[i];
1325 }
1326
1327 int semihosting_get_argc(void)
1328 {
1329 return semihosting.argc;
1330 }
1331
1332 const char *semihosting_get_cmdline(void)
1333 {
1334 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1335 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1336 }
1337 return semihosting.cmdline;
1338 }
1339
1340 static int add_semihosting_arg(void *opaque,
1341 const char *name, const char *val,
1342 Error **errp)
1343 {
1344 SemihostingConfig *s = opaque;
1345 if (strcmp(name, "arg") == 0) {
1346 s->argc++;
1347 /* one extra element as g_strjoinv() expects NULL-terminated array */
1348 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1349 s->argv[s->argc - 1] = val;
1350 s->argv[s->argc] = NULL;
1351 }
1352 return 0;
1353 }
1354
1355 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1356 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1357 {
1358 char *cmd_token;
1359
1360 /* argv[0] */
1361 add_semihosting_arg(&semihosting, "arg", file, NULL);
1362
1363 /* split -append and initialize argv[1..n] */
1364 cmd_token = strtok(g_strdup(cmd), " ");
1365 while (cmd_token) {
1366 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1367 cmd_token = strtok(NULL, " ");
1368 }
1369 }
1370
1371 /* Now we still need this for compatibility with XEN. */
1372 bool has_igd_gfx_passthru;
1373 static void igd_gfx_passthru(void)
1374 {
1375 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1376 }
1377
1378 /***********************************************************/
1379 /* USB devices */
1380
1381 static int usb_device_add(const char *devname)
1382 {
1383 USBDevice *dev = NULL;
1384 #ifndef CONFIG_LINUX
1385 const char *p;
1386 #endif
1387
1388 if (!usb_enabled()) {
1389 return -1;
1390 }
1391
1392 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1393 dev = usbdevice_create(devname);
1394 if (dev)
1395 goto done;
1396
1397 /* the other ones */
1398 #ifndef CONFIG_LINUX
1399 /* only the linux version is qdev-ified, usb-bsd still needs this */
1400 if (strstart(devname, "host:", &p)) {
1401 dev = usb_host_device_open(usb_bus_find(-1), p);
1402 }
1403 #endif
1404 if (!dev)
1405 return -1;
1406
1407 done:
1408 return 0;
1409 }
1410
1411 static int usb_device_del(const char *devname)
1412 {
1413 int bus_num, addr;
1414 const char *p;
1415
1416 if (strstart(devname, "host:", &p)) {
1417 return -1;
1418 }
1419
1420 if (!usb_enabled()) {
1421 return -1;
1422 }
1423
1424 p = strchr(devname, '.');
1425 if (!p)
1426 return -1;
1427 bus_num = strtoul(devname, NULL, 0);
1428 addr = strtoul(p + 1, NULL, 0);
1429
1430 return usb_device_delete_addr(bus_num, addr);
1431 }
1432
1433 static int usb_parse(const char *cmdline)
1434 {
1435 int r;
1436 r = usb_device_add(cmdline);
1437 if (r < 0) {
1438 error_report("could not add USB device '%s'", cmdline);
1439 }
1440 return r;
1441 }
1442
1443 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1444 {
1445 const char *devname = qdict_get_str(qdict, "devname");
1446 if (usb_device_add(devname) < 0) {
1447 error_report("could not add USB device '%s'", devname);
1448 }
1449 }
1450
1451 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_del(devname) < 0) {
1455 error_report("could not delete USB device '%s'", devname);
1456 }
1457 }
1458
1459 /***********************************************************/
1460 /* machine registration */
1461
1462 MachineState *current_machine;
1463
1464 static MachineClass *find_machine(const char *name)
1465 {
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineClass *mc = NULL;
1468
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *temp = el->data;
1471
1472 if (!strcmp(temp->name, name)) {
1473 mc = temp;
1474 break;
1475 }
1476 if (temp->alias &&
1477 !strcmp(temp->alias, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 }
1482
1483 g_slist_free(machines);
1484 return mc;
1485 }
1486
1487 MachineClass *find_default_machine(void)
1488 {
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineClass *mc = NULL;
1491
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *temp = el->data;
1494
1495 if (temp->is_default) {
1496 mc = temp;
1497 break;
1498 }
1499 }
1500
1501 g_slist_free(machines);
1502 return mc;
1503 }
1504
1505 MachineInfoList *qmp_query_machines(Error **errp)
1506 {
1507 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1508 MachineInfoList *mach_list = NULL;
1509
1510 for (el = machines; el; el = el->next) {
1511 MachineClass *mc = el->data;
1512 MachineInfoList *entry;
1513 MachineInfo *info;
1514
1515 info = g_malloc0(sizeof(*info));
1516 if (mc->is_default) {
1517 info->has_is_default = true;
1518 info->is_default = true;
1519 }
1520
1521 if (mc->alias) {
1522 info->has_alias = true;
1523 info->alias = g_strdup(mc->alias);
1524 }
1525
1526 info->name = g_strdup(mc->name);
1527 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 g_slist_free(machines);
1536 return mach_list;
1537 }
1538
1539 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1540 {
1541 ObjectProperty *prop;
1542 ObjectPropertyIterator iter;
1543
1544 if (!qemu_opt_has_help_opt(opts)) {
1545 return 0;
1546 }
1547
1548 object_property_iter_init(&iter, OBJECT(machine));
1549 while ((prop = object_property_iter_next(&iter))) {
1550 if (!prop->set) {
1551 continue;
1552 }
1553
1554 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1555 prop->name, prop->type);
1556 if (prop->description) {
1557 error_printf(" (%s)\n", prop->description);
1558 } else {
1559 error_printf("\n");
1560 }
1561 }
1562
1563 return 1;
1564 }
1565
1566 /***********************************************************/
1567 /* main execution loop */
1568
1569 struct vm_change_state_entry {
1570 VMChangeStateHandler *cb;
1571 void *opaque;
1572 QLIST_ENTRY (vm_change_state_entry) entries;
1573 };
1574
1575 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1576
1577 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1578 void *opaque)
1579 {
1580 VMChangeStateEntry *e;
1581
1582 e = g_malloc0(sizeof (*e));
1583
1584 e->cb = cb;
1585 e->opaque = opaque;
1586 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1587 return e;
1588 }
1589
1590 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1591 {
1592 QLIST_REMOVE (e, entries);
1593 g_free (e);
1594 }
1595
1596 void vm_state_notify(int running, RunState state)
1597 {
1598 VMChangeStateEntry *e, *next;
1599
1600 trace_vm_state_notify(running, state);
1601
1602 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1603 e->cb(e->opaque, running, state);
1604 }
1605 }
1606
1607 /* reset/shutdown handler */
1608
1609 typedef struct QEMUResetEntry {
1610 QTAILQ_ENTRY(QEMUResetEntry) entry;
1611 QEMUResetHandler *func;
1612 void *opaque;
1613 } QEMUResetEntry;
1614
1615 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1616 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1617 static int reset_requested;
1618 static int shutdown_requested, shutdown_signal = -1;
1619 static pid_t shutdown_pid;
1620 static int powerdown_requested;
1621 static int debug_requested;
1622 static int suspend_requested;
1623 static WakeupReason wakeup_reason;
1624 static NotifierList powerdown_notifiers =
1625 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1626 static NotifierList suspend_notifiers =
1627 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1628 static NotifierList wakeup_notifiers =
1629 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1630 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1631
1632 int qemu_shutdown_requested_get(void)
1633 {
1634 return shutdown_requested;
1635 }
1636
1637 int qemu_reset_requested_get(void)
1638 {
1639 return reset_requested;
1640 }
1641
1642 static int qemu_shutdown_requested(void)
1643 {
1644 return atomic_xchg(&shutdown_requested, 0);
1645 }
1646
1647 static void qemu_kill_report(void)
1648 {
1649 if (!qtest_driver() && shutdown_signal != -1) {
1650 if (shutdown_pid == 0) {
1651 /* This happens for eg ^C at the terminal, so it's worth
1652 * avoiding printing an odd message in that case.
1653 */
1654 error_report("terminating on signal %d", shutdown_signal);
1655 } else {
1656 error_report("terminating on signal %d from pid " FMT_pid,
1657 shutdown_signal, shutdown_pid);
1658 }
1659 shutdown_signal = -1;
1660 }
1661 }
1662
1663 static int qemu_reset_requested(void)
1664 {
1665 int r = reset_requested;
1666 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1667 reset_requested = 0;
1668 return r;
1669 }
1670 return false;
1671 }
1672
1673 static int qemu_suspend_requested(void)
1674 {
1675 int r = suspend_requested;
1676 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1677 suspend_requested = 0;
1678 return r;
1679 }
1680 return false;
1681 }
1682
1683 static WakeupReason qemu_wakeup_requested(void)
1684 {
1685 return wakeup_reason;
1686 }
1687
1688 static int qemu_powerdown_requested(void)
1689 {
1690 int r = powerdown_requested;
1691 powerdown_requested = 0;
1692 return r;
1693 }
1694
1695 static int qemu_debug_requested(void)
1696 {
1697 int r = debug_requested;
1698 debug_requested = 0;
1699 return r;
1700 }
1701
1702 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1703 {
1704 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1705
1706 re->func = func;
1707 re->opaque = opaque;
1708 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1709 }
1710
1711 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1712 {
1713 QEMUResetEntry *re;
1714
1715 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1716 if (re->func == func && re->opaque == opaque) {
1717 QTAILQ_REMOVE(&reset_handlers, re, entry);
1718 g_free(re);
1719 return;
1720 }
1721 }
1722 }
1723
1724 void qemu_devices_reset(void)
1725 {
1726 QEMUResetEntry *re, *nre;
1727
1728 /* reset all devices */
1729 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1730 re->func(re->opaque);
1731 }
1732 }
1733
1734 void qemu_system_reset(bool report)
1735 {
1736 MachineClass *mc;
1737
1738 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1739
1740 if (mc && mc->reset) {
1741 mc->reset();
1742 } else {
1743 qemu_devices_reset();
1744 }
1745 if (report) {
1746 qapi_event_send_reset(&error_abort);
1747 }
1748 cpu_synchronize_all_post_reset();
1749 }
1750
1751 void qemu_system_guest_panicked(void)
1752 {
1753 if (current_cpu) {
1754 current_cpu->crash_occurred = true;
1755 }
1756 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1757 vm_stop(RUN_STATE_GUEST_PANICKED);
1758 }
1759
1760 void qemu_system_reset_request(void)
1761 {
1762 if (no_reboot) {
1763 shutdown_requested = 1;
1764 } else {
1765 reset_requested = 1;
1766 }
1767 cpu_stop_current();
1768 qemu_notify_event();
1769 }
1770
1771 static void qemu_system_suspend(void)
1772 {
1773 pause_all_vcpus();
1774 notifier_list_notify(&suspend_notifiers, NULL);
1775 runstate_set(RUN_STATE_SUSPENDED);
1776 qapi_event_send_suspend(&error_abort);
1777 }
1778
1779 void qemu_system_suspend_request(void)
1780 {
1781 if (runstate_check(RUN_STATE_SUSPENDED)) {
1782 return;
1783 }
1784 suspend_requested = 1;
1785 cpu_stop_current();
1786 qemu_notify_event();
1787 }
1788
1789 void qemu_register_suspend_notifier(Notifier *notifier)
1790 {
1791 notifier_list_add(&suspend_notifiers, notifier);
1792 }
1793
1794 void qemu_system_wakeup_request(WakeupReason reason)
1795 {
1796 trace_system_wakeup_request(reason);
1797
1798 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1799 return;
1800 }
1801 if (!(wakeup_reason_mask & (1 << reason))) {
1802 return;
1803 }
1804 runstate_set(RUN_STATE_RUNNING);
1805 wakeup_reason = reason;
1806 qemu_notify_event();
1807 }
1808
1809 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1810 {
1811 if (enabled) {
1812 wakeup_reason_mask |= (1 << reason);
1813 } else {
1814 wakeup_reason_mask &= ~(1 << reason);
1815 }
1816 }
1817
1818 void qemu_register_wakeup_notifier(Notifier *notifier)
1819 {
1820 notifier_list_add(&wakeup_notifiers, notifier);
1821 }
1822
1823 void qemu_system_killed(int signal, pid_t pid)
1824 {
1825 shutdown_signal = signal;
1826 shutdown_pid = pid;
1827 no_shutdown = 0;
1828
1829 /* Cannot call qemu_system_shutdown_request directly because
1830 * we are in a signal handler.
