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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 "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28
29 #ifdef CONFIG_SECCOMP
30 #include "sysemu/seccomp.h"
31 #endif
32
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210 static int default_net = 1;
211
212 static struct {
213 const char *driver;
214 int *flag;
215 } default_list[] = {
216 { .driver = "isa-serial", .flag = &default_serial },
217 { .driver = "isa-parallel", .flag = &default_parallel },
218 { .driver = "isa-fdc", .flag = &default_floppy },
219 { .driver = "ide-cd", .flag = &default_cdrom },
220 { .driver = "ide-hd", .flag = &default_cdrom },
221 { .driver = "ide-drive", .flag = &default_cdrom },
222 { .driver = "scsi-cd", .flag = &default_cdrom },
223 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
224 { .driver = "virtio-serial", .flag = &default_virtcon },
225 { .driver = "VGA", .flag = &default_vga },
226 { .driver = "isa-vga", .flag = &default_vga },
227 { .driver = "cirrus-vga", .flag = &default_vga },
228 { .driver = "isa-cirrus-vga", .flag = &default_vga },
229 { .driver = "vmware-svga", .flag = &default_vga },
230 { .driver = "qxl-vga", .flag = &default_vga },
231 { .driver = "virtio-vga", .flag = &default_vga },
232 };
233
234 static QemuOptsList qemu_rtc_opts = {
235 .name = "rtc",
236 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
237 .desc = {
238 {
239 .name = "base",
240 .type = QEMU_OPT_STRING,
241 },{
242 .name = "clock",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "driftfix",
246 .type = QEMU_OPT_STRING,
247 },
248 { /* end of list */ }
249 },
250 };
251
252 static QemuOptsList qemu_sandbox_opts = {
253 .name = "sandbox",
254 .implied_opt_name = "enable",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
256 .desc = {
257 {
258 .name = "enable",
259 .type = QEMU_OPT_BOOL,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_trace_opts = {
266 .name = "trace",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_STRING,
273 },
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "rr",
478 .type = QEMU_OPT_STRING,
479 }, {
480 .name = "rrfile",
481 .type = QEMU_OPT_STRING,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_semihosting_config_opts = {
488 .name = "semihosting-config",
489 .implied_opt_name = "enable",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
491 .desc = {
492 {
493 .name = "enable",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "target",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "arg",
500 .type = QEMU_OPT_STRING,
501 },
502 { /* end of list */ }
503 },
504 };
505
506 static QemuOptsList qemu_fw_cfg_opts = {
507 .name = "fw_cfg",
508 .implied_opt_name = "name",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
510 .desc = {
511 {
512 .name = "name",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the fw_cfg name of the blob to be inserted",
515 }, {
516 .name = "file",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets the name of the file from which\n"
519 "the fw_cfg blob will be loaded",
520 }, {
521 .name = "string",
522 .type = QEMU_OPT_STRING,
523 .help = "Sets content of the blob to be inserted from a string",
524 },
525 { /* end of list */ }
526 },
527 };
528
529 /**
530 * Get machine options
531 *
532 * Returns: machine options (never null).
533 */
534 QemuOpts *qemu_get_machine_opts(void)
535 {
536 return qemu_find_opts_singleton("machine");
537 }
538
539 const char *qemu_get_vm_name(void)
540 {
541 return qemu_name;
542 }
543
544 static void res_free(void)
545 {
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
548 }
549
550 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 /* We use RUN_STATE__MAX but any invalid value will do */
571 static RunState vmstop_requested = RUN_STATE__MAX;
572 static QemuMutex vmstop_lock;
573
574 typedef struct {
575 RunState from;
576 RunState to;
577 } RunStateTransition;
578
579 static const RunStateTransition runstate_transitions_def[] = {
580 /* from -> to */
581 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
582 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
584
585 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
592 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
595 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
602 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
612
613 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
622 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
625 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
628 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
632 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
633 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
634
635 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
636
637 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
642 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
643 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
644 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
648 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE__MAX, RUN_STATE__MAX },
656 };
657
658 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
659
660 bool runstate_check(RunState state)
661 {
662 return current_run_state == state;
663 }
664
665 bool runstate_store(char *str, size_t size)
666 {
667 const char *state = RunState_lookup[current_run_state];
668 size_t len = strlen(state) + 1;
669
670 if (len > size) {
671 return false;
672 }
673 memcpy(str, state, len);
674 return true;
675 }
676
677 static void runstate_init(void)
678 {
679 const RunStateTransition *p;
680
681 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
682 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
683 runstate_valid_transitions[p->from][p->to] = true;
684 }
685
686 qemu_mutex_init(&vmstop_lock);
687 }
688
689 /* This function will abort() on invalid state transitions */
690 void runstate_set(RunState new_state)
691 {
692 assert(new_state < RUN_STATE__MAX);
693
694 if (current_run_state == new_state) {
695 return;
696 }
697
698 if (!runstate_valid_transitions[current_run_state][new_state]) {
699 error_report("invalid runstate transition: '%s' -> '%s'",
700 RunState_lookup[current_run_state],
701 RunState_lookup[new_state]);
702 abort();
703 }
704 trace_runstate_set(new_state);
705 current_run_state = new_state;
706 }
707
708 int runstate_is_running(void)
709 {
710 return runstate_check(RUN_STATE_RUNNING);
711 }
712
713 bool runstate_needs_reset(void)
714 {
715 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
716 runstate_check(RUN_STATE_SHUTDOWN);
717 }
718
719 StatusInfo *qmp_query_status(Error **errp)
720 {
721 StatusInfo *info = g_malloc0(sizeof(*info));
722
723 info->running = runstate_is_running();
724 info->singlestep = singlestep;
725 info->status = current_run_state;
726
727 return info;
728 }
729
730 static bool qemu_vmstop_requested(RunState *r)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 *r = vmstop_requested;
734 vmstop_requested = RUN_STATE__MAX;
735 qemu_mutex_unlock(&vmstop_lock);
736 return *r < RUN_STATE__MAX;
737 }
738
739 void qemu_system_vmstop_request_prepare(void)
740 {
741 qemu_mutex_lock(&vmstop_lock);
742 }
743
744 void qemu_system_vmstop_request(RunState state)
745 {
746 vmstop_requested = state;
747 qemu_mutex_unlock(&vmstop_lock);
748 qemu_notify_event();
749 }
750
751 void vm_start(void)
752 {
753 RunState requested;
754
755 qemu_vmstop_requested(&requested);
756 if (runstate_is_running() && requested == RUN_STATE__MAX) {
757 return;
758 }
759
760 /* Ensure that a STOP/RESUME pair of events is emitted if a
761 * vmstop request was pending. The BLOCK_IO_ERROR event, for
762 * example, according to documentation is always followed by
763 * the STOP event.
764 */
765 if (runstate_is_running()) {
766 qapi_event_send_stop(&error_abort);
767 } else {
768 cpu_enable_ticks();
769 runstate_set(RUN_STATE_RUNNING);
770 vm_state_notify(1, RUN_STATE_RUNNING);
771 resume_all_vcpus();
772 }
773
774 qapi_event_send_resume(&error_abort);
775 }
776
777
778 /***********************************************************/
779 /* real time host monotonic timer */
780
781 static time_t qemu_time(void)
782 {
783 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
784 }
785
786 /***********************************************************/
787 /* host time/date access */
788 void qemu_get_timedate(struct tm *tm, int offset)
789 {
790 time_t ti = qemu_time();
791
792 ti += offset;
793 if (rtc_date_offset == -1) {
794 if (rtc_utc)
795 gmtime_r(&ti, tm);
796 else
797 localtime_r(&ti, tm);
798 } else {
799 ti -= rtc_date_offset;
800 gmtime_r(&ti, tm);
801 }
802 }
803
804 int qemu_timedate_diff(struct tm *tm)
805 {
806 time_t seconds;
807
808 if (rtc_date_offset == -1)
809 if (rtc_utc)
810 seconds = mktimegm(tm);
811 else {
812 struct tm tmp = *tm;
813 tmp.tm_isdst = -1; /* use timezone to figure it out */
814 seconds = mktime(&tmp);
815 }
816 else
817 seconds = mktimegm(tm) + rtc_date_offset;
