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vga: add sr_vbe register set
[qemu/kevin.git] / vl.c
blobb1562d8280f0df2a245eba94670da076e1ba726c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210
211 static struct {
212 const char *driver;
213 int *flag;
214 } default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231 };
232
233 static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249 };
250
251 static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
583
584 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
591 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
594 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
595
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
605 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
624 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
625 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
627 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
629 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
631 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
632 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
633
634 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
635
636 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
641 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
642 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
643 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
645
646 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
647 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE__MAX, RUN_STATE__MAX },
655 };
656
657 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
658
659 bool runstate_check(RunState state)
660 {
661 return current_run_state == state;
662 }
663
664 bool runstate_store(char *str, size_t size)
665 {
666 const char *state = RunState_lookup[current_run_state];
667 size_t len = strlen(state) + 1;
668
669 if (len > size) {
670 return false;
671 }
672 memcpy(str, state, len);
673 return true;
674 }
675
676 static void runstate_init(void)
677 {
678 const RunStateTransition *p;
679
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
683 }
684
685 qemu_mutex_init(&vmstop_lock);
686 }
687
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
690 {
691 assert(new_state < RUN_STATE__MAX);
692
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 error_report("invalid runstate transition: '%s' -> '%s'",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
697 abort();
698 }
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
701 }
702
703 int runstate_is_running(void)
704 {
705 return runstate_check(RUN_STATE_RUNNING);
706 }
707
708 bool runstate_needs_reset(void)
709 {
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
712 }
713
714 StatusInfo *qmp_query_status(Error **errp)
715 {
716 StatusInfo *info = g_malloc0(sizeof(*info));
717
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
721
722 return info;
723 }
724
725 static bool qemu_vmstop_requested(RunState *r)
726 {
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE__MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE__MAX;
732 }
733
734 void qemu_system_vmstop_request_prepare(void)
735 {
736 qemu_mutex_lock(&vmstop_lock);
737 }
738
739 void qemu_system_vmstop_request(RunState state)
740 {
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
743 qemu_notify_event();
744 }
745
746 void vm_start(void)
747 {
748 RunState requested;
749
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE__MAX) {
752 return;
753 }
754
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
758 * the STOP event.
759 */
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
762 } else {
763 cpu_enable_ticks();
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
766 resume_all_vcpus();
767 }
768
769 qapi_event_send_resume(&error_abort);
770 }
771
772
773 /***********************************************************/
774 /* real time host monotonic timer */
775
776 static time_t qemu_time(void)
777 {
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
779 }
780
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
784 {
785 time_t ti = qemu_time();
786
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797 }
798
799 int qemu_timedate_diff(struct tm *tm)
800 {
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - qemu_time();
815 }
816
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 {
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = qemu_time() - rtc_start_date;
854 }
855 }
856
857 static void configure_rtc(QemuOpts *opts)
858 {
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
867 rtc_utc = 0;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
871 } else {
872 configure_rtc_date_offset(value, 0);
873 }
874 }
875 value = qemu_opt_get(opts, "clock");
876 if (value) {
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 value = qemu_opt_get(opts, "driftfix");
889 if (value) {
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks = {
892 .driver = "mc146818rtc",
893 .property = "lost_tick_policy",
894 .value = "slew",
895 };
896
897 qdev_prop_register_global(&slew_lost_ticks);
898 } else if (!strcmp(value, "none")) {
899 /* discard is default */
900 } else {
901 error_report("invalid option value '%s'", value);
902 exit(1);
903 }
904 }
905 }
906
907 /***********************************************************/
908 /* Bluetooth support */
909 static int nb_hcis;
910 static int cur_hci;
911 static struct HCIInfo *hci_table[MAX_NICS];
912
913 struct HCIInfo *qemu_next_hci(void)
914 {
915 if (cur_hci == nb_hcis)
916 return &null_hci;
917
918 return hci_table[cur_hci++];
919 }
920
921 static int bt_hci_parse(const char *str)
922 {
923 struct HCIInfo *hci;
924 bdaddr_t bdaddr;
925
926 if (nb_hcis >= MAX_NICS) {
927 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
928 return -1;
929 }
930
931 hci = hci_init(str);
932 if (!hci)
933 return -1;
934
935 bdaddr.b[0] = 0x52;
936 bdaddr.b[1] = 0x54;
937 bdaddr.b[2] = 0x00;
938 bdaddr.b[3] = 0x12;
939 bdaddr.b[4] = 0x34;
940 bdaddr.b[5] = 0x56 + nb_hcis;
941 hci->bdaddr_set(hci, bdaddr.b);
942
943 hci_table[nb_hcis++] = hci;
944
945 return 0;
946 }
947
948 static void bt_vhci_add(int vlan_id)
949 {
950 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
951
952 if (!vlan->slave)
953 error_report("warning: adding a VHCI to an empty scatternet %i",
954 vlan_id);
955
956 bt_vhci_init(bt_new_hci(vlan));
957 }
958
959 static struct bt_device_s *bt_device_add(const char *opt)
960 {
961 struct bt_scatternet_s *vlan;
962 int vlan_id = 0;
963 char *endp = strstr(opt, ",vlan=");
964 int len = (endp ? endp - opt : strlen(opt)) + 1;
965 char devname[10];
966
967 pstrcpy(devname, MIN(sizeof(devname), len), opt);
968
969 if (endp) {
970 vlan_id = strtol(endp + 6, &endp, 0);
971 if (*endp) {
972 error_report("unrecognised bluetooth vlan Id");
973 return 0;
974 }
975 }
976
977 vlan = qemu_find_bt_vlan(vlan_id);
978
979 if (!vlan->slave)
980 error_report("warning: adding a slave device to an empty scatternet %i",
981 vlan_id);
982
983 if (!strcmp(devname, "keyboard"))
984 return bt_keyboard_init(vlan);
985
986 error_report("unsupported bluetooth device '%s'", devname);
987 return 0;
988 }
989
990 static int bt_parse(const char *opt)
991 {
992 const char *endp, *p;
993 int vlan;
994
995 if (strstart(opt, "hci", &endp)) {
996 if (!*endp || *endp == ',') {
997 if (*endp)
998 if (!strstart(endp, ",vlan=", 0))
999 opt = endp + 1;
1000
1001 return bt_hci_parse(opt);
1002 }
1003 } else if (strstart(opt, "vhci", &endp)) {
1004 if (!*endp || *endp == ',') {
1005 if (*endp) {
1006 if (strstart(endp, ",vlan=", &p)) {
1007 vlan = strtol(p, (char **) &endp, 0);
1008 if (*endp) {
1009 error_report("bad scatternet '%s'", p);
1010 return 1;
1011 }
1012 } else {
1013 error_report("bad parameter '%s'", endp + 1);
1014 return 1;
1015 }
1016 } else
1017 vlan = 0;
1018
1019 bt_vhci_add(vlan);
1020 return 0;
1021 }
1022 } else if (strstart(opt, "device:", &endp))
1023 return !bt_device_add(endp);
1024
1025 error_report("bad bluetooth parameter '%s'", opt);
1026 return 1;
1027 }
1028
1029 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1030 {
1031 /* FIXME: change this to true for 1.3 */
1032 if (qemu_opt_get_bool(opts, "enable", false)) {
1033 #ifdef CONFIG_SECCOMP
1034 if (seccomp_start() < 0) {
1035 error_report("failed to install seccomp syscall filter "
1036 "in the kernel");
1037 return -1;
1038 }
1039 #else
1040 error_report("seccomp support is disabled");
1041 return -1;
1042 #endif
1043 }
1044
1045 return 0;
1046 }
1047
1048 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1049 {
1050 const char *proc_name;
1051
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 }
1055 qemu_name = qemu_opt_get(opts, "guest");
1056
1057 proc_name = qemu_opt_get(opts, "process");
1058 if (proc_name) {
1059 os_set_proc_name(proc_name);
1060 }
1061
1062 return 0;
1063 }
1064
1065 bool defaults_enabled(void)
1066 {
1067 return has_defaults;
1068 }
1069
1070 bool usb_enabled(void)
1071 {
1072 return machine_usb(current_machine);
1073 }
1074
1075 #ifndef _WIN32
1076 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1077 {
1078 int fd, dupfd, flags;
1079 int64_t fdset_id;
1080 const char *fd_opaque = NULL;
1081 AddfdInfo *fdinfo;
1082
1083 fd = qemu_opt_get_number(opts, "fd", -1);
1084 fdset_id = qemu_opt_get_number(opts, "set", -1);
1085 fd_opaque = qemu_opt_get(opts, "opaque");
1086
1087 if (fd < 0) {
1088 error_report("fd option is required and must be non-negative");
1089 return -1;
1090 }
1091
1092 if (fd <= STDERR_FILENO) {
1093 error_report("fd cannot be a standard I/O stream");
1094 return -1;
1095 }
1096
1097 /*
1098 * All fds inherited across exec() necessarily have FD_CLOEXEC
1099 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1100 */
1101 flags = fcntl(fd, F_GETFD);
1102 if (flags == -1 || (flags & FD_CLOEXEC)) {
1103 error_report("fd is not valid or already in use");
1104 return -1;
1105 }
1106
1107 if (fdset_id < 0) {
1108 error_report("set option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 #ifdef F_DUPFD_CLOEXEC
1113 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1114 #else
1115 dupfd = dup(fd);
1116 if (dupfd != -1) {
1117 qemu_set_cloexec(dupfd);
1118 }
1119 #endif
1120 if (dupfd == -1) {
1121 error_report("error duplicating fd: %s", strerror(errno));
1122 return -1;
1123 }
1124
1125 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1126 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1127 &error_abort);
1128 g_free(fdinfo);
1129
1130 return 0;
1131 }
1132
1133 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1134 {
1135 int fd;
1136
1137 fd = qemu_opt_get_number(opts, "fd", -1);
1138 close(fd);
1139
1140 return 0;
1141 }
1142 #endif
1143
1144 /***********************************************************/
1145 /* QEMU Block devices */
1146
1147 #define HD_OPTS "media=disk"
1148 #define CDROM_OPTS "media=cdrom"
1149 #define FD_OPTS ""
1150 #define PFLASH_OPTS ""
1151 #define MTD_OPTS ""
1152 #define SD_OPTS ""
1153
1154 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 BlockInterfaceType *block_default_type = opaque;
1157
1158 return drive_new(opts, *block_default_type) == NULL;
1159 }
1160
1161 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 if (qemu_opt_get(opts, "snapshot") == NULL) {
1164 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1165 }
1166 return 0;
1167 }
1168
1169 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1170 int index, const char *optstr)
1171 {
1172 QemuOpts *opts;
1173 DriveInfo *dinfo;
1174
1175 if (!enable || drive_get_by_index(type, index)) {
1176 return;
1177 }
1178
1179 opts = drive_add(type, index, NULL, optstr);
1180 if (snapshot) {
1181 drive_enable_snapshot(NULL, opts, NULL);
1182 }
1183
1184 dinfo = drive_new(opts, type);
1185 if (!dinfo) {
1186 exit(1);
1187 }
1188 dinfo->is_default = true;
1189
1190 }
1191
1192 static QemuOptsList qemu_smp_opts = {
1193 .name = "smp-opts",
1194 .implied_opt_name = "cpus",
1195 .merge_lists = true,
1196 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1197 .desc = {
1198 {
1199 .name = "cpus",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "sockets",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "cores",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "threads",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "maxcpus",
1212 .type = QEMU_OPT_NUMBER,
1213 },
1214 { /*End of list */ }
1215 },
1216 };
1217
1218 static void smp_parse(QemuOpts *opts)
1219 {
1220 if (opts) {
1221
1222 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1223 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1224 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1225 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1226
1227 /* compute missing values, prefer sockets over cores over threads */
1228 if (cpus == 0 || sockets == 0) {
1229 sockets = sockets > 0 ? sockets : 1;
1230 cores = cores > 0 ? cores : 1;
1231 threads = threads > 0 ? threads : 1;
1232 if (cpus == 0) {
1233 cpus = cores * threads * sockets;
1234 }
1235 } else if (cores == 0) {
1236 threads = threads > 0 ? threads : 1;
1237 cores = cpus / (sockets * threads);
1238 } else if (threads == 0) {
1239 threads = cpus / (cores * sockets);
1240 } else if (sockets * cores * threads < cpus) {
1241 error_report("cpu topology: "
1242 "sockets (%u) * cores (%u) * threads (%u) < "
1243 "smp_cpus (%u)",
1244 sockets, cores, threads, cpus);
1245 exit(1);
1246 }
1247
1248 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1249 if (sockets * cores * threads > max_cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) > "
1252 "maxcpus (%u)",
1253 sockets, cores, threads, max_cpus);
