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spice: Initialization stubs on qemu-spice.h
[qemu/kevin.git] / vl.c
blob8576556f812da03566a931a41cdb28a02e072f57
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 DisplayType display_type = DT_DEFAULT;
133 int request_opengl = -1;
134 int display_opengl;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 0;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 uint8_t qemu_uuid[16];
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212
213 static struct {
214 const char *driver;
215 int *flag;
216 } default_list[] = {
217 { .driver = "isa-serial", .flag = &default_serial },
218 { .driver = "isa-parallel", .flag = &default_parallel },
219 { .driver = "isa-fdc", .flag = &default_floppy },
220 { .driver = "ide-cd", .flag = &default_cdrom },
221 { .driver = "ide-hd", .flag = &default_cdrom },
222 { .driver = "ide-drive", .flag = &default_cdrom },
223 { .driver = "scsi-cd", .flag = &default_cdrom },
224 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
225 { .driver = "virtio-serial", .flag = &default_virtcon },
226 { .driver = "VGA", .flag = &default_vga },
227 { .driver = "isa-vga", .flag = &default_vga },
228 { .driver = "cirrus-vga", .flag = &default_vga },
229 { .driver = "isa-cirrus-vga", .flag = &default_vga },
230 { .driver = "vmware-svga", .flag = &default_vga },
231 { .driver = "qxl-vga", .flag = &default_vga },
232 { .driver = "virtio-vga", .flag = &default_vga },
233 };
234
235 static QemuOptsList qemu_rtc_opts = {
236 .name = "rtc",
237 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
238 .desc = {
239 {
240 .name = "base",
241 .type = QEMU_OPT_STRING,
242 },{
243 .name = "clock",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "driftfix",
247 .type = QEMU_OPT_STRING,
248 },
249 { /* end of list */ }
250 },
251 };
252
253 static QemuOptsList qemu_sandbox_opts = {
254 .name = "sandbox",
255 .implied_opt_name = "enable",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
257 .desc = {
258 {
259 .name = "enable",
260 .type = QEMU_OPT_BOOL,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_trace_opts = {
267 .name = "trace",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_STRING,
274 },
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "rr",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "rrfile",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_semihosting_config_opts = {
489 .name = "semihosting-config",
490 .implied_opt_name = "enable",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
492 .desc = {
493 {
494 .name = "enable",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "target",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "arg",
501 .type = QEMU_OPT_STRING,
502 },
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_fw_cfg_opts = {
508 .name = "fw_cfg",
509 .implied_opt_name = "name",
510 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
511 .desc = {
512 {
513 .name = "name",
514 .type = QEMU_OPT_STRING,
515 .help = "Sets the fw_cfg name of the blob to be inserted",
516 }, {
517 .name = "file",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets the name of the file from which\n"
520 "the fw_cfg blob will be loaded",
521 }, {
522 .name = "string",
523 .type = QEMU_OPT_STRING,
524 .help = "Sets content of the blob to be inserted from a string",
525 },
526 { /* end of list */ }
527 },
528 };
529
530 /**
531 * Get machine options
532 *
533 * Returns: machine options (never null).
534 */
535 QemuOpts *qemu_get_machine_opts(void)
536 {
537 return qemu_find_opts_singleton("machine");
538 }
539
540 const char *qemu_get_vm_name(void)
541 {
542 return qemu_name;
543 }
544
545 static void res_free(void)
546 {
547 g_free(boot_splash_filedata);
548 boot_splash_filedata = NULL;
549 }
550
551 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
552 {
553 const char *driver = qemu_opt_get(opts, "driver");
554 int i;
555
556 if (!driver)
557 return 0;
558 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559 if (strcmp(default_list[i].driver, driver) != 0)
560 continue;
561 *(default_list[i].flag) = 0;
562 }
563 return 0;
564 }
565
566 /***********************************************************/
567 /* QEMU state */
568
569 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570
571 /* We use RUN_STATE__MAX but any invalid value will do */
572 static RunState vmstop_requested = RUN_STATE__MAX;
573 static QemuMutex vmstop_lock;
574
575 typedef struct {
576 RunState from;
577 RunState to;
578 } RunStateTransition;
579
580 static const RunStateTransition runstate_transitions_def[] = {
581 /* from -> to */
582 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
583 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585
586 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
593 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
596 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
601
602 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
603 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
617
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
623 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
626 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
628 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
629 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
632 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
633 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
634 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
635
636 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
643 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
644 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
645 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
649 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
655
656 { RUN_STATE__MAX, RUN_STATE__MAX },
657 };
658
659 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
660
661 bool runstate_check(RunState state)
662 {
663 return current_run_state == state;
664 }
665
666 bool runstate_store(char *str, size_t size)
667 {
668 const char *state = RunState_lookup[current_run_state];
669 size_t len = strlen(state) + 1;
670
671 if (len > size) {
672 return false;
673 }
674 memcpy(str, state, len);
675 return true;
676 }
677
678 static void runstate_init(void)
679 {
680 const RunStateTransition *p;
681
682 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
683 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
684 runstate_valid_transitions[p->from][p->to] = true;
685 }
686
687 qemu_mutex_init(&vmstop_lock);
688 }
689
690 /* This function will abort() on invalid state transitions */
691 void runstate_set(RunState new_state)
692 {
693 assert(new_state < RUN_STATE__MAX);
694
695 if (!runstate_valid_transitions[current_run_state][new_state]) {
696 error_report("invalid runstate transition: '%s' -> '%s'",
697 RunState_lookup[current_run_state],
698 RunState_lookup[new_state]);
699 abort();
700 }
701 trace_runstate_set(new_state);
702 current_run_state = new_state;
703 }
704
705 int runstate_is_running(void)
706 {
707 return runstate_check(RUN_STATE_RUNNING);
708 }
709
710 bool runstate_needs_reset(void)
711 {
712 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
713 runstate_check(RUN_STATE_SHUTDOWN);
714 }
715
716 StatusInfo *qmp_query_status(Error **errp)
717 {
718 StatusInfo *info = g_malloc0(sizeof(*info));
719
720 info->running = runstate_is_running();
721 info->singlestep = singlestep;
722 info->status = current_run_state;
723
724 return info;
725 }
726
727 static bool qemu_vmstop_requested(RunState *r)
728 {
729 qemu_mutex_lock(&vmstop_lock);
730 *r = vmstop_requested;
731 vmstop_requested = RUN_STATE__MAX;
732 qemu_mutex_unlock(&vmstop_lock);
733 return *r < RUN_STATE__MAX;
734 }
735
736 void qemu_system_vmstop_request_prepare(void)
737 {
738 qemu_mutex_lock(&vmstop_lock);
739 }
740
741 void qemu_system_vmstop_request(RunState state)
742 {
743 vmstop_requested = state;
744 qemu_mutex_unlock(&vmstop_lock);
745 qemu_notify_event();
746 }
747
748 void vm_start(void)
749 {
750 RunState requested;
751
752 qemu_vmstop_requested(&requested);
753 if (runstate_is_running() && requested == RUN_STATE__MAX) {
754 return;
755 }
756
757 /* Ensure that a STOP/RESUME pair of events is emitted if a
758 * vmstop request was pending. The BLOCK_IO_ERROR event, for
759 * example, according to documentation is always followed by
760 * the STOP event.
761 */
762 if (runstate_is_running()) {
763 qapi_event_send_stop(&error_abort);
764 } else {
765 cpu_enable_ticks();
766 runstate_set(RUN_STATE_RUNNING);
767 vm_state_notify(1, RUN_STATE_RUNNING);
768 resume_all_vcpus();
769 }
770
771 qapi_event_send_resume(&error_abort);
772 }
773
774
775 /***********************************************************/
776 /* real time host monotonic timer */
777
778 static time_t qemu_time(void)
779 {
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 }
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti = qemu_time();
788
789 ti += offset;
790 if (rtc_date_offset == -1) {
791 if (rtc_utc)
792 gmtime_r(&ti, tm);
793 else
794 localtime_r(&ti, tm);
795 } else {
796 ti -= rtc_date_offset;
797 gmtime_r(&ti, tm);
798 }
799 }
800
801 int qemu_timedate_diff(struct tm *tm)
802 {
803 time_t seconds;
804
805 if (rtc_date_offset == -1)
806 if (rtc_utc)
807 seconds = mktimegm(tm);
808 else {
809 struct tm tmp = *tm;
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
812 }
813 else
814 seconds = mktimegm(tm) + rtc_date_offset;
815
816 return seconds - qemu_time();
817 }
818
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 {
821 time_t rtc_start_date;
822 struct tm tm;
823
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
826 } else {
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday,
831 &tm.tm_hour,
832 &tm.tm_min,
833 &tm.tm_sec) == 6) {
834 /* OK */
835 } else if (sscanf(startdate, "%d-%d-%d",
836 &tm.tm_year,
837 &tm.tm_mon,
838 &tm.tm_mday) == 3) {
839 tm.tm_hour = 0;
840 tm.tm_min = 0;
841 tm.tm_sec = 0;
842 } else {
843 goto date_fail;
844 }
845 tm.tm_year -= 1900;
846 tm.tm_mon--;
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
849 date_fail:
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = qemu_time() - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
869 rtc_utc = 0;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
873 } else {
874 configure_rtc_date_offset(value, 0);
875 }
876 }
877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 } else {
886 error_report("invalid option value '%s'", value);
887 exit(1);
888 }
889 }
890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks[] = {
894 {
895 .driver = "mc146818rtc",
896 .property = "lost_tick_policy",
897 .value = "slew",
898 },
899 { /* end of list */ }
900 };
901
902 qdev_prop_register_global_list(slew_lost_ticks);
903 } else if (!strcmp(value, "none")) {
904 /* discard is default */
905 } else {
906 error_report("invalid option value '%s'", value);
907 exit(1);
908 }
909 }
910 }
911
912 /***********************************************************/
913 /* Bluetooth support */
914 static int nb_hcis;
915 static int cur_hci;
916 static struct HCIInfo *hci_table[MAX_NICS];
917
918 struct HCIInfo *qemu_next_hci(void)
919 {
920 if (cur_hci == nb_hcis)
921 return &null_hci;
922
923 return hci_table[cur_hci++];
924 }
925
926 static int bt_hci_parse(const char *str)
927 {
928 struct HCIInfo *hci;
929 bdaddr_t bdaddr;
930
931 if (nb_hcis >= MAX_NICS) {
932 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
933 return -1;
934 }
935
936 hci = hci_init(str);
937 if (!hci)
938 return -1;
939
940 bdaddr.b[0] = 0x52;
941 bdaddr.b[1] = 0x54;
942 bdaddr.b[2] = 0x00;
943 bdaddr.b[3] = 0x12;
944 bdaddr.b[4] = 0x34;
945 bdaddr.b[5] = 0x56 + nb_hcis;
946 hci->bdaddr_set(hci, bdaddr.b);
947
948 hci_table[nb_hcis++] = hci;
949
950 return 0;
951 }
952
953 static void bt_vhci_add(int vlan_id)
954 {
955 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 error_report("warning: adding a VHCI to an empty scatternet %i",
959 vlan_id);
960
961 bt_vhci_init(bt_new_hci(vlan));
962 }
963
964 static struct bt_device_s *bt_device_add(const char *opt)
965 {
966 struct bt_scatternet_s *vlan;
967 int vlan_id = 0;
968 char *endp = strstr(opt, ",vlan=");
969 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 char devname[10];
971
972 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973
974 if (endp) {
975 vlan_id = strtol(endp + 6, &endp, 0);
976 if (*endp) {
977 error_report("unrecognised bluetooth vlan Id");
978 return 0;
979 }
980 }
981
982 vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 error_report("warning: adding a slave device to an empty scatternet %i",
986 vlan_id);
987
988 if (!strcmp(devname, "keyboard"))
989 return bt_keyboard_init(vlan);
990
991 error_report("unsupported bluetooth device '%s'", devname);
992 return 0;
993 }
994
995 static int bt_parse(const char *opt)
996 {
997 const char *endp, *p;
998 int vlan;
999
1000 if (strstart(opt, "hci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp)
1003 if (!strstart(endp, ",vlan=", 0))
1004 opt = endp + 1;
1005
1006 return bt_hci_parse(opt);
1007 }
1008 } else if (strstart(opt, "vhci", &endp)) {
1009 if (!*endp || *endp == ',') {
1010 if (*endp) {
1011 if (strstart(endp, ",vlan=", &p)) {
1012 vlan = strtol(p, (char **) &endp, 0);
1013 if (*endp) {
1014 error_report("bad scatternet '%s'", p);
1015 return 1;
1016 }
