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vl: smp_parse: fix regression
[qemu/ar7.git] / vl.c
blob0367647204d6804b398d959df9d83d98bc1b1290
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28
29 #ifdef CONFIG_SECCOMP
30 #include "sysemu/seccomp.h"
31 #endif
32
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 1;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210 static int default_net = 1;
211
212 static struct {
213 const char *driver;
214 int *flag;
215 } default_list[] = {
216 { .driver = "isa-serial", .flag = &default_serial },
217 { .driver = "isa-parallel", .flag = &default_parallel },
218 { .driver = "isa-fdc", .flag = &default_floppy },
219 { .driver = "ide-cd", .flag = &default_cdrom },
220 { .driver = "ide-hd", .flag = &default_cdrom },
221 { .driver = "ide-drive", .flag = &default_cdrom },
222 { .driver = "scsi-cd", .flag = &default_cdrom },
223 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
224 { .driver = "virtio-serial", .flag = &default_virtcon },
225 { .driver = "VGA", .flag = &default_vga },
226 { .driver = "isa-vga", .flag = &default_vga },
227 { .driver = "cirrus-vga", .flag = &default_vga },
228 { .driver = "isa-cirrus-vga", .flag = &default_vga },
229 { .driver = "vmware-svga", .flag = &default_vga },
230 { .driver = "qxl-vga", .flag = &default_vga },
231 { .driver = "virtio-vga", .flag = &default_vga },
232 };
233
234 static QemuOptsList qemu_rtc_opts = {
235 .name = "rtc",
236 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
237 .desc = {
238 {
239 .name = "base",
240 .type = QEMU_OPT_STRING,
241 },{
242 .name = "clock",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "driftfix",
246 .type = QEMU_OPT_STRING,
247 },
248 { /* end of list */ }
249 },
250 };
251
252 static QemuOptsList qemu_sandbox_opts = {
253 .name = "sandbox",
254 .implied_opt_name = "enable",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
256 .desc = {
257 {
258 .name = "enable",
259 .type = QEMU_OPT_BOOL,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_trace_opts = {
266 .name = "trace",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_STRING,
273 },
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "rr",
478 .type = QEMU_OPT_STRING,
479 }, {
480 .name = "rrfile",
481 .type = QEMU_OPT_STRING,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_semihosting_config_opts = {
488 .name = "semihosting-config",
489 .implied_opt_name = "enable",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
491 .desc = {
492 {
493 .name = "enable",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "target",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "arg",
500 .type = QEMU_OPT_STRING,
501 },
502 { /* end of list */ }
503 },
504 };
505
506 static QemuOptsList qemu_fw_cfg_opts = {
507 .name = "fw_cfg",
508 .implied_opt_name = "name",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
510 .desc = {
511 {
512 .name = "name",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the fw_cfg name of the blob to be inserted",
515 }, {
516 .name = "file",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets the name of the file from which\n"
519 "the fw_cfg blob will be loaded",
520 }, {
521 .name = "string",
522 .type = QEMU_OPT_STRING,
523 .help = "Sets content of the blob to be inserted from a string",
524 },
525 { /* end of list */ }
526 },
527 };
528
529 /**
530 * Get machine options
531 *
532 * Returns: machine options (never null).
533 */
534 QemuOpts *qemu_get_machine_opts(void)
535 {
536 return qemu_find_opts_singleton("machine");
537 }
538
539 const char *qemu_get_vm_name(void)
540 {
541 return qemu_name;
542 }
543
544 static void res_free(void)
545 {
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
548 }
549
550 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 /* We use RUN_STATE__MAX but any invalid value will do */
571 static RunState vmstop_requested = RUN_STATE__MAX;
572 static QemuMutex vmstop_lock;
573
574 typedef struct {
575 RunState from;
576 RunState to;
577 } RunStateTransition;
578
579 static const RunStateTransition runstate_transitions_def[] = {
580 /* from -> to */
581 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
582 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
584
585 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
592 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
595 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
602 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
612
613 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
622 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
625 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
628 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
632 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
633 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
634
635 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
636
637 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
642 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
643 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
644 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
648 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE__MAX, RUN_STATE__MAX },
656 };
657
658 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
659
660 bool runstate_check(RunState state)
661 {
662 return current_run_state == state;
663 }
664
665 bool runstate_store(char *str, size_t size)
666 {
667 const char *state = RunState_lookup[current_run_state];
668 size_t len = strlen(state) + 1;
669
670 if (len > size) {
671 return false;
672 }
673 memcpy(str, state, len);
674 return true;
675 }
676
677 static void runstate_init(void)
678 {
679 const RunStateTransition *p;
680
681 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
682 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
683 runstate_valid_transitions[p->from][p->to] = true;
684 }
685
686 qemu_mutex_init(&vmstop_lock);
687 }
688
689 /* This function will abort() on invalid state transitions */
690 void runstate_set(RunState new_state)
691 {
692 assert(new_state < RUN_STATE__MAX);
693
694 if (current_run_state == new_state) {
695 return;
696 }
697
698 if (!runstate_valid_transitions[current_run_state][new_state]) {
699 error_report("invalid runstate transition: '%s' -> '%s'",
700 RunState_lookup[current_run_state],
701 RunState_lookup[new_state]);
702 abort();
703 }
704 trace_runstate_set(new_state);
705 current_run_state = new_state;
706 }
707
708 int runstate_is_running(void)
709 {
710 return runstate_check(RUN_STATE_RUNNING);
711 }
712
713 bool runstate_needs_reset(void)
714 {
715 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
716 runstate_check(RUN_STATE_SHUTDOWN);
717 }
718
719 StatusInfo *qmp_query_status(Error **errp)
720 {
721 StatusInfo *info = g_malloc0(sizeof(*info));
722
723 info->running = runstate_is_running();
724 info->singlestep = singlestep;
725 info->status = current_run_state;
726
727 return info;
728 }
729
730 static bool qemu_vmstop_requested(RunState *r)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 *r = vmstop_requested;
734 vmstop_requested = RUN_STATE__MAX;
735 qemu_mutex_unlock(&vmstop_lock);
736 return *r < RUN_STATE__MAX;
737 }
738
739 void qemu_system_vmstop_request_prepare(void)
740 {
741 qemu_mutex_lock(&vmstop_lock);
742 }
743
744 void qemu_system_vmstop_request(RunState state)
745 {
746 vmstop_requested = state;
747 qemu_mutex_unlock(&vmstop_lock);
748 qemu_notify_event();
749 }
750
751 void vm_start(void)
752 {
753 RunState requested;
754
755 qemu_vmstop_requested(&requested);
756 if (runstate_is_running() && requested == RUN_STATE__MAX) {
757 return;
758 }
759
760 /* Ensure that a STOP/RESUME pair of events is emitted if a
761 * vmstop request was pending. The BLOCK_IO_ERROR event, for
762 * example, according to documentation is always followed by
763 * the STOP event.
764 */
765 if (runstate_is_running()) {
766 qapi_event_send_stop(&error_abort);
767 } else {
768 cpu_enable_ticks();
769 runstate_set(RUN_STATE_RUNNING);
770 vm_state_notify(1, RUN_STATE_RUNNING);
771 resume_all_vcpus();
772 }
773
774 qapi_event_send_resume(&error_abort);
775 }
776
777
778 /***********************************************************/
779 /* real time host monotonic timer */
780
781 static time_t qemu_time(void)
782 {
783 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
784 }
785
786 /***********************************************************/
787 /* host time/date access */
788 void qemu_get_timedate(struct tm *tm, int offset)
789 {
790 time_t ti = qemu_time();
791
792 ti += offset;
793 if (rtc_date_offset == -1) {
794 if (rtc_utc)
795 gmtime_r(&ti, tm);
796 else
797 localtime_r(&ti, tm);
798 } else {
799 ti -= rtc_date_offset;
800 gmtime_r(&ti, tm);
801 }
802 }
803
804 int qemu_timedate_diff(struct tm *tm)
805 {
806 time_t seconds;
807
808 if (rtc_date_offset == -1)
809 if (rtc_utc)
810 seconds = mktimegm(tm);
811 else {
812 struct tm tmp = *tm;
813 tmp.tm_isdst = -1; /* use timezone to figure it out */
814 seconds = mktime(&tmp);
815 }
816 else
817 seconds = mktimegm(tm) + rtc_date_offset;
818
819 return seconds - qemu_time();
820 }
821
822 static void configure_rtc_date_offset(const char *startdate, int legacy)
823 {
824 time_t rtc_start_date;
825 struct tm tm;
826
827 if (!strcmp(startdate, "now") && legacy) {
828 rtc_date_offset = -1;
829 } else {
830 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
831 &tm.tm_year,
832 &tm.tm_mon,
833 &tm.tm_mday,
834 &tm.tm_hour,
835 &tm.tm_min,
836 &tm.tm_sec) == 6) {
837 /* OK */
838 } else if (sscanf(startdate, "%d-%d-%d",
839 &tm.tm_year,
840 &tm.tm_mon,
841 &tm.tm_mday) == 3) {
842 tm.tm_hour = 0;
843 tm.tm_min = 0;
844 tm.tm_sec = 0;
845 } else {
846 goto date_fail;
847 }
848 tm.tm_year -= 1900;
849 tm.tm_mon--;
850 rtc_start_date = mktimegm(&tm);
851 if (rtc_start_date == -1) {
852 date_fail:
853 error_report("invalid date format");
854 error_printf("valid formats: "
855 "'2006-06-17T16:01:21' or '2006-06-17'\n");
856 exit(1);
857 }
858 rtc_date_offset = qemu_time() - rtc_start_date;
859 }
860 }
861
862 static void configure_rtc(QemuOpts *opts)
863 {
864 const char *value;
865
866 value = qemu_opt_get(opts, "base");
867 if (value) {
868 if (!strcmp(value, "utc")) {
869 rtc_utc = 1;
870 } else if (!strcmp(value, "localtime")) {
871 Error *blocker = NULL;
872 rtc_utc = 0;
873 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
874 "-rtc base=localtime");
875 replay_add_blocker(blocker);
876 } else {
877 configure_rtc_date_offset(value, 0);
878 }
879 }
880 value = qemu_opt_get(opts, "clock");
881 if (value) {
882 if (!strcmp(value, "host")) {
883 rtc_clock = QEMU_CLOCK_HOST;
884 } else if (!strcmp(value, "rt")) {
885 rtc_clock = QEMU_CLOCK_REALTIME;
886 } else if (!strcmp(value, "vm")) {
887 rtc_clock = QEMU_CLOCK_VIRTUAL;
888 } else {
889 error_report("invalid option value '%s'", value);
890 exit(1);
891 }
892 }
893 value = qemu_opt_get(opts, "driftfix");
894 if (value) {
895 if (!strcmp(value, "slew")) {
896 static GlobalProperty slew_lost_ticks = {
897 .driver = "mc146818rtc",
898 .property = "lost_tick_policy",
899 .value = "slew",
900 };
901
902 qdev_prop_register_global(&slew_lost_ticks);
903 } else if (!strcmp(value, "none")) {
904 /* discard is default */
905 } else {
906 error_report("invalid option value '%s'", value);
907 exit(1);
908 }
909 }
910 }
911
912 /***********************************************************/
913 /* Bluetooth support */
914 static int nb_hcis;
915 static int cur_hci;
916 static struct HCIInfo *hci_table[MAX_NICS];
917
918 struct HCIInfo *qemu_next_hci(void)
919 {
920 if (cur_hci == nb_hcis)
921 return &null_hci;
922
923 return hci_table[cur_hci++];
924 }
925
926 static int bt_hci_parse(const char *str)
927 {
928 struct HCIInfo *hci;
929 bdaddr_t bdaddr;
930
931 if (nb_hcis >= MAX_NICS) {
932 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
933 return -1;
934 }
935
936 hci = hci_init(str);
937 if (!hci)
938 return -1;
939
940 bdaddr.b[0] = 0x52;
941 bdaddr.b[1] = 0x54;
942 bdaddr.b[2] = 0x00;
943 bdaddr.b[3] = 0x12;
944 bdaddr.b[4] = 0x34;
945 bdaddr.b[5] = 0x56 + nb_hcis;
946 hci->bdaddr_set(hci, bdaddr.b);
947
948 hci_table[nb_hcis++] = hci;
949
950 return 0;
951 }
952
953 static void bt_vhci_add(int vlan_id)
954 {
955 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 error_report("warning: adding a VHCI to an empty scatternet %i",
959 vlan_id);
960
961 bt_vhci_init(bt_new_hci(vlan));
962 }
963
964 static struct bt_device_s *bt_device_add(const char *opt)
965 {
966 struct bt_scatternet_s *vlan;
967 int vlan_id = 0;
968 char *endp = strstr(opt, ",vlan=");
969 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 char devname[10];
971
972 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973
974 if (endp) {
975 vlan_id = strtol(endp + 6, &endp, 0);
976 if (*endp) {
977 error_report("unrecognised bluetooth vlan Id");
978 return 0;
979 }
980 }
981
982 vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 error_report("warning: adding a slave device to an empty scatternet %i",
986 vlan_id);
987
988 if (!strcmp(devname, "keyboard"))
989 return bt_keyboard_init(vlan);
990
991 error_report("unsupported bluetooth device '%s'", devname);
992 return 0;
993 }
994
995 static int bt_parse(const char *opt)
996 {
997 const char *endp, *p;
998 int vlan;
999
1000 if (strstart(opt, "hci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp)
1003 if (!strstart(endp, ",vlan=", 0))
1004 opt = endp + 1;
1005
1006 return bt_hci_parse(opt);
1007 }
1008 } else if (strstart(opt, "vhci", &endp)) {
1009 if (!*endp || *endp == ',') {
1010 if (*endp) {
1011 if (strstart(endp, ",vlan=", &p)) {
1012 vlan = strtol(p, (char **) &endp, 0);
1013 if (*endp) {
1014 error_report("bad scatternet '%s'", p);
1015 return 1;
1016 }
1017 } else {
1018 error_report("bad parameter '%s'", endp + 1);
1019 return 1;
1020 }
1021 } else
1022 vlan = 0;
1023
1024 bt_vhci_add(vlan);
1025 return 0;
1026 }
1027 } else if (strstart(opt, "device:", &endp))
1028 return !bt_device_add(endp);
1029
1030 error_report("bad bluetooth parameter '%s'", opt);
1031 return 1;
1032 }
1033
1034 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 {
1036 /* FIXME: change this to true for 1.3 */
1037 if (qemu_opt_get_bool(opts, "enable", false)) {
1038 #ifdef CONFIG_SECCOMP
1039 if (seccomp_start() < 0) {
1040 error_report("failed to install seccomp syscall filter "
1041 "in the kernel");
1042 return -1;
1043 }
1044 #else
1045 error_report("seccomp support is disabled");
1046 return -1;
1047 #endif
1048 }
1049
1050 return 0;
1051 }
1052
1053 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 const char *proc_name;
