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replay: allow replay stopping and restarting
[qemu/ar7.git] / vl.c
blob5759e0ad51c5f35aadd1cb152ca759ec1d995ab9
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 "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
135 int display_opengl;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 1;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 QemuUUID qemu_uuid;
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial", .flag = &default_virtcon },
227 { .driver = "VGA", .flag = &default_vga },
228 { .driver = "isa-vga", .flag = &default_vga },
229 { .driver = "cirrus-vga", .flag = &default_vga },
230 { .driver = "isa-cirrus-vga", .flag = &default_vga },
231 { .driver = "vmware-svga", .flag = &default_vga },
232 { .driver = "qxl-vga", .flag = &default_vga },
233 { .driver = "virtio-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_option_rom_opts = {
268 .name = "option-rom",
269 .implied_opt_name = "romfile",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
271 .desc = {
272 {
273 .name = "bootindex",
274 .type = QEMU_OPT_NUMBER,
275 }, {
276 .name = "romfile",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_machine_opts = {
284 .name = "machine",
285 .implied_opt_name = "type",
286 .merge_lists = true,
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
288 .desc = {
289 /*
290 * no elements => accept any
291 * sanity checking will happen later
292 * when setting machine properties
293 */
294 { }
295 },
296 };
297
298 static QemuOptsList qemu_boot_opts = {
299 .name = "boot-opts",
300 .implied_opt_name = "order",
301 .merge_lists = true,
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
303 .desc = {
304 {
305 .name = "order",
306 .type = QEMU_OPT_STRING,
307 }, {
308 .name = "once",
309 .type = QEMU_OPT_STRING,
310 }, {
311 .name = "menu",
312 .type = QEMU_OPT_BOOL,
313 }, {
314 .name = "splash",
315 .type = QEMU_OPT_STRING,
316 }, {
317 .name = "splash-time",
318 .type = QEMU_OPT_STRING,
319 }, {
320 .name = "reboot-timeout",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "strict",
324 .type = QEMU_OPT_BOOL,
325 },
326 { /*End of list */ }
327 },
328 };
329
330 static QemuOptsList qemu_add_fd_opts = {
331 .name = "add-fd",
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
333 .desc = {
334 {
335 .name = "fd",
336 .type = QEMU_OPT_NUMBER,
337 .help = "file descriptor of which a duplicate is added to fd set",
338 },{
339 .name = "set",
340 .type = QEMU_OPT_NUMBER,
341 .help = "ID of the fd set to add fd to",
342 },{
343 .name = "opaque",
344 .type = QEMU_OPT_STRING,
345 .help = "free-form string used to describe fd",
346 },
347 { /* end of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_object_opts = {
352 .name = "object",
353 .implied_opt_name = "qom-type",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
355 .desc = {
356 { }
357 },
358 };
359
360 static QemuOptsList qemu_tpmdev_opts = {
361 .name = "tpmdev",
362 .implied_opt_name = "type",
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
364 .desc = {
365 /* options are defined in the TPM backends */
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_realtime_opts = {
371 .name = "realtime",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
373 .desc = {
374 {
375 .name = "mlock",
376 .type = QEMU_OPT_BOOL,
377 },
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_msg_opts = {
383 .name = "msg",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
385 .desc = {
386 {
387 .name = "timestamp",
388 .type = QEMU_OPT_BOOL,
389 },
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_name_opts = {
395 .name = "name",
396 .implied_opt_name = "guest",
397 .merge_lists = true,
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
399 .desc = {
400 {
401 .name = "guest",
402 .type = QEMU_OPT_STRING,
403 .help = "Sets the name of the guest.\n"
404 "This name will be displayed in the SDL window caption.\n"
405 "The name will also be used for the VNC server",
406 }, {
407 .name = "process",
408 .type = QEMU_OPT_STRING,
409 .help = "Sets the name of the QEMU process, as shown in top etc",
410 }, {
411 .name = "debug-threads",
412 .type = QEMU_OPT_BOOL,
413 .help = "When enabled, name the individual threads; defaults off.\n"
414 "NOTE: The thread names are for debugging and not a\n"
415 "stable API.",
416 },
417 { /* End of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_mem_opts = {
422 .name = "memory",
423 .implied_opt_name = "size",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
425 .merge_lists = true,
426 .desc = {
427 {
428 .name = "size",
429 .type = QEMU_OPT_SIZE,
430 },
431 {
432 .name = "slots",
433 .type = QEMU_OPT_NUMBER,
434 },
435 {
436 .name = "maxmem",
437 .type = QEMU_OPT_SIZE,
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_icount_opts = {
444 .name = "icount",
445 .implied_opt_name = "shift",
446 .merge_lists = true,
447 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
448 .desc = {
449 {
450 .name = "shift",
451 .type = QEMU_OPT_STRING,
452 }, {
453 .name = "align",
454 .type = QEMU_OPT_BOOL,
455 }, {
456 .name = "sleep",
457 .type = QEMU_OPT_BOOL,
458 }, {
459 .name = "rr",
460 .type = QEMU_OPT_STRING,
461 }, {
462 .name = "rrfile",
463 .type = QEMU_OPT_STRING,
464 },
465 { /* end of list */ }
466 },
467 };
468
469 static QemuOptsList qemu_semihosting_config_opts = {
470 .name = "semihosting-config",
471 .implied_opt_name = "enable",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
473 .desc = {
474 {
475 .name = "enable",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "target",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "arg",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_fw_cfg_opts = {
489 .name = "fw_cfg",
490 .implied_opt_name = "name",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
492 .desc = {
493 {
494 .name = "name",
495 .type = QEMU_OPT_STRING,
496 .help = "Sets the fw_cfg name of the blob to be inserted",
497 }, {
498 .name = "file",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the file from which\n"
501 "the fw_cfg blob will be loaded",
502 }, {
503 .name = "string",
504 .type = QEMU_OPT_STRING,
505 .help = "Sets content of the blob to be inserted from a string",
506 },
507 { /* end of list */ }
508 },
509 };
510
511 #ifdef CONFIG_LIBISCSI
512 static QemuOptsList qemu_iscsi_opts = {
513 .name = "iscsi",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
515 .desc = {
516 {
517 .name = "user",
518 .type = QEMU_OPT_STRING,
519 .help = "username for CHAP authentication to target",
520 },{
521 .name = "password",
522 .type = QEMU_OPT_STRING,
523 .help = "password for CHAP authentication to target",
524 },{
525 .name = "password-secret",
526 .type = QEMU_OPT_STRING,
527 .help = "ID of the secret providing password for CHAP "
528 "authentication to target",
529 },{
530 .name = "header-digest",
531 .type = QEMU_OPT_STRING,
532 .help = "HeaderDigest setting. "
533 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
534 },{
535 .name = "initiator-name",
536 .type = QEMU_OPT_STRING,
537 .help = "Initiator iqn name to use when connecting",
538 },{
539 .name = "timeout",
540 .type = QEMU_OPT_NUMBER,
541 .help = "Request timeout in seconds (default 0 = no timeout)",
542 },
543 { /* end of list */ }
544 },
545 };
546 #endif
547
548 /**
549 * Get machine options
550 *
551 * Returns: machine options (never null).
552 */
553 QemuOpts *qemu_get_machine_opts(void)
554 {
555 return qemu_find_opts_singleton("machine");
556 }
557
558 const char *qemu_get_vm_name(void)
559 {
560 return qemu_name;
561 }
562
563 static void res_free(void)
564 {
565 g_free(boot_splash_filedata);
566 boot_splash_filedata = NULL;
567 }
568
569 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
570 {
571 const char *driver = qemu_opt_get(opts, "driver");
572 int i;
573
574 if (!driver)
575 return 0;
576 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
577 if (strcmp(default_list[i].driver, driver) != 0)
578 continue;
579 *(default_list[i].flag) = 0;
580 }
581 return 0;
582 }
583
584 /***********************************************************/
585 /* QEMU state */
586
587 static RunState current_run_state = RUN_STATE_PRELAUNCH;
588
589 /* We use RUN_STATE__MAX but any invalid value will do */
590 static RunState vmstop_requested = RUN_STATE__MAX;
591 static QemuMutex vmstop_lock;
592
593 typedef struct {
594 RunState from;
595 RunState to;
596 } RunStateTransition;
597
598 static const RunStateTransition runstate_transitions_def[] = {
599 /* from -> to */
600 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
601 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
605 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
608 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
610 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
611 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
615
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
621 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
625 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
627
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
635
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
642
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
653
654 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
655
656 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
659
660 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
661 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
662 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
663 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
665
666 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
667 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
673
674 { RUN_STATE__MAX, RUN_STATE__MAX },
675 };
676
677 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
678
679 bool runstate_check(RunState state)
680 {
681 return current_run_state == state;
682 }
683
684 bool runstate_store(char *str, size_t size)
685 {
686 const char *state = RunState_lookup[current_run_state];
687 size_t len = strlen(state) + 1;
688
689 if (len > size) {
690 return false;
691 }
692 memcpy(str, state, len);
693 return true;
694 }
695
696 static void runstate_init(void)
697 {
698 const RunStateTransition *p;
699
700 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
701 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
702 runstate_valid_transitions[p->from][p->to] = true;
703 }
704
705 qemu_mutex_init(&vmstop_lock);
706 }
707
708 /* This function will abort() on invalid state transitions */
709 void runstate_set(RunState new_state)
710 {
711 assert(new_state < RUN_STATE__MAX);
712
713 if (current_run_state == new_state) {
714 return;
715 }
716
717 if (!runstate_valid_transitions[current_run_state][new_state]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_lookup[current_run_state],
720 RunState_lookup[new_state]);
721 abort();
722 }
723 trace_runstate_set(new_state);
724 current_run_state = new_state;
725 }
726
727 int runstate_is_running(void)
728 {
729 return runstate_check(RUN_STATE_RUNNING);
730 }
731
732 bool runstate_needs_reset(void)
733 {
734 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
735 runstate_check(RUN_STATE_SHUTDOWN);
736 }
737
738 StatusInfo *qmp_query_status(Error **errp)
739 {
740 StatusInfo *info = g_malloc0(sizeof(*info));
741
742 info->running = runstate_is_running();
743 info->singlestep = singlestep;
744 info->status = current_run_state;
745
746 return info;
747 }
748
749 static bool qemu_vmstop_requested(RunState *r)
750 {
751 qemu_mutex_lock(&vmstop_lock);
752 *r = vmstop_requested;
753 vmstop_requested = RUN_STATE__MAX;
754 qemu_mutex_unlock(&vmstop_lock);
755 return *r < RUN_STATE__MAX;
756 }
757
758 void qemu_system_vmstop_request_prepare(void)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 }
762
763 void qemu_system_vmstop_request(RunState state)
764 {
765 vmstop_requested = state;
766 qemu_mutex_unlock(&vmstop_lock);
767 qemu_notify_event();
768 }
769
770 void vm_start(void)
771 {
772 RunState requested;
773
774 qemu_vmstop_requested(&requested);
775 if (runstate_is_running() && requested == RUN_STATE__MAX) {
776 return;
777 }
778
779 /* Ensure that a STOP/RESUME pair of events is emitted if a
780 * vmstop request was pending. The BLOCK_IO_ERROR event, for
781 * example, according to documentation is always followed by
782 * the STOP event.