1254 exit(1);
1255 }
1256
1257 smp_cpus = cpus;
1258 smp_cores = cores > 0 ? cores : 1;
1259 smp_threads = threads > 0 ? threads : 1;
1260
1261 }
1262
1263 if (max_cpus == 0) {
1264 max_cpus = smp_cpus;
1265 }
1266
1267 if (max_cpus > MAX_CPUMASK_BITS) {
1268 error_report("unsupported number of maxcpus");
1269 exit(1);
1270 }
1271 if (max_cpus < smp_cpus) {
1272 error_report("maxcpus must be equal to or greater than smp");
1273 exit(1);
1274 }
1275
1276 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1277 Error *blocker = NULL;
1278 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1279 replay_add_blocker(blocker);
1280 }
1281 }
1282
1283 static void realtime_init(void)
1284 {
1285 if (enable_mlock) {
1286 if (os_mlock() < 0) {
1287 error_report("locking memory failed");
1288 exit(1);
1289 }
1290 }
1291 }
1292
1293
1294 static void configure_msg(QemuOpts *opts)
1295 {
1296 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1297 }
1298
1299 /***********************************************************/
1300 /* Semihosting */
1301
1302 typedef struct SemihostingConfig {
1303 bool enabled;
1304 SemihostingTarget target;
1305 const char **argv;
1306 int argc;
1307 const char *cmdline; /* concatenated argv */
1308 } SemihostingConfig;
1309
1310 static SemihostingConfig semihosting;
1311
1312 bool semihosting_enabled(void)
1313 {
1314 return semihosting.enabled;
1315 }
1316
1317 SemihostingTarget semihosting_get_target(void)
1318 {
1319 return semihosting.target;
1320 }
1321
1322 const char *semihosting_get_arg(int i)
1323 {
1324 if (i >= semihosting.argc) {
1325 return NULL;
1326 }
1327 return semihosting.argv[i];
1328 }
1329
1330 int semihosting_get_argc(void)
1331 {
1332 return semihosting.argc;
1333 }
1334
1335 const char *semihosting_get_cmdline(void)
1336 {
1337 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1338 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1339 }
1340 return semihosting.cmdline;
1341 }
1342
1343 static int add_semihosting_arg(void *opaque,
1344 const char *name, const char *val,
1345 Error **errp)
1346 {
1347 SemihostingConfig *s = opaque;
1348 if (strcmp(name, "arg") == 0) {
1349 s->argc++;
1350 /* one extra element as g_strjoinv() expects NULL-terminated array */
1351 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1352 s->argv[s->argc - 1] = val;
1353 s->argv[s->argc] = NULL;
1354 }
1355 return 0;
1356 }
1357
1358 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1359 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1360 {
1361 char *cmd_token;
1362
1363 /* argv[0] */
1364 add_semihosting_arg(&semihosting, "arg", file, NULL);
1365
1366 /* split -append and initialize argv[1..n] */
1367 cmd_token = strtok(g_strdup(cmd), " ");
1368 while (cmd_token) {
1369 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1370 cmd_token = strtok(NULL, " ");
1371 }
1372 }
1373
1374 /* Now we still need this for compatibility with XEN. */
1375 bool has_igd_gfx_passthru;
1376 static void igd_gfx_passthru(void)
1377 {
1378 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1379 }
1380
1381 /***********************************************************/
1382 /* USB devices */
1383
1384 static int usb_device_add(const char *devname)
1385 {
1386 USBDevice *dev = NULL;
1387 #ifndef CONFIG_LINUX
1388 const char *p;
1389 #endif
1390
1391 if (!usb_enabled()) {
1392 return -1;
1393 }
1394
1395 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1396 dev = usbdevice_create(devname);
1397 if (dev)
1398 goto done;
1399
1400 /* the other ones */
1401 #ifndef CONFIG_LINUX
1402 /* only the linux version is qdev-ified, usb-bsd still needs this */
1403 if (strstart(devname, "host:", &p)) {
1404 dev = usb_host_device_open(usb_bus_find(-1), p);
1405 }
1406 #endif
1407 if (!dev)
1408 return -1;
1409
1410 done:
1411 return 0;
1412 }
1413
1414 static int usb_device_del(const char *devname)
1415 {
1416 int bus_num, addr;
1417 const char *p;
1418
1419 if (strstart(devname, "host:", &p)) {
1420 return -1;
1421 }
1422
1423 if (!usb_enabled()) {
1424 return -1;
1425 }
1426
1427 p = strchr(devname, '.');
1428 if (!p)
1429 return -1;
1430 bus_num = strtoul(devname, NULL, 0);
1431 addr = strtoul(p + 1, NULL, 0);
1432
1433 return usb_device_delete_addr(bus_num, addr);
1434 }
1435
1436 static int usb_parse(const char *cmdline)
1437 {
1438 int r;
1439 r = usb_device_add(cmdline);
1440 if (r < 0) {
1441 error_report("could not add USB device '%s'", cmdline);
1442 }
1443 return r;
1444 }
1445
1446 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1447 {
1448 const char *devname = qdict_get_str(qdict, "devname");
1449 if (usb_device_add(devname) < 0) {
1450 error_report("could not add USB device '%s'", devname);
1451 }
1452 }
1453
1454 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1455 {
1456 const char *devname = qdict_get_str(qdict, "devname");
1457 if (usb_device_del(devname) < 0) {
1458 error_report("could not delete USB device '%s'", devname);
1459 }
1460 }
1461
1462 /***********************************************************/
1463 /* machine registration */
1464
1465 MachineState *current_machine;
1466
1467 static MachineClass *find_machine(const char *name)
1468 {
1469 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1470 MachineClass *mc = NULL;
1471
1472 for (el = machines; el; el = el->next) {
1473 MachineClass *temp = el->data;
1474
1475 if (!strcmp(temp->name, name)) {
1476 mc = temp;
1477 break;
1478 }
1479 if (temp->alias &&
1480 !strcmp(temp->alias, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 }
1485
1486 g_slist_free(machines);
1487 return mc;
1488 }
1489
1490 MachineClass *find_default_machine(void)
1491 {
1492 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1493 MachineClass *mc = NULL;
1494
1495 for (el = machines; el; el = el->next) {
1496 MachineClass *temp = el->data;
1497
1498 if (temp->is_default) {
1499 mc = temp;
1500 break;
1501 }
1502 }
1503
1504 g_slist_free(machines);
1505 return mc;
1506 }
1507
1508 MachineInfoList *qmp_query_machines(Error **errp)
1509 {
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineInfoList *mach_list = NULL;
1512
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *mc = el->data;
1515 MachineInfoList *entry;
1516 MachineInfo *info;
1517
1518 info = g_malloc0(sizeof(*info));
1519 if (mc->is_default) {
1520 info->has_is_default = true;
1521 info->is_default = true;
1522 }
1523
1524 if (mc->alias) {
1525 info->has_alias = true;
1526 info->alias = g_strdup(mc->alias);
1527 }
1528
1529 info->name = g_strdup(mc->name);
1530 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1531
1532 entry = g_malloc0(sizeof(*entry));
1533 entry->value = info;
1534 entry->next = mach_list;
1535 mach_list = entry;
1536 }
1537
1538 g_slist_free(machines);
1539 return mach_list;
1540 }
1541
1542 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1543 {
1544 ObjectProperty *prop;
1545 ObjectPropertyIterator iter;
1546
1547 if (!qemu_opt_has_help_opt(opts)) {
1548 return 0;
1549 }
1550
1551 object_property_iter_init(&iter, OBJECT(machine));
1552 while ((prop = object_property_iter_next(&iter))) {
1553 if (!prop->set) {
1554 continue;
1555 }
1556
1557 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1558 prop->name, prop->type);
1559 if (prop->description) {
1560 error_printf(" (%s)\n", prop->description);
1561 } else {
1562 error_printf("\n");
1563 }
1564 }
1565
1566 return 1;
1567 }
1568
1569 /***********************************************************/
1570 /* main execution loop */
1571
1572 struct vm_change_state_entry {
1573 VMChangeStateHandler *cb;
1574 void *opaque;
1575 QLIST_ENTRY (vm_change_state_entry) entries;
1576 };
1577
1578 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1579
1580 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1581 void *opaque)
1582 {
1583 VMChangeStateEntry *e;
1584
1585 e = g_malloc0(sizeof (*e));
1586
1587 e->cb = cb;
1588 e->opaque = opaque;
1589 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1590 return e;
1591 }
1592
1593 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1594 {
1595 QLIST_REMOVE (e, entries);
1596 g_free (e);
1597 }
1598
1599 void vm_state_notify(int running, RunState state)
1600 {
1601 VMChangeStateEntry *e, *next;
1602
1603 trace_vm_state_notify(running, state);
1604
1605 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1606 e->cb(e->opaque, running, state);
1607 }
1608 }
1609
1610 /* reset/shutdown handler */
1611
1612 typedef struct QEMUResetEntry {
1613 QTAILQ_ENTRY(QEMUResetEntry) entry;
1614 QEMUResetHandler *func;
1615 void *opaque;
1616 } QEMUResetEntry;
1617
1618 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1619 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1620 static int reset_requested;
1621 static int shutdown_requested, shutdown_signal = -1;
1622 static pid_t shutdown_pid;
1623 static int powerdown_requested;
1624 static int debug_requested;
1625 static int suspend_requested;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1634
1635 int qemu_shutdown_requested_get(void)
1636 {
1637 return shutdown_requested;
1638 }
1639
1640 int qemu_reset_requested_get(void)
1641 {
1642 return reset_requested;
1643 }
1644
1645 static int qemu_shutdown_requested(void)
1646 {
1647 return atomic_xchg(&shutdown_requested, 0);
1648 }
1649
1650 static void qemu_kill_report(void)
1651 {
1652 if (!qtest_driver() && shutdown_signal != -1) {
1653 if (shutdown_pid == 0) {
1654 /* This happens for eg ^C at the terminal, so it's worth
1655 * avoiding printing an odd message in that case.
1656 */
1657 error_report("terminating on signal %d", shutdown_signal);
1658 } else {
1659 error_report("terminating on signal %d from pid " FMT_pid,
1660 shutdown_signal, shutdown_pid);
1661 }
1662 shutdown_signal = -1;
1663 }
1664 }
1665
1666 static int qemu_reset_requested(void)
1667 {
1668 int r = reset_requested;
1669 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1670 reset_requested = 0;
1671 return r;
1672 }
1673 return false;
1674 }
1675
1676 static int qemu_suspend_requested(void)
1677 {
1678 int r = suspend_requested;
1679 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1680 suspend_requested = 0;
1681 return r;
1682 }
1683 return false;
1684 }
1685
1686 static WakeupReason qemu_wakeup_requested(void)
1687 {
1688 return wakeup_reason;
1689 }
1690
1691 static int qemu_powerdown_requested(void)
1692 {
1693 int r = powerdown_requested;
1694 powerdown_requested = 0;
1695 return r;
1696 }
1697
1698 static int qemu_debug_requested(void)
1699 {
1700 int r = debug_requested;
1701 debug_requested = 0;
1702 return r;
1703 }
1704
1705 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1706 {
1707 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1708
1709 re->func = func;
1710 re->opaque = opaque;
1711 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1712 }
1713
1714 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1715 {
1716 QEMUResetEntry *re;
1717
1718 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1719 if (re->func == func && re->opaque == opaque) {
1720 QTAILQ_REMOVE(&reset_handlers, re, entry);
1721 g_free(re);
1722 return;
1723 }
1724 }
1725 }
1726
1727 void qemu_devices_reset(void)
1728 {
1729 QEMUResetEntry *re, *nre;
1730
1731 /* reset all devices */
1732 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1733 re->func(re->opaque);
1734 }
1735 }
1736
1737 void qemu_system_reset(bool report)
1738 {
1739 MachineClass *mc;
1740
1741 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1742
1743 cpu_synchronize_all_states();
1744
1745 if (mc && mc->reset) {
1746 mc->reset();
1747 } else {
1748 qemu_devices_reset();
1749 }
1750 if (report) {
1751 qapi_event_send_reset(&error_abort);
1752 }
1753 cpu_synchronize_all_post_reset();
1754 }
1755
1756 void qemu_system_guest_panicked(void)
1757 {
1758 if (current_cpu) {
1759 current_cpu->crash_occurred = true;
1760 }
1761 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1762 vm_stop(RUN_STATE_GUEST_PANICKED);
1763 }
1764
1765 void qemu_system_reset_request(void)
1766 {
1767 if (no_reboot) {
1768 shutdown_requested = 1;
1769 } else {
1770 reset_requested = 1;
1771 }
1772 cpu_stop_current();
1773 qemu_notify_event();
1774 }
1775
1776 static void qemu_system_suspend(void)
1777 {
1778 pause_all_vcpus();
1779 notifier_list_notify(&suspend_notifiers, NULL);
1780 runstate_set(RUN_STATE_SUSPENDED);
1781 qapi_event_send_suspend(&error_abort);
1782 }
1783
1784 void qemu_system_suspend_request(void)
1785 {
1786 if (runstate_check(RUN_STATE_SUSPENDED)) {
1787 return;
1788 }
1789 suspend_requested = 1;
1790 cpu_stop_current();
1791 qemu_notify_event();
1792 }
1793
1794 void qemu_register_suspend_notifier(Notifier *notifier)
1795 {
1796 notifier_list_add(&suspend_notifiers, notifier);
1797 }
1798
1799 void qemu_system_wakeup_request(WakeupReason reason)
1800 {
1801 trace_system_wakeup_request(reason);
1802
1803 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1804 return;
1805 }
1806 if (!(wakeup_reason_mask & (1 << reason))) {
1807 return;
1808 }
1809 runstate_set(RUN_STATE_RUNNING);
1810 wakeup_reason = reason;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1815 {
1816 if (enabled) {
1817 wakeup_reason_mask |= (1 << reason);
1818 } else {
1819 wakeup_reason_mask &= ~(1 << reason);
1820 }
1821 }
1822
1823 void qemu_register_wakeup_notifier(Notifier *notifier)
1824 {
1825 notifier_list_add(&wakeup_notifiers, notifier);
1826 }
1827
1828 void qemu_system_killed(int signal, pid_t pid)
1829 {
1830 shutdown_signal = signal;
1831 shutdown_pid = pid;
1832 no_shutdown = 0;
1833
1834 /* Cannot call qemu_system_shutdown_request directly because
1835 * we are in a signal handler.