1056
1057 if (qemu_opt_get(opts, "debug-threads")) {
1058 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 }
1060 qemu_name = qemu_opt_get(opts, "guest");
1061
1062 proc_name = qemu_opt_get(opts, "process");
1063 if (proc_name) {
1064 os_set_proc_name(proc_name);
1065 }
1066
1067 return 0;
1068 }
1069
1070 bool defaults_enabled(void)
1071 {
1072 return has_defaults;
1073 }
1074
1075 #ifndef _WIN32
1076 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1077 {
1078 int fd, dupfd, flags;
1079 int64_t fdset_id;
1080 const char *fd_opaque = NULL;
1081 AddfdInfo *fdinfo;
1082
1083 fd = qemu_opt_get_number(opts, "fd", -1);
1084 fdset_id = qemu_opt_get_number(opts, "set", -1);
1085 fd_opaque = qemu_opt_get(opts, "opaque");
1086
1087 if (fd < 0) {
1088 error_report("fd option is required and must be non-negative");
1089 return -1;
1090 }
1091
1092 if (fd <= STDERR_FILENO) {
1093 error_report("fd cannot be a standard I/O stream");
1094 return -1;
1095 }
1096
1097 /*
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1100 */
1101 flags = fcntl(fd, F_GETFD);
1102 if (flags == -1 || (flags & FD_CLOEXEC)) {
1103 error_report("fd is not valid or already in use");
1104 return -1;
1105 }
1106
1107 if (fdset_id < 0) {
1108 error_report("set option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1114 #else
1115 dupfd = dup(fd);
1116 if (dupfd != -1) {
1117 qemu_set_cloexec(dupfd);
1118 }
1119 #endif
1120 if (dupfd == -1) {
1121 error_report("error duplicating fd: %s", strerror(errno));
1122 return -1;
1123 }
1124
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1127 &error_abort);
1128 g_free(fdinfo);
1129
1130 return 0;
1131 }
1132
1133 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 int fd;
1136
1137 fd = qemu_opt_get_number(opts, "fd", -1);
1138 close(fd);
1139
1140 return 0;
1141 }
1142 #endif
1143
1144 /***********************************************************/
1145 /* QEMU Block devices */
1146
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1149 #define FD_OPTS ""
1150 #define PFLASH_OPTS ""
1151 #define MTD_OPTS ""
1152 #define SD_OPTS ""
1153
1154 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 BlockInterfaceType *block_default_type = opaque;
1157
1158 return drive_new(opts, *block_default_type) == NULL;
1159 }
1160
1161 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 if (qemu_opt_get(opts, "snapshot") == NULL) {
1164 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1165 }
1166 return 0;
1167 }
1168
1169 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1170 int index, const char *optstr)
1171 {
1172 QemuOpts *opts;
1173 DriveInfo *dinfo;
1174
1175 if (!enable || drive_get_by_index(type, index)) {
1176 return;
1177 }
1178
1179 opts = drive_add(type, index, NULL, optstr);
1180 if (snapshot) {
1181 drive_enable_snapshot(NULL, opts, NULL);
1182 }
1183
1184 dinfo = drive_new(opts, type);
1185 if (!dinfo) {
1186 exit(1);
1187 }
1188 dinfo->is_default = true;
1189
1190 }
1191
1192 static QemuOptsList qemu_smp_opts = {
1193 .name = "smp-opts",
1194 .implied_opt_name = "cpus",
1195 .merge_lists = true,
1196 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1197 .desc = {
1198 {
1199 .name = "cpus",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "sockets",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "cores",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "threads",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "maxcpus",
1212 .type = QEMU_OPT_NUMBER,
1213 },
1214 { /*End of list */ }
1215 },
1216 };
1217
1218 static void smp_parse(QemuOpts *opts)
1219 {
1220 if (opts) {
1221 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1222 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1223 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1224 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1225
1226 /* compute missing values, prefer sockets over cores over threads */
1227 if (cpus == 0 || sockets == 0) {
1228 sockets = sockets > 0 ? sockets : 1;
1229 cores = cores > 0 ? cores : 1;
1230 threads = threads > 0 ? threads : 1;
1231 if (cpus == 0) {
1232 cpus = cores * threads * sockets;
1233 }
1234 } else if (cores == 0) {
1235 threads = threads > 0 ? threads : 1;
1236 cores = cpus / (sockets * threads);
1237 cores = cores > 0 ? cores : 1;
1238 } else if (threads == 0) {
1239 threads = cpus / (cores * sockets);
1240 threads = threads > 0 ? threads : 1;
1241 } else if (sockets * cores * threads < cpus) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) < "
1244 "smp_cpus (%u)",
1245 sockets, cores, threads, cpus);
1246 exit(1);
1247 }
1248
1249 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1250
1251 if (max_cpus > MAX_CPUMASK_BITS) {
1252 error_report("unsupported number of maxcpus");
1253 exit(1);
1254 }
1255
1256 if (max_cpus < cpus) {
1257 error_report("maxcpus must be equal to or greater than smp");
1258 exit(1);
1259 }
1260
1261 if (sockets * cores * threads > max_cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) > "
1264 "maxcpus (%u)",
1265 sockets, cores, threads, max_cpus);
1266 exit(1);
1267 }
1268
1269 smp_cpus = cpus;
1270 smp_cores = cores;
1271 smp_threads = threads;
1272 }
1273
1274 if (smp_cpus > 1) {
1275 Error *blocker = NULL;
1276 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1277 replay_add_blocker(blocker);
1278 }
1279 }
1280
1281 static void realtime_init(void)
1282 {
1283 if (enable_mlock) {
1284 if (os_mlock() < 0) {
1285 error_report("locking memory failed");
1286 exit(1);
1287 }
1288 }
1289 }
1290
1291
1292 static void configure_msg(QemuOpts *opts)
1293 {
1294 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1295 }
1296
1297 /***********************************************************/
1298 /* Semihosting */
1299
1300 typedef struct SemihostingConfig {
1301 bool enabled;
1302 SemihostingTarget target;
1303 const char **argv;
1304 int argc;
1305 const char *cmdline; /* concatenated argv */
1306 } SemihostingConfig;
1307
1308 static SemihostingConfig semihosting;
1309
1310 bool semihosting_enabled(void)
1311 {
1312 return semihosting.enabled;
1313 }
1314
1315 SemihostingTarget semihosting_get_target(void)
1316 {
1317 return semihosting.target;
1318 }
1319
1320 const char *semihosting_get_arg(int i)
1321 {
1322 if (i >= semihosting.argc) {
1323 return NULL;
1324 }
1325 return semihosting.argv[i];
1326 }
1327
1328 int semihosting_get_argc(void)
1329 {
1330 return semihosting.argc;
1331 }
1332
1333 const char *semihosting_get_cmdline(void)
1334 {
1335 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1336 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1337 }
1338 return semihosting.cmdline;
1339 }
1340
1341 static int add_semihosting_arg(void *opaque,
1342 const char *name, const char *val,
1343 Error **errp)
1344 {
1345 SemihostingConfig *s = opaque;
1346 if (strcmp(name, "arg") == 0) {
1347 s->argc++;
1348 /* one extra element as g_strjoinv() expects NULL-terminated array */
1349 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1350 s->argv[s->argc - 1] = val;
1351 s->argv[s->argc] = NULL;
1352 }
1353 return 0;
1354 }
1355
1356 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1357 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1358 {
1359 char *cmd_token;
1360
1361 /* argv[0] */
1362 add_semihosting_arg(&semihosting, "arg", file, NULL);
1363
1364 /* split -append and initialize argv[1..n] */
1365 cmd_token = strtok(g_strdup(cmd), " ");
1366 while (cmd_token) {
1367 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1368 cmd_token = strtok(NULL, " ");
1369 }
1370 }
1371
1372 /* Now we still need this for compatibility with XEN. */
1373 bool has_igd_gfx_passthru;
1374 static void igd_gfx_passthru(void)
1375 {
1376 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1377 }
1378
1379 /***********************************************************/
1380 /* USB devices */
1381
1382 static int usb_device_add(const char *devname)
1383 {
1384 USBDevice *dev = NULL;
1385 #ifndef CONFIG_LINUX
1386 const char *p;
1387 #endif
1388
1389 if (!machine_usb(current_machine)) {
1390 return -1;
1391 }
1392
1393 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1394 dev = usbdevice_create(devname);
1395 if (dev)
1396 goto done;
1397
1398 /* the other ones */
1399 #ifndef CONFIG_LINUX
1400 /* only the linux version is qdev-ified, usb-bsd still needs this */
1401 if (strstart(devname, "host:", &p)) {
1402 dev = usb_host_device_open(usb_bus_find(-1), p);
1403 }
1404 #endif
1405 if (!dev)
1406 return -1;
1407
1408 done:
1409 return 0;
1410 }
1411
1412 static int usb_device_del(const char *devname)
1413 {
1414 int bus_num, addr;
1415 const char *p;
1416
1417 if (strstart(devname, "host:", &p)) {
1418 return -1;
1419 }
1420
1421 if (!machine_usb(current_machine)) {
1422 return -1;
1423 }
1424
1425 p = strchr(devname, '.');
1426 if (!p)
1427 return -1;
1428 bus_num = strtoul(devname, NULL, 0);
1429 addr = strtoul(p + 1, NULL, 0);
1430
1431 return usb_device_delete_addr(bus_num, addr);
1432 }
1433
1434 static int usb_parse(const char *cmdline)
1435 {
1436 int r;
1437 r = usb_device_add(cmdline);
1438 if (r < 0) {
1439 error_report("could not add USB device '%s'", cmdline);
1440 }
1441 return r;
1442 }
1443
1444 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1445 {
1446 const char *devname = qdict_get_str(qdict, "devname");
1447 if (usb_device_add(devname) < 0) {
1448 error_report("could not add USB device '%s'", devname);
1449 }
1450 }
1451
1452 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1453 {
1454 const char *devname = qdict_get_str(qdict, "devname");
1455 if (usb_device_del(devname) < 0) {
1456 error_report("could not delete USB device '%s'", devname);
1457 }
1458 }
1459
1460 /***********************************************************/
1461 /* machine registration */
1462
1463 MachineState *current_machine;
1464
1465 static MachineClass *find_machine(const char *name)
1466 {
1467 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1468 MachineClass *mc = NULL;
1469
1470 for (el = machines; el; el = el->next) {
1471 MachineClass *temp = el->data;
1472
1473 if (!strcmp(temp->name, name)) {
1474 mc = temp;
1475 break;
1476 }
1477 if (temp->alias &&
1478 !strcmp(temp->alias, name)) {
1479 mc = temp;
1480 break;
1481 }
1482 }
1483
1484 g_slist_free(machines);
1485 return mc;
1486 }
1487
1488 MachineClass *find_default_machine(void)
1489 {
1490 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1491 MachineClass *mc = NULL;
1492
1493 for (el = machines; el; el = el->next) {
1494 MachineClass *temp = el->data;
1495
1496 if (temp->is_default) {
1497 mc = temp;
1498 break;
1499 }
1500 }
1501
1502 g_slist_free(machines);
1503 return mc;
1504 }
1505
1506 MachineInfoList *qmp_query_machines(Error **errp)
1507 {
1508 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1509 MachineInfoList *mach_list = NULL;
1510
1511 for (el = machines; el; el = el->next) {
1512 MachineClass *mc = el->data;
1513 MachineInfoList *entry;
1514 MachineInfo *info;
1515
1516 info = g_malloc0(sizeof(*info));
1517 if (mc->is_default) {
1518 info->has_is_default = true;
1519 info->is_default = true;
1520 }
1521
1522 if (mc->alias) {
1523 info->has_alias = true;
1524 info->alias = g_strdup(mc->alias);
1525 }
1526
1527 info->name = g_strdup(mc->name);
1528 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1529
1530 entry = g_malloc0(sizeof(*entry));
1531 entry->value = info;
1532 entry->next = mach_list;
1533 mach_list = entry;
1534 }
1535
1536 g_slist_free(machines);
1537 return mach_list;
1538 }
1539
1540 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1541 {
1542 ObjectProperty *prop;
1543 ObjectPropertyIterator iter;
1544
1545 if (!qemu_opt_has_help_opt(opts)) {
1546 return 0;
1547 }
1548
1549 object_property_iter_init(&iter, OBJECT(machine));
1550 while ((prop = object_property_iter_next(&iter))) {
1551 if (!prop->set) {
1552 continue;
1553 }
1554
1555 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1556 prop->name, prop->type);
1557 if (prop->description) {
1558 error_printf(" (%s)\n", prop->description);
1559 } else {
1560 error_printf("\n");
1561 }
1562 }
1563
1564 return 1;
1565 }
1566
1567 /***********************************************************/
1568 /* main execution loop */
1569
1570 struct vm_change_state_entry {
1571 VMChangeStateHandler *cb;
1572 void *opaque;
1573 QLIST_ENTRY (vm_change_state_entry) entries;
1574 };
1575
1576 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1577
1578 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1579 void *opaque)
1580 {
1581 VMChangeStateEntry *e;
1582
1583 e = g_malloc0(sizeof (*e));
1584
1585 e->cb = cb;
1586 e->opaque = opaque;
1587 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1588 return e;
1589 }
1590
1591 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1592 {
1593 QLIST_REMOVE (e, entries);
1594 g_free (e);
1595 }
1596
1597 void vm_state_notify(int running, RunState state)
1598 {
1599 VMChangeStateEntry *e, *next;
1600
1601 trace_vm_state_notify(running, state);
1602
1603 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1604 e->cb(e->opaque, running, state);
1605 }
1606 }
1607
1608 /* reset/shutdown handler */
1609
1610 typedef struct QEMUResetEntry {
1611 QTAILQ_ENTRY(QEMUResetEntry) entry;
1612 QEMUResetHandler *func;
1613 void *opaque;
1614 } QEMUResetEntry;
1615
1616 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1617 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1618 static int reset_requested;
1619 static int shutdown_requested, shutdown_signal = -1;
1620 static pid_t shutdown_pid;
1621 static int powerdown_requested;
1622 static int debug_requested;
1623 static int suspend_requested;
1624 static WakeupReason wakeup_reason;
1625 static NotifierList powerdown_notifiers =
1626 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1627 static NotifierList suspend_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1629 static NotifierList wakeup_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1631 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1632
1633 int qemu_shutdown_requested_get(void)
1634 {
1635 return shutdown_requested;
1636 }
1637
1638 int qemu_reset_requested_get(void)
1639 {
1640 return reset_requested;
1641 }
1642
1643 static int qemu_shutdown_requested(void)
1644 {
1645 return atomic_xchg(&shutdown_requested, 0);
1646 }
1647
1648 static void qemu_kill_report(void)
1649 {
1650 if (!qtest_driver() && shutdown_signal != -1) {
1651 if (shutdown_pid == 0) {
1652 /* This happens for eg ^C at the terminal, so it's worth
1653 * avoiding printing an odd message in that case.