1017 } else {
1018 error_report("bad parameter '%s'", endp + 1);
1019 return 1;
1020 }
1021 } else
1022 vlan = 0;
1023
1024 bt_vhci_add(vlan);
1025 return 0;
1026 }
1027 } else if (strstart(opt, "device:", &endp))
1028 return !bt_device_add(endp);
1029
1030 error_report("bad bluetooth parameter '%s'", opt);
1031 return 1;
1032 }
1033
1034 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 {
1036 /* FIXME: change this to true for 1.3 */
1037 if (qemu_opt_get_bool(opts, "enable", false)) {
1038 #ifdef CONFIG_SECCOMP
1039 if (seccomp_start() < 0) {
1040 error_report("failed to install seccomp syscall filter "
1041 "in the kernel");
1042 return -1;
1043 }
1044 #else
1045 error_report("seccomp support is disabled");
1046 return -1;
1047 #endif
1048 }
1049
1050 return 0;
1051 }
1052
1053 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 const char *proc_name;
1056
1057 if (qemu_opt_get(opts, "debug-threads")) {
1058 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 }
1060 qemu_name = qemu_opt_get(opts, "guest");
1061
1062 proc_name = qemu_opt_get(opts, "process");
1063 if (proc_name) {
1064 os_set_proc_name(proc_name);
1065 }
1066
1067 return 0;
1068 }
1069
1070 bool defaults_enabled(void)
1071 {
1072 return has_defaults;
1073 }
1074
1075 bool usb_enabled(void)
1076 {
1077 return machine_usb(current_machine);
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_report("fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_report("fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_report("fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_report("set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_report("error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type);
1190 if (!dinfo) {
1191 exit(1);
1192 }
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 sockets = sockets > 0 ? sockets : 1;
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 cpus = cores * threads * sockets;
1239 }
1240 } else if (cores == 0) {
1241 threads = threads > 0 ? threads : 1;
1242 cores = cpus / (sockets * threads);
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 } else if (sockets * cores * threads < cpus) {
1246 error_report("cpu topology: "
1247 "sockets (%u) * cores (%u) * threads (%u) < "
1248 "smp_cpus (%u)",
1249 sockets, cores, threads, cpus);
1250 exit(1);
1251 }
1252
1253 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1254 if (sockets * cores * threads > max_cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) > "
1257 "maxcpus (%u)",
1258 sockets, cores, threads, max_cpus);
1259 exit(1);
1260 }
1261
1262 smp_cpus = cpus;
1263 smp_cores = cores > 0 ? cores : 1;
1264 smp_threads = threads > 0 ? threads : 1;
1265
1266 }
1267
1268 if (max_cpus == 0) {
1269 max_cpus = smp_cpus;
1270 }
1271
1272 if (max_cpus > MAX_CPUMASK_BITS) {
1273 error_report("unsupported number of maxcpus");
1274 exit(1);
1275 }
1276 if (max_cpus < smp_cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392 #ifndef CONFIG_LINUX
1393 const char *p;
1394 #endif
1395
1396 if (!usb_enabled()) {
1397 return -1;
1398 }
1399
1400 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1401 dev = usbdevice_create(devname);
1402 if (dev)
1403 goto done;
1404
1405 /* the other ones */
1406 #ifndef CONFIG_LINUX
1407 /* only the linux version is qdev-ified, usb-bsd still needs this */
1408 if (strstart(devname, "host:", &p)) {
1409 dev = usb_host_device_open(usb_bus_find(-1), p);
1410 }
1411 #endif
1412 if (!dev)
1413 return -1;
1414
1415 done:
1416 return 0;
1417 }
1418
1419 static int usb_device_del(const char *devname)
1420 {
1421 int bus_num, addr;
1422 const char *p;
1423
1424 if (strstart(devname, "host:", &p)) {
1425 return -1;
1426 }
1427
1428 if (!usb_enabled()) {
1429 return -1;
1430 }
1431
1432 p = strchr(devname, '.');
1433 if (!p)
1434 return -1;
1435 bus_num = strtoul(devname, NULL, 0);
1436 addr = strtoul(p + 1, NULL, 0);
1437
1438 return usb_device_delete_addr(bus_num, addr);
1439 }
1440
1441 static int usb_parse(const char *cmdline)
1442 {
1443 int r;
1444 r = usb_device_add(cmdline);
1445 if (r < 0) {
1446 error_report("could not add USB device '%s'", cmdline);
1447 }
1448 return r;
1449 }
1450
1451 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_add(devname) < 0) {
1455 error_report("could not add USB device '%s'", devname);
1456 }
1457 }
1458
1459 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462 if (usb_device_del(devname) < 0) {
1463 error_report("could not delete USB device '%s'", devname);
1464 }
1465 }
1466
1467 /***********************************************************/
1468 /* machine registration */
1469
1470 MachineState *current_machine;
1471
1472 static MachineClass *find_machine(const char *name)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineClass *mc = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *temp = el->data;
1479
1480 if (!strcmp(temp->name, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 if (temp->alias &&
1485 !strcmp(temp->alias, name)) {
1486 mc = temp;
1487 break;
1488 }
1489 }
1490
1491 g_slist_free(machines);
1492 return mc;
1493 }
1494
1495 MachineClass *find_default_machine(void)
1496 {
1497 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1498 MachineClass *mc = NULL;
1499
1500 for (el = machines; el; el = el->next) {
1501 MachineClass *temp = el->data;
1502
1503 if (temp->is_default) {
1504 mc = temp;
1505 break;
1506 }
1507 }
1508
1509 g_slist_free(machines);
1510 return mc;
1511 }
1512
1513 MachineInfoList *qmp_query_machines(Error **errp)
1514 {
1515 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1516 MachineInfoList *mach_list = NULL;
1517
1518 for (el = machines; el; el = el->next) {
1519 MachineClass *mc = el->data;
1520 MachineInfoList *entry;
1521 MachineInfo *info;
1522
1523 info = g_malloc0(sizeof(*info));
1524 if (mc->is_default) {
1525 info->has_is_default = true;
1526 info->is_default = true;
1527 }
1528
1529 if (mc->alias) {
1530 info->has_alias = true;
1531 info->alias = g_strdup(mc->alias);
1532 }
1533
1534 info->name = g_strdup(mc->name);
1535 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1536
1537 entry = g_malloc0(sizeof(*entry));
1538 entry->value = info;
1539 entry->next = mach_list;
1540 mach_list = entry;
1541 }
1542
1543 g_slist_free(machines);
1544 return mach_list;
1545 }
1546
1547 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1548 {
1549 ObjectProperty *prop;
1550 ObjectPropertyIterator iter;
1551
1552 if (!qemu_opt_has_help_opt(opts)) {
1553 return 0;
1554 }
1555
1556 object_property_iter_init(&iter, OBJECT(machine));
1557 while ((prop = object_property_iter_next(&iter))) {
1558 if (!prop->set) {
1559 continue;
1560 }
1561
1562 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1563 prop->name, prop->type);
1564 if (prop->description) {
1565 error_printf(" (%s)\n", prop->description);
1566 } else {
1567 error_printf("\n");
1568 }
1569 }
1570
1571 return 1;
1572 }
1573
1574 /***********************************************************/
1575 /* main execution loop */
1576
1577 struct vm_change_state_entry {
1578 VMChangeStateHandler *cb;
1579 void *opaque;
1580 QLIST_ENTRY (vm_change_state_entry) entries;
1581 };
1582
1583 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1584
1585 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1586 void *opaque)
1587 {
1588 VMChangeStateEntry *e;
1589
1590 e = g_malloc0(sizeof (*e));
1591
1592 e->cb = cb;
1593 e->opaque = opaque;
1594 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1595 return e;
1596 }
1597
1598 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1599 {
1600 QLIST_REMOVE (e, entries);
1601 g_free (e);
1602 }
1603
1604 void vm_state_notify(int running, RunState state)
1605 {
1606 VMChangeStateEntry *e, *next;
1607
1608 trace_vm_state_notify(running, state);
1609
1610 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1611 e->cb(e->opaque, running, state);
1612 }
1613 }
1614
1615 /* reset/shutdown handler */
1616
1617 typedef struct QEMUResetEntry {
1618 QTAILQ_ENTRY(QEMUResetEntry) entry;
1619 QEMUResetHandler *func;
1620 void *opaque;
1621 } QEMUResetEntry;
1622
1623 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1624 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1625 static int reset_requested;
1626 static int shutdown_requested, shutdown_signal = -1;
1627 static pid_t shutdown_pid;
1628 static int powerdown_requested;
1629 static int debug_requested;
1630 static int suspend_requested;
1631 static WakeupReason wakeup_reason;
1632 static NotifierList powerdown_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1634 static NotifierList suspend_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1636 static NotifierList wakeup_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1638 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1639
1640 int qemu_shutdown_requested_get(void)
1641 {
1642 return shutdown_requested;
1643 }
1644
1645 int qemu_reset_requested_get(void)
1646 {
1647 return reset_requested;
1648 }
1649
1650 static int qemu_shutdown_requested(void)
1651 {
1652 return atomic_xchg(&shutdown_requested, 0);
1653 }
1654
1655 static void qemu_kill_report(void)
1656 {
1657 if (!qtest_driver() && shutdown_signal != -1) {
1658 if (shutdown_pid == 0) {
1659 /* This happens for eg ^C at the terminal, so it's worth
1660 * avoiding printing an odd message in that case.
1661 */
1662 error_report("terminating on signal %d", shutdown_signal);
1663 } else {
1664 error_report("terminating on signal %d from pid " FMT_pid,
1665 shutdown_signal, shutdown_pid);
1666 }
1667 shutdown_signal = -1;
1668 }
1669 }
1670
1671 static int qemu_reset_requested(void)
1672 {
1673 int r = reset_requested;
1674 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1675 reset_requested = 0;
1676 return r;
1677 }
1678 return false;
1679 }
1680
1681 static int qemu_suspend_requested(void)
1682 {
1683 int r = suspend_requested;
1684 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1685 suspend_requested = 0;
1686 return r;
1687 }
1688 return false;
1689 }
1690
1691 static WakeupReason qemu_wakeup_requested(void)
1692 {
1693 return wakeup_reason;
1694 }
1695
1696 static int qemu_powerdown_requested(void)
1697 {
1698 int r = powerdown_requested;
1699 powerdown_requested = 0;
1700 return r;
1701 }
1702
1703 static int qemu_debug_requested(void)
1704 {
1705 int r = debug_requested;
1706 debug_requested = 0;
1707 return r;
1708 }
1709
1710 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1713
1714 re->func = func;
1715 re->opaque = opaque;
1716 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1717 }
1718
1719 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1720 {
1721 QEMUResetEntry *re;
1722
1723 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1724 if (re->func == func && re->opaque == opaque) {
1725 QTAILQ_REMOVE(&reset_handlers, re, entry);
1726 g_free(re);
1727 return;
1728 }
1729 }
1730 }
1731
1732 void qemu_devices_reset(void)
1733 {
1734 QEMUResetEntry *re, *nre;
1735
1736 /* reset all devices */
1737 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1738 re->func(re->opaque);
1739 }
1740 }
1741
1742 void qemu_system_reset(bool report)
1743 {
1744 MachineClass *mc;
1745
1746 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1747
1748 cpu_synchronize_all_states();
1749
1750 if (mc && mc->reset) {
1751 mc->reset();
1752 } else {
1753 qemu_devices_reset();
1754 }
1755 if (report) {
1756 qapi_event_send_reset(&error_abort);
1757 }
1758 cpu_synchronize_all_post_reset();
1759 }
1760
1761 void qemu_system_guest_panicked(void)
1762 {
1763 if (current_cpu) {
1764 current_cpu->crash_occurred = true;
1765 }
1766 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1767 vm_stop(RUN_STATE_GUEST_PANICKED);
1768 }
1769
1770 void qemu_system_reset_request(void)
1771 {
1772 if (no_reboot) {
1773 shutdown_requested = 1;
1774 } else {
1775 reset_requested = 1;
1776 }
1777 cpu_stop_current();
1778 qemu_notify_event();
1779 }
1780
1781 static void qemu_system_suspend(void)
1782 {
1783 pause_all_vcpus();
1784 notifier_list_notify(&suspend_notifiers, NULL);
1785 runstate_set(RUN_STATE_SUSPENDED);
1786 qapi_event_send_suspend(&error_abort);
1787 }
1788
1789 void qemu_system_suspend_request(void)
1790 {
1791 if (runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 suspend_requested = 1;
1795 cpu_stop_current();
1796 qemu_notify_event();
1797 }
1798
1799 void qemu_register_suspend_notifier(Notifier *notifier)
1800 {
1801 notifier_list_add(&suspend_notifiers, notifier);
1802 }
1803
1804 void qemu_system_wakeup_request(WakeupReason reason)
1805 {
1806 trace_system_wakeup_request(reason);
1807
1808 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1809 return;
1810 }
1811 if (!(wakeup_reason_mask & (1 << reason))) {
1812 return;
1813 }
1814 runstate_set(RUN_STATE_RUNNING);
1815 wakeup_reason = reason;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820 {
1821 if (enabled) {
1822 wakeup_reason_mask |= (1 << reason);
1823 } else {
1824 wakeup_reason_mask &= ~(1 << reason);
1825 }
1826 }
1827
1828 void qemu_register_wakeup_notifier(Notifier *notifier)
1829 {
1830 notifier_list_add(&wakeup_notifiers, notifier);
1831 }
1832
1833 void qemu_system_killed(int signal, pid_t pid)
1834 {
1835 shutdown_signal = signal;
1836 shutdown_pid = pid;
1837 no_shutdown = 0;
1838
1839 /* Cannot call qemu_system_shutdown_request directly because
1840 * we are in a signal handler.