1836 */
1837 shutdown_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_system_shutdown_request(void)
1842 {
1843 trace_qemu_system_shutdown_request();
1844 replay_shutdown_request();
1845 shutdown_requested = 1;
1846 qemu_notify_event();
1847 }
1848
1849 static void qemu_system_powerdown(void)
1850 {
1851 qapi_event_send_powerdown(&error_abort);
1852 notifier_list_notify(&powerdown_notifiers, NULL);
1853 }
1854
1855 void qemu_system_powerdown_request(void)
1856 {
1857 trace_qemu_system_powerdown_request();
1858 powerdown_requested = 1;
1859 qemu_notify_event();
1860 }
1861
1862 void qemu_register_powerdown_notifier(Notifier *notifier)
1863 {
1864 notifier_list_add(&powerdown_notifiers, notifier);
1865 }
1866
1867 void qemu_system_debug_request(void)
1868 {
1869 debug_requested = 1;
1870 qemu_notify_event();
1871 }
1872
1873 static bool main_loop_should_exit(void)
1874 {
1875 RunState r;
1876 if (qemu_debug_requested()) {
1877 vm_stop(RUN_STATE_DEBUG);
1878 }
1879 if (qemu_suspend_requested()) {
1880 qemu_system_suspend();
1881 }
1882 if (qemu_shutdown_requested()) {
1883 qemu_kill_report();
1884 qapi_event_send_shutdown(&error_abort);
1885 if (no_shutdown) {
1886 vm_stop(RUN_STATE_SHUTDOWN);
1887 } else {
1888 return true;
1889 }
1890 }
1891 if (qemu_reset_requested()) {
1892 pause_all_vcpus();
1893 qemu_system_reset(VMRESET_REPORT);
1894 resume_all_vcpus();
1895 if (!runstate_check(RUN_STATE_RUNNING) &&
1896 !runstate_check(RUN_STATE_INMIGRATE)) {
1897 runstate_set(RUN_STATE_PRELAUNCH);
1898 }
1899 }
1900 if (qemu_wakeup_requested()) {
1901 pause_all_vcpus();
1902 qemu_system_reset(VMRESET_SILENT);
1903 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1904 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1905 resume_all_vcpus();
1906 qapi_event_send_wakeup(&error_abort);
1907 }
1908 if (qemu_powerdown_requested()) {
1909 qemu_system_powerdown();
1910 }
1911 if (qemu_vmstop_requested(&r)) {
1912 vm_stop(r);
1913 }
1914 return false;
1915 }
1916
1917 static void main_loop(void)
1918 {
1919 bool nonblocking;
1920 int last_io = 0;
1921 #ifdef CONFIG_PROFILER
1922 int64_t ti;
1923 #endif
1924 do {
1925 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1926 #ifdef CONFIG_PROFILER
1927 ti = profile_getclock();
1928 #endif
1929 last_io = main_loop_wait(nonblocking);
1930 #ifdef CONFIG_PROFILER
1931 dev_time += profile_getclock() - ti;
1932 #endif
1933 } while (!main_loop_should_exit());
1934 }
1935
1936 static void version(void)
1937 {
1938 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1939 }
1940
1941 static void help(int exitcode)
1942 {
1943 version();
1944 printf("usage: %s [options] [disk_image]\n\n"
1945 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1946 error_get_progname());
1947
1948 #define QEMU_OPTIONS_GENERATE_HELP
1949 #include "qemu-options-wrapper.h"
1950
1951 printf("\nDuring emulation, the following keys are useful:\n"
1952 "ctrl-alt-f toggle full screen\n"
1953 "ctrl-alt-n switch to virtual console 'n'\n"
1954 "ctrl-alt toggle mouse and keyboard grab\n"
1955 "\n"
1956 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1957
1958 exit(exitcode);
1959 }
1960
1961 #define HAS_ARG 0x0001
1962
1963 typedef struct QEMUOption {
1964 const char *name;
1965 int flags;
1966 int index;
1967 uint32_t arch_mask;
1968 } QEMUOption;
1969
1970 static const QEMUOption qemu_options[] = {
1971 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1972 #define QEMU_OPTIONS_GENERATE_OPTIONS
1973 #include "qemu-options-wrapper.h"
1974 { NULL },
1975 };
1976
1977 typedef struct VGAInterfaceInfo {
1978 const char *opt_name; /* option name */
1979 const char *name; /* human-readable name */
1980 /* Class names indicating that support is available.
1981 * If no class is specified, the interface is always available */
1982 const char *class_names[2];
1983 } VGAInterfaceInfo;
1984
1985 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1986 [VGA_NONE] = {
1987 .opt_name = "none",
1988 },
1989 [VGA_STD] = {
1990 .opt_name = "std",
1991 .name = "standard VGA",
1992 .class_names = { "VGA", "isa-vga" },
1993 },
1994 [VGA_CIRRUS] = {
1995 .opt_name = "cirrus",
1996 .name = "Cirrus VGA",
1997 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1998 },
1999 [VGA_VMWARE] = {
2000 .opt_name = "vmware",
2001 .name = "VMWare SVGA",
2002 .class_names = { "vmware-svga" },
2003 },
2004 [VGA_VIRTIO] = {
2005 .opt_name = "virtio",
2006 .name = "Virtio VGA",
2007 .class_names = { "virtio-vga" },
2008 },
2009 [VGA_QXL] = {
2010 .opt_name = "qxl",
2011 .name = "QXL VGA",
2012 .class_names = { "qxl-vga" },
2013 },
2014 [VGA_TCX] = {
2015 .opt_name = "tcx",
2016 .name = "TCX framebuffer",
2017 .class_names = { "SUNW,tcx" },
2018 },
2019 [VGA_CG3] = {
2020 .opt_name = "cg3",
2021 .name = "CG3 framebuffer",
2022 .class_names = { "cgthree" },
2023 },
2024 [VGA_XENFB] = {
2025 .opt_name = "xenfb",
2026 },
2027 };
2028
2029 static bool vga_interface_available(VGAInterfaceType t)
2030 {
2031 VGAInterfaceInfo *ti = &vga_interfaces[t];
2032
2033 assert(t < VGA_TYPE_MAX);
2034 return !ti->class_names[0] ||
2035 object_class_by_name(ti->class_names[0]) ||
2036 object_class_by_name(ti->class_names[1]);
2037 }
2038
2039 static void select_vgahw(const char *p)
2040 {
2041 const char *opts;
2042 int t;
2043
2044 assert(vga_interface_type == VGA_NONE);
2045 for (t = 0; t < VGA_TYPE_MAX; t++) {
2046 VGAInterfaceInfo *ti = &vga_interfaces[t];
2047 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2048 if (!vga_interface_available(t)) {
2049 error_report("%s not available", ti->name);
2050 exit(1);
2051 }
2052 vga_interface_type = t;
2053 break;
2054 }
2055 }
2056 if (t == VGA_TYPE_MAX) {
2057 invalid_vga:
2058 error_report("unknown vga type: %s", p);
2059 exit(1);
2060 }
2061 while (*opts) {
2062 const char *nextopt;
2063
2064 if (strstart(opts, ",retrace=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "dumb", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_DUMB;
2068 else if (strstart(opts, "precise", &nextopt))
2069 vga_retrace_method = VGA_RETRACE_PRECISE;
2070 else goto invalid_vga;
2071 } else goto invalid_vga;
2072 opts = nextopt;
2073 }
2074 }
2075
2076 typedef enum DisplayType {
2077 DT_DEFAULT,
2078 DT_CURSES,
2079 DT_SDL,
2080 DT_COCOA,
2081 DT_GTK,
2082 DT_NONE,
2083 } DisplayType;
2084
2085 static DisplayType select_display(const char *p)
2086 {
2087 const char *opts;
2088 DisplayType display = DT_DEFAULT;
2089
2090 if (strstart(p, "sdl", &opts)) {
2091 #ifdef CONFIG_SDL
2092 display = DT_SDL;
2093 while (*opts) {
2094 const char *nextopt;
2095
2096 if (strstart(opts, ",frame=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 no_frame = 0;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 no_frame = 1;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 alt_grab = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 alt_grab = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 ctrl_grab = 1;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 ctrl_grab = 0;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",window_close=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 no_quit = 0;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 no_quit = 1;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",gl=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 request_opengl = 1;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 request_opengl = 0;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else {
2142 invalid_sdl_args:
2143 error_report("invalid SDL option string");
2144 exit(1);
2145 }
2146 opts = nextopt;
2147 }
2148 #else
2149 error_report("SDL support is disabled");
2150 exit(1);
2151 #endif
2152 } else if (strstart(p, "vnc", &opts)) {
2153 if (*opts == '=') {
2154 vnc_parse(opts + 1, &error_fatal);
2155 } else {
2156 error_report("VNC requires a display argument vnc=<display>");
2157 exit(1);
2158 }
2159 } else if (strstart(p, "curses", &opts)) {
2160 #ifdef CONFIG_CURSES
2161 display = DT_CURSES;
2162 #else
2163 error_report("curses support is disabled");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "gtk", &opts)) {
2167 #ifdef CONFIG_GTK
2168 display = DT_GTK;
2169 while (*opts) {
2170 const char *nextopt;
2171
2172 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2173 opts = nextopt;
2174 if (strstart(opts, "on", &nextopt)) {
2175 grab_on_hover = true;
2176 } else if (strstart(opts, "off", &nextopt)) {
2177 grab_on_hover = false;
2178 } else {
2179 goto invalid_gtk_args;
2180 }
2181 } else if (strstart(opts, ",gl=", &nextopt)) {
2182 opts = nextopt;
2183 if (strstart(opts, "on", &nextopt)) {
2184 request_opengl = 1;
2185 } else if (strstart(opts, "off", &nextopt)) {
2186 request_opengl = 0;
2187 } else {
2188 goto invalid_gtk_args;
2189 }
2190 } else {
2191 invalid_gtk_args:
2192 error_report("invalid GTK option string");
2193 exit(1);
2194 }
2195 opts = nextopt;
2196 }
2197 #else
2198 error_report("GTK support is disabled");
2199 exit(1);
2200 #endif
2201 } else if (strstart(p, "none", &opts)) {
2202 display = DT_NONE;
2203 } else {
2204 error_report("unknown display type");
2205 exit(1);
2206 }
2207
2208 return display;
2209 }
2210
2211 static int balloon_parse(const char *arg)
2212 {
2213 QemuOpts *opts;
2214
2215 if (strcmp(arg, "none") == 0) {
2216 return 0;
2217 }
2218
2219 if (!strncmp(arg, "virtio", 6)) {
2220 if (arg[6] == ',') {
2221 /* have params -> parse them */
2222 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2223 false);
2224 if (!opts)
2225 return -1;
2226 } else {
2227 /* create empty opts */
2228 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2229 &error_abort);
2230 }
2231 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2232 return 0;
2233 }
2234
2235 return -1;
2236 }
2237
2238 char *qemu_find_file(int type, const char *name)
2239 {
2240 int i;
2241 const char *subdir;
2242 char *buf;
2243
2244 /* Try the name as a straight path first */
2245 if (access(name, R_OK) == 0) {
2246 trace_load_file(name, name);
2247 return g_strdup(name);
2248 }
2249
2250 switch (type) {
2251 case QEMU_FILE_TYPE_BIOS:
2252 subdir = "";
2253 break;
2254 case QEMU_FILE_TYPE_KEYMAP:
2255 subdir = "keymaps/";
2256 break;
2257 default:
2258 abort();
2259 }
2260
2261 for (i = 0; i < data_dir_idx; i++) {
2262 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2263 if (access(buf, R_OK) == 0) {
2264 trace_load_file(name, buf);
2265 return buf;
2266 }
2267 g_free(buf);
2268 }
2269 return NULL;
2270 }
2271
2272 static inline bool nonempty_str(const char *str)
2273 {
2274 return str && *str;
2275 }
2276
2277 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2278 {
2279 gchar *buf;
2280 size_t size;
2281 const char *name, *file, *str;
2282 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2283
2284 if (fw_cfg == NULL) {
2285 error_report("fw_cfg device not available");
2286 return -1;
2287 }
2288 name = qemu_opt_get(opts, "name");
2289 file = qemu_opt_get(opts, "file");
2290 str = qemu_opt_get(opts, "string");
2291
2292 /* we need name and either a file or the content string */
2293 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2294 error_report("invalid argument(s)");
2295 return -1;
2296 }
2297 if (nonempty_str(file) && nonempty_str(str)) {
2298 error_report("file and string are mutually exclusive");
2299 return -1;
2300 }
2301 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2302 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2303 return -1;
2304 }
2305 if (strncmp(name, "opt/", 4) != 0) {
2306 error_report("warning: externally provided fw_cfg item names "
2307 "should be prefixed with \"opt/\"");
2308 }
2309 if (nonempty_str(str)) {
2310 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2311 buf = g_memdup(str, size);
2312 } else {
2313 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2314 error_report("can't load %s", file);
2315 return -1;
2316 }
2317 }
2318 /* For legacy, keep user files in a specific global order. */
2319 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2320 fw_cfg_add_file(fw_cfg, name, buf, size);
2321 fw_cfg_reset_order_override(fw_cfg);
2322 return 0;
2323 }
2324
2325 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2326 {
2327 return qdev_device_help(opts);
2328 }
2329
2330 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 Error *err = NULL;