1654 */
1655 error_report("terminating on signal %d", shutdown_signal);
1656 } else {
1657 error_report("terminating on signal %d from pid " FMT_pid,
1658 shutdown_signal, shutdown_pid);
1659 }
1660 shutdown_signal = -1;
1661 }
1662 }
1663
1664 static int qemu_reset_requested(void)
1665 {
1666 int r = reset_requested;
1667 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1668 reset_requested = 0;
1669 return r;
1670 }
1671 return false;
1672 }
1673
1674 static int qemu_suspend_requested(void)
1675 {
1676 int r = suspend_requested;
1677 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1678 suspend_requested = 0;
1679 return r;
1680 }
1681 return false;
1682 }
1683
1684 static WakeupReason qemu_wakeup_requested(void)
1685 {
1686 return wakeup_reason;
1687 }
1688
1689 static int qemu_powerdown_requested(void)
1690 {
1691 int r = powerdown_requested;
1692 powerdown_requested = 0;
1693 return r;
1694 }
1695
1696 static int qemu_debug_requested(void)
1697 {
1698 int r = debug_requested;
1699 debug_requested = 0;
1700 return r;
1701 }
1702
1703 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1704 {
1705 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1706
1707 re->func = func;
1708 re->opaque = opaque;
1709 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1710 }
1711
1712 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1713 {
1714 QEMUResetEntry *re;
1715
1716 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1717 if (re->func == func && re->opaque == opaque) {
1718 QTAILQ_REMOVE(&reset_handlers, re, entry);
1719 g_free(re);
1720 return;
1721 }
1722 }
1723 }
1724
1725 void qemu_devices_reset(void)
1726 {
1727 QEMUResetEntry *re, *nre;
1728
1729 /* reset all devices */
1730 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1731 re->func(re->opaque);
1732 }
1733 }
1734
1735 void qemu_system_reset(bool report)
1736 {
1737 MachineClass *mc;
1738
1739 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1740
1741 cpu_synchronize_all_states();
1742
1743 if (mc && mc->reset) {
1744 mc->reset();
1745 } else {
1746 qemu_devices_reset();
1747 }
1748 if (report) {
1749 qapi_event_send_reset(&error_abort);
1750 }
1751 cpu_synchronize_all_post_reset();
1752 }
1753
1754 void qemu_system_guest_panicked(void)
1755 {
1756 if (current_cpu) {
1757 current_cpu->crash_occurred = true;
1758 }
1759 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1760 vm_stop(RUN_STATE_GUEST_PANICKED);
1761 }
1762
1763 void qemu_system_reset_request(void)
1764 {
1765 if (no_reboot) {
1766 shutdown_requested = 1;
1767 } else {
1768 reset_requested = 1;
1769 }
1770 cpu_stop_current();
1771 qemu_notify_event();
1772 }
1773
1774 static void qemu_system_suspend(void)
1775 {
1776 pause_all_vcpus();
1777 notifier_list_notify(&suspend_notifiers, NULL);
1778 runstate_set(RUN_STATE_SUSPENDED);
1779 qapi_event_send_suspend(&error_abort);
1780 }
1781
1782 void qemu_system_suspend_request(void)
1783 {
1784 if (runstate_check(RUN_STATE_SUSPENDED)) {
1785 return;
1786 }
1787 suspend_requested = 1;
1788 cpu_stop_current();
1789 qemu_notify_event();
1790 }
1791
1792 void qemu_register_suspend_notifier(Notifier *notifier)
1793 {
1794 notifier_list_add(&suspend_notifiers, notifier);
1795 }
1796
1797 void qemu_system_wakeup_request(WakeupReason reason)
1798 {
1799 trace_system_wakeup_request(reason);
1800
1801 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1802 return;
1803 }
1804 if (!(wakeup_reason_mask & (1 << reason))) {
1805 return;
1806 }
1807 runstate_set(RUN_STATE_RUNNING);
1808 wakeup_reason = reason;
1809 qemu_notify_event();
1810 }
1811
1812 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1813 {
1814 if (enabled) {
1815 wakeup_reason_mask |= (1 << reason);
1816 } else {
1817 wakeup_reason_mask &= ~(1 << reason);
1818 }
1819 }
1820
1821 void qemu_register_wakeup_notifier(Notifier *notifier)
1822 {
1823 notifier_list_add(&wakeup_notifiers, notifier);
1824 }
1825
1826 void qemu_system_killed(int signal, pid_t pid)
1827 {
1828 shutdown_signal = signal;
1829 shutdown_pid = pid;
1830 no_shutdown = 0;
1831
1832 /* Cannot call qemu_system_shutdown_request directly because
1833 * we are in a signal handler.
1834 */
1835 shutdown_requested = 1;
1836 qemu_notify_event();
1837 }
1838
1839 void qemu_system_shutdown_request(void)
1840 {
1841 trace_qemu_system_shutdown_request();
1842 replay_shutdown_request();
1843 shutdown_requested = 1;
1844 qemu_notify_event();
1845 }
1846
1847 static void qemu_system_powerdown(void)
1848 {
1849 qapi_event_send_powerdown(&error_abort);
1850 notifier_list_notify(&powerdown_notifiers, NULL);
1851 }
1852
1853 void qemu_system_powerdown_request(void)
1854 {
1855 trace_qemu_system_powerdown_request();
1856 powerdown_requested = 1;
1857 qemu_notify_event();
1858 }
1859
1860 void qemu_register_powerdown_notifier(Notifier *notifier)
1861 {
1862 notifier_list_add(&powerdown_notifiers, notifier);
1863 }
1864
1865 void qemu_system_debug_request(void)
1866 {
1867 debug_requested = 1;
1868 qemu_notify_event();
1869 }
1870
1871 static bool main_loop_should_exit(void)
1872 {
1873 RunState r;
1874 if (qemu_debug_requested()) {
1875 vm_stop(RUN_STATE_DEBUG);
1876 }
1877 if (qemu_suspend_requested()) {
1878 qemu_system_suspend();
1879 }
1880 if (qemu_shutdown_requested()) {
1881 qemu_kill_report();
1882 qapi_event_send_shutdown(&error_abort);
1883 if (no_shutdown) {
1884 vm_stop(RUN_STATE_SHUTDOWN);
1885 } else {
1886 return true;
1887 }
1888 }
1889 if (qemu_reset_requested()) {
1890 pause_all_vcpus();
1891 qemu_system_reset(VMRESET_REPORT);
1892 resume_all_vcpus();
1893 if (!runstate_check(RUN_STATE_RUNNING) &&
1894 !runstate_check(RUN_STATE_INMIGRATE)) {
1895 runstate_set(RUN_STATE_PRELAUNCH);
1896 }
1897 }
1898 if (qemu_wakeup_requested()) {
1899 pause_all_vcpus();
1900 qemu_system_reset(VMRESET_SILENT);
1901 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1902 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1903 resume_all_vcpus();
1904 qapi_event_send_wakeup(&error_abort);
1905 }
1906 if (qemu_powerdown_requested()) {
1907 qemu_system_powerdown();
1908 }
1909 if (qemu_vmstop_requested(&r)) {
1910 vm_stop(r);
1911 }
1912 return false;
1913 }
1914
1915 static void main_loop(void)
1916 {
1917 bool nonblocking;
1918 int last_io = 0;
1919 #ifdef CONFIG_PROFILER
1920 int64_t ti;
1921 #endif
1922 do {
1923 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1924 #ifdef CONFIG_PROFILER
1925 ti = profile_getclock();
1926 #endif
1927 last_io = main_loop_wait(nonblocking);
1928 #ifdef CONFIG_PROFILER
1929 dev_time += profile_getclock() - ti;
1930 #endif
1931 } while (!main_loop_should_exit());
1932 }
1933
1934 static void version(void)
1935 {
1936 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1937 }
1938
1939 static void help(int exitcode)
1940 {
1941 version();
1942 printf("usage: %s [options] [disk_image]\n\n"
1943 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1944 error_get_progname());
1945
1946 #define QEMU_OPTIONS_GENERATE_HELP
1947 #include "qemu-options-wrapper.h"
1948
1949 printf("\nDuring emulation, the following keys are useful:\n"
1950 "ctrl-alt-f toggle full screen\n"
1951 "ctrl-alt-n switch to virtual console 'n'\n"
1952 "ctrl-alt toggle mouse and keyboard grab\n"
1953 "\n"
1954 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1955
1956 exit(exitcode);
1957 }
1958
1959 #define HAS_ARG 0x0001
1960
1961 typedef struct QEMUOption {
1962 const char *name;
1963 int flags;
1964 int index;
1965 uint32_t arch_mask;
1966 } QEMUOption;
1967
1968 static const QEMUOption qemu_options[] = {
1969 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1970 #define QEMU_OPTIONS_GENERATE_OPTIONS
1971 #include "qemu-options-wrapper.h"
1972 { NULL },
1973 };
1974
1975 typedef struct VGAInterfaceInfo {
1976 const char *opt_name; /* option name */
1977 const char *name; /* human-readable name */
1978 /* Class names indicating that support is available.