818
819 return seconds - qemu_time();
820 }
821
822 static void configure_rtc_date_offset(const char *startdate, int legacy)
823 {
824 time_t rtc_start_date;
825 struct tm tm;
826
827 if (!strcmp(startdate, "now") && legacy) {
828 rtc_date_offset = -1;
829 } else {
830 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
831 &tm.tm_year,
832 &tm.tm_mon,
833 &tm.tm_mday,
834 &tm.tm_hour,
835 &tm.tm_min,
836 &tm.tm_sec) == 6) {
837 /* OK */
838 } else if (sscanf(startdate, "%d-%d-%d",
839 &tm.tm_year,
840 &tm.tm_mon,
841 &tm.tm_mday) == 3) {
842 tm.tm_hour = 0;
843 tm.tm_min = 0;
844 tm.tm_sec = 0;
845 } else {
846 goto date_fail;
847 }
848 tm.tm_year -= 1900;
849 tm.tm_mon--;
850 rtc_start_date = mktimegm(&tm);
851 if (rtc_start_date == -1) {
852 date_fail:
853 error_report("invalid date format");
854 error_printf("valid formats: "
855 "'2006-06-17T16:01:21' or '2006-06-17'\n");
856 exit(1);
857 }
858 rtc_date_offset = qemu_time() - rtc_start_date;
859 }
860 }
861
862 static void configure_rtc(QemuOpts *opts)
863 {
864 const char *value;
865
866 value = qemu_opt_get(opts, "base");
867 if (value) {
868 if (!strcmp(value, "utc")) {
869 rtc_utc = 1;
870 } else if (!strcmp(value, "localtime")) {
871 Error *blocker = NULL;
872 rtc_utc = 0;
873 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
874 "-rtc base=localtime");
875 replay_add_blocker(blocker);
876 } else {
877 configure_rtc_date_offset(value, 0);
878 }
879 }
880 value = qemu_opt_get(opts, "clock");
881 if (value) {
882 if (!strcmp(value, "host")) {
883 rtc_clock = QEMU_CLOCK_HOST;
884 } else if (!strcmp(value, "rt")) {
885 rtc_clock = QEMU_CLOCK_REALTIME;
886 } else if (!strcmp(value, "vm")) {
887 rtc_clock = QEMU_CLOCK_VIRTUAL;
888 } else {
889 error_report("invalid option value '%s'", value);
890 exit(1);
891 }
892 }
893 value = qemu_opt_get(opts, "driftfix");
894 if (value) {
895 if (!strcmp(value, "slew")) {
896 static GlobalProperty slew_lost_ticks = {
897 .driver = "mc146818rtc",
898 .property = "lost_tick_policy",
899 .value = "slew",
900 };
901
902 qdev_prop_register_global(&slew_lost_ticks);
903 } else if (!strcmp(value, "none")) {
904 /* discard is default */
905 } else {
906 error_report("invalid option value '%s'", value);
907 exit(1);
908 }
909 }
910 }
911
912 /***********************************************************/
913 /* Bluetooth support */
914 static int nb_hcis;
915 static int cur_hci;
916 static struct HCIInfo *hci_table[MAX_NICS];
917
918 struct HCIInfo *qemu_next_hci(void)
919 {
920 if (cur_hci == nb_hcis)
921 return &null_hci;
922
923 return hci_table[cur_hci++];
924 }
925
926 static int bt_hci_parse(const char *str)
927 {
928 struct HCIInfo *hci;
929 bdaddr_t bdaddr;
930
931 if (nb_hcis >= MAX_NICS) {
932 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
933 return -1;
934 }
935
936 hci = hci_init(str);
937 if (!hci)
938 return -1;
939
940 bdaddr.b[0] = 0x52;
941 bdaddr.b[1] = 0x54;
942 bdaddr.b[2] = 0x00;
943 bdaddr.b[3] = 0x12;
944 bdaddr.b[4] = 0x34;
945 bdaddr.b[5] = 0x56 + nb_hcis;
946 hci->bdaddr_set(hci, bdaddr.b);
947
948 hci_table[nb_hcis++] = hci;
949
950 return 0;
951 }
952
953 static void bt_vhci_add(int vlan_id)
954 {
955 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 error_report("warning: adding a VHCI to an empty scatternet %i",
959 vlan_id);
960
961 bt_vhci_init(bt_new_hci(vlan));
962 }
963
964 static struct bt_device_s *bt_device_add(const char *opt)
965 {
966 struct bt_scatternet_s *vlan;
967 int vlan_id = 0;
968 char *endp = strstr(opt, ",vlan=");
969 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 char devname[10];
971
972 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973
974 if (endp) {
975 vlan_id = strtol(endp + 6, &endp, 0);
976 if (*endp) {
977 error_report("unrecognised bluetooth vlan Id");
978 return 0;
979 }
980 }
981
982 vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 error_report("warning: adding a slave device to an empty scatternet %i",
986 vlan_id);
987
988 if (!strcmp(devname, "keyboard"))
989 return bt_keyboard_init(vlan);
990
991 error_report("unsupported bluetooth device '%s'", devname);
992 return 0;
993 }
994
995 static int bt_parse(const char *opt)
996 {
997 const char *endp, *p;
998 int vlan;
999
1000 if (strstart(opt, "hci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp)
1003 if (!strstart(endp, ",vlan=", 0))
1004 opt = endp + 1;
1005
1006 return bt_hci_parse(opt);
1007 }
1008 } else if (strstart(opt, "vhci", &endp)) {
1009 if (!*endp || *endp == ',') {
1010 if (*endp) {
1011 if (strstart(endp, ",vlan=", &p)) {
1012 vlan = strtol(p, (char **) &endp, 0);
1013 if (*endp) {
1014 error_report("bad scatternet '%s'", p);
1015 return 1;
1016 }
1017 } else {
1018 error_report("bad parameter '%s'", endp + 1);
1019 return 1;
1020 }
1021 } else
1022 vlan = 0;
1023
1024 bt_vhci_add(vlan);
1025 return 0;
1026 }
1027 } else if (strstart(opt, "device:", &endp))
1028 return !bt_device_add(endp);
1029
1030 error_report("bad bluetooth parameter '%s'", opt);
1031 return 1;
1032 }
1033
1034 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 {
1036 /* FIXME: change this to true for 1.3 */
1037 if (qemu_opt_get_bool(opts, "enable", false)) {
1038 #ifdef CONFIG_SECCOMP
1039 if (seccomp_start() < 0) {
1040 error_report("failed to install seccomp syscall filter "
1041 "in the kernel");
1042 return -1;
1043 }
1044 #else
1045 error_report("seccomp support is disabled");
1046 return -1;
1047 #endif
1048 }
1049
1050 return 0;
1051 }
1052
1053 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 const char *proc_name;
1056
1057 if (qemu_opt_get(opts, "debug-threads")) {
1058 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 }
1060 qemu_name = qemu_opt_get(opts, "guest");
1061
1062 proc_name = qemu_opt_get(opts, "process");
1063 if (proc_name) {
1064 os_set_proc_name(proc_name);
1065 }
1066
1067 return 0;
1068 }
1069
1070 bool defaults_enabled(void)
1071 {
1072 return has_defaults;
1073 }
1074
1075 #ifndef _WIN32
1076 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1077 {
1078 int fd, dupfd, flags;
1079 int64_t fdset_id;
1080 const char *fd_opaque = NULL;
1081 AddfdInfo *fdinfo;
1082
1083 fd = qemu_opt_get_number(opts, "fd", -1);
1084 fdset_id = qemu_opt_get_number(opts, "set", -1);
1085 fd_opaque = qemu_opt_get(opts, "opaque");
1086
1087 if (fd < 0) {
1088 error_report("fd option is required and must be non-negative");
1089 return -1;
1090 }
1091
1092 if (fd <= STDERR_FILENO) {
1093 error_report("fd cannot be a standard I/O stream");
1094 return -1;
1095 }
1096
1097 /*
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1100 */
1101 flags = fcntl(fd, F_GETFD);
1102 if (flags == -1 || (flags & FD_CLOEXEC)) {
1103 error_report("fd is not valid or already in use");
1104 return -1;
1105 }
1106
1107 if (fdset_id < 0) {
1108 error_report("set option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1114 #else
1115 dupfd = dup(fd);
1116 if (dupfd != -1) {
1117 qemu_set_cloexec(dupfd);
1118 }
1119 #endif
1120 if (dupfd == -1) {
1121 error_report("error duplicating fd: %s", strerror(errno));
1122 return -1;
1123 }
1124
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1127 &error_abort);
1128 g_free(fdinfo);
1129
1130 return 0;
1131 }
1132
1133 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 int fd;
1136
1137 fd = qemu_opt_get_number(opts, "fd", -1);
1138 close(fd);
1139
1140 return 0;
1141 }
1142 #endif
1143
1144 /***********************************************************/
1145 /* QEMU Block devices */
1146
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1149 #define FD_OPTS ""
1150 #define PFLASH_OPTS ""
1151 #define MTD_OPTS ""
1152 #define SD_OPTS ""
1153
1154 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 BlockInterfaceType *block_default_type = opaque;
1157
1158 return drive_new(opts, *block_default_type) == NULL;
1159 }
1160
1161 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 if (qemu_opt_get(opts, "snapshot") == NULL) {
1164 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1165 }
1166 return 0;
1167 }
1168
1169 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1170 int index, const char *optstr)
1171 {
1172 QemuOpts *opts;
1173 DriveInfo *dinfo;
1174
1175 if (!enable || drive_get_by_index(type, index)) {
1176 return;
1177 }
1178
1179 opts = drive_add(type, index, NULL, optstr);
1180 if (snapshot) {
1181 drive_enable_snapshot(NULL, opts, NULL);
1182 }
1183
1184 dinfo = drive_new(opts, type);
1185 if (!dinfo) {
1186 exit(1);
1187 }
1188 dinfo->is_default = true;
1189
1190 }
1191
1192 static QemuOptsList qemu_smp_opts = {
1193 .name = "smp-opts",
1194 .implied_opt_name = "cpus",
1195 .merge_lists = true,
1196 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1197 .desc = {
1198 {
1199 .name = "cpus",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "sockets",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "cores",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "threads",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "maxcpus",
