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COLO: Introduce checkpointing protocol
[qemu/ar7.git] / vl.c
bloba1cee4f3f4ba2472113c5c68e9d660fe0528c349
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
69 #include "hw/qdev.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qmp/qerror.h"
126 #include "sysemu/iothread.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 int request_opengl = -1;
136 int display_opengl;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 static bool grab_on_hover;
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 1;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 QemuUUID qemu_uuid;
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213 static int default_net = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "floppy", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 { .driver = "virtio-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_option_rom_opts = {
270 .name = "option-rom",
271 .implied_opt_name = "romfile",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
273 .desc = {
274 {
275 .name = "bootindex",
276 .type = QEMU_OPT_NUMBER,
277 }, {
278 .name = "romfile",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_machine_opts = {
286 .name = "machine",
287 .implied_opt_name = "type",
288 .merge_lists = true,
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
290 .desc = {
291 /*
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
295 */
296 { }
297 },
298 };
299
300 static QemuOptsList qemu_boot_opts = {
301 .name = "boot-opts",
302 .implied_opt_name = "order",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
305 .desc = {
306 {
307 .name = "order",
308 .type = QEMU_OPT_STRING,
309 }, {
310 .name = "once",
311 .type = QEMU_OPT_STRING,
312 }, {
313 .name = "menu",
314 .type = QEMU_OPT_BOOL,
315 }, {
316 .name = "splash",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "splash-time",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "reboot-timeout",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "strict",
326 .type = QEMU_OPT_BOOL,
327 },
328 { /*End of list */ }
329 },
330 };
331
332 static QemuOptsList qemu_add_fd_opts = {
333 .name = "add-fd",
334 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
335 .desc = {
336 {
337 .name = "fd",
338 .type = QEMU_OPT_NUMBER,
339 .help = "file descriptor of which a duplicate is added to fd set",
340 },{
341 .name = "set",
342 .type = QEMU_OPT_NUMBER,
343 .help = "ID of the fd set to add fd to",
344 },{
345 .name = "opaque",
346 .type = QEMU_OPT_STRING,
347 .help = "free-form string used to describe fd",
348 },
349 { /* end of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_object_opts = {
354 .name = "object",
355 .implied_opt_name = "qom-type",
356 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
357 .desc = {
358 { }
359 },
360 };
361
362 static QemuOptsList qemu_tpmdev_opts = {
363 .name = "tpmdev",
364 .implied_opt_name = "type",
365 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
366 .desc = {
367 /* options are defined in the TPM backends */
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_realtime_opts = {
373 .name = "realtime",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
375 .desc = {
376 {
377 .name = "mlock",
378 .type = QEMU_OPT_BOOL,
379 },
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_msg_opts = {
385 .name = "msg",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
387 .desc = {
388 {
389 .name = "timestamp",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_name_opts = {
397 .name = "name",
398 .implied_opt_name = "guest",
399 .merge_lists = true,
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
401 .desc = {
402 {
403 .name = "guest",
404 .type = QEMU_OPT_STRING,
405 .help = "Sets the name of the guest.\n"
406 "This name will be displayed in the SDL window caption.\n"
407 "The name will also be used for the VNC server",
408 }, {
409 .name = "process",
410 .type = QEMU_OPT_STRING,
411 .help = "Sets the name of the QEMU process, as shown in top etc",
412 }, {
413 .name = "debug-threads",
414 .type = QEMU_OPT_BOOL,
415 .help = "When enabled, name the individual threads; defaults off.\n"
416 "NOTE: The thread names are for debugging and not a\n"
417 "stable API.",
418 },
419 { /* End of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_mem_opts = {
424 .name = "memory",
425 .implied_opt_name = "size",
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
427 .merge_lists = true,
428 .desc = {
429 {
430 .name = "size",
431 .type = QEMU_OPT_SIZE,
432 },
433 {
434 .name = "slots",
435 .type = QEMU_OPT_NUMBER,
436 },
437 {
438 .name = "maxmem",
439 .type = QEMU_OPT_SIZE,
440 },
441 { /* end of list */ }
442 },
443 };
444
445 static QemuOptsList qemu_icount_opts = {
446 .name = "icount",
447 .implied_opt_name = "shift",
448 .merge_lists = true,
449 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
450 .desc = {
451 {
452 .name = "shift",
453 .type = QEMU_OPT_STRING,
454 }, {
455 .name = "align",
456 .type = QEMU_OPT_BOOL,
457 }, {
458 .name = "sleep",
459 .type = QEMU_OPT_BOOL,
460 }, {
461 .name = "rr",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "rrfile",
465 .type = QEMU_OPT_STRING,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_semihosting_config_opts = {
472 .name = "semihosting-config",
473 .implied_opt_name = "enable",
474 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
475 .desc = {
476 {
477 .name = "enable",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "target",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "arg",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_fw_cfg_opts = {
491 .name = "fw_cfg",
492 .implied_opt_name = "name",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
494 .desc = {
495 {
496 .name = "name",
497 .type = QEMU_OPT_STRING,
498 .help = "Sets the fw_cfg name of the blob to be inserted",
499 }, {
500 .name = "file",
501 .type = QEMU_OPT_STRING,
502 .help = "Sets the name of the file from which\n"
503 "the fw_cfg blob will be loaded",
504 }, {
505 .name = "string",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets content of the blob to be inserted from a string",
508 },
509 { /* end of list */ }
510 },
511 };
512
513 #ifdef CONFIG_LIBISCSI
514 static QemuOptsList qemu_iscsi_opts = {
515 .name = "iscsi",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
517 .desc = {
518 {
519 .name = "user",
520 .type = QEMU_OPT_STRING,
521 .help = "username for CHAP authentication to target",
522 },{
523 .name = "password",
524 .type = QEMU_OPT_STRING,
525 .help = "password for CHAP authentication to target",
526 },{
527 .name = "password-secret",
528 .type = QEMU_OPT_STRING,
529 .help = "ID of the secret providing password for CHAP "
530 "authentication to target",
531 },{
532 .name = "header-digest",
533 .type = QEMU_OPT_STRING,
534 .help = "HeaderDigest setting. "
535 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
536 },{
537 .name = "initiator-name",
538 .type = QEMU_OPT_STRING,
539 .help = "Initiator iqn name to use when connecting",
540 },{
541 .name = "timeout",
542 .type = QEMU_OPT_NUMBER,
543 .help = "Request timeout in seconds (default 0 = no timeout)",
544 },
545 { /* end of list */ }
546 },
547 };
548 #endif
549
550 /**
551 * Get machine options
552 *
553 * Returns: machine options (never null).
554 */
555 QemuOpts *qemu_get_machine_opts(void)
556 {
557 return qemu_find_opts_singleton("machine");
558 }
559
560 const char *qemu_get_vm_name(void)
561 {
562 return qemu_name;
563 }
564
565 static void res_free(void)
566 {
567 g_free(boot_splash_filedata);
568 boot_splash_filedata = NULL;
569 }
570
571 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
572 {
573 const char *driver = qemu_opt_get(opts, "driver");
574 int i;
575
576 if (!driver)
577 return 0;
578 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
579 if (strcmp(default_list[i].driver, driver) != 0)
580 continue;
581 *(default_list[i].flag) = 0;
582 }
583 return 0;
584 }
585
586 /***********************************************************/
587 /* QEMU state */
588
589 static RunState current_run_state = RUN_STATE_PRELAUNCH;
590
591 /* We use RUN_STATE__MAX but any invalid value will do */
592 static RunState vmstop_requested = RUN_STATE__MAX;
593 static QemuMutex vmstop_lock;
594
595 typedef struct {
596 RunState from;
597 RunState to;
598 } RunStateTransition;
599
600 static const RunStateTransition runstate_transitions_def[] = {
601 /* from -> to */
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
629
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
633
634 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
635 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
637
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
643 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
646 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
648 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
649 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
652 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
653 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
654 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
655
656 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
657
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
661
662 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
663 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
664 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
665 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
669 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
671
672 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
673 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
675
676 { RUN_STATE__MAX, RUN_STATE__MAX },
677 };
678
679 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
680
681 bool runstate_check(RunState state)
682 {
683 return current_run_state == state;
684 }
685
686 bool runstate_store(char *str, size_t size)
687 {
688 const char *state = RunState_lookup[current_run_state];
689 size_t len = strlen(state) + 1;
690
691 if (len > size) {
692 return false;
693 }
694 memcpy(str, state, len);
695 return true;
696 }
697
698 static void runstate_init(void)
699 {
700 const RunStateTransition *p;
701
702 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
703 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
704 runstate_valid_transitions[p->from][p->to] = true;
705 }
706
707 qemu_mutex_init(&vmstop_lock);
708 }
709
710 /* This function will abort() on invalid state transitions */
711 void runstate_set(RunState new_state)
712 {
713 assert(new_state < RUN_STATE__MAX);
714
715 if (current_run_state == new_state) {
716 return;
717 }
718
719 if (!runstate_valid_transitions[current_run_state][new_state]) {
720 error_report("invalid runstate transition: '%s' -> '%s'",
721 RunState_lookup[current_run_state],
722 RunState_lookup[new_state]);
723 abort();
724 }
725 trace_runstate_set(new_state);
726 current_run_state = new_state;
727 }
728
729 int runstate_is_running(void)
730 {
731 return runstate_check(RUN_STATE_RUNNING);
732 }
733
734 bool runstate_needs_reset(void)
735 {
736 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
737 runstate_check(RUN_STATE_SHUTDOWN);
738 }
739
740 StatusInfo *qmp_query_status(Error **errp)
741 {
742 StatusInfo *info = g_malloc0(sizeof(*info));
743
744 info->running = runstate_is_running();
745 info->singlestep = singlestep;
746 info->status = current_run_state;
747
748 return info;
749 }
750
751 static bool qemu_vmstop_requested(RunState *r)
752 {
753 qemu_mutex_lock(&vmstop_lock);
754 *r = vmstop_requested;
755 vmstop_requested = RUN_STATE__MAX;
756 qemu_mutex_unlock(&vmstop_lock);
757 return *r < RUN_STATE__MAX;
758 }
759
760 void qemu_system_vmstop_request_prepare(void)
761 {
762 qemu_mutex_lock(&vmstop_lock);
763 }
764
765 void qemu_system_vmstop_request(RunState state)
766 {
767 vmstop_requested = state;
768 qemu_mutex_unlock(&vmstop_lock);
769 qemu_notify_event();
770 }
771
772 void vm_start(void)
773 {
774 RunState requested;
775
776 qemu_vmstop_requested(&requested);
777 if (runstate_is_running() && requested == RUN_STATE__MAX) {
778 return;
779 }
780
781 /* Ensure that a STOP/RESUME pair of events is emitted if a
782 * vmstop request was pending. The BLOCK_IO_ERROR event, for
783 * example, according to documentation is always followed by
784 * the STOP event.
785 */
786 if (runstate_is_running()) {
787 qapi_event_send_stop(&error_abort);
788 } else {
789 replay_enable_events();
790 cpu_enable_ticks();
791 runstate_set(RUN_STATE_RUNNING);
792 vm_state_notify(1, RUN_STATE_RUNNING);
793 resume_all_vcpus();
794 }
795
796 qapi_event_send_resume(&error_abort);
797 }
798
799
800 /***********************************************************/
801 /* real time host monotonic timer */
802
803 static time_t qemu_time(void)
804 {
805 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
806 }
807
808 /***********************************************************/
809 /* host time/date access */
810 void qemu_get_timedate(struct tm *tm, int offset)
811 {
812 time_t ti = qemu_time();
813
814 ti += offset;
815 if (rtc_date_offset == -1) {
816 if (rtc_utc)
817 gmtime_r(&ti, tm);
818 else
819 localtime_r(&ti, tm);
820 } else {
821 ti -= rtc_date_offset;
822 gmtime_r(&ti, tm);
823 }
824 }
825
826 int qemu_timedate_diff(struct tm *tm)
827 {
828 time_t seconds;
829
830 if (rtc_date_offset == -1)
831 if (rtc_utc)
832 seconds = mktimegm(tm);
833 else {
834 struct tm tmp = *tm;
835 tmp.tm_isdst = -1; /* use timezone to figure it out */
836 seconds = mktime(&tmp);
837 }
838 else
839 seconds = mktimegm(tm) + rtc_date_offset;
840
841 return seconds - qemu_time();
842 }
843
844 static void configure_rtc_date_offset(const char *startdate, int legacy)
845 {
846 time_t rtc_start_date;
847 struct tm tm;
848
849 if (!strcmp(startdate, "now") && legacy) {
850 rtc_date_offset = -1;
851 } else {
852 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
853 &tm.tm_year,
854 &tm.tm_mon,
855 &tm.tm_mday,
856 &tm.tm_hour,
857 &tm.tm_min,
858 &tm.tm_sec) == 6) {
859 /* OK */
860 } else if (sscanf(startdate, "%d-%d-%d",
861 &tm.tm_year,
862 &tm.tm_mon,
863 &tm.tm_mday) == 3) {
864 tm.tm_hour = 0;
865 tm.tm_min = 0;
866 tm.tm_sec = 0;
867 } else {
868 goto date_fail;
869 }
870 tm.tm_year -= 1900;
871 tm.tm_mon--;
872 rtc_start_date = mktimegm(&tm);
873 if (rtc_start_date == -1) {
874 date_fail:
875 error_report("invalid date format");
876 error_printf("valid formats: "
877 "'2006-06-17T16:01:21' or '2006-06-17'\n");
878 exit(1);
879 }
880 rtc_date_offset = qemu_time() - rtc_start_date;
881 }
882 }
883
884 static void configure_rtc(QemuOpts *opts)
885 {
886 const char *value;
887
888 value = qemu_opt_get(opts, "base");
889 if (value) {
890 if (!strcmp(value, "utc")) {
891 rtc_utc = 1;
892 } else if (!strcmp(value, "localtime")) {
893 Error *blocker = NULL;
894 rtc_utc = 0;
895 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
896 "-rtc base=localtime");
897 replay_add_blocker(blocker);
898 } else {
899 configure_rtc_date_offset(value, 0);
900 }
901 }
902 value = qemu_opt_get(opts, "clock");
903 if (value) {
904 if (!strcmp(value, "host")) {
905 rtc_clock = QEMU_CLOCK_HOST;
906 } else if (!strcmp(value, "rt")) {
907 rtc_clock = QEMU_CLOCK_REALTIME;
908 } else if (!strcmp(value, "vm")) {
909 rtc_clock = QEMU_CLOCK_VIRTUAL;
910 } else {
911 error_report("invalid option value '%s'", value);
912 exit(1);
913 }
914 }
915 value = qemu_opt_get(opts, "driftfix");
916 if (value) {
917 if (!strcmp(value, "slew")) {
918 static GlobalProperty slew_lost_ticks = {
919 .driver = "mc146818rtc",
920 .property = "lost_tick_policy",
921 .value = "slew",
922 };
923
924 qdev_prop_register_global(&slew_lost_ticks);
925 } else if (!strcmp(value, "none")) {
926 /* discard is default */
927 } else {
928 error_report("invalid option value '%s'", value);
929 exit(1);
930 }
931 }
932 }
933
934 /***********************************************************/
935 /* Bluetooth support */
936 static int nb_hcis;
937 static int cur_hci;
938 static struct HCIInfo *hci_table[MAX_NICS];
939
940 struct HCIInfo *qemu_next_hci(void)
941 {
942 if (cur_hci == nb_hcis)
943 return &null_hci;
944
945 return hci_table[cur_hci++];
946 }
947
948 static int bt_hci_parse(const char *str)
949 {
950 struct HCIInfo *hci;
951 bdaddr_t bdaddr;
952
953 if (nb_hcis >= MAX_NICS) {
954 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
955 return -1;
956 }
957
958 hci = hci_init(str);
959 if (!hci)
960 return -1;
961
962 bdaddr.b[0] = 0x52;
963 bdaddr.b[1] = 0x54;
964 bdaddr.b[2] = 0x00;
965 bdaddr.b[3] = 0x12;
966 bdaddr.b[4] = 0x34;
967 bdaddr.b[5] = 0x56 + nb_hcis;
968 hci->bdaddr_set(hci, bdaddr.b);
969
970 hci_table[nb_hcis++] = hci;
971
972 return 0;
973 }
974
975 static void bt_vhci_add(int vlan_id)
976 {
977 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
978
979 if (!vlan->slave)
980 error_report("warning: adding a VHCI to an empty scatternet %i",
981 vlan_id);
982
983 bt_vhci_init(bt_new_hci(vlan));
984 }
985
986 static struct bt_device_s *bt_device_add(const char *opt)
987 {
