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pc-bios/s390-ccw: add simplified virtio call
[qemu.git] / vl.c
blob40ed4d0cb9c05491869a3584366a7adc0123aacd
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
26
27 #ifdef CONFIG_SECCOMP
28 #include "sysemu/seccomp.h"
29 #endif
30
31 #if defined(CONFIG_VDE)
32 #include <libvdeplug.h>
33 #endif
34
35 #ifdef CONFIG_SDL
36 #if defined(__APPLE__) || defined(main)
37 #include <SDL.h>
38 int qemu_main(int argc, char **argv, char **envp);
39 int main(int argc, char **argv)
40 {
41 return qemu_main(argc, argv, NULL);
42 }
43 #undef main
44 #define main qemu_main
45 #endif
46 #endif /* CONFIG_SDL */
47
48 #ifdef CONFIG_COCOA
49 #undef main
50 #define main qemu_main
51 #endif /* CONFIG_COCOA */
52
53 #include <glib.h>
54
55 #include "qemu/error-report.h"
56 #include "qemu/sockets.h"
57 #include "hw/hw.h"
58 #include "hw/boards.h"
59 #include "sysemu/accel.h"
60 #include "hw/usb.h"
61 #include "hw/i386/pc.h"
62 #include "hw/isa/isa.h"
63 #include "hw/bt.h"
64 #include "sysemu/watchdog.h"
65 #include "hw/smbios/smbios.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "sysemu/char.h"
81 #include "qemu/bitmap.h"
82 #include "sysemu/blockdev.h"
83 #include "hw/block/block.h"
84 #include "migration/block.h"
85 #include "sysemu/tpm.h"
86 #include "sysemu/dma.h"
87 #include "audio/audio.h"
88 #include "migration/migration.h"
89 #include "sysemu/kvm.h"
90 #include "qapi/qmp/qjson.h"
91 #include "qemu/option.h"
92 #include "qemu/config-file.h"
93 #include "qemu-options.h"
94 #include "qmp-commands.h"
95 #include "qemu/main-loop.h"
96 #ifdef CONFIG_VIRTFS
97 #include "fsdev/qemu-fsdev.h"
98 #endif
99 #include "sysemu/qtest.h"
100
101 #include "disas/disas.h"
102
103
104 #include "slirp/libslirp.h"
105
106 #include "trace.h"
107 #include "trace/control.h"
108 #include "qemu/queue.h"
109 #include "sysemu/cpus.h"
110 #include "sysemu/arch_init.h"
111
112 #include "ui/qemu-spice.h"
113 #include "qapi/string-input-visitor.h"
114 #include "qapi/opts-visitor.h"
115 #include "qom/object_interfaces.h"
116 #include "qapi-event.h"
117 #include "exec/semihost.h"
118 #include "crypto/init.h"
119 #include "sysemu/replay.h"
120 #include "qapi/qmp/qerror.h"
121
122 #define MAX_VIRTIO_CONSOLES 1
123 #define MAX_SCLP_CONSOLES 1
124
125 static const char *data_dir[16];
126 static int data_dir_idx;
127 const char *bios_name = NULL;
128 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
129 DisplayType display_type = DT_DEFAULT;
130 int request_opengl = -1;
131 int display_opengl;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 int acpi_enabled = 1;
162 int no_hpet = 0;
163 int fd_bootchk = 1;
164 static int no_reboot;
165 int no_shutdown = 0;
166 int cursor_hide = 1;
167 int graphic_rotate = 0;
168 const char *watchdog;
169 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
170 int nb_option_roms;
171 int old_param = 0;
172 const char *qemu_name;
173 int alt_grab = 0;
174 int ctrl_grab = 0;
175 unsigned int nb_prom_envs = 0;
176 const char *prom_envs[MAX_PROM_ENVS];
177 int boot_menu;
178 bool boot_strict;
179 uint8_t *boot_splash_filedata;
180 size_t boot_splash_filedata_size;
181 uint8_t qemu_extra_params_fw[2];
182
183 int icount_align_option;
184
185 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
186 * little-endian "wire format" described in the SMBIOS 2.6 specification.
187 */
188 uint8_t qemu_uuid[16];
189 bool qemu_uuid_set;
190
191 static NotifierList exit_notifiers =
192 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
193
194 static NotifierList machine_init_done_notifiers =
195 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
196
197 bool xen_allowed;
198 uint32_t xen_domid;
199 enum xen_mode xen_mode = XEN_EMULATE;
200
201 static int has_defaults = 1;
202 static int default_serial = 1;
203 static int default_parallel = 1;
204 static int default_virtcon = 1;
205 static int default_sclp = 1;
206 static int default_monitor = 1;
207 static int default_floppy = 1;
208 static int default_cdrom = 1;
209 static int default_sdcard = 1;
210 static int default_vga = 1;
211
212 static struct {
213 const char *driver;
214 int *flag;
215 } default_list[] = {
216 { .driver = "isa-serial", .flag = &default_serial },
217 { .driver = "isa-parallel", .flag = &default_parallel },
218 { .driver = "isa-fdc", .flag = &default_floppy },
219 { .driver = "ide-cd", .flag = &default_cdrom },
220 { .driver = "ide-hd", .flag = &default_cdrom },
221 { .driver = "ide-drive", .flag = &default_cdrom },
222 { .driver = "scsi-cd", .flag = &default_cdrom },
223 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
224 { .driver = "virtio-serial", .flag = &default_virtcon },
225 { .driver = "VGA", .flag = &default_vga },
226 { .driver = "isa-vga", .flag = &default_vga },
227 { .driver = "cirrus-vga", .flag = &default_vga },
228 { .driver = "isa-cirrus-vga", .flag = &default_vga },
229 { .driver = "vmware-svga", .flag = &default_vga },
230 { .driver = "qxl-vga", .flag = &default_vga },
231 { .driver = "virtio-vga", .flag = &default_vga },
232 };
233
234 static QemuOptsList qemu_rtc_opts = {
235 .name = "rtc",
236 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
237 .desc = {
238 {
239 .name = "base",
240 .type = QEMU_OPT_STRING,
241 },{
242 .name = "clock",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "driftfix",
246 .type = QEMU_OPT_STRING,
247 },
248 { /* end of list */ }
249 },
250 };
251
252 static QemuOptsList qemu_sandbox_opts = {
253 .name = "sandbox",
254 .implied_opt_name = "enable",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
256 .desc = {
257 {
258 .name = "enable",
259 .type = QEMU_OPT_BOOL,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_trace_opts = {
266 .name = "trace",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_STRING,
273 },
274 {
275 .name = "events",
276 .type = QEMU_OPT_STRING,
277 },{
278 .name = "file",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_option_rom_opts = {
286 .name = "option-rom",
287 .implied_opt_name = "romfile",
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
289 .desc = {
290 {
291 .name = "bootindex",
292 .type = QEMU_OPT_NUMBER,
293 }, {
294 .name = "romfile",
295 .type = QEMU_OPT_STRING,
296 },
297 { /* end of list */ }
298 },
299 };
300
301 static QemuOptsList qemu_machine_opts = {
302 .name = "machine",
303 .implied_opt_name = "type",
304 .merge_lists = true,
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
306 .desc = {
307 /*
308 * no elements => accept any
309 * sanity checking will happen later
310 * when setting machine properties
311 */
312 { }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_msg_opts = {
401 .name = "msg",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
403 .desc = {
404 {
405 .name = "timestamp",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_name_opts = {
413 .name = "name",
414 .implied_opt_name = "guest",
415 .merge_lists = true,
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
417 .desc = {
418 {
419 .name = "guest",
420 .type = QEMU_OPT_STRING,
421 .help = "Sets the name of the guest.\n"
422 "This name will be displayed in the SDL window caption.\n"
423 "The name will also be used for the VNC server",
424 }, {
425 .name = "process",
426 .type = QEMU_OPT_STRING,
427 .help = "Sets the name of the QEMU process, as shown in top etc",
428 }, {
429 .name = "debug-threads",
430 .type = QEMU_OPT_BOOL,
431 .help = "When enabled, name the individual threads; defaults off.\n"
432 "NOTE: The thread names are for debugging and not a\n"
433 "stable API.",
434 },
435 { /* End of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_mem_opts = {
440 .name = "memory",
441 .implied_opt_name = "size",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
443 .merge_lists = true,
444 .desc = {
445 {
446 .name = "size",
447 .type = QEMU_OPT_SIZE,
448 },
449 {
450 .name = "slots",
451 .type = QEMU_OPT_NUMBER,
452 },
453 {
454 .name = "maxmem",
455 .type = QEMU_OPT_SIZE,
456 },
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_icount_opts = {
462 .name = "icount",
463 .implied_opt_name = "shift",
464 .merge_lists = true,
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
466 .desc = {
467 {
468 .name = "shift",
469 .type = QEMU_OPT_STRING,
470 }, {
471 .name = "align",
472 .type = QEMU_OPT_BOOL,
473 }, {
474 .name = "sleep",
475 .type = QEMU_OPT_BOOL,
476 }, {
477 .name = "rr",
478 .type = QEMU_OPT_STRING,
479 }, {
480 .name = "rrfile",
481 .type = QEMU_OPT_STRING,
482 },
483 { /* end of list */ }
484 },
485 };
486
487 static QemuOptsList qemu_semihosting_config_opts = {
488 .name = "semihosting-config",
489 .implied_opt_name = "enable",
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
491 .desc = {
492 {
493 .name = "enable",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "target",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "arg",
500 .type = QEMU_OPT_STRING,
501 },
502 { /* end of list */ }
503 },
504 };
505
506 static QemuOptsList qemu_fw_cfg_opts = {
507 .name = "fw_cfg",
508 .implied_opt_name = "name",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
510 .desc = {
511 {
512 .name = "name",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the fw_cfg name of the blob to be inserted",
515 }, {
516 .name = "file",
517 .type = QEMU_OPT_STRING,
518 .help = "Sets the name of the file from which\n"
519 "the fw_cfg blob will be loaded",
520 }, {
521 .name = "string",
522 .type = QEMU_OPT_STRING,
523 .help = "Sets content of the blob to be inserted from a string",
524 },
525 { /* end of list */ }
526 },
527 };
528
529 /**
530 * Get machine options
531 *
532 * Returns: machine options (never null).
533 */
534 QemuOpts *qemu_get_machine_opts(void)
535 {
536 return qemu_find_opts_singleton("machine");
537 }
538
539 const char *qemu_get_vm_name(void)
540 {
541 return qemu_name;
542 }
543
544 static void res_free(void)
545 {
546 g_free(boot_splash_filedata);
547 boot_splash_filedata = NULL;
548 }
549
550 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
551 {
552 const char *driver = qemu_opt_get(opts, "driver");
553 int i;
554
555 if (!driver)
556 return 0;
557 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
558 if (strcmp(default_list[i].driver, driver) != 0)
559 continue;
560 *(default_list[i].flag) = 0;
561 }
562 return 0;
563 }
564
565 /***********************************************************/
566 /* QEMU state */
567
568 static RunState current_run_state = RUN_STATE_PRELAUNCH;
569
570 /* We use RUN_STATE__MAX but any invalid value will do */
571 static RunState vmstop_requested = RUN_STATE__MAX;
572 static QemuMutex vmstop_lock;
573
574 typedef struct {
575 RunState from;
576 RunState to;
577 } RunStateTransition;
578
579 static const RunStateTransition runstate_transitions_def[] = {
580 /* from -> to */
581 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
582 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
584
585 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
588 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
592 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
593 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
595 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
596
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
602 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
612
613 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
616
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
622 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
625 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
628 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
632 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
633 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
634
635 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
636
637 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
642 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
643 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
644 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
648 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE__MAX, RUN_STATE__MAX },
656 };
657
658 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
659
660 bool runstate_check(RunState state)
661 {
662 return current_run_state == state;
663 }
664
665 bool runstate_store(char *str, size_t size)
666 {
667 const char *state = RunState_lookup[current_run_state];
668 size_t len = strlen(state) + 1;
669
670 if (len > size) {
671 return false;
672 }
673 memcpy(str, state, len);
674 return true;
675 }
676
677 static void runstate_init(void)
678 {
679 const RunStateTransition *p;
680
681 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
682 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
683 runstate_valid_transitions[p->from][p->to] = true;
684 }
685
686 qemu_mutex_init(&vmstop_lock);
687 }
688
689 /* This function will abort() on invalid state transitions */
690 void runstate_set(RunState new_state)
691 {
692 assert(new_state < RUN_STATE__MAX);
693
694 if (!runstate_valid_transitions[current_run_state][new_state]) {
695 error_report("invalid runstate transition: '%s' -> '%s'",
696 RunState_lookup[current_run_state],
697 RunState_lookup[new_state]);
698 abort();
699 }
700 trace_runstate_set(new_state);
701 current_run_state = new_state;
702 }
703
704 int runstate_is_running(void)
705 {
706 return runstate_check(RUN_STATE_RUNNING);
707 }
708
709 bool runstate_needs_reset(void)
710 {
711 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
712 runstate_check(RUN_STATE_SHUTDOWN);
713 }
714
715 StatusInfo *qmp_query_status(Error **errp)
716 {
717 StatusInfo *info = g_malloc0(sizeof(*info));
718
719 info->running = runstate_is_running();
720 info->singlestep = singlestep;
721 info->status = current_run_state;
722
723 return info;
724 }
725
726 static bool qemu_vmstop_requested(RunState *r)
727 {
728 qemu_mutex_lock(&vmstop_lock);
729 *r = vmstop_requested;
730 vmstop_requested = RUN_STATE__MAX;
731 qemu_mutex_unlock(&vmstop_lock);
732 return *r < RUN_STATE__MAX;
733 }
734
735 void qemu_system_vmstop_request_prepare(void)
736 {
737 qemu_mutex_lock(&vmstop_lock);
738 }
739
740 void qemu_system_vmstop_request(RunState state)
741 {
742 vmstop_requested = state;
743 qemu_mutex_unlock(&vmstop_lock);
744 qemu_notify_event();
745 }
746
747 void vm_start(void)
748 {
749 RunState requested;
750
751 qemu_vmstop_requested(&requested);
752 if (runstate_is_running() && requested == RUN_STATE__MAX) {
753 return;
754 }
755
756 /* Ensure that a STOP/RESUME pair of events is emitted if a
757 * vmstop request was pending. The BLOCK_IO_ERROR event, for
758 * example, according to documentation is always followed by
759 * the STOP event.