783 */
784 if (runstate_is_running()) {
785 qapi_event_send_stop(&error_abort);
786 } else {
787 replay_enable_events();
788 cpu_enable_ticks();
789 runstate_set(RUN_STATE_RUNNING);
790 vm_state_notify(1, RUN_STATE_RUNNING);
791 resume_all_vcpus();
792 }
793
794 qapi_event_send_resume(&error_abort);
795 }
796
797
798 /***********************************************************/
799 /* real time host monotonic timer */
800
801 static time_t qemu_time(void)
802 {
803 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
804 }
805
806 /***********************************************************/
807 /* host time/date access */
808 void qemu_get_timedate(struct tm *tm, int offset)
809 {
810 time_t ti = qemu_time();
811
812 ti += offset;
813 if (rtc_date_offset == -1) {
814 if (rtc_utc)
815 gmtime_r(&ti, tm);
816 else
817 localtime_r(&ti, tm);
818 } else {
819 ti -= rtc_date_offset;
820 gmtime_r(&ti, tm);
821 }
822 }
823
824 int qemu_timedate_diff(struct tm *tm)
825 {
826 time_t seconds;
827
828 if (rtc_date_offset == -1)
829 if (rtc_utc)
830 seconds = mktimegm(tm);
831 else {
832 struct tm tmp = *tm;
833 tmp.tm_isdst = -1; /* use timezone to figure it out */
834 seconds = mktime(&tmp);
835 }
836 else
837 seconds = mktimegm(tm) + rtc_date_offset;
838
839 return seconds - qemu_time();
840 }
841
842 static void configure_rtc_date_offset(const char *startdate, int legacy)
843 {
844 time_t rtc_start_date;
845 struct tm tm;
846
847 if (!strcmp(startdate, "now") && legacy) {
848 rtc_date_offset = -1;
849 } else {
850 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
851 &tm.tm_year,
852 &tm.tm_mon,
853 &tm.tm_mday,
854 &tm.tm_hour,
855 &tm.tm_min,
856 &tm.tm_sec) == 6) {
857 /* OK */
858 } else if (sscanf(startdate, "%d-%d-%d",
859 &tm.tm_year,
860 &tm.tm_mon,
861 &tm.tm_mday) == 3) {
862 tm.tm_hour = 0;
863 tm.tm_min = 0;
864 tm.tm_sec = 0;
865 } else {
866 goto date_fail;
867 }
868 tm.tm_year -= 1900;
869 tm.tm_mon--;
870 rtc_start_date = mktimegm(&tm);
871 if (rtc_start_date == -1) {
872 date_fail:
873 error_report("invalid date format");
874 error_printf("valid formats: "
875 "'2006-06-17T16:01:21' or '2006-06-17'\n");
876 exit(1);
877 }
878 rtc_date_offset = qemu_time() - rtc_start_date;
879 }
880 }
881
882 static void configure_rtc(QemuOpts *opts)
883 {
884 const char *value;
885
886 value = qemu_opt_get(opts, "base");
887 if (value) {
888 if (!strcmp(value, "utc")) {
889 rtc_utc = 1;
890 } else if (!strcmp(value, "localtime")) {
891 Error *blocker = NULL;
892 rtc_utc = 0;
893 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
894 "-rtc base=localtime");
895 replay_add_blocker(blocker);
896 } else {
897 configure_rtc_date_offset(value, 0);
898 }
899 }
900 value = qemu_opt_get(opts, "clock");
901 if (value) {
902 if (!strcmp(value, "host")) {
903 rtc_clock = QEMU_CLOCK_HOST;
904 } else if (!strcmp(value, "rt")) {
905 rtc_clock = QEMU_CLOCK_REALTIME;
906 } else if (!strcmp(value, "vm")) {
907 rtc_clock = QEMU_CLOCK_VIRTUAL;
908 } else {
909 error_report("invalid option value '%s'", value);
910 exit(1);
911 }
912 }
913 value = qemu_opt_get(opts, "driftfix");
914 if (value) {
915 if (!strcmp(value, "slew")) {
916 static GlobalProperty slew_lost_ticks = {
917 .driver = "mc146818rtc",
918 .property = "lost_tick_policy",
919 .value = "slew",
920 };
921
922 qdev_prop_register_global(&slew_lost_ticks);
923 } else if (!strcmp(value, "none")) {
924 /* discard is default */
925 } else {
926 error_report("invalid option value '%s'", value);
927 exit(1);
928 }
929 }
930 }
931
932 /***********************************************************/
933 /* Bluetooth support */
934 static int nb_hcis;
935 static int cur_hci;
936 static struct HCIInfo *hci_table[MAX_NICS];
937
938 struct HCIInfo *qemu_next_hci(void)
939 {
940 if (cur_hci == nb_hcis)
941 return &null_hci;
942
943 return hci_table[cur_hci++];
944 }
945
946 static int bt_hci_parse(const char *str)
947 {
948 struct HCIInfo *hci;
949 bdaddr_t bdaddr;
950
951 if (nb_hcis >= MAX_NICS) {
952 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
953 return -1;
954 }
955
956 hci = hci_init(str);
957 if (!hci)
958 return -1;
959
960 bdaddr.b[0] = 0x52;
961 bdaddr.b[1] = 0x54;
962 bdaddr.b[2] = 0x00;
963 bdaddr.b[3] = 0x12;
964 bdaddr.b[4] = 0x34;
965 bdaddr.b[5] = 0x56 + nb_hcis;
966 hci->bdaddr_set(hci, bdaddr.b);
967
968 hci_table[nb_hcis++] = hci;
969
970 return 0;
971 }
972
973 static void bt_vhci_add(int vlan_id)
974 {
975 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 error_report("warning: adding a VHCI to an empty scatternet %i",
979 vlan_id);
980
981 bt_vhci_init(bt_new_hci(vlan));
982 }
983
984 static struct bt_device_s *bt_device_add(const char *opt)
985 {
986 struct bt_scatternet_s *vlan;
987 int vlan_id = 0;
988 char *endp = strstr(opt, ",vlan=");
989 int len = (endp ? endp - opt : strlen(opt)) + 1;
990 char devname[10];
991
992 pstrcpy(devname, MIN(sizeof(devname), len), opt);
993
994 if (endp) {
995 vlan_id = strtol(endp + 6, &endp, 0);
996 if (*endp) {
997 error_report("unrecognised bluetooth vlan Id");
998 return 0;
999 }
1000 }
1001
1002 vlan = qemu_find_bt_vlan(vlan_id);
1003
1004 if (!vlan->slave)
1005 error_report("warning: adding a slave device to an empty scatternet %i",
1006 vlan_id);
1007
1008 if (!strcmp(devname, "keyboard"))
1009 return bt_keyboard_init(vlan);
1010
1011 error_report("unsupported bluetooth device '%s'", devname);
1012 return 0;
1013 }
1014
1015 static int bt_parse(const char *opt)
1016 {
1017 const char *endp, *p;
1018 int vlan;
1019
1020 if (strstart(opt, "hci", &endp)) {
1021 if (!*endp || *endp == ',') {
1022 if (*endp)
1023 if (!strstart(endp, ",vlan=", 0))
1024 opt = endp + 1;
1025
1026 return bt_hci_parse(opt);
1027 }
1028 } else if (strstart(opt, "vhci", &endp)) {
1029 if (!*endp || *endp == ',') {
1030 if (*endp) {
1031 if (strstart(endp, ",vlan=", &p)) {
1032 vlan = strtol(p, (char **) &endp, 0);
1033 if (*endp) {
1034 error_report("bad scatternet '%s'", p);
1035 return 1;
1036 }
1037 } else {
1038 error_report("bad parameter '%s'", endp + 1);
1039 return 1;
1040 }
1041 } else
1042 vlan = 0;
1043
1044 bt_vhci_add(vlan);
1045 return 0;
1046 }
1047 } else if (strstart(opt, "device:", &endp))
1048 return !bt_device_add(endp);
1049
1050 error_report("bad bluetooth parameter '%s'", opt);
1051 return 1;
1052 }
1053
1054 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1055 {
1056 /* FIXME: change this to true for 1.3 */
1057 if (qemu_opt_get_bool(opts, "enable", false)) {
1058 #ifdef CONFIG_SECCOMP
1059 if (seccomp_start() < 0) {
1060 error_report("failed to install seccomp syscall filter "
1061 "in the kernel");
1062 return -1;
1063 }
1064 #else
1065 error_report("seccomp support is disabled");
1066 return -1;
1067 #endif
1068 }
1069
1070 return 0;
1071 }
1072
1073 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 const char *proc_name;
1076
1077 if (qemu_opt_get(opts, "debug-threads")) {
1078 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1079 }
1080 qemu_name = qemu_opt_get(opts, "guest");
1081
1082 proc_name = qemu_opt_get(opts, "process");
1083 if (proc_name) {
1084 os_set_proc_name(proc_name);
1085 }
1086
1087 return 0;
1088 }
1089
1090 bool defaults_enabled(void)
1091 {
1092 return has_defaults;
1093 }
1094
1095 #ifndef _WIN32
1096 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1097 {
1098 int fd, dupfd, flags;
1099 int64_t fdset_id;
1100 const char *fd_opaque = NULL;
1101 AddfdInfo *fdinfo;
1102
1103 fd = qemu_opt_get_number(opts, "fd", -1);
1104 fdset_id = qemu_opt_get_number(opts, "set", -1);
1105 fd_opaque = qemu_opt_get(opts, "opaque");
1106
1107 if (fd < 0) {
1108 error_report("fd option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 if (fd <= STDERR_FILENO) {
1113 error_report("fd cannot be a standard I/O stream");
1114 return -1;
1115 }
1116
1117 /*
1118 * All fds inherited across exec() necessarily have FD_CLOEXEC
1119 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1120 */
1121 flags = fcntl(fd, F_GETFD);
1122 if (flags == -1 || (flags & FD_CLOEXEC)) {
1123 error_report("fd is not valid or already in use");
1124 return -1;
1125 }
1126
1127 if (fdset_id < 0) {
1128 error_report("set option is required and must be non-negative");
1129 return -1;
1130 }
1131
1132 #ifdef F_DUPFD_CLOEXEC
1133 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1134 #else
1135 dupfd = dup(fd);
1136 if (dupfd != -1) {
1137 qemu_set_cloexec(dupfd);
1138 }
1139 #endif
1140 if (dupfd == -1) {
1141 error_report("error duplicating fd: %s", strerror(errno));
1142 return -1;
1143 }
1144
1145 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1146 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1147 &error_abort);
1148 g_free(fdinfo);
1149
1150 return 0;
1151 }
1152
1153 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1154 {
1155 int fd;
1156
1157 fd = qemu_opt_get_number(opts, "fd", -1);
1158 close(fd);
1159
1160 return 0;
1161 }
1162 #endif
1163
1164 /***********************************************************/
1165 /* QEMU Block devices */
1166
1167 #define HD_OPTS "media=disk"
1168 #define CDROM_OPTS "media=cdrom"
1169 #define FD_OPTS ""
1170 #define PFLASH_OPTS ""
1171 #define MTD_OPTS ""
1172 #define SD_OPTS ""
1173
1174 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1175 {
1176 BlockInterfaceType *block_default_type = opaque;
1177
1178 return drive_new(opts, *block_default_type) == NULL;
1179 }
1180
1181 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1182 {
1183 if (qemu_opt_get(opts, "snapshot") == NULL) {
1184 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1185 }
1186 return 0;
1187 }
1188
1189 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1190 int index, const char *optstr)
1191 {
1192 QemuOpts *opts;
1193 DriveInfo *dinfo;
1194
1195 if (!enable || drive_get_by_index(type, index)) {
1196 return;
1197 }
1198
1199 opts = drive_add(type, index, NULL, optstr);
1200 if (snapshot) {
1201 drive_enable_snapshot(NULL, opts, NULL);
1202 }
1203
1204 dinfo = drive_new(opts, type);
1205 if (!dinfo) {
1206 exit(1);
1207 }
1208 dinfo->is_default = true;
1209
1210 }
1211
1212 static QemuOptsList qemu_smp_opts = {
1213 .name = "smp-opts",
1214 .implied_opt_name = "cpus",
1215 .merge_lists = true,
1216 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1217 .desc = {
1218 {
1219 .name = "cpus",
1220 .type = QEMU_OPT_NUMBER,
1221 }, {
1222 .name = "sockets",
1223 .type = QEMU_OPT_NUMBER,
1224 }, {
1225 .name = "cores",
1226 .type = QEMU_OPT_NUMBER,
1227 }, {
1228 .name = "threads",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "maxcpus",
1232 .type = QEMU_OPT_NUMBER,
1233 },
1234 { /*End of list */ }
1235 },
1236 };
1237
1238 static void smp_parse(QemuOpts *opts)
1239 {
1240 if (opts) {
1241 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1242 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1243 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1244 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1245
1246 /* compute missing values, prefer sockets over cores over threads */
1247 if (cpus == 0 || sockets == 0) {
1248 sockets = sockets > 0 ? sockets : 1;
1249 cores = cores > 0 ? cores : 1;
1250 threads = threads > 0 ? threads : 1;
1251 if (cpus == 0) {
1252 cpus = cores * threads * sockets;
1253 }
1254 } else if (cores == 0) {
1255 threads = threads > 0 ? threads : 1;
1256 cores = cpus / (sockets * threads);
1257 cores = cores > 0 ? cores : 1;
1258 } else if (threads == 0) {
1259 threads = cpus / (cores * sockets);
1260 threads = threads > 0 ? threads : 1;
1261 } else if (sockets * cores * threads < cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) < "
1264 "smp_cpus (%u)",
1265 sockets, cores, threads, cpus);
1266 exit(1);
1267 }
1268
1269 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1270
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1273 exit(1);
1274 }
1275
1276 if (max_cpus < cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (sockets * cores * threads > max_cpus) {
1282 error_report("cpu topology: "
1283 "sockets (%u) * cores (%u) * threads (%u) > "
1284 "maxcpus (%u)",
1285 sockets, cores, threads, max_cpus);
1286 exit(1);
1287 }
1288
1289 smp_cpus = cpus;
1290 smp_cores = cores;
1291 smp_threads = threads;
1292 }
1293
1294 if (smp_cpus > 1) {
1295 Error *blocker = NULL;
1296 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1297 replay_add_blocker(blocker);
1298 }
1299 }
1300
1301 static void realtime_init(void)
1302 {
1303 if (enable_mlock) {
1304 if (os_mlock() < 0) {
1305 error_report("locking memory failed");
1306 exit(1);
1307 }
1308 }
1309 }
1310
1311
1312 static void configure_msg(QemuOpts *opts)
1313 {
1314 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1315 }
1316
1317 /***********************************************************/
1318 /* Semihosting */
1319
1320 typedef struct SemihostingConfig {
1321 bool enabled;
1322 SemihostingTarget target;
1323 const char **argv;
1324 int argc;
1325 const char *cmdline; /* concatenated argv */
1326 } SemihostingConfig;
1327
1328 static SemihostingConfig semihosting;
1329
1330 bool semihosting_enabled(void)
1331 {
1332 return semihosting.enabled;
1333 }
1334
1335 SemihostingTarget semihosting_get_target(void)
1336 {
1337 return semihosting.target;
1338 }
1339
1340 const char *semihosting_get_arg(int i)
1341 {
1342 if (i >= semihosting.argc) {
1343 return NULL;
1344 }
1345 return semihosting.argv[i];
1346 }
1347
1348 int semihosting_get_argc(void)
1349 {
1350 return semihosting.argc;
1351 }
1352
1353 const char *semihosting_get_cmdline(void)
1354 {
1355 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1356 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1357 }
1358 return semihosting.cmdline;
1359 }
1360
1361 static int add_semihosting_arg(void *opaque,
1362 const char *name, const char *val,
1363 Error **errp)
1364 {
1365 SemihostingConfig *s = opaque;
1366 if (strcmp(name, "arg") == 0) {
1367 s->argc++;
1368 /* one extra element as g_strjoinv() expects NULL-terminated array */
1369 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1370 s->argv[s->argc - 1] = val;
1371 s->argv[s->argc] = NULL;
1372 }
1373 return 0;
1374 }
1375
1376 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1377 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1378 {
1379 char *cmd_token;
1380
1381 /* argv[0] */
1382 add_semihosting_arg(&semihosting, "arg", file, NULL);
1383
1384 /* split -append and initialize argv[1..n] */
1385 cmd_token = strtok(g_strdup(cmd), " ");
1386 while (cmd_token) {
1387 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1388 cmd_token = strtok(NULL, " ");
1389 }
1390 }
1391
1392 /* Now we still need this for compatibility with XEN. */
1393 bool has_igd_gfx_passthru;
1394 static void igd_gfx_passthru(void)
1395 {
1396 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1397 }
1398
