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vmsvga: don't process more than 1024 fifo commands at once
[qemu/kevin.git] / vl.c
blob2f74fe8fb61fbc3e00db63bfe38f09a39ddc8912
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/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
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 bool usb_enabled(void)
1076 {
1077 return machine_usb(current_machine);
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_report("fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_report("fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_report("fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_report("set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_report("error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type);
1190 if (!dinfo) {
1191 exit(1);
1192 }
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 sockets = sockets > 0 ? sockets : 1;
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 cpus = cores * threads * sockets;
1239 }
1240 } else if (cores == 0) {
1241 threads = threads > 0 ? threads : 1;
1242 cores = cpus / (sockets * threads);
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 } else if (sockets * cores * threads < cpus) {
1246 error_report("cpu topology: "
1247 "sockets (%u) * cores (%u) * threads (%u) < "
1248 "smp_cpus (%u)",
1249 sockets, cores, threads, cpus);
1250 exit(1);
1251 }
1252
1253 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1254 if (sockets * cores * threads > max_cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) > "
1257 "maxcpus (%u)",
1258 sockets, cores, threads, max_cpus);
1259 exit(1);
1260 }
1261
1262 smp_cpus = cpus;
1263 smp_cores = cores > 0 ? cores : 1;
1264 smp_threads = threads > 0 ? threads : 1;
1265
1266 }
1267
1268 if (max_cpus == 0) {
1269 max_cpus = smp_cpus;
1270 }
1271
1272 if (max_cpus > MAX_CPUMASK_BITS) {
1273 error_report("unsupported number of maxcpus");
1274 exit(1);
1275 }
1276 if (max_cpus < smp_cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392 #ifndef CONFIG_LINUX
1393 const char *p;
1394 #endif
1395
1396 if (!usb_enabled()) {
1397 return -1;
1398 }
1399
1400 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1401 dev = usbdevice_create(devname);
1402 if (dev)
1403 goto done;
1404
1405 /* the other ones */
1406 #ifndef CONFIG_LINUX
1407 /* only the linux version is qdev-ified, usb-bsd still needs this */
1408 if (strstart(devname, "host:", &p)) {
1409 dev = usb_host_device_open(usb_bus_find(-1), p);
1410 }
1411 #endif
1412 if (!dev)
1413 return -1;
1414
1415 done:
1416 return 0;
1417 }
1418
1419 static int usb_device_del(const char *devname)
1420 {
1421 int bus_num, addr;
1422 const char *p;
1423
1424 if (strstart(devname, "host:", &p)) {
1425 return -1;
1426 }
1427
1428 if (!usb_enabled()) {
1429 return -1;
1430 }
1431
1432 p = strchr(devname, '.');
1433 if (!p)
1434 return -1;
1435 bus_num = strtoul(devname, NULL, 0);
1436 addr = strtoul(p + 1, NULL, 0);
1437
1438 return usb_device_delete_addr(bus_num, addr);
1439 }
1440
1441 static int usb_parse(const char *cmdline)
1442 {
1443 int r;
1444 r = usb_device_add(cmdline);
1445 if (r < 0) {
1446 error_report("could not add USB device '%s'", cmdline);
1447 }
1448 return r;
1449 }
1450
1451 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_add(devname) < 0) {
1455 error_report("could not add USB device '%s'", devname);
1456 }
1457 }
1458
1459 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462 if (usb_device_del(devname) < 0) {
1463 error_report("could not delete USB device '%s'", devname);
1464 }
1465 }
1466
1467 /***********************************************************/
1468 /* machine registration */
1469
1470 MachineState *current_machine;
1471
1472 static MachineClass *find_machine(const char *name)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineClass *mc = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *temp = el->data;
1479
1480 if (!strcmp(temp->name, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 if (temp->alias &&
1485 !strcmp(temp->alias, name)) {
1486 mc = temp;
1487 break;
1488 }
1489 }
1490
1491 g_slist_free(machines);
1492 return mc;
1493 }
1494
1495 MachineClass *find_default_machine(void)
1496 {
1497 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1498 MachineClass *mc = NULL;
1499
1500 for (el = machines; el; el = el->next) {
1501 MachineClass *temp = el->data;
1502
1503 if (temp->is_default) {
1504 mc = temp;
1505 break;
1506 }
1507 }
1508
1509 g_slist_free(machines);
1510 return mc;
1511 }
1512
1513 MachineInfoList *qmp_query_machines(Error **errp)
1514 {
1515 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1516 MachineInfoList *mach_list = NULL;
1517
1518 for (el = machines; el; el = el->next) {
1519 MachineClass *mc = el->data;
1520 MachineInfoList *entry;
1521 MachineInfo *info;
1522
1523 info = g_malloc0(sizeof(*info));
1524 if (mc->is_default) {
1525 info->has_is_default = true;
1526 info->is_default = true;
1527 }
1528
1529 if (mc->alias) {
1530 info->has_alias = true;
1531 info->alias = g_strdup(mc->alias);
1532 }
1533
1534 info->name = g_strdup(mc->name);
1535 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1536
1537 entry = g_malloc0(sizeof(*entry));
1538 entry->value = info;
1539 entry->next = mach_list;
1540 mach_list = entry;
1541 }
1542
1543 g_slist_free(machines);
1544 return mach_list;
1545 }
1546
1547 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1548 {
1549 ObjectProperty *prop;
1550 ObjectPropertyIterator iter;
1551
1552 if (!qemu_opt_has_help_opt(opts)) {
1553 return 0;
1554 }
1555
1556 object_property_iter_init(&iter, OBJECT(machine));
1557 while ((prop = object_property_iter_next(&iter))) {
1558 if (!prop->set) {
1559 continue;
1560 }
1561
1562 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1563 prop->name, prop->type);
1564 if (prop->description) {
1565 error_printf(" (%s)\n", prop->description);
1566 } else {
1567 error_printf("\n");
1568 }
1569 }
1570
1571 return 1;
1572 }
1573
1574 /***********************************************************/
1575 /* main execution loop */
1576
1577 struct vm_change_state_entry {
1578 VMChangeStateHandler *cb;
1579 void *opaque;
1580 QLIST_ENTRY (vm_change_state_entry) entries;
1581 };
1582
1583 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1584
1585 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1586 void *opaque)
1587 {
1588 VMChangeStateEntry *e;
1589
1590 e = g_malloc0(sizeof (*e));
1591
1592 e->cb = cb;
1593 e->opaque = opaque;
1594 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1595 return e;
1596 }
1597
1598 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1599 {
1600 QLIST_REMOVE (e, entries);
1601 g_free (e);
1602 }
1603
1604 void vm_state_notify(int running, RunState state)
1605 {
1606 VMChangeStateEntry *e, *next;
1607
1608 trace_vm_state_notify(running, state);
1609
1610 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1611 e->cb(e->opaque, running, state);
1612 }
1613 }
1614
1615 /* reset/shutdown handler */
1616
1617 typedef struct QEMUResetEntry {
1618 QTAILQ_ENTRY(QEMUResetEntry) entry;
1619 QEMUResetHandler *func;
1620 void *opaque;
1621 } QEMUResetEntry;
1622
1623 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1624 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1625 static int reset_requested;
1626 static int shutdown_requested, shutdown_signal = -1;
1627 static pid_t shutdown_pid;
1628 static int powerdown_requested;
1629 static int debug_requested;
1630 static int suspend_requested;
1631 static WakeupReason wakeup_reason;
1632 static NotifierList powerdown_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1634 static NotifierList suspend_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1636 static NotifierList wakeup_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1638 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1639
1640 int qemu_shutdown_requested_get(void)
1641 {
1642 return shutdown_requested;
1643 }
1644
1645 int qemu_reset_requested_get(void)
1646 {
1647 return reset_requested;
1648 }
1649
1650 static int qemu_shutdown_requested(void)
1651 {
1652 return atomic_xchg(&shutdown_requested, 0);
1653 }
1654
1655 static void qemu_kill_report(void)
1656 {
1657 if (!qtest_driver() && shutdown_signal != -1) {
1658 if (shutdown_pid == 0) {
1659 /* This happens for eg ^C at the terminal, so it's worth
1660 * avoiding printing an odd message in that case.
1661 */
1662 error_report("terminating on signal %d", shutdown_signal);
1663 } else {
1664 error_report("terminating on signal %d from pid " FMT_pid,
1665 shutdown_signal, shutdown_pid);
1666 }
1667 shutdown_signal = -1;
1668 }
1669 }
1670
1671 static int qemu_reset_requested(void)
1672 {
1673 int r = reset_requested;
1674 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1675 reset_requested = 0;
1676 return r;
1677 }
1678 return false;
1679 }
1680
1681 static int qemu_suspend_requested(void)
1682 {
1683 int r = suspend_requested;
1684 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1685 suspend_requested = 0;
1686 return r;
1687 }
1688 return false;
1689 }
1690
1691 static WakeupReason qemu_wakeup_requested(void)
1692 {
1693 return wakeup_reason;
1694 }
1695
1696 static int qemu_powerdown_requested(void)
1697 {
1698 int r = powerdown_requested;
1699 powerdown_requested = 0;
1700 return r;
1701 }
1702
1703 static int qemu_debug_requested(void)
1704 {
1705 int r = debug_requested;
1706 debug_requested = 0;
1707 return r;
1708 }
1709
1710 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1713
1714 re->func = func;
1715 re->opaque = opaque;
1716 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1717 }
1718
1719 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1720 {
1721 QEMUResetEntry *re;
1722
1723 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1724 if (re->func == func && re->opaque == opaque) {
1725 QTAILQ_REMOVE(&reset_handlers, re, entry);
1726 g_free(re);
1727 return;
1728 }
1729 }
1730 }
1731
1732 void qemu_devices_reset(void)
1733 {
1734 QEMUResetEntry *re, *nre;
1735
1736 /* reset all devices */
1737 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1738 re->func(re->opaque);
1739 }
1740 }
1741
1742 void qemu_system_reset(bool report)
1743 {
1744 MachineClass *mc;
1745
1746 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1747
1748 cpu_synchronize_all_states();
1749
1750 if (mc && mc->reset) {
1751 mc->reset();
1752 } else {
1753 qemu_devices_reset();
1754 }
1755 if (report) {
1756 qapi_event_send_reset(&error_abort);
1757 }
1758 cpu_synchronize_all_post_reset();
1759 }
1760
1761 void qemu_system_guest_panicked(void)
1762 {
1763 if (current_cpu) {
1764 current_cpu->crash_occurred = true;
1765 }
1766 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1767 vm_stop(RUN_STATE_GUEST_PANICKED);
1768 }
1769
1770 void qemu_system_reset_request(void)
1771 {
1772 if (no_reboot) {
1773 shutdown_requested = 1;
1774 } else {
1775 reset_requested = 1;
1776 }
1777 cpu_stop_current();
1778 qemu_notify_event();
1779 }
1780
1781 static void qemu_system_suspend(void)
1782 {
1783 pause_all_vcpus();
1784 notifier_list_notify(&suspend_notifiers, NULL);
1785 runstate_set(RUN_STATE_SUSPENDED);
1786 qapi_event_send_suspend(&error_abort);
1787 }
1788
1789 void qemu_system_suspend_request(void)
1790 {
1791 if (runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 suspend_requested = 1;
1795 cpu_stop_current();
1796 qemu_notify_event();
1797 }
1798
1799 void qemu_register_suspend_notifier(Notifier *notifier)
1800 {
1801 notifier_list_add(&suspend_notifiers, notifier);
1802 }
1803
1804 void qemu_system_wakeup_request(WakeupReason reason)
1805 {
1806 trace_system_wakeup_request(reason);
1807
1808 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1809 return;
1810 }
1811 if (!(wakeup_reason_mask & (1 << reason))) {
1812 return;
1813 }
1814 runstate_set(RUN_STATE_RUNNING);
1815 wakeup_reason = reason;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820 {
1821 if (enabled) {
1822 wakeup_reason_mask |= (1 << reason);
1823 } else {
1824 wakeup_reason_mask &= ~(1 << reason);
1825 }
1826 }
1827
1828 void qemu_register_wakeup_notifier(Notifier *notifier)
1829 {
1830 notifier_list_add(&wakeup_notifiers, notifier);
1831 }
1832
1833 void qemu_system_killed(int signal, pid_t pid)
1834 {
1835 shutdown_signal = signal;
1836 shutdown_pid = pid;
1837 no_shutdown = 0;
1838
1839 /* Cannot call qemu_system_shutdown_request directly because
1840 * we are in a signal handler.