760 */
761 if (runstate_is_running()) {
762 qapi_event_send_stop(&error_abort);
763 } else {
764 cpu_enable_ticks();
765 runstate_set(RUN_STATE_RUNNING);
766 vm_state_notify(1, RUN_STATE_RUNNING);
767 resume_all_vcpus();
768 }
769
770 qapi_event_send_resume(&error_abort);
771 }
772
773
774 /***********************************************************/
775 /* real time host monotonic timer */
776
777 static time_t qemu_time(void)
778 {
779 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
780 }
781
782 /***********************************************************/
783 /* host time/date access */
784 void qemu_get_timedate(struct tm *tm, int offset)
785 {
786 time_t ti = qemu_time();
787
788 ti += offset;
789 if (rtc_date_offset == -1) {
790 if (rtc_utc)
791 gmtime_r(&ti, tm);
792 else
793 localtime_r(&ti, tm);
794 } else {
795 ti -= rtc_date_offset;
796 gmtime_r(&ti, tm);
797 }
798 }
799
800 int qemu_timedate_diff(struct tm *tm)
801 {
802 time_t seconds;
803
804 if (rtc_date_offset == -1)
805 if (rtc_utc)
806 seconds = mktimegm(tm);
807 else {
808 struct tm tmp = *tm;
809 tmp.tm_isdst = -1; /* use timezone to figure it out */
810 seconds = mktime(&tmp);
811 }
812 else
813 seconds = mktimegm(tm) + rtc_date_offset;
814
815 return seconds - qemu_time();
816 }
817
818 static void configure_rtc_date_offset(const char *startdate, int legacy)
819 {
820 time_t rtc_start_date;
821 struct tm tm;
822
823 if (!strcmp(startdate, "now") && legacy) {
824 rtc_date_offset = -1;
825 } else {
826 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
827 &tm.tm_year,
828 &tm.tm_mon,
829 &tm.tm_mday,
830 &tm.tm_hour,
831 &tm.tm_min,
832 &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday) == 3) {
838 tm.tm_hour = 0;
839 tm.tm_min = 0;
840 tm.tm_sec = 0;
841 } else {
842 goto date_fail;
843 }
844 tm.tm_year -= 1900;
845 tm.tm_mon--;
846 rtc_start_date = mktimegm(&tm);
847 if (rtc_start_date == -1) {
848 date_fail:
849 error_report("invalid date format");
850 error_printf("valid formats: "
851 "'2006-06-17T16:01:21' or '2006-06-17'\n");
852 exit(1);
853 }
854 rtc_date_offset = qemu_time() - rtc_start_date;
855 }
856 }
857
858 static void configure_rtc(QemuOpts *opts)
859 {
860 const char *value;
861
862 value = qemu_opt_get(opts, "base");
863 if (value) {
864 if (!strcmp(value, "utc")) {
865 rtc_utc = 1;
866 } else if (!strcmp(value, "localtime")) {
867 Error *blocker = NULL;
868 rtc_utc = 0;
869 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
870 "-rtc base=localtime");
871 replay_add_blocker(blocker);
872 } else {
873 configure_rtc_date_offset(value, 0);
874 }
875 }
876 value = qemu_opt_get(opts, "clock");
877 if (value) {
878 if (!strcmp(value, "host")) {
879 rtc_clock = QEMU_CLOCK_HOST;
880 } else if (!strcmp(value, "rt")) {
881 rtc_clock = QEMU_CLOCK_REALTIME;
882 } else if (!strcmp(value, "vm")) {
883 rtc_clock = QEMU_CLOCK_VIRTUAL;
884 } else {
885 error_report("invalid option value '%s'", value);
886 exit(1);
887 }
888 }
889 value = qemu_opt_get(opts, "driftfix");
890 if (value) {
891 if (!strcmp(value, "slew")) {
892 static GlobalProperty slew_lost_ticks[] = {
893 {
894 .driver = "mc146818rtc",
895 .property = "lost_tick_policy",
896 .value = "slew",
897 },
898 { /* end of list */ }
899 };
900
901 qdev_prop_register_global_list(slew_lost_ticks);
902 } else if (!strcmp(value, "none")) {
903 /* discard is default */
904 } else {
905 error_report("invalid option value '%s'", value);
906 exit(1);
907 }
908 }
909 }
910
911 /***********************************************************/
912 /* Bluetooth support */
913 static int nb_hcis;
914 static int cur_hci;
915 static struct HCIInfo *hci_table[MAX_NICS];
916
917 struct HCIInfo *qemu_next_hci(void)
918 {
919 if (cur_hci == nb_hcis)
920 return &null_hci;
921
922 return hci_table[cur_hci++];
923 }
924
925 static int bt_hci_parse(const char *str)
926 {
927 struct HCIInfo *hci;
928 bdaddr_t bdaddr;
929
930 if (nb_hcis >= MAX_NICS) {
931 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
932 return -1;
933 }
934
935 hci = hci_init(str);
936 if (!hci)
937 return -1;
938
939 bdaddr.b[0] = 0x52;
940 bdaddr.b[1] = 0x54;
941 bdaddr.b[2] = 0x00;
942 bdaddr.b[3] = 0x12;
943 bdaddr.b[4] = 0x34;
944 bdaddr.b[5] = 0x56 + nb_hcis;
945 hci->bdaddr_set(hci, bdaddr.b);
946
947 hci_table[nb_hcis++] = hci;
948
949 return 0;
950 }
951
952 static void bt_vhci_add(int vlan_id)
953 {
954 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
955
956 if (!vlan->slave)
957 error_report("warning: adding a VHCI to an empty scatternet %i",
958 vlan_id);
959
960 bt_vhci_init(bt_new_hci(vlan));
961 }
962
963 static struct bt_device_s *bt_device_add(const char *opt)
964 {
965 struct bt_scatternet_s *vlan;
966 int vlan_id = 0;
967 char *endp = strstr(opt, ",vlan=");
968 int len = (endp ? endp - opt : strlen(opt)) + 1;
969 char devname[10];
970
971 pstrcpy(devname, MIN(sizeof(devname), len), opt);
972
973 if (endp) {
974 vlan_id = strtol(endp + 6, &endp, 0);
975 if (*endp) {
976 error_report("unrecognised bluetooth vlan Id");
977 return 0;
978 }
979 }
980
981 vlan = qemu_find_bt_vlan(vlan_id);
982
983 if (!vlan->slave)
984 error_report("warning: adding a slave device to an empty scatternet %i",
985 vlan_id);
986
987 if (!strcmp(devname, "keyboard"))
988 return bt_keyboard_init(vlan);
989
990 error_report("unsupported bluetooth device '%s'", devname);
991 return 0;
992 }
993
994 static int bt_parse(const char *opt)
995 {
996 const char *endp, *p;
997 int vlan;
998
999 if (strstart(opt, "hci", &endp)) {
1000 if (!*endp || *endp == ',') {
1001 if (*endp)
1002 if (!strstart(endp, ",vlan=", 0))
1003 opt = endp + 1;
1004
1005 return bt_hci_parse(opt);
1006 }
1007 } else if (strstart(opt, "vhci", &endp)) {
1008 if (!*endp || *endp == ',') {
1009 if (*endp) {
1010 if (strstart(endp, ",vlan=", &p)) {
1011 vlan = strtol(p, (char **) &endp, 0);
1012 if (*endp) {
1013 error_report("bad scatternet '%s'", p);
1014 return 1;
1015 }
1016 } else {
1017 error_report("bad parameter '%s'", endp + 1);
1018 return 1;
1019 }
1020 } else
1021 vlan = 0;
1022
1023 bt_vhci_add(vlan);
1024 return 0;
1025 }
1026 } else if (strstart(opt, "device:", &endp))
1027 return !bt_device_add(endp);
1028
1029 error_report("bad bluetooth parameter '%s'", opt);
1030 return 1;
1031 }
1032
1033 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1034 {
1035 /* FIXME: change this to true for 1.3 */
1036 if (qemu_opt_get_bool(opts, "enable", false)) {
1037 #ifdef CONFIG_SECCOMP
1038 if (seccomp_start() < 0) {
1039 error_report("failed to install seccomp syscall filter "
1040 "in the kernel");
1041 return -1;
1042 }
1043 #else
1044 error_report("seccomp support is disabled");
1045 return -1;
1046 #endif
1047 }
1048
1049 return 0;
1050 }
1051
1052 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1053 {
1054 const char *proc_name;
1055
1056 if (qemu_opt_get(opts, "debug-threads")) {
1057 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1058 }
1059 qemu_name = qemu_opt_get(opts, "guest");
1060
1061 proc_name = qemu_opt_get(opts, "process");
1062 if (proc_name) {
1063 os_set_proc_name(proc_name);
1064 }
1065
1066 return 0;
1067 }
1068
1069 bool defaults_enabled(void)
1070 {
1071 return has_defaults;
1072 }
1073
1074 bool usb_enabled(void)
1075 {
1076 return machine_usb(current_machine);
1077 }
1078
1079 #ifndef _WIN32
1080 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1081 {
1082 int fd, dupfd, flags;
1083 int64_t fdset_id;
1084 const char *fd_opaque = NULL;
1085 AddfdInfo *fdinfo;
1086
1087 fd = qemu_opt_get_number(opts, "fd", -1);
1088 fdset_id = qemu_opt_get_number(opts, "set", -1);
1089 fd_opaque = qemu_opt_get(opts, "opaque");
1090
1091 if (fd < 0) {
1092 error_report("fd option is required and must be non-negative");
1093 return -1;
1094 }
1095
1096 if (fd <= STDERR_FILENO) {
1097 error_report("fd cannot be a standard I/O stream");
1098 return -1;
1099 }
1100
1101 /*
1102 * All fds inherited across exec() necessarily have FD_CLOEXEC
1103 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1104 */
1105 flags = fcntl(fd, F_GETFD);
1106 if (flags == -1 || (flags & FD_CLOEXEC)) {
1107 error_report("fd is not valid or already in use");
1108 return -1;
1109 }
1110
1111 if (fdset_id < 0) {
1112 error_report("set option is required and must be non-negative");
1113 return -1;
1114 }
1115
1116 #ifdef F_DUPFD_CLOEXEC
1117 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1118 #else
1119 dupfd = dup(fd);
1120 if (dupfd != -1) {
1121 qemu_set_cloexec(dupfd);
1122 }
1123 #endif
1124 if (dupfd == -1) {
1125 error_report("error duplicating fd: %s", strerror(errno));
1126 return -1;
1127 }
1128
1129 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1130 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1131 &error_abort);
1132 g_free(fdinfo);
1133
1134 return 0;
1135 }
1136
1137 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1138 {
1139 int fd;
1140
1141 fd = qemu_opt_get_number(opts, "fd", -1);
1142 close(fd);
1143
1144 return 0;
1145 }
1146 #endif
1147
1148 /***********************************************************/
1149 /* QEMU Block devices */
1150
1151 #define HD_OPTS "media=disk"
1152 #define CDROM_OPTS "media=cdrom"
1153 #define FD_OPTS ""
1154 #define PFLASH_OPTS ""
1155 #define MTD_OPTS ""
1156 #define SD_OPTS ""
1157
1158 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 BlockInterfaceType *block_default_type = opaque;
1161
1162 return drive_new(opts, *block_default_type) == NULL;
1163 }
1164
1165 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1166 {
1167 if (qemu_opt_get(opts, "snapshot") == NULL) {
1168 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1169 }
1170 return 0;
1171 }
1172
1173 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1174 int index, const char *optstr)
1175 {
1176 QemuOpts *opts;
1177 DriveInfo *dinfo;
1178
1179 if (!enable || drive_get_by_index(type, index)) {
1180 return;
1181 }
1182
1183 opts = drive_add(type, index, NULL, optstr);
1184 if (snapshot) {
1185 drive_enable_snapshot(NULL, opts, NULL);
1186 }
1187
1188 dinfo = drive_new(opts, type);
1189 if (!dinfo) {
1190 exit(1);
1191 }
1192 dinfo->is_default = true;
1193
1194 }
1195
1196 static QemuOptsList qemu_smp_opts = {
1197 .name = "smp-opts",
1198 .implied_opt_name = "cpus",
1199 .merge_lists = true,
1200 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1201 .desc = {
1202 {
1203 .name = "cpus",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "sockets",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "cores",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "threads",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "maxcpus",
1216 .type = QEMU_OPT_NUMBER,
1217 },
1218 { /*End of list */ }
1219 },
1220 };
1221
1222 static void smp_parse(QemuOpts *opts)
1223 {
1224 if (opts) {
1225
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1236 if (cpus == 0) {
1237 cpus = cores * threads * sockets;
1238 }
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 } else if (threads == 0) {
1243 threads = cpus / (cores * sockets);
1244 } else if (sockets * cores * threads < cpus) {
1245 error_report("cpu topology: "
1246 "sockets (%u) * cores (%u) * threads (%u) < "
1247 "smp_cpus (%u)",
1248 sockets, cores, threads, cpus);
1249 exit(1);
1250 }
1251
1252 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1256 "maxcpus (%u)",
1257 sockets, cores, threads, max_cpus);
1258 exit(1);
1259 }
1260
1261 smp_cpus = cpus;
1262 smp_cores = cores > 0 ? cores : 1;
1263 smp_threads = threads > 0 ? threads : 1;
1264
1265 }
1266
1267 if (max_cpus == 0) {
1268 max_cpus = smp_cpus;
1269 }
1270
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1273 exit(1);
1274 }
1275 if (max_cpus < smp_cpus) {
1276 error_report("maxcpus must be equal to or greater than smp");
1277 exit(1);
1278 }
1279
1280 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1281 Error *blocker = NULL;
1282 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1283 replay_add_blocker(blocker);
1284 }
1285 }
1286
1287 static void realtime_init(void)
1288 {
1289 if (enable_mlock) {
1290 if (os_mlock() < 0) {
1291 error_report("locking memory failed");
1292 exit(1);
1293 }
1294 }
1295 }
1296
1297
1298 static void configure_msg(QemuOpts *opts)
1299 {
1300 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1301 }
1302
1303 /***********************************************************/
1304 /* Semihosting */
1305
1306 typedef struct SemihostingConfig {
1307 bool enabled;
1308 SemihostingTarget target;
1309 const char **argv;
1310 int argc;
1311 const char *cmdline; /* concatenated argv */
1312 } SemihostingConfig;
1313
1314 static SemihostingConfig semihosting;
1315
1316 bool semihosting_enabled(void)
1317 {
1318 return semihosting.enabled;
1319 }
1320
1321 SemihostingTarget semihosting_get_target(void)
1322 {
1323 return semihosting.target;
1324 }
1325
1326 const char *semihosting_get_arg(int i)
1327 {
1328 if (i >= semihosting.argc) {
1329 return NULL;
1330 }
1331 return semihosting.argv[i];
1332 }
1333
1334 int semihosting_get_argc(void)
1335 {
1336 return semihosting.argc;
1337 }
1338
1339 const char *semihosting_get_cmdline(void)
1340 {
1341 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1342 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1343 }
1344 return semihosting.cmdline;
1345 }
1346
1347 static int add_semihosting_arg(void *opaque,
1348 const char *name, const char *val,
1349 Error **errp)
1350 {
1351 SemihostingConfig *s = opaque;
1352 if (strcmp(name, "arg") == 0) {
1353 s->argc++;
1354 /* one extra element as g_strjoinv() expects NULL-terminated array */
1355 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1356 s->argv[s->argc - 1] = val;
1357 s->argv[s->argc] = NULL;
1358 }
1359 return 0;
1360 }
1361
1362 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1363 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1364 {
1365 char *cmd_token;
1366
1367 /* argv[0] */
1368 add_semihosting_arg(&semihosting, "arg", file, NULL);
1369
1370 /* split -append and initialize argv[1..n] */
1371 cmd_token = strtok(g_strdup(cmd), " ");
1372 while (cmd_token) {
1373 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1374 cmd_token = strtok(NULL, " ");
1375 }
1376 }
1377
1378 /* Now we still need this for compatibility with XEN. */
1379 bool has_igd_gfx_passthru;
1380 static void igd_gfx_passthru(void)
1381 {
1382 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1383 }
1384
1385 /***********************************************************/
1386 /* USB devices */
1387
1388 static int usb_device_add(const char *devname)
1389 {
1390 USBDevice *dev = NULL;
1391 #ifndef CONFIG_LINUX
1392 const char *p;
1393 #endif
1394
1395 if (!usb_enabled()) {
1396 return -1;
1397 }
1398
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev = usbdevice_create(devname);
1401 if (dev)
1402 goto done;
1403
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname, "host:", &p)) {
1408 dev = usb_host_device_open(usb_bus_find(-1), p);
1409 }
1410 #endif
1411 if (!dev)
1412 return -1;
1413
1414 done:
1415 return 0;
1416 }
1417
1418 static int usb_device_del(const char *devname)
1419 {
1420 int bus_num, addr;
1421 const char *p;
1422
1423 if (strstart(devname, "host:", &p)) {
1424 return -1;
1425 }
1426