1841 */
1842 shutdown_requested = 1;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_shutdown_request(void)
1847 {
1848 trace_qemu_system_shutdown_request();
1849 replay_shutdown_request();
1850 shutdown_requested = 1;
1851 qemu_notify_event();
1852 }
1853
1854 static void qemu_system_powerdown(void)
1855 {
1856 qapi_event_send_powerdown(&error_abort);
1857 notifier_list_notify(&powerdown_notifiers, NULL);
1858 }
1859
1860 void qemu_system_powerdown_request(void)
1861 {
1862 trace_qemu_system_powerdown_request();
1863 powerdown_requested = 1;
1864 qemu_notify_event();
1865 }
1866
1867 void qemu_register_powerdown_notifier(Notifier *notifier)
1868 {
1869 notifier_list_add(&powerdown_notifiers, notifier);
1870 }
1871
1872 void qemu_system_debug_request(void)
1873 {
1874 debug_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 static bool main_loop_should_exit(void)
1879 {
1880 RunState r;
1881 if (qemu_debug_requested()) {
1882 vm_stop(RUN_STATE_DEBUG);
1883 }
1884 if (qemu_suspend_requested()) {
1885 qemu_system_suspend();
1886 }
1887 if (qemu_shutdown_requested()) {
1888 qemu_kill_report();
1889 qapi_event_send_shutdown(&error_abort);
1890 if (no_shutdown) {
1891 vm_stop(RUN_STATE_SHUTDOWN);
1892 } else {
1893 return true;
1894 }
1895 }
1896 if (qemu_reset_requested()) {
1897 pause_all_vcpus();
1898 qemu_system_reset(VMRESET_REPORT);
1899 resume_all_vcpus();
1900 if (!runstate_check(RUN_STATE_RUNNING) &&
1901 !runstate_check(RUN_STATE_INMIGRATE)) {
1902 runstate_set(RUN_STATE_PRELAUNCH);
1903 }
1904 }
1905 if (qemu_wakeup_requested()) {
1906 pause_all_vcpus();
1907 qemu_system_reset(VMRESET_SILENT);
1908 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1909 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1910 resume_all_vcpus();
1911 qapi_event_send_wakeup(&error_abort);
1912 }
1913 if (qemu_powerdown_requested()) {
1914 qemu_system_powerdown();
1915 }
1916 if (qemu_vmstop_requested(&r)) {
1917 vm_stop(r);
1918 }
1919 return false;
1920 }
1921
1922 static void main_loop(void)
1923 {
1924 bool nonblocking;
1925 int last_io = 0;
1926 #ifdef CONFIG_PROFILER
1927 int64_t ti;
1928 #endif
1929 do {
1930 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1931 #ifdef CONFIG_PROFILER
1932 ti = profile_getclock();
1933 #endif
1934 last_io = main_loop_wait(nonblocking);
1935 #ifdef CONFIG_PROFILER
1936 dev_time += profile_getclock() - ti;
1937 #endif
1938 } while (!main_loop_should_exit());
1939 }
1940
1941 static void version(void)
1942 {
1943 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1944 }
1945
1946 static void help(int exitcode)
1947 {
1948 version();
1949 printf("usage: %s [options] [disk_image]\n\n"
1950 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1951 error_get_progname());
1952
1953 #define QEMU_OPTIONS_GENERATE_HELP
1954 #include "qemu-options-wrapper.h"
1955
1956 printf("\nDuring emulation, the following keys are useful:\n"
1957 "ctrl-alt-f toggle full screen\n"
1958 "ctrl-alt-n switch to virtual console 'n'\n"
1959 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "\n"
1961 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1962
1963 exit(exitcode);
1964 }
1965
1966 #define HAS_ARG 0x0001
1967
1968 typedef struct QEMUOption {
1969 const char *name;
1970 int flags;
1971 int index;
1972 uint32_t arch_mask;
1973 } QEMUOption;
1974
1975 static const QEMUOption qemu_options[] = {
1976 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1977 #define QEMU_OPTIONS_GENERATE_OPTIONS
1978 #include "qemu-options-wrapper.h"
1979 { NULL },
1980 };
1981
1982 typedef struct VGAInterfaceInfo {
1983 const char *opt_name; /* option name */
1984 const char *name; /* human-readable name */
1985 /* Class names indicating that support is available.
1986 * If no class is specified, the interface is always available */
1987 const char *class_names[2];
1988 } VGAInterfaceInfo;
1989
1990 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1991 [VGA_NONE] = {
1992 .opt_name = "none",
1993 },
1994 [VGA_STD] = {
1995 .opt_name = "std",
1996 .name = "standard VGA",
1997 .class_names = { "VGA", "isa-vga" },
1998 },
1999 [VGA_CIRRUS] = {
2000 .opt_name = "cirrus",
2001 .name = "Cirrus VGA",
2002 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2003 },
2004 [VGA_VMWARE] = {
2005 .opt_name = "vmware",
2006 .name = "VMWare SVGA",
2007 .class_names = { "vmware-svga" },
2008 },
2009 [VGA_VIRTIO] = {
2010 .opt_name = "virtio",
2011 .name = "Virtio VGA",
2012 .class_names = { "virtio-vga" },
2013 },
2014 [VGA_QXL] = {
2015 .opt_name = "qxl",
2016 .name = "QXL VGA",
2017 .class_names = { "qxl-vga" },
2018 },
2019 [VGA_TCX] = {
2020 .opt_name = "tcx",
2021 .name = "TCX framebuffer",
2022 .class_names = { "SUNW,tcx" },
2023 },
2024 [VGA_CG3] = {
2025 .opt_name = "cg3",
2026 .name = "CG3 framebuffer",
2027 .class_names = { "cgthree" },
2028 },
2029 [VGA_XENFB] = {
2030 .opt_name = "xenfb",
2031 },
2032 };
2033
2034 static bool vga_interface_available(VGAInterfaceType t)
2035 {
2036 VGAInterfaceInfo *ti = &vga_interfaces[t];
2037
2038 assert(t < VGA_TYPE_MAX);
2039 return !ti->class_names[0] ||
2040 object_class_by_name(ti->class_names[0]) ||
2041 object_class_by_name(ti->class_names[1]);
2042 }
2043
2044 static void select_vgahw(const char *p)
2045 {
2046 const char *opts;
2047 int t;
2048
2049 assert(vga_interface_type == VGA_NONE);
2050 for (t = 0; t < VGA_TYPE_MAX; t++) {
2051 VGAInterfaceInfo *ti = &vga_interfaces[t];
2052 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2053 if (!vga_interface_available(t)) {
2054 error_report("%s not available", ti->name);
2055 exit(1);
2056 }
2057 vga_interface_type = t;
2058 break;
2059 }
2060 }
2061 if (t == VGA_TYPE_MAX) {
2062 invalid_vga:
2063 error_report("unknown vga type: %s", p);
2064 exit(1);
2065 }
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",retrace=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "dumb", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_DUMB;
2073 else if (strstart(opts, "precise", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_PRECISE;
2075 else goto invalid_vga;
2076 } else goto invalid_vga;
2077 opts = nextopt;
2078 }
2079 }
2080
2081 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 Error *err = NULL;
2151 if (vnc_parse(opts + 1, &err) == NULL) {
2152 error_report_err(err);
2153 exit(1);
2154 }
2155 } else {
2156 error_report("VNC requires a display argument vnc=<display>");
2157 exit(1);
2158 }
2159 } else if (strstart(p, "curses", &opts)) {
2160 #ifdef CONFIG_CURSES
2161 display = DT_CURSES;
2162 #else
2163 error_report("curses support is disabled");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "gtk", &opts)) {
2167 #ifdef CONFIG_GTK
2168 display = DT_GTK;
2169 while (*opts) {
2170 const char *nextopt;
2171
2172 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 grab_on_hover = true;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 grab_on_hover = false;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 opts = nextopt;
2183 if (strstart(opts, "on", &nextopt)) {
2184 request_opengl = 1;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 request_opengl = 0;
2187 } else {
2188 goto invalid_gtk_args;
2189 }
2190 } else {
2191 invalid_gtk_args:
2192 error_report("invalid GTK option string");
2193 exit(1);
2194 }
2195 opts = nextopt;
2196 }
2197 #else
2198 error_report("GTK support is disabled");
2199 exit(1);
2200 #endif
2201 } else if (strstart(p, "none", &opts)) {
2202 display = DT_NONE;
2203 } else {
2204 error_report("unknown display type");
2205 exit(1);
2206 }
2207
2208 return display;
2209 }
2210
2211 static int balloon_parse(const char *arg)
2212 {
2213 QemuOpts *opts;
2214
2215 if (strcmp(arg, "none") == 0) {
2216 return 0;
2217 }
2218
2219 if (!strncmp(arg, "virtio", 6)) {
2220 if (arg[6] == ',') {
2221 /* have params -> parse them */
2222 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2223 false);
2224 if (!opts)
2225 return -1;
2226 } else {
2227 /* create empty opts */
2228 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2229 &error_abort);
2230 }
2231 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2232 return 0;
2233 }
2234
2235 return -1;
2236 }
2237
2238 char *qemu_find_file(int type, const char *name)
2239 {
2240 int i;
2241 const char *subdir;
2242 char *buf;
2243
2244 /* Try the name as a straight path first */
2245 if (access(name, R_OK) == 0) {
2246 trace_load_file(name, name);
2247 return g_strdup(name);
2248 }
2249
2250 switch (type) {
2251 case QEMU_FILE_TYPE_BIOS:
2252 subdir = "";
2253 break;
2254 case QEMU_FILE_TYPE_KEYMAP:
2255 subdir = "keymaps/";
2256 break;
2257 default:
2258 abort();
2259 }
2260
2261 for (i = 0; i < data_dir_idx; i++) {
2262 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2263 if (access(buf, R_OK) == 0) {
2264 trace_load_file(name, buf);
2265 return buf;
2266 }
2267 g_free(buf);
2268 }
2269 return NULL;
2270 }
2271
2272 static inline bool nonempty_str(const char *str)
2273 {
2274 return str && *str;
2275 }
2276
2277 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2278 {
2279 gchar *buf;
2280 size_t size;
2281 const char *name, *file, *str;
2282 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2283
2284 if (fw_cfg == NULL) {
2285 error_report("fw_cfg device not available");
2286 return -1;
2287 }
2288 name = qemu_opt_get(opts, "name");
2289 file = qemu_opt_get(opts, "file");
2290 str = qemu_opt_get(opts, "string");
2291
2292 /* we need name and either a file or the content string */
2293 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2294 error_report("invalid argument(s)");
2295 return -1;
2296 }
2297 if (nonempty_str(file) && nonempty_str(str)) {
2298 error_report("file and string are mutually exclusive");
2299 return -1;
2300 }
2301 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2302 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2303 return -1;
2304 }
2305 if (strncmp(name, "opt/", 4) != 0) {
2306 error_report("warning: externally provided fw_cfg item names "
2307 "should be prefixed with \"opt/\"");
2308 }
2309 if (nonempty_str(str)) {
2310 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2311 buf = g_memdup(str, size);
2312 } else {
2313 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2314 error_report("can't load %s", file);
2315 return -1;
2316 }
2317 }
2318 /* For legacy, keep user files in a specific global order. */
2319 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2320 fw_cfg_add_file(fw_cfg, name, buf, size);
2321 fw_cfg_reset_order_override(fw_cfg);
2322 return 0;
2323 }
2324
2325 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2326 {
2327 return qdev_device_help(opts);
2328 }
2329
2330 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 Error *err = NULL;
2333 DeviceState *dev;
2334
2335 dev = qdev_device_add(opts, &err);
2336 if (!dev) {
2337 error_report_err(err);
2338 return -1;
2339 }
2340 object_unref(OBJECT(dev));
2341 return 0;
2342 }
2343
2344 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 Error *local_err = NULL;
2347
2348 qemu_chr_new_from_opts(opts, NULL, &local_err);
2349 if (local_err) {
2350 error_report_err(local_err);
2351 return -1;
2352 }
2353 return 0;
2354 }
2355
2356 #ifdef CONFIG_VIRTFS
2357 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 int ret;
2360 ret = qemu_fsdev_add(opts);
2361
2362 return ret;
2363 }
2364 #endif
2365
2366 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 CharDriverState *chr;
2369 const char *chardev;
2370 const char *mode;