988 struct bt_scatternet_s *vlan;
989 int vlan_id = 0;
990 char *endp = strstr(opt, ",vlan=");
991 int len = (endp ? endp - opt : strlen(opt)) + 1;
992 char devname[10];
993
994 pstrcpy(devname, MIN(sizeof(devname), len), opt);
995
996 if (endp) {
997 vlan_id = strtol(endp + 6, &endp, 0);
998 if (*endp) {
999 error_report("unrecognised bluetooth vlan Id");
1000 return 0;
1001 }
1002 }
1003
1004 vlan = qemu_find_bt_vlan(vlan_id);
1005
1006 if (!vlan->slave)
1007 error_report("warning: adding a slave device to an empty scatternet %i",
1008 vlan_id);
1009
1010 if (!strcmp(devname, "keyboard"))
1011 return bt_keyboard_init(vlan);
1012
1013 error_report("unsupported bluetooth device '%s'", devname);
1014 return 0;
1015 }
1016
1017 static int bt_parse(const char *opt)
1018 {
1019 const char *endp, *p;
1020 int vlan;
1021
1022 if (strstart(opt, "hci", &endp)) {
1023 if (!*endp || *endp == ',') {
1024 if (*endp)
1025 if (!strstart(endp, ",vlan=", 0))
1026 opt = endp + 1;
1027
1028 return bt_hci_parse(opt);
1029 }
1030 } else if (strstart(opt, "vhci", &endp)) {
1031 if (!*endp || *endp == ',') {
1032 if (*endp) {
1033 if (strstart(endp, ",vlan=", &p)) {
1034 vlan = strtol(p, (char **) &endp, 0);
1035 if (*endp) {
1036 error_report("bad scatternet '%s'", p);
1037 return 1;
1038 }
1039 } else {
1040 error_report("bad parameter '%s'", endp + 1);
1041 return 1;
1042 }
1043 } else
1044 vlan = 0;
1045
1046 bt_vhci_add(vlan);
1047 return 0;
1048 }
1049 } else if (strstart(opt, "device:", &endp))
1050 return !bt_device_add(endp);
1051
1052 error_report("bad bluetooth parameter '%s'", opt);
1053 return 1;
1054 }
1055
1056 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1057 {
1058 /* FIXME: change this to true for 1.3 */
1059 if (qemu_opt_get_bool(opts, "enable", false)) {
1060 #ifdef CONFIG_SECCOMP
1061 if (seccomp_start() < 0) {
1062 error_report("failed to install seccomp syscall filter "
1063 "in the kernel");
1064 return -1;
1065 }
1066 #else
1067 error_report("seccomp support is disabled");
1068 return -1;
1069 #endif
1070 }
1071
1072 return 0;
1073 }
1074
1075 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1076 {
1077 const char *proc_name;
1078
1079 if (qemu_opt_get(opts, "debug-threads")) {
1080 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1081 }
1082 qemu_name = qemu_opt_get(opts, "guest");
1083
1084 proc_name = qemu_opt_get(opts, "process");
1085 if (proc_name) {
1086 os_set_proc_name(proc_name);
1087 }
1088
1089 return 0;
1090 }
1091
1092 bool defaults_enabled(void)
1093 {
1094 return has_defaults;
1095 }
1096
1097 #ifndef _WIN32
1098 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1099 {
1100 int fd, dupfd, flags;
1101 int64_t fdset_id;
1102 const char *fd_opaque = NULL;
1103 AddfdInfo *fdinfo;
1104
1105 fd = qemu_opt_get_number(opts, "fd", -1);
1106 fdset_id = qemu_opt_get_number(opts, "set", -1);
1107 fd_opaque = qemu_opt_get(opts, "opaque");
1108
1109 if (fd < 0) {
1110 error_report("fd option is required and must be non-negative");
1111 return -1;
1112 }
1113
1114 if (fd <= STDERR_FILENO) {
1115 error_report("fd cannot be a standard I/O stream");
1116 return -1;
1117 }
1118
1119 /*
1120 * All fds inherited across exec() necessarily have FD_CLOEXEC
1121 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1122 */
1123 flags = fcntl(fd, F_GETFD);
1124 if (flags == -1 || (flags & FD_CLOEXEC)) {
1125 error_report("fd is not valid or already in use");
1126 return -1;
1127 }
1128
1129 if (fdset_id < 0) {
1130 error_report("set option is required and must be non-negative");
1131 return -1;
1132 }
1133
1134 #ifdef F_DUPFD_CLOEXEC
1135 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1136 #else
1137 dupfd = dup(fd);
1138 if (dupfd != -1) {
1139 qemu_set_cloexec(dupfd);
1140 }
1141 #endif
1142 if (dupfd == -1) {
1143 error_report("error duplicating fd: %s", strerror(errno));
1144 return -1;
1145 }
1146
1147 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1148 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1149 &error_abort);
1150 g_free(fdinfo);
1151
1152 return 0;
1153 }
1154
1155 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1156 {
1157 int fd;
1158
1159 fd = qemu_opt_get_number(opts, "fd", -1);
1160 close(fd);
1161
1162 return 0;
1163 }
1164 #endif
1165
1166 /***********************************************************/
1167 /* QEMU Block devices */
1168
1169 #define HD_OPTS "media=disk"
1170 #define CDROM_OPTS "media=cdrom"
1171 #define FD_OPTS ""
1172 #define PFLASH_OPTS ""
1173 #define MTD_OPTS ""
1174 #define SD_OPTS ""
1175
1176 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1177 {
1178 BlockInterfaceType *block_default_type = opaque;
1179
1180 return drive_new(opts, *block_default_type) == NULL;
1181 }
1182
1183 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1184 {
1185 if (qemu_opt_get(opts, "snapshot") == NULL) {
1186 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1187 }
1188 return 0;
1189 }
1190
1191 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1192 int index, const char *optstr)
1193 {
1194 QemuOpts *opts;
1195 DriveInfo *dinfo;
1196
1197 if (!enable || drive_get_by_index(type, index)) {
1198 return;
1199 }
1200
1201 opts = drive_add(type, index, NULL, optstr);
1202 if (snapshot) {
1203 drive_enable_snapshot(NULL, opts, NULL);
1204 }
1205
1206 dinfo = drive_new(opts, type);
1207 if (!dinfo) {
1208 exit(1);
1209 }
1210 dinfo->is_default = true;
1211
1212 }
1213
1214 static QemuOptsList qemu_smp_opts = {
1215 .name = "smp-opts",
1216 .implied_opt_name = "cpus",
1217 .merge_lists = true,
1218 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1219 .desc = {
1220 {
1221 .name = "cpus",
1222 .type = QEMU_OPT_NUMBER,
1223 }, {
1224 .name = "sockets",
1225 .type = QEMU_OPT_NUMBER,
1226 }, {
1227 .name = "cores",
1228 .type = QEMU_OPT_NUMBER,
1229 }, {
1230 .name = "threads",
1231 .type = QEMU_OPT_NUMBER,
1232 }, {
1233 .name = "maxcpus",
1234 .type = QEMU_OPT_NUMBER,
1235 },
1236 { /*End of list */ }
1237 },
1238 };
1239
1240 static void smp_parse(QemuOpts *opts)
1241 {
1242 if (opts) {
1243 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1244 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1245 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1246 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1247
1248 /* compute missing values, prefer sockets over cores over threads */
1249 if (cpus == 0 || sockets == 0) {
1250 sockets = sockets > 0 ? sockets : 1;
1251 cores = cores > 0 ? cores : 1;
1252 threads = threads > 0 ? threads : 1;
1253 if (cpus == 0) {
1254 cpus = cores * threads * sockets;
1255 }
1256 } else if (cores == 0) {
1257 threads = threads > 0 ? threads : 1;
1258 cores = cpus / (sockets * threads);
1259 cores = cores > 0 ? cores : 1;
1260 } else if (threads == 0) {
1261 threads = cpus / (cores * sockets);
1262 threads = threads > 0 ? threads : 1;
1263 } else if (sockets * cores * threads < cpus) {
1264 error_report("cpu topology: "
1265 "sockets (%u) * cores (%u) * threads (%u) < "
1266 "smp_cpus (%u)",
1267 sockets, cores, threads, cpus);
1268 exit(1);
1269 }
1270
1271 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1272
1273 if (max_cpus > MAX_CPUMASK_BITS) {
1274 error_report("unsupported number of maxcpus");
1275 exit(1);
1276 }
1277
1278 if (max_cpus < cpus) {
1279 error_report("maxcpus must be equal to or greater than smp");
1280 exit(1);
1281 }
1282
1283 if (sockets * cores * threads > max_cpus) {
1284 error_report("cpu topology: "
1285 "sockets (%u) * cores (%u) * threads (%u) > "
1286 "maxcpus (%u)",
1287 sockets, cores, threads, max_cpus);
1288 exit(1);
1289 }
1290
1291 smp_cpus = cpus;
1292 smp_cores = cores;
1293 smp_threads = threads;
1294 }
1295
1296 if (smp_cpus > 1) {
1297 Error *blocker = NULL;
1298 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1299 replay_add_blocker(blocker);
1300 }
1301 }
1302
1303 static void realtime_init(void)
1304 {
1305 if (enable_mlock) {
1306 if (os_mlock() < 0) {
1307 error_report("locking memory failed");
1308 exit(1);
1309 }
1310 }
1311 }
1312
1313
1314 static void configure_msg(QemuOpts *opts)
1315 {
1316 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1317 }
1318
1319 /***********************************************************/
1320 /* Semihosting */
1321
1322 typedef struct SemihostingConfig {
1323 bool enabled;
1324 SemihostingTarget target;
1325 const char **argv;
1326 int argc;
1327 const char *cmdline; /* concatenated argv */
1328 } SemihostingConfig;
1329
1330 static SemihostingConfig semihosting;
1331
1332 bool semihosting_enabled(void)
1333 {
1334 return semihosting.enabled;
1335 }
1336
1337 SemihostingTarget semihosting_get_target(void)
1338 {
1339 return semihosting.target;
1340 }
1341
1342 const char *semihosting_get_arg(int i)
1343 {
1344 if (i >= semihosting.argc) {
1345 return NULL;
1346 }
1347 return semihosting.argv[i];
1348 }
1349
1350 int semihosting_get_argc(void)
1351 {
1352 return semihosting.argc;
1353 }
1354
1355 const char *semihosting_get_cmdline(void)
1356 {
1357 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1358 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1359 }
1360 return semihosting.cmdline;
1361 }
1362
1363 static int add_semihosting_arg(void *opaque,
1364 const char *name, const char *val,
1365 Error **errp)
1366 {
1367 SemihostingConfig *s = opaque;
1368 if (strcmp(name, "arg") == 0) {
1369 s->argc++;
1370 /* one extra element as g_strjoinv() expects NULL-terminated array */
1371 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1372 s->argv[s->argc - 1] = val;
1373 s->argv[s->argc] = NULL;
1374 }
1375 return 0;
1376 }
1377
1378 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1379 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1380 {
1381 char *cmd_token;
1382
1383 /* argv[0] */
1384 add_semihosting_arg(&semihosting, "arg", file, NULL);
1385
1386 /* split -append and initialize argv[1..n] */
1387 cmd_token = strtok(g_strdup(cmd), " ");
1388 while (cmd_token) {
1389 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1390 cmd_token = strtok(NULL, " ");
1391 }
1392 }
1393
1394 /* Now we still need this for compatibility with XEN. */
1395 bool has_igd_gfx_passthru;
1396 static void igd_gfx_passthru(void)
1397 {
1398 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1399 }
1400
1401 /***********************************************************/
1402 /* USB devices */
1403
1404 static int usb_device_add(const char *devname)
1405 {
1406 USBDevice *dev = NULL;
1407 #ifndef CONFIG_LINUX
1408 const char *p;
1409 #endif
1410
1411 if (!machine_usb(current_machine)) {
1412 return -1;
1413 }
1414
1415 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1416 dev = usbdevice_create(devname);
1417 if (dev)
1418 goto done;
1419
1420 /* the other ones */
1421 #ifndef CONFIG_LINUX
1422 /* only the linux version is qdev-ified, usb-bsd still needs this */
1423 if (strstart(devname, "host:", &p)) {
1424 dev = usb_host_device_open(usb_bus_find(-1), p);
1425 }
1426 #endif
1427 if (!dev)
1428 return -1;
1429
1430 done:
1431 return 0;
1432 }
1433
1434 static int usb_device_del(const char *devname)
1435 {
1436 int bus_num, addr;
1437 const char *p;
1438
1439 if (strstart(devname, "host:", &p)) {
1440 return -1;
1441 }
1442
1443 if (!machine_usb(current_machine)) {
1444 return -1;
1445 }
1446
1447 p = strchr(devname, '.');
1448 if (!p)
1449 return -1;
1450 bus_num = strtoul(devname, NULL, 0);
1451 addr = strtoul(p + 1, NULL, 0);
1452
1453 return usb_device_delete_addr(bus_num, addr);
1454 }
1455
1456 static int usb_parse(const char *cmdline)
1457 {
1458 int r;
1459 r = usb_device_add(cmdline);
1460 if (r < 0) {
1461 error_report("could not add USB device '%s'", cmdline);
1462 }
1463 return r;
1464 }
1465
1466 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1467 {
1468 const char *devname = qdict_get_str(qdict, "devname");
1469 if (usb_device_add(devname) < 0) {
1470 error_report("could not add USB device '%s'", devname);
1471 }
1472 }
1473
1474 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1475 {
1476 const char *devname = qdict_get_str(qdict, "devname");
1477 if (usb_device_del(devname) < 0) {
1478 error_report("could not delete USB device '%s'", devname);
1479 }
1480 }
1481
1482 /***********************************************************/
1483 /* machine registration */
1484
1485 MachineState *current_machine;
1486
1487 static MachineClass *find_machine(const char *name)
1488 {
1489 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1490 MachineClass *mc = NULL;
1491
1492 for (el = machines; el; el = el->next) {
1493 MachineClass *temp = el->data;
1494
1495 if (!strcmp(temp->name, name)) {
1496 mc = temp;
1497 break;
1498 }
1499 if (temp->alias &&
1500 !strcmp(temp->alias, name)) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineClass *find_default_machine(void)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineClass *mc = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *temp = el->data;
1517
1518 if (temp->is_default) {
1519 mc = temp;
1520 break;
1521 }
1522 }
1523
1524 g_slist_free(machines);
1525 return mc;
1526 }
1527
1528 MachineInfoList *qmp_query_machines(Error **errp)
1529 {
1530 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1531 MachineInfoList *mach_list = NULL;
1532
1533 for (el = machines; el; el = el->next) {
1534 MachineClass *mc = el->data;
1535 MachineInfoList *entry;
1536 MachineInfo *info;
1537
1538 info = g_malloc0(sizeof(*info));
1539 if (mc->is_default) {
1540 info->has_is_default = true;
1541 info->is_default = true;
1542 }
1543
1544 if (mc->alias) {
1545 info->has_alias = true;
1546 info->alias = g_strdup(mc->alias);
1547 }
1548
1549 info->name = g_strdup(mc->name);
1550 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1551 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1552
1553 entry = g_malloc0(sizeof(*entry));
1554 entry->value = info;
1555 entry->next = mach_list;
1556 mach_list = entry;
1557 }
1558
1559 g_slist_free(machines);
1560 return mach_list;
1561 }
1562
1563 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1564 {
1565 ObjectProperty *prop;
1566 ObjectPropertyIterator iter;
1567
1568 if (!qemu_opt_has_help_opt(opts)) {
1569 return 0;
1570 }
1571
1572 object_property_iter_init(&iter, OBJECT(machine));
1573 while ((prop = object_property_iter_next(&iter))) {
1574 if (!prop->set) {
1575 continue;
1576 }
1577
1578 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1579 prop->name, prop->type);
1580 if (prop->description) {
1581 error_printf(" (%s)\n", prop->description);
1582 } else {
1583 error_printf("\n");
1584 }
1585 }
1586
1587 return 1;
1588 }
1589
1590 /***********************************************************/
1591 /* main execution loop */
1592
1593 struct vm_change_state_entry {
1594 VMChangeStateHandler *cb;
1595 void *opaque;
1596 QLIST_ENTRY (vm_change_state_entry) entries;
1597 };
1598
1599 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1600
1601 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1602 void *opaque)
1603 {
1604 VMChangeStateEntry *e;
1605
1606 e = g_malloc0(sizeof (*e));
1607
1608 e->cb = cb;
1609 e->opaque = opaque;
1610 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1611 return e;
1612 }
1613
1614 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1615 {
1616 QLIST_REMOVE (e, entries);
1617 g_free (e);
1618 }
1619
1620 void vm_state_notify(int running, RunState state)
1621 {
1622 VMChangeStateEntry *e, *next;
1623
1624 trace_vm_state_notify(running, state);
1625
1626 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1627 e->cb(e->opaque, running, state);
1628 }
1629 }
1630
1631 /* reset/shutdown handler */
1632
1633 typedef struct QEMUResetEntry {
1634 QTAILQ_ENTRY(QEMUResetEntry) entry;
1635 QEMUResetHandler *func;
1636 void *opaque;
1637 } QEMUResetEntry;
1638
1639 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1640 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1641 static int reset_requested;
1642 static int shutdown_requested, shutdown_signal = -1;
1643 static pid_t shutdown_pid;
1644 static int powerdown_requested;
1645 static int debug_requested;
1646 static int suspend_requested;
1647 static WakeupReason wakeup_reason;
1648 static NotifierList powerdown_notifiers =
1649 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1650 static NotifierList suspend_notifiers =
1651 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1652 static NotifierList wakeup_notifiers =
1653 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1654 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1655
1656 int qemu_shutdown_requested_get(void)
1657 {
1658 return shutdown_requested;
1659 }
1660
1661 int qemu_reset_requested_get(void)
1662 {
1663 return reset_requested;
1664 }
1665
1666 static int qemu_shutdown_requested(void)
1667 {
1668 return atomic_xchg(&shutdown_requested, 0);
1669 }
1670
1671 static void qemu_kill_report(void)
1672 {
1673 if (!qtest_driver() && shutdown_signal != -1) {
1674 if (shutdown_pid == 0) {
1675 /* This happens for eg ^C at the terminal, so it's worth
1676 * avoiding printing an odd message in that case.