1831 */
1832 shutdown_requested = 1;
1833 qemu_notify_event();
1834 }
1835
1836 void qemu_system_shutdown_request(void)
1837 {
1838 trace_qemu_system_shutdown_request();
1839 replay_shutdown_request();
1840 shutdown_requested = 1;
1841 qemu_notify_event();
1842 }
1843
1844 static void qemu_system_powerdown(void)
1845 {
1846 qapi_event_send_powerdown(&error_abort);
1847 notifier_list_notify(&powerdown_notifiers, NULL);
1848 }
1849
1850 void qemu_system_powerdown_request(void)
1851 {
1852 trace_qemu_system_powerdown_request();
1853 powerdown_requested = 1;
1854 qemu_notify_event();
1855 }
1856
1857 void qemu_register_powerdown_notifier(Notifier *notifier)
1858 {
1859 notifier_list_add(&powerdown_notifiers, notifier);
1860 }
1861
1862 void qemu_system_debug_request(void)
1863 {
1864 debug_requested = 1;
1865 qemu_notify_event();
1866 }
1867
1868 static bool main_loop_should_exit(void)
1869 {
1870 RunState r;
1871 if (qemu_debug_requested()) {
1872 vm_stop(RUN_STATE_DEBUG);
1873 }
1874 if (qemu_suspend_requested()) {
1875 qemu_system_suspend();
1876 }
1877 if (qemu_shutdown_requested()) {
1878 qemu_kill_report();
1879 qapi_event_send_shutdown(&error_abort);
1880 if (no_shutdown) {
1881 vm_stop(RUN_STATE_SHUTDOWN);
1882 } else {
1883 return true;
1884 }
1885 }
1886 if (qemu_reset_requested()) {
1887 pause_all_vcpus();
1888 cpu_synchronize_all_states();
1889 qemu_system_reset(VMRESET_REPORT);
1890 resume_all_vcpus();
1891 if (runstate_needs_reset()) {
1892 runstate_set(RUN_STATE_PAUSED);
1893 }
1894 }
1895 if (qemu_wakeup_requested()) {
1896 pause_all_vcpus();
1897 cpu_synchronize_all_states();
1898 qemu_system_reset(VMRESET_SILENT);
1899 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1900 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1901 resume_all_vcpus();
1902 qapi_event_send_wakeup(&error_abort);
1903 }
1904 if (qemu_powerdown_requested()) {
1905 qemu_system_powerdown();
1906 }
1907 if (qemu_vmstop_requested(&r)) {
1908 vm_stop(r);
1909 }
1910 return false;
1911 }
1912
1913 static void main_loop(void)
1914 {
1915 bool nonblocking;
1916 int last_io = 0;
1917 #ifdef CONFIG_PROFILER
1918 int64_t ti;
1919 #endif
1920 do {
1921 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1922 #ifdef CONFIG_PROFILER
1923 ti = profile_getclock();
1924 #endif
1925 last_io = main_loop_wait(nonblocking);
1926 #ifdef CONFIG_PROFILER
1927 dev_time += profile_getclock() - ti;
1928 #endif
1929 } while (!main_loop_should_exit());
1930 }
1931
1932 static void version(void)
1933 {
1934 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1935 }
1936
1937 static void help(int exitcode)
1938 {
1939 version();
1940 printf("usage: %s [options] [disk_image]\n\n"
1941 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1942 error_get_progname());
1943
1944 #define QEMU_OPTIONS_GENERATE_HELP
1945 #include "qemu-options-wrapper.h"
1946
1947 printf("\nDuring emulation, the following keys are useful:\n"
1948 "ctrl-alt-f toggle full screen\n"
1949 "ctrl-alt-n switch to virtual console 'n'\n"
1950 "ctrl-alt toggle mouse and keyboard grab\n"
1951 "\n"
1952 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1953
1954 exit(exitcode);
1955 }
1956
1957 #define HAS_ARG 0x0001
1958
1959 typedef struct QEMUOption {
1960 const char *name;
1961 int flags;
1962 int index;
1963 uint32_t arch_mask;
1964 } QEMUOption;
1965
1966 static const QEMUOption qemu_options[] = {
1967 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1968 #define QEMU_OPTIONS_GENERATE_OPTIONS
1969 #include "qemu-options-wrapper.h"
1970 { NULL },
1971 };
1972
1973 static bool vga_available(void)
1974 {
1975 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1976 }
1977
1978 static bool cirrus_vga_available(void)
1979 {
1980 return object_class_by_name("cirrus-vga")
1981 || object_class_by_name("isa-cirrus-vga");
1982 }
1983
1984 static bool vmware_vga_available(void)
1985 {
1986 return object_class_by_name("vmware-svga");
1987 }
1988
1989 static bool qxl_vga_available(void)
1990 {
1991 return object_class_by_name("qxl-vga");
1992 }
1993
1994 static bool tcx_vga_available(void)
1995 {
1996 return object_class_by_name("SUNW,tcx");
1997 }
1998
1999 static bool cg3_vga_available(void)
2000 {
2001 return object_class_by_name("cgthree");
2002 }
2003
2004 static bool virtio_vga_available(void)
2005 {
2006 return object_class_by_name("virtio-vga");
2007 }
2008
2009 static void select_vgahw (const char *p)
2010 {
2011 const char *opts;
2012
2013 assert(vga_interface_type == VGA_NONE);
2014 if (strstart(p, "std", &opts)) {
2015 if (vga_available()) {
2016 vga_interface_type = VGA_STD;
2017 } else {
2018 error_report("standard VGA not available");
2019 exit(0);
2020 }
2021 } else if (strstart(p, "cirrus", &opts)) {
2022 if (cirrus_vga_available()) {
2023 vga_interface_type = VGA_CIRRUS;
2024 } else {
2025 error_report("Cirrus VGA not available");
2026 exit(0);
2027 }
2028 } else if (strstart(p, "vmware", &opts)) {
2029 if (vmware_vga_available()) {
2030 vga_interface_type = VGA_VMWARE;
2031 } else {
2032 error_report("VMWare SVGA not available");
2033 exit(0);
2034 }
2035 } else if (strstart(p, "virtio", &opts)) {
2036 if (virtio_vga_available()) {
2037 vga_interface_type = VGA_VIRTIO;
2038 } else {
2039 error_report("Virtio VGA not available");
2040 exit(0);
2041 }
2042 } else if (strstart(p, "xenfb", &opts)) {
2043 vga_interface_type = VGA_XENFB;
2044 } else if (strstart(p, "qxl", &opts)) {
2045 if (qxl_vga_available()) {
2046 vga_interface_type = VGA_QXL;
2047 } else {
2048 error_report("QXL VGA not available");
2049 exit(0);
2050 }
2051 } else if (strstart(p, "tcx", &opts)) {
2052 if (tcx_vga_available()) {
2053 vga_interface_type = VGA_TCX;
2054 } else {
2055 error_report("TCX framebuffer not available");
2056 exit(0);
2057 }
2058 } else if (strstart(p, "cg3", &opts)) {
2059 if (cg3_vga_available()) {
2060 vga_interface_type = VGA_CG3;
2061 } else {
2062 error_report("CG3 framebuffer not available");
2063 exit(0);
2064 }
2065 } else if (!strstart(p, "none", &opts)) {
2066 invalid_vga:
2067 error_report("unknown vga type: %s", p);
2068 exit(1);
2069 }
2070 while (*opts) {
2071 const char *nextopt;
2072
2073 if (strstart(opts, ",retrace=", &nextopt)) {
2074 opts = nextopt;
2075 if (strstart(opts, "dumb", &nextopt))
2076 vga_retrace_method = VGA_RETRACE_DUMB;
2077 else if (strstart(opts, "precise", &nextopt))
2078 vga_retrace_method = VGA_RETRACE_PRECISE;
2079 else goto invalid_vga;
2080 } else goto invalid_vga;
2081 opts = nextopt;
2082 }
2083 }
2084
2085 static DisplayType select_display(const char *p)
2086 {
2087 const char *opts;
2088 DisplayType display = DT_DEFAULT;
2089
2090 if (strstart(p, "sdl", &opts)) {
2091 #ifdef CONFIG_SDL
2092 display = DT_SDL;
2093 while (*opts) {
2094 const char *nextopt;
2095
2096 if (strstart(opts, ",frame=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 no_frame = 0;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 no_frame = 1;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 alt_grab = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 alt_grab = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 ctrl_grab = 1;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 ctrl_grab = 0;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",window_close=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 no_quit = 0;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 no_quit = 1;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",gl=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 request_opengl = 1;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 request_opengl = 0;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else {
2142 invalid_sdl_args:
2143 error_report("invalid SDL option string");
2144 exit(1);
2145 }
2146 opts = nextopt;
2147 }
2148 #else
2149 error_report("SDL support is disabled");
2150 exit(1);
2151 #endif
2152 } else if (strstart(p, "vnc", &opts)) {
2153 #ifdef CONFIG_VNC
2154 if (*opts == '=') {
2155 Error *err = NULL;
2156 if (vnc_parse(opts + 1, &err) == NULL) {
2157 error_report_err(err);
2158 exit(1);
2159 }
2160 } else {
2161 error_report("VNC requires a display argument vnc=<display>");
2162 exit(1);
2163 }
2164 #else
2165 error_report("VNC support is disabled");
2166 exit(1);
2167 #endif
2168 } else if (strstart(p, "curses", &opts)) {
2169 #ifdef CONFIG_CURSES
2170 display = DT_CURSES;
2171 #else
2172 error_report("curses support is disabled");
2173 exit(1);
2174 #endif
2175 } else if (strstart(p, "gtk", &opts)) {
2176 #ifdef CONFIG_GTK
2177 display = DT_GTK;
2178 while (*opts) {
2179 const char *nextopt;
2180
2181 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2182 opts = nextopt;
2183 if (strstart(opts, "on", &nextopt)) {
2184 grab_on_hover = true;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 grab_on_hover = false;
2187 } else {
2188 goto invalid_gtk_args;
2189 }
2190 } else if (strstart(opts, ",gl=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "on", &nextopt)) {
2193 request_opengl = 1;
2194 } else if (strstart(opts, "off", &nextopt)) {
2195 request_opengl = 0;
2196 } else {
2197 goto invalid_gtk_args;
2198 }
2199 } else {
2200 invalid_gtk_args:
2201 error_report("invalid GTK option string");
2202 exit(1);
2203 }
2204 opts = nextopt;
2205 }
2206 #else
2207 error_report("GTK support is disabled");
2208 exit(1);
2209 #endif
2210 } else if (strstart(p, "none", &opts)) {
2211 display = DT_NONE;
2212 } else {
2213 error_report("unknown display type");
2214 exit(1);
2215 }
2216
2217 return display;
2218 }
2219
2220 static int balloon_parse(const char *arg)
2221 {
2222 QemuOpts *opts;
2223
2224 if (strcmp(arg, "none") == 0) {
2225 return 0;
2226 }
2227
2228 if (!strncmp(arg, "virtio", 6)) {
2229 if (arg[6] == ',') {
2230 /* have params -> parse them */
2231 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2232 false);
2233 if (!opts)
2234 return -1;
2235 } else {
2236 /* create empty opts */
2237 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2238 &error_abort);
2239 }