2371 int flags;
2372
2373 mode = qemu_opt_get(opts, "mode");
2374 if (mode == NULL) {
2375 mode = "readline";
2376 }
2377 if (strcmp(mode, "readline") == 0) {
2378 flags = MONITOR_USE_READLINE;
2379 } else if (strcmp(mode, "control") == 0) {
2380 flags = MONITOR_USE_CONTROL;
2381 } else {
2382 error_report("unknown monitor mode \"%s\"", mode);
2383 exit(1);
2384 }
2385
2386 if (qemu_opt_get_bool(opts, "pretty", 0))
2387 flags |= MONITOR_USE_PRETTY;
2388
2389 if (qemu_opt_get_bool(opts, "default", 0))
2390 flags |= MONITOR_IS_DEFAULT;
2391
2392 chardev = qemu_opt_get(opts, "chardev");
2393 chr = qemu_chr_find(chardev);
2394 if (chr == NULL) {
2395 error_report("chardev \"%s\" not found", chardev);
2396 exit(1);
2397 }
2398
2399 qemu_chr_fe_claim_no_fail(chr);
2400 monitor_init(chr, flags);
2401 return 0;
2402 }
2403
2404 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 {
2406 static int monitor_device_index = 0;
2407 Error *local_err = NULL;
2408 QemuOpts *opts;
2409 const char *p;
2410 char label[32];
2411 int def = 0;
2412
2413 if (strstart(optarg, "chardev:", &p)) {
2414 snprintf(label, sizeof(label), "%s", p);
2415 } else {
2416 snprintf(label, sizeof(label), "compat_monitor%d",
2417 monitor_device_index);
2418 if (monitor_device_index == 0) {
2419 def = 1;
2420 }
2421 opts = qemu_chr_parse_compat(label, optarg);
2422 if (!opts) {
2423 error_report("parse error: %s", optarg);
2424 exit(1);
2425 }
2426 }
2427
2428 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2429 if (!opts) {
2430 error_report_err(local_err);
2431 exit(1);
2432 }
2433 qemu_opt_set(opts, "mode", mode, &error_abort);
2434 qemu_opt_set(opts, "chardev", label, &error_abort);
2435 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2436 if (def)
2437 qemu_opt_set(opts, "default", "on", &error_abort);
2438 monitor_device_index++;
2439 }
2440
2441 struct device_config {
2442 enum {
2443 DEV_USB, /* -usbdevice */
2444 DEV_BT, /* -bt */
2445 DEV_SERIAL, /* -serial */
2446 DEV_PARALLEL, /* -parallel */
2447 DEV_VIRTCON, /* -virtioconsole */
2448 DEV_DEBUGCON, /* -debugcon */
2449 DEV_GDB, /* -gdb, -s */
2450 DEV_SCLP, /* s390 sclp */
2451 } type;
2452 const char *cmdline;
2453 Location loc;
2454 QTAILQ_ENTRY(device_config) next;
2455 };
2456
2457 static QTAILQ_HEAD(, device_config) device_configs =
2458 QTAILQ_HEAD_INITIALIZER(device_configs);
2459
2460 static void add_device_config(int type, const char *cmdline)
2461 {
2462 struct device_config *conf;
2463
2464 conf = g_malloc0(sizeof(*conf));
2465 conf->type = type;
2466 conf->cmdline = cmdline;
2467 loc_save(&conf->loc);
2468 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2469 }
2470
2471 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2472 {
2473 struct device_config *conf;
2474 int rc;
2475
2476 QTAILQ_FOREACH(conf, &device_configs, next) {
2477 if (conf->type != type)
2478 continue;
2479 loc_push_restore(&conf->loc);
2480 rc = func(conf->cmdline);
2481 loc_pop(&conf->loc);
2482 if (rc) {
2483 return rc;
2484 }
2485 }
2486 return 0;
2487 }
2488
2489 static int serial_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_SERIAL_PORTS) {
2497 error_report("too many serial ports");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "serial%d", index);
2501 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2502 if (!serial_hds[index]) {
2503 error_report("could not connect serial device"
2504 " to character backend '%s'", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int parallel_parse(const char *devname)
2512 {
2513 static int index = 0;
2514 char label[32];
2515
2516 if (strcmp(devname, "none") == 0)
2517 return 0;
2518 if (index == MAX_PARALLEL_PORTS) {
2519 error_report("too many parallel ports");
2520 exit(1);
2521 }
2522 snprintf(label, sizeof(label), "parallel%d", index);
2523 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2524 if (!parallel_hds[index]) {
2525 error_report("could not connect parallel device"
2526 " to character backend '%s'", devname);
2527 return -1;
2528 }
2529 index++;
2530 return 0;
2531 }
2532
2533 static int virtcon_parse(const char *devname)
2534 {
2535 QemuOptsList *device = qemu_find_opts("device");
2536 static int index = 0;
2537 char label[32];
2538 QemuOpts *bus_opts, *dev_opts;
2539
2540 if (strcmp(devname, "none") == 0)
2541 return 0;
2542 if (index == MAX_VIRTIO_CONSOLES) {
2543 error_report("too many virtio consoles");
2544 exit(1);
2545 }
2546
2547 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2548 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2549
2550 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2551 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2552
2553 snprintf(label, sizeof(label), "virtcon%d", index);
2554 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2555 if (!virtcon_hds[index]) {
2556 error_report("could not connect virtio console"
2557 " to character backend '%s'", devname);
2558 return -1;
2559 }
2560 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2561
2562 index++;
2563 return 0;
2564 }
2565
2566 static int sclp_parse(const char *devname)
2567 {
2568 QemuOptsList *device = qemu_find_opts("device");
2569 static int index = 0;
2570 char label[32];
2571 QemuOpts *dev_opts;
2572
2573 if (strcmp(devname, "none") == 0) {
2574 return 0;
2575 }
2576 if (index == MAX_SCLP_CONSOLES) {
2577 error_report("too many sclp consoles");
2578 exit(1);
2579 }
2580
2581 assert(arch_type == QEMU_ARCH_S390X);
2582
2583 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2584 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2585
2586 snprintf(label, sizeof(label), "sclpcon%d", index);
2587 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2588 if (!sclp_hds[index]) {
2589 error_report("could not connect sclp console"
2590 " to character backend '%s'", devname);
2591 return -1;
2592 }
2593 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2594
2595 index++;
2596 return 0;
2597 }
2598
2599 static int debugcon_parse(const char *devname)
2600 {
2601 QemuOpts *opts;
2602
2603 if (!qemu_chr_new("debugcon", devname, NULL)) {
2604 exit(1);
2605 }
2606 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2607 if (!opts) {
2608 error_report("already have a debugcon device");
2609 exit(1);
2610 }
2611 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2612 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2613 return 0;
2614 }
2615
2616 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2617 {
2618 const MachineClass *mc1 = a, *mc2 = b;
2619 int res;
2620
2621 if (mc1->family == NULL) {
2622 if (mc2->family == NULL) {
2623 /* Compare standalone machine types against each other; they sort
2624 * in increasing order.
2625 */
2626 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2627 object_class_get_name(OBJECT_CLASS(mc2)));
2628 }
2629
2630 /* Standalone machine types sort after families. */
2631 return 1;
2632 }
2633
2634 if (mc2->family == NULL) {
2635 /* Families sort before standalone machine types. */
2636 return -1;
2637 }
2638
2639 /* Families sort between each other alphabetically increasingly. */
2640 res = strcmp(mc1->family, mc2->family);
2641 if (res != 0) {
2642 return res;
2643 }
2644
2645 /* Within the same family, machine types sort in decreasing order. */
2646 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2647 object_class_get_name(OBJECT_CLASS(mc1)));
2648 }
2649
2650 static MachineClass *machine_parse(const char *name)
2651 {
2652 MachineClass *mc = NULL;
2653 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2654
2655 if (name) {
2656 mc = find_machine(name);
2657 }
2658 if (mc) {
2659 g_slist_free(machines);
2660 return mc;
2661 }
2662 if (name && !is_help_option(name)) {
2663 error_report("unsupported machine type");
2664 error_printf("Use -machine help to list supported machines\n");
2665 } else {
2666 printf("Supported machines are:\n");
2667 machines = g_slist_sort(machines, machine_class_cmp);
2668 for (el = machines; el; el = el->next) {
2669 MachineClass *mc = el->data;
2670 if (mc->alias) {
2671 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2672 }
2673 printf("%-20s %s%s\n", mc->name, mc->desc,
2674 mc->is_default ? " (default)" : "");
2675 }
2676 }
2677
2678 g_slist_free(machines);
2679 exit(!name || !is_help_option(name));
2680 }
2681
2682 void qemu_add_exit_notifier(Notifier *notify)
2683 {
2684 notifier_list_add(&exit_notifiers, notify);
2685 }
2686
2687 void qemu_remove_exit_notifier(Notifier *notify)
2688 {
2689 notifier_remove(notify);
2690 }
2691
2692 static void qemu_run_exit_notifiers(void)
2693 {
2694 notifier_list_notify(&exit_notifiers, NULL);
2695 }
2696
2697 static bool machine_init_done;
2698
2699 void qemu_add_machine_init_done_notifier(Notifier *notify)
2700 {
2701 notifier_list_add(&machine_init_done_notifiers, notify);
2702 if (machine_init_done) {
2703 notify->notify(notify, NULL);
2704 }
2705 }
2706
2707 static void qemu_run_machine_init_done_notifiers(void)
2708 {
2709 notifier_list_notify(&machine_init_done_notifiers, NULL);
2710 machine_init_done = true;
2711 }
2712
2713 static const QEMUOption *lookup_opt(int argc, char **argv,
2714 const char **poptarg, int *poptind)
2715 {
2716 const QEMUOption *popt;
2717 int optind = *poptind;
2718 char *r = argv[optind];
2719 const char *optarg;
2720
2721 loc_set_cmdline(argv, optind, 1);
2722 optind++;
2723 /* Treat --foo the same as -foo. */
2724 if (r[1] == '-')
2725 r++;
2726 popt = qemu_options;
2727 for(;;) {
2728 if (!popt->name) {
2729 error_report("invalid option");
2730 exit(1);
2731 }
2732 if (!strcmp(popt->name, r + 1))
2733 break;
2734 popt++;
2735 }
2736 if (popt->flags & HAS_ARG) {
2737 if (optind >= argc) {
2738 error_report("requires an argument");
2739 exit(1);
2740 }
2741 optarg = argv[optind++];
2742 loc_set_cmdline(argv, optind - 2, 2);
2743 } else {
2744 optarg = NULL;
2745 }
2746
2747 *poptarg = optarg;
2748 *poptind = optind;
2749
2750 return popt;
2751 }
2752
2753 static MachineClass *select_machine(void)
2754 {
2755 MachineClass *machine_class = find_default_machine();
2756 const char *optarg;
2757 QemuOpts *opts;
2758 Location loc;
2759
2760 loc_push_none(&loc);
2761
2762 opts = qemu_get_machine_opts();
2763 qemu_opts_loc_restore(opts);
2764
2765 optarg = qemu_opt_get(opts, "type");
2766 if (optarg) {
2767 machine_class = machine_parse(optarg);
2768 }
2769
2770 if (!machine_class) {
2771 error_report("No machine specified, and there is no default");
2772 error_printf("Use -machine help to list supported machines\n");
2773 exit(1);
2774 }
2775
2776 loc_pop(&loc);
2777 return machine_class;
2778 }
2779
2780 static int machine_set_property(void *opaque,
2781 const char *name, const char *value,
2782 Error **errp)
2783 {
2784 Object *obj = OBJECT(opaque);
2785 Error *local_err = NULL;
2786 char *c, *qom_name;
2787
2788 if (strcmp(name, "type") == 0) {
2789 return 0;
2790 }
2791
2792 qom_name = g_strdup(name);
2793 c = qom_name;
2794 while (*c++) {
2795 if (*c == '_') {
2796 *c = '-';
2797 }
2798 }
2799
2800 object_property_parse(obj, value, qom_name, &local_err);
2801 g_free(qom_name);
2802
2803 if (local_err) {
2804 error_report_err(local_err);
2805 return -1;
2806 }
2807
2808 return 0;
2809 }
2810
2811
2812 /*
2813 * Initial object creation happens before all other
2814 * QEMU data types are created. The majority of objects
2815 * can be created at this point. The rng-egd object
2816 * cannot be created here, as it depends on the chardev
2817 * already existing.