1841 */
1842 shutdown_requested = 1;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_shutdown_request(void)
1847 {
1848 trace_qemu_system_shutdown_request();
1849 replay_shutdown_request();
1850 shutdown_requested = 1;
1851 qemu_notify_event();
1852 }
1853
1854 static void qemu_system_powerdown(void)
1855 {
1856 qapi_event_send_powerdown(&error_abort);
1857 notifier_list_notify(&powerdown_notifiers, NULL);
1858 }
1859
1860 void qemu_system_powerdown_request(void)
1861 {
1862 trace_qemu_system_powerdown_request();
1863 powerdown_requested = 1;
1864 qemu_notify_event();
1865 }
1866
1867 void qemu_register_powerdown_notifier(Notifier *notifier)
1868 {
1869 notifier_list_add(&powerdown_notifiers, notifier);
1870 }
1871
1872 void qemu_system_debug_request(void)
1873 {
1874 debug_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 static bool main_loop_should_exit(void)
1879 {
1880 RunState r;
1881 if (qemu_debug_requested()) {
1882 vm_stop(RUN_STATE_DEBUG);
1883 }
1884 if (qemu_suspend_requested()) {
1885 qemu_system_suspend();
1886 }
1887 if (qemu_shutdown_requested()) {
1888 qemu_kill_report();
1889 qapi_event_send_shutdown(&error_abort);
1890 if (no_shutdown) {
1891 vm_stop(RUN_STATE_SHUTDOWN);
1892 } else {
1893 return true;
1894 }
1895 }
1896 if (qemu_reset_requested()) {
1897 pause_all_vcpus();
1898 qemu_system_reset(VMRESET_REPORT);
1899 resume_all_vcpus();
1900 if (!runstate_check(RUN_STATE_RUNNING) &&
1901 !runstate_check(RUN_STATE_INMIGRATE)) {
1902 runstate_set(RUN_STATE_PRELAUNCH);
1903 }
1904 }
1905 if (qemu_wakeup_requested()) {
1906 pause_all_vcpus();
1907 qemu_system_reset(VMRESET_SILENT);
1908 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1909 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1910 resume_all_vcpus();
1911 qapi_event_send_wakeup(&error_abort);
1912 }
1913 if (qemu_powerdown_requested()) {
1914 qemu_system_powerdown();
1915 }
1916 if (qemu_vmstop_requested(&r)) {
1917 vm_stop(r);
1918 }
1919 return false;
1920 }
1921
1922 static void main_loop(void)
1923 {
1924 bool nonblocking;
1925 int last_io = 0;
1926 #ifdef CONFIG_PROFILER
1927 int64_t ti;
1928 #endif
1929 do {
1930 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1931 #ifdef CONFIG_PROFILER
1932 ti = profile_getclock();
1933 #endif
1934 last_io = main_loop_wait(nonblocking);
1935 #ifdef CONFIG_PROFILER
1936 dev_time += profile_getclock() - ti;
1937 #endif
1938 } while (!main_loop_should_exit());
1939 }
1940
1941 static void version(void)
1942 {
1943 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1944 }
1945
1946 static void help(int exitcode)
1947 {
1948 version();
1949 printf("usage: %s [options] [disk_image]\n\n"
1950 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1951 error_get_progname());
1952
1953 #define QEMU_OPTIONS_GENERATE_HELP
1954 #include "qemu-options-wrapper.h"
1955
1956 printf("\nDuring emulation, the following keys are useful:\n"
1957 "ctrl-alt-f toggle full screen\n"
1958 "ctrl-alt-n switch to virtual console 'n'\n"
1959 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "\n"
1961 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1962
1963 exit(exitcode);
1964 }
1965
1966 #define HAS_ARG 0x0001
1967
1968 typedef struct QEMUOption {
1969 const char *name;
1970 int flags;
1971 int index;
1972 uint32_t arch_mask;
1973 } QEMUOption;
1974
1975 static const QEMUOption qemu_options[] = {
1976 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1977 #define QEMU_OPTIONS_GENERATE_OPTIONS
1978 #include "qemu-options-wrapper.h"
1979 { NULL },
1980 };
1981
1982 typedef struct VGAInterfaceInfo {
1983 const char *opt_name; /* option name */
1984 const char *name; /* human-readable name */
1985 /* Class names indicating that support is available.
1986 * If no class is specified, the interface is always available */
1987 const char *class_names[2];
1988 } VGAInterfaceInfo;
1989
1990 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1991 [VGA_NONE] = {
1992 .opt_name = "none",
1993 },
1994 [VGA_STD] = {
1995 .opt_name = "std",
1996 .name = "standard VGA",
1997 .class_names = { "VGA", "isa-vga" },
1998 },
1999 [VGA_CIRRUS] = {
2000 .opt_name = "cirrus",
2001 .name = "Cirrus VGA",
2002 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2003 },
2004 [VGA_VMWARE] = {
2005 .opt_name = "vmware",
2006 .name = "VMWare SVGA",
2007 .class_names = { "vmware-svga" },
2008 },
2009 [VGA_VIRTIO] = {
2010 .opt_name = "virtio",
2011 .name = "Virtio VGA",
2012 .class_names = { "virtio-vga" },
2013 },
2014 [VGA_QXL] = {
2015 .opt_name = "qxl",
2016 .name = "QXL VGA",
2017 .class_names = { "qxl-vga" },
2018 },
2019 [VGA_TCX] = {
2020 .opt_name = "tcx",
2021 .name = "TCX framebuffer",
2022 .class_names = { "SUNW,tcx" },
2023 },
2024 [VGA_CG3] = {
2025 .opt_name = "cg3",
2026 .name = "CG3 framebuffer",
2027 .class_names = { "cgthree" },
2028 },
2029 [VGA_XENFB] = {
2030 .opt_name = "xenfb",
2031 },
2032 };
2033
2034 static bool vga_interface_available(VGAInterfaceType t)
2035 {
2036 VGAInterfaceInfo *ti = &vga_interfaces[t];
2037
2038 assert(t < VGA_TYPE_MAX);
2039 return !ti->class_names[0] ||
2040 object_class_by_name(ti->class_names[0]) ||
2041 object_class_by_name(ti->class_names[1]);
2042 }
2043
2044 static void select_vgahw(const char *p)
2045 {
2046 const char *opts;
2047 int t;
2048
2049 assert(vga_interface_type == VGA_NONE);
2050 for (t = 0; t < VGA_TYPE_MAX; t++) {
2051 VGAInterfaceInfo *ti = &vga_interfaces[t];
2052 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2053 if (!vga_interface_available(t)) {
2054 error_report("%s not available", ti->name);
2055 exit(1);
2056 }
2057 vga_interface_type = t;
2058 break;
2059 }
2060 }
2061 if (t == VGA_TYPE_MAX) {
2062 invalid_vga:
2063 error_report("unknown vga type: %s", p);
2064 exit(1);
2065 }
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",retrace=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "dumb", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_DUMB;
2073 else if (strstart(opts, "precise", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_PRECISE;
2075 else goto invalid_vga;
2076 } else goto invalid_vga;
2077 opts = nextopt;
2078 }
2079 }
2080
2081 typedef enum DisplayType {
2082 DT_DEFAULT,
2083 DT_CURSES,
2084 DT_SDL,
2085 DT_COCOA,
2086 DT_GTK,
2087 DT_NONE,
2088 } DisplayType;
2089
2090 static DisplayType select_display(const char *p)
2091 {
2092 const char *opts;
2093 DisplayType display = DT_DEFAULT;
2094
2095 if (strstart(p, "sdl", &opts)) {
2096 #ifdef CONFIG_SDL
2097 display = DT_SDL;
2098 while (*opts) {
2099 const char *nextopt;
2100
2101 if (strstart(opts, ",frame=", &nextopt)) {
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 no_frame = 0;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 no_frame = 1;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 alt_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 alt_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 ctrl_grab = 1;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 ctrl_grab = 0;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else if (strstart(opts, ",window_close=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "on", &nextopt)) {
2131 no_quit = 0;
2132 } else if (strstart(opts, "off", &nextopt)) {
2133 no_quit = 1;
2134 } else {
2135 goto invalid_sdl_args;
2136 }
2137 } else if (strstart(opts, ",gl=", &nextopt)) {
2138 opts = nextopt;
2139 if (strstart(opts, "on", &nextopt)) {
2140 request_opengl = 1;
2141 } else if (strstart(opts, "off", &nextopt)) {
2142 request_opengl = 0;
2143 } else {
2144 goto invalid_sdl_args;
2145 }
2146 } else {
2147 invalid_sdl_args:
2148 error_report("invalid SDL option string");
2149 exit(1);
2150 }
2151 opts = nextopt;
2152 }
2153 #else
2154 error_report("SDL support is disabled");
2155 exit(1);
2156 #endif
2157 } else if (strstart(p, "vnc", &opts)) {
2158 if (*opts == '=') {
2159 vnc_parse(opts + 1, &error_fatal);
2160 } else {
2161 error_report("VNC requires a display argument vnc=<display>");
2162 exit(1);
2163 }
2164 } else if (strstart(p, "curses", &opts)) {
2165 #ifdef CONFIG_CURSES
2166 display = DT_CURSES;
2167 #else
2168 error_report("curses support is disabled");
2169 exit(1);
2170 #endif
2171 } else if (strstart(p, "gtk", &opts)) {
2172 #ifdef CONFIG_GTK
2173 display = DT_GTK;
2174 while (*opts) {
2175 const char *nextopt;
2176
2177 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2178 opts = nextopt;
2179 if (strstart(opts, "on", &nextopt)) {
2180 grab_on_hover = true;
2181 } else if (strstart(opts, "off", &nextopt)) {
2182 grab_on_hover = false;
2183 } else {
2184 goto invalid_gtk_args;
2185 }
2186 } else if (strstart(opts, ",gl=", &nextopt)) {
2187 opts = nextopt;
2188 if (strstart(opts, "on", &nextopt)) {
2189 request_opengl = 1;
2190 } else if (strstart(opts, "off", &nextopt)) {
2191 request_opengl = 0;
2192 } else {
2193 goto invalid_gtk_args;
2194 }
2195 } else {
2196 invalid_gtk_args:
2197 error_report("invalid GTK option string");
2198 exit(1);
2199 }
2200 opts = nextopt;
2201 }
2202 #else
2203 error_report("GTK support is disabled");
2204 exit(1);
2205 #endif
2206 } else if (strstart(p, "none", &opts)) {
2207 display = DT_NONE;
2208 } else {
2209 error_report("unknown display type");
2210 exit(1);
2211 }
2212
2213 return display;
2214 }
2215
2216 static int balloon_parse(const char *arg)
2217 {
2218 QemuOpts *opts;
2219
2220 if (strcmp(arg, "none") == 0) {
2221 return 0;
2222 }
2223
2224 if (!strncmp(arg, "virtio", 6)) {
2225 if (arg[6] == ',') {
2226 /* have params -> parse them */
2227 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2228 false);
2229 if (!opts)
2230 return -1;
2231 } else {
2232 /* create empty opts */
2233 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2234 &error_abort);
2235 }
2236 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2237 return 0;
2238 }
2239