1427 if (!usb_enabled()) {
1428 return -1;
1429 }
1430
1431 p = strchr(devname, '.');
1432 if (!p)
1433 return -1;
1434 bus_num = strtoul(devname, NULL, 0);
1435 addr = strtoul(p + 1, NULL, 0);
1436
1437 return usb_device_delete_addr(bus_num, addr);
1438 }
1439
1440 static int usb_parse(const char *cmdline)
1441 {
1442 int r;
1443 r = usb_device_add(cmdline);
1444 if (r < 0) {
1445 error_report("could not add USB device '%s'", cmdline);
1446 }
1447 return r;
1448 }
1449
1450 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1451 {
1452 const char *devname = qdict_get_str(qdict, "devname");
1453 if (usb_device_add(devname) < 0) {
1454 error_report("could not add USB device '%s'", devname);
1455 }
1456 }
1457
1458 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1459 {
1460 const char *devname = qdict_get_str(qdict, "devname");
1461 if (usb_device_del(devname) < 0) {
1462 error_report("could not delete USB device '%s'", devname);
1463 }
1464 }
1465
1466 /***********************************************************/
1467 /* machine registration */
1468
1469 MachineState *current_machine;
1470
1471 static MachineClass *find_machine(const char *name)
1472 {
1473 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1474 MachineClass *mc = NULL;
1475
1476 for (el = machines; el; el = el->next) {
1477 MachineClass *temp = el->data;
1478
1479 if (!strcmp(temp->name, name)) {
1480 mc = temp;
1481 break;
1482 }
1483 if (temp->alias &&
1484 !strcmp(temp->alias, name)) {
1485 mc = temp;
1486 break;
1487 }
1488 }
1489
1490 g_slist_free(machines);
1491 return mc;
1492 }
1493
1494 MachineClass *find_default_machine(void)
1495 {
1496 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1497 MachineClass *mc = NULL;
1498
1499 for (el = machines; el; el = el->next) {
1500 MachineClass *temp = el->data;
1501
1502 if (temp->is_default) {
1503 mc = temp;
1504 break;
1505 }
1506 }
1507
1508 g_slist_free(machines);
1509 return mc;
1510 }
1511
1512 MachineInfoList *qmp_query_machines(Error **errp)
1513 {
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineInfoList *mach_list = NULL;
1516
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *mc = el->data;
1519 MachineInfoList *entry;
1520 MachineInfo *info;
1521
1522 info = g_malloc0(sizeof(*info));
1523 if (mc->is_default) {
1524 info->has_is_default = true;
1525 info->is_default = true;
1526 }
1527
1528 if (mc->alias) {
1529 info->has_alias = true;
1530 info->alias = g_strdup(mc->alias);
1531 }
1532
1533 info->name = g_strdup(mc->name);
1534 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1535
1536 entry = g_malloc0(sizeof(*entry));
1537 entry->value = info;
1538 entry->next = mach_list;
1539 mach_list = entry;
1540 }
1541
1542 g_slist_free(machines);
1543 return mach_list;
1544 }
1545
1546 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1547 {
1548 ObjectProperty *prop;
1549 ObjectPropertyIterator iter;
1550
1551 if (!qemu_opt_has_help_opt(opts)) {
1552 return 0;
1553 }
1554
1555 object_property_iter_init(&iter, OBJECT(machine));
1556 while ((prop = object_property_iter_next(&iter))) {
1557 if (!prop->set) {
1558 continue;
1559 }
1560
1561 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1562 prop->name, prop->type);
1563 if (prop->description) {
1564 error_printf(" (%s)\n", prop->description);
1565 } else {
1566 error_printf("\n");
1567 }
1568 }
1569
1570 return 1;
1571 }
1572
1573 /***********************************************************/
1574 /* main execution loop */
1575
1576 struct vm_change_state_entry {
1577 VMChangeStateHandler *cb;
1578 void *opaque;
1579 QLIST_ENTRY (vm_change_state_entry) entries;
1580 };
1581
1582 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1583
1584 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1585 void *opaque)
1586 {
1587 VMChangeStateEntry *e;
1588
1589 e = g_malloc0(sizeof (*e));
1590
1591 e->cb = cb;
1592 e->opaque = opaque;
1593 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1594 return e;
1595 }
1596
1597 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1598 {
1599 QLIST_REMOVE (e, entries);
1600 g_free (e);
1601 }
1602
1603 void vm_state_notify(int running, RunState state)
1604 {
1605 VMChangeStateEntry *e, *next;
1606
1607 trace_vm_state_notify(running, state);
1608
1609 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1610 e->cb(e->opaque, running, state);
1611 }
1612 }
1613
1614 /* reset/shutdown handler */
1615
1616 typedef struct QEMUResetEntry {
1617 QTAILQ_ENTRY(QEMUResetEntry) entry;
1618 QEMUResetHandler *func;
1619 void *opaque;
1620 } QEMUResetEntry;
1621
1622 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1623 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1624 static int reset_requested;
1625 static int shutdown_requested, shutdown_signal = -1;
1626 static pid_t shutdown_pid;
1627 static int powerdown_requested;
1628 static int debug_requested;
1629 static int suspend_requested;
1630 static WakeupReason wakeup_reason;
1631 static NotifierList powerdown_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1633 static NotifierList suspend_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1635 static NotifierList wakeup_notifiers =
1636 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1637 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1638
1639 int qemu_shutdown_requested_get(void)
1640 {
1641 return shutdown_requested;
1642 }
1643
1644 int qemu_reset_requested_get(void)
1645 {
1646 return reset_requested;
1647 }
1648
1649 static int qemu_shutdown_requested(void)
1650 {
1651 return atomic_xchg(&shutdown_requested, 0);
1652 }
1653
1654 static void qemu_kill_report(void)
1655 {
1656 if (!qtest_driver() && shutdown_signal != -1) {
1657 if (shutdown_pid == 0) {
1658 /* This happens for eg ^C at the terminal, so it's worth
1659 * avoiding printing an odd message in that case.
1660 */
1661 error_report("terminating on signal %d", shutdown_signal);
1662 } else {
1663 error_report("terminating on signal %d from pid " FMT_pid,
1664 shutdown_signal, shutdown_pid);
1665 }
1666 shutdown_signal = -1;
1667 }
1668 }
1669
1670 static int qemu_reset_requested(void)
1671 {
1672 int r = reset_requested;
1673 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1674 reset_requested = 0;
1675 return r;
1676 }
1677 return false;
1678 }
1679
1680 static int qemu_suspend_requested(void)
1681 {
1682 int r = suspend_requested;
1683 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1684 suspend_requested = 0;
1685 return r;
1686 }
1687 return false;
1688 }
1689
1690 static WakeupReason qemu_wakeup_requested(void)
1691 {
1692 return wakeup_reason;
1693 }
1694
1695 static int qemu_powerdown_requested(void)
1696 {
1697 int r = powerdown_requested;
1698 powerdown_requested = 0;
1699 return r;
1700 }
1701
1702 static int qemu_debug_requested(void)
1703 {
1704 int r = debug_requested;
1705 debug_requested = 0;
1706 return r;
1707 }
1708
1709 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1710 {
1711 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1712
1713 re->func = func;
1714 re->opaque = opaque;
1715 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1716 }
1717
1718 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1719 {
1720 QEMUResetEntry *re;
1721
1722 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1723 if (re->func == func && re->opaque == opaque) {
1724 QTAILQ_REMOVE(&reset_handlers, re, entry);
1725 g_free(re);
1726 return;
1727 }
1728 }
1729 }
1730
1731 void qemu_devices_reset(void)
1732 {
1733 QEMUResetEntry *re, *nre;
1734
1735 /* reset all devices */
1736 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1737 re->func(re->opaque);
1738 }
1739 }
1740
1741 void qemu_system_reset(bool report)
1742 {
1743 MachineClass *mc;
1744
1745 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1746
1747 if (mc && mc->reset) {
1748 mc->reset();
1749 } else {
1750 qemu_devices_reset();
1751 }
1752 if (report) {
1753 qapi_event_send_reset(&error_abort);
1754 }
1755 cpu_synchronize_all_post_reset();
1756 }
1757
1758 void qemu_system_guest_panicked(void)
1759 {
1760 if (current_cpu) {
1761 current_cpu->crash_occurred = true;
1762 }
1763 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1764 vm_stop(RUN_STATE_GUEST_PANICKED);
1765 }
1766
1767 void qemu_system_reset_request(void)
1768 {
1769 if (no_reboot) {
1770 shutdown_requested = 1;
1771 } else {
1772 reset_requested = 1;
1773 }
1774 cpu_stop_current();
1775 qemu_notify_event();
1776 }
1777
1778 static void qemu_system_suspend(void)
1779 {
1780 pause_all_vcpus();
1781 notifier_list_notify(&suspend_notifiers, NULL);
1782 runstate_set(RUN_STATE_SUSPENDED);
1783 qapi_event_send_suspend(&error_abort);
1784 }
1785
1786 void qemu_system_suspend_request(void)
1787 {
1788 if (runstate_check(RUN_STATE_SUSPENDED)) {
1789 return;
1790 }
1791 suspend_requested = 1;
1792 cpu_stop_current();
1793 qemu_notify_event();
1794 }
1795
1796 void qemu_register_suspend_notifier(Notifier *notifier)
1797 {
1798 notifier_list_add(&suspend_notifiers, notifier);
1799 }
1800
1801 void qemu_system_wakeup_request(WakeupReason reason)
1802 {
1803 trace_system_wakeup_request(reason);
1804
1805 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1806 return;
1807 }
1808 if (!(wakeup_reason_mask & (1 << reason))) {
1809 return;
1810 }
1811 runstate_set(RUN_STATE_RUNNING);
1812 wakeup_reason = reason;
1813 qemu_notify_event();
1814 }
1815
1816 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1817 {
1818 if (enabled) {
1819 wakeup_reason_mask |= (1 << reason);
1820 } else {
1821 wakeup_reason_mask &= ~(1 << reason);
1822 }
1823 }
1824
1825 void qemu_register_wakeup_notifier(Notifier *notifier)
1826 {
1827 notifier_list_add(&wakeup_notifiers, notifier);
1828 }
1829
1830 void qemu_system_killed(int signal, pid_t pid)
1831 {
1832 shutdown_signal = signal;
1833 shutdown_pid = pid;
1834 no_shutdown = 0;
1835
1836 /* Cannot call qemu_system_shutdown_request directly because
1837 * we are in a signal handler.
1838 */
1839 shutdown_requested = 1;
1840 qemu_notify_event();
1841 }
1842
1843 void qemu_system_shutdown_request(void)
1844 {
1845 trace_qemu_system_shutdown_request();
1846 replay_shutdown_request();
1847 shutdown_requested = 1;
1848 qemu_notify_event();
1849 }
1850
1851 static void qemu_system_powerdown(void)
1852 {
1853 qapi_event_send_powerdown(&error_abort);
1854 notifier_list_notify(&powerdown_notifiers, NULL);
1855 }
1856
1857 void qemu_system_powerdown_request(void)
1858 {
1859 trace_qemu_system_powerdown_request();
1860 powerdown_requested = 1;
1861 qemu_notify_event();
1862 }
1863
1864 void qemu_register_powerdown_notifier(Notifier *notifier)
1865 {
1866 notifier_list_add(&powerdown_notifiers, notifier);
1867 }
1868
1869 void qemu_system_debug_request(void)
1870 {
1871 debug_requested = 1;
1872 qemu_notify_event();
1873 }
1874
1875 static bool main_loop_should_exit(void)
1876 {
1877 RunState r;
1878 if (qemu_debug_requested()) {
1879 vm_stop(RUN_STATE_DEBUG);
1880 }
1881 if (qemu_suspend_requested()) {
1882 qemu_system_suspend();
1883 }
1884 if (qemu_shutdown_requested()) {
1885 qemu_kill_report();
1886 qapi_event_send_shutdown(&error_abort);
1887 if (no_shutdown) {
1888 vm_stop(RUN_STATE_SHUTDOWN);
1889 } else {
1890 return true;
1891 }
1892 }
1893 if (qemu_reset_requested()) {
1894 pause_all_vcpus();
1895 cpu_synchronize_all_states();
1896 qemu_system_reset(VMRESET_REPORT);
1897 resume_all_vcpus();
1898 if (!runstate_check(RUN_STATE_RUNNING) &&
1899 !runstate_check(RUN_STATE_INMIGRATE)) {
1900 runstate_set(RUN_STATE_PRELAUNCH);
1901 }
1902 }
1903 if (qemu_wakeup_requested()) {
1904 pause_all_vcpus();
1905 cpu_synchronize_all_states();
1906 qemu_system_reset(VMRESET_SILENT);
1907 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1908 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1909 resume_all_vcpus();
1910 qapi_event_send_wakeup(&error_abort);
1911 }
1912 if (qemu_powerdown_requested()) {
1913 qemu_system_powerdown();
1914 }
1915 if (qemu_vmstop_requested(&r)) {
1916 vm_stop(r);
1917 }
1918 return false;
1919 }
1920
1921 static void main_loop(void)
1922 {
1923 bool nonblocking;
1924 int last_io = 0;
1925 #ifdef CONFIG_PROFILER
1926 int64_t ti;
1927 #endif
1928 do {
1929 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1930 #ifdef CONFIG_PROFILER
1931 ti = profile_getclock();
1932 #endif
1933 last_io = main_loop_wait(nonblocking);
1934 #ifdef CONFIG_PROFILER
1935 dev_time += profile_getclock() - ti;
1936 #endif
1937 } while (!main_loop_should_exit());
1938 }
1939
1940 static void version(void)
1941 {
1942 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1943 }
1944
1945 static void help(int exitcode)
1946 {
1947 version();
1948 printf("usage: %s [options] [disk_image]\n\n"
1949 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1950 error_get_progname());
1951
1952 #define QEMU_OPTIONS_GENERATE_HELP
1953 #include "qemu-options-wrapper.h"
1954
1955 printf("\nDuring emulation, the following keys are useful:\n"
1956 "ctrl-alt-f toggle full screen\n"
1957 "ctrl-alt-n switch to virtual console 'n'\n"
1958 "ctrl-alt toggle mouse and keyboard grab\n"
1959 "\n"
1960 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1961
1962 exit(exitcode);
1963 }
1964
1965 #define HAS_ARG 0x0001
1966
1967 typedef struct QEMUOption {
1968 const char *name;
1969 int flags;
1970 int index;
1971 uint32_t arch_mask;
1972 } QEMUOption;
1973
1974 static const QEMUOption qemu_options[] = {
1975 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1976 #define QEMU_OPTIONS_GENERATE_OPTIONS
1977 #include "qemu-options-wrapper.h"
1978 { NULL },
1979 };
1980
1981 static bool vga_available(void)
1982 {
1983 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1984 }
1985
1986 static bool cirrus_vga_available(void)
1987 {
1988 return object_class_by_name("cirrus-vga")
1989 || object_class_by_name("isa-cirrus-vga");
1990 }
1991
1992 static bool vmware_vga_available(void)
1993 {
1994 return object_class_by_name("vmware-svga");
1995 }
1996
1997 static bool qxl_vga_available(void)
1998 {
1999 return object_class_by_name("qxl-vga");
2000 }
2001
2002 static bool tcx_vga_available(void)
2003 {
2004 return object_class_by_name("SUNW,tcx");
2005 }
2006
2007 static bool cg3_vga_available(void)
2008 {
2009 return object_class_by_name("cgthree");
2010 }
2011
2012 static bool virtio_vga_available(void)
2013 {
2014 return object_class_by_name("virtio-vga");
2015 }
2016
2017 static void select_vgahw (const char *p)
2018 {
2019 const char *opts;
2020
2021 assert(vga_interface_type == VGA_NONE);
2022 if (strstart(p, "std", &opts)) {
2023 if (vga_available()) {
2024 vga_interface_type = VGA_STD;
2025 } else {
2026 error_report("standard VGA not available");
2027 exit(0);
2028 }
2029 } else if (strstart(p, "cirrus", &opts)) {
2030 if (cirrus_vga_available()) {
2031 vga_interface_type = VGA_CIRRUS;
2032 } else {
2033 error_report("Cirrus VGA not available");
2034 exit(0);
2035 }
2036 } else if (strstart(p, "vmware", &opts)) {
2037 if (vmware_vga_available()) {
2038 vga_interface_type = VGA_VMWARE;
2039 } else {
2040 error_report("VMWare SVGA not available");
2041 exit(0);
2042 }
2043 } else if (strstart(p, "virtio", &opts)) {
2044 if (virtio_vga_available()) {
2045 vga_interface_type = VGA_VIRTIO;
2046 } else {