2240 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2241 return 0;
2242 }
2243
2244 return -1;
2245 }
2246
2247 char *qemu_find_file(int type, const char *name)
2248 {
2249 int i;
2250 const char *subdir;
2251 char *buf;
2252
2253 /* Try the name as a straight path first */
2254 if (access(name, R_OK) == 0) {
2255 trace_load_file(name, name);
2256 return g_strdup(name);
2257 }
2258
2259 switch (type) {
2260 case QEMU_FILE_TYPE_BIOS:
2261 subdir = "";
2262 break;
2263 case QEMU_FILE_TYPE_KEYMAP:
2264 subdir = "keymaps/";
2265 break;
2266 default:
2267 abort();
2268 }
2269
2270 for (i = 0; i < data_dir_idx; i++) {
2271 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2272 if (access(buf, R_OK) == 0) {
2273 trace_load_file(name, buf);
2274 return buf;
2275 }
2276 g_free(buf);
2277 }
2278 return NULL;
2279 }
2280
2281 static inline bool nonempty_str(const char *str)
2282 {
2283 return str && *str;
2284 }
2285
2286 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2287 {
2288 gchar *buf;
2289 size_t size;
2290 const char *name, *file, *str;
2291
2292 if (opaque == NULL) {
2293 error_report("fw_cfg device not available");
2294 return -1;
2295 }
2296 name = qemu_opt_get(opts, "name");
2297 file = qemu_opt_get(opts, "file");
2298 str = qemu_opt_get(opts, "string");
2299
2300 /* we need name and either a file or the content string */
2301 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2302 error_report("invalid argument(s)");
2303 return -1;
2304 }
2305 if (nonempty_str(file) && nonempty_str(str)) {
2306 error_report("file and string are mutually exclusive");
2307 return -1;
2308 }
2309 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2310 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2311 return -1;
2312 }
2313 if (strncmp(name, "opt/", 4) != 0) {
2314 error_report("warning: externally provided fw_cfg item names "
2315 "should be prefixed with \"opt/\"");
2316 }
2317 if (nonempty_str(str)) {
2318 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2319 buf = g_memdup(str, size);
2320 } else {
2321 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2322 error_report("can't load %s", file);
2323 return -1;
2324 }
2325 }
2326 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2327 return 0;
2328 }
2329
2330 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 return qdev_device_help(opts);
2333 }
2334
2335 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2336 {
2337 Error *err = NULL;
2338 DeviceState *dev;
2339
2340 dev = qdev_device_add(opts, &err);
2341 if (!dev) {
2342 error_report_err(err);
2343 return -1;
2344 }
2345 object_unref(OBJECT(dev));
2346 return 0;
2347 }
2348
2349 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 Error *local_err = NULL;
2352
2353 qemu_chr_new_from_opts(opts, NULL, &local_err);
2354 if (local_err) {
2355 error_report_err(local_err);
2356 return -1;
2357 }
2358 return 0;
2359 }
2360
2361 #ifdef CONFIG_VIRTFS
2362 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2363 {
2364 int ret;
2365 ret = qemu_fsdev_add(opts);
2366
2367 return ret;
2368 }
2369 #endif
2370
2371 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2372 {
2373 CharDriverState *chr;
2374 const char *chardev;
2375 const char *mode;
2376 int flags;
2377
2378 mode = qemu_opt_get(opts, "mode");
2379 if (mode == NULL) {
2380 mode = "readline";
2381 }
2382 if (strcmp(mode, "readline") == 0) {
2383 flags = MONITOR_USE_READLINE;
2384 } else if (strcmp(mode, "control") == 0) {
2385 flags = MONITOR_USE_CONTROL;
2386 } else {
2387 error_report("unknown monitor mode \"%s\"", mode);
2388 exit(1);
2389 }
2390
2391 if (qemu_opt_get_bool(opts, "pretty", 0))
2392 flags |= MONITOR_USE_PRETTY;
2393
2394 if (qemu_opt_get_bool(opts, "default", 0))
2395 flags |= MONITOR_IS_DEFAULT;
2396
2397 chardev = qemu_opt_get(opts, "chardev");
2398 chr = qemu_chr_find(chardev);
2399 if (chr == NULL) {
2400 error_report("chardev \"%s\" not found", chardev);
2401 exit(1);
2402 }
2403
2404 qemu_chr_fe_claim_no_fail(chr);
2405 monitor_init(chr, flags);
2406 return 0;
2407 }
2408
2409 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2410 {
2411 static int monitor_device_index = 0;
2412 Error *local_err = NULL;
2413 QemuOpts *opts;
2414 const char *p;
2415 char label[32];
2416 int def = 0;
2417
2418 if (strstart(optarg, "chardev:", &p)) {
2419 snprintf(label, sizeof(label), "%s", p);
2420 } else {
2421 snprintf(label, sizeof(label), "compat_monitor%d",
2422 monitor_device_index);
2423 if (monitor_device_index == 0) {
2424 def = 1;
2425 }
2426 opts = qemu_chr_parse_compat(label, optarg);
2427 if (!opts) {
2428 error_report("parse error: %s", optarg);
2429 exit(1);
2430 }
2431 }
2432
2433 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2434 if (!opts) {
2435 error_report_err(local_err);
2436 exit(1);
2437 }
2438 qemu_opt_set(opts, "mode", mode, &error_abort);
2439 qemu_opt_set(opts, "chardev", label, &error_abort);
2440 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2441 if (def)
2442 qemu_opt_set(opts, "default", "on", &error_abort);
2443 monitor_device_index++;
2444 }
2445
2446 struct device_config {
2447 enum {
2448 DEV_USB, /* -usbdevice */
2449 DEV_BT, /* -bt */
2450 DEV_SERIAL, /* -serial */
2451 DEV_PARALLEL, /* -parallel */
2452 DEV_VIRTCON, /* -virtioconsole */
2453 DEV_DEBUGCON, /* -debugcon */
2454 DEV_GDB, /* -gdb, -s */
2455 DEV_SCLP, /* s390 sclp */
2456 } type;
2457 const char *cmdline;
2458 Location loc;
2459 QTAILQ_ENTRY(device_config) next;
2460 };
2461
2462 static QTAILQ_HEAD(, device_config) device_configs =
2463 QTAILQ_HEAD_INITIALIZER(device_configs);
2464
2465 static void add_device_config(int type, const char *cmdline)
2466 {
2467 struct device_config *conf;
2468
2469 conf = g_malloc0(sizeof(*conf));
2470 conf->type = type;
2471 conf->cmdline = cmdline;
2472 loc_save(&conf->loc);
2473 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2474 }
2475
2476 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2477 {
2478 struct device_config *conf;
2479 int rc;
2480
2481 QTAILQ_FOREACH(conf, &device_configs, next) {
2482 if (conf->type != type)
2483 continue;
2484 loc_push_restore(&conf->loc);
2485 rc = func(conf->cmdline);
2486 loc_pop(&conf->loc);
2487 if (rc) {
2488 return rc;
2489 }
2490 }
2491 return 0;
2492 }
2493
2494 static int serial_parse(const char *devname)
2495 {
2496 static int index = 0;
2497 char label[32];
2498
2499 if (strcmp(devname, "none") == 0)
2500 return 0;
2501 if (index == MAX_SERIAL_PORTS) {
2502 error_report("too many serial ports");
2503 exit(1);
2504 }
2505 snprintf(label, sizeof(label), "serial%d", index);
2506 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2507 if (!serial_hds[index]) {
2508 error_report("could not connect serial device"
2509 " to character backend '%s'", devname);
2510 return -1;
2511 }
2512 index++;
2513 return 0;
2514 }
2515
2516 static int parallel_parse(const char *devname)
2517 {
2518 static int index = 0;
2519 char label[32];
2520
2521 if (strcmp(devname, "none") == 0)
2522 return 0;
2523 if (index == MAX_PARALLEL_PORTS) {
2524 error_report("too many parallel ports");
2525 exit(1);
2526 }
2527 snprintf(label, sizeof(label), "parallel%d", index);
2528 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2529 if (!parallel_hds[index]) {
2530 error_report("could not connect parallel device"
2531 " to character backend '%s'", devname);
2532 return -1;
2533 }
2534 index++;
2535 return 0;
2536 }
2537
2538 static int virtcon_parse(const char *devname)
2539 {
2540 QemuOptsList *device = qemu_find_opts("device");
2541 static int index = 0;
2542 char label[32];
2543 QemuOpts *bus_opts, *dev_opts;
2544
2545 if (strcmp(devname, "none") == 0)
2546 return 0;
2547 if (index == MAX_VIRTIO_CONSOLES) {
2548 error_report("too many virtio consoles");
2549 exit(1);
2550 }
2551
2552 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2553 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2554
2555 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2556 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2557
2558 snprintf(label, sizeof(label), "virtcon%d", index);
2559 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2560 if (!virtcon_hds[index]) {
2561 error_report("could not connect virtio console"
2562 " to character backend '%s'", devname);
2563 return -1;
2564 }
2565 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2566
2567 index++;
2568 return 0;
2569 }
2570
2571 static int sclp_parse(const char *devname)
2572 {
2573 QemuOptsList *device = qemu_find_opts("device");
2574 static int index = 0;
2575 char label[32];
2576 QemuOpts *dev_opts;
2577
2578 if (strcmp(devname, "none") == 0) {
2579 return 0;
2580 }
2581 if (index == MAX_SCLP_CONSOLES) {
2582 error_report("too many sclp consoles");
2583 exit(1);
2584 }
2585
2586 assert(arch_type == QEMU_ARCH_S390X);
2587
2588 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2589 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2590
2591 snprintf(label, sizeof(label), "sclpcon%d", index);
2592 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2593 if (!sclp_hds[index]) {
2594 error_report("could not connect sclp console"
2595 " to character backend '%s'", devname);
2596 return -1;
2597 }
2598 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2599
2600 index++;
2601 return 0;
2602 }
2603
2604 static int debugcon_parse(const char *devname)
2605 {
2606 QemuOpts *opts;
2607
2608 if (!qemu_chr_new("debugcon", devname, NULL)) {
2609 exit(1);
2610 }
2611 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2612 if (!opts) {
2613 error_report("already have a debugcon device");
2614 exit(1);
2615 }
2616 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2617 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2618 return 0;
2619 }
2620
2621 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2622 {
2623 const MachineClass *mc1 = a, *mc2 = b;
2624 int res;
2625
2626 if (mc1->family == NULL) {
2627 if (mc2->family == NULL) {
2628 /* Compare standalone machine types against each other; they sort
2629 * in increasing order.