2333 DeviceState *dev;
2334
2335 dev = qdev_device_add(opts, &err);
2336 if (!dev) {
2337 error_report_err(err);
2338 return -1;
2339 }
2340 object_unref(OBJECT(dev));
2341 return 0;
2342 }
2343
2344 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 Error *local_err = NULL;
2347
2348 qemu_chr_new_from_opts(opts, NULL, &local_err);
2349 if (local_err) {
2350 error_report_err(local_err);
2351 return -1;
2352 }
2353 return 0;
2354 }
2355
2356 #ifdef CONFIG_VIRTFS
2357 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 int ret;
2360 ret = qemu_fsdev_add(opts);
2361
2362 return ret;
2363 }
2364 #endif
2365
2366 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 CharDriverState *chr;
2369 const char *chardev;
2370 const char *mode;
2371 int flags;
2372
2373 mode = qemu_opt_get(opts, "mode");
2374 if (mode == NULL) {
2375 mode = "readline";
2376 }
2377 if (strcmp(mode, "readline") == 0) {
2378 flags = MONITOR_USE_READLINE;
2379 } else if (strcmp(mode, "control") == 0) {
2380 flags = MONITOR_USE_CONTROL;
2381 } else {
2382 error_report("unknown monitor mode \"%s\"", mode);
2383 exit(1);
2384 }
2385
2386 if (qemu_opt_get_bool(opts, "pretty", 0))
2387 flags |= MONITOR_USE_PRETTY;
2388
2389 if (qemu_opt_get_bool(opts, "default", 0))
2390 flags |= MONITOR_IS_DEFAULT;
2391
2392 chardev = qemu_opt_get(opts, "chardev");
2393 chr = qemu_chr_find(chardev);
2394 if (chr == NULL) {
2395 error_report("chardev \"%s\" not found", chardev);
2396 exit(1);
2397 }
2398
2399 qemu_chr_fe_claim_no_fail(chr);
2400 monitor_init(chr, flags);
2401 return 0;
2402 }
2403
2404 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 {
2406 static int monitor_device_index = 0;
2407 QemuOpts *opts;
2408 const char *p;
2409 char label[32];
2410 int def = 0;
2411
2412 if (strstart(optarg, "chardev:", &p)) {
2413 snprintf(label, sizeof(label), "%s", p);
2414 } else {
2415 snprintf(label, sizeof(label), "compat_monitor%d",
2416 monitor_device_index);
2417 if (monitor_device_index == 0) {
2418 def = 1;
2419 }
2420 opts = qemu_chr_parse_compat(label, optarg);
2421 if (!opts) {
2422 error_report("parse error: %s", optarg);
2423 exit(1);
2424 }
2425 }
2426
2427 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2428 qemu_opt_set(opts, "mode", mode, &error_abort);
2429 qemu_opt_set(opts, "chardev", label, &error_abort);
2430 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2431 if (def)
2432 qemu_opt_set(opts, "default", "on", &error_abort);
2433 monitor_device_index++;
2434 }
2435
2436 struct device_config {
2437 enum {
2438 DEV_USB, /* -usbdevice */
2439 DEV_BT, /* -bt */
2440 DEV_SERIAL, /* -serial */
2441 DEV_PARALLEL, /* -parallel */
2442 DEV_VIRTCON, /* -virtioconsole */
2443 DEV_DEBUGCON, /* -debugcon */
2444 DEV_GDB, /* -gdb, -s */
2445 DEV_SCLP, /* s390 sclp */
2446 } type;
2447 const char *cmdline;
2448 Location loc;
2449 QTAILQ_ENTRY(device_config) next;
2450 };
2451
2452 static QTAILQ_HEAD(, device_config) device_configs =
2453 QTAILQ_HEAD_INITIALIZER(device_configs);
2454
2455 static void add_device_config(int type, const char *cmdline)
2456 {
2457 struct device_config *conf;
2458
2459 conf = g_malloc0(sizeof(*conf));
2460 conf->type = type;
2461 conf->cmdline = cmdline;
2462 loc_save(&conf->loc);
2463 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2464 }
2465
2466 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2467 {
2468 struct device_config *conf;
2469 int rc;
2470
2471 QTAILQ_FOREACH(conf, &device_configs, next) {
2472 if (conf->type != type)
2473 continue;
2474 loc_push_restore(&conf->loc);
2475 rc = func(conf->cmdline);
2476 loc_pop(&conf->loc);
2477 if (rc) {
2478 return rc;
2479 }
2480 }
2481 return 0;
2482 }
2483
2484 static int serial_parse(const char *devname)
2485 {
2486 static int index = 0;
2487 char label[32];
2488
2489 if (strcmp(devname, "none") == 0)
2490 return 0;
2491 if (index == MAX_SERIAL_PORTS) {
2492 error_report("too many serial ports");
2493 exit(1);
2494 }
2495 snprintf(label, sizeof(label), "serial%d", index);
2496 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2497 if (!serial_hds[index]) {
2498 error_report("could not connect serial device"
2499 " to character backend '%s'", devname);
2500 return -1;
2501 }
2502 index++;
2503 return 0;
2504 }
2505
2506 static int parallel_parse(const char *devname)
2507 {
2508 static int index = 0;
2509 char label[32];
2510
2511 if (strcmp(devname, "none") == 0)
2512 return 0;
2513 if (index == MAX_PARALLEL_PORTS) {
2514 error_report("too many parallel ports");
2515 exit(1);
2516 }
2517 snprintf(label, sizeof(label), "parallel%d", index);
2518 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2519 if (!parallel_hds[index]) {
2520 error_report("could not connect parallel device"
2521 " to character backend '%s'", devname);
2522 return -1;
2523 }
2524 index++;
2525 return 0;
2526 }
2527
2528 static int virtcon_parse(const char *devname)
2529 {
2530 QemuOptsList *device = qemu_find_opts("device");
2531 static int index = 0;
2532 char label[32];
2533 QemuOpts *bus_opts, *dev_opts;
2534
2535 if (strcmp(devname, "none") == 0)
2536 return 0;
2537 if (index == MAX_VIRTIO_CONSOLES) {
2538 error_report("too many virtio consoles");
2539 exit(1);
2540 }
2541
2542 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2543 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2544
2545 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2546 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2547
2548 snprintf(label, sizeof(label), "virtcon%d", index);
2549 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2550 if (!virtcon_hds[index]) {
2551 error_report("could not connect virtio console"
2552 " to character backend '%s'", devname);
2553 return -1;
2554 }
2555 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2556
2557 index++;
2558 return 0;
2559 }
2560
2561 static int sclp_parse(const char *devname)
2562 {
2563 QemuOptsList *device = qemu_find_opts("device");
2564 static int index = 0;
2565 char label[32];
2566 QemuOpts *dev_opts;
2567
2568 if (strcmp(devname, "none") == 0) {
2569 return 0;
2570 }
2571 if (index == MAX_SCLP_CONSOLES) {
2572 error_report("too many sclp consoles");
2573 exit(1);
2574 }
2575
2576 assert(arch_type == QEMU_ARCH_S390X);
2577
2578 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2579 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2580
2581 snprintf(label, sizeof(label), "sclpcon%d", index);
2582 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2583 if (!sclp_hds[index]) {
2584 error_report("could not connect sclp console"
2585 " to character backend '%s'", devname);
2586 return -1;
2587 }
2588 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2589
2590 index++;
2591 return 0;
2592 }
2593
2594 static int debugcon_parse(const char *devname)
2595 {
2596 QemuOpts *opts;
2597
2598 if (!qemu_chr_new("debugcon", devname, NULL)) {
2599 exit(1);
2600 }
2601 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2602 if (!opts) {
2603 error_report("already have a debugcon device");
2604 exit(1);
2605 }
2606 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2607 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2608 return 0;
2609 }
2610
2611 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2612 {
2613 const MachineClass *mc1 = a, *mc2 = b;
2614 int res;
2615
2616 if (mc1->family == NULL) {
2617 if (mc2->family == NULL) {
2618 /* Compare standalone machine types against each other; they sort
2619 * in increasing order.
2620 */
2621 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2622 object_class_get_name(OBJECT_CLASS(mc2)));
2623 }
2624
2625 /* Standalone machine types sort after families. */
2626 return 1;
2627 }
2628
2629 if (mc2->family == NULL) {
2630 /* Families sort before standalone machine types. */
2631 return -1;
2632 }
2633
2634 /* Families sort between each other alphabetically increasingly. */
2635 res = strcmp(mc1->family, mc2->family);
2636 if (res != 0) {
2637 return res;
2638 }
2639
2640 /* Within the same family, machine types sort in decreasing order. */
2641 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2642 object_class_get_name(OBJECT_CLASS(mc1)));
2643 }
2644
2645 static MachineClass *machine_parse(const char *name)
2646 {
2647 MachineClass *mc = NULL;
2648 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2649
2650 if (name) {
2651 mc = find_machine(name);
2652 }
2653 if (mc) {
2654 g_slist_free(machines);
2655 return mc;
2656 }
2657 if (name && !is_help_option(name)) {
2658 error_report("unsupported machine type");
2659 error_printf("Use -machine help to list supported machines\n");
2660 } else {
2661 printf("Supported machines are:\n");
2662 machines = g_slist_sort(machines, machine_class_cmp);
2663 for (el = machines; el; el = el->next) {
2664 MachineClass *mc = el->data;
2665 if (mc->alias) {
2666 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2667 }
2668 printf("%-20s %s%s\n", mc->name, mc->desc,
2669 mc->is_default ? " (default)" : "");
2670 }
2671 }
2672
2673 g_slist_free(machines);
2674 exit(!name || !is_help_option(name));
2675 }
2676
2677 void qemu_add_exit_notifier(Notifier *notify)
2678 {
2679 notifier_list_add(&exit_notifiers, notify);
2680 }
2681
2682 void qemu_remove_exit_notifier(Notifier *notify)
2683 {
2684 notifier_remove(notify);
2685 }
2686
2687 static void qemu_run_exit_notifiers(void)
2688 {
2689 notifier_list_notify(&exit_notifiers, NULL);
2690 }
2691
2692 static bool machine_init_done;
2693
2694 void qemu_add_machine_init_done_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&machine_init_done_notifiers, notify);
2697 if (machine_init_done) {
2698 notify->notify(notify, NULL);
2699 }
2700 }
2701
2702 static void qemu_run_machine_init_done_notifiers(void)
2703 {
2704 notifier_list_notify(&machine_init_done_notifiers, NULL);
2705 machine_init_done = true;
2706 }
2707
2708 static const QEMUOption *lookup_opt(int argc, char **argv,
2709 const char **poptarg, int *poptind)
2710 {
2711 const QEMUOption *popt;
2712 int optind = *poptind;
2713 char *r = argv[optind];
2714 const char *optarg;
2715
2716 loc_set_cmdline(argv, optind, 1);
2717 optind++;
2718 /* Treat --foo the same as -foo. */
2719 if (r[1] == '-')
2720 r++;
2721 popt = qemu_options;
2722 for(;;) {
2723 if (!popt->name) {
2724 error_report("invalid option");
2725 exit(1);
2726 }
2727 if (!strcmp(popt->name, r + 1))
2728 break;
2729 popt++;
2730 }
2731 if (popt->flags & HAS_ARG) {
2732 if (optind >= argc) {
2733 error_report("requires an argument");
2734 exit(1);
2735 }
2736 optarg = argv[optind++];
2737 loc_set_cmdline(argv, optind - 2, 2);
2738 } else {
2739 optarg = NULL;
2740 }
2741
2742 *poptarg = optarg;
2743 *poptind = optind;
2744
2745 return popt;
2746 }
2747
2748 static MachineClass *select_machine(void)
2749 {
2750 MachineClass *machine_class = find_default_machine();
2751 const char *optarg;
2752 QemuOpts *opts;
2753 Location loc;
2754
2755 loc_push_none(&loc);
2756
2757 opts = qemu_get_machine_opts();
2758 qemu_opts_loc_restore(opts);
2759
2760 optarg = qemu_opt_get(opts, "type");
2761 if (optarg) {
2762 machine_class = machine_parse(optarg);
2763 }
2764
2765 if (!machine_class) {
2766 error_report("No machine specified, and there is no default");
2767 error_printf("Use -machine help to list supported machines\n");
2768 exit(1);
2769 }
2770
2771 loc_pop(&loc);
2772 return machine_class;
2773 }
2774
2775 static int machine_set_property(void *opaque,
2776 const char *name, const char *value,
2777 Error **errp)
2778 {
2779 Object *obj = OBJECT(opaque);
2780 Error *local_err = NULL;
2781 char *c, *qom_name;
2782
2783 if (strcmp(name, "type") == 0) {
2784 return 0;
2785 }
2786
2787 qom_name = g_strdup(name);
2788 c = qom_name;
2789 while (*c++) {
2790 if (*c == '_') {
2791 *c = '-';
2792 }
2793 }
2794
2795 object_property_parse(obj, value, qom_name, &local_err);
2796 g_free(qom_name);
2797
2798 if (local_err) {
2799 error_report_err(local_err);
2800 return -1;
2801 }
2802
2803 return 0;
2804 }
2805
2806
2807 /*
2808 * Initial object creation happens before all other
2809 * QEMU data types are created. The majority of objects
2810 * can be created at this point. The rng-egd object
2811 * cannot be created here, as it depends on the chardev
2812 * already existing.