2047 error_report("Virtio VGA not available");
2048 exit(0);
2049 }
2050 } else if (strstart(p, "xenfb", &opts)) {
2051 vga_interface_type = VGA_XENFB;
2052 } else if (strstart(p, "qxl", &opts)) {
2053 if (qxl_vga_available()) {
2054 vga_interface_type = VGA_QXL;
2055 } else {
2056 error_report("QXL VGA not available");
2057 exit(0);
2058 }
2059 } else if (strstart(p, "tcx", &opts)) {
2060 if (tcx_vga_available()) {
2061 vga_interface_type = VGA_TCX;
2062 } else {
2063 error_report("TCX framebuffer not available");
2064 exit(0);
2065 }
2066 } else if (strstart(p, "cg3", &opts)) {
2067 if (cg3_vga_available()) {
2068 vga_interface_type = VGA_CG3;
2069 } else {
2070 error_report("CG3 framebuffer not available");
2071 exit(0);
2072 }
2073 } else if (!strstart(p, "none", &opts)) {
2074 invalid_vga:
2075 error_report("unknown vga type: %s", p);
2076 exit(1);
2077 }
2078 while (*opts) {
2079 const char *nextopt;
2080
2081 if (strstart(opts, ",retrace=", &nextopt)) {
2082 opts = nextopt;
2083 if (strstart(opts, "dumb", &nextopt))
2084 vga_retrace_method = VGA_RETRACE_DUMB;
2085 else if (strstart(opts, "precise", &nextopt))
2086 vga_retrace_method = VGA_RETRACE_PRECISE;
2087 else goto invalid_vga;
2088 } else goto invalid_vga;
2089 opts = nextopt;
2090 }
2091 }
2092
2093 static DisplayType select_display(const char *p)
2094 {
2095 const char *opts;
2096 DisplayType display = DT_DEFAULT;
2097
2098 if (strstart(p, "sdl", &opts)) {
2099 #ifdef CONFIG_SDL
2100 display = DT_SDL;
2101 while (*opts) {
2102 const char *nextopt;
2103
2104 if (strstart(opts, ",frame=", &nextopt)) {
2105 opts = nextopt;
2106 if (strstart(opts, "on", &nextopt)) {
2107 no_frame = 0;
2108 } else if (strstart(opts, "off", &nextopt)) {
2109 no_frame = 1;
2110 } else {
2111 goto invalid_sdl_args;
2112 }
2113 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2114 opts = nextopt;
2115 if (strstart(opts, "on", &nextopt)) {
2116 alt_grab = 1;
2117 } else if (strstart(opts, "off", &nextopt)) {
2118 alt_grab = 0;
2119 } else {
2120 goto invalid_sdl_args;
2121 }
2122 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2123 opts = nextopt;
2124 if (strstart(opts, "on", &nextopt)) {
2125 ctrl_grab = 1;
2126 } else if (strstart(opts, "off", &nextopt)) {
2127 ctrl_grab = 0;
2128 } else {
2129 goto invalid_sdl_args;
2130 }
2131 } else if (strstart(opts, ",window_close=", &nextopt)) {
2132 opts = nextopt;
2133 if (strstart(opts, "on", &nextopt)) {
2134 no_quit = 0;
2135 } else if (strstart(opts, "off", &nextopt)) {
2136 no_quit = 1;
2137 } else {
2138 goto invalid_sdl_args;
2139 }
2140 } else if (strstart(opts, ",gl=", &nextopt)) {
2141 opts = nextopt;
2142 if (strstart(opts, "on", &nextopt)) {
2143 request_opengl = 1;
2144 } else if (strstart(opts, "off", &nextopt)) {
2145 request_opengl = 0;
2146 } else {
2147 goto invalid_sdl_args;
2148 }
2149 } else {
2150 invalid_sdl_args:
2151 error_report("invalid SDL option string");
2152 exit(1);
2153 }
2154 opts = nextopt;
2155 }
2156 #else
2157 error_report("SDL support is disabled");
2158 exit(1);
2159 #endif
2160 } else if (strstart(p, "vnc", &opts)) {
2161 #ifdef CONFIG_VNC
2162 if (*opts == '=') {
2163 Error *err = NULL;
2164 if (vnc_parse(opts + 1, &err) == NULL) {
2165 error_report_err(err);
2166 exit(1);
2167 }
2168 } else {
2169 error_report("VNC requires a display argument vnc=<display>");
2170 exit(1);
2171 }
2172 #else
2173 error_report("VNC support is disabled");
2174 exit(1);
2175 #endif
2176 } else if (strstart(p, "curses", &opts)) {
2177 #ifdef CONFIG_CURSES
2178 display = DT_CURSES;
2179 #else
2180 error_report("curses support is disabled");
2181 exit(1);
2182 #endif
2183 } else if (strstart(p, "gtk", &opts)) {
2184 #ifdef CONFIG_GTK
2185 display = DT_GTK;
2186 while (*opts) {
2187 const char *nextopt;
2188
2189 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2190 opts = nextopt;
2191 if (strstart(opts, "on", &nextopt)) {
2192 grab_on_hover = true;
2193 } else if (strstart(opts, "off", &nextopt)) {
2194 grab_on_hover = false;
2195 } else {
2196 goto invalid_gtk_args;
2197 }
2198 } else if (strstart(opts, ",gl=", &nextopt)) {
2199 opts = nextopt;
2200 if (strstart(opts, "on", &nextopt)) {
2201 request_opengl = 1;
2202 } else if (strstart(opts, "off", &nextopt)) {
2203 request_opengl = 0;
2204 } else {
2205 goto invalid_gtk_args;
2206 }
2207 } else {
2208 invalid_gtk_args:
2209 error_report("invalid GTK option string");
2210 exit(1);
2211 }
2212 opts = nextopt;
2213 }
2214 #else
2215 error_report("GTK support is disabled");
2216 exit(1);
2217 #endif
2218 } else if (strstart(p, "none", &opts)) {
2219 display = DT_NONE;
2220 } else {
2221 error_report("unknown display type");
2222 exit(1);
2223 }
2224
2225 return display;
2226 }
2227
2228 static int balloon_parse(const char *arg)
2229 {
2230 QemuOpts *opts;
2231
2232 if (strcmp(arg, "none") == 0) {
2233 return 0;
2234 }
2235
2236 if (!strncmp(arg, "virtio", 6)) {
2237 if (arg[6] == ',') {
2238 /* have params -> parse them */
2239 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2240 false);
2241 if (!opts)
2242 return -1;
2243 } else {
2244 /* create empty opts */
2245 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2246 &error_abort);
2247 }
2248 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2249 return 0;
2250 }
2251
2252 return -1;
2253 }
2254
2255 char *qemu_find_file(int type, const char *name)
2256 {
2257 int i;
2258 const char *subdir;
2259 char *buf;
2260
2261 /* Try the name as a straight path first */
2262 if (access(name, R_OK) == 0) {
2263 trace_load_file(name, name);
2264 return g_strdup(name);
2265 }
2266
2267 switch (type) {
2268 case QEMU_FILE_TYPE_BIOS:
2269 subdir = "";
2270 break;
2271 case QEMU_FILE_TYPE_KEYMAP:
2272 subdir = "keymaps/";
2273 break;
2274 default:
2275 abort();
2276 }
2277
2278 for (i = 0; i < data_dir_idx; i++) {
2279 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2280 if (access(buf, R_OK) == 0) {
2281 trace_load_file(name, buf);
2282 return buf;
2283 }
2284 g_free(buf);
2285 }
2286 return NULL;
2287 }
2288
2289 static inline bool nonempty_str(const char *str)
2290 {
2291 return str && *str;
2292 }
2293
2294 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2295 {
2296 gchar *buf;
2297 size_t size;
2298 const char *name, *file, *str;
2299
2300 if (opaque == NULL) {
2301 error_report("fw_cfg device not available");
2302 return -1;
2303 }
2304 name = qemu_opt_get(opts, "name");
2305 file = qemu_opt_get(opts, "file");
2306 str = qemu_opt_get(opts, "string");
2307
2308 /* we need name and either a file or the content string */
2309 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2310 error_report("invalid argument(s)");
2311 return -1;
2312 }
2313 if (nonempty_str(file) && nonempty_str(str)) {
2314 error_report("file and string are mutually exclusive");
2315 return -1;
2316 }
2317 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2318 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2319 return -1;
2320 }
2321 if (strncmp(name, "opt/", 4) != 0) {
2322 error_report("warning: externally provided fw_cfg item names "
2323 "should be prefixed with \"opt/\"");
2324 }
2325 if (nonempty_str(str)) {
2326 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2327 buf = g_memdup(str, size);
2328 } else {
2329 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2330 error_report("can't load %s", file);
2331 return -1;
2332 }
2333 }
2334 fw_cfg_add_file((FWCfgState *)opaque, name, buf, size);
2335 return 0;
2336 }
2337
2338 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2339 {
2340 return qdev_device_help(opts);
2341 }
2342
2343 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2344 {
2345 Error *err = NULL;
2346 DeviceState *dev;
2347
2348 dev = qdev_device_add(opts, &err);
2349 if (!dev) {
2350 error_report_err(err);
2351 return -1;
2352 }
2353 object_unref(OBJECT(dev));
2354 return 0;
2355 }
2356
2357 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 Error *local_err = NULL;
2360
2361 qemu_chr_new_from_opts(opts, NULL, &local_err);
2362 if (local_err) {
2363 error_report_err(local_err);
2364 return -1;
2365 }
2366 return 0;
2367 }
2368
2369 #ifdef CONFIG_VIRTFS
2370 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2371 {
2372 int ret;
2373 ret = qemu_fsdev_add(opts);
2374
2375 return ret;
2376 }
2377 #endif
2378
2379 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2380 {
2381 CharDriverState *chr;
2382 const char *chardev;
2383 const char *mode;
2384 int flags;
2385
2386 mode = qemu_opt_get(opts, "mode");
2387 if (mode == NULL) {
2388 mode = "readline";
2389 }
2390 if (strcmp(mode, "readline") == 0) {
2391 flags = MONITOR_USE_READLINE;
2392 } else if (strcmp(mode, "control") == 0) {
2393 flags = MONITOR_USE_CONTROL;
2394 } else {
2395 error_report("unknown monitor mode \"%s\"", mode);
2396 exit(1);
2397 }
2398
2399 if (qemu_opt_get_bool(opts, "pretty", 0))
2400 flags |= MONITOR_USE_PRETTY;
2401
2402 if (qemu_opt_get_bool(opts, "default", 0))
2403 flags |= MONITOR_IS_DEFAULT;
2404
2405 chardev = qemu_opt_get(opts, "chardev");
2406 chr = qemu_chr_find(chardev);
2407 if (chr == NULL) {
2408 error_report("chardev \"%s\" not found", chardev);
2409 exit(1);
2410 }
2411
2412 qemu_chr_fe_claim_no_fail(chr);
2413 monitor_init(chr, flags);
2414 return 0;
2415 }
2416
2417 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2418 {
2419 static int monitor_device_index = 0;
2420 Error *local_err = NULL;
2421 QemuOpts *opts;
2422 const char *p;
2423 char label[32];
2424 int def = 0;
2425
2426 if (strstart(optarg, "chardev:", &p)) {
2427 snprintf(label, sizeof(label), "%s", p);
2428 } else {
2429 snprintf(label, sizeof(label), "compat_monitor%d",
2430 monitor_device_index);
2431 if (monitor_device_index == 0) {
2432 def = 1;
2433 }
2434 opts = qemu_chr_parse_compat(label, optarg);
2435 if (!opts) {
2436 error_report("parse error: %s", optarg);
2437 exit(1);
2438 }
2439 }
2440
2441 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2442 if (!opts) {
2443 error_report_err(local_err);
2444 exit(1);
2445 }
2446 qemu_opt_set(opts, "mode", mode, &error_abort);
2447 qemu_opt_set(opts, "chardev", label, &error_abort);
2448 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2449 if (def)
2450 qemu_opt_set(opts, "default", "on", &error_abort);
2451 monitor_device_index++;
2452 }
2453
2454 struct device_config {
2455 enum {
2456 DEV_USB, /* -usbdevice */
2457 DEV_BT, /* -bt */
2458 DEV_SERIAL, /* -serial */
2459 DEV_PARALLEL, /* -parallel */
2460 DEV_VIRTCON, /* -virtioconsole */
2461 DEV_DEBUGCON, /* -debugcon */
2462 DEV_GDB, /* -gdb, -s */
2463 DEV_SCLP, /* s390 sclp */
2464 } type;
2465 const char *cmdline;
2466 Location loc;
2467 QTAILQ_ENTRY(device_config) next;
2468 };
2469
2470 static QTAILQ_HEAD(, device_config) device_configs =
2471 QTAILQ_HEAD_INITIALIZER(device_configs);
2472
2473 static void add_device_config(int type, const char *cmdline)
2474 {
2475 struct device_config *conf;
2476
2477 conf = g_malloc0(sizeof(*conf));
2478 conf->type = type;
2479 conf->cmdline = cmdline;
2480 loc_save(&conf->loc);
2481 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2482 }
2483
2484 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2485 {
2486 struct device_config *conf;
2487 int rc;
2488
2489 QTAILQ_FOREACH(conf, &device_configs, next) {
2490 if (conf->type != type)
2491 continue;
2492 loc_push_restore(&conf->loc);
2493 rc = func(conf->cmdline);
2494 loc_pop(&conf->loc);
2495 if (rc) {
2496 return rc;
2497 }
2498 }
2499 return 0;
2500 }
2501
2502 static int serial_parse(const char *devname)
2503 {
2504 static int index = 0;
2505 char label[32];
2506
2507 if (strcmp(devname, "none") == 0)
2508 return 0;
2509 if (index == MAX_SERIAL_PORTS) {
2510 error_report("too many serial ports");
2511 exit(1);
2512 }
2513 snprintf(label, sizeof(label), "serial%d", index);
2514 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2515 if (!serial_hds[index]) {
2516 error_report("could not connect serial device"
2517 " to character backend '%s'", devname);
2518 return -1;
2519 }
2520 index++;
2521 return 0;
2522 }
2523
2524 static int parallel_parse(const char *devname)
2525 {
2526 static int index = 0;
2527 char label[32];
2528
2529 if (strcmp(devname, "none") == 0)
2530 return 0;
2531 if (index == MAX_PARALLEL_PORTS) {
2532 error_report("too many parallel ports");
2533 exit(1);
2534 }
2535 snprintf(label, sizeof(label), "parallel%d", index);
2536 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2537 if (!parallel_hds[index]) {
2538 error_report("could not connect parallel device"
2539 " to character backend '%s'", devname);
2540 return -1;
2541 }
2542 index++;
2543 return 0;
2544 }
2545
2546 static int virtcon_parse(const char *devname)
2547 {
2548 QemuOptsList *device = qemu_find_opts("device");
2549 static int index = 0;
2550 char label[32];
2551 QemuOpts *bus_opts, *dev_opts;
2552
2553 if (strcmp(devname, "none") == 0)
2554 return 0;
2555 if (index == MAX_VIRTIO_CONSOLES) {
2556 error_report("too many virtio consoles");
2557 exit(1);
2558 }
2559
2560 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2561 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2562
2563 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2564 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2565
2566 snprintf(label, sizeof(label), "virtcon%d", index);
2567 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2568 if (!virtcon_hds[index]) {
2569 error_report("could not connect virtio console"
2570 " to character backend '%s'", devname);
2571 return -1;
2572 }
2573 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2574
2575 index++;
2576 return 0;
2577 }
2578
2579 static int sclp_parse(const char *devname)
2580 {
2581 QemuOptsList *device = qemu_find_opts("device");
2582 static int index = 0;
2583 char label[32];
2584 QemuOpts *dev_opts;
2585
2586 if (strcmp(devname, "none") == 0) {
2587 return 0;
2588 }
2589 if (index == MAX_SCLP_CONSOLES) {
2590 error_report("too many sclp consoles");
2591 exit(1);
2592 }
2593
2594 assert(arch_type == QEMU_ARCH_S390X);
2595
2596 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2597 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2598
2599 snprintf(label, sizeof(label), "sclpcon%d", index);
2600 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2601 if (!sclp_hds[index]) {
2602 error_report("could not connect sclp console"
2603 " to character backend '%s'", devname);
2604 return -1;
2605 }
2606 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2607
2608 index++;
2609 return 0;
2610 }
2611
2612 static int debugcon_parse(const char *devname)
2613 {
2614 QemuOpts *opts;
2615
2616 if (!qemu_chr_new("debugcon", devname, NULL)) {
2617 exit(1);
2618 }
2619 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2620 if (!opts) {
2621 error_report("already have a debugcon device");
2622 exit(1);
2623 }
2624 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2625 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2626 return 0;
2627 }
2628
2629 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2630 {
2631 const MachineClass *mc1 = a, *mc2 = b;
2632 int res;
2633
2634 if (mc1->family == NULL) {
2635 if (mc2->family == NULL) {
2636 /* Compare standalone machine types against each other; they sort
2637 * in increasing order.