1212 .type = QEMU_OPT_NUMBER,
1213 },
1214 { /*End of list */ }
1215 },
1216 };
1217
1218 static void smp_parse(QemuOpts *opts)
1219 {
1220 if (opts) {
1221
1222 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1223 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1224 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1225 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1226
1227 /* compute missing values, prefer sockets over cores over threads */
1228 if (cpus == 0 || sockets == 0) {
1229 sockets = sockets > 0 ? sockets : 1;
1230 cores = cores > 0 ? cores : 1;
1231 threads = threads > 0 ? threads : 1;
1232 if (cpus == 0) {
1233 cpus = cores * threads * sockets;
1234 }
1235 } else if (cores == 0) {
1236 threads = threads > 0 ? threads : 1;
1237 cores = cpus / (sockets * threads);
1238 } else if (threads == 0) {
1239 threads = cpus / (cores * sockets);
1240 } else if (sockets * cores * threads < cpus) {
1241 error_report("cpu topology: "
1242 "sockets (%u) * cores (%u) * threads (%u) < "
1243 "smp_cpus (%u)",
1244 sockets, cores, threads, cpus);
1245 exit(1);
1246 }
1247
1248 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1249 if (sockets * cores * threads > max_cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) > "
1252 "maxcpus (%u)",
1253 sockets, cores, threads, max_cpus);
1254 exit(1);
1255 }
1256
1257 smp_cpus = cpus;
1258 smp_cores = cores > 0 ? cores : 1;
1259 smp_threads = threads > 0 ? threads : 1;
1260
1261 }
1262
1263 if (max_cpus == 0) {
1264 max_cpus = smp_cpus;
1265 }
1266
1267 if (max_cpus > MAX_CPUMASK_BITS) {
1268 error_report("unsupported number of maxcpus");
1269 exit(1);
1270 }
1271 if (max_cpus < smp_cpus) {
1272 error_report("maxcpus must be equal to or greater than smp");
1273 exit(1);
1274 }
1275
1276 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1277 Error *blocker = NULL;
1278 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1279 replay_add_blocker(blocker);
1280 }
1281 }
1282
1283 static void realtime_init(void)
1284 {
1285 if (enable_mlock) {
1286 if (os_mlock() < 0) {
1287 error_report("locking memory failed");
1288 exit(1);
1289 }
1290 }
1291 }
1292
1293
1294 static void configure_msg(QemuOpts *opts)
1295 {
1296 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1297 }
1298
1299 /***********************************************************/
1300 /* Semihosting */
1301
1302 typedef struct SemihostingConfig {
1303 bool enabled;
1304 SemihostingTarget target;
1305 const char **argv;
1306 int argc;
1307 const char *cmdline; /* concatenated argv */
1308 } SemihostingConfig;
1309
1310 static SemihostingConfig semihosting;
1311
1312 bool semihosting_enabled(void)
1313 {
1314 return semihosting.enabled;
1315 }
1316
1317 SemihostingTarget semihosting_get_target(void)
1318 {
1319 return semihosting.target;
1320 }
1321
1322 const char *semihosting_get_arg(int i)
1323 {
1324 if (i >= semihosting.argc) {
1325 return NULL;
1326 }
1327 return semihosting.argv[i];
1328 }
1329
1330 int semihosting_get_argc(void)
1331 {
1332 return semihosting.argc;
1333 }
1334
1335 const char *semihosting_get_cmdline(void)
1336 {
1337 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1338 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1339 }
1340 return semihosting.cmdline;
1341 }
1342
1343 static int add_semihosting_arg(void *opaque,
1344 const char *name, const char *val,
1345 Error **errp)
1346 {
1347 SemihostingConfig *s = opaque;
1348 if (strcmp(name, "arg") == 0) {
1349 s->argc++;
1350 /* one extra element as g_strjoinv() expects NULL-terminated array */
1351 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1352 s->argv[s->argc - 1] = val;
1353 s->argv[s->argc] = NULL;
1354 }
1355 return 0;
1356 }
1357
1358 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1359 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1360 {
1361 char *cmd_token;
1362
1363 /* argv[0] */
1364 add_semihosting_arg(&semihosting, "arg", file, NULL);
1365
1366 /* split -append and initialize argv[1..n] */
1367 cmd_token = strtok(g_strdup(cmd), " ");
1368 while (cmd_token) {
1369 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1370 cmd_token = strtok(NULL, " ");
1371 }
1372 }
1373
1374 /* Now we still need this for compatibility with XEN. */
1375 bool has_igd_gfx_passthru;
1376 static void igd_gfx_passthru(void)
1377 {
1378 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1379 }
1380
1381 /***********************************************************/
1382 /* USB devices */
1383
1384 static int usb_device_add(const char *devname)
1385 {
1386 USBDevice *dev = NULL;
1387 #ifndef CONFIG_LINUX
1388 const char *p;
1389 #endif
1390
1391 if (!machine_usb(current_machine)) {
1392 return -1;
1393 }
1394
1395 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1396 dev = usbdevice_create(devname);
1397 if (dev)
1398 goto done;
1399
1400 /* the other ones */
1401 #ifndef CONFIG_LINUX
1402 /* only the linux version is qdev-ified, usb-bsd still needs this */
1403 if (strstart(devname, "host:", &p)) {
1404 dev = usb_host_device_open(usb_bus_find(-1), p);
1405 }
1406 #endif
1407 if (!dev)
1408 return -1;
1409
1410 done:
1411 return 0;
1412 }
1413
1414 static int usb_device_del(const char *devname)
1415 {
1416 int bus_num, addr;
1417 const char *p;
1418
1419 if (strstart(devname, "host:", &p)) {
1420 return -1;
1421 }
1422
1423 if (!machine_usb(current_machine)) {
1424 return -1;
1425 }
1426
1427 p = strchr(devname, '.');
1428 if (!p)
1429 return -1;
1430 bus_num = strtoul(devname, NULL, 0);
1431 addr = strtoul(p + 1, NULL, 0);
1432
1433 return usb_device_delete_addr(bus_num, addr);
1434 }
1435
1436 static int usb_parse(const char *cmdline)
1437 {
1438 int r;
1439 r = usb_device_add(cmdline);
1440 if (r < 0) {
1441 error_report("could not add USB device '%s'", cmdline);
1442 }
1443 return r;
1444 }
1445
1446 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1447 {
1448 const char *devname = qdict_get_str(qdict, "devname");
1449 if (usb_device_add(devname) < 0) {
1450 error_report("could not add USB device '%s'", devname);
1451 }
1452 }
1453
1454 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1455 {
1456 const char *devname = qdict_get_str(qdict, "devname");
1457 if (usb_device_del(devname) < 0) {
1458 error_report("could not delete USB device '%s'", devname);
1459 }
1460 }
1461
1462 /***********************************************************/
1463 /* machine registration */
1464
1465 MachineState *current_machine;
1466
1467 static MachineClass *find_machine(const char *name)
1468 {
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1471
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1474
1475 if (!strcmp(temp->name, name)) {
1476 mc = temp;
1477 break;
1478 }
1479 if (temp->alias &&
1480 !strcmp(temp->alias, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 }
1485
1486 g_slist_free(machines);
1487 return mc;
1488 }
1489
1490 MachineClass *find_default_machine(void)
1491 {
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineClass *mc = NULL;
1494
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *temp = el->data;
1497
1498 if (temp->is_default) {
1499 mc = temp;
1500 break;
1501 }
1502 }
1503
1504 g_slist_free(machines);
1505 return mc;
1506 }
1507
1508 MachineInfoList *qmp_query_machines(Error **errp)
1509 {
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineInfoList *mach_list = NULL;
1512
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *mc = el->data;
1515 MachineInfoList *entry;
1516 MachineInfo *info;
1517
1518 info = g_malloc0(sizeof(*info));
1519 if (mc->is_default) {
1520 info->has_is_default = true;
1521 info->is_default = true;
1522 }
1523
1524 if (mc->alias) {
1525 info->has_alias = true;
1526 info->alias = g_strdup(mc->alias);
1527 }
1528
1529 info->name = g_strdup(mc->name);
1530 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1531
1532 entry = g_malloc0(sizeof(*entry));
1533 entry->value = info;
1534 entry->next = mach_list;
1535 mach_list = entry;
1536 }
1537
1538 g_slist_free(machines);
1539 return mach_list;
1540 }
1541
1542 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1543 {
1544 ObjectProperty *prop;
1545 ObjectPropertyIterator iter;
1546
1547 if (!qemu_opt_has_help_opt(opts)) {
1548 return 0;
1549 }
1550
1551 object_property_iter_init(&iter, OBJECT(machine));
1552 while ((prop = object_property_iter_next(&iter))) {
1553 if (!prop->set) {
1554 continue;
1555 }
1556
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1561 } else {
1562 error_printf("\n");
1563 }
1564 }
1565
1566 return 1;
1567 }
1568
1569 /***********************************************************/
1570 /* main execution loop */
1571
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1574 void *opaque;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1576 };
1577
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1581 void *opaque)
1582 {
1583 VMChangeStateEntry *e;
1584
1585 e = g_malloc0(sizeof (*e));
1586