1677 */
1678 error_report("terminating on signal %d", shutdown_signal);
1679 } else {
1680 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1681
1682 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1683 shutdown_signal, shutdown_pid,
1684 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1685 g_free(shutdown_cmd);
1686 }
1687 shutdown_signal = -1;
1688 }
1689 }
1690
1691 static int qemu_reset_requested(void)
1692 {
1693 int r = reset_requested;
1694 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1695 reset_requested = 0;
1696 return r;
1697 }
1698 return false;
1699 }
1700
1701 static int qemu_suspend_requested(void)
1702 {
1703 int r = suspend_requested;
1704 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1705 suspend_requested = 0;
1706 return r;
1707 }
1708 return false;
1709 }
1710
1711 static WakeupReason qemu_wakeup_requested(void)
1712 {
1713 return wakeup_reason;
1714 }
1715
1716 static int qemu_powerdown_requested(void)
1717 {
1718 int r = powerdown_requested;
1719 powerdown_requested = 0;
1720 return r;
1721 }
1722
1723 static int qemu_debug_requested(void)
1724 {
1725 int r = debug_requested;
1726 debug_requested = 0;
1727 return r;
1728 }
1729
1730 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1731 {
1732 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1733
1734 re->func = func;
1735 re->opaque = opaque;
1736 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1737 }
1738
1739 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1740 {
1741 QEMUResetEntry *re;
1742
1743 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1744 if (re->func == func && re->opaque == opaque) {
1745 QTAILQ_REMOVE(&reset_handlers, re, entry);
1746 g_free(re);
1747 return;
1748 }
1749 }
1750 }
1751
1752 void qemu_devices_reset(void)
1753 {
1754 QEMUResetEntry *re, *nre;
1755
1756 /* reset all devices */
1757 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1758 re->func(re->opaque);
1759 }
1760 }
1761
1762 void qemu_system_reset(bool report)
1763 {
1764 MachineClass *mc;
1765
1766 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1767
1768 cpu_synchronize_all_states();
1769
1770 if (mc && mc->reset) {
1771 mc->reset();
1772 } else {
1773 qemu_devices_reset();
1774 }
1775 if (report) {
1776 qapi_event_send_reset(&error_abort);
1777 }
1778 cpu_synchronize_all_post_reset();
1779 }
1780
1781 void qemu_system_guest_panicked(void)
1782 {
1783 if (current_cpu) {
1784 current_cpu->crash_occurred = true;
1785 }
1786 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1787 vm_stop(RUN_STATE_GUEST_PANICKED);
1788 }
1789
1790 void qemu_system_reset_request(void)
1791 {
1792 if (no_reboot) {
1793 shutdown_requested = 1;
1794 } else {
1795 reset_requested = 1;
1796 }
1797 cpu_stop_current();
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_suspend(void)
1802 {
1803 pause_all_vcpus();
1804 notifier_list_notify(&suspend_notifiers, NULL);
1805 runstate_set(RUN_STATE_SUSPENDED);
1806 qapi_event_send_suspend(&error_abort);
1807 }
1808
1809 void qemu_system_suspend_request(void)
1810 {
1811 if (runstate_check(RUN_STATE_SUSPENDED)) {
1812 return;
1813 }
1814 suspend_requested = 1;
1815 cpu_stop_current();
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_register_suspend_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&suspend_notifiers, notifier);
1822 }
1823
1824 void qemu_system_wakeup_request(WakeupReason reason)
1825 {
1826 trace_system_wakeup_request(reason);
1827
1828 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1829 return;
1830 }
1831 if (!(wakeup_reason_mask & (1 << reason))) {
1832 return;
1833 }
1834 runstate_set(RUN_STATE_RUNNING);
1835 wakeup_reason = reason;
1836 qemu_notify_event();
1837 }
1838
1839 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1840 {
1841 if (enabled) {
1842 wakeup_reason_mask |= (1 << reason);
1843 } else {
1844 wakeup_reason_mask &= ~(1 << reason);
1845 }
1846 }
1847
1848 void qemu_register_wakeup_notifier(Notifier *notifier)
1849 {
1850 notifier_list_add(&wakeup_notifiers, notifier);
1851 }
1852
1853 void qemu_system_killed(int signal, pid_t pid)
1854 {
1855 shutdown_signal = signal;
1856 shutdown_pid = pid;
1857 no_shutdown = 0;
1858
1859 /* Cannot call qemu_system_shutdown_request directly because
1860 * we are in a signal handler.
1861 */
1862 shutdown_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 void qemu_system_shutdown_request(void)
1867 {
1868 trace_qemu_system_shutdown_request();
1869 replay_shutdown_request();
1870 shutdown_requested = 1;
1871 qemu_notify_event();
1872 }
1873
1874 static void qemu_system_powerdown(void)
1875 {
1876 qapi_event_send_powerdown(&error_abort);
1877 notifier_list_notify(&powerdown_notifiers, NULL);
1878 }
1879
1880 void qemu_system_powerdown_request(void)
1881 {
1882 trace_qemu_system_powerdown_request();
1883 powerdown_requested = 1;
1884 qemu_notify_event();
1885 }
1886
1887 void qemu_register_powerdown_notifier(Notifier *notifier)
1888 {
1889 notifier_list_add(&powerdown_notifiers, notifier);
1890 }
1891
1892 void qemu_system_debug_request(void)
1893 {
1894 debug_requested = 1;
1895 qemu_notify_event();
1896 }
1897
1898 static bool main_loop_should_exit(void)
1899 {
1900 RunState r;
1901 if (qemu_debug_requested()) {
1902 vm_stop(RUN_STATE_DEBUG);
1903 }
1904 if (qemu_suspend_requested()) {
1905 qemu_system_suspend();
1906 }
1907 if (qemu_shutdown_requested()) {
1908 qemu_kill_report();
1909 qapi_event_send_shutdown(&error_abort);
1910 if (no_shutdown) {
1911 vm_stop(RUN_STATE_SHUTDOWN);
1912 } else {
1913 return true;
1914 }
1915 }
1916 if (qemu_reset_requested()) {
1917 pause_all_vcpus();
1918 qemu_system_reset(VMRESET_REPORT);
1919 resume_all_vcpus();
1920 if (!runstate_check(RUN_STATE_RUNNING) &&
1921 !runstate_check(RUN_STATE_INMIGRATE)) {
1922 runstate_set(RUN_STATE_PRELAUNCH);
1923 }
1924 }
1925 if (qemu_wakeup_requested()) {
1926 pause_all_vcpus();
1927 qemu_system_reset(VMRESET_SILENT);
1928 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1929 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1930 resume_all_vcpus();
1931 qapi_event_send_wakeup(&error_abort);
1932 }
1933 if (qemu_powerdown_requested()) {
1934 qemu_system_powerdown();
1935 }
1936 if (qemu_vmstop_requested(&r)) {
1937 vm_stop(r);
1938 }
1939 return false;
1940 }
1941
1942 static void main_loop(void)
1943 {
1944 bool nonblocking;
1945 int last_io = 0;
1946 #ifdef CONFIG_PROFILER
1947 int64_t ti;
1948 #endif
1949 do {
1950 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1951 #ifdef CONFIG_PROFILER
1952 ti = profile_getclock();
1953 #endif
1954 last_io = main_loop_wait(nonblocking);
1955 #ifdef CONFIG_PROFILER
1956 dev_time += profile_getclock() - ti;
1957 #endif
1958 } while (!main_loop_should_exit());
1959 }
1960
1961 static void version(void)
1962 {
1963 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1964 QEMU_COPYRIGHT "\n");
1965 }
1966
1967 static void help(int exitcode)
1968 {
1969 version();
1970 printf("usage: %s [options] [disk_image]\n\n"
1971 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1972 error_get_progname());
1973
1974 #define QEMU_OPTIONS_GENERATE_HELP
1975 #include "qemu-options-wrapper.h"
1976
1977 printf("\nDuring emulation, the following keys are useful:\n"
1978 "ctrl-alt-f toggle full screen\n"
1979 "ctrl-alt-n switch to virtual console 'n'\n"
1980 "ctrl-alt toggle mouse and keyboard grab\n"
1981 "\n"
1982 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1983
1984 exit(exitcode);
1985 }
1986
1987 #define HAS_ARG 0x0001
1988
1989 typedef struct QEMUOption {
1990 const char *name;
1991 int flags;
1992 int index;
1993 uint32_t arch_mask;
1994 } QEMUOption;
1995
1996 static const QEMUOption qemu_options[] = {
1997 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1998 #define QEMU_OPTIONS_GENERATE_OPTIONS
1999 #include "qemu-options-wrapper.h"
2000 { NULL },
2001 };
2002
2003 typedef struct VGAInterfaceInfo {
2004 const char *opt_name; /* option name */
2005 const char *name; /* human-readable name */
2006 /* Class names indicating that support is available.