2638 */
2639 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2640 object_class_get_name(OBJECT_CLASS(mc2)));
2641 }
2642
2643 /* Standalone machine types sort after families. */
2644 return 1;
2645 }
2646
2647 if (mc2->family == NULL) {
2648 /* Families sort before standalone machine types. */
2649 return -1;
2650 }
2651
2652 /* Families sort between each other alphabetically increasingly. */
2653 res = strcmp(mc1->family, mc2->family);
2654 if (res != 0) {
2655 return res;
2656 }
2657
2658 /* Within the same family, machine types sort in decreasing order. */
2659 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2660 object_class_get_name(OBJECT_CLASS(mc1)));
2661 }
2662
2663 static MachineClass *machine_parse(const char *name)
2664 {
2665 MachineClass *mc = NULL;
2666 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2667
2668 if (name) {
2669 mc = find_machine(name);
2670 }
2671 if (mc) {
2672 g_slist_free(machines);
2673 return mc;
2674 }
2675 if (name && !is_help_option(name)) {
2676 error_report("unsupported machine type");
2677 error_printf("Use -machine help to list supported machines\n");
2678 } else {
2679 printf("Supported machines are:\n");
2680 machines = g_slist_sort(machines, machine_class_cmp);
2681 for (el = machines; el; el = el->next) {
2682 MachineClass *mc = el->data;
2683 if (mc->alias) {
2684 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2685 }
2686 printf("%-20s %s%s\n", mc->name, mc->desc,
2687 mc->is_default ? " (default)" : "");
2688 }
2689 }
2690
2691 g_slist_free(machines);
2692 exit(!name || !is_help_option(name));
2693 }
2694
2695 void qemu_add_exit_notifier(Notifier *notify)
2696 {
2697 notifier_list_add(&exit_notifiers, notify);
2698 }
2699
2700 void qemu_remove_exit_notifier(Notifier *notify)
2701 {
2702 notifier_remove(notify);
2703 }
2704
2705 static void qemu_run_exit_notifiers(void)
2706 {
2707 notifier_list_notify(&exit_notifiers, NULL);
2708 }
2709
2710 static bool machine_init_done;
2711
2712 void qemu_add_machine_init_done_notifier(Notifier *notify)
2713 {
2714 notifier_list_add(&machine_init_done_notifiers, notify);
2715 if (machine_init_done) {
2716 notify->notify(notify, NULL);
2717 }
2718 }
2719
2720 static void qemu_run_machine_init_done_notifiers(void)
2721 {
2722 notifier_list_notify(&machine_init_done_notifiers, NULL);
2723 machine_init_done = true;
2724 }
2725
2726 static const QEMUOption *lookup_opt(int argc, char **argv,
2727 const char **poptarg, int *poptind)
2728 {
2729 const QEMUOption *popt;
2730 int optind = *poptind;
2731 char *r = argv[optind];
2732 const char *optarg;
2733
2734 loc_set_cmdline(argv, optind, 1);
2735 optind++;
2736 /* Treat --foo the same as -foo. */
2737 if (r[1] == '-')
2738 r++;
2739 popt = qemu_options;
2740 for(;;) {
2741 if (!popt->name) {
2742 error_report("invalid option");
2743 exit(1);
2744 }
2745 if (!strcmp(popt->name, r + 1))
2746 break;
2747 popt++;
2748 }
2749 if (popt->flags & HAS_ARG) {
2750 if (optind >= argc) {
2751 error_report("requires an argument");
2752 exit(1);
2753 }
2754 optarg = argv[optind++];
2755 loc_set_cmdline(argv, optind - 2, 2);
2756 } else {
2757 optarg = NULL;
2758 }
2759
2760 *poptarg = optarg;
2761 *poptind = optind;
2762
2763 return popt;
2764 }
2765
2766 static MachineClass *select_machine(void)
2767 {
2768 MachineClass *machine_class = find_default_machine();
2769 const char *optarg;
2770 QemuOpts *opts;
2771 Location loc;
2772
2773 loc_push_none(&loc);
2774
2775 opts = qemu_get_machine_opts();
2776 qemu_opts_loc_restore(opts);
2777
2778 optarg = qemu_opt_get(opts, "type");
2779 if (optarg) {
2780 machine_class = machine_parse(optarg);
2781 }
2782
2783 if (!machine_class) {
2784 error_report("No machine specified, and there is no default");
2785 error_printf("Use -machine help to list supported machines\n");
2786 exit(1);
2787 }
2788
2789 loc_pop(&loc);
2790 return machine_class;
2791 }
2792
2793 static int machine_set_property(void *opaque,
2794 const char *name, const char *value,
2795 Error **errp)
2796 {
2797 Object *obj = OBJECT(opaque);
2798 Error *local_err = NULL;
2799 char *c, *qom_name;
2800
2801 if (strcmp(name, "type") == 0) {
2802 return 0;
2803 }
2804
2805 qom_name = g_strdup(name);
2806 c = qom_name;
2807 while (*c++) {
2808 if (*c == '_') {
2809 *c = '-';
2810 }
2811 }
2812
2813 object_property_parse(obj, value, qom_name, &local_err);
2814 g_free(qom_name);
2815
2816 if (local_err) {
2817 error_report_err(local_err);
2818 return -1;
2819 }
2820
2821 return 0;
2822 }
2823
2824
2825 /*
2826 * Initial object creation happens before all other
2827 * QEMU data types are created. The majority of objects
2828 * can be created at this point. The rng-egd object
2829 * cannot be created here, as it depends on the chardev
2830 * already existing.
2831 */
2832 static bool object_create_initial(const char *type)
2833 {
2834 if (g_str_equal(type, "rng-egd")) {
2835 return false;
2836 }
2837
2838 /*
2839 * return false for concrete netfilters since
2840 * they depend on netdevs already existing
2841 */
2842 if (g_str_equal(type, "filter-buffer") ||
2843 g_str_equal(type, "filter-dump")) {
2844 return false;
2845 }
2846
2847 return true;
2848 }
2849
2850
2851 /*
2852 * The remainder of object creation happens after the
2853 * creation of chardev, fsdev, net clients and device data types.
2854 */
2855 static bool object_create_delayed(const char *type)
2856 {
2857 return !object_create_initial(type);
2858 }
2859
2860
2861 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2862 MachineClass *mc)
2863 {
2864 uint64_t sz;
2865 const char *mem_str;
2866 const char *maxmem_str, *slots_str;
2867 const ram_addr_t default_ram_size = mc->default_ram_size;
2868 QemuOpts *opts = qemu_find_opts_singleton("memory");
2869 Location loc;
2870
2871 loc_push_none(&loc);
2872 qemu_opts_loc_restore(opts);
2873
2874 sz = 0;
2875 mem_str = qemu_opt_get(opts, "size");
2876 if (mem_str) {
2877 if (!*mem_str) {
2878 error_report("missing 'size' option value");
2879 exit(EXIT_FAILURE);
2880 }
2881
2882 sz = qemu_opt_get_size(opts, "size", ram_size);
2883
2884 /* Fix up legacy suffix-less format */
2885 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2886 uint64_t overflow_check = sz;
2887
2888 sz <<= 20;
2889 if ((sz >> 20) != overflow_check) {
2890 error_report("too large 'size' option value");
2891 exit(EXIT_FAILURE);
2892 }
2893 }
2894 }
2895
2896 /* backward compatibility behaviour for case "-m 0" */
2897 if (sz == 0) {
2898 sz = default_ram_size;
2899 }
2900
2901 sz = QEMU_ALIGN_UP(sz, 8192);
2902 ram_size = sz;
2903 if (ram_size != sz) {
2904 error_report("ram size too large");
2905 exit(EXIT_FAILURE);
2906 }
2907
2908 /* store value for the future use */
2909 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2910 *maxram_size = ram_size;
2911
2912 maxmem_str = qemu_opt_get(opts, "maxmem");
2913 slots_str = qemu_opt_get(opts, "slots");
2914 if (maxmem_str && slots_str) {
2915 uint64_t slots;
2916
2917 sz = qemu_opt_get_size(opts, "maxmem", 0);
2918 slots = qemu_opt_get_number(opts, "slots", 0);
2919 if (sz < ram_size) {
2920 error_report("invalid value of -m option maxmem: "
2921 "maximum memory size (0x%" PRIx64 ") must be at least "
2922 "the initial memory size (0x" RAM_ADDR_FMT ")",
2923 sz, ram_size);
2924 exit(EXIT_FAILURE);
2925 } else if (sz > ram_size) {
2926 if (!slots) {
2927 error_report("invalid value of -m option: maxmem was "
2928 "specified, but no hotplug slots were specified");
2929 exit(EXIT_FAILURE);
2930 }
2931 } else if (slots) {
2932 error_report("invalid value of -m option maxmem: "
2933 "memory slots were specified but maximum memory size "
2934 "(0x%" PRIx64 ") is equal to the initial memory size "
2935 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2936 exit(EXIT_FAILURE);
2937 }
2938
2939 *maxram_size = sz;
2940 *ram_slots = slots;
2941 } else if ((!maxmem_str && slots_str) ||
2942 (maxmem_str && !slots_str)) {
2943 error_report("invalid -m option value: missing "
2944 "'%s' option", slots_str ? "maxmem" : "slots");
2945 exit(EXIT_FAILURE);
2946 }
2947
2948 loc_pop(&loc);
2949 }
2950
2951 int main(int argc, char **argv, char **envp)
2952 {
2953 int i;
2954 int snapshot, linux_boot;
2955 const char *initrd_filename;
2956 const char *kernel_filename, *kernel_cmdline;
2957 const char *boot_order = NULL;
2958 const char *boot_once = NULL;
2959 DisplayState *ds;
2960 int cyls, heads, secs, translation;
2961 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2962 QemuOptsList *olist;
2963 int optind;
2964 const char *optarg;
2965 const char *loadvm = NULL;
2966 MachineClass *machine_class;
2967 const char *cpu_model;
2968 const char *vga_model = NULL;
2969 const char *qtest_chrdev = NULL;
2970 const char *qtest_log = NULL;
2971 const char *pid_file = NULL;
2972 const char *incoming = NULL;
2973 #ifdef CONFIG_VNC
2974 int show_vnc_port = 0;
2975 #endif
2976 bool defconfig = true;
2977 bool userconfig = true;
2978 const char *log_mask = NULL;
2979 const char *log_file = NULL;
2980 char *trace_file = NULL;
2981 ram_addr_t maxram_size;
2982 uint64_t ram_slots = 0;
2983 FILE *vmstate_dump_file = NULL;
2984 Error *main_loop_err = NULL;
2985 Error *err = NULL;
2986
2987 qemu_init_cpu_loop();
2988 qemu_mutex_lock_iothread();
2989
2990 atexit(qemu_run_exit_notifiers);
2991 error_set_progname(argv[0]);
2992 qemu_init_exec_dir(argv[0]);
2993
2994 module_call_init(MODULE_INIT_QOM);
2995
2996 qemu_add_opts(&qemu_drive_opts);
2997 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2998 qemu_add_drive_opts(&qemu_common_drive_opts);
2999 qemu_add_drive_opts(&qemu_drive_opts);
3000 qemu_add_opts(&qemu_chardev_opts);
3001 qemu_add_opts(&qemu_device_opts);
3002 qemu_add_opts(&qemu_netdev_opts);
3003 qemu_add_opts(&qemu_net_opts);
3004 qemu_add_opts(&qemu_rtc_opts);
3005 qemu_add_opts(&qemu_global_opts);
3006 qemu_add_opts(&qemu_mon_opts);
3007 qemu_add_opts(&qemu_trace_opts);
3008 qemu_add_opts(&qemu_option_rom_opts);
3009 qemu_add_opts(&qemu_machine_opts);
3010 qemu_add_opts(&qemu_mem_opts);
3011 qemu_add_opts(&qemu_smp_opts);
3012 qemu_add_opts(&qemu_boot_opts);
3013 qemu_add_opts(&qemu_sandbox_opts);
3014 qemu_add_opts(&qemu_add_fd_opts);
3015 qemu_add_opts(&qemu_object_opts);
3016 qemu_add_opts(&qemu_tpmdev_opts);
3017 qemu_add_opts(&qemu_realtime_opts);
3018 qemu_add_opts(&qemu_msg_opts);
3019 qemu_add_opts(&qemu_name_opts);
3020 qemu_add_opts(&qemu_numa_opts);
3021 qemu_add_opts(&qemu_icount_opts);
3022 qemu_add_opts(&qemu_semihosting_config_opts);
3023 qemu_add_opts(&qemu_fw_cfg_opts);
3024 module_call_init(MODULE_INIT_OPTS);
3025
3026 runstate_init();
3027
3028 if (qcrypto_init(&err) < 0) {
3029 error_reportf_err(err, "cannot initialize crypto: ");
3030 exit(1);
3031 }
3032 rtc_clock = QEMU_CLOCK_HOST;
3033
3034 QLIST_INIT (&vm_change_state_head);
3035 os_setup_early_signal_handling();
3036
3037 cpu_model = NULL;
3038 snapshot = 0;
3039 cyls = heads = secs = 0;
3040 translation = BIOS_ATA_TRANSLATION_AUTO;
3041
3042 nb_nics = 0;
3043
3044 bdrv_init_with_whitelist();
3045
3046 autostart = 1;
3047
3048 /* first pass of option parsing */
3049 optind = 1;
3050 while (optind < argc) {
3051 if (argv[optind][0] != '-') {
3052 /* disk image */
3053 optind++;
3054 } else {
3055 const QEMUOption *popt;
3056
3057 popt = lookup_opt(argc, argv, &optarg, &optind);
3058 switch (popt->index) {
3059 case QEMU_OPTION_nodefconfig:
3060 defconfig = false;
3061 break;
3062 case QEMU_OPTION_nouserconfig:
3063 userconfig = false;
3064 break;
3065 }
3066 }
3067 }
3068
3069 if (defconfig) {
3070 int ret;
3071 ret = qemu_read_default_config_files(userconfig);
3072 if (ret < 0) {
3073 exit(1);
3074 }
3075 }
3076
3077 /* second pass of option parsing */
3078 optind = 1;
3079 for(;;) {
3080 if (optind >= argc)
3081 break;
3082 if (argv[optind][0] != '-') {
3083 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3084 } else {
3085 const QEMUOption *popt;
3086
3087 popt = lookup_opt(argc, argv, &optarg, &optind);
3088 if (!(popt->arch_mask & arch_type)) {
3089 printf("Option %s not supported for this target\n", popt->name);
3090 exit(1);
3091 }
3092 switch(popt->index) {
3093 case QEMU_OPTION_no_kvm_irqchip: {
3094 olist = qemu_find_opts("machine");
3095 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3096 break;
3097 }
3098 case QEMU_OPTION_cpu:
3099 /* hw initialization will check this */
3100 cpu_model = optarg;
3101 break;
3102 case QEMU_OPTION_hda:
3103 {
3104 char buf[256];
3105 if (cyls == 0)
3106 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3107 else
3108 snprintf(buf, sizeof(buf),
3109 "%s,cyls=%d,heads=%d,secs=%d%s",
3110 HD_OPTS , cyls, heads, secs,
3111 translation == BIOS_ATA_TRANSLATION_LBA ?