1979 * If no class is specified, the interface is always available */
1980 const char *class_names[2];
1981 } VGAInterfaceInfo;
1982
1983 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1984 [VGA_NONE] = {
1985 .opt_name = "none",
1986 },
1987 [VGA_STD] = {
1988 .opt_name = "std",
1989 .name = "standard VGA",
1990 .class_names = { "VGA", "isa-vga" },
1991 },
1992 [VGA_CIRRUS] = {
1993 .opt_name = "cirrus",
1994 .name = "Cirrus VGA",
1995 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1996 },
1997 [VGA_VMWARE] = {
1998 .opt_name = "vmware",
1999 .name = "VMWare SVGA",
2000 .class_names = { "vmware-svga" },
2001 },
2002 [VGA_VIRTIO] = {
2003 .opt_name = "virtio",
2004 .name = "Virtio VGA",
2005 .class_names = { "virtio-vga" },
2006 },
2007 [VGA_QXL] = {
2008 .opt_name = "qxl",
2009 .name = "QXL VGA",
2010 .class_names = { "qxl-vga" },
2011 },
2012 [VGA_TCX] = {
2013 .opt_name = "tcx",
2014 .name = "TCX framebuffer",
2015 .class_names = { "SUNW,tcx" },
2016 },
2017 [VGA_CG3] = {
2018 .opt_name = "cg3",
2019 .name = "CG3 framebuffer",
2020 .class_names = { "cgthree" },
2021 },
2022 [VGA_XENFB] = {
2023 .opt_name = "xenfb",
2024 },
2025 };
2026
2027 static bool vga_interface_available(VGAInterfaceType t)
2028 {
2029 VGAInterfaceInfo *ti = &vga_interfaces[t];
2030
2031 assert(t < VGA_TYPE_MAX);
2032 return !ti->class_names[0] ||
2033 object_class_by_name(ti->class_names[0]) ||
2034 object_class_by_name(ti->class_names[1]);
2035 }
2036
2037 static void select_vgahw(const char *p)
2038 {
2039 const char *opts;
2040 int t;
2041
2042 assert(vga_interface_type == VGA_NONE);
2043 for (t = 0; t < VGA_TYPE_MAX; t++) {
2044 VGAInterfaceInfo *ti = &vga_interfaces[t];
2045 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2046 if (!vga_interface_available(t)) {
2047 error_report("%s not available", ti->name);
2048 exit(1);
2049 }
2050 vga_interface_type = t;
2051 break;
2052 }
2053 }
2054 if (t == VGA_TYPE_MAX) {
2055 invalid_vga:
2056 error_report("unknown vga type: %s", p);
2057 exit(1);
2058 }
2059 while (*opts) {
2060 const char *nextopt;
2061
2062 if (strstart(opts, ",retrace=", &nextopt)) {
2063 opts = nextopt;
2064 if (strstart(opts, "dumb", &nextopt))
2065 vga_retrace_method = VGA_RETRACE_DUMB;
2066 else if (strstart(opts, "precise", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_PRECISE;
2068 else goto invalid_vga;
2069 } else goto invalid_vga;
2070 opts = nextopt;
2071 }
2072 }
2073
2074 typedef enum DisplayType {
2075 DT_DEFAULT,
2076 DT_CURSES,
2077 DT_SDL,
2078 DT_COCOA,
2079 DT_GTK,
2080 DT_NONE,
2081 } DisplayType;
2082
2083 static DisplayType select_display(const char *p)
2084 {
2085 const char *opts;
2086 DisplayType display = DT_DEFAULT;
2087
2088 if (strstart(p, "sdl", &opts)) {
2089 #ifdef CONFIG_SDL
2090 display = DT_SDL;
2091 while (*opts) {
2092 const char *nextopt;
2093
2094 if (strstart(opts, ",frame=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 no_frame = 0;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 no_frame = 1;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 alt_grab = 1;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 alt_grab = 0;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 ctrl_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 ctrl_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else if (strstart(opts, ",window_close=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 no_quit = 0;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 no_quit = 1;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",gl=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 request_opengl = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 request_opengl = 0;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else {
2140 invalid_sdl_args:
2141 error_report("invalid SDL option string");
2142 exit(1);
2143 }
2144 opts = nextopt;
2145 }
2146 #else
2147 error_report("SDL support is disabled");
2148 exit(1);
2149 #endif
2150 } else if (strstart(p, "vnc", &opts)) {
2151 if (*opts == '=') {
2152 vnc_parse(opts + 1, &error_fatal);
2153 } else {
2154 error_report("VNC requires a display argument vnc=<display>");
2155 exit(1);
2156 }
2157 } else if (strstart(p, "curses", &opts)) {
2158 #ifdef CONFIG_CURSES
2159 display = DT_CURSES;
2160 #else
2161 error_report("curses support is disabled");
2162 exit(1);
2163 #endif
2164 } else if (strstart(p, "gtk", &opts)) {
2165 #ifdef CONFIG_GTK
2166 display = DT_GTK;
2167 while (*opts) {
2168 const char *nextopt;
2169
2170 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 grab_on_hover = true;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 grab_on_hover = false;
2176 } else {
2177 goto invalid_gtk_args;
2178 }
2179 } else if (strstart(opts, ",gl=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 request_opengl = 1;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 request_opengl = 0;
2185 } else {
2186 goto invalid_gtk_args;
2187 }
2188 } else {
2189 invalid_gtk_args:
2190 error_report("invalid GTK option string");
2191 exit(1);
2192 }
2193 opts = nextopt;
2194 }
2195 #else
2196 error_report("GTK support is disabled");
2197 exit(1);
2198 #endif
2199 } else if (strstart(p, "none", &opts)) {
2200 display = DT_NONE;
2201 } else {
2202 error_report("unknown display type");
2203 exit(1);
2204 }
2205
2206 return display;
2207 }
2208
2209 static int balloon_parse(const char *arg)
2210 {
2211 QemuOpts *opts;
2212
2213 if (strcmp(arg, "none") == 0) {
2214 return 0;
2215 }
2216
2217 if (!strncmp(arg, "virtio", 6)) {
2218 if (arg[6] == ',') {
2219 /* have params -> parse them */
2220 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2221 false);
2222 if (!opts)
2223 return -1;
2224 } else {
2225 /* create empty opts */
2226 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2227 &error_abort);
2228 }
2229 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2230 return 0;
2231 }
2232
2233 return -1;
2234 }
2235
2236 char *qemu_find_file(int type, const char *name)
2237 {
2238 int i;
2239 const char *subdir;
2240 char *buf;
2241
2242 /* Try the name as a straight path first */
2243 if (access(name, R_OK) == 0) {
2244 trace_load_file(name, name);
2245 return g_strdup(name);
2246 }
2247
2248 switch (type) {
2249 case QEMU_FILE_TYPE_BIOS:
2250 subdir = "";
2251 break;
2252 case QEMU_FILE_TYPE_KEYMAP:
2253 subdir = "keymaps/";
2254 break;
2255 default:
2256 abort();
2257 }
2258
2259 for (i = 0; i < data_dir_idx; i++) {
2260 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2261 if (access(buf, R_OK) == 0) {
2262 trace_load_file(name, buf);
2263 return buf;
2264 }
2265 g_free(buf);
2266 }
2267 return NULL;
2268 }
2269
2270 static inline bool nonempty_str(const char *str)
2271 {
2272 return str && *str;
2273 }
2274
2275 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2276 {
2277 gchar *buf;
2278 size_t size;
2279 const char *name, *file, *str;
2280 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2281
2282 if (fw_cfg == NULL) {
2283 error_report("fw_cfg device not available");
2284 return -1;
2285 }
2286 name = qemu_opt_get(opts, "name");
2287 file = qemu_opt_get(opts, "file");
2288 str = qemu_opt_get(opts, "string");
2289
2290 /* we need name and either a file or the content string */
2291 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2292 error_report("invalid argument(s)");
2293 return -1;
2294 }
2295 if (nonempty_str(file) && nonempty_str(str)) {
2296 error_report("file and string are mutually exclusive");
2297 return -1;
2298 }
2299 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2300 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2301 return -1;
2302 }
2303 if (strncmp(name, "opt/", 4) != 0) {
2304 error_report("warning: externally provided fw_cfg item names "
2305 "should be prefixed with \"opt/\"");
2306 }
2307 if (nonempty_str(str)) {
2308 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2309 buf = g_memdup(str, size);
2310 } else {
2311 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2312 error_report("can't load %s", file);
2313 return -1;
2314 }
2315 }
2316 /* For legacy, keep user files in a specific global order. */
2317 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2318 fw_cfg_add_file(fw_cfg, name, buf, size);
2319 fw_cfg_reset_order_override(fw_cfg);
2320 return 0;
2321 }
2322
2323 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 return qdev_device_help(opts);
2326 }
2327
2328 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 Error *err = NULL;
2331 DeviceState *dev;
2332
2333 dev = qdev_device_add(opts, &err);
2334 if (!dev) {
2335 error_report_err(err);
2336 return -1;
2337 }
2338 object_unref(OBJECT(dev));
2339 return 0;
2340 }
2341
2342 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2343 {
2344 Error *local_err = NULL;
2345
2346 qemu_chr_new_from_opts(opts, NULL, &local_err);
2347 if (local_err) {
2348 error_report_err(local_err);
2349 return -1;
2350 }
2351 return 0;
2352 }
2353
2354 #ifdef CONFIG_VIRTFS
2355 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 return qemu_fsdev_add(opts);
2358 }
2359 #endif
2360
2361 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2362 {
2363 CharDriverState *chr;
2364 const char *chardev;
2365 const char *mode;
2366 int flags;
2367
2368 mode = qemu_opt_get(opts, "mode");
2369 if (mode == NULL) {
2370 mode = "readline";
2371 }
2372 if (strcmp(mode, "readline") == 0) {
2373 flags = MONITOR_USE_READLINE;
2374 } else if (strcmp(mode, "control") == 0) {
2375 flags = MONITOR_USE_CONTROL;
2376 } else {
2377 error_report("unknown monitor mode \"%s\"", mode);
2378 exit(1);
2379 }
2380
2381 if (qemu_opt_get_bool(opts, "pretty", 0))
2382 flags |= MONITOR_USE_PRETTY;
2383
2384 if (qemu_opt_get_bool(opts, "default", 0))
2385 flags |= MONITOR_IS_DEFAULT;
2386
2387 chardev = qemu_opt_get(opts, "chardev");
2388 chr = qemu_chr_find(chardev);
2389 if (chr == NULL) {
2390 error_report("chardev \"%s\" not found", chardev);
2391 exit(1);
2392 }
2393
2394 qemu_chr_fe_claim_no_fail(chr);
2395 monitor_init(chr, flags);
2396 return 0;
2397 }
2398
2399 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2400 {
2401 static int monitor_device_index = 0;
2402 QemuOpts *opts;
2403 const char *p;
2404 char label[32];
2405 int def = 0;
2406
2407 if (strstart(optarg, "chardev:", &p)) {
2408 snprintf(label, sizeof(label), "%s", p);
2409 } else {
2410 snprintf(label, sizeof(label), "compat_monitor%d",
2411 monitor_device_index);
2412 if (monitor_device_index == 0) {
2413 def = 1;
2414 }
2415 opts = qemu_chr_parse_compat(label, optarg);
2416 if (!opts) {
2417 error_report("parse error: %s", optarg);
2418 exit(1);
2419 }
2420 }
2421
2422 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2423 qemu_opt_set(opts, "mode", mode, &error_abort);
2424 qemu_opt_set(opts, "chardev", label, &error_abort);
2425 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2426 if (def)
2427 qemu_opt_set(opts, "default", "on", &error_abort);
2428 monitor_device_index++;
2429 }
2430
2431 struct device_config {
2432 enum {
2433 DEV_USB, /* -usbdevice */
2434 DEV_BT, /* -bt */
2435 DEV_SERIAL, /* -serial */
2436 DEV_PARALLEL, /* -parallel */
2437 DEV_VIRTCON, /* -virtioconsole */
2438 DEV_DEBUGCON, /* -debugcon */
2439 DEV_GDB, /* -gdb, -s */
2440 DEV_SCLP, /* s390 sclp */
2441 } type;
2442 const char *cmdline;
2443 Location loc;
2444 QTAILQ_ENTRY(device_config) next;
2445 };
2446
2447 static QTAILQ_HEAD(, device_config) device_configs =
2448 QTAILQ_HEAD_INITIALIZER(device_configs);
2449
2450 static void add_device_config(int type, const char *cmdline)
2451 {
2452 struct device_config *conf;
2453
2454 conf = g_malloc0(sizeof(*conf));
2455 conf->type = type;
2456 conf->cmdline = cmdline;
2457 loc_save(&conf->loc);
2458 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2459 }
2460
2461 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2462 {
2463 struct device_config *conf;
2464 int rc;
2465
2466 QTAILQ_FOREACH(conf, &device_configs, next) {
2467 if (conf->type != type)
2468 continue;
2469 loc_push_restore(&conf->loc);
2470 rc = func(conf->cmdline);
2471 loc_pop(&conf->loc);
2472 if (rc) {
2473 return rc;
2474 }
2475 }
2476 return 0;
2477 }
2478
2479 static int serial_parse(const char *devname)
2480 {
2481 static int index = 0;
2482 char label[32];
2483
2484 if (strcmp(devname, "none") == 0)
2485 return 0;
2486 if (index == MAX_SERIAL_PORTS) {
2487 error_report("too many serial ports");
2488 exit(1);
2489 }
2490 snprintf(label, sizeof(label), "serial%d", index);
2491 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2492 if (!serial_hds[index]) {
2493 error_report("could not connect serial device"
2494 " to character backend '%s'", devname);
2495 return -1;
2496 }
2497 index++;
2498 return 0;
2499 }
2500
2501 static int parallel_parse(const char *devname)
2502 {
2503 static int index = 0;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 if (index == MAX_PARALLEL_PORTS) {
2509 error_report("too many parallel ports");
2510 exit(1);
2511 }
2512 snprintf(label, sizeof(label), "parallel%d", index);
2513 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2514 if (!parallel_hds[index]) {
2515 error_report("could not connect parallel device"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 index++;
2520 return 0;
2521 }
2522
2523 static int virtcon_parse(const char *devname)
2524 {
2525 QemuOptsList *device = qemu_find_opts("device");
2526 static int index = 0;
2527 char label[32];
2528 QemuOpts *bus_opts, *dev_opts;
2529
2530 if (strcmp(devname, "none") == 0)
2531 return 0;
2532 if (index == MAX_VIRTIO_CONSOLES) {
2533 error_report("too many virtio consoles");
2534 exit(1);
2535 }
2536
2537 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2538 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2539
2540 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2541 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2542
2543 snprintf(label, sizeof(label), "virtcon%d", index);
2544 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2545 if (!virtcon_hds[index]) {
2546 error_report("could not connect virtio console"
2547 " to character backend '%s'", devname);
2548 return -1;
2549 }
2550 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2551
2552 index++;
2553 return 0;
2554 }
2555
2556 static int sclp_parse(const char *devname)
2557 {
2558 QemuOptsList *device = qemu_find_opts("device");
2559 static int index = 0;
2560 char label[32];
2561 QemuOpts *dev_opts;
2562
2563 if (strcmp(devname, "none") == 0) {
2564 return 0;
2565 }
2566 if (index == MAX_SCLP_CONSOLES) {
2567 error_report("too many sclp consoles");
2568 exit(1);
2569 }
2570
2571 assert(arch_type == QEMU_ARCH_S390X);
2572
2573 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2574 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2575
2576 snprintf(label, sizeof(label), "sclpcon%d", index);
2577 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2578 if (!sclp_hds[index]) {
2579 error_report("could not connect sclp console"
2580 " to character backend '%s'", devname);
2581 return -1;
2582 }
2583 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2584
2585 index++;
2586 return 0;
2587 }
2588
2589 static int debugcon_parse(const char *devname)
2590 {
2591 QemuOpts *opts;
2592
2593 if (!qemu_chr_new("debugcon", devname, NULL)) {
2594 exit(1);
2595 }
2596 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2597 if (!opts) {
2598 error_report("already have a debugcon device");
2599 exit(1);
2600 }
2601 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2602 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2603 return 0;
2604 }
2605
2606 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2607 {
2608 const MachineClass *mc1 = a, *mc2 = b;
2609 int res;
2610
2611 if (mc1->family == NULL) {
2612 if (mc2->family == NULL) {
2613 /* Compare standalone machine types against each other; they sort
2614 * in increasing order.