1587 e->cb = cb;
1588 e->opaque = opaque;
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1590 return e;
1591 }
1592
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 {
1595 QLIST_REMOVE (e, entries);
1596 g_free (e);
1597 }
1598
1599 void vm_state_notify(int running, RunState state)
1600 {
1601 VMChangeStateEntry *e, *next;
1602
1603 trace_vm_state_notify(running, state);
1604
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1607 }
1608 }
1609
1610 /* reset/shutdown handler */
1611
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1615 void *opaque;
1616 } QEMUResetEntry;
1617
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634
1635 int qemu_shutdown_requested_get(void)
1636 {
1637 return shutdown_requested;
1638 }
1639
1640 int qemu_reset_requested_get(void)
1641 {
1642 return reset_requested;
1643 }
1644
1645 static int qemu_shutdown_requested(void)
1646 {
1647 return atomic_xchg(&shutdown_requested, 0);
1648 }
1649
1650 static void qemu_kill_report(void)
1651 {
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 if (shutdown_pid == 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1656 */
1657 error_report("terminating on signal %d", shutdown_signal);
1658 } else {
1659 error_report("terminating on signal %d from pid " FMT_pid,
1660 shutdown_signal, shutdown_pid);
1661 }
1662 shutdown_signal = -1;
1663 }
1664 }
1665
1666 static int qemu_reset_requested(void)
1667 {
1668 int r = reset_requested;
1669 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1670 reset_requested = 0;
1671 return r;
1672 }
1673 return false;
1674 }
1675
1676 static int qemu_suspend_requested(void)
1677 {
1678 int r = suspend_requested;
1679 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1680 suspend_requested = 0;
1681 return r;
1682 }
1683 return false;
1684 }
1685
1686 static WakeupReason qemu_wakeup_requested(void)
1687 {
1688 return wakeup_reason;
1689 }
1690
1691 static int qemu_powerdown_requested(void)
1692 {
1693 int r = powerdown_requested;
1694 powerdown_requested = 0;
1695 return r;
1696 }
1697
1698 static int qemu_debug_requested(void)
1699 {
1700 int r = debug_requested;
1701 debug_requested = 0;
1702 return r;
1703 }
1704
1705 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1706 {
1707 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1708
1709 re->func = func;
1710 re->opaque = opaque;
1711 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1712 }
1713
1714 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1715 {
1716 QEMUResetEntry *re;
1717
1718 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1719 if (re->func == func && re->opaque == opaque) {
1720 QTAILQ_REMOVE(&reset_handlers, re, entry);
1721 g_free(re);
1722 return;
1723 }
1724 }
1725 }
1726
1727 void qemu_devices_reset(void)
1728 {
1729 QEMUResetEntry *re, *nre;
1730
1731 /* reset all devices */
1732 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1733 re->func(re->opaque);
1734 }
1735 }
1736
1737 void qemu_system_reset(bool report)
1738 {
1739 MachineClass *mc;
1740
1741 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1742
1743 cpu_synchronize_all_states();
1744
1745 if (mc && mc->reset) {
1746 mc->reset();
1747 } else {
1748 qemu_devices_reset();
1749 }
1750 if (report) {
1751 qapi_event_send_reset(&error_abort);
1752 }
1753 cpu_synchronize_all_post_reset();
1754 }
1755
1756 void qemu_system_guest_panicked(void)
1757 {
1758 if (current_cpu) {
1759 current_cpu->crash_occurred = true;
1760 }
1761 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1762 vm_stop(RUN_STATE_GUEST_PANICKED);
1763 }
1764
1765 void qemu_system_reset_request(void)
1766 {
1767 if (no_reboot) {
1768 shutdown_requested = 1;
1769 } else {
1770 reset_requested = 1;
1771 }
1772 cpu_stop_current();
1773 qemu_notify_event();
1774 }
1775
1776 static void qemu_system_suspend(void)
1777 {
1778 pause_all_vcpus();
1779 notifier_list_notify(&suspend_notifiers, NULL);
1780 runstate_set(RUN_STATE_SUSPENDED);
1781 qapi_event_send_suspend(&error_abort);
1782 }
1783
1784 void qemu_system_suspend_request(void)
1785 {
1786 if (runstate_check(RUN_STATE_SUSPENDED)) {
1787 return;
1788 }
1789 suspend_requested = 1;
1790 cpu_stop_current();
1791 qemu_notify_event();
1792 }
1793
1794 void qemu_register_suspend_notifier(Notifier *notifier)
1795 {
1796 notifier_list_add(&suspend_notifiers, notifier);
1797 }
1798
1799 void qemu_system_wakeup_request(WakeupReason reason)
1800 {
1801 trace_system_wakeup_request(reason);
1802
1803 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1804 return;
1805 }
1806 if (!(wakeup_reason_mask & (1 << reason))) {
1807 return;
1808 }
1809 runstate_set(RUN_STATE_RUNNING);
1810 wakeup_reason = reason;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1815 {
1816 if (enabled) {
1817 wakeup_reason_mask |= (1 << reason);
1818 } else {
1819 wakeup_reason_mask &= ~(1 << reason);
1820 }
1821 }
1822
1823 void qemu_register_wakeup_notifier(Notifier *notifier)
1824 {
1825 notifier_list_add(&wakeup_notifiers, notifier);
1826 }
1827
1828 void qemu_system_killed(int signal, pid_t pid)
1829 {
1830 shutdown_signal = signal;
1831 shutdown_pid = pid;
1832 no_shutdown = 0;
1833
1834 /* Cannot call qemu_system_shutdown_request directly because
1835 * we are in a signal handler.
1836 */
1837 shutdown_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_system_shutdown_request(void)
1842 {
1843 trace_qemu_system_shutdown_request();
1844 replay_shutdown_request();
1845 shutdown_requested = 1;
1846 qemu_notify_event();
1847 }
1848
1849 static void qemu_system_powerdown(void)
1850 {
1851 qapi_event_send_powerdown(&error_abort);
1852 notifier_list_notify(&powerdown_notifiers, NULL);
1853 }
1854
1855 void qemu_system_powerdown_request(void)
1856 {
1857 trace_qemu_system_powerdown_request();
1858 powerdown_requested = 1;
1859 qemu_notify_event();
1860 }
1861
1862 void qemu_register_powerdown_notifier(Notifier *notifier)
1863 {
1864 notifier_list_add(&powerdown_notifiers, notifier);
1865 }
1866
1867 void qemu_system_debug_request(void)
1868 {
1869 debug_requested = 1;
1870 qemu_notify_event();
1871 }
1872
1873 static bool main_loop_should_exit(void)
1874 {
1875 RunState r;
1876 if (qemu_debug_requested()) {
1877 vm_stop(RUN_STATE_DEBUG);
1878 }
1879 if (qemu_suspend_requested()) {
1880 qemu_system_suspend();
1881 }
1882 if (qemu_shutdown_requested()) {
1883 qemu_kill_report();
1884 qapi_event_send_shutdown(&error_abort);
1885 if (no_shutdown) {
1886 vm_stop(RUN_STATE_SHUTDOWN);
1887 } else {
1888 return true;
1889 }
1890 }
1891 if (qemu_reset_requested()) {
1892 pause_all_vcpus();
1893 qemu_system_reset(VMRESET_REPORT);
1894 resume_all_vcpus();
1895 if (!runstate_check(RUN_STATE_RUNNING) &&
1896 !runstate_check(RUN_STATE_INMIGRATE)) {
1897 runstate_set(RUN_STATE_PRELAUNCH);
1898 }
1899 }
1900 if (qemu_wakeup_requested()) {
1901 pause_all_vcpus();
1902 qemu_system_reset(VMRESET_SILENT);
1903 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1904 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1905 resume_all_vcpus();
1906 qapi_event_send_wakeup(&error_abort);
1907 }
1908 if (qemu_powerdown_requested()) {
1909 qemu_system_powerdown();
1910 }
1911 if (qemu_vmstop_requested(&r)) {
1912 vm_stop(r);
1913 }
1914 return false;
1915 }
1916
1917 static void main_loop(void)
1918 {
1919 bool nonblocking;
1920 int last_io = 0;
1921 #ifdef CONFIG_PROFILER
1922 int64_t ti;
1923 #endif
1924 do {
1925 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1926 #ifdef CONFIG_PROFILER
1927 ti = profile_getclock();
1928 #endif
1929 last_io = main_loop_wait(nonblocking);
1930 #ifdef CONFIG_PROFILER
1931 dev_time += profile_getclock() - ti;
1932 #endif
1933 } while (!main_loop_should_exit());
1934 }
1935
1936 static void version(void)
1937 {
1938 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1939 }
1940
1941 static void help(int exitcode)
1942 {
1943 version();
1944 printf("usage: %s [options] [disk_image]\n\n"
1945 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1946 error_get_progname());
1947
1948 #define QEMU_OPTIONS_GENERATE_HELP
1949 #include "qemu-options-wrapper.h"
1950
1951 printf("\nDuring emulation, the following keys are useful:\n"
1952 "ctrl-alt-f toggle full screen\n"
1953 "ctrl-alt-n switch to virtual console 'n'\n"
1954 "ctrl-alt toggle mouse and keyboard grab\n"
1955 "\n"
1956 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1957
1958 exit(exitcode);
1959 }
1960
1961 #define HAS_ARG 0x0001
1962
1963 typedef struct QEMUOption {
1964 const char *name;
1965 int flags;
1966 int index;
1967 uint32_t arch_mask;
1968 } QEMUOption;
1969
1970 static const QEMUOption qemu_options[] = {
1971 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1972 #define QEMU_OPTIONS_GENERATE_OPTIONS
1973 #include "qemu-options-wrapper.h"
1974 { NULL },
1975 };
1976
1977 typedef struct VGAInterfaceInfo {
1978 const char *opt_name; /* option name */
1979 const char *name; /* human-readable name */
1980 /* Class names indicating that support is available.
