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1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28
29 #ifdef CONFIG_SECCOMP
30 #include "sysemu/seccomp.h"
31 #endif
32
33 #if defined(CONFIG_VDE)
34 #include <libvdeplug.h>
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 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 } else if (threads == 0) {
1238 threads = cpus / (cores * sockets);
1239 } else if (sockets * cores * threads < cpus) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) < "
1242 "smp_cpus (%u)",
1243 sockets, cores, threads, cpus);
1244 exit(1);
1245 }
1246
1247 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1248
1249 if (max_cpus > MAX_CPUMASK_BITS) {
1250 error_report("unsupported number of maxcpus");
1251 exit(1);
1252 }
1253
1254 if (max_cpus < cpus) {
1255 error_report("maxcpus must be equal to or greater than smp");
1256 exit(1);
1257 }
1258
1259 if (sockets * cores * threads > max_cpus) {
1260 error_report("cpu topology: "
1261 "sockets (%u) * cores (%u) * threads (%u) > "
1262 "maxcpus (%u)",
1263 sockets, cores, threads, max_cpus);
1264 exit(1);
1265 }
1266
1267 smp_cpus = cpus;
1268 smp_cores = cores;
1269 smp_threads = threads;
1270 }
1271
1272 if (smp_cpus > 1) {
1273 Error *blocker = NULL;
1274 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1275 replay_add_blocker(blocker);
1276 }
1277 }
1278
1279 static void realtime_init(void)
1280 {
1281 if (enable_mlock) {
1282 if (os_mlock() < 0) {
1283 error_report("locking memory failed");
1284 exit(1);
1285 }
1286 }
1287 }
1288
1289
1290 static void configure_msg(QemuOpts *opts)
1291 {
1292 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1293 }
1294
1295 /***********************************************************/
1296 /* Semihosting */
1297
1298 typedef struct SemihostingConfig {
1299 bool enabled;
1300 SemihostingTarget target;
1301 const char **argv;
1302 int argc;
1303 const char *cmdline; /* concatenated argv */
1304 } SemihostingConfig;
1305
1306 static SemihostingConfig semihosting;
1307
1308 bool semihosting_enabled(void)
1309 {
1310 return semihosting.enabled;
1311 }
1312
1313 SemihostingTarget semihosting_get_target(void)
1314 {
1315 return semihosting.target;
1316 }
1317
1318 const char *semihosting_get_arg(int i)
1319 {
1320 if (i >= semihosting.argc) {
1321 return NULL;
1322 }
1323 return semihosting.argv[i];
1324 }
1325
1326 int semihosting_get_argc(void)
1327 {
1328 return semihosting.argc;
1329 }
1330
1331 const char *semihosting_get_cmdline(void)
1332 {
1333 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1334 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1335 }
1336 return semihosting.cmdline;
1337 }
1338
1339 static int add_semihosting_arg(void *opaque,
1340 const char *name, const char *val,
1341 Error **errp)
1342 {
1343 SemihostingConfig *s = opaque;
1344 if (strcmp(name, "arg") == 0) {
1345 s->argc++;
1346 /* one extra element as g_strjoinv() expects NULL-terminated array */
1347 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1348 s->argv[s->argc - 1] = val;
1349 s->argv[s->argc] = NULL;
1350 }
1351 return 0;
1352 }
1353
1354 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1355 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1356 {
1357 char *cmd_token;
1358
1359 /* argv[0] */
1360 add_semihosting_arg(&semihosting, "arg", file, NULL);
1361
1362 /* split -append and initialize argv[1..n] */
1363 cmd_token = strtok(g_strdup(cmd), " ");
1364 while (cmd_token) {
1365 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1366 cmd_token = strtok(NULL, " ");
1367 }
1368 }
1369
1370 /* Now we still need this for compatibility with XEN. */
1371 bool has_igd_gfx_passthru;
1372 static void igd_gfx_passthru(void)
1373 {
1374 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1375 }
1376
1377 /***********************************************************/
1378 /* USB devices */
1379
1380 static int usb_device_add(const char *devname)
1381 {
1382 USBDevice *dev = NULL;
1383 #ifndef CONFIG_LINUX
1384 const char *p;
1385 #endif
1386
1387 if (!machine_usb(current_machine)) {
1388 return -1;
1389 }
1390
1391 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1392 dev = usbdevice_create(devname);
1393 if (dev)
1394 goto done;
1395
1396 /* the other ones */
1397 #ifndef CONFIG_LINUX
1398 /* only the linux version is qdev-ified, usb-bsd still needs this */
1399 if (strstart(devname, "host:", &p)) {
1400 dev = usb_host_device_open(usb_bus_find(-1), p);
1401 }
1402 #endif
1403 if (!dev)
1404 return -1;
1405
1406 done:
1407 return 0;
1408 }
1409
1410 static int usb_device_del(const char *devname)
1411 {
1412 int bus_num, addr;
1413 const char *p;
1414
1415 if (strstart(devname, "host:", &p)) {
1416 return -1;
1417 }
1418
1419 if (!machine_usb(current_machine)) {
1420 return -1;
1421 }
1422
1423 p = strchr(devname, '.');
1424 if (!p)
1425 return -1;
1426 bus_num = strtoul(devname, NULL, 0);
1427 addr = strtoul(p + 1, NULL, 0);
1428
1429 return usb_device_delete_addr(bus_num, addr);
1430 }
1431
1432 static int usb_parse(const char *cmdline)
1433 {
1434 int r;
1435 r = usb_device_add(cmdline);
1436 if (r < 0) {
1437 error_report("could not add USB device '%s'", cmdline);
1438 }
1439 return r;
1440 }
1441
1442 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1443 {
1444 const char *devname = qdict_get_str(qdict, "devname");
1445 if (usb_device_add(devname) < 0) {
1446 error_report("could not add USB device '%s'", devname);
1447 }
1448 }
1449
1450 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1451 {
1452 const char *devname = qdict_get_str(qdict, "devname");
1453 if (usb_device_del(devname) < 0) {
1454 error_report("could not delete USB device '%s'", devname);
1455 }
1456 }
1457
1458 /***********************************************************/
1459 /* machine registration */
1460
1461 MachineState *current_machine;
1462
1463 static MachineClass *find_machine(const char *name)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineClass *mc = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *temp = el->data;
1470
1471 if (!strcmp(temp->name, name)) {
1472 mc = temp;
1473 break;
1474 }
1475 if (temp->alias &&
1476 !strcmp(temp->alias, name)) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineClass *find_default_machine(void)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineClass *mc = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *temp = el->data;
1493
1494 if (temp->is_default) {
1495 mc = temp;
1496 break;
1497 }
1498 }
1499
1500 g_slist_free(machines);
1501 return mc;
1502 }
1503
1504 MachineInfoList *qmp_query_machines(Error **errp)
1505 {
1506 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1507 MachineInfoList *mach_list = NULL;
1508
1509 for (el = machines; el; el = el->next) {
1510 MachineClass *mc = el->data;
1511 MachineInfoList *entry;
1512 MachineInfo *info;
1513
1514 info = g_malloc0(sizeof(*info));
1515 if (mc->is_default) {
1516 info->has_is_default = true;
1517 info->is_default = true;
1518 }
1519
1520 if (mc->alias) {
1521 info->has_alias = true;
1522 info->alias = g_strdup(mc->alias);
1523 }
1524
1525 info->name = g_strdup(mc->name);
1526 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1527
1528 entry = g_malloc0(sizeof(*entry));
1529 entry->value = info;
1530 entry->next = mach_list;
1531 mach_list = entry;
1532 }
1533
1534 g_slist_free(machines);
1535 return mach_list;
1536 }
1537
1538 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1539 {
1540 ObjectProperty *prop;
1541 ObjectPropertyIterator iter;
1542
1543 if (!qemu_opt_has_help_opt(opts)) {
1544 return 0;
1545 }
1546
1547 object_property_iter_init(&iter, OBJECT(machine));
1548 while ((prop = object_property_iter_next(&iter))) {
1549 if (!prop->set) {
1550 continue;
1551 }
1552
1553 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1554 prop->name, prop->type);
1555 if (prop->description) {
1556 error_printf(" (%s)\n", prop->description);
1557 } else {
1558 error_printf("\n");
1559 }
1560 }
1561
1562 return 1;
1563 }
1564
1565 /***********************************************************/
1566 /* main execution loop */
1567
1568 struct vm_change_state_entry {
1569 VMChangeStateHandler *cb;
1570 void *opaque;
1571 QLIST_ENTRY (vm_change_state_entry) entries;
1572 };
1573
1574 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1575
1576 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1577 void *opaque)
1578 {
1579 VMChangeStateEntry *e;
1580
1581 e = g_malloc0(sizeof (*e));
1582
1583 e->cb = cb;
1584 e->opaque = opaque;
1585 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1586 return e;
1587 }
1588
1589 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1590 {
1591 QLIST_REMOVE (e, entries);
1592 g_free (e);
1593 }
1594
1595 void vm_state_notify(int running, RunState state)
1596 {
1597 VMChangeStateEntry *e, *next;
1598
1599 trace_vm_state_notify(running, state);
1600
1601 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1602 e->cb(e->opaque, running, state);
1603 }
1604 }
1605
1606 /* reset/shutdown handler */
1607
1608 typedef struct QEMUResetEntry {
1609 QTAILQ_ENTRY(QEMUResetEntry) entry;
1610 QEMUResetHandler *func;
1611 void *opaque;
1612 } QEMUResetEntry;
1613
1614 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1615 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1616 static int reset_requested;
1617 static int shutdown_requested, shutdown_signal = -1;
1618 static pid_t shutdown_pid;
1619 static int powerdown_requested;
1620 static int debug_requested;
1621 static int suspend_requested;
1622 static WakeupReason wakeup_reason;
1623 static NotifierList powerdown_notifiers =
1624 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1625 static NotifierList suspend_notifiers =
1626 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1627 static NotifierList wakeup_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1629 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1630
1631 int qemu_shutdown_requested_get(void)
1632 {
1633 return shutdown_requested;
1634 }
1635
1636 int qemu_reset_requested_get(void)
1637 {
1638 return reset_requested;
1639 }
1640
1641 static int qemu_shutdown_requested(void)
1642 {
1643 return atomic_xchg(&shutdown_requested, 0);
1644 }
1645
1646 static void qemu_kill_report(void)
1647 {
1648 if (!qtest_driver() && shutdown_signal != -1) {
1649 if (shutdown_pid == 0) {
1650 /* This happens for eg ^C at the terminal, so it's worth
1651 * avoiding printing an odd message in that case.