1399 /***********************************************************/
1400 /* USB devices */
1401
1402 static int usb_device_add(const char *devname)
1403 {
1404 USBDevice *dev = NULL;
1405 #ifndef CONFIG_LINUX
1406 const char *p;
1407 #endif
1408
1409 if (!machine_usb(current_machine)) {
1410 return -1;
1411 }
1412
1413 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1414 dev = usbdevice_create(devname);
1415 if (dev)
1416 goto done;
1417
1418 /* the other ones */
1419 #ifndef CONFIG_LINUX
1420 /* only the linux version is qdev-ified, usb-bsd still needs this */
1421 if (strstart(devname, "host:", &p)) {
1422 dev = usb_host_device_open(usb_bus_find(-1), p);
1423 }
1424 #endif
1425 if (!dev)
1426 return -1;
1427
1428 done:
1429 return 0;
1430 }
1431
1432 static int usb_device_del(const char *devname)
1433 {
1434 int bus_num, addr;
1435 const char *p;
1436
1437 if (strstart(devname, "host:", &p)) {
1438 return -1;
1439 }
1440
1441 if (!machine_usb(current_machine)) {
1442 return -1;
1443 }
1444
1445 p = strchr(devname, '.');
1446 if (!p)
1447 return -1;
1448 bus_num = strtoul(devname, NULL, 0);
1449 addr = strtoul(p + 1, NULL, 0);
1450
1451 return usb_device_delete_addr(bus_num, addr);
1452 }
1453
1454 static int usb_parse(const char *cmdline)
1455 {
1456 int r;
1457 r = usb_device_add(cmdline);
1458 if (r < 0) {
1459 error_report("could not add USB device '%s'", cmdline);
1460 }
1461 return r;
1462 }
1463
1464 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1465 {
1466 const char *devname = qdict_get_str(qdict, "devname");
1467 if (usb_device_add(devname) < 0) {
1468 error_report("could not add USB device '%s'", devname);
1469 }
1470 }
1471
1472 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1473 {
1474 const char *devname = qdict_get_str(qdict, "devname");
1475 if (usb_device_del(devname) < 0) {
1476 error_report("could not delete USB device '%s'", devname);
1477 }
1478 }
1479
1480 /***********************************************************/
1481 /* machine registration */
1482
1483 MachineState *current_machine;
1484
1485 static MachineClass *find_machine(const char *name)
1486 {
1487 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1488 MachineClass *mc = NULL;
1489
1490 for (el = machines; el; el = el->next) {
1491 MachineClass *temp = el->data;
1492
1493 if (!strcmp(temp->name, name)) {
1494 mc = temp;
1495 break;
1496 }
1497 if (temp->alias &&
1498 !strcmp(temp->alias, name)) {
1499 mc = temp;
1500 break;
1501 }
1502 }
1503
1504 g_slist_free(machines);
1505 return mc;
1506 }
1507
1508 MachineClass *find_default_machine(void)
1509 {
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineClass *mc = NULL;
1512
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *temp = el->data;
1515
1516 if (temp->is_default) {
1517 mc = temp;
1518 break;
1519 }
1520 }
1521
1522 g_slist_free(machines);
1523 return mc;
1524 }
1525
1526 MachineInfoList *qmp_query_machines(Error **errp)
1527 {
1528 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1529 MachineInfoList *mach_list = NULL;
1530
1531 for (el = machines; el; el = el->next) {
1532 MachineClass *mc = el->data;
1533 MachineInfoList *entry;
1534 MachineInfo *info;
1535
1536 info = g_malloc0(sizeof(*info));
1537 if (mc->is_default) {
1538 info->has_is_default = true;
1539 info->is_default = true;
1540 }
1541
1542 if (mc->alias) {
1543 info->has_alias = true;
1544 info->alias = g_strdup(mc->alias);
1545 }
1546
1547 info->name = g_strdup(mc->name);
1548 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1549 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1550
1551 entry = g_malloc0(sizeof(*entry));
1552 entry->value = info;
1553 entry->next = mach_list;
1554 mach_list = entry;
1555 }
1556
1557 g_slist_free(machines);
1558 return mach_list;
1559 }
1560
1561 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1562 {
1563 ObjectProperty *prop;
1564 ObjectPropertyIterator iter;
1565
1566 if (!qemu_opt_has_help_opt(opts)) {
1567 return 0;
1568 }
1569
1570 object_property_iter_init(&iter, OBJECT(machine));
1571 while ((prop = object_property_iter_next(&iter))) {
1572 if (!prop->set) {
1573 continue;
1574 }
1575
1576 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1577 prop->name, prop->type);
1578 if (prop->description) {
1579 error_printf(" (%s)\n", prop->description);
1580 } else {
1581 error_printf("\n");
1582 }
1583 }
1584
1585 return 1;
1586 }
1587
1588 /***********************************************************/
1589 /* main execution loop */
1590
1591 struct vm_change_state_entry {
1592 VMChangeStateHandler *cb;
1593 void *opaque;
1594 QLIST_ENTRY (vm_change_state_entry) entries;
1595 };
1596
1597 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1598
1599 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1600 void *opaque)
1601 {
1602 VMChangeStateEntry *e;
1603
1604 e = g_malloc0(sizeof (*e));
1605
1606 e->cb = cb;
1607 e->opaque = opaque;
1608 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1609 return e;
1610 }
1611
1612 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1613 {
1614 QLIST_REMOVE (e, entries);
1615 g_free (e);
1616 }
1617
1618 void vm_state_notify(int running, RunState state)
1619 {
1620 VMChangeStateEntry *e, *next;
1621
1622 trace_vm_state_notify(running, state);
1623
1624 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1625 e->cb(e->opaque, running, state);
1626 }
1627 }
1628
1629 /* reset/shutdown handler */
1630
1631 typedef struct QEMUResetEntry {
1632 QTAILQ_ENTRY(QEMUResetEntry) entry;
1633 QEMUResetHandler *func;
1634 void *opaque;
1635 } QEMUResetEntry;
1636
1637 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1638 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1639 static int reset_requested;
1640 static int shutdown_requested, shutdown_signal = -1;
1641 static pid_t shutdown_pid;
1642 static int powerdown_requested;
1643 static int debug_requested;
1644 static int suspend_requested;
1645 static WakeupReason wakeup_reason;
1646 static NotifierList powerdown_notifiers =
1647 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1648 static NotifierList suspend_notifiers =
1649 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1650 static NotifierList wakeup_notifiers =
1651 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1652 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1653
1654 int qemu_shutdown_requested_get(void)
1655 {
1656 return shutdown_requested;
1657 }
1658
1659 int qemu_reset_requested_get(void)
1660 {
1661 return reset_requested;
1662 }
1663
1664 static int qemu_shutdown_requested(void)
1665 {
1666 return atomic_xchg(&shutdown_requested, 0);
1667 }
1668
1669 static void qemu_kill_report(void)
1670 {
1671 if (!qtest_driver() && shutdown_signal != -1) {
1672 if (shutdown_pid == 0) {
1673 /* This happens for eg ^C at the terminal, so it's worth
1674 * avoiding printing an odd message in that case.
1675 */
1676 error_report("terminating on signal %d", shutdown_signal);
1677 } else {
1678 error_report("terminating on signal %d from pid " FMT_pid,
1679 shutdown_signal, shutdown_pid);
1680 }
1681 shutdown_signal = -1;
1682 }
1683 }
1684
1685 static int qemu_reset_requested(void)
1686 {
1687 int r = reset_requested;
1688 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1689 reset_requested = 0;
1690 return r;
1691 }
1692 return false;
1693 }
1694
1695 static int qemu_suspend_requested(void)
1696 {
1697 int r = suspend_requested;
1698 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1699 suspend_requested = 0;
1700 return r;
1701 }
1702 return false;
1703 }
1704
1705 static WakeupReason qemu_wakeup_requested(void)
1706 {
1707 return wakeup_reason;
1708 }
1709
1710 static int qemu_powerdown_requested(void)
1711 {
1712 int r = powerdown_requested;
1713 powerdown_requested = 0;
1714 return r;
1715 }
1716
1717 static int qemu_debug_requested(void)
1718 {
1719 int r = debug_requested;
1720 debug_requested = 0;
1721 return r;
1722 }
1723
1724 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1725 {
1726 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1727
1728 re->func = func;
1729 re->opaque = opaque;
1730 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1731 }
1732
1733 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1734 {
1735 QEMUResetEntry *re;
1736
1737 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1738 if (re->func == func && re->opaque == opaque) {
1739 QTAILQ_REMOVE(&reset_handlers, re, entry);
1740 g_free(re);
1741 return;
1742 }
1743 }
1744 }
1745
1746 void qemu_devices_reset(void)
1747 {
1748 QEMUResetEntry *re, *nre;
1749
1750 /* reset all devices */
1751 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1752 re->func(re->opaque);
1753 }
1754 }
1755
1756 void qemu_system_reset(bool report)
1757 {
1758 MachineClass *mc;
1759
1760 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1761
1762 cpu_synchronize_all_states();
1763
1764 if (mc && mc->reset) {
1765 mc->reset();
1766 } else {
1767 qemu_devices_reset();
1768 }
1769 if (report) {
1770 qapi_event_send_reset(&error_abort);
1771 }
1772 cpu_synchronize_all_post_reset();
1773 }
1774
1775 void qemu_system_guest_panicked(void)
1776 {
1777 if (current_cpu) {
1778 current_cpu->crash_occurred = true;
1779 }
1780 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1781 vm_stop(RUN_STATE_GUEST_PANICKED);
1782 }
1783
1784 void qemu_system_reset_request(void)
1785 {
1786 if (no_reboot) {
1787 shutdown_requested = 1;
1788 } else {
1789 reset_requested = 1;
1790 }
1791 cpu_stop_current();
1792 qemu_notify_event();
1793 }
1794
1795 static void qemu_system_suspend(void)
1796 {
1797 pause_all_vcpus();
1798 notifier_list_notify(&suspend_notifiers, NULL);
1799 runstate_set(RUN_STATE_SUSPENDED);
1800 qapi_event_send_suspend(&error_abort);
1801 }
1802
1803 void qemu_system_suspend_request(void)
1804 {
1805 if (runstate_check(RUN_STATE_SUSPENDED)) {
1806 return;
1807 }
1808 suspend_requested = 1;
1809 cpu_stop_current();
1810 qemu_notify_event();
1811 }
1812
1813 void qemu_register_suspend_notifier(Notifier *notifier)
1814 {
1815 notifier_list_add(&suspend_notifiers, notifier);
1816 }
1817
1818 void qemu_system_wakeup_request(WakeupReason reason)
1819 {
1820 trace_system_wakeup_request(reason);
1821
1822 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1823 return;
1824 }
1825 if (!(wakeup_reason_mask & (1 << reason))) {
1826 return;
1827 }
1828 runstate_set(RUN_STATE_RUNNING);
1829 wakeup_reason = reason;
1830 qemu_notify_event();
1831 }
1832
1833 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1834 {
1835 if (enabled) {
1836 wakeup_reason_mask |= (1 << reason);
1837 } else {
1838 wakeup_reason_mask &= ~(1 << reason);
1839 }
1840 }
1841
1842 void qemu_register_wakeup_notifier(Notifier *notifier)
1843 {
1844 notifier_list_add(&wakeup_notifiers, notifier);
1845 }
1846
1847 void qemu_system_killed(int signal, pid_t pid)
1848 {
1849 shutdown_signal = signal;
1850 shutdown_pid = pid;
1851 no_shutdown = 0;
1852
1853 /* Cannot call qemu_system_shutdown_request directly because
1854 * we are in a signal handler.
1855 */
1856 shutdown_requested = 1;
1857 qemu_notify_event();
1858 }
1859
1860 void qemu_system_shutdown_request(void)
1861 {
1862 trace_qemu_system_shutdown_request();
1863 replay_shutdown_request();
1864 shutdown_requested = 1;
1865 qemu_notify_event();
1866 }
1867
1868 static void qemu_system_powerdown(void)
1869 {
1870 qapi_event_send_powerdown(&error_abort);
1871 notifier_list_notify(&powerdown_notifiers, NULL);
1872 }
1873
1874 void qemu_system_powerdown_request(void)
1875 {
1876 trace_qemu_system_powerdown_request();
1877 powerdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 void qemu_register_powerdown_notifier(Notifier *notifier)
1882 {
1883 notifier_list_add(&powerdown_notifiers, notifier);
1884 }
1885
1886 void qemu_system_debug_request(void)
1887 {
1888 debug_requested = 1;
1889 qemu_notify_event();
1890 }
1891
1892 static bool main_loop_should_exit(void)
1893 {
1894 RunState r;
1895 if (qemu_debug_requested()) {
1896 vm_stop(RUN_STATE_DEBUG);
1897 }
1898 if (qemu_suspend_requested()) {
1899 qemu_system_suspend();
1900 }
1901 if (qemu_shutdown_requested()) {
1902 qemu_kill_report();
1903 qapi_event_send_shutdown(&error_abort);
1904 if (no_shutdown) {
1905 vm_stop(RUN_STATE_SHUTDOWN);
1906 } else {
1907 return true;
1908 }
1909 }
1910 if (qemu_reset_requested()) {
1911 pause_all_vcpus();
1912 qemu_system_reset(VMRESET_REPORT);
1913 resume_all_vcpus();
1914 if (!runstate_check(RUN_STATE_RUNNING) &&
1915 !runstate_check(RUN_STATE_INMIGRATE)) {
1916 runstate_set(RUN_STATE_PRELAUNCH);
1917 }
1918 }
1919 if (qemu_wakeup_requested()) {
1920 pause_all_vcpus();
1921 qemu_system_reset(VMRESET_SILENT);
1922 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1923 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1924 resume_all_vcpus();
1925 qapi_event_send_wakeup(&error_abort);
1926 }
1927 if (qemu_powerdown_requested()) {
1928 qemu_system_powerdown();
1929 }
1930 if (qemu_vmstop_requested(&r)) {
1931 vm_stop(r);
1932 }
1933 return false;
1934 }
1935
1936 static void main_loop(void)
1937 {
1938 bool nonblocking;
1939 int last_io = 0;
1940 #ifdef CONFIG_PROFILER
1941 int64_t ti;
1942 #endif
1943 do {
1944 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1945 #ifdef CONFIG_PROFILER
1946 ti = profile_getclock();
1947 #endif
1948 last_io = main_loop_wait(nonblocking);
1949 #ifdef CONFIG_PROFILER
1950 dev_time += profile_getclock() - ti;
1951 #endif
1952 } while (!main_loop_should_exit());
1953 }
1954
1955 static void version(void)
1956 {
1957 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", "
1958 QEMU_COPYRIGHT "\n");
1959 }
1960
1961 static void help(int exitcode)
1962 {
1963 version();
1964 printf("usage: %s [options] [disk_image]\n\n"
1965 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1966 error_get_progname());
1967
1968 #define QEMU_OPTIONS_GENERATE_HELP
1969 #include "qemu-options-wrapper.h"
1970
1971 printf("\nDuring emulation, the following keys are useful:\n"
1972 "ctrl-alt-f toggle full screen\n"
1973 "ctrl-alt-n switch to virtual console 'n'\n"
1974 "ctrl-alt toggle mouse and keyboard grab\n"
1975 "\n"
1976 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1977
1978 exit(exitcode);
1979 }
1980
1981 #define HAS_ARG 0x0001
1982
1983 typedef struct QEMUOption {
1984 const char *name;
1985 int flags;
1986 int index;
1987 uint32_t arch_mask;
1988 } QEMUOption;
1989
1990 static const QEMUOption qemu_options[] = {
1991 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1992 #define QEMU_OPTIONS_GENERATE_OPTIONS
1993 #include "qemu-options-wrapper.h"
1994 { NULL },
1995 };
1996
1997 typedef struct VGAInterfaceInfo {
1998 const char *opt_name; /* option name */
1999 const char *name; /* human-readable name */
2000 /* Class names indicating that support is available.