2007 * If no class is specified, the interface is always available */
2008 const char *class_names[2];
2009 } VGAInterfaceInfo;
2010
2011 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2012 [VGA_NONE] = {
2013 .opt_name = "none",
2014 },
2015 [VGA_STD] = {
2016 .opt_name = "std",
2017 .name = "standard VGA",
2018 .class_names = { "VGA", "isa-vga" },
2019 },
2020 [VGA_CIRRUS] = {
2021 .opt_name = "cirrus",
2022 .name = "Cirrus VGA",
2023 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2024 },
2025 [VGA_VMWARE] = {
2026 .opt_name = "vmware",
2027 .name = "VMWare SVGA",
2028 .class_names = { "vmware-svga" },
2029 },
2030 [VGA_VIRTIO] = {
2031 .opt_name = "virtio",
2032 .name = "Virtio VGA",
2033 .class_names = { "virtio-vga" },
2034 },
2035 [VGA_QXL] = {
2036 .opt_name = "qxl",
2037 .name = "QXL VGA",
2038 .class_names = { "qxl-vga" },
2039 },
2040 [VGA_TCX] = {
2041 .opt_name = "tcx",
2042 .name = "TCX framebuffer",
2043 .class_names = { "SUNW,tcx" },
2044 },
2045 [VGA_CG3] = {
2046 .opt_name = "cg3",
2047 .name = "CG3 framebuffer",
2048 .class_names = { "cgthree" },
2049 },
2050 [VGA_XENFB] = {
2051 .opt_name = "xenfb",
2052 },
2053 };
2054
2055 static bool vga_interface_available(VGAInterfaceType t)
2056 {
2057 VGAInterfaceInfo *ti = &vga_interfaces[t];
2058
2059 assert(t < VGA_TYPE_MAX);
2060 return !ti->class_names[0] ||
2061 object_class_by_name(ti->class_names[0]) ||
2062 object_class_by_name(ti->class_names[1]);
2063 }
2064
2065 static void select_vgahw(const char *p)
2066 {
2067 const char *opts;
2068 int t;
2069
2070 assert(vga_interface_type == VGA_NONE);
2071 for (t = 0; t < VGA_TYPE_MAX; t++) {
2072 VGAInterfaceInfo *ti = &vga_interfaces[t];
2073 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2074 if (!vga_interface_available(t)) {
2075 error_report("%s not available", ti->name);
2076 exit(1);
2077 }
2078 vga_interface_type = t;
2079 break;
2080 }
2081 }
2082 if (t == VGA_TYPE_MAX) {
2083 invalid_vga:
2084 error_report("unknown vga type: %s", p);
2085 exit(1);
2086 }
2087 while (*opts) {
2088 const char *nextopt;
2089
2090 if (strstart(opts, ",retrace=", &nextopt)) {
2091 opts = nextopt;
2092 if (strstart(opts, "dumb", &nextopt))
2093 vga_retrace_method = VGA_RETRACE_DUMB;
2094 else if (strstart(opts, "precise", &nextopt))
2095 vga_retrace_method = VGA_RETRACE_PRECISE;
2096 else goto invalid_vga;
2097 } else goto invalid_vga;
2098 opts = nextopt;
2099 }
2100 }
2101
2102 typedef enum DisplayType {
2103 DT_DEFAULT,
2104 DT_CURSES,
2105 DT_SDL,
2106 DT_COCOA,
2107 DT_GTK,
2108 DT_NONE,
2109 } DisplayType;
2110
2111 static DisplayType select_display(const char *p)
2112 {
2113 const char *opts;
2114 DisplayType display = DT_DEFAULT;
2115
2116 if (strstart(p, "sdl", &opts)) {
2117 #ifdef CONFIG_SDL
2118 display = DT_SDL;
2119 while (*opts) {
2120 const char *nextopt;
2121
2122 if (strstart(opts, ",frame=", &nextopt)) {
2123 opts = nextopt;
2124 if (strstart(opts, "on", &nextopt)) {
2125 no_frame = 0;
2126 } else if (strstart(opts, "off", &nextopt)) {
2127 no_frame = 1;
2128 } else {
2129 goto invalid_sdl_args;
2130 }
2131 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2132 opts = nextopt;
2133 if (strstart(opts, "on", &nextopt)) {
2134 alt_grab = 1;
2135 } else if (strstart(opts, "off", &nextopt)) {
2136 alt_grab = 0;
2137 } else {
2138 goto invalid_sdl_args;
2139 }
2140 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2141 opts = nextopt;
2142 if (strstart(opts, "on", &nextopt)) {
2143 ctrl_grab = 1;
2144 } else if (strstart(opts, "off", &nextopt)) {
2145 ctrl_grab = 0;
2146 } else {
2147 goto invalid_sdl_args;
2148 }
2149 } else if (strstart(opts, ",window_close=", &nextopt)) {
2150 opts = nextopt;
2151 if (strstart(opts, "on", &nextopt)) {
2152 no_quit = 0;
2153 } else if (strstart(opts, "off", &nextopt)) {
2154 no_quit = 1;
2155 } else {
2156 goto invalid_sdl_args;
2157 }
2158 } else if (strstart(opts, ",gl=", &nextopt)) {
2159 opts = nextopt;
2160 if (strstart(opts, "on", &nextopt)) {
2161 request_opengl = 1;
2162 } else if (strstart(opts, "off", &nextopt)) {
2163 request_opengl = 0;
2164 } else {
2165 goto invalid_sdl_args;
2166 }
2167 } else {
2168 invalid_sdl_args:
2169 error_report("invalid SDL option string");
2170 exit(1);
2171 }
2172 opts = nextopt;
2173 }
2174 #else
2175 error_report("SDL support is disabled");
2176 exit(1);
2177 #endif
2178 } else if (strstart(p, "vnc", &opts)) {
2179 if (*opts == '=') {
2180 vnc_parse(opts + 1, &error_fatal);
2181 } else {
2182 error_report("VNC requires a display argument vnc=<display>");
2183 exit(1);
2184 }
2185 } else if (strstart(p, "curses", &opts)) {
2186 #ifdef CONFIG_CURSES
2187 display = DT_CURSES;
2188 #else
2189 error_report("curses support is disabled");
2190 exit(1);
2191 #endif
2192 } else if (strstart(p, "gtk", &opts)) {
2193 #ifdef CONFIG_GTK
2194 display = DT_GTK;
2195 while (*opts) {
2196 const char *nextopt;
2197
2198 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2199 opts = nextopt;
2200 if (strstart(opts, "on", &nextopt)) {
2201 grab_on_hover = true;
2202 } else if (strstart(opts, "off", &nextopt)) {
2203 grab_on_hover = false;
2204 } else {
2205 goto invalid_gtk_args;
2206 }
2207 } else if (strstart(opts, ",gl=", &nextopt)) {
2208 opts = nextopt;
2209 if (strstart(opts, "on", &nextopt)) {
2210 request_opengl = 1;
2211 } else if (strstart(opts, "off", &nextopt)) {
2212 request_opengl = 0;
2213 } else {
2214 goto invalid_gtk_args;
2215 }
2216 } else {
2217 invalid_gtk_args:
2218 error_report("invalid GTK option string");
2219 exit(1);
2220 }
2221 opts = nextopt;
2222 }
2223 #else
2224 error_report("GTK support is disabled");
2225 exit(1);
2226 #endif
2227 } else if (strstart(p, "none", &opts)) {
2228 display = DT_NONE;
2229 } else {
2230 error_report("unknown display type");
2231 exit(1);
2232 }
2233
2234 return display;
2235 }
2236
2237 static int balloon_parse(const char *arg)
2238 {
2239 QemuOpts *opts;
2240
2241 if (strcmp(arg, "none") == 0) {
2242 return 0;
2243 }
2244
2245 if (!strncmp(arg, "virtio", 6)) {
2246 if (arg[6] == ',') {
2247 /* have params -> parse them */
2248 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2249 false);
2250 if (!opts)
2251 return -1;
2252 } else {
2253 /* create empty opts */
2254 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2255 &error_abort);
2256 }
2257 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2258 return 0;
2259 }
2260
2261 return -1;
2262 }
2263
2264 char *qemu_find_file(int type, const char *name)
2265 {
2266 int i;
2267 const char *subdir;
2268 char *buf;
2269
2270 /* Try the name as a straight path first */
2271 if (access(name, R_OK) == 0) {
2272 trace_load_file(name, name);
2273 return g_strdup(name);
2274 }
2275
2276 switch (type) {
2277 case QEMU_FILE_TYPE_BIOS:
2278 subdir = "";
2279 break;
2280 case QEMU_FILE_TYPE_KEYMAP:
2281 subdir = "keymaps/";
2282 break;
2283 default:
2284 abort();
2285 }
2286
2287 for (i = 0; i < data_dir_idx; i++) {
2288 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2289 if (access(buf, R_OK) == 0) {
2290 trace_load_file(name, buf);
2291 return buf;
2292 }
2293 g_free(buf);
2294 }
2295 return NULL;
2296 }
2297
2298 static inline bool nonempty_str(const char *str)
2299 {
2300 return str && *str;
2301 }
2302
2303 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 gchar *buf;
2306 size_t size;
2307 const char *name, *file, *str;
2308 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2309
2310 if (fw_cfg == NULL) {
2311 error_report("fw_cfg device not available");
2312 return -1;
2313 }
2314 name = qemu_opt_get(opts, "name");
2315 file = qemu_opt_get(opts, "file");
2316 str = qemu_opt_get(opts, "string");
2317
2318 /* we need name and either a file or the content string */
2319 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2320 error_report("invalid argument(s)");
2321 return -1;
2322 }
2323 if (nonempty_str(file) && nonempty_str(str)) {
2324 error_report("file and string are mutually exclusive");
2325 return -1;
2326 }
2327 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2328 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2329 return -1;
2330 }
2331 if (strncmp(name, "opt/", 4) != 0) {
2332 error_report("warning: externally provided fw_cfg item names "
2333 "should be prefixed with \"opt/\"");
2334 }
2335 if (nonempty_str(str)) {
2336 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2337 buf = g_memdup(str, size);
2338 } else {
2339 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2340 error_report("can't load %s", file);
2341 return -1;
2342 }
2343 }
2344 /* For legacy, keep user files in a specific global order. */
2345 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2346 fw_cfg_add_file(fw_cfg, name, buf, size);
2347 fw_cfg_reset_order_override(fw_cfg);
2348 return 0;
2349 }
2350
2351 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2352 {
2353 return qdev_device_help(opts);
2354 }
2355
2356 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2357 {
2358 Error *err = NULL;
2359 DeviceState *dev;
2360
2361 dev = qdev_device_add(opts, &err);
2362 if (!dev) {
2363 error_report_err(err);
2364 return -1;
2365 }
2366 object_unref(OBJECT(dev));
2367 return 0;
2368 }
2369
2370 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2371 {
2372 Error *local_err = NULL;
2373
2374 qemu_chr_new_from_opts(opts, &local_err);
2375 if (local_err) {
2376 error_report_err(local_err);
2377 return -1;
2378 }
2379 return 0;
2380 }
2381
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 return qemu_fsdev_add(opts);
2386 }
2387 #endif
2388
2389 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2390 {
2391 CharDriverState *chr;
2392 const char *chardev;
2393 const char *mode;
2394 int flags;
2395
2396 mode = qemu_opt_get(opts, "mode");
2397 if (mode == NULL) {
2398 mode = "readline";
2399 }
2400 if (strcmp(mode, "readline") == 0) {
2401 flags = MONITOR_USE_READLINE;
2402 } else if (strcmp(mode, "control") == 0) {
2403 flags = MONITOR_USE_CONTROL;
2404 } else {
2405 error_report("unknown monitor mode \"%s\"", mode);
2406 exit(1);
2407 }
2408
2409 if (qemu_opt_get_bool(opts, "pretty", 0))
2410 flags |= MONITOR_USE_PRETTY;
2411
2412 if (qemu_opt_get_bool(opts, "default", 0))
2413 flags |= MONITOR_IS_DEFAULT;
2414
2415 chardev = qemu_opt_get(opts, "chardev");
2416 chr = qemu_chr_find(chardev);
2417 if (chr == NULL) {
2418 error_report("chardev \"%s\" not found", chardev);
2419 exit(1);
2420 }
2421
2422 monitor_init(chr, flags);
2423 return 0;
2424 }
2425
2426 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2427 {
2428 static int monitor_device_index = 0;
2429 QemuOpts *opts;
2430 const char *p;
2431 char label[32];
2432 int def = 0;
2433
2434 if (strstart(optarg, "chardev:", &p)) {
2435 snprintf(label, sizeof(label), "%s", p);
2436 } else {
2437 snprintf(label, sizeof(label), "compat_monitor%d",
2438 monitor_device_index);
2439 if (monitor_device_index == 0) {
2440 def = 1;
2441 }
2442 opts = qemu_chr_parse_compat(label, optarg);
2443 if (!opts) {
2444 error_report("parse error: %s", optarg);
2445 exit(1);
2446 }
2447 }
2448
2449 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2450 qemu_opt_set(opts, "mode", mode, &error_abort);
2451 qemu_opt_set(opts, "chardev", label, &error_abort);
2452 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2453 if (def)
2454 qemu_opt_set(opts, "default", "on", &error_abort);
2455 monitor_device_index++;
2456 }
2457
2458 struct device_config {
2459 enum {
2460 DEV_USB, /* -usbdevice */
2461 DEV_BT, /* -bt */
2462 DEV_SERIAL, /* -serial */
2463 DEV_PARALLEL, /* -parallel */
2464 DEV_VIRTCON, /* -virtioconsole */
2465 DEV_DEBUGCON, /* -debugcon */
2466 DEV_GDB, /* -gdb, -s */
2467 DEV_SCLP, /* s390 sclp */
2468 } type;
2469 const char *cmdline;
2470 Location loc;
2471 QTAILQ_ENTRY(device_config) next;
2472 };
2473
2474 static QTAILQ_HEAD(, device_config) device_configs =
2475 QTAILQ_HEAD_INITIALIZER(device_configs);
2476
2477 static void add_device_config(int type, const char *cmdline)
2478 {
2479 struct device_config *conf;
2480
2481 conf = g_malloc0(sizeof(*conf));
2482 conf->type = type;
2483 conf->cmdline = cmdline;
2484 loc_save(&conf->loc);
2485 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2486 }
2487
2488 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2489 {
2490 struct device_config *conf;
2491 int rc;
2492
2493 QTAILQ_FOREACH(conf, &device_configs, next) {
2494 if (conf->type != type)
2495 continue;
2496 loc_push_restore(&conf->loc);
2497 rc = func(conf->cmdline);
2498 loc_pop(&conf->loc);
2499 if (rc) {
2500 return rc;
2501 }
2502 }
2503 return 0;
2504 }
2505
2506 static int serial_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_SERIAL_PORTS) {
2514 error_report("too many serial ports");
2515 exit(1);
2516 }
2517 snprintf(label, sizeof(label), "serial%d", index);
2518 serial_hds[index] = qemu_chr_new(label, devname);
2519 if (!serial_hds[index]) {
2520 error_report("could not connect serial device"
2521 " to character backend '%s'", devname);
2522 return -1;
2523 }
2524 index++;
2525 return 0;
2526 }
2527
2528 static int parallel_parse(const char *devname)
2529 {
2530 static int index = 0;
2531 char label[32];
2532
2533 if (strcmp(devname, "none") == 0)
2534 return 0;
2535 if (index == MAX_PARALLEL_PORTS) {
2536 error_report("too many parallel ports");
2537 exit(1);
2538 }
2539 snprintf(label, sizeof(label), "parallel%d", index);
2540 parallel_hds[index] = qemu_chr_new(label, devname);
2541 if (!parallel_hds[index]) {
2542 error_report("could not connect parallel device"
2543 " to character backend '%s'", devname);
2544 return -1;
2545 }
2546 index++;
2547 return 0;
2548 }
2549
2550 static int virtcon_parse(const char *devname)
2551 {
2552 QemuOptsList *device = qemu_find_opts("device");
2553 static int index = 0;
2554 char label[32];
2555 QemuOpts *bus_opts, *dev_opts;
2556
2557 if (strcmp(devname, "none") == 0)
2558 return 0;
2559 if (index == MAX_VIRTIO_CONSOLES) {
2560 error_report("too many virtio consoles");
2561 exit(1);
2562 }
2563
2564 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2565 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2566
2567 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2568 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2569
2570 snprintf(label, sizeof(label), "virtcon%d", index);
2571 virtcon_hds[index] = qemu_chr_new(label, devname);
2572 if (!virtcon_hds[index]) {
2573 error_report("could not connect virtio console"
2574 " to character backend '%s'", devname);
2575 return -1;
2576 }
2577 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2578
2579 index++;
2580 return 0;
2581 }
2582
2583 static int sclp_parse(const char *devname)
2584 {
2585 QemuOptsList *device = qemu_find_opts("device");
2586 static int index = 0;
2587 char label[32];
2588 QemuOpts *dev_opts;
2589
2590 if (strcmp(devname, "none") == 0) {
2591 return 0;
2592 }
2593 if (index == MAX_SCLP_CONSOLES) {
2594 error_report("too many sclp consoles");
2595 exit(1);
2596 }
2597
2598 assert(arch_type == QEMU_ARCH_S390X);
2599
2600 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2601 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2602
2603 snprintf(label, sizeof(label), "sclpcon%d", index);
2604 sclp_hds[index] = qemu_chr_new(label, devname);
2605 if (!sclp_hds[index]) {
2606 error_report("could not connect sclp console"
2607 " to character backend '%s'", devname);
2608 return -1;
2609 }
2610 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2611
2612 index++;
2613 return 0;
2614 }
2615
2616 static int debugcon_parse(const char *devname)
2617 {
2618 QemuOpts *opts;
2619
2620 if (!qemu_chr_new("debugcon", devname)) {
2621 exit(1);
2622 }
2623 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2624 if (!opts) {
2625 error_report("already have a debugcon device");
2626 exit(1);
2627 }
2628 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2629 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2630 return 0;
2631 }
2632
2633 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2634 {
2635 const MachineClass *mc1 = a, *mc2 = b;
2636 int res;
2637
2638 if (mc1->family == NULL) {
2639 if (mc2->family == NULL) {
2640 /* Compare standalone machine types against each other; they sort
2641 * in increasing order.