1652 */
1653 error_report("terminating on signal %d", shutdown_signal);
1654 } else {
1655 error_report("terminating on signal %d from pid " FMT_pid,
1656 shutdown_signal, shutdown_pid);
1657 }
1658 shutdown_signal = -1;
1659 }
1660 }
1661
1662 static int qemu_reset_requested(void)
1663 {
1664 int r = reset_requested;
1665 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1666 reset_requested = 0;
1667 return r;
1668 }
1669 return false;
1670 }
1671
1672 static int qemu_suspend_requested(void)
1673 {
1674 int r = suspend_requested;
1675 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1676 suspend_requested = 0;
1677 return r;
1678 }
1679 return false;
1680 }
1681
1682 static WakeupReason qemu_wakeup_requested(void)
1683 {
1684 return wakeup_reason;
1685 }
1686
1687 static int qemu_powerdown_requested(void)
1688 {
1689 int r = powerdown_requested;
1690 powerdown_requested = 0;
1691 return r;
1692 }
1693
1694 static int qemu_debug_requested(void)
1695 {
1696 int r = debug_requested;
1697 debug_requested = 0;
1698 return r;
1699 }
1700
1701 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1702 {
1703 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1704
1705 re->func = func;
1706 re->opaque = opaque;
1707 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1708 }
1709
1710 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re;
1713
1714 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1715 if (re->func == func && re->opaque == opaque) {
1716 QTAILQ_REMOVE(&reset_handlers, re, entry);
1717 g_free(re);
1718 return;
1719 }
1720 }
1721 }
1722
1723 void qemu_devices_reset(void)
1724 {
1725 QEMUResetEntry *re, *nre;
1726
1727 /* reset all devices */
1728 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1729 re->func(re->opaque);
1730 }
1731 }
1732
1733 void qemu_system_reset(bool report)
1734 {
1735 MachineClass *mc;
1736
1737 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1738
1739 cpu_synchronize_all_states();
1740
1741 if (mc && mc->reset) {
1742 mc->reset();
1743 } else {
1744 qemu_devices_reset();
1745 }
1746 if (report) {
1747 qapi_event_send_reset(&error_abort);
1748 }
1749 cpu_synchronize_all_post_reset();
1750 }
1751
1752 void qemu_system_guest_panicked(void)
1753 {
1754 if (current_cpu) {
1755 current_cpu->crash_occurred = true;
1756 }
1757 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1758 vm_stop(RUN_STATE_GUEST_PANICKED);
1759 }
1760
1761 void qemu_system_reset_request(void)
1762 {
1763 if (no_reboot) {
1764 shutdown_requested = 1;
1765 } else {
1766 reset_requested = 1;
1767 }
1768 cpu_stop_current();
1769 qemu_notify_event();
1770 }
1771
1772 static void qemu_system_suspend(void)
1773 {
1774 pause_all_vcpus();
1775 notifier_list_notify(&suspend_notifiers, NULL);
1776 runstate_set(RUN_STATE_SUSPENDED);
1777 qapi_event_send_suspend(&error_abort);
1778 }
1779
1780 void qemu_system_suspend_request(void)
1781 {
1782 if (runstate_check(RUN_STATE_SUSPENDED)) {
1783 return;
1784 }
1785 suspend_requested = 1;
1786 cpu_stop_current();
1787 qemu_notify_event();
1788 }
1789
1790 void qemu_register_suspend_notifier(Notifier *notifier)
1791 {
1792 notifier_list_add(&suspend_notifiers, notifier);
1793 }
1794
1795 void qemu_system_wakeup_request(WakeupReason reason)
1796 {
1797 trace_system_wakeup_request(reason);
1798
1799 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1800 return;
1801 }
1802 if (!(wakeup_reason_mask & (1 << reason))) {
1803 return;
1804 }
1805 runstate_set(RUN_STATE_RUNNING);
1806 wakeup_reason = reason;
1807 qemu_notify_event();
1808 }
1809
1810 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1811 {
1812 if (enabled) {
1813 wakeup_reason_mask |= (1 << reason);
1814 } else {
1815 wakeup_reason_mask &= ~(1 << reason);
1816 }
1817 }
1818
1819 void qemu_register_wakeup_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&wakeup_notifiers, notifier);
1822 }
1823
1824 void qemu_system_killed(int signal, pid_t pid)
1825 {
1826 shutdown_signal = signal;
1827 shutdown_pid = pid;
1828 no_shutdown = 0;
1829
1830 /* Cannot call qemu_system_shutdown_request directly because
1831 * we are in a signal handler.
1832 */
1833 shutdown_requested = 1;
1834 qemu_notify_event();
1835 }
1836
1837 void qemu_system_shutdown_request(void)
1838 {
1839 trace_qemu_system_shutdown_request();
1840 replay_shutdown_request();
1841 shutdown_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 static void qemu_system_powerdown(void)
1846 {
1847 qapi_event_send_powerdown(&error_abort);
1848 notifier_list_notify(&powerdown_notifiers, NULL);
1849 }
1850
1851 void qemu_system_powerdown_request(void)
1852 {
1853 trace_qemu_system_powerdown_request();
1854 powerdown_requested = 1;
1855 qemu_notify_event();
1856 }
1857
1858 void qemu_register_powerdown_notifier(Notifier *notifier)
1859 {
1860 notifier_list_add(&powerdown_notifiers, notifier);
1861 }
1862
1863 void qemu_system_debug_request(void)
1864 {
1865 debug_requested = 1;
1866 qemu_notify_event();
1867 }
1868
1869 static bool main_loop_should_exit(void)
1870 {
1871 RunState r;
1872 if (qemu_debug_requested()) {
1873 vm_stop(RUN_STATE_DEBUG);
1874 }
1875 if (qemu_suspend_requested()) {
1876 qemu_system_suspend();
1877 }
1878 if (qemu_shutdown_requested()) {
1879 qemu_kill_report();
1880 qapi_event_send_shutdown(&error_abort);
1881 if (no_shutdown) {
1882 vm_stop(RUN_STATE_SHUTDOWN);
1883 } else {
1884 return true;
1885 }
1886 }
1887 if (qemu_reset_requested()) {
1888 pause_all_vcpus();
1889 qemu_system_reset(VMRESET_REPORT);
1890 resume_all_vcpus();
1891 if (!runstate_check(RUN_STATE_RUNNING) &&
1892 !runstate_check(RUN_STATE_INMIGRATE)) {
1893 runstate_set(RUN_STATE_PRELAUNCH);
1894 }
1895 }
1896 if (qemu_wakeup_requested()) {
1897 pause_all_vcpus();
1898 qemu_system_reset(VMRESET_SILENT);
1899 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1900 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1901 resume_all_vcpus();
1902 qapi_event_send_wakeup(&error_abort);
1903 }
1904 if (qemu_powerdown_requested()) {
1905 qemu_system_powerdown();
1906 }
1907 if (qemu_vmstop_requested(&r)) {
1908 vm_stop(r);
1909 }
1910 return false;
1911 }
1912
1913 static void main_loop(void)
1914 {
1915 bool nonblocking;
1916 int last_io = 0;
1917 #ifdef CONFIG_PROFILER
1918 int64_t ti;
1919 #endif
1920 do {
1921 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1922 #ifdef CONFIG_PROFILER
1923 ti = profile_getclock();
1924 #endif
1925 last_io = main_loop_wait(nonblocking);
1926 #ifdef CONFIG_PROFILER
1927 dev_time += profile_getclock() - ti;
1928 #endif
1929 } while (!main_loop_should_exit());
1930 }
1931
1932 static void version(void)
1933 {
1934 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1935 }
1936
1937 static void help(int exitcode)
1938 {
1939 version();
1940 printf("usage: %s [options] [disk_image]\n\n"
1941 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1942 error_get_progname());
1943
1944 #define QEMU_OPTIONS_GENERATE_HELP
1945 #include "qemu-options-wrapper.h"
1946
1947 printf("\nDuring emulation, the following keys are useful:\n"
1948 "ctrl-alt-f toggle full screen\n"
1949 "ctrl-alt-n switch to virtual console 'n'\n"
1950 "ctrl-alt toggle mouse and keyboard grab\n"
1951 "\n"
1952 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1953
1954 exit(exitcode);
1955 }
1956
1957 #define HAS_ARG 0x0001
1958
1959 typedef struct QEMUOption {
1960 const char *name;
1961 int flags;
1962 int index;
1963 uint32_t arch_mask;
1964 } QEMUOption;
1965
1966 static const QEMUOption qemu_options[] = {
1967 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1968 #define QEMU_OPTIONS_GENERATE_OPTIONS
1969 #include "qemu-options-wrapper.h"
1970 { NULL },
1971 };
1972
1973 typedef struct VGAInterfaceInfo {
1974 const char *opt_name; /* option name */
1975 const char *name; /* human-readable name */
1976 /* Class names indicating that support is available.
1977 * If no class is specified, the interface is always available */
1978 const char *class_names[2];
1979 } VGAInterfaceInfo;
1980
1981 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1982 [VGA_NONE] = {
1983 .opt_name = "none",
1984 },
1985 [VGA_STD] = {
1986 .opt_name = "std",
1987 .name = "standard VGA",
1988 .class_names = { "VGA", "isa-vga" },
1989 },
1990 [VGA_CIRRUS] = {
1991 .opt_name = "cirrus",
1992 .name = "Cirrus VGA",
1993 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1994 },
1995 [VGA_VMWARE] = {
1996 .opt_name = "vmware",
1997 .name = "VMWare SVGA",
1998 .class_names = { "vmware-svga" },
1999 },
2000 [VGA_VIRTIO] = {
2001 .opt_name = "virtio",
2002 .name = "Virtio VGA",
2003 .class_names = { "virtio-vga" },
2004 },
2005 [VGA_QXL] = {
2006 .opt_name = "qxl",
2007 .name = "QXL VGA",
2008 .class_names = { "qxl-vga" },
2009 },
2010 [VGA_TCX] = {
2011 .opt_name = "tcx",
2012 .name = "TCX framebuffer",
2013 .class_names = { "SUNW,tcx" },
2014 },
2015 [VGA_CG3] = {
2016 .opt_name = "cg3",
2017 .name = "CG3 framebuffer",
2018 .class_names = { "cgthree" },
2019 },
2020 [VGA_XENFB] = {
2021 .opt_name = "xenfb",
2022 },
2023 };
2024
2025 static bool vga_interface_available(VGAInterfaceType t)
2026 {
2027 VGAInterfaceInfo *ti = &vga_interfaces[t];
2028
2029 assert(t < VGA_TYPE_MAX);
2030 return !ti->class_names[0] ||
2031 object_class_by_name(ti->class_names[0]) ||
2032 object_class_by_name(ti->class_names[1]);
2033 }
2034
2035 static void select_vgahw(const char *p)
2036 {
2037 const char *opts;
2038 int t;
2039
2040 assert(vga_interface_type == VGA_NONE);
2041 for (t = 0; t < VGA_TYPE_MAX; t++) {
2042 VGAInterfaceInfo *ti = &vga_interfaces[t];
2043 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2044 if (!vga_interface_available(t)) {
2045 error_report("%s not available", ti->name);
2046 exit(1);
2047 }
2048 vga_interface_type = t;
2049 break;
2050 }
2051 }
2052 if (t == VGA_TYPE_MAX) {
2053 invalid_vga:
2054 error_report("unknown vga type: %s", p);
2055 exit(1);
2056 }
2057 while (*opts) {
2058 const char *nextopt;
2059
2060 if (strstart(opts, ",retrace=", &nextopt)) {
2061 opts = nextopt;
2062 if (strstart(opts, "dumb", &nextopt))
2063 vga_retrace_method = VGA_RETRACE_DUMB;
2064 else if (strstart(opts, "precise", &nextopt))
2065 vga_retrace_method = VGA_RETRACE_PRECISE;
2066 else goto invalid_vga;
2067 } else goto invalid_vga;
2068 opts = nextopt;
2069 }
2070 }
2071
2072 typedef enum DisplayType {
2073 DT_DEFAULT,
2074 DT_CURSES,
2075 DT_SDL,
2076 DT_COCOA,
2077 DT_GTK,
2078 DT_NONE,
2079 } DisplayType;
2080
2081 static DisplayType select_display(const char *p)
2082 {
2083 const char *opts;
2084 DisplayType display = DT_DEFAULT;
2085
2086 if (strstart(p, "sdl", &opts)) {
2087 #ifdef CONFIG_SDL
2088 display = DT_SDL;
2089 while (*opts) {
2090 const char *nextopt;
2091
2092 if (strstart(opts, ",frame=", &nextopt)) {
2093 opts = nextopt;
2094 if (strstart(opts, "on", &nextopt)) {
2095 no_frame = 0;
2096 } else if (strstart(opts, "off", &nextopt)) {
2097 no_frame = 1;
2098 } else {
2099 goto invalid_sdl_args;
2100 }
2101 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 alt_grab = 1;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 alt_grab = 0;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 ctrl_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 ctrl_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",window_close=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 no_quit = 0;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 no_quit = 1;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else if (strstart(opts, ",gl=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "on", &nextopt)) {
2131 request_opengl = 1;
2132 } else if (strstart(opts, "off", &nextopt)) {
2133 request_opengl = 0;
2134 } else {
2135 goto invalid_sdl_args;
2136 }
2137 } else {
2138 invalid_sdl_args:
2139 error_report("invalid SDL option string");
2140 exit(1);
2141 }
2142 opts = nextopt;
2143 }
2144 #else
2145 error_report("SDL support is disabled");
2146 exit(1);
2147 #endif
2148 } else if (strstart(p, "vnc", &opts)) {
2149 if (*opts == '=') {
2150 vnc_parse(opts + 1, &error_fatal);