1981 * If no class is specified, the interface is always available */
1982 const char *class_names[2];
1983 } VGAInterfaceInfo;
1984
1985 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1986 [VGA_NONE] = {
1987 .opt_name = "none",
1988 },
1989 [VGA_STD] = {
1990 .opt_name = "std",
1991 .name = "standard VGA",
1992 .class_names = { "VGA", "isa-vga" },
1993 },
1994 [VGA_CIRRUS] = {
1995 .opt_name = "cirrus",
1996 .name = "Cirrus VGA",
1997 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1998 },
1999 [VGA_VMWARE] = {
2000 .opt_name = "vmware",
2001 .name = "VMWare SVGA",
2002 .class_names = { "vmware-svga" },
2003 },
2004 [VGA_VIRTIO] = {
2005 .opt_name = "virtio",
2006 .name = "Virtio VGA",
2007 .class_names = { "virtio-vga" },
2008 },
2009 [VGA_QXL] = {
2010 .opt_name = "qxl",
2011 .name = "QXL VGA",
2012 .class_names = { "qxl-vga" },
2013 },
2014 [VGA_TCX] = {
2015 .opt_name = "tcx",
2016 .name = "TCX framebuffer",
2017 .class_names = { "SUNW,tcx" },
2018 },
2019 [VGA_CG3] = {
2020 .opt_name = "cg3",
2021 .name = "CG3 framebuffer",
2022 .class_names = { "cgthree" },
2023 },
2024 [VGA_XENFB] = {
2025 .opt_name = "xenfb",
2026 },
2027 };
2028
2029 static bool vga_interface_available(VGAInterfaceType t)
2030 {
2031 VGAInterfaceInfo *ti = &vga_interfaces[t];
2032
2033 assert(t < VGA_TYPE_MAX);
2034 return !ti->class_names[0] ||
2035 object_class_by_name(ti->class_names[0]) ||
2036 object_class_by_name(ti->class_names[1]);
2037 }
2038
2039 static void select_vgahw(const char *p)
2040 {
2041 const char *opts;
2042 int t;
2043
2044 assert(vga_interface_type == VGA_NONE);
2045 for (t = 0; t < VGA_TYPE_MAX; t++) {
2046 VGAInterfaceInfo *ti = &vga_interfaces[t];
2047 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2048 if (!vga_interface_available(t)) {
2049 error_report("%s not available", ti->name);
2050 exit(1);
2051 }
2052 vga_interface_type = t;
2053 break;
2054 }
2055 }
2056 if (t == VGA_TYPE_MAX) {
2057 invalid_vga:
2058 error_report("unknown vga type: %s", p);
2059 exit(1);
2060 }
2061 while (*opts) {
2062 const char *nextopt;
2063
2064 if (strstart(opts, ",retrace=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "dumb", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_DUMB;
2068 else if (strstart(opts, "precise", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_PRECISE;
2070 else goto invalid_vga;
2071 } else goto invalid_vga;
2072 opts = nextopt;
2073 }
2074 }
2075
2076 typedef enum DisplayType {
2077 DT_DEFAULT,
2078 DT_CURSES,
2079 DT_SDL,
2080 DT_COCOA,
2081 DT_GTK,
2082 DT_NONE,
2083 } DisplayType;
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 if (*opts == '=') {
2154 vnc_parse(opts + 1, &error_fatal);
2155 } else {
2156 error_report("VNC requires a display argument vnc=<display>");
2157 exit(1);
2158 }
2159 } else if (strstart(p, "curses", &opts)) {
2160 #ifdef CONFIG_CURSES
2161 display = DT_CURSES;
2162 #else
2163 error_report("curses support is disabled");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "gtk", &opts)) {
2167 #ifdef CONFIG_GTK
2168 display = DT_GTK;
2169 while (*opts) {
2170 const char *nextopt;
2171
2172 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 grab_on_hover = true;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 grab_on_hover = false;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 opts = nextopt;
2183 if (strstart(opts, "on", &nextopt)) {
2184 request_opengl = 1;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 request_opengl = 0;
2187 } else {
2188 goto invalid_gtk_args;
2189 }
2190 } else {
2191 invalid_gtk_args:
2192 error_report("invalid GTK option string");
2193 exit(1);
2194 }
2195 opts = nextopt;
2196 }
2197 #else
2198 error_report("GTK support is disabled");
2199 exit(1);
2200 #endif
2201 } else if (strstart(p, "none", &opts)) {
2202 display = DT_NONE;
2203 } else {
2204 error_report("unknown display type");
2205 exit(1);
2206 }
2207
2208 return display;
2209 }
2210
2211 static int balloon_parse(const char *arg)
2212 {
2213 QemuOpts *opts;
2214
2215 if (strcmp(arg, "none") == 0) {
2216 return 0;
2217 }
2218
2219 if (!strncmp(arg, "virtio", 6)) {
2220 if (arg[6] == ',') {
2221 /* have params -> parse them */
2222 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2223 false);
2224 if (!opts)
2225 return -1;
2226 } else {
2227 /* create empty opts */
2228 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2229 &error_abort);
2230 }
2231 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2232 return 0;
2233 }
2234
2235 return -1;
2236 }
2237
2238 char *qemu_find_file(int type, const char *name)
2239 {
2240 int i;
2241 const char *subdir;
2242 char *buf;
2243
2244 /* Try the name as a straight path first */
2245 if (access(name, R_OK) == 0) {
2246 trace_load_file(name, name);
2247 return g_strdup(name);
2248 }
2249
2250 switch (type) {
2251 case QEMU_FILE_TYPE_BIOS:
2252 subdir = "";
2253 break;
2254 case QEMU_FILE_TYPE_KEYMAP:
2255 subdir = "keymaps/";
2256 break;
2257 default:
2258 abort();
2259 }
2260
2261 for (i = 0; i < data_dir_idx; i++) {
2262 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2263 if (access(buf, R_OK) == 0) {
2264 trace_load_file(name, buf);
2265 return buf;
2266 }
2267 g_free(buf);
2268 }
2269 return NULL;
2270 }
2271
2272 static inline bool nonempty_str(const char *str)
2273 {
2274 return str && *str;
2275 }
2276
2277 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2278 {
2279 gchar *buf;
2280 size_t size;
2281 const char *name, *file, *str;
2282 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2283
2284 if (fw_cfg == NULL) {
2285 error_report("fw_cfg device not available");
2286 return -1;
2287 }
2288 name = qemu_opt_get(opts, "name");
2289 file = qemu_opt_get(opts, "file");
2290 str = qemu_opt_get(opts, "string");
2291
2292 /* we need name and either a file or the content string */
2293 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2294 error_report("invalid argument(s)");
2295 return -1;
2296 }
2297 if (nonempty_str(file) && nonempty_str(str)) {
2298 error_report("file and string are mutually exclusive");
2299 return -1;
2300 }
2301 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2302 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2303 return -1;
2304 }
2305 if (strncmp(name, "opt/", 4) != 0) {
2306 error_report("warning: externally provided fw_cfg item names "
2307 "should be prefixed with \"opt/\"");
2308 }
2309 if (nonempty_str(str)) {
2310 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2311 buf = g_memdup(str, size);
2312 } else {
2313 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2314 error_report("can't load %s", file);
2315 return -1;
2316 }
2317 }
2318 /* For legacy, keep user files in a specific global order. */
2319 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2320 fw_cfg_add_file(fw_cfg, name, buf, size);
2321 fw_cfg_reset_order_override(fw_cfg);
2322 return 0;
2323 }
2324
2325 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2326 {
2327 return qdev_device_help(opts);
2328 }
2329
2330 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 Error *err = NULL;
2333 DeviceState *dev;
2334
2335 dev = qdev_device_add(opts, &err);
2336 if (!dev) {
2337 error_report_err(err);
2338 return -1;
2339 }
2340 object_unref(OBJECT(dev));
2341 return 0;
2342 }
2343
2344 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 Error *local_err = NULL;
2347
2348 qemu_chr_new_from_opts(opts, NULL, &local_err);
2349 if (local_err) {
2350 error_report_err(local_err);
2351 return -1;
2352 }
2353 return 0;
2354 }
2355
2356 #ifdef CONFIG_VIRTFS
2357 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 int ret;
2360 ret = qemu_fsdev_add(opts);
2361
2362 return ret;
2363 }
2364 #endif
2365
2366 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 CharDriverState *chr;
2369 const char *chardev;
2370 const char *mode;
2371 int flags;
2372
2373 mode = qemu_opt_get(opts, "mode");
2374 if (mode == NULL) {
2375 mode = "readline";
2376 }
2377 if (strcmp(mode, "readline") == 0) {
2378 flags = MONITOR_USE_READLINE;
2379 } else if (strcmp(mode, "control") == 0) {
2380 flags = MONITOR_USE_CONTROL;
2381 } else {
2382 error_report("unknown monitor mode \"%s\"", mode);
2383 exit(1);
2384 }
2385
2386 if (qemu_opt_get_bool(opts, "pretty", 0))
2387 flags |= MONITOR_USE_PRETTY;
2388
2389 if (qemu_opt_get_bool(opts, "default", 0))
2390 flags |= MONITOR_IS_DEFAULT;
2391
2392 chardev = qemu_opt_get(opts, "chardev");
2393 chr = qemu_chr_find(chardev);
2394 if (chr == NULL) {
2395 error_report("chardev \"%s\" not found", chardev);
2396 exit(1);
2397 }
2398
2399 qemu_chr_fe_claim_no_fail(chr);
2400 monitor_init(chr, flags);
2401 return 0;
2402 }
2403
2404 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 {
2406 static int monitor_device_index = 0;
2407 QemuOpts *opts;
2408 const char *p;
2409 char label[32];
2410 int def = 0;
2411
2412 if (strstart(optarg, "chardev:", &p)) {
2413 snprintf(label, sizeof(label), "%s", p);
2414 } else {
2415 snprintf(label, sizeof(label), "compat_monitor%d",
2416 monitor_device_index);
2417 if (monitor_device_index == 0) {
2418 def = 1;
2419 }
2420 opts = qemu_chr_parse_compat(label, optarg);
2421 if (!opts) {
2422 error_report("parse error: %s", optarg);
2423 exit(1);
2424 }
2425 }
2426
2427 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2428 qemu_opt_set(opts, "mode", mode, &error_abort);
2429 qemu_opt_set(opts, "chardev", label, &error_abort);
2430 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2431 if (def)
2432 qemu_opt_set(opts, "default", "on", &error_abort);
2433 monitor_device_index++;
2434 }
2435
2436 struct device_config {
2437 enum {
2438 DEV_USB, /* -usbdevice */
2439 DEV_BT, /* -bt */
2440 DEV_SERIAL, /* -serial */
2441 DEV_PARALLEL, /* -parallel */
2442 DEV_VIRTCON, /* -virtioconsole */
2443 DEV_DEBUGCON, /* -debugcon */
2444 DEV_GDB, /* -gdb, -s */
2445 DEV_SCLP, /* s390 sclp */
2446 } type;
2447 const char *cmdline;
2448 Location loc;
2449 QTAILQ_ENTRY(device_config) next;
2450 };