2240 return -1;
2241 }
2242
2243 char *qemu_find_file(int type, const char *name)
2244 {
2245 int i;
2246 const char *subdir;
2247 char *buf;
2248
2249 /* Try the name as a straight path first */
2250 if (access(name, R_OK) == 0) {
2251 trace_load_file(name, name);
2252 return g_strdup(name);
2253 }
2254
2255 switch (type) {
2256 case QEMU_FILE_TYPE_BIOS:
2257 subdir = "";
2258 break;
2259 case QEMU_FILE_TYPE_KEYMAP:
2260 subdir = "keymaps/";
2261 break;
2262 default:
2263 abort();
2264 }
2265
2266 for (i = 0; i < data_dir_idx; i++) {
2267 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2268 if (access(buf, R_OK) == 0) {
2269 trace_load_file(name, buf);
2270 return buf;
2271 }
2272 g_free(buf);
2273 }
2274 return NULL;
2275 }
2276
2277 static inline bool nonempty_str(const char *str)
2278 {
2279 return str && *str;
2280 }
2281
2282 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2283 {
2284 gchar *buf;
2285 size_t size;
2286 const char *name, *file, *str;
2287 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2288
2289 if (fw_cfg == NULL) {
2290 error_report("fw_cfg device not available");
2291 return -1;
2292 }
2293 name = qemu_opt_get(opts, "name");
2294 file = qemu_opt_get(opts, "file");
2295 str = qemu_opt_get(opts, "string");
2296
2297 /* we need name and either a file or the content string */
2298 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2299 error_report("invalid argument(s)");
2300 return -1;
2301 }
2302 if (nonempty_str(file) && nonempty_str(str)) {
2303 error_report("file and string are mutually exclusive");
2304 return -1;
2305 }
2306 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2307 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2308 return -1;
2309 }
2310 if (strncmp(name, "opt/", 4) != 0) {
2311 error_report("warning: externally provided fw_cfg item names "
2312 "should be prefixed with \"opt/\"");
2313 }
2314 if (nonempty_str(str)) {
2315 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2316 buf = g_memdup(str, size);
2317 } else {
2318 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2319 error_report("can't load %s", file);
2320 return -1;
2321 }
2322 }
2323 /* For legacy, keep user files in a specific global order. */
2324 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2325 fw_cfg_add_file(fw_cfg, name, buf, size);
2326 fw_cfg_reset_order_override(fw_cfg);
2327 return 0;
2328 }
2329
2330 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 return qdev_device_help(opts);
2333 }
2334
2335 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2336 {
2337 Error *err = NULL;
2338 DeviceState *dev;
2339
2340 dev = qdev_device_add(opts, &err);
2341 if (!dev) {
2342 error_report_err(err);
2343 return -1;
2344 }
2345 object_unref(OBJECT(dev));
2346 return 0;
2347 }
2348
2349 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 Error *local_err = NULL;
2352
2353 qemu_chr_new_from_opts(opts, NULL, &local_err);
2354 if (local_err) {
2355 error_report_err(local_err);
2356 return -1;
2357 }
2358 return 0;
2359 }
2360
2361 #ifdef CONFIG_VIRTFS
2362 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2363 {
2364 int ret;
2365 ret = qemu_fsdev_add(opts);
2366
2367 return ret;
2368 }
2369 #endif
2370
2371 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2372 {
2373 CharDriverState *chr;
2374 const char *chardev;
2375 const char *mode;
2376 int flags;
2377
2378 mode = qemu_opt_get(opts, "mode");
2379 if (mode == NULL) {
2380 mode = "readline";
2381 }
2382 if (strcmp(mode, "readline") == 0) {
2383 flags = MONITOR_USE_READLINE;
2384 } else if (strcmp(mode, "control") == 0) {
2385 flags = MONITOR_USE_CONTROL;
2386 } else {
2387 error_report("unknown monitor mode \"%s\"", mode);
2388 exit(1);
2389 }
2390
2391 if (qemu_opt_get_bool(opts, "pretty", 0))
2392 flags |= MONITOR_USE_PRETTY;
2393
2394 if (qemu_opt_get_bool(opts, "default", 0))
2395 flags |= MONITOR_IS_DEFAULT;
2396
2397 chardev = qemu_opt_get(opts, "chardev");
2398 chr = qemu_chr_find(chardev);
2399 if (chr == NULL) {
2400 error_report("chardev \"%s\" not found", chardev);
2401 exit(1);
2402 }
2403
2404 qemu_chr_fe_claim_no_fail(chr);
2405 monitor_init(chr, flags);
2406 return 0;
2407 }
2408
2409 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2410 {
2411 static int monitor_device_index = 0;
2412 QemuOpts *opts;
2413 const char *p;
2414 char label[32];
2415 int def = 0;
2416
2417 if (strstart(optarg, "chardev:", &p)) {
2418 snprintf(label, sizeof(label), "%s", p);
2419 } else {
2420 snprintf(label, sizeof(label), "compat_monitor%d",
2421 monitor_device_index);
2422 if (monitor_device_index == 0) {
2423 def = 1;
2424 }
2425 opts = qemu_chr_parse_compat(label, optarg);
2426 if (!opts) {
2427 error_report("parse error: %s", optarg);
2428 exit(1);
2429 }
2430 }
2431
2432 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2433 qemu_opt_set(opts, "mode", mode, &error_abort);
2434 qemu_opt_set(opts, "chardev", label, &error_abort);
2435 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2436 if (def)
2437 qemu_opt_set(opts, "default", "on", &error_abort);
2438 monitor_device_index++;
2439 }
2440
2441 struct device_config {
2442 enum {
2443 DEV_USB, /* -usbdevice */
2444 DEV_BT, /* -bt */
2445 DEV_SERIAL, /* -serial */
2446 DEV_PARALLEL, /* -parallel */
2447 DEV_VIRTCON, /* -virtioconsole */
2448 DEV_DEBUGCON, /* -debugcon */
2449 DEV_GDB, /* -gdb, -s */
2450 DEV_SCLP, /* s390 sclp */
2451 } type;
2452 const char *cmdline;
2453 Location loc;
2454 QTAILQ_ENTRY(device_config) next;
2455 };
2456
2457 static QTAILQ_HEAD(, device_config) device_configs =
2458 QTAILQ_HEAD_INITIALIZER(device_configs);
2459
2460 static void add_device_config(int type, const char *cmdline)
2461 {
2462 struct device_config *conf;
2463
2464 conf = g_malloc0(sizeof(*conf));
2465 conf->type = type;
2466 conf->cmdline = cmdline;
2467 loc_save(&conf->loc);
2468 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2469 }
2470
2471 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2472 {
2473 struct device_config *conf;
2474 int rc;
2475
2476 QTAILQ_FOREACH(conf, &device_configs, next) {
2477 if (conf->type != type)
2478 continue;
2479 loc_push_restore(&conf->loc);
2480 rc = func(conf->cmdline);
2481 loc_pop(&conf->loc);
2482 if (rc) {
2483 return rc;
2484 }
2485 }
2486 return 0;
2487 }
2488
2489 static int serial_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_SERIAL_PORTS) {
2497 error_report("too many serial ports");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "serial%d", index);
2501 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!serial_hds[index]) {
2503 error_report("could not connect serial device"
2504 " to character backend '%s'", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int parallel_parse(const char *devname)
2512 {
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_PARALLEL_PORTS) {
2519 error_report("too many parallel ports");
2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "parallel%d", index);
2523 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!parallel_hds[index]) {
2525 error_report("could not connect parallel device"
2526 " to character backend '%s'", devname);
2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531 }
2532
2533 static int virtcon_parse(const char *devname)
2534 {
2535 QemuOptsList *device = qemu_find_opts("device");
2536 static int index = 0;
2537 char label[32];
2538 QemuOpts *bus_opts, *dev_opts;
2539
2540 if (strcmp(devname, "none") == 0)
2541 return 0;
2542 if (index == MAX_VIRTIO_CONSOLES) {
2543 error_report("too many virtio consoles");
2544 exit(1);
2545 }
2546
2547 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2548 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2549
2550 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2551 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2552
2553 snprintf(label, sizeof(label), "virtcon%d", index);
2554 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2555 if (!virtcon_hds[index]) {
2556 error_report("could not connect virtio console"
2557 " to character backend '%s'", devname);
2558 return -1;
2559 }
2560 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2561
2562 index++;
2563 return 0;
2564 }
2565
2566 static int sclp_parse(const char *devname)
2567 {
2568 QemuOptsList *device = qemu_find_opts("device");
2569 static int index = 0;
2570 char label[32];
2571 QemuOpts *dev_opts;
2572
2573 if (strcmp(devname, "none") == 0) {
2574 return 0;
2575 }
2576 if (index == MAX_SCLP_CONSOLES) {
2577 error_report("too many sclp consoles");
2578 exit(1);
2579 }
2580
2581 assert(arch_type == QEMU_ARCH_S390X);
2582
2583 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2584 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2585
2586 snprintf(label, sizeof(label), "sclpcon%d", index);
2587 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2588 if (!sclp_hds[index]) {
2589 error_report("could not connect sclp console"
2590 " to character backend '%s'", devname);
2591 return -1;
2592 }
2593 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2594
2595 index++;
2596 return 0;
2597 }
2598
2599 static int debugcon_parse(const char *devname)
2600 {
2601 QemuOpts *opts;
2602
2603 if (!qemu_chr_new("debugcon", devname, NULL)) {
2604 exit(1);
2605 }
2606 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2607 if (!opts) {
2608 error_report("already have a debugcon device");
2609 exit(1);
2610 }
2611 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2612 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2613 return 0;
2614 }
2615
2616 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2617 {
2618 const MachineClass *mc1 = a, *mc2 = b;
2619 int res;
2620
2621 if (mc1->family == NULL) {
2622 if (mc2->family == NULL) {
2623 /* Compare standalone machine types against each other; they sort
2624 * in increasing order.