2151 } else {
2152 error_report("VNC requires a display argument vnc=<display>");
2153 exit(1);
2154 }
2155 } else if (strstart(p, "curses", &opts)) {
2156 #ifdef CONFIG_CURSES
2157 display = DT_CURSES;
2158 #else
2159 error_report("curses support is disabled");
2160 exit(1);
2161 #endif
2162 } else if (strstart(p, "gtk", &opts)) {
2163 #ifdef CONFIG_GTK
2164 display = DT_GTK;
2165 while (*opts) {
2166 const char *nextopt;
2167
2168 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2169 opts = nextopt;
2170 if (strstart(opts, "on", &nextopt)) {
2171 grab_on_hover = true;
2172 } else if (strstart(opts, "off", &nextopt)) {
2173 grab_on_hover = false;
2174 } else {
2175 goto invalid_gtk_args;
2176 }
2177 } else if (strstart(opts, ",gl=", &nextopt)) {
2178 opts = nextopt;
2179 if (strstart(opts, "on", &nextopt)) {
2180 request_opengl = 1;
2181 } else if (strstart(opts, "off", &nextopt)) {
2182 request_opengl = 0;
2183 } else {
2184 goto invalid_gtk_args;
2185 }
2186 } else {
2187 invalid_gtk_args:
2188 error_report("invalid GTK option string");
2189 exit(1);
2190 }
2191 opts = nextopt;
2192 }
2193 #else
2194 error_report("GTK support is disabled");
2195 exit(1);
2196 #endif
2197 } else if (strstart(p, "none", &opts)) {
2198 display = DT_NONE;
2199 } else {
2200 error_report("unknown display type");
2201 exit(1);
2202 }
2203
2204 return display;
2205 }
2206
2207 static int balloon_parse(const char *arg)
2208 {
2209 QemuOpts *opts;
2210
2211 if (strcmp(arg, "none") == 0) {
2212 return 0;
2213 }
2214
2215 if (!strncmp(arg, "virtio", 6)) {
2216 if (arg[6] == ',') {
2217 /* have params -> parse them */
2218 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2219 false);
2220 if (!opts)
2221 return -1;
2222 } else {
2223 /* create empty opts */
2224 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2225 &error_abort);
2226 }
2227 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2228 return 0;
2229 }
2230
2231 return -1;
2232 }
2233
2234 char *qemu_find_file(int type, const char *name)
2235 {
2236 int i;
2237 const char *subdir;
2238 char *buf;
2239
2240 /* Try the name as a straight path first */
2241 if (access(name, R_OK) == 0) {
2242 trace_load_file(name, name);
2243 return g_strdup(name);
2244 }
2245
2246 switch (type) {
2247 case QEMU_FILE_TYPE_BIOS:
2248 subdir = "";
2249 break;
2250 case QEMU_FILE_TYPE_KEYMAP:
2251 subdir = "keymaps/";
2252 break;
2253 default:
2254 abort();
2255 }
2256
2257 for (i = 0; i < data_dir_idx; i++) {
2258 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2259 if (access(buf, R_OK) == 0) {
2260 trace_load_file(name, buf);
2261 return buf;
2262 }
2263 g_free(buf);
2264 }
2265 return NULL;
2266 }
2267
2268 static inline bool nonempty_str(const char *str)
2269 {
2270 return str && *str;
2271 }
2272
2273 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2274 {
2275 gchar *buf;
2276 size_t size;
2277 const char *name, *file, *str;
2278 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2279
2280 if (fw_cfg == NULL) {
2281 error_report("fw_cfg device not available");
2282 return -1;
2283 }
2284 name = qemu_opt_get(opts, "name");
2285 file = qemu_opt_get(opts, "file");
2286 str = qemu_opt_get(opts, "string");
2287
2288 /* we need name and either a file or the content string */
2289 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2290 error_report("invalid argument(s)");
2291 return -1;
2292 }
2293 if (nonempty_str(file) && nonempty_str(str)) {
2294 error_report("file and string are mutually exclusive");
2295 return -1;
2296 }
2297 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2298 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2299 return -1;
2300 }
2301 if (strncmp(name, "opt/", 4) != 0) {
2302 error_report("warning: externally provided fw_cfg item names "
2303 "should be prefixed with \"opt/\"");
2304 }
2305 if (nonempty_str(str)) {
2306 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2307 buf = g_memdup(str, size);
2308 } else {
2309 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2310 error_report("can't load %s", file);
2311 return -1;
2312 }
2313 }
2314 /* For legacy, keep user files in a specific global order. */
2315 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2316 fw_cfg_add_file(fw_cfg, name, buf, size);
2317 fw_cfg_reset_order_override(fw_cfg);
2318 return 0;
2319 }
2320
2321 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2322 {
2323 return qdev_device_help(opts);
2324 }
2325
2326 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 Error *err = NULL;
2329 DeviceState *dev;
2330
2331 dev = qdev_device_add(opts, &err);
2332 if (!dev) {
2333 error_report_err(err);
2334 return -1;
2335 }
2336 object_unref(OBJECT(dev));
2337 return 0;
2338 }
2339
2340 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2341 {
2342 Error *local_err = NULL;
2343
2344 qemu_chr_new_from_opts(opts, NULL, &local_err);
2345 if (local_err) {
2346 error_report_err(local_err);
2347 return -1;
2348 }
2349 return 0;
2350 }
2351
2352 #ifdef CONFIG_VIRTFS
2353 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2354 {
2355 int ret;
2356 ret = qemu_fsdev_add(opts);
2357
2358 return ret;
2359 }
2360 #endif
2361
2362 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2363 {
2364 CharDriverState *chr;
2365 const char *chardev;
2366 const char *mode;
2367 int flags;
2368
2369 mode = qemu_opt_get(opts, "mode");
2370 if (mode == NULL) {
2371 mode = "readline";
2372 }
2373 if (strcmp(mode, "readline") == 0) {
2374 flags = MONITOR_USE_READLINE;
2375 } else if (strcmp(mode, "control") == 0) {
2376 flags = MONITOR_USE_CONTROL;
2377 } else {
2378 error_report("unknown monitor mode \"%s\"", mode);
2379 exit(1);
2380 }
2381
2382 if (qemu_opt_get_bool(opts, "pretty", 0))
2383 flags |= MONITOR_USE_PRETTY;
2384
2385 if (qemu_opt_get_bool(opts, "default", 0))
2386 flags |= MONITOR_IS_DEFAULT;
2387
2388 chardev = qemu_opt_get(opts, "chardev");
2389 chr = qemu_chr_find(chardev);
2390 if (chr == NULL) {
2391 error_report("chardev \"%s\" not found", chardev);
2392 exit(1);
2393 }
2394
2395 qemu_chr_fe_claim_no_fail(chr);
2396 monitor_init(chr, flags);
2397 return 0;
2398 }
2399
2400 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2401 {
2402 static int monitor_device_index = 0;
2403 QemuOpts *opts;
2404 const char *p;
2405 char label[32];
2406 int def = 0;
2407
2408 if (strstart(optarg, "chardev:", &p)) {
2409 snprintf(label, sizeof(label), "%s", p);
2410 } else {
2411 snprintf(label, sizeof(label), "compat_monitor%d",
2412 monitor_device_index);
2413 if (monitor_device_index == 0) {
2414 def = 1;
2415 }
2416 opts = qemu_chr_parse_compat(label, optarg);
2417 if (!opts) {
2418 error_report("parse error: %s", optarg);
2419 exit(1);
2420 }
2421 }
2422
2423 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2424 qemu_opt_set(opts, "mode", mode, &error_abort);
2425 qemu_opt_set(opts, "chardev", label, &error_abort);
2426 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2427 if (def)
2428 qemu_opt_set(opts, "default", "on", &error_abort);
2429 monitor_device_index++;
2430 }
2431
2432 struct device_config {
2433 enum {
2434 DEV_USB, /* -usbdevice */
2435 DEV_BT, /* -bt */
2436 DEV_SERIAL, /* -serial */
2437 DEV_PARALLEL, /* -parallel */
2438 DEV_VIRTCON, /* -virtioconsole */
2439 DEV_DEBUGCON, /* -debugcon */
2440 DEV_GDB, /* -gdb, -s */
2441 DEV_SCLP, /* s390 sclp */
2442 } type;
2443 const char *cmdline;
2444 Location loc;
2445 QTAILQ_ENTRY(device_config) next;
2446 };
2447
2448 static QTAILQ_HEAD(, device_config) device_configs =
2449 QTAILQ_HEAD_INITIALIZER(device_configs);
2450
2451 static void add_device_config(int type, const char *cmdline)
2452 {
2453 struct device_config *conf;
2454
2455 conf = g_malloc0(sizeof(*conf));
2456 conf->type = type;
2457 conf->cmdline = cmdline;
2458 loc_save(&conf->loc);
2459 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2460 }
2461
2462 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2463 {
2464 struct device_config *conf;
2465 int rc;
2466
2467 QTAILQ_FOREACH(conf, &device_configs, next) {
2468 if (conf->type != type)
2469 continue;
2470 loc_push_restore(&conf->loc);
2471 rc = func(conf->cmdline);
2472 loc_pop(&conf->loc);
2473 if (rc) {
2474 return rc;
2475 }
2476 }
2477 return 0;
2478 }
2479
2480 static int serial_parse(const char *devname)
2481 {
2482 static int index = 0;
2483 char label[32];
2484
2485 if (strcmp(devname, "none") == 0)
2486 return 0;
2487 if (index == MAX_SERIAL_PORTS) {
2488 error_report("too many serial ports");
2489 exit(1);
2490 }
2491 snprintf(label, sizeof(label), "serial%d", index);
2492 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2493 if (!serial_hds[index]) {
2494 error_report("could not connect serial device"
2495 " to character backend '%s'", devname);
2496 return -1;
2497 }
2498 index++;
2499 return 0;
2500 }
2501
2502 static int parallel_parse(const char *devname)
2503 {
2504 static int index = 0;
2505 char label[32];
2506
2507 if (strcmp(devname, "none") == 0)
2508 return 0;
2509 if (index == MAX_PARALLEL_PORTS) {
2510 error_report("too many parallel ports");
2511 exit(1);
2512 }
2513 snprintf(label, sizeof(label), "parallel%d", index);
2514 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2515 if (!parallel_hds[index]) {
2516 error_report("could not connect parallel device"
2517 " to character backend '%s'", devname);
2518 return -1;
2519 }
2520 index++;
2521 return 0;
2522 }
2523
2524 static int virtcon_parse(const char *devname)
2525 {
2526 QemuOptsList *device = qemu_find_opts("device");
2527 static int index = 0;
2528 char label[32];
2529 QemuOpts *bus_opts, *dev_opts;
2530
2531 if (strcmp(devname, "none") == 0)
2532 return 0;
2533 if (index == MAX_VIRTIO_CONSOLES) {
2534 error_report("too many virtio consoles");
2535 exit(1);
2536 }
2537
2538 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2539 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2540
2541 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2542 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2543
2544 snprintf(label, sizeof(label), "virtcon%d", index);
2545 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2546 if (!virtcon_hds[index]) {
2547 error_report("could not connect virtio console"
2548 " to character backend '%s'", devname);
2549 return -1;
2550 }
2551 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2552
2553 index++;
2554 return 0;
2555 }
2556
2557 static int sclp_parse(const char *devname)
2558 {
2559 QemuOptsList *device = qemu_find_opts("device");
2560 static int index = 0;
2561 char label[32];
2562 QemuOpts *dev_opts;
2563
2564 if (strcmp(devname, "none") == 0) {
2565 return 0;
2566 }
2567 if (index == MAX_SCLP_CONSOLES) {
2568 error_report("too many sclp consoles");
2569 exit(1);
2570 }
2571
2572 assert(arch_type == QEMU_ARCH_S390X);
2573
2574 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2575 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2576
2577 snprintf(label, sizeof(label), "sclpcon%d", index);
2578 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2579 if (!sclp_hds[index]) {
2580 error_report("could not connect sclp console"
2581 " to character backend '%s'", devname);
2582 return -1;
2583 }
2584 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2585
2586 index++;
2587 return 0;
2588 }
2589
2590 static int debugcon_parse(const char *devname)
2591 {
2592 QemuOpts *opts;
2593
2594 if (!qemu_chr_new("debugcon", devname, NULL)) {
2595 exit(1);
2596 }
2597 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2598 if (!opts) {
2599 error_report("already have a debugcon device");
2600 exit(1);
2601 }
2602 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2603 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2604 return 0;
2605 }
2606
2607 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2608 {
2609 const MachineClass *mc1 = a, *mc2 = b;
2610 int res;
2611
2612 if (mc1->family == NULL) {
2613 if (mc2->family == NULL) {
2614 /* Compare standalone machine types against each other; they sort
2615 * in increasing order.