2001 * If no class is specified, the interface is always available */
2002 const char *class_names[2];
2003 } VGAInterfaceInfo;
2004
2005 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2006 [VGA_NONE] = {
2007 .opt_name = "none",
2008 },
2009 [VGA_STD] = {
2010 .opt_name = "std",
2011 .name = "standard VGA",
2012 .class_names = { "VGA", "isa-vga" },
2013 },
2014 [VGA_CIRRUS] = {
2015 .opt_name = "cirrus",
2016 .name = "Cirrus VGA",
2017 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2018 },
2019 [VGA_VMWARE] = {
2020 .opt_name = "vmware",
2021 .name = "VMWare SVGA",
2022 .class_names = { "vmware-svga" },
2023 },
2024 [VGA_VIRTIO] = {
2025 .opt_name = "virtio",
2026 .name = "Virtio VGA",
2027 .class_names = { "virtio-vga" },
2028 },
2029 [VGA_QXL] = {
2030 .opt_name = "qxl",
2031 .name = "QXL VGA",
2032 .class_names = { "qxl-vga" },
2033 },
2034 [VGA_TCX] = {
2035 .opt_name = "tcx",
2036 .name = "TCX framebuffer",
2037 .class_names = { "SUNW,tcx" },
2038 },
2039 [VGA_CG3] = {
2040 .opt_name = "cg3",
2041 .name = "CG3 framebuffer",
2042 .class_names = { "cgthree" },
2043 },
2044 [VGA_XENFB] = {
2045 .opt_name = "xenfb",
2046 },
2047 };
2048
2049 static bool vga_interface_available(VGAInterfaceType t)
2050 {
2051 VGAInterfaceInfo *ti = &vga_interfaces[t];
2052
2053 assert(t < VGA_TYPE_MAX);
2054 return !ti->class_names[0] ||
2055 object_class_by_name(ti->class_names[0]) ||
2056 object_class_by_name(ti->class_names[1]);
2057 }
2058
2059 static void select_vgahw(const char *p)
2060 {
2061 const char *opts;
2062 int t;
2063
2064 assert(vga_interface_type == VGA_NONE);
2065 for (t = 0; t < VGA_TYPE_MAX; t++) {
2066 VGAInterfaceInfo *ti = &vga_interfaces[t];
2067 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2068 if (!vga_interface_available(t)) {
2069 error_report("%s not available", ti->name);
2070 exit(1);
2071 }
2072 vga_interface_type = t;
2073 break;
2074 }
2075 }
2076 if (t == VGA_TYPE_MAX) {
2077 invalid_vga:
2078 error_report("unknown vga type: %s", p);
2079 exit(1);
2080 }
2081 while (*opts) {
2082 const char *nextopt;
2083
2084 if (strstart(opts, ",retrace=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "dumb", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_DUMB;
2088 else if (strstart(opts, "precise", &nextopt))
2089 vga_retrace_method = VGA_RETRACE_PRECISE;
2090 else goto invalid_vga;
2091 } else goto invalid_vga;
2092 opts = nextopt;
2093 }
2094 }
2095
2096 typedef enum DisplayType {
2097 DT_DEFAULT,
2098 DT_CURSES,
2099 DT_SDL,
2100 DT_COCOA,
2101 DT_GTK,
2102 DT_NONE,
2103 } DisplayType;
2104
2105 static DisplayType select_display(const char *p)
2106 {
2107 const char *opts;
2108 DisplayType display = DT_DEFAULT;
2109
2110 if (strstart(p, "sdl", &opts)) {
2111 #ifdef CONFIG_SDL
2112 display = DT_SDL;
2113 while (*opts) {
2114 const char *nextopt;
2115
2116 if (strstart(opts, ",frame=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 no_frame = 0;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 no_frame = 1;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 alt_grab = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 alt_grab = 0;
2131 } else {
2132 goto invalid_sdl_args;
2133 }
2134 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2135 opts = nextopt;
2136 if (strstart(opts, "on", &nextopt)) {
2137 ctrl_grab = 1;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 ctrl_grab = 0;
2140 } else {
2141 goto invalid_sdl_args;
2142 }
2143 } else if (strstart(opts, ",window_close=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "on", &nextopt)) {
2146 no_quit = 0;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 no_quit = 1;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
2152 } else if (strstart(opts, ",gl=", &nextopt)) {
2153 opts = nextopt;
2154 if (strstart(opts, "on", &nextopt)) {
2155 request_opengl = 1;
2156 } else if (strstart(opts, "off", &nextopt)) {
2157 request_opengl = 0;
2158 } else {
2159 goto invalid_sdl_args;
2160 }
2161 } else {
2162 invalid_sdl_args:
2163 error_report("invalid SDL option string");
2164 exit(1);
2165 }
2166 opts = nextopt;
2167 }
2168 #else
2169 error_report("SDL support is disabled");
2170 exit(1);
2171 #endif
2172 } else if (strstart(p, "vnc", &opts)) {
2173 if (*opts == '=') {
2174 vnc_parse(opts + 1, &error_fatal);
2175 } else {
2176 error_report("VNC requires a display argument vnc=<display>");
2177 exit(1);
2178 }
2179 } else if (strstart(p, "curses", &opts)) {
2180 #ifdef CONFIG_CURSES
2181 display = DT_CURSES;
2182 #else
2183 error_report("curses support is disabled");
2184 exit(1);
2185 #endif
2186 } else if (strstart(p, "gtk", &opts)) {
2187 #ifdef CONFIG_GTK
2188 display = DT_GTK;
2189 while (*opts) {
2190 const char *nextopt;
2191
2192 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "on", &nextopt)) {
2195 grab_on_hover = true;
2196 } else if (strstart(opts, "off", &nextopt)) {
2197 grab_on_hover = false;
2198 } else {
2199 goto invalid_gtk_args;
2200 }
2201 } else if (strstart(opts, ",gl=", &nextopt)) {
2202 opts = nextopt;
2203 if (strstart(opts, "on", &nextopt)) {
2204 request_opengl = 1;
2205 } else if (strstart(opts, "off", &nextopt)) {
2206 request_opengl = 0;
2207 } else {
2208 goto invalid_gtk_args;
2209 }
2210 } else {
2211 invalid_gtk_args:
2212 error_report("invalid GTK option string");
2213 exit(1);
2214 }
2215 opts = nextopt;
2216 }
2217 #else
2218 error_report("GTK support is disabled");
2219 exit(1);
2220 #endif
2221 } else if (strstart(p, "none", &opts)) {
2222 display = DT_NONE;
2223 } else {
2224 error_report("unknown display type");
2225 exit(1);
2226 }
2227
2228 return display;
2229 }
2230
2231 static int balloon_parse(const char *arg)
2232 {
2233 QemuOpts *opts;
2234
2235 if (strcmp(arg, "none") == 0) {
2236 return 0;
2237 }
2238
2239 if (!strncmp(arg, "virtio", 6)) {
2240 if (arg[6] == ',') {
2241 /* have params -> parse them */
2242 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2243 false);
2244 if (!opts)
2245 return -1;
2246 } else {
2247 /* create empty opts */
2248 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2249 &error_abort);
2250 }
2251 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2252 return 0;
2253 }
2254
2255 return -1;
2256 }
2257
2258 char *qemu_find_file(int type, const char *name)
2259 {
2260 int i;
2261 const char *subdir;
2262 char *buf;
2263
2264 /* Try the name as a straight path first */
2265 if (access(name, R_OK) == 0) {
2266 trace_load_file(name, name);
2267 return g_strdup(name);
2268 }
2269
2270 switch (type) {
2271 case QEMU_FILE_TYPE_BIOS:
2272 subdir = "";
2273 break;
2274 case QEMU_FILE_TYPE_KEYMAP:
2275 subdir = "keymaps/";
2276 break;
2277 default:
2278 abort();
2279 }
2280
2281 for (i = 0; i < data_dir_idx; i++) {
2282 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2283 if (access(buf, R_OK) == 0) {
2284 trace_load_file(name, buf);
2285 return buf;
2286 }
2287 g_free(buf);
2288 }
2289 return NULL;
2290 }
2291
2292 static inline bool nonempty_str(const char *str)
2293 {
2294 return str && *str;
2295 }
2296
2297 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 gchar *buf;
2300 size_t size;
2301 const char *name, *file, *str;
2302 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2303
2304 if (fw_cfg == NULL) {
2305 error_report("fw_cfg device not available");
2306 return -1;
2307 }
2308 name = qemu_opt_get(opts, "name");
2309 file = qemu_opt_get(opts, "file");
2310 str = qemu_opt_get(opts, "string");
2311
2312 /* we need name and either a file or the content string */
2313 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2314 error_report("invalid argument(s)");
2315 return -1;
2316 }
2317 if (nonempty_str(file) && nonempty_str(str)) {
2318 error_report("file and string are mutually exclusive");
2319 return -1;
2320 }
2321 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2322 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2323 return -1;
2324 }
2325 if (strncmp(name, "opt/", 4) != 0) {
2326 error_report("warning: externally provided fw_cfg item names "
2327 "should be prefixed with \"opt/\"");
2328 }
2329 if (nonempty_str(str)) {
2330 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2331 buf = g_memdup(str, size);
2332 } else {
2333 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2334 error_report("can't load %s", file);
2335 return -1;
2336 }
2337 }
2338 /* For legacy, keep user files in a specific global order. */
2339 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2340 fw_cfg_add_file(fw_cfg, name, buf, size);
2341 fw_cfg_reset_order_override(fw_cfg);
2342 return 0;
2343 }
2344
2345 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 return qdev_device_help(opts);
2348 }
2349
2350 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2351 {
2352 Error *err = NULL;
2353 DeviceState *dev;
2354
2355 dev = qdev_device_add(opts, &err);
2356 if (!dev) {
2357 error_report_err(err);
2358 return -1;
2359 }
2360 object_unref(OBJECT(dev));
2361 return 0;
2362 }
2363
2364 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 Error *local_err = NULL;
2367
2368 qemu_chr_new_from_opts(opts, NULL, &local_err);
2369 if (local_err) {
2370 error_report_err(local_err);
2371 return -1;
2372 }
2373 return 0;
2374 }
2375
2376 #ifdef CONFIG_VIRTFS
2377 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2378 {
2379 return qemu_fsdev_add(opts);
2380 }
2381 #endif
2382
2383 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 CharDriverState *chr;
2386 const char *chardev;
2387 const char *mode;
2388 int flags;
2389
2390 mode = qemu_opt_get(opts, "mode");
2391 if (mode == NULL) {
2392 mode = "readline";
2393 }
2394 if (strcmp(mode, "readline") == 0) {
2395 flags = MONITOR_USE_READLINE;
2396 } else if (strcmp(mode, "control") == 0) {
2397 flags = MONITOR_USE_CONTROL;
2398 } else {
2399 error_report("unknown monitor mode \"%s\"", mode);
2400 exit(1);
2401 }
2402
2403 if (qemu_opt_get_bool(opts, "pretty", 0))
2404 flags |= MONITOR_USE_PRETTY;
2405
2406 if (qemu_opt_get_bool(opts, "default", 0))
2407 flags |= MONITOR_IS_DEFAULT;
2408
2409 chardev = qemu_opt_get(opts, "chardev");
2410 chr = qemu_chr_find(chardev);
2411 if (chr == NULL) {
2412 error_report("chardev \"%s\" not found", chardev);
2413 exit(1);
2414 }
2415
2416 qemu_chr_fe_claim_no_fail(chr);
2417 monitor_init(chr, flags);
2418 return 0;
2419 }
2420
2421 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2422 {
2423 static int monitor_device_index = 0;
2424 QemuOpts *opts;
2425 const char *p;
2426 char label[32];
2427 int def = 0;
2428
2429 if (strstart(optarg, "chardev:", &p)) {
2430 snprintf(label, sizeof(label), "%s", p);
2431 } else {
2432 snprintf(label, sizeof(label), "compat_monitor%d",
2433 monitor_device_index);
2434 if (monitor_device_index == 0) {
2435 def = 1;
2436 }
2437 opts = qemu_chr_parse_compat(label, optarg);
2438 if (!opts) {
2439 error_report("parse error: %s", optarg);
2440 exit(1);
2441 }
2442 }
2443
2444 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2445 qemu_opt_set(opts, "mode", mode, &error_abort);
2446 qemu_opt_set(opts, "chardev", label, &error_abort);
2447 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2448 if (def)
2449 qemu_opt_set(opts, "default", "on", &error_abort);
2450 monitor_device_index++;
2451 }
2452
2453 struct device_config {
2454 enum {
2455 DEV_USB, /* -usbdevice */
2456 DEV_BT, /* -bt */
2457 DEV_SERIAL, /* -serial */
2458 DEV_PARALLEL, /* -parallel */
2459 DEV_VIRTCON, /* -virtioconsole */
2460 DEV_DEBUGCON, /* -debugcon */
2461 DEV_GDB, /* -gdb, -s */
2462 DEV_SCLP, /* s390 sclp */
2463 } type;
2464 const char *cmdline;
2465 Location loc;
2466 QTAILQ_ENTRY(device_config) next;
2467 };
2468
2469 static QTAILQ_HEAD(, device_config) device_configs =
2470 QTAILQ_HEAD_INITIALIZER(device_configs);
2471
2472 static void add_device_config(int type, const char *cmdline)
2473 {
2474 struct device_config *conf;
2475
2476 conf = g_malloc0(sizeof(*conf));
2477 conf->type = type;
2478 conf->cmdline = cmdline;
2479 loc_save(&conf->loc);
2480 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2481 }
2482
2483 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2484 {
2485 struct device_config *conf;
2486 int rc;
2487
2488 QTAILQ_FOREACH(conf, &device_configs, next) {
2489 if (conf->type != type)
2490 continue;
2491 loc_push_restore(&conf->loc);
2492 rc = func(conf->cmdline);
2493 loc_pop(&conf->loc);
2494 if (rc) {
2495 return rc;
2496 }
2497 }
2498 return 0;
2499 }
2500
2501 static int serial_parse(const char *devname)
2502 {
2503 static int index = 0;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 if (index == MAX_SERIAL_PORTS) {
2509 error_report("too many serial ports");
2510 exit(1);
2511 }
2512 snprintf(label, sizeof(label), "serial%d", index);
2513 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2514 if (!serial_hds[index]) {
2515 error_report("could not connect serial device"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 index++;
2520 return 0;
2521 }
2522
2523 static int parallel_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_PARALLEL_PORTS) {
2531 error_report("too many parallel ports");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "parallel%d", index);
2535 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!parallel_hds[index]) {
2537 error_report("could not connect parallel device"
2538 " to character backend '%s'", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int virtcon_parse(const char *devname)
2546 {
2547 QemuOptsList *device = qemu_find_opts("device");
2548 static int index = 0;
2549 char label[32];
2550 QemuOpts *bus_opts, *dev_opts;
2551
2552 if (strcmp(devname, "none") == 0)
2553 return 0;
2554 if (index == MAX_VIRTIO_CONSOLES) {
2555 error_report("too many virtio consoles");
2556 exit(1);
2557 }
2558
2559 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2560 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 error_report("could not connect virtio console"
2569 " to character backend '%s'", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 error_report("too many sclp consoles");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 error_report("could not connect sclp console"
2602 " to character backend '%s'", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 error_report("already have a debugcon device");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2624 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2625 return 0;
2626 }
2627
2628 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2629 {
2630 const MachineClass *mc1 = a, *mc2 = b;
2631 int res;
2632
2633 if (mc1->family == NULL) {
2634 if (mc2->family == NULL) {
2635 /* Compare standalone machine types against each other; they sort
2636 * in increasing order.