2625 */
2626 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2627 object_class_get_name(OBJECT_CLASS(mc2)));
2628 }
2629
2630 /* Standalone machine types sort after families. */
2631 return 1;
2632 }
2633
2634 if (mc2->family == NULL) {
2635 /* Families sort before standalone machine types. */
2636 return -1;
2637 }
2638
2639 /* Families sort between each other alphabetically increasingly. */
2640 res = strcmp(mc1->family, mc2->family);
2641 if (res != 0) {
2642 return res;
2643 }
2644
2645 /* Within the same family, machine types sort in decreasing order. */
2646 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2647 object_class_get_name(OBJECT_CLASS(mc1)));
2648 }
2649
2650 static MachineClass *machine_parse(const char *name)
2651 {
2652 MachineClass *mc = NULL;
2653 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2654
2655 if (name) {
2656 mc = find_machine(name);
2657 }
2658 if (mc) {
2659 g_slist_free(machines);
2660 return mc;
2661 }
2662 if (name && !is_help_option(name)) {
2663 error_report("unsupported machine type");
2664 error_printf("Use -machine help to list supported machines\n");
2665 } else {
2666 printf("Supported machines are:\n");
2667 machines = g_slist_sort(machines, machine_class_cmp);
2668 for (el = machines; el; el = el->next) {
2669 MachineClass *mc = el->data;
2670 if (mc->alias) {
2671 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2672 }
2673 printf("%-20s %s%s\n", mc->name, mc->desc,
2674 mc->is_default ? " (default)" : "");
2675 }
2676 }
2677
2678 g_slist_free(machines);
2679 exit(!name || !is_help_option(name));
2680 }
2681
2682 void qemu_add_exit_notifier(Notifier *notify)
2683 {
2684 notifier_list_add(&exit_notifiers, notify);
2685 }
2686
2687 void qemu_remove_exit_notifier(Notifier *notify)
2688 {
2689 notifier_remove(notify);
2690 }
2691
2692 static void qemu_run_exit_notifiers(void)
2693 {
2694 notifier_list_notify(&exit_notifiers, NULL);
2695 }
2696
2697 static bool machine_init_done;
2698
2699 void qemu_add_machine_init_done_notifier(Notifier *notify)
2700 {
2701 notifier_list_add(&machine_init_done_notifiers, notify);
2702 if (machine_init_done) {
2703 notify->notify(notify, NULL);
2704 }
2705 }
2706
2707 static void qemu_run_machine_init_done_notifiers(void)
2708 {
2709 notifier_list_notify(&machine_init_done_notifiers, NULL);
2710 machine_init_done = true;
2711 }
2712
2713 static const QEMUOption *lookup_opt(int argc, char **argv,
2714 const char **poptarg, int *poptind)
2715 {
2716 const QEMUOption *popt;
2717 int optind = *poptind;
2718 char *r = argv[optind];
2719 const char *optarg;
2720
2721 loc_set_cmdline(argv, optind, 1);
2722 optind++;
2723 /* Treat --foo the same as -foo. */
2724 if (r[1] == '-')
2725 r++;
2726 popt = qemu_options;
2727 for(;;) {
2728 if (!popt->name) {
2729 error_report("invalid option");
2730 exit(1);
2731 }
2732 if (!strcmp(popt->name, r + 1))
2733 break;
2734 popt++;
2735 }
2736 if (popt->flags & HAS_ARG) {
2737 if (optind >= argc) {
2738 error_report("requires an argument");
2739 exit(1);
2740 }
2741 optarg = argv[optind++];
2742 loc_set_cmdline(argv, optind - 2, 2);
2743 } else {
2744 optarg = NULL;
2745 }
2746
2747 *poptarg = optarg;
2748 *poptind = optind;
2749
2750 return popt;
2751 }
2752
2753 static MachineClass *select_machine(void)
2754 {
2755 MachineClass *machine_class = find_default_machine();
2756 const char *optarg;
2757 QemuOpts *opts;
2758 Location loc;
2759
2760 loc_push_none(&loc);
2761
2762 opts = qemu_get_machine_opts();
2763 qemu_opts_loc_restore(opts);
2764
2765 optarg = qemu_opt_get(opts, "type");
2766 if (optarg) {
2767 machine_class = machine_parse(optarg);
2768 }
2769
2770 if (!machine_class) {
2771 error_report("No machine specified, and there is no default");
2772 error_printf("Use -machine help to list supported machines\n");
2773 exit(1);
2774 }
2775
2776 loc_pop(&loc);
2777 return machine_class;
2778 }
2779
2780 static int machine_set_property(void *opaque,
2781 const char *name, const char *value,
2782 Error **errp)
2783 {
2784 Object *obj = OBJECT(opaque);
2785 Error *local_err = NULL;
2786 char *c, *qom_name;
2787
2788 if (strcmp(name, "type") == 0) {
2789 return 0;
2790 }
2791
2792 qom_name = g_strdup(name);
2793 c = qom_name;
2794 while (*c++) {
2795 if (*c == '_') {
2796 *c = '-';
2797 }
2798 }
2799
2800 object_property_parse(obj, value, qom_name, &local_err);
2801 g_free(qom_name);
2802
2803 if (local_err) {
2804 error_report_err(local_err);
2805 return -1;
2806 }
2807
2808 return 0;
2809 }
2810
2811
2812 /*
2813 * Initial object creation happens before all other
2814 * QEMU data types are created. The majority of objects
2815 * can be created at this point. The rng-egd object
2816 * cannot be created here, as it depends on the chardev
2817 * already existing.
2818 */
2819 static bool object_create_initial(const char *type)
2820 {
2821 if (g_str_equal(type, "rng-egd")) {
2822 return false;
2823 }
2824
2825 /*
2826 * return false for concrete netfilters since
2827 * they depend on netdevs already existing
2828 */
2829 if (g_str_equal(type, "filter-buffer") ||
2830 g_str_equal(type, "filter-dump") ||
2831 g_str_equal(type, "filter-mirror") ||
2832 g_str_equal(type, "filter-redirector")) {
2833 return false;
2834 }
2835
2836 return true;
2837 }
2838
2839
2840 /*
2841 * The remainder of object creation happens after the
2842 * creation of chardev, fsdev, net clients and device data types.
2843 */
2844 static bool object_create_delayed(const char *type)
2845 {
2846 return !object_create_initial(type);
2847 }
2848
2849
2850 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2851 MachineClass *mc)
2852 {
2853 uint64_t sz;
2854 const char *mem_str;
2855 const char *maxmem_str, *slots_str;
2856 const ram_addr_t default_ram_size = mc->default_ram_size;
2857 QemuOpts *opts = qemu_find_opts_singleton("memory");
2858 Location loc;
2859
2860 loc_push_none(&loc);
2861 qemu_opts_loc_restore(opts);
2862
2863 sz = 0;
2864 mem_str = qemu_opt_get(opts, "size");
2865 if (mem_str) {
2866 if (!*mem_str) {
2867 error_report("missing 'size' option value");
2868 exit(EXIT_FAILURE);
2869 }
2870
2871 sz = qemu_opt_get_size(opts, "size", ram_size);
2872
2873 /* Fix up legacy suffix-less format */
2874 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2875 uint64_t overflow_check = sz;
2876
2877 sz <<= 20;
2878 if ((sz >> 20) != overflow_check) {
2879 error_report("too large 'size' option value");
2880 exit(EXIT_FAILURE);
2881 }
2882 }
2883 }
2884
2885 /* backward compatibility behaviour for case "-m 0" */
2886 if (sz == 0) {
2887 sz = default_ram_size;
2888 }
2889
2890 sz = QEMU_ALIGN_UP(sz, 8192);
2891 ram_size = sz;
2892 if (ram_size != sz) {
2893 error_report("ram size too large");
2894 exit(EXIT_FAILURE);
2895 }
2896
2897 /* store value for the future use */
2898 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2899 *maxram_size = ram_size;
2900
2901 maxmem_str = qemu_opt_get(opts, "maxmem");
2902 slots_str = qemu_opt_get(opts, "slots");
2903 if (maxmem_str && slots_str) {
2904 uint64_t slots;
2905
2906 sz = qemu_opt_get_size(opts, "maxmem", 0);
2907 slots = qemu_opt_get_number(opts, "slots", 0);
2908 if (sz < ram_size) {
2909 error_report("invalid value of -m option maxmem: "
2910 "maximum memory size (0x%" PRIx64 ") must be at least "
2911 "the initial memory size (0x" RAM_ADDR_FMT ")",
2912 sz, ram_size);
2913 exit(EXIT_FAILURE);
2914 } else if (sz > ram_size) {
2915 if (!slots) {
2916 error_report("invalid value of -m option: maxmem was "
2917 "specified, but no hotplug slots were specified");
2918 exit(EXIT_FAILURE);
2919 }
2920 } else if (slots) {
2921 error_report("invalid value of -m option maxmem: "
2922 "memory slots were specified but maximum memory size "
2923 "(0x%" PRIx64 ") is equal to the initial memory size "
2924 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2925 exit(EXIT_FAILURE);
2926 }
2927
2928 *maxram_size = sz;
2929 *ram_slots = slots;
2930 } else if ((!maxmem_str && slots_str) ||
2931 (maxmem_str && !slots_str)) {
2932 error_report("invalid -m option value: missing "
2933 "'%s' option", slots_str ? "maxmem" : "slots");
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 loc_pop(&loc);
2938 }
2939
2940 int main(int argc, char **argv, char **envp)
2941 {
2942 int i;
2943 int snapshot, linux_boot;
2944 const char *initrd_filename;
2945 const char *kernel_filename, *kernel_cmdline;
2946 const char *boot_order = NULL;
2947 const char *boot_once = NULL;
2948 DisplayState *ds;
2949 int cyls, heads, secs, translation;
2950 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2951 QemuOptsList *olist;
2952 int optind;
2953 const char *optarg;
2954 const char *loadvm = NULL;
2955 MachineClass *machine_class;
2956 const char *cpu_model;
2957 const char *vga_model = NULL;
2958 const char *qtest_chrdev = NULL;
2959 const char *qtest_log = NULL;
2960 const char *pid_file = NULL;
2961 const char *incoming = NULL;
2962 int show_vnc_port = 0;
2963 bool defconfig = true;
2964 bool userconfig = true;
2965 bool nographic = false;
2966 DisplayType display_type = DT_DEFAULT;
2967 int display_remote = 0;
2968 const char *log_mask = NULL;
2969 const char *log_file = NULL;
2970 char *trace_file = NULL;
2971 ram_addr_t maxram_size;
2972 uint64_t ram_slots = 0;
2973 FILE *vmstate_dump_file = NULL;
2974 Error *main_loop_err = NULL;
2975 Error *err = NULL;
2976
2977 qemu_init_cpu_loop();
2978 qemu_mutex_lock_iothread();
2979
2980 atexit(qemu_run_exit_notifiers);
2981 error_set_progname(argv[0]);
2982 qemu_init_exec_dir(argv[0]);
2983
2984 module_call_init(MODULE_INIT_QOM);
2985
2986 qemu_add_opts(&qemu_drive_opts);
2987 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2988 qemu_add_drive_opts(&qemu_common_drive_opts);
2989 qemu_add_drive_opts(&qemu_drive_opts);
2990 qemu_add_opts(&qemu_chardev_opts);
2991 qemu_add_opts(&qemu_device_opts);
2992 qemu_add_opts(&qemu_netdev_opts);
2993 qemu_add_opts(&qemu_net_opts);
2994 qemu_add_opts(&qemu_rtc_opts);
2995 qemu_add_opts(&qemu_global_opts);
2996 qemu_add_opts(&qemu_mon_opts);
2997 qemu_add_opts(&qemu_trace_opts);
2998 qemu_add_opts(&qemu_option_rom_opts);
2999 qemu_add_opts(&qemu_machine_opts);
3000 qemu_add_opts(&qemu_mem_opts);
3001 qemu_add_opts(&qemu_smp_opts);
3002 qemu_add_opts(&qemu_boot_opts);
3003 qemu_add_opts(&qemu_sandbox_opts);
3004 qemu_add_opts(&qemu_add_fd_opts);
3005 qemu_add_opts(&qemu_object_opts);
3006 qemu_add_opts(&qemu_tpmdev_opts);
3007 qemu_add_opts(&qemu_realtime_opts);
3008 qemu_add_opts(&qemu_msg_opts);
3009 qemu_add_opts(&qemu_name_opts);
3010 qemu_add_opts(&qemu_numa_opts);
3011 qemu_add_opts(&qemu_icount_opts);
3012 qemu_add_opts(&qemu_semihosting_config_opts);
3013 qemu_add_opts(&qemu_fw_cfg_opts);
3014 module_call_init(MODULE_INIT_OPTS);
3015
3016 runstate_init();
3017
3018 if (qcrypto_init(&err) < 0) {
3019 error_reportf_err(err, "cannot initialize crypto: ");
3020 exit(1);
3021 }
3022 rtc_clock = QEMU_CLOCK_HOST;
3023
3024 QLIST_INIT (&vm_change_state_head);
3025 os_setup_early_signal_handling();
3026
3027 cpu_model = NULL;
3028 snapshot = 0;
3029 cyls = heads = secs = 0;
3030 translation = BIOS_ATA_TRANSLATION_AUTO;
3031
3032 nb_nics = 0;
3033
3034 bdrv_init_with_whitelist();
3035
3036 autostart = 1;
3037
3038 /* first pass of option parsing */
3039 optind = 1;
3040 while (optind < argc) {
3041 if (argv[optind][0] != '-') {
3042 /* disk image */
3043 optind++;
3044 } else {
3045 const QEMUOption *popt;
3046
3047 popt = lookup_opt(argc, argv, &optarg, &optind);
3048 switch (popt->index) {
3049 case QEMU_OPTION_nodefconfig:
3050 defconfig = false;
3051 break;
3052 case QEMU_OPTION_nouserconfig:
3053 userconfig = false;
3054 break;
3055 }
3056 }
3057 }
3058
3059 if (defconfig) {
3060 int ret;
3061 ret = qemu_read_default_config_files(userconfig);
3062 if (ret < 0) {
3063 exit(1);
3064 }
3065 }
3066
3067 /* second pass of option parsing */
3068 optind = 1;
3069 for(;;) {
3070 if (optind >= argc)
3071 break;
3072 if (argv[optind][0] != '-') {
3073 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3074 } else {
3075 const QEMUOption *popt;
3076
3077 popt = lookup_opt(argc, argv, &optarg, &optind);
3078 if (!(popt->arch_mask & arch_type)) {
3079 printf("Option %s not supported for this target\n", popt->name);
3080 exit(1);
3081 }
3082 switch(popt->index) {
3083 case QEMU_OPTION_no_kvm_irqchip: {
3084 olist = qemu_find_opts("machine");
3085 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3086 break;
3087 }
3088 case QEMU_OPTION_cpu:
3089 /* hw initialization will check this */
3090 cpu_model = optarg;
3091 break;
3092 case QEMU_OPTION_hda:
3093 {
3094 char buf[256];
3095 if (cyls == 0)
3096 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3097 else
3098 snprintf(buf, sizeof(buf),
3099 "%s,cyls=%d,heads=%d,secs=%d%s",
3100 HD_OPTS , cyls, heads, secs,
3101 translation == BIOS_ATA_TRANSLATION_LBA ?