2616 */
2617 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2618 object_class_get_name(OBJECT_CLASS(mc2)));
2619 }
2620
2621 /* Standalone machine types sort after families. */
2622 return 1;
2623 }
2624
2625 if (mc2->family == NULL) {
2626 /* Families sort before standalone machine types. */
2627 return -1;
2628 }
2629
2630 /* Families sort between each other alphabetically increasingly. */
2631 res = strcmp(mc1->family, mc2->family);
2632 if (res != 0) {
2633 return res;
2634 }
2635
2636 /* Within the same family, machine types sort in decreasing order. */
2637 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2638 object_class_get_name(OBJECT_CLASS(mc1)));
2639 }
2640
2641 static MachineClass *machine_parse(const char *name)
2642 {
2643 MachineClass *mc = NULL;
2644 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2645
2646 if (name) {
2647 mc = find_machine(name);
2648 }
2649 if (mc) {
2650 g_slist_free(machines);
2651 return mc;
2652 }
2653 if (name && !is_help_option(name)) {
2654 error_report("unsupported machine type");
2655 error_printf("Use -machine help to list supported machines\n");
2656 } else {
2657 printf("Supported machines are:\n");
2658 machines = g_slist_sort(machines, machine_class_cmp);
2659 for (el = machines; el; el = el->next) {
2660 MachineClass *mc = el->data;
2661 if (mc->alias) {
2662 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2663 }
2664 printf("%-20s %s%s\n", mc->name, mc->desc,
2665 mc->is_default ? " (default)" : "");
2666 }
2667 }
2668
2669 g_slist_free(machines);
2670 exit(!name || !is_help_option(name));
2671 }
2672
2673 void qemu_add_exit_notifier(Notifier *notify)
2674 {
2675 notifier_list_add(&exit_notifiers, notify);
2676 }
2677
2678 void qemu_remove_exit_notifier(Notifier *notify)
2679 {
2680 notifier_remove(notify);
2681 }
2682
2683 static void qemu_run_exit_notifiers(void)
2684 {
2685 notifier_list_notify(&exit_notifiers, NULL);
2686 }
2687
2688 static bool machine_init_done;
2689
2690 void qemu_add_machine_init_done_notifier(Notifier *notify)
2691 {
2692 notifier_list_add(&machine_init_done_notifiers, notify);
2693 if (machine_init_done) {
2694 notify->notify(notify, NULL);
2695 }
2696 }
2697
2698 static void qemu_run_machine_init_done_notifiers(void)
2699 {
2700 notifier_list_notify(&machine_init_done_notifiers, NULL);
2701 machine_init_done = true;
2702 }
2703
2704 static const QEMUOption *lookup_opt(int argc, char **argv,
2705 const char **poptarg, int *poptind)
2706 {
2707 const QEMUOption *popt;
2708 int optind = *poptind;
2709 char *r = argv[optind];
2710 const char *optarg;
2711
2712 loc_set_cmdline(argv, optind, 1);
2713 optind++;
2714 /* Treat --foo the same as -foo. */
2715 if (r[1] == '-')
2716 r++;
2717 popt = qemu_options;
2718 for(;;) {
2719 if (!popt->name) {
2720 error_report("invalid option");
2721 exit(1);
2722 }
2723 if (!strcmp(popt->name, r + 1))
2724 break;
2725 popt++;
2726 }
2727 if (popt->flags & HAS_ARG) {
2728 if (optind >= argc) {
2729 error_report("requires an argument");
2730 exit(1);
2731 }
2732 optarg = argv[optind++];
2733 loc_set_cmdline(argv, optind - 2, 2);
2734 } else {
2735 optarg = NULL;
2736 }
2737
2738 *poptarg = optarg;
2739 *poptind = optind;
2740
2741 return popt;
2742 }
2743
2744 static MachineClass *select_machine(void)
2745 {
2746 MachineClass *machine_class = find_default_machine();
2747 const char *optarg;
2748 QemuOpts *opts;
2749 Location loc;
2750
2751 loc_push_none(&loc);
2752
2753 opts = qemu_get_machine_opts();
2754 qemu_opts_loc_restore(opts);
2755
2756 optarg = qemu_opt_get(opts, "type");
2757 if (optarg) {
2758 machine_class = machine_parse(optarg);
2759 }
2760
2761 if (!machine_class) {
2762 error_report("No machine specified, and there is no default");
2763 error_printf("Use -machine help to list supported machines\n");
2764 exit(1);
2765 }
2766
2767 loc_pop(&loc);
2768 return machine_class;
2769 }
2770
2771 static int machine_set_property(void *opaque,
2772 const char *name, const char *value,
2773 Error **errp)
2774 {
2775 Object *obj = OBJECT(opaque);
2776 Error *local_err = NULL;
2777 char *c, *qom_name;
2778
2779 if (strcmp(name, "type") == 0) {
2780 return 0;
2781 }
2782
2783 qom_name = g_strdup(name);
2784 c = qom_name;
2785 while (*c++) {
2786 if (*c == '_') {
2787 *c = '-';
2788 }
2789 }
2790
2791 object_property_parse(obj, value, qom_name, &local_err);
2792 g_free(qom_name);
2793
2794 if (local_err) {
2795 error_report_err(local_err);
2796 return -1;
2797 }
2798
2799 return 0;
2800 }
2801
2802
2803 /*
2804 * Initial object creation happens before all other
2805 * QEMU data types are created. The majority of objects
2806 * can be created at this point. The rng-egd object
2807 * cannot be created here, as it depends on the chardev
2808 * already existing.
2809 */
2810 static bool object_create_initial(const char *type)
2811 {
2812 if (g_str_equal(type, "rng-egd")) {
2813 return false;
2814 }
2815
2816 /*
2817 * return false for concrete netfilters since
2818 * they depend on netdevs already existing
2819 */
2820 if (g_str_equal(type, "filter-buffer") ||
2821 g_str_equal(type, "filter-dump") ||
2822 g_str_equal(type, "filter-mirror") ||
2823 g_str_equal(type, "filter-redirector")) {
2824 return false;
2825 }
2826
2827 return true;
2828 }
2829
2830
2831 /*
2832 * The remainder of object creation happens after the
2833 * creation of chardev, fsdev, net clients and device data types.
2834 */
2835 static bool object_create_delayed(const char *type)
2836 {
2837 return !object_create_initial(type);
2838 }
2839
2840
2841 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2842 MachineClass *mc)
2843 {
2844 uint64_t sz;
2845 const char *mem_str;
2846 const char *maxmem_str, *slots_str;
2847 const ram_addr_t default_ram_size = mc->default_ram_size;
2848 QemuOpts *opts = qemu_find_opts_singleton("memory");
2849 Location loc;
2850
2851 loc_push_none(&loc);
2852 qemu_opts_loc_restore(opts);
2853
2854 sz = 0;
2855 mem_str = qemu_opt_get(opts, "size");
2856 if (mem_str) {
2857 if (!*mem_str) {
2858 error_report("missing 'size' option value");
2859 exit(EXIT_FAILURE);
2860 }
2861
2862 sz = qemu_opt_get_size(opts, "size", ram_size);
2863
2864 /* Fix up legacy suffix-less format */
2865 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2866 uint64_t overflow_check = sz;
2867
2868 sz <<= 20;
2869 if ((sz >> 20) != overflow_check) {
2870 error_report("too large 'size' option value");
2871 exit(EXIT_FAILURE);
2872 }
2873 }
2874 }
2875
2876 /* backward compatibility behaviour for case "-m 0" */
2877 if (sz == 0) {
2878 sz = default_ram_size;
2879 }
2880
2881 sz = QEMU_ALIGN_UP(sz, 8192);
2882 ram_size = sz;
2883 if (ram_size != sz) {
2884 error_report("ram size too large");
2885 exit(EXIT_FAILURE);
2886 }
2887
2888 /* store value for the future use */
2889 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2890 *maxram_size = ram_size;
2891
2892 maxmem_str = qemu_opt_get(opts, "maxmem");
2893 slots_str = qemu_opt_get(opts, "slots");
2894 if (maxmem_str && slots_str) {
2895 uint64_t slots;
2896
2897 sz = qemu_opt_get_size(opts, "maxmem", 0);
2898 slots = qemu_opt_get_number(opts, "slots", 0);
2899 if (sz < ram_size) {
2900 error_report("invalid value of -m option maxmem: "
2901 "maximum memory size (0x%" PRIx64 ") must be at least "
2902 "the initial memory size (0x" RAM_ADDR_FMT ")",
2903 sz, ram_size);
2904 exit(EXIT_FAILURE);
2905 } else if (sz > ram_size) {
2906 if (!slots) {
2907 error_report("invalid value of -m option: maxmem was "
2908 "specified, but no hotplug slots were specified");
2909 exit(EXIT_FAILURE);
2910 }
2911 } else if (slots) {
2912 error_report("invalid value of -m option maxmem: "
2913 "memory slots were specified but maximum memory size "
2914 "(0x%" PRIx64 ") is equal to the initial memory size "
2915 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2916 exit(EXIT_FAILURE);
2917 }
2918
2919 *maxram_size = sz;
2920 *ram_slots = slots;
2921 } else if ((!maxmem_str && slots_str) ||
2922 (maxmem_str && !slots_str)) {
2923 error_report("invalid -m option value: missing "
2924 "'%s' option", slots_str ? "maxmem" : "slots");
2925 exit(EXIT_FAILURE);
2926 }
2927
2928 loc_pop(&loc);
2929 }
2930
2931 int main(int argc, char **argv, char **envp)
2932 {
2933 int i;
2934 int snapshot, linux_boot;
2935 const char *initrd_filename;
2936 const char *kernel_filename, *kernel_cmdline;
2937 const char *boot_order = NULL;
2938 const char *boot_once = NULL;
2939 DisplayState *ds;
2940 int cyls, heads, secs, translation;
2941 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2942 QemuOptsList *olist;
2943 int optind;
2944 const char *optarg;
2945 const char *loadvm = NULL;
2946 MachineClass *machine_class;
2947 const char *cpu_model;
2948 const char *vga_model = NULL;
2949 const char *qtest_chrdev = NULL;
2950 const char *qtest_log = NULL;
2951 const char *pid_file = NULL;
2952 const char *incoming = NULL;
2953 int show_vnc_port = 0;
2954 bool defconfig = true;
2955 bool userconfig = true;
2956 bool nographic = false;
2957 DisplayType display_type = DT_DEFAULT;
2958 int display_remote = 0;
2959 const char *log_mask = NULL;
2960 const char *log_file = NULL;
2961 char *trace_file = NULL;
2962 ram_addr_t maxram_size;
2963 uint64_t ram_slots = 0;
2964 FILE *vmstate_dump_file = NULL;
2965 Error *main_loop_err = NULL;
2966 Error *err = NULL;
2967 bool list_data_dirs = false;
2968
2969 qemu_init_cpu_loop();
2970 qemu_mutex_lock_iothread();
2971
2972 atexit(qemu_run_exit_notifiers);
2973 error_set_progname(argv[0]);
2974 qemu_init_exec_dir(argv[0]);
2975
2976 module_call_init(MODULE_INIT_QOM);
2977
2978 qemu_add_opts(&qemu_drive_opts);
2979 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2980 qemu_add_drive_opts(&qemu_common_drive_opts);
2981 qemu_add_drive_opts(&qemu_drive_opts);
2982 qemu_add_opts(&qemu_chardev_opts);
2983 qemu_add_opts(&qemu_device_opts);
2984 qemu_add_opts(&qemu_netdev_opts);
2985 qemu_add_opts(&qemu_net_opts);
2986 qemu_add_opts(&qemu_rtc_opts);
2987 qemu_add_opts(&qemu_global_opts);
2988 qemu_add_opts(&qemu_mon_opts);
2989 qemu_add_opts(&qemu_trace_opts);
2990 qemu_add_opts(&qemu_option_rom_opts);
2991 qemu_add_opts(&qemu_machine_opts);
2992 qemu_add_opts(&qemu_mem_opts);
2993 qemu_add_opts(&qemu_smp_opts);
2994 qemu_add_opts(&qemu_boot_opts);
2995 qemu_add_opts(&qemu_sandbox_opts);
2996 qemu_add_opts(&qemu_add_fd_opts);
2997 qemu_add_opts(&qemu_object_opts);
2998 qemu_add_opts(&qemu_tpmdev_opts);
2999 qemu_add_opts(&qemu_realtime_opts);
3000 qemu_add_opts(&qemu_msg_opts);
3001 qemu_add_opts(&qemu_name_opts);
3002 qemu_add_opts(&qemu_numa_opts);
3003 qemu_add_opts(&qemu_icount_opts);
3004 qemu_add_opts(&qemu_semihosting_config_opts);