2630 */
2631 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2632 object_class_get_name(OBJECT_CLASS(mc2)));
2633 }
2634
2635 /* Standalone machine types sort after families. */
2636 return 1;
2637 }
2638
2639 if (mc2->family == NULL) {
2640 /* Families sort before standalone machine types. */
2641 return -1;
2642 }
2643
2644 /* Families sort between each other alphabetically increasingly. */
2645 res = strcmp(mc1->family, mc2->family);
2646 if (res != 0) {
2647 return res;
2648 }
2649
2650 /* Within the same family, machine types sort in decreasing order. */
2651 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2652 object_class_get_name(OBJECT_CLASS(mc1)));
2653 }
2654
2655 static MachineClass *machine_parse(const char *name)
2656 {
2657 MachineClass *mc = NULL;
2658 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2659
2660 if (name) {
2661 mc = find_machine(name);
2662 }
2663 if (mc) {
2664 g_slist_free(machines);
2665 return mc;
2666 }
2667 if (name && !is_help_option(name)) {
2668 error_report("unsupported machine type");
2669 error_printf("Use -machine help to list supported machines\n");
2670 } else {
2671 printf("Supported machines are:\n");
2672 machines = g_slist_sort(machines, machine_class_cmp);
2673 for (el = machines; el; el = el->next) {
2674 MachineClass *mc = el->data;
2675 if (mc->alias) {
2676 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2677 }
2678 printf("%-20s %s%s\n", mc->name, mc->desc,
2679 mc->is_default ? " (default)" : "");
2680 }
2681 }
2682
2683 g_slist_free(machines);
2684 exit(!name || !is_help_option(name));
2685 }
2686
2687 void qemu_add_exit_notifier(Notifier *notify)
2688 {
2689 notifier_list_add(&exit_notifiers, notify);
2690 }
2691
2692 void qemu_remove_exit_notifier(Notifier *notify)
2693 {
2694 notifier_remove(notify);
2695 }
2696
2697 static void qemu_run_exit_notifiers(void)
2698 {
2699 notifier_list_notify(&exit_notifiers, NULL);
2700 }
2701
2702 static bool machine_init_done;
2703
2704 void qemu_add_machine_init_done_notifier(Notifier *notify)
2705 {
2706 notifier_list_add(&machine_init_done_notifiers, notify);
2707 if (machine_init_done) {
2708 notify->notify(notify, NULL);
2709 }
2710 }
2711
2712 static void qemu_run_machine_init_done_notifiers(void)
2713 {
2714 notifier_list_notify(&machine_init_done_notifiers, NULL);
2715 machine_init_done = true;
2716 }
2717
2718 static const QEMUOption *lookup_opt(int argc, char **argv,
2719 const char **poptarg, int *poptind)
2720 {
2721 const QEMUOption *popt;
2722 int optind = *poptind;
2723 char *r = argv[optind];
2724 const char *optarg;
2725
2726 loc_set_cmdline(argv, optind, 1);
2727 optind++;
2728 /* Treat --foo the same as -foo. */
2729 if (r[1] == '-')
2730 r++;
2731 popt = qemu_options;
2732 for(;;) {
2733 if (!popt->name) {
2734 error_report("invalid option");
2735 exit(1);
2736 }
2737 if (!strcmp(popt->name, r + 1))
2738 break;
2739 popt++;
2740 }
2741 if (popt->flags & HAS_ARG) {
2742 if (optind >= argc) {
2743 error_report("requires an argument");
2744 exit(1);
2745 }
2746 optarg = argv[optind++];
2747 loc_set_cmdline(argv, optind - 2, 2);
2748 } else {
2749 optarg = NULL;
2750 }
2751
2752 *poptarg = optarg;
2753 *poptind = optind;
2754
2755 return popt;
2756 }
2757
2758 static int machine_set_property(void *opaque,
2759 const char *name, const char *value,
2760 Error **errp)
2761 {
2762 Object *obj = OBJECT(opaque);
2763 Error *local_err = NULL;
2764 char *c, *qom_name;
2765
2766 if (strcmp(name, "type") == 0) {
2767 return 0;
2768 }
2769
2770 qom_name = g_strdup(name);
2771 c = qom_name;
2772 while (*c++) {
2773 if (*c == '_') {
2774 *c = '-';
2775 }
2776 }
2777
2778 object_property_parse(obj, value, qom_name, &local_err);
2779 g_free(qom_name);
2780
2781 if (local_err) {
2782 error_report_err(local_err);
2783 return -1;
2784 }
2785
2786 return 0;
2787 }
2788
2789
2790 /*
2791 * Initial object creation happens before all other
2792 * QEMU data types are created. The majority of objects
2793 * can be created at this point. The rng-egd object
2794 * cannot be created here, as it depends on the chardev
2795 * already existing.
2796 */
2797 static bool object_create_initial(const char *type)
2798 {
2799 if (g_str_equal(type, "rng-egd")) {
2800 return false;
2801 }
2802
2803 /*
2804 * return false for concrete netfilters since
2805 * they depend on netdevs already existing
2806 */
2807 if (g_str_equal(type, "filter-buffer") ||
2808 g_str_equal(type, "filter-dump")) {
2809 return false;
2810 }
2811
2812 return true;
2813 }
2814
2815
2816 /*
2817 * The remainder of object creation happens after the
2818 * creation of chardev, fsdev, net clients and device data types.
2819 */
2820 static bool object_create_delayed(const char *type)
2821 {
2822 return !object_create_initial(type);
2823 }
2824
2825
2826 static int object_create(void *opaque, QemuOpts *opts, Error **errp)
2827 {
2828 Error *err = NULL;
2829 char *type = NULL;
2830 char *id = NULL;
2831 void *dummy = NULL;
2832 OptsVisitor *ov;
2833 QDict *pdict;
2834 bool (*type_predicate)(const char *) = opaque;
2835
2836 ov = opts_visitor_new(opts);
2837 pdict = qemu_opts_to_qdict(opts, NULL);
2838
2839 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2840 if (err) {
2841 goto out;
2842 }
2843
2844 qdict_del(pdict, "qom-type");
2845 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2846 if (err) {
2847 goto out;
2848 }
2849 if (!type_predicate(type)) {
2850 goto out;
2851 }
2852
2853 qdict_del(pdict, "id");
2854 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2855 if (err) {
2856 goto out;
2857 }
2858
2859 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2860 if (err) {
2861 goto out;
2862 }
2863 visit_end_struct(opts_get_visitor(ov), &err);
2864 if (err) {
2865 qmp_object_del(id, NULL);
2866 }
2867
2868 out:
2869 opts_visitor_cleanup(ov);
2870
2871 QDECREF(pdict);
2872 g_free(id);
2873 g_free(type);
2874 g_free(dummy);
2875 if (err) {
2876 error_report_err(err);
2877 return -1;
2878 }
2879 return 0;
2880 }
2881
2882 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2883 MachineClass *mc)
2884 {
2885 uint64_t sz;
2886 const char *mem_str;
2887 const char *maxmem_str, *slots_str;
2888 const ram_addr_t default_ram_size = mc->default_ram_size;
2889 QemuOpts *opts = qemu_find_opts_singleton("memory");
2890
2891 sz = 0;
2892 mem_str = qemu_opt_get(opts, "size");
2893 if (mem_str) {
2894 if (!*mem_str) {
2895 error_report("missing 'size' option value");
2896 exit(EXIT_FAILURE);
2897 }
2898
2899 sz = qemu_opt_get_size(opts, "size", ram_size);
2900
2901 /* Fix up legacy suffix-less format */
2902 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2903 uint64_t overflow_check = sz;
2904
2905 sz <<= 20;
2906 if ((sz >> 20) != overflow_check) {
2907 error_report("too large 'size' option value");
2908 exit(EXIT_FAILURE);
2909 }
2910 }
2911 }
2912
2913 /* backward compatibility behaviour for case "-m 0" */
2914 if (sz == 0) {
2915 sz = default_ram_size;
2916 }
2917
2918 sz = QEMU_ALIGN_UP(sz, 8192);
2919 ram_size = sz;
2920 if (ram_size != sz) {
2921 error_report("ram size too large");
2922 exit(EXIT_FAILURE);
2923 }
2924
2925 /* store value for the future use */
2926 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2927 *maxram_size = ram_size;
2928
2929 maxmem_str = qemu_opt_get(opts, "maxmem");
2930 slots_str = qemu_opt_get(opts, "slots");
2931 if (maxmem_str && slots_str) {
2932 uint64_t slots;
2933
2934 sz = qemu_opt_get_size(opts, "maxmem", 0);
2935 slots = qemu_opt_get_number(opts, "slots", 0);
2936 if (sz < ram_size) {
2937 error_report("invalid value of -m option maxmem: "
2938 "maximum memory size (0x%" PRIx64 ") must be at least "
2939 "the initial memory size (0x" RAM_ADDR_FMT ")",
2940 sz, ram_size);
2941 exit(EXIT_FAILURE);
2942 } else if (sz > ram_size) {
2943 if (!slots) {
2944 error_report("invalid value of -m option: maxmem was "
2945 "specified, but no hotplug slots were specified");
2946 exit(EXIT_FAILURE);
2947 }
2948 } else if (slots) {
2949 error_report("invalid value of -m option maxmem: "
2950 "memory slots were specified but maximum memory size "
2951 "(0x%" PRIx64 ") is equal to the initial memory size "
2952 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2953 exit(EXIT_FAILURE);
2954 }
2955
2956 *maxram_size = sz;
2957 *ram_slots = slots;
2958 } else if ((!maxmem_str && slots_str) ||
2959 (maxmem_str && !slots_str)) {
2960 error_report("invalid -m option value: missing "
2961 "'%s' option", slots_str ? "maxmem" : "slots");
2962 exit(EXIT_FAILURE);
2963 }
2964 }
2965
2966 int main(int argc, char **argv, char **envp)
2967 {
2968 int i;
2969 int snapshot, linux_boot;
2970 const char *initrd_filename;
2971 const char *kernel_filename, *kernel_cmdline;
2972 const char *boot_order = NULL;
2973 const char *boot_once = NULL;
2974 DisplayState *ds;
2975 int cyls, heads, secs, translation;
2976 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2977 QemuOptsList *olist;
2978 int optind;
2979 const char *optarg;
2980 const char *loadvm = NULL;
2981 MachineClass *machine_class;
2982 const char *cpu_model;
2983 const char *vga_model = NULL;
2984 const char *qtest_chrdev = NULL;
2985 const char *qtest_log = NULL;
2986 const char *pid_file = NULL;
2987 const char *incoming = NULL;
2988 #ifdef CONFIG_VNC
2989 int show_vnc_port = 0;
2990 #endif
2991 bool defconfig = true;
2992 bool userconfig = true;
2993 const char *log_mask = NULL;
2994 const char *log_file = NULL;
2995 char *trace_file = NULL;
2996 ram_addr_t maxram_size;
2997 uint64_t ram_slots = 0;
2998 FILE *vmstate_dump_file = NULL;
2999 Error *main_loop_err = NULL;
3000 Error *err = NULL;
3001
3002 qemu_init_cpu_loop();
3003 qemu_mutex_lock_iothread();
3004
3005 atexit(qemu_run_exit_notifiers);
3006 error_set_progname(argv[0]);
3007 qemu_init_exec_dir(argv[0]);
3008
3009 module_call_init(MODULE_INIT_QOM);
3010
3011 qemu_add_opts(&qemu_drive_opts);
3012 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3013 qemu_add_drive_opts(&qemu_common_drive_opts);
3014 qemu_add_drive_opts(&qemu_drive_opts);
3015 qemu_add_opts(&qemu_chardev_opts);
3016 qemu_add_opts(&qemu_device_opts);
3017 qemu_add_opts(&qemu_netdev_opts);
3018 qemu_add_opts(&qemu_net_opts);
3019 qemu_add_opts(&qemu_rtc_opts);
3020 qemu_add_opts(&qemu_global_opts);
3021 qemu_add_opts(&qemu_mon_opts);
3022 qemu_add_opts(&qemu_trace_opts);
3023 qemu_add_opts(&qemu_option_rom_opts);
3024 qemu_add_opts(&qemu_machine_opts);
3025 qemu_add_opts(&qemu_mem_opts);
3026 qemu_add_opts(&qemu_smp_opts);
3027 qemu_add_opts(&qemu_boot_opts);
3028 qemu_add_opts(&qemu_sandbox_opts);
3029 qemu_add_opts(&qemu_add_fd_opts);
3030 qemu_add_opts(&qemu_object_opts);
3031 qemu_add_opts(&qemu_tpmdev_opts);
3032 qemu_add_opts(&qemu_realtime_opts);
3033 qemu_add_opts(&qemu_msg_opts);
3034 qemu_add_opts(&qemu_name_opts);
3035 qemu_add_opts(&qemu_numa_opts);
3036 qemu_add_opts(&qemu_icount_opts);
3037 qemu_add_opts(&qemu_semihosting_config_opts);
3038 qemu_add_opts(&qemu_fw_cfg_opts);
3039
3040 runstate_init();
3041
3042 if (qcrypto_init(&err) < 0) {
3043 error_reportf_err(err, "cannot initialize crypto: ");
3044 exit(1);
3045 }
3046 rtc_clock = QEMU_CLOCK_HOST;
3047
3048 QLIST_INIT (&vm_change_state_head);
3049 os_setup_early_signal_handling();
3050
3051 module_call_init(MODULE_INIT_MACHINE);
3052 machine_class = find_default_machine();
3053 cpu_model = NULL;
3054 snapshot = 0;
3055 cyls = heads = secs = 0;
3056 translation = BIOS_ATA_TRANSLATION_AUTO;
3057
3058 nb_nics = 0;
3059
3060 bdrv_init_with_whitelist();
3061
3062 autostart = 1;
3063
3064 /* first pass of option parsing */
3065 optind = 1;
3066 while (optind < argc) {
3067 if (argv[optind][0] != '-') {
3068 /* disk image */
3069 optind++;
3070 } else {
3071 const QEMUOption *popt;
3072
3073 popt = lookup_opt(argc, argv, &optarg, &optind);
3074 switch (popt->index) {
3075 case QEMU_OPTION_nodefconfig:
3076 defconfig = false;
3077 break;
3078 case QEMU_OPTION_nouserconfig:
3079 userconfig = false;
3080 break;
3081 }
3082 }
3083 }
3084
3085 if (defconfig) {
3086 int ret;
3087 ret = qemu_read_default_config_files(userconfig);
3088 if (ret < 0) {
3089 exit(1);
3090 }
3091 }
3092
3093 /* second pass of option parsing */
3094 optind = 1;
3095 for(;;) {
3096 if (optind >= argc)
3097 break;
3098 if (argv[optind][0] != '-') {
3099 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3100 } else {
3101 const QEMUOption *popt;
3102
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 if (!(popt->arch_mask & arch_type)) {
3105 printf("Option %s not supported for this target\n", popt->name);
3106 exit(1);
3107 }
3108 switch(popt->index) {
3109 case QEMU_OPTION_no_kvm_irqchip: {
3110 olist = qemu_find_opts("machine");
3111 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3112 break;
3113 }
3114 case QEMU_OPTION_cpu:
3115 /* hw initialization will check this */
3116 cpu_model = optarg;
3117 break;
3118 case QEMU_OPTION_hda:
3119 {
3120 char buf[256];
3121 if (cyls == 0)
3122 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3123 else
3124 snprintf(buf, sizeof(buf),
3125 "%s,cyls=%d,heads=%d,secs=%d%s",
3126 HD_OPTS , cyls, heads, secs,
3127 translation == BIOS_ATA_TRANSLATION_LBA ?