2818 */
2819 static bool object_create_initial(const char *type)
2820 {
2821 if (g_str_equal(type, "rng-egd")) {
2822 return false;
2823 }
2824
2825 /*
2826 * return false for concrete netfilters since
2827 * they depend on netdevs already existing
2828 */
2829 if (g_str_equal(type, "filter-buffer") ||
2830 g_str_equal(type, "filter-dump") ||
2831 g_str_equal(type, "filter-mirror") ||
2832 g_str_equal(type, "filter-redirector")) {
2833 return false;
2834 }
2835
2836 return true;
2837 }
2838
2839
2840 /*
2841 * The remainder of object creation happens after the
2842 * creation of chardev, fsdev, net clients and device data types.
2843 */
2844 static bool object_create_delayed(const char *type)
2845 {
2846 return !object_create_initial(type);
2847 }
2848
2849
2850 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2851 MachineClass *mc)
2852 {
2853 uint64_t sz;
2854 const char *mem_str;
2855 const char *maxmem_str, *slots_str;
2856 const ram_addr_t default_ram_size = mc->default_ram_size;
2857 QemuOpts *opts = qemu_find_opts_singleton("memory");
2858 Location loc;
2859
2860 loc_push_none(&loc);
2861 qemu_opts_loc_restore(opts);
2862
2863 sz = 0;
2864 mem_str = qemu_opt_get(opts, "size");
2865 if (mem_str) {
2866 if (!*mem_str) {
2867 error_report("missing 'size' option value");
2868 exit(EXIT_FAILURE);
2869 }
2870
2871 sz = qemu_opt_get_size(opts, "size", ram_size);
2872
2873 /* Fix up legacy suffix-less format */
2874 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2875 uint64_t overflow_check = sz;
2876
2877 sz <<= 20;
2878 if ((sz >> 20) != overflow_check) {
2879 error_report("too large 'size' option value");
2880 exit(EXIT_FAILURE);
2881 }
2882 }
2883 }
2884
2885 /* backward compatibility behaviour for case "-m 0" */
2886 if (sz == 0) {
2887 sz = default_ram_size;
2888 }
2889
2890 sz = QEMU_ALIGN_UP(sz, 8192);
2891 ram_size = sz;
2892 if (ram_size != sz) {
2893 error_report("ram size too large");
2894 exit(EXIT_FAILURE);
2895 }
2896
2897 /* store value for the future use */
2898 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2899 *maxram_size = ram_size;
2900
2901 maxmem_str = qemu_opt_get(opts, "maxmem");
2902 slots_str = qemu_opt_get(opts, "slots");
2903 if (maxmem_str && slots_str) {
2904 uint64_t slots;
2905
2906 sz = qemu_opt_get_size(opts, "maxmem", 0);
2907 slots = qemu_opt_get_number(opts, "slots", 0);
2908 if (sz < ram_size) {
2909 error_report("invalid value of -m option maxmem: "
2910 "maximum memory size (0x%" PRIx64 ") must be at least "
2911 "the initial memory size (0x" RAM_ADDR_FMT ")",
2912 sz, ram_size);
2913 exit(EXIT_FAILURE);
2914 } else if (sz > ram_size) {
2915 if (!slots) {
2916 error_report("invalid value of -m option: maxmem was "
2917 "specified, but no hotplug slots were specified");
2918 exit(EXIT_FAILURE);
2919 }
2920 } else if (slots) {
2921 error_report("invalid value of -m option maxmem: "
2922 "memory slots were specified but maximum memory size "
2923 "(0x%" PRIx64 ") is equal to the initial memory size "
2924 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2925 exit(EXIT_FAILURE);
2926 }
2927
2928 *maxram_size = sz;
2929 *ram_slots = slots;
2930 } else if ((!maxmem_str && slots_str) ||
2931 (maxmem_str && !slots_str)) {
2932 error_report("invalid -m option value: missing "
2933 "'%s' option", slots_str ? "maxmem" : "slots");
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 loc_pop(&loc);
2938 }
2939
2940 int main(int argc, char **argv, char **envp)
2941 {
2942 int i;
2943 int snapshot, linux_boot;
2944 const char *initrd_filename;
2945 const char *kernel_filename, *kernel_cmdline;
2946 const char *boot_order = NULL;
2947 const char *boot_once = NULL;
2948 DisplayState *ds;
2949 int cyls, heads, secs, translation;
2950 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2951 QemuOptsList *olist;
2952 int optind;
2953 const char *optarg;
2954 const char *loadvm = NULL;
2955 MachineClass *machine_class;
2956 const char *cpu_model;
2957 const char *vga_model = NULL;
2958 const char *qtest_chrdev = NULL;
2959 const char *qtest_log = NULL;
2960 const char *pid_file = NULL;
2961 const char *incoming = NULL;
2962 int show_vnc_port = 0;
2963 bool defconfig = true;
2964 bool userconfig = true;
2965 const char *log_mask = NULL;
2966 const char *log_file = NULL;
2967 char *trace_file = NULL;
2968 ram_addr_t maxram_size;
2969 uint64_t ram_slots = 0;
2970 FILE *vmstate_dump_file = NULL;
2971 Error *main_loop_err = NULL;
2972 Error *err = NULL;
2973
2974 qemu_init_cpu_loop();
2975 qemu_mutex_lock_iothread();
2976
2977 atexit(qemu_run_exit_notifiers);
2978 error_set_progname(argv[0]);
2979 qemu_init_exec_dir(argv[0]);
2980
2981 module_call_init(MODULE_INIT_QOM);
2982
2983 qemu_add_opts(&qemu_drive_opts);
2984 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2985 qemu_add_drive_opts(&qemu_common_drive_opts);
2986 qemu_add_drive_opts(&qemu_drive_opts);
2987 qemu_add_opts(&qemu_chardev_opts);
2988 qemu_add_opts(&qemu_device_opts);
2989 qemu_add_opts(&qemu_netdev_opts);
2990 qemu_add_opts(&qemu_net_opts);
2991 qemu_add_opts(&qemu_rtc_opts);
2992 qemu_add_opts(&qemu_global_opts);
2993 qemu_add_opts(&qemu_mon_opts);
2994 qemu_add_opts(&qemu_trace_opts);
2995 qemu_add_opts(&qemu_option_rom_opts);
2996 qemu_add_opts(&qemu_machine_opts);
2997 qemu_add_opts(&qemu_mem_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007 qemu_add_opts(&qemu_numa_opts);
3008 qemu_add_opts(&qemu_icount_opts);
3009 qemu_add_opts(&qemu_semihosting_config_opts);
3010 qemu_add_opts(&qemu_fw_cfg_opts);
3011 module_call_init(MODULE_INIT_OPTS);
3012
3013 runstate_init();
3014
3015 if (qcrypto_init(&err) < 0) {
3016 error_reportf_err(err, "cannot initialize crypto: ");
3017 exit(1);
3018 }
3019 rtc_clock = QEMU_CLOCK_HOST;
3020
3021 QLIST_INIT (&vm_change_state_head);
3022 os_setup_early_signal_handling();
3023
3024 cpu_model = NULL;
3025 snapshot = 0;
3026 cyls = heads = secs = 0;
3027 translation = BIOS_ATA_TRANSLATION_AUTO;
3028
3029 nb_nics = 0;
3030
3031 bdrv_init_with_whitelist();
3032
3033 autostart = 1;
3034
3035 /* first pass of option parsing */
3036 optind = 1;
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3039 /* disk image */
3040 optind++;
3041 } else {
3042 const QEMUOption *popt;
3043
3044 popt = lookup_opt(argc, argv, &optarg, &optind);
3045 switch (popt->index) {
3046 case QEMU_OPTION_nodefconfig:
3047 defconfig = false;
3048 break;
3049 case QEMU_OPTION_nouserconfig:
3050 userconfig = false;
3051 break;
3052 }
3053 }
3054 }
3055
3056 if (defconfig) {
3057 int ret;
3058 ret = qemu_read_default_config_files(userconfig);
3059 if (ret < 0) {
3060 exit(1);
3061 }
3062 }
3063
3064 /* second pass of option parsing */
3065 optind = 1;
3066 for(;;) {
3067 if (optind >= argc)
3068 break;
3069 if (argv[optind][0] != '-') {
3070 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3071 } else {
3072 const QEMUOption *popt;
3073
3074 popt = lookup_opt(argc, argv, &optarg, &optind);
3075 if (!(popt->arch_mask & arch_type)) {
3076 printf("Option %s not supported for this target\n", popt->name);
3077 exit(1);
3078 }
3079 switch(popt->index) {
3080 case QEMU_OPTION_no_kvm_irqchip: {
3081 olist = qemu_find_opts("machine");
3082 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3083 break;
3084 }
3085 case QEMU_OPTION_cpu:
3086 /* hw initialization will check this */
3087 cpu_model = optarg;
3088 break;
3089 case QEMU_OPTION_hda:
3090 {
3091 char buf[256];
3092 if (cyls == 0)
3093 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3094 else
3095 snprintf(buf, sizeof(buf),
3096 "%s,cyls=%d,heads=%d,secs=%d%s",
3097 HD_OPTS , cyls, heads, secs,
3098 translation == BIOS_ATA_TRANSLATION_LBA ?
3099 ",trans=lba" :
3100 translation == BIOS_ATA_TRANSLATION_NONE ?