3005 qemu_add_opts(&qemu_fw_cfg_opts);
3006 module_call_init(MODULE_INIT_OPTS);
3007
3008 runstate_init();
3009
3010 if (qcrypto_init(&err) < 0) {
3011 error_reportf_err(err, "cannot initialize crypto: ");
3012 exit(1);
3013 }
3014 rtc_clock = QEMU_CLOCK_HOST;
3015
3016 QLIST_INIT (&vm_change_state_head);
3017 os_setup_early_signal_handling();
3018
3019 cpu_model = NULL;
3020 snapshot = 0;
3021 cyls = heads = secs = 0;
3022 translation = BIOS_ATA_TRANSLATION_AUTO;
3023
3024 nb_nics = 0;
3025
3026 bdrv_init_with_whitelist();
3027
3028 autostart = 1;
3029
3030 /* first pass of option parsing */
3031 optind = 1;
3032 while (optind < argc) {
3033 if (argv[optind][0] != '-') {
3034 /* disk image */
3035 optind++;
3036 } else {
3037 const QEMUOption *popt;
3038
3039 popt = lookup_opt(argc, argv, &optarg, &optind);
3040 switch (popt->index) {
3041 case QEMU_OPTION_nodefconfig:
3042 defconfig = false;
3043 break;
3044 case QEMU_OPTION_nouserconfig:
3045 userconfig = false;
3046 break;
3047 }
3048 }
3049 }
3050
3051 if (defconfig) {
3052 int ret;
3053 ret = qemu_read_default_config_files(userconfig);
3054 if (ret < 0) {
3055 exit(1);
3056 }
3057 }
3058
3059 /* second pass of option parsing */
3060 optind = 1;
3061 for(;;) {
3062 if (optind >= argc)
3063 break;
3064 if (argv[optind][0] != '-') {
3065 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3066 } else {
3067 const QEMUOption *popt;
3068
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 if (!(popt->arch_mask & arch_type)) {
3071 printf("Option %s not supported for this target\n", popt->name);
3072 exit(1);
3073 }
3074 switch(popt->index) {
3075 case QEMU_OPTION_no_kvm_irqchip: {
3076 olist = qemu_find_opts("machine");
3077 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3078 break;
3079 }
3080 case QEMU_OPTION_cpu:
3081 /* hw initialization will check this */
3082 cpu_model = optarg;
3083 break;
3084 case QEMU_OPTION_hda:
3085 {
3086 char buf[256];
3087 if (cyls == 0)
3088 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3089 else
3090 snprintf(buf, sizeof(buf),
3091 "%s,cyls=%d,heads=%d,secs=%d%s",
3092 HD_OPTS , cyls, heads, secs,
3093 translation == BIOS_ATA_TRANSLATION_LBA ?
3094 ",trans=lba" :
3095 translation == BIOS_ATA_TRANSLATION_NONE ?
3096 ",trans=none" : "");
3097 drive_add(IF_DEFAULT, 0, optarg, buf);
3098 break;
3099 }
3100 case QEMU_OPTION_hdb:
3101 case QEMU_OPTION_hdc:
3102 case QEMU_OPTION_hdd:
3103 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3104 HD_OPTS);
3105 break;
3106 case QEMU_OPTION_drive:
3107 if (drive_def(optarg) == NULL) {
3108 exit(1);
3109 }
3110 break;
3111 case QEMU_OPTION_set:
3112 if (qemu_set_option(optarg) != 0)
3113 exit(1);
3114 break;
3115 case QEMU_OPTION_global:
3116 if (qemu_global_option(optarg) != 0)
3117 exit(1);
3118 break;
3119 case QEMU_OPTION_mtdblock:
3120 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3121 break;
3122 case QEMU_OPTION_sd:
3123 drive_add(IF_SD, -1, optarg, SD_OPTS);
3124 break;
3125 case QEMU_OPTION_pflash:
3126 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3127 break;
3128 case QEMU_OPTION_snapshot:
3129 snapshot = 1;
3130 break;
3131 case QEMU_OPTION_hdachs:
3132 {
3133 const char *p;
3134 p = optarg;
3135 cyls = strtol(p, (char **)&p, 0);
3136 if (cyls < 1 || cyls > 16383)
3137 goto chs_fail;
3138 if (*p != ',')
3139 goto chs_fail;
3140 p++;
3141 heads = strtol(p, (char **)&p, 0);
3142 if (heads < 1 || heads > 16)
3143 goto chs_fail;
3144 if (*p != ',')
3145 goto chs_fail;
3146 p++;
3147 secs = strtol(p, (char **)&p, 0);
3148 if (secs < 1 || secs > 63)
3149 goto chs_fail;
3150 if (*p == ',') {
3151 p++;
3152 if (!strcmp(p, "large")) {
3153 translation = BIOS_ATA_TRANSLATION_LARGE;
3154 } else if (!strcmp(p, "rechs")) {
3155 translation = BIOS_ATA_TRANSLATION_RECHS;
3156 } else if (!strcmp(p, "none")) {
3157 translation = BIOS_ATA_TRANSLATION_NONE;
3158 } else if (!strcmp(p, "lba")) {
3159 translation = BIOS_ATA_TRANSLATION_LBA;
3160 } else if (!strcmp(p, "auto")) {
3161 translation = BIOS_ATA_TRANSLATION_AUTO;
3162 } else {
3163 goto chs_fail;
3164 }
3165 } else if (*p != '\0') {
3166 chs_fail:
3167 error_report("invalid physical CHS format");
3168 exit(1);
3169 }
3170 if (hda_opts != NULL) {
3171 qemu_opt_set_number(hda_opts, "cyls", cyls,
3172 &error_abort);
3173 qemu_opt_set_number(hda_opts, "heads", heads,
3174 &error_abort);
3175 qemu_opt_set_number(hda_opts, "secs", secs,
3176 &error_abort);
3177 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3178 qemu_opt_set(hda_opts, "trans", "large",
3179 &error_abort);
3180 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3181 qemu_opt_set(hda_opts, "trans", "rechs",
3182 &error_abort);
3183 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3184 qemu_opt_set(hda_opts, "trans", "lba",
3185 &error_abort);
3186 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3187 qemu_opt_set(hda_opts, "trans", "none",
3188 &error_abort);
3189 }
3190 }
3191 }
3192 break;
3193 case QEMU_OPTION_numa:
3194 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3195 optarg, true);
3196 if (!opts) {
3197 exit(1);
3198 }
3199 break;
3200 case QEMU_OPTION_display:
3201 display_type = select_display(optarg);
3202 break;
3203 case QEMU_OPTION_nographic:
3204 olist = qemu_find_opts("machine");
3205 qemu_opts_parse_noisily(olist, "graphics=off", false);
3206 nographic = true;
3207 display_type = DT_NONE;
3208 break;
3209 case QEMU_OPTION_curses:
3210 #ifdef CONFIG_CURSES
3211 display_type = DT_CURSES;
3212 #else
3213 error_report("curses support is disabled");
3214 exit(1);
3215 #endif
3216 break;
3217 case QEMU_OPTION_portrait:
3218 graphic_rotate = 90;
3219 break;
3220 case QEMU_OPTION_rotate:
3221 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3222 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3223 graphic_rotate != 180 && graphic_rotate != 270) {
3224 error_report("only 90, 180, 270 deg rotation is available");
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_kernel:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3230 &error_abort);
3231 break;
3232 case QEMU_OPTION_initrd:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_append:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_cdrom:
3245 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3246 break;
3247 case QEMU_OPTION_boot:
3248 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3249 optarg, true);
3250 if (!opts) {
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_fda:
3255 case QEMU_OPTION_fdb:
3256 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3257 optarg, FD_OPTS);
3258 break;
3259 case QEMU_OPTION_no_fd_bootchk:
3260 fd_bootchk = 0;
3261 break;
3262 case QEMU_OPTION_netdev:
3263 default_net = 0;
3264 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_net:
3269 default_net = 0;
3270 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 #ifdef CONFIG_LIBISCSI
3275 case QEMU_OPTION_iscsi:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3277 optarg, false);
3278 if (!opts) {
3279 exit(1);
3280 }
3281 break;
3282 #endif
3283 #ifdef CONFIG_SLIRP
3284 case QEMU_OPTION_tftp:
3285 error_report("The -tftp option is deprecated. "
3286 "Please use '-netdev user,tftp=...' instead.");
3287 legacy_tftp_prefix = optarg;
3288 break;
3289 case QEMU_OPTION_bootp:
3290 error_report("The -bootp option is deprecated. "
3291 "Please use '-netdev user,bootfile=...' instead.");
3292 legacy_bootp_filename = optarg;
3293 break;
3294 case QEMU_OPTION_redir:
3295 error_report("The -redir option is deprecated. "
3296 "Please use '-netdev user,hostfwd=...' instead.");
3297 if (net_slirp_redir(optarg) < 0)
3298 exit(1);
3299 break;
3300 #endif
3301 case QEMU_OPTION_bt:
3302 add_device_config(DEV_BT, optarg);
3303 break;
3304 case QEMU_OPTION_audio_help:
3305 AUD_help ();
3306 exit (0);
3307 break;
3308 case QEMU_OPTION_soundhw:
3309 select_soundhw (optarg);
3310 break;
3311 case QEMU_OPTION_h:
3312 help(0);
3313 break;
3314 case QEMU_OPTION_version:
3315 version();
3316 exit(0);
3317 break;
3318 case QEMU_OPTION_m:
3319 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3320 optarg, true);
3321 if (!opts) {
3322 exit(EXIT_FAILURE);
3323 }
3324 break;
3325 #ifdef CONFIG_TPM
3326 case QEMU_OPTION_tpmdev:
3327 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3328 exit(1);
3329 }
3330 break;
3331 #endif
3332 case QEMU_OPTION_mempath:
3333 mem_path = optarg;
3334 break;
3335 case QEMU_OPTION_mem_prealloc:
3336 mem_prealloc = 1;
3337 break;
3338 case QEMU_OPTION_d:
3339 log_mask = optarg;
3340 break;
3341 case QEMU_OPTION_D:
3342 log_file = optarg;
3343 break;
3344 case QEMU_OPTION_DFILTER:
3345 qemu_set_dfilter_ranges(optarg);
3346 break;
3347 case QEMU_OPTION_s:
3348 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3349 break;
3350 case QEMU_OPTION_gdb:
3351 add_device_config(DEV_GDB, optarg);
3352 break;
3353 case QEMU_OPTION_L:
3354 if (is_help_option(optarg)) {
3355 list_data_dirs = true;
3356 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3357 data_dir[data_dir_idx++] = optarg;
3358 }
3359 break;
3360 case QEMU_OPTION_bios:
3361 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3362 &error_abort);
3363 break;
3364 case QEMU_OPTION_singlestep:
3365 singlestep = 1;
3366 break;
3367 case QEMU_OPTION_S:
3368 autostart = 0;
3369 break;
3370 case QEMU_OPTION_k:
3371 keyboard_layout = optarg;
3372 break;
3373 case QEMU_OPTION_localtime:
3374 rtc_utc = 0;
3375 break;
3376 case QEMU_OPTION_vga:
3377 vga_model = optarg;
3378 default_vga = 0;
3379 break;
3380 case QEMU_OPTION_g:
3381 {
3382 const char *p;
3383 int w, h, depth;
3384 p = optarg;
3385 w = strtol(p, (char **)&p, 10);
3386 if (w <= 0) {
3387 graphic_error:
3388 error_report("invalid resolution or depth");
3389 exit(1);
3390 }
3391 if (*p != 'x')
3392 goto graphic_error;
3393 p++;
3394 h = strtol(p, (char **)&p, 10);
3395 if (h <= 0)
3396 goto graphic_error;
3397 if (*p == 'x') {
3398 p++;
3399 depth = strtol(p, (char **)&p, 10);
3400 if (depth != 8 && depth != 15 && depth != 16 &&
3401 depth != 24 && depth != 32)
3402 goto graphic_error;
3403 } else if (*p == '\0') {
3404 depth = graphic_depth;
3405 } else {
3406 goto graphic_error;
3407 }
3408
3409 graphic_width = w;
3410 graphic_height = h;
3411 graphic_depth = depth;
3412 }
3413 break;
3414 case QEMU_OPTION_echr:
3415 {
3416 char *r;
3417 term_escape_char = strtol(optarg, &r, 0);
3418 if (r == optarg)
3419 printf("Bad argument to echr\n");
3420 break;
3421 }
3422 case QEMU_OPTION_monitor:
3423 default_monitor = 0;
3424 if (strncmp(optarg, "none", 4)) {
3425 monitor_parse(optarg, "readline", false);
3426 }
3427 break;
3428 case QEMU_OPTION_qmp:
3429 monitor_parse(optarg, "control", false);
3430 default_monitor = 0;
3431 break;
3432 case QEMU_OPTION_qmp_pretty:
3433 monitor_parse(optarg, "control", true);
3434 default_monitor = 0;
3435 break;
3436 case QEMU_OPTION_mon:
3437 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3438 true);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 default_monitor = 0;
3443 break;
3444 case QEMU_OPTION_chardev:
3445 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3446 optarg, true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 break;
3451 case QEMU_OPTION_fsdev:
3452 olist = qemu_find_opts("fsdev");
3453 if (!olist) {
3454 error_report("fsdev support is disabled");
3455 exit(1);
3456 }
3457 opts = qemu_opts_parse_noisily(olist, optarg, true);
3458 if (!opts) {
3459 exit(1);
3460 }
3461 break;
3462 case QEMU_OPTION_virtfs: {
3463 QemuOpts *fsdev;
3464 QemuOpts *device;
3465 const char *writeout, *sock_fd, *socket;
3466
3467 olist = qemu_find_opts("virtfs");
3468 if (!olist) {
3469 error_report("virtfs support is disabled");
3470 exit(1);
3471 }
3472 opts = qemu_opts_parse_noisily(olist, optarg, true);
3473 if (!opts) {
3474 exit(1);
3475 }
3476
3477 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3478 qemu_opt_get(opts, "mount_tag") == NULL) {
3479 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3480 exit(1);
3481 }
3482 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3483 qemu_opt_get(opts, "mount_tag"),
3484 1, NULL);
3485 if (!fsdev) {
3486 error_report("duplicate fsdev id: %s",
3487 qemu_opt_get(opts, "mount_tag"));
3488 exit(1);
3489 }
3490
3491 writeout = qemu_opt_get(opts, "writeout");
3492 if (writeout) {
3493 #ifdef CONFIG_SYNC_FILE_RANGE
3494 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3495 #else
3496 error_report("writeout=immediate not supported "
3497 "on this platform");
3498 exit(1);
3499 #endif
3500 }
3501 qemu_opt_set(fsdev, "fsdriver",
3502 qemu_opt_get(opts, "fsdriver"), &error_abort);
3503 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3504 &error_abort);
3505 qemu_opt_set(fsdev, "security_model",
3506 qemu_opt_get(opts, "security_model"),
3507 &error_abort);
3508 socket = qemu_opt_get(opts, "socket");
3509 if (socket) {
3510 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3511 }
3512 sock_fd = qemu_opt_get(opts, "sock_fd");
3513 if (sock_fd) {
3514 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3515 }
3516
3517 qemu_opt_set_bool(fsdev, "readonly",
3518 qemu_opt_get_bool(opts, "readonly", 0),
3519 &error_abort);
3520 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3521 &error_abort);
3522 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3523 qemu_opt_set(device, "fsdev",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 qemu_opt_set(device, "mount_tag",
3526 qemu_opt_get(opts, "mount_tag"), &error_abort);
3527 break;
3528 }
3529 case QEMU_OPTION_virtfs_synth: {
3530 QemuOpts *fsdev;
3531 QemuOpts *device;
3532
3533 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3534 1, NULL);
3535 if (!fsdev) {
3536 error_report("duplicate option: %s", "virtfs_synth");
3537 exit(1);
3538 }
3539 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3540
3541 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3542 &error_abort);
3543 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3544 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3545 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3546 break;
3547 }
3548 case QEMU_OPTION_serial:
3549 add_device_config(DEV_SERIAL, optarg);
3550 default_serial = 0;
3551 if (strncmp(optarg, "mon:", 4) == 0) {
3552 default_monitor = 0;
3553 }
3554 break;
3555 case QEMU_OPTION_watchdog:
3556 if (watchdog) {
3557 error_report("only one watchdog option may be given");
3558 return 1;
3559 }
3560 watchdog = optarg;
3561 break;
3562 case QEMU_OPTION_watchdog_action:
3563 if (select_watchdog_action(optarg) == -1) {
3564 error_report("unknown -watchdog-action parameter");
3565 exit(1);
3566 }
3567 break;
3568 case QEMU_OPTION_virtiocon:
3569 add_device_config(DEV_VIRTCON, optarg);
3570 default_virtcon = 0;
3571 if (strncmp(optarg, "mon:", 4) == 0) {
3572 default_monitor = 0;
3573 }
3574 break;
3575 case QEMU_OPTION_parallel:
3576 add_device_config(DEV_PARALLEL, optarg);
3577 default_parallel = 0;
3578 if (strncmp(optarg, "mon:", 4) == 0) {
3579 default_monitor = 0;
3580 }
3581 break;
3582 case QEMU_OPTION_debugcon:
3583 add_device_config(DEV_DEBUGCON, optarg);
3584 break;
3585 case QEMU_OPTION_loadvm:
3586 loadvm = optarg;
3587 break;
3588 case QEMU_OPTION_full_screen:
3589 full_screen = 1;
3590 break;
3591 case QEMU_OPTION_no_frame:
3592 no_frame = 1;
3593 break;
3594 case QEMU_OPTION_alt_grab:
3595 alt_grab = 1;
3596 break;
3597 case QEMU_OPTION_ctrl_grab:
3598 ctrl_grab = 1;
3599 break;
3600 case QEMU_OPTION_no_quit:
3601 no_quit = 1;
3602 break;
3603 case QEMU_OPTION_sdl:
3604 #ifdef CONFIG_SDL
3605 display_type = DT_SDL;
3606 break;
3607 #else
3608 error_report("SDL support is disabled");
3609 exit(1);
3610 #endif
3611 case QEMU_OPTION_pidfile:
3612 pid_file = optarg;
3613 break;
3614 case QEMU_OPTION_win2k_hack:
3615 win2k_install_hack = 1;
3616 break;
3617 case QEMU_OPTION_rtc_td_hack: {
3618 static GlobalProperty slew_lost_ticks = {
3619 .driver = "mc146818rtc",
3620 .property = "lost_tick_policy",
3621 .value = "slew",
3622 };
3623
3624 qdev_prop_register_global(&slew_lost_ticks);
3625 break;
3626 }
3627 case QEMU_OPTION_acpitable:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3629 optarg, true);
3630 if (!opts) {
3631 exit(1);
3632 }
3633 do_acpitable_option(opts);
3634 break;
3635 case QEMU_OPTION_smbios:
3636 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3637 optarg, false);
3638 if (!opts) {
3639 exit(1);
3640 }
3641 do_smbios_option(opts);
3642 break;
3643 case QEMU_OPTION_fwcfg:
3644 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3645 optarg, true);
3646 if (opts == NULL) {
3647 exit(1);
3648 }
3649 break;
3650 case QEMU_OPTION_enable_kvm:
3651 olist = qemu_find_opts("machine");
3652 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3653 break;
3654 case QEMU_OPTION_M:
3655 case QEMU_OPTION_machine:
3656 olist = qemu_find_opts("machine");
3657 opts = qemu_opts_parse_noisily(olist, optarg, true);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 break;
3662 case QEMU_OPTION_no_kvm:
3663 olist = qemu_find_opts("machine");
3664 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3665 break;
3666 case QEMU_OPTION_no_kvm_pit: {
3667 error_report("warning: ignoring deprecated option");
3668 break;
3669 }
3670 case QEMU_OPTION_no_kvm_pit_reinjection: {
3671 static GlobalProperty kvm_pit_lost_tick_policy = {
3672 .driver = "kvm-pit",
3673 .property = "lost_tick_policy",
3674 .value = "discard",
3675 };
3676
3677 error_report("warning: deprecated, replaced by "
3678 "-global kvm-pit.lost_tick_policy=discard");
3679 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3680 break;
3681 }
3682 case QEMU_OPTION_usb:
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "usb=on", false);
3685 break;
3686 case QEMU_OPTION_usbdevice:
3687 olist = qemu_find_opts("machine");
3688 qemu_opts_parse_noisily(olist, "usb=on", false);
3689 add_device_config(DEV_USB, optarg);
3690 break;
3691 case QEMU_OPTION_device:
3692 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3693 optarg, true)) {
3694 exit(1);
3695 }
3696 break;
3697 case QEMU_OPTION_smp:
3698 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3699 optarg, true)) {
3700 exit(1);
3701 }
3702 break;
3703 case QEMU_OPTION_vnc:
3704 vnc_parse(optarg, &error_fatal);
3705 break;
3706 case QEMU_OPTION_no_acpi:
3707 acpi_enabled = 0;
3708 break;
3709 case QEMU_OPTION_no_hpet:
3710 no_hpet = 1;
3711 break;
3712 case QEMU_OPTION_balloon:
3713 if (balloon_parse(optarg) < 0) {
3714 error_report("unknown -balloon argument %s", optarg);
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_no_reboot:
3719 no_reboot = 1;
3720 break;
3721 case QEMU_OPTION_no_shutdown:
3722 no_shutdown = 1;
3723 break;
3724 case QEMU_OPTION_show_cursor:
3725 cursor_hide = 0;
3726 break;
3727 case QEMU_OPTION_uuid:
3728 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3729 error_report("failed to parse UUID string: wrong format");
3730 exit(1);
3731 }
3732 qemu_uuid_set = true;
3733 break;
3734 case QEMU_OPTION_option_rom:
3735 if (nb_option_roms >= MAX_OPTION_ROMS) {
3736 error_report("too many option ROMs");
3737 exit(1);
3738 }
3739 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3740 optarg, true);
3741 if (!opts) {
3742 exit(1);
3743 }
3744 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3745 option_rom[nb_option_roms].bootindex =
3746 qemu_opt_get_number(opts, "bootindex", -1);
3747 if (!option_rom[nb_option_roms].name) {
3748 error_report("Option ROM file is not specified");
3749 exit(1);
3750 }
3751 nb_option_roms++;
3752 break;
3753 case QEMU_OPTION_semihosting:
3754 semihosting.enabled = true;
3755 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3756 break;
3757 case QEMU_OPTION_semihosting_config:
3758 semihosting.enabled = true;
3759 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3760 optarg, false);
3761 if (opts != NULL) {
3762 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3763 true);
3764 const char *target = qemu_opt_get(opts, "target");
3765 if (target != NULL) {
3766 if (strcmp("native", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3768 } else if (strcmp("gdb", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_GDB;
3770 } else if (strcmp("auto", target) == 0) {
3771 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 } else {
3773 error_report("unsupported semihosting-config %s",
3774 optarg);
3775 exit(1);
3776 }
3777 } else {
3778 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3779 }
3780 /* Set semihosting argument count and vector */
3781 qemu_opt_foreach(opts, add_semihosting_arg,
3782 &semihosting, NULL);
3783 } else {
3784 error_report("unsupported semihosting-config %s", optarg);
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_tdf:
3789 error_report("warning: ignoring deprecated option");
3790 break;
3791 case QEMU_OPTION_name:
3792 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3793 optarg, true);
3794 if (!opts) {
3795 exit(1);
3796 }
3797 break;
3798 case QEMU_OPTION_prom_env:
3799 if (nb_prom_envs >= MAX_PROM_ENVS) {
3800 error_report("too many prom variables");
3801 exit(1);
3802 }
3803 prom_envs[nb_prom_envs] = optarg;
3804 nb_prom_envs++;
3805 break;
3806 case QEMU_OPTION_old_param:
3807 old_param = 1;
3808 break;
3809 case QEMU_OPTION_clock:
3810 /* Clock options no longer exist. Keep this option for
3811 * backward compatibility.