3128 ",trans=lba" :
3129 translation == BIOS_ATA_TRANSLATION_NONE ?
3130 ",trans=none" : "");
3131 drive_add(IF_DEFAULT, 0, optarg, buf);
3132 break;
3133 }
3134 case QEMU_OPTION_hdb:
3135 case QEMU_OPTION_hdc:
3136 case QEMU_OPTION_hdd:
3137 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3138 HD_OPTS);
3139 break;
3140 case QEMU_OPTION_drive:
3141 if (drive_def(optarg) == NULL) {
3142 exit(1);
3143 }
3144 break;
3145 case QEMU_OPTION_set:
3146 if (qemu_set_option(optarg) != 0)
3147 exit(1);
3148 break;
3149 case QEMU_OPTION_global:
3150 if (qemu_global_option(optarg) != 0)
3151 exit(1);
3152 break;
3153 case QEMU_OPTION_mtdblock:
3154 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3155 break;
3156 case QEMU_OPTION_sd:
3157 drive_add(IF_SD, -1, optarg, SD_OPTS);
3158 break;
3159 case QEMU_OPTION_pflash:
3160 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3161 break;
3162 case QEMU_OPTION_snapshot:
3163 snapshot = 1;
3164 break;
3165 case QEMU_OPTION_hdachs:
3166 {
3167 const char *p;
3168 p = optarg;
3169 cyls = strtol(p, (char **)&p, 0);
3170 if (cyls < 1 || cyls > 16383)
3171 goto chs_fail;
3172 if (*p != ',')
3173 goto chs_fail;
3174 p++;
3175 heads = strtol(p, (char **)&p, 0);
3176 if (heads < 1 || heads > 16)
3177 goto chs_fail;
3178 if (*p != ',')
3179 goto chs_fail;
3180 p++;
3181 secs = strtol(p, (char **)&p, 0);
3182 if (secs < 1 || secs > 63)
3183 goto chs_fail;
3184 if (*p == ',') {
3185 p++;
3186 if (!strcmp(p, "large")) {
3187 translation = BIOS_ATA_TRANSLATION_LARGE;
3188 } else if (!strcmp(p, "rechs")) {
3189 translation = BIOS_ATA_TRANSLATION_RECHS;
3190 } else if (!strcmp(p, "none")) {
3191 translation = BIOS_ATA_TRANSLATION_NONE;
3192 } else if (!strcmp(p, "lba")) {
3193 translation = BIOS_ATA_TRANSLATION_LBA;
3194 } else if (!strcmp(p, "auto")) {
3195 translation = BIOS_ATA_TRANSLATION_AUTO;
3196 } else {
3197 goto chs_fail;
3198 }
3199 } else if (*p != '\0') {
3200 chs_fail:
3201 error_report("invalid physical CHS format");
3202 exit(1);
3203 }
3204 if (hda_opts != NULL) {
3205 qemu_opt_set_number(hda_opts, "cyls", cyls,
3206 &error_abort);
3207 qemu_opt_set_number(hda_opts, "heads", heads,
3208 &error_abort);
3209 qemu_opt_set_number(hda_opts, "secs", secs,
3210 &error_abort);
3211 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3212 qemu_opt_set(hda_opts, "trans", "large",
3213 &error_abort);
3214 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3215 qemu_opt_set(hda_opts, "trans", "rechs",
3216 &error_abort);
3217 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3218 qemu_opt_set(hda_opts, "trans", "lba",
3219 &error_abort);
3220 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3221 qemu_opt_set(hda_opts, "trans", "none",
3222 &error_abort);
3223 }
3224 }
3225 }
3226 break;
3227 case QEMU_OPTION_numa:
3228 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3229 optarg, true);
3230 if (!opts) {
3231 exit(1);
3232 }
3233 break;
3234 case QEMU_OPTION_display:
3235 display_type = select_display(optarg);
3236 break;
3237 case QEMU_OPTION_nographic:
3238 display_type = DT_NOGRAPHIC;
3239 break;
3240 case QEMU_OPTION_curses:
3241 #ifdef CONFIG_CURSES
3242 display_type = DT_CURSES;
3243 #else
3244 error_report("curses support is disabled");
3245 exit(1);
3246 #endif
3247 break;
3248 case QEMU_OPTION_portrait:
3249 graphic_rotate = 90;
3250 break;
3251 case QEMU_OPTION_rotate:
3252 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3253 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3254 graphic_rotate != 180 && graphic_rotate != 270) {
3255 error_report("only 90, 180, 270 deg rotation is available");
3256 exit(1);
3257 }
3258 break;
3259 case QEMU_OPTION_kernel:
3260 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3261 &error_abort);
3262 break;
3263 case QEMU_OPTION_initrd:
3264 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3265 &error_abort);
3266 break;
3267 case QEMU_OPTION_append:
3268 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3269 &error_abort);
3270 break;
3271 case QEMU_OPTION_dtb:
3272 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3273 &error_abort);
3274 break;
3275 case QEMU_OPTION_cdrom:
3276 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3277 break;
3278 case QEMU_OPTION_boot:
3279 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3280 optarg, true);
3281 if (!opts) {
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_fda:
3286 case QEMU_OPTION_fdb:
3287 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3288 optarg, FD_OPTS);
3289 break;
3290 case QEMU_OPTION_no_fd_bootchk:
3291 fd_bootchk = 0;
3292 break;
3293 case QEMU_OPTION_netdev:
3294 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_net:
3299 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3300 exit(1);
3301 }
3302 break;
3303 #ifdef CONFIG_LIBISCSI
3304 case QEMU_OPTION_iscsi:
3305 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3306 optarg, false);
3307 if (!opts) {
3308 exit(1);
3309 }
3310 break;
3311 #endif
3312 #ifdef CONFIG_SLIRP
3313 case QEMU_OPTION_tftp:
3314 legacy_tftp_prefix = optarg;
3315 break;
3316 case QEMU_OPTION_bootp:
3317 legacy_bootp_filename = optarg;
3318 break;
3319 case QEMU_OPTION_redir:
3320 if (net_slirp_redir(optarg) < 0)
3321 exit(1);
3322 break;
3323 #endif
3324 case QEMU_OPTION_bt:
3325 add_device_config(DEV_BT, optarg);
3326 break;
3327 case QEMU_OPTION_audio_help:
3328 AUD_help ();
3329 exit (0);
3330 break;
3331 case QEMU_OPTION_soundhw:
3332 select_soundhw (optarg);
3333 break;
3334 case QEMU_OPTION_h:
3335 help(0);
3336 break;
3337 case QEMU_OPTION_version:
3338 version();
3339 exit(0);
3340 break;
3341 case QEMU_OPTION_m:
3342 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3343 optarg, true);
3344 if (!opts) {
3345 exit(EXIT_FAILURE);
3346 }
3347 break;
3348 #ifdef CONFIG_TPM
3349 case QEMU_OPTION_tpmdev:
3350 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3351 exit(1);
3352 }
3353 break;
3354 #endif
3355 case QEMU_OPTION_mempath:
3356 mem_path = optarg;
3357 break;
3358 case QEMU_OPTION_mem_prealloc:
3359 mem_prealloc = 1;
3360 break;
3361 case QEMU_OPTION_d:
3362 log_mask = optarg;
3363 break;
3364 case QEMU_OPTION_D:
3365 log_file = optarg;
3366 break;
3367 case QEMU_OPTION_s:
3368 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3369 break;
3370 case QEMU_OPTION_gdb:
3371 add_device_config(DEV_GDB, optarg);
3372 break;
3373 case QEMU_OPTION_L:
3374 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3375 data_dir[data_dir_idx++] = optarg;
3376 }
3377 break;
3378 case QEMU_OPTION_bios:
3379 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3380 &error_abort);
3381 break;
3382 case QEMU_OPTION_singlestep:
3383 singlestep = 1;
3384 break;
3385 case QEMU_OPTION_S:
3386 autostart = 0;
3387 break;
3388 case QEMU_OPTION_k:
3389 keyboard_layout = optarg;
3390 break;
3391 case QEMU_OPTION_localtime:
3392 rtc_utc = 0;
3393 break;
3394 case QEMU_OPTION_vga:
3395 vga_model = optarg;
3396 default_vga = 0;
3397 break;
3398 case QEMU_OPTION_g:
3399 {
3400 const char *p;
3401 int w, h, depth;
3402 p = optarg;
3403 w = strtol(p, (char **)&p, 10);
3404 if (w <= 0) {
3405 graphic_error:
3406 error_report("invalid resolution or depth");
3407 exit(1);
3408 }
3409 if (*p != 'x')
3410 goto graphic_error;
3411 p++;
3412 h = strtol(p, (char **)&p, 10);
3413 if (h <= 0)
3414 goto graphic_error;
3415 if (*p == 'x') {
3416 p++;
3417 depth = strtol(p, (char **)&p, 10);
3418 if (depth != 8 && depth != 15 && depth != 16 &&
3419 depth != 24 && depth != 32)
3420 goto graphic_error;
3421 } else if (*p == '\0') {
3422 depth = graphic_depth;
3423 } else {
3424 goto graphic_error;
3425 }
3426
3427 graphic_width = w;
3428 graphic_height = h;
3429 graphic_depth = depth;
3430 }
3431 break;
3432 case QEMU_OPTION_echr:
3433 {
3434 char *r;
3435 term_escape_char = strtol(optarg, &r, 0);
3436 if (r == optarg)
3437 printf("Bad argument to echr\n");
3438 break;
3439 }
3440 case QEMU_OPTION_monitor:
3441 default_monitor = 0;
3442 if (strncmp(optarg, "none", 4)) {
3443 monitor_parse(optarg, "readline", false);
3444 }
3445 break;
3446 case QEMU_OPTION_qmp:
3447 monitor_parse(optarg, "control", false);
3448 default_monitor = 0;
3449 break;
3450 case QEMU_OPTION_qmp_pretty:
3451 monitor_parse(optarg, "control", true);
3452 default_monitor = 0;
3453 break;
3454 case QEMU_OPTION_mon:
3455 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3456 true);
3457 if (!opts) {
3458 exit(1);
3459 }
3460 default_monitor = 0;
3461 break;
3462 case QEMU_OPTION_chardev:
3463 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3464 optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_fsdev:
3470 olist = qemu_find_opts("fsdev");
3471 if (!olist) {
3472 error_report("fsdev support is disabled");
3473 exit(1);
3474 }
3475 opts = qemu_opts_parse_noisily(olist, optarg, true);
3476 if (!opts) {
3477 exit(1);
3478 }
3479 break;
3480 case QEMU_OPTION_virtfs: {
3481 QemuOpts *fsdev;
3482 QemuOpts *device;
3483 const char *writeout, *sock_fd, *socket;
3484
3485 olist = qemu_find_opts("virtfs");
3486 if (!olist) {
3487 error_report("virtfs support is disabled");
3488 exit(1);
3489 }
3490 opts = qemu_opts_parse_noisily(olist, optarg, true);
3491 if (!opts) {
3492 exit(1);
3493 }
3494
3495 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3496 qemu_opt_get(opts, "mount_tag") == NULL) {
3497 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3498 exit(1);
3499 }
3500 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3501 qemu_opt_get(opts, "mount_tag"),