3102 ",trans=lba" :
3103 translation == BIOS_ATA_TRANSLATION_NONE ?
3104 ",trans=none" : "");
3105 drive_add(IF_DEFAULT, 0, optarg, buf);
3106 break;
3107 }
3108 case QEMU_OPTION_hdb:
3109 case QEMU_OPTION_hdc:
3110 case QEMU_OPTION_hdd:
3111 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3112 HD_OPTS);
3113 break;
3114 case QEMU_OPTION_drive:
3115 if (drive_def(optarg) == NULL) {
3116 exit(1);
3117 }
3118 break;
3119 case QEMU_OPTION_set:
3120 if (qemu_set_option(optarg) != 0)
3121 exit(1);
3122 break;
3123 case QEMU_OPTION_global:
3124 if (qemu_global_option(optarg) != 0)
3125 exit(1);
3126 break;
3127 case QEMU_OPTION_mtdblock:
3128 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3129 break;
3130 case QEMU_OPTION_sd:
3131 drive_add(IF_SD, -1, optarg, SD_OPTS);
3132 break;
3133 case QEMU_OPTION_pflash:
3134 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3135 break;
3136 case QEMU_OPTION_snapshot:
3137 snapshot = 1;
3138 break;
3139 case QEMU_OPTION_hdachs:
3140 {
3141 const char *p;
3142 p = optarg;
3143 cyls = strtol(p, (char **)&p, 0);
3144 if (cyls < 1 || cyls > 16383)
3145 goto chs_fail;
3146 if (*p != ',')
3147 goto chs_fail;
3148 p++;
3149 heads = strtol(p, (char **)&p, 0);
3150 if (heads < 1 || heads > 16)
3151 goto chs_fail;
3152 if (*p != ',')
3153 goto chs_fail;
3154 p++;
3155 secs = strtol(p, (char **)&p, 0);
3156 if (secs < 1 || secs > 63)
3157 goto chs_fail;
3158 if (*p == ',') {
3159 p++;
3160 if (!strcmp(p, "large")) {
3161 translation = BIOS_ATA_TRANSLATION_LARGE;
3162 } else if (!strcmp(p, "rechs")) {
3163 translation = BIOS_ATA_TRANSLATION_RECHS;
3164 } else if (!strcmp(p, "none")) {
3165 translation = BIOS_ATA_TRANSLATION_NONE;
3166 } else if (!strcmp(p, "lba")) {
3167 translation = BIOS_ATA_TRANSLATION_LBA;
3168 } else if (!strcmp(p, "auto")) {
3169 translation = BIOS_ATA_TRANSLATION_AUTO;
3170 } else {
3171 goto chs_fail;
3172 }
3173 } else if (*p != '\0') {
3174 chs_fail:
3175 error_report("invalid physical CHS format");
3176 exit(1);
3177 }
3178 if (hda_opts != NULL) {
3179 qemu_opt_set_number(hda_opts, "cyls", cyls,
3180 &error_abort);
3181 qemu_opt_set_number(hda_opts, "heads", heads,
3182 &error_abort);
3183 qemu_opt_set_number(hda_opts, "secs", secs,
3184 &error_abort);
3185 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3186 qemu_opt_set(hda_opts, "trans", "large",
3187 &error_abort);
3188 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3189 qemu_opt_set(hda_opts, "trans", "rechs",
3190 &error_abort);
3191 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3192 qemu_opt_set(hda_opts, "trans", "lba",
3193 &error_abort);
3194 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3195 qemu_opt_set(hda_opts, "trans", "none",
3196 &error_abort);
3197 }
3198 }
3199 }
3200 break;
3201 case QEMU_OPTION_numa:
3202 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3203 optarg, true);
3204 if (!opts) {
3205 exit(1);
3206 }
3207 break;
3208 case QEMU_OPTION_display:
3209 display_type = select_display(optarg);
3210 break;
3211 case QEMU_OPTION_nographic:
3212 olist = qemu_find_opts("machine");
3213 qemu_opts_parse_noisily(olist, "graphics=off", false);
3214 nographic = true;
3215 display_type = DT_NONE;
3216 break;
3217 case QEMU_OPTION_curses:
3218 #ifdef CONFIG_CURSES
3219 display_type = DT_CURSES;
3220 #else
3221 error_report("curses support is disabled");
3222 exit(1);
3223 #endif
3224 break;
3225 case QEMU_OPTION_portrait:
3226 graphic_rotate = 90;
3227 break;
3228 case QEMU_OPTION_rotate:
3229 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3230 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3231 graphic_rotate != 180 && graphic_rotate != 270) {
3232 error_report("only 90, 180, 270 deg rotation is available");
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_kernel:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_initrd:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_append:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_dtb:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3250 &error_abort);
3251 break;
3252 case QEMU_OPTION_cdrom:
3253 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3254 break;
3255 case QEMU_OPTION_boot:
3256 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3257 optarg, true);
3258 if (!opts) {
3259 exit(1);
3260 }
3261 break;
3262 case QEMU_OPTION_fda:
3263 case QEMU_OPTION_fdb:
3264 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3265 optarg, FD_OPTS);
3266 break;
3267 case QEMU_OPTION_no_fd_bootchk:
3268 fd_bootchk = 0;
3269 break;
3270 case QEMU_OPTION_netdev:
3271 default_net = 0;
3272 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_net:
3277 default_net = 0;
3278 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3279 exit(1);
3280 }
3281 break;
3282 #ifdef CONFIG_LIBISCSI
3283 case QEMU_OPTION_iscsi:
3284 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3285 optarg, false);
3286 if (!opts) {
3287 exit(1);
3288 }
3289 break;
3290 #endif
3291 #ifdef CONFIG_SLIRP
3292 case QEMU_OPTION_tftp:
3293 error_report("The -tftp option is deprecated. "
3294 "Please use '-netdev user,tftp=...' instead.");
3295 legacy_tftp_prefix = optarg;
3296 break;
3297 case QEMU_OPTION_bootp:
3298 error_report("The -bootp option is deprecated. "
3299 "Please use '-netdev user,bootfile=...' instead.");
3300 legacy_bootp_filename = optarg;
3301 break;
3302 case QEMU_OPTION_redir:
3303 error_report("The -redir option is deprecated. "
3304 "Please use '-netdev user,hostfwd=...' instead.");
3305 if (net_slirp_redir(optarg) < 0)
3306 exit(1);
3307 break;
3308 #endif
3309 case QEMU_OPTION_bt:
3310 add_device_config(DEV_BT, optarg);
3311 break;
3312 case QEMU_OPTION_audio_help:
3313 AUD_help ();
3314 exit (0);
3315 break;
3316 case QEMU_OPTION_soundhw:
3317 select_soundhw (optarg);
3318 break;
3319 case QEMU_OPTION_h:
3320 help(0);
3321 break;
3322 case QEMU_OPTION_version:
3323 version();
3324 exit(0);
3325 break;
3326 case QEMU_OPTION_m:
3327 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3328 optarg, true);
3329 if (!opts) {
3330 exit(EXIT_FAILURE);
3331 }
3332 break;
3333 #ifdef CONFIG_TPM
3334 case QEMU_OPTION_tpmdev:
3335 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3336 exit(1);
3337 }
3338 break;
3339 #endif
3340 case QEMU_OPTION_mempath:
3341 mem_path = optarg;
3342 break;
3343 case QEMU_OPTION_mem_prealloc:
3344 mem_prealloc = 1;
3345 break;
3346 case QEMU_OPTION_d:
3347 log_mask = optarg;
3348 break;
3349 case QEMU_OPTION_D:
3350 log_file = optarg;
3351 break;
3352 case QEMU_OPTION_DFILTER:
3353 qemu_set_dfilter_ranges(optarg);
3354 break;
3355 case QEMU_OPTION_s:
3356 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3357 break;
3358 case QEMU_OPTION_gdb:
3359 add_device_config(DEV_GDB, optarg);
3360 break;
3361 case QEMU_OPTION_L:
3362 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3363 data_dir[data_dir_idx++] = optarg;
3364 }
3365 break;
3366 case QEMU_OPTION_bios:
3367 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3368 &error_abort);
3369 break;
3370 case QEMU_OPTION_singlestep:
3371 singlestep = 1;
3372 break;
3373 case QEMU_OPTION_S:
3374 autostart = 0;
3375 break;
3376 case QEMU_OPTION_k:
3377 keyboard_layout = optarg;
3378 break;
3379 case QEMU_OPTION_localtime:
3380 rtc_utc = 0;
3381 break;
3382 case QEMU_OPTION_vga:
3383 vga_model = optarg;
3384 default_vga = 0;
3385 break;
3386 case QEMU_OPTION_g:
3387 {
3388 const char *p;
3389 int w, h, depth;
3390 p = optarg;
3391 w = strtol(p, (char **)&p, 10);
3392 if (w <= 0) {
3393 graphic_error:
3394 error_report("invalid resolution or depth");
3395 exit(1);
3396 }
3397 if (*p != 'x')
3398 goto graphic_error;
3399 p++;
3400 h = strtol(p, (char **)&p, 10);
3401 if (h <= 0)
3402 goto graphic_error;
3403 if (*p == 'x') {
3404 p++;
3405 depth = strtol(p, (char **)&p, 10);
3406 if (depth != 8 && depth != 15 && depth != 16 &&
3407 depth != 24 && depth != 32)
3408 goto graphic_error;
3409 } else if (*p == '\0') {
3410 depth = graphic_depth;
3411 } else {
3412 goto graphic_error;
3413 }
3414
3415 graphic_width = w;
3416 graphic_height = h;
3417 graphic_depth = depth;
3418 }
3419 break;
3420 case QEMU_OPTION_echr:
3421 {
3422 char *r;
3423 term_escape_char = strtol(optarg, &r, 0);
3424 if (r == optarg)
3425 printf("Bad argument to echr\n");
3426 break;
3427 }
3428 case QEMU_OPTION_monitor:
3429 default_monitor = 0;
3430 if (strncmp(optarg, "none", 4)) {
3431 monitor_parse(optarg, "readline", false);
3432 }
3433 break;
3434 case QEMU_OPTION_qmp:
3435 monitor_parse(optarg, "control", false);
3436 default_monitor = 0;
3437 break;
3438 case QEMU_OPTION_qmp_pretty:
3439 monitor_parse(optarg, "control", true);
3440 default_monitor = 0;
3441 break;
3442 case QEMU_OPTION_mon:
3443 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3444 true);
3445 if (!opts) {
3446 exit(1);
3447 }
3448 default_monitor = 0;
3449 break;
3450 case QEMU_OPTION_chardev:
3451 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3452 optarg, true);
3453 if (!opts) {
3454 exit(1);
3455 }
3456 break;
3457 case QEMU_OPTION_fsdev:
3458 olist = qemu_find_opts("fsdev");
3459 if (!olist) {
3460 error_report("fsdev support is disabled");
3461 exit(1);
3462 }
3463 opts = qemu_opts_parse_noisily(olist, optarg, true);
3464 if (!opts) {
3465 exit(1);
3466 }
3467 break;
3468 case QEMU_OPTION_virtfs: {
3469 QemuOpts *fsdev;
3470 QemuOpts *device;
3471 const char *writeout, *sock_fd, *socket;
3472
3473 olist = qemu_find_opts("virtfs");
3474 if (!olist) {
3475 error_report("virtfs support is disabled");
3476 exit(1);
3477 }
3478 opts = qemu_opts_parse_noisily(olist, optarg, true);