2615 */
2616 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2617 object_class_get_name(OBJECT_CLASS(mc2)));
2618 }
2619
2620 /* Standalone machine types sort after families. */
2621 return 1;
2622 }
2623
2624 if (mc2->family == NULL) {
2625 /* Families sort before standalone machine types. */
2626 return -1;
2627 }
2628
2629 /* Families sort between each other alphabetically increasingly. */
2630 res = strcmp(mc1->family, mc2->family);
2631 if (res != 0) {
2632 return res;
2633 }
2634
2635 /* Within the same family, machine types sort in decreasing order. */
2636 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2637 object_class_get_name(OBJECT_CLASS(mc1)));
2638 }
2639
2640 static MachineClass *machine_parse(const char *name)
2641 {
2642 MachineClass *mc = NULL;
2643 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2644
2645 if (name) {
2646 mc = find_machine(name);
2647 }
2648 if (mc) {
2649 g_slist_free(machines);
2650 return mc;
2651 }
2652 if (name && !is_help_option(name)) {
2653 error_report("unsupported machine type");
2654 error_printf("Use -machine help to list supported machines\n");
2655 } else {
2656 printf("Supported machines are:\n");
2657 machines = g_slist_sort(machines, machine_class_cmp);
2658 for (el = machines; el; el = el->next) {
2659 MachineClass *mc = el->data;
2660 if (mc->alias) {
2661 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2662 }
2663 printf("%-20s %s%s\n", mc->name, mc->desc,
2664 mc->is_default ? " (default)" : "");
2665 }
2666 }
2667
2668 g_slist_free(machines);
2669 exit(!name || !is_help_option(name));
2670 }
2671
2672 void qemu_add_exit_notifier(Notifier *notify)
2673 {
2674 notifier_list_add(&exit_notifiers, notify);
2675 }
2676
2677 void qemu_remove_exit_notifier(Notifier *notify)
2678 {
2679 notifier_remove(notify);
2680 }
2681
2682 static void qemu_run_exit_notifiers(void)
2683 {
2684 notifier_list_notify(&exit_notifiers, NULL);
2685 }
2686
2687 static bool machine_init_done;
2688
2689 void qemu_add_machine_init_done_notifier(Notifier *notify)
2690 {
2691 notifier_list_add(&machine_init_done_notifiers, notify);
2692 if (machine_init_done) {
2693 notify->notify(notify, NULL);
2694 }
2695 }
2696
2697 static void qemu_run_machine_init_done_notifiers(void)
2698 {
2699 notifier_list_notify(&machine_init_done_notifiers, NULL);
2700 machine_init_done = true;
2701 }
2702
2703 static const QEMUOption *lookup_opt(int argc, char **argv,
2704 const char **poptarg, int *poptind)
2705 {
2706 const QEMUOption *popt;
2707 int optind = *poptind;
2708 char *r = argv[optind];
2709 const char *optarg;
2710
2711 loc_set_cmdline(argv, optind, 1);
2712 optind++;
2713 /* Treat --foo the same as -foo. */
2714 if (r[1] == '-')
2715 r++;
2716 popt = qemu_options;
2717 for(;;) {
2718 if (!popt->name) {
2719 error_report("invalid option");
2720 exit(1);
2721 }
2722 if (!strcmp(popt->name, r + 1))
2723 break;
2724 popt++;
2725 }
2726 if (popt->flags & HAS_ARG) {
2727 if (optind >= argc) {
2728 error_report("requires an argument");
2729 exit(1);
2730 }
2731 optarg = argv[optind++];
2732 loc_set_cmdline(argv, optind - 2, 2);
2733 } else {
2734 optarg = NULL;
2735 }
2736
2737 *poptarg = optarg;
2738 *poptind = optind;
2739
2740 return popt;
2741 }
2742
2743 static MachineClass *select_machine(void)
2744 {
2745 MachineClass *machine_class = find_default_machine();
2746 const char *optarg;
2747 QemuOpts *opts;
2748 Location loc;
2749
2750 loc_push_none(&loc);
2751
2752 opts = qemu_get_machine_opts();
2753 qemu_opts_loc_restore(opts);
2754
2755 optarg = qemu_opt_get(opts, "type");
2756 if (optarg) {
2757 machine_class = machine_parse(optarg);
2758 }
2759
2760 if (!machine_class) {
2761 error_report("No machine specified, and there is no default");
2762 error_printf("Use -machine help to list supported machines\n");
2763 exit(1);
2764 }
2765
2766 loc_pop(&loc);
2767 return machine_class;
2768 }
2769
2770 static int machine_set_property(void *opaque,
2771 const char *name, const char *value,
2772 Error **errp)
2773 {
2774 Object *obj = OBJECT(opaque);
2775 Error *local_err = NULL;
2776 char *c, *qom_name;
2777
2778 if (strcmp(name, "type") == 0) {
2779 return 0;
2780 }
2781
2782 qom_name = g_strdup(name);
2783 c = qom_name;
2784 while (*c++) {
2785 if (*c == '_') {
2786 *c = '-';
2787 }
2788 }
2789
2790 object_property_parse(obj, value, qom_name, &local_err);
2791 g_free(qom_name);
2792
2793 if (local_err) {
2794 error_report_err(local_err);
2795 return -1;
2796 }
2797
2798 return 0;
2799 }
2800
2801
2802 /*
2803 * Initial object creation happens before all other
2804 * QEMU data types are created. The majority of objects
2805 * can be created at this point. The rng-egd object
2806 * cannot be created here, as it depends on the chardev
2807 * already existing.
2808 */
2809 static bool object_create_initial(const char *type)
2810 {
2811 if (g_str_equal(type, "rng-egd")) {
2812 return false;
2813 }
2814
2815 /*
2816 * return false for concrete netfilters since
2817 * they depend on netdevs already existing
2818 */
2819 if (g_str_equal(type, "filter-buffer") ||
2820 g_str_equal(type, "filter-dump") ||
2821 g_str_equal(type, "filter-mirror") ||
2822 g_str_equal(type, "filter-redirector")) {
2823 return false;
2824 }
2825
2826 return true;
2827 }
2828
2829
2830 /*
2831 * The remainder of object creation happens after the
2832 * creation of chardev, fsdev, net clients and device data types.
2833 */
2834 static bool object_create_delayed(const char *type)
2835 {
2836 return !object_create_initial(type);
2837 }
2838
2839
2840 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2841 MachineClass *mc)
2842 {
2843 uint64_t sz;
2844 const char *mem_str;
2845 const char *maxmem_str, *slots_str;
2846 const ram_addr_t default_ram_size = mc->default_ram_size;
2847 QemuOpts *opts = qemu_find_opts_singleton("memory");
2848 Location loc;
2849
2850 loc_push_none(&loc);
2851 qemu_opts_loc_restore(opts);
2852
2853 sz = 0;
2854 mem_str = qemu_opt_get(opts, "size");
2855 if (mem_str) {
2856 if (!*mem_str) {
2857 error_report("missing 'size' option value");
2858 exit(EXIT_FAILURE);
2859 }
2860
2861 sz = qemu_opt_get_size(opts, "size", ram_size);
2862
2863 /* Fix up legacy suffix-less format */
2864 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2865 uint64_t overflow_check = sz;
2866
2867 sz <<= 20;
2868 if ((sz >> 20) != overflow_check) {
2869 error_report("too large 'size' option value");
2870 exit(EXIT_FAILURE);
2871 }
2872 }
2873 }
2874
2875 /* backward compatibility behaviour for case "-m 0" */
2876 if (sz == 0) {
2877 sz = default_ram_size;
2878 }
2879
2880 sz = QEMU_ALIGN_UP(sz, 8192);
2881 ram_size = sz;
2882 if (ram_size != sz) {
2883 error_report("ram size too large");
2884 exit(EXIT_FAILURE);
2885 }
2886
2887 /* store value for the future use */
2888 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2889 *maxram_size = ram_size;
2890
2891 maxmem_str = qemu_opt_get(opts, "maxmem");
2892 slots_str = qemu_opt_get(opts, "slots");
2893 if (maxmem_str && slots_str) {
2894 uint64_t slots;
2895
2896 sz = qemu_opt_get_size(opts, "maxmem", 0);
2897 slots = qemu_opt_get_number(opts, "slots", 0);
2898 if (sz < ram_size) {
2899 error_report("invalid value of -m option maxmem: "
2900 "maximum memory size (0x%" PRIx64 ") must be at least "
2901 "the initial memory size (0x" RAM_ADDR_FMT ")",
2902 sz, ram_size);
2903 exit(EXIT_FAILURE);
2904 } else if (sz > ram_size) {
2905 if (!slots) {
2906 error_report("invalid value of -m option: maxmem was "
2907 "specified, but no hotplug slots were specified");
2908 exit(EXIT_FAILURE);
2909 }
2910 } else if (slots) {
2911 error_report("invalid value of -m option maxmem: "
2912 "memory slots were specified but maximum memory size "
2913 "(0x%" PRIx64 ") is equal to the initial memory size "
2914 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2915 exit(EXIT_FAILURE);
2916 }
2917
2918 *maxram_size = sz;
2919 *ram_slots = slots;
2920 } else if ((!maxmem_str && slots_str) ||
2921 (maxmem_str && !slots_str)) {
2922 error_report("invalid -m option value: missing "
2923 "'%s' option", slots_str ? "maxmem" : "slots");
2924 exit(EXIT_FAILURE);
2925 }
2926
2927 loc_pop(&loc);
2928 }
2929
2930 int main(int argc, char **argv, char **envp)
2931 {
2932 int i;
2933 int snapshot, linux_boot;
2934 const char *initrd_filename;
2935 const char *kernel_filename, *kernel_cmdline;
2936 const char *boot_order = NULL;
2937 const char *boot_once = NULL;
2938 DisplayState *ds;
2939 int cyls, heads, secs, translation;
2940 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2941 QemuOptsList *olist;
2942 int optind;
2943 const char *optarg;
2944 const char *loadvm = NULL;
2945 MachineClass *machine_class;
2946 const char *cpu_model;
2947 const char *vga_model = NULL;
2948 const char *qtest_chrdev = NULL;
2949 const char *qtest_log = NULL;
2950 const char *pid_file = NULL;
2951 const char *incoming = NULL;
2952 bool defconfig = true;
2953 bool userconfig = true;
2954 bool nographic = false;
2955 DisplayType display_type = DT_DEFAULT;
2956 int display_remote = 0;
2957 const char *log_mask = NULL;
2958 const char *log_file = NULL;
2959 char *trace_file = NULL;
2960 ram_addr_t maxram_size;
2961 uint64_t ram_slots = 0;
2962 FILE *vmstate_dump_file = NULL;
2963 Error *main_loop_err = NULL;
2964 Error *err = NULL;
2965 bool list_data_dirs = false;
2966
2967 qemu_init_cpu_loop();
2968 qemu_mutex_lock_iothread();
2969
2970 atexit(qemu_run_exit_notifiers);
2971 error_set_progname(argv[0]);
2972 qemu_init_exec_dir(argv[0]);
2973
2974 module_call_init(MODULE_INIT_QOM);
2975
2976 qemu_add_opts(&qemu_drive_opts);
2977 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2978 qemu_add_drive_opts(&qemu_common_drive_opts);
2979 qemu_add_drive_opts(&qemu_drive_opts);
2980 qemu_add_opts(&qemu_chardev_opts);
2981 qemu_add_opts(&qemu_device_opts);
2982 qemu_add_opts(&qemu_netdev_opts);
2983 qemu_add_opts(&qemu_net_opts);
2984 qemu_add_opts(&qemu_rtc_opts);
2985 qemu_add_opts(&qemu_global_opts);
2986 qemu_add_opts(&qemu_mon_opts);
2987 qemu_add_opts(&qemu_trace_opts);
2988 qemu_add_opts(&qemu_option_rom_opts);
2989 qemu_add_opts(&qemu_machine_opts);
2990 qemu_add_opts(&qemu_mem_opts);
2991 qemu_add_opts(&qemu_smp_opts);
2992 qemu_add_opts(&qemu_boot_opts);
2993 qemu_add_opts(&qemu_sandbox_opts);
2994 qemu_add_opts(&qemu_add_fd_opts);
2995 qemu_add_opts(&qemu_object_opts);
2996 qemu_add_opts(&qemu_tpmdev_opts);
2997 qemu_add_opts(&qemu_realtime_opts);
2998 qemu_add_opts(&qemu_msg_opts);
2999 qemu_add_opts(&qemu_name_opts);
3000 qemu_add_opts(&qemu_numa_opts);
3001 qemu_add_opts(&qemu_icount_opts);
3002 qemu_add_opts(&qemu_semihosting_config_opts);
3003 qemu_add_opts(&qemu_fw_cfg_opts);
3004 module_call_init(MODULE_INIT_OPTS);
3005
3006 runstate_init();
3007
3008 if (qcrypto_init(&err) < 0) {
3009 error_reportf_err(err, "cannot initialize crypto: ");
3010 exit(1);
3011 }
3012 rtc_clock = QEMU_CLOCK_HOST;
3013
3014 QLIST_INIT (&vm_change_state_head);
3015 os_setup_early_signal_handling();
3016
3017 cpu_model = NULL;
3018 snapshot = 0;
3019 cyls = heads = secs = 0;
3020 translation = BIOS_ATA_TRANSLATION_AUTO;
3021
3022 nb_nics = 0;
3023
3024 bdrv_init_with_whitelist();
3025
3026 autostart = 1;
3027
3028 /* first pass of option parsing */
3029 optind = 1;
3030 while (optind < argc) {
3031 if (argv[optind][0] != '-') {
3032 /* disk image */
3033 optind++;
3034 } else {
3035 const QEMUOption *popt;
3036
3037 popt = lookup_opt(argc, argv, &optarg, &optind);
3038 switch (popt->index) {
3039 case QEMU_OPTION_nodefconfig:
3040 defconfig = false;
3041 break;
3042 case QEMU_OPTION_nouserconfig:
3043 userconfig = false;
3044 break;
3045 }
3046 }
3047 }
3048
3049 if (defconfig) {
3050 int ret;
3051 ret = qemu_read_default_config_files(userconfig);
3052 if (ret < 0) {
3053 exit(1);
3054 }
3055 }
3056
3057 /* second pass of option parsing */
3058 optind = 1;
3059 for(;;) {
3060 if (optind >= argc)
3061 break;
3062 if (argv[optind][0] != '-') {
3063 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3064 } else {
3065 const QEMUOption *popt;
3066
3067 popt = lookup_opt(argc, argv, &optarg, &optind);
3068 if (!(popt->arch_mask & arch_type)) {
3069 error_report("Option not supported for this target");
3070 exit(1);
3071 }
3072 switch(popt->index) {
3073 case QEMU_OPTION_no_kvm_irqchip: {
3074 olist = qemu_find_opts("machine");
3075 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3076 break;
3077 }
3078 case QEMU_OPTION_cpu:
3079 /* hw initialization will check this */
3080 cpu_model = optarg;
3081 break;
3082 case QEMU_OPTION_hda:
3083 {
3084 char buf[256];
3085 if (cyls == 0)
3086 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3087 else
3088 snprintf(buf, sizeof(buf),
3089 "%s,cyls=%d,heads=%d,secs=%d%s",
3090 HD_OPTS , cyls, heads, secs,
3091 translation == BIOS_ATA_TRANSLATION_LBA ?