2813 */
2814 static bool object_create_initial(const char *type)
2815 {
2816 if (g_str_equal(type, "rng-egd")) {
2817 return false;
2818 }
2819
2820 /*
2821 * return false for concrete netfilters since
2822 * they depend on netdevs already existing
2823 */
2824 if (g_str_equal(type, "filter-buffer") ||
2825 g_str_equal(type, "filter-dump") ||
2826 g_str_equal(type, "filter-mirror") ||
2827 g_str_equal(type, "filter-redirector")) {
2828 return false;
2829 }
2830
2831 return true;
2832 }
2833
2834
2835 /*
2836 * The remainder of object creation happens after the
2837 * creation of chardev, fsdev, net clients and device data types.
2838 */
2839 static bool object_create_delayed(const char *type)
2840 {
2841 return !object_create_initial(type);
2842 }
2843
2844
2845 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2846 MachineClass *mc)
2847 {
2848 uint64_t sz;
2849 const char *mem_str;
2850 const char *maxmem_str, *slots_str;
2851 const ram_addr_t default_ram_size = mc->default_ram_size;
2852 QemuOpts *opts = qemu_find_opts_singleton("memory");
2853 Location loc;
2854
2855 loc_push_none(&loc);
2856 qemu_opts_loc_restore(opts);
2857
2858 sz = 0;
2859 mem_str = qemu_opt_get(opts, "size");
2860 if (mem_str) {
2861 if (!*mem_str) {
2862 error_report("missing 'size' option value");
2863 exit(EXIT_FAILURE);
2864 }
2865
2866 sz = qemu_opt_get_size(opts, "size", ram_size);
2867
2868 /* Fix up legacy suffix-less format */
2869 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2870 uint64_t overflow_check = sz;
2871
2872 sz <<= 20;
2873 if ((sz >> 20) != overflow_check) {
2874 error_report("too large 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877 }
2878 }
2879
2880 /* backward compatibility behaviour for case "-m 0" */
2881 if (sz == 0) {
2882 sz = default_ram_size;
2883 }
2884
2885 sz = QEMU_ALIGN_UP(sz, 8192);
2886 ram_size = sz;
2887 if (ram_size != sz) {
2888 error_report("ram size too large");
2889 exit(EXIT_FAILURE);
2890 }
2891
2892 /* store value for the future use */
2893 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2894 *maxram_size = ram_size;
2895
2896 maxmem_str = qemu_opt_get(opts, "maxmem");
2897 slots_str = qemu_opt_get(opts, "slots");
2898 if (maxmem_str && slots_str) {
2899 uint64_t slots;
2900
2901 sz = qemu_opt_get_size(opts, "maxmem", 0);
2902 slots = qemu_opt_get_number(opts, "slots", 0);
2903 if (sz < ram_size) {
2904 error_report("invalid value of -m option maxmem: "
2905 "maximum memory size (0x%" PRIx64 ") must be at least "
2906 "the initial memory size (0x" RAM_ADDR_FMT ")",
2907 sz, ram_size);
2908 exit(EXIT_FAILURE);
2909 } else if (sz > ram_size) {
2910 if (!slots) {
2911 error_report("invalid value of -m option: maxmem was "
2912 "specified, but no hotplug slots were specified");
2913 exit(EXIT_FAILURE);
2914 }
2915 } else if (slots) {
2916 error_report("invalid value of -m option maxmem: "
2917 "memory slots were specified but maximum memory size "
2918 "(0x%" PRIx64 ") is equal to the initial memory size "
2919 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 }
2922
2923 *maxram_size = sz;
2924 *ram_slots = slots;
2925 } else if ((!maxmem_str && slots_str) ||
2926 (maxmem_str && !slots_str)) {
2927 error_report("invalid -m option value: missing "
2928 "'%s' option", slots_str ? "maxmem" : "slots");
2929 exit(EXIT_FAILURE);
2930 }
2931
2932 loc_pop(&loc);
2933 }
2934
2935 int main(int argc, char **argv, char **envp)
2936 {
2937 int i;
2938 int snapshot, linux_boot;
2939 const char *initrd_filename;
2940 const char *kernel_filename, *kernel_cmdline;
2941 const char *boot_order = NULL;
2942 const char *boot_once = NULL;
2943 DisplayState *ds;
2944 int cyls, heads, secs, translation;
2945 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2946 QemuOptsList *olist;
2947 int optind;
2948 const char *optarg;
2949 const char *loadvm = NULL;
2950 MachineClass *machine_class;
2951 const char *cpu_model;
2952 const char *vga_model = NULL;
2953 const char *qtest_chrdev = NULL;
2954 const char *qtest_log = NULL;
2955 const char *pid_file = NULL;
2956 const char *incoming = NULL;
2957 int show_vnc_port = 0;
2958 bool defconfig = true;
2959 bool userconfig = true;
2960 bool nographic = false;
2961 DisplayType display_type = DT_DEFAULT;
2962 int display_remote = 0;
2963 const char *log_mask = NULL;
2964 const char *log_file = NULL;
2965 char *trace_file = NULL;
2966 ram_addr_t maxram_size;
2967 uint64_t ram_slots = 0;
2968 FILE *vmstate_dump_file = NULL;
2969 Error *main_loop_err = NULL;
2970 Error *err = NULL;
2971
2972 qemu_init_cpu_loop();
2973 qemu_mutex_lock_iothread();
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 module_call_init(MODULE_INIT_QOM);
2980
2981 qemu_add_opts(&qemu_drive_opts);
2982 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2983 qemu_add_drive_opts(&qemu_common_drive_opts);
2984 qemu_add_drive_opts(&qemu_drive_opts);
2985 qemu_add_opts(&qemu_chardev_opts);
2986 qemu_add_opts(&qemu_device_opts);
2987 qemu_add_opts(&qemu_netdev_opts);
2988 qemu_add_opts(&qemu_net_opts);
2989 qemu_add_opts(&qemu_rtc_opts);
2990 qemu_add_opts(&qemu_global_opts);
2991 qemu_add_opts(&qemu_mon_opts);
2992 qemu_add_opts(&qemu_trace_opts);
2993 qemu_add_opts(&qemu_option_rom_opts);
2994 qemu_add_opts(&qemu_machine_opts);
2995 qemu_add_opts(&qemu_mem_opts);
2996 qemu_add_opts(&qemu_smp_opts);
2997 qemu_add_opts(&qemu_boot_opts);
2998 qemu_add_opts(&qemu_sandbox_opts);
2999 qemu_add_opts(&qemu_add_fd_opts);
3000 qemu_add_opts(&qemu_object_opts);
3001 qemu_add_opts(&qemu_tpmdev_opts);
3002 qemu_add_opts(&qemu_realtime_opts);
3003 qemu_add_opts(&qemu_msg_opts);
3004 qemu_add_opts(&qemu_name_opts);
3005 qemu_add_opts(&qemu_numa_opts);
3006 qemu_add_opts(&qemu_icount_opts);
3007 qemu_add_opts(&qemu_semihosting_config_opts);
3008 qemu_add_opts(&qemu_fw_cfg_opts);
3009 module_call_init(MODULE_INIT_OPTS);
3010
3011 runstate_init();
3012
3013 if (qcrypto_init(&err) < 0) {
3014 error_reportf_err(err, "cannot initialize crypto: ");
3015 exit(1);
3016 }
3017 rtc_clock = QEMU_CLOCK_HOST;
3018
3019 QLIST_INIT (&vm_change_state_head);
3020 os_setup_early_signal_handling();
3021
3022 cpu_model = NULL;
3023 snapshot = 0;
3024 cyls = heads = secs = 0;
3025 translation = BIOS_ATA_TRANSLATION_AUTO;
3026
3027 nb_nics = 0;
3028
3029 bdrv_init_with_whitelist();
3030
3031 autostart = 1;
3032
3033 /* first pass of option parsing */
3034 optind = 1;
3035 while (optind < argc) {
3036 if (argv[optind][0] != '-') {
3037 /* disk image */
3038 optind++;
3039 } else {
3040 const QEMUOption *popt;
3041
3042 popt = lookup_opt(argc, argv, &optarg, &optind);
3043 switch (popt->index) {
3044 case QEMU_OPTION_nodefconfig:
3045 defconfig = false;
3046 break;
3047 case QEMU_OPTION_nouserconfig:
3048 userconfig = false;
3049 break;
3050 }
3051 }
3052 }
3053
3054 if (defconfig) {
3055 int ret;
3056 ret = qemu_read_default_config_files(userconfig);
3057 if (ret < 0) {
3058 exit(1);
3059 }
3060 }
3061
3062 /* second pass of option parsing */
3063 optind = 1;
3064 for(;;) {
3065 if (optind >= argc)
3066 break;
3067 if (argv[optind][0] != '-') {
3068 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3069 } else {
3070 const QEMUOption *popt;
3071
3072 popt = lookup_opt(argc, argv, &optarg, &optind);
3073 if (!(popt->arch_mask & arch_type)) {
3074 printf("Option %s not supported for this target\n", popt->name);
3075 exit(1);
3076 }
3077 switch(popt->index) {
3078 case QEMU_OPTION_no_kvm_irqchip: {
3079 olist = qemu_find_opts("machine");
3080 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3081 break;
3082 }
3083 case QEMU_OPTION_cpu:
3084 /* hw initialization will check this */
3085 cpu_model = optarg;
3086 break;
3087 case QEMU_OPTION_hda:
3088 {
3089 char buf[256];
3090 if (cyls == 0)
3091 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3092 else
3093 snprintf(buf, sizeof(buf),
3094 "%s,cyls=%d,heads=%d,secs=%d%s",
3095 HD_OPTS , cyls, heads, secs,
3096 translation == BIOS_ATA_TRANSLATION_LBA ?
3097 ",trans=lba" :
3098 translation == BIOS_ATA_TRANSLATION_NONE ?