2451
2452 static QTAILQ_HEAD(, device_config) device_configs =
2453 QTAILQ_HEAD_INITIALIZER(device_configs);
2454
2455 static void add_device_config(int type, const char *cmdline)
2456 {
2457 struct device_config *conf;
2458
2459 conf = g_malloc0(sizeof(*conf));
2460 conf->type = type;
2461 conf->cmdline = cmdline;
2462 loc_save(&conf->loc);
2463 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2464 }
2465
2466 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2467 {
2468 struct device_config *conf;
2469 int rc;
2470
2471 QTAILQ_FOREACH(conf, &device_configs, next) {
2472 if (conf->type != type)
2473 continue;
2474 loc_push_restore(&conf->loc);
2475 rc = func(conf->cmdline);
2476 loc_pop(&conf->loc);
2477 if (rc) {
2478 return rc;
2479 }
2480 }
2481 return 0;
2482 }
2483
2484 static int serial_parse(const char *devname)
2485 {
2486 static int index = 0;
2487 char label[32];
2488
2489 if (strcmp(devname, "none") == 0)
2490 return 0;
2491 if (index == MAX_SERIAL_PORTS) {
2492 error_report("too many serial ports");
2493 exit(1);
2494 }
2495 snprintf(label, sizeof(label), "serial%d", index);
2496 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2497 if (!serial_hds[index]) {
2498 error_report("could not connect serial device"
2499 " to character backend '%s'", devname);
2500 return -1;
2501 }
2502 index++;
2503 return 0;
2504 }
2505
2506 static int parallel_parse(const char *devname)
2507 {
2508 static int index = 0;
2509 char label[32];
2510
2511 if (strcmp(devname, "none") == 0)
2512 return 0;
2513 if (index == MAX_PARALLEL_PORTS) {
2514 error_report("too many parallel ports");
2515 exit(1);
2516 }
2517 snprintf(label, sizeof(label), "parallel%d", index);
2518 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2519 if (!parallel_hds[index]) {
2520 error_report("could not connect parallel device"
2521 " to character backend '%s'", devname);
2522 return -1;
2523 }
2524 index++;
2525 return 0;
2526 }
2527
2528 static int virtcon_parse(const char *devname)
2529 {
2530 QemuOptsList *device = qemu_find_opts("device");
2531 static int index = 0;
2532 char label[32];
2533 QemuOpts *bus_opts, *dev_opts;
2534
2535 if (strcmp(devname, "none") == 0)
2536 return 0;
2537 if (index == MAX_VIRTIO_CONSOLES) {
2538 error_report("too many virtio consoles");
2539 exit(1);
2540 }
2541
2542 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2543 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2544
2545 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2546 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2547
2548 snprintf(label, sizeof(label), "virtcon%d", index);
2549 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2550 if (!virtcon_hds[index]) {
2551 error_report("could not connect virtio console"
2552 " to character backend '%s'", devname);
2553 return -1;
2554 }
2555 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2556
2557 index++;
2558 return 0;
2559 }
2560
2561 static int sclp_parse(const char *devname)
2562 {
2563 QemuOptsList *device = qemu_find_opts("device");
2564 static int index = 0;
2565 char label[32];
2566 QemuOpts *dev_opts;
2567
2568 if (strcmp(devname, "none") == 0) {
2569 return 0;
2570 }
2571 if (index == MAX_SCLP_CONSOLES) {
2572 error_report("too many sclp consoles");
2573 exit(1);
2574 }
2575
2576 assert(arch_type == QEMU_ARCH_S390X);
2577
2578 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2579 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2580
2581 snprintf(label, sizeof(label), "sclpcon%d", index);
2582 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2583 if (!sclp_hds[index]) {
2584 error_report("could not connect sclp console"
2585 " to character backend '%s'", devname);
2586 return -1;
2587 }
2588 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2589
2590 index++;
2591 return 0;
2592 }
2593
2594 static int debugcon_parse(const char *devname)
2595 {
2596 QemuOpts *opts;
2597
2598 if (!qemu_chr_new("debugcon", devname, NULL)) {
2599 exit(1);
2600 }
2601 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2602 if (!opts) {
2603 error_report("already have a debugcon device");
2604 exit(1);
2605 }
2606 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2607 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2608 return 0;
2609 }
2610
2611 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2612 {
2613 const MachineClass *mc1 = a, *mc2 = b;
2614 int res;
2615
2616 if (mc1->family == NULL) {
2617 if (mc2->family == NULL) {
2618 /* Compare standalone machine types against each other; they sort
2619 * in increasing order.
2620 */
2621 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2622 object_class_get_name(OBJECT_CLASS(mc2)));
2623 }
2624
2625 /* Standalone machine types sort after families. */
2626 return 1;
2627 }
2628
2629 if (mc2->family == NULL) {
2630 /* Families sort before standalone machine types. */
2631 return -1;
2632 }
2633
2634 /* Families sort between each other alphabetically increasingly. */
2635 res = strcmp(mc1->family, mc2->family);
2636 if (res != 0) {
2637 return res;
2638 }
2639
2640 /* Within the same family, machine types sort in decreasing order. */
2641 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2642 object_class_get_name(OBJECT_CLASS(mc1)));
2643 }
2644
2645 static MachineClass *machine_parse(const char *name)
2646 {
2647 MachineClass *mc = NULL;
2648 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2649
2650 if (name) {
2651 mc = find_machine(name);
2652 }
2653 if (mc) {
2654 g_slist_free(machines);
2655 return mc;
2656 }
2657 if (name && !is_help_option(name)) {
2658 error_report("unsupported machine type");
2659 error_printf("Use -machine help to list supported machines\n");
2660 } else {
2661 printf("Supported machines are:\n");
2662 machines = g_slist_sort(machines, machine_class_cmp);
2663 for (el = machines; el; el = el->next) {
2664 MachineClass *mc = el->data;
2665 if (mc->alias) {
2666 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2667 }
2668 printf("%-20s %s%s\n", mc->name, mc->desc,
2669 mc->is_default ? " (default)" : "");
2670 }
2671 }
2672
2673 g_slist_free(machines);
2674 exit(!name || !is_help_option(name));
2675 }
2676
2677 void qemu_add_exit_notifier(Notifier *notify)
2678 {
2679 notifier_list_add(&exit_notifiers, notify);
2680 }
2681
2682 void qemu_remove_exit_notifier(Notifier *notify)
2683 {
2684 notifier_remove(notify);
2685 }
2686
2687 static void qemu_run_exit_notifiers(void)
2688 {
2689 notifier_list_notify(&exit_notifiers, NULL);
2690 }
2691
2692 static bool machine_init_done;
2693
2694 void qemu_add_machine_init_done_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&machine_init_done_notifiers, notify);
2697 if (machine_init_done) {
2698 notify->notify(notify, NULL);
2699 }
2700 }
2701
2702 static void qemu_run_machine_init_done_notifiers(void)
2703 {
2704 notifier_list_notify(&machine_init_done_notifiers, NULL);
2705 machine_init_done = true;
2706 }
2707
2708 static const QEMUOption *lookup_opt(int argc, char **argv,
2709 const char **poptarg, int *poptind)
2710 {
2711 const QEMUOption *popt;
2712 int optind = *poptind;
2713 char *r = argv[optind];
2714 const char *optarg;
2715
2716 loc_set_cmdline(argv, optind, 1);
2717 optind++;
2718 /* Treat --foo the same as -foo. */
2719 if (r[1] == '-')
2720 r++;
2721 popt = qemu_options;
2722 for(;;) {
2723 if (!popt->name) {
2724 error_report("invalid option");
2725 exit(1);
2726 }
2727 if (!strcmp(popt->name, r + 1))
2728 break;
2729 popt++;
2730 }
2731 if (popt->flags & HAS_ARG) {
2732 if (optind >= argc) {
2733 error_report("requires an argument");
2734 exit(1);
2735 }
2736 optarg = argv[optind++];
2737 loc_set_cmdline(argv, optind - 2, 2);
2738 } else {
2739 optarg = NULL;
2740 }
2741
2742 *poptarg = optarg;
2743 *poptind = optind;
2744
2745 return popt;
2746 }
2747
2748 static MachineClass *select_machine(void)
2749 {
2750 MachineClass *machine_class = find_default_machine();
2751 const char *optarg;
2752 QemuOpts *opts;
2753 Location loc;
2754
2755 loc_push_none(&loc);
2756
2757 opts = qemu_get_machine_opts();
2758 qemu_opts_loc_restore(opts);
2759
2760 optarg = qemu_opt_get(opts, "type");
2761 if (optarg) {
2762 machine_class = machine_parse(optarg);
2763 }
2764
2765 if (!machine_class) {
2766 error_report("No machine specified, and there is no default");
2767 error_printf("Use -machine help to list supported machines\n");
2768 exit(1);
2769 }
2770
2771 loc_pop(&loc);
2772 return machine_class;
2773 }
2774
2775 static int machine_set_property(void *opaque,
2776 const char *name, const char *value,
2777 Error **errp)
2778 {
2779 Object *obj = OBJECT(opaque);
2780 Error *local_err = NULL;
2781 char *c, *qom_name;
2782
2783 if (strcmp(name, "type") == 0) {
2784 return 0;
2785 }
2786
2787 qom_name = g_strdup(name);
2788 c = qom_name;
2789 while (*c++) {
2790 if (*c == '_') {
2791 *c = '-';
2792 }
2793 }
2794
2795 object_property_parse(obj, value, qom_name, &local_err);
2796 g_free(qom_name);
2797
2798 if (local_err) {
2799 error_report_err(local_err);
2800 return -1;
2801 }
2802
2803 return 0;
2804 }
2805
2806
2807 /*
2808 * Initial object creation happens before all other
2809 * QEMU data types are created. The majority of objects
2810 * can be created at this point. The rng-egd object
2811 * cannot be created here, as it depends on the chardev
2812 * already existing.
2813 */
2814 static bool object_create_initial(const char *type)
2815 {
2816 if (g_str_equal(type, "rng-egd")) {
2817 return false;
2818 }
2819
2820 /*
2821 * return false for concrete netfilters since
2822 * they depend on netdevs already existing
2823 */
2824 if (g_str_equal(type, "filter-buffer") ||
2825 g_str_equal(type, "filter-dump") ||
2826 g_str_equal(type, "filter-mirror") ||
2827 g_str_equal(type, "filter-redirector")) {
2828 return false;
2829 }
2830
2831 return true;
2832 }
2833
2834
2835 /*
2836 * The remainder of object creation happens after the
2837 * creation of chardev, fsdev, net clients and device data types.