3502 1, NULL);
3503 if (!fsdev) {
3504 error_report("duplicate fsdev id: %s",
3505 qemu_opt_get(opts, "mount_tag"));
3506 exit(1);
3507 }
3508
3509 writeout = qemu_opt_get(opts, "writeout");
3510 if (writeout) {
3511 #ifdef CONFIG_SYNC_FILE_RANGE
3512 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3513 #else
3514 error_report("writeout=immediate not supported "
3515 "on this platform");
3516 exit(1);
3517 #endif
3518 }
3519 qemu_opt_set(fsdev, "fsdriver",
3520 qemu_opt_get(opts, "fsdriver"), &error_abort);
3521 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3522 &error_abort);
3523 qemu_opt_set(fsdev, "security_model",
3524 qemu_opt_get(opts, "security_model"),
3525 &error_abort);
3526 socket = qemu_opt_get(opts, "socket");
3527 if (socket) {
3528 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3529 }
3530 sock_fd = qemu_opt_get(opts, "sock_fd");
3531 if (sock_fd) {
3532 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3533 }
3534
3535 qemu_opt_set_bool(fsdev, "readonly",
3536 qemu_opt_get_bool(opts, "readonly", 0),
3537 &error_abort);
3538 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3539 &error_abort);
3540 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3541 qemu_opt_set(device, "fsdev",
3542 qemu_opt_get(opts, "mount_tag"), &error_abort);
3543 qemu_opt_set(device, "mount_tag",
3544 qemu_opt_get(opts, "mount_tag"), &error_abort);
3545 break;
3546 }
3547 case QEMU_OPTION_virtfs_synth: {
3548 QemuOpts *fsdev;
3549 QemuOpts *device;
3550
3551 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3552 1, NULL);
3553 if (!fsdev) {
3554 error_report("duplicate option: %s", "virtfs_synth");
3555 exit(1);
3556 }
3557 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3558
3559 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3560 &error_abort);
3561 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3562 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3563 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3564 break;
3565 }
3566 case QEMU_OPTION_serial:
3567 add_device_config(DEV_SERIAL, optarg);
3568 default_serial = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_watchdog:
3574 if (watchdog) {
3575 error_report("only one watchdog option may be given");
3576 return 1;
3577 }
3578 watchdog = optarg;
3579 break;
3580 case QEMU_OPTION_watchdog_action:
3581 if (select_watchdog_action(optarg) == -1) {
3582 error_report("unknown -watchdog-action parameter");
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_virtiocon:
3587 add_device_config(DEV_VIRTCON, optarg);
3588 default_virtcon = 0;
3589 if (strncmp(optarg, "mon:", 4) == 0) {
3590 default_monitor = 0;
3591 }
3592 break;
3593 case QEMU_OPTION_parallel:
3594 add_device_config(DEV_PARALLEL, optarg);
3595 default_parallel = 0;
3596 if (strncmp(optarg, "mon:", 4) == 0) {
3597 default_monitor = 0;
3598 }
3599 break;
3600 case QEMU_OPTION_debugcon:
3601 add_device_config(DEV_DEBUGCON, optarg);
3602 break;
3603 case QEMU_OPTION_loadvm:
3604 loadvm = optarg;
3605 break;
3606 case QEMU_OPTION_full_screen:
3607 full_screen = 1;
3608 break;
3609 case QEMU_OPTION_no_frame:
3610 no_frame = 1;
3611 break;
3612 case QEMU_OPTION_alt_grab:
3613 alt_grab = 1;
3614 break;
3615 case QEMU_OPTION_ctrl_grab:
3616 ctrl_grab = 1;
3617 break;
3618 case QEMU_OPTION_no_quit:
3619 no_quit = 1;
3620 break;
3621 case QEMU_OPTION_sdl:
3622 #ifdef CONFIG_SDL
3623 display_type = DT_SDL;
3624 break;
3625 #else
3626 error_report("SDL support is disabled");
3627 exit(1);
3628 #endif
3629 case QEMU_OPTION_pidfile:
3630 pid_file = optarg;
3631 break;
3632 case QEMU_OPTION_win2k_hack:
3633 win2k_install_hack = 1;
3634 break;
3635 case QEMU_OPTION_rtc_td_hack: {
3636 static GlobalProperty slew_lost_ticks[] = {
3637 {
3638 .driver = "mc146818rtc",
3639 .property = "lost_tick_policy",
3640 .value = "slew",
3641 },
3642 { /* end of list */ }
3643 };
3644
3645 qdev_prop_register_global_list(slew_lost_ticks);
3646 break;
3647 }
3648 case QEMU_OPTION_acpitable:
3649 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3650 optarg, true);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 do_acpitable_option(opts);
3655 break;
3656 case QEMU_OPTION_smbios:
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3658 optarg, false);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 do_smbios_option(opts);
3663 break;
3664 case QEMU_OPTION_fwcfg:
3665 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3666 optarg, true);
3667 if (opts == NULL) {
3668 exit(1);
3669 }
3670 break;
3671 case QEMU_OPTION_enable_kvm:
3672 olist = qemu_find_opts("machine");
3673 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3674 break;
3675 case QEMU_OPTION_M:
3676 case QEMU_OPTION_machine:
3677 olist = qemu_find_opts("machine");
3678 opts = qemu_opts_parse_noisily(olist, optarg, true);
3679 if (!opts) {
3680 exit(1);
3681 }
3682 break;
3683 case QEMU_OPTION_no_kvm:
3684 olist = qemu_find_opts("machine");
3685 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3686 break;
3687 case QEMU_OPTION_no_kvm_pit: {
3688 error_report("warning: ignoring deprecated option");
3689 break;
3690 }
3691 case QEMU_OPTION_no_kvm_pit_reinjection: {
3692 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3693 {
3694 .driver = "kvm-pit",
3695 .property = "lost_tick_policy",
3696 .value = "discard",
3697 },
3698 { /* end of list */ }
3699 };
3700
3701 error_report("warning: deprecated, replaced by "
3702 "-global kvm-pit.lost_tick_policy=discard");
3703 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3704 break;
3705 }
3706 case QEMU_OPTION_usb:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse_noisily(olist, "usb=on", false);
3709 break;
3710 case QEMU_OPTION_usbdevice:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "usb=on", false);
3713 add_device_config(DEV_USB, optarg);
3714 break;
3715 case QEMU_OPTION_device:
3716 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3717 optarg, true)) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_smp:
3722 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3723 optarg, true)) {
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_vnc:
3728 {
3729 #ifdef CONFIG_VNC
3730 Error *local_err = NULL;
3731
3732 if (vnc_parse(optarg, &local_err) == NULL) {
3733 error_report_err(local_err);
3734 exit(1);
3735 }
3736 #else
3737 error_report("VNC support is disabled");
3738 exit(1);
3739 #endif
3740 break;
3741 }
3742 case QEMU_OPTION_no_acpi:
3743 acpi_enabled = 0;
3744 break;
3745 case QEMU_OPTION_no_hpet:
3746 no_hpet = 1;
3747 break;
3748 case QEMU_OPTION_balloon:
3749 if (balloon_parse(optarg) < 0) {
3750 error_report("unknown -balloon argument %s", optarg);
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_no_reboot:
3755 no_reboot = 1;
3756 break;
3757 case QEMU_OPTION_no_shutdown:
3758 no_shutdown = 1;
3759 break;
3760 case QEMU_OPTION_show_cursor:
3761 cursor_hide = 0;
3762 break;
3763 case QEMU_OPTION_uuid:
3764 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3765 error_report("failed to parse UUID string: wrong format");
3766 exit(1);
3767 }
3768 qemu_uuid_set = true;
3769 break;
3770 case QEMU_OPTION_option_rom:
3771 if (nb_option_roms >= MAX_OPTION_ROMS) {
3772 error_report("too many option ROMs");
3773 exit(1);
3774 }
3775 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3776 optarg, true);
3777 if (!opts) {
3778 exit(1);
3779 }
3780 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3781 option_rom[nb_option_roms].bootindex =
3782 qemu_opt_get_number(opts, "bootindex", -1);
3783 if (!option_rom[nb_option_roms].name) {
3784 error_report("Option ROM file is not specified");
3785 exit(1);
3786 }
3787 nb_option_roms++;
3788 break;
3789 case QEMU_OPTION_semihosting:
3790 semihosting.enabled = true;
3791 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3792 break;
3793 case QEMU_OPTION_semihosting_config:
3794 semihosting.enabled = true;
3795 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3796 optarg, false);
3797 if (opts != NULL) {
3798 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3799 true);
3800 const char *target = qemu_opt_get(opts, "target");
3801 if (target != NULL) {
3802 if (strcmp("native", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3804 } else if (strcmp("gdb", target) == 0) {
3805 semihosting.target = SEMIHOSTING_TARGET_GDB;
3806 } else if (strcmp("auto", target) == 0) {
3807 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3808 } else {
3809 error_report("unsupported semihosting-config %s",
3810 optarg);
3811 exit(1);
3812 }
3813 } else {
3814 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3815 }
3816 /* Set semihosting argument count and vector */
3817 qemu_opt_foreach(opts, add_semihosting_arg,
3818 &semihosting, NULL);
3819 } else {
3820 error_report("unsupported semihosting-config %s", optarg);
3821 exit(1);
3822 }
3823 break;
3824 case QEMU_OPTION_tdf:
3825 error_report("warning: ignoring deprecated option");
3826 break;
3827 case QEMU_OPTION_name:
3828 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3829 optarg, true);
3830 if (!opts) {
3831 exit(1);
3832 }
3833 break;
3834 case QEMU_OPTION_prom_env:
3835 if (nb_prom_envs >= MAX_PROM_ENVS) {
3836 error_report("too many prom variables");
3837 exit(1);
3838 }
3839 prom_envs[nb_prom_envs] = optarg;
3840 nb_prom_envs++;
3841 break;
3842 case QEMU_OPTION_old_param:
3843 old_param = 1;
3844 break;
3845 case QEMU_OPTION_clock:
3846 /* Clock options no longer exist. Keep this option for
3847 * backward compatibility.