3812 */
3813 break;
3814 case QEMU_OPTION_startdate:
3815 configure_rtc_date_offset(optarg, 1);
3816 break;
3817 case QEMU_OPTION_rtc:
3818 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3819 false);
3820 if (!opts) {
3821 exit(1);
3822 }
3823 configure_rtc(opts);
3824 break;
3825 case QEMU_OPTION_tb_size:
3826 tcg_tb_size = strtol(optarg, NULL, 0);
3827 if (tcg_tb_size < 0) {
3828 tcg_tb_size = 0;
3829 }
3830 break;
3831 case QEMU_OPTION_icount:
3832 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3833 optarg, true);
3834 if (!icount_opts) {
3835 exit(1);
3836 }
3837 break;
3838 case QEMU_OPTION_incoming:
3839 if (!incoming) {
3840 runstate_set(RUN_STATE_INMIGRATE);
3841 }
3842 incoming = optarg;
3843 break;
3844 case QEMU_OPTION_nodefaults:
3845 has_defaults = 0;
3846 break;
3847 case QEMU_OPTION_xen_domid:
3848 if (!(xen_available())) {
3849 printf("Option %s not supported for this target\n", popt->name);
3850 exit(1);
3851 }
3852 xen_domid = atoi(optarg);
3853 break;
3854 case QEMU_OPTION_xen_create:
3855 if (!(xen_available())) {
3856 printf("Option %s not supported for this target\n", popt->name);
3857 exit(1);
3858 }
3859 xen_mode = XEN_CREATE;
3860 break;
3861 case QEMU_OPTION_xen_attach:
3862 if (!(xen_available())) {
3863 printf("Option %s not supported for this target\n", popt->name);
3864 exit(1);
3865 }
3866 xen_mode = XEN_ATTACH;
3867 break;
3868 case QEMU_OPTION_trace:
3869 {
3870 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3871 optarg, true);
3872 if (!opts) {
3873 exit(1);
3874 }
3875 if (qemu_opt_get(opts, "enable")) {
3876 trace_enable_events(qemu_opt_get(opts, "enable"));
3877 }
3878 trace_init_events(qemu_opt_get(opts, "events"));
3879 if (trace_file) {
3880 g_free(trace_file);
3881 }
3882 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3883 qemu_opts_del(opts);
3884 break;
3885 }
3886 case QEMU_OPTION_readconfig:
3887 {
3888 int ret = qemu_read_config_file(optarg);
3889 if (ret < 0) {
3890 error_report("read config %s: %s", optarg,
3891 strerror(-ret));
3892 exit(1);
3893 }
3894 break;
3895 }
3896 case QEMU_OPTION_spice:
3897 olist = qemu_find_opts("spice");
3898 if (!olist) {
3899 error_report("spice support is disabled");
3900 exit(1);
3901 }
3902 opts = qemu_opts_parse_noisily(olist, optarg, false);
3903 if (!opts) {
3904 exit(1);
3905 }
3906 display_remote++;
3907 break;
3908 case QEMU_OPTION_writeconfig:
3909 {
3910 FILE *fp;
3911 if (strcmp(optarg, "-") == 0) {
3912 fp = stdout;
3913 } else {
3914 fp = fopen(optarg, "w");
3915 if (fp == NULL) {
3916 error_report("open %s: %s", optarg,
3917 strerror(errno));
3918 exit(1);
3919 }
3920 }
3921 qemu_config_write(fp);
3922 if (fp != stdout) {
3923 fclose(fp);
3924 }
3925 break;
3926 }
3927 case QEMU_OPTION_qtest:
3928 qtest_chrdev = optarg;
3929 break;
3930 case QEMU_OPTION_qtest_log:
3931 qtest_log = optarg;
3932 break;
3933 case QEMU_OPTION_sandbox:
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3935 optarg, true);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 break;
3940 case QEMU_OPTION_add_fd:
3941 #ifndef _WIN32
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3943 optarg, false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 #else
3948 error_report("File descriptor passing is disabled on this "
3949 "platform");
3950 exit(1);
3951 #endif
3952 break;
3953 case QEMU_OPTION_object:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3955 optarg, true);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 break;
3960 case QEMU_OPTION_realtime:
3961 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3962 optarg, false);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3967 break;
3968 case QEMU_OPTION_msg:
3969 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3970 false);
3971 if (!opts) {
3972 exit(1);
3973 }
3974 configure_msg(opts);
3975 break;
3976 case QEMU_OPTION_dump_vmstate:
3977 if (vmstate_dump_file) {
3978 error_report("only one '-dump-vmstate' "
3979 "option may be given");
3980 exit(1);
3981 }
3982 vmstate_dump_file = fopen(optarg, "w");
3983 if (vmstate_dump_file == NULL) {
3984 error_report("open %s: %s", optarg, strerror(errno));
3985 exit(1);
3986 }
3987 break;
3988 default:
3989 os_parse_cmd_args(popt->index, optarg);
3990 }
3991 }
3992 }
3993 /*
3994 * Clear error location left behind by the loop.
3995 * Best done right after the loop. Do not insert code here!
3996 */
3997 loc_set_none();
3998
3999 replay_configure(icount_opts);
4000
4001 machine_class = select_machine();
4002
4003 set_memory_options(&ram_slots, &maxram_size, machine_class);
4004
4005 os_daemonize();
4006
4007 if (qemu_init_main_loop(&main_loop_err)) {
4008 error_report_err(main_loop_err);
4009 exit(1);
4010 }
4011
4012 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4013 parse_sandbox, NULL, NULL)) {
4014 exit(1);
4015 }
4016
4017 if (qemu_opts_foreach(qemu_find_opts("name"),
4018 parse_name, NULL, NULL)) {
4019 exit(1);
4020 }
4021
4022 #ifndef _WIN32
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4024 parse_add_fd, NULL, NULL)) {
4025 exit(1);
4026 }
4027
4028 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 cleanup_add_fd, NULL, NULL)) {
4030 exit(1);
4031 }
4032 #endif
4033
4034 current_machine = MACHINE(object_new(object_class_get_name(
4035 OBJECT_CLASS(machine_class))));
4036 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4037 exit(0);
4038 }
4039 object_property_add_child(object_get_root(), "machine",
4040 OBJECT(current_machine), &error_abort);
4041 cpu_exec_init_all();
4042
4043 if (machine_class->hw_version) {
4044 qemu_set_hw_version(machine_class->hw_version);
4045 }
4046
4047 if (cpu_model && is_help_option(cpu_model)) {
4048 list_cpus(stdout, &fprintf, cpu_model);
4049 exit(0);
4050 }
4051
4052 if (!trace_init_backends()) {
4053 exit(1);
4054 }
4055 trace_init_file(trace_file);
4056
4057 /* Open the logfile at this point and set the log mask if necessary.
4058 */
4059 if (log_file) {
4060 qemu_set_log_filename(log_file);
4061 }
4062
4063 if (log_mask) {
4064 int mask;
4065 mask = qemu_str_to_log_mask(log_mask);
4066 if (!mask) {
4067 qemu_print_log_usage(stdout);
4068 exit(1);
4069 }
4070 qemu_set_log(mask);
4071 } else {
4072 qemu_set_log(0);
4073 }
4074
4075 /* If no data_dir is specified then try to find it relative to the
4076 executable path. */
4077 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4078 data_dir[data_dir_idx] = os_find_datadir();
4079 if (data_dir[data_dir_idx] != NULL) {
4080 data_dir_idx++;
4081 }
4082 }
4083 /* If all else fails use the install path specified when building. */
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4086 }
4087
4088 /* -L help lists the data directories and exits. */
4089 if (list_data_dirs) {
4090 for (i = 0; i < data_dir_idx; i++) {
4091 printf("%s\n", data_dir[i]);
4092 }
4093 exit(0);
4094 }
4095
4096 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4097
4098 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4099 if (max_cpus > machine_class->max_cpus) {
4100 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4101 "supported by machine '%s' (%d)", max_cpus,
4102 machine_class->name, machine_class->max_cpus);
4103 exit(1);
4104 }
4105
4106 /*
4107 * Get the default machine options from the machine if it is not already
4108 * specified either by the configuration file or by the command line.
4109 */
4110 if (machine_class->default_machine_opts) {
4111 qemu_opts_set_defaults(qemu_find_opts("machine"),
4112 machine_class->default_machine_opts, 0);
4113 }
4114
4115 qemu_opts_foreach(qemu_find_opts("device"),
4116 default_driver_check, NULL, NULL);
4117 qemu_opts_foreach(qemu_find_opts("global"),
4118 default_driver_check, NULL, NULL);
4119
4120 if (!vga_model && !default_vga) {
4121 vga_interface_type = VGA_DEVICE;
4122 }
4123 if (!has_defaults || machine_class->no_serial) {
4124 default_serial = 0;
4125 }
4126 if (!has_defaults || machine_class->no_parallel) {
4127 default_parallel = 0;
4128 }
4129 if (!has_defaults || !machine_class->use_virtcon) {
4130 default_virtcon = 0;
4131 }
4132 if (!has_defaults || !machine_class->use_sclp) {
4133 default_sclp = 0;
4134 }
4135 if (!has_defaults || machine_class->no_floppy) {
4136 default_floppy = 0;
4137 }
4138 if (!has_defaults || machine_class->no_cdrom) {
4139 default_cdrom = 0;
4140 }
4141 if (!has_defaults || machine_class->no_sdcard) {
4142 default_sdcard = 0;
4143 }
4144 if (!has_defaults) {
4145 default_monitor = 0;
4146 default_net = 0;
4147 default_vga = 0;
4148 }
4149
4150 if (is_daemonized()) {
4151 /* According to documentation and historically, -nographic redirects
4152 * serial port, parallel port and monitor to stdio, which does not work
4153 * with -daemonize. We can redirect these to null instead, but since
4154 * -nographic is legacy, let's just error out.
4155 * We disallow -nographic only if all other ports are not redirected
4156 * explicitly, to not break existing legacy setups which uses
4157 * -nographic _and_ redirects all ports explicitly - this is valid
4158 * usage, -nographic is just a no-op in this case.