2637 */
2638 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2639 object_class_get_name(OBJECT_CLASS(mc2)));
2640 }
2641
2642 /* Standalone machine types sort after families. */
2643 return 1;
2644 }
2645
2646 if (mc2->family == NULL) {
2647 /* Families sort before standalone machine types. */
2648 return -1;
2649 }
2650
2651 /* Families sort between each other alphabetically increasingly. */
2652 res = strcmp(mc1->family, mc2->family);
2653 if (res != 0) {
2654 return res;
2655 }
2656
2657 /* Within the same family, machine types sort in decreasing order. */
2658 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2659 object_class_get_name(OBJECT_CLASS(mc1)));
2660 }
2661
2662 static MachineClass *machine_parse(const char *name)
2663 {
2664 MachineClass *mc = NULL;
2665 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2666
2667 if (name) {
2668 mc = find_machine(name);
2669 }
2670 if (mc) {
2671 g_slist_free(machines);
2672 return mc;
2673 }
2674 if (name && !is_help_option(name)) {
2675 error_report("unsupported machine type");
2676 error_printf("Use -machine help to list supported machines\n");
2677 } else {
2678 printf("Supported machines are:\n");
2679 machines = g_slist_sort(machines, machine_class_cmp);
2680 for (el = machines; el; el = el->next) {
2681 MachineClass *mc = el->data;
2682 if (mc->alias) {
2683 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2684 }
2685 printf("%-20s %s%s\n", mc->name, mc->desc,
2686 mc->is_default ? " (default)" : "");
2687 }
2688 }
2689
2690 g_slist_free(machines);
2691 exit(!name || !is_help_option(name));
2692 }
2693
2694 void qemu_add_exit_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&exit_notifiers, notify);
2697 }
2698
2699 void qemu_remove_exit_notifier(Notifier *notify)
2700 {
2701 notifier_remove(notify);
2702 }
2703
2704 static void qemu_run_exit_notifiers(void)
2705 {
2706 notifier_list_notify(&exit_notifiers, NULL);
2707 }
2708
2709 static bool machine_init_done;
2710
2711 void qemu_add_machine_init_done_notifier(Notifier *notify)
2712 {
2713 notifier_list_add(&machine_init_done_notifiers, notify);
2714 if (machine_init_done) {
2715 notify->notify(notify, NULL);
2716 }
2717 }
2718
2719 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2720 {
2721 notifier_remove(notify);
2722 }
2723
2724 static void qemu_run_machine_init_done_notifiers(void)
2725 {
2726 notifier_list_notify(&machine_init_done_notifiers, NULL);
2727 machine_init_done = true;
2728 }
2729
2730 static const QEMUOption *lookup_opt(int argc, char **argv,
2731 const char **poptarg, int *poptind)
2732 {
2733 const QEMUOption *popt;
2734 int optind = *poptind;
2735 char *r = argv[optind];
2736 const char *optarg;
2737
2738 loc_set_cmdline(argv, optind, 1);
2739 optind++;
2740 /* Treat --foo the same as -foo. */
2741 if (r[1] == '-')
2742 r++;
2743 popt = qemu_options;
2744 for(;;) {
2745 if (!popt->name) {
2746 error_report("invalid option");
2747 exit(1);
2748 }
2749 if (!strcmp(popt->name, r + 1))
2750 break;
2751 popt++;
2752 }
2753 if (popt->flags & HAS_ARG) {
2754 if (optind >= argc) {
2755 error_report("requires an argument");
2756 exit(1);
2757 }
2758 optarg = argv[optind++];
2759 loc_set_cmdline(argv, optind - 2, 2);
2760 } else {
2761 optarg = NULL;
2762 }
2763
2764 *poptarg = optarg;
2765 *poptind = optind;
2766
2767 return popt;
2768 }
2769
2770 static MachineClass *select_machine(void)
2771 {
2772 MachineClass *machine_class = find_default_machine();
2773 const char *optarg;
2774 QemuOpts *opts;
2775 Location loc;
2776
2777 loc_push_none(&loc);
2778
2779 opts = qemu_get_machine_opts();
2780 qemu_opts_loc_restore(opts);
2781
2782 optarg = qemu_opt_get(opts, "type");
2783 if (optarg) {
2784 machine_class = machine_parse(optarg);
2785 }
2786
2787 if (!machine_class) {
2788 error_report("No machine specified, and there is no default");
2789 error_printf("Use -machine help to list supported machines\n");
2790 exit(1);
2791 }
2792
2793 loc_pop(&loc);
2794 return machine_class;
2795 }
2796
2797 static int machine_set_property(void *opaque,
2798 const char *name, const char *value,
2799 Error **errp)
2800 {
2801 Object *obj = OBJECT(opaque);
2802 Error *local_err = NULL;
2803 char *c, *qom_name;
2804
2805 if (strcmp(name, "type") == 0) {
2806 return 0;
2807 }
2808
2809 qom_name = g_strdup(name);
2810 c = qom_name;
2811 while (*c++) {
2812 if (*c == '_') {
2813 *c = '-';
2814 }
2815 }
2816
2817 object_property_parse(obj, value, qom_name, &local_err);
2818 g_free(qom_name);
2819
2820 if (local_err) {
2821 error_report_err(local_err);
2822 return -1;
2823 }
2824
2825 return 0;
2826 }
2827
2828
2829 /*
2830 * Initial object creation happens before all other
2831 * QEMU data types are created. The majority of objects
2832 * can be created at this point. The rng-egd object
2833 * cannot be created here, as it depends on the chardev
2834 * already existing.
2835 */
2836 static bool object_create_initial(const char *type)
2837 {
2838 if (g_str_equal(type, "rng-egd")) {
2839 return false;
2840 }
2841
2842 /*
2843 * return false for concrete netfilters since
2844 * they depend on netdevs already existing
2845 */
2846 if (g_str_equal(type, "filter-buffer") ||
2847 g_str_equal(type, "filter-dump") ||
2848 g_str_equal(type, "filter-mirror") ||
2849 g_str_equal(type, "filter-redirector")) {
2850 return false;
2851 }
2852
2853 /* Memory allocation by backends needs to be done
2854 * after configure_accelerator() (due to the tcg_enabled()
2855 * checks at memory_region_init_*()).
2856 *
2857 * Also, allocation of large amounts of memory may delay
2858 * chardev initialization for too long, and trigger timeouts
2859 * on software that waits for a monitor socket to be created
2860 * (e.g. libvirt).
2861 */
2862 if (g_str_has_prefix(type, "memory-backend-")) {
2863 return false;
2864 }
2865
2866 return true;
2867 }
2868
2869
2870 /*
2871 * The remainder of object creation happens after the
2872 * creation of chardev, fsdev, net clients and device data types.
2873 */
2874 static bool object_create_delayed(const char *type)
2875 {
2876 return !object_create_initial(type);
2877 }
2878
2879
2880 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2881 MachineClass *mc)
2882 {
2883 uint64_t sz;
2884 const char *mem_str;
2885 const char *maxmem_str, *slots_str;
2886 const ram_addr_t default_ram_size = mc->default_ram_size;
2887 QemuOpts *opts = qemu_find_opts_singleton("memory");
2888 Location loc;
2889
2890 loc_push_none(&loc);
2891 qemu_opts_loc_restore(opts);
2892
2893 sz = 0;
2894 mem_str = qemu_opt_get(opts, "size");
2895 if (mem_str) {
2896 if (!*mem_str) {
2897 error_report("missing 'size' option value");
2898 exit(EXIT_FAILURE);
2899 }
2900
2901 sz = qemu_opt_get_size(opts, "size", ram_size);
2902
2903 /* Fix up legacy suffix-less format */
2904 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2905 uint64_t overflow_check = sz;
2906
2907 sz <<= 20;
2908 if ((sz >> 20) != overflow_check) {
2909 error_report("too large 'size' option value");
2910 exit(EXIT_FAILURE);
2911 }
2912 }
2913 }
2914
2915 /* backward compatibility behaviour for case "-m 0" */
2916 if (sz == 0) {
2917 sz = default_ram_size;
2918 }
2919
2920 sz = QEMU_ALIGN_UP(sz, 8192);
2921 ram_size = sz;
2922 if (ram_size != sz) {
2923 error_report("ram size too large");
2924 exit(EXIT_FAILURE);
2925 }
2926
2927 /* store value for the future use */
2928 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2929 *maxram_size = ram_size;
2930
2931 maxmem_str = qemu_opt_get(opts, "maxmem");
2932 slots_str = qemu_opt_get(opts, "slots");
2933 if (maxmem_str && slots_str) {
2934 uint64_t slots;
2935
2936 sz = qemu_opt_get_size(opts, "maxmem", 0);
2937 slots = qemu_opt_get_number(opts, "slots", 0);
2938 if (sz < ram_size) {
2939 error_report("invalid value of -m option maxmem: "
2940 "maximum memory size (0x%" PRIx64 ") must be at least "
2941 "the initial memory size (0x" RAM_ADDR_FMT ")",
2942 sz, ram_size);
2943 exit(EXIT_FAILURE);
2944 } else if (sz > ram_size) {
2945 if (!slots) {
2946 error_report("invalid value of -m option: maxmem was "
2947 "specified, but no hotplug slots were specified");
2948 exit(EXIT_FAILURE);
2949 }
2950 } else if (slots) {
2951 error_report("invalid value of -m option maxmem: "
2952 "memory slots were specified but maximum memory size "
2953 "(0x%" PRIx64 ") is equal to the initial memory size "
2954 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2955 exit(EXIT_FAILURE);
2956 }
2957
2958 *maxram_size = sz;
2959 *ram_slots = slots;
2960 } else if ((!maxmem_str && slots_str) ||
2961 (maxmem_str && !slots_str)) {
2962 error_report("invalid -m option value: missing "
2963 "'%s' option", slots_str ? "maxmem" : "slots");
2964 exit(EXIT_FAILURE);
2965 }
2966
2967 loc_pop(&loc);
2968 }
2969
2970 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2971 {
2972 GlobalProperty *g;
2973
2974 g = g_malloc0(sizeof(*g));
2975 g->driver = qemu_opt_get(opts, "driver");
2976 g->property = qemu_opt_get(opts, "property");
2977 g->value = qemu_opt_get(opts, "value");
2978 g->user_provided = true;
2979 g->errp = &error_fatal;
2980 qdev_prop_register_global(g);
2981 return 0;
2982 }
2983
2984 int main(int argc, char **argv, char **envp)
2985 {
2986 int i;
2987 int snapshot, linux_boot;
2988 const char *initrd_filename;
2989 const char *kernel_filename, *kernel_cmdline;
2990 const char *boot_order = NULL;
2991 const char *boot_once = NULL;
2992 DisplayState *ds;
2993 int cyls, heads, secs, translation;
2994 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2995 QemuOptsList *olist;
2996 int optind;
2997 const char *optarg;
2998 const char *loadvm = NULL;
2999 MachineClass *machine_class;
3000 const char *cpu_model;
3001 const char *vga_model = NULL;
3002 const char *qtest_chrdev = NULL;
3003 const char *qtest_log = NULL;
3004 const char *pid_file = NULL;
3005 const char *incoming = NULL;
3006 bool defconfig = true;
3007 bool userconfig = true;
3008 bool nographic = false;
3009 DisplayType display_type = DT_DEFAULT;
3010 int display_remote = 0;
3011 const char *log_mask = NULL;
3012 const char *log_file = NULL;
3013 char *trace_file = NULL;
3014 ram_addr_t maxram_size;
3015 uint64_t ram_slots = 0;
3016 FILE *vmstate_dump_file = NULL;
3017 Error *main_loop_err = NULL;
3018 Error *err = NULL;
3019 bool list_data_dirs = false;
3020
3021 qemu_init_cpu_list();
3022 qemu_init_cpu_loop();
3023 qemu_mutex_lock_iothread();
3024
3025 atexit(qemu_run_exit_notifiers);
3026 error_set_progname(argv[0]);
3027 qemu_init_exec_dir(argv[0]);
3028
3029 module_call_init(MODULE_INIT_QOM);
3030 module_call_init(MODULE_INIT_QAPI);
3031
3032 qemu_add_opts(&qemu_drive_opts);
3033 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3034 qemu_add_drive_opts(&qemu_common_drive_opts);
3035 qemu_add_drive_opts(&qemu_drive_opts);
3036 qemu_add_opts(&qemu_chardev_opts);
3037 qemu_add_opts(&qemu_device_opts);
3038 qemu_add_opts(&qemu_netdev_opts);
3039 qemu_add_opts(&qemu_net_opts);
3040 qemu_add_opts(&qemu_rtc_opts);
3041 qemu_add_opts(&qemu_global_opts);
3042 qemu_add_opts(&qemu_mon_opts);
3043 qemu_add_opts(&qemu_trace_opts);
3044 qemu_add_opts(&qemu_option_rom_opts);
3045 qemu_add_opts(&qemu_machine_opts);
3046 qemu_add_opts(&qemu_mem_opts);
3047 qemu_add_opts(&qemu_smp_opts);
3048 qemu_add_opts(&qemu_boot_opts);
3049 qemu_add_opts(&qemu_sandbox_opts);
3050 qemu_add_opts(&qemu_add_fd_opts);
3051 qemu_add_opts(&qemu_object_opts);
3052 qemu_add_opts(&qemu_tpmdev_opts);
3053 qemu_add_opts(&qemu_realtime_opts);
3054 qemu_add_opts(&qemu_msg_opts);
3055 qemu_add_opts(&qemu_name_opts);
3056 qemu_add_opts(&qemu_numa_opts);
3057 qemu_add_opts(&qemu_icount_opts);
3058 qemu_add_opts(&qemu_semihosting_config_opts);
3059 qemu_add_opts(&qemu_fw_cfg_opts);
3060 #ifdef CONFIG_LIBISCSI
3061 qemu_add_opts(&qemu_iscsi_opts);
3062 #endif
3063 module_call_init(MODULE_INIT_OPTS);
3064
3065 runstate_init();
3066
3067 if (qcrypto_init(&err) < 0) {
3068 error_reportf_err(err, "cannot initialize crypto: ");
3069 exit(1);
3070 }
3071 rtc_clock = QEMU_CLOCK_HOST;
3072
3073 QLIST_INIT (&vm_change_state_head);
3074 os_setup_early_signal_handling();
3075
3076 cpu_model = NULL;
3077 snapshot = 0;
3078 cyls = heads = secs = 0;
3079 translation = BIOS_ATA_TRANSLATION_AUTO;
3080
3081 nb_nics = 0;
3082
3083 bdrv_init_with_whitelist();
3084
3085 autostart = 1;
3086
3087 /* first pass of option parsing */
3088 optind = 1;
3089 while (optind < argc) {
3090 if (argv[optind][0] != '-') {
3091 /* disk image */
3092 optind++;
3093 } else {
3094 const QEMUOption *popt;
3095
3096 popt = lookup_opt(argc, argv, &optarg, &optind);
3097 switch (popt->index) {
3098 case QEMU_OPTION_nodefconfig:
3099 defconfig = false;
3100 break;
3101 case QEMU_OPTION_nouserconfig:
3102 userconfig = false;
3103 break;
3104 }
3105 }
3106 }
3107
3108 if (defconfig) {
3109 int ret;
3110 ret = qemu_read_default_config_files(userconfig);
3111 if (ret < 0) {
3112 exit(1);
3113 }
3114 }
3115
3116 /* second pass of option parsing */
3117 optind = 1;
3118 for(;;) {
3119 if (optind >= argc)
3120 break;
3121 if (argv[optind][0] != '-') {
3122 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3123 } else {
3124 const QEMUOption *popt;
3125
3126 popt = lookup_opt(argc, argv, &optarg, &optind);
3127 if (!(popt->arch_mask & arch_type)) {
3128 error_report("Option not supported for this target");
3129 exit(1);
3130 }
3131 switch(popt->index) {
3132 case QEMU_OPTION_no_kvm_irqchip: {
3133 olist = qemu_find_opts("machine");
3134 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3135 break;
3136 }
3137 case QEMU_OPTION_cpu:
3138 /* hw initialization will check this */
3139 cpu_model = optarg;
3140 break;
3141 case QEMU_OPTION_hda:
3142 {
3143 char buf[256];
3144 if (cyls == 0)
3145 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3146 else
3147 snprintf(buf, sizeof(buf),
3148 "%s,cyls=%d,heads=%d,secs=%d%s",
3149 HD_OPTS , cyls, heads, secs,
3150 translation == BIOS_ATA_TRANSLATION_LBA ?