3479 if (!opts) {
3480 exit(1);
3481 }
3482
3483 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3484 qemu_opt_get(opts, "mount_tag") == NULL) {
3485 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3486 exit(1);
3487 }
3488 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3489 qemu_opt_get(opts, "mount_tag"),
3490 1, NULL);
3491 if (!fsdev) {
3492 error_report("duplicate fsdev id: %s",
3493 qemu_opt_get(opts, "mount_tag"));
3494 exit(1);
3495 }
3496
3497 writeout = qemu_opt_get(opts, "writeout");
3498 if (writeout) {
3499 #ifdef CONFIG_SYNC_FILE_RANGE
3500 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3501 #else
3502 error_report("writeout=immediate not supported "
3503 "on this platform");
3504 exit(1);
3505 #endif
3506 }
3507 qemu_opt_set(fsdev, "fsdriver",
3508 qemu_opt_get(opts, "fsdriver"), &error_abort);
3509 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3510 &error_abort);
3511 qemu_opt_set(fsdev, "security_model",
3512 qemu_opt_get(opts, "security_model"),
3513 &error_abort);
3514 socket = qemu_opt_get(opts, "socket");
3515 if (socket) {
3516 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3517 }
3518 sock_fd = qemu_opt_get(opts, "sock_fd");
3519 if (sock_fd) {
3520 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3521 }
3522
3523 qemu_opt_set_bool(fsdev, "readonly",
3524 qemu_opt_get_bool(opts, "readonly", 0),
3525 &error_abort);
3526 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3527 &error_abort);
3528 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3529 qemu_opt_set(device, "fsdev",
3530 qemu_opt_get(opts, "mount_tag"), &error_abort);
3531 qemu_opt_set(device, "mount_tag",
3532 qemu_opt_get(opts, "mount_tag"), &error_abort);
3533 break;
3534 }
3535 case QEMU_OPTION_virtfs_synth: {
3536 QemuOpts *fsdev;
3537 QemuOpts *device;
3538
3539 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3540 1, NULL);
3541 if (!fsdev) {
3542 error_report("duplicate option: %s", "virtfs_synth");
3543 exit(1);
3544 }
3545 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3546
3547 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3548 &error_abort);
3549 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3550 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3551 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3552 break;
3553 }
3554 case QEMU_OPTION_serial:
3555 add_device_config(DEV_SERIAL, optarg);
3556 default_serial = 0;
3557 if (strncmp(optarg, "mon:", 4) == 0) {
3558 default_monitor = 0;
3559 }
3560 break;
3561 case QEMU_OPTION_watchdog:
3562 if (watchdog) {
3563 error_report("only one watchdog option may be given");
3564 return 1;
3565 }
3566 watchdog = optarg;
3567 break;
3568 case QEMU_OPTION_watchdog_action:
3569 if (select_watchdog_action(optarg) == -1) {
3570 error_report("unknown -watchdog-action parameter");
3571 exit(1);
3572 }
3573 break;
3574 case QEMU_OPTION_virtiocon:
3575 add_device_config(DEV_VIRTCON, optarg);
3576 default_virtcon = 0;
3577 if (strncmp(optarg, "mon:", 4) == 0) {
3578 default_monitor = 0;
3579 }
3580 break;
3581 case QEMU_OPTION_parallel:
3582 add_device_config(DEV_PARALLEL, optarg);
3583 default_parallel = 0;
3584 if (strncmp(optarg, "mon:", 4) == 0) {
3585 default_monitor = 0;
3586 }
3587 break;
3588 case QEMU_OPTION_debugcon:
3589 add_device_config(DEV_DEBUGCON, optarg);
3590 break;
3591 case QEMU_OPTION_loadvm:
3592 loadvm = optarg;
3593 break;
3594 case QEMU_OPTION_full_screen:
3595 full_screen = 1;
3596 break;
3597 case QEMU_OPTION_no_frame:
3598 no_frame = 1;
3599 break;
3600 case QEMU_OPTION_alt_grab:
3601 alt_grab = 1;
3602 break;
3603 case QEMU_OPTION_ctrl_grab:
3604 ctrl_grab = 1;
3605 break;
3606 case QEMU_OPTION_no_quit:
3607 no_quit = 1;
3608 break;
3609 case QEMU_OPTION_sdl:
3610 #ifdef CONFIG_SDL
3611 display_type = DT_SDL;
3612 break;
3613 #else
3614 error_report("SDL support is disabled");
3615 exit(1);
3616 #endif
3617 case QEMU_OPTION_pidfile:
3618 pid_file = optarg;
3619 break;
3620 case QEMU_OPTION_win2k_hack:
3621 win2k_install_hack = 1;
3622 break;
3623 case QEMU_OPTION_rtc_td_hack: {
3624 static GlobalProperty slew_lost_ticks = {
3625 .driver = "mc146818rtc",
3626 .property = "lost_tick_policy",
3627 .value = "slew",
3628 };
3629
3630 qdev_prop_register_global(&slew_lost_ticks);
3631 break;
3632 }
3633 case QEMU_OPTION_acpitable:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3635 optarg, true);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 do_acpitable_option(opts);
3640 break;
3641 case QEMU_OPTION_smbios:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3643 optarg, false);
3644 if (!opts) {
3645 exit(1);
3646 }
3647 do_smbios_option(opts);
3648 break;
3649 case QEMU_OPTION_fwcfg:
3650 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3651 optarg, true);
3652 if (opts == NULL) {
3653 exit(1);
3654 }
3655 break;
3656 case QEMU_OPTION_enable_kvm:
3657 olist = qemu_find_opts("machine");
3658 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3659 break;
3660 case QEMU_OPTION_M:
3661 case QEMU_OPTION_machine:
3662 olist = qemu_find_opts("machine");
3663 opts = qemu_opts_parse_noisily(olist, optarg, true);
3664 if (!opts) {
3665 exit(1);
3666 }
3667 break;
3668 case QEMU_OPTION_no_kvm:
3669 olist = qemu_find_opts("machine");
3670 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3671 break;
3672 case QEMU_OPTION_no_kvm_pit: {
3673 error_report("warning: ignoring deprecated option");
3674 break;
3675 }
3676 case QEMU_OPTION_no_kvm_pit_reinjection: {
3677 static GlobalProperty kvm_pit_lost_tick_policy = {
3678 .driver = "kvm-pit",
3679 .property = "lost_tick_policy",
3680 .value = "discard",
3681 };
3682
3683 error_report("warning: deprecated, replaced by "
3684 "-global kvm-pit.lost_tick_policy=discard");
3685 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3686 break;
3687 }
3688 case QEMU_OPTION_usb:
3689 olist = qemu_find_opts("machine");
3690 qemu_opts_parse_noisily(olist, "usb=on", false);
3691 break;
3692 case QEMU_OPTION_usbdevice:
3693 olist = qemu_find_opts("machine");
3694 qemu_opts_parse_noisily(olist, "usb=on", false);
3695 add_device_config(DEV_USB, optarg);
3696 break;
3697 case QEMU_OPTION_device:
3698 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3699 optarg, true)) {
3700 exit(1);
3701 }
3702 break;
3703 case QEMU_OPTION_smp:
3704 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3705 optarg, true)) {
3706 exit(1);
3707 }
3708 break;
3709 case QEMU_OPTION_vnc:
3710 vnc_parse(optarg, &error_fatal);
3711 break;
3712 case QEMU_OPTION_no_acpi:
3713 acpi_enabled = 0;
3714 break;
3715 case QEMU_OPTION_no_hpet:
3716 no_hpet = 1;
3717 break;
3718 case QEMU_OPTION_balloon:
3719 if (balloon_parse(optarg) < 0) {
3720 error_report("unknown -balloon argument %s", optarg);
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_no_reboot:
3725 no_reboot = 1;
3726 break;
3727 case QEMU_OPTION_no_shutdown:
3728 no_shutdown = 1;
3729 break;
3730 case QEMU_OPTION_show_cursor:
3731 cursor_hide = 0;
3732 break;
3733 case QEMU_OPTION_uuid:
3734 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3735 error_report("failed to parse UUID string: wrong format");
3736 exit(1);
3737 }
3738 qemu_uuid_set = true;
3739 break;
3740 case QEMU_OPTION_option_rom:
3741 if (nb_option_roms >= MAX_OPTION_ROMS) {
3742 error_report("too many option ROMs");
3743 exit(1);
3744 }
3745 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3746 optarg, true);
3747 if (!opts) {
3748 exit(1);
3749 }
3750 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3751 option_rom[nb_option_roms].bootindex =
3752 qemu_opt_get_number(opts, "bootindex", -1);
3753 if (!option_rom[nb_option_roms].name) {
3754 error_report("Option ROM file is not specified");
3755 exit(1);
3756 }
3757 nb_option_roms++;
3758 break;
3759 case QEMU_OPTION_semihosting:
3760 semihosting.enabled = true;
3761 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3762 break;
3763 case QEMU_OPTION_semihosting_config:
3764 semihosting.enabled = true;
3765 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3766 optarg, false);
3767 if (opts != NULL) {
3768 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3769 true);
3770 const char *target = qemu_opt_get(opts, "target");
3771 if (target != NULL) {
3772 if (strcmp("native", target) == 0) {
3773 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3774 } else if (strcmp("gdb", target) == 0) {
3775 semihosting.target = SEMIHOSTING_TARGET_GDB;
3776 } else if (strcmp("auto", target) == 0) {
3777 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3778 } else {
3779 error_report("unsupported semihosting-config %s",
3780 optarg);
3781 exit(1);
3782 }
3783 } else {
3784 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3785 }
3786 /* Set semihosting argument count and vector */
3787 qemu_opt_foreach(opts, add_semihosting_arg,
3788 &semihosting, NULL);
3789 } else {
3790 error_report("unsupported semihosting-config %s", optarg);
3791 exit(1);
3792 }
3793 break;
3794 case QEMU_OPTION_tdf:
3795 error_report("warning: ignoring deprecated option");
3796 break;
3797 case QEMU_OPTION_name:
3798 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3799 optarg, true);
3800 if (!opts) {
3801 exit(1);
3802 }
3803 break;
3804 case QEMU_OPTION_prom_env:
3805 if (nb_prom_envs >= MAX_PROM_ENVS) {
3806 error_report("too many prom variables");
3807 exit(1);
3808 }
3809 prom_envs[nb_prom_envs] = optarg;
3810 nb_prom_envs++;
3811 break;
3812 case QEMU_OPTION_old_param:
3813 old_param = 1;
3814 break;
3815 case QEMU_OPTION_clock:
3816 /* Clock options no longer exist. Keep this option for
3817 * backward compatibility.