3092 ",trans=lba" :
3093 translation == BIOS_ATA_TRANSLATION_NONE ?
3094 ",trans=none" : "");
3095 drive_add(IF_DEFAULT, 0, optarg, buf);
3096 break;
3097 }
3098 case QEMU_OPTION_hdb:
3099 case QEMU_OPTION_hdc:
3100 case QEMU_OPTION_hdd:
3101 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3102 HD_OPTS);
3103 break;
3104 case QEMU_OPTION_drive:
3105 if (drive_def(optarg) == NULL) {
3106 exit(1);
3107 }
3108 break;
3109 case QEMU_OPTION_set:
3110 if (qemu_set_option(optarg) != 0)
3111 exit(1);
3112 break;
3113 case QEMU_OPTION_global:
3114 if (qemu_global_option(optarg) != 0)
3115 exit(1);
3116 break;
3117 case QEMU_OPTION_mtdblock:
3118 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3119 break;
3120 case QEMU_OPTION_sd:
3121 drive_add(IF_SD, -1, optarg, SD_OPTS);
3122 break;
3123 case QEMU_OPTION_pflash:
3124 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3125 break;
3126 case QEMU_OPTION_snapshot:
3127 snapshot = 1;
3128 break;
3129 case QEMU_OPTION_hdachs:
3130 {
3131 const char *p;
3132 p = optarg;
3133 cyls = strtol(p, (char **)&p, 0);
3134 if (cyls < 1 || cyls > 16383)
3135 goto chs_fail;
3136 if (*p != ',')
3137 goto chs_fail;
3138 p++;
3139 heads = strtol(p, (char **)&p, 0);
3140 if (heads < 1 || heads > 16)
3141 goto chs_fail;
3142 if (*p != ',')
3143 goto chs_fail;
3144 p++;
3145 secs = strtol(p, (char **)&p, 0);
3146 if (secs < 1 || secs > 63)
3147 goto chs_fail;
3148 if (*p == ',') {
3149 p++;
3150 if (!strcmp(p, "large")) {
3151 translation = BIOS_ATA_TRANSLATION_LARGE;
3152 } else if (!strcmp(p, "rechs")) {
3153 translation = BIOS_ATA_TRANSLATION_RECHS;
3154 } else if (!strcmp(p, "none")) {
3155 translation = BIOS_ATA_TRANSLATION_NONE;
3156 } else if (!strcmp(p, "lba")) {
3157 translation = BIOS_ATA_TRANSLATION_LBA;
3158 } else if (!strcmp(p, "auto")) {
3159 translation = BIOS_ATA_TRANSLATION_AUTO;
3160 } else {
3161 goto chs_fail;
3162 }
3163 } else if (*p != '\0') {
3164 chs_fail:
3165 error_report("invalid physical CHS format");
3166 exit(1);
3167 }
3168 if (hda_opts != NULL) {
3169 qemu_opt_set_number(hda_opts, "cyls", cyls,
3170 &error_abort);
3171 qemu_opt_set_number(hda_opts, "heads", heads,
3172 &error_abort);
3173 qemu_opt_set_number(hda_opts, "secs", secs,
3174 &error_abort);
3175 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3176 qemu_opt_set(hda_opts, "trans", "large",
3177 &error_abort);
3178 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3179 qemu_opt_set(hda_opts, "trans", "rechs",
3180 &error_abort);
3181 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3182 qemu_opt_set(hda_opts, "trans", "lba",
3183 &error_abort);
3184 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3185 qemu_opt_set(hda_opts, "trans", "none",
3186 &error_abort);
3187 }
3188 }
3189 }
3190 break;
3191 case QEMU_OPTION_numa:
3192 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3193 optarg, true);
3194 if (!opts) {
3195 exit(1);
3196 }
3197 break;
3198 case QEMU_OPTION_display:
3199 display_type = select_display(optarg);
3200 break;
3201 case QEMU_OPTION_nographic:
3202 olist = qemu_find_opts("machine");
3203 qemu_opts_parse_noisily(olist, "graphics=off", false);
3204 nographic = true;
3205 display_type = DT_NONE;
3206 break;
3207 case QEMU_OPTION_curses:
3208 #ifdef CONFIG_CURSES
3209 display_type = DT_CURSES;
3210 #else
3211 error_report("curses support is disabled");
3212 exit(1);
3213 #endif
3214 break;
3215 case QEMU_OPTION_portrait:
3216 graphic_rotate = 90;
3217 break;
3218 case QEMU_OPTION_rotate:
3219 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3220 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3221 graphic_rotate != 180 && graphic_rotate != 270) {
3222 error_report("only 90, 180, 270 deg rotation is available");
3223 exit(1);
3224 }
3225 break;
3226 case QEMU_OPTION_kernel:
3227 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3228 &error_abort);
3229 break;
3230 case QEMU_OPTION_initrd:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_append:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3236 &error_abort);
3237 break;
3238 case QEMU_OPTION_dtb:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_cdrom:
3243 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3244 break;
3245 case QEMU_OPTION_boot:
3246 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3247 optarg, true);
3248 if (!opts) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_fda:
3253 case QEMU_OPTION_fdb:
3254 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3255 optarg, FD_OPTS);
3256 break;
3257 case QEMU_OPTION_no_fd_bootchk:
3258 fd_bootchk = 0;
3259 break;
3260 case QEMU_OPTION_netdev:
3261 default_net = 0;
3262 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_net:
3267 default_net = 0;
3268 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3269 exit(1);
3270 }
3271 break;
3272 #ifdef CONFIG_LIBISCSI
3273 case QEMU_OPTION_iscsi:
3274 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3275 optarg, false);
3276 if (!opts) {
3277 exit(1);
3278 }
3279 break;
3280 #endif
3281 #ifdef CONFIG_SLIRP
3282 case QEMU_OPTION_tftp:
3283 error_report("The -tftp option is deprecated. "
3284 "Please use '-netdev user,tftp=...' instead.");
3285 legacy_tftp_prefix = optarg;
3286 break;
3287 case QEMU_OPTION_bootp:
3288 error_report("The -bootp option is deprecated. "
3289 "Please use '-netdev user,bootfile=...' instead.");
3290 legacy_bootp_filename = optarg;
3291 break;
3292 case QEMU_OPTION_redir:
3293 error_report("The -redir option is deprecated. "
3294 "Please use '-netdev user,hostfwd=...' instead.");
3295 if (net_slirp_redir(optarg) < 0)
3296 exit(1);
3297 break;
3298 #endif
3299 case QEMU_OPTION_bt:
3300 add_device_config(DEV_BT, optarg);
3301 break;
3302 case QEMU_OPTION_audio_help:
3303 AUD_help ();
3304 exit (0);
3305 break;
3306 case QEMU_OPTION_soundhw:
3307 select_soundhw (optarg);
3308 break;
3309 case QEMU_OPTION_h:
3310 help(0);
3311 break;
3312 case QEMU_OPTION_version:
3313 version();
3314 exit(0);
3315 break;
3316 case QEMU_OPTION_m:
3317 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3318 optarg, true);
3319 if (!opts) {
3320 exit(EXIT_FAILURE);
3321 }
3322 break;
3323 #ifdef CONFIG_TPM
3324 case QEMU_OPTION_tpmdev:
3325 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3326 exit(1);
3327 }
3328 break;
3329 #endif
3330 case QEMU_OPTION_mempath:
3331 mem_path = optarg;
3332 break;
3333 case QEMU_OPTION_mem_prealloc:
3334 mem_prealloc = 1;
3335 break;
3336 case QEMU_OPTION_d:
3337 log_mask = optarg;
3338 break;
3339 case QEMU_OPTION_D:
3340 log_file = optarg;
3341 break;
3342 case QEMU_OPTION_DFILTER:
3343 qemu_set_dfilter_ranges(optarg, &error_fatal);
3344 break;
3345 case QEMU_OPTION_s:
3346 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3347 break;
3348 case QEMU_OPTION_gdb:
3349 add_device_config(DEV_GDB, optarg);
3350 break;
3351 case QEMU_OPTION_L:
3352 if (is_help_option(optarg)) {
3353 list_data_dirs = true;
3354 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3355 data_dir[data_dir_idx++] = optarg;
3356 }
3357 break;
3358 case QEMU_OPTION_bios:
3359 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3360 &error_abort);
3361 break;
3362 case QEMU_OPTION_singlestep:
3363 singlestep = 1;
3364 break;
3365 case QEMU_OPTION_S:
3366 autostart = 0;
3367 break;
3368 case QEMU_OPTION_k:
3369 keyboard_layout = optarg;
3370 break;
3371 case QEMU_OPTION_localtime:
3372 rtc_utc = 0;
3373 break;
3374 case QEMU_OPTION_vga:
3375 vga_model = optarg;
3376 default_vga = 0;
3377 break;
3378 case QEMU_OPTION_g:
3379 {
3380 const char *p;
3381 int w, h, depth;
3382 p = optarg;
3383 w = strtol(p, (char **)&p, 10);
3384 if (w <= 0) {
3385 graphic_error:
3386 error_report("invalid resolution or depth");
3387 exit(1);
3388 }
3389 if (*p != 'x')
3390 goto graphic_error;
3391 p++;
3392 h = strtol(p, (char **)&p, 10);
3393 if (h <= 0)
3394 goto graphic_error;
3395 if (*p == 'x') {
3396 p++;
3397 depth = strtol(p, (char **)&p, 10);
3398 if (depth != 8 && depth != 15 && depth != 16 &&
3399 depth != 24 && depth != 32)
3400 goto graphic_error;
3401 } else if (*p == '\0') {
3402 depth = graphic_depth;
3403 } else {
3404 goto graphic_error;
3405 }
3406
3407 graphic_width = w;
3408 graphic_height = h;
3409 graphic_depth = depth;
3410 }
3411 break;
3412 case QEMU_OPTION_echr:
3413 {
3414 char *r;
3415 term_escape_char = strtol(optarg, &r, 0);
3416 if (r == optarg)
3417 printf("Bad argument to echr\n");
3418 break;
3419 }
3420 case QEMU_OPTION_monitor:
3421 default_monitor = 0;
3422 if (strncmp(optarg, "none", 4)) {
3423 monitor_parse(optarg, "readline", false);
3424 }
3425 break;
3426 case QEMU_OPTION_qmp:
3427 monitor_parse(optarg, "control", false);
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_qmp_pretty:
3431 monitor_parse(optarg, "control", true);
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_mon:
3435 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3436 true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 default_monitor = 0;
3441 break;
3442 case QEMU_OPTION_chardev:
3443 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3444 optarg, true);
3445 if (!opts) {
3446 exit(1);
3447 }
3448 break;
3449 case QEMU_OPTION_fsdev:
3450 olist = qemu_find_opts("fsdev");
3451 if (!olist) {
3452 error_report("fsdev support is disabled");
3453 exit(1);
3454 }
3455 opts = qemu_opts_parse_noisily(olist, optarg, true);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 break;
3460 case QEMU_OPTION_virtfs: {
3461 QemuOpts *fsdev;
3462 QemuOpts *device;
3463 const char *writeout, *sock_fd, *socket;
3464
3465 olist = qemu_find_opts("virtfs");
3466 if (!olist) {
3467 error_report("virtfs support is disabled");
3468 exit(1);
3469 }
3470 opts = qemu_opts_parse_noisily(olist, optarg, true);
3471 if (!opts) {
3472 exit(1);
3473 }
3474
3475 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3476 qemu_opt_get(opts, "mount_tag") == NULL) {
3477 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3478 exit(1);
3479 }
3480 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3481 qemu_opt_get(opts, "mount_tag"),
3482 1, NULL);
3483 if (!fsdev) {
3484 error_report("duplicate fsdev id: %s",
3485 qemu_opt_get(opts, "mount_tag"));
3486 exit(1);
3487 }
3488
3489 writeout = qemu_opt_get(opts, "writeout");
3490 if (writeout) {
3491 #ifdef CONFIG_SYNC_FILE_RANGE
3492 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3493 #else
3494 error_report("writeout=immediate not supported "
3495 "on this platform");
3496 exit(1);
3497 #endif
3498 }
3499 qemu_opt_set(fsdev, "fsdriver",
3500 qemu_opt_get(opts, "fsdriver"), &error_abort);
3501 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3502 &error_abort);
3503 qemu_opt_set(fsdev, "security_model",
3504 qemu_opt_get(opts, "security_model"),
3505 &error_abort);
3506 socket = qemu_opt_get(opts, "socket");
3507 if (socket) {
3508 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3509 }
3510 sock_fd = qemu_opt_get(opts, "sock_fd");
3511 if (sock_fd) {
3512 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3513 }
3514
3515 qemu_opt_set_bool(fsdev, "readonly",
3516 qemu_opt_get_bool(opts, "readonly", 0),
3517 &error_abort);
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3521 qemu_opt_set(device, "fsdev",
3522 qemu_opt_get(opts, "mount_tag"), &error_abort);
3523 qemu_opt_set(device, "mount_tag",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 break;
3526 }
3527 case QEMU_OPTION_virtfs_synth: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530
3531 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3532 1, NULL);
3533 if (!fsdev) {
3534 error_report("duplicate option: %s", "virtfs_synth");