2642 */
2643 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2644 object_class_get_name(OBJECT_CLASS(mc2)));
2645 }
2646
2647 /* Standalone machine types sort after families. */
2648 return 1;
2649 }
2650
2651 if (mc2->family == NULL) {
2652 /* Families sort before standalone machine types. */
2653 return -1;
2654 }
2655
2656 /* Families sort between each other alphabetically increasingly. */
2657 res = strcmp(mc1->family, mc2->family);
2658 if (res != 0) {
2659 return res;
2660 }
2661
2662 /* Within the same family, machine types sort in decreasing order. */
2663 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2664 object_class_get_name(OBJECT_CLASS(mc1)));
2665 }
2666
2667 static MachineClass *machine_parse(const char *name)
2668 {
2669 MachineClass *mc = NULL;
2670 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2671
2672 if (name) {
2673 mc = find_machine(name);
2674 }
2675 if (mc) {
2676 g_slist_free(machines);
2677 return mc;
2678 }
2679 if (name && !is_help_option(name)) {
2680 error_report("unsupported machine type");
2681 error_printf("Use -machine help to list supported machines\n");
2682 } else {
2683 printf("Supported machines are:\n");
2684 machines = g_slist_sort(machines, machine_class_cmp);
2685 for (el = machines; el; el = el->next) {
2686 MachineClass *mc = el->data;
2687 if (mc->alias) {
2688 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2689 }
2690 printf("%-20s %s%s\n", mc->name, mc->desc,
2691 mc->is_default ? " (default)" : "");
2692 }
2693 }
2694
2695 g_slist_free(machines);
2696 exit(!name || !is_help_option(name));
2697 }
2698
2699 void qemu_add_exit_notifier(Notifier *notify)
2700 {
2701 notifier_list_add(&exit_notifiers, notify);
2702 }
2703
2704 void qemu_remove_exit_notifier(Notifier *notify)
2705 {
2706 notifier_remove(notify);
2707 }
2708
2709 static void qemu_run_exit_notifiers(void)
2710 {
2711 notifier_list_notify(&exit_notifiers, NULL);
2712 }
2713
2714 static bool machine_init_done;
2715
2716 void qemu_add_machine_init_done_notifier(Notifier *notify)
2717 {
2718 notifier_list_add(&machine_init_done_notifiers, notify);
2719 if (machine_init_done) {
2720 notify->notify(notify, NULL);
2721 }
2722 }
2723
2724 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2725 {
2726 notifier_remove(notify);
2727 }
2728
2729 static void qemu_run_machine_init_done_notifiers(void)
2730 {
2731 notifier_list_notify(&machine_init_done_notifiers, NULL);
2732 machine_init_done = true;
2733 }
2734
2735 static const QEMUOption *lookup_opt(int argc, char **argv,
2736 const char **poptarg, int *poptind)
2737 {
2738 const QEMUOption *popt;
2739 int optind = *poptind;
2740 char *r = argv[optind];
2741 const char *optarg;
2742
2743 loc_set_cmdline(argv, optind, 1);
2744 optind++;
2745 /* Treat --foo the same as -foo. */
2746 if (r[1] == '-')
2747 r++;
2748 popt = qemu_options;
2749 for(;;) {
2750 if (!popt->name) {
2751 error_report("invalid option");
2752 exit(1);
2753 }
2754 if (!strcmp(popt->name, r + 1))
2755 break;
2756 popt++;
2757 }
2758 if (popt->flags & HAS_ARG) {
2759 if (optind >= argc) {
2760 error_report("requires an argument");
2761 exit(1);
2762 }
2763 optarg = argv[optind++];
2764 loc_set_cmdline(argv, optind - 2, 2);
2765 } else {
2766 optarg = NULL;
2767 }
2768
2769 *poptarg = optarg;
2770 *poptind = optind;
2771
2772 return popt;
2773 }
2774
2775 static MachineClass *select_machine(void)
2776 {
2777 MachineClass *machine_class = find_default_machine();
2778 const char *optarg;
2779 QemuOpts *opts;
2780 Location loc;
2781
2782 loc_push_none(&loc);
2783
2784 opts = qemu_get_machine_opts();
2785 qemu_opts_loc_restore(opts);
2786
2787 optarg = qemu_opt_get(opts, "type");
2788 if (optarg) {
2789 machine_class = machine_parse(optarg);
2790 }
2791
2792 if (!machine_class) {
2793 error_report("No machine specified, and there is no default");
2794 error_printf("Use -machine help to list supported machines\n");
2795 exit(1);
2796 }
2797
2798 loc_pop(&loc);
2799 return machine_class;
2800 }
2801
2802 static int machine_set_property(void *opaque,
2803 const char *name, const char *value,
2804 Error **errp)
2805 {
2806 Object *obj = OBJECT(opaque);
2807 Error *local_err = NULL;
2808 char *p, *qom_name;
2809
2810 if (strcmp(name, "type") == 0) {
2811 return 0;
2812 }
2813
2814 qom_name = g_strdup(name);
2815 for (p = qom_name; *p; p++) {
2816 if (*p == '_') {
2817 *p = '-';
2818 }
2819 }
2820
2821 object_property_parse(obj, value, qom_name, &local_err);
2822 g_free(qom_name);
2823
2824 if (local_err) {
2825 error_report_err(local_err);
2826 return -1;
2827 }
2828
2829 return 0;
2830 }
2831
2832
2833 /*
2834 * Initial object creation happens before all other
2835 * QEMU data types are created. The majority of objects
2836 * can be created at this point. The rng-egd object
2837 * cannot be created here, as it depends on the chardev
2838 * already existing.
2839 */
2840 static bool object_create_initial(const char *type)
2841 {
2842 if (g_str_equal(type, "rng-egd")) {
2843 return false;
2844 }
2845
2846 /*
2847 * return false for concrete netfilters since
2848 * they depend on netdevs already existing
2849 */
2850 if (g_str_equal(type, "filter-buffer") ||
2851 g_str_equal(type, "filter-dump") ||
2852 g_str_equal(type, "filter-mirror") ||
2853 g_str_equal(type, "filter-redirector") ||
2854 g_str_equal(type, "colo-compare") ||
2855 g_str_equal(type, "filter-rewriter")) {
2856 return false;
2857 }
2858
2859 /* Memory allocation by backends needs to be done
2860 * after configure_accelerator() (due to the tcg_enabled()
2861 * checks at memory_region_init_*()).
2862 *
2863 * Also, allocation of large amounts of memory may delay
2864 * chardev initialization for too long, and trigger timeouts
2865 * on software that waits for a monitor socket to be created
2866 * (e.g. libvirt).
2867 */
2868 if (g_str_has_prefix(type, "memory-backend-")) {
2869 return false;
2870 }
2871
2872 return true;
2873 }
2874
2875
2876 /*
2877 * The remainder of object creation happens after the
2878 * creation of chardev, fsdev, net clients and device data types.
2879 */
2880 static bool object_create_delayed(const char *type)
2881 {
2882 return !object_create_initial(type);
2883 }
2884
2885
2886 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2887 MachineClass *mc)
2888 {
2889 uint64_t sz;
2890 const char *mem_str;
2891 const char *maxmem_str, *slots_str;
2892 const ram_addr_t default_ram_size = mc->default_ram_size;
2893 QemuOpts *opts = qemu_find_opts_singleton("memory");
2894 Location loc;
2895
2896 loc_push_none(&loc);
2897 qemu_opts_loc_restore(opts);
2898
2899 sz = 0;
2900 mem_str = qemu_opt_get(opts, "size");
2901 if (mem_str) {
2902 if (!*mem_str) {
2903 error_report("missing 'size' option value");
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 sz = qemu_opt_get_size(opts, "size", ram_size);
2908
2909 /* Fix up legacy suffix-less format */
2910 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2911 uint64_t overflow_check = sz;
2912
2913 sz <<= 20;
2914 if ((sz >> 20) != overflow_check) {
2915 error_report("too large 'size' option value");
2916 exit(EXIT_FAILURE);
2917 }
2918 }
2919 }
2920
2921 /* backward compatibility behaviour for case "-m 0" */
2922 if (sz == 0) {
2923 sz = default_ram_size;
2924 }
2925
2926 sz = QEMU_ALIGN_UP(sz, 8192);
2927 ram_size = sz;
2928 if (ram_size != sz) {
2929 error_report("ram size too large");
2930 exit(EXIT_FAILURE);
2931 }
2932
2933 /* store value for the future use */
2934 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2935 *maxram_size = ram_size;
2936
2937 maxmem_str = qemu_opt_get(opts, "maxmem");
2938 slots_str = qemu_opt_get(opts, "slots");
2939 if (maxmem_str && slots_str) {
2940 uint64_t slots;
2941
2942 sz = qemu_opt_get_size(opts, "maxmem", 0);
2943 slots = qemu_opt_get_number(opts, "slots", 0);
2944 if (sz < ram_size) {
2945 error_report("invalid value of -m option maxmem: "
2946 "maximum memory size (0x%" PRIx64 ") must be at least "
2947 "the initial memory size (0x" RAM_ADDR_FMT ")",
2948 sz, ram_size);
2949 exit(EXIT_FAILURE);
2950 } else if (sz > ram_size) {
2951 if (!slots) {
2952 error_report("invalid value of -m option: maxmem was "
2953 "specified, but no hotplug slots were specified");
2954 exit(EXIT_FAILURE);
2955 }
2956 } else if (slots) {
2957 error_report("invalid value of -m option maxmem: "
2958 "memory slots were specified but maximum memory size "
2959 "(0x%" PRIx64 ") is equal to the initial memory size "
2960 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2961 exit(EXIT_FAILURE);
2962 }
2963
2964 *maxram_size = sz;
2965 *ram_slots = slots;
2966 } else if ((!maxmem_str && slots_str) ||
2967 (maxmem_str && !slots_str)) {
2968 error_report("invalid -m option value: missing "
2969 "'%s' option", slots_str ? "maxmem" : "slots");
2970 exit(EXIT_FAILURE);
2971 }
2972
2973 loc_pop(&loc);
2974 }
2975
2976 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2977 {
2978 GlobalProperty *g;
2979
2980 g = g_malloc0(sizeof(*g));
2981 g->driver = qemu_opt_get(opts, "driver");
2982 g->property = qemu_opt_get(opts, "property");
2983 g->value = qemu_opt_get(opts, "value");
2984 g->user_provided = true;
2985 g->errp = &error_fatal;
2986 qdev_prop_register_global(g);
2987 return 0;
2988 }
2989
2990 int main(int argc, char **argv, char **envp)
2991 {
2992 int i;
2993 int snapshot, linux_boot;
2994 const char *initrd_filename;
2995 const char *kernel_filename, *kernel_cmdline;
2996 const char *boot_order = NULL;
2997 const char *boot_once = NULL;
2998 DisplayState *ds;
2999 int cyls, heads, secs, translation;
3000 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3001 QemuOptsList *olist;
3002 int optind;
3003 const char *optarg;
3004 const char *loadvm = NULL;
3005 MachineClass *machine_class;
3006 const char *cpu_model;
3007 const char *vga_model = NULL;
3008 const char *qtest_chrdev = NULL;
3009 const char *qtest_log = NULL;
3010 const char *pid_file = NULL;
3011 const char *incoming = NULL;
3012 bool defconfig = true;
3013 bool userconfig = true;
3014 bool nographic = false;
3015 DisplayType display_type = DT_DEFAULT;
3016 int display_remote = 0;
3017 const char *log_mask = NULL;
3018 const char *log_file = NULL;
3019 char *trace_file = NULL;
3020 ram_addr_t maxram_size;
3021 uint64_t ram_slots = 0;
3022 FILE *vmstate_dump_file = NULL;
3023 Error *main_loop_err = NULL;
3024 Error *err = NULL;
3025 bool list_data_dirs = false;
3026
3027 module_call_init(MODULE_INIT_TRACE);
3028
3029 qemu_init_cpu_list();
3030 qemu_init_cpu_loop();
3031 qemu_mutex_lock_iothread();
3032
3033 atexit(qemu_run_exit_notifiers);
3034 error_set_progname(argv[0]);
3035 qemu_init_exec_dir(argv[0]);
3036
3037 module_call_init(MODULE_INIT_QOM);
3038 module_call_init(MODULE_INIT_QAPI);
3039
3040 qemu_add_opts(&qemu_drive_opts);
3041 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3042 qemu_add_drive_opts(&qemu_common_drive_opts);
3043 qemu_add_drive_opts(&qemu_drive_opts);
3044 qemu_add_drive_opts(&bdrv_runtime_opts);
3045 qemu_add_opts(&qemu_chardev_opts);
3046 qemu_add_opts(&qemu_device_opts);
3047 qemu_add_opts(&qemu_netdev_opts);
3048 qemu_add_opts(&qemu_net_opts);
3049 qemu_add_opts(&qemu_rtc_opts);
3050 qemu_add_opts(&qemu_global_opts);
3051 qemu_add_opts(&qemu_mon_opts);
3052 qemu_add_opts(&qemu_trace_opts);
3053 qemu_add_opts(&qemu_option_rom_opts);
3054 qemu_add_opts(&qemu_machine_opts);
3055 qemu_add_opts(&qemu_mem_opts);
3056 qemu_add_opts(&qemu_smp_opts);
3057 qemu_add_opts(&qemu_boot_opts);
3058 qemu_add_opts(&qemu_sandbox_opts);
3059 qemu_add_opts(&qemu_add_fd_opts);
3060 qemu_add_opts(&qemu_object_opts);
3061 qemu_add_opts(&qemu_tpmdev_opts);
3062 qemu_add_opts(&qemu_realtime_opts);
3063 qemu_add_opts(&qemu_msg_opts);
3064 qemu_add_opts(&qemu_name_opts);
3065 qemu_add_opts(&qemu_numa_opts);
3066 qemu_add_opts(&qemu_icount_opts);
3067 qemu_add_opts(&qemu_semihosting_config_opts);
3068 qemu_add_opts(&qemu_fw_cfg_opts);
3069 #ifdef CONFIG_LIBISCSI
3070 qemu_add_opts(&qemu_iscsi_opts);
3071 #endif
3072 module_call_init(MODULE_INIT_OPTS);
3073
3074 runstate_init();
3075
3076 if (qcrypto_init(&err) < 0) {
3077 error_reportf_err(err, "cannot initialize crypto: ");
3078 exit(1);
3079 }
3080 rtc_clock = QEMU_CLOCK_HOST;
3081
3082 QLIST_INIT (&vm_change_state_head);
3083 os_setup_early_signal_handling();
3084
3085 cpu_model = NULL;
3086 snapshot = 0;
3087 cyls = heads = secs = 0;
3088 translation = BIOS_ATA_TRANSLATION_AUTO;
3089
3090 nb_nics = 0;
3091
3092 bdrv_init_with_whitelist();
3093
3094 autostart = 1;
3095
3096 /* first pass of option parsing */
3097 optind = 1;
3098 while (optind < argc) {
3099 if (argv[optind][0] != '-') {
3100 /* disk image */
3101 optind++;
3102 } else {
3103 const QEMUOption *popt;
3104
3105 popt = lookup_opt(argc, argv, &optarg, &optind);
3106 switch (popt->index) {
3107 case QEMU_OPTION_nodefconfig:
3108 defconfig = false;
3109 break;
3110 case QEMU_OPTION_nouserconfig:
3111 userconfig = false;
3112 break;
3113 }
3114 }
3115 }
3116
3117 if (defconfig) {
3118 int ret;
3119 ret = qemu_read_default_config_files(userconfig);
3120 if (ret < 0) {
3121 exit(1);
3122 }
3123 }
3124
3125 /* second pass of option parsing */
3126 optind = 1;
3127 for(;;) {
3128 if (optind >= argc)
3129 break;
3130 if (argv[optind][0] != '-') {
3131 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3132 } else {
3133 const QEMUOption *popt;
3134
3135 popt = lookup_opt(argc, argv, &optarg, &optind);
3136 if (!(popt->arch_mask & arch_type)) {
3137 error_report("Option not supported for this target");
3138 exit(1);
3139 }
3140 switch(popt->index) {
3141 case QEMU_OPTION_no_kvm_irqchip: {
3142 olist = qemu_find_opts("machine");
3143 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3144 break;
3145 }
3146 case QEMU_OPTION_cpu:
3147 /* hw initialization will check this */
3148 cpu_model = optarg;
3149 break;
3150 case QEMU_OPTION_hda:
3151 {
3152 char buf[256];
3153 if (cyls == 0)
3154 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3155 else
3156 snprintf(buf, sizeof(buf),
3157 "%s,cyls=%d,heads=%d,secs=%d%s",
3158 HD_OPTS , cyls, heads, secs,
3159 translation == BIOS_ATA_TRANSLATION_LBA ?