3112 ",trans=lba" :
3113 translation == BIOS_ATA_TRANSLATION_NONE ?
3114 ",trans=none" : "");
3115 drive_add(IF_DEFAULT, 0, optarg, buf);
3116 break;
3117 }
3118 case QEMU_OPTION_hdb:
3119 case QEMU_OPTION_hdc:
3120 case QEMU_OPTION_hdd:
3121 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3122 HD_OPTS);
3123 break;
3124 case QEMU_OPTION_drive:
3125 if (drive_def(optarg) == NULL) {
3126 exit(1);
3127 }
3128 break;
3129 case QEMU_OPTION_set:
3130 if (qemu_set_option(optarg) != 0)
3131 exit(1);
3132 break;
3133 case QEMU_OPTION_global:
3134 if (qemu_global_option(optarg) != 0)
3135 exit(1);
3136 break;
3137 case QEMU_OPTION_mtdblock:
3138 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3139 break;
3140 case QEMU_OPTION_sd:
3141 drive_add(IF_SD, -1, optarg, SD_OPTS);
3142 break;
3143 case QEMU_OPTION_pflash:
3144 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3145 break;
3146 case QEMU_OPTION_snapshot:
3147 snapshot = 1;
3148 break;
3149 case QEMU_OPTION_hdachs:
3150 {
3151 const char *p;
3152 p = optarg;
3153 cyls = strtol(p, (char **)&p, 0);
3154 if (cyls < 1 || cyls > 16383)
3155 goto chs_fail;
3156 if (*p != ',')
3157 goto chs_fail;
3158 p++;
3159 heads = strtol(p, (char **)&p, 0);
3160 if (heads < 1 || heads > 16)
3161 goto chs_fail;
3162 if (*p != ',')
3163 goto chs_fail;
3164 p++;
3165 secs = strtol(p, (char **)&p, 0);
3166 if (secs < 1 || secs > 63)
3167 goto chs_fail;
3168 if (*p == ',') {
3169 p++;
3170 if (!strcmp(p, "large")) {
3171 translation = BIOS_ATA_TRANSLATION_LARGE;
3172 } else if (!strcmp(p, "rechs")) {
3173 translation = BIOS_ATA_TRANSLATION_RECHS;
3174 } else if (!strcmp(p, "none")) {
3175 translation = BIOS_ATA_TRANSLATION_NONE;
3176 } else if (!strcmp(p, "lba")) {
3177 translation = BIOS_ATA_TRANSLATION_LBA;
3178 } else if (!strcmp(p, "auto")) {
3179 translation = BIOS_ATA_TRANSLATION_AUTO;
3180 } else {
3181 goto chs_fail;
3182 }
3183 } else if (*p != '\0') {
3184 chs_fail:
3185 error_report("invalid physical CHS format");
3186 exit(1);
3187 }
3188 if (hda_opts != NULL) {
3189 qemu_opt_set_number(hda_opts, "cyls", cyls,
3190 &error_abort);
3191 qemu_opt_set_number(hda_opts, "heads", heads,
3192 &error_abort);
3193 qemu_opt_set_number(hda_opts, "secs", secs,
3194 &error_abort);
3195 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3196 qemu_opt_set(hda_opts, "trans", "large",
3197 &error_abort);
3198 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3199 qemu_opt_set(hda_opts, "trans", "rechs",
3200 &error_abort);
3201 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3202 qemu_opt_set(hda_opts, "trans", "lba",
3203 &error_abort);
3204 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3205 qemu_opt_set(hda_opts, "trans", "none",
3206 &error_abort);
3207 }
3208 }
3209 }
3210 break;
3211 case QEMU_OPTION_numa:
3212 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3213 optarg, true);
3214 if (!opts) {
3215 exit(1);
3216 }
3217 break;
3218 case QEMU_OPTION_display:
3219 display_type = select_display(optarg);
3220 break;
3221 case QEMU_OPTION_nographic:
3222 display_type = DT_NOGRAPHIC;
3223 break;
3224 case QEMU_OPTION_curses:
3225 #ifdef CONFIG_CURSES
3226 display_type = DT_CURSES;
3227 #else
3228 error_report("curses support is disabled");
3229 exit(1);
3230 #endif
3231 break;
3232 case QEMU_OPTION_portrait:
3233 graphic_rotate = 90;
3234 break;
3235 case QEMU_OPTION_rotate:
3236 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3237 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3238 graphic_rotate != 180 && graphic_rotate != 270) {
3239 error_report("only 90, 180, 270 deg rotation is available");
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_kernel:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_initrd:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3249 &error_abort);
3250 break;
3251 case QEMU_OPTION_append:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3253 &error_abort);
3254 break;
3255 case QEMU_OPTION_dtb:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3257 &error_abort);
3258 break;
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3261 break;
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3264 optarg, true);
3265 if (!opts) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_fda:
3270 case QEMU_OPTION_fdb:
3271 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3272 optarg, FD_OPTS);
3273 break;
3274 case QEMU_OPTION_no_fd_bootchk:
3275 fd_bootchk = 0;
3276 break;
3277 case QEMU_OPTION_netdev:
3278 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_net:
3283 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3284 exit(1);
3285 }
3286 break;
3287 #ifdef CONFIG_LIBISCSI
3288 case QEMU_OPTION_iscsi:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3290 optarg, false);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295 #endif
3296 #ifdef CONFIG_SLIRP
3297 case QEMU_OPTION_tftp:
3298 error_report("The -tftp option is deprecated. "
3299 "Please use '-netdev user,tftp=...' instead.");
3300 legacy_tftp_prefix = optarg;
3301 break;
3302 case QEMU_OPTION_bootp:
3303 error_report("The -bootp option is deprecated. "
3304 "Please use '-netdev user,bootfile=...' instead.");
3305 legacy_bootp_filename = optarg;
3306 break;
3307 case QEMU_OPTION_redir:
3308 error_report("The -redir option is deprecated. "
3309 "Please use '-netdev user,hostfwd=...' instead.");
3310 if (net_slirp_redir(optarg) < 0)
3311 exit(1);
3312 break;
3313 #endif
3314 case QEMU_OPTION_bt:
3315 add_device_config(DEV_BT, optarg);
3316 break;
3317 case QEMU_OPTION_audio_help:
3318 AUD_help ();
3319 exit (0);
3320 break;
3321 case QEMU_OPTION_soundhw:
3322 select_soundhw (optarg);
3323 break;
3324 case QEMU_OPTION_h:
3325 help(0);
3326 break;
3327 case QEMU_OPTION_version:
3328 version();
3329 exit(0);
3330 break;
3331 case QEMU_OPTION_m:
3332 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3333 optarg, true);
3334 if (!opts) {
3335 exit(EXIT_FAILURE);
3336 }
3337 break;
3338 #ifdef CONFIG_TPM
3339 case QEMU_OPTION_tpmdev:
3340 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3341 exit(1);
3342 }
3343 break;
3344 #endif
3345 case QEMU_OPTION_mempath:
3346 mem_path = optarg;
3347 break;
3348 case QEMU_OPTION_mem_prealloc:
3349 mem_prealloc = 1;
3350 break;
3351 case QEMU_OPTION_d:
3352 log_mask = optarg;
3353 break;
3354 case QEMU_OPTION_D:
3355 log_file = optarg;
3356 break;
3357 case QEMU_OPTION_s:
3358 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3359 break;
3360 case QEMU_OPTION_gdb:
3361 add_device_config(DEV_GDB, optarg);
3362 break;
3363 case QEMU_OPTION_L:
3364 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3365 data_dir[data_dir_idx++] = optarg;
3366 }
3367 break;
3368 case QEMU_OPTION_bios:
3369 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3370 &error_abort);
3371 break;
3372 case QEMU_OPTION_singlestep:
3373 singlestep = 1;
3374 break;
3375 case QEMU_OPTION_S:
3376 autostart = 0;
3377 break;
3378 case QEMU_OPTION_k:
3379 keyboard_layout = optarg;
3380 break;
3381 case QEMU_OPTION_localtime:
3382 rtc_utc = 0;
3383 break;
3384 case QEMU_OPTION_vga:
3385 vga_model = optarg;
3386 default_vga = 0;
3387 break;
3388 case QEMU_OPTION_g:
3389 {
3390 const char *p;
3391 int w, h, depth;
3392 p = optarg;
3393 w = strtol(p, (char **)&p, 10);
3394 if (w <= 0) {
3395 graphic_error:
3396 error_report("invalid resolution or depth");
3397 exit(1);
3398 }
3399 if (*p != 'x')
3400 goto graphic_error;
3401 p++;
3402 h = strtol(p, (char **)&p, 10);
3403 if (h <= 0)
3404 goto graphic_error;
3405 if (*p == 'x') {
3406 p++;
3407 depth = strtol(p, (char **)&p, 10);
3408 if (depth != 8 && depth != 15 && depth != 16 &&
3409 depth != 24 && depth != 32)
3410 goto graphic_error;
3411 } else if (*p == '\0') {
3412 depth = graphic_depth;
3413 } else {
3414 goto graphic_error;
3415 }
3416
3417 graphic_width = w;
3418 graphic_height = h;
3419 graphic_depth = depth;
3420 }
3421 break;
3422 case QEMU_OPTION_echr:
3423 {
3424 char *r;
3425 term_escape_char = strtol(optarg, &r, 0);
3426 if (r == optarg)
3427 printf("Bad argument to echr\n");
3428 break;
3429 }
3430 case QEMU_OPTION_monitor:
3431 default_monitor = 0;
3432 if (strncmp(optarg, "none", 4)) {
3433 monitor_parse(optarg, "readline", false);
3434 }
3435 break;
3436 case QEMU_OPTION_qmp:
3437 monitor_parse(optarg, "control", false);
3438 default_monitor = 0;
3439 break;
3440 case QEMU_OPTION_qmp_pretty:
3441 monitor_parse(optarg, "control", true);
3442 default_monitor = 0;
3443 break;
3444 case QEMU_OPTION_mon:
3445 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3446 true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 default_monitor = 0;
3451 break;
3452 case QEMU_OPTION_chardev:
3453 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3454 optarg, true);
3455 if (!opts) {
3456 exit(1);
3457 }
3458 break;
3459 case QEMU_OPTION_fsdev:
3460 olist = qemu_find_opts("fsdev");
3461 if (!olist) {
3462 error_report("fsdev support is disabled");
3463 exit(1);
3464 }
3465 opts = qemu_opts_parse_noisily(olist, optarg, true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 break;
3470 case QEMU_OPTION_virtfs: {
3471 QemuOpts *fsdev;
3472 QemuOpts *device;
3473 const char *writeout, *sock_fd, *socket;
3474
3475 olist = qemu_find_opts("virtfs");
3476 if (!olist) {
3477 error_report("virtfs support is disabled");
3478 exit(1);
3479 }
3480 opts = qemu_opts_parse_noisily(olist, optarg, true);
3481 if (!opts) {
3482 exit(1);
3483 }
3484
3485 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3486 qemu_opt_get(opts, "mount_tag") == NULL) {
3487 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3488 exit(1);
3489 }
3490 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3491 qemu_opt_get(opts, "mount_tag"),
3492 1, NULL);
3493 if (!fsdev) {
3494 error_report("duplicate fsdev id: %s",
3495 qemu_opt_get(opts, "mount_tag"));
3496 exit(1);
3497 }
3498
3499 writeout = qemu_opt_get(opts, "writeout");
3500 if (writeout) {
3501 #ifdef CONFIG_SYNC_FILE_RANGE
3502 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3503 #else
3504 error_report("writeout=immediate not supported "
3505 "on this platform");
3506 exit(1);
3507 #endif
3508 }
3509 qemu_opt_set(fsdev, "fsdriver",
3510 qemu_opt_get(opts, "fsdriver"), &error_abort);
3511 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3512 &error_abort);
3513 qemu_opt_set(fsdev, "security_model",
3514 qemu_opt_get(opts, "security_model"),
3515 &error_abort);
3516 socket = qemu_opt_get(opts, "socket");
3517 if (socket) {
3518 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3519 }
3520 sock_fd = qemu_opt_get(opts, "sock_fd");
3521 if (sock_fd) {
3522 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3523 }
3524
3525 qemu_opt_set_bool(fsdev, "readonly",
3526 qemu_opt_get_bool(opts, "readonly", 0),
3527 &error_abort);
3528 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3529 &error_abort);
3530 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3531 qemu_opt_set(device, "fsdev",
3532 qemu_opt_get(opts, "mount_tag"), &error_abort);
3533 qemu_opt_set(device, "mount_tag",
3534 qemu_opt_get(opts, "mount_tag"), &error_abort);
3535 break;
3536 }
3537 case QEMU_OPTION_virtfs_synth: {
3538 QemuOpts *fsdev;
3539 QemuOpts *device;
3540
3541 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3542 1, NULL);
3543 if (!fsdev) {
3544 error_report("duplicate option: %s", "virtfs_synth");
3545 exit(1);
3546 }
3547 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3548
3549 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3550 &error_abort);
3551 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3552 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3553 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3554 break;
3555 }
3556 case QEMU_OPTION_serial:
3557 add_device_config(DEV_SERIAL, optarg);
3558 default_serial = 0;
3559 if (strncmp(optarg, "mon:", 4) == 0) {
3560 default_monitor = 0;
3561 }
3562 break;
3563 case QEMU_OPTION_watchdog:
3564 if (watchdog) {
3565 error_report("only one watchdog option may be given");
3566 return 1;
3567 }
3568 watchdog = optarg;
3569 break;
3570 case QEMU_OPTION_watchdog_action:
3571 if (select_watchdog_action(optarg) == -1) {
3572 error_report("unknown -watchdog-action parameter");
3573 exit(1);
3574 }
3575 break;
3576 case QEMU_OPTION_virtiocon:
3577 add_device_config(DEV_VIRTCON, optarg);
3578 default_virtcon = 0;
3579 if (strncmp(optarg, "mon:", 4) == 0) {
3580 default_monitor = 0;
3581 }
3582 break;
3583 case QEMU_OPTION_parallel:
3584 add_device_config(DEV_PARALLEL, optarg);
3585 default_parallel = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_debugcon:
3591 add_device_config(DEV_DEBUGCON, optarg);
3592 break;
3593 case QEMU_OPTION_loadvm:
3594 loadvm = optarg;
3595 break;
3596 case QEMU_OPTION_full_screen:
3597 full_screen = 1;
3598 break;
3599 case QEMU_OPTION_no_frame:
3600 no_frame = 1;
3601 break;
3602 case QEMU_OPTION_alt_grab:
3603 alt_grab = 1;
3604 break;
3605 case QEMU_OPTION_ctrl_grab:
3606 ctrl_grab = 1;
3607 break;
3608 case QEMU_OPTION_no_quit:
3609 no_quit = 1;
3610 break;
3611 case QEMU_OPTION_sdl:
3612 #ifdef CONFIG_SDL
3613 display_type = DT_SDL;
3614 break;
3615 #else
3616 error_report("SDL support is disabled");
3617 exit(1);
3618 #endif
3619 case QEMU_OPTION_pidfile:
3620 pid_file = optarg;
3621 break;
3622 case QEMU_OPTION_win2k_hack:
3623 win2k_install_hack = 1;
3624 break;
3625 case QEMU_OPTION_rtc_td_hack: {