3151 ",trans=lba" :
3152 translation == BIOS_ATA_TRANSLATION_NONE ?
3153 ",trans=none" : "");
3154 drive_add(IF_DEFAULT, 0, optarg, buf);
3155 break;
3156 }
3157 case QEMU_OPTION_hdb:
3158 case QEMU_OPTION_hdc:
3159 case QEMU_OPTION_hdd:
3160 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3161 HD_OPTS);
3162 break;
3163 case QEMU_OPTION_drive:
3164 if (drive_def(optarg) == NULL) {
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_set:
3169 if (qemu_set_option(optarg) != 0)
3170 exit(1);
3171 break;
3172 case QEMU_OPTION_global:
3173 if (qemu_global_option(optarg) != 0)
3174 exit(1);
3175 break;
3176 case QEMU_OPTION_mtdblock:
3177 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3178 break;
3179 case QEMU_OPTION_sd:
3180 drive_add(IF_SD, -1, optarg, SD_OPTS);
3181 break;
3182 case QEMU_OPTION_pflash:
3183 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3184 break;
3185 case QEMU_OPTION_snapshot:
3186 snapshot = 1;
3187 break;
3188 case QEMU_OPTION_hdachs:
3189 {
3190 const char *p;
3191 p = optarg;
3192 cyls = strtol(p, (char **)&p, 0);
3193 if (cyls < 1 || cyls > 16383)
3194 goto chs_fail;
3195 if (*p != ',')
3196 goto chs_fail;
3197 p++;
3198 heads = strtol(p, (char **)&p, 0);
3199 if (heads < 1 || heads > 16)
3200 goto chs_fail;
3201 if (*p != ',')
3202 goto chs_fail;
3203 p++;
3204 secs = strtol(p, (char **)&p, 0);
3205 if (secs < 1 || secs > 63)
3206 goto chs_fail;
3207 if (*p == ',') {
3208 p++;
3209 if (!strcmp(p, "large")) {
3210 translation = BIOS_ATA_TRANSLATION_LARGE;
3211 } else if (!strcmp(p, "rechs")) {
3212 translation = BIOS_ATA_TRANSLATION_RECHS;
3213 } else if (!strcmp(p, "none")) {
3214 translation = BIOS_ATA_TRANSLATION_NONE;
3215 } else if (!strcmp(p, "lba")) {
3216 translation = BIOS_ATA_TRANSLATION_LBA;
3217 } else if (!strcmp(p, "auto")) {
3218 translation = BIOS_ATA_TRANSLATION_AUTO;
3219 } else {
3220 goto chs_fail;
3221 }
3222 } else if (*p != '\0') {
3223 chs_fail:
3224 error_report("invalid physical CHS format");
3225 exit(1);
3226 }
3227 if (hda_opts != NULL) {
3228 qemu_opt_set_number(hda_opts, "cyls", cyls,
3229 &error_abort);
3230 qemu_opt_set_number(hda_opts, "heads", heads,
3231 &error_abort);
3232 qemu_opt_set_number(hda_opts, "secs", secs,
3233 &error_abort);
3234 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3235 qemu_opt_set(hda_opts, "trans", "large",
3236 &error_abort);
3237 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3238 qemu_opt_set(hda_opts, "trans", "rechs",
3239 &error_abort);
3240 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3241 qemu_opt_set(hda_opts, "trans", "lba",
3242 &error_abort);
3243 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3244 qemu_opt_set(hda_opts, "trans", "none",
3245 &error_abort);
3246 }
3247 }
3248 }
3249 break;
3250 case QEMU_OPTION_numa:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_display:
3258 display_type = select_display(optarg);
3259 break;
3260 case QEMU_OPTION_nographic:
3261 olist = qemu_find_opts("machine");
3262 qemu_opts_parse_noisily(olist, "graphics=off", false);
3263 nographic = true;
3264 display_type = DT_NONE;
3265 break;
3266 case QEMU_OPTION_curses:
3267 #ifdef CONFIG_CURSES
3268 display_type = DT_CURSES;
3269 #else
3270 error_report("curses support is disabled");
3271 exit(1);
3272 #endif
3273 break;
3274 case QEMU_OPTION_portrait:
3275 graphic_rotate = 90;
3276 break;
3277 case QEMU_OPTION_rotate:
3278 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3279 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3280 graphic_rotate != 180 && graphic_rotate != 270) {
3281 error_report("only 90, 180, 270 deg rotation is available");
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_kernel:
3286 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3287 &error_abort);
3288 break;
3289 case QEMU_OPTION_initrd:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3291 &error_abort);
3292 break;
3293 case QEMU_OPTION_append:
3294 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3295 &error_abort);
3296 break;
3297 case QEMU_OPTION_dtb:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_cdrom:
3302 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3303 break;
3304 case QEMU_OPTION_boot:
3305 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3306 optarg, true);
3307 if (!opts) {
3308 exit(1);
3309 }
3310 break;
3311 case QEMU_OPTION_fda:
3312 case QEMU_OPTION_fdb:
3313 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3314 optarg, FD_OPTS);
3315 break;
3316 case QEMU_OPTION_no_fd_bootchk:
3317 fd_bootchk = 0;
3318 break;
3319 case QEMU_OPTION_netdev:
3320 default_net = 0;
3321 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3322 exit(1);
3323 }
3324 break;
3325 case QEMU_OPTION_net:
3326 default_net = 0;
3327 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3328 exit(1);
3329 }
3330 break;
3331 #ifdef CONFIG_LIBISCSI
3332 case QEMU_OPTION_iscsi:
3333 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3334 optarg, false);
3335 if (!opts) {
3336 exit(1);
3337 }
3338 break;
3339 #endif
3340 #ifdef CONFIG_SLIRP
3341 case QEMU_OPTION_tftp:
3342 error_report("The -tftp option is deprecated. "
3343 "Please use '-netdev user,tftp=...' instead.");
3344 legacy_tftp_prefix = optarg;
3345 break;
3346 case QEMU_OPTION_bootp:
3347 error_report("The -bootp option is deprecated. "
3348 "Please use '-netdev user,bootfile=...' instead.");
3349 legacy_bootp_filename = optarg;
3350 break;
3351 case QEMU_OPTION_redir:
3352 error_report("The -redir option is deprecated. "
3353 "Please use '-netdev user,hostfwd=...' instead.");
3354 if (net_slirp_redir(optarg) < 0)
3355 exit(1);
3356 break;
3357 #endif
3358 case QEMU_OPTION_bt:
3359 add_device_config(DEV_BT, optarg);
3360 break;
3361 case QEMU_OPTION_audio_help:
3362 AUD_help ();
3363 exit (0);
3364 break;
3365 case QEMU_OPTION_soundhw:
3366 select_soundhw (optarg);
3367 break;
3368 case QEMU_OPTION_h:
3369 help(0);
3370 break;
3371 case QEMU_OPTION_version:
3372 version();
3373 exit(0);
3374 break;
3375 case QEMU_OPTION_m:
3376 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3377 optarg, true);
3378 if (!opts) {
3379 exit(EXIT_FAILURE);
3380 }
3381 break;
3382 #ifdef CONFIG_TPM
3383 case QEMU_OPTION_tpmdev:
3384 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3385 exit(1);
3386 }
3387 break;
3388 #endif
3389 case QEMU_OPTION_mempath:
3390 mem_path = optarg;
3391 break;
3392 case QEMU_OPTION_mem_prealloc:
3393 mem_prealloc = 1;
3394 break;
3395 case QEMU_OPTION_d:
3396 log_mask = optarg;
3397 break;
3398 case QEMU_OPTION_D:
3399 log_file = optarg;
3400 break;
3401 case QEMU_OPTION_DFILTER:
3402 qemu_set_dfilter_ranges(optarg, &error_fatal);
3403 break;
3404 case QEMU_OPTION_s:
3405 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3406 break;
3407 case QEMU_OPTION_gdb:
3408 add_device_config(DEV_GDB, optarg);
3409 break;
3410 case QEMU_OPTION_L:
3411 if (is_help_option(optarg)) {
3412 list_data_dirs = true;
3413 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3414 data_dir[data_dir_idx++] = optarg;
3415 }
3416 break;
3417 case QEMU_OPTION_bios:
3418 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3419 &error_abort);
3420 break;
3421 case QEMU_OPTION_singlestep:
3422 singlestep = 1;
3423 break;
3424 case QEMU_OPTION_S:
3425 autostart = 0;
3426 break;
3427 case QEMU_OPTION_k:
3428 keyboard_layout = optarg;
3429 break;
3430 case QEMU_OPTION_localtime:
3431 rtc_utc = 0;
3432 break;
3433 case QEMU_OPTION_vga:
3434 vga_model = optarg;
3435 default_vga = 0;
3436 break;
3437 case QEMU_OPTION_g:
3438 {
3439 const char *p;
3440 int w, h, depth;
3441 p = optarg;
3442 w = strtol(p, (char **)&p, 10);
3443 if (w <= 0) {
3444 graphic_error:
3445 error_report("invalid resolution or depth");
3446 exit(1);
3447 }
3448 if (*p != 'x')
3449 goto graphic_error;
3450 p++;
3451 h = strtol(p, (char **)&p, 10);
3452 if (h <= 0)
3453 goto graphic_error;
3454 if (*p == 'x') {
3455 p++;
3456 depth = strtol(p, (char **)&p, 10);
3457 if (depth != 8 && depth != 15 && depth != 16 &&
3458 depth != 24 && depth != 32)
3459 goto graphic_error;
3460 } else if (*p == '\0') {
3461 depth = graphic_depth;
3462 } else {
3463 goto graphic_error;
3464 }
3465
3466 graphic_width = w;
3467 graphic_height = h;
3468 graphic_depth = depth;
3469 }
3470 break;
3471 case QEMU_OPTION_echr:
3472 {
3473 char *r;
3474 term_escape_char = strtol(optarg, &r, 0);
3475 if (r == optarg)
3476 printf("Bad argument to echr\n");
3477 break;
3478 }
3479 case QEMU_OPTION_monitor:
3480 default_monitor = 0;
3481 if (strncmp(optarg, "none", 4)) {
3482 monitor_parse(optarg, "readline", false);
3483 }
3484 break;
3485 case QEMU_OPTION_qmp:
3486 monitor_parse(optarg, "control", false);
3487 default_monitor = 0;
3488 break;
3489 case QEMU_OPTION_qmp_pretty:
3490 monitor_parse(optarg, "control", true);
3491 default_monitor = 0;
3492 break;
3493 case QEMU_OPTION_mon:
3494 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3495 true);
3496 if (!opts) {
3497 exit(1);
3498 }
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_chardev:
3502 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3503 optarg, true);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 break;
3508 case QEMU_OPTION_fsdev:
3509 olist = qemu_find_opts("fsdev");
3510 if (!olist) {
3511 error_report("fsdev support is disabled");
3512 exit(1);
3513 }
3514 opts = qemu_opts_parse_noisily(olist, optarg, true);
3515 if (!opts) {
3516 exit(1);
3517 }
3518 break;
3519 case QEMU_OPTION_virtfs: {
3520 QemuOpts *fsdev;
3521 QemuOpts *device;
3522 const char *writeout, *sock_fd, *socket;
3523
3524 olist = qemu_find_opts("virtfs");
3525 if (!olist) {
3526 error_report("virtfs support is disabled");
3527 exit(1);
3528 }
3529 opts = qemu_opts_parse_noisily(olist, optarg, true);
3530 if (!opts) {
3531 exit(1);
3532 }
3533
3534 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3535 qemu_opt_get(opts, "mount_tag") == NULL) {
3536 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3537 exit(1);
3538 }
3539 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3540 qemu_opt_get(opts, "mount_tag"),
3541 1, NULL);
3542 if (!fsdev) {
3543 error_report("duplicate fsdev id: %s",
3544 qemu_opt_get(opts, "mount_tag"));
3545 exit(1);
3546 }
3547
3548 writeout = qemu_opt_get(opts, "writeout");
3549 if (writeout) {
3550 #ifdef CONFIG_SYNC_FILE_RANGE
3551 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3552 #else
3553 error_report("writeout=immediate not supported "
3554 "on this platform");
3555 exit(1);
3556 #endif
3557 }
3558 qemu_opt_set(fsdev, "fsdriver",
3559 qemu_opt_get(opts, "fsdriver"), &error_abort);
3560 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3561 &error_abort);
3562 qemu_opt_set(fsdev, "security_model",
3563 qemu_opt_get(opts, "security_model"),
3564 &error_abort);
3565 socket = qemu_opt_get(opts, "socket");
3566 if (socket) {
3567 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3568 }
3569 sock_fd = qemu_opt_get(opts, "sock_fd");
3570 if (sock_fd) {
3571 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3572 }
3573
3574 qemu_opt_set_bool(fsdev, "readonly",
3575 qemu_opt_get_bool(opts, "readonly", 0),
3576 &error_abort);
3577 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3578 &error_abort);
3579 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3580 qemu_opt_set(device, "fsdev",
3581 qemu_opt_get(opts, "mount_tag"), &error_abort);
3582 qemu_opt_set(device, "mount_tag",
3583 qemu_opt_get(opts, "mount_tag"), &error_abort);
3584 break;
3585 }
3586 case QEMU_OPTION_virtfs_synth: {
3587 QemuOpts *fsdev;
3588 QemuOpts *device;
3589
3590 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3591 1, NULL);
3592 if (!fsdev) {
3593 error_report("duplicate option: %s", "virtfs_synth");
3594 exit(1);
3595 }
3596 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3597
3598 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3599 &error_abort);
3600 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3601 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3602 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3603 break;
3604 }
3605 case QEMU_OPTION_serial:
3606 add_device_config(DEV_SERIAL, optarg);
3607 default_serial = 0;
3608 if (strncmp(optarg, "mon:", 4) == 0) {
3609 default_monitor = 0;
3610 }
3611 break;
3612 case QEMU_OPTION_watchdog:
3613 if (watchdog) {
3614 error_report("only one watchdog option may be given");
3615 return 1;
3616 }
3617 watchdog = optarg;
3618 break;
3619 case QEMU_OPTION_watchdog_action:
3620 if (select_watchdog_action(optarg) == -1) {
3621 error_report("unknown -watchdog-action parameter");
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_virtiocon:
3626 add_device_config(DEV_VIRTCON, optarg);
3627 default_virtcon = 0;
3628 if (strncmp(optarg, "mon:", 4) == 0) {
3629 default_monitor = 0;
3630 }
3631 break;
3632 case QEMU_OPTION_parallel:
3633 add_device_config(DEV_PARALLEL, optarg);
3634 default_parallel = 0;
3635 if (strncmp(optarg, "mon:", 4) == 0) {
3636 default_monitor = 0;
3637 }
3638 break;
3639 case QEMU_OPTION_debugcon:
3640 add_device_config(DEV_DEBUGCON, optarg);
3641 break;
3642 case QEMU_OPTION_loadvm:
3643 loadvm = optarg;
3644 break;