3848 */
3849 break;
3850 case QEMU_OPTION_startdate:
3851 configure_rtc_date_offset(optarg, 1);
3852 break;
3853 case QEMU_OPTION_rtc:
3854 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3855 false);
3856 if (!opts) {
3857 exit(1);
3858 }
3859 configure_rtc(opts);
3860 break;
3861 case QEMU_OPTION_tb_size:
3862 tcg_tb_size = strtol(optarg, NULL, 0);
3863 if (tcg_tb_size < 0) {
3864 tcg_tb_size = 0;
3865 }
3866 break;
3867 case QEMU_OPTION_icount:
3868 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3869 optarg, true);
3870 if (!icount_opts) {
3871 exit(1);
3872 }
3873 break;
3874 case QEMU_OPTION_incoming:
3875 if (!incoming) {
3876 runstate_set(RUN_STATE_INMIGRATE);
3877 }
3878 incoming = optarg;
3879 break;
3880 case QEMU_OPTION_nodefaults:
3881 has_defaults = 0;
3882 break;
3883 case QEMU_OPTION_xen_domid:
3884 if (!(xen_available())) {
3885 printf("Option %s not supported for this target\n", popt->name);
3886 exit(1);
3887 }
3888 xen_domid = atoi(optarg);
3889 break;
3890 case QEMU_OPTION_xen_create:
3891 if (!(xen_available())) {
3892 printf("Option %s not supported for this target\n", popt->name);
3893 exit(1);
3894 }
3895 xen_mode = XEN_CREATE;
3896 break;
3897 case QEMU_OPTION_xen_attach:
3898 if (!(xen_available())) {
3899 printf("Option %s not supported for this target\n", popt->name);
3900 exit(1);
3901 }
3902 xen_mode = XEN_ATTACH;
3903 break;
3904 case QEMU_OPTION_trace:
3905 {
3906 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3907 optarg, true);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 if (qemu_opt_get(opts, "enable")) {
3912 trace_enable_events(qemu_opt_get(opts, "enable"));
3913 }
3914 trace_init_events(qemu_opt_get(opts, "events"));
3915 if (trace_file) {
3916 g_free(trace_file);
3917 }
3918 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3919 qemu_opts_del(opts);
3920 break;
3921 }
3922 case QEMU_OPTION_readconfig:
3923 {
3924 int ret = qemu_read_config_file(optarg);
3925 if (ret < 0) {
3926 error_report("read config %s: %s", optarg,
3927 strerror(-ret));
3928 exit(1);
3929 }
3930 break;
3931 }
3932 case QEMU_OPTION_spice:
3933 olist = qemu_find_opts("spice");
3934 if (!olist) {
3935 error_report("spice support is disabled");
3936 exit(1);
3937 }
3938 opts = qemu_opts_parse_noisily(olist, optarg, false);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 display_remote++;
3943 break;
3944 case QEMU_OPTION_writeconfig:
3945 {
3946 FILE *fp;
3947 if (strcmp(optarg, "-") == 0) {
3948 fp = stdout;
3949 } else {
3950 fp = fopen(optarg, "w");
3951 if (fp == NULL) {
3952 error_report("open %s: %s", optarg,
3953 strerror(errno));
3954 exit(1);
3955 }
3956 }
3957 qemu_config_write(fp);
3958 if (fp != stdout) {
3959 fclose(fp);
3960 }
3961 break;
3962 }
3963 case QEMU_OPTION_qtest:
3964 qtest_chrdev = optarg;
3965 break;
3966 case QEMU_OPTION_qtest_log:
3967 qtest_log = optarg;
3968 break;
3969 case QEMU_OPTION_sandbox:
3970 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3971 optarg, true);
3972 if (!opts) {
3973 exit(1);
3974 }
3975 break;
3976 case QEMU_OPTION_add_fd:
3977 #ifndef _WIN32
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3979 optarg, false);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 #else
3984 error_report("File descriptor passing is disabled on this "
3985 "platform");
3986 exit(1);
3987 #endif
3988 break;
3989 case QEMU_OPTION_object:
3990 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3991 optarg, true);
3992 if (!opts) {
3993 exit(1);
3994 }
3995 break;
3996 case QEMU_OPTION_realtime:
3997 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3998 optarg, false);
3999 if (!opts) {
4000 exit(1);
4001 }
4002 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4003 break;
4004 case QEMU_OPTION_msg:
4005 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4006 false);
4007 if (!opts) {
4008 exit(1);
4009 }
4010 configure_msg(opts);
4011 break;
4012 case QEMU_OPTION_dump_vmstate:
4013 if (vmstate_dump_file) {
4014 error_report("only one '-dump-vmstate' "
4015 "option may be given");
4016 exit(1);
4017 }
4018 vmstate_dump_file = fopen(optarg, "w");
4019 if (vmstate_dump_file == NULL) {
4020 error_report("open %s: %s", optarg, strerror(errno));
4021 exit(1);
4022 }
4023 break;
4024 default:
4025 os_parse_cmd_args(popt->index, optarg);
4026 }
4027 }
4028 }
4029
4030 replay_configure(icount_opts);
4031
4032 opts = qemu_get_machine_opts();
4033 optarg = qemu_opt_get(opts, "type");
4034 if (optarg) {
4035 machine_class = machine_parse(optarg);
4036 }
4037
4038 if (machine_class == NULL) {
4039 error_report("No machine specified, and there is no default");
4040 error_printf("Use -machine help to list supported machines\n");
4041 exit(1);
4042 }
4043
4044 set_memory_options(&ram_slots, &maxram_size, machine_class);
4045
4046 loc_set_none();
4047
4048 os_daemonize();
4049
4050 if (qemu_init_main_loop(&main_loop_err)) {
4051 error_report_err(main_loop_err);
4052 exit(1);
4053 }
4054
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4056 parse_sandbox, NULL, NULL)) {
4057 exit(1);
4058 }
4059
4060 if (qemu_opts_foreach(qemu_find_opts("name"),
4061 parse_name, NULL, NULL)) {
4062 exit(1);
4063 }
4064
4065 #ifndef _WIN32
4066 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4067 parse_add_fd, NULL, NULL)) {
4068 exit(1);
4069 }
4070
4071 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4072 cleanup_add_fd, NULL, NULL)) {
4073 exit(1);
4074 }
4075 #endif
4076
4077 current_machine = MACHINE(object_new(object_class_get_name(
4078 OBJECT_CLASS(machine_class))));
4079 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4080 exit(0);
4081 }
4082 object_property_add_child(object_get_root(), "machine",
4083 OBJECT(current_machine), &error_abort);
4084 cpu_exec_init_all();
4085
4086 if (machine_class->hw_version) {
4087 qemu_set_hw_version(machine_class->hw_version);
4088 }
4089
4090 /* Init CPU def lists, based on config
4091 * - Must be called after all the qemu_read_config_file() calls
4092 * - Must be called before list_cpus()
4093 * - Must be called before machine->init()
4094 */
4095 cpudef_init();
4096
4097 if (cpu_model && is_help_option(cpu_model)) {
4098 list_cpus(stdout, &fprintf, cpu_model);
4099 exit(0);
4100 }
4101
4102 trace_init_file(trace_file);
4103
4104 /* Open the logfile at this point and set the log mask if necessary.
4105 */
4106 if (log_file) {
4107 qemu_set_log_filename(log_file);
4108 }
4109
4110 if (log_mask) {
4111 int mask;
4112 mask = qemu_str_to_log_mask(log_mask);
4113 if (!mask) {
4114 qemu_print_log_usage(stdout);
4115 exit(1);
4116 }
4117 qemu_set_log(mask);
4118 }
4119
4120 if (!trace_init_backends()) {
4121 exit(1);
4122 }
4123
4124 /* If no data_dir is specified then try to find it relative to the
4125 executable path. */
4126 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4127 data_dir[data_dir_idx] = os_find_datadir();
4128 if (data_dir[data_dir_idx] != NULL) {
4129 data_dir_idx++;
4130 }
4131 }
4132 /* If all else fails use the install path specified when building. */
4133 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4134 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4135 }
4136
4137 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4138
4139 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4140 if (max_cpus > machine_class->max_cpus) {
4141 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4142 "supported by machine '%s' (%d)", max_cpus,
4143 machine_class->name, machine_class->max_cpus);
4144 exit(1);
4145 }
4146
4147 /*
4148 * Get the default machine options from the machine if it is not already
4149 * specified either by the configuration file or by the command line.
4150 */
4151 if (machine_class->default_machine_opts) {
4152 qemu_opts_set_defaults(qemu_find_opts("machine"),
4153 machine_class->default_machine_opts, 0);
4154 }
4155
4156 qemu_opts_foreach(qemu_find_opts("device"),
4157 default_driver_check, NULL, NULL);
4158 qemu_opts_foreach(qemu_find_opts("global"),
4159 default_driver_check, NULL, NULL);
4160
4161 if (!vga_model && !default_vga) {
4162 vga_interface_type = VGA_DEVICE;
4163 }
4164 if (!has_defaults || machine_class->no_serial) {
4165 default_serial = 0;
4166 }
4167 if (!has_defaults || machine_class->no_parallel) {
4168 default_parallel = 0;
4169 }
4170 if (!has_defaults || !machine_class->use_virtcon) {
4171 default_virtcon = 0;
4172 }
4173 if (!has_defaults || !machine_class->use_sclp) {
4174 default_sclp = 0;
4175 }
4176 if (!has_defaults || machine_class->no_floppy) {
4177 default_floppy = 0;
4178 }
4179 if (!has_defaults || machine_class->no_cdrom) {
4180 default_cdrom = 0;
4181 }
4182 if (!has_defaults || machine_class->no_sdcard) {
4183 default_sdcard = 0;
4184 }
4185 if (!has_defaults) {
4186 default_monitor = 0;
4187 default_net = 0;
4188 default_vga = 0;
4189 }
4190
4191 if (is_daemonized()) {
4192 /* According to documentation and historically, -nographic redirects
4193 * serial port, parallel port and monitor to stdio, which does not work
4194 * with -daemonize. We can redirect these to null instead, but since
4195 * -nographic is legacy, let's just error out.
4196 * We disallow -nographic only if all other ports are not redirected
4197 * explicitly, to not break existing legacy setups which uses
4198 * -nographic _and_ redirects all ports explicitly - this is valid
4199 * usage, -nographic is just a no-op in this case.