3160 ",trans=lba" :
3161 translation == BIOS_ATA_TRANSLATION_NONE ?
3162 ",trans=none" : "");
3163 drive_add(IF_DEFAULT, 0, optarg, buf);
3164 break;
3165 }
3166 case QEMU_OPTION_hdb:
3167 case QEMU_OPTION_hdc:
3168 case QEMU_OPTION_hdd:
3169 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3170 HD_OPTS);
3171 break;
3172 case QEMU_OPTION_drive:
3173 if (drive_def(optarg) == NULL) {
3174 exit(1);
3175 }
3176 break;
3177 case QEMU_OPTION_set:
3178 if (qemu_set_option(optarg) != 0)
3179 exit(1);
3180 break;
3181 case QEMU_OPTION_global:
3182 if (qemu_global_option(optarg) != 0)
3183 exit(1);
3184 break;
3185 case QEMU_OPTION_mtdblock:
3186 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3187 break;
3188 case QEMU_OPTION_sd:
3189 drive_add(IF_SD, -1, optarg, SD_OPTS);
3190 break;
3191 case QEMU_OPTION_pflash:
3192 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3193 break;
3194 case QEMU_OPTION_snapshot:
3195 snapshot = 1;
3196 break;
3197 case QEMU_OPTION_hdachs:
3198 {
3199 const char *p;
3200 p = optarg;
3201 cyls = strtol(p, (char **)&p, 0);
3202 if (cyls < 1 || cyls > 16383)
3203 goto chs_fail;
3204 if (*p != ',')
3205 goto chs_fail;
3206 p++;
3207 heads = strtol(p, (char **)&p, 0);
3208 if (heads < 1 || heads > 16)
3209 goto chs_fail;
3210 if (*p != ',')
3211 goto chs_fail;
3212 p++;
3213 secs = strtol(p, (char **)&p, 0);
3214 if (secs < 1 || secs > 63)
3215 goto chs_fail;
3216 if (*p == ',') {
3217 p++;
3218 if (!strcmp(p, "large")) {
3219 translation = BIOS_ATA_TRANSLATION_LARGE;
3220 } else if (!strcmp(p, "rechs")) {
3221 translation = BIOS_ATA_TRANSLATION_RECHS;
3222 } else if (!strcmp(p, "none")) {
3223 translation = BIOS_ATA_TRANSLATION_NONE;
3224 } else if (!strcmp(p, "lba")) {
3225 translation = BIOS_ATA_TRANSLATION_LBA;
3226 } else if (!strcmp(p, "auto")) {
3227 translation = BIOS_ATA_TRANSLATION_AUTO;
3228 } else {
3229 goto chs_fail;
3230 }
3231 } else if (*p != '\0') {
3232 chs_fail:
3233 error_report("invalid physical CHS format");
3234 exit(1);
3235 }
3236 if (hda_opts != NULL) {
3237 qemu_opt_set_number(hda_opts, "cyls", cyls,
3238 &error_abort);
3239 qemu_opt_set_number(hda_opts, "heads", heads,
3240 &error_abort);
3241 qemu_opt_set_number(hda_opts, "secs", secs,
3242 &error_abort);
3243 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3244 qemu_opt_set(hda_opts, "trans", "large",
3245 &error_abort);
3246 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3247 qemu_opt_set(hda_opts, "trans", "rechs",
3248 &error_abort);
3249 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3250 qemu_opt_set(hda_opts, "trans", "lba",
3251 &error_abort);
3252 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3253 qemu_opt_set(hda_opts, "trans", "none",
3254 &error_abort);
3255 }
3256 }
3257 }
3258 break;
3259 case QEMU_OPTION_numa:
3260 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3261 optarg, true);
3262 if (!opts) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_display:
3267 display_type = select_display(optarg);
3268 break;
3269 case QEMU_OPTION_nographic:
3270 olist = qemu_find_opts("machine");
3271 qemu_opts_parse_noisily(olist, "graphics=off", false);
3272 nographic = true;
3273 display_type = DT_NONE;
3274 break;
3275 case QEMU_OPTION_curses:
3276 #ifdef CONFIG_CURSES
3277 display_type = DT_CURSES;
3278 #else
3279 error_report("curses support is disabled");
3280 exit(1);
3281 #endif
3282 break;
3283 case QEMU_OPTION_portrait:
3284 graphic_rotate = 90;
3285 break;
3286 case QEMU_OPTION_rotate:
3287 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3288 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3289 graphic_rotate != 180 && graphic_rotate != 270) {
3290 error_report("only 90, 180, 270 deg rotation is available");
3291 exit(1);
3292 }
3293 break;
3294 case QEMU_OPTION_kernel:
3295 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3296 &error_abort);
3297 break;
3298 case QEMU_OPTION_initrd:
3299 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3300 &error_abort);
3301 break;
3302 case QEMU_OPTION_append:
3303 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3304 &error_abort);
3305 break;
3306 case QEMU_OPTION_dtb:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3308 &error_abort);
3309 break;
3310 case QEMU_OPTION_cdrom:
3311 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3312 break;
3313 case QEMU_OPTION_boot:
3314 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3315 optarg, true);
3316 if (!opts) {
3317 exit(1);
3318 }
3319 break;
3320 case QEMU_OPTION_fda:
3321 case QEMU_OPTION_fdb:
3322 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3323 optarg, FD_OPTS);
3324 break;
3325 case QEMU_OPTION_no_fd_bootchk:
3326 fd_bootchk = 0;
3327 break;
3328 case QEMU_OPTION_netdev:
3329 default_net = 0;
3330 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3331 exit(1);
3332 }
3333 break;
3334 case QEMU_OPTION_net:
3335 default_net = 0;
3336 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3337 exit(1);
3338 }
3339 break;
3340 #ifdef CONFIG_LIBISCSI
3341 case QEMU_OPTION_iscsi:
3342 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3343 optarg, false);
3344 if (!opts) {
3345 exit(1);
3346 }
3347 break;
3348 #endif
3349 #ifdef CONFIG_SLIRP
3350 case QEMU_OPTION_tftp:
3351 error_report("The -tftp option is deprecated. "
3352 "Please use '-netdev user,tftp=...' instead.");
3353 legacy_tftp_prefix = optarg;
3354 break;
3355 case QEMU_OPTION_bootp:
3356 error_report("The -bootp option is deprecated. "
3357 "Please use '-netdev user,bootfile=...' instead.");
3358 legacy_bootp_filename = optarg;
3359 break;
3360 case QEMU_OPTION_redir:
3361 error_report("The -redir option is deprecated. "
3362 "Please use '-netdev user,hostfwd=...' instead.");
3363 if (net_slirp_redir(optarg) < 0)
3364 exit(1);
3365 break;
3366 #endif
3367 case QEMU_OPTION_bt:
3368 add_device_config(DEV_BT, optarg);
3369 break;
3370 case QEMU_OPTION_audio_help:
3371 AUD_help ();
3372 exit (0);
3373 break;
3374 case QEMU_OPTION_soundhw:
3375 select_soundhw (optarg);
3376 break;
3377 case QEMU_OPTION_h:
3378 help(0);
3379 break;
3380 case QEMU_OPTION_version:
3381 version();
3382 exit(0);
3383 break;
3384 case QEMU_OPTION_m:
3385 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3386 optarg, true);
3387 if (!opts) {
3388 exit(EXIT_FAILURE);
3389 }
3390 break;
3391 #ifdef CONFIG_TPM
3392 case QEMU_OPTION_tpmdev:
3393 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3394 exit(1);
3395 }
3396 break;
3397 #endif
3398 case QEMU_OPTION_mempath:
3399 mem_path = optarg;
3400 break;
3401 case QEMU_OPTION_mem_prealloc:
3402 mem_prealloc = 1;
3403 break;
3404 case QEMU_OPTION_d:
3405 log_mask = optarg;
3406 break;
3407 case QEMU_OPTION_D:
3408 log_file = optarg;
3409 break;
3410 case QEMU_OPTION_DFILTER:
3411 qemu_set_dfilter_ranges(optarg, &error_fatal);
3412 break;
3413 case QEMU_OPTION_s:
3414 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3415 break;
3416 case QEMU_OPTION_gdb:
3417 add_device_config(DEV_GDB, optarg);
3418 break;
3419 case QEMU_OPTION_L:
3420 if (is_help_option(optarg)) {
3421 list_data_dirs = true;
3422 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3423 data_dir[data_dir_idx++] = optarg;
3424 }
3425 break;
3426 case QEMU_OPTION_bios:
3427 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3428 &error_abort);
3429 break;
3430 case QEMU_OPTION_singlestep:
3431 singlestep = 1;
3432 break;
3433 case QEMU_OPTION_S:
3434 autostart = 0;
3435 break;
3436 case QEMU_OPTION_k:
3437 keyboard_layout = optarg;
3438 break;
3439 case QEMU_OPTION_localtime:
3440 rtc_utc = 0;
3441 break;
3442 case QEMU_OPTION_vga:
3443 vga_model = optarg;
3444 default_vga = 0;
3445 break;
3446 case QEMU_OPTION_g:
3447 {
3448 const char *p;
3449 int w, h, depth;
3450 p = optarg;
3451 w = strtol(p, (char **)&p, 10);
3452 if (w <= 0) {
3453 graphic_error:
3454 error_report("invalid resolution or depth");
3455 exit(1);
3456 }
3457 if (*p != 'x')
3458 goto graphic_error;
3459 p++;
3460 h = strtol(p, (char **)&p, 10);
3461 if (h <= 0)
3462 goto graphic_error;
3463 if (*p == 'x') {
3464 p++;
3465 depth = strtol(p, (char **)&p, 10);
3466 if (depth != 8 && depth != 15 && depth != 16 &&
3467 depth != 24 && depth != 32)
3468 goto graphic_error;
3469 } else if (*p == '\0') {
3470 depth = graphic_depth;
3471 } else {
3472 goto graphic_error;
3473 }
3474
3475 graphic_width = w;
3476 graphic_height = h;
3477 graphic_depth = depth;
3478 }
3479 break;
3480 case QEMU_OPTION_echr:
3481 {
3482 char *r;
3483 term_escape_char = strtol(optarg, &r, 0);
3484 if (r == optarg)
3485 printf("Bad argument to echr\n");
3486 break;
3487 }
3488 case QEMU_OPTION_monitor:
3489 default_monitor = 0;
3490 if (strncmp(optarg, "none", 4)) {
3491 monitor_parse(optarg, "readline", false);
3492 }
3493 break;
3494 case QEMU_OPTION_qmp:
3495 monitor_parse(optarg, "control", false);
3496 default_monitor = 0;
3497 break;
3498 case QEMU_OPTION_qmp_pretty:
3499 monitor_parse(optarg, "control", true);
3500 default_monitor = 0;
3501 break;
3502 case QEMU_OPTION_mon:
3503 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3504 true);
3505 if (!opts) {
3506 exit(1);
3507 }
3508 default_monitor = 0;
3509 break;
3510 case QEMU_OPTION_chardev:
3511 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3512 optarg, true);
3513 if (!opts) {
3514 exit(1);
3515 }
3516 break;
3517 case QEMU_OPTION_fsdev:
3518 olist = qemu_find_opts("fsdev");
3519 if (!olist) {
3520 error_report("fsdev support is disabled");
3521 exit(1);
3522 }
3523 opts = qemu_opts_parse_noisily(olist, optarg, true);
3524 if (!opts) {
3525 exit(1);
3526 }
3527 break;
3528 case QEMU_OPTION_virtfs: {
3529 QemuOpts *fsdev;
3530 QemuOpts *device;
3531 const char *writeout, *sock_fd, *socket;
3532
3533 olist = qemu_find_opts("virtfs");
3534 if (!olist) {
3535 error_report("virtfs support is disabled");
3536 exit(1);
3537 }
3538 opts = qemu_opts_parse_noisily(olist, optarg, true);
3539 if (!opts) {
3540 exit(1);
3541 }
3542
3543 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3544 qemu_opt_get(opts, "mount_tag") == NULL) {
3545 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3546 exit(1);
3547 }
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3549 qemu_opt_get(opts, "mount_tag"),
3550 1, NULL);
3551 if (!fsdev) {
3552 error_report("duplicate fsdev id: %s",
3553 qemu_opt_get(opts, "mount_tag"));
3554 exit(1);
3555 }
3556
3557 writeout = qemu_opt_get(opts, "writeout");
3558 if (writeout) {
3559 #ifdef CONFIG_SYNC_FILE_RANGE
3560 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3561 #else
3562 error_report("writeout=immediate not supported "
3563 "on this platform");
3564 exit(1);
3565 #endif
3566 }
3567 qemu_opt_set(fsdev, "fsdriver",
3568 qemu_opt_get(opts, "fsdriver"), &error_abort);
3569 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3570 &error_abort);
3571 qemu_opt_set(fsdev, "security_model",
3572 qemu_opt_get(opts, "security_model"),
3573 &error_abort);
3574 socket = qemu_opt_get(opts, "socket");
3575 if (socket) {
3576 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3577 }
3578 sock_fd = qemu_opt_get(opts, "sock_fd");
3579 if (sock_fd) {
3580 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3581 }
3582
3583 qemu_opt_set_bool(fsdev, "readonly",
3584 qemu_opt_get_bool(opts, "readonly", 0),
3585 &error_abort);
3586 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3587 &error_abort);
3588 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3589 qemu_opt_set(device, "fsdev",
3590 qemu_opt_get(opts, "mount_tag"), &error_abort);
3591 qemu_opt_set(device, "mount_tag",
3592 qemu_opt_get(opts, "mount_tag"), &error_abort);
3593 break;
3594 }
3595 case QEMU_OPTION_virtfs_synth: {
3596 QemuOpts *fsdev;
3597 QemuOpts *device;
3598
3599 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3600 1, NULL);
3601 if (!fsdev) {
3602 error_report("duplicate option: %s", "virtfs_synth");
3603 exit(1);
3604 }
3605 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3606
3607 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3608 &error_abort);
3609 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3610 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3611 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3612 break;
3613 }
3614 case QEMU_OPTION_serial:
3615 add_device_config(DEV_SERIAL, optarg);
3616 default_serial = 0;
3617 if (strncmp(optarg, "mon:", 4) == 0) {
3618 default_monitor = 0;
3619 }
3620 break;
3621 case QEMU_OPTION_watchdog:
3622 if (watchdog) {
3623 error_report("only one watchdog option may be given");
3624 return 1;
3625 }
3626 watchdog = optarg;
3627 break;
3628 case QEMU_OPTION_watchdog_action:
3629 if (select_watchdog_action(optarg) == -1) {
3630 error_report("unknown -watchdog-action parameter");
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_virtiocon:
3635 add_device_config(DEV_VIRTCON, optarg);
3636 default_virtcon = 0;
3637 if (strncmp(optarg, "mon:", 4) == 0) {
3638 default_monitor = 0;
3639 }
3640 break;
3641 case QEMU_OPTION_parallel:
3642 add_device_config(DEV_PARALLEL, optarg);
3643 default_parallel = 0;
3644 if (strncmp(optarg, "mon:", 4) == 0) {
3645 default_monitor = 0;
3646 }
3647 break;
3648 case QEMU_OPTION_debugcon:
3649 add_device_config(DEV_DEBUGCON, optarg);
3650 break;
3651 case QEMU_OPTION_loadvm:
3652 loadvm = optarg;
3653 break;
3654 case QEMU_OPTION_full_screen:
3655 full_screen = 1;
3656 break;
3657 case QEMU_OPTION_no_frame:
3658 no_frame = 1;