3645 case QEMU_OPTION_full_screen:
3646 full_screen = 1;
3647 break;
3648 case QEMU_OPTION_no_frame:
3649 no_frame = 1;
3650 break;
3651 case QEMU_OPTION_alt_grab:
3652 alt_grab = 1;
3653 break;
3654 case QEMU_OPTION_ctrl_grab:
3655 ctrl_grab = 1;
3656 break;
3657 case QEMU_OPTION_no_quit:
3658 no_quit = 1;
3659 break;
3660 case QEMU_OPTION_sdl:
3661 #ifdef CONFIG_SDL
3662 display_type = DT_SDL;
3663 break;
3664 #else
3665 error_report("SDL support is disabled");
3666 exit(1);
3667 #endif
3668 case QEMU_OPTION_pidfile:
3669 pid_file = optarg;
3670 break;
3671 case QEMU_OPTION_win2k_hack:
3672 win2k_install_hack = 1;
3673 break;
3674 case QEMU_OPTION_rtc_td_hack: {
3675 static GlobalProperty slew_lost_ticks = {
3676 .driver = "mc146818rtc",
3677 .property = "lost_tick_policy",
3678 .value = "slew",
3679 };
3680
3681 qdev_prop_register_global(&slew_lost_ticks);
3682 break;
3683 }
3684 case QEMU_OPTION_acpitable:
3685 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3686 optarg, true);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 do_acpitable_option(opts);
3691 break;
3692 case QEMU_OPTION_smbios:
3693 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3694 optarg, false);
3695 if (!opts) {
3696 exit(1);
3697 }
3698 do_smbios_option(opts);
3699 break;
3700 case QEMU_OPTION_fwcfg:
3701 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3702 optarg, true);
3703 if (opts == NULL) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_enable_kvm:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3710 break;
3711 case QEMU_OPTION_M:
3712 case QEMU_OPTION_machine:
3713 olist = qemu_find_opts("machine");
3714 opts = qemu_opts_parse_noisily(olist, optarg, true);
3715 if (!opts) {
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_no_kvm:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3722 break;
3723 case QEMU_OPTION_no_kvm_pit: {
3724 error_report("warning: ignoring deprecated option");
3725 break;
3726 }
3727 case QEMU_OPTION_no_kvm_pit_reinjection: {
3728 static GlobalProperty kvm_pit_lost_tick_policy = {
3729 .driver = "kvm-pit",
3730 .property = "lost_tick_policy",
3731 .value = "discard",
3732 };
3733
3734 error_report("warning: deprecated, replaced by "
3735 "-global kvm-pit.lost_tick_policy=discard");
3736 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3737 break;
3738 }
3739 case QEMU_OPTION_usb:
3740 olist = qemu_find_opts("machine");
3741 qemu_opts_parse_noisily(olist, "usb=on", false);
3742 break;
3743 case QEMU_OPTION_usbdevice:
3744 olist = qemu_find_opts("machine");
3745 qemu_opts_parse_noisily(olist, "usb=on", false);
3746 add_device_config(DEV_USB, optarg);
3747 break;
3748 case QEMU_OPTION_device:
3749 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3750 optarg, true)) {
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_smp:
3755 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3756 optarg, true)) {
3757 exit(1);
3758 }
3759 break;
3760 case QEMU_OPTION_vnc:
3761 vnc_parse(optarg, &error_fatal);
3762 break;
3763 case QEMU_OPTION_no_acpi:
3764 acpi_enabled = 0;
3765 break;
3766 case QEMU_OPTION_no_hpet:
3767 no_hpet = 1;
3768 break;
3769 case QEMU_OPTION_balloon:
3770 if (balloon_parse(optarg) < 0) {
3771 error_report("unknown -balloon argument %s", optarg);
3772 exit(1);
3773 }
3774 break;
3775 case QEMU_OPTION_no_reboot:
3776 no_reboot = 1;
3777 break;
3778 case QEMU_OPTION_no_shutdown:
3779 no_shutdown = 1;
3780 break;
3781 case QEMU_OPTION_show_cursor:
3782 cursor_hide = 0;
3783 break;
3784 case QEMU_OPTION_uuid:
3785 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3786 error_report("failed to parse UUID string: wrong format");
3787 exit(1);
3788 }
3789 qemu_uuid_set = true;
3790 break;
3791 case QEMU_OPTION_option_rom:
3792 if (nb_option_roms >= MAX_OPTION_ROMS) {
3793 error_report("too many option ROMs");
3794 exit(1);
3795 }
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3797 optarg, true);
3798 if (!opts) {
3799 exit(1);
3800 }
3801 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3802 option_rom[nb_option_roms].bootindex =
3803 qemu_opt_get_number(opts, "bootindex", -1);
3804 if (!option_rom[nb_option_roms].name) {
3805 error_report("Option ROM file is not specified");
3806 exit(1);
3807 }
3808 nb_option_roms++;
3809 break;
3810 case QEMU_OPTION_semihosting:
3811 semihosting.enabled = true;
3812 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3813 break;
3814 case QEMU_OPTION_semihosting_config:
3815 semihosting.enabled = true;
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3817 optarg, false);
3818 if (opts != NULL) {
3819 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3820 true);
3821 const char *target = qemu_opt_get(opts, "target");
3822 if (target != NULL) {
3823 if (strcmp("native", target) == 0) {
3824 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3825 } else if (strcmp("gdb", target) == 0) {
3826 semihosting.target = SEMIHOSTING_TARGET_GDB;
3827 } else if (strcmp("auto", target) == 0) {
3828 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3829 } else {
3830 error_report("unsupported semihosting-config %s",
3831 optarg);
3832 exit(1);
3833 }
3834 } else {
3835 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3836 }
3837 /* Set semihosting argument count and vector */
3838 qemu_opt_foreach(opts, add_semihosting_arg,
3839 &semihosting, NULL);
3840 } else {
3841 error_report("unsupported semihosting-config %s", optarg);
3842 exit(1);
3843 }
3844 break;
3845 case QEMU_OPTION_tdf:
3846 error_report("warning: ignoring deprecated option");
3847 break;
3848 case QEMU_OPTION_name:
3849 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3850 optarg, true);
3851 if (!opts) {
3852 exit(1);
3853 }
3854 break;
3855 case QEMU_OPTION_prom_env:
3856 if (nb_prom_envs >= MAX_PROM_ENVS) {
3857 error_report("too many prom variables");
3858 exit(1);
3859 }
3860 prom_envs[nb_prom_envs] = optarg;
3861 nb_prom_envs++;
3862 break;
3863 case QEMU_OPTION_old_param:
3864 old_param = 1;
3865 break;
3866 case QEMU_OPTION_clock:
3867 /* Clock options no longer exist. Keep this option for
3868 * backward compatibility.
3869 */
3870 break;
3871 case QEMU_OPTION_startdate:
3872 configure_rtc_date_offset(optarg, 1);
3873 break;
3874 case QEMU_OPTION_rtc:
3875 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3876 false);
3877 if (!opts) {
3878 exit(1);
3879 }
3880 configure_rtc(opts);
3881 break;
3882 case QEMU_OPTION_tb_size:
3883 tcg_tb_size = strtol(optarg, NULL, 0);
3884 if (tcg_tb_size < 0) {
3885 tcg_tb_size = 0;
3886 }
3887 break;
3888 case QEMU_OPTION_icount:
3889 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3890 optarg, true);
3891 if (!icount_opts) {
3892 exit(1);
3893 }
3894 break;
3895 case QEMU_OPTION_incoming:
3896 if (!incoming) {
3897 runstate_set(RUN_STATE_INMIGRATE);
3898 }
3899 incoming = optarg;
3900 break;
3901 case QEMU_OPTION_nodefaults:
3902 has_defaults = 0;
3903 break;
3904 case QEMU_OPTION_xen_domid:
3905 if (!(xen_available())) {
3906 error_report("Option not supported for this target");
3907 exit(1);
3908 }
3909 xen_domid = atoi(optarg);
3910 break;
3911 case QEMU_OPTION_xen_create:
3912 if (!(xen_available())) {
3913 error_report("Option not supported for this target");
3914 exit(1);
3915 }
3916 xen_mode = XEN_CREATE;
3917 break;
3918 case QEMU_OPTION_xen_attach:
3919 if (!(xen_available())) {
3920 error_report("Option not supported for this target");
3921 exit(1);
3922 }
3923 xen_mode = XEN_ATTACH;
3924 break;
3925 case QEMU_OPTION_trace:
3926 g_free(trace_file);
3927 trace_file = trace_opt_parse(optarg);
3928 break;
3929 case QEMU_OPTION_readconfig:
3930 {
3931 int ret = qemu_read_config_file(optarg);
3932 if (ret < 0) {
3933 error_report("read config %s: %s", optarg,
3934 strerror(-ret));
3935 exit(1);
3936 }
3937 break;
3938 }
3939 case QEMU_OPTION_spice:
3940 olist = qemu_find_opts("spice");
3941 if (!olist) {
3942 error_report("spice support is disabled");
3943 exit(1);
3944 }
3945 opts = qemu_opts_parse_noisily(olist, optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 display_remote++;
3950 break;
3951 case QEMU_OPTION_writeconfig:
3952 {
3953 FILE *fp;
3954 if (strcmp(optarg, "-") == 0) {
3955 fp = stdout;
3956 } else {
3957 fp = fopen(optarg, "w");
3958 if (fp == NULL) {
3959 error_report("open %s: %s", optarg,
3960 strerror(errno));
3961 exit(1);
3962 }
3963 }
3964 qemu_config_write(fp);
3965 if (fp != stdout) {
3966 fclose(fp);
3967 }
3968 break;
3969 }
3970 case QEMU_OPTION_qtest:
3971 qtest_chrdev = optarg;
3972 break;
3973 case QEMU_OPTION_qtest_log:
3974 qtest_log = optarg;
3975 break;
3976 case QEMU_OPTION_sandbox:
3977 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3978 optarg, true);
3979 if (!opts) {
3980 exit(1);
3981 }
3982 break;
3983 case QEMU_OPTION_add_fd:
3984 #ifndef _WIN32
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3986 optarg, false);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 #else
3991 error_report("File descriptor passing is disabled on this "
3992 "platform");
3993 exit(1);
3994 #endif
3995 break;
3996 case QEMU_OPTION_object:
3997 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3998 optarg, true);
3999 if (!opts) {
4000 exit(1);
4001 }
4002 break;
4003 case QEMU_OPTION_realtime:
4004 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4005 optarg, false);
4006 if (!opts) {
4007 exit(1);
4008 }
4009 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4010 break;
4011 case QEMU_OPTION_msg:
4012 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4013 false);
4014 if (!opts) {
4015 exit(1);
4016 }
4017 configure_msg(opts);
4018 break;
4019 case QEMU_OPTION_dump_vmstate:
4020 if (vmstate_dump_file) {
4021 error_report("only one '-dump-vmstate' "
4022 "option may be given");
4023 exit(1);
4024 }
4025 vmstate_dump_file = fopen(optarg, "w");
4026 if (vmstate_dump_file == NULL) {
4027 error_report("open %s: %s", optarg, strerror(errno));
4028 exit(1);
4029 }
4030 break;
4031 default:
4032 os_parse_cmd_args(popt->index, optarg);
4033 }
4034 }
4035 }
4036 /*
4037 * Clear error location left behind by the loop.
4038 * Best done right after the loop. Do not insert code here!
4039 */
4040 loc_set_none();
4041
4042 replay_configure(icount_opts);
4043
4044 machine_class = select_machine();
4045
4046 set_memory_options(&ram_slots, &maxram_size, machine_class);
4047
4048 os_daemonize();
4049
4050 if (qemu_init_main_loop(&main_loop_err)) {
4051 error_report_err(main_loop_err);
4052 exit(1);
4053 }
4054
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4056 parse_sandbox, NULL, NULL)) {
4057 exit(1);
4058 }
4059
4060 if (qemu_opts_foreach(qemu_find_opts("name"),
4061 parse_name, NULL, NULL)) {
4062 exit(1);
4063 }
4064
4065 #ifndef _WIN32
4066 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4067 parse_add_fd, NULL, NULL)) {
4068 exit(1);
4069 }
4070
4071 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4072 cleanup_add_fd, NULL, NULL)) {
4073 exit(1);
4074 }
4075 #endif
4076
4077 current_machine = MACHINE(object_new(object_class_get_name(
4078 OBJECT_CLASS(machine_class))));
4079 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4080 exit(0);
4081 }
4082 object_property_add_child(object_get_root(), "machine",
4083 OBJECT(current_machine), &error_abort);
4084 cpu_exec_init_all();
4085
4086 if (machine_class->hw_version) {
4087 qemu_set_hw_version(machine_class->hw_version);
4088 }
4089
4090 if (cpu_model && is_help_option(cpu_model)) {
4091 list_cpus(stdout, &fprintf, cpu_model);
4092 exit(0);
4093 }
4094
4095 if (!trace_init_backends()) {
4096 exit(1);
4097 }
4098 trace_init_file(trace_file);
4099
4100 /* Open the logfile at this point and set the log mask if necessary.
4101 */
4102 if (log_file) {
4103 qemu_set_log_filename(log_file, &error_fatal);
4104 }
4105
4106 if (log_mask) {
4107 int mask;
4108 mask = qemu_str_to_log_mask(log_mask);
4109 if (!mask) {
4110 qemu_print_log_usage(stdout);
4111 exit(1);
4112 }
4113 qemu_set_log(mask);
4114 } else {
4115 qemu_set_log(0);
4116 }
4117
4118 /* If no data_dir is specified then try to find it relative to the
4119 executable path. */
4120 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4121 data_dir[data_dir_idx] = os_find_datadir();
4122 if (data_dir[data_dir_idx] != NULL) {
4123 data_dir_idx++;
4124 }
4125 }
4126 /* If all else fails use the install path specified when building. */
4127 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4128 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4129 }
4130
4131 /* -L help lists the data directories and exits. */
4132 if (list_data_dirs) {
4133 for (i = 0; i < data_dir_idx; i++) {
4134 printf("%s\n", data_dir[i]);
4135 }
4136 exit(0);
4137 }
4138
4139 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4140
4141 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4142 if (max_cpus > machine_class->max_cpus) {
4143 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4144 "supported by machine '%s' (%d)", max_cpus,
4145 machine_class->name, machine_class->max_cpus);
4146 exit(1);
4147 }
4148
4149 /*
4150 * Get the default machine options from the machine if it is not already
4151 * specified either by the configuration file or by the command line.