3101 ",trans=none" : "");
3102 drive_add(IF_DEFAULT, 0, optarg, buf);
3103 break;
3104 }
3105 case QEMU_OPTION_hdb:
3106 case QEMU_OPTION_hdc:
3107 case QEMU_OPTION_hdd:
3108 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3109 HD_OPTS);
3110 break;
3111 case QEMU_OPTION_drive:
3112 if (drive_def(optarg) == NULL) {
3113 exit(1);
3114 }
3115 break;
3116 case QEMU_OPTION_set:
3117 if (qemu_set_option(optarg) != 0)
3118 exit(1);
3119 break;
3120 case QEMU_OPTION_global:
3121 if (qemu_global_option(optarg) != 0)
3122 exit(1);
3123 break;
3124 case QEMU_OPTION_mtdblock:
3125 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3126 break;
3127 case QEMU_OPTION_sd:
3128 drive_add(IF_SD, -1, optarg, SD_OPTS);
3129 break;
3130 case QEMU_OPTION_pflash:
3131 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3132 break;
3133 case QEMU_OPTION_snapshot:
3134 snapshot = 1;
3135 break;
3136 case QEMU_OPTION_hdachs:
3137 {
3138 const char *p;
3139 p = optarg;
3140 cyls = strtol(p, (char **)&p, 0);
3141 if (cyls < 1 || cyls > 16383)
3142 goto chs_fail;
3143 if (*p != ',')
3144 goto chs_fail;
3145 p++;
3146 heads = strtol(p, (char **)&p, 0);
3147 if (heads < 1 || heads > 16)
3148 goto chs_fail;
3149 if (*p != ',')
3150 goto chs_fail;
3151 p++;
3152 secs = strtol(p, (char **)&p, 0);
3153 if (secs < 1 || secs > 63)
3154 goto chs_fail;
3155 if (*p == ',') {
3156 p++;
3157 if (!strcmp(p, "large")) {
3158 translation = BIOS_ATA_TRANSLATION_LARGE;
3159 } else if (!strcmp(p, "rechs")) {
3160 translation = BIOS_ATA_TRANSLATION_RECHS;
3161 } else if (!strcmp(p, "none")) {
3162 translation = BIOS_ATA_TRANSLATION_NONE;
3163 } else if (!strcmp(p, "lba")) {
3164 translation = BIOS_ATA_TRANSLATION_LBA;
3165 } else if (!strcmp(p, "auto")) {
3166 translation = BIOS_ATA_TRANSLATION_AUTO;
3167 } else {
3168 goto chs_fail;
3169 }
3170 } else if (*p != '\0') {
3171 chs_fail:
3172 error_report("invalid physical CHS format");
3173 exit(1);
3174 }
3175 if (hda_opts != NULL) {
3176 qemu_opt_set_number(hda_opts, "cyls", cyls,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "heads", heads,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "secs", secs,
3181 &error_abort);
3182 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3183 qemu_opt_set(hda_opts, "trans", "large",
3184 &error_abort);
3185 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3186 qemu_opt_set(hda_opts, "trans", "rechs",
3187 &error_abort);
3188 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3189 qemu_opt_set(hda_opts, "trans", "lba",
3190 &error_abort);
3191 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3192 qemu_opt_set(hda_opts, "trans", "none",
3193 &error_abort);
3194 }
3195 }
3196 }
3197 break;
3198 case QEMU_OPTION_numa:
3199 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3200 optarg, true);
3201 if (!opts) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_display:
3206 display_type = select_display(optarg);
3207 break;
3208 case QEMU_OPTION_nographic:
3209 display_type = DT_NOGRAPHIC;
3210 break;
3211 case QEMU_OPTION_curses:
3212 #ifdef CONFIG_CURSES
3213 display_type = DT_CURSES;
3214 #else
3215 error_report("curses support is disabled");
3216 exit(1);
3217 #endif
3218 break;
3219 case QEMU_OPTION_portrait:
3220 graphic_rotate = 90;
3221 break;
3222 case QEMU_OPTION_rotate:
3223 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3224 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3225 graphic_rotate != 180 && graphic_rotate != 270) {
3226 error_report("only 90, 180, 270 deg rotation is available");
3227 exit(1);
3228 }
3229 break;
3230 case QEMU_OPTION_kernel:
3231 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3232 &error_abort);
3233 break;
3234 case QEMU_OPTION_initrd:
3235 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3236 &error_abort);
3237 break;
3238 case QEMU_OPTION_append:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_dtb:
3243 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3244 &error_abort);
3245 break;
3246 case QEMU_OPTION_cdrom:
3247 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3248 break;
3249 case QEMU_OPTION_boot:
3250 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3251 optarg, true);
3252 if (!opts) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_fda:
3257 case QEMU_OPTION_fdb:
3258 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3259 optarg, FD_OPTS);
3260 break;
3261 case QEMU_OPTION_no_fd_bootchk:
3262 fd_bootchk = 0;
3263 break;
3264 case QEMU_OPTION_netdev:
3265 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_net:
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 (data_dir_idx < ARRAY_SIZE(data_dir)) {
3355 data_dir[data_dir_idx++] = optarg;
3356 }
3357 break;
3358 case QEMU_OPTION_bios:
3359 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3360 &error_abort);
3361 break;
3362 case QEMU_OPTION_singlestep:
3363 singlestep = 1;
3364 break;
3365 case QEMU_OPTION_S:
3366 autostart = 0;
3367 break;
3368 case QEMU_OPTION_k:
3369 keyboard_layout = optarg;
3370 break;
3371 case QEMU_OPTION_localtime:
3372 rtc_utc = 0;
3373 break;
3374 case QEMU_OPTION_vga:
3375 vga_model = optarg;
3376 default_vga = 0;
3377 break;
3378 case QEMU_OPTION_g:
3379 {
3380 const char *p;
3381 int w, h, depth;
3382 p = optarg;
3383 w = strtol(p, (char **)&p, 10);
3384 if (w <= 0) {
3385 graphic_error:
3386 error_report("invalid resolution or depth");
3387 exit(1);
3388 }
3389 if (*p != 'x')
3390 goto graphic_error;
3391 p++;
3392 h = strtol(p, (char **)&p, 10);
3393 if (h <= 0)
3394 goto graphic_error;
3395 if (*p == 'x') {
3396 p++;
3397 depth = strtol(p, (char **)&p, 10);
3398 if (depth != 8 && depth != 15 && depth != 16 &&
3399 depth != 24 && depth != 32)
3400 goto graphic_error;
3401 } else if (*p == '\0') {
3402 depth = graphic_depth;
3403 } else {
3404 goto graphic_error;
3405 }
3406
3407 graphic_width = w;
3408 graphic_height = h;
3409 graphic_depth = depth;
3410 }
3411 break;
3412 case QEMU_OPTION_echr:
3413 {
3414 char *r;
3415 term_escape_char = strtol(optarg, &r, 0);
3416 if (r == optarg)
3417 printf("Bad argument to echr\n");
3418 break;
3419 }
3420 case QEMU_OPTION_monitor:
3421 default_monitor = 0;
3422 if (strncmp(optarg, "none", 4)) {
3423 monitor_parse(optarg, "readline", false);
3424 }
3425 break;
3426 case QEMU_OPTION_qmp:
3427 monitor_parse(optarg, "control", false);
3428 default_monitor = 0;
3429 break;
3430 case QEMU_OPTION_qmp_pretty:
3431 monitor_parse(optarg, "control", true);
3432 default_monitor = 0;
3433 break;
3434 case QEMU_OPTION_mon:
3435 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3436 true);
3437 if (!opts) {
3438 exit(1);
3439 }
3440 default_monitor = 0;
3441 break;
3442 case QEMU_OPTION_chardev:
3443 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3444 optarg, true);
3445 if (!opts) {
3446 exit(1);
3447 }
3448 break;
3449 case QEMU_OPTION_fsdev:
3450 olist = qemu_find_opts("fsdev");
3451 if (!olist) {
3452 error_report("fsdev support is disabled");
3453 exit(1);
3454 }
3455 opts = qemu_opts_parse_noisily(olist, optarg, true);
3456 if (!opts) {
3457 exit(1);
3458 }
3459 break;
3460 case QEMU_OPTION_virtfs: {
3461 QemuOpts *fsdev;
3462 QemuOpts *device;
3463 const char *writeout, *sock_fd, *socket;
3464
3465 olist = qemu_find_opts("virtfs");
3466 if (!olist) {
3467 error_report("virtfs support is disabled");
3468 exit(1);
3469 }
3470 opts = qemu_opts_parse_noisily(olist, optarg, true);
3471 if (!opts) {
3472 exit(1);
3473 }
3474
3475 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3476 qemu_opt_get(opts, "mount_tag") == NULL) {
3477 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3478 exit(1);
3479 }
3480 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3481 qemu_opt_get(opts, "mount_tag"),
3482 1, NULL);
3483 if (!fsdev) {
3484 error_report("duplicate fsdev id: %s",
3485 qemu_opt_get(opts, "mount_tag"));
3486 exit(1);
3487 }
3488
3489 writeout = qemu_opt_get(opts, "writeout");
3490 if (writeout) {
3491 #ifdef CONFIG_SYNC_FILE_RANGE
3492 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3493 #else
3494 error_report("writeout=immediate not supported "
3495 "on this platform");
3496 exit(1);
3497 #endif
3498 }
3499 qemu_opt_set(fsdev, "fsdriver",
3500 qemu_opt_get(opts, "fsdriver"), &error_abort);
3501 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3502 &error_abort);
3503 qemu_opt_set(fsdev, "security_model",
3504 qemu_opt_get(opts, "security_model"),
3505 &error_abort);
3506 socket = qemu_opt_get(opts, "socket");
3507 if (socket) {
3508 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3509 }
3510 sock_fd = qemu_opt_get(opts, "sock_fd");
3511 if (sock_fd) {
3512 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3513 }
3514
3515 qemu_opt_set_bool(fsdev, "readonly",
3516 qemu_opt_get_bool(opts, "readonly", 0),
3517 &error_abort);
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3521 qemu_opt_set(device, "fsdev",
3522 qemu_opt_get(opts, "mount_tag"), &error_abort);
3523 qemu_opt_set(device, "mount_tag",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 break;
3526 }
3527 case QEMU_OPTION_virtfs_synth: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530
3531 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3532 1, NULL);
3533 if (!fsdev) {
3534 error_report("duplicate option: %s", "virtfs_synth");
3535 exit(1);
3536 }
3537 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3538
3539 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 &error_abort);
3541 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3542 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3543 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3544 break;
3545 }
3546 case QEMU_OPTION_serial:
3547 add_device_config(DEV_SERIAL, optarg);
3548 default_serial = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_watchdog:
3554 if (watchdog) {
3555 error_report("only one watchdog option may be given");
3556 return 1;
3557 }
3558 watchdog = optarg;
3559 break;
3560 case QEMU_OPTION_watchdog_action:
3561 if (select_watchdog_action(optarg) == -1) {
3562 error_report("unknown -watchdog-action parameter");
3563 exit(1);
3564 }
3565 break;
3566 case QEMU_OPTION_virtiocon:
3567 add_device_config(DEV_VIRTCON, optarg);
3568 default_virtcon = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_parallel:
3574 add_device_config(DEV_PARALLEL, optarg);
3575 default_parallel = 0;
3576 if (strncmp(optarg, "mon:", 4) == 0) {
3577 default_monitor = 0;
3578 }
3579 break;
3580 case QEMU_OPTION_debugcon:
3581 add_device_config(DEV_DEBUGCON, optarg);
3582 break;
3583 case QEMU_OPTION_loadvm:
3584 loadvm = optarg;
3585 break;
3586 case QEMU_OPTION_full_screen:
3587 full_screen = 1;
3588 break;
3589 case QEMU_OPTION_no_frame:
3590 no_frame = 1;
3591 break;
3592 case QEMU_OPTION_alt_grab:
3593 alt_grab = 1;
3594 break;
3595 case QEMU_OPTION_ctrl_grab:
3596 ctrl_grab = 1;
3597 break;
3598 case QEMU_OPTION_no_quit:
3599 no_quit = 1;
3600 break;
3601 case QEMU_OPTION_sdl:
3602 #ifdef CONFIG_SDL
3603 display_type = DT_SDL;
3604 break;
3605 #else
3606 error_report("SDL support is disabled");
3607 exit(1);
3608 #endif
3609 case QEMU_OPTION_pidfile:
3610 pid_file = optarg;
3611 break;
3612 case QEMU_OPTION_win2k_hack:
3613 win2k_install_hack = 1;
3614 break;
3615 case QEMU_OPTION_rtc_td_hack: {
3616 static GlobalProperty slew_lost_ticks[] = {
3617 {
3618 .driver = "mc146818rtc",
3619 .property = "lost_tick_policy",
3620 .value = "slew",
3621 },
3622 { /* end of list */ }
3623 };
3624
3625 qdev_prop_register_global_list(slew_lost_ticks);
3626 break;
3627 }
3628 case QEMU_OPTION_acpitable:
3629 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3630 optarg, true);
3631 if (!opts) {
3632 exit(1);
3633 }
3634 do_acpitable_option(opts);
3635 break;
3636 case QEMU_OPTION_smbios:
3637 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3638 optarg, false);
3639 if (!opts) {
3640 exit(1);
3641 }
3642 do_smbios_option(opts);
3643 break;
3644 case QEMU_OPTION_fwcfg:
3645 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3646 optarg, true);
3647 if (opts == NULL) {
3648 exit(1);
3649 }
3650 break;
3651 case QEMU_OPTION_enable_kvm:
3652 olist = qemu_find_opts("machine");
3653 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3654 break;
3655 case QEMU_OPTION_M:
3656 case QEMU_OPTION_machine:
3657 olist = qemu_find_opts("machine");
3658 opts = qemu_opts_parse_noisily(olist, optarg, true);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_no_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3666 break;
3667 case QEMU_OPTION_no_kvm_pit: {
3668 error_report("warning: ignoring deprecated option");
3669 break;
3670 }
3671 case QEMU_OPTION_no_kvm_pit_reinjection: {
3672 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3673 {
3674 .driver = "kvm-pit",
3675 .property = "lost_tick_policy",
3676 .value = "discard",
3677 },
3678 { /* end of list */ }
3679 };
3680
3681 error_report("warning: deprecated, replaced by "
3682 "-global kvm-pit.lost_tick_policy=discard");
3683 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3684 break;
3685 }
3686 case QEMU_OPTION_usb:
3687 olist = qemu_find_opts("machine");
3688 qemu_opts_parse_noisily(olist, "usb=on", false);
3689 break;
3690 case QEMU_OPTION_usbdevice:
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist, "usb=on", false);
3693 add_device_config(DEV_USB, optarg);
3694 break;
3695 case QEMU_OPTION_device:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_smp:
3702 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3703 optarg, true)) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_vnc:
3708 {
3709 Error *local_err = NULL;
3710
3711 if (vnc_parse(optarg, &local_err) == NULL) {
3712 error_report_err(local_err);
3713 exit(1);
3714 }
3715 break;
3716 }
3717 case QEMU_OPTION_no_acpi:
3718 acpi_enabled = 0;
3719 break;
3720 case QEMU_OPTION_no_hpet:
3721 no_hpet = 1;
3722 break;
3723 case QEMU_OPTION_balloon:
3724 if (balloon_parse(optarg) < 0) {
3725 error_report("unknown -balloon argument %s", optarg);
3726 exit(1);
3727 }
3728 break;
3729 case QEMU_OPTION_no_reboot:
3730 no_reboot = 1;
3731 break;
3732 case QEMU_OPTION_no_shutdown:
3733 no_shutdown = 1;
3734 break;
3735 case QEMU_OPTION_show_cursor:
3736 cursor_hide = 0;
3737 break;
3738 case QEMU_OPTION_uuid:
3739 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3740 error_report("failed to parse UUID string: wrong format");
3741 exit(1);
3742 }
3743 qemu_uuid_set = true;
3744 break;
3745 case QEMU_OPTION_option_rom:
3746 if (nb_option_roms >= MAX_OPTION_ROMS) {
3747 error_report("too many option ROMs");
3748 exit(1);
3749 }
3750 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3751 optarg, true);
3752 if (!opts) {
3753 exit(1);
3754 }
3755 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3756 option_rom[nb_option_roms].bootindex =
3757 qemu_opt_get_number(opts, "bootindex", -1);
3758 if (!option_rom[nb_option_roms].name) {
3759 error_report("Option ROM file is not specified");
3760 exit(1);
3761 }
3762 nb_option_roms++;
3763 break;
3764 case QEMU_OPTION_semihosting:
3765 semihosting.enabled = true;
3766 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3767 break;
3768 case QEMU_OPTION_semihosting_config:
3769 semihosting.enabled = true;
3770 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3771 optarg, false);
3772 if (opts != NULL) {
3773 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3774 true);
3775 const char *target = qemu_opt_get(opts, "target");
3776 if (target != NULL) {
3777 if (strcmp("native", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3779 } else if (strcmp("gdb", target) == 0) {
3780 semihosting.target = SEMIHOSTING_TARGET_GDB;
3781 } else if (strcmp("auto", target) == 0) {
3782 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3783 } else {
3784 error_report("unsupported semihosting-config %s",
3785 optarg);
3786 exit(1);
3787 }
3788 } else {
3789 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3790 }
3791 /* Set semihosting argument count and vector */
3792 qemu_opt_foreach(opts, add_semihosting_arg,
3793 &semihosting, NULL);
3794 } else {
3795 error_report("unsupported semihosting-config %s", optarg);
3796 exit(1);
3797 }
3798 break;
3799 case QEMU_OPTION_tdf:
3800 error_report("warning: ignoring deprecated option");
3801 break;
3802 case QEMU_OPTION_name:
3803 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3804 optarg, true);
3805 if (!opts) {
3806 exit(1);
3807 }
3808 break;
3809 case QEMU_OPTION_prom_env:
3810 if (nb_prom_envs >= MAX_PROM_ENVS) {
3811 error_report("too many prom variables");
3812 exit(1);
3813 }
3814 prom_envs[nb_prom_envs] = optarg;
3815 nb_prom_envs++;
3816 break;
3817 case QEMU_OPTION_old_param:
3818 old_param = 1;
3819 break;
3820 case QEMU_OPTION_clock:
3821 /* Clock options no longer exist. Keep this option for
3822 * backward compatibility.