2838 */
2839 static bool object_create_delayed(const char *type)
2840 {
2841 return !object_create_initial(type);
2842 }
2843
2844
2845 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2846 MachineClass *mc)
2847 {
2848 uint64_t sz;
2849 const char *mem_str;
2850 const char *maxmem_str, *slots_str;
2851 const ram_addr_t default_ram_size = mc->default_ram_size;
2852 QemuOpts *opts = qemu_find_opts_singleton("memory");
2853 Location loc;
2854
2855 loc_push_none(&loc);
2856 qemu_opts_loc_restore(opts);
2857
2858 sz = 0;
2859 mem_str = qemu_opt_get(opts, "size");
2860 if (mem_str) {
2861 if (!*mem_str) {
2862 error_report("missing 'size' option value");
2863 exit(EXIT_FAILURE);
2864 }
2865
2866 sz = qemu_opt_get_size(opts, "size", ram_size);
2867
2868 /* Fix up legacy suffix-less format */
2869 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2870 uint64_t overflow_check = sz;
2871
2872 sz <<= 20;
2873 if ((sz >> 20) != overflow_check) {
2874 error_report("too large 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877 }
2878 }
2879
2880 /* backward compatibility behaviour for case "-m 0" */
2881 if (sz == 0) {
2882 sz = default_ram_size;
2883 }
2884
2885 sz = QEMU_ALIGN_UP(sz, 8192);
2886 ram_size = sz;
2887 if (ram_size != sz) {
2888 error_report("ram size too large");
2889 exit(EXIT_FAILURE);
2890 }
2891
2892 /* store value for the future use */
2893 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2894 *maxram_size = ram_size;
2895
2896 maxmem_str = qemu_opt_get(opts, "maxmem");
2897 slots_str = qemu_opt_get(opts, "slots");
2898 if (maxmem_str && slots_str) {
2899 uint64_t slots;
2900
2901 sz = qemu_opt_get_size(opts, "maxmem", 0);
2902 slots = qemu_opt_get_number(opts, "slots", 0);
2903 if (sz < ram_size) {
2904 error_report("invalid value of -m option maxmem: "
2905 "maximum memory size (0x%" PRIx64 ") must be at least "
2906 "the initial memory size (0x" RAM_ADDR_FMT ")",
2907 sz, ram_size);
2908 exit(EXIT_FAILURE);
2909 } else if (sz > ram_size) {
2910 if (!slots) {
2911 error_report("invalid value of -m option: maxmem was "
2912 "specified, but no hotplug slots were specified");
2913 exit(EXIT_FAILURE);
2914 }
2915 } else if (slots) {
2916 error_report("invalid value of -m option maxmem: "
2917 "memory slots were specified but maximum memory size "
2918 "(0x%" PRIx64 ") is equal to the initial memory size "
2919 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 }
2922
2923 *maxram_size = sz;
2924 *ram_slots = slots;
2925 } else if ((!maxmem_str && slots_str) ||
2926 (maxmem_str && !slots_str)) {
2927 error_report("invalid -m option value: missing "
2928 "'%s' option", slots_str ? "maxmem" : "slots");
2929 exit(EXIT_FAILURE);
2930 }
2931
2932 loc_pop(&loc);
2933 }
2934
2935 int main(int argc, char **argv, char **envp)
2936 {
2937 int i;
2938 int snapshot, linux_boot;
2939 const char *initrd_filename;
2940 const char *kernel_filename, *kernel_cmdline;
2941 const char *boot_order = NULL;
2942 const char *boot_once = NULL;
2943 DisplayState *ds;
2944 int cyls, heads, secs, translation;
2945 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2946 QemuOptsList *olist;
2947 int optind;
2948 const char *optarg;
2949 const char *loadvm = NULL;
2950 MachineClass *machine_class;
2951 const char *cpu_model;
2952 const char *vga_model = NULL;
2953 const char *qtest_chrdev = NULL;
2954 const char *qtest_log = NULL;
2955 const char *pid_file = NULL;
2956 const char *incoming = NULL;
2957 int show_vnc_port = 0;
2958 bool defconfig = true;
2959 bool userconfig = true;
2960 bool nographic = false;
2961 DisplayType display_type = DT_DEFAULT;
2962 int display_remote = 0;
2963 const char *log_mask = NULL;
2964 const char *log_file = NULL;
2965 char *trace_file = NULL;
2966 ram_addr_t maxram_size;
2967 uint64_t ram_slots = 0;
2968 FILE *vmstate_dump_file = NULL;
2969 Error *main_loop_err = NULL;
2970 Error *err = NULL;
2971
2972 qemu_init_cpu_loop();
2973 qemu_mutex_lock_iothread();
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 module_call_init(MODULE_INIT_QOM);
2980
2981 qemu_add_opts(&qemu_drive_opts);
2982 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2983 qemu_add_drive_opts(&qemu_common_drive_opts);
2984 qemu_add_drive_opts(&qemu_drive_opts);
2985 qemu_add_opts(&qemu_chardev_opts);
2986 qemu_add_opts(&qemu_device_opts);
2987 qemu_add_opts(&qemu_netdev_opts);
2988 qemu_add_opts(&qemu_net_opts);
2989 qemu_add_opts(&qemu_rtc_opts);
2990 qemu_add_opts(&qemu_global_opts);
2991 qemu_add_opts(&qemu_mon_opts);
2992 qemu_add_opts(&qemu_trace_opts);
2993 qemu_add_opts(&qemu_option_rom_opts);
2994 qemu_add_opts(&qemu_machine_opts);
2995 qemu_add_opts(&qemu_mem_opts);
2996 qemu_add_opts(&qemu_smp_opts);
2997 qemu_add_opts(&qemu_boot_opts);
2998 qemu_add_opts(&qemu_sandbox_opts);
2999 qemu_add_opts(&qemu_add_fd_opts);
3000 qemu_add_opts(&qemu_object_opts);
3001 qemu_add_opts(&qemu_tpmdev_opts);
3002 qemu_add_opts(&qemu_realtime_opts);
3003 qemu_add_opts(&qemu_msg_opts);
3004 qemu_add_opts(&qemu_name_opts);
3005 qemu_add_opts(&qemu_numa_opts);
3006 qemu_add_opts(&qemu_icount_opts);
3007 qemu_add_opts(&qemu_semihosting_config_opts);
3008 qemu_add_opts(&qemu_fw_cfg_opts);
3009 module_call_init(MODULE_INIT_OPTS);
3010
3011 runstate_init();
3012
3013 if (qcrypto_init(&err) < 0) {
3014 error_reportf_err(err, "cannot initialize crypto: ");
3015 exit(1);
3016 }
3017 rtc_clock = QEMU_CLOCK_HOST;
3018
3019 QLIST_INIT (&vm_change_state_head);
3020 os_setup_early_signal_handling();
3021
3022 cpu_model = NULL;
3023 snapshot = 0;
3024 cyls = heads = secs = 0;
3025 translation = BIOS_ATA_TRANSLATION_AUTO;
3026
3027 nb_nics = 0;
3028
3029 bdrv_init_with_whitelist();
3030
3031 autostart = 1;
3032
3033 /* first pass of option parsing */
3034 optind = 1;
3035 while (optind < argc) {
3036 if (argv[optind][0] != '-') {
3037 /* disk image */
3038 optind++;
3039 } else {
3040 const QEMUOption *popt;
3041
3042 popt = lookup_opt(argc, argv, &optarg, &optind);
3043 switch (popt->index) {
3044 case QEMU_OPTION_nodefconfig:
3045 defconfig = false;
3046 break;
3047 case QEMU_OPTION_nouserconfig:
3048 userconfig = false;
3049 break;
3050 }
3051 }
3052 }
3053
3054 if (defconfig) {
3055 int ret;
3056 ret = qemu_read_default_config_files(userconfig);
3057 if (ret < 0) {
3058 exit(1);
3059 }
3060 }
3061
3062 /* second pass of option parsing */
3063 optind = 1;
3064 for(;;) {
3065 if (optind >= argc)
3066 break;
3067 if (argv[optind][0] != '-') {
3068 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3069 } else {
3070 const QEMUOption *popt;
3071
3072 popt = lookup_opt(argc, argv, &optarg, &optind);
3073 if (!(popt->arch_mask & arch_type)) {
3074 printf("Option %s not supported for this target\n", popt->name);
3075 exit(1);
3076 }
3077 switch(popt->index) {
3078 case QEMU_OPTION_no_kvm_irqchip: {
3079 olist = qemu_find_opts("machine");
3080 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3081 break;
3082 }
3083 case QEMU_OPTION_cpu:
3084 /* hw initialization will check this */
3085 cpu_model = optarg;
3086 break;
3087 case QEMU_OPTION_hda:
3088 {
3089 char buf[256];
3090 if (cyls == 0)
3091 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3092 else
3093 snprintf(buf, sizeof(buf),
3094 "%s,cyls=%d,heads=%d,secs=%d%s",
3095 HD_OPTS , cyls, heads, secs,
3096 translation == BIOS_ATA_TRANSLATION_LBA ?
3097 ",trans=lba" :
3098 translation == BIOS_ATA_TRANSLATION_NONE ?