3626 static GlobalProperty slew_lost_ticks[] = {
3627 {
3628 .driver = "mc146818rtc",
3629 .property = "lost_tick_policy",
3630 .value = "slew",
3631 },
3632 { /* end of list */ }
3633 };
3634
3635 qdev_prop_register_global_list(slew_lost_ticks);
3636 break;
3637 }
3638 case QEMU_OPTION_acpitable:
3639 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3640 optarg, true);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 do_acpitable_option(opts);
3645 break;
3646 case QEMU_OPTION_smbios:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3648 optarg, false);
3649 if (!opts) {
3650 exit(1);
3651 }
3652 do_smbios_option(opts);
3653 break;
3654 case QEMU_OPTION_fwcfg:
3655 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3656 optarg, true);
3657 if (opts == NULL) {
3658 exit(1);
3659 }
3660 break;
3661 case QEMU_OPTION_enable_kvm:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3664 break;
3665 case QEMU_OPTION_M:
3666 case QEMU_OPTION_machine:
3667 olist = qemu_find_opts("machine");
3668 opts = qemu_opts_parse_noisily(olist, optarg, true);
3669 if (!opts) {
3670 exit(1);
3671 }
3672 break;
3673 case QEMU_OPTION_no_kvm:
3674 olist = qemu_find_opts("machine");
3675 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3676 break;
3677 case QEMU_OPTION_no_kvm_pit: {
3678 error_report("warning: ignoring deprecated option");
3679 break;
3680 }
3681 case QEMU_OPTION_no_kvm_pit_reinjection: {
3682 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3683 {
3684 .driver = "kvm-pit",
3685 .property = "lost_tick_policy",
3686 .value = "discard",
3687 },
3688 { /* end of list */ }
3689 };
3690
3691 error_report("warning: deprecated, replaced by "
3692 "-global kvm-pit.lost_tick_policy=discard");
3693 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3694 break;
3695 }
3696 case QEMU_OPTION_usb:
3697 olist = qemu_find_opts("machine");
3698 qemu_opts_parse_noisily(olist, "usb=on", false);
3699 break;
3700 case QEMU_OPTION_usbdevice:
3701 olist = qemu_find_opts("machine");
3702 qemu_opts_parse_noisily(olist, "usb=on", false);
3703 add_device_config(DEV_USB, optarg);
3704 break;
3705 case QEMU_OPTION_device:
3706 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3707 optarg, true)) {
3708 exit(1);
3709 }
3710 break;
3711 case QEMU_OPTION_smp:
3712 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3713 optarg, true)) {
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_vnc:
3718 {
3719 #ifdef CONFIG_VNC
3720 Error *local_err = NULL;
3721
3722 if (vnc_parse(optarg, &local_err) == NULL) {
3723 error_report_err(local_err);
3724 exit(1);
3725 }
3726 #else
3727 error_report("VNC support is disabled");
3728 exit(1);
3729 #endif
3730 break;
3731 }
3732 case QEMU_OPTION_input_linux:
3733 if (!qemu_opts_parse_noisily(qemu_find_opts("input-linux"),
3734 optarg, true)) {
3735 exit(1);
3736 }
3737 break;
3738 case QEMU_OPTION_no_acpi:
3739 acpi_enabled = 0;
3740 break;
3741 case QEMU_OPTION_no_hpet:
3742 no_hpet = 1;
3743 break;
3744 case QEMU_OPTION_balloon:
3745 if (balloon_parse(optarg) < 0) {
3746 error_report("unknown -balloon argument %s", optarg);
3747 exit(1);
3748 }
3749 break;
3750 case QEMU_OPTION_no_reboot:
3751 no_reboot = 1;
3752 break;
3753 case QEMU_OPTION_no_shutdown:
3754 no_shutdown = 1;
3755 break;
3756 case QEMU_OPTION_show_cursor:
3757 cursor_hide = 0;
3758 break;
3759 case QEMU_OPTION_uuid:
3760 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3761 error_report("failed to parse UUID string: wrong format");
3762 exit(1);
3763 }
3764 qemu_uuid_set = true;
3765 break;
3766 case QEMU_OPTION_option_rom:
3767 if (nb_option_roms >= MAX_OPTION_ROMS) {
3768 error_report("too many option ROMs");
3769 exit(1);
3770 }
3771 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3772 optarg, true);
3773 if (!opts) {
3774 exit(1);
3775 }
3776 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3777 option_rom[nb_option_roms].bootindex =
3778 qemu_opt_get_number(opts, "bootindex", -1);
3779 if (!option_rom[nb_option_roms].name) {
3780 error_report("Option ROM file is not specified");
3781 exit(1);
3782 }
3783 nb_option_roms++;
3784 break;
3785 case QEMU_OPTION_semihosting:
3786 semihosting.enabled = true;
3787 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3788 break;
3789 case QEMU_OPTION_semihosting_config:
3790 semihosting.enabled = true;
3791 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3792 optarg, false);
3793 if (opts != NULL) {
3794 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3795 true);
3796 const char *target = qemu_opt_get(opts, "target");
3797 if (target != NULL) {
3798 if (strcmp("native", target) == 0) {
3799 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3800 } else if (strcmp("gdb", target) == 0) {
3801 semihosting.target = SEMIHOSTING_TARGET_GDB;
3802 } else if (strcmp("auto", target) == 0) {
3803 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3804 } else {
3805 error_report("unsupported semihosting-config %s",
3806 optarg);
3807 exit(1);
3808 }
3809 } else {
3810 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3811 }
3812 /* Set semihosting argument count and vector */
3813 qemu_opt_foreach(opts, add_semihosting_arg,
3814 &semihosting, NULL);
3815 } else {
3816 error_report("unsupported semihosting-config %s", optarg);
3817 exit(1);
3818 }
3819 break;
3820 case QEMU_OPTION_tdf:
3821 error_report("warning: ignoring deprecated option");
3822 break;
3823 case QEMU_OPTION_name:
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3825 optarg, true);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 break;
3830 case QEMU_OPTION_prom_env:
3831 if (nb_prom_envs >= MAX_PROM_ENVS) {
3832 error_report("too many prom variables");
3833 exit(1);
3834 }
3835 prom_envs[nb_prom_envs] = optarg;
3836 nb_prom_envs++;
3837 break;
3838 case QEMU_OPTION_old_param:
3839 old_param = 1;
3840 break;
3841 case QEMU_OPTION_clock:
3842 /* Clock options no longer exist. Keep this option for
3843 * backward compatibility.
3844 */
3845 break;
3846 case QEMU_OPTION_startdate:
3847 configure_rtc_date_offset(optarg, 1);
3848 break;
3849 case QEMU_OPTION_rtc:
3850 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3851 false);
3852 if (!opts) {
3853 exit(1);
3854 }
3855 configure_rtc(opts);
3856 break;
3857 case QEMU_OPTION_tb_size:
3858 tcg_tb_size = strtol(optarg, NULL, 0);
3859 if (tcg_tb_size < 0) {
3860 tcg_tb_size = 0;
3861 }
3862 break;
3863 case QEMU_OPTION_icount:
3864 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3865 optarg, true);
3866 if (!icount_opts) {
3867 exit(1);
3868 }
3869 break;
3870 case QEMU_OPTION_incoming:
3871 if (!incoming) {
3872 runstate_set(RUN_STATE_INMIGRATE);
3873 }
3874 incoming = optarg;
3875 break;
3876 case QEMU_OPTION_nodefaults:
3877 has_defaults = 0;
3878 break;
3879 case QEMU_OPTION_xen_domid:
3880 if (!(xen_available())) {
3881 printf("Option %s not supported for this target\n", popt->name);
3882 exit(1);
3883 }
3884 xen_domid = atoi(optarg);
3885 break;
3886 case QEMU_OPTION_xen_create:
3887 if (!(xen_available())) {
3888 printf("Option %s not supported for this target\n", popt->name);
3889 exit(1);
3890 }
3891 xen_mode = XEN_CREATE;
3892 break;
3893 case QEMU_OPTION_xen_attach:
3894 if (!(xen_available())) {
3895 printf("Option %s not supported for this target\n", popt->name);
3896 exit(1);
3897 }
3898 xen_mode = XEN_ATTACH;
3899 break;
3900 case QEMU_OPTION_trace:
3901 {
3902 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3903 optarg, true);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 if (qemu_opt_get(opts, "enable")) {
3908 trace_enable_events(qemu_opt_get(opts, "enable"));
3909 }
3910 trace_init_events(qemu_opt_get(opts, "events"));
3911 if (trace_file) {
3912 g_free(trace_file);
3913 }
3914 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3915 qemu_opts_del(opts);
3916 break;
3917 }
3918 case QEMU_OPTION_readconfig:
3919 {
3920 int ret = qemu_read_config_file(optarg);
3921 if (ret < 0) {
3922 error_report("read config %s: %s", optarg,
3923 strerror(-ret));
3924 exit(1);
3925 }
3926 break;
3927 }
3928 case QEMU_OPTION_spice:
3929 olist = qemu_find_opts("spice");
3930 if (!olist) {
3931 error_report("spice support is disabled");
3932 exit(1);
3933 }
3934 opts = qemu_opts_parse_noisily(olist, optarg, false);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 display_remote++;
3939 break;
3940 case QEMU_OPTION_writeconfig:
3941 {
3942 FILE *fp;
3943 if (strcmp(optarg, "-") == 0) {
3944 fp = stdout;
3945 } else {
3946 fp = fopen(optarg, "w");
3947 if (fp == NULL) {
3948 error_report("open %s: %s", optarg,
3949 strerror(errno));
3950 exit(1);
3951 }
3952 }
3953 qemu_config_write(fp);
3954 if (fp != stdout) {
3955 fclose(fp);
3956 }
3957 break;
3958 }
3959 case QEMU_OPTION_qtest:
3960 qtest_chrdev = optarg;
3961 break;
3962 case QEMU_OPTION_qtest_log:
3963 qtest_log = optarg;
3964 break;
3965 case QEMU_OPTION_sandbox:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3967 optarg, true);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 break;
3972 case QEMU_OPTION_add_fd:
3973 #ifndef _WIN32
3974 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3975 optarg, false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 #else
3980 error_report("File descriptor passing is disabled on this "
3981 "platform");
3982 exit(1);
3983 #endif
3984 break;
3985 case QEMU_OPTION_object:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3987 optarg, true);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 break;
3992 case QEMU_OPTION_realtime:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3994 optarg, false);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3999 break;
4000 case QEMU_OPTION_msg:
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4002 false);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 configure_msg(opts);
4007 break;
4008 case QEMU_OPTION_dump_vmstate:
4009 if (vmstate_dump_file) {
4010 error_report("only one '-dump-vmstate' "
4011 "option may be given");
4012 exit(1);
4013 }
4014 vmstate_dump_file = fopen(optarg, "w");
4015 if (vmstate_dump_file == NULL) {
4016 error_report("open %s: %s", optarg, strerror(errno));
4017 exit(1);
4018 }
4019 break;
4020 default:
4021 os_parse_cmd_args(popt->index, optarg);
4022 }
4023 }
4024 }
4025 /*
4026 * Clear error location left behind by the loop.
4027 * Best done right after the loop. Do not insert code here!
4028 */
4029 loc_set_none();
4030
4031 replay_configure(icount_opts);
4032
4033 machine_class = select_machine();
4034
4035 set_memory_options(&ram_slots, &maxram_size, machine_class);
4036
4037 os_daemonize();
4038
4039 if (qemu_init_main_loop(&main_loop_err)) {
4040 error_report_err(main_loop_err);
4041 exit(1);
4042 }
4043
4044 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4045 parse_sandbox, NULL, NULL)) {
4046 exit(1);
4047 }
4048
4049 if (qemu_opts_foreach(qemu_find_opts("name"),
4050 parse_name, NULL, NULL)) {
4051 exit(1);
4052 }
4053
4054 #ifndef _WIN32
4055 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4056 parse_add_fd, NULL, NULL)) {
4057 exit(1);
4058 }
4059
4060 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4061 cleanup_add_fd, NULL, NULL)) {
4062 exit(1);
4063 }
4064 #endif
4065
4066 current_machine = MACHINE(object_new(object_class_get_name(
4067 OBJECT_CLASS(machine_class))));
4068 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4069 exit(0);
4070 }
4071 object_property_add_child(object_get_root(), "machine",
4072 OBJECT(current_machine), &error_abort);
4073 cpu_exec_init_all();
4074
4075 if (machine_class->hw_version) {
4076 qemu_set_hw_version(machine_class->hw_version);
4077 }
4078
4079 /* Init CPU def lists, based on config
4080 * - Must be called after all the qemu_read_config_file() calls
4081 * - Must be called before list_cpus()
4082 * - Must be called before machine->init()
4083 */
4084 cpudef_init();
4085
4086 if (cpu_model && is_help_option(cpu_model)) {
4087 list_cpus(stdout, &fprintf, cpu_model);
4088 exit(0);
4089 }
4090
4091 if (!trace_init_backends()) {
4092 exit(1);
4093 }
4094 trace_init_file(trace_file);
4095
4096 /* Open the logfile at this point and set the log mask if necessary.
4097 */
4098 if (log_file) {
4099 qemu_set_log_filename(log_file);
4100 }
4101
4102 if (log_mask) {
4103 int mask;
4104 mask = qemu_str_to_log_mask(log_mask);
4105 if (!mask) {
4106 qemu_print_log_usage(stdout);
4107 exit(1);
4108 }
4109 qemu_set_log(mask);
4110 } else {
4111 qemu_set_log(0);
4112 }
4113
4114 /* If no data_dir is specified then try to find it relative to the
4115 executable path. */
4116 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4117 data_dir[data_dir_idx] = os_find_datadir();
4118 if (data_dir[data_dir_idx] != NULL) {
4119 data_dir_idx++;
4120 }
4121 }
4122 /* If all else fails use the install path specified when building. */
4123 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4124 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4125 }
4126
4127 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4128
4129 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4130 if (max_cpus > machine_class->max_cpus) {
4131 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4132 "supported by machine '%s' (%d)", max_cpus,
4133 machine_class->name, machine_class->max_cpus);
4134 exit(1);
4135 }
4136
4137 /*
4138 * Get the default machine options from the machine if it is not already
4139 * specified either by the configuration file or by the command line.