3099 ",trans=none" : "");
3100 drive_add(IF_DEFAULT, 0, optarg, buf);
3101 break;
3102 }
3103 case QEMU_OPTION_hdb:
3104 case QEMU_OPTION_hdc:
3105 case QEMU_OPTION_hdd:
3106 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3107 HD_OPTS);
3108 break;
3109 case QEMU_OPTION_drive:
3110 if (drive_def(optarg) == NULL) {
3111 exit(1);
3112 }
3113 break;
3114 case QEMU_OPTION_set:
3115 if (qemu_set_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_global:
3119 if (qemu_global_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_mtdblock:
3123 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3124 break;
3125 case QEMU_OPTION_sd:
3126 drive_add(IF_SD, -1, optarg, SD_OPTS);
3127 break;
3128 case QEMU_OPTION_pflash:
3129 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3130 break;
3131 case QEMU_OPTION_snapshot:
3132 snapshot = 1;
3133 break;
3134 case QEMU_OPTION_hdachs:
3135 {
3136 const char *p;
3137 p = optarg;
3138 cyls = strtol(p, (char **)&p, 0);
3139 if (cyls < 1 || cyls > 16383)
3140 goto chs_fail;
3141 if (*p != ',')
3142 goto chs_fail;
3143 p++;
3144 heads = strtol(p, (char **)&p, 0);
3145 if (heads < 1 || heads > 16)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 secs = strtol(p, (char **)&p, 0);
3151 if (secs < 1 || secs > 63)
3152 goto chs_fail;
3153 if (*p == ',') {
3154 p++;
3155 if (!strcmp(p, "large")) {
3156 translation = BIOS_ATA_TRANSLATION_LARGE;
3157 } else if (!strcmp(p, "rechs")) {
3158 translation = BIOS_ATA_TRANSLATION_RECHS;
3159 } else if (!strcmp(p, "none")) {
3160 translation = BIOS_ATA_TRANSLATION_NONE;
3161 } else if (!strcmp(p, "lba")) {
3162 translation = BIOS_ATA_TRANSLATION_LBA;
3163 } else if (!strcmp(p, "auto")) {
3164 translation = BIOS_ATA_TRANSLATION_AUTO;
3165 } else {
3166 goto chs_fail;
3167 }
3168 } else if (*p != '\0') {
3169 chs_fail:
3170 error_report("invalid physical CHS format");
3171 exit(1);
3172 }
3173 if (hda_opts != NULL) {
3174 qemu_opt_set_number(hda_opts, "cyls", cyls,
3175 &error_abort);
3176 qemu_opt_set_number(hda_opts, "heads", heads,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "secs", secs,
3179 &error_abort);
3180 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3181 qemu_opt_set(hda_opts, "trans", "large",
3182 &error_abort);
3183 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3184 qemu_opt_set(hda_opts, "trans", "rechs",
3185 &error_abort);
3186 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3187 qemu_opt_set(hda_opts, "trans", "lba",
3188 &error_abort);
3189 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3190 qemu_opt_set(hda_opts, "trans", "none",
3191 &error_abort);
3192 }
3193 }
3194 }
3195 break;
3196 case QEMU_OPTION_numa:
3197 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3198 optarg, true);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 break;
3203 case QEMU_OPTION_display:
3204 display_type = select_display(optarg);
3205 break;
3206 case QEMU_OPTION_nographic:
3207 olist = qemu_find_opts("machine");
3208 qemu_opts_parse_noisily(olist, "graphics=off", false);
3209 nographic = true;
3210 display_type = DT_NONE;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 display_type = DT_CURSES;
3215 #else
3216 error_report("curses support is disabled");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3267 exit(1);
3268 }
3269 break;
3270 case QEMU_OPTION_net:
3271 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3272 exit(1);
3273 }
3274 break;
3275 #ifdef CONFIG_LIBISCSI
3276 case QEMU_OPTION_iscsi:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3278 optarg, false);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 #endif
3284 #ifdef CONFIG_SLIRP
3285 case QEMU_OPTION_tftp:
3286 error_report("The -tftp option is deprecated. "
3287 "Please use '-netdev user,tftp=...' instead.");
3288 legacy_tftp_prefix = optarg;
3289 break;
3290 case QEMU_OPTION_bootp:
3291 error_report("The -bootp option is deprecated. "
3292 "Please use '-netdev user,bootfile=...' instead.");
3293 legacy_bootp_filename = optarg;
3294 break;
3295 case QEMU_OPTION_redir:
3296 error_report("The -redir option is deprecated. "
3297 "Please use '-netdev user,hostfwd=...' instead.");
3298 if (net_slirp_redir(optarg) < 0)
3299 exit(1);
3300 break;
3301 #endif
3302 case QEMU_OPTION_bt:
3303 add_device_config(DEV_BT, optarg);
3304 break;
3305 case QEMU_OPTION_audio_help:
3306 AUD_help ();
3307 exit (0);
3308 break;
3309 case QEMU_OPTION_soundhw:
3310 select_soundhw (optarg);
3311 break;
3312 case QEMU_OPTION_h:
3313 help(0);
3314 break;
3315 case QEMU_OPTION_version:
3316 version();
3317 exit(0);
3318 break;
3319 case QEMU_OPTION_m:
3320 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3321 optarg, true);
3322 if (!opts) {
3323 exit(EXIT_FAILURE);
3324 }
3325 break;
3326 #ifdef CONFIG_TPM
3327 case QEMU_OPTION_tpmdev:
3328 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3329 exit(1);
3330 }
3331 break;
3332 #endif
3333 case QEMU_OPTION_mempath:
3334 mem_path = optarg;
3335 break;
3336 case QEMU_OPTION_mem_prealloc:
3337 mem_prealloc = 1;
3338 break;
3339 case QEMU_OPTION_d:
3340 log_mask = optarg;
3341 break;
3342 case QEMU_OPTION_D:
3343 log_file = optarg;
3344 break;
3345 case QEMU_OPTION_DFILTER:
3346 qemu_set_dfilter_ranges(optarg);
3347 break;
3348 case QEMU_OPTION_s:
3349 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3350 break;
3351 case QEMU_OPTION_gdb:
3352 add_device_config(DEV_GDB, optarg);
3353 break;
3354 case QEMU_OPTION_L:
3355 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3356 data_dir[data_dir_idx++] = optarg;
3357 }
3358 break;
3359 case QEMU_OPTION_bios:
3360 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3361 &error_abort);
3362 break;
3363 case QEMU_OPTION_singlestep:
3364 singlestep = 1;
3365 break;
3366 case QEMU_OPTION_S:
3367 autostart = 0;
3368 break;
3369 case QEMU_OPTION_k:
3370 keyboard_layout = optarg;
3371 break;
3372 case QEMU_OPTION_localtime:
3373 rtc_utc = 0;
3374 break;
3375 case QEMU_OPTION_vga:
3376 vga_model = optarg;
3377 default_vga = 0;
3378 break;
3379 case QEMU_OPTION_g:
3380 {
3381 const char *p;
3382 int w, h, depth;
3383 p = optarg;
3384 w = strtol(p, (char **)&p, 10);
3385 if (w <= 0) {
3386 graphic_error:
3387 error_report("invalid resolution or depth");
3388 exit(1);
3389 }
3390 if (*p != 'x')
3391 goto graphic_error;
3392 p++;
3393 h = strtol(p, (char **)&p, 10);
3394 if (h <= 0)
3395 goto graphic_error;
3396 if (*p == 'x') {
3397 p++;
3398 depth = strtol(p, (char **)&p, 10);
3399 if (depth != 8 && depth != 15 && depth != 16 &&
3400 depth != 24 && depth != 32)
3401 goto graphic_error;
3402 } else if (*p == '\0') {
3403 depth = graphic_depth;
3404 } else {
3405 goto graphic_error;
3406 }
3407
3408 graphic_width = w;
3409 graphic_height = h;
3410 graphic_depth = depth;
3411 }
3412 break;
3413 case QEMU_OPTION_echr:
3414 {
3415 char *r;
3416 term_escape_char = strtol(optarg, &r, 0);
3417 if (r == optarg)
3418 printf("Bad argument to echr\n");
3419 break;
3420 }
3421 case QEMU_OPTION_monitor:
3422 default_monitor = 0;
3423 if (strncmp(optarg, "none", 4)) {
3424 monitor_parse(optarg, "readline", false);
3425 }
3426 break;
3427 case QEMU_OPTION_qmp:
3428 monitor_parse(optarg, "control", false);
3429 default_monitor = 0;
3430 break;
3431 case QEMU_OPTION_qmp_pretty:
3432 monitor_parse(optarg, "control", true);
3433 default_monitor = 0;
3434 break;
3435 case QEMU_OPTION_mon:
3436 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3437 true);
3438 if (!opts) {
3439 exit(1);
3440 }
3441 default_monitor = 0;
3442 break;
3443 case QEMU_OPTION_chardev:
3444 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3445 optarg, true);
3446 if (!opts) {
3447 exit(1);
3448 }
3449 break;
3450 case QEMU_OPTION_fsdev:
3451 olist = qemu_find_opts("fsdev");
3452 if (!olist) {
3453 error_report("fsdev support is disabled");
3454 exit(1);
3455 }
3456 opts = qemu_opts_parse_noisily(olist, optarg, true);
3457 if (!opts) {
3458 exit(1);
3459 }
3460 break;
3461 case QEMU_OPTION_virtfs: {
3462 QemuOpts *fsdev;
3463 QemuOpts *device;
3464 const char *writeout, *sock_fd, *socket;
3465
3466 olist = qemu_find_opts("virtfs");
3467 if (!olist) {
3468 error_report("virtfs support is disabled");
3469 exit(1);
3470 }
3471 opts = qemu_opts_parse_noisily(olist, optarg, true);
3472 if (!opts) {
3473 exit(1);
3474 }
3475
3476 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3477 qemu_opt_get(opts, "mount_tag") == NULL) {
3478 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3479 exit(1);
3480 }
3481 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3482 qemu_opt_get(opts, "mount_tag"),
3483 1, NULL);
3484 if (!fsdev) {
3485 error_report("duplicate fsdev id: %s",
3486 qemu_opt_get(opts, "mount_tag"));
3487 exit(1);
3488 }
3489
3490 writeout = qemu_opt_get(opts, "writeout");
3491 if (writeout) {
3492 #ifdef CONFIG_SYNC_FILE_RANGE
3493 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3494 #else
3495 error_report("writeout=immediate not supported "
3496 "on this platform");
3497 exit(1);
3498 #endif
3499 }
3500 qemu_opt_set(fsdev, "fsdriver",
3501 qemu_opt_get(opts, "fsdriver"), &error_abort);
3502 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3503 &error_abort);
3504 qemu_opt_set(fsdev, "security_model",
3505 qemu_opt_get(opts, "security_model"),
3506 &error_abort);
3507 socket = qemu_opt_get(opts, "socket");
3508 if (socket) {
3509 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3510 }
3511 sock_fd = qemu_opt_get(opts, "sock_fd");
3512 if (sock_fd) {
3513 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3514 }
3515
3516 qemu_opt_set_bool(fsdev, "readonly",
3517 qemu_opt_get_bool(opts, "readonly", 0),
3518 &error_abort);
3519 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3520 &error_abort);
3521 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3522 qemu_opt_set(device, "fsdev",
3523 qemu_opt_get(opts, "mount_tag"), &error_abort);
3524 qemu_opt_set(device, "mount_tag",
3525 qemu_opt_get(opts, "mount_tag"), &error_abort);
3526 break;
3527 }
3528 case QEMU_OPTION_virtfs_synth: {
3529 QemuOpts *fsdev;
3530 QemuOpts *device;
3531
3532 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3533 1, NULL);
3534 if (!fsdev) {
3535 error_report("duplicate option: %s", "virtfs_synth");
3536 exit(1);
3537 }
3538 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3539
3540 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3541 &error_abort);
3542 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3543 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3544 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3545 break;
3546 }
3547 case QEMU_OPTION_serial:
3548 add_device_config(DEV_SERIAL, optarg);
3549 default_serial = 0;
3550 if (strncmp(optarg, "mon:", 4) == 0) {
3551 default_monitor = 0;
3552 }
3553 break;
3554 case QEMU_OPTION_watchdog:
3555 if (watchdog) {
3556 error_report("only one watchdog option may be given");
3557 return 1;
3558 }
3559 watchdog = optarg;
3560 break;
3561 case QEMU_OPTION_watchdog_action:
3562 if (select_watchdog_action(optarg) == -1) {
3563 error_report("unknown -watchdog-action parameter");
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_virtiocon:
3568 add_device_config(DEV_VIRTCON, optarg);
3569 default_virtcon = 0;
3570 if (strncmp(optarg, "mon:", 4) == 0) {
3571 default_monitor = 0;
3572 }
3573 break;
3574 case QEMU_OPTION_parallel:
3575 add_device_config(DEV_PARALLEL, optarg);
3576 default_parallel = 0;
3577 if (strncmp(optarg, "mon:", 4) == 0) {
3578 default_monitor = 0;
3579 }
3580 break;
3581 case QEMU_OPTION_debugcon:
3582 add_device_config(DEV_DEBUGCON, optarg);
3583 break;
3584 case QEMU_OPTION_loadvm:
3585 loadvm = optarg;
3586 break;
3587 case QEMU_OPTION_full_screen:
3588 full_screen = 1;
3589 break;
3590 case QEMU_OPTION_no_frame:
3591 no_frame = 1;
3592 break;
3593 case QEMU_OPTION_alt_grab:
3594 alt_grab = 1;
3595 break;
3596 case QEMU_OPTION_ctrl_grab:
3597 ctrl_grab = 1;
3598 break;
3599 case QEMU_OPTION_no_quit:
3600 no_quit = 1;
3601 break;
3602 case QEMU_OPTION_sdl:
3603 #ifdef CONFIG_SDL
3604 display_type = DT_SDL;
3605 break;
3606 #else
3607 error_report("SDL support is disabled");
3608 exit(1);
3609 #endif
3610 case QEMU_OPTION_pidfile:
3611 pid_file = optarg;
3612 break;
3613 case QEMU_OPTION_win2k_hack:
3614 win2k_install_hack = 1;
3615 break;
3616 case QEMU_OPTION_rtc_td_hack: {
3617 static GlobalProperty slew_lost_ticks = {
3618 .driver = "mc146818rtc",
3619 .property = "lost_tick_policy",
3620 .value = "slew",
3621 };
3622
3623 qdev_prop_register_global(&slew_lost_ticks);
3624 break;
3625 }
3626 case QEMU_OPTION_acpitable:
3627 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3628 optarg, true);
3629 if (!opts) {
3630 exit(1);
3631 }
3632 do_acpitable_option(opts);
3633 break;
3634 case QEMU_OPTION_smbios:
3635 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3636 optarg, false);
3637 if (!opts) {
3638 exit(1);
3639 }
3640 do_smbios_option(opts);
3641 break;
3642 case QEMU_OPTION_fwcfg:
3643 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3644 optarg, true);
3645 if (opts == NULL) {
3646 exit(1);
3647 }
3648 break;
3649 case QEMU_OPTION_enable_kvm:
3650 olist = qemu_find_opts("machine");
3651 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3652 break;
3653 case QEMU_OPTION_M:
3654 case QEMU_OPTION_machine:
3655 olist = qemu_find_opts("machine");
3656 opts = qemu_opts_parse_noisily(olist, optarg, true);
3657 if (!opts) {
3658 exit(1);
3659 }
3660 break;
3661 case QEMU_OPTION_no_kvm:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3664 break;
3665 case QEMU_OPTION_no_kvm_pit: {
3666 error_report("warning: ignoring deprecated option");
3667 break;
3668 }
3669 case QEMU_OPTION_no_kvm_pit_reinjection: {
3670 static GlobalProperty kvm_pit_lost_tick_policy = {
3671 .driver = "kvm-pit",
3672 .property = "lost_tick_policy",
3673 .value = "discard",
3674 };
3675
3676 error_report("warning: deprecated, replaced by "
3677 "-global kvm-pit.lost_tick_policy=discard");
3678 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3679 break;
3680 }
3681 case QEMU_OPTION_usb:
3682 olist = qemu_find_opts("machine");
3683 qemu_opts_parse_noisily(olist, "usb=on", false);
3684 break;
3685 case QEMU_OPTION_usbdevice:
3686 olist = qemu_find_opts("machine");
3687 qemu_opts_parse_noisily(olist, "usb=on", false);
3688 add_device_config(DEV_USB, optarg);
3689 break;
3690 case QEMU_OPTION_device:
3691 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3692 optarg, true)) {
3693 exit(1);
3694 }
3695 break;
3696 case QEMU_OPTION_smp:
3697 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3698 optarg, true)) {
3699 exit(1);
3700 }
3701 break;
3702 case QEMU_OPTION_vnc:
3703 vnc_parse(optarg, &error_fatal);
3704 break;
3705 case QEMU_OPTION_no_acpi:
3706 acpi_enabled = 0;
3707 break;
3708 case QEMU_OPTION_no_hpet:
3709 no_hpet = 1;
3710 break;
3711 case QEMU_OPTION_balloon:
3712 if (balloon_parse(optarg) < 0) {
3713 error_report("unknown -balloon argument %s", optarg);
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_no_reboot:
3718 no_reboot = 1;
3719 break;
3720 case QEMU_OPTION_no_shutdown:
3721 no_shutdown = 1;
3722 break;
3723 case QEMU_OPTION_show_cursor:
3724 cursor_hide = 0;
3725 break;
3726 case QEMU_OPTION_uuid:
3727 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3728 error_report("failed to parse UUID string: wrong format");
3729 exit(1);
3730 }
3731 qemu_uuid_set = true;
3732 break;
3733 case QEMU_OPTION_option_rom:
3734 if (nb_option_roms >= MAX_OPTION_ROMS) {
3735 error_report("too many option ROMs");
3736 exit(1);
3737 }
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3739 optarg, true);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3744 option_rom[nb_option_roms].bootindex =
3745 qemu_opt_get_number(opts, "bootindex", -1);
3746 if (!option_rom[nb_option_roms].name) {
3747 error_report("Option ROM file is not specified");
3748 exit(1);
3749 }
3750 nb_option_roms++;
3751 break;
3752 case QEMU_OPTION_semihosting:
3753 semihosting.enabled = true;
3754 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3755 break;
3756 case QEMU_OPTION_semihosting_config:
3757 semihosting.enabled = true;
3758 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3759 optarg, false);
3760 if (opts != NULL) {
3761 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3762 true);
3763 const char *target = qemu_opt_get(opts, "target");
3764 if (target != NULL) {
3765 if (strcmp("native", target) == 0) {
3766 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3767 } else if (strcmp("gdb", target) == 0) {
3768 semihosting.target = SEMIHOSTING_TARGET_GDB;
3769 } else if (strcmp("auto", target) == 0) {
3770 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3771 } else {
3772 error_report("unsupported semihosting-config %s",
3773 optarg);
3774 exit(1);
3775 }
3776 } else {
3777 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3778 }
3779 /* Set semihosting argument count and vector */
3780 qemu_opt_foreach(opts, add_semihosting_arg,
3781 &semihosting, NULL);
3782 } else {
3783 error_report("unsupported semihosting-config %s", optarg);
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_tdf:
3788 error_report("warning: ignoring deprecated option");
3789 break;
3790 case QEMU_OPTION_name:
3791 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3792 optarg, true);
3793 if (!opts) {
3794 exit(1);
3795 }
3796 break;
3797 case QEMU_OPTION_prom_env:
3798 if (nb_prom_envs >= MAX_PROM_ENVS) {
3799 error_report("too many prom variables");
3800 exit(1);
3801 }
3802 prom_envs[nb_prom_envs] = optarg;
3803 nb_prom_envs++;
3804 break;
3805 case QEMU_OPTION_old_param:
3806 old_param = 1;
3807 break;
3808 case QEMU_OPTION_clock:
3809 /* Clock options no longer exist. Keep this option for
3810 * backward compatibility.
3811 */
3812 break;
3813 case QEMU_OPTION_startdate:
3814 configure_rtc_date_offset(optarg, 1);
3815 break;
3816 case QEMU_OPTION_rtc:
3817 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3818 false);
3819 if (!opts) {
3820 exit(1);
3821 }
3822 configure_rtc(opts);
3823 break;
3824 case QEMU_OPTION_tb_size:
3825 tcg_tb_size = strtol(optarg, NULL, 0);
3826 if (tcg_tb_size < 0) {
3827 tcg_tb_size = 0;
3828 }
3829 break;
3830 case QEMU_OPTION_icount:
3831 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3832 optarg, true);
3833 if (!icount_opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_incoming:
3838 if (!incoming) {
3839 runstate_set(RUN_STATE_INMIGRATE);
3840 }
3841 incoming = optarg;
3842 break;
3843 case QEMU_OPTION_nodefaults:
3844 has_defaults = 0;
3845 break;
3846 case QEMU_OPTION_xen_domid:
3847 if (!(xen_available())) {
3848 printf("Option %s not supported for this target\n", popt->name);
3849 exit(1);
3850 }
3851 xen_domid = atoi(optarg);
3852 break;
3853 case QEMU_OPTION_xen_create:
3854 if (!(xen_available())) {
3855 printf("Option %s not supported for this target\n", popt->name);
3856 exit(1);
3857 }
3858 xen_mode = XEN_CREATE;
3859 break;
3860 case QEMU_OPTION_xen_attach:
3861 if (!(xen_available())) {
3862 printf("Option %s not supported for this target\n", popt->name);
3863 exit(1);
3864 }
3865 xen_mode = XEN_ATTACH;
3866 break;
3867 case QEMU_OPTION_trace:
3868 {
3869 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3870 optarg, true);
3871 if (!opts) {
3872 exit(1);
3873 }
3874 if (qemu_opt_get(opts, "enable")) {
3875 trace_enable_events(qemu_opt_get(opts, "enable"));
3876 }
3877 trace_init_events(qemu_opt_get(opts, "events"));
3878 if (trace_file) {
3879 g_free(trace_file);
3880 }
3881 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3882 qemu_opts_del(opts);
3883 break;
3884 }
3885 case QEMU_OPTION_readconfig:
3886 {
3887 int ret = qemu_read_config_file(optarg);
3888 if (ret < 0) {
3889 error_report("read config %s: %s", optarg,
3890 strerror(-ret));
3891 exit(1);
3892 }
3893 break;
3894 }
3895 case QEMU_OPTION_spice:
3896 olist = qemu_find_opts("spice");
3897 if (!olist) {
3898 error_report("spice support is disabled");
3899 exit(1);
3900 }
3901 opts = qemu_opts_parse_noisily(olist, optarg, false);
3902 if (!opts) {
3903 exit(1);
3904 }
3905 display_remote++;
3906 break;
3907 case QEMU_OPTION_writeconfig:
3908 {
3909 FILE *fp;
3910 if (strcmp(optarg, "-") == 0) {
3911 fp = stdout;
3912 } else {
3913 fp = fopen(optarg, "w");
3914 if (fp == NULL) {
3915 error_report("open %s: %s", optarg,
3916 strerror(errno));
3917 exit(1);
3918 }
3919 }
3920 qemu_config_write(fp);
3921 if (fp != stdout) {
3922 fclose(fp);
3923 }
3924 break;
3925 }
3926 case QEMU_OPTION_qtest:
3927 qtest_chrdev = optarg;
3928 break;
3929 case QEMU_OPTION_qtest_log:
3930 qtest_log = optarg;
3931 break;
3932 case QEMU_OPTION_sandbox:
3933 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3934 optarg, true);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 break;
3939 case QEMU_OPTION_add_fd:
3940 #ifndef _WIN32
3941 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3942 optarg, false);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 #else
3947 error_report("File descriptor passing is disabled on this "
3948 "platform");
3949 exit(1);
3950 #endif
3951 break;
3952 case QEMU_OPTION_object:
3953 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3954 optarg, true);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 break;
3959 case QEMU_OPTION_realtime:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3961 optarg, false);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3966 break;
3967 case QEMU_OPTION_msg:
3968 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3969 false);
3970 if (!opts) {
3971 exit(1);
3972 }
3973 configure_msg(opts);
3974 break;
3975 case QEMU_OPTION_dump_vmstate:
3976 if (vmstate_dump_file) {
3977 error_report("only one '-dump-vmstate' "
3978 "option may be given");
3979 exit(1);
3980 }
3981 vmstate_dump_file = fopen(optarg, "w");
3982 if (vmstate_dump_file == NULL) {
3983 error_report("open %s: %s", optarg, strerror(errno));
3984 exit(1);
3985 }
3986 break;
3987 default:
3988 os_parse_cmd_args(popt->index, optarg);
3989 }
3990 }
3991 }
3992 /*
3993 * Clear error location left behind by the loop.
3994 * Best done right after the loop. Do not insert code here!
3995 */
3996 loc_set_none();
3997
3998 replay_configure(icount_opts);
3999
4000 machine_class = select_machine();
4001
4002 set_memory_options(&ram_slots, &maxram_size, machine_class);
4003
4004 os_daemonize();
4005
4006 if (qemu_init_main_loop(&main_loop_err)) {
4007 error_report_err(main_loop_err);
4008 exit(1);
4009 }
4010
4011 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4012 parse_sandbox, NULL, NULL)) {
4013 exit(1);
4014 }
4015
4016 if (qemu_opts_foreach(qemu_find_opts("name"),
4017 parse_name, NULL, NULL)) {
4018 exit(1);
4019 }
4020
4021 #ifndef _WIN32
4022 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4023 parse_add_fd, NULL, NULL)) {
4024 exit(1);
4025 }
4026
4027 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4028 cleanup_add_fd, NULL, NULL)) {
4029 exit(1);
4030 }
4031 #endif
4032
4033 current_machine = MACHINE(object_new(object_class_get_name(
4034 OBJECT_CLASS(machine_class))));
4035 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4036 exit(0);
4037 }
4038 object_property_add_child(object_get_root(), "machine",
4039 OBJECT(current_machine), &error_abort);
4040 cpu_exec_init_all();
4041
4042 if (machine_class->hw_version) {
4043 qemu_set_hw_version(machine_class->hw_version);
4044 }
4045
4046 /* Init CPU def lists, based on config
4047 * - Must be called after all the qemu_read_config_file() calls
4048 * - Must be called before list_cpus()
4049 * - Must be called before machine_class->init()
4050 */
4051 cpudef_init();
4052
4053 if (cpu_model && is_help_option(cpu_model)) {
4054 list_cpus(stdout, &fprintf, cpu_model);
4055 exit(0);
4056 }
4057
4058 if (!trace_init_backends()) {
4059 exit(1);
4060 }
4061 trace_init_file(trace_file);
4062
4063 /* Open the logfile at this point and set the log mask if necessary.
4064 */
4065 if (log_file) {
4066 qemu_set_log_filename(log_file);
4067 }
4068
4069 if (log_mask) {
4070 int mask;
4071 mask = qemu_str_to_log_mask(log_mask);
4072 if (!mask) {
4073 qemu_print_log_usage(stdout);
4074 exit(1);
4075 }
4076 qemu_set_log(mask);
4077 } else {
4078 qemu_set_log(0);
4079 }
4080
4081 /* If no data_dir is specified then try to find it relative to the
4082 executable path. */
4083 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4084 data_dir[data_dir_idx] = os_find_datadir();
4085 if (data_dir[data_dir_idx] != NULL) {
4086 data_dir_idx++;
4087 }
4088 }
4089 /* If all else fails use the install path specified when building. */
4090 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4091 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4092 }
4093
4094 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4095
4096 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4097 if (max_cpus > machine_class->max_cpus) {
4098 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4099 "supported by machine '%s' (%d)", max_cpus,
4100 machine_class->name, machine_class->max_cpus);
4101 exit(1);
4102 }
4103
4104 /*
4105 * Get the default machine options from the machine if it is not already
4106 * specified either by the configuration file or by the command line.