3535 exit(1);
3536 }
3537 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3538
3539 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 &error_abort);
3541 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3542 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3543 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3544 break;
3545 }
3546 case QEMU_OPTION_serial:
3547 add_device_config(DEV_SERIAL, optarg);
3548 default_serial = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_watchdog:
3554 if (watchdog) {
3555 error_report("only one watchdog option may be given");
3556 return 1;
3557 }
3558 watchdog = optarg;
3559 break;
3560 case QEMU_OPTION_watchdog_action:
3561 if (select_watchdog_action(optarg) == -1) {
3562 error_report("unknown -watchdog-action parameter");
3563 exit(1);
3564 }
3565 break;
3566 case QEMU_OPTION_virtiocon:
3567 add_device_config(DEV_VIRTCON, optarg);
3568 default_virtcon = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_parallel:
3574 add_device_config(DEV_PARALLEL, optarg);
3575 default_parallel = 0;
3576 if (strncmp(optarg, "mon:", 4) == 0) {
3577 default_monitor = 0;
3578 }
3579 break;
3580 case QEMU_OPTION_debugcon:
3581 add_device_config(DEV_DEBUGCON, optarg);
3582 break;
3583 case QEMU_OPTION_loadvm:
3584 loadvm = optarg;
3585 break;
3586 case QEMU_OPTION_full_screen:
3587 full_screen = 1;
3588 break;
3589 case QEMU_OPTION_no_frame:
3590 no_frame = 1;
3591 break;
3592 case QEMU_OPTION_alt_grab:
3593 alt_grab = 1;
3594 break;
3595 case QEMU_OPTION_ctrl_grab:
3596 ctrl_grab = 1;
3597 break;
3598 case QEMU_OPTION_no_quit:
3599 no_quit = 1;
3600 break;
3601 case QEMU_OPTION_sdl:
3602 #ifdef CONFIG_SDL
3603 display_type = DT_SDL;
3604 break;
3605 #else
3606 error_report("SDL support is disabled");
3607 exit(1);
3608 #endif
3609 case QEMU_OPTION_pidfile:
3610 pid_file = optarg;
3611 break;
3612 case QEMU_OPTION_win2k_hack:
3613 win2k_install_hack = 1;
3614 break;
3615 case QEMU_OPTION_rtc_td_hack: {
3616 static GlobalProperty slew_lost_ticks = {
3617 .driver = "mc146818rtc",
3618 .property = "lost_tick_policy",
3619 .value = "slew",
3620 };
3621
3622 qdev_prop_register_global(&slew_lost_ticks);
3623 break;
3624 }
3625 case QEMU_OPTION_acpitable:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3627 optarg, true);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 do_acpitable_option(opts);
3632 break;
3633 case QEMU_OPTION_smbios:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3635 optarg, false);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 do_smbios_option(opts);
3640 break;
3641 case QEMU_OPTION_fwcfg:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3643 optarg, true);
3644 if (opts == NULL) {
3645 exit(1);
3646 }
3647 break;
3648 case QEMU_OPTION_enable_kvm:
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3651 break;
3652 case QEMU_OPTION_M:
3653 case QEMU_OPTION_machine:
3654 olist = qemu_find_opts("machine");
3655 opts = qemu_opts_parse_noisily(olist, optarg, true);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_no_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3663 break;
3664 case QEMU_OPTION_no_kvm_pit: {
3665 error_report("warning: ignoring deprecated option");
3666 break;
3667 }
3668 case QEMU_OPTION_no_kvm_pit_reinjection: {
3669 static GlobalProperty kvm_pit_lost_tick_policy = {
3670 .driver = "kvm-pit",
3671 .property = "lost_tick_policy",
3672 .value = "discard",
3673 };
3674
3675 error_report("warning: deprecated, replaced by "
3676 "-global kvm-pit.lost_tick_policy=discard");
3677 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3678 break;
3679 }
3680 case QEMU_OPTION_usb:
3681 olist = qemu_find_opts("machine");
3682 qemu_opts_parse_noisily(olist, "usb=on", false);
3683 break;
3684 case QEMU_OPTION_usbdevice:
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "usb=on", false);
3687 add_device_config(DEV_USB, optarg);
3688 break;
3689 case QEMU_OPTION_device:
3690 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3691 optarg, true)) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_smp:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_vnc:
3702 vnc_parse(optarg, &error_fatal);
3703 break;
3704 case QEMU_OPTION_no_acpi:
3705 acpi_enabled = 0;
3706 break;
3707 case QEMU_OPTION_no_hpet:
3708 no_hpet = 1;
3709 break;
3710 case QEMU_OPTION_balloon:
3711 if (balloon_parse(optarg) < 0) {
3712 error_report("unknown -balloon argument %s", optarg);
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_no_reboot:
3717 no_reboot = 1;
3718 break;
3719 case QEMU_OPTION_no_shutdown:
3720 no_shutdown = 1;
3721 break;
3722 case QEMU_OPTION_show_cursor:
3723 cursor_hide = 0;
3724 break;
3725 case QEMU_OPTION_uuid:
3726 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3727 error_report("failed to parse UUID string: wrong format");
3728 exit(1);
3729 }
3730 qemu_uuid_set = true;
3731 break;
3732 case QEMU_OPTION_option_rom:
3733 if (nb_option_roms >= MAX_OPTION_ROMS) {
3734 error_report("too many option ROMs");
3735 exit(1);
3736 }
3737 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3738 optarg, true);
3739 if (!opts) {
3740 exit(1);
3741 }
3742 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3743 option_rom[nb_option_roms].bootindex =
3744 qemu_opt_get_number(opts, "bootindex", -1);
3745 if (!option_rom[nb_option_roms].name) {
3746 error_report("Option ROM file is not specified");
3747 exit(1);
3748 }
3749 nb_option_roms++;
3750 break;
3751 case QEMU_OPTION_semihosting:
3752 semihosting.enabled = true;
3753 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3754 break;
3755 case QEMU_OPTION_semihosting_config:
3756 semihosting.enabled = true;
3757 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3758 optarg, false);
3759 if (opts != NULL) {
3760 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3761 true);
3762 const char *target = qemu_opt_get(opts, "target");
3763 if (target != NULL) {
3764 if (strcmp("native", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3766 } else if (strcmp("gdb", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_GDB;
3768 } else if (strcmp("auto", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3770 } else {
3771 error_report("unsupported semihosting-config %s",
3772 optarg);
3773 exit(1);
3774 }
3775 } else {
3776 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3777 }
3778 /* Set semihosting argument count and vector */
3779 qemu_opt_foreach(opts, add_semihosting_arg,
3780 &semihosting, NULL);
3781 } else {
3782 error_report("unsupported semihosting-config %s", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_tdf:
3787 error_report("warning: ignoring deprecated option");
3788 break;
3789 case QEMU_OPTION_name:
3790 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3791 optarg, true);
3792 if (!opts) {
3793 exit(1);
3794 }
3795 break;
3796 case QEMU_OPTION_prom_env:
3797 if (nb_prom_envs >= MAX_PROM_ENVS) {
3798 error_report("too many prom variables");
3799 exit(1);
3800 }
3801 prom_envs[nb_prom_envs] = optarg;
3802 nb_prom_envs++;
3803 break;
3804 case QEMU_OPTION_old_param:
3805 old_param = 1;
3806 break;
3807 case QEMU_OPTION_clock:
3808 /* Clock options no longer exist. Keep this option for
3809 * backward compatibility.
3810 */
3811 break;
3812 case QEMU_OPTION_startdate:
3813 configure_rtc_date_offset(optarg, 1);
3814 break;
3815 case QEMU_OPTION_rtc:
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3817 false);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 configure_rtc(opts);
3822 break;
3823 case QEMU_OPTION_tb_size:
3824 tcg_tb_size = strtol(optarg, NULL, 0);
3825 if (tcg_tb_size < 0) {
3826 tcg_tb_size = 0;
3827 }
3828 break;
3829 case QEMU_OPTION_icount:
3830 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3831 optarg, true);
3832 if (!icount_opts) {
3833 exit(1);
3834 }
3835 break;
3836 case QEMU_OPTION_incoming:
3837 if (!incoming) {
3838 runstate_set(RUN_STATE_INMIGRATE);
3839 }
3840 incoming = optarg;
3841 break;
3842 case QEMU_OPTION_nodefaults:
3843 has_defaults = 0;
3844 break;
3845 case QEMU_OPTION_xen_domid:
3846 if (!(xen_available())) {
3847 error_report("Option not supported for this target");
3848 exit(1);
3849 }
3850 xen_domid = atoi(optarg);
3851 break;
3852 case QEMU_OPTION_xen_create:
3853 if (!(xen_available())) {
3854 error_report("Option not supported for this target");
3855 exit(1);
3856 }
3857 xen_mode = XEN_CREATE;
3858 break;
3859 case QEMU_OPTION_xen_attach:
3860 if (!(xen_available())) {
3861 error_report("Option not supported for this target");
3862 exit(1);
3863 }
3864 xen_mode = XEN_ATTACH;
3865 break;
3866 case QEMU_OPTION_trace:
3867 {
3868 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3869 optarg, true);
3870 if (!opts) {
3871 exit(1);
3872 }
3873 if (qemu_opt_get(opts, "enable")) {
3874 trace_enable_events(qemu_opt_get(opts, "enable"));
3875 }
3876 trace_init_events(qemu_opt_get(opts, "events"));
3877 if (trace_file) {
3878 g_free(trace_file);
3879 }
3880 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3881 qemu_opts_del(opts);
3882 break;
3883 }
3884 case QEMU_OPTION_readconfig:
3885 {
3886 int ret = qemu_read_config_file(optarg);
3887 if (ret < 0) {
3888 error_report("read config %s: %s", optarg,
3889 strerror(-ret));
3890 exit(1);
3891 }
3892 break;
3893 }
3894 case QEMU_OPTION_spice:
3895 olist = qemu_find_opts("spice");
3896 if (!olist) {
3897 error_report("spice support is disabled");
3898 exit(1);
3899 }
3900 opts = qemu_opts_parse_noisily(olist, optarg, false);
3901 if (!opts) {
3902 exit(1);
3903 }
3904 display_remote++;
3905 break;
3906 case QEMU_OPTION_writeconfig:
3907 {
3908 FILE *fp;
3909 if (strcmp(optarg, "-") == 0) {
3910 fp = stdout;
3911 } else {
3912 fp = fopen(optarg, "w");
3913 if (fp == NULL) {
3914 error_report("open %s: %s", optarg,
3915 strerror(errno));
3916 exit(1);
3917 }
3918 }
3919 qemu_config_write(fp);
3920 if (fp != stdout) {
3921 fclose(fp);
3922 }
3923 break;
3924 }
3925 case QEMU_OPTION_qtest:
3926 qtest_chrdev = optarg;
3927 break;
3928 case QEMU_OPTION_qtest_log:
3929 qtest_log = optarg;
3930 break;
3931 case QEMU_OPTION_sandbox:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3933 optarg, true);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 break;
3938 case QEMU_OPTION_add_fd:
3939 #ifndef _WIN32
3940 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3941 optarg, false);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 #else
3946 error_report("File descriptor passing is disabled on this "
3947 "platform");
3948 exit(1);
3949 #endif
3950 break;
3951 case QEMU_OPTION_object:
3952 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3953 optarg, true);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 break;
3958 case QEMU_OPTION_realtime:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3960 optarg, false);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3965 break;
3966 case QEMU_OPTION_msg:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3968 false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 configure_msg(opts);
3973 break;
3974 case QEMU_OPTION_dump_vmstate:
3975 if (vmstate_dump_file) {
3976 error_report("only one '-dump-vmstate' "
3977 "option may be given");
3978 exit(1);
3979 }
3980 vmstate_dump_file = fopen(optarg, "w");
3981 if (vmstate_dump_file == NULL) {
3982 error_report("open %s: %s", optarg, strerror(errno));
3983 exit(1);
3984 }
3985 break;
3986 default:
3987 os_parse_cmd_args(popt->index, optarg);
3988 }
3989 }
3990 }
3991 /*
3992 * Clear error location left behind by the loop.
3993 * Best done right after the loop. Do not insert code here!