3818 */
3819 break;
3820 case QEMU_OPTION_startdate:
3821 configure_rtc_date_offset(optarg, 1);
3822 break;
3823 case QEMU_OPTION_rtc:
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3825 false);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 configure_rtc(opts);
3830 break;
3831 case QEMU_OPTION_tb_size:
3832 tcg_tb_size = strtol(optarg, NULL, 0);
3833 if (tcg_tb_size < 0) {
3834 tcg_tb_size = 0;
3835 }
3836 break;
3837 case QEMU_OPTION_icount:
3838 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3839 optarg, true);
3840 if (!icount_opts) {
3841 exit(1);
3842 }
3843 break;
3844 case QEMU_OPTION_incoming:
3845 if (!incoming) {
3846 runstate_set(RUN_STATE_INMIGRATE);
3847 }
3848 incoming = optarg;
3849 break;
3850 case QEMU_OPTION_nodefaults:
3851 has_defaults = 0;
3852 break;
3853 case QEMU_OPTION_xen_domid:
3854 if (!(xen_available())) {
3855 printf("Option %s not supported for this target\n", popt->name);
3856 exit(1);
3857 }
3858 xen_domid = atoi(optarg);
3859 break;
3860 case QEMU_OPTION_xen_create:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt->name);
3863 exit(1);
3864 }
3865 xen_mode = XEN_CREATE;
3866 break;
3867 case QEMU_OPTION_xen_attach:
3868 if (!(xen_available())) {
3869 printf("Option %s not supported for this target\n", popt->name);
3870 exit(1);
3871 }
3872 xen_mode = XEN_ATTACH;
3873 break;
3874 case QEMU_OPTION_trace:
3875 {
3876 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3877 optarg, true);
3878 if (!opts) {
3879 exit(1);
3880 }
3881 if (qemu_opt_get(opts, "enable")) {
3882 trace_enable_events(qemu_opt_get(opts, "enable"));
3883 }
3884 trace_init_events(qemu_opt_get(opts, "events"));
3885 if (trace_file) {
3886 g_free(trace_file);
3887 }
3888 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3889 qemu_opts_del(opts);
3890 break;
3891 }
3892 case QEMU_OPTION_readconfig:
3893 {
3894 int ret = qemu_read_config_file(optarg);
3895 if (ret < 0) {
3896 error_report("read config %s: %s", optarg,
3897 strerror(-ret));
3898 exit(1);
3899 }
3900 break;
3901 }
3902 case QEMU_OPTION_spice:
3903 olist = qemu_find_opts("spice");
3904 if (!olist) {
3905 error_report("spice support is disabled");
3906 exit(1);
3907 }
3908 opts = qemu_opts_parse_noisily(olist, optarg, false);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 display_remote++;
3913 break;
3914 case QEMU_OPTION_writeconfig:
3915 {
3916 FILE *fp;
3917 if (strcmp(optarg, "-") == 0) {
3918 fp = stdout;
3919 } else {
3920 fp = fopen(optarg, "w");
3921 if (fp == NULL) {
3922 error_report("open %s: %s", optarg,
3923 strerror(errno));
3924 exit(1);
3925 }
3926 }
3927 qemu_config_write(fp);
3928 if (fp != stdout) {
3929 fclose(fp);
3930 }
3931 break;
3932 }
3933 case QEMU_OPTION_qtest:
3934 qtest_chrdev = optarg;
3935 break;
3936 case QEMU_OPTION_qtest_log:
3937 qtest_log = optarg;
3938 break;
3939 case QEMU_OPTION_sandbox:
3940 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3941 optarg, true);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 break;
3946 case QEMU_OPTION_add_fd:
3947 #ifndef _WIN32
3948 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3949 optarg, false);
3950 if (!opts) {
3951 exit(1);
3952 }
3953 #else
3954 error_report("File descriptor passing is disabled on this "
3955 "platform");
3956 exit(1);
3957 #endif
3958 break;
3959 case QEMU_OPTION_object:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3961 optarg, true);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 break;
3966 case QEMU_OPTION_realtime:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3968 optarg, false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3973 break;
3974 case QEMU_OPTION_msg:
3975 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3976 false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 configure_msg(opts);
3981 break;
3982 case QEMU_OPTION_dump_vmstate:
3983 if (vmstate_dump_file) {
3984 error_report("only one '-dump-vmstate' "
3985 "option may be given");
3986 exit(1);
3987 }
3988 vmstate_dump_file = fopen(optarg, "w");
3989 if (vmstate_dump_file == NULL) {
3990 error_report("open %s: %s", optarg, strerror(errno));
3991 exit(1);
3992 }
3993 break;
3994 default:
3995 os_parse_cmd_args(popt->index, optarg);
3996 }
3997 }
3998 }
3999 /*
4000 * Clear error location left behind by the loop.
4001 * Best done right after the loop. Do not insert code here!
4002 */
4003 loc_set_none();
4004
4005 replay_configure(icount_opts);
4006
4007 machine_class = select_machine();
4008
4009 set_memory_options(&ram_slots, &maxram_size, machine_class);
4010
4011 os_daemonize();
4012
4013 if (qemu_init_main_loop(&main_loop_err)) {
4014 error_report_err(main_loop_err);
4015 exit(1);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4019 parse_sandbox, NULL, NULL)) {
4020 exit(1);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("name"),
4024 parse_name, NULL, NULL)) {
4025 exit(1);
4026 }
4027
4028 #ifndef _WIN32
4029 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4030 parse_add_fd, NULL, NULL)) {
4031 exit(1);
4032 }
4033
4034 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4035 cleanup_add_fd, NULL, NULL)) {
4036 exit(1);
4037 }
4038 #endif
4039
4040 current_machine = MACHINE(object_new(object_class_get_name(
4041 OBJECT_CLASS(machine_class))));
4042 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4043 exit(0);
4044 }
4045 object_property_add_child(object_get_root(), "machine",
4046 OBJECT(current_machine), &error_abort);
4047 cpu_exec_init_all();
4048
4049 if (machine_class->hw_version) {
4050 qemu_set_hw_version(machine_class->hw_version);
4051 }
4052
4053 if (cpu_model && is_help_option(cpu_model)) {
4054 list_cpus(stdout, &fprintf, cpu_model);
4055 exit(0);
4056 }
4057
4058 if (!trace_init_backends()) {
4059 exit(1);
4060 }
4061 trace_init_file(trace_file);
4062
4063 /* Open the logfile at this point and set the log mask if necessary.
4064 */
4065 if (log_file) {
4066 qemu_set_log_filename(log_file);
4067 }
4068
4069 if (log_mask) {
4070 int mask;
4071 mask = qemu_str_to_log_mask(log_mask);
4072 if (!mask) {
4073 qemu_print_log_usage(stdout);
4074 exit(1);
4075 }
4076 qemu_set_log(mask);
4077 } else {
4078 qemu_set_log(0);
4079 }
4080
4081 /* If no data_dir is specified then try to find it relative to the
4082 executable path. */
4083 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4084 data_dir[data_dir_idx] = os_find_datadir();
4085 if (data_dir[data_dir_idx] != NULL) {
4086 data_dir_idx++;
4087 }
4088 }
4089 /* If all else fails use the install path specified when building. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4092 }
4093
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4095
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (max_cpus > machine_class->max_cpus) {
4098 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4099 "supported by machine '%s' (%d)", max_cpus,
4100 machine_class->name, machine_class->max_cpus);
4101 exit(1);
4102 }
4103
4104 /*
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4107 */
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4111 }
4112
4113 qemu_opts_foreach(qemu_find_opts("device"),
4114 default_driver_check, NULL, NULL);
4115 qemu_opts_foreach(qemu_find_opts("global"),
4116 default_driver_check, NULL, NULL);
4117
4118 if (!vga_model && !default_vga) {
4119 vga_interface_type = VGA_DEVICE;
4120 }
4121 if (!has_defaults || machine_class->no_serial) {
4122 default_serial = 0;
4123 }
4124 if (!has_defaults || machine_class->no_parallel) {
4125 default_parallel = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_virtcon) {
4128 default_virtcon = 0;
4129 }
4130 if (!has_defaults || !machine_class->use_sclp) {
4131 default_sclp = 0;
4132 }
4133 if (!has_defaults || machine_class->no_floppy) {
4134 default_floppy = 0;
4135 }
4136 if (!has_defaults || machine_class->no_cdrom) {
4137 default_cdrom = 0;
4138 }
4139 if (!has_defaults || machine_class->no_sdcard) {
4140 default_sdcard = 0;
4141 }
4142 if (!has_defaults) {
4143 default_monitor = 0;
4144 default_net = 0;
4145 default_vga = 0;
4146 }
4147
4148 if (is_daemonized()) {
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4157 */
4158 if (nographic
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 error_report("-nographic cannot be used with -daemonize");
4162 exit(1);
4163 }
4164 #ifdef CONFIG_CURSES
4165 if (display_type == DT_CURSES) {
4166 error_report("curses display cannot be used with -daemonize");
4167 exit(1);
4168 }
4169 #endif
4170 }
4171
4172 if (nographic) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else if (default_sclp && default_monitor) {
4180 add_device_config(DEV_SCLP, "mon:stdio");
4181 } else {
4182 if (default_serial)
4183 add_device_config(DEV_SERIAL, "stdio");
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "stdio");
4186 if (default_sclp) {
4187 add_device_config(DEV_SCLP, "stdio");
4188 }
4189 if (default_monitor)
4190 monitor_parse("stdio", "readline", false);
4191 }
4192 } else {
4193 if (default_serial)
4194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4195 if (default_parallel)
4196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4197 if (default_monitor)
4198 monitor_parse("vc:80Cx24C", "readline", false);
4199 if (default_virtcon)
4200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4201 if (default_sclp) {
4202 add_device_config(DEV_SCLP, "vc:80Cx24C");
4203 }
4204 }
4205
4206 #if defined(CONFIG_VNC)
4207 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4208 display_remote++;
4209 }
4210 #endif
4211 if (display_type == DT_DEFAULT && !display_remote) {
4212 #if defined(CONFIG_GTK)
4213 display_type = DT_GTK;
4214 #elif defined(CONFIG_SDL)
4215 display_type = DT_SDL;
4216 #elif defined(CONFIG_COCOA)
4217 display_type = DT_COCOA;
4218 #elif defined(CONFIG_VNC)
4219 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4220 show_vnc_port = 1;
4221 #else
4222 display_type = DT_NONE;
4223 #endif
4224 }
4225
4226 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4227 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4228 "for SDL, ignoring option");
4229 }
4230 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4231 error_report("-no-quit is only valid for GTK and SDL, "
4232 "ignoring option");
4233 }
4234
4235 if (display_type == DT_GTK) {
4236 early_gtk_display_init(request_opengl);
4237 }
4238
4239 if (display_type == DT_SDL) {
4240 sdl_display_early_init(request_opengl);
4241 }
4242
4243 if (request_opengl == 1 && display_opengl == 0) {
4244 #if defined(CONFIG_OPENGL)
4245 error_report("OpenGL is not supported by the display");
4246 #else
4247 error_report("OpenGL support is disabled");
4248 #endif
4249 exit(1);
4250 }
4251
4252 page_size_init();