3659 break;
3660 case QEMU_OPTION_alt_grab:
3661 alt_grab = 1;
3662 break;
3663 case QEMU_OPTION_ctrl_grab:
3664 ctrl_grab = 1;
3665 break;
3666 case QEMU_OPTION_no_quit:
3667 no_quit = 1;
3668 break;
3669 case QEMU_OPTION_sdl:
3670 #ifdef CONFIG_SDL
3671 display_type = DT_SDL;
3672 break;
3673 #else
3674 error_report("SDL support is disabled");
3675 exit(1);
3676 #endif
3677 case QEMU_OPTION_pidfile:
3678 pid_file = optarg;
3679 break;
3680 case QEMU_OPTION_win2k_hack:
3681 win2k_install_hack = 1;
3682 break;
3683 case QEMU_OPTION_rtc_td_hack: {
3684 static GlobalProperty slew_lost_ticks = {
3685 .driver = "mc146818rtc",
3686 .property = "lost_tick_policy",
3687 .value = "slew",
3688 };
3689
3690 qdev_prop_register_global(&slew_lost_ticks);
3691 break;
3692 }
3693 case QEMU_OPTION_acpitable:
3694 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3695 optarg, true);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 do_acpitable_option(opts);
3700 break;
3701 case QEMU_OPTION_smbios:
3702 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3703 optarg, false);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 do_smbios_option(opts);
3708 break;
3709 case QEMU_OPTION_fwcfg:
3710 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3711 optarg, true);
3712 if (opts == NULL) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_enable_kvm:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3719 break;
3720 case QEMU_OPTION_M:
3721 case QEMU_OPTION_machine:
3722 olist = qemu_find_opts("machine");
3723 opts = qemu_opts_parse_noisily(olist, optarg, true);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 break;
3728 case QEMU_OPTION_no_kvm:
3729 olist = qemu_find_opts("machine");
3730 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3731 break;
3732 case QEMU_OPTION_no_kvm_pit: {
3733 error_report("warning: ignoring deprecated option");
3734 break;
3735 }
3736 case QEMU_OPTION_no_kvm_pit_reinjection: {
3737 static GlobalProperty kvm_pit_lost_tick_policy = {
3738 .driver = "kvm-pit",
3739 .property = "lost_tick_policy",
3740 .value = "discard",
3741 };
3742
3743 error_report("warning: deprecated, replaced by "
3744 "-global kvm-pit.lost_tick_policy=discard");
3745 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3746 break;
3747 }
3748 case QEMU_OPTION_usb:
3749 olist = qemu_find_opts("machine");
3750 qemu_opts_parse_noisily(olist, "usb=on", false);
3751 break;
3752 case QEMU_OPTION_usbdevice:
3753 olist = qemu_find_opts("machine");
3754 qemu_opts_parse_noisily(olist, "usb=on", false);
3755 add_device_config(DEV_USB, optarg);
3756 break;
3757 case QEMU_OPTION_device:
3758 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3759 optarg, true)) {
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_smp:
3764 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3765 optarg, true)) {
3766 exit(1);
3767 }
3768 break;
3769 case QEMU_OPTION_vnc:
3770 vnc_parse(optarg, &error_fatal);
3771 break;
3772 case QEMU_OPTION_no_acpi:
3773 acpi_enabled = 0;
3774 break;
3775 case QEMU_OPTION_no_hpet:
3776 no_hpet = 1;
3777 break;
3778 case QEMU_OPTION_balloon:
3779 if (balloon_parse(optarg) < 0) {
3780 error_report("unknown -balloon argument %s", optarg);
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_no_reboot:
3785 no_reboot = 1;
3786 break;
3787 case QEMU_OPTION_no_shutdown:
3788 no_shutdown = 1;
3789 break;
3790 case QEMU_OPTION_show_cursor:
3791 cursor_hide = 0;
3792 break;
3793 case QEMU_OPTION_uuid:
3794 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3795 error_report("failed to parse UUID string: wrong format");
3796 exit(1);
3797 }
3798 qemu_uuid_set = true;
3799 break;
3800 case QEMU_OPTION_option_rom:
3801 if (nb_option_roms >= MAX_OPTION_ROMS) {
3802 error_report("too many option ROMs");
3803 exit(1);
3804 }
3805 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3806 optarg, true);
3807 if (!opts) {
3808 exit(1);
3809 }
3810 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3811 option_rom[nb_option_roms].bootindex =
3812 qemu_opt_get_number(opts, "bootindex", -1);
3813 if (!option_rom[nb_option_roms].name) {
3814 error_report("Option ROM file is not specified");
3815 exit(1);
3816 }
3817 nb_option_roms++;
3818 break;
3819 case QEMU_OPTION_semihosting:
3820 semihosting.enabled = true;
3821 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3822 break;
3823 case QEMU_OPTION_semihosting_config:
3824 semihosting.enabled = true;
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3826 optarg, false);
3827 if (opts != NULL) {
3828 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3829 true);
3830 const char *target = qemu_opt_get(opts, "target");
3831 if (target != NULL) {
3832 if (strcmp("native", target) == 0) {
3833 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3834 } else if (strcmp("gdb", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_GDB;
3836 } else if (strcmp("auto", target) == 0) {
3837 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3838 } else {
3839 error_report("unsupported semihosting-config %s",
3840 optarg);
3841 exit(1);
3842 }
3843 } else {
3844 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3845 }
3846 /* Set semihosting argument count and vector */
3847 qemu_opt_foreach(opts, add_semihosting_arg,
3848 &semihosting, NULL);
3849 } else {
3850 error_report("unsupported semihosting-config %s", optarg);
3851 exit(1);
3852 }
3853 break;
3854 case QEMU_OPTION_tdf:
3855 error_report("warning: ignoring deprecated option");
3856 break;
3857 case QEMU_OPTION_name:
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3859 optarg, true);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 break;
3864 case QEMU_OPTION_prom_env:
3865 if (nb_prom_envs >= MAX_PROM_ENVS) {
3866 error_report("too many prom variables");
3867 exit(1);
3868 }
3869 prom_envs[nb_prom_envs] = optarg;
3870 nb_prom_envs++;
3871 break;
3872 case QEMU_OPTION_old_param:
3873 old_param = 1;
3874 break;
3875 case QEMU_OPTION_clock:
3876 /* Clock options no longer exist. Keep this option for
3877 * backward compatibility.
3878 */
3879 break;
3880 case QEMU_OPTION_startdate:
3881 configure_rtc_date_offset(optarg, 1);
3882 break;
3883 case QEMU_OPTION_rtc:
3884 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3885 false);
3886 if (!opts) {
3887 exit(1);
3888 }
3889 configure_rtc(opts);
3890 break;
3891 case QEMU_OPTION_tb_size:
3892 tcg_tb_size = strtol(optarg, NULL, 0);
3893 if (tcg_tb_size < 0) {
3894 tcg_tb_size = 0;
3895 }
3896 break;
3897 case QEMU_OPTION_icount:
3898 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3899 optarg, true);
3900 if (!icount_opts) {
3901 exit(1);
3902 }
3903 break;
3904 case QEMU_OPTION_incoming:
3905 if (!incoming) {
3906 runstate_set(RUN_STATE_INMIGRATE);
3907 }
3908 incoming = optarg;
3909 break;
3910 case QEMU_OPTION_nodefaults:
3911 has_defaults = 0;
3912 break;
3913 case QEMU_OPTION_xen_domid:
3914 if (!(xen_available())) {
3915 error_report("Option not supported for this target");
3916 exit(1);
3917 }
3918 xen_domid = atoi(optarg);
3919 break;
3920 case QEMU_OPTION_xen_create:
3921 if (!(xen_available())) {
3922 error_report("Option not supported for this target");
3923 exit(1);
3924 }
3925 xen_mode = XEN_CREATE;
3926 break;
3927 case QEMU_OPTION_xen_attach:
3928 if (!(xen_available())) {
3929 error_report("Option not supported for this target");
3930 exit(1);
3931 }
3932 xen_mode = XEN_ATTACH;
3933 break;
3934 case QEMU_OPTION_trace:
3935 g_free(trace_file);
3936 trace_file = trace_opt_parse(optarg);
3937 break;
3938 case QEMU_OPTION_readconfig:
3939 {
3940 int ret = qemu_read_config_file(optarg);
3941 if (ret < 0) {
3942 error_report("read config %s: %s", optarg,
3943 strerror(-ret));
3944 exit(1);
3945 }
3946 break;
3947 }
3948 case QEMU_OPTION_spice:
3949 olist = qemu_find_opts("spice");
3950 if (!olist) {
3951 error_report("spice support is disabled");
3952 exit(1);
3953 }
3954 opts = qemu_opts_parse_noisily(olist, optarg, false);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 display_remote++;
3959 break;
3960 case QEMU_OPTION_writeconfig:
3961 {
3962 FILE *fp;
3963 if (strcmp(optarg, "-") == 0) {
3964 fp = stdout;
3965 } else {
3966 fp = fopen(optarg, "w");
3967 if (fp == NULL) {
3968 error_report("open %s: %s", optarg,
3969 strerror(errno));
3970 exit(1);
3971 }
3972 }
3973 qemu_config_write(fp);
3974 if (fp != stdout) {
3975 fclose(fp);
3976 }
3977 break;
3978 }
3979 case QEMU_OPTION_qtest:
3980 qtest_chrdev = optarg;
3981 break;
3982 case QEMU_OPTION_qtest_log:
3983 qtest_log = optarg;
3984 break;
3985 case QEMU_OPTION_sandbox:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3987 optarg, true);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 break;
3992 case QEMU_OPTION_add_fd:
3993 #ifndef _WIN32
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3995 optarg, false);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 #else
4000 error_report("File descriptor passing is disabled on this "
4001 "platform");
4002 exit(1);
4003 #endif
4004 break;
4005 case QEMU_OPTION_object:
4006 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4007 optarg, true);
4008 if (!opts) {
4009 exit(1);
4010 }
4011 break;
4012 case QEMU_OPTION_realtime:
4013 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4014 optarg, false);
4015 if (!opts) {
4016 exit(1);
4017 }
4018 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4019 break;
4020 case QEMU_OPTION_msg:
4021 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4022 false);
4023 if (!opts) {
4024 exit(1);
4025 }
4026 configure_msg(opts);
4027 break;
4028 case QEMU_OPTION_dump_vmstate:
4029 if (vmstate_dump_file) {
4030 error_report("only one '-dump-vmstate' "
4031 "option may be given");
4032 exit(1);
4033 }
4034 vmstate_dump_file = fopen(optarg, "w");
4035 if (vmstate_dump_file == NULL) {
4036 error_report("open %s: %s", optarg, strerror(errno));
4037 exit(1);
4038 }
4039 break;
4040 default:
4041 os_parse_cmd_args(popt->index, optarg);
4042 }
4043 }
4044 }
4045 /*
4046 * Clear error location left behind by the loop.
4047 * Best done right after the loop. Do not insert code here!
4048 */
4049 loc_set_none();
4050
4051 replay_configure(icount_opts);
4052
4053 machine_class = select_machine();
4054
4055 set_memory_options(&ram_slots, &maxram_size, machine_class);
4056
4057 os_daemonize();
4058
4059 if (qemu_init_main_loop(&main_loop_err)) {
4060 error_report_err(main_loop_err);
4061 exit(1);
4062 }
4063
4064 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4065 parse_sandbox, NULL, NULL)) {
4066 exit(1);
4067 }
4068
4069 if (qemu_opts_foreach(qemu_find_opts("name"),
4070 parse_name, NULL, NULL)) {
4071 exit(1);
4072 }
4073
4074 #ifndef _WIN32
4075 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4076 parse_add_fd, NULL, NULL)) {
4077 exit(1);
4078 }
4079
4080 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4081 cleanup_add_fd, NULL, NULL)) {
4082 exit(1);
4083 }
4084 #endif
4085
4086 current_machine = MACHINE(object_new(object_class_get_name(
4087 OBJECT_CLASS(machine_class))));
4088 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4089 exit(0);
4090 }
4091 object_property_add_child(object_get_root(), "machine",
4092 OBJECT(current_machine), &error_abort);
4093
4094 if (machine_class->minimum_page_bits) {
4095 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4096 /* This would be a board error: specifying a minimum smaller than
4097 * a target's compile-time fixed setting.
4098 */
4099 g_assert_not_reached();
4100 }
4101 }
4102
4103 cpu_exec_init_all();
4104
4105 if (machine_class->hw_version) {
4106 qemu_set_hw_version(machine_class->hw_version);
4107 }
4108
4109 if (cpu_model && is_help_option(cpu_model)) {
4110 list_cpus(stdout, &fprintf, cpu_model);
4111 exit(0);
4112 }
4113
4114 if (!trace_init_backends()) {
4115 exit(1);
4116 }
4117 trace_init_file(trace_file);
4118
4119 /* Open the logfile at this point and set the log mask if necessary.
4120 */
4121 if (log_file) {
4122 qemu_set_log_filename(log_file, &error_fatal);
4123 }
4124
4125 if (log_mask) {
4126 int mask;
4127 mask = qemu_str_to_log_mask(log_mask);
4128 if (!mask) {
4129 qemu_print_log_usage(stdout);
4130 exit(1);
4131 }
4132 qemu_set_log(mask);
4133 } else {
4134 qemu_set_log(0);
4135 }
4136
4137 /* If no data_dir is specified then try to find it relative to the
4138 executable path. */
4139 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4140 data_dir[data_dir_idx] = os_find_datadir();
4141 if (data_dir[data_dir_idx] != NULL) {
4142 data_dir_idx++;
4143 }
4144 }
4145 /* If all else fails use the install path specified when building. */
4146 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4147 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4148 }
4149
4150 /* -L help lists the data directories and exits. */
4151 if (list_data_dirs) {
4152 for (i = 0; i < data_dir_idx; i++) {
4153 printf("%s\n", data_dir[i]);
4154 }
4155 exit(0);
4156 }
4157
4158 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4159
4160 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4161 if (max_cpus > machine_class->max_cpus) {
4162 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4163 "supported by machine '%s' (%d)", max_cpus,
4164 machine_class->name, machine_class->max_cpus);
4165 exit(1);
4166 }
4167
4168 /*
4169 * Get the default machine options from the machine if it is not already
4170 * specified either by the configuration file or by the command line.