3099 ",trans=none" : "");
3100 drive_add(IF_DEFAULT, 0, optarg, buf);
3101 break;
3102 }
3103 case QEMU_OPTION_hdb:
3104 case QEMU_OPTION_hdc:
3105 case QEMU_OPTION_hdd:
3106 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3107 HD_OPTS);
3108 break;
3109 case QEMU_OPTION_drive:
3110 if (drive_def(optarg) == NULL) {
3111 exit(1);
3112 }
3113 break;
3114 case QEMU_OPTION_set:
3115 if (qemu_set_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_global:
3119 if (qemu_global_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_mtdblock:
3123 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3124 break;
3125 case QEMU_OPTION_sd:
3126 drive_add(IF_SD, -1, optarg, SD_OPTS);
3127 break;
3128 case QEMU_OPTION_pflash:
3129 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3130 break;
3131 case QEMU_OPTION_snapshot:
3132 snapshot = 1;
3133 break;
3134 case QEMU_OPTION_hdachs:
3135 {
3136 const char *p;
3137 p = optarg;
3138 cyls = strtol(p, (char **)&p, 0);
3139 if (cyls < 1 || cyls > 16383)
3140 goto chs_fail;
3141 if (*p != ',')
3142 goto chs_fail;
3143 p++;
3144 heads = strtol(p, (char **)&p, 0);
3145 if (heads < 1 || heads > 16)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 secs = strtol(p, (char **)&p, 0);
3151 if (secs < 1 || secs > 63)
3152 goto chs_fail;
3153 if (*p == ',') {
3154 p++;
3155 if (!strcmp(p, "large")) {
3156 translation = BIOS_ATA_TRANSLATION_LARGE;
3157 } else if (!strcmp(p, "rechs")) {
3158 translation = BIOS_ATA_TRANSLATION_RECHS;
3159 } else if (!strcmp(p, "none")) {
3160 translation = BIOS_ATA_TRANSLATION_NONE;
3161 } else if (!strcmp(p, "lba")) {
3162 translation = BIOS_ATA_TRANSLATION_LBA;
3163 } else if (!strcmp(p, "auto")) {
3164 translation = BIOS_ATA_TRANSLATION_AUTO;
3165 } else {
3166 goto chs_fail;
3167 }
3168 } else if (*p != '\0') {
3169 chs_fail:
3170 error_report("invalid physical CHS format");
3171 exit(1);
3172 }
3173 if (hda_opts != NULL) {
3174 qemu_opt_set_number(hda_opts, "cyls", cyls,
3175 &error_abort);
3176 qemu_opt_set_number(hda_opts, "heads", heads,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "secs", secs,
3179 &error_abort);
3180 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3181 qemu_opt_set(hda_opts, "trans", "large",
3182 &error_abort);
3183 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3184 qemu_opt_set(hda_opts, "trans", "rechs",
3185 &error_abort);
3186 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3187 qemu_opt_set(hda_opts, "trans", "lba",
3188 &error_abort);
3189 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3190 qemu_opt_set(hda_opts, "trans", "none",
3191 &error_abort);
3192 }
3193 }
3194 }
3195 break;
3196 case QEMU_OPTION_numa:
3197 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3198 optarg, true);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 break;
3203 case QEMU_OPTION_display:
3204 display_type = select_display(optarg);
3205 break;
3206 case QEMU_OPTION_nographic:
3207 olist = qemu_find_opts("machine");
3208 qemu_opts_parse_noisily(olist, "graphics=off", false);
3209 nographic = true;
3210 display_type = DT_NONE;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 display_type = DT_CURSES;
3215 #else
3216 error_report("curses support is disabled");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 default_net = 0;
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 case QEMU_OPTION_net:
3272 default_net = 0;
3273 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3274 exit(1);
3275 }
3276 break;
3277 #ifdef CONFIG_LIBISCSI
3278 case QEMU_OPTION_iscsi:
3279 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3280 optarg, false);
3281 if (!opts) {
3282 exit(1);
3283 }
3284 break;
3285 #endif
3286 #ifdef CONFIG_SLIRP
3287 case QEMU_OPTION_tftp:
3288 error_report("The -tftp option is deprecated. "
3289 "Please use '-netdev user,tftp=...' instead.");
3290 legacy_tftp_prefix = optarg;
3291 break;
3292 case QEMU_OPTION_bootp:
3293 error_report("The -bootp option is deprecated. "
3294 "Please use '-netdev user,bootfile=...' instead.");
3295 legacy_bootp_filename = optarg;
3296 break;
3297 case QEMU_OPTION_redir:
3298 error_report("The -redir option is deprecated. "
3299 "Please use '-netdev user,hostfwd=...' instead.");
3300 if (net_slirp_redir(optarg) < 0)
3301 exit(1);
3302 break;
3303 #endif
3304 case QEMU_OPTION_bt:
3305 add_device_config(DEV_BT, optarg);
3306 break;
3307 case QEMU_OPTION_audio_help:
3308 AUD_help ();
3309 exit (0);
3310 break;
3311 case QEMU_OPTION_soundhw:
3312 select_soundhw (optarg);
3313 break;
3314 case QEMU_OPTION_h:
3315 help(0);
3316 break;
3317 case QEMU_OPTION_version:
3318 version();
3319 exit(0);
3320 break;
3321 case QEMU_OPTION_m:
3322 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3323 optarg, true);
3324 if (!opts) {
3325 exit(EXIT_FAILURE);
3326 }
3327 break;
3328 #ifdef CONFIG_TPM
3329 case QEMU_OPTION_tpmdev:
3330 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3331 exit(1);
3332 }
3333 break;
3334 #endif
3335 case QEMU_OPTION_mempath:
3336 mem_path = optarg;
3337 break;
3338 case QEMU_OPTION_mem_prealloc:
3339 mem_prealloc = 1;
3340 break;
3341 case QEMU_OPTION_d:
3342 log_mask = optarg;
3343 break;
3344 case QEMU_OPTION_D:
3345 log_file = optarg;
3346 break;
3347 case QEMU_OPTION_DFILTER:
3348 qemu_set_dfilter_ranges(optarg);
3349 break;
3350 case QEMU_OPTION_s:
3351 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3352 break;
3353 case QEMU_OPTION_gdb:
3354 add_device_config(DEV_GDB, optarg);
3355 break;
3356 case QEMU_OPTION_L:
3357 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3358 data_dir[data_dir_idx++] = optarg;
3359 }
3360 break;
3361 case QEMU_OPTION_bios:
3362 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3363 &error_abort);
3364 break;
3365 case QEMU_OPTION_singlestep:
3366 singlestep = 1;
3367 break;
3368 case QEMU_OPTION_S:
3369 autostart = 0;
3370 break;
3371 case QEMU_OPTION_k:
3372 keyboard_layout = optarg;
3373 break;
3374 case QEMU_OPTION_localtime:
3375 rtc_utc = 0;
3376 break;
3377 case QEMU_OPTION_vga:
3378 vga_model = optarg;
3379 default_vga = 0;
3380 break;
3381 case QEMU_OPTION_g:
3382 {
3383 const char *p;
3384 int w, h, depth;
3385 p = optarg;
3386 w = strtol(p, (char **)&p, 10);
3387 if (w <= 0) {
3388 graphic_error:
3389 error_report("invalid resolution or depth");
3390 exit(1);
3391 }
3392 if (*p != 'x')
3393 goto graphic_error;
3394 p++;
3395 h = strtol(p, (char **)&p, 10);
3396 if (h <= 0)
3397 goto graphic_error;
3398 if (*p == 'x') {
3399 p++;
3400 depth = strtol(p, (char **)&p, 10);
3401 if (depth != 8 && depth != 15 && depth != 16 &&
3402 depth != 24 && depth != 32)
3403 goto graphic_error;
3404 } else if (*p == '\0') {
3405 depth = graphic_depth;
3406 } else {
3407 goto graphic_error;
3408 }
3409
3410 graphic_width = w;
3411 graphic_height = h;
3412 graphic_depth = depth;
3413 }
3414 break;
3415 case QEMU_OPTION_echr:
3416 {
3417 char *r;
3418 term_escape_char = strtol(optarg, &r, 0);
3419 if (r == optarg)
3420 printf("Bad argument to echr\n");
3421 break;
3422 }
3423 case QEMU_OPTION_monitor:
3424 default_monitor = 0;
3425 if (strncmp(optarg, "none", 4)) {
3426 monitor_parse(optarg, "readline", false);
3427 }
3428 break;
3429 case QEMU_OPTION_qmp:
3430 monitor_parse(optarg, "control", false);
3431 default_monitor = 0;
3432 break;
3433 case QEMU_OPTION_qmp_pretty:
3434 monitor_parse(optarg, "control", true);
3435 default_monitor = 0;
3436 break;
3437 case QEMU_OPTION_mon:
3438 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3439 true);
3440 if (!opts) {
3441 exit(1);
3442 }
3443 default_monitor = 0;
3444 break;
3445 case QEMU_OPTION_chardev:
3446 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3447 optarg, true);
3448 if (!opts) {
3449 exit(1);
3450 }
3451 break;
3452 case QEMU_OPTION_fsdev:
3453 olist = qemu_find_opts("fsdev");
3454 if (!olist) {
3455 error_report("fsdev support is disabled");
3456 exit(1);
3457 }
3458 opts = qemu_opts_parse_noisily(olist, optarg, true);
3459 if (!opts) {
3460 exit(1);
3461 }
3462 break;
3463 case QEMU_OPTION_virtfs: {
3464 QemuOpts *fsdev;
3465 QemuOpts *device;
3466 const char *writeout, *sock_fd, *socket;
3467
3468 olist = qemu_find_opts("virtfs");
3469 if (!olist) {
3470 error_report("virtfs support is disabled");
3471 exit(1);
3472 }
3473 opts = qemu_opts_parse_noisily(olist, optarg, true);
3474 if (!opts) {
3475 exit(1);
3476 }
3477
3478 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3479 qemu_opt_get(opts, "mount_tag") == NULL) {
3480 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3481 exit(1);
3482 }
3483 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3484 qemu_opt_get(opts, "mount_tag"),
3485 1, NULL);
3486 if (!fsdev) {
3487 error_report("duplicate fsdev id: %s",
3488 qemu_opt_get(opts, "mount_tag"));
3489 exit(1);
3490 }
3491
3492 writeout = qemu_opt_get(opts, "writeout");
3493 if (writeout) {
3494 #ifdef CONFIG_SYNC_FILE_RANGE
3495 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3496 #else
3497 error_report("writeout=immediate not supported "
3498 "on this platform");
3499 exit(1);
3500 #endif
3501 }
3502 qemu_opt_set(fsdev, "fsdriver",
3503 qemu_opt_get(opts, "fsdriver"), &error_abort);
3504 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3505 &error_abort);
3506 qemu_opt_set(fsdev, "security_model",
3507 qemu_opt_get(opts, "security_model"),