3994 */
3995 loc_set_none();
3996
3997 replay_configure(icount_opts);
3998
3999 machine_class = select_machine();
4000
4001 set_memory_options(&ram_slots, &maxram_size, machine_class);
4002
4003 os_daemonize();
4004
4005 if (qemu_init_main_loop(&main_loop_err)) {
4006 error_report_err(main_loop_err);
4007 exit(1);
4008 }
4009
4010 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4011 parse_sandbox, NULL, NULL)) {
4012 exit(1);
4013 }
4014
4015 if (qemu_opts_foreach(qemu_find_opts("name"),
4016 parse_name, NULL, NULL)) {
4017 exit(1);
4018 }
4019
4020 #ifndef _WIN32
4021 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4022 parse_add_fd, NULL, NULL)) {
4023 exit(1);
4024 }
4025
4026 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4027 cleanup_add_fd, NULL, NULL)) {
4028 exit(1);
4029 }
4030 #endif
4031
4032 current_machine = MACHINE(object_new(object_class_get_name(
4033 OBJECT_CLASS(machine_class))));
4034 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4035 exit(0);
4036 }
4037 object_property_add_child(object_get_root(), "machine",
4038 OBJECT(current_machine), &error_abort);
4039 cpu_exec_init_all();
4040
4041 if (machine_class->hw_version) {
4042 qemu_set_hw_version(machine_class->hw_version);
4043 }
4044
4045 if (cpu_model && is_help_option(cpu_model)) {
4046 list_cpus(stdout, &fprintf, cpu_model);
4047 exit(0);
4048 }
4049
4050 if (!trace_init_backends()) {
4051 exit(1);
4052 }
4053 trace_init_file(trace_file);
4054
4055 /* Open the logfile at this point and set the log mask if necessary.
4056 */
4057 if (log_file) {
4058 qemu_set_log_filename(log_file, &error_fatal);
4059 }
4060
4061 if (log_mask) {
4062 int mask;
4063 mask = qemu_str_to_log_mask(log_mask);
4064 if (!mask) {
4065 qemu_print_log_usage(stdout);
4066 exit(1);
4067 }
4068 qemu_set_log(mask);
4069 } else {
4070 qemu_set_log(0);
4071 }
4072
4073 /* If no data_dir is specified then try to find it relative to the
4074 executable path. */
4075 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4076 data_dir[data_dir_idx] = os_find_datadir();
4077 if (data_dir[data_dir_idx] != NULL) {
4078 data_dir_idx++;
4079 }
4080 }
4081 /* If all else fails use the install path specified when building. */
4082 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4083 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4084 }
4085
4086 /* -L help lists the data directories and exits. */
4087 if (list_data_dirs) {
4088 for (i = 0; i < data_dir_idx; i++) {
4089 printf("%s\n", data_dir[i]);
4090 }
4091 exit(0);
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 #else
4221 display_type = DT_NONE;
4222 #endif
4223 }
4224
4225 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4226 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4227 "for SDL, ignoring option");
4228 }
4229 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4230 error_report("-no-quit is only valid for GTK and SDL, "
4231 "ignoring option");
4232 }
4233
4234 if (display_type == DT_GTK) {
4235 early_gtk_display_init(request_opengl);
4236 }
4237
4238 if (display_type == DT_SDL) {
4239 sdl_display_early_init(request_opengl);
4240 }
4241
4242 if (request_opengl == 1 && display_opengl == 0) {
4243 #if defined(CONFIG_OPENGL)
4244 error_report("OpenGL is not supported by the display");
4245 #else
4246 error_report("OpenGL support is disabled");
4247 #endif
4248 exit(1);
4249 }
4250
4251 page_size_init();
4252 socket_init();
4253
4254 if (qemu_opts_foreach(qemu_find_opts("object"),
4255 user_creatable_add_opts_foreach,
4256 object_create_initial, NULL)) {
4257 exit(1);
4258 }
4259
4260 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4261 chardev_init_func, NULL, NULL)) {
4262 exit(1);
4263 }
4264
4265 #ifdef CONFIG_VIRTFS
4266 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4267 fsdev_init_func, NULL, NULL)) {
4268 exit(1);
4269 }
4270 #endif
4271
4272 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4273 error_report("could not acquire pid file: %s", strerror(errno));
4274 exit(1);
4275 }
4276
4277 if (qemu_opts_foreach(qemu_find_opts("device"),
4278 device_help_func, NULL, NULL)) {
4279 exit(0);
4280 }
4281
4282 machine_opts = qemu_get_machine_opts();
4283 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4284 NULL)) {
4285 object_unref(OBJECT(current_machine));
4286 exit(1);
4287 }
4288
4289 configure_accelerator(current_machine);
4290
4291 if (qtest_chrdev) {
4292 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4293 }
4294
4295 machine_opts = qemu_get_machine_opts();
4296 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4297 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4298 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4299 bios_name = qemu_opt_get(machine_opts, "firmware");
4300
4301 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4302 if (opts) {
4303 boot_order = qemu_opt_get(opts, "order");
4304 if (boot_order) {
4305 validate_bootdevices(boot_order, &error_fatal);
4306 }
4307
4308 boot_once = qemu_opt_get(opts, "once");
4309 if (boot_once) {
4310 validate_bootdevices(boot_once, &error_fatal);
4311 }
4312
4313 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4314 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4315 }
4316
4317 if (!boot_order) {
4318 boot_order = machine_class->default_boot_order;
4319 }
4320
4321 if (!kernel_cmdline) {
4322 kernel_cmdline = "";
4323 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4324 }
4325
4326 linux_boot = (kernel_filename != NULL);
4327
4328 if (!linux_boot && *kernel_cmdline != '\0') {
4329 error_report("-append only allowed with -kernel option");
4330 exit(1);
4331 }
4332
4333 if (!linux_boot && initrd_filename != NULL) {
4334 error_report("-initrd only allowed with -kernel option");
4335 exit(1);
4336 }
4337
4338 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4339 error_report("-dtb only allowed with -kernel option");
4340 exit(1);
4341 }
4342
4343 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4344 /* fall back to the -kernel/-append */
4345 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4346 }
4347
4348 os_set_line_buffering();
4349
4350 /* spice needs the timers to be initialized by this point */
4351 qemu_spice_init();
4352
4353 cpu_ticks_init();
4354 if (icount_opts) {
4355 if (kvm_enabled() || xen_enabled()) {
4356 error_report("-icount is not allowed with kvm or xen");
4357 exit(1);
4358 }
4359 configure_icount(icount_opts, &error_abort);
4360 qemu_opts_del(icount_opts);
4361 }
4362
4363 /* clean up network at qemu process termination */
4364 atexit(&net_cleanup);
4365
4366 if (default_net) {
4367 QemuOptsList *net = qemu_find_opts("net");
4368 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4369 #ifdef CONFIG_SLIRP
4370 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4371 #endif
4372 }
4373
4374 if (net_init_clients() < 0) {
4375 exit(1);
4376 }
4377
4378 if (qemu_opts_foreach(qemu_find_opts("object"),
4379 user_creatable_add_opts_foreach,
4380 object_create_delayed, NULL)) {
4381 exit(1);
4382 }
4383
4384 #ifdef CONFIG_TPM
4385 if (tpm_init() < 0) {
4386 exit(1);
4387 }
4388 #endif
4389
4390 /* init the bluetooth world */
4391 if (foreach_device_config(DEV_BT, bt_parse))
4392 exit(1);
4393
4394 if (!xen_enabled()) {
4395 /* On 32-bit hosts, QEMU is limited by virtual address space */
4396 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4397 error_report("at most 2047 MB RAM can be simulated");
4398 exit(1);
4399 }
4400 }
4401
4402 blk_mig_init();
4403 ram_mig_init();
4404
4405 /* If the currently selected machine wishes to override the units-per-bus
4406 * property of its default HBA interface type, do so now. */
4407 if (machine_class->units_per_default_bus) {
4408 override_max_devs(machine_class->block_default_type,
4409 machine_class->units_per_default_bus);
4410 }
4411
4412 /* open the virtual block devices */
4413 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4414 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4415 NULL, NULL);
4416 }
4417 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4418 &machine_class->block_default_type, NULL)) {
4419 exit(1);
4420 }
4421
4422 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4423 CDROM_OPTS);
4424 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4425 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4426
4427 parse_numa_opts(machine_class);
4428
4429 if (qemu_opts_foreach(qemu_find_opts("mon"),
4430 mon_init_func, NULL, NULL)) {
4431 exit(1);
4432 }
4433
4434 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4435 exit(1);
4436 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4437 exit(1);
4438 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4439 exit(1);
4440 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4441 exit(1);
4442 }
4443 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4444 exit(1);
4445
4446 /* If no default VGA is requested, the default is "none". */
4447 if (default_vga) {
4448 if (machine_class->default_display) {
4449 vga_model = machine_class->default_display;
4450 } else if (vga_interface_available(VGA_CIRRUS)) {
4451 vga_model = "cirrus";
4452 } else if (vga_interface_available(VGA_STD)) {
4453 vga_model = "std";
4454 }
4455 }
4456 if (vga_model) {
4457 select_vgahw(vga_model);
4458 }
4459
4460 if (watchdog) {
4461 i = select_watchdog(watchdog);
4462 if (i > 0)
4463 exit (i == 1 ? 1 : 0);
4464 }
4465
4466 if (machine_class->compat_props) {
4467 GlobalProperty *p;
4468 for (i = 0; i < machine_class->compat_props->len; i++) {
4469 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4470 qdev_prop_register_global(p);
4471 }
4472 }
4473 qemu_add_globals();
4474
4475 /* This checkpoint is required by replay to separate prior clock
4476 reading from the other reads, because timer polling functions query
4477 clock values from the log. */
4478 replay_checkpoint(CHECKPOINT_INIT);
4479 qdev_machine_init();
4480
4481 current_machine->ram_size = ram_size;
4482 current_machine->maxram_size = maxram_size;
4483 current_machine->ram_slots = ram_slots;
4484 current_machine->boot_order = boot_order;
4485 current_machine->cpu_model = cpu_model;
4486
4487 machine_class->init(current_machine);
4488
4489 realtime_init();
4490
4491 audio_init();
4492
4493 cpu_synchronize_all_post_init();
4494
4495 numa_post_machine_init();
4496
4497 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4498 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4499 exit(1);
4500 }
4501
4502 /* init USB devices */
4503 if (machine_usb(current_machine)) {
4504 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4505 exit(1);
4506 }
4507
4508 /* Check if IGD GFX passthrough. */
4509 igd_gfx_passthru();
4510
4511 /* init generic devices */
4512 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4513 if (qemu_opts_foreach(qemu_find_opts("device"),
4514 device_init_func, NULL, NULL)) {
4515 exit(1);
4516 }
4517 rom_reset_order_override();
4518
4519 /* Did we create any drives that we failed to create a device for? */
4520 drive_check_orphaned();
4521
4522 /* Don't warn about the default network setup that you get if
4523 * no command line -net or -netdev options are specified. There
4524 * are two cases that we would otherwise complain about:
4525 * (1) board doesn't support a NIC but the implicit "-net nic"
4526 * requested one
4527 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4528 * sets up a nic that isn't connected to anything.
4529 */
4530 if (!default_net) {
4531 net_check_clients();
4532 }
4533
4534
4535 if (boot_once) {
4536 qemu_boot_set(boot_once, &error_fatal);
4537 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4538 }
4539
4540 ds = init_displaystate();
4541
4542 /* init local displays */
4543 switch (display_type) {
4544 case DT_CURSES:
4545 curses_display_init(ds, full_screen);
4546 break;
4547 case DT_SDL:
4548 sdl_display_init(ds, full_screen, no_frame);
4549 break;
4550 case DT_COCOA:
4551 cocoa_display_init(ds, full_screen);
4552 break;
4553 case DT_GTK:
4554 gtk_display_init(ds, full_screen, grab_on_hover);
4555 break;
4556 default:
4557 break;
4558 }
4559
4560 /* must be after terminal init, SDL library changes signal handlers */
4561 os_setup_signal_handling();
4562
4563 /* init remote displays */
4564 #ifdef CONFIG_VNC
4565 qemu_opts_foreach(qemu_find_opts("vnc"),
4566 vnc_init_func, NULL, NULL);
4567 #endif
4568
4569 if (using_spice) {
4570 qemu_spice_display_init();
4571 }
4572
4573 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4574 exit(1);
4575 }
4576
4577 qdev_machine_creation_done();
4578
4579 /* TODO: once all bus devices are qdevified, this should be done
4580 * when bus is created by qdev.c */
4581 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4582 qemu_run_machine_init_done_notifiers();
4583
4584 if (rom_check_and_register_reset() != 0) {
4585 error_report("rom check and register reset failed");
4586 exit(1);
4587 }
4588
4589 replay_start();
4590
4591 /* This checkpoint is required by replay to separate prior clock
4592 reading from the other reads, because timer polling functions query
4593 clock values from the log. */
4594 replay_checkpoint(CHECKPOINT_RESET);
4595 qemu_system_reset(VMRESET_SILENT);
4596 register_global_state();
4597 if (loadvm) {
4598 if (load_vmstate(loadvm) < 0) {
4599 autostart = 0;
4600 }
4601 }
4602
4603 qdev_prop_check_globals();
4604 if (vmstate_dump_file) {
4605 /* dump and exit */
4606 dump_vmstate_json_to_file(vmstate_dump_file);
4607 return 0;
4608 }
4609
4610 if (incoming) {
4611 Error *local_err = NULL;
4612 qemu_start_incoming_migration(incoming, &local_err);
4613 if (local_err) {
4614 error_reportf_err(local_err, "-incoming %s: ", incoming);
4615 exit(1);
4616 }
4617 } else if (autostart) {
4618 vm_start();
4619 }
4620
4621 os_setup_post();
4622
4623 main_loop();
4624 replay_disable_events();
4625
4626 bdrv_close_all();
4627 pause_all_vcpus();
4628 res_free();
4629 #ifdef CONFIG_TPM
4630 tpm_cleanup();
4631 #endif
4632
4633 return 0;
4634 }
AR7 emulation for QEMU