4200 */
4201 if (display_type == DT_NOGRAPHIC
4202 && (default_parallel || default_serial
4203 || default_monitor || default_virtcon)) {
4204 error_report("-nographic cannot be used with -daemonize");
4205 exit(1);
4206 }
4207 #ifdef CONFIG_CURSES
4208 if (display_type == DT_CURSES) {
4209 error_report("curses display cannot be used with -daemonize");
4210 exit(1);
4211 }
4212 #endif
4213 }
4214
4215 if (display_type == DT_NOGRAPHIC) {
4216 if (default_parallel)
4217 add_device_config(DEV_PARALLEL, "null");
4218 if (default_serial && default_monitor) {
4219 add_device_config(DEV_SERIAL, "mon:stdio");
4220 } else if (default_virtcon && default_monitor) {
4221 add_device_config(DEV_VIRTCON, "mon:stdio");
4222 } else if (default_sclp && default_monitor) {
4223 add_device_config(DEV_SCLP, "mon:stdio");
4224 } else {
4225 if (default_serial)
4226 add_device_config(DEV_SERIAL, "stdio");
4227 if (default_virtcon)
4228 add_device_config(DEV_VIRTCON, "stdio");
4229 if (default_sclp) {
4230 add_device_config(DEV_SCLP, "stdio");
4231 }
4232 if (default_monitor)
4233 monitor_parse("stdio", "readline", false);
4234 }
4235 } else {
4236 if (default_serial)
4237 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4238 if (default_parallel)
4239 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4240 if (default_monitor)
4241 monitor_parse("vc:80Cx24C", "readline", false);
4242 if (default_virtcon)
4243 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4244 if (default_sclp) {
4245 add_device_config(DEV_SCLP, "vc:80Cx24C");
4246 }
4247 }
4248
4249 #if defined(CONFIG_VNC)
4250 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4251 display_remote++;
4252 }
4253 #endif
4254 if (display_type == DT_DEFAULT && !display_remote) {
4255 #if defined(CONFIG_GTK)
4256 display_type = DT_GTK;
4257 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4258 display_type = DT_SDL;
4259 #elif defined(CONFIG_VNC)
4260 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4261 show_vnc_port = 1;
4262 #else
4263 display_type = DT_NONE;
4264 #endif
4265 }
4266
4267 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4268 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4269 "for SDL, ignoring option");
4270 }
4271 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4272 error_report("-no-quit is only valid for GTK and SDL, "
4273 "ignoring option");
4274 }
4275
4276 #if defined(CONFIG_GTK)
4277 if (display_type == DT_GTK) {
4278 early_gtk_display_init(request_opengl);
4279 }
4280 #endif
4281 #if defined(CONFIG_SDL)
4282 if (display_type == DT_SDL) {
4283 sdl_display_early_init(request_opengl);
4284 }
4285 #endif
4286 if (request_opengl == 1 && display_opengl == 0) {
4287 #if defined(CONFIG_OPENGL)
4288 error_report("OpenGL is not supported by the display");
4289 #else
4290 error_report("OpenGL support is disabled");
4291 #endif
4292 exit(1);
4293 }
4294
4295 page_size_init();
4296 socket_init();
4297
4298 if (qemu_opts_foreach(qemu_find_opts("object"),
4299 object_create,
4300 object_create_initial, NULL)) {
4301 exit(1);
4302 }
4303
4304 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4305 chardev_init_func, NULL, NULL)) {
4306 exit(1);
4307 }
4308
4309 #ifdef CONFIG_VIRTFS
4310 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4311 fsdev_init_func, NULL, NULL)) {
4312 exit(1);
4313 }
4314 #endif
4315
4316 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4317 error_report("could not acquire pid file: %s", strerror(errno));
4318 exit(1);
4319 }
4320
4321 if (qemu_opts_foreach(qemu_find_opts("device"),
4322 device_help_func, NULL, NULL)) {
4323 exit(0);
4324 }
4325
4326 machine_opts = qemu_get_machine_opts();
4327 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4328 NULL)) {
4329 object_unref(OBJECT(current_machine));
4330 exit(1);
4331 }
4332
4333 configure_accelerator(current_machine);
4334
4335 if (qtest_chrdev) {
4336 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4337 }
4338
4339 machine_opts = qemu_get_machine_opts();
4340 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4341 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4342 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4343 bios_name = qemu_opt_get(machine_opts, "firmware");
4344
4345 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4346 if (opts) {
4347 boot_order = qemu_opt_get(opts, "order");
4348 if (boot_order) {
4349 validate_bootdevices(boot_order, &error_fatal);
4350 }
4351
4352 boot_once = qemu_opt_get(opts, "once");
4353 if (boot_once) {
4354 validate_bootdevices(boot_once, &error_fatal);
4355 }
4356
4357 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4358 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4359 }
4360
4361 if (!boot_order) {
4362 boot_order = machine_class->default_boot_order;
4363 }
4364
4365 if (!kernel_cmdline) {
4366 kernel_cmdline = "";
4367 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4368 }
4369
4370 linux_boot = (kernel_filename != NULL);
4371
4372 if (!linux_boot && *kernel_cmdline != '\0') {
4373 error_report("-append only allowed with -kernel option");
4374 exit(1);
4375 }
4376
4377 if (!linux_boot && initrd_filename != NULL) {
4378 error_report("-initrd only allowed with -kernel option");
4379 exit(1);
4380 }
4381
4382 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4383 error_report("-dtb only allowed with -kernel option");
4384 exit(1);
4385 }
4386
4387 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4388 /* fall back to the -kernel/-append */
4389 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4390 }
4391
4392 os_set_line_buffering();
4393
4394 #ifdef CONFIG_SPICE
4395 /* spice needs the timers to be initialized by this point */
4396 qemu_spice_init();
4397 #endif
4398
4399 cpu_ticks_init();
4400 if (icount_opts) {
4401 if (kvm_enabled() || xen_enabled()) {
4402 error_report("-icount is not allowed with kvm or xen");
4403 exit(1);
4404 }
4405 configure_icount(icount_opts, &error_abort);
4406 qemu_opts_del(icount_opts);
4407 }
4408
4409 /* clean up network at qemu process termination */
4410 atexit(&net_cleanup);
4411
4412 if (net_init_clients() < 0) {
4413 exit(1);
4414 }
4415
4416 if (qemu_opts_foreach(qemu_find_opts("object"),
4417 object_create,
4418 object_create_delayed, NULL)) {
4419 exit(1);
4420 }
4421
4422 #ifdef CONFIG_TPM
4423 if (tpm_init() < 0) {
4424 exit(1);
4425 }
4426 #endif
4427
4428 /* init the bluetooth world */
4429 if (foreach_device_config(DEV_BT, bt_parse))
4430 exit(1);
4431
4432 if (!xen_enabled()) {
4433 /* On 32-bit hosts, QEMU is limited by virtual address space */
4434 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4435 error_report("at most 2047 MB RAM can be simulated");
4436 exit(1);
4437 }
4438 }
4439
4440 blk_mig_init();
4441 ram_mig_init();
4442
4443 /* If the currently selected machine wishes to override the units-per-bus
4444 * property of its default HBA interface type, do so now. */
4445 if (machine_class->units_per_default_bus) {
4446 override_max_devs(machine_class->block_default_type,
4447 machine_class->units_per_default_bus);
4448 }
4449
4450 /* open the virtual block devices */
4451 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4452 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4453 NULL, NULL);
4454 }
4455 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4456 &machine_class->block_default_type, NULL)) {
4457 exit(1);
4458 }
4459
4460 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4461 CDROM_OPTS);
4462 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4463 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4464
4465 parse_numa_opts(machine_class);
4466
4467 if (qemu_opts_foreach(qemu_find_opts("mon"),
4468 mon_init_func, NULL, NULL)) {
4469 exit(1);
4470 }
4471
4472 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4479 exit(1);
4480 }
4481 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4482 exit(1);
4483
4484 /* If no default VGA is requested, the default is "none". */
4485 if (default_vga) {
4486 if (machine_class->default_display) {
4487 vga_model = machine_class->default_display;
4488 } else if (cirrus_vga_available()) {
4489 vga_model = "cirrus";
4490 } else if (vga_available()) {
4491 vga_model = "std";
4492 }
4493 }
4494 if (vga_model) {
4495 select_vgahw(vga_model);
4496 }
4497
4498 if (watchdog) {
4499 i = select_watchdog(watchdog);
4500 if (i > 0)
4501 exit (i == 1 ? 1 : 0);
4502 }
4503
4504 if (machine_class->compat_props) {
4505 qdev_prop_register_global_list(machine_class->compat_props);
4506 }
4507 qemu_add_globals();
4508
4509 /* This checkpoint is required by replay to separate prior clock
4510 reading from the other reads, because timer polling functions query
4511 clock values from the log. */
4512 replay_checkpoint(CHECKPOINT_INIT);
4513 qdev_machine_init();
4514
4515 current_machine->ram_size = ram_size;
4516 current_machine->maxram_size = maxram_size;
4517 current_machine->ram_slots = ram_slots;
4518 current_machine->boot_order = boot_order;
4519 current_machine->cpu_model = cpu_model;
4520
4521 machine_class->init(current_machine);
4522
4523 realtime_init();
4524
4525 audio_init();
4526
4527 cpu_synchronize_all_post_init();
4528
4529 numa_post_machine_init();
4530
4531 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4532 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4533 exit(1);
4534 }
4535
4536 /* init USB devices */
4537 if (usb_enabled()) {
4538 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4539 exit(1);
4540 }
4541
4542 /* Check if IGD GFX passthrough. */
4543 igd_gfx_passthru();
4544
4545 /* init generic devices */
4546 if (qemu_opts_foreach(qemu_find_opts("device"),
4547 device_init_func, NULL, NULL)) {
4548 exit(1);
4549 }
4550
4551 /* Did we create any drives that we failed to create a device for? */
4552 drive_check_orphaned();
4553
4554 net_check_clients();
4555
4556 if (boot_once) {
4557 Error *local_err = NULL;
4558 qemu_boot_set(boot_once, &local_err);
4559 if (local_err) {
4560 error_report_err(local_err);
4561 exit(1);
4562 }
4563 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4564 }
4565
4566 ds = init_displaystate();
4567
4568 /* init local displays */
4569 switch (display_type) {
4570 case DT_NOGRAPHIC:
4571 (void)ds; /* avoid warning if no display is configured */
4572 break;
4573 #if defined(CONFIG_CURSES)
4574 case DT_CURSES:
4575 curses_display_init(ds, full_screen);
4576 break;
4577 #endif
4578 #if defined(CONFIG_SDL)
4579 case DT_SDL:
4580 sdl_display_init(ds, full_screen, no_frame);
4581 break;
4582 #elif defined(CONFIG_COCOA)
4583 case DT_SDL:
4584 cocoa_display_init(ds, full_screen);
4585 break;
4586 #endif
4587 #if defined(CONFIG_GTK)
4588 case DT_GTK:
4589 gtk_display_init(ds, full_screen, grab_on_hover);
4590 break;
4591 #endif
4592 default:
4593 break;
4594 }
4595
4596 /* must be after terminal init, SDL library changes signal handlers */
4597 os_setup_signal_handling();
4598
4599 #ifdef CONFIG_VNC
4600 /* init remote displays */
4601 qemu_opts_foreach(qemu_find_opts("vnc"),
4602 vnc_init_func, NULL, NULL);
4603 if (show_vnc_port) {
4604 char *ret = vnc_display_local_addr("default");
4605 printf("VNC server running on '%s'\n", ret);
4606 g_free(ret);
4607 }
4608 #endif
4609 #ifdef CONFIG_SPICE
4610 if (using_spice) {
4611 qemu_spice_display_init();
4612 }
4613 #endif
4614
4615 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4616 exit(1);
4617 }
4618
4619 qdev_machine_creation_done();
4620
4621 /* TODO: once all bus devices are qdevified, this should be done
4622 * when bus is created by qdev.c */
4623 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4624 qemu_run_machine_init_done_notifiers();
4625
4626 if (rom_check_and_register_reset() != 0) {
4627 error_report("rom check and register reset failed");
4628 exit(1);
4629 }
4630
4631 replay_start();
4632
4633 /* This checkpoint is required by replay to separate prior clock
4634 reading from the other reads, because timer polling functions query
4635 clock values from the log. */
4636 replay_checkpoint(CHECKPOINT_RESET);
4637 qemu_system_reset(VMRESET_SILENT);
4638 register_global_state();
4639 if (loadvm) {
4640 if (load_vmstate(loadvm) < 0) {
4641 autostart = 0;
4642 }
4643 }
4644
4645 qdev_prop_check_globals();
4646 if (vmstate_dump_file) {
4647 /* dump and exit */
4648 dump_vmstate_json_to_file(vmstate_dump_file);
4649 return 0;
4650 }
4651
4652 if (incoming) {
4653 Error *local_err = NULL;
4654 qemu_start_incoming_migration(incoming, &local_err);
4655 if (local_err) {
4656 error_reportf_err(local_err, "-incoming %s: ", incoming);
4657 exit(1);
4658 }
4659 } else if (autostart) {
4660 vm_start();
4661 }
4662
4663 os_setup_post();
4664
4665 main_loop();
4666 replay_disable_events();
4667
4668 bdrv_close_all();
4669 pause_all_vcpus();
4670 res_free();
4671 #ifdef CONFIG_TPM
4672 tpm_cleanup();
4673 #endif
4674
4675 return 0;
4676 }
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