4171 */
4172 if (machine_class->default_machine_opts) {
4173 qemu_opts_set_defaults(qemu_find_opts("machine"),
4174 machine_class->default_machine_opts, 0);
4175 }
4176
4177 qemu_opts_foreach(qemu_find_opts("device"),
4178 default_driver_check, NULL, NULL);
4179 qemu_opts_foreach(qemu_find_opts("global"),
4180 default_driver_check, NULL, NULL);
4181
4182 if (!vga_model && !default_vga) {
4183 vga_interface_type = VGA_DEVICE;
4184 }
4185 if (!has_defaults || machine_class->no_serial) {
4186 default_serial = 0;
4187 }
4188 if (!has_defaults || machine_class->no_parallel) {
4189 default_parallel = 0;
4190 }
4191 if (!has_defaults || !machine_class->use_virtcon) {
4192 default_virtcon = 0;
4193 }
4194 if (!has_defaults || !machine_class->use_sclp) {
4195 default_sclp = 0;
4196 }
4197 if (!has_defaults || machine_class->no_floppy) {
4198 default_floppy = 0;
4199 }
4200 if (!has_defaults || machine_class->no_cdrom) {
4201 default_cdrom = 0;
4202 }
4203 if (!has_defaults || machine_class->no_sdcard) {
4204 default_sdcard = 0;
4205 }
4206 if (!has_defaults) {
4207 default_monitor = 0;
4208 default_net = 0;
4209 default_vga = 0;
4210 }
4211
4212 if (is_daemonized()) {
4213 /* According to documentation and historically, -nographic redirects
4214 * serial port, parallel port and monitor to stdio, which does not work
4215 * with -daemonize. We can redirect these to null instead, but since
4216 * -nographic is legacy, let's just error out.
4217 * We disallow -nographic only if all other ports are not redirected
4218 * explicitly, to not break existing legacy setups which uses
4219 * -nographic _and_ redirects all ports explicitly - this is valid
4220 * usage, -nographic is just a no-op in this case.
4221 */
4222 if (nographic
4223 && (default_parallel || default_serial
4224 || default_monitor || default_virtcon)) {
4225 error_report("-nographic cannot be used with -daemonize");
4226 exit(1);
4227 }
4228 #ifdef CONFIG_CURSES
4229 if (display_type == DT_CURSES) {
4230 error_report("curses display cannot be used with -daemonize");
4231 exit(1);
4232 }
4233 #endif
4234 }
4235
4236 if (nographic) {
4237 if (default_parallel)
4238 add_device_config(DEV_PARALLEL, "null");
4239 if (default_serial && default_monitor) {
4240 add_device_config(DEV_SERIAL, "mon:stdio");
4241 } else if (default_virtcon && default_monitor) {
4242 add_device_config(DEV_VIRTCON, "mon:stdio");
4243 } else if (default_sclp && default_monitor) {
4244 add_device_config(DEV_SCLP, "mon:stdio");
4245 } else {
4246 if (default_serial)
4247 add_device_config(DEV_SERIAL, "stdio");
4248 if (default_virtcon)
4249 add_device_config(DEV_VIRTCON, "stdio");
4250 if (default_sclp) {
4251 add_device_config(DEV_SCLP, "stdio");
4252 }
4253 if (default_monitor)
4254 monitor_parse("stdio", "readline", false);
4255 }
4256 } else {
4257 if (default_serial)
4258 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4259 if (default_parallel)
4260 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4261 if (default_monitor)
4262 monitor_parse("vc:80Cx24C", "readline", false);
4263 if (default_virtcon)
4264 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4265 if (default_sclp) {
4266 add_device_config(DEV_SCLP, "vc:80Cx24C");
4267 }
4268 }
4269
4270 #if defined(CONFIG_VNC)
4271 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4272 display_remote++;
4273 }
4274 #endif
4275 if (display_type == DT_DEFAULT && !display_remote) {
4276 #if defined(CONFIG_GTK)
4277 display_type = DT_GTK;
4278 #elif defined(CONFIG_SDL)
4279 display_type = DT_SDL;
4280 #elif defined(CONFIG_COCOA)
4281 display_type = DT_COCOA;
4282 #elif defined(CONFIG_VNC)
4283 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4284 #else
4285 display_type = DT_NONE;
4286 #endif
4287 }
4288
4289 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4290 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4291 "for SDL, ignoring option");
4292 }
4293 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4294 error_report("-no-quit is only valid for GTK and SDL, "
4295 "ignoring option");
4296 }
4297
4298 if (display_type == DT_GTK) {
4299 early_gtk_display_init(request_opengl);
4300 }
4301
4302 if (display_type == DT_SDL) {
4303 sdl_display_early_init(request_opengl);
4304 }
4305
4306 if (request_opengl == 1 && display_opengl == 0) {
4307 #if defined(CONFIG_OPENGL)
4308 error_report("OpenGL is not supported by the display");
4309 #else
4310 error_report("OpenGL support is disabled");
4311 #endif
4312 exit(1);
4313 }
4314
4315 page_size_init();
4316 socket_init();
4317
4318 if (qemu_opts_foreach(qemu_find_opts("object"),
4319 user_creatable_add_opts_foreach,
4320 object_create_initial, NULL)) {
4321 exit(1);
4322 }
4323
4324 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4325 chardev_init_func, NULL, NULL)) {
4326 exit(1);
4327 }
4328
4329 #ifdef CONFIG_VIRTFS
4330 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4331 fsdev_init_func, NULL, NULL)) {
4332 exit(1);
4333 }
4334 #endif
4335
4336 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4337 error_report("could not acquire pid file: %s", strerror(errno));
4338 exit(1);
4339 }
4340
4341 if (qemu_opts_foreach(qemu_find_opts("device"),
4342 device_help_func, NULL, NULL)) {
4343 exit(0);
4344 }
4345
4346 machine_opts = qemu_get_machine_opts();
4347 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4348 NULL)) {
4349 object_unref(OBJECT(current_machine));
4350 exit(1);
4351 }
4352
4353 configure_accelerator(current_machine);
4354
4355 if (qtest_chrdev) {
4356 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4357 }
4358
4359 machine_opts = qemu_get_machine_opts();
4360 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4361 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4362 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4363 bios_name = qemu_opt_get(machine_opts, "firmware");
4364
4365 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4366 if (opts) {
4367 boot_order = qemu_opt_get(opts, "order");
4368 if (boot_order) {
4369 validate_bootdevices(boot_order, &error_fatal);
4370 }
4371
4372 boot_once = qemu_opt_get(opts, "once");
4373 if (boot_once) {
4374 validate_bootdevices(boot_once, &error_fatal);
4375 }
4376
4377 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4378 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4379 }
4380
4381 if (!boot_order) {
4382 boot_order = machine_class->default_boot_order;
4383 }
4384
4385 if (!kernel_cmdline) {
4386 kernel_cmdline = "";
4387 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4388 }
4389
4390 linux_boot = (kernel_filename != NULL);
4391
4392 if (!linux_boot && *kernel_cmdline != '\0') {
4393 error_report("-append only allowed with -kernel option");
4394 exit(1);
4395 }
4396
4397 if (!linux_boot && initrd_filename != NULL) {
4398 error_report("-initrd only allowed with -kernel option");
4399 exit(1);
4400 }
4401
4402 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4403 /* fall back to the -kernel/-append */
4404 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4405 }
4406
4407 os_set_line_buffering();
4408
4409 /* spice needs the timers to be initialized by this point */
4410 qemu_spice_init();
4411
4412 cpu_ticks_init();
4413 if (icount_opts) {
4414 if (kvm_enabled() || xen_enabled()) {
4415 error_report("-icount is not allowed with kvm or xen");
4416 exit(1);
4417 }
4418 configure_icount(icount_opts, &error_abort);
4419 qemu_opts_del(icount_opts);
4420 }
4421
4422 if (default_net) {
4423 QemuOptsList *net = qemu_find_opts("net");
4424 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4425 #ifdef CONFIG_SLIRP
4426 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4427 #endif
4428 }
4429
4430 colo_info_init();
4431
4432 if (net_init_clients() < 0) {
4433 exit(1);
4434 }
4435
4436 if (qemu_opts_foreach(qemu_find_opts("object"),
4437 user_creatable_add_opts_foreach,
4438 object_create_delayed, NULL)) {
4439 exit(1);
4440 }
4441
4442 #ifdef CONFIG_TPM
4443 if (tpm_init() < 0) {
4444 exit(1);
4445 }
4446 #endif
4447
4448 /* init the bluetooth world */
4449 if (foreach_device_config(DEV_BT, bt_parse))
4450 exit(1);
4451
4452 if (!xen_enabled()) {
4453 /* On 32-bit hosts, QEMU is limited by virtual address space */
4454 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4455 error_report("at most 2047 MB RAM can be simulated");
4456 exit(1);
4457 }
4458 }
4459
4460 blk_mig_init();
4461 ram_mig_init();
4462
4463 /* If the currently selected machine wishes to override the units-per-bus
4464 * property of its default HBA interface type, do so now. */
4465 if (machine_class->units_per_default_bus) {
4466 override_max_devs(machine_class->block_default_type,
4467 machine_class->units_per_default_bus);
4468 }
4469
4470 /* open the virtual block devices */
4471 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4472 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4473 NULL, NULL);
4474 }
4475 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4476 &machine_class->block_default_type, NULL)) {
4477 exit(1);
4478 }
4479
4480 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4481 CDROM_OPTS);
4482 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4483 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4484
4485 parse_numa_opts(machine_class);
4486
4487 if (qemu_opts_foreach(qemu_find_opts("mon"),
4488 mon_init_func, NULL, NULL)) {
4489 exit(1);
4490 }
4491
4492 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4493 exit(1);
4494 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4495 exit(1);
4496 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4497 exit(1);
4498 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4499 exit(1);
4500 }
4501 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4502 exit(1);
4503
4504 /* If no default VGA is requested, the default is "none". */
4505 if (default_vga) {
4506 if (machine_class->default_display) {
4507 vga_model = machine_class->default_display;
4508 } else if (vga_interface_available(VGA_CIRRUS)) {
4509 vga_model = "cirrus";
4510 } else if (vga_interface_available(VGA_STD)) {
4511 vga_model = "std";
4512 }
4513 }
4514 if (vga_model) {
4515 select_vgahw(vga_model);
4516 }
4517
4518 if (watchdog) {
4519 i = select_watchdog(watchdog);
4520 if (i > 0)
4521 exit (i == 1 ? 1 : 0);
4522 }
4523
4524 machine_register_compat_props(current_machine);
4525
4526 qemu_opts_foreach(qemu_find_opts("global"),
4527 global_init_func, NULL, NULL);
4528
4529 /* This checkpoint is required by replay to separate prior clock
4530 reading from the other reads, because timer polling functions query
4531 clock values from the log. */
4532 replay_checkpoint(CHECKPOINT_INIT);
4533 qdev_machine_init();
4534
4535 current_machine->ram_size = ram_size;
4536 current_machine->maxram_size = maxram_size;
4537 current_machine->ram_slots = ram_slots;
4538 current_machine->boot_order = boot_order;
4539 current_machine->cpu_model = cpu_model;
4540
4541 machine_class->init(current_machine);
4542
4543 realtime_init();
4544
4545 audio_init();
4546
4547 cpu_synchronize_all_post_init();
4548
4549 numa_post_machine_init();
4550
4551 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4552 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4553 exit(1);
4554 }
4555
4556 /* init USB devices */
4557 if (machine_usb(current_machine)) {
4558 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4559 exit(1);
4560 }
4561
4562 /* Check if IGD GFX passthrough. */
4563 igd_gfx_passthru();
4564
4565 /* init generic devices */
4566 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4567 if (qemu_opts_foreach(qemu_find_opts("device"),
4568 device_init_func, NULL, NULL)) {
4569 exit(1);
4570 }
4571 rom_reset_order_override();
4572
4573 /* Did we create any drives that we failed to create a device for? */
4574 drive_check_orphaned();
4575
4576 /* Don't warn about the default network setup that you get if
4577 * no command line -net or -netdev options are specified. There
4578 * are two cases that we would otherwise complain about:
4579 * (1) board doesn't support a NIC but the implicit "-net nic"
4580 * requested one
4581 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4582 * sets up a nic that isn't connected to anything.
4583 */
4584 if (!default_net) {
4585 net_check_clients();
4586 }
4587
4588
4589 if (boot_once) {
4590 qemu_boot_set(boot_once, &error_fatal);
4591 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4592 }
4593
4594 ds = init_displaystate();
4595
4596 /* init local displays */
4597 switch (display_type) {
4598 case DT_CURSES:
4599 curses_display_init(ds, full_screen);
4600 break;
4601 case DT_SDL:
4602 sdl_display_init(ds, full_screen, no_frame);
4603 break;
4604 case DT_COCOA:
4605 cocoa_display_init(ds, full_screen);
4606 break;
4607 case DT_GTK:
4608 gtk_display_init(ds, full_screen, grab_on_hover);
4609 break;
4610 default:
4611 break;
4612 }
4613
4614 /* must be after terminal init, SDL library changes signal handlers */
4615 os_setup_signal_handling();
4616
4617 /* init remote displays */
4618 #ifdef CONFIG_VNC
4619 qemu_opts_foreach(qemu_find_opts("vnc"),
4620 vnc_init_func, NULL, NULL);
4621 #endif
4622
4623 if (using_spice) {
4624 qemu_spice_display_init();
4625 }
4626
4627 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4628 exit(1);
4629 }
4630
4631 qdev_machine_creation_done();
4632
4633 /* TODO: once all bus devices are qdevified, this should be done
4634 * when bus is created by qdev.c */
4635 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4636 qemu_run_machine_init_done_notifiers();
4637
4638 if (rom_check_and_register_reset() != 0) {
4639 error_report("rom check and register reset failed");
4640 exit(1);
4641 }
4642
4643 replay_start();
4644
4645 /* This checkpoint is required by replay to separate prior clock
4646 reading from the other reads, because timer polling functions query
4647 clock values from the log. */
4648 replay_checkpoint(CHECKPOINT_RESET);
4649 qemu_system_reset(VMRESET_SILENT);
4650 register_global_state();
4651 if (loadvm) {
4652 if (load_vmstate(loadvm) < 0) {
4653 autostart = 0;
4654 }
4655 }
4656
4657 qdev_prop_check_globals();
4658 if (vmstate_dump_file) {
4659 /* dump and exit */
4660 dump_vmstate_json_to_file(vmstate_dump_file);
4661 return 0;
4662 }
4663
4664 if (incoming) {
4665 Error *local_err = NULL;
4666 qemu_start_incoming_migration(incoming, &local_err);
4667 if (local_err) {
4668 error_reportf_err(local_err, "-incoming %s: ", incoming);
4669 exit(1);
4670 }
4671 } else if (autostart) {
4672 vm_start();
4673 }
4674
4675 os_setup_post();
4676
4677 main_loop();
4678 replay_disable_events();
4679 iothread_stop_all();
4680
4681 bdrv_close_all();
4682 pause_all_vcpus();
4683 res_free();
4684
4685 /* vhost-user must be cleaned up before chardevs. */
4686 net_cleanup();
4687 audio_cleanup();
4688 monitor_cleanup();
4689 qemu_chr_cleanup();
4690
4691 return 0;
4692 }
AR7 emulation for QEMU