4140 */
4141 if (machine_class->default_machine_opts) {
4142 qemu_opts_set_defaults(qemu_find_opts("machine"),
4143 machine_class->default_machine_opts, 0);
4144 }
4145
4146 qemu_opts_foreach(qemu_find_opts("device"),
4147 default_driver_check, NULL, NULL);
4148 qemu_opts_foreach(qemu_find_opts("global"),
4149 default_driver_check, NULL, NULL);
4150
4151 if (!vga_model && !default_vga) {
4152 vga_interface_type = VGA_DEVICE;
4153 }
4154 if (!has_defaults || machine_class->no_serial) {
4155 default_serial = 0;
4156 }
4157 if (!has_defaults || machine_class->no_parallel) {
4158 default_parallel = 0;
4159 }
4160 if (!has_defaults || !machine_class->use_virtcon) {
4161 default_virtcon = 0;
4162 }
4163 if (!has_defaults || !machine_class->use_sclp) {
4164 default_sclp = 0;
4165 }
4166 if (!has_defaults || machine_class->no_floppy) {
4167 default_floppy = 0;
4168 }
4169 if (!has_defaults || machine_class->no_cdrom) {
4170 default_cdrom = 0;
4171 }
4172 if (!has_defaults || machine_class->no_sdcard) {
4173 default_sdcard = 0;
4174 }
4175 if (!has_defaults) {
4176 default_monitor = 0;
4177 default_net = 0;
4178 default_vga = 0;
4179 }
4180
4181 if (is_daemonized()) {
4182 /* According to documentation and historically, -nographic redirects
4183 * serial port, parallel port and monitor to stdio, which does not work
4184 * with -daemonize. We can redirect these to null instead, but since
4185 * -nographic is legacy, let's just error out.
4186 * We disallow -nographic only if all other ports are not redirected
4187 * explicitly, to not break existing legacy setups which uses
4188 * -nographic _and_ redirects all ports explicitly - this is valid
4189 * usage, -nographic is just a no-op in this case.
4190 */
4191 if (display_type == DT_NOGRAPHIC
4192 && (default_parallel || default_serial
4193 || default_monitor || default_virtcon)) {
4194 error_report("-nographic cannot be used with -daemonize");
4195 exit(1);
4196 }
4197 #ifdef CONFIG_CURSES
4198 if (display_type == DT_CURSES) {
4199 error_report("curses display cannot be used with -daemonize");
4200 exit(1);
4201 }
4202 #endif
4203 }
4204
4205 if (display_type == DT_NOGRAPHIC) {
4206 if (default_parallel)
4207 add_device_config(DEV_PARALLEL, "null");
4208 if (default_serial && default_monitor) {
4209 add_device_config(DEV_SERIAL, "mon:stdio");
4210 } else if (default_virtcon && default_monitor) {
4211 add_device_config(DEV_VIRTCON, "mon:stdio");
4212 } else if (default_sclp && default_monitor) {
4213 add_device_config(DEV_SCLP, "mon:stdio");
4214 } else {
4215 if (default_serial)
4216 add_device_config(DEV_SERIAL, "stdio");
4217 if (default_virtcon)
4218 add_device_config(DEV_VIRTCON, "stdio");
4219 if (default_sclp) {
4220 add_device_config(DEV_SCLP, "stdio");
4221 }
4222 if (default_monitor)
4223 monitor_parse("stdio", "readline", false);
4224 }
4225 } else {
4226 if (default_serial)
4227 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4228 if (default_parallel)
4229 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4230 if (default_monitor)
4231 monitor_parse("vc:80Cx24C", "readline", false);
4232 if (default_virtcon)
4233 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4234 if (default_sclp) {
4235 add_device_config(DEV_SCLP, "vc:80Cx24C");
4236 }
4237 }
4238
4239 #if defined(CONFIG_VNC)
4240 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4241 display_remote++;
4242 }
4243 #endif
4244 if (display_type == DT_DEFAULT && !display_remote) {
4245 #if defined(CONFIG_GTK)
4246 display_type = DT_GTK;
4247 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4248 display_type = DT_SDL;
4249 #elif defined(CONFIG_VNC)
4250 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4251 show_vnc_port = 1;
4252 #else
4253 display_type = DT_NONE;
4254 #endif
4255 }
4256
4257 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4258 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4259 "for SDL, ignoring option");
4260 }
4261 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4262 error_report("-no-quit is only valid for GTK and SDL, "
4263 "ignoring option");
4264 }
4265
4266 #if defined(CONFIG_GTK)
4267 if (display_type == DT_GTK) {
4268 early_gtk_display_init(request_opengl);
4269 }
4270 #endif
4271 #if defined(CONFIG_SDL)
4272 if (display_type == DT_SDL) {
4273 sdl_display_early_init(request_opengl);
4274 }
4275 #endif
4276 if (request_opengl == 1 && display_opengl == 0) {
4277 #if defined(CONFIG_OPENGL)
4278 error_report("OpenGL is not supported by the display");
4279 #else
4280 error_report("OpenGL support is disabled");
4281 #endif
4282 exit(1);
4283 }
4284
4285 page_size_init();
4286 socket_init();
4287
4288 if (qemu_opts_foreach(qemu_find_opts("object"),
4289 user_creatable_add_opts_foreach,
4290 object_create_initial, &err)) {
4291 error_report_err(err);
4292 exit(1);
4293 }
4294
4295 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4296 chardev_init_func, NULL, NULL)) {
4297 exit(1);
4298 }
4299
4300 #ifdef CONFIG_VIRTFS
4301 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4302 fsdev_init_func, NULL, NULL)) {
4303 exit(1);
4304 }
4305 #endif
4306
4307 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4308 error_report("could not acquire pid file: %s", strerror(errno));
4309 exit(1);
4310 }
4311
4312 if (qemu_opts_foreach(qemu_find_opts("device"),
4313 device_help_func, NULL, NULL)) {
4314 exit(0);
4315 }
4316
4317 machine_opts = qemu_get_machine_opts();
4318 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4319 NULL)) {
4320 object_unref(OBJECT(current_machine));
4321 exit(1);
4322 }
4323
4324 configure_accelerator(current_machine);
4325
4326 if (qtest_chrdev) {
4327 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4328 }
4329
4330 machine_opts = qemu_get_machine_opts();
4331 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4332 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4333 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4334 bios_name = qemu_opt_get(machine_opts, "firmware");
4335
4336 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4337 if (opts) {
4338 boot_order = qemu_opt_get(opts, "order");
4339 if (boot_order) {
4340 validate_bootdevices(boot_order, &error_fatal);
4341 }
4342
4343 boot_once = qemu_opt_get(opts, "once");
4344 if (boot_once) {
4345 validate_bootdevices(boot_once, &error_fatal);
4346 }
4347
4348 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4349 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4350 }
4351
4352 if (!boot_order) {
4353 boot_order = machine_class->default_boot_order;
4354 }
4355
4356 if (!kernel_cmdline) {
4357 kernel_cmdline = "";
4358 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4359 }
4360
4361 linux_boot = (kernel_filename != NULL);
4362
4363 if (!linux_boot && *kernel_cmdline != '\0') {
4364 error_report("-append only allowed with -kernel option");
4365 exit(1);
4366 }
4367
4368 if (!linux_boot && initrd_filename != NULL) {
4369 error_report("-initrd only allowed with -kernel option");
4370 exit(1);
4371 }
4372
4373 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4374 error_report("-dtb only allowed with -kernel option");
4375 exit(1);
4376 }
4377
4378 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4379 /* fall back to the -kernel/-append */
4380 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4381 }
4382
4383 os_set_line_buffering();
4384
4385 #ifdef CONFIG_SPICE
4386 /* spice needs the timers to be initialized by this point */
4387 qemu_spice_init();
4388 #endif
4389
4390 cpu_ticks_init();
4391 if (icount_opts) {
4392 if (kvm_enabled() || xen_enabled()) {
4393 error_report("-icount is not allowed with kvm or xen");
4394 exit(1);
4395 }
4396 configure_icount(icount_opts, &error_abort);
4397 qemu_opts_del(icount_opts);
4398 }
4399
4400 /* clean up network at qemu process termination */
4401 atexit(&net_cleanup);
4402
4403 if (net_init_clients() < 0) {
4404 exit(1);
4405 }
4406
4407 if (qemu_opts_foreach(qemu_find_opts("object"),
4408 user_creatable_add_opts_foreach,
4409 object_create_delayed, &err)) {
4410 error_report_err(err);
4411 exit(1);
4412 }
4413
4414 #ifdef CONFIG_TPM
4415 if (tpm_init() < 0) {
4416 exit(1);
4417 }
4418 #endif
4419
4420 /* init the bluetooth world */
4421 if (foreach_device_config(DEV_BT, bt_parse))
4422 exit(1);
4423
4424 if (!xen_enabled()) {
4425 /* On 32-bit hosts, QEMU is limited by virtual address space */
4426 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4427 error_report("at most 2047 MB RAM can be simulated");
4428 exit(1);
4429 }
4430 }
4431
4432 blk_mig_init();
4433 ram_mig_init();
4434
4435 /* If the currently selected machine wishes to override the units-per-bus
4436 * property of its default HBA interface type, do so now. */
4437 if (machine_class->units_per_default_bus) {
4438 override_max_devs(machine_class->block_default_type,
4439 machine_class->units_per_default_bus);
4440 }
4441
4442 /* open the virtual block devices */
4443 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4444 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4445 NULL, NULL);
4446 }
4447 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4448 &machine_class->block_default_type, NULL)) {
4449 exit(1);
4450 }
4451
4452 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4453 CDROM_OPTS);
4454 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4455 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4456
4457 parse_numa_opts(machine_class);
4458
4459 if (qemu_opts_foreach(qemu_find_opts("mon"),
4460 mon_init_func, NULL, NULL)) {
4461 exit(1);
4462 }
4463
4464 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4465 exit(1);
4466 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4467 exit(1);
4468 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4469 exit(1);
4470 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4471 exit(1);
4472 }
4473 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4474 exit(1);
4475
4476 /* If no default VGA is requested, the default is "none". */
4477 if (default_vga) {
4478 if (machine_class->default_display) {
4479 vga_model = machine_class->default_display;
4480 } else if (cirrus_vga_available()) {
4481 vga_model = "cirrus";
4482 } else if (vga_available()) {
4483 vga_model = "std";
4484 }
4485 }
4486 if (vga_model) {
4487 select_vgahw(vga_model);
4488 }
4489
4490 if (watchdog) {
4491 i = select_watchdog(watchdog);
4492 if (i > 0)
4493 exit (i == 1 ? 1 : 0);
4494 }
4495
4496 if (machine_class->compat_props) {
4497 qdev_prop_register_global_list(machine_class->compat_props);
4498 }
4499 qemu_add_globals();
4500
4501 /* This checkpoint is required by replay to separate prior clock
4502 reading from the other reads, because timer polling functions query
4503 clock values from the log. */
4504 replay_checkpoint(CHECKPOINT_INIT);
4505 qdev_machine_init();
4506
4507 current_machine->ram_size = ram_size;
4508 current_machine->maxram_size = maxram_size;
4509 current_machine->ram_slots = ram_slots;
4510 current_machine->boot_order = boot_order;
4511 current_machine->cpu_model = cpu_model;
4512
4513 machine_class->init(current_machine);
4514
4515 realtime_init();
4516
4517 audio_init();
4518
4519 cpu_synchronize_all_post_init();
4520
4521 numa_post_machine_init();
4522
4523 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4524 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4525 exit(1);
4526 }
4527
4528 /* init USB devices */
4529 if (usb_enabled()) {
4530 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4531 exit(1);
4532 }
4533
4534 /* Check if IGD GFX passthrough. */
4535 igd_gfx_passthru();
4536
4537 /* init generic devices */
4538 if (qemu_opts_foreach(qemu_find_opts("device"),
4539 device_init_func, NULL, NULL)) {
4540 exit(1);
4541 }
4542
4543 /* Did we create any drives that we failed to create a device for? */
4544 drive_check_orphaned();
4545
4546 net_check_clients();
4547
4548 if (boot_once) {
4549 qemu_boot_set(boot_once, &error_fatal);
4550 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4551 }
4552
4553 ds = init_displaystate();
4554
4555 /* init local displays */
4556 switch (display_type) {
4557 case DT_NOGRAPHIC:
4558 (void)ds; /* avoid warning if no display is configured */
4559 break;
4560 #if defined(CONFIG_CURSES)
4561 case DT_CURSES:
4562 curses_display_init(ds, full_screen);
4563 break;
4564 #endif
4565 #if defined(CONFIG_SDL)
4566 case DT_SDL:
4567 sdl_display_init(ds, full_screen, no_frame);
4568 break;
4569 #elif defined(CONFIG_COCOA)
4570 case DT_SDL:
4571 cocoa_display_init(ds, full_screen);
4572 break;
4573 #endif
4574 #if defined(CONFIG_GTK)
4575 case DT_GTK:
4576 gtk_display_init(ds, full_screen, grab_on_hover);
4577 break;
4578 #endif
4579 default:
4580 break;
4581 }
4582
4583 /* must be after terminal init, SDL library changes signal handlers */
4584 os_setup_signal_handling();
4585
4586 #ifdef CONFIG_VNC
4587 /* init remote displays */
4588 qemu_opts_foreach(qemu_find_opts("vnc"),
4589 vnc_init_func, NULL, NULL);
4590 if (show_vnc_port) {
4591 char *ret = vnc_display_local_addr("default");
4592 printf("VNC server running on '%s'\n", ret);
4593 g_free(ret);
4594 }
4595 #endif
4596 #ifdef CONFIG_SPICE
4597 if (using_spice) {
4598 qemu_spice_display_init();
4599 }
4600 #endif
4601 #ifdef CONFIG_LINUX
4602 qemu_opts_foreach(qemu_find_opts("input-linux"),
4603 input_linux_init, NULL, &error_fatal);
4604 #endif
4605
4606 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4607 exit(1);
4608 }
4609
4610 qdev_machine_creation_done();
4611
4612 /* TODO: once all bus devices are qdevified, this should be done
4613 * when bus is created by qdev.c */
4614 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4615 qemu_run_machine_init_done_notifiers();
4616
4617 if (rom_check_and_register_reset() != 0) {
4618 error_report("rom check and register reset failed");
4619 exit(1);
4620 }
4621
4622 replay_start();
4623
4624 /* This checkpoint is required by replay to separate prior clock
4625 reading from the other reads, because timer polling functions query
4626 clock values from the log. */
4627 replay_checkpoint(CHECKPOINT_RESET);
4628 qemu_system_reset(VMRESET_SILENT);
4629 register_global_state();
4630 if (loadvm) {
4631 if (load_vmstate(loadvm) < 0) {
4632 autostart = 0;
4633 }
4634 }
4635
4636 qdev_prop_check_globals();
4637 if (vmstate_dump_file) {
4638 /* dump and exit */
4639 dump_vmstate_json_to_file(vmstate_dump_file);
4640 return 0;
4641 }
4642
4643 if (incoming) {
4644 Error *local_err = NULL;
4645 qemu_start_incoming_migration(incoming, &local_err);
4646 if (local_err) {
4647 error_reportf_err(local_err, "-incoming %s: ", incoming);
4648 exit(1);
4649 }
4650 } else if (autostart) {
4651 vm_start();
4652 }
4653
4654 os_setup_post();
4655
4656 main_loop();
4657 replay_disable_events();
4658
4659 bdrv_close_all();
4660 pause_all_vcpus();
4661 res_free();
4662 #ifdef CONFIG_TPM
4663 tpm_cleanup();
4664 #endif
4665
4666 return 0;
4667 }
QEmu