3823 */
3824 break;
3825 case QEMU_OPTION_startdate:
3826 configure_rtc_date_offset(optarg, 1);
3827 break;
3828 case QEMU_OPTION_rtc:
3829 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3830 false);
3831 if (!opts) {
3832 exit(1);
3833 }
3834 configure_rtc(opts);
3835 break;
3836 case QEMU_OPTION_tb_size:
3837 tcg_tb_size = strtol(optarg, NULL, 0);
3838 if (tcg_tb_size < 0) {
3839 tcg_tb_size = 0;
3840 }
3841 break;
3842 case QEMU_OPTION_icount:
3843 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3844 optarg, true);
3845 if (!icount_opts) {
3846 exit(1);
3847 }
3848 break;
3849 case QEMU_OPTION_incoming:
3850 if (!incoming) {
3851 runstate_set(RUN_STATE_INMIGRATE);
3852 }
3853 incoming = optarg;
3854 break;
3855 case QEMU_OPTION_nodefaults:
3856 has_defaults = 0;
3857 break;
3858 case QEMU_OPTION_xen_domid:
3859 if (!(xen_available())) {
3860 printf("Option %s not supported for this target\n", popt->name);
3861 exit(1);
3862 }
3863 xen_domid = atoi(optarg);
3864 break;
3865 case QEMU_OPTION_xen_create:
3866 if (!(xen_available())) {
3867 printf("Option %s not supported for this target\n", popt->name);
3868 exit(1);
3869 }
3870 xen_mode = XEN_CREATE;
3871 break;
3872 case QEMU_OPTION_xen_attach:
3873 if (!(xen_available())) {
3874 printf("Option %s not supported for this target\n", popt->name);
3875 exit(1);
3876 }
3877 xen_mode = XEN_ATTACH;
3878 break;
3879 case QEMU_OPTION_trace:
3880 {
3881 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3882 optarg, true);
3883 if (!opts) {
3884 exit(1);
3885 }
3886 if (qemu_opt_get(opts, "enable")) {
3887 trace_enable_events(qemu_opt_get(opts, "enable"));
3888 }
3889 trace_init_events(qemu_opt_get(opts, "events"));
3890 if (trace_file) {
3891 g_free(trace_file);
3892 }
3893 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3894 qemu_opts_del(opts);
3895 break;
3896 }
3897 case QEMU_OPTION_readconfig:
3898 {
3899 int ret = qemu_read_config_file(optarg);
3900 if (ret < 0) {
3901 error_report("read config %s: %s", optarg,
3902 strerror(-ret));
3903 exit(1);
3904 }
3905 break;
3906 }
3907 case QEMU_OPTION_spice:
3908 olist = qemu_find_opts("spice");
3909 if (!olist) {
3910 error_report("spice support is disabled");
3911 exit(1);
3912 }
3913 opts = qemu_opts_parse_noisily(olist, optarg, false);
3914 if (!opts) {
3915 exit(1);
3916 }
3917 display_remote++;
3918 break;
3919 case QEMU_OPTION_writeconfig:
3920 {
3921 FILE *fp;
3922 if (strcmp(optarg, "-") == 0) {
3923 fp = stdout;
3924 } else {
3925 fp = fopen(optarg, "w");
3926 if (fp == NULL) {
3927 error_report("open %s: %s", optarg,
3928 strerror(errno));
3929 exit(1);
3930 }
3931 }
3932 qemu_config_write(fp);
3933 if (fp != stdout) {
3934 fclose(fp);
3935 }
3936 break;
3937 }
3938 case QEMU_OPTION_qtest:
3939 qtest_chrdev = optarg;
3940 break;
3941 case QEMU_OPTION_qtest_log:
3942 qtest_log = optarg;
3943 break;
3944 case QEMU_OPTION_sandbox:
3945 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3946 optarg, true);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 break;
3951 case QEMU_OPTION_add_fd:
3952 #ifndef _WIN32
3953 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3954 optarg, false);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 #else
3959 error_report("File descriptor passing is disabled on this "
3960 "platform");
3961 exit(1);
3962 #endif
3963 break;
3964 case QEMU_OPTION_object:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3966 optarg, true);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 break;
3971 case QEMU_OPTION_realtime:
3972 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3973 optarg, false);
3974 if (!opts) {
3975 exit(1);
3976 }
3977 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3978 break;
3979 case QEMU_OPTION_msg:
3980 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3981 false);
3982 if (!opts) {
3983 exit(1);
3984 }
3985 configure_msg(opts);
3986 break;
3987 case QEMU_OPTION_dump_vmstate:
3988 if (vmstate_dump_file) {
3989 error_report("only one '-dump-vmstate' "
3990 "option may be given");
3991 exit(1);
3992 }
3993 vmstate_dump_file = fopen(optarg, "w");
3994 if (vmstate_dump_file == NULL) {
3995 error_report("open %s: %s", optarg, strerror(errno));
3996 exit(1);
3997 }
3998 break;
3999 default:
4000 os_parse_cmd_args(popt->index, optarg);
4001 }
4002 }
4003 }
4004 /*
4005 * Clear error location left behind by the loop.
4006 * Best done right after the loop. Do not insert code here!
4007 */
4008 loc_set_none();
4009
4010 replay_configure(icount_opts);
4011
4012 machine_class = select_machine();
4013
4014 set_memory_options(&ram_slots, &maxram_size, machine_class);
4015
4016 os_daemonize();
4017
4018 if (qemu_init_main_loop(&main_loop_err)) {
4019 error_report_err(main_loop_err);
4020 exit(1);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4024 parse_sandbox, NULL, NULL)) {
4025 exit(1);
4026 }
4027
4028 if (qemu_opts_foreach(qemu_find_opts("name"),
4029 parse_name, NULL, NULL)) {
4030 exit(1);
4031 }
4032
4033 #ifndef _WIN32
4034 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4035 parse_add_fd, NULL, NULL)) {
4036 exit(1);
4037 }
4038
4039 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4040 cleanup_add_fd, NULL, NULL)) {
4041 exit(1);
4042 }
4043 #endif
4044
4045 current_machine = MACHINE(object_new(object_class_get_name(
4046 OBJECT_CLASS(machine_class))));
4047 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4048 exit(0);
4049 }
4050 object_property_add_child(object_get_root(), "machine",
4051 OBJECT(current_machine), &error_abort);
4052 cpu_exec_init_all();
4053
4054 if (machine_class->hw_version) {
4055 qemu_set_hw_version(machine_class->hw_version);
4056 }
4057
4058 /* Init CPU def lists, based on config
4059 * - Must be called after all the qemu_read_config_file() calls
4060 * - Must be called before list_cpus()
4061 * - Must be called before machine_class->init()
4062 */
4063 cpudef_init();
4064
4065 if (cpu_model && is_help_option(cpu_model)) {
4066 list_cpus(stdout, &fprintf, cpu_model);
4067 exit(0);
4068 }
4069
4070 if (!trace_init_backends()) {
4071 exit(1);
4072 }
4073 trace_init_file(trace_file);
4074
4075 /* Open the logfile at this point and set the log mask if necessary.
4076 */
4077 if (log_file) {
4078 qemu_set_log_filename(log_file);
4079 }
4080
4081 if (log_mask) {
4082 int mask;
4083 mask = qemu_str_to_log_mask(log_mask);
4084 if (!mask) {
4085 qemu_print_log_usage(stdout);
4086 exit(1);
4087 }
4088 qemu_set_log(mask);
4089 } else {
4090 qemu_set_log(0);
4091 }
4092
4093 /* If no data_dir is specified then try to find it relative to the
4094 executable path. */
4095 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4096 data_dir[data_dir_idx] = os_find_datadir();
4097 if (data_dir[data_dir_idx] != NULL) {
4098 data_dir_idx++;
4099 }
4100 }
4101 /* If all else fails use the install path specified when building. */
4102 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4103 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4104 }
4105
4106 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4107
4108 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4109 if (max_cpus > machine_class->max_cpus) {
4110 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4111 "supported by machine '%s' (%d)", max_cpus,
4112 machine_class->name, machine_class->max_cpus);
4113 exit(1);
4114 }
4115
4116 /*
4117 * Get the default machine options from the machine if it is not already
4118 * specified either by the configuration file or by the command line.
4119 */
4120 if (machine_class->default_machine_opts) {
4121 qemu_opts_set_defaults(qemu_find_opts("machine"),
4122 machine_class->default_machine_opts, 0);
4123 }
4124
4125 qemu_opts_foreach(qemu_find_opts("device"),
4126 default_driver_check, NULL, NULL);
4127 qemu_opts_foreach(qemu_find_opts("global"),
4128 default_driver_check, NULL, NULL);
4129
4130 if (!vga_model && !default_vga) {
4131 vga_interface_type = VGA_DEVICE;
4132 }
4133 if (!has_defaults || machine_class->no_serial) {
4134 default_serial = 0;
4135 }
4136 if (!has_defaults || machine_class->no_parallel) {
4137 default_parallel = 0;
4138 }
4139 if (!has_defaults || !machine_class->use_virtcon) {
4140 default_virtcon = 0;
4141 }
4142 if (!has_defaults || !machine_class->use_sclp) {
4143 default_sclp = 0;
4144 }
4145 if (!has_defaults || machine_class->no_floppy) {
4146 default_floppy = 0;
4147 }
4148 if (!has_defaults || machine_class->no_cdrom) {
4149 default_cdrom = 0;
4150 }
4151 if (!has_defaults || machine_class->no_sdcard) {
4152 default_sdcard = 0;
4153 }
4154 if (!has_defaults) {
4155 default_monitor = 0;
4156 default_net = 0;
4157 default_vga = 0;
4158 }
4159
4160 if (is_daemonized()) {
4161 /* According to documentation and historically, -nographic redirects
4162 * serial port, parallel port and monitor to stdio, which does not work
4163 * with -daemonize. We can redirect these to null instead, but since
4164 * -nographic is legacy, let's just error out.
4165 * We disallow -nographic only if all other ports are not redirected
4166 * explicitly, to not break existing legacy setups which uses
4167 * -nographic _and_ redirects all ports explicitly - this is valid
4168 * usage, -nographic is just a no-op in this case.