4253 socket_init();
4254
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 user_creatable_add_opts_foreach,
4257 object_create_initial, NULL)) {
4258 exit(1);
4259 }
4260
4261 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4262 chardev_init_func, NULL, NULL)) {
4263 exit(1);
4264 }
4265
4266 #ifdef CONFIG_VIRTFS
4267 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4268 fsdev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271 #endif
4272
4273 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4274 error_report("could not acquire pid file: %s", strerror(errno));
4275 exit(1);
4276 }
4277
4278 if (qemu_opts_foreach(qemu_find_opts("device"),
4279 device_help_func, NULL, NULL)) {
4280 exit(0);
4281 }
4282
4283 machine_opts = qemu_get_machine_opts();
4284 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4285 NULL)) {
4286 object_unref(OBJECT(current_machine));
4287 exit(1);
4288 }
4289
4290 configure_accelerator(current_machine);
4291
4292 if (qtest_chrdev) {
4293 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4294 }
4295
4296 machine_opts = qemu_get_machine_opts();
4297 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4298 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4299 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4300 bios_name = qemu_opt_get(machine_opts, "firmware");
4301
4302 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4303 if (opts) {
4304 boot_order = qemu_opt_get(opts, "order");
4305 if (boot_order) {
4306 validate_bootdevices(boot_order, &error_fatal);
4307 }
4308
4309 boot_once = qemu_opt_get(opts, "once");
4310 if (boot_once) {
4311 validate_bootdevices(boot_once, &error_fatal);
4312 }
4313
4314 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4315 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4316 }
4317
4318 if (!boot_order) {
4319 boot_order = machine_class->default_boot_order;
4320 }
4321
4322 if (!kernel_cmdline) {
4323 kernel_cmdline = "";
4324 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4325 }
4326
4327 linux_boot = (kernel_filename != NULL);
4328
4329 if (!linux_boot && *kernel_cmdline != '\0') {
4330 error_report("-append only allowed with -kernel option");
4331 exit(1);
4332 }
4333
4334 if (!linux_boot && initrd_filename != NULL) {
4335 error_report("-initrd only allowed with -kernel option");
4336 exit(1);
4337 }
4338
4339 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4340 error_report("-dtb only allowed with -kernel option");
4341 exit(1);
4342 }
4343
4344 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4345 /* fall back to the -kernel/-append */
4346 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4347 }
4348
4349 os_set_line_buffering();
4350
4351 /* spice needs the timers to be initialized by this point */
4352 qemu_spice_init();
4353
4354 cpu_ticks_init();
4355 if (icount_opts) {
4356 if (kvm_enabled() || xen_enabled()) {
4357 error_report("-icount is not allowed with kvm or xen");
4358 exit(1);
4359 }
4360 configure_icount(icount_opts, &error_abort);
4361 qemu_opts_del(icount_opts);
4362 }
4363
4364 /* clean up network at qemu process termination */
4365 atexit(&net_cleanup);
4366
4367 if (default_net) {
4368 QemuOptsList *net = qemu_find_opts("net");
4369 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4370 #ifdef CONFIG_SLIRP
4371 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4372 #endif
4373 }
4374
4375 if (net_init_clients() < 0) {
4376 exit(1);
4377 }
4378
4379 if (qemu_opts_foreach(qemu_find_opts("object"),
4380 user_creatable_add_opts_foreach,
4381 object_create_delayed, NULL)) {
4382 exit(1);
4383 }
4384
4385 #ifdef CONFIG_TPM
4386 if (tpm_init() < 0) {
4387 exit(1);
4388 }
4389 #endif
4390
4391 /* init the bluetooth world */
4392 if (foreach_device_config(DEV_BT, bt_parse))
4393 exit(1);
4394
4395 if (!xen_enabled()) {
4396 /* On 32-bit hosts, QEMU is limited by virtual address space */
4397 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4398 error_report("at most 2047 MB RAM can be simulated");
4399 exit(1);
4400 }
4401 }
4402
4403 blk_mig_init();
4404 ram_mig_init();
4405
4406 /* If the currently selected machine wishes to override the units-per-bus
4407 * property of its default HBA interface type, do so now. */
4408 if (machine_class->units_per_default_bus) {
4409 override_max_devs(machine_class->block_default_type,
4410 machine_class->units_per_default_bus);
4411 }
4412
4413 /* open the virtual block devices */
4414 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4415 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4416 NULL, NULL);
4417 }
4418 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4419 &machine_class->block_default_type, NULL)) {
4420 exit(1);
4421 }
4422
4423 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4424 CDROM_OPTS);
4425 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4426 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4427
4428 parse_numa_opts(machine_class);
4429
4430 if (qemu_opts_foreach(qemu_find_opts("mon"),
4431 mon_init_func, NULL, NULL)) {
4432 exit(1);
4433 }
4434
4435 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4436 exit(1);
4437 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4438 exit(1);
4439 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4440 exit(1);
4441 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4442 exit(1);
4443 }
4444 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4445 exit(1);
4446
4447 /* If no default VGA is requested, the default is "none". */
4448 if (default_vga) {
4449 if (machine_class->default_display) {
4450 vga_model = machine_class->default_display;
4451 } else if (vga_interface_available(VGA_CIRRUS)) {
4452 vga_model = "cirrus";
4453 } else if (vga_interface_available(VGA_STD)) {
4454 vga_model = "std";
4455 }
4456 }
4457 if (vga_model) {
4458 select_vgahw(vga_model);
4459 }
4460
4461 if (watchdog) {
4462 i = select_watchdog(watchdog);
4463 if (i > 0)
4464 exit (i == 1 ? 1 : 0);
4465 }
4466
4467 if (machine_class->compat_props) {
4468 GlobalProperty *p;
4469 for (i = 0; i < machine_class->compat_props->len; i++) {
4470 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4471 qdev_prop_register_global(p);
4472 }
4473 }
4474 qemu_add_globals();
4475
4476 /* This checkpoint is required by replay to separate prior clock
4477 reading from the other reads, because timer polling functions query
4478 clock values from the log. */
4479 replay_checkpoint(CHECKPOINT_INIT);
4480 qdev_machine_init();
4481
4482 current_machine->ram_size = ram_size;
4483 current_machine->maxram_size = maxram_size;
4484 current_machine->ram_slots = ram_slots;
4485 current_machine->boot_order = boot_order;
4486 current_machine->cpu_model = cpu_model;
4487
4488 machine_class->init(current_machine);
4489
4490 realtime_init();
4491
4492 audio_init();
4493
4494 cpu_synchronize_all_post_init();
4495
4496 numa_post_machine_init();
4497
4498 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4499 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4500 exit(1);
4501 }
4502
4503 /* init USB devices */
4504 if (usb_enabled()) {
4505 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4506 exit(1);
4507 }
4508
4509 /* Check if IGD GFX passthrough. */
4510 igd_gfx_passthru();
4511
4512 /* init generic devices */
4513 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4514 if (qemu_opts_foreach(qemu_find_opts("device"),
4515 device_init_func, NULL, NULL)) {
4516 exit(1);
4517 }
4518 rom_reset_order_override();
4519
4520 /* Did we create any drives that we failed to create a device for? */
4521 drive_check_orphaned();
4522
4523 /* Don't warn about the default network setup that you get if
4524 * no command line -net or -netdev options are specified. There
4525 * are two cases that we would otherwise complain about:
4526 * (1) board doesn't support a NIC but the implicit "-net nic"
4527 * requested one
4528 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4529 * sets up a nic that isn't connected to anything.
4530 */
4531 if (!default_net) {
4532 net_check_clients();
4533 }
4534
4535
4536 if (boot_once) {
4537 qemu_boot_set(boot_once, &error_fatal);
4538 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4539 }
4540
4541 ds = init_displaystate();
4542
4543 /* init local displays */
4544 switch (display_type) {
4545 case DT_CURSES:
4546 curses_display_init(ds, full_screen);
4547 break;
4548 case DT_SDL:
4549 sdl_display_init(ds, full_screen, no_frame);
4550 break;
4551 case DT_COCOA:
4552 cocoa_display_init(ds, full_screen);
4553 break;
4554 case DT_GTK:
4555 gtk_display_init(ds, full_screen, grab_on_hover);
4556 break;
4557 default:
4558 break;
4559 }
4560
4561 /* must be after terminal init, SDL library changes signal handlers */
4562 os_setup_signal_handling();
4563
4564 /* init remote displays */
4565 qemu_opts_foreach(qemu_find_opts("vnc"),
4566 vnc_init_func, NULL, NULL);
4567 if (show_vnc_port) {
4568 char *ret = vnc_display_local_addr("default");
4569 printf("VNC server running on '%s'\n", ret);
4570 g_free(ret);
4571 }
4572
4573 if (using_spice) {
4574 qemu_spice_display_init();
4575 }
4576
4577 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4578 exit(1);
4579 }
4580
4581 qdev_machine_creation_done();
4582
4583 /* TODO: once all bus devices are qdevified, this should be done
4584 * when bus is created by qdev.c */
4585 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4586 qemu_run_machine_init_done_notifiers();
4587
4588 if (rom_check_and_register_reset() != 0) {
4589 error_report("rom check and register reset failed");
4590 exit(1);
4591 }
4592
4593 replay_start();
4594
4595 /* This checkpoint is required by replay to separate prior clock
4596 reading from the other reads, because timer polling functions query
4597 clock values from the log. */
4598 replay_checkpoint(CHECKPOINT_RESET);
4599 qemu_system_reset(VMRESET_SILENT);
4600 register_global_state();
4601 if (loadvm) {
4602 if (load_vmstate(loadvm) < 0) {
4603 autostart = 0;
4604 }
4605 }
4606
4607 qdev_prop_check_globals();
4608 if (vmstate_dump_file) {
4609 /* dump and exit */
4610 dump_vmstate_json_to_file(vmstate_dump_file);
4611 return 0;
4612 }
4613
4614 if (incoming) {
4615 Error *local_err = NULL;
4616 qemu_start_incoming_migration(incoming, &local_err);
4617 if (local_err) {
4618 error_reportf_err(local_err, "-incoming %s: ", incoming);
4619 exit(1);
4620 }
4621 } else if (autostart) {
4622 vm_start();
4623 }
4624
4625 os_setup_post();
4626
4627 main_loop();
4628 replay_disable_events();
4629
4630 bdrv_close_all();
4631 pause_all_vcpus();
4632 res_free();
4633 #ifdef CONFIG_TPM
4634 tpm_cleanup();
4635 #endif
4636
4637 return 0;
4638 }
Random patches