4107 */
4108 if (machine_class->default_machine_opts) {
4109 qemu_opts_set_defaults(qemu_find_opts("machine"),
4110 machine_class->default_machine_opts, 0);
4111 }
4112
4113 qemu_opts_foreach(qemu_find_opts("device"),
4114 default_driver_check, NULL, NULL);
4115 qemu_opts_foreach(qemu_find_opts("global"),
4116 default_driver_check, NULL, NULL);
4117
4118 if (!vga_model && !default_vga) {
4119 vga_interface_type = VGA_DEVICE;
4120 }
4121 if (!has_defaults || machine_class->no_serial) {
4122 default_serial = 0;
4123 }
4124 if (!has_defaults || machine_class->no_parallel) {
4125 default_parallel = 0;
4126 }
4127 if (!has_defaults || !machine_class->use_virtcon) {
4128 default_virtcon = 0;
4129 }
4130 if (!has_defaults || !machine_class->use_sclp) {
4131 default_sclp = 0;
4132 }
4133 if (!has_defaults || machine_class->no_floppy) {
4134 default_floppy = 0;
4135 }
4136 if (!has_defaults || machine_class->no_cdrom) {
4137 default_cdrom = 0;
4138 }
4139 if (!has_defaults || machine_class->no_sdcard) {
4140 default_sdcard = 0;
4141 }
4142 if (!has_defaults) {
4143 default_monitor = 0;
4144 default_net = 0;
4145 default_vga = 0;
4146 }
4147
4148 if (is_daemonized()) {
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4157 */
4158 if (nographic
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 error_report("-nographic cannot be used with -daemonize");
4162 exit(1);
4163 }
4164 #ifdef CONFIG_CURSES
4165 if (display_type == DT_CURSES) {
4166 error_report("curses display cannot be used with -daemonize");
4167 exit(1);
4168 }
4169 #endif
4170 }
4171
4172 if (nographic) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else if (default_sclp && default_monitor) {
4180 add_device_config(DEV_SCLP, "mon:stdio");
4181 } else {
4182 if (default_serial)
4183 add_device_config(DEV_SERIAL, "stdio");
4184 if (default_virtcon)
4185 add_device_config(DEV_VIRTCON, "stdio");
4186 if (default_sclp) {
4187 add_device_config(DEV_SCLP, "stdio");
4188 }
4189 if (default_monitor)
4190 monitor_parse("stdio", "readline", false);
4191 }
4192 } else {
4193 if (default_serial)
4194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4195 if (default_parallel)
4196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4197 if (default_monitor)
4198 monitor_parse("vc:80Cx24C", "readline", false);
4199 if (default_virtcon)
4200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4201 if (default_sclp) {
4202 add_device_config(DEV_SCLP, "vc:80Cx24C");
4203 }
4204 }
4205
4206 #if defined(CONFIG_VNC)
4207 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4208 display_remote++;
4209 }
4210 #endif
4211 if (display_type == DT_DEFAULT && !display_remote) {
4212 #if defined(CONFIG_GTK)
4213 display_type = DT_GTK;
4214 #elif defined(CONFIG_SDL)
4215 display_type = DT_SDL;
4216 #elif defined(CONFIG_COCOA)
4217 display_type = DT_COCOA;
4218 #elif defined(CONFIG_VNC)
4219 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4220 show_vnc_port = 1;
4221 #else
4222 display_type = DT_NONE;
4223 #endif
4224 }
4225
4226 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4227 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4228 "for SDL, ignoring option");
4229 }
4230 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4231 error_report("-no-quit is only valid for GTK and SDL, "
4232 "ignoring option");
4233 }
4234
4235 if (display_type == DT_GTK) {
4236 early_gtk_display_init(request_opengl);
4237 }
4238
4239 if (display_type == DT_SDL) {
4240 sdl_display_early_init(request_opengl);
4241 }
4242
4243 if (request_opengl == 1 && display_opengl == 0) {
4244 #if defined(CONFIG_OPENGL)
4245 error_report("OpenGL is not supported by the display");
4246 #else
4247 error_report("OpenGL support is disabled");
4248 #endif
4249 exit(1);
4250 }
4251
4252 page_size_init();
4253 socket_init();
4254
4255 if (qemu_opts_foreach(qemu_find_opts("object"),
4256 user_creatable_add_opts_foreach,
4257 object_create_initial, NULL)) {
4258 exit(1);
4259 }
4260
4261 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4262 chardev_init_func, NULL, NULL)) {
4263 exit(1);
4264 }
4265
4266 #ifdef CONFIG_VIRTFS
4267 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4268 fsdev_init_func, NULL, NULL)) {
4269 exit(1);
4270 }
4271 #endif
4272
4273 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4274 error_report("could not acquire pid file: %s", strerror(errno));
4275 exit(1);
4276 }
4277
4278 if (qemu_opts_foreach(qemu_find_opts("device"),
4279 device_help_func, NULL, NULL)) {
4280 exit(0);
4281 }
4282
4283 machine_opts = qemu_get_machine_opts();
4284 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4285 NULL)) {
4286 object_unref(OBJECT(current_machine));
4287 exit(1);
4288 }
4289
4290 configure_accelerator(current_machine);
4291
4292 if (qtest_chrdev) {
4293 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4294 }
4295
4296 machine_opts = qemu_get_machine_opts();
4297 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4298 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4299 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4300 bios_name = qemu_opt_get(machine_opts, "firmware");
4301
4302 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4303 if (opts) {
4304 boot_order = qemu_opt_get(opts, "order");
4305 if (boot_order) {
4306 validate_bootdevices(boot_order, &error_fatal);
4307 }
4308
4309 boot_once = qemu_opt_get(opts, "once");
4310 if (boot_once) {
4311 validate_bootdevices(boot_once, &error_fatal);
4312 }
4313
4314 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4315 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4316 }
4317
4318 if (!boot_order) {
4319 boot_order = machine_class->default_boot_order;
4320 }
4321
4322 if (!kernel_cmdline) {
4323 kernel_cmdline = "";
4324 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4325 }
4326
4327 linux_boot = (kernel_filename != NULL);
4328
4329 if (!linux_boot && *kernel_cmdline != '\0') {
4330 error_report("-append only allowed with -kernel option");
4331 exit(1);
4332 }
4333
4334 if (!linux_boot && initrd_filename != NULL) {
4335 error_report("-initrd only allowed with -kernel option");
4336 exit(1);
4337 }
4338
4339 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4340 error_report("-dtb only allowed with -kernel option");
4341 exit(1);
4342 }
4343
4344 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4345 /* fall back to the -kernel/-append */
4346 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4347 }
4348
4349 os_set_line_buffering();
4350
4351 /* spice needs the timers to be initialized by this point */
4352 qemu_spice_init();
4353
4354 cpu_ticks_init();
4355 if (icount_opts) {
4356 if (kvm_enabled() || xen_enabled()) {
4357 error_report("-icount is not allowed with kvm or xen");
4358 exit(1);
4359 }
4360 configure_icount(icount_opts, &error_abort);
4361 qemu_opts_del(icount_opts);
4362 }
4363
4364 /* clean up network at qemu process termination */
4365 atexit(&net_cleanup);
4366
4367 if (net_init_clients() < 0) {
4368 exit(1);
4369 }
4370
4371 if (qemu_opts_foreach(qemu_find_opts("object"),
4372 user_creatable_add_opts_foreach,
4373 object_create_delayed, NULL)) {
4374 exit(1);
4375 }
4376
4377 #ifdef CONFIG_TPM
4378 if (tpm_init() < 0) {
4379 exit(1);
4380 }
4381 #endif
4382
4383 /* init the bluetooth world */
4384 if (foreach_device_config(DEV_BT, bt_parse))
4385 exit(1);
4386
4387 if (!xen_enabled()) {
4388 /* On 32-bit hosts, QEMU is limited by virtual address space */
4389 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4390 error_report("at most 2047 MB RAM can be simulated");
4391 exit(1);
4392 }
4393 }
4394
4395 blk_mig_init();
4396 ram_mig_init();
4397
4398 /* If the currently selected machine wishes to override the units-per-bus
4399 * property of its default HBA interface type, do so now. */
4400 if (machine_class->units_per_default_bus) {
4401 override_max_devs(machine_class->block_default_type,
4402 machine_class->units_per_default_bus);
4403 }
4404
4405 /* open the virtual block devices */
4406 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4407 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4408 NULL, NULL);
4409 }
4410 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4411 &machine_class->block_default_type, NULL)) {
4412 exit(1);
4413 }
4414
4415 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4416 CDROM_OPTS);
4417 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4418 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4419
4420 parse_numa_opts(machine_class);
4421
4422 if (qemu_opts_foreach(qemu_find_opts("mon"),
4423 mon_init_func, NULL, NULL)) {
4424 exit(1);
4425 }
4426
4427 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4428 exit(1);
4429 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4430 exit(1);
4431 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4432 exit(1);
4433 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4434 exit(1);
4435 }
4436 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4437 exit(1);
4438
4439 /* If no default VGA is requested, the default is "none". */
4440 if (default_vga) {
4441 if (machine_class->default_display) {
4442 vga_model = machine_class->default_display;
4443 } else if (vga_interface_available(VGA_CIRRUS)) {
4444 vga_model = "cirrus";
4445 } else if (vga_interface_available(VGA_STD)) {
4446 vga_model = "std";
4447 }
4448 }
4449 if (vga_model) {
4450 select_vgahw(vga_model);
4451 }
4452
4453 if (watchdog) {
4454 i = select_watchdog(watchdog);
4455 if (i > 0)
4456 exit (i == 1 ? 1 : 0);
4457 }
4458
4459 if (machine_class->compat_props) {
4460 GlobalProperty *p;
4461 for (i = 0; i < machine_class->compat_props->len; i++) {
4462 p = g_array_index(machine_class->compat_props, GlobalProperty *, i);
4463 qdev_prop_register_global(p);
4464 }
4465 }
4466 qemu_add_globals();
4467
4468 /* This checkpoint is required by replay to separate prior clock
4469 reading from the other reads, because timer polling functions query
4470 clock values from the log. */
4471 replay_checkpoint(CHECKPOINT_INIT);
4472 qdev_machine_init();
4473
4474 current_machine->ram_size = ram_size;
4475 current_machine->maxram_size = maxram_size;
4476 current_machine->ram_slots = ram_slots;
4477 current_machine->boot_order = boot_order;
4478 current_machine->cpu_model = cpu_model;
4479
4480 machine_class->init(current_machine);
4481
4482 realtime_init();
4483
4484 audio_init();
4485
4486 cpu_synchronize_all_post_init();
4487
4488 numa_post_machine_init();
4489
4490 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4491 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4492 exit(1);
4493 }
4494
4495 /* init USB devices */
4496 if (usb_enabled()) {
4497 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4498 exit(1);
4499 }
4500
4501 /* Check if IGD GFX passthrough. */
4502 igd_gfx_passthru();
4503
4504 /* init generic devices */
4505 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4506 if (qemu_opts_foreach(qemu_find_opts("device"),
4507 device_init_func, NULL, NULL)) {
4508 exit(1);
4509 }
4510 rom_reset_order_override();
4511
4512 /* Did we create any drives that we failed to create a device for? */
4513 drive_check_orphaned();
4514
4515 net_check_clients();
4516
4517 if (boot_once) {
4518 qemu_boot_set(boot_once, &error_fatal);
4519 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4520 }
4521
4522 ds = init_displaystate();
4523
4524 /* init local displays */
4525 switch (display_type) {
4526 case DT_CURSES:
4527 curses_display_init(ds, full_screen);
4528 break;
4529 case DT_SDL:
4530 sdl_display_init(ds, full_screen, no_frame);
4531 break;
4532 case DT_COCOA:
4533 cocoa_display_init(ds, full_screen);
4534 break;
4535 case DT_GTK:
4536 gtk_display_init(ds, full_screen, grab_on_hover);
4537 break;
4538 default:
4539 break;
4540 }
4541
4542 /* must be after terminal init, SDL library changes signal handlers */
4543 os_setup_signal_handling();
4544
4545 /* init remote displays */
4546 qemu_opts_foreach(qemu_find_opts("vnc"),
4547 vnc_init_func, NULL, NULL);
4548 if (show_vnc_port) {
4549 char *ret = vnc_display_local_addr("default");
4550 printf("VNC server running on '%s'\n", ret);
4551 g_free(ret);
4552 }
4553
4554 if (using_spice) {
4555 qemu_spice_display_init();
4556 }
4557
4558 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4559 exit(1);
4560 }
4561
4562 qdev_machine_creation_done();
4563
4564 /* TODO: once all bus devices are qdevified, this should be done
4565 * when bus is created by qdev.c */
4566 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4567 qemu_run_machine_init_done_notifiers();
4568
4569 if (rom_check_and_register_reset() != 0) {
4570 error_report("rom check and register reset failed");
4571 exit(1);
4572 }
4573
4574 replay_start();
4575
4576 /* This checkpoint is required by replay to separate prior clock
4577 reading from the other reads, because timer polling functions query
4578 clock values from the log. */
4579 replay_checkpoint(CHECKPOINT_RESET);
4580 qemu_system_reset(VMRESET_SILENT);
4581 register_global_state();
4582 if (loadvm) {
4583 if (load_vmstate(loadvm) < 0) {
4584 autostart = 0;
4585 }
4586 }
4587
4588 qdev_prop_check_globals();
4589 if (vmstate_dump_file) {
4590 /* dump and exit */
4591 dump_vmstate_json_to_file(vmstate_dump_file);
4592 return 0;
4593 }
4594
4595 if (incoming) {
4596 Error *local_err = NULL;
4597 qemu_start_incoming_migration(incoming, &local_err);
4598 if (local_err) {
4599 error_reportf_err(local_err, "-incoming %s: ", incoming);
4600 exit(1);
4601 }
4602 } else if (autostart) {
4603 vm_start();
4604 }
4605
4606 os_setup_post();
4607
4608 main_loop();
4609 replay_disable_events();
4610
4611 bdrv_close_all();
4612 pause_all_vcpus();
4613 res_free();
4614 #ifdef CONFIG_TPM
4615 tpm_cleanup();
4616 #endif
4617
4618 return 0;
4619 }
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