4159 */
4160 if (nographic
4161 && (default_parallel || default_serial
4162 || default_monitor || default_virtcon)) {
4163 error_report("-nographic cannot be used with -daemonize");
4164 exit(1);
4165 }
4166 #ifdef CONFIG_CURSES
4167 if (display_type == DT_CURSES) {
4168 error_report("curses display cannot be used with -daemonize");
4169 exit(1);
4170 }
4171 #endif
4172 }
4173
4174 if (nographic) {
4175 if (default_parallel)
4176 add_device_config(DEV_PARALLEL, "null");
4177 if (default_serial && default_monitor) {
4178 add_device_config(DEV_SERIAL, "mon:stdio");
4179 } else if (default_virtcon && default_monitor) {
4180 add_device_config(DEV_VIRTCON, "mon:stdio");
4181 } else if (default_sclp && default_monitor) {
4182 add_device_config(DEV_SCLP, "mon:stdio");
4183 } else {
4184 if (default_serial)
4185 add_device_config(DEV_SERIAL, "stdio");
4186 if (default_virtcon)
4187 add_device_config(DEV_VIRTCON, "stdio");
4188 if (default_sclp) {
4189 add_device_config(DEV_SCLP, "stdio");
4190 }
4191 if (default_monitor)
4192 monitor_parse("stdio", "readline", false);
4193 }
4194 } else {
4195 if (default_serial)
4196 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4197 if (default_parallel)
4198 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4199 if (default_monitor)
4200 monitor_parse("vc:80Cx24C", "readline", false);
4201 if (default_virtcon)
4202 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4203 if (default_sclp) {
4204 add_device_config(DEV_SCLP, "vc:80Cx24C");
4205 }
4206 }
4207
4208 #if defined(CONFIG_VNC)
4209 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4210 display_remote++;
4211 }
4212 #endif
4213 if (display_type == DT_DEFAULT && !display_remote) {
4214 #if defined(CONFIG_GTK)
4215 display_type = DT_GTK;
4216 #elif defined(CONFIG_SDL)
4217 display_type = DT_SDL;
4218 #elif defined(CONFIG_COCOA)
4219 display_type = DT_COCOA;
4220 #elif defined(CONFIG_VNC)
4221 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4222 show_vnc_port = 1;
4223 #else
4224 display_type = DT_NONE;
4225 #endif
4226 }
4227
4228 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4229 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4230 "for SDL, ignoring option");
4231 }
4232 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4233 error_report("-no-quit is only valid for GTK and SDL, "
4234 "ignoring option");
4235 }
4236
4237 if (display_type == DT_GTK) {
4238 early_gtk_display_init(request_opengl);
4239 }
4240
4241 if (display_type == DT_SDL) {
4242 sdl_display_early_init(request_opengl);
4243 }
4244
4245 if (request_opengl == 1 && display_opengl == 0) {
4246 #if defined(CONFIG_OPENGL)
4247 error_report("OpenGL is not supported by the display");
4248 #else
4249 error_report("OpenGL support is disabled");
4250 #endif
4251 exit(1);
4252 }
4253
4254 page_size_init();
4255 socket_init();
4256
4257 if (qemu_opts_foreach(qemu_find_opts("object"),
4258 user_creatable_add_opts_foreach,
4259 object_create_initial, NULL)) {
4260 exit(1);
4261 }
4262
4263 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4264 chardev_init_func, NULL, NULL)) {
4265 exit(1);
4266 }
4267
4268 #ifdef CONFIG_VIRTFS
4269 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4270 fsdev_init_func, NULL, NULL)) {
4271 exit(1);
4272 }
4273 #endif
4274
4275 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4276 error_report("could not acquire pid file: %s", strerror(errno));
4277 exit(1);
4278 }
4279
4280 if (qemu_opts_foreach(qemu_find_opts("device"),
4281 device_help_func, NULL, NULL)) {
4282 exit(0);
4283 }
4284
4285 machine_opts = qemu_get_machine_opts();
4286 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4287 NULL)) {
4288 object_unref(OBJECT(current_machine));
4289 exit(1);
4290 }
4291
4292 configure_accelerator(current_machine);
4293
4294 if (qtest_chrdev) {
4295 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4296 }
4297
4298 machine_opts = qemu_get_machine_opts();
4299 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4300 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4301 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4302 bios_name = qemu_opt_get(machine_opts, "firmware");
4303
4304 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4305 if (opts) {
4306 boot_order = qemu_opt_get(opts, "order");
4307 if (boot_order) {
4308 validate_bootdevices(boot_order, &error_fatal);
4309 }
4310
4311 boot_once = qemu_opt_get(opts, "once");
4312 if (boot_once) {
4313 validate_bootdevices(boot_once, &error_fatal);
4314 }
4315
4316 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4317 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4318 }
4319
4320 if (!boot_order) {
4321 boot_order = machine_class->default_boot_order;
4322 }
4323
4324 if (!kernel_cmdline) {
4325 kernel_cmdline = "";
4326 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4327 }
4328
4329 linux_boot = (kernel_filename != NULL);
4330
4331 if (!linux_boot && *kernel_cmdline != '\0') {
4332 error_report("-append only allowed with -kernel option");
4333 exit(1);
4334 }
4335
4336 if (!linux_boot && initrd_filename != NULL) {
4337 error_report("-initrd only allowed with -kernel option");
4338 exit(1);
4339 }
4340
4341 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4342 error_report("-dtb only allowed with -kernel option");
4343 exit(1);
4344 }
4345
4346 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4347 /* fall back to the -kernel/-append */
4348 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4349 }
4350
4351 os_set_line_buffering();
4352
4353 /* spice needs the timers to be initialized by this point */
4354 qemu_spice_init();
4355
4356 cpu_ticks_init();
4357 if (icount_opts) {
4358 if (kvm_enabled() || xen_enabled()) {
4359 error_report("-icount is not allowed with kvm or xen");
4360 exit(1);
4361 }
4362 configure_icount(icount_opts, &error_abort);
4363 qemu_opts_del(icount_opts);
4364 }
4365
4366 /* clean up network at qemu process termination */
4367 atexit(&net_cleanup);
4368
4369 if (default_net) {
4370 QemuOptsList *net = qemu_find_opts("net");
4371 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4372 #ifdef CONFIG_SLIRP
4373 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4374 #endif
4375 }
4376
4377 if (net_init_clients() < 0) {
4378 exit(1);
4379 }
4380
4381 if (qemu_opts_foreach(qemu_find_opts("object"),
4382 user_creatable_add_opts_foreach,
4383 object_create_delayed, NULL)) {
4384 exit(1);
4385 }
4386
4387 #ifdef CONFIG_TPM
4388 if (tpm_init() < 0) {
4389 exit(1);
4390 }
4391 #endif
4392
4393 /* init the bluetooth world */
4394 if (foreach_device_config(DEV_BT, bt_parse))
4395 exit(1);
4396
4397 if (!xen_enabled()) {
4398 /* On 32-bit hosts, QEMU is limited by virtual address space */
4399 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4400 error_report("at most 2047 MB RAM can be simulated");
4401 exit(1);
4402 }
4403 }
4404
4405 blk_mig_init();
4406 ram_mig_init();
4407
4408 /* If the currently selected machine wishes to override the units-per-bus
4409 * property of its default HBA interface type, do so now. */
4410 if (machine_class->units_per_default_bus) {
4411 override_max_devs(machine_class->block_default_type,
4412 machine_class->units_per_default_bus);
4413 }
4414
4415 /* open the virtual block devices */
4416 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4417 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4418 NULL, NULL);
4419 }
4420 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4421 &machine_class->block_default_type, NULL)) {
4422 exit(1);
4423 }
4424
4425 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4426 CDROM_OPTS);
4427 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4428 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4429
4430 parse_numa_opts(machine_class);
4431
4432 if (qemu_opts_foreach(qemu_find_opts("mon"),
4433 mon_init_func, NULL, NULL)) {
4434 exit(1);
4435 }
4436
4437 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4438 exit(1);
4439 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4440 exit(1);
4441 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4442 exit(1);
4443 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4444 exit(1);
4445 }
4446 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4447 exit(1);
4448
4449 /* If no default VGA is requested, the default is "none". */
4450 if (default_vga) {
4451 if (machine_class->default_display) {
4452 vga_model = machine_class->default_display;
4453 } else if (vga_interface_available(VGA_CIRRUS)) {
4454 vga_model = "cirrus";
4455 } else if (vga_interface_available(VGA_STD)) {
4456 vga_model = "std";
4457 }
4458 }
4459 if (vga_model) {
4460 select_vgahw(vga_model);
4461 }
4462
4463 if (watchdog) {
4464 i = select_watchdog(watchdog);
4465 if (i > 0)
4466 exit (i == 1 ? 1 : 0);
4467 }
4468
4469 if (machine_class->compat_props) {
4470 GlobalProperty *p;
4471 for (i = 0; i < machine_class->compat_props->len; i++) {
4472 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4473 qdev_prop_register_global(p);
4474 }
4475 }
4476 qemu_add_globals();
4477
4478 /* This checkpoint is required by replay to separate prior clock
4479 reading from the other reads, because timer polling functions query
4480 clock values from the log. */
4481 replay_checkpoint(CHECKPOINT_INIT);
4482 qdev_machine_init();
4483
4484 current_machine->ram_size = ram_size;
4485 current_machine->maxram_size = maxram_size;
4486 current_machine->ram_slots = ram_slots;
4487 current_machine->boot_order = boot_order;
4488 current_machine->cpu_model = cpu_model;
4489
4490 machine_class->init(current_machine);
4491
4492 realtime_init();
4493
4494 audio_init();
4495
4496 cpu_synchronize_all_post_init();
4497
4498 numa_post_machine_init();
4499
4500 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4501 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4502 exit(1);
4503 }
4504
4505 /* init USB devices */
4506 if (machine_usb(current_machine)) {
4507 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4508 exit(1);
4509 }
4510
4511 /* Check if IGD GFX passthrough. */
4512 igd_gfx_passthru();
4513
4514 /* init generic devices */
4515 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4516 if (qemu_opts_foreach(qemu_find_opts("device"),
4517 device_init_func, NULL, NULL)) {
4518 exit(1);
4519 }
4520 rom_reset_order_override();
4521
4522 /* Did we create any drives that we failed to create a device for? */
4523 drive_check_orphaned();
4524
4525 /* Don't warn about the default network setup that you get if
4526 * no command line -net or -netdev options are specified. There
4527 * are two cases that we would otherwise complain about:
4528 * (1) board doesn't support a NIC but the implicit "-net nic"
4529 * requested one
4530 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4531 * sets up a nic that isn't connected to anything.
4532 */
4533 if (!default_net) {
4534 net_check_clients();
4535 }
4536
4537
4538 if (boot_once) {
4539 qemu_boot_set(boot_once, &error_fatal);
4540 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4541 }
4542
4543 ds = init_displaystate();
4544
4545 /* init local displays */
4546 switch (display_type) {
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 case DT_SDL:
4551 sdl_display_init(ds, full_screen, no_frame);
4552 break;
4553 case DT_COCOA:
4554 cocoa_display_init(ds, full_screen);
4555 break;
4556 case DT_GTK:
4557 gtk_display_init(ds, full_screen, grab_on_hover);
4558 break;
4559 default:
4560 break;
4561 }
4562
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4565
4566 /* init remote displays */
4567 qemu_opts_foreach(qemu_find_opts("vnc"),
4568 vnc_init_func, NULL, NULL);
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on '%s'\n", ret);
4572 g_free(ret);
4573 }
4574
4575 if (using_spice) {
4576 qemu_spice_display_init();
4577 }
4578
4579 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4580 exit(1);
4581 }
4582
4583 qdev_machine_creation_done();
4584
4585 /* TODO: once all bus devices are qdevified, this should be done
4586 * when bus is created by qdev.c */
4587 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4588 qemu_run_machine_init_done_notifiers();
4589
4590 if (rom_check_and_register_reset() != 0) {
4591 error_report("rom check and register reset failed");
4592 exit(1);
4593 }
4594
4595 replay_start();
4596
4597 /* This checkpoint is required by replay to separate prior clock
4598 reading from the other reads, because timer polling functions query
4599 clock values from the log. */
4600 replay_checkpoint(CHECKPOINT_RESET);
4601 qemu_system_reset(VMRESET_SILENT);
4602 register_global_state();
4603 if (loadvm) {
4604 if (load_vmstate(loadvm) < 0) {
4605 autostart = 0;
4606 }
4607 }
4608
4609 qdev_prop_check_globals();
4610 if (vmstate_dump_file) {
4611 /* dump and exit */
4612 dump_vmstate_json_to_file(vmstate_dump_file);
4613 return 0;
4614 }
4615
4616 if (incoming) {
4617 Error *local_err = NULL;
4618 qemu_start_incoming_migration(incoming, &local_err);
4619 if (local_err) {
4620 error_reportf_err(local_err, "-incoming %s: ", incoming);
4621 exit(1);
4622 }
4623 } else if (autostart) {
4624 vm_start();
4625 }
4626
4627 os_setup_post();
4628
4629 main_loop();
4630 replay_disable_events();
4631
4632 bdrv_close_all();
4633 pause_all_vcpus();
4634 res_free();
4635 #ifdef CONFIG_TPM
4636 tpm_cleanup();
4637 #endif
4638
4639 return 0;
4640 }
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