4169 */
4170 if (display_type == DT_NOGRAPHIC
4171 && (default_parallel || default_serial
4172 || default_monitor || default_virtcon)) {
4173 error_report("-nographic cannot be used with -daemonize");
4174 exit(1);
4175 }
4176 #ifdef CONFIG_CURSES
4177 if (display_type == DT_CURSES) {
4178 error_report("curses display cannot be used with -daemonize");
4179 exit(1);
4180 }
4181 #endif
4182 }
4183
4184 if (display_type == DT_NOGRAPHIC) {
4185 if (default_parallel)
4186 add_device_config(DEV_PARALLEL, "null");
4187 if (default_serial && default_monitor) {
4188 add_device_config(DEV_SERIAL, "mon:stdio");
4189 } else if (default_virtcon && default_monitor) {
4190 add_device_config(DEV_VIRTCON, "mon:stdio");
4191 } else if (default_sclp && default_monitor) {
4192 add_device_config(DEV_SCLP, "mon:stdio");
4193 } else {
4194 if (default_serial)
4195 add_device_config(DEV_SERIAL, "stdio");
4196 if (default_virtcon)
4197 add_device_config(DEV_VIRTCON, "stdio");
4198 if (default_sclp) {
4199 add_device_config(DEV_SCLP, "stdio");
4200 }
4201 if (default_monitor)
4202 monitor_parse("stdio", "readline", false);
4203 }
4204 } else {
4205 if (default_serial)
4206 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4207 if (default_parallel)
4208 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4209 if (default_monitor)
4210 monitor_parse("vc:80Cx24C", "readline", false);
4211 if (default_virtcon)
4212 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4213 if (default_sclp) {
4214 add_device_config(DEV_SCLP, "vc:80Cx24C");
4215 }
4216 }
4217
4218 #if defined(CONFIG_VNC)
4219 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4220 display_remote++;
4221 }
4222 #endif
4223 if (display_type == DT_DEFAULT && !display_remote) {
4224 #if defined(CONFIG_GTK)
4225 display_type = DT_GTK;
4226 #elif defined(CONFIG_SDL)
4227 display_type = DT_SDL;
4228 #elif defined(CONFIG_COCOA)
4229 display_type = DT_COCOA;
4230 #elif defined(CONFIG_VNC)
4231 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4232 show_vnc_port = 1;
4233 #else
4234 display_type = DT_NONE;
4235 #endif
4236 }
4237
4238 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4239 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4240 "for SDL, ignoring option");
4241 }
4242 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4243 error_report("-no-quit is only valid for GTK and SDL, "
4244 "ignoring option");
4245 }
4246
4247 if (display_type == DT_GTK) {
4248 early_gtk_display_init(request_opengl);
4249 }
4250
4251 if (display_type == DT_SDL) {
4252 sdl_display_early_init(request_opengl);
4253 }
4254
4255 if (request_opengl == 1 && display_opengl == 0) {
4256 #if defined(CONFIG_OPENGL)
4257 error_report("OpenGL is not supported by the display");
4258 #else
4259 error_report("OpenGL support is disabled");
4260 #endif
4261 exit(1);
4262 }
4263
4264 page_size_init();
4265 socket_init();
4266
4267 if (qemu_opts_foreach(qemu_find_opts("object"),
4268 user_creatable_add_opts_foreach,
4269 object_create_initial, NULL)) {
4270 exit(1);
4271 }
4272
4273 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4274 chardev_init_func, NULL, NULL)) {
4275 exit(1);
4276 }
4277
4278 #ifdef CONFIG_VIRTFS
4279 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4280 fsdev_init_func, NULL, NULL)) {
4281 exit(1);
4282 }
4283 #endif
4284
4285 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4286 error_report("could not acquire pid file: %s", strerror(errno));
4287 exit(1);
4288 }
4289
4290 if (qemu_opts_foreach(qemu_find_opts("device"),
4291 device_help_func, NULL, NULL)) {
4292 exit(0);
4293 }
4294
4295 machine_opts = qemu_get_machine_opts();
4296 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4297 NULL)) {
4298 object_unref(OBJECT(current_machine));
4299 exit(1);
4300 }
4301
4302 configure_accelerator(current_machine);
4303
4304 if (qtest_chrdev) {
4305 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4306 }
4307
4308 machine_opts = qemu_get_machine_opts();
4309 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4310 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4311 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4312 bios_name = qemu_opt_get(machine_opts, "firmware");
4313
4314 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4315 if (opts) {
4316 boot_order = qemu_opt_get(opts, "order");
4317 if (boot_order) {
4318 validate_bootdevices(boot_order, &error_fatal);
4319 }
4320
4321 boot_once = qemu_opt_get(opts, "once");
4322 if (boot_once) {
4323 validate_bootdevices(boot_once, &error_fatal);
4324 }
4325
4326 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4327 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4328 }
4329
4330 if (!boot_order) {
4331 boot_order = machine_class->default_boot_order;
4332 }
4333
4334 if (!kernel_cmdline) {
4335 kernel_cmdline = "";
4336 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4337 }
4338
4339 linux_boot = (kernel_filename != NULL);
4340
4341 if (!linux_boot && *kernel_cmdline != '\0') {
4342 error_report("-append only allowed with -kernel option");
4343 exit(1);
4344 }
4345
4346 if (!linux_boot && initrd_filename != NULL) {
4347 error_report("-initrd only allowed with -kernel option");
4348 exit(1);
4349 }
4350
4351 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4352 error_report("-dtb only allowed with -kernel option");
4353 exit(1);
4354 }
4355
4356 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4357 /* fall back to the -kernel/-append */
4358 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4359 }
4360
4361 os_set_line_buffering();
4362
4363 /* spice needs the timers to be initialized by this point */
4364 qemu_spice_init();
4365
4366 cpu_ticks_init();
4367 if (icount_opts) {
4368 if (kvm_enabled() || xen_enabled()) {
4369 error_report("-icount is not allowed with kvm or xen");
4370 exit(1);
4371 }
4372 configure_icount(icount_opts, &error_abort);
4373 qemu_opts_del(icount_opts);
4374 }
4375
4376 /* clean up network at qemu process termination */
4377 atexit(&net_cleanup);
4378
4379 if (net_init_clients() < 0) {
4380 exit(1);
4381 }
4382
4383 if (qemu_opts_foreach(qemu_find_opts("object"),
4384 user_creatable_add_opts_foreach,
4385 object_create_delayed, NULL)) {
4386 exit(1);
4387 }
4388
4389 #ifdef CONFIG_TPM
4390 if (tpm_init() < 0) {
4391 exit(1);
4392 }
4393 #endif
4394
4395 /* init the bluetooth world */
4396 if (foreach_device_config(DEV_BT, bt_parse))
4397 exit(1);
4398
4399 if (!xen_enabled()) {
4400 /* On 32-bit hosts, QEMU is limited by virtual address space */
4401 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4402 error_report("at most 2047 MB RAM can be simulated");
4403 exit(1);
4404 }
4405 }
4406
4407 blk_mig_init();
4408 ram_mig_init();
4409
4410 /* If the currently selected machine wishes to override the units-per-bus
4411 * property of its default HBA interface type, do so now. */
4412 if (machine_class->units_per_default_bus) {
4413 override_max_devs(machine_class->block_default_type,
4414 machine_class->units_per_default_bus);
4415 }
4416
4417 /* open the virtual block devices */
4418 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4419 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4420 NULL, NULL);
4421 }
4422 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4423 &machine_class->block_default_type, NULL)) {
4424 exit(1);
4425 }
4426
4427 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4428 CDROM_OPTS);
4429 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4430 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4431
4432 parse_numa_opts(machine_class);
4433
4434 if (qemu_opts_foreach(qemu_find_opts("mon"),
4435 mon_init_func, NULL, NULL)) {
4436 exit(1);
4437 }
4438
4439 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4440 exit(1);
4441 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4442 exit(1);
4443 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4444 exit(1);
4445 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4446 exit(1);
4447 }
4448 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4449 exit(1);
4450
4451 /* If no default VGA is requested, the default is "none". */
4452 if (default_vga) {
4453 if (machine_class->default_display) {
4454 vga_model = machine_class->default_display;
4455 } else if (vga_interface_available(VGA_CIRRUS)) {
4456 vga_model = "cirrus";
4457 } else if (vga_interface_available(VGA_STD)) {
4458 vga_model = "std";
4459 }
4460 }
4461 if (vga_model) {
4462 select_vgahw(vga_model);
4463 }
4464
4465 if (watchdog) {
4466 i = select_watchdog(watchdog);
4467 if (i > 0)
4468 exit (i == 1 ? 1 : 0);
4469 }
4470
4471 if (machine_class->compat_props) {
4472 qdev_prop_register_global_list(machine_class->compat_props);
4473 }
4474 qemu_add_globals();
4475
4476 /* This checkpoint is required by replay to separate prior clock
4477 reading from the other reads, because timer polling functions query
4478 clock values from the log. */
4479 replay_checkpoint(CHECKPOINT_INIT);
4480 qdev_machine_init();
4481
4482 current_machine->ram_size = ram_size;
4483 current_machine->maxram_size = maxram_size;
4484 current_machine->ram_slots = ram_slots;
4485 current_machine->boot_order = boot_order;
4486 current_machine->cpu_model = cpu_model;
4487
4488 machine_class->init(current_machine);
4489
4490 realtime_init();
4491
4492 audio_init();
4493
4494 cpu_synchronize_all_post_init();
4495
4496 numa_post_machine_init();
4497
4498 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4499 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4500 exit(1);
4501 }
4502
4503 /* init USB devices */
4504 if (usb_enabled()) {
4505 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4506 exit(1);
4507 }
4508
4509 /* Check if IGD GFX passthrough. */
4510 igd_gfx_passthru();
4511
4512 /* init generic devices */
4513 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4514 if (qemu_opts_foreach(qemu_find_opts("device"),
4515 device_init_func, NULL, NULL)) {
4516 exit(1);
4517 }
4518 rom_reset_order_override();
4519
4520 /* Did we create any drives that we failed to create a device for? */
4521 drive_check_orphaned();
4522
4523 net_check_clients();
4524
4525 if (boot_once) {
4526 qemu_boot_set(boot_once, &error_fatal);
4527 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4528 }
4529
4530 ds = init_displaystate();
4531
4532 /* init local displays */
4533 switch (display_type) {
4534 case DT_NOGRAPHIC:
4535 (void)ds; /* avoid warning if no display is configured */
4536 break;
4537 case DT_CURSES:
4538 curses_display_init(ds, full_screen);
4539 break;
4540 case DT_SDL:
4541 sdl_display_init(ds, full_screen, no_frame);
4542 break;
4543 case DT_COCOA:
4544 cocoa_display_init(ds, full_screen);
4545 break;
4546 case DT_GTK:
4547 gtk_display_init(ds, full_screen, grab_on_hover);
4548 break;
4549 default:
4550 break;
4551 }
4552
4553 /* must be after terminal init, SDL library changes signal handlers */
4554 os_setup_signal_handling();
4555
4556 /* init remote displays */
4557 qemu_opts_foreach(qemu_find_opts("vnc"),
4558 vnc_init_func, NULL, NULL);
4559 if (show_vnc_port) {
4560 char *ret = vnc_display_local_addr("default");
4561 printf("VNC server running on '%s'\n", ret);
4562 g_free(ret);
4563 }
4564
4565 if (using_spice) {
4566 qemu_spice_display_init();
4567 }
4568
4569 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4570 exit(1);
4571 }
4572
4573 qdev_machine_creation_done();
4574
4575 /* TODO: once all bus devices are qdevified, this should be done
4576 * when bus is created by qdev.c */
4577 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4578 qemu_run_machine_init_done_notifiers();
4579
4580 if (rom_check_and_register_reset() != 0) {
4581 error_report("rom check and register reset failed");
4582 exit(1);
4583 }
4584
4585 replay_start();
4586
4587 /* This checkpoint is required by replay to separate prior clock
4588 reading from the other reads, because timer polling functions query
4589 clock values from the log. */
4590 replay_checkpoint(CHECKPOINT_RESET);
4591 qemu_system_reset(VMRESET_SILENT);
4592 register_global_state();
4593 if (loadvm) {
4594 if (load_vmstate(loadvm) < 0) {
4595 autostart = 0;
4596 }
4597 }
4598
4599 qdev_prop_check_globals();
4600 if (vmstate_dump_file) {
4601 /* dump and exit */
4602 dump_vmstate_json_to_file(vmstate_dump_file);
4603 return 0;
4604 }
4605
4606 if (incoming) {
4607 Error *local_err = NULL;
4608 qemu_start_incoming_migration(incoming, &local_err);
4609 if (local_err) {
4610 error_reportf_err(local_err, "-incoming %s: ", incoming);
4611 exit(1);
4612 }
4613 } else if (autostart) {
4614 vm_start();
4615 }
4616
4617 os_setup_post();
4618
4619 main_loop();
4620 replay_disable_events();
4621
4622 bdrv_close_all();
4623 pause_all_vcpus();
4624 res_free();
4625 #ifdef CONFIG_TPM
4626 tpm_cleanup();
4627 #endif
4628
4629 return 0;
4630 }
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