4152 */
4153 if (machine_class->default_machine_opts) {
4154 qemu_opts_set_defaults(qemu_find_opts("machine"),
4155 machine_class->default_machine_opts, 0);
4156 }
4157
4158 qemu_opts_foreach(qemu_find_opts("device"),
4159 default_driver_check, NULL, NULL);
4160 qemu_opts_foreach(qemu_find_opts("global"),
4161 default_driver_check, NULL, NULL);
4162
4163 if (!vga_model && !default_vga) {
4164 vga_interface_type = VGA_DEVICE;
4165 }
4166 if (!has_defaults || machine_class->no_serial) {
4167 default_serial = 0;
4168 }
4169 if (!has_defaults || machine_class->no_parallel) {
4170 default_parallel = 0;
4171 }
4172 if (!has_defaults || !machine_class->use_virtcon) {
4173 default_virtcon = 0;
4174 }
4175 if (!has_defaults || !machine_class->use_sclp) {
4176 default_sclp = 0;
4177 }
4178 if (!has_defaults || machine_class->no_floppy) {
4179 default_floppy = 0;
4180 }
4181 if (!has_defaults || machine_class->no_cdrom) {
4182 default_cdrom = 0;
4183 }
4184 if (!has_defaults || machine_class->no_sdcard) {
4185 default_sdcard = 0;
4186 }
4187 if (!has_defaults) {
4188 default_monitor = 0;
4189 default_net = 0;
4190 default_vga = 0;
4191 }
4192
4193 if (is_daemonized()) {
4194 /* According to documentation and historically, -nographic redirects
4195 * serial port, parallel port and monitor to stdio, which does not work
4196 * with -daemonize. We can redirect these to null instead, but since
4197 * -nographic is legacy, let's just error out.
4198 * We disallow -nographic only if all other ports are not redirected
4199 * explicitly, to not break existing legacy setups which uses
4200 * -nographic _and_ redirects all ports explicitly - this is valid
4201 * usage, -nographic is just a no-op in this case.
4202 */
4203 if (nographic
4204 && (default_parallel || default_serial
4205 || default_monitor || default_virtcon)) {
4206 error_report("-nographic cannot be used with -daemonize");
4207 exit(1);
4208 }
4209 #ifdef CONFIG_CURSES
4210 if (display_type == DT_CURSES) {
4211 error_report("curses display cannot be used with -daemonize");
4212 exit(1);
4213 }
4214 #endif
4215 }
4216
4217 if (nographic) {
4218 if (default_parallel)
4219 add_device_config(DEV_PARALLEL, "null");
4220 if (default_serial && default_monitor) {
4221 add_device_config(DEV_SERIAL, "mon:stdio");
4222 } else if (default_virtcon && default_monitor) {
4223 add_device_config(DEV_VIRTCON, "mon:stdio");
4224 } else if (default_sclp && default_monitor) {
4225 add_device_config(DEV_SCLP, "mon:stdio");
4226 } else {
4227 if (default_serial)
4228 add_device_config(DEV_SERIAL, "stdio");
4229 if (default_virtcon)
4230 add_device_config(DEV_VIRTCON, "stdio");
4231 if (default_sclp) {
4232 add_device_config(DEV_SCLP, "stdio");
4233 }
4234 if (default_monitor)
4235 monitor_parse("stdio", "readline", false);
4236 }
4237 } else {
4238 if (default_serial)
4239 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4240 if (default_parallel)
4241 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4242 if (default_monitor)
4243 monitor_parse("vc:80Cx24C", "readline", false);
4244 if (default_virtcon)
4245 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4246 if (default_sclp) {
4247 add_device_config(DEV_SCLP, "vc:80Cx24C");
4248 }
4249 }
4250
4251 #if defined(CONFIG_VNC)
4252 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4253 display_remote++;
4254 }
4255 #endif
4256 if (display_type == DT_DEFAULT && !display_remote) {
4257 #if defined(CONFIG_GTK)
4258 display_type = DT_GTK;
4259 #elif defined(CONFIG_SDL)
4260 display_type = DT_SDL;
4261 #elif defined(CONFIG_COCOA)
4262 display_type = DT_COCOA;
4263 #elif defined(CONFIG_VNC)
4264 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4265 #else
4266 display_type = DT_NONE;
4267 #endif
4268 }
4269
4270 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4271 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4272 "for SDL, ignoring option");
4273 }
4274 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4275 error_report("-no-quit is only valid for GTK and SDL, "
4276 "ignoring option");
4277 }
4278
4279 if (display_type == DT_GTK) {
4280 early_gtk_display_init(request_opengl);
4281 }
4282
4283 if (display_type == DT_SDL) {
4284 sdl_display_early_init(request_opengl);
4285 }
4286
4287 if (request_opengl == 1 && display_opengl == 0) {
4288 #if defined(CONFIG_OPENGL)
4289 error_report("OpenGL is not supported by the display");
4290 #else
4291 error_report("OpenGL support is disabled");
4292 #endif
4293 exit(1);
4294 }
4295
4296 page_size_init();
4297 socket_init();
4298
4299 if (qemu_opts_foreach(qemu_find_opts("object"),
4300 user_creatable_add_opts_foreach,
4301 object_create_initial, NULL)) {
4302 exit(1);
4303 }
4304
4305 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4306 chardev_init_func, NULL, NULL)) {
4307 exit(1);
4308 }
4309
4310 #ifdef CONFIG_VIRTFS
4311 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4312 fsdev_init_func, NULL, NULL)) {
4313 exit(1);
4314 }
4315 #endif
4316
4317 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4318 error_report("could not acquire pid file: %s", strerror(errno));
4319 exit(1);
4320 }
4321
4322 if (qemu_opts_foreach(qemu_find_opts("device"),
4323 device_help_func, NULL, NULL)) {
4324 exit(0);
4325 }
4326
4327 machine_opts = qemu_get_machine_opts();
4328 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4329 NULL)) {
4330 object_unref(OBJECT(current_machine));
4331 exit(1);
4332 }
4333
4334 configure_accelerator(current_machine);
4335
4336 if (qtest_chrdev) {
4337 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4338 }
4339
4340 machine_opts = qemu_get_machine_opts();
4341 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4342 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4343 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4344 bios_name = qemu_opt_get(machine_opts, "firmware");
4345
4346 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4347 if (opts) {
4348 boot_order = qemu_opt_get(opts, "order");
4349 if (boot_order) {
4350 validate_bootdevices(boot_order, &error_fatal);
4351 }
4352
4353 boot_once = qemu_opt_get(opts, "once");
4354 if (boot_once) {
4355 validate_bootdevices(boot_once, &error_fatal);
4356 }
4357
4358 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4359 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4360 }
4361
4362 if (!boot_order) {
4363 boot_order = machine_class->default_boot_order;
4364 }
4365
4366 if (!kernel_cmdline) {
4367 kernel_cmdline = "";
4368 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4369 }
4370
4371 linux_boot = (kernel_filename != NULL);
4372
4373 if (!linux_boot && *kernel_cmdline != '\0') {
4374 error_report("-append only allowed with -kernel option");
4375 exit(1);
4376 }
4377
4378 if (!linux_boot && initrd_filename != NULL) {
4379 error_report("-initrd only allowed with -kernel option");
4380 exit(1);
4381 }
4382
4383 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4384 error_report("-dtb only allowed with -kernel option");
4385 exit(1);
4386 }
4387
4388 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4389 /* fall back to the -kernel/-append */
4390 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4391 }
4392
4393 os_set_line_buffering();
4394
4395 /* spice needs the timers to be initialized by this point */
4396 qemu_spice_init();
4397
4398 cpu_ticks_init();
4399 if (icount_opts) {
4400 if (kvm_enabled() || xen_enabled()) {
4401 error_report("-icount is not allowed with kvm or xen");
4402 exit(1);
4403 }
4404 configure_icount(icount_opts, &error_abort);
4405 qemu_opts_del(icount_opts);
4406 }
4407
4408 if (default_net) {
4409 QemuOptsList *net = qemu_find_opts("net");
4410 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4411 #ifdef CONFIG_SLIRP
4412 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4413 #endif
4414 }
4415
4416 if (net_init_clients() < 0) {
4417 exit(1);
4418 }
4419
4420 if (qemu_opts_foreach(qemu_find_opts("object"),
4421 user_creatable_add_opts_foreach,
4422 object_create_delayed, NULL)) {
4423 exit(1);
4424 }
4425
4426 #ifdef CONFIG_TPM
4427 if (tpm_init() < 0) {
4428 exit(1);
4429 }
4430 #endif
4431
4432 /* init the bluetooth world */
4433 if (foreach_device_config(DEV_BT, bt_parse))
4434 exit(1);
4435
4436 if (!xen_enabled()) {
4437 /* On 32-bit hosts, QEMU is limited by virtual address space */
4438 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4439 error_report("at most 2047 MB RAM can be simulated");
4440 exit(1);
4441 }
4442 }
4443
4444 blk_mig_init();
4445 ram_mig_init();
4446
4447 /* If the currently selected machine wishes to override the units-per-bus
4448 * property of its default HBA interface type, do so now. */
4449 if (machine_class->units_per_default_bus) {
4450 override_max_devs(machine_class->block_default_type,
4451 machine_class->units_per_default_bus);
4452 }
4453
4454 /* open the virtual block devices */
4455 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4456 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4457 NULL, NULL);
4458 }
4459 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4460 &machine_class->block_default_type, NULL)) {
4461 exit(1);
4462 }
4463
4464 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4465 CDROM_OPTS);
4466 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4467 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4468
4469 parse_numa_opts(machine_class);
4470
4471 if (qemu_opts_foreach(qemu_find_opts("mon"),
4472 mon_init_func, NULL, NULL)) {
4473 exit(1);
4474 }
4475
4476 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4479 exit(1);
4480 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4483 exit(1);
4484 }
4485 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4486 exit(1);
4487
4488 /* If no default VGA is requested, the default is "none". */
4489 if (default_vga) {
4490 if (machine_class->default_display) {
4491 vga_model = machine_class->default_display;
4492 } else if (vga_interface_available(VGA_CIRRUS)) {
4493 vga_model = "cirrus";
4494 } else if (vga_interface_available(VGA_STD)) {
4495 vga_model = "std";
4496 }
4497 }
4498 if (vga_model) {
4499 select_vgahw(vga_model);
4500 }
4501
4502 if (watchdog) {
4503 i = select_watchdog(watchdog);
4504 if (i > 0)
4505 exit (i == 1 ? 1 : 0);
4506 }
4507
4508 machine_register_compat_props(current_machine);
4509
4510 qemu_opts_foreach(qemu_find_opts("global"),
4511 global_init_func, NULL, NULL);
4512
4513 /* This checkpoint is required by replay to separate prior clock
4514 reading from the other reads, because timer polling functions query
4515 clock values from the log. */
4516 replay_checkpoint(CHECKPOINT_INIT);
4517 qdev_machine_init();
4518
4519 current_machine->ram_size = ram_size;
4520 current_machine->maxram_size = maxram_size;
4521 current_machine->ram_slots = ram_slots;
4522 current_machine->boot_order = boot_order;
4523 current_machine->cpu_model = cpu_model;
4524
4525 machine_class->init(current_machine);
4526
4527 realtime_init();
4528
4529 audio_init();
4530
4531 cpu_synchronize_all_post_init();
4532
4533 numa_post_machine_init();
4534
4535 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4536 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4537 exit(1);
4538 }
4539
4540 /* init USB devices */
4541 if (machine_usb(current_machine)) {
4542 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4543 exit(1);
4544 }
4545
4546 /* Check if IGD GFX passthrough. */
4547 igd_gfx_passthru();
4548
4549 /* init generic devices */
4550 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4551 if (qemu_opts_foreach(qemu_find_opts("device"),
4552 device_init_func, NULL, NULL)) {
4553 exit(1);
4554 }
4555 rom_reset_order_override();
4556
4557 /* Did we create any drives that we failed to create a device for? */
4558 drive_check_orphaned();
4559
4560 /* Don't warn about the default network setup that you get if
4561 * no command line -net or -netdev options are specified. There
4562 * are two cases that we would otherwise complain about:
4563 * (1) board doesn't support a NIC but the implicit "-net nic"
4564 * requested one
4565 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4566 * sets up a nic that isn't connected to anything.
4567 */
4568 if (!default_net) {
4569 net_check_clients();
4570 }
4571
4572
4573 if (boot_once) {
4574 qemu_boot_set(boot_once, &error_fatal);
4575 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4576 }
4577
4578 ds = init_displaystate();
4579
4580 /* init local displays */
4581 switch (display_type) {
4582 case DT_CURSES:
4583 curses_display_init(ds, full_screen);
4584 break;
4585 case DT_SDL:
4586 sdl_display_init(ds, full_screen, no_frame);
4587 break;
4588 case DT_COCOA:
4589 cocoa_display_init(ds, full_screen);
4590 break;
4591 case DT_GTK:
4592 gtk_display_init(ds, full_screen, grab_on_hover);
4593 break;
4594 default:
4595 break;
4596 }
4597
4598 /* must be after terminal init, SDL library changes signal handlers */
4599 os_setup_signal_handling();
4600
4601 /* init remote displays */
4602 #ifdef CONFIG_VNC
4603 qemu_opts_foreach(qemu_find_opts("vnc"),
4604 vnc_init_func, NULL, NULL);
4605 #endif
4606
4607 if (using_spice) {
4608 qemu_spice_display_init();
4609 }
4610
4611 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4612 exit(1);
4613 }
4614
4615 qdev_machine_creation_done();
4616
4617 /* TODO: once all bus devices are qdevified, this should be done
4618 * when bus is created by qdev.c */
4619 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4620 qemu_run_machine_init_done_notifiers();
4621
4622 if (rom_check_and_register_reset() != 0) {
4623 error_report("rom check and register reset failed");
4624 exit(1);
4625 }
4626
4627 replay_start();
4628
4629 /* This checkpoint is required by replay to separate prior clock
4630 reading from the other reads, because timer polling functions query
4631 clock values from the log. */
4632 replay_checkpoint(CHECKPOINT_RESET);
4633 qemu_system_reset(VMRESET_SILENT);
4634 register_global_state();
4635 if (loadvm) {
4636 if (load_vmstate(loadvm) < 0) {
4637 autostart = 0;
4638 }
4639 }
4640
4641 qdev_prop_check_globals();
4642 if (vmstate_dump_file) {
4643 /* dump and exit */
4644 dump_vmstate_json_to_file(vmstate_dump_file);
4645 return 0;
4646 }
4647
4648 if (incoming) {
4649 Error *local_err = NULL;
4650 qemu_start_incoming_migration(incoming, &local_err);
4651 if (local_err) {
4652 error_reportf_err(local_err, "-incoming %s: ", incoming);
4653 exit(1);
4654 }
4655 } else if (autostart) {
4656 vm_start();
4657 }
4658
4659 os_setup_post();
4660
4661 trace_init_vcpu_events();
4662 main_loop();
4663 replay_disable_events();
4664 iothread_stop_all();
4665
4666 bdrv_close_all();
4667 pause_all_vcpus();
4668 res_free();
4669
4670 /* vhost-user must be cleaned up before chardevs. */
4671 net_cleanup();
4672 audio_cleanup();
4673 monitor_cleanup();
4674 qemu_chr_cleanup();
4675
4676 return 0;
4677 }
AR7